| blob | 2d8c8ea24061d6d77a4ecf185eb0e026fe769784 |
1 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3 PR target/27266
4 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5 ix86_compare_emitted is non-NULL.
7 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9 PR c++/27451
10 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11 clobbers.
13 2006-05-22 Richard Sandiford <richard@codesourcery.com>
15 PR rtl-optimization/25514
16 * combine.c (replaced_rhs_insn): New variable.
17 (combine_instructions): Set replaced_rhs_insn when trying to replace
18 a SET_SRC with a REG_EQUAL note.
19 (distribute_notes): Use replaced_rhs_insn when determining the live
20 range of a REG_DEAD register.
22 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
23 Anatoly Sokolov <aesok@post.ru>
25 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
26 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
27 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
28 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
29 atmega3290, atmega649, atmega6490, atmega406, atmega640,
30 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
31 at90usb647, at90usb1286 and at90usb1287 devices.
32 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
33 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
35 2006-05-22 Richard Sandiford <richard@codesourcery.com>
37 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
39 2006-05-22 Richard Guenther <rguenther@suse.de>
41 Revert
42 2006-01-31 Richard Guenther <rguenther@suse.de>
43 Paolo Bonzini <bonzini@gnu.org>
45 * doc/install.texi (--disable-libgcc-math): Document.
47 2006-05-22 Richard Guenther <rguenther@suse.de>
49 Revert
50 2006-01-31 Richard Guenther <rguenther@suse.de>
52 * doc/invoke.texi (-msselibm): Document.
53 * target.h (expand_library_builtin): New target hook.
54 * builtins.c (expand_builtin): Use expand_library_builtin.
55 (default_expand_library_builtin): New function.
56 * gcc.c (LINK_GCC_MATH_SPEC): Define.
57 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
58 (link_gcc_math_spec): Declare.
59 (static_specs): Add link_gcc_math_spec.
60 * expr.h (default_expand_library_builtin): Declare.
61 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
62 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
63 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
64 * config/i386/i386.opt (msselibm): New target option.
65 * config/i386/i386.c (ix86_builtin_function_variants): New array.
66 (ix86_init_sse_abi_builtins): New function.
67 (ix86_expand_library_builtin): Likewise.
68 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
69 (override_options): Handle error conditions wrt -msselibm.
70 (ix86_builtins): Add function codes for SSE2 ABI builtins.
71 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
72 * doc/extend.texi (__builtin_sse2_*): Document new target specific
73 builtins.
75 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
77 PR c/27420
78 * c-common.c (self_promoting_args_p): Skip erroneous args.
80 PR c/26818
81 * c-decl.c (finish_struct): Skip erroneous fields.
83 2006-05-22 Nick Clifton <nickc@redhat.com>
85 * config/cris/cris.opt (march): Remove VarExists attribute.
86 (max-stackframe=): Likewise.
88 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
90 * doc/rtl.texi: Fix a typo.
91 * see.c: Fix comment typos.
93 * tree-ssa-structalias.h (alias_info): Remove num_references.
95 2006-05-21 Mike Stump <mrs@apple.com>
97 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
98 (BAD2): Add.
99 (darwin_pragma_options): Use BAD instead.
100 (darwin_pragma_unused): Likewise.
101 (darwin_pragma_ms_struct): Likewise.
103 2006-05-21 David Edelsohn <edelsohn@gnu.org>
105 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
107 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
109 PR rtl-optimization/27671
110 * simplify-rtx.c (simplify_relational_operation_1): Fix
111 simplifications of (eq/ne (xor x y) y) and
112 (eq/ne (xor x y) x).
114 PR tree-optimization/26622.
115 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
116 on arg1.
118 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
120 * tree-cfg.c: Prune whitespace.
121 (debug_tree_cfg): Point to correct header containing the
122 TDF_* defines.
124 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
126 PR middle-end/25776
127 * cgraphunit.c (verify_cgraph_node): Typo in error message.
129 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
131 PR middle-end/25776
132 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
133 or sorry count is non zero.
135 2006-05-20 Andreas Schwab <schwab@suse.de>
137 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
139 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
140 Kenneth Zadeck <zadeck@naturalbridge.com>
142 PR rtl-optimization/26855
144 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
145 multiword refs.
146 (df_scan_alloc): Added code to properly handle multiword hard
147 registers and add all_blocks parameter.
148 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
149 code to properly handle multiword hard registers.
150 (df_rescan_blocks): Added code to remove deleted blocks from
151 bitmap.
152 (df_ref_create_structure, df_ref_record): Added code to properly
153 handle subregs.
154 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
155 and set DF_REF_PARTIAL.
156 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
157 (df_uses_record): Added DF_REF_PARTIAL for subreg.
158 (df_scan_add_problem): Added flags parameter.
159 (df_ref_create_structure): Changed switching structure.
160 (df_bb_refs_record): Fixed case where duplicate artificial refs
161 were created. Changed location of flags.
162 (df_record_entry_block_defs): Added code to make stack pointer
163 live in entry block. Refined cases where frame pointer is needed.
164 Changed location of flags.
165 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
166 (df_set_state): Removed function.
167 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
168 df_insn_create_insn_record, df_insn_refs_delete,
169 df_ref_create_structure): Formatting changes.
170 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
171 df_delete_basic_block): New function.
172 (df_init): Changed location of flags.
173 (df_add_problem): Added flags parameter and the way flags are
174 processed.
175 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
176 debug_df_chain): Improved debugging output.
177 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
178 (df_refs_chain_dump): Removed df parameter.
179 (df_iterative_dataflow): Added consistency check.
180 (df_prune_to_subcfg): Made public.
181 (df_analyze_problem): Added blocks_to_init parameter and made
182 public.
183 (df_ref_record, df_bb_refs_record, df_mark_reg,
184 df_record_exit_block_uses): Whitespace changes.
185 (df_dump): Whitespace changes.
186 * df.h: Some reordering to remove forward references.
187 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
188 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
189 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
190 (dataflow.flags): New field.
191 (df.flag): Deleted field.
192 (df_alloc_function): Added additional bitmap parameter.
193 (df_dependent_problem_function): New type.
194 (df_problem.changeable_flags): New field.
195 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
196 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
197 (df_mw_hardreg): New struct.
198 (DF_INSN_UID_MWS): New macro.
199 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
200 parameter.
201 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
202 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
203 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
204 (df_set_state): Removed function.
205 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
206 * df-problems.c (df_chain_dump): Removed df parameter.
207 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
208 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
209 parameter.
210 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
211 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
212 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
213 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
214 DF_REF_MUST_CLOBBER cases.
215 (df_ru_bb_local_compute_process_def,
216 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
217 df_lr_bb_local_compute, df_ur_bb_local_compute,
218 df_chain_create_bb): Made subreg aware.
219 (df_ru_bb_local_compute, df_rd_bb_local_compute,
220 df_lr_bb_local_compute, df_lr_bb_local_compute,
221 df_chain_create_bb): Cleanup to use proper macros.
222 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
223 code to fixup bitvectors.
224 (df_ri_alloc): Cleared lifetime.
225 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
226 df_create_unused_note): New function.
227 (df_ri_bb_compute, df_ri_compute): Added code to create/update
228 REG_DEAD and REG_UNUSED notes as well as register information.
229 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
230 df_chains_dump): Fixed crash if problem was never run.
231 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
232 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
233 df_ri_add_problem): Processes flags in uniform manner.
234 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
235 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
236 df_rd_dump, df_urec_free_bb_info): Formatting changes.
237 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
238 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
239 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
240 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
241 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
242 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
243 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
244 * see.c (see_initialize_data): Ditto.
245 * final.c (rest_of_clean_state) Added regstack_completed.
246 * rtl.h (regstack_completed): Ditto.
247 * reg-stack.c (regstack_completed): Ditto.
249 2006-05-19 Mike Stump <mrs@apple.com>
251 * c-tree.h (default_conversion): Remove.
252 * c-common.h (default_conversion): Add.
254 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
256 * tree-vrp.c (valid_value_p): New function.
257 (adjust_range_with_scev): Fail if the value of bound is not
258 simple.
260 2006-05-19 Richard Sandiford <richard@codesourcery.com>
262 * config/mips/linux-unwind.h: Include <asm/unistd.h>
263 (mips_fallback_frame_state): Use syscall numbers to determine
264 the appropriate li instruction for the current ABI. Only use
265 __NR_sigreturn for o32.
267 2006-05-19 Nicolas Setton <setton@adacore.com>
269 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
270 * langhooks.c (lhd_dwarf_name): New function.
271 * langhooks-def.h (lhd_dwarf_name): Declare.
272 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
273 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
274 * ada/misc.c (gnat_dwarf_name): New function.
275 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
277 2006-05-19 Richard Sandiford <richard@codesourcery.com>
279 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
280 libgcc2.h.
281 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
282 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
283 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
284 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
285 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
286 determine the size of Wtype, etc.
287 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
288 (swfloatfuncs): New variable.
289 (dwfloatfuncs): Likewise.
290 (lib2funcs): Remove floating-point conversion functions from
291 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
292 the set of conversion routines needed. Allow entries to specify
293 an object name, filename and word size. Update users accordingly.
294 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
295 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
297 Revert:
299 2006-02-08 Roger Sayle <roger@eyesopen.com>
301 PR target/22209
302 * config/fixtfdi.c: New libgcc source file.
303 * config/fixunstfdi.c: New source file.
304 * config/floatditf.c: New source file.
305 * config/floatunditf.c: New souce file.
306 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
307 files above instead of config/mips/_tilib.c.
308 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
310 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
312 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
313 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
315 2006-05-18 Mike Stump <mrs@apple.com>
317 Fix up vla, vm and [*] sematics.
319 PR c/18740
320 PR c/7948
321 PR c/25802
322 PR c/27673
323 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
324 (c_vla_unspec_p): Add.
325 (c_vla_type_p): Add.
326 * c-decl.c (struct c_scope): Add had_vla_unspec.
327 (build_array_declarator): Add support for [*].
328 (grokdeclarator): Likewise.
329 (grokparms): Likewise.
330 (get_parm_info): Likewise.
331 * c-objc-common.c (c_vla_unspec_p): Likewise.
332 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
333 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
334 typeof when argument is a variably modified type not inside sizeof or alignof.
335 (c_parser_direct_declarator_inner): Propagate errors.
336 (c_parser_sizeof_expression): Add support for [*].
337 (c_parser_parms_declarator): Initialize had_vla_unspec.
338 (c_parser_parms_list_declarator): Likewise.
339 * c-typeck.c (c_vla_type_p): Add.
340 (composite_type): Add support for vla compositing.
341 (comptypes_internal): Add support for vla compatibility.
342 (c_expr_sizeof_expr): Evaluate vla arguments.
343 * tree.c (variably_modified_type_p): Update comment for [*].
345 2006-05-18 Michael Matz <matz@suse.de>
347 PR target/27599
348 * config.host: Make assignments to host_xmake_file cumulative.
349 * config.host (*-darwin*): Test $host, not $target.
351 2006-05-12 Stuart Hastings <stuart@apple.com>
353 * config/i386/i386.opt (-mstackrealign): New flag.
354 * config/i386/i386.c (force_align_arg_pointer): New attribute.
355 (ix86_handle_cconv_attribute): Emit error when
356 force_align_arg_pointer attribute collides with too many regparms.
357 (ix86_function_regparm): Limit regparms when used with
358 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
359 Support stack-realigning prologue in non-main functions. Emit
360 warning for nested functions under -mstackrealign, emit error for
361 nested functions with force_align_arg_pointer attribute.
362 * doc/extend.texi (force_align_arg_pointer): Document it.
363 * doc/invoke.texi (-mstackrealign): Document it.
365 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
367 PR rtl-optimization/27477
368 * combine.c (try_combine): Don't split a parallel consisting
369 of two sets into two individual sets if both sets reference
370 cc0.
372 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
374 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
375 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
377 * doc/options.texi (VarExists): Updated.
379 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
381 * unwind-dw2.c: Add declarations for uw_update_context and
382 uw_frame_state_for.
383 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
384 detected, advance frame state and context once to skip over stub.
386 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
388 PR middle-end/20256
389 PR middle-end/26435
390 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
391 Call rewrite_into_loop_closed_ssa only when something changed.
392 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
393 * lambda-code.c (can_convert_to_perfect_nest): Declared.
394 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
395 Test for perfect_nest_p here. Fix formating.
396 (replace_uses_equiv_to_x_with_y): Fix formating.
397 (stmt_uses_op): Removed.
398 (can_convert_to_perfect_nest): Removed loopivs parameter.
399 Complete the test by checking the scalar dependences.
400 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
401 Fix formating.
403 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
405 PR bootstrap/22541
406 From Dan Kegel <dank@kegel.com>:
407 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
409 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
411 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
412 if the element type is variably modified without recursing.
414 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
416 PR middle-end/27332
417 * tree-loop-linear.c (try_interchange_loops): Test for
418 no data dependences.
420 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
422 PR tree-optimization/27548
423 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
424 range of ssa names that appear on abnormal edges.
425 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
426 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
428 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
430 PR middle-end/27620
431 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
433 2006-05-17 Jakub Jelinek <jakub@redhat.com>
435 PR middle-end/27415
436 * tree.h (OMP_PARALLEL_COMBINED): Define.
437 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
438 (new_omp_context): Add is_combined_parallel argument.
439 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
440 new_omp_context caller.
441 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
442 Adjust gimplify_scan_omp_clauses callers.
443 (omp_is_private): Issue errors if iteration variable is firstprivate
444 or reduction in the current context.
445 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
446 on combined parallel workshare constructs.
448 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
450 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
451 (gcc-options.o): New rule.
453 * optc-gen.awk: Protect variables for gcc-options.o with
454 #ifdef GCC_DRIVER/#endif.
456 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
458 Fix PR tree-optimization/27373
459 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
460 (forward_propagate_addr_expr): Update call.
462 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
464 * doc/options.texi: Move the Negative option.
466 2006-05-16 Richard Guenther <rguenther@suse.de>
468 PR tree-optimization/22303
469 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
470 from STRING_CSTs.
471 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
472 ccp_fold did not simplify the statement.
474 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
476 PR driver/26885
477 * Makefile.in (GCC_OBJS): New.
478 (OBJS-common): Add opts-common.o.
479 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
480 (cpp$(exeext)): Likewise.
481 (gcc.o): Also depend on opts.h.
482 (opts-common.o): New.
484 * common.opt (gcoff): Add Negative(gdwarf-2).
485 (gdwarf-2): Add Negative(gstabs).
486 (gstabs): Add Negative(gstabs+).
487 (gstabs+): Add Negative(gvms).
488 (gvms): Add Negative(gxcoff).
489 (gxcoff): Add Negative(gxcoff+).
490 (gxcoff+): Add Negative(gcoff).
491 * config/i386/i386.opt (m32): Add Negative(m64).
492 (m64): Add Negative(m32).
494 * doc/options.texi: Document the Negative option.
496 * gcc.c: Include "opts.h".
497 (main): Call prune_options after expandargv.
499 * optc-gen.awk: Generate common declarations for all flag
500 variables in options.c. Output the neg_index field.
502 * opts.c (find_opt): Moved to ...
503 * opts-common.c: Here. New file.
505 * opts.h (cl_option): Add a neg_index field.
506 (find_opt): New.
507 (prune_options): Likewise.
509 2006-05-16 Jakub Jelinek <jakub@redhat.com>
511 PR middle-end/27573
512 * omp-low.c (expand_omp_parallel): Don't assert
513 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
514 instead search for it.
516 PR c/27499
517 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
518 is signed.
520 2006-05-16 Andreas Schwab <schwab@suse.de>
522 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
523 defmac.
525 2006-05-15 Roger Sayle <roger@eyesopen.com>
527 PR target/26600
528 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
529 integer constants other than zero are only legitimate on TARGET_64BIT.
530 <CONST_VECTOR> Only zero vectors are legitimate.
531 (ix86_cannot_force_const_mem): Integral and vector constants can
532 always be put in the constant pool.
534 2006-05-16 DJ Delorie <dj@redhat.com>
536 * crtstuff.c (__dso_handle): Set section from
537 TARGET_LBIGCC_SDATA_SECTION if defined.
538 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
539 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
541 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
543 PR target/27599
544 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
545 host_xmake_file.
547 2006-05-16 Ben Elliston <bje@au.ibm.com>
549 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
551 2006-05-15 Per Bothner <per@bothner.com>
553 * tree.c: (last_annotated_node): Use sources_locus typedef.
554 This permits bootstrapping with --enable-mapped-location.
556 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
558 PR tree-optimization/26830
559 * tree-into-ssa.c (struct ssa_name_info): Add age field.
560 (info_for_ssa_name, current_info_for_ssa_name_age,
561 blocks_to_update): New variables.
562 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
563 (clear_ssa_name_info, initialize_flags_in_bb,
564 mark_block_for_update): New functions.
565 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
566 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
567 prepare_def_site_for): Use mark_block_for_update.
568 (mark_def_interesting): Assert that the processed block is marked in
569 blocks_to_update. Do not take blocks argument.
570 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
571 argument.
572 (rewrite_update_init_block, rewrite_update_stmt): Only process
573 blocks with statements to rewrite.
574 (delete_update_ssa): Do not clear SSA_NAME_AUX.
575 (update_ssa): Initialize and free blocks_to_update. Do not
576 clear flags on statements. Do not use blocks bitmap.
577 * tree.h (SSA_NAME_AUX): Removed.
578 (struct tree_ssa_name): Removed aux field.
579 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
581 2006-05-15 Richard Guenther <rguenther@suse.de>
583 PR tree-optimization/27603
584 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
585 Do computations in original type.
587 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
589 * see.c: Code style changes such as redundant paranthesis,
590 redundant intialization of local variables etc.
591 (see_main): Declared now as static.
592 * doc/invoke.texi: Update that -fsee is not enabled by
593 default at -O3.
595 2006-05-15 Jakub Jelinek <jakub@redhat.com>
597 * omp-low.c (check_omp_nesting_restrictions): New function.
598 (scan_omp_1): Call it.
600 PR middle-end/27416
601 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
602 construct, return *VAR.
604 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
606 PR rtl-optimization/27406
607 * bt-load.c (migrate_btr_def): Skip the block having abnormal
608 edges.
610 2006-05-14 Roger Sayle <roger@eyesopen.com>
612 PR rtl-optimization/27538
613 * combine.c (expand_compound_operation): Call gen_lowpart
614 before calling simplify_shift_const.
616 2006-05-14 Roger Sayle <roger@eyesopen.com>
618 PR rtl-optimization/22563
619 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
620 a fixed width bitfield, always force the intermediates into psuedos.
622 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
624 PR 27501
625 * mkconfig.sh: Use operator = instead of == for test.
627 2006-05-13 Nick Clifton <nickc@redhat.com>
629 * dwarf2out.c (dbx_reg_number): Check return value from
630 LEAF_REG_REMAP and only use it if it is valid.
631 (multiple_reg_loc_descriptor): Likewise.
633 2006-05-13 Richard Guenther <rguenther@suse.de>
635 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
636 host_xmake_file.
638 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
640 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
641 information attached to non-INSNs such as NOTEs.
642 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
644 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
646 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
647 On contraint.
648 * config/s390/s390.md: Adjust comment describing On constraint.
650 2006-05-11 Jan Hubicka <jh@suse.cz>
652 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
653 to be output at -O0.
655 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
657 PR middle-end/27384
658 * fold-const.c (size_binop): Move sanity check for arguments to
659 the beginning of the function.
661 PR middle-end/27488
662 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
663 expression.
665 2006-05-11 Richard Guenther <rguenther@suse.de>
667 PR middle-end/27529
668 * fold-const.c (fold_unary): Handle intermediate conversion
669 to a pointer type like intermediate conversion to an integer
670 type in folding of (T1)(T2)var to var.
671 Match the code to the comment in the final conversion for
672 (T1)(T2)var to (T1)var regarding to type precision. Rather
673 than disallow T1 being of pointer type, assert that both T1
674 and var are of pointer type or not. Make sure not to fall
675 over the frontends lazyness wrt array to pointer decay though.
677 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
679 * arm.c (arm_struct_value_rtx): Delete.
680 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
681 (arm_init_cumulative_args): Always initialize nregs to zero.
683 2006-05-10 Richard Guenther <rguenther@suse.de>
685 PR tree-optimization/27532
686 * tree-object-size.c (plus_expr_object_size): Fix typo.
688 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
690 PR target/24949
691 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
692 ashrdi_const, ashrdi3): Use a scratch register.
694 2006-05-10 Richard Guenther <rguenther@suse.de>
696 PR tree-optimization/27302
697 * fold-const.c (operand_equal_p): For two comparisons,
698 try comparison of one comparison code swapped if that yields
699 the same code.
701 2006-05-10 Ben Elliston <bje@au.ibm.com>
703 * tree-pretty-print.c (pretty_print_string): No need to handle
704 '\0' as a special character.
706 * tree.h: Include "hashtab.h".
707 (iterative_hash_expr): Use hashval_t in its prototype.
708 * Makefile.in (TREE_H): Add $(HASHTAB_H).
710 2006-05-09 Steve Ellcey <sje@cup.hp.com>
712 PR bootstrap/26872
713 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
714 (hppa*64*-*-hpux11*): Ditto.
715 (hppa[12]*-*-hpux11*): Ditto.
717 2006-05-09 David Edelsohn <edelsohn@gnu.org>
719 PR target/26545
720 * config/rs6000/aix41.h (TARGET_64BIT): Define.
722 2006-05-09 Michael Matz <matz@suse.de>
724 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
725 host_extra_gcc_objs and host_xmake_file.
726 (<*-*-linux*>): Don't overwrite host_xmake_file.
727 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
728 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
729 (host_detect_local_cpu): Declare.
730 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
731 * config/i386/i386.c (override_options): Handle -mtune=native
732 as -mtune=generic.
733 * config/i386/x-i386: New file.
734 * config/i386/driver-i386.c: New file.
735 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
736 cpu-type "native".
738 2006-05-09 Dirk Mueller <dmueller@suse.de>
739 Richard Guenther <rguenther@suse.de>
741 PR middle-end/27498
742 * fold-const.c (fold_read_from_constant_string): Relax check
743 for matching types to matching modes.
745 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
747 PR rtl-optimization/27335
748 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
749 loops.
751 2006-05-08 Chao-ying Fu <fu@mips.com>
752 Richard Sandiford <richard@codesourcery.com>
754 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
755 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
756 * config/mips/mips.md (UNSPEC_SCC): New constant.
757 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
758 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
759 (mips_emit_compare): Use it.
760 (mips_expand_vcondv2sf): New function.
762 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
764 Fix PR tree-optimization/27093
765 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
766 renaming when they become not-used_alone.
768 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
770 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
771 relocation and relocation stubs.
773 2006-05-08 Eric Christopher <echristo@apple.com>
775 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
776 section for ppc.
778 2006-05-08 Jan Hubicka <jh@suse.cz>
780 PR middle-end/25962
781 * cgraphunit.c (decide_is_function_needed): When not optimizing even
782 unused static functions are needed.
784 2006-05-08 Roger Sayle <roger@eyesopen.com>
786 PR target/27158
787 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
788 of a reg_equiv_constant if the result is a legitimate constant.
790 2006-05-08 Uros Bizjak <uros@kss-loka.si>
792 PR target/27277
793 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
794 standard 80387 constants, raise the cost to prevent
795 compress_float_constant() to generate load from memory.
797 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
799 * config/arm/constraints.md (c): Fix a typo.
801 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
802 typos.
804 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
806 PR target/24879
807 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
808 inline function.
809 (_mm_mwait): Likewise.
811 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
812 "mwait".
813 (sse3_monitor): Make it 32bit only.
814 (sse3_monitor64): New. 64bit monitor.
816 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
818 PR target/27421
819 * config/i386/i386.c (classify_argument): Skip fields with invalid
820 types.
822 2006-05-07 Richard Guenther <rguenther@suse.de>
824 PR tree-optimization/27409
825 * tree-ssa-structalias.c (get_constraint_for_component_ref):
826 Do not try to find zero-sized subvars.
828 2006-05-07 Richard Guenther <rguenther@suse.de>
830 PR tree-optimization/27136
831 * tree-ssa-loop-niter.c (get_val_for): Correct function
832 comment, assert requirements.
833 (loop_niter_by_eval): Stop processing if the iterated
834 value did not simplify.
836 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
838 * opts.c (flag_see): remove its setting at -O3.
840 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
842 * genpeep.c (main): Make insn-peep.c depend on flags.h.
843 * arm/constraints.md: New file.
844 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
845 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
846 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
847 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
848 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
849 (EXTRA_MEMORY_CONSTRAINT): Likewise.
850 * arm.md: Include constraints.md.
851 (thumb_movsi_insn): Use satisfies_constraint_J.
852 (movhi, movqi): Use satisfies_constraint_I.
854 2006-04-29 Anatoly Sokolov <aesok@post.ru>
856 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
857 for atmeg a645 device.
859 2006-05-06 Richard Guenther <rguenther@suse.de>
861 PR tree-optimization/27151
862 * tree-vect-transform.c (vectorizable_condition): Punt on
863 values that have a different type than the condition.
865 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
867 PR/21391
868 * c-parser.c (c_parser_cast_expression): Only insert casts into
869 hash table if pointer.
870 * function.c (used_types_insert_helper): Rename from
871 used_types_insert.
872 (used_types_insert): Call used_types_insert_helper.
873 * function.h (used_types_insert): Accept only one argument.
875 2006-05-05 David Edelsohn <edesohn@gnu.org>
877 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
878 scratch with output modifier.
880 2006-05-04 David Edelsohn <edelsohn@gnu.org>
882 PR target/26481
883 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
884 with output modifier.
886 2006-05-04 Richard Sandiford <richard@codesourcery.com>
888 PR target/26765
889 * config/mips/mips.c (mips_symbolic_address_p): Return true
890 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
891 SYMBOL_GOTTPREL, and SYMBOL_TLS.
893 2006-05-04 Richard Guenther <rguenther@suse.de>
895 PR tree-optimization/14287
896 PR tree-optimization/14844
897 PR tree-optimization/19792
898 PR tree-optimization/21608
899 PR tree-optimization/27090
900 * tree-ssa-pre.c (try_combine_conversion): New function.
901 (compute_avail): After constructing the value-handle
902 expression, use try_combine_conversion to combine NOP_EXPRs
903 with previous value-handle expressions and use the result if it
904 is available.
906 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
908 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
910 2006-05-04 Jan Hubicka <jh@suse.cz>
912 PR middle-end/25962
913 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
915 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
917 * config/bfin/predicates.md (const01_rtx): Tell generator programs
918 that this only matches CONST_INTs. All users changed to VOIDmode
919 operands.
921 * config/bfin/bfin.c: Include "optabs.h".
922 (bfin_rtx_costs): Some costs for vector operations, to allow combine
923 to do more work.
924 (enum bfin_builtins): Add a number of fractional and vector builtins.
925 (bfin_init_builtins): Likewise.
926 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
927 (safe_vector_operand, bfin_expand_binop_builtin,
928 bfin_expand_unop_builtin): New functions.
929 (bfin_expand_builtin): Handle the new builtins.
930 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
931 __ADSPBLACKFIN__.
933 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
935 * see.c: New file.
936 * Makefile.in (OBJS-common): Add see.o.
937 (see.o): Add dependencies.
938 * common.opt (fsee): New flag for the see optimization was added.
939 * opts.c (flag_see): Initialized.
940 * passes.c (init_optimization_passes, pass_see): New pass.
941 * rtl.h (see_main): Declaration as extern.
942 * timevar.def (TV_SEE): New.
943 * tree-pass.h (pass_see): Declaration as extern.
944 * invoke.texi (-fsee): Document.
945 * recog.c (validate_simplify_insn): New function.
946 * recog.h (validate_simplify_insn): Declaration as extern.
947 * df-problems.c (df_chain_dump): Check for NULL.
949 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
950 Daniel Berlin <dberlin@dberlin.org>
952 * cfgrtl.c (insert_insn_bb_end_new): New function.
953 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
955 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
957 * df.h (struct web_entry): Moved from web.c.
958 (union_defs): Declaration as extern.
959 (unionfind_root): Likewise.
960 (unionfind_union): Likewise.
961 * web.c (struct web_entry): Moved to df.h.
962 (unionfind_root): Remove static declaration.
963 (unionfind_union): Likewise.
964 (union_defs): Likewise and generalize to use callback function.
965 (web_main): Update arguments for union_defs function call.
967 2006-05-04 Richard Guenther <rguenther@suse.de>
969 PR tree-optimization/26447
970 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
971 produce SSA_NAME copies before the store stmt to avoid
972 breaking exception handling.
974 2006-05-04 Jakub Jelinek <jakub@redhat.com>
976 PR middle-end/27388
977 * gimplify.c (omp_is_private): If var is shared in some outer context,
978 return false instead of true. Stop searching on parallel context
979 boundary.
981 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
983 PR java/8260
984 * coverage.c: Use get_gcov_unsigned_t() instead of
985 unsigned_type_node all over.
987 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
989 PR tree-optimization/27381
990 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
991 maintain the same immediate_use links.
992 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
993 node rather than segfaulting.
995 2006-05-03 Jakub Jelinek <jakub@redhat.com>
997 PR fortran/27395
998 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
999 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1000 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1002 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1004 Fix PR tree-optimization/26626
1005 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1006 always.
1007 * tree-ssa-operands.c (access_can_touch_variable): Allow
1008 typecasting through union pointers.
1010 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1012 PR c++/26943
1013 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1014 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1015 to find if var will be a global variable even in the nested context.
1016 (omp_copy_decl): Only check for global variable at the end, it might
1017 be overridden in outer contexts.
1018 (scan_sharing_clauses): For global variables don't create a field.
1019 (lower_rec_input_clauses): Do nothing for global shared variables.
1020 Emit a barrier at the end of ILIST if there were any decls in both
1021 firstprivate and lastprivate clauses.
1022 (lower_send_clauses): Do nothing for global variables except for
1023 COPYIN.
1025 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1027 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1028 of the correct signedness is returned.
1030 2006-05-02 Jeff Law <law@redhat.com>
1032 PR tree-optimization/27364
1033 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1034 multiply expressions.
1036 2006-05-02 Tom Tromey <tromey@redhat.com>
1038 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1040 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1042 PR target/27387
1043 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1044 -mthumb -fPIC are used.
1046 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1047 Joshua Kinard <kumba@gentoo.org>
1049 PR target/25871
1050 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1051 with 64-bit pointers.
1053 2006-05-02 Paul Brook <paul@codesourcery.com>
1055 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1056 and pool overlap.
1057 (create_fix_barrier): Check that a suitable barrier location is
1058 found.
1059 (arm_reorg): Include ftmp->address in allowable range of addresses.
1061 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1063 PR ada/27366
1064 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1065 on Cygwin.
1067 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1069 PR middle-end/27337
1070 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1071 around RESULT_DECL for result passed by reference.
1072 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1073 * omp-low.c (use_pointer_for_field): Don't look at
1074 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1075 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1076 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1077 time or var for passing by reference for
1078 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1079 TREE_ADDRESSABLE variables when passing by reference.
1081 * omp-low.c (dump_omp_region): Fix output formatting.
1083 PR middle-end/27328
1084 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1085 (expand_omp_parallel): Likewise.
1086 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1088 PR middle-end/27325
1089 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1090 on statement list containing also constructors and destructors.
1091 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1093 PR middle-end/27310
1094 * except.c (duplicate_eh_regions): Fix clearing of
1095 cfun->eh->region_array entries.
1097 2006-05-01 DJ Delorie <dj@redhat.com>
1099 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1100 build!=host.
1101 (gcc_cv_objdump): Likewise.
1102 * configure: Regenerated.
1104 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1106 PR target/27374
1107 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1108 templates for case 3 and 4.
1110 2006-05-01 DJ Delorie <dj@redhat.com>
1112 * vec.c: Include bconfig.h when appropriate.
1113 * Makefile.in (build/vec.o): Adjust dependencies.
1114 * mkconfig.sh: Make sure config.h isn't used for build machine
1115 compiles.
1117 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1119 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1120 variables.
1121 (mark_phi_for_rewrite): New function.
1122 (insert_phi_nodes_for, mark_use_interesting): Call
1123 mark_phi_for_rewrite.
1124 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1125 (update_ssa): Initialize and free phis_to_rewrite.
1127 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1129 PR rtl-optimization/27291
1130 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1131 folded to a constant.
1133 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1135 PR tree-optimization/27283
1136 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1137 not whole # of iteration descriptions.
1138 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1139 uses abnormal ssa name.
1140 (niter_for_single_dom_exit): Ditto.
1141 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1142 return just the number of iterations.
1144 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1146 PR tree-optimization/27144
1147 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1148 (record_estimate): Only record constant upper bound.
1149 (infer_loop_bounds_from_undefined): Call
1150 compute_estimated_nb_iterations just once.
1151 (proved_non_wrapping_p): Renamed to ...
1152 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1153 (convert_step_widening, scev_probably_wraps_p): Call
1154 n_of_executions_at_most instead of proved_non_wrapping_p.
1155 (substitute_in_loop_info): Do not replace values in bounds.
1156 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1157 comments.
1159 2006-05-01 Richard Henderson <rth@redhat.com>
1161 PR c/27358
1162 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1163 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1164 CPP_PRAGMA.
1166 2006-05-01 Roger Sayle <roger@eyesopen.com>
1168 * c-typeck.c (parser_build_binary_op): Don't call the function
1169 unsigned_conversion_warning to spot operand/result type overflow.
1170 (build_binary_op): Instead, call convert_and_check instead of
1171 convert to report the problem when the operands are promoted.
1172 * c-common.c (unsigned_conversion_warning): Make static.
1173 * c-common.h (unsigned_conversion_warning): Delete prototype.
1175 2006-05-01 Richard Guenther <rguenther@suse.de>
1177 PR tree-optimization/26726
1178 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1179 problem ...
1180 (find_interesting_uses_address): ... we work around here
1181 by folding INDIRECT_REFs in the substituted base.
1183 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1185 * omp-low.c (dump_omp_region): Add newlines.
1187 2006-04-30 Roger Sayle <roger@eyesopen.com>
1189 * common.opt (Woverflow): New command line option.
1190 * c-common.c (constant_expression_warning): Check warn_overflow.
1191 (overflow_waring): Pass OPT_Woverflow to warning.
1192 (unsigned_conversion_warning): Likewise.
1193 (convert_and_check): Likewise.
1194 * doc/invoke.texi: Document new command line option.
1196 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1198 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1199 TARGET_NO_FP_IN_TOC for section anchors.
1200 (optimization_options): Enable section anchors for all
1201 non-"Objective" languages.
1203 2006-04-28 Eric Christopher <echristo@apple.com>
1205 * config/darwin-c.c (darwin_ms_struct): Move this
1206 (darwin_set_default_type_attributes): and this...
1207 * config/darwin.c: ... here.
1208 * config/darwin.h (darwin_ms_struct): Declare.
1210 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1212 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1214 2006-04-28 Roger Sayle <roger@eyesopen.com>
1216 PR c/25309
1217 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1218 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1219 an unsigned HOST_WIDE_INT.
1220 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1221 array index.
1222 (really_start_incremental_init): No need to call convert because
1223 bitsize_zero_node is already of type bitsizetype.
1224 (push_init_level): Extract the value of constructor_index as an
1225 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1226 (process_init_element): Likewise.
1228 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1230 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1231 value before passing to make_relative_prefix.
1233 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1235 PR middle-end/27260
1236 * builtins.c (expand_builtin_memset): Expand val in original mode.
1238 2006-04-27 Eric Christopher <echristo@apple.com>
1240 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1241 with #ifndef/#endif.
1242 * config/darwin-c.c (darwin_ms_struct): New.
1243 (darwin_pragma_ms_struct): Ditto.
1244 (darwin_set_default_type_attributes): Ditto.
1245 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1246 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1247 Register ms_struct pragma.
1248 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1249 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1250 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1251 darwin_set_default_type_attributes if TARGET_MACHO.
1253 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1255 PR tree-optimization/26854
1256 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1257 * doc/tree-ssa.texi: Update immuse iterator documentation.
1258 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1259 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1260 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1261 first_safe_imm_use, next_safe_imm_use): Remove.
1262 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1263 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1264 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1265 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1266 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1267 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1268 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1269 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1270 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1271 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1272 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1273 (perfect_nestify): Use new iterator.
1274 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1275 iterator.
1276 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1277 (next_imm_name): New field in struct immediate_use_iterator_d.
1278 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1279 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1280 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1281 * tree-cfg.c (replace_uses_by): Use new iterator.
1282 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1283 * tree-ssa-operands.c (correct_use_link): Remove.
1284 (finalize_ssa_use_ops): No longer call correct_use_link.
1286 2006-04-27 Stuart Hastings <stuart@apple.com>
1288 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1289 * config/t-darwin (crt3.o): Use it.
1290 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1291 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1292 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1293 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1294 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1295 support.
1297 2006-04-27 Roger Sayle <roger@eyesopen.com>
1299 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1300 size, force the intermediate into a new pseudo rather instead of
1301 performing both a bitwise AND and a bitwise IOR in memory.
1303 2006-04-27 Richard Guenther <rguenther@suse.de>
1305 PR rtl-optimization/26685
1306 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1307 this one "max-flow-memory-locations".
1309 2006-04-27 Richard Guenther <rguenther@suse.de>
1311 PR tree-optimization/25148
1312 * tree-vrp.c (compare_values): Remove code dealing with
1313 comparisons against type min/max value. Honour overflow
1314 and negative constants in code dealing with comparisons
1315 of plus and minus expressions.
1316 (value_inside_range): Use fold_binary with LE_EXPR and
1317 GE_EXPR rather than compare_values.
1319 2006-04-27 Dirk Mueller <dmueller@suse.de>
1321 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1322 prototype for SSE.
1324 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1326 * basic-block.h (safe_insert_insn_on_edge): Removed.
1327 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1329 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1330 Paolo Bonzini <bonzini@gnu.org>
1332 PR middle-end/27282
1333 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1334 (simplify_and_const_int): Same.
1336 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1338 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1340 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1342 PR c/26171
1343 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1344 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1345 cgraph_global_info_ready.
1347 PR middle-end/26913
1348 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1350 PR c/25996
1351 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1352 either decl or init is error_mark_node.
1354 PR middle-end/25989
1355 * tree-flow.h (struct omp_region): Add sched_kind.
1356 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1357 instead of extracting omp for data.
1358 (expand_omp_for): Save extracted sched_kind.
1360 2006-04-25 Roger Sayle <roger@eyesopen.com>
1362 * expmed.c (store_bit_field): Also check whether the bitsize is
1363 valid for the machine's "insv" instruction before moving the
1364 target into a pseudo for use with the insv.
1365 * config/i386/predicates.md (const8_operand): New predicate.
1366 * config/i386/i386.md (extv, extzv, insv): Use the new
1367 const8_operand predicate where appropriate.
1369 2006-04-25 DJ Delorie <dj@redhat.com>
1371 * doc/install.texi (Specific): Clarify that this is not a list of
1372 supported hosts or targets.
1374 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1376 PR rtl-optimization/26725
1377 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1378 block's BB_DIRTY flag.
1380 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1382 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1383 are no branches.
1385 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1386 to print an integer.
1388 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1390 * varasm.c (align_variable): New function.
1391 (get_block_for_decl): Apply align_variable to DECL before
1392 calculating section information.
1393 (assemble_variable): Split out alignment computation.
1395 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1397 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1398 machines.
1400 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1402 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1403 MODE_PARTIAL_INT mode.
1404 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1405 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1406 for CONST_INTs.
1407 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1408 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1409 V2PDImode.
1410 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1411 New predicates.
1412 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1413 New constants.
1414 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1415 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1416 MACFLAG_IH): Likewise.
1417 (movstricthi_1): Renamed from "*movstricthi".
1418 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1419 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1420 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1421 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1422 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1423 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1424 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1425 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1426 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1427 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1428 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1429 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1430 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1431 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1432 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1434 * doc/rtl.texi (ss_ashift): Improve wording.
1436 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1438 * dwarf2out.c (verify_marks_clear): New.
1439 (prune_unused_types): Call verify_marks_clear initially, not
1440 prune_unmark_dies.
1442 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1444 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1445 * doc/rtl.texi: Document them.
1446 * simplify-rtx.c (simplify_unary_operation,
1447 simplify_binary_operation_1): Don't abort when we see them.
1449 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1451 Revert:
1452 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1453 * configure.ac: Completely disregard languages that are not
1454 enabled.
1455 * configure: Regenerated.
1457 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1458 Richard Guenther <rguenther@suse.de>
1460 PR tree-optimization/27236
1461 * tree-inline.c (copy_body_r): Make sure to copy
1462 TREE_THIS_VOLATILE flag.
1464 2006-04-24 Richard Guenther <rguenther@suse.de>
1466 PR middle-end/26869
1467 * tree-complex.c (update_parameter_components): Don't handle
1468 unused parameters which have no default def.
1470 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1471 Richard Guenther <rguenther@suse.de>
1473 PR tree-optimization/27218
1474 * tree-inline.c (expand_call_inline): Strip useless type
1475 conversions for the return slot address.
1477 2006-04-24 Richard Guenther <rguenther@suse.de>
1479 * cfgloop.h (struct loops): Remove unused field array. Reorder
1480 state after num.
1481 (LOOP_PREFETCH): Remove.
1483 2006-04-24 Richard Guenther <rguenther@suse.de>
1485 PR tree-optimization/22525
1486 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1487 variable, adjust types of generated expressions.
1489 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1491 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1492 (tree-vect-patterns.o): Likewise.
1493 (jump.o): Likewise.
1494 (cselib.o): Likewise.
1495 (loop-doloop.o): Likewise.
1496 (regclass.o): Likewise.
1497 (reload1.o): Likewise.
1498 (explow.o): Replace target.h with $(TARGET_H).
1499 (ipa-prop.o): Likewise.
1500 (ipa-cp.o): Likewise.
1501 (ipa-inline.o): Likewise.
1502 (reorg.o): Likewise.
1503 (reg-stack.o): Likewise.
1505 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1507 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1509 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1511 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1513 * configure.ac: Completely disregard languages that are not
1514 enabled.
1515 * configure: Regenerated.
1517 PR c++/26534
1518 * c-common.h (c_build_bitfield_integer_type): Declare.
1519 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1520 * c-common.c (c_build_bitfield_integer_type): ... here.
1522 2006-04-23 Roger Sayle <roger@eyesopen.com>
1524 PR target/21283
1525 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1526 a SImode SUBREG of a floating point register after no_new_pseudos.
1528 2006-04-23 Roger Sayle <roger@eyesopen.com>
1530 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1531 identify potentially eliminable registers to additionally catch
1532 VIRTUAL_INCOMING_ARGS_REGNUM.
1533 (addsi3): Update the conditions on when to use addsi_small_int.
1535 2006-04-23 Roger Sayle <roger@eyesopen.com>
1537 PR target/16641
1538 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1539 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1540 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1542 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1544 * fold-const.c (range_predecessor): Use operand_equal_p
1545 as the predicate for equality.
1546 (range_successor): Likewise.
1548 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1550 Revert:
1551 * config/soft-fp/op-common.h: Fix a typo.
1553 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1555 PR libmudflap/26864
1556 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1557 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1559 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1561 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1562 Fix comment typos.
1563 * doc/tm.texi: Fix a typo.
1565 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1567 * dwarf2out.c (struct die_struct): Document that die_sib makes
1568 a circular linked list.
1569 (FOR_EACH_CHILD): New.
1570 (reverse_die_lists): Delete.
1571 (reverse_all_dies): Delete.
1572 (add_dwarf_attr): Correct documentation.
1573 (remove_child_with_prev): New.
1574 (remove_child_TAG): Update for change to die_struct, use
1575 remove_child_with_prev.
1576 (add_child_die): Update for change to die_struct.
1577 (splice_child_die): Use remove_child_with_prev and add_child_die.
1578 (print_die): Use FOR_EACH_CHILD.
1579 (die_checksum): Likewise.
1580 (assign_symbol_names): Likewise.
1581 (output_location_lists): Likewise.
1582 (build_abbrev_table): Likewise.
1583 (calc_die_sizes): Likewise.
1584 (mark_dies): Likewise.
1585 (unmark_dies): Likewise.
1586 (unmark_all_dies): Likewise.
1587 (output_die): Likewise.
1588 (prune_unused_types_mark): Likewise.
1589 (prune_unused_types_walk): Likewise.
1590 (same_die_p): Update for change to die_struct.
1591 (break_out_includes): Likewise.
1592 (prune_unused_types_prune): Likewise.
1593 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1594 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1595 it's already clear.
1596 (dwarf2out_finish): Don't call reverse_all_dies.
1598 2006-04-21 Eric Christopher <echristo@apple.com>
1600 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1601 in comments and function names.
1603 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1605 PR c/25875
1606 * c-typeck.c (digest_init): Robustify.
1608 * c-typeck.c (pop_init_level): Simplify.
1610 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1612 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1614 2006-04-21 Paul Brook <paul@codesourcery.com>
1616 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1617 hardware floating point.
1619 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1621 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1622 NON_FLOAT_REGS.
1624 2006-04-21 Nick Clifton <nickc@redhat.com>
1626 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1627 OPT_EXTRA_PARTS.
1629 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1631 PR target/27230
1632 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1633 C++ lang type in traceback table for Objective-C++.
1635 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1637 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1639 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1641 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1643 PR mudflap/26789
1644 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1645 were errors. Remove check for erroneous objects.
1647 2006-04-20 Jeff Law <law@redhat.com>
1649 PR tree-optimization/26854
1650 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1651 checking for zero or one use.
1652 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1653 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1654 * tree-ssa-reassoc.c (negate_value): Similarly.
1655 (reassociate_bb): Similarly.
1657 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1659 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1660 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1661 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1663 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1665 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1666 fp regs if the last fp arg doesn't fit in regs.
1668 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1670 PR target/27182
1671 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1672 that the last insn has the REG_INC note.
1674 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1675 Nathan Sidwell <nathan@codesourcery.com>
1677 PR c/26774
1678 * stor-layout.c (update_alignment_for_field): Do not align
1679 ERROR_MARK nodes.
1680 (place_union_field): Place union field at the start of the union.
1681 (place_field): Move ERROR_MARK check later, and use the current
1682 allocation position to maintain monotonicity.
1684 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1686 * dominance.c: Include timevar.h.
1687 (calculate_dominance_info): Use TV_DOMINANCE.
1688 * timevar.def (TV_DOMINANCE): New timevar.
1689 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1691 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1693 PR rtl-optimization/14261
1694 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1695 move would be an INSV insn.
1696 (noce_process_if_block): Don't optimize if the destination is a
1697 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1699 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1701 * config/s390/s390.md: Add comments with the instructions emitted
1702 by an insn pattern if macros are used.
1704 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1706 PR rtl-optimization/26026
1707 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1708 is a known power of two shifted left a variable amount.
1710 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1712 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1713 to hash table twice when the debug_str section has SECTION_MERGE.
1715 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1717 * config/soft-fp: New directory. From glibc.
1718 * config/soft-fp/t-softfp: New.
1719 * config/soft-fp/README: New.
1720 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1721 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1722 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1723 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1724 * config.gcc: Use rs6000/t-fprules-fpbit or
1725 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1726 rs6000/t-fprules.
1727 * config/rs6000/sfp-machine.h: New. Based on glibc.
1728 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1729 New.
1730 * config/rs6000/t-fprules: Remove fp-bit rules.
1731 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1732 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1733 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1734 (softfp_wrap_start, softfp_wrap_end): New.
1736 2006-04-18 DJ Delorie <dj@redhat.com>
1738 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1740 2006-04-18 Devang Patel <dpatel@apple.com>
1742 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1744 2006-04-18 Nick Clifton <nickc@redhat.com>
1746 * config/sh/t-symbian: Add rule to build sh-c.o
1747 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1748 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1749 (sh_symbian_encode_section_info): Likewise.
1751 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1753 * builtins.c (expand_builtin_strcmp): Cover label definition of
1754 do_libcall with HAVE_cmpstrnsi.
1756 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1758 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1759 instead of VARRAY.
1760 * function.h (temp_slot_p): New.
1761 (function): Change the type of x_used_temp_slots to
1762 VEC(temp_slot_p,gc) *.
1764 2006-04-18 Nick Clifton <nickc@redhat.com>
1766 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1767 flag_strength_reduce.
1769 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1771 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1773 PR target/27117
1775 Partial revert of revision 112637
1776 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1777 Dale Johannesen <dalej@apple.com>
1779 PR target/19653
1780 * regclass.c (struct reg_pref): Update documentation.
1781 (regclass): Set prefclass to NO_REGS if memory is the best option.
1782 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1784 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1786 PR tree-optimization/26821
1787 * tree-ssa-math-opts.c (get_constant_one): New.
1788 (insert_reciprocals): Use it.
1790 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1792 * dwarf2out.c (free_AT): Delete.
1793 (remove_AT): Update string ref counts.
1794 (remove_child_TAG): Don't call free_die.
1795 (free_die): Delete.
1796 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1797 or DW_TAG_GNU_EINCL.
1798 (prune_unused_types_walk_attribs): Reset string refcounts.
1799 (prune_unused_types_update_strings): New.
1800 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1801 call free_die. Do call prune_unused_types_update_strings.
1802 (prune_unused_types): Empty debug_str_hash.
1804 2006-04-17 Roger Sayle <roger@eyesopen.com>
1806 * expr.c (expand_assignment): Optimize away no-op moves where the
1807 source and destination are equal and have no side-effects.
1809 2006-04-17 Richard Guenther <rguenther@suse.de>
1811 PR target/26826
1812 * reload.c (push_reload): Guard calls to get_secondary_mem
1813 for memory subregs.
1815 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1817 * alias.c (reg_base_value, old_reg_base_value): Change the
1818 type to VEC(rtx,gc) *.
1819 (REG_BASE_VALUE, find_base_value, record_set,
1820 init_alias_analysis): Use VEC instead of VARRAY.
1822 * alias.c (alias_sets): Change the type to
1823 VEC(alias_set_entry,gc) *.
1824 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1825 VEC instead of VARRAY.
1826 (last_alias_set): Remove.
1828 * cgraph.h (cgraph_edge_p): New.
1829 Update the prototype of cgraph_function_versioning.
1830 * cgraphunit.c (cgraph_copy_node_for_versioning,
1831 cgraph_function_versioning): Use VEC instead of VARRAY.
1832 * ipa-cp.c (ipcp_insert_stage): Likewise.
1834 2006-04-16 Roger Sayle <roger@eyesopen.com>
1836 PR target/26961
1837 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1838 "A op B" or "A op C", we may need to convert A to the type of B and C.
1840 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1842 * target.h (struct gcc_target): Add mode_rep_extended.
1843 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1844 (init_num_sign_bit_copies_in_rep): Initialize it using
1845 mode_rep_extended.
1846 (truncate_to_mode): Use it.
1847 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1848 * targhooks.h (default_mode_rep_extended): Declare it.
1849 * targhooks.c (default_mode_rep_extended): Define it.
1850 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1851 default_mode_rep_extended.
1852 (TARGET_INITIALIZER): Include it.
1853 * doc/tm.texi (Misc): Document it.
1854 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1855 (mips_truncated_to_mode): New function.
1857 2006-04-16 Roger Sayle <roger@eyesopen.com>
1859 PR middle-end/25474
1860 * expr.c (compress_float_constant): Copy the narrow constant into
1861 a new pseudo before extending it to its final width.
1863 2006-04-16 Roger Sayle <roger@eyesopen.com>
1864 Andrew Pinski <pinskia@gcc.gnu.org>
1865 Dale Johannesen <dalej@apple.com>
1867 PR target/24076
1868 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1869 special case code to implement V8HImode and V16QImode with SSE2.
1871 2006-04-15 Roger Sayle <roger@eyesopen.com>
1873 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1874 trees are constructed with a suitable tree type.
1876 2006-04-15 Roger Sayle <roger@eyesopen.com>
1878 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1879 (integer_onep): Likewise.
1880 (integer_all_onesp): Likewise.
1881 (integer_pow2p): Likewise.
1882 (integer_nonzerop): Likewise.
1883 (real_zerop): Likewise.
1884 (real_onep): Likewise.
1885 (real_twop): Likewise.
1886 (real_minus_onep): Likewise.
1887 (int_size_in_bytes): Likewise.
1888 (host_integerp): Likewise.
1890 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1892 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1893 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1894 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1896 * tree-ssa-structalias.h (alias_info): Remove num_references.
1898 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1900 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1901 (output_bvb patterns): Likewise.
1902 * pa.c (output_bb): Use 'bb' insn for long branch case.
1903 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1904 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1905 1. Correct length operand for alternatives 1 and 2.
1906 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1907 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1909 2006-04-14 Roger Sayle <roger@eyesopen.com>
1911 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1912 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1913 were accidentally reverted by r112959.
1915 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1917 PR middle-end/26823
1918 * except.h (eh_region_outermost): New prototype.
1919 * except.c (eh_region_outermost): New function.
1920 * tree-cfg.c (find_outermost_region_in_block): Use it.
1922 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1924 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1925 of VARRAY.
1926 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1927 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1928 (init_reload, reload): Use VEC instead of VARRAY.
1929 * reload.h: Update the prototype for
1930 reg_equiv_memory_loc_varray.
1932 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1933 Eric Botcazou <ebotcazou@libertysurf.fr>
1935 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1936 register save area.
1938 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1940 PR middle-end/27134
1941 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1942 to expand fallback builtin function call.
1944 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1946 PR middle-end/27095
1947 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1948 and emit libcall here in case the builtin fails.
1949 (expand_builtin_strcmp): Always emit the libcall here on failure.
1951 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1953 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1954 * flow.c (reg_n_info): Change the type to
1955 VEC(reg_info_p,heap) *.
1956 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1957 instead of VARRAY.
1958 * regs.h (reg_info_p): New.
1959 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1960 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1961 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1962 instead of VARRAY.
1964 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1966 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1967 defaulting to 100.
1968 * params.h (MAX_SCHED_READY_INSNS): New macro.
1969 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1970 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1971 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1972 the ready list for 1 cycle during the first scheduling pass.
1973 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1975 2006-04-13 Richard Henderson <rth@redhat.com>
1977 PR libgomp/26651
1978 * gimple-low.c (lower_omp_directive): Remove dead code.
1979 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1980 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1981 * omp-low.c (struct omp_region): Move to tree-flow.h.
1982 (root_omp_region): Export.
1983 (omp_regions, lookup_omp_region): Remove.
1984 (determine_parallel_type): Update for struct omp_region changes.
1985 (dump_omp_region): Dump regions with block numbers.
1986 (new_omp_region): Take type and block instead of stmt; malloc
1987 instead of ggc.
1988 (free_omp_region_1, free_omp_regions): New.
1989 (expand_parallel_call): Take entry_stmt as argument; update for
1990 changes to omp_region.
1991 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1992 (remove_exit_barriers): New.
1993 (expand_omp_parallel): Update for struct omp_region changes.
1994 (expand_omp_synch): Likewise.
1995 (expand_omp): Likewise.
1996 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1997 (expand_omp_for_static_chunk): Likewise.
1998 (expand_omp_for): Likewise.
1999 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2000 (expand_omp_sections): Similarly, with GOMP_sections_end.
2001 (expand_omp_single): New.
2002 (build_omp_regions_1): Update for OMP_CONTINUE.
2003 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2004 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2005 OMP_SECTIONS_SECTIONS.
2006 (lower_omp_single_simple): Don't emit barrier here.
2007 (lower_omp_single_copy): Likewise.
2008 (lower_omp_single): Fix bindings, and lower to straightline now.
2009 (lower_omp_master, lower_omp_ordered): Likewise.
2010 (lower_omp_critical): Likewise.
2011 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2012 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2013 omp edges, free it afterward.
2014 (make_omp_sections_edges): Remove.
2015 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2016 (move_stmt_r): Handle OMP_CONTINUE.
2017 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2018 statement pointers to basic blocks. Add type member.
2019 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2020 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2021 * tree-inline.c (estimate_num_insns_1): Likewise.
2022 * tree-pretty-print.c (dump_generic_node): Likewise.
2023 * tree-ssa-operands.c (get_expr_operands): Likewise.
2024 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2025 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2026 (OMP_CONTINUE): New.
2027 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2028 (OMP_SECTIONS_SECTIONS): Remove.
2029 (OMP_SECTION_LAST): New.
2030 (OMP_RETURN_NOWAIT): New.
2032 2006-04-13 Roger Sayle <roger@eyesopen.com>
2034 * fold-const.c (native_encode_vector, native_interpret_real):
2035 Correct obvious mistakes in the previous check-in.
2037 2006-04-13 Roger Sayle <roger@eyesopen.com>
2039 * fold-const.c (native_encode_expr): New function to encode
2040 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2041 or VECTOR_CST into a specified buffer.
2042 (native_encode_int): New function.
2043 (native_encode_real): New function.
2044 (native_encode_complex): New function.
2045 (native_encode_vector): New function.
2046 (native_interpret_expr): Inverse of native_encode_expr to convert
2047 a target representation into an INTEGER_CST, REAL_CST etc...
2048 (native_interpret_int): New function.
2049 (native_interpret_real): New function.
2050 (native_interpret_complex): New function.
2051 (native_interpret_vector): New function.
2052 (fold_view_convert_expr): New function to constant fold/evaluate
2053 a VIEW_CONVERT_EXPR of a suitable constant expression.
2054 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2055 Change call of build1 to fold_build1 when constructing a
2056 VIEW_CONVERT_EXPR.
2058 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2059 Ulrich Weigand <uweigand@de.ibm.com>
2061 PR target/27006
2062 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2063 to be even.
2065 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2067 PR target/26459
2068 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2069 optimize to lo_sum for DFmode if !TARGET_FPRS.
2071 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2073 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2074 delete_alias_info, compute_flow_sensitive_aliasing,
2075 group_aliases): Use VEC instead of VARRAY.
2076 * tree-ssa-structalias.c (update_alias_info): Likewise.
2077 * tree-ssa-structalias.h (alias_info): Change the type of
2078 processed_ptrs to VEC(tree,heap) *.
2080 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2082 PR target/27060
2083 * config/sh/lib1funcs.h: New file, broken out of:
2084 * config/sh/lib1funcs.asm.
2085 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2086 New macros.
2087 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2088 * config/sh/lib1funcs-Os-4-200.asm: New file.
2089 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2090 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2091 (EXTRA_MULTILIB_PARTS): Include it.
2092 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2093 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2094 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2095 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2096 TARGET_SH2.
2098 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2100 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2101 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2102 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2103 VARRAY.
2104 * tree-ssa-live.h: Include vecprim.h.
2105 (tree_partition_associator_d): Change the type of
2106 first_partition to VEC(int,heap) *.
2107 (tpa_first_partition): Use VEC instead of VARRAY.
2109 * Makefile.in (GTFILES): Move functions.h after tree.h.
2110 * function.c (reset_block_changes, record_block_change,
2111 check_block_change, free_block_changes): Use VEC instead of
2112 VARRAY.
2113 * function.h (function): Change the type of
2114 ib_boundaries_block to VEC(tree,gc) *.
2115 * tree-inline.c (copy_cfg_body): Initialize
2116 ib_boundaries_block to NULL instead of (varray_type) 0.
2118 2006-04-12 Roger Sayle <roger@eyesopen.com>
2120 * expr.c (emit_group_store): Correct operand order in call to
2121 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2122 a SUBREG_BYTE of zero.
2124 2006-04-12 Richard Guenther <rguenther@suse.de>
2126 * profile.c (compute_branch_probabilities): Remove code
2127 encapsulated in !ir_type (), which are remanents of the
2128 removed RTL profiling code.
2129 * rtl-profile.c: Remove.
2131 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2133 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2134 magic NULL_RTX comment.
2135 (function_arg): Store entire fp arg to mem if any part should go
2136 on stack.
2137 (rs6000_arg_partial_bytes): Adjust for above change.
2139 2006-04-11 Roger Sayle <roger@eyesopen.com>
2141 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2142 if it hasn't been initialized by dwarf2out_init.
2144 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2146 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2147 symbolic constants in branch patterns.
2149 2006-04-11 Roger Sayle <roger@eyesopen.com>
2151 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2153 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2155 PR rtl-optimization/27073
2156 * gcse.c (try_replace_reg): Revert last change. Continue to search
2157 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2158 on the former.
2160 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2162 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2163 aggregate types other than record and union types.
2164 (function_arg): Likewise.
2165 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2166 small arrays.
2167 (function_value): In 64-bit mode, return objects that require it
2168 in FP registers.
2170 2006-04-11 Roger Sayle <roger@eyesopen.com>
2172 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2174 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2176 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2178 2006-04-03 Jeff Law <law@redhat.com>
2180 PR/27087
2181 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2182 alias information too.
2184 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2186 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2188 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2190 PR/21391
2191 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2192 (premark_used_types_helper): New.
2193 (premark_used_types): New.
2194 (gen_subprogram_die): Call premark_used_types.
2195 (prune_unused_types_walk): Do not prune perennial dies.
2196 * function.c (used_types_insert): New.
2197 * function.h (struct function): Add used_types_hash field.
2198 (used_types_insert): Add prototype.
2199 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2200 * c-parser.c (c_parser_cast_expression): Save casted types in used
2201 types hash table.
2203 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2205 PR target/26459
2206 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2207 rs6000_explicit_options.float_gprs.
2209 2006-04-10 Roger Sayle <roger@eyesopen.com>
2211 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2212 from ix86_expand_vector_init_low_nonzero. Take an additional
2213 one_var argument indicating which element is non-zero. Support
2214 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2215 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2216 with one_var instead of ix86_expand_vector_init_low_nonzero.
2218 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2220 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2221 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2222 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2223 build/genextract.o): Depend on vecprim.h.
2224 * cfglayout.c, df-problems.c, function.c, genextract.c,
2225 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2226 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2227 vecprim.h.
2228 * vecprim.h: New.
2230 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2232 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2233 Declare VECs of this type.
2234 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2235 (remove_children): Delete.
2236 (add_dwarf_attr): Use VEC routines.
2237 (add_AT_flag): Update for changes to add_dwarf_attr.
2238 (add_AT_int): Likewise.
2239 (add_AT_unsigned): Likewise.
2240 (add_AT_long_long): Likewise.
2241 (add_AT_vec): Likewise.
2242 (add_AT_string): Likewise.
2243 (add_AT_die_ref): Likewise.
2244 (add_AT_fde_ref): Likewise.
2245 (add_AT_loc): Likewise.
2246 (add_AT_loc_list): Likewise.
2247 (add_AT_addr): Likewise.
2248 (add_AT_lbl_id): Likewise.
2249 (add_AT_lineptr): Likewise.
2250 (add_AT_macptr): Likewise.
2251 (add_AT_offset): Likewise.
2252 (add_AT_range_list): Likewise.
2253 (get_AT): Use VEC_iterate.
2254 (remove_AT): Use VEC_ordered_remove.
2255 (free_die): Fold remove_children into here; have it use VEC_iterate.
2256 (print_die): Use VEC_iterate on attrs.
2257 (reverse_die_lists): Don't reverse attr lists.
2258 (die_checksum): Use VEC_iterate on attrs.
2259 (same_die_p): Likewise.
2260 (output_location_lists): Likewise.
2261 (build_abbrev_table): Likewise.
2262 (size_of_die): Likewise.
2263 (unmark_all_dies): Likewise.
2264 (output_abbrev_section): Likewise.
2265 (output_die): Likewise.
2266 (prune_unused_types_walk_attribs): Likewise.
2268 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2270 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2272 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2274 PR debug/27057
2275 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2277 2006-04-09 Roger Sayle <roger@eyesopen.com>
2279 * expr.c (store_constructor): Don't bother clearing target if
2280 we're about to assign a vector to it using vec_init_optab.
2282 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2284 * tree-ssa-alias.c (lhs_may_store_to): New function.
2285 (recalculate_used_alone): Handle LHS of calls.
2287 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2289 PR target/27034
2290 PR target/26508
2291 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2292 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2293 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2294 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2295 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2296 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2297 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2298 stubs. Add ".align 8" directives before all ".dword" directives.
2299 (GTHREAD_USE_WEAK): Revise comment.
2300 (TARGET_ATTRIBUTE_WEAK): Define.
2301 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2302 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2303 * stublib.c: New file.
2305 PR target/26743
2306 PR target/11254
2307 PR target/10274
2308 * pa.md (cbranch patterns): Revise arguments used in calls to
2309 output_cbranch, output_bb and output_bvd. Add long branch length
2310 attributes.
2311 (fbranch patterns): Handle long branches.
2312 (jump): Revise length check. Revise arguments for output_lbranch call.
2313 Add long branch length attributes.
2314 (decrement_and_branch_until_zero): Add long branch length attributes.
2315 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2316 Likewise. Revise arguments for output_parallel_addb and
2317 output_parallel_movb calls.
2318 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2319 output_parallel_movb and output_parallel_addb): Update prototypes.
2320 * pa.c (output_cbranch): Revise arguments. Correct handling of
2321 nullification in long branches.
2322 (output_lbranch): Add new argument to control extraction of delay
2323 instruction.
2324 (output_bb): Handle long branches.
2325 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2326 output_parallel_addb): Likewise.
2328 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2330 PR rtl-optimization/27073
2331 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2332 not REG_EQUIVs.
2334 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2336 * tree.h (tree_memory_tag): Add old_used_alone.
2337 (SMT_OLD_USED_ALONE): New macro.
2338 * tree-ssa-alias.c (recalculate_used_alone): Stop
2339 marking things for renaming unnecessarily.
2341 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2343 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2344 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2345 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2346 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2347 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2348 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2349 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2350 spelling convensions.
2351 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2352 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2353 typos. Follow spelling conventions.
2355 2006-04-07 DJ Delorie <dj@redhat.com>
2357 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2358 passed on the stack.
2359 (m32c_init_cumulative_args): When a function returns a structure,
2360 always pass the pointer to that return area on the stack.
2361 (m32c_function_arg_advance): Don't increment the parameter number
2362 if we're processing the returned structure pointer.
2363 (pushm_info): Reverse order of registers.
2365 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2367 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2368 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2369 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2370 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2371 build_int_cst_type.
2372 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2373 chrec_fold_multiply): Same.
2374 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2375 force_expr_to_var_cost): Same.
2376 * tree-mudflap.c (mf_xform_derefs_1): Same.
2377 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2379 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2381 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2382 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2383 insn.
2385 2006-04-07 Jan Hubicka <jh@suse.cz>
2387 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2389 2006-04-07 Richard Guenther <rguenther@suse.de>
2391 PR tree-optimization/26135
2392 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2393 loads for store copy-prop.
2394 (copy_prop_visit_stmt): Likewise.
2396 2006-04-05 Robert Millan <robertmh@gnu.org>
2398 * config/i386/linux.h: Add a comment to mark macros that are
2399 being overriden in config/k*bsd-gnu.h.
2400 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2401 DYNAMIC_LINKER.
2402 * config/knetbsd-gnu.h: Ditto.
2404 2006-04-06 Jan Hubicka <jh@suse.cz>
2406 PR profile/20815
2407 PR profile/26399
2408 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2409 after buffer.
2411 2006-04-06 Mike Stump <mrs@apple.com>
2413 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2414 for HAVE_nonlocal_goto to be consistent.
2415 (expand_builtin_nonlocal_goto): Likewise.
2416 (expand_builtin_strcmp): Use #ifdef instead of #if
2417 for HAVE_cmpstrnsi to be consistent.
2419 2006-04-05 DJ Delorie <dj@redhat.com>
2421 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2422 vs m32c.
2424 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2426 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2427 got-relative addressing for anything but SImode.
2429 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2430 even if the calling function doesn't modify them.
2432 2006-04-05 Richard Guenther <rguenther@suse.de>
2434 PR tree-optimization/26919
2435 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2436 to cgraph_estimate_size_after_inlining.
2438 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2440 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2442 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2444 PR tree-optimization/26996
2445 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2446 VECTOR_TYPE variables.
2448 2006-04-05 Richard Guenther <rguenther@suse.de>
2450 PR tree-optimization/26763
2451 * fold-const.c (fold_comparison): Move folding of
2452 PTR + CST CMP PTR + CST ...
2453 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2455 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2457 * doc/install.texi (Prerequisites): Refine some wording on
2458 bootstrapping and ksh.
2459 Move the version numbers of DejaGnu here from the testing section
2460 and fix casing of names.
2461 Fix markup and clarify wording for autogen requirements.
2462 Refer to GCJ instead of just java.
2463 Refer to SVN instead of CVS.
2464 Describe diffutils as useful instead of necessary.
2465 (Downloading the source): Refer to SVN instead of CVS.
2466 Adjust a link to our web site accordingly.
2467 (Configuration): Fix casing of Bison.
2468 (Building): Refer to SVN instead of CVS.
2469 Fix a sentence on the use of Bison and remove duplicate (and
2470 incorrect) version number of Bison requirement.
2471 Remove one redundant list of packages needed for building.
2472 (Specific): Avoid reference to CVS.
2474 2006-04-04 Eric Christopher <echristo@apple.com>
2476 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2477 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2478 (rs6000_handle_struct_attribute): New.
2479 (rs6000_ms_bitfield_layout_p): Ditto.
2481 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2483 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2484 NULL for dso parameter to atexit_common.
2486 2006-04-04 Eric Christopher <echristo@apple.com>
2488 * config/i386/i386.c (machopic_output_stub): Output \t
2489 between instructions and operands.
2491 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2493 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2494 satisfies_constraint_[IL] to explicit tests on value.
2496 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2498 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2499 set_nb_iterations_in_loop): Use build_int_cst instead of
2500 build_int_cst_type.
2501 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2502 build_int_cst instead of convert.
2504 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2506 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2507 new value 2 for incoming.
2508 * function.c (expand_function_start): Call struct_value_rtx
2509 with incoming as 2.
2510 * config/sparc/sparc.md: Comment updated_return.
2511 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2512 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2513 struct return if sparc_std_struct_return and incoming is 2.
2514 (print_operand): Do not adjust return if
2515 sparc_std_struct_return.
2517 2006-04-04 Roger Sayle <roger@eyesopen.com>
2519 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2520 convert in the middle-end.
2521 * expr.c (store_expr, store_constructor, get_inner_reference,
2522 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2523 Likewise.
2524 * tree.c (build_range_type): Likewise.
2526 2006-04-04 Tom Tromey <tromey@redhat.com>
2528 * doc/install.texi (Prerequisites): Mention jar.
2530 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2532 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2533 subsection.
2535 2006-04-04 Matthias Klose <doko@debian.org>
2537 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2538 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2539 strings.
2541 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2543 * doc/extend.texi (Function Attributes): Rewrite visibility
2544 attribute documentation.
2545 * doc/invoke.texi (C++ Dialect Options): Rewrite
2546 -fvisibility-inlines-hidden documentation to describe something
2547 entirely different, although in practise compatible.
2548 (Code Gen Options): Warn about system headers in -fvisibiltity=
2549 documentation.
2551 * doc/extend.texi (Other Builtins): Document that
2552 __builtin_nan is a compile-time constant only when its argument
2553 is valid.
2555 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2557 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2558 trying to remove TRUNCATE check if all bits outside the new mode
2559 are identical to the sign bit.
2561 2006-04-03 Jeff Law <law@redhat.com>
2563 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2564 and operand scanning in some common cases.
2566 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2567 Dale Johannesen <dalej@apple.com>
2569 PR target/19653
2570 * regclass.c (struct reg_pref): Update documentation.
2571 (regclass): Set prefclass to NO_REGS if memory is the best option.
2572 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2573 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2574 into account. For non-registers, equate an empty preferred
2575 reload class to a `!' in the constraint; move the if clause to
2576 do so after those that reject the insn.
2577 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2578 return NO_REGS.
2579 (find_dummy_reload): Likewise.
2580 * doc/tm.texi (Register Classes): Document what it means
2581 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2582 * config/i386/i386.c (ix86_preferred_reload_class): Force
2583 using SSE registers (and return NO_REGS for floating-point
2584 constants) if math is done with SSE.
2585 (ix86_preferred_output_reload_class): New.
2586 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2587 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2588 * config/i386/i386.md: Remove # register preferences.
2590 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2592 PR bootstrap/26992
2593 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2594 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2595 the type of nb_iter.
2596 (instantiate_parameters_1): Convert the operands before calling
2597 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2598 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2600 2006-04-02 Roger Sayle <roger@eyesopen.com>
2602 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2603 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2604 instead of convert.
2605 * dojump.c (do_jump): Likewise.
2606 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2607 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2608 gimplify_boolean_expr): Likewise.
2609 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2610 * varasm.c (array_size_for_constructor): Likewise.
2611 * tree-object-size.c (compute_object_offset): Likewise.
2613 2006-04-02 Roger Sayle <roger@eyesopen.com>
2615 PR middle-end/26977
2616 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2617 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2619 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2621 PR tree-optimization/26939
2622 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2624 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2626 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2627 at_stmt. Convert the type of operands before calling
2628 build_polynomial_chrec.
2629 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2630 add_to_evolution_1.
2631 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2632 (instantiate_parameters_1): Convert the type of operands before calling
2633 build_polynomial_chrec.
2634 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2635 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2636 reset_evolution_in_loop): Insert asserts to check the types of the
2637 operands.
2638 (chrec_type): Moved...
2639 (eq_evolutions_p): Use operand_equal_p.
2640 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2641 the types of the operands.
2642 (chrec_type): ...here.
2643 * tree-data-ref.c (create_data_ref): Convert the operands before
2644 calling chrec_replace_initial_condition.
2645 (same_access_functions, analyze_subscript_affine_affine,
2646 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2647 (compute_subscript_distance, analyze_ziv_subscript,
2648 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2649 analyze_miv_subscript): Convert the operands before calling
2650 chrec_fold_minus or chrec_fold_plus.
2652 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2654 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2655 the dependence_relations vector.
2656 (compute_data_dependences_for_loop): Adjust call to
2657 compute_all_dependences.
2659 2006-04-01 Roger Sayle <roger@eyesopen.com>
2660 Richard Henderson <rth@redhat.com>
2662 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2663 gimple_boolify on the condition before calling gimplify_expr.
2665 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2667 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2668 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2669 the frame size. Update to use the new macros.
2670 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2671 * config/xtensa/ieee754-df.S: Likewise.
2673 2006-03-31 Richard Henderson <rth@redhat.com>
2675 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2676 (make_edges): ... here. Control fallthru creation with a local
2677 variable. Do not play with fake edges.
2678 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2679 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2680 a boolean.
2682 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2684 * dwarf2.h (DW64_CIE_ID): Define.
2685 * dwarf2out.c (DWARF_CIE_ID): Define.
2686 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2687 length header. Use DWARF_CIE_ID.
2688 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2689 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2691 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2693 * config/sh/linux-atomic.asm: New file.
2694 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2696 2006-03-31 DJ Delorie <dj@redhat.com>
2698 * config/m32c/cond.md: Set condition flags properly throughout.
2699 * config/m32c/minmax.md: Likewise.
2700 * config/m32c/prologue.md: Likewise.
2701 * config/m32c/bitops.md: Likewise.
2702 * config/m32c/muldiv.md: Likewise.
2703 * config/m32c/mov.md: Likewise.
2704 * config/m32c/addsub.md: Likewise.
2705 * config/m32c/m32c.md: Likewise.
2706 * config/m32c/jump.md: Likewise.
2707 * config/m32c/shift.md: Likewise.
2709 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2710 conditionally output the pattern for this.
2711 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2712 (m32c_compare_redundant): New.
2713 (m32c_output_compare): New.
2714 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2716 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2717 dest, not src. Allow other 4-byte modes.
2719 2006-03-30 Denis Chertykov <denisc@overta.ru>
2721 * doc/md.texi: Refer to avr/constraints.md instead of
2722 avr/avr.h.
2724 2006-03-30 Roger Sayle <roger@eyesopen.com>
2726 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2727 signed vs. unsigned comparison failures on some hosts.
2729 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2731 PR target/26459
2732 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2733 change to FLOAT_REGS.
2735 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2736 (rs6000_override_options): Use it.
2737 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2738 only for -mabi=spe/no-spe and -mabi=altivec.
2740 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2742 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2743 !Zdynamiclib.
2745 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2747 * Makefile.in: Rename docdir to gcc_docdir.
2749 2006-03-30 Roger Sayle <roger@eyesopen.com>
2751 PR target/17959
2752 * expr.c (emit_group_store): Optimize group stores into a pseudo
2753 register by using a paradoxical subreg to initialize the destination
2754 if the first or last member of the group specifies a "low part".
2756 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2758 PR target/26734
2759 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2760 * target.h (struct gcc_target.speculate_insn): Change type of the
2761 second parameter to 'int'.
2762 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2763 the second operand of the DEPS_LIST.
2764 (copy_DEPS_LIST_list): Update reference to the second operand of the
2765 DEPS_LIST.
2766 * rtl.h (alloc_DEPS_LIST): Update signature.
2767 * sched-int.h (ds_t): Change typedef to 'int'.
2768 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2770 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2772 * haifa-sched.c (try_ready): Change condition to restore
2773 non-speculative pattern of the instruction.
2774 (process_insn_depend_be_in_spec): Code to keep probability of the
2775 speculative dependence non-decreasing.
2777 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2779 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2780 (single_move_for_movmem): ... this. Also change all uses.
2781 (bfin_expand_strmov): Renamed to...
2782 (bfin_expand_movmem): ... this. Also change all uses.
2783 * config/bfin/bfin.md (movstrsi): Renamed to...
2784 (movstrsi): ...this.
2786 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2788 PR tree-optimization/26830
2790 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2791 (copy_prop_visit_stmt): Remove write-only variable ann.
2792 (init_copy_prop): Check variable loop depth here. Do not simulate
2793 memory-tag and virtual operand PHIs except for store copy prop.
2795 2006-03-30 Richard Guenther <rguenther@suse.de>
2797 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2798 variants with double arguments.
2800 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2802 * genpreds.c (write_tm_constrs_h): Delete variable p.
2803 * genconditions.c (write_header): Add tm-constrs.h to included
2804 headers.
2805 * genpeep.c (main): Add toplev.h to included headers.
2806 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2807 (build/genpeep.o): Add toplev.h dependency.
2808 * config/rs6000/constraints.md: Add "W" constraint.
2810 2006-03-29 Roger Sayle <roger@eyesopen.com>
2812 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2813 sizes by correctly testing whether the size fits a host integer.
2814 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2815 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2816 SImode range for the default sizetype and bitsizetype.
2818 2006-03-29 Roger Sayle <roger@eyesopen.com>
2820 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2821 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2822 quickly if the argument is already of the correct type.
2823 Call fold_build1 instead of build1. Tidy up blank lines.
2825 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2827 * genemit.c (main): Add tm-constrs.h to included headers.
2828 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2829 * genpeep.c (main): Add tm-constrs.h to included headers.
2830 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2831 (write_tm_constrs_h): this and write complete file.
2832 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2833 (write_insn_preds_c): Add tm-constrs.h to included headers.
2834 (gen_constrs): New variable.
2835 (parse_option): Parse "-c".
2836 (main): Invoke write_tm_constrs_h.
2837 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2838 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2839 (object_out_file): Add tm-constrs.h dependency.
2840 (insn-emit.o): Same.
2841 (insn-output.o): Same.
2842 (insn-peep.o): Same.
2843 (insn-preds.o): Same.
2844 (insn-recog.o): Same.
2845 (tm-constsr.h): New target.
2846 (s-constrs-h): New target.
2848 * config/rs6000/constraints.md: New file.
2849 * config/rs6000/rs6000.c: Include tm-constrs.h.
2850 (num_insn_constant_wide): Convert to satisfies_constraint.
2851 (rs6000_rtx_costs): Convert to satisfies_constraint.
2852 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2853 (CONST_OK_FOR_LETTER_P): Delete.
2854 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2855 (EXTRA_CONSTRAINT): Delete.
2856 (EXTRA_MEMORY_CONSTRAINT): Delete.
2857 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2858 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2859 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2860 satisfies_constraint.
2862 * config/i386/i386.c: Include tm-constrs.h.
2864 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2866 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2867 * tree-data-ref.c (find_data_references_in_loop,
2868 compute_data_dependences_for_loop): Use pointers to VEC.
2869 (analyze_all_data_dependences): Adjust calls.
2870 * tree-data-ref.h (find_data_references_in_loop,
2871 compute_data_dependences_for_loop): Adjust declarations.
2872 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2873 compute_data_dependences_for_loop.
2875 2006-03-29 Paul Brook <paul@codesourcery.com>
2877 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2878 (movdf_vfp): Ditto.
2880 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2882 PR tree-optimization/26859
2883 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2884 division by zero.
2885 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2886 for the step after fold_convert.
2888 2006-03-29 Paul Brook <paul@codesourcery.com>
2890 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2891 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2893 2006-03-29 Paul Brook <paul@codesourcery.com>
2895 PR middle-end/23623
2896 * targhooks.c (default_narrow_bitfield): New fuction.
2897 * targhooks.h (default_narrow_bitfield): add prototype.
2898 * target.h (gcc_target): Add narrow_volatile_bitfield.
2899 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2900 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2901 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2902 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2904 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2906 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2907 tmake_file.
2908 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2909 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2910 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2911 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2912 (s390_function_arg_float): Allow SDmode and DDmode values to be
2913 passed in floating point registers.
2914 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2915 check with SCALAR_FLOAT_MODE_P.
2916 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2918 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2920 PR tree-optimization/25985
2921 * tree-ssa-loop-niter.c (number_of_iterations_le,
2922 number_of_iterations_ne): Make comments more precise.
2923 (number_of_iterations_cond): Add only_exit argument. Use the
2924 fact that signed variables do not overflow only when only_exit
2925 is true.
2926 (loop_only_exit_p): New.
2927 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2928 number_of_iterations_cond.
2930 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2932 PR tree-optimization/26643
2933 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2934 bit_field_refs.
2936 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2938 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2939 (divsi3_i4_int): Likewise.
2941 2006-03-28 Roger Sayle <roger@eyesopen.com>
2943 * expr.c (emit_group_store): Only create a new pseudo reg if the
2944 quantity it needs to hold isn't already a suitable pseudo.
2946 2006-03-28 Jeff Law <law@redhat.com>
2948 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2949 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2951 2006-03-28 Roger Sayle <roger@eyesopen.com>
2953 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2954 the equivalent ~X & Y, and the symmetry related transformations.
2955 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2956 ~X & Y, and symmetry related transforms.
2958 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2960 Revert my 2006-03-27 patches.
2962 2006-03-28 Roger Sayle <roger@eyesopen.com>
2964 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2965 ~(T1)X, when T1 and T2 are integer types of the same precision
2966 and (T2)X isn't an extension.
2968 2006-03-28 Jeff Law <law@redhat.com>
2970 PR tree-optimization/26796
2971 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2972 need EH edge cleanups rather than purging them immediately.
2973 (eliminate_degenerate_phis): Handle queued EH cleanups.
2975 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2977 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2978 from parent_var.
2980 2006-03-27 Roger Sayle <roger@eyesopen.com>
2982 PR middle-end/22524
2983 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2984 cast BIT_NOT_EXPR operand to the correct type.
2986 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2988 * tree-loop-linear.c: Don't include varray.h.
2989 (gather_interchange_stats, try_interchange_loops,
2990 linear_transform_loops): Use VEC instead of VARRAY.
2991 * lambda-mat.c: Don't include varray.h.
2992 * tree-chrec.c: Same.
2993 * lambda-trans.c: Same.
2994 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2995 VEC instead of VARRAY.
2996 * tree-vectorizer.h: Idem.
2997 * tree-data-ref.c (dump_data_references,
2998 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2999 initialize_data_dependence_relation, finalize_ddr_dependent,
3000 compute_all_dependences, find_data_references_in_loop,
3001 compute_data_dependences_for_loop, analyze_all_data_dependences,
3002 free_dependence_relation, free_dependence_relations,
3003 free_data_refs): Idem.
3004 * tree-data-ref.h (data_reference_p, subscript_p): New.
3005 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3006 VEC instead of VARRAY.
3007 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3008 (find_data_references_in_loop, compute_data_dependences_for_loop,
3009 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3010 dump_data_dependence_relations, free_dependence_relations,
3011 free_data_refs): Adjust declaration.
3012 (lambda_transform_legal_p): Move declaration here...
3013 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3014 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3015 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3016 vect_analyze_data_refs): Use VEC instead of VARRAY.
3017 * lambda.h (lambda_transform_legal_p): ...from here.
3018 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3019 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3020 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3021 tree-chrec.o): Don't depend on VARRAY_H.
3023 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3025 * rtl.def (Copyright): Update date.
3026 (DEPS_LIST): Change type of the second operand to 'int'.
3027 * target.h (Copyright): Update date.
3028 (struct gcc_target.speculate_insn): Change type of the second parameter
3029 to 'int'.
3030 * lists.c (Copyright): Update date.
3031 (alloc_DEPS_LIST): Change signature. Update reference to the second
3032 operand of the DEPS_LIST.
3033 (copy_DEPS_LIST_list): Update reference to the second operand of the
3034 DEPS_LIST.
3035 * rtl.h (Copyright): Update date.
3036 (alloc_DEPS_LIST): Update signature.
3037 * sched-int.h (Copyright): Update date.
3038 (ds_t): Change typedef to 'int'.
3039 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3041 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3043 * haifa-sched.c (Copyright): Update date.
3044 (try_ready): Change condition to restore non-speculative pattern
3045 of the instruction.
3046 (process_insn_depend_be_in_spec): Code to keep probability of the
3047 speculative dependence non-decreasing.
3049 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3051 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3052 shut up the compiler.
3054 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3056 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3057 to use lib prefix for target.
3058 ($(T)libic_invalidate_array_4-200.a): Likewise.
3059 ($(T)libic_invalidate_array_4a.a): Likewise.
3061 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3062 J"orn Rennecke <joern.rennecke@st.com>
3064 * superh.opt: New file.
3065 * sh.c (boardtype, osruntime): Remove.
3066 * superh.h (SUBTARGET_OPTIONS): Remove.
3067 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3069 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3070 arguments with ^ and/or [].
3072 * config.gcc (sh-*-*): Add quoting to account for quirk of
3073 Solaris /bin/sh.
3074 Replace == with = in enable_incomplete_targets test.
3076 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3077 with MASK_LITTLE_ENDIAN.
3079 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3080 * config/sh/sh.opt: Added to some comments.
3081 * config/sh/superh.h: Removed some chaff.
3083 * config/sh/sh.opt: Add m4-[1234]00* options.
3084 * config/sh/sh.c (sh_handle_option): Likewise.
3085 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3086 (ic_invalidate_array_4-100.o): New rule.
3087 ($(T)libic_invalidate_array_4-100.a): Likewise.
3088 (ic_invalidate_array_4-200.o): Likewise.
3089 ($(T)libic_invalidate_array_4-200.a): Likewise.
3090 (ic_invalidate_array_4a.o): Likewise.
3091 ($(T)libic_invalidate_array_4a.a): Likewise.
3092 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3093 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3094 m4-200*, and m4a*.
3095 * config/sh/crt1.asm: Merged in profiling code.
3096 * config/sh/superh.h (STARTFILE_SPEC): Override.
3097 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3098 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3099 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3101 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3102 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3103 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3105 * sh.opt (mpretend-cmove): New option.
3106 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3107 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3108 (movsicc): Add TARGET_PRETEND_CMOVE code.
3110 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3112 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3113 s390_class_max_nregs): New function prototypes.
3114 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3115 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3116 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3117 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3119 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3121 * dwarf2out.c (add_location_or_const_value_attribute): Call
3122 tree_add_const_value_attribute if nothing else works.
3123 (reference_to_unused): New.
3124 (rtl_for_decl_init): Use reference_to_unused to decide whether
3125 to output an initializer.
3127 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3129 PR target/26459
3130 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3131 peephole removing spe frob_di_df_2.
3133 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3135 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3136 (subscript_dependence_tester_1): Declared.
3137 (print_dir_vectors, print_dist_vectors): New.
3138 (debug_data_dependence_relation): New.
3139 (dump_data_dependence_relation): Print more details.
3140 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3141 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3142 (save_dist_v, save_dir_v, add_outer_distances,
3143 build_classic_dist_vector_1): New.
3144 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3145 Don't test for lambda_vector_lexico_pos.
3146 (same_access_functions, add_multivariate_self_dist,
3147 add_other_self_distances, dir_from_dist): New.
3148 (build_classic_dir_vector): Replace implementation almost identical to
3149 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3150 dir_from_dist.
3151 (subscript_dependence_tester_1): New.
3152 (subscript_dependence_tester): Handle the lexicographically negative
3153 distance vectors by recomputing the dependence relation.
3154 (compute_affine_dependence): Remove parameter loop_nest_depth.
3155 (compute_self_dependence): Don't call compute_subscript_distance.
3156 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3157 Add a parameter for the loop_nest.
3158 (find_loop_nest_1, find_loop_nest): New.
3159 (compute_data_dependences_for_loop): Compute the loop nest, and give
3160 up if the nest is not well formed.
3161 * tree-data-ref.h (loop_p): New.
3162 (struct data_dependence_relation): Replace size_vect field with
3163 loop_nest, a vec of loops.
3164 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3165 (DDR_LOOP_NEST): New.
3166 (print_dir_vectors, print_dist_vectors,
3167 debug_data_dependence_relation): Declared.
3168 (index_in_loop_nest): New.
3169 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3170 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3171 distance.
3173 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3175 * simplify-rtx.c (simplify_relational_operation): Call
3176 simplify_relational_operation_1 even if mode is VOIDmode.
3178 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3180 PR tree-optimization/26804
3181 * tree.h (DECL_CALL_CLOBBERED): New macro.
3182 (tree_decl_common): Add call_clobbered_flag.
3183 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3184 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3185 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3186 (mark_non_addressable): Ditto.
3187 * tree-ssa.c (verify_call_clobbered): New function.
3188 (verify_alias_info): Use it.
3189 * tree-pass.h (pass_reset_cc_flags): New prototype.
3190 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3191 (reset_cc_flags): New function.
3192 * passes.c (init_optimization_passes): Call reset_cc_flags after
3193 initializing referenced_vars.
3195 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3196 Roger Sayle <roger@eyesopen.com>
3198 PR middle-end/26717
3199 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3200 to 1.0 for non-real operands. Implement A / A optimization for
3201 complex operands.
3203 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3205 * config/i386/i386.c (size_cost): Correct the comment for
3206 cost of storing fp registers.
3207 (i386_cost): Likewise.
3208 (i486_cost): Likewise.
3209 (pentium_cost): Likewise.
3210 (pentiumpro_cost): Likewise.
3211 (k6_cost): Likewise.
3212 (athlon_cost): Likewise.
3213 (k8_cost): Likewise.
3214 (pentium4_cost): Likewise.
3215 (nocona_cost): Likewise.
3216 (generic64_cost): Likewise.
3217 (generic32_cost): Likewise.
3219 2006-03-24 Denis Chertykov <denisc@overta.ru>
3221 * config/avr/avr-protos.h (extra_constraint): Delete.
3222 (extra_constraint_Q): New declaration.
3223 * config/avr/constraints.md: New file.
3224 * config/avr/avr.md: Include it.
3225 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3226 (TMP_REGNO, ZERO_REGNO): Likewise.
3227 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3228 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3229 (extra_constraint): Delete.
3230 (extra_constraint_Q): Test for memory constraint 'Q'.
3231 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3232 (REG_CLASS_FROM_LETTER): Delete.
3233 (CONST_OK_FOR_LETTER_P): Delete.
3234 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3235 (EXTRA_CONSTRAINT): Delete.
3236 (TMP_REGNO): Delete.
3237 (ZERO_REGNO): Delete.
3239 2006-03-24 Jeff Law <law@redhat.com>
3241 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3242 directly. Call mark_new_vars_to_rename slightly earlier.
3244 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3246 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3247 (is_cxx): Likewise.
3248 (gen_compile_unit_die): Use new language types for Objective-C and
3249 Objective-C++.
3250 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3251 DW_LANG_C_plus_plus.
3253 PR 26793
3254 * config/t-darwin (crt3.o): Work around bug 26840.
3255 * config/darwin-crt3.c: Rewrite.
3256 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3258 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3260 * doc/invoke.texi: Document -femit-class-debug-always
3261 * common.opt: Add -femit-class-debug-always.
3263 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3265 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3266 index and base register.
3267 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3268 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3269 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3270 REGNO_OK_FOR_INDEX_P.
3271 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3272 ADDR_REGNO_P.
3273 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3274 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3275 REG_OK_FOR_BASE_P): Definitions removed.
3277 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3279 PR middle-end/26611
3280 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3281 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3282 set yet or weren't marked as local yet.
3284 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3286 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3287 the compiler.
3289 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3291 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3292 (rs6000_legitimate_small_data_p): Delete.
3293 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3294 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3295 and make static. Add forward declaration. Update uses.
3296 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3297 of offsettable_memref_p.
3298 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3299 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3301 2006-03-24 Jeff Law <law@redhat.com>
3303 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3304 around bug in immediate-use iterator.
3306 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3308 PR target/26607
3309 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3310 or __LITTLE_ENDIAN__.
3312 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3314 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3315 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3316 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3317 * config/sh/sh.opt (mdiv=): Amend description.
3318 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3319 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3320 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3321 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3322 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3323 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3324 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3325 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3326 TARGET_DIVIDE_CALL_FP.
3328 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3330 * haifa-sched.c (choose_ready): Fix type of the local variable.
3331 Move local variables. Add comment.
3332 (check_reg_live): Change signature. Make callable from debugger.
3333 * sched-int.h (check_reg_live): Update signature.
3334 * sched-ebb.c (check_reg_live): Update parameters.
3335 * sched-rgn.c (check_reg_live): Ditto.
3336 (region_head_or_leaf_p): Check pointer before dereferencing.
3337 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3338 before reload on optimization levels below 1.
3340 2006-03-23 Richard Henderson <rth@redhat.com>
3342 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3343 tls symbols.
3345 PR target/26347
3346 * config/alpha/predicates.md (local_symbolic_operand): Reject
3347 weak symbols.
3349 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3351 PR tree-opt/26795
3352 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3353 expressions which have overflowed constants.
3355 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3357 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3359 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3361 * cfgloopmanip.c (create_loop_notes): Removed.
3362 * final.c (final_scan_insn): Do not handle loop notes.
3363 * jump.c (squeeze_notes): Ditto.
3364 * cfglayout.c (skip_insns_after_block,
3365 duplicate_insn_chain): Ditto.
3366 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3367 create_loop_notes.
3368 * cfgloop.h (create_loop_notes): Declaration removed.
3370 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3372 * varasm.c (output_constant_pool): Restore fnname and fndecl
3373 arguments.
3374 (assemble_start_function): Adjust call accordingly.
3375 (assemble_end_function): Likewise.
3377 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3379 PR mudflap/26789
3380 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3382 PR mudflap/26790
3383 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3385 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3387 PR driver/22600
3388 * system.h (ICE_EXIT_CODE): New macro.
3389 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3390 (diagnostic_action_after_output): Likewise.
3391 * gcc.c (fatal_ice): New function.
3392 (execute): Use it instead of fatal.
3393 (fancy_abort): Likewise.
3394 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3396 2006-03-22 Jeff Law <law@redhat.com>
3398 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3399 iv_analyze_result returning false.
3401 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3403 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3405 2006-03-22 Richard Henderson <rth@redhat.com>
3407 PR middle-end/26084
3408 * except.c (duplicate_eh_regions_0): New.
3409 (duplicate_eh_region_1): Duplicate the children of the node as
3410 well as the node itself. Link them up properly.
3411 (duplicate_eh_region_2): Merge into ...
3412 (duplicate_eh_regions): ... here. Take copy_region argument, and
3413 copy only a sub-tree if asked. Simplify copying and fixup.
3414 (eh_region_outer_p): New.
3415 * except.h (duplicate_eh_regions): Update decl.
3416 (eh_region_outer_p): Declare.
3417 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3418 (lower_omp_master): Likewise.
3419 (lower_omp_ordered): Likewise.
3420 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3421 (move_stmt_r): Use it to remap labels. Handle recursion vs
3422 remap_decls_p properly.
3423 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3424 (find_outermost_region_in_block): New.
3425 (new_label_mapper): New.
3426 (move_sese_region_to_fn): Copy eh information to the new function
3427 properly.
3428 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3429 argument.
3430 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3431 number.
3433 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3435 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3436 into shared libraries.
3438 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3440 * doc/md.texi: Refer to i386/constraints.md instead of
3441 i386/predicates.md.
3442 * config/i386/constraints.md: New file, extracted from...
3443 * config/i386/predicates.md: ...here.
3444 * config/i386/i386.md: Include constraints.md.
3446 2006-03-21 Jason Merrill <jason@redhat.com>
3448 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3450 PR middle-end/20297
3451 * expr.c (init_block_move_fn): Force default visibility.
3452 (init_block_clear_fn): Likewise.
3453 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3454 * targhooks.c (default_external_stack_protect_fail): Likewise.
3456 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3458 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3459 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3460 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3461 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3462 (loadgp): Use mips_current_loadgp_style.
3463 (loadgp_noshared): New pattern.
3464 (sibcall_internal): Use MIPS_CALL.
3465 (sibcall_value_internal): Likewise.
3466 (sibcall_value_multiple_internal): Likewise.
3467 (call_internal): Likewise.
3468 (call_value_internal): Likewise.
3469 (call_value_multiple_internal): Likewise.
3470 (call_split): Use MIPS_CALL and add an 'S' constraint.
3471 (call_value_split): Likewise.
3472 (call_value_multiple_split): Likewise.
3473 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3474 (-mshared): New option.
3475 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3476 (mips_current_loadgp_style): Declare.
3477 * config/mips/mips.c (mips_classify_symbol): Avoid using
3478 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3479 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3480 TARGET_ABSOLUTE_ABICALLS.
3481 (override_options): Adjust comments. Improve the warning that is
3482 issued when -mabicalls and -G are used together.
3483 (mips_file_start): Remove comment.
3484 (mips_current_loadgp_style): New function.
3485 (mips_gnu_local_gp): New variable.
3486 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3487 LOADGP_ABSOLUTE.
3488 (mips_output_function_prologue): Use mips_current_laodgp_style.
3489 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3490 the cprestore instruction.
3491 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3492 live for TARGET_ABSOLUTE_ABICALLS.
3493 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3494 (ASM_SPEC): Pass down -mshared and -mno-shared.
3495 (MIPS_CALL): New macro.
3496 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3497 definition.
3498 * doc/invoke.texi (-mabicalls): Update documentation.
3499 (-mshared): Document.
3501 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3503 * config/ia64/unwind-hpux.c: New file.
3504 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3506 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3508 PR libgomp/26384
3509 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3511 2006-03-21 Jeff Law <law@redhat.com>
3513 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3514 type conversions of a VR_VARYING source to a wider type.
3516 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3518 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3519 tm_file on Solaris 10 and later.
3520 (sparc64-*-solaris2*): Likewise.
3521 (sparc-*-solaris2*): Likewise.
3522 * config/sol26.h: Rename to config/sol2-6.h.
3523 * config/sol2-10.h: New file.
3525 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3527 PR tree-opt/26781
3528 * tree-ssa-pre.c (create_component_ref_by_pieces):
3529 Handle STRING_CST.
3531 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3533 PR c++/26690
3534 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3535 return it immediately.
3537 2006-03-21 Michael Matz <matz@suse.de>
3539 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3540 New members.
3541 (remove_arc, add_arc): Update num_out_arcs member.
3542 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3543 of out arcs.
3544 (cache_presence): New function.
3545 (compare_states_for_equiv): New function.
3546 (state_is_differed): Don't take number of outargs, adjust callers.
3547 Use new invariant for speeding up.
3548 (init_equiv_class): Create initial classes based on sorted
3549 input.
3550 (partition_equiv_class): Don't track out_arcs_num.
3551 (evaluate_equiv_classes): Call cache_presence on all states and
3552 sort them.
3554 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3556 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3557 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3558 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3559 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3560 callers changed.
3561 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3562 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3563 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3564 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3565 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3566 macros.
3567 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3568 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3569 (REGNO_REG_CLASS): ARGP is in PREGS.
3570 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3571 IREGS.
3572 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3573 to deal with those addresses.
3574 * addresses.h: New file.
3575 * caller-save.c: Include "addresses.h".
3576 (init_caller_save): Use new base_reg_class function.
3577 * rtl-factoring.c: Include "addresses.h".
3578 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3579 * recog.c: Include "addresses.h".
3580 (preprocess_constraints): Use new base_reg_class function.
3581 * regrename.c: Include "addresses.h".
3582 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3583 functions. Keep track of a new var INDEX_CODE to compute valid
3584 classes.
3585 (replace_oldest_value_addr): Likewise.
3586 (replace_oldest_value_mem): Use base_reg_class.
3587 * reload.c: Include "addresses.h".
3588 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3589 (find_reloads): Use new base_reg_class function.
3590 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3591 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3592 all callers and prototype changed.
3593 * reload1.c: Include "addresses.h".
3594 (maybe_fix_stack_asms): Use base_reg_class.
3595 * regclass.c: Include "addresses.h".
3596 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3597 (init_reg_autoinc): Use new base_reg_class function.
3598 (record_reg_classes): Likewise.
3599 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3600 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3601 Use new args to compute necessary class.
3603 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3604 regrename.o, rtl-factoring.o): Update dependencies.
3605 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3606 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3607 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3608 REG_OK_FOR_INDEX_P): Delete documentation.
3610 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3612 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3613 from V7 to V9 for Solaris 7 and above.
3615 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3617 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3618 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3619 argument pointers may not alias any other storage.
3620 * common.opt: Define option -fargument-noalias-anything.
3621 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3622 alias semantics is specified by flag_argument_noalias > 2.
3624 2006-03-20 Jeff Law <law@redhat.com>
3626 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3627 (pass_phi_only_cprop): Declare.
3628 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3629 with phi_only_cprop
3630 * tree-ssa-dom.c (degenerate_phi_result): New function.
3631 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3632 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3633 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3634 (eliminate_degenerate_phis): Likewise.
3635 (pass_phi_only_cprop): New pass descriptor.
3636 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3637 support code. Callers updated.
3638 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3639 (store_copy_prop): Likewise.
3640 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3642 2006-03-20 Jason Merrill <jason@redhat.com>
3644 PR c++/21764
3645 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3646 (push_visibility, pop_visibility): Likewise.
3647 * c-pragma.h: Declare them.
3649 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3651 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3653 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3654 parameter and use get_ebb_head_tail.
3655 (sh_md_init_global): Adjust uses of find_regmode_weight.
3657 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3659 * function.h (struct function) <x_tail_recursion_reentry>:
3660 Rename to x_stack_check_probe_note.
3661 (tail_recursion_reentry): Rename to stack_check_probe_note.
3662 * function.c: Replace tail_recursion_reentry with
3663 stack_check_probe_note everywhere.
3664 (expand_function_start): Only emit a note for
3665 stack_check_probe_note with -fstack-protect.
3666 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3668 * emit-rtl.c (remove_unnecessary_notes): Remove.
3669 (pass_remove_unnecessary_notes): Remove.
3670 * rtl.h (remove_unnecessary_notes): Remove prototype.
3671 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3672 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3673 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3675 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3677 PR tree-opt/26629
3678 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3679 (valid_in_set): Handle ARRAY_REF.
3680 Change "if min_variant or VH" to asserts.
3681 (create_component_ref_by_pieces): Handle ARRAY_REF.
3682 (create_expression_by_pieces): Likewise.
3683 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3685 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3687 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3688 is operand of switch, not str[0].
3690 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3692 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3693 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3695 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3697 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3698 end of insn_extra_address_constraint declaration.
3700 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3702 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3703 (no-sum-in-toc): Same.
3704 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3705 variables.
3706 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3707 NO_FP_IN_TOC for -fPIC instead of mask.
3709 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3710 (BOOT_LDFLAGS): Delete.
3711 (LDFLAGS): Delete.
3712 * config/rs6000/t-aix52: Same.
3714 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3715 (stmsi[345678]_power): New.
3717 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3719 * config/ia64/ia64.opt: Add empty line to end of file.
3721 2006-03-17 Richard Guenther <rguenther@suse.de>
3723 PR middle-end/26721
3724 * builtins.c (get_pointer_alignment): For component style references
3725 adjust alignment to the component type alignment. Make sure
3726 to adjust alignment for component access of constants.
3728 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3730 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3731 unconditional jump.
3733 2006-03-17 Paul Brook <paul@codesourcery.com>
3735 * doc/install.texi: Docuemnt --with-mode.
3736 * config.gcc: Add --with-mode for arm*-*-*.
3737 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3739 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3741 * sh.c (max_labelno_before_reorg): New variable.
3742 (sh_reorg): Initialize it.
3743 (find_barrier): Check max_labelno_before_reorg before using
3744 label_to_alignment. Take length of explicit alignment insns
3745 into account. When seeing a UNSPECV_CONST_END, return it.
3747 * sh.c (fixup_mova): Set mode of affected label to QImode.
3748 (untangle_mova): New function.
3749 (find_barrier): Use it. Check mode of label before decrementing
3750 num_mova.
3751 (sh_reorg): Likewise.
3752 Set mode of all insns back to VOIDmode.
3754 * sh.c (MOVA_LABELREF): New macro.
3755 (mova_p, fixup_mova, sh_reorg): Use it.
3756 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3757 ADDR_DIFF_VEC matches mova.
3759 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3761 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3762 with ATTRIBUTE_UNUSED.
3764 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3766 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3767 pointer, instead of assuming it is possible to derive the
3768 correct args size from a call insn.
3770 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3772 * rtl.h (CONST_INT_P): Define.
3773 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3774 instead of GET_CODE(x) == CONST_INT.
3775 (vax_rtx_costs): Likewise.
3776 (vax_output_int_move): Likewise.
3777 (vax_output_int_add): Likewise.
3778 (legitimate_constant_address_p): Likewise.
3779 (index_term_p): Likewise.
3780 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3781 * config/vax/vax.md (and<mode>3): Likewise.
3782 (ashrsi3): Likewise.
3783 (extv): Likewise.
3784 (movstricthi): Likewise.
3785 (movstrictqi): Likewise.
3786 (rotrsi3): Likewise.
3787 (five unnamed insns): Likewise.
3789 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3791 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3792 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3793 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3794 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3795 Pass to ASM_OUTPUT_DWARF_OFFSET.
3796 * dwarf2out.c (debug_frame_section): New.
3797 (output_call_frame_info): Use debug_frame_section. Pass it to
3798 dw2_asm_output_offset.
3799 (output_die): Pass appropriate section to dw2_asm_output_offset.
3800 (output_compilation_unit_header): Likewise.
3801 (output_pubnames): Likewise.
3802 (output_aranges): Likewise.
3803 (enum dw_val_class): Break dw_val_class_lbl_offset into
3804 dw_val_class_lineptr and dw_val_class_macptr.
3805 (add_AT_lbl_offset): Delete.
3806 (add_AT_lineptr): New.
3807 (add_AT_macptr): New.
3808 (AT_lbl): Expect a lineptr or macptr.
3809 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3810 (attr_checksum): Likewise.
3811 (same_dw_val_p): Likewise.
3812 (size_of_die): Likewise.
3813 (value_format): Likewise.
3814 (output_die): Likewise.
3815 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3816 add_AT_lbl_offset.
3817 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3818 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3819 * config/darwin-protos.h (darwin_file_start): New.
3820 (darwin_asm_output_dwarf_offset): New.
3821 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3822 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3823 darwin_file_start.
3824 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3825 if not EH section; simplify.
3826 (darwin_file_start): New.
3827 (darwin_asm_output_dwarf_offset): New.
3828 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3829 mark as 'debug'.
3830 (DEBUG_INFO_SECTION): Likewise.
3831 (DEBUG_ABBREV_SECTION): Likewise.
3832 (DEBUG_ARANGES_SECTION): Likewise.
3833 (DEBUG_MACINFO_SECTION): Likewise.
3834 (DEBUG_LINE_SECTION): Likewise.
3835 (DEBUG_LOC_SECTION): Likewise.
3836 (DEBUG_PUBNAMES_SECTION): Likewise.
3837 (DEBUG_STR_SECTION): Likewise.
3838 (DEBUG_RANGES_SECTION): Likewise.
3839 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3840 (ASM_OUTPUT_DWARF_OFFSET): New.
3842 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3844 * config.gcc (tm_defines): Always add to previous value rather
3845 than replacing it.
3847 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3849 * config/mips/predicates.md (splittable_const_int_operand): New,
3850 split from move_operand.
3851 (splittable_symbolic_operand): New.
3852 (move_operand): Add commentary. Use splittable_const_int_operand.
3853 Inline mips_atomic_symbolic_constant_p.
3854 * config/mips/mips.md: Add combine splitters for handling moves
3855 of splittable_const_int_operands and splittable_symbolic_operands.
3856 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3857 (mips_split_symbol): Declare.
3858 (mips_move_integer): Declare.
3859 * config/mips/mips.c (mips_split_p): Make global.
3860 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3861 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3862 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3863 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3864 (mips_offset_within_object_p): Handle block symbols.
3865 (mips_atomic_symbolic_constant_p): Delete.
3866 (mips_cannot_force_const_mem): Return false for constants that
3867 mips_legitimize_move can handle.
3868 (mips_use_blocks_for_constant_p): New function.
3869 (mips_split_symbol): Make global.
3870 (mips_move_integer): Likewise. Add a temporary register argument.
3871 (mips_legitimize_const_move): Use splittable_const_int_operand and
3872 splittable_symbolic_operand.
3873 (mips_use_anchors_for_symbol_p): New function.
3874 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3875 (mips_split_p): Declare.
3877 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3879 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3880 (mips*-*-linux*): Likewise.
3882 2006-03-16 Roger Sayle <roger@eyesopen.com>
3883 Daniel Speyer <dspeyer@wam.umd.edu>
3885 PR middle-end/18259
3886 * tree-dump.c (dump_real): New function.
3887 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3888 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3889 (tree-dump.o): Add $(REAL_H) to the dependencies.
3891 2006-03-16 Roger Sayle <roger@eyesopen.com>
3893 PR middle-end/21781
3894 * real.c (real_from_string): If the mantissa is zero, don't bother
3895 parsing the exponent as the result should always be zero.
3897 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3899 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3901 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3903 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3904 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3905 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3906 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3907 ia64_sched_finish_global): New static functions to implement
3908 hooks from gcc_target.sched.
3909 (spec_check_no, max_uid, pending_data_specs): New static variables.
3910 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3911 ia64_spec_check_src_p): New static functions.
3912 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3913 (TARGET_SCHED_ADJUST_COST): Removed.
3914 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3915 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3916 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3917 TARGET_SCHED_GEN_CHECK,
3918 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3919 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3920 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3921 Fixed to handle speculation checks.
3922 (rtx_needs_barrier): Fixed to handle speculative loads and
3923 their checks.
3924 (ia64_variable_issue): Added code to count speculative loads and their
3925 checks.
3926 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3927 speculative loads.
3928 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3929 New enumerations.
3930 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3931 New constants.
3932 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3933 (ia64_reorg): Reset stops_p to NULL after it is freed.
3934 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3935 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3936 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3937 chk_a.
3938 (data_speculative, control_speculative, check_load): New attributes.
3939 (mov<mode>_advanced, mov<mode>_speculative,
3940 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3941 zero_extend<mode>di2_speculative,
3942 zero_extend<mode>di2_speculative_advanced): New patterns for
3943 data and control speculative loads.
3944 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3945 check loads.
3946 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3947 New pattern for data and control speculation checks.
3948 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3949 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3950 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3951 Auxiliary definitions for the patterns.
3952 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3953 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3954 constraints.
3955 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3956 for speculation.
3957 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3958 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3959 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3960 New resource constraints.
3961 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3962 for speculation.
3963 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3964 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3965 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3966 msched-in-control-spec, msched-ldc, msched-control-ldc,
3967 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3968 msched-prefer-non-control-spec-insns,
3969 msched-count-spec-in-critical-path): New flags to tune speculative
3970 scheduling.
3971 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3972 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3973 msched-in-control-spec, msched-ldc, msched-control-ldc,
3974 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3975 msched-prefer-non-control-spec-insns,
3976 msched-count-spec-in-critical-path): Document new flags.
3978 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3980 * target.h (struct spec_info_def): New opaque declaration.
3981 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3982 speculate_insn, needs_block_p, gen_check,
3983 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3984 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3985 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3986 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3987 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3988 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3989 gcc_target.sched.
3990 (TARGET_SCHED): Use new macros.
3991 * rtl.h (copy_DEPS_LIST_list): New prototype.
3992 * sched-int.h (struct sched_info): Change signature of new_ready field,
3993 adjust all initializations. New fields: add_remove_insn,
3994 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3995 region_head_or_leaf_p.
3996 (struct spec_info_def): New structure declaration.
3997 (spec_info_t): New typedef.
3998 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3999 recovery_block, orig_pat.
4000 (glat_start, glat_end): New variables declaraions.
4001 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4002 New access macros.
4003 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4004 DETACH_LIFE_INFO, USE_GLAT.
4005 (enum SPEC_SCHED_FLAGS): New enumeration.
4006 (NOTE_NOTE_BB_P): New macro.
4007 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4008 attach_life_info, debug_spec_status, check_reg_live): New functions.
4009 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4010 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4011 sched-ebb.c
4012 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4013 * ddg.c (get_block_head_tail): Adjust all uses.
4014 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4015 (sms_sched_info): Initialize new fields.
4016 (contributes_to_priority): Removed.
4017 * haifa-sched.c (params.h): New include.
4018 (get_block_head_tail): Adjust all uses.
4019 (ISSUE_POINTS): New macro.
4020 (glat_start, glat_end): New global variables.
4021 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4022 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4023 old_last_basic_block, before_recovery, current_sched_info_var,
4024 rgn_n_insns, luid): New static variables.
4025 (insn_cost1): New function. Move logic from insn_cost to here.
4026 (find_insn_reg_weight1): New function. Move logic from
4027 find_insn_reg_weight to here.
4028 (reemit_notes, move_insn, max_issue): Change signature.
4029 (move_insn1): Removed.
4030 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4031 extend_bb): New static functions to support extension of scheduler's
4032 data structures.
4033 (generate_recovery_code, process_insn_depend_be_in_spec,
4034 begin_speculative_block, add_to_speculative_block,
4035 init_before_recovery, create_recovery_block, create_check_block_twin,
4036 fix_recovery_deps): New static functions to support
4037 generation of recovery code.
4038 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4039 restore_bb_notes, move_block_after_check, move_succs): New static
4040 functions to support ebb scheduling.
4041 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4042 functions to support handling of register live information.
4043 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4044 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4045 add_jump_dependencies): New static functions.
4046 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4047 consistancy checking.
4048 (debug_spec_status): New function to call from debugger.
4049 (priority): Added code to handle speculation checks.
4050 (rank_for_schedule): Added code to distinguish speculative instructions.
4051 (schedule_insn): Added code to handle speculation checks.
4052 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4053 Fixed to handle ebbs.
4054 (move_insn): Added code to handle ebb scheduling.
4055 (max_issue): Added code to use ISSUE_POINTS of instructions.
4056 (choose_ready): Added code to choose between speculative and
4057 non-speculative instructions.
4058 (schedule_block): Added code to handle ebb scheduling and scheduling of
4059 speculative instructions.
4060 (sched_init): Initialize new variables.
4061 (sched_finish): Free new variables. Print statistics.
4062 (try_ready): Added code to handle speculative instructions.
4063 * lists.c (copy_DEPS_LIST_list): New function.
4064 * sched-deps.c (extend_dependency_caches): New function. Move logic
4065 from create_dependency_caches to here.
4066 (get_dep_weak, ds_merge): Make global.
4067 * genattr.c (main): Code to output prototype for
4068 dfa_clear_single_insn_cache.
4069 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4070 (output_dfa_clean_insn_cache_func): Code to output
4071 dfa_clear_single_insn_cache function.
4072 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4073 n_insns.
4074 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4075 Removed.
4076 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4077 New static variables.
4078 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4079 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4080 struct sched_info.
4081 (ebb_sched_info): Initialize new fields.
4082 (get_block_head_tail): Adjust all uses.
4083 (compute_jump_reg_dependencies): Fixed to use glat_start.
4084 (schedule_ebb): Code to remove unreachable last block.
4085 (schedule_ebbs): Added code to update register live information.
4086 * sched-rgn.c (region_sched_info): Initialize new fields.
4087 (get_block_head_tail): Adjust all uses.
4088 (last_was_jump): Removed. Adjust users.
4089 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4090 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4091 Implement new hooks.
4092 (check_dead_notes1): New static function.
4093 (struct region): New fields: dont_calc_deps, has_real_ebb.
4094 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4095 (BB_TO_BLOCK): Fixed to handle EBBs.
4096 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4097 (ebb_head): New static variable.
4098 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4099 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4100 new fields.
4101 (compute_dom_prob_ps): New assertion.
4102 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4103 global_live_at_start.
4104 (init_ready_list): New assertions.
4105 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4106 (new_ready): Add support for BEGIN_CONTROL speculation.
4107 (schedule_insns): Fixed code that updates register live information
4108 to handle EBBs.
4109 (schedule_region): Fixed to handle EBBs.
4110 (init_regions): Use extend_regions and check_dead_notes1.
4111 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4112 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4113 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4114 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4115 TARGET_SCHED_GEN_CHECK,
4116 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4117 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4118 * doc/invoke.texi (max-sched-insn-conflict-delay,
4119 sched-spec-prob-cutoff): Document.
4121 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4123 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4124 inter_tick, queue_index.
4125 (struct sched_info): Change signature of init_ready_list field.
4126 Adjust all initializations.
4127 (RESOLVED_DEPS): New access macro.
4128 (ready_add): Remove prototype.
4129 (try_ready): Add prototype.
4130 * sched-rgn.c (init_ready_list): Use try_ready.
4131 (schedule_region): Initialize
4132 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4133 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4134 (init_ready_list): Use try_ready.
4135 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4136 * lists.c (remove_list_elem): Remove `static'.
4137 (remove_free_INSN_LIST_elem): New function.
4138 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4139 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4140 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4141 New constants.
4142 (readyp): New variable.
4143 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4144 change_queue_index, resolve_dep): New static functions.
4145 (try_ready): New function. Adjust callers in sched-rgn.c and
4146 sched-ebb.c to use it instead of ready_add.
4147 (clock_var): Move at the begining of file.
4148 (rank_for_schedule): Fix typo.
4149 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4150 (ready_lastpos): Enforce assertion.
4151 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4152 update all callers.
4153 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4154 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4155 (queue_to_ready): Use free_INSN_LIST_list.
4156 (early_queue_to_ready): Fix typo.
4157 (schedule_block): Init readyp. Move init_ready_list call after the
4158 initialization of clock_var. Fix error in rejecting insn by
4159 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4160 that previously corrected INSN_TICKs. Add code for handling
4161 QUEUE_INDEX.
4162 (set_priorities): Fix typo.
4163 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4164 Clarify comment and code that keeps current_sched_info->next_tail
4165 non-null.
4167 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4169 * sched-rgn.c (extend_rgns): New static function.
4170 (find_rgns): Use it.
4171 (gather_region_statistics, print_region_statistics): New static
4172 functions.
4173 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4174 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4176 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4177 Andrey Belevantsev <abel@ispras.ru>
4179 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4180 * lists.c (unused_deps_list): New variable.
4181 (free_list): Add assertions to verify the proper distinguishing
4182 between INSN_LISTs and DEPS_LISTs.
4183 (find_list_elem, remove_list_elem, remove_list_node): New static
4184 functions.
4185 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4186 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4187 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4188 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4189 an INSN_LIST.
4190 (free_INSN_LIST_node): Likewise.
4191 * modulo-sched.c (current_sched_info): Initialize flags field.
4192 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4193 * rtl.def (DEPS_LIST): Define.
4194 * rtl.h: Declare new functions from lists.c.
4195 * sched-deps.c (spec_dependency_cache): New static variable.
4196 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4197 (add_dependence): Change return type to void. Move the logic to ...
4198 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4199 (delete_all_dependences): Add comment about forward_dependency_cache.
4200 Handle spec_dependency_cache. Handle DEPS_LISTs.
4201 (fixup_sched_groups): Clarify the change of priority of output
4202 and anti dependencies.
4203 (sched_analyze_2): Adjust add_dependence calls to create data
4204 speculative dependence.
4205 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4206 Adjust all callers. Handle DEPS_LISTS.
4207 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4208 presence of speculation.
4209 (init_dependency_caches, free_dependency_caches):
4210 Handle spec_dependency_cache.
4211 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4212 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4213 New static functions.
4214 (add_or_update_back_dep, add_or_update_back_forw_dep,
4215 add_back_forw_dep, delete_back_forw_dep): New functions.
4216 * sched-int.h (ds_t, dw_t): New typedefs.
4217 (struct sched_info): Add new field flags.
4218 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4219 Prototype new sched-deps.c functions.
4220 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4221 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4222 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4223 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4224 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4225 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4226 New constants.
4227 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4228 New enums.
4229 * sched-rgn.c (current_sched_info): Initialize flags field.
4230 (schedule_insns): Initialize current_sched_info before the sched_init
4231 call.
4232 * sched-ebb.c (current_sched_info): Initialize flags field.
4233 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4234 Call add_or_update_back_dep instead of add_dependence.
4235 Create control speculative dependencies.
4236 (schedule_insns): Initialize current_sched_info before the sched_init
4237 call.
4239 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4241 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4242 fs->signal_frame.
4243 (sh_fallback_frame_state): Likewise.
4245 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4247 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4248 Do switch on default_use_cxa_atexit.
4249 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4250 * config/darwin-crt3.o: New.
4251 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4252 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4253 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4254 OS version.
4255 * config/rs6000/t-darwin: Move crt2.o building to here.
4256 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4257 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4258 of __cxa_atexit.
4260 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4262 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4263 from '! xxx' to '!xxx' for coding-style conformance.
4264 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4265 (EXTRA_CONSTRAINT): Likewise.
4266 * config/vax/vax.md (four unnamed insns): Likewise.
4268 2006-03-15 Paul Brook <paul@codesourcery.com>
4270 * config/arm/arm.c (minipool_pad): New.
4271 (add_minipool_forward_ref): Include pool alignment padding in address
4272 calculation.
4273 (push_minipool_fix): Set minipool_pad.
4274 (minipool_pad): Ditto.
4276 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4278 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4279 instead of GET_CODE() == MEM and REG_P() instead of
4280 GET_CODE() == REG.
4281 (print_operand_address): Likewise.
4282 (vax_address_cost): Likewise.
4283 (vax_rtx_costs): Likewise.
4284 (vax_notice_update_cc): Likewise.
4285 (vax_output_int_add): Likewise.
4286 (INDEX_REGISTER_P): Likewise.
4287 (BASE_REGISTER_P): Likewise.
4288 (nonindexed_address_p): Likewise.
4289 (vax_mode_dependent_address_p): Likewise.
4290 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4291 (PRINT_OPERAND): Likewise.
4292 * config/vax/vax.md (ashlsi3): Likewise.
4293 (ashlsi3): Likewise.
4294 (some more unnamed insns): Likewise.
4296 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4298 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4299 iterator-style macro.
4300 (mark_control_dependent_edges_necessary): Update the use of
4301 EXECUTE_IF_CONTROL_DEPENDENT.
4303 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4305 * config/sh/predicates.md (cache_address_operand): Special.
4306 (ua_address_operand): Likewise.
4308 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4310 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4311 loop notes.
4312 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4314 2006-03-15 Andreas Schwab <schwab@suse.de>
4316 * gensupport.c (identify_predicable_attribute): Don't free p_false
4317 when it is still in use.
4319 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4321 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4322 the default setting here.
4324 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4326 * tree-pass.h (pass_cfg): Remove.
4327 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4328 * passes.c (pass_cfg): Don't run it.
4330 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4332 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4333 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4334 VEC(char,heap) *.
4335 (stack_regs_mentioned): Update the uses of
4336 stack_regs_mentioned_data. Don't access the array beyond its
4337 end.
4338 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4339 Don't include gt-reg-stack.h.
4341 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4342 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4344 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4346 PR middle-end/26684
4347 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4348 STACK_REGS.
4350 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4352 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4354 2006-03-14 Richard Guenther <rguenther@suse.de>
4356 PR tree-optimization/26672
4357 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4358 SSA form.
4360 2006-03-14 Richard Guenther <rguenther@suse.de>
4362 PR tree-optimization/26667
4363 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4364 node for the callees. Always allow inlining if it will shrink
4365 the function size.
4367 2006-03-14 Richard Guenther <rguenther@suse.de>
4369 PR middle-end/26659
4370 * builtins.c (get_pointer_alignment): Prefer alignment
4371 information from decls over that from types.
4373 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4375 PR target/26657
4376 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4378 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4380 * config/rs6000/rs6000.opt (mdlmzb): New option.
4381 (msched-prolog, msched-epilog): Use Var not Mask.
4382 * doc/invoke.texi (-mdlmzb): Document.
4383 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4384 MASK_SCHED_PROLOG.
4385 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4386 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4388 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4390 PR rtl-optimization/25739
4391 * bt-load.c (augment_live_range): Free tos pointer.
4393 * gensupport.c (identify_predicable_attribute): Free
4394 p_false pointer.
4395 * gcov.c (create_file_names): Free name pointer.
4397 2006-03-13 Roger Sayle <roger@eyesopen.com>
4399 PR middle-end/26557
4400 * stmt.c (emit_case_nodes): Handle the case where the index is a
4401 CONST_INT, where the comparison mode is specified by the index type.
4403 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4405 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4406 is defined.
4408 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4410 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4411 (*branch_fp_inverted): Likewise.
4413 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4415 PR middle-end/25989
4416 * omp-low.c (expand_omp_for_generic): Mark istart0
4417 and iend0 as addressable.
4419 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4421 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4423 2006-03-13 Jeff Law <law@redhat.com>
4425 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4426 virtual operands are interesting.
4427 (vrp_visit_stmt): Corresponding changes.
4429 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4431 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4432 of RETS.
4433 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4434 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4435 * config/bfin/crti.S: Use it instead of __PIC__.
4436 * config/bfin/crtn.S: Likewise.
4438 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4439 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4440 not if flag_pic.
4441 Lose 'G' modifier for call operand.
4442 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4443 recognize 'G' modifier.
4445 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4447 PR middle-end/18859
4448 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4449 * stmt.c (expand_case): Likewise.
4451 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4453 PR rtl-optimization/26254
4454 * loop-invariant.c (seq_insns_valid_p): New function.
4455 (move_invariant_reg): Only emit new code if it is valid.
4457 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4459 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4460 Removed.
4461 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4462 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4463 (commit_one_edge_insertion): Do not look for loop notes.
4465 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4467 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4468 flag_test_coverage out of loop.
4470 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4472 * final.c (shorten_branches): Remove outdated comment, and turn
4473 the if branch that guards it to continue.
4475 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4477 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4478 * cfgloop.h (struct loop): Remove unused fields.
4480 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4482 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4483 (-dL, -fdump-rtl-loop2): Update the dump file names
4485 * doc/invoke.texi: Update dump file names.
4487 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4489 * predict.c (estimate_probability): Remove.
4490 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4491 * basic-block.h (estimate_probability): Remove prototype.
4492 * passes.c (finish_optimization_passes): Dump branch prediction or
4493 profiling heuristics to the .profile tree dump.
4494 (init_optimization_passes): Unqueue pass_branch_prob.
4496 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4498 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4500 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4501 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4503 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4505 * function.h (frame_offset_overflow): Declare.
4506 * function.c (frame_offset_overflow): New function.
4507 (assign_stack_local_1): Call it to detect that the offset overflows.
4508 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4510 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4512 * config/sh/sh.c: Include alloc-pool.h.
4513 (label_ref_list_pool): New alloc pool.
4514 (label_ref_list_t): New type for lists of labels.
4515 (struct pool_node): Make wend a label_ref_list_t.
4516 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4517 references.
4518 (dump_table): Likewise.
4519 (sh_reorg): Set up the alloc pool before using add_constant and
4520 dump_table, and destroy it when finishing.
4522 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4524 * config/mips/mips.c: Remove redundant comment.
4526 2006-03-10 Jason Merrill <jason@redhat.com>
4528 PR c/26004
4529 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4530 the target was declared 'register'.
4532 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4534 * genpreds.c (write_insn_constraint_len): Change definition of
4535 insn_constraint_len to return size_t to match the declaration.
4537 2006-03-10 DJ Delorie <dj@redhat.com>
4539 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4540 start at zero.
4541 (m32c_expand_insv): Fix test for an AND mask.
4543 2006-03-10 Richard Guenther <rguenther@suse.de>
4545 PR middle-end/26565
4546 * builtins.c (get_pointer_alignment): Handle component
4547 references for field alignment.
4549 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4551 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4552 when building with libgloss.
4553 (sh*elf): Implement --without-fp option.
4554 (sh64-superh-linux*): Don't multilib.
4556 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4558 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4560 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4562 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4563 Set it when one of the replacement functions returned true.
4564 Return TODO_cleanup_cfg if cfgchanged is true.
4565 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4567 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4569 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4570 instead of gen_lowpart.
4572 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4574 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4575 interface.
4576 (mips_output_order_conditional_branch): Declare.
4577 * config/mips/mips.h (MIPS_BRANCH): New macro.
4578 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4579 for the comparison. Use gen_condjump.
4580 (mips_output_conditional_branch): Rework interface to take the
4581 asm templates for a direct branch and the inverse of a direct branch.
4582 (mips_output_order_conditional_branch): New function.
4583 (mips_builtin_branch_and_move): New function.
4584 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4585 branch condition. Use gen_single_cc as the condition for
4586 __builtin_mips_upper_* or __builtin_mips_lower_*.
4587 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4588 Use VOIDmode for the branch condition.
4589 * config/mips/predicates.md (order_operator): New predicate.
4590 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4591 (branch_fp): Rename to...
4592 (*branch_fp): ...this. Remove mode from comparison operator.
4593 Use new mips_output_conditional_branch interface.
4594 (branch_fp_inverted): Rename to...
4595 (*branch_fp_inverted): ...this and update as for *branch_fp.
4596 (*branch_zero<mode>): Rename to...
4597 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4598 Use mips_output_order_conditional_branch. Only accept ordered
4599 comparisons.
4600 (*branch_zero<mode>_inverted): Rename to...
4601 (*branch_order<mode>_inverted): ...this and update as for
4602 *branch_order<mode>.
4603 (*branch_equality<mode>): Accept zero as the second operand to
4604 the equality operator. Use the new mips_output_conditional_branch
4605 interface.
4606 (*branch_equality<mode>_inverted): Likewise.
4607 (condjump): New expander.
4608 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4609 operator.
4610 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4611 (bc1any2t, bc1any2f): Likewise.
4612 (single_cc): New expander.
4613 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4615 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4617 * doc/md.texi: Update documentation of MIPS constraints.
4618 * config/mips/constraints.md: New file.
4619 * config/mips/mips.md: Include it.
4620 * config/mips/mips.c (mips_char_to_class): Delete.
4621 (override_options): Don't initialize mips_char_to_class.
4622 * config/mips/mips.h (mips_char_to_class): Delete.
4623 (REG_CLASS_FROM_LETTER): Delete.
4624 (CONST_OK_FOR_LETTER_P): Delete.
4625 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4626 (EXTRA_CONSTRAINT_Y): Delete.
4627 (EXTRA_CONSTRAINT_STR): Delete.
4628 (CONSTRAINT_LEN): Delete.
4629 (EXTRA_MEMORY_CONSTRAINT): Delete.
4631 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4633 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4634 original fn's eh regions.
4636 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4638 * fold-const.c (build_range_check): Make sure to use a valid type to
4639 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4640 transformation.
4642 (range_predecessor): New static function.
4643 (range_successor): Likewise.
4644 (merge_ranges): Use them to compute predecessors and successors of
4645 range bounds.
4647 2006-03-09 Roger Sayle <roger@eyesopen.com>
4649 PR middle-end/26561
4650 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4651 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4653 2006-03-08 DJ Delorie <dj@redhat.com>
4655 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4656 (addpsi3): Expand to include memory operands. Remove
4657 reload-specific splits.
4658 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4659 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4660 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4661 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4662 (shift1_qi, shift1_hi, insv): New.
4663 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4664 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4665 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4666 cond_to_int): New.
4667 * config/m32c/m32c-protos.h: Update as needed.
4668 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4669 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4670 Fail for unrecognized R* constraints.
4671 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4672 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4673 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4674 Add Sp constraint.
4675 (m32c_init_libfuncs): New.
4676 (m32c_legitimate_address_p): Add debug wrapper.
4677 (m32c_rtx_costs): New.
4678 (m32c_address_cost): New.
4679 (conversions): Add 'B' prefix.
4680 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4681 operands, or word regnames for QI operands. 'B' prints bit
4682 position.
4683 (m32c_expand_setmemhi): New.
4684 (m32c_expand_movmemhi): New.
4685 (m32c_expand_movstr): New.
4686 (m32c_expand_cmpstr): New.
4687 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4688 (m32c_expand_neg_mulpsi3): Handle non-ints.
4689 (m32c_cmp_flg_0): New.
4690 (m32c_expand_movcc): New.
4691 (m32c_expand_insv): New.
4692 (m32c_scc_pattern): New.
4693 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4694 a0/a1 out of SIregs.
4695 (STORE_FLAG_VALUE): New.
4696 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4697 code macros.
4698 (no_insn): New.
4699 * config/m32c/mov.md: Make constraints more liberal.
4700 (zero_extendqihi2): Optimize r0/r1 case.
4701 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4702 * config/m32c/predicates.md (m32c_any_operand): New.
4703 (m32c_nonimmediate_operand): New.
4704 (m32c_hl_operand): New.
4705 (m32c_r3_operand): New.
4706 (ap_operand): New.
4707 (ma_operand): New.
4708 (memsym_operand): New.
4709 (memimmed_operand): New.
4710 (a_qi_operand): New.
4711 (m32c_eqne_operator): New.
4712 (m32c_1bit8_operand): New.
4713 (m32c_1bit16_operand): New.
4714 (m32c_1mask8_operand): New.
4715 (m32c_1mask16_operand): New.
4716 * config/m32c/blkmov.md: New file.
4717 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4719 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4721 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4722 unsigned to fix signed/unsigned comparison issue in
4723 DWARF2_FRAME_REG_OUT.
4724 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4725 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4727 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4728 of ptr into the ENABLE_CHECKING section.
4730 2006-03-08 Jeff Law <law@redhat.com>
4732 * tree-vrp.c (infer_value_range): Only count pointer uses
4733 and dereferences if -fdelete-null-pointer-checks is enabled.
4735 * tree-vrp.c (find_assert_locations): Infer value ranges for
4736 single use pointers, but do not create ASSERT_EXPRs for them.
4737 When a non-null range is inferred for a pointer, backwards
4738 propagate that range to other equivalent pointers through the
4739 use-def chain.
4741 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4743 PR bootstrap/26500
4744 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4745 language hook targets.
4746 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4747 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4748 if language hook targets were missing.
4750 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4752 * tree-ssa-opfinalize.h: Removed.
4753 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4754 dependency.
4755 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4756 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4757 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4758 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4759 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4760 finalize_ssa_v_must_def_ops): New.
4762 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4764 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4765 block as parameter.
4767 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4769 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4771 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4772 addresses with offsets; reorganize.
4774 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4775 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4776 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4778 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4780 PR target/26588
4781 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4783 2006-03-08 Ben Elliston <bje@au.ibm.com>
4785 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4787 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4789 PR gomp/26238
4790 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4791 expansion.
4793 2006-03-07 Richard Guenther <rguenther@suse.de>
4795 PR tree-optimization/26587
4796 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4798 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4800 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4802 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4804 * hooks.c (hook_bool_mode_rtx_true): New function.
4805 * hooks.h (hook_bool_mode_rtx_true): Declare.
4806 * toplev.c (compile_file): Call output_shared_constant_pool.
4807 * varasm.c (shared_constant_pool): New variable.
4808 (assemble_start_function, assemble_end_function): Remove arguments
4809 from call to output_constant_pool.
4810 (create_constant_pool): New function, split out from...
4811 (init_varasm_status): ...here.
4812 (force_const_mem): Choose between the shared and per-function constant
4813 pools. Set current_function_uses_const_pool when reusing old entries
4814 as well as when creating new ones.
4815 (mark_constant): Ignore data argument.
4816 (mark_constants): Remove pool argument.
4817 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4818 to decide whether the function uses a constant pool.
4819 (output_constant_pool_contents): New function, split out from...
4820 (output_constant_pool): ...here.
4821 (output_shared_constant_pool): New function.
4822 (init_varasm_once): Initialize shared_constant_pool.
4823 * output.h (output_constant_pool): Delete.
4824 (output_shared_constant_pool): Declare.
4825 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4826 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4828 2006-03-06 Nick Clifton <nickc@redhat.com>
4830 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4831 flag_strength_reduce.
4833 2006-03-06 Ben Elliston <bje@au.ibm.com>
4835 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4836 x86_64-*-linux* configurations.
4838 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4839 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4841 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4843 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4844 Remove.
4845 * basic-block.h: Remove the extern for
4846 rediscover_loops_after_threading.
4848 * cfgloop.c (cancel_loop): Make it static.
4849 * cfgloop.h: Remove the prototype for cancel_loop.
4851 * flow.c (recompute_reg_usage): Make it static.
4852 * rtl.h: Remove the prototype for recompute_reg_usage.
4854 * function.c (use_return_register): Make it static.
4855 * function.h: Remove the prototype.
4857 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4859 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4860 Remove.
4861 * recog.h: Remove the prototype for
4862 validate_change_maybe_volatile.
4864 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4866 * rtlanal.c (replace_reg): Remove.
4867 * rtl.h: Remove the prototype for replace_reg.
4869 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4871 * regclass.c (reg_scan_update): Remove.
4872 (reg_scan_mark_refs): Remove the last argument.
4873 * rtl.h: Remove the prototype for reg_scan_update.
4875 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4877 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4878 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4879 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4880 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4881 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4882 loop-invariant.c, omp-low.c, opts.c, passes.c,
4883 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4884 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4885 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4886 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4887 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4888 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4890 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4892 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4893 * dwarf2out.h: Remove the prototype for
4894 dwarf2out_add_library_unit_info.
4896 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4898 * tree.c (add_var_to_bind_expr): Remove.
4899 * tree.h: Remove the prototype for add_var_to_bind_expr.
4901 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4903 * regclass.c (n_non_fixed_regs): Remove.
4904 (init_reg_sets_1, globalize_reg): Remove all uses of
4905 n_non_fixed_regs.
4906 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4908 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4910 * rtlanal.c (insns_safe_to_move_p): Remove.
4911 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4913 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4915 * expmed.c (expand_mult_add): Remove.
4916 * expr.h: Remove the prototype for expand_mult_add.
4918 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4920 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4921 and REG_SAVED_VAL_EXP constants.
4922 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4923 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4924 Handle regs stored by value.
4925 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4926 (execute_cfa_program): Handle DW_CFA_val_offset,
4927 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4928 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4929 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4930 (uw_install_context_1): Handle target regs stored by value.
4932 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4934 * tree-sra.c (tree_sra): Return todoflags;
4935 (generate_one_element): Set TODO_update_smt_usage if needed.
4936 (pass_sra): Remove TODO_update_smt_usage.
4937 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4938 parameter.
4939 (tree_ssa_forward_propagate_single_use_vars): Return
4940 TODO_update_smt_usage if we need to update SMT usage.
4941 (pass_forwprop): Remove TODO_update_smt_usage.
4943 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4945 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4946 (correct_use_link): Remove reference to get_stmt_operands.
4947 (update_stmt_operands): Likewise.
4948 (get_modify_expr_operands): New function factored out of
4949 parse_ssa_operands and get_expr_operands.
4950 Try to create V_MUST_DEFs for LHS by default.
4951 (get_expr_operands) <case MODIFY_EXPR>: Call
4952 get_modify_expr_operands.
4953 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4954 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4955 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4956 get_modify_expr_operands.
4958 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4960 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4961 * tree-flow.h: Remove the prototype for
4962 referenced_var_lookup_if_exists.
4964 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4966 PR rtl-optimization/26345
4967 PR target/19061
4968 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4970 2006-03-03 Roger Sayle <roger@eyesopen.com>
4972 PR tree-optimization/26524
4973 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4974 fold_convert to create a constant of the appropriate type.
4976 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4978 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4979 SYMBOL_REF_IN_BLOCK_P.
4980 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4981 of SYMBOL_FLAG_IN_BLOCK.
4982 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4983 instead of SYMBOL_REF_IN_BLOCK_P.
4984 * explow.c (use_anchored_address): Likewise.
4985 * rtl.c (rtx_size): Likewise.
4986 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4987 instead of SYMBOL_FLAG_IN_BLOCK.
4988 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4989 SYMBOL_REF_IN_BLOCK_P.
4990 (assemble_variable): Likewise.
4991 (output_constant_def_contents): Likewise.
4992 (output_constant_pool): Likewise.
4993 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4994 instead of SYMBOL_FLAG_IN_BLOCK.
4995 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4996 SYMBOL_REF_IN_BLOCK_P.
4997 (SYMBOL_REF_BLOCK): Likewise.
4998 (SYMBOL_REF_OFFSET): Likewise.
4999 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5000 SYMBOL_REF_IN_BLOCK_P.
5001 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5002 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5003 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5004 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5006 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5008 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5010 2006-03-02 Roger Sayle <roger@eyesopen.com>
5012 * simplify-rtx.c (simplify_unary_operation): When simplifying
5013 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5014 that we perform the right shift in the appropriate mode, and
5015 then extend or truncate the result to requested mode.
5017 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5019 * gengtype.c (main): Handle double_int type.
5020 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5021 * double-int.c: New file.
5022 * double-int.h: New file.
5023 * system.h: Include doubleint.h.
5024 * Makefile.in (SYSTEM_H): Include double-int.h.
5025 (double-int.o): Add.
5027 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5029 PR bootstrap/26478
5030 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5031 copying over it.
5033 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5035 * tree-vrp.c (remove_range_assertions): Do not update statements
5036 unnecessarily.
5038 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5040 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5041 cleanup.
5042 * gcse.c (rest_of_handle_gcse): Ditto.
5043 * except.c (gate_handle_eh): Ditto.
5044 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5045 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5047 2006-03-02 Eric Christopher <echristo@apple.com>
5049 * config/i386/i386.c (machopic_output_stub): Add indirection to
5050 jump.
5052 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5054 * loop.c: Removed.
5056 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5058 Sun Niagara specific optimizations.
5059 * config.gcc: Recognize niagara as target.
5060 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5061 (TARGET_CPU_niagara): Define.
5062 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5063 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5064 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5065 (ASM_CPU_SPEC): Likewise.
5066 (PROCESSOR_NIAGARA): New enum entry.
5067 (REGISTER_MOVE_COST): Handle Niagara.
5068 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5069 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5070 (sparc_override_options): Recognize "niagara", set appropriate
5071 default MASK_* values for it, and align functions to 32-bytes
5072 by default just like ULTRASPARC/ULTRASPARC3.
5073 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5074 (sparc64_initialize_trampoline): Likewise.
5075 (sparc_use_sched_lookahead): Use zero for niagara.
5076 (sparc_issue_rate): Use one for niagara.
5077 * config/sparc/niagara.md: New file.
5078 * config/sparc/sparc.md: Include it.
5079 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5080 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5081 when default cpu is niagara.
5082 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5083 (ASM_CPU_SPEC): Likewise.
5084 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5085 when default cpu is niagara.
5086 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5087 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5088 just like v9/ultrasparc/ultrasparc3.
5089 * doc/invoke.texi: Add documentation for "niagara" and improve
5090 existing documentation for ultrasparc variants.
5092 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5094 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5096 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5098 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5099 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5100 and say that only one is needed.
5101 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5102 * target.h (have_switchable_bss_sections): New hook.
5103 * explow.c (use_anchored_address): Check that the symbol is in a block.
5104 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5105 (bss_noswitch_section): New variables.
5106 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5107 (get_noswitch_section): New function.
5108 (get_block_for_section): Allow SECT to be null.
5109 (unlikely_text_section_p): Use SECTION_STYLE.
5110 (bss_initializer_p): New function.
5111 (get_variable_section): Move earlier in file. Take a new argument,
5112 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5113 Return one of the new *_sections in such cases.
5114 (get_block_for_decl): New function, extracting some logic from
5115 use_blocks_for_decl_p.
5116 (change_symbol_section): Remove in favor of...
5117 (change_symbol_block): ...this new function.
5118 (use_blocks_for_decl_p): Remove checks now performed by
5119 get_block_for_decl.
5120 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5121 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5122 (emit_local, emit_bss, emit_common): ...these new functions.
5123 Return true if the alignment was honored.
5124 (emit_tls_common): New function.
5125 (asm_emit_uninitialised): Delete.
5126 (assemble_variable_noswitch): New function, split out from...
5127 (assemble_variable): ...here. Don't make decisions about common
5128 variables here. Globalize all public decls that go into non-common
5129 sections. Check whether SYMBOL_REF_BLOCK is null.
5130 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5131 (output_constant_pool): Likewise.
5132 (init_varasm_once): Initialize the new section variables.
5133 (have_global_bss_p): New function.
5134 (categorize_decl_for_section): Use bss_initializer_p.
5135 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5136 (place_block_symbol): Assert that the symbol must be in a block.
5137 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5138 (TARGET_INITIALIZER): Include it.
5139 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5140 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5141 (SECTION_MACH_DEP): Bump by two.
5142 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5143 (unnamed_section): Mention SECTION_UNNAMED in comment.
5144 (named_section): Likewise SECTION_NAMED.
5145 (noswitch_section_callback): New type.
5146 (noswitch_section): New structure.
5147 (section): Add a noswitch_section alternative.
5148 (SECTION_STYLE): New macro.
5149 (tls_comm_section, comm_section, lcomm_section): Declare.
5150 (bss_noswitch_section, have_global_bss_p): Declare.
5151 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5152 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5153 Override.
5154 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5155 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5156 Override.
5158 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5160 * tree-vrp.c (execute_vrp): Return value.
5161 * regrename.c (rest_of_handle_regrename): Ditto.
5162 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5163 * tree-complex.c (tree_lower_complex): Ditto.
5164 (tree_lower_complex_O0): Ditto.
5165 * tracer.c (rest_of_handle_tracer): Ditto.
5166 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5167 * postreload.c (rest_of_handle_postreload): Ditto.
5168 * tree-tailcall.c (execute_tail_recursion): Ditto.
5169 (execute_tail_calls): Ditto.
5170 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5171 * tree.h (init_function_for_compilation): Ditto.
5172 * ipa-cp.c (ipcp_driver): Ditto.
5173 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5174 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5175 * final.c (compute_alignments): Ditto.
5176 (rest_of_handle_final): Ditto.
5177 (rest_of_handle_shorten_branches): Ditto.
5178 (rest_of_clean_state): Ditto.
5179 * omp-low.c (execute_expand_omp): Ditto.
5180 (execute_lower_omp): Ditto.
5181 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5182 * ipa-reference.c (static_execute): Ditto.
5183 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5184 * reorg.c (rest_of_handle_delay_slots): Ditto.
5185 (rest_of_handle_machine_reorg): Ditto.
5186 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5187 * flow.c (recompute_reg_usage): Ditto.
5188 (rest_of_handle_remove_death_notes): Ditto.
5189 (rest_of_handle_life): Ditto.
5190 (rest_of_handle_flow2): Ditto.
5191 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5192 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5193 (do_ssa_store_ccp): Ditto.
5194 (execute_fold_all_builtins): Ditto.
5195 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5196 * modulo-sched.c (rest_of_handle_sms): Ditto.
5197 * ipa-pure-const.c (static_execute): Ditto.
5198 * cse.c (rest_of_handle_cse): Ditto.
5199 (rest_of_handle_cse2): Ditto.
5200 * web.c (rest_of_handle_web): Ditto.
5201 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5202 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5203 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5204 * tree-nrv.c (tree_nrv): Ditto.
5205 (execute_return_slot_opt): Ditto.
5206 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5207 (create_structure_vars): Ditto.
5208 * loop-init.c (rtl_loop_init): Ditto.
5209 (rtl_loop_done): Ditto.
5210 (rtl_move_loop_invariants): Ditto.
5211 (rtl_unswitch): Ditto.
5212 (rtl_unroll_and_peel_loops): Ditto.
5213 (rtl_doloop): Ditto.
5214 * gimple-low.c (lower_function_body): Ditto.
5215 (mark_used_blocks): Ditto.
5216 * tree-ssa-sink.c (execute_sink_code): Ditto.
5217 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5218 (cgraph_early_inlining): Ditto.
5219 * global.c (rest_of_handle_global_alloc): Ditto.
5220 * jump.c (cleanup_barriers): Ditto.
5221 (purge_line_number_notes): Ditto.
5222 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5223 (rest_of_handle_if_after_reload): Ditto.
5224 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5225 (tree_ssa_loop_im): Ditto.
5226 (tree_ssa_loop_unswitch): Ditto.
5227 (tree_vectorize): Ditto.
5228 (tree_linear_transform): Ditto.
5229 (tree_ssa_loop_ivcanon): Ditto.
5230 (tree_ssa_empty_loop): Ditto.
5231 (tree_ssa_loop_bounds): Ditto.
5232 (tree_complete_unroll): Ditto.
5233 (tree_ssa_loop_prefetch): Ditto.
5234 (tree_ssa_loop_ivopts): Ditto.
5235 (tree_ssa_loop_done): Ditto.
5236 * predict.c (tree_estimate_probability): Ditto.
5237 * recog.c (split_all_insns_noflow): Ditto.
5238 (rest_of_handle_peephole2): Ditto.
5239 (rest_of_handle_split_all_insns): Ditto.
5240 * tree-eh.c (lower_eh_constructs): Ditto.
5241 * regmove.c (rest_of_handle_regmove): Ditto.
5242 (rest_of_handle_stack_adjustments): Ditto.
5243 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5244 * function.c (instantiate_virtual_regs): Ditto.
5245 (init_function_for_compilation): Ditto.
5246 (rest_of_handle_check_leaf_regs): Ditto.
5247 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5248 (rest_of_handle_gcse): Ditto.
5249 * ipa-type-escape.c (type_escape_execute): Ditto.
5250 * alias.c (rest_of_handle_cfg): Ditto.
5251 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5252 * profile.c (rest_of_handle_branch_prob): Ditto.
5253 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5254 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5255 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5256 * tree-dfa.c (find_referenced_vars): Ditto.
5257 * except.c (set_nothrow_function_flags): Ditto.
5258 (convert_to_eh_region_ranges): Ditto.
5259 (rest_of_handle_eh): Ditto.
5260 * emit-rtl.c (unshare_all_rtl): Ditto.
5261 (remove_unnecessary_notes): Ditto.
5262 * except.h (set_nothrow_function_flags): Ditto.
5263 (convert_to_eh_region_ranges): Ditto.
5264 * cfgexpand.c (tree_expand_cfg): Ditto.
5265 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5266 * tree-ssa-pre.c (do_pre): Ditto.
5267 (execute_fre): Ditto.
5268 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5269 (rest_of_handle_jump2): Ditto.
5270 * tree-sra.c (tree_sra): Ditto.
5271 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5272 (execute_mudflap_function_decls): Ditto.
5273 * tree-ssa-copy.c (do_copy_prop): Ditto.
5274 (do_store_copy_prop): Ditto.
5275 * ipa-prop.h (ipcp_driver): Ditto.
5276 * cfglayout.c (insn_locators_initialize): Ditto.
5277 * tree-ssa-forwprop.c
5278 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5279 * cfglayout.h (insn_locators_initialize): Ditto.
5280 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5281 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5282 (execute_late_warn_uninitialized): Ditto.
5283 * rtl.h (cleanup_barriers): Ditto.
5284 (split_all_insns_noflow): Ditto.
5285 (purge_line_number_notes): Ditto.
5286 (unshare_all_rtl): Ditto.
5287 (remove_unnecessary_notes): Ditto.
5288 (recompute_reg_usage): Ditto.
5289 (variable_tracking_main): Ditto.
5290 * integrate.c (emit_initial_value_sets): Ditto.
5291 * integrate.h (emit_initial_value_sets): Ditto.
5292 * tree-optimize.c (execute_free_datastructures): Ditto
5293 (execute_free_cfg_annotations): Ditto.
5294 (execute_fixup_cfg): Ditto.
5295 (execute_cleanup_cfg_pre_ipa): Ditto.
5296 (execute_cleanup_cfg_post_optimizing): Ditto.
5297 (execute_init_datastructures): Ditto.
5298 * tree-object-size.c (compute_object_sizes): Ditto.
5299 * combine.c (rest_of_handle_combine): Ditto.
5300 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5301 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5302 (rest_of_handle_reorder_blocks): Ditto.
5303 (rest_of_handle_partition_blocks): Ditto.
5304 * var-tracking.c (variable_tracking_main): Ditto.
5305 * tree-profile.c (tree_profiling): Ditto.
5306 * tree-vect-generic.c (expand_vector_operations): Ditto.
5307 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5308 * sched-rgn.c (rest_of_handle_sched): Ditto.
5309 (rest_of_handle_sched2): Ditto.
5310 * basic-block.h (free_bb_insn): Ditto.
5311 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5312 * tree-cfg.c (execute_build_cfg): Ditto.
5313 (remove_useless_stmts): Ditto.
5314 (split_critical_edges): Ditto.
5315 (execute_warn_function_return): Ditto.
5316 (execute_warn_function_noreturn): Ditto.
5317 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5318 * cfgrtl.c (free_bb_for_insn): Ditto.
5319 * passes.c (execute_one_pass): Run additional
5320 todos returned by execute function.
5321 * tree-pass.h (struct tree_opt_pass): Make execute
5322 return a value.
5324 2006-03-02 Richard Guenther <rguenther@suse.de>
5326 * tree-ssa-alias.c (find_used_portions): Consider taking
5327 the address as making the variable not write-only.
5329 2006-03-02 Nick Clifton <nickc@redhat.com>
5331 * config.gcc (default_use_cxa_atexit): Extend the description of
5332 this configure variable. Set its default value to "yes" for
5333 Linux, NetBSD and ELF targets on the assumption that they will
5334 use C libraries with the __cxa_atexit function.
5336 2006-03-02 Ben Elliston <bje@au.ibm.com>
5338 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5339 parameter as unused to suppress a build warning.
5341 2006-03-02 Ben Elliston <bje@au.ibm.com>
5343 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5344 config/dfp-bit.c.
5346 2006-03-01 Roger Sayle <roger@eyesopen.com>
5348 PR other/26489
5349 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5350 declared name, the weak reference name, and the typeof name.
5351 (__gthrw): Avoid expanding the declared name suffix.
5352 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5354 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5356 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5357 from DWARF 3.
5358 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5359 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5360 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5361 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5362 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5363 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5364 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5365 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5366 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5367 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5368 (DW_END_default, DW_END_big, DW_END_little): New.
5369 (DW_END_lo_user, DW_END_hi_user): Define.
5370 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5371 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5372 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5373 DW_LANG_D): New.
5375 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5377 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5378 Update all users.
5379 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5380 Update all users.
5381 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5382 Update all users.
5383 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5384 Update all users.
5385 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5386 to 'symbol_mem_tag'.
5387 Update all users.
5388 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5389 rename.
5391 2006-03-01 Roger Sayle <roger@eyesopen.com>
5393 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5395 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5397 PR target/25761
5398 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5399 MACHO_DYNAMIC_NO_PIC_P.
5400 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5402 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5404 PR target/26389
5405 * config/darwin-protos.h (darwin_asm_output_anchor):
5406 Declare.
5407 * config/darwin-sections.def (cstring_section):
5408 Add SECTION_MERGE to the flags.
5409 (literal4_section): Likewise.
5410 (literal8_section): Likewise.
5411 (objc_selector_refs_section): Likewise.
5412 (objc_cls_refs_section): Likewise.
5413 * config/darwin.c (darwin_asm_output_anchor): New
5414 function.
5415 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5417 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5419 Fix PR tree-optimization/26443
5420 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5421 to todo and PROP_tmt_usage to properties_destroyed.
5422 * tree-ssa-ccp.c (pass_ccp): Ditto.
5423 (pass_store_ccp): Ditto.
5424 * tree-ssa-dom.c (pass_dominator): Ditto.
5426 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5428 * tree-ssa-operands.c: Cleanup whitespace.
5429 (get_asm_expr_operands): Move before first invocation.
5430 (get_indirect_ref_operands): Likewise.
5431 (get_tmr_operands): Likewise.
5432 (get_call_expr_operands): Likewise.
5433 (append_def): Likewise.
5434 (append_use): Likewise.
5435 (append_v_may_def): Likewise.
5436 (append_v_must_def): Likewise.
5437 (add_call_clobber_ops): Likewise.
5438 (add_call_read_ops): Likewise.
5439 (add_stmt_operand): Likewise.
5440 (add_virtual_operand): Likewise.
5441 (build_ssa_operands): Likewise.
5443 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5445 PR middle-end/26022
5446 Revert:
5447 PR middle-end/24437
5448 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5449 with a call expr to ...
5450 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5452 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5454 * tree-vrp.c (extract_range_from_assert): Remove special
5455 handling for types with super-types.
5457 2006-03-01 Ben Elliston <bje@au.ibm.com>
5459 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5460 and powerpc64-*-linux* configurations.
5461 * config/t-dfprules: New file.
5463 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5464 Compile dfp-bit.c from the source directory using -DWIDTH and
5465 $DFP_CFLAGS to control the compilation of that file, rather than
5466 generating width-specific versions in the build directory.
5467 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5468 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5470 2006-02-28 Zack Weinberg <zackw@panix.com>
5472 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5473 continues to work.
5475 2006-02-28 Eric Christopher <echristo@apple.com>
5477 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5478 Set up IN_LIBGCC definition of TARGET_64BIT.
5479 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5481 2006-02-28 Roger Sayle <roger@eyesopen.com>
5483 PR middle-end/14752
5484 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5485 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5486 cases via the construction of "expr != 0".
5488 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5490 * alias.c (alias_invariant, alias_invariant_size): Remove.
5491 (record_base_value): Remove.
5492 (memrefs_conflict_p): Don't look at alias_invariant.
5493 (end_alias_analysis): Don't free it.
5494 * alias.h (record_base_value): Remove prototype.
5496 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5497 Adam Nemet <anemet@caviumnetworks.com>
5499 * rtl.h (truncated_to_mode): Declare it.
5500 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5501 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5502 (RTL_HOOKS_INITIALIZER): Include it.
5503 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5504 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5505 reg_truncated_to_mode.
5506 * rtlanal.c (truncated_to_mode): Define it.
5507 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5509 2006-02-28 Jeff Law <law@redhat.com>
5511 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5512 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5513 the range allowed by TYPE_PRECISION.
5515 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5517 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5519 PR tree-optimization/26419
5520 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5521 values of n.
5523 2006-02-27 Zack Weinberg <zackw@panix.com>
5525 * doc/md.texi: Fix typo in previous change.
5527 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5529 * df.c: Remove.
5531 2006-02-27 Zack Weinberg <zackw@panix.com>
5533 * rtl.def (define_constraint, define_register_constraint)
5534 (define_memory_constraint, define_address_constraint): New MD forms.
5535 * gensupport.c (process_rtx): Put define_constraint etc on the
5536 predicate queue.
5537 * genpreds.c (process_define_predicate): Adjust comment. Validate
5538 the name, and call validate_exp to validate the expression.
5539 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5540 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5541 all callers changed.
5542 (validate_exp, needs_variable, struct constraint_data)
5543 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5544 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5545 (const_dbl_constraints, constraint_max_namelen)
5546 (have_register_constraints, have_memory_constraints)
5547 (have_address_constraints, have_address_constraints)
5548 (have_extra_constraints, have_const_int_constraints)
5549 (have_const_dbl_constraints, mangle, add_constraint)
5550 (process_define_constraint, process_define_register_constraint)
5551 (write_enum_constraint_num, write_lookup_constraint)
5552 (write_insn_constraint_len, write_regclass_for_constraint)
5553 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5554 (write_insn_extra_memory_constraint)
5555 (write_insn_extra_address_constraint)
5556 (write_satisfies_constraint_fns): New.
5557 (write_tm_preds_h): If we have new-style constraint definitions,
5558 prototype the functions generated from them, and define the
5559 old constraint interface (still used by generic code) in terms of
5560 those functions.
5561 (write_insn_preds_c): If we have new-style constraint definitions,
5562 generate all relevant functions from those definitions.
5563 (main): Handle define_constraint etc.
5564 * genoutput.c (struct constraint_data, indep_constraints)
5565 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5566 (mdep_constraint_len): New data structures and functions, defined
5567 #ifdef USE_MD_CONSTRAINTS.
5568 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5569 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5570 use new logic to validate operand constraints against constraint
5571 definitions.
5572 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5573 defined.
5574 * defaults.h: If none of the old-style constraint macros are
5575 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5576 old-style macros; and poison REG_CLASS_FROM_LETTER,
5577 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5578 EXTRA_CONSTRAINT.
5579 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5580 * doc/md.texi: Document new constraint-definition mechanism and the
5581 C interface it provides. Remove references to old mechanism
5582 elsewhere in the document.
5583 (Machine Constraints): Use pathnames relative to gcc directory,
5584 i.e. config/ARCH/FILE. Change i386 section to refer to
5585 config/i386/predicates.md; update that section to match docstrings.
5586 * doc/tm.texi: Move all documentation of the old constraint-
5587 definition macros to their own section, clearly mark as obsolete.
5589 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5590 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5591 definitions.
5592 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5593 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5594 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5595 constraint strings.
5596 (splits and peepholes): Use satisfies_constraint_*.
5597 * config/i386/i386.c (memory_address_length)
5598 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5600 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5602 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5603 scalar operation to be put back into the loop.
5605 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5607 PR other/26208
5608 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5609 (extract_cie_info): Handle S flag in augmentation string.
5610 (execute_cfa_program): If context->signal_frame, execute also
5611 fs->pc == context->ra instructions.
5612 (uw_frame_state_for): If context->signal_frame, don't subtract one
5613 from context->ra to find FDE.
5614 (uw_update_context_1): Set context->signal_frame to
5615 fs->signal_frame.
5616 (_Unwind_GetIPInfo): New function.
5617 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5618 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5619 of _Unwind_GetIP.
5620 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5621 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5622 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5623 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5624 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5625 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5626 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5627 x86_64_fallback_frame_state): Set fs->signal_frame.
5628 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5629 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5630 (frob_update_context): Likewise. Workaround missing S flag in
5631 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5632 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5633 Remove the psw_addr + 1 hack.
5635 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5637 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5638 with aggregates here.
5639 (find_func_aliases): Remove code for &<aggregate> from here.
5641 2006-02-26 Roger Sayle <roger@eyesopen.com>
5643 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5644 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5645 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5646 as (X & C) ne/eq 0.
5648 2006-02-26 Roger Sayle <roger@eyesopen.com>
5650 PR middle-end/19983
5651 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5653 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5655 * opts.c (decode_options): Do not handle flag_strength_reduce.
5656 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5657 and OPT_fstrength_reduce.
5658 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5659 flag_prefetch_loop_arrays for being nonzero.
5660 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5661 no-ops.
5662 (fprefetch-loop-arrays-rtl): Removed.
5663 (flag_prefetch_loop_arrays): Do not specify the value.
5665 * doc/passes.texi: Update documentation of loop optimizer
5666 passes.
5667 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5668 -frerun-loop-opt): Remove.
5670 2006-02-26 Richard Guenther <rguenther@suse.de>
5672 PR tree-optimization/26421
5673 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5674 in function calls that are ADDR_EXPRs as using the whole structure.
5676 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5678 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5679 * tree-pass.h (pass_loop_optimize): Remove.
5680 * passes.c (pass_loop_optimize): Never run it.
5681 * toplev.c (backend_init): Don't call init_loop.
5682 * opts.c (flag_loop_optimize_set): Remove.
5683 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5684 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5685 the old RTL loop optimizer when profiling enabled.
5686 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5687 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5688 pre-headers for the sake of the old RTL loop optimizer.
5689 * Makefile.in: Remove all references to loop.o.
5691 * doc/invoke.texi: Remove all references to -floop-optimize
5692 and -frerun-loop-opt.
5694 2006-02-26 Zack Weinberg <zackw@panix.com>
5696 * doc/md.texi (Machine Constraints): Refer to all files with paths
5697 relative to gcc directory (i.e. config/CPU/file). Add missing
5698 @table @code ... @end table to M32C subsection.
5700 2006-02-26 Roger Sayle <roger@eyesopen.com>
5702 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5703 (X & 1) == 0.
5704 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5706 2006-02-26 Roger Sayle <roger@eyesopen.com>
5707 James A. Morrison <phython@gcc.gnu.org>
5709 PR middle-end/21137
5710 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5711 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5712 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5713 signedness of the shift operation.
5715 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5717 PR tree-optimization/26359
5718 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5720 2006-02-25 Roger Sayle <roger@eyesopen.com>
5722 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5723 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5724 as X == 0, and some symmetry related transformations.
5725 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5727 2006-02-25 Roger Sayle <roger@eyesopen.com>
5729 PR middle-end/23673
5730 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5731 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5732 symmetry related transformations. Fold (X^C1) == C2 as
5733 X == (C1^C2).
5735 2006-02-25 Juergen Weigert <jw@suse.de>
5736 Richard Guenther <rguenther@suse.de>
5738 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5740 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5742 * combine.c (gen_lowpart_or_truncate): Call
5743 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5745 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5747 * doc/invoke.texi: Move -fopenmp description to "Options for
5748 Code Generation".
5749 Remove reference to -lgomp.
5751 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5753 * doc/install.texi: Require GNU tar version 1.14.
5755 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5757 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5758 * doc/invoke.texi (C++ Dialect Options): Document
5759 -fno-use-cxa-get-exception-ptr.
5760 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5761 * configure: Regenerate.
5762 * c.opt (fuse-cxa-get-exception-ptr): New.
5763 * c-opts.c (c_common_handle_option): Handle
5764 OPT_fuse_cxa_get_exception_ptr.
5765 * c-common.c (flag_use_cxa_atexit): Update documentation.
5766 (flag_use_cxa_get_exception_ptr): New.
5767 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5768 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5769 documentation.
5770 (C_COMMON_OVERRIDE_OPTIONS): New.
5772 2006-02-24 Roger Sayle <roger@eyesopen.com>
5774 PR middle-end/24952
5775 * combine.c (try_combine): Explicitly check whether GET_CODE is
5776 a SET or a CLOBBER, instead on checking that it isn't a USE.
5778 2006-02-24 Roger Sayle <roger@eyesopen.com>
5780 * fold-const.c (fold_comparison): New subroutine of fold_binary
5781 containing transformations common to both the equality and
5782 ordering relational operators, factored out of fold_binary.
5783 (fold_binary): Separate out the equality operators (EQ_EXPR
5784 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5785 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5786 transformations common to both.
5787 (fold_div_compare): Fix latent bugs in the previously unreachable
5788 LT_EXPR and GE_EXPR cases.
5790 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5792 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5793 decl libname for clog to __clog on AIX.
5795 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5797 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5799 PR target/26453
5800 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5801 output traceback table for thunks. Localise rs6000_stack_info call.
5803 2006-02-23 Roger Sayle <roger@eyesopen.com>
5804 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5806 * gthr-posix.h (__gthrw): Fix typo in comment.
5808 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5810 * doc/cpp.texi (Character sets): Document that we do support
5811 input files to be in any character set.
5813 2006-02-23 Jeff Law <law@redhat.com>
5815 * tree.h (PHI_ARG_NONZERO): Remove.
5816 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5817 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5818 node to the new node.
5820 PR tree-optimization/26425
5821 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5822 min/max, then assume its varying.
5824 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5826 PR rtl-optimization/26316
5827 * rtlanal.c (enum may_trap_p_flags): New.
5828 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5829 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5830 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5831 (may_trap_after_code_motion_p): New function.
5832 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5833 (find_invariant_insn): Use may_trap_after_code_motion_p.
5834 * rtl.h (may_trap_after_code_motion_p): Declare.
5836 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5838 * emit-rtl.c (immed_double_const): Cleanup.
5840 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5842 Fix PR tree-optimization/26376
5843 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5844 remove assert.
5846 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5848 PR middle-end/26412
5849 * gimplify.c (omp_add_variable): Guard variable size decl test with
5850 DECL_SIZE (decl) check.
5852 2006-02-23 Richard Guenther <rguenther@suse.de>
5854 PR middle-end/26439
5855 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5856 like aggregate types.
5858 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5860 * configure.ac: Add --with{,out}-long-double-128 configure option.
5861 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5862 * configure: Rebuilt.
5863 * config.in: Rebuilt.
5864 * doc/install.texi (Options specification): Document
5865 --with-long-double-128.
5867 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5868 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5869 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5870 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5872 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5874 * config/s390/s390.c (override_options): Handle
5875 TARGET_DEFAULT_LONG_DOUBLE_128.
5877 * config/alpha/alpha.c (override_options): Handle
5878 TARGET_DEFAULT_LONG_DOUBLE_128.
5880 * config/sparc/sparc.c (sparc_override_options): Handle
5881 TARGET_DEFAULT_LONG_DOUBLE_128.
5883 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5885 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5886 (real-install-headers-tar, real-install-headers-cpio)
5887 (real-install-headers-cp): New targets.
5889 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5891 * tree.h (variable_section): Delete.
5892 * varasm.c (variable_section): Delete.
5894 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5896 * install.texi: Add notes on install.texi2html.
5897 (Building in parallel): Do not use footnotes.
5899 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5901 PR libgomp/26234
5902 * doc/install.texi (Configuration): Document --disable-libgomp.
5904 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5906 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5908 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5910 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5911 (vec_extractv2df_0_sse): New.
5913 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5915 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5916 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5917 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5918 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5919 to the result of the expression.
5920 (def_cfa_1): Adjust.
5921 (frame_pointer_cfa_offset): Rename to...
5922 (frame_pointer_fb_offset): ... this. Adjust all uses.
5923 (convert_cfa_to_loc_list): Rename to...
5924 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5925 Pass it on to build_cfa_loc.
5926 (compute_frame_pointer_to_cfa_displacement): Rename to...
5927 (compute_frame_pointer_to_fb_displacement): ... this. New
5928 offset parameter. Use it in computation.
5929 (gen_subprogram_die): Compute cfa_fb_offset with the new
5930 macro, and use it to compute the fb loc list and the
5931 displacement.
5933 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5935 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5936 replaced with register_operand.
5937 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5938 non-DREG is expensive.
5939 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5940 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5941 involving memory.
5943 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5945 * doc/install.texi2html: Use set -e.
5947 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5949 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5950 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5951 * doc/invoke.texi (-fshared-data): Delete.
5952 * common.opt (fshared-data): Delete.
5953 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5954 (assemble_static_space): Remove #if 0 code.
5955 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5956 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5957 * config/cris/cris.h: Remove FIXME.
5959 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5961 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5962 hooks.
5964 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5966 PR middle-end/26379
5967 * combine.c (simplify_shift_const_1): Disable nested shifts
5968 optimization for vector shifts.
5970 2006-02-20 Roger Sayle <roger@eyesopen.com>
5972 PR tree-optimization/26361
5973 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5974 of unsigned integer types.
5976 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5978 * tree-chrec.c (eq_evolutions_p): New.
5979 * tree-chrec.h (eq_evolutions_p): Declared.
5980 * tree-data-ref.c: Fix formatting.
5981 (datadep_stats, dependence_stats): New.
5982 (gcd): Moved...
5983 (print_direction_vector): New.
5984 (dump_data_dependence_relation): Use print_direction_vector.
5985 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5986 (compute_subscript_distance): Static.
5987 (initialize_data_dependence_relation): Static. Get the number
5988 of loops surrounding the references from the callers, and initialize
5989 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5990 base_object_differ_p analyzers.
5991 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5992 compute_overlap_steps_for_affine_1_2,
5993 analyze_subscript_affine_affine): Count the classified dependences.
5994 Print a message when a test failed.
5995 (can_use_analyze_subscript_affine_affine): New.
5996 (analyze_siv_subscript): Compute the data dependences on symbolic
5997 scevs that verify can_use_analyze_subscript_affine_affine.
5998 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5999 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6000 Handle symbolic scevs.
6001 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6002 analyzed.
6003 (subscript_dependence_tester): Moved...
6004 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6005 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6006 DDR_SIZE_VECT instead of getting it in parameter.
6007 (subscript_dependence_tester): ... here. Take as a parameter
6008 loop_nest_depth. Call build_classic_dist_vector and
6009 build_classic_dir_vector.
6010 (compute_affine_dependence): Update subscript_dependence_tester
6011 parameters. Update datadep_stats counters. Call
6012 compute_subscript_distance.
6013 (compute_self_dependence): Save the dist and dir vectors. Call
6014 compute_subscript_distance.
6015 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6016 (compute_all_dependences): Reorder parameters as they were before
6017 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6018 compute_subscript_distance. Update the use of
6019 compute_affine_dependence and initialize_data_dependence_relation.
6020 (find_data_references_in_loop): Handle COMPONENT_REF.
6021 (compute_data_dependences_for_loop): Initialize dependence_stats.
6022 Don't call build_classic_dist_vector and build_classic_dir_vector.
6023 Update the parameters of initialize_data_dependence_relation and
6024 compute_all_dependences. Print the statistics from datadep_stats.
6025 (analyze_all_data_dependences): Static. Not used until the pass for
6026 checking the data dependences is contributed.
6027 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6028 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6029 (initialize_data_dependence_relation, compute_affine_dependence,
6030 analyze_all_data_dependences, compute_subscript_distance): Removed.
6031 (print_direction_vector): New.
6032 * lambda.h (gcd): ... here.
6033 (lambda_vector_gcd): Moved here from gcd_vector.
6034 * lambda-code.c (gcd, gcd_vector): Removed.
6035 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6036 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6038 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6040 * ipa-type-escape.c: Tidy some comments and white space.
6041 * tree-ssa-operands.c: Likewise.
6043 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6045 PR tree-opt/25879
6046 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6047 (dump_decl_name): Do not walk the decl tree chains.
6048 * tree-pass.h (TDF_CHAIN): Remove.
6050 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6052 * Makefile.in (C): Remove
6053 (PROTO): Remove
6054 (.PHONY): Remove C and PROTO
6056 2006-02-20 Roger Sayle <roger@eyesopen.com>
6058 PR middle-end/26236
6059 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6060 deprecated CHAR_TYPE tree code.
6062 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6064 * configure.ac (target_list): Add install-info, dvi, html.
6065 * configure: Regenerate.
6067 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6068 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6069 treelang/Make-lang.in: Do not use double-colon rules.
6071 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6073 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6074 (TMT_USED_ALONE): New macro.
6075 * tree-pass.h (PROP_tmt_usage): New property.
6076 (TODO_update_tmt_usage): New todo.
6077 * tree-ssa-alias.c (updating_used_alone): New variable.
6078 (recalculate_used_alone): New function.
6079 (compute_may_aliases): Set updating_used_alone, call
6080 recalculate_used_alone.
6081 * tree-sra.c (pass_sra): Note that this pass destroys
6082 PROP_tmt_usage, and add TODO_update_tmt_usage.
6083 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6084 * tree-flow.h (updating_used_alone): Prototype.
6085 (recalculate_used_alone): Ditto.
6086 * passes.c (execute_todo): Add code to set updating_used_alone,
6087 and call recalculate.
6088 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6089 for clobber if used alone, and add assert to verify used_alone
6090 status.
6092 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6094 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6095 for non tls symbols added.
6096 (legitimize_address): Do nothing for PLUS expressions if one of the
6097 addends is a tls symbol reference.
6099 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6101 PR bootstrap/25476
6103 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6105 * Makefile.in (BOOTSTRAPPING): New.
6106 (quickstrap): New definition if BOOTSTRAPPING=yes.
6108 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6109 * configure.ac: Substitute all_selected_languages with the languages
6110 that were configured. For all the other variables except
6111 lang_specs_files, include all the languages in the tree.
6112 * configure: Regenerate.
6114 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6115 if there is one. Run the commands to run fixincludes in the same
6116 subshell.
6118 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6119 * doc/install.texi: Document exact conventions for searching target tools.
6120 Document --with-build-time-tools. Document toplevel bootstrap. Document
6121 something more about building an Ada cross-compiler. Don't list GNU Make
6122 requirements which affect all platforms.
6124 2006-02-19 Roger Sayle <roger@eyesopen.com>
6126 PR middle-end/19543
6127 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6128 only equivalent if the have both the same mode and precision.
6130 2006-02-20 Ben Elliston <bje@au.ibm.com>
6132 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6134 2006-02-19 Roger Sayle <roger@eyesopen.com>
6135 Steven Bosscher <stevenb.gcc@gmail.com>
6137 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6138 constant pool references to identify stack mode constants.
6139 * rtlanal.c (constant_pool_constant_p): New predicate to check
6140 whether operand is a floating point constant in the pool.
6141 * rtl.h (constant_pool_constant_p): Prototype here.
6142 * loop.c (scan_loop): Avoid hoisting constants from the constant
6143 pool on STACK_REGS targets.
6144 (load_mems): Likewise.
6145 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6146 loads into x87 registers expensive in terms of register pressure.
6148 2006-02-19 Roger Sayle <roger@eyesopen.com>
6150 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6151 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6153 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6155 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6156 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6158 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6160 * doc/invoke.texi: Document -fipa-pta.
6161 * common.opt: Add ipa-pta option.
6162 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6163 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6164 (do_ds_constraint): Ditto.
6165 (get_constraint_for): Only add to referenced_vars if
6166 referenced_vars exists.
6167 (insert_into_field_list): Rewrite to do this unsorted.
6168 (insert_into_field_list_sorted): Rename old insert_into_field_list
6169 to this.
6170 (create_function_info_for): Use insert_into_field_list_sorted.
6171 (create_variable_info_for): Rewrite so it uses unsorted version,
6172 since the field list is sorted.
6173 (intra_create_variable_infos): Only add to referenced_vars if
6174 referenced_vars exists.
6175 (ipa_pta_execute): Init heapvars, and delete when done.
6176 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6178 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6180 * doc/install.texi: Add missing `@samp'.
6182 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6184 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6185 Use the arguments.
6187 2006-02-18 Mark Wielaard <mark@klomp.org>
6189 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6190 who added new 4.1 features, bug fixes and integration support.
6192 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6194 PR target/26350
6195 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6196 MEM for ABI_V4 pic.
6198 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6200 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6201 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6202 (copy_insn_1): Likewise. Don't copy each field individually.
6203 Reindent.
6204 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6205 of RTX_SIZE.
6206 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6207 * rtl.c (rtx_size): Rename variable to...
6208 (rtx_code_size): ...this.
6209 (rtx_size): New function.
6210 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6211 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6212 Reindent.
6213 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6214 * rtl.h (rtx_code_size): New variable.
6215 (rtx_size): Change from a variable to a function.
6216 (RTX_SIZE): Rename to...
6217 (RTX_CODE_SIZE): ...this.
6219 PR target/9703
6220 PR tree-optimization/17106
6221 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6222 (Anchored Addresses): New section.
6223 * doc/invoke.texi (-fsection-anchors): Document.
6224 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6225 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6226 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6227 * hooks.c (hook_bool_mode_rtx_false): New function.
6228 * hooks.h (hook_bool_mode_rtx_false): Declare.
6229 * gengtype.c (create_optional_field): New function.
6230 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6231 SYMBOL_REF_IN_BLOCK_P is true.
6232 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6233 (min_anchor_offset, max_anchor_offset): Likewise.
6234 (use_anchors_for_symbol_p): New hook.
6235 * toplev.c (compile_file): Call output_object_blocks.
6236 (target_supports_section_anchors_p): New function.
6237 (process_options): Check that -fsection-anchors is only used on
6238 targets that support it and when -funit-at-a-time is in effect.
6239 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6240 if the decl doesn't have one.
6241 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6242 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6243 of force_const_mem through use_anchored_address.
6244 (expand_expr_constant): New function.
6245 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6246 calling expand_expr for INDIRECT_REF.
6247 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6248 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6249 * expr.h (use_anchored_address): Declare.
6250 * loop-unroll.c: Don't declare rtx vectors here.
6251 * explow.c: Include output.h.
6252 (validize_mem): Call use_anchored_address.
6253 (use_anchored_address): New function.
6254 * common.opt (-fsection-anchors): New switch.
6255 * varasm.c (object_block_htab, anchor_labelno): New variables.
6256 (hash_section, object_block_entry_eq, object_block_entry_hash)
6257 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6258 (use_blocks_for_decl_p, change_symbol_section): New functions.
6259 (get_variable_section): New function, split out from assemble_variable.
6260 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6261 use_blocks_for_decl_p say so. Use change_symbol_section if the
6262 symbol has already been created.
6263 (assemble_variable_contents): New function, split out from...
6264 (assemble_variable): ...here. Don't output any code for
6265 block symbols; just pass them to place_block_symbol.
6266 Use get_variable_section and assemble_variable_contents.
6267 (get_constant_alignment, get_constant_section, get_constant_size): New
6268 functions, split from output_constant_def_contents.
6269 (build_constant_desc): Create a block symbol if use_object_blocks_p
6270 says so. Or into SYMBOL_REF_FLAGS.
6271 (assemble_constant_contents): New function, split from...
6272 (output_constant_def_contents): ...here. Don't output any code
6273 for block symbols; just pass them to place_section_symbol.
6274 Use get_constant_section and get_constant_alignment.
6275 (force_const_mem): Create a block symbol if use_object_blocks_p and
6276 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6277 (output_constant_pool_1): Add an explicit alignment argument.
6278 Don't switch sections here.
6279 (output_constant_pool): Adjust call to output_constant_pool_1.
6280 Switch sections here instead. Don't output anything for block symbols;
6281 just pass them to place_block_symbol.
6282 (init_varasm_once): Initialize object_block_htab.
6283 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6284 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6285 (place_block_symbol, get_section_anchor, output_object_block)
6286 (output_object_block_htab, output_object_blocks): New functions.
6287 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6288 (TARGET_ASM_OUT): Include it.
6289 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6290 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6291 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6292 (TARGET_INITIALIZER): Include them.
6293 * rtl.c (rtl_check_failed_block_symbol): New function.
6294 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6295 (block_symbol, object_block): New structures.
6296 (rtx_def): Add a block_symbol field to the union.
6297 (BLOCK_SYMBOL_CHECK): New macro.
6298 (rtl_check_failed_block_symbol): Declare.
6299 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6300 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6301 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6302 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6303 * output.h (output_section_symbols): Declare.
6304 (object_block): Name structure.
6305 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6306 (default_use_anchors_for_symbol_p): Declare.
6307 * Makefile.in (RTL_BASE_H): Add vec.h.
6308 (explow.o): Depend on output.h.
6309 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6310 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6311 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6312 (rs6000_use_blocks_for_constant_p): New function.
6314 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6316 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6318 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6320 PR tree-opt/25680
6321 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6322 IMAGPART_EXPR.
6324 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6326 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6327 is_aliased.
6328 Update all users.
6330 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6332 PR middle-end/26334
6333 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6334 instead of DECL_REGISTER.
6336 2006-02-18 Olivier Hainque <hainque@adacore.com>
6338 PR ada/13408
6339 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6341 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6343 PR target/24837
6344 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6345 * opth-gen.awk: Handle Var and InverseMask together.
6346 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6347 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6348 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6349 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6350 used together.
6351 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6352 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6353 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6354 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6355 LINUX_DYNAMIC_LINKER): Define.
6356 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6357 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6358 TARGET_GLIBC.
6359 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6360 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6361 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6362 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6363 (TARGET_C99_FUNCTIONS): Don't define.
6364 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6365 GLIBC_DYNAMIC_LINKER.
6366 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6367 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6368 GLIBC_DYNAMIC_LINKER64): Define.
6369 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6370 LINUX_DYNAMIC_LINKER64.
6371 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6372 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6373 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6374 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6375 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6376 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6377 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6378 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6379 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6380 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6381 and LINUX_DYNAMIC_LINKER32.
6382 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6383 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6384 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6385 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6386 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6387 TARGET_GLIBC.
6388 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6389 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6390 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6391 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6392 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6393 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6394 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6395 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6396 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6397 LINUX_DYNAMIC_LINKER): Define.
6398 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6399 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6400 GLIBC_DYNAMIC_LINKER64): Define.
6401 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6402 LINUX_DYNAMIC_LINKER64.
6403 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6404 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6405 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6406 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6407 LINUX_DYNAMIC_LINKER): Define.
6408 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6409 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6410 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6411 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6412 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6413 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6414 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6415 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6416 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6417 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6418 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6419 * doc/invoke.texi (-muclibc): Remove caveat about supported
6420 targets.
6422 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6424 * doc/cpp.texi (__TIMESTAMP__): Document.
6426 2006-02-17 Roger Sayle <roger@eyesopen.com>
6428 PR middle-end/25600
6429 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6430 C is one less than the width of X (and related transformations).
6431 * simplify-rtx.c (simplify_unary_operation_1): Transform
6432 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6433 depending on STORE_FLAG_VALUE, were C is one less then the
6434 width of X.
6436 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6438 Fix PR tree-optimization/26341
6439 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6440 about NAME_MEMORY_TAG's.
6442 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6444 PR target/26255
6445 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6446 with hardware float support, and software float support. Add fcpy
6447 alternative to hardware patterns. Add alternatives to copy between
6448 general and floating-point registers to the 32-bit pattern.
6449 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6450 secondary reload to load a QI or HI mode constant into a floating
6451 point register.
6452 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6453 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6455 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6457 PR target/26272
6458 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6459 pc to the pattern.
6460 (load_macho_picbase_di): Likewise.
6462 2006-02-16 Jeff Law <law@redhat.com>
6464 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6465 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6466 (ssa_name_nonzero_p): Likewise.
6467 (get_value_range): Return NULL if VRP is not running.
6468 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6469 VRP routines do not discover a range.
6470 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6471 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6472 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6473 (tree_expr_nonnegative_p): Similarly.
6474 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6475 (restore_nonzero_vars_to_original_value): Remove.
6476 (unsafe_associative_fp_binop): Remove.
6477 (tree_ssa_dominator_optimize): Remove initialization and
6478 finalization of nonzero_vars and nonzero_vars_stack.
6479 (dom_opt_initialize_block): No longer push marker on
6480 nonzero_vars_stack.
6481 (dom_opt_finalize_block): No longer call
6482 restore_nonzero_vars_to_original_value.
6483 (record_equivalences_from_phis): No longer look for
6484 nonzero PHI arguments.
6485 (cprop_into_successor_phis): No longer propagate nonzero
6486 property into PHI arguments. Lose unused argument. Caller
6487 updated.
6488 (record_equivalences_from_stmt): No longer record nonzero
6489 values for SSA_NAMEs.
6490 (lookup_avail_expr): No longer use nonzero_vars.
6492 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6493 for sizetype when sizetype is unsigned.
6495 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6497 PR rtl-optimization/25603
6498 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6499 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6500 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6501 with new meaning of SETS.
6503 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6505 PR target/20353
6506 PR target/24578
6507 PR target/24837
6508 * config/linux.opt: New file.
6509 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6510 LINUX_DYNAMIC_LINKER): Define.
6511 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6512 * config.gcc (*-*-linux*): Define extra_options.
6513 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6514 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6515 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6516 GLIBC_DYNAMIC_LINKER.
6517 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6518 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6519 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6520 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6521 * doc/invoke.texi (GNU/Linux Options): New section.
6523 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6525 * config/sparc/sparc.md (setjmp): Rewrite.
6526 (setjmp_32): Delete.
6527 (setjmp_64): Likewise.
6529 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6531 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6532 previous change.
6534 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6536 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6537 read-write uses.
6539 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6541 PR rtl-optimization/26296
6542 * Makefile.in (loop-invariant.c): Add except.h dependency.
6543 * loop-invariant.c: Include except.h.
6544 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6546 2005-02-16 Paul Brook <paul@codesourcery.com>
6548 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6549 for reloads.
6551 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6553 PR rtl-optimization/25636
6554 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6555 when deciding whether an insn is an initializing insn.
6557 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6559 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6560 (tree_code_size): Ditto.
6561 * tree.h (struct tree_memory_tag): Remove parent_var.
6562 (struct tree_struct_field_tag): New.
6563 (SFT_OFFSET): New.
6564 (SFT_SIZE): New.
6565 (union tree_node): Add sft member.
6566 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6567 specially here.
6568 (create_sft): Add size and offset argument, set SFT_OFFSET and
6569 SFT_SIZE.
6570 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6571 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6572 * tree-flow-inline.h (get_subvar_at): Update for
6573 SFT_OFFSET/SFT_SIZE.
6574 (var_can_have_subvars): Ditto.
6575 (overlap_subvar): Ditto.
6576 * print-tree.c (print_node): Print out interesting things for
6577 SFT's.
6578 * tree-flow.h (struct subvar): Remove offset and size members.
6579 * tree-ssa-operands.c (get_expr_operands): Update for
6580 get_indirect_ref_operands changes.
6581 (get_indirect_ref_operands): Call add_virtual_operand instead of
6582 add_stmt_operand. Only recurse on base var if requested.
6583 (access_can_touch_variable): New function.
6584 (add_stmt_operand): Split virtual operand handling into ...
6585 (add_virtual_operand): Here. Add offset, size, and for_clobber
6586 arguments. Prune alias sets.
6587 (add_call_clobber_ops): Call add_virtual_operand.
6589 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6591 PR middle-end/26300
6592 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6594 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6595 than TREE_CODE as index into omp_clause_num_ops array.
6597 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6599 PR rtl-optimization/26184
6600 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6601 uses_of_defs.
6602 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6603 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6604 must_precede, must_follow and tobe_scheduled.
6606 PR other/26147
6607 * opts.c (common_handle_option): Free new_option pointer.
6608 * df-core.c (df_analyze): Free postorder pointer.
6610 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6612 * Makefile.in: Fix the examples about the use of stamps
6614 2006-02-15 Michael Matz <matz@suse.de>
6616 PR middle-end/22275
6618 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6619 influenced by maximum_field_alignment or DECL_PACKED.
6620 (update_alignment_for_field): Ditto.
6621 (place_field): Ditto.
6622 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6623 this behaviour.
6625 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6627 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6628 (debug_flow_info): Pass it.
6629 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6630 * bb-reorder.c (reorder_basic_blocks): Likewise.
6631 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6632 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6633 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6634 * gcse.c (gcse_main, bypass_jumps): Likewise.
6635 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6636 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6637 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6638 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6639 * rtl.h (dump_flow_info): Adjust prototype.
6640 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6641 * var-tracking.c (variable_tracking_main): Likewise.
6642 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6643 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6644 options.
6646 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6648 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6649 construction.
6651 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6653 PR tree-optimization/26209
6654 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6655 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6656 eh edges.
6657 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6659 2006-02-14 Roger Sayle <roger@eyesopen.com>
6661 PR middle-end/23670
6662 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6663 (X,Y) and the corresponding symmetry related transformations.
6664 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6665 (X,Y) and its symmetry related transformations.
6667 2006-02-14 Roger Sayle <roger@eyesopen.com>
6669 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6670 and GEU.
6672 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6674 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6676 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6678 PR bootstrap/26053
6679 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6680 support COMDAT group.
6681 * configure: Regenerate.
6683 2006-02-14 Roger Sayle <roger@eyesopen.com>
6685 PR middle-end/26279
6686 PR middle-end/26280
6687 PR middle-end/26283
6688 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6690 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6692 Fix PR tree-optimization/26260
6694 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6695 param.
6696 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6697 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6698 * tree-ssa-structalias.c (create_variable_info_for): Use
6699 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6701 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6703 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6704 Document.
6705 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6706 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6707 of the ending condition.
6708 * tree-ssa-loop-manip.c: Include params.h.
6709 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6710 tree_unroll_loop): New functions.
6711 * tree-pass.h (pass_loop_prefetch): Declare.
6712 * loop.c (rest_of_handle_loop_optimize): Test for
6713 -fprefetch-loop-arrays-rtl.
6714 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6715 * timevar.def (TV_TREE_PREFETCH): New timevar.
6716 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6717 pass_loop_prefetch): New.
6718 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6719 (cleanup_tree_cfg_loop): Call scev_reset.
6720 * common.opt (fprefetch-loop-arrays-rtl): Add.
6721 * tree-ssa-loop-prefetch.c: New file.
6722 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6723 (new_temp_expr_table): Initialize expr_vars.
6724 (free_temp_expr_table): Cleanup expr_vars.
6725 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6726 expressions from being merged into one.
6727 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6728 (struct tree_niter_desc): Add control, bound and cmp fields.
6729 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6730 Declare.
6731 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6732 (tree-cfgcleanup.o): Add SCEV_H dependency.
6733 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6734 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6736 2006-02-14 Richard Guenther <rguenther@suse.de>
6738 PR tree-optimization/26258
6739 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6740 in PHI argument processing.
6742 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6744 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6745 new expression in the requested machine mode.
6747 2006-02-13 Roger Sayle <roger@eyesopen.com>
6749 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6750 directly, instead let do_compare_rtx_and_jump handle this for us.
6751 * expr.c (expand_expr_real_1): Likewise.
6752 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6753 before do_jump_by_parts_greater.
6754 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6755 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6757 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6759 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6761 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6763 PR rtl-optimization/26235
6764 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6765 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6766 format.
6768 2006-02-13 Jeff Law <law@redhat.com>
6770 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6771 TRUTH_XOR_EPR.
6773 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6775 PR middle-end/26092
6776 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6777 twice if decl is a builtin. When trying again, call get_callee_fndecl
6778 first to verify it is still a builtin.
6780 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6782 * dwarf2out.c (base_type_die): Don't add AT_name here.
6783 (subrange_type_die): Don't add AT_name here.
6784 (modified_type_die): Rearrange code flow. Do add AT_name here.
6786 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6788 PR rtl-optimization/26247
6789 PR rtl-optimization/26248
6790 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6792 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6794 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6795 * config/fixtfdi.c: Likewise.
6796 * config/fixunstfdi.c: Likewise.
6797 * config/floatditf.c: Likewise.
6799 2006-02-13 Roger Sayle <roger@eyesopen.com>
6801 PR middle-end/24427
6802 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6803 into (X,C2) if C1 is a subset of the bits of C2. Transform
6804 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6805 (X&(C1&~C2))|C2.
6806 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6808 2006-02-13 Josh Conner <jconner@apple.com>
6810 PR target/25376
6811 * varasm.c (function_section): Check for section name before
6812 calling select_section on targets that define
6813 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6814 unlikely_text_section instead of hot_function_section if
6815 first_function_block_is_cold.
6817 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6819 PR middle-end/25335
6820 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6822 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6824 PR rtl-optimization/26222
6825 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6826 after tree->rtl expansion.
6827 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6828 before passing it to emit_move_insn.
6830 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6832 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6833 default.
6834 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6835 Clarify documentation.
6836 * c-common.h (warn_write_strings): Remove.
6837 * c-common.c (warn_write_strings): Likewise.
6838 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6839 default for C++.
6841 2006-02-12 Roger Sayle <roger@eyesopen.com>
6843 PR middle-end/25724
6844 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6845 (do_jump_parts_zero_rtx): New function renamed from
6846 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6847 (do_jump_parts_equality_rtx): New function split out from
6848 do_jump_parts_equality. Old implementation renamed as above.
6849 Call do_jump_parts_zero_rtx if either operand is zero.
6850 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6851 do all of the heavy lifting.
6852 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6853 calling either do_jump_by_parts_greater_rtx or
6854 do_jump_by_parts_equality_rtx.
6855 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6856 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6857 moved to do_compare_rtx_and_jump, call it directly.
6858 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6859 mode argument. Call do_compare_rtx_and_jump.
6860 (emit_case_nodes): Update calls to do_jump_if_equal.
6862 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6864 PR rtl-optimization/26225
6865 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6867 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6869 PR rtl-optimization/26232
6870 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6872 2006-02-11 Jason Merrill <jason@redhat.com>
6874 PR tree-opt/24365
6875 * tree-inline.c (declare_return_variable): Just don't use the
6876 modify target if it's a gimple complex reg and the return slot
6877 isn't.
6879 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6881 * doc/contrib.texi: Update my entry.
6883 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6885 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6887 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6889 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6890 expensive.
6892 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6894 * doc/invoke.texi (-floop-optimize2): Removed.
6895 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6896 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6897 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6898 * common.opt (floop-optimize2): Removed.
6899 (fmove-loop-invariants): Enabled by default.
6901 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6903 * tree-if-conv.c (combine_blocks): Free the result of
6904 get_loop_exit_edges.
6906 2006-02-10 Jeff Law <law@redhat.com>
6908 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6910 PR tree-optimization/26213
6911 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6912 loop trying to follow SSA_NAME_VALUE chains.
6914 2006-02-10 Richard Guenther <rguenther@suse.de>
6916 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6917 deal with structures that end in implicitly variable sized arrays.
6919 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6921 PR rtl-optimization/24762
6922 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6923 eh edges.
6925 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6927 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6928 (struct ivopts_data): Add regs_used field.
6929 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6930 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6931 instead of loop_data->regs_used;
6932 (free_loop_data): Do not free aux fields for loops.
6933 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6934 and tree_ssa_iv_optimize_finalize.
6936 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6938 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6940 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6942 PR target/26141
6943 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6944 computing the effective result type.
6946 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6948 PR inline-asm/16194
6949 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6950 (tree_overlaps_hard_reg_set): Declare.
6951 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6952 type and signature to match function type expected by walk_tree.
6953 (tree_overlaps_hard_reg_set): New function.
6954 (decl_conflicts_with_clobbers_p): Rename to:
6955 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6956 Use tree_overlaps_hard_reg_set. Changed caller.
6957 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6958 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6959 * cris.c (cris_md_asm_clobbers): Likewise.
6961 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6963 * reload1.c (emit_input_reload_insns): Delete code that tries to
6964 inherit using find_equiv_reg.
6966 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6968 * c-common.h (flag_const_strings): Don't declare.
6969 * c-common.c (flag_const_strings): Remove.
6970 * c.opt (fconst_strings): Remove.
6971 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6972 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6973 (c_common_init_options): Don't set flag_const_strings.
6974 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6976 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6978 * arm.md (tlobits_cbranch): New pattern.
6979 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6980 testing a single bit.
6982 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6984 PR tree-opt/26179
6985 * tree-ssa-pre.c (create_component_ref_by_pieces):
6986 Handle RETURN_DECL like VAR_DECL.
6988 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6990 PR middle-end/26134
6991 * fold-const.c (fold_indirect_ref_1): Fold
6992 "*(foo *)&complexfoo" to "__real__ complexfoo"
6993 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6995 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6997 * tree-flow-inline.h (var_can_have_subvars):
6998 Volatile variables should not have subvariables.
7000 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7002 PR 26180
7003 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7004 multiplying unsigned values.
7005 Tidy comments.
7007 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7009 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7011 2006-02-08 Jason Merrill <jason@redhat.com>
7013 PR c++/25979
7014 * tree.def: Elaborate on difference from MODIFY_EXPR.
7015 * doc/c-tree.texi (INIT_EXPR): Likewise.
7016 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7017 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7018 (gimplify_target_expr): Likewise.
7019 (gimplify_cond_expr): Remove target handling.
7020 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7021 (gimplify_expr): Clobber it here.
7022 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7023 Do return slot optimization if we have an INIT_EXPR.
7025 PR tree-opt/24365
7026 * tree-inline.c (declare_return_variable): Also clear
7027 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7029 PR c++/16405
7030 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7032 PR middle-end/22439
7033 * gimplify.c (gimplify_one_sizepos): Fix typo.
7035 2006-02-08 Jeff Law <law@redhat.com>
7037 PR tree-optimization/21417
7038 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7039 across a backedge if the control statement at the end of the
7040 block is data dependent on other statements in the same block.
7041 (record_temporary_equivalences_from_stmts): Remove over-conservative
7042 test for threading across backedges.
7044 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7045 control statement, handle all three special cases in the same
7046 manner as they all have the same desired solution. No longer
7047 special case edge flag updating when the post dominator is
7048 the exit block.
7050 2006-02-08 Roger Sayle <roger@eyesopen.com>
7052 * tree.def (CHAR_TYPE): Remove.
7053 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7054 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7055 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7056 (gen_string_type_die): Delete unreachable function.
7058 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7059 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7060 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7061 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7062 * builtins.c (type_to_class): Likewise.
7063 * fold-const.c (fold_convert, build_range_check,
7064 merge_ranges): Likewise.
7065 * expr.c (count_type_elements): Likewise.
7066 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7067 * stor-layout.c (layout_type): Likewise.
7068 * ipa-type-escape.c (type_to_consider): Likewise.
7069 * gimplify.c (omp_firstprivatize_type_sizes,
7070 gimplify_type_sizes): Likewise.
7071 * explow.c (promote_mode): Likewise.
7072 * tree-sra.c (is_sra_scalar_type): Likewise.
7073 * varasm.c (output_constant): Likewise.
7074 * tree-inline.c (remap_type_1): Likewise.
7075 * convert.c (convert_to_pointer, convert_to_real,
7076 convert_to_integer, convert_to_complex): Likewise.
7078 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7080 * df-scan.c (df_def_record_1): A set destination may
7081 be a parallel regardless of mode.
7083 2006-02-08 Roger Sayle <roger@eyesopen.com>
7085 PR target/22209
7086 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7087 * config/mips/_tilib.c: Remove.
7088 * config/fixtfdi.c: New libgcc source file.
7089 * config/fixunstfdi.c: New source file.
7090 * config/floatditf.c: New source file.
7091 * config/floatunditf.c: New souce file.
7092 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7093 files above instead of config/mips/_tilib.c.
7094 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7096 2006-02-08 Jeff Law <law@redhat.com>
7098 PR tree-optimization/26169
7099 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7100 threading jumps.
7102 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7104 * df.h (DF_REG_SIZE): Return the length of the initialized
7105 part of the array.
7107 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7109 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7110 __muldf3): Return a correctly signed zero.
7112 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7114 * passes.c (register_one_dump_file): Accept the current properties
7115 instead of pass number. Adjust call to dump_register. Remove
7116 duplicated code.
7117 (register_dump_files): Now a wrapper around...
7118 (register_dump_files_1): ... this one. Do not modify the pass
7119 structure.
7120 (next_pass_1): Cosmetic fix.
7121 (execute_todo): Keep second parameter only. Use curr_properties
7122 instead of fetching it from the pass structure. Check and set
7123 last_verified.
7124 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7125 instead of fetching it from the pass structure. Fix calls to
7126 execute_todo. Update curr_properties and initialize .vcg RTL dump
7127 after running the pass. Reset last_verified.
7128 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7129 at the beginning.
7130 (FIRST_AUTO_NUMBERED_DUMP): New.
7131 (dump_register): Remove "num" parameter, assign it within the
7132 function.
7133 (get_dump_file_name): Modify template for dumps.
7134 * tree-dump.h (dump_register): Adjust prototype.
7135 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7136 (PROP_trees): Add PROP_gimple_lomp.
7137 (TODO_set_props): New.
7138 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7139 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7140 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7142 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7144 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7145 (sparc64-*-linux*): Likewise.
7146 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7147 * config/sparc/t-linux: New file.
7148 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7149 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7150 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7151 -m32 -mlong-double-128.
7153 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7154 * config/alpha/t-linux: New file.
7155 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7157 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7158 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7159 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7160 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7161 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7162 (CPP_ARCH32_SPEC): Remove.
7164 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7166 PR tree-optimization/26145
7167 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7168 bbs pointer.
7170 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7172 PR target/26109
7173 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7174 >= 240000 when generating code for SOM runtime.
7175 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7176 to $$dyncall when generating code for SOM runtime..
7178 2006-02-07 Dirk Mueller <dmueller@suse.com>
7180 PR c++/18150
7181 * doc/invoke.texi (-Wsequence-point): Update documentation
7182 that -Wsequence-point is implemented for C++ as well.
7184 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7186 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7187 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7188 (LIB_SPEC): Likewise.
7189 * doc/invoke.texi (SPARC options): Document -pthread.
7191 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7193 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7194 PIC addresses.
7196 2006-02-07 Roger Sayle <roger@eyesopen.com>
7198 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7199 Correct comment describing BOOLEAN_TYPE.
7201 2006-02-07 Dirk Mueller <dmueller@suse.com>
7203 * c.opt: C++ frontend supports -Wdiv-by-zero.
7204 * c-opts.c (c_common_handle_option): Remove dead case.
7206 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7208 * configure.ac (TLS assembler check): Do not enable TLS by
7209 default on SPARC/Solaris before version 10.
7210 * configure: Regenerate.
7212 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7214 * doc/invoke.texi (xl-compat): Document conversion and support
7215 routine names.
7217 2006-02-07 Jeff Law <law@redhat.com>
7219 * tree-vrp.c (find_conditional_asserts): Update comments.
7220 (simplify_stmt_for_jump_threading): New.
7221 (identify_jump_threads, finalize_jump_threads): New.
7222 (vrp_finalize): Call identify_jump_threads.
7223 (execute_vrp): Call finalize_jump_threads.
7224 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7225 (vrp_element, vrp_data, vrp_element_p): Remove.
7226 (vrp_hash_elt, vrp_variables_stack): Remove.
7227 (vrp_hash, vrp_eq, record_range): Remove.
7228 (simplify_cond_and_lookup_avail_expr): Remove.
7229 (extract_range_from_cond): Remove.
7230 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7231 (simplify_stmt_for_jump_threading): New.
7232 (dom_thread_across_edge): New wrapper.
7233 (tree_ssa_dominator_optimize): No longer initialize or
7234 finalize any of the VRP datastructures. Remove iteration
7235 step and simplify as a result of removal of iteration step.
7236 (pass_dominator): Perform a cfg cleanup after DOM.
7237 (dom_opt_finalize_block): Use the new common routines
7238 for threading jumps. Simplify stack management slightly.
7239 No longer need to unwind VRP state.
7240 (record_equivalences_from_incoming_edge): No longer record
7241 VRP information.
7242 (eliminate_redundant_computations): No longer call
7243 simplify_cond_and_lookup_avail_expr.
7244 * tree-flow.h (potentially_threadable_block): Prototype.
7245 (thread_across_edge): Likewise.
7246 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7247 (tree-ssa-threadedge.o): Add dependencies.
7248 * tree-ssa-threadedge.c: New file.
7249 * passes.c (init_optimization_passes): Merge PHIs before
7250 calling VRP. Run VRP again late in the SSA optimization pipeline.
7252 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7254 * df-core.c (df_set_blocks): Do not dereference function pointers.
7255 (df_finish1): Likewise.
7256 (df_hybrid_search_forward): Likewise.
7257 (df_hybrid_search_backward): Likewise.
7258 (df_iterative_dataflow): Likewise.
7259 (df_analyze_problem): Likewise.
7260 (df_compact_blocks): Likewise.
7261 (df_dump): Likewise.
7262 * df-scan.c (df_rescan_blocks): Likewise.
7263 (df_record_entry_block_defs): Likewise.
7265 * genconditions.c (write_conditions): Guard the definition of
7266 'insn_conditions' with the check on GCC version.
7267 (write_writer): Guard the traversal 'insn_conditions' with
7268 the check on GCC version.
7270 2006-02-07 Richard Guenther <rguenther@suse.de>
7272 PR c++/26140
7273 Revert
7274 2006-01-30 Richard Guenther <rguenther@suse.de>
7275 PR c++/23372
7276 * gimplify.c (gimplify_target_expr): Handle easy cases
7277 without creating a temporary.
7279 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7281 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7282 use of float in probability computations. Use edge probabilities
7283 in place of statically computed probabilities.
7284 (min_spec_prob): New static variable.
7285 (schedule_insns): Initialize it.
7286 (GET_SRC_PROB): Removed.
7287 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7289 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7291 PR debug/24444
7292 * config/ia64/unwind-ia64.c: Revert last change.
7293 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7294 (INCOMING_FRAME_SP_OFFSET): Define.
7296 2006-02-06 Roger Sayle <roger@eyesopen.com>
7298 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7300 2006-02-07 Ben Elliston <bje@au.ibm.com>
7302 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7303 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7304 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7305 (ix86_return_in_memory): Handle TDmode.
7306 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7307 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7309 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7311 * reorg.c (dbr_schedule): Use dump_file instead of file.
7313 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7315 PR target/25917
7316 * config/ia64/predicates.md (extr_len_operand): New predicate.
7317 * config/ia64/ia64.md (extv): Tighten constraints.
7318 (extzv): Ditto.
7319 (*tbit_and_2): Ditto.
7320 (*tbit_and_3): Ditto.
7321 (*tbit_or_2): Ditto.
7322 (*tbit_or_3): Ditto.
7323 (*bit_zero): Ditto.
7324 (*bit_one): Ditto.
7326 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7328 PR target/23359
7329 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7331 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7333 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7334 loop_optimizer_init and loop_optimizer_finalize
7335 * tree-ssa-sink.c (execute_sink_code): Ditto.
7336 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7337 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7338 tree_ssa_loop_done): Ditto.
7339 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7340 * sched-ebb.c: Include output.h.
7341 (schedule_ebbs): Do not use dump argument.
7342 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7343 * loop.c (loop_dump_stream): Removed.
7344 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7345 argument.
7346 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7347 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7348 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7349 loop_iterations, strength_reduce, record_biv, record_giv,
7350 final_giv_value, check_final_value, check_ext_dependent_givs,
7351 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7352 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7353 dump_file instead of loop_dump_stream.
7354 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7355 argument dump_file.
7356 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7357 dump argument.
7358 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7359 * haifa-sched.c: Include output.h
7360 (schedule_insns, sched_init): Do not use dump argument.
7361 * mode-switching.c (optimize_mode_switching): Ditto.
7362 * modulo-sched.c (stats_file): Removed.
7363 (print_node_sched_params): Do not call argument dump_file.
7364 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7365 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7366 of stats_file.
7367 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7368 use dump argument.
7369 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7370 rtl_loop_init, rtl_loop_done): Ditto.
7371 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7372 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7373 Ditto.
7374 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7375 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7376 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7377 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7378 * emit-rtl.c (renumber_insns): Ditto.
7379 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7380 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7381 * regclass.c (regclass): Ditto.
7382 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7383 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7384 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7385 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7386 Ditto.
7387 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7388 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7389 to regclass.
7390 * gcse.c (gcse_file, debug_stderr): Removed.
7391 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7392 rest_of_handle_gcse): Do not use dump argument.
7393 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7394 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7395 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7396 compute_code_hoist_vbeinout, compute_code_hoist_data,
7397 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7398 compute_store_table, build_store_vectors, insert_insn_start_bb,
7399 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7400 store_motion): Use dump_file instead of gcse_file.
7401 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7402 * profile.c (profile_dump_file): Removed.
7403 (branch_prob): Use dump_file instead of profile_dump_file.
7404 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7405 dump_file.
7406 * tree-ssa-copy.c (dump_copy_of): Ditto.
7407 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7408 dump file to life_analysis.
7409 * bt-load.c (branch_target_load_optimize): Ditto.
7410 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7411 renumber_insns.
7412 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7413 regclass, dbr_schedule): Declaration changed.
7414 * sched-int.h (sched_init): Declaration changed.
7415 * tree-profile.c (tree_profile_dump_file): Removed.
7416 (tree_profile_hooks): Removed profile_dump_file hook.
7417 * rtl-profile (rtl_profile_dump_file): Removed.
7418 (rtl_profile_hooks): emoved profile_dump_file hook.
7419 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7420 changed.
7421 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7422 * tree-cfg.c (build_tree_cfg): Ditto.
7423 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7424 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7425 Declaration changed.
7426 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7427 life_analysis and schedule_insns.
7428 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7429 life_analysis.
7430 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7431 dbr_schedule.
7432 * config/mips/mips.c (mips_reorg): Ditto.
7433 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7434 schedule_ebbs.
7436 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7438 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7439 (s390_mangle_fundamental_type): New.
7440 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7441 Define.
7443 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7444 (alpha_mangle_fundamental_type): New.
7445 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7446 Define.
7448 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7449 Define.
7450 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7451 Define.
7452 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7453 (sparc_mangle_fundamental_type): New.
7455 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7457 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7458 (s390x-*-linux*): Likewise.
7459 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7460 * config/s390/t-linux: New file.
7462 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7464 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7465 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7467 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7469 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7470 (ANTIC_SAFE_LOADS): New macro.
7471 (find_or_generate_expression): Add prototype.
7472 (set_contains_value): Allow null set for sake of not always having
7473 to allocate ANTIC_SAFE_LOADS.
7474 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7475 Allow COMPONENT_REF too.
7476 (valid_in_set): Allow COMPONENT_REF.
7477 Check ANTIC_SAFE_LOADS too.
7478 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7479 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7480 rename.
7481 (can_PRE_operation): Add COMPONENT_REF.
7482 (create_component_ref_by_pieces): New function.
7483 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7484 (insert_aux): Move AGGREGATE_TYPE_P check here.
7485 (compute_avail): Set bb local stmt uids.
7486 (pass_pre): Use TODO_update_ssa_only_virtuals.
7488 2006-02-06 Ben Elliston <bje@au.ibm.com>
7490 * configure.ac: Unconditionally disable decimal float by default.
7491 * configure: Regenerate.
7493 2006-02-06 Ben Elliston <bje@au.ibm.com>
7495 * read-rtl.c (read_name): Terminate reading on EOF.
7497 2006-02-06 Ben Elliston <bje@au.ibm.com>
7499 * dfp.c (decimal_real_arithmetic): Change second argument type
7500 from int to enum tree_code. Do not always return true, but now
7501 return result of any call to decimal_do helper functions.
7502 * dfp.h (decimal_real_arithmetic): Update prototype.
7504 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7506 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7508 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7510 PR tree-opt/25251
7511 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7512 forced labels.
7514 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7516 * tree-vrp.c (cfg_loops): Removed.
7517 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7518 Use current_loops instead of cfg_loops. Pass flags to
7519 loop_optimizer_init.
7520 * cfgloopmanip.c (fix_loop_structure): Update only available
7521 information.
7522 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7523 loop_optimizer_init.
7524 * modulo-sched.c (build_loops_structure): Removed.
7525 (sms_schedule): Use loop_optimizer_init.
7526 * loop-init.c (loop_optimizer_init): Use flags to determine
7527 which properties of loops to prepare.
7528 (rtl_loop_init): Pass flags to loop_optimizer_init.
7529 * tree-ssa-sink.c (execute_sink_code): Ditto.
7530 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7531 * tree-ssa-pre.c (init_pre): Ditto.
7532 * cfgloop.h (LOOPS_NORMAL): New.
7533 (loop_optimizer_init): Declaration changed.
7535 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7537 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7538 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7539 pa/t-pa.
7540 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7541 pa/t-pa.
7542 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7543 pa/x-ada.
7544 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7545 * pa/t-pa64: Delete quadlib.c rule.
7546 * pa/x-ada: Revert last change.
7547 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7549 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7551 PR rtl-optimization/26087
7552 * rtlanal.c (canonicalize_condition): Do not cross basic block
7553 boundaries.
7555 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7557 PR debug/24444
7558 * config/ia64/ia64.c: Include debug.h.
7559 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7560 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7561 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7562 (process_epilogue, process_set, process_for_unwind_directive):
7563 Output unwind info only if requested. Add CFA info if requested.
7564 Add new arguments as needed. Adjust callers.
7565 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7566 incorrect default.
7567 (DWARF2_FRAME_INFO): Define to zero.
7568 * config/ia64/unwind-ia64.c: Remove code that compensated for
7569 the CFA offset error fixed above.
7570 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7571 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7572 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7573 -funwind-tables and -fexceptions to enable frame info.
7574 (dwarf2out_frame_init): Define initial CFA even if
7575 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7576 DWARF2_UNWIND_INFO is nonzero, not just defined.
7577 (dwarf2out_frame_finish): Output non-EH call frame info only
7578 if DWARF2_FRAME_INFO is nonzero.
7579 (convert_cfa_to_loc_list,
7580 compute_frame_pointer_to_cfa_displacement): Define even if
7581 unwind info is not supported.
7582 (gen_subprogram_die): Use the above unconditionally. Remove
7583 legacy alternate code.
7584 * toplev.c (compile_file): Compile in call to
7585 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7586 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7588 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7589 Jakub Jelinek <jakub@redhat.com>
7591 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7592 IBM extended float format long double as "g" on powerpc*-linux.
7594 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7596 PR target/25926
7597 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7598 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7600 2006-02-03 Jason Merrill <jason@redhat.com>
7602 PR c++/25979
7603 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7605 PR middle-end/25977
7606 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7607 on the return slot if it's an NRV.
7609 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7611 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7612 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7613 rewrite_use): Do not handle USE_OUTER.
7614 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7615 add_iv_outer_candidates, may_replace_final_value,
7616 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7617 (find_interesting_uses_op): Functionality of
7618 find_interesting_uses_outer_or_nonlin moved here.
7619 (find_interesting_uses_outside): Use find_interesting_uses_op.
7621 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7623 PR target/25960
7624 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7626 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7627 Ulrich Weigand <uweigand@de.ibm.com>
7629 PR target/25864
7630 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7631 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7632 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7633 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7634 and dxr fields.
7635 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7636 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7637 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7638 Define secondary reloads for TFmode moves.
7639 (constant_modes): Add TFmode.
7640 (NR_C_MODES): Set to 8.
7641 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7642 builtin define.
7643 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7644 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7645 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7646 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7647 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7648 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7649 (FPR mode macro): Add TFmode.
7650 (DSF mode macro): New.
7651 (<de>, <dee> mode attributes): Removed.
7652 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7653 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7654 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7655 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7656 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7657 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7658 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7659 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7660 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7661 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7662 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7663 "*negabs<mode>2", "sqrt<mode>2"):
7664 Changed <de> to <xde>. R constraint replaced by <Rf>.
7665 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7666 <Rf>.
7667 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7668 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7669 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7670 splitters.
7671 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7672 "extenddftf2", "extendsftf2"): New expanders.
7673 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7674 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7675 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7676 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7677 New options.
7678 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7679 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7680 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7681 __floatditf): Add a GCC_4.1.0 symbol version tag.
7682 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7683 the new options.
7685 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7687 PR target/25377
7688 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7689 Use targetm.binds_local_p instead of TREE_PUBLIC.
7691 2006-02-02 Roger Sayle <roger@eyesopen.com>
7693 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7694 on INTEGER_TYPEs to indicate that it denotes a character type.
7695 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7696 signed_char_type_node, unsigned_char_type_node and char_type_node.
7697 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7698 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7699 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7701 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7702 Daniel Berlin <dberlin@dberlin.org>
7704 * tree-tailcall.c (arg_needs_copy_p): New function.
7705 (eliminate_tail_call): Use arg_needs_copy_p.
7706 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7707 (add_virtual_phis): New function.
7709 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7711 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7712 #ignore instead of #scratch for %g7 .register directive.
7714 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7716 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7717 object files.
7719 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7721 * flow.c (calculate_global_regs_live): Assert that there aren't any
7722 EDGE_FAKE edges.
7724 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7726 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7727 what its name says.
7728 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7729 bsi_after_labels iterator.
7730 * tree-if-conv.c (find_phi_replacement_condition,
7731 replace_phi_with_cond_modify_expr): Likewise.
7732 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7733 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7735 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7737 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7739 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7741 PR 25990
7742 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7743 array after growing it.
7745 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7747 PR middle-end/24901
7748 * fold-const.c (fold_checksum_tree): Change type of buf.
7750 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7752 * reload.c (push_secondary_reload): Initialize t_icode.
7754 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7756 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7757 -msoft-float -mlong-double-128 only issue a warning, but don't
7758 swich to DFmode long double.
7760 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7762 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7763 has a constant equivalent, iterate over equivalents for arg0,
7764 calling simplify_relational_operation and if there's a result
7765 cheaper than X, apply fold_rtx and return the result.
7767 2006-02-01 Jan Hubicka <jh@suse.cz>
7769 * opts.c (no_unit_at_a_time_default): New global variable.
7770 (decode_options): Use it.
7771 * opts.h (no_unit_at_a_time_default): Declare.
7773 2006-02-01 Paul Brook <paul@codesourcery.com>
7775 * function.c (assign_parm_setup_reg): Use function argument promotion
7776 rules.
7777 * expr.c (expand_expr_real_1): Use function argument promotion rules
7778 for PARM_DECLs.
7780 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7782 * gcc.c (process_command): Change j to 'unsigned int'.
7784 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7786 PR middle-end/26001
7787 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7788 Use the corrected index for the character
7789 out of the string constant.
7791 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7793 * mode-switching.c (optimize_mode_switching): Fix size
7794 allocated for bb_info[n_entities].
7796 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7798 * gcc.c (main): Correct type that is allocated for
7799 explicit_link_files.
7801 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7803 * config/s390/s390.c (init_alignment_context): Set
7804 ALIAS_SET_MEMORY_BARRIER on the MEM.
7805 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7807 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7809 PR middle-end/25933
7810 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7811 dom_bbs pointer.
7812 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7813 call to tpa_init.
7815 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7817 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7818 * regrename.c: Ditto.
7819 * tree-ssa-loop-im.c: Ditto.
7820 * tree-dump.c: Ditto.
7821 * tree-complex.c: Ditto.
7822 * genrecog.c: Ditto.
7823 * tree-ssa-threadupdate.c: Ditto.
7824 * tracer.c: Ditto.
7825 * java/class.c: Ditto.
7826 * java/jcf-parse.c: Ditto.
7827 * java/resource.c: Ditto.
7828 * java/except.c: Ditto.
7829 * java/jvspec.c: Ditto.
7830 * java/jcf-write.c: Ditto.
7831 * java/jcf-path.c: Ditto.
7832 * java/gjavah.c: Ditto.
7833 * java/zextract.c: Ditto.
7834 * java/jcf-io.c: Ditto.
7835 * java/jcf.h: Ditto.
7836 * java/buffer.c: Ditto.
7837 * java/lang.c: Ditto.
7838 * java/parse-scan.y: Ditto.
7839 * java/lex.c: Ditto.
7840 * java/lex.h: Ditto.
7841 * cfgloopmanip.c: Ditto.
7842 * postreload-gcse.c: Ditto.
7843 * tree-ssa-loop-manip.c: Ditto.
7844 * postreload.c: Ditto.
7845 * tree-ssa-loop-ch.c: Ditto.
7846 * loop.c: Ditto.
7847 * ipa-cp.c: Ditto.
7848 * cppspec.c: Ditto.
7849 * diagnostic.c: Ditto.
7850 * final.c: Ditto.
7851 * genoutput.c: Ditto.
7852 * gcc.c: Ditto.
7853 * cfghooks.c: Ditto.
7854 * cfgloopanal.c: Ditto.
7855 * objc/objc-act.c: Ditto.
7856 * gcov.c: Ditto.
7857 * genextract.c: Ditto.
7858 * genautomata.c: Ditto.
7859 * pretty-print.c: Ditto.
7860 * genemit.c: Ditto.
7861 * cgraphunit.c: Ditto.
7862 * flow.c: Ditto.
7863 * df-scan.c: Ditto.
7864 * haifa-sched.c: Ditto.
7865 * dominance.c: Ditto.
7866 * dbxout.c: Ditto.
7867 * tree-ssa-loop-ivopts.c: Ditto.
7868 * df-core.c: Ditto.
7869 * mode-switching.c: Ditto.
7870 * modulo-sched.c: Ditto.
7871 * graph.c: Ditto.
7872 * ipa-pure-const.c: Ditto.
7873 * cse.c: Ditto.
7874 * fix-header.c: Ditto.
7875 * web.c: Ditto.
7876 * tree-stdarg.c: Ditto.
7877 * ipa-utils.c: Ditto.
7878 * loop-init.c: Ditto.
7879 * ipa-inline.c: Ditto.
7880 * cfganal.c: Ditto.
7881 * global.c: Ditto.
7882 * alloc-pool.c: Ditto.
7883 * dwarf2out.c: Ditto.
7884 * opts.c: Ditto.
7885 * genattrtab.c: Ditto.
7886 * tree-ssa-loop-ivcanon.c: Ditto.
7887 * predict.c: Ditto.
7888 * timevar.c: Ditto.
7889 * lcm.c: Ditto.
7890 * fortran/gfortranspec.c: Ditto.
7891 * regmove.c: Ditto.
7892 * local-alloc.c: Ditto.
7893 * langhooks.c: Ditto.
7894 * function.c: Ditto.
7895 * tree-vectorizer.c: Ditto.
7896 * gcse.c: Ditto.
7897 * ipa-type-escape.c: Ditto.
7898 * alias.c: Ditto.
7899 * tree-if-conv.c: Ditto.
7900 * profile.c: Ditto.
7901 * ipa.c: Ditto.
7902 * tree-data-ref.c: Ditto.
7903 * loop-unroll.c: Ditto.
7904 * treelang/treetree.c: Ditto.
7905 * calls.c: Ditto.
7906 * bt-load.c: Ditto.
7907 * ggc-common.c: Ditto.
7908 * except.c: Ditto.
7909 * coverage.c: Ditto.
7910 * cselib.c: Ditto.
7911 * tree-cfgcleanup.c: Ditto.
7912 * tree-ssa-pre.c: Ditto.
7913 * cfgcleanup.c: Ditto.
7914 * loop-invariant.c: Ditto.
7915 * loop-iv.c: Ditto.
7916 * ipa-prop.c: Ditto.
7917 * print-tree.c: Ditto.
7918 * conflict.c: Ditto.
7919 * ggc-page.c: Ditto.
7920 * sched-deps.c: Ditto.
7921 * regclass.c: Ditto.
7922 * tree-object-size.c: Ditto.
7923 * combine.c: Ditto.
7924 * bb-reorder.c: Ditto.
7925 * resource.c: Ditto.
7926 * var-tracking.c: Ditto.
7927 * cfgloop.c: Ditto.
7928 * df-problems.c: Ditto.
7929 * reg-stack.c: Ditto.
7930 * tlink.c: Ditto.
7931 * gccspec.c: Ditto.
7932 * sched-rgn.c: Ditto.
7933 * tree-ssa-structalias.c: Ditto.
7934 * tree-ssa-reassoc.c: Ditto.
7935 * config/darwin-c.c: Ditto.
7936 * config/darwin.c: Ditto.
7937 * config/arm/arm.c: Ditto.
7938 * cfgrtl.c: Ditto.
7939 * collect2.c: Ditto.
7940 * reload1.c: Ditto.
7942 2006-01-31 Nicolas Pitre <nico@cam.org>
7944 * arm.md (smaxsi3): Make aware of smax_m1.
7945 (smax_m1): New.
7947 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7949 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
7951 2006-01-31 Richard Guenther <rguenther@suse.de>
7953 * doc/invoke.texi (-msselibm): Document.
7954 * target.h (expand_library_builtin): New target hook.
7955 * builtins.c (expand_builtin): Use expand_library_builtin.
7956 (default_expand_library_builtin): New function.
7957 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7958 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7959 (link_gcc_math_spec): Declare.
7960 (static_specs): Add link_gcc_math_spec.
7961 * expr.h (default_expand_library_builtin): Declare.
7962 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7963 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7964 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7965 * config/i386/i386.opt (msselibm): New target option.
7966 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7967 (ix86_init_sse_abi_builtins): New function.
7968 (ix86_expand_library_builtin): Likewise.
7969 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7970 (override_options): Handle error conditions wrt -msselibm.
7971 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7972 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7973 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7974 builtins.
7976 2006-01-31 Richard Guenther <rguenther@suse.de>
7977 Paolo Bonzini <bonzini@gnu.org>
7979 * doc/install.texi (--disable-libgcc-math): Document.
7981 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7983 * expr.h (expand_normal): new inline function.
7984 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7985 * dojump.c: use it.
7986 * dwarf2out.c: use it.
7987 * expr.c: use it.
7988 * calls.c: use it.
7989 * expmed.c: use it.
7990 * except.c: use it.
7991 * config/sparc/sparc.c: use it.
7992 * config/i386/i386.c: use it.
7993 * config/rs6000/rs6000.c: use it.
7994 * config/arm/arm.c: use it.
7995 * config/mips/mips.c: use it.
7996 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7998 2006-01-30 Roger Sayle <roger@eyesopen.com>
8000 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8001 argv to the appropriate type.
8003 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8005 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8006 unreachable code.
8008 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8010 PR target/26018
8011 * config/s390/s390.c (struct machine_function): New flag
8012 decomposed_literal_pool_addresses_ok_p.
8013 (s390_reorg): Set it before final stage of literal pool transforms.
8014 (s390_decompose_address): Only accept displacements of the form
8015 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8017 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8019 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8020 the comparison routine return.
8022 2006-01-30 Michael Matz <matz@suse.de>
8024 * global.c (find_reg): Only evict for global regs.
8025 Take n_refs into account and dump more info.
8027 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8029 PR target/14798:
8030 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8031 (pragma_trap, pragma_nosave_low_regs): Likewise.
8032 (current_function_anonymous_args): Likewise.
8033 (sh_deferred_function_attributes): New variable.
8034 (sh_deferred_function_attributes_tail): Likewise.
8035 (print_operand): For '@', look up trap_exit attribute.
8036 (calc_live_regs): Look up trapa_handler attribute. For trapa
8037 handlers, save/restore fpscr, but don't do any other
8038 interrupt-specific saves.
8039 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8040 Fix check for partially saved registers to check for SHmedia.
8041 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8042 (sh_output_function_epilogue): Don't clear any of the removed
8043 variables.
8044 (sh_insert_attributes): Don't check pragma_interrupt.
8045 Insert deferred attributes. Check that interrupt attribute is
8046 present for other attributes that require its presence.
8047 (sh_attribute_table): Add new attributes trapa_handler and
8048 nosave_low_regs.
8049 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8050 Don't check for pragma_interrupt. Don't store argument.
8051 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8052 (sh_deferred_function_attributes): Declare.
8053 (sh_deferred_function_attributes_tail): Likewise.
8054 * sh.md (sp_switch_1): Add operand. Change generator caller.
8055 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8056 (*return_i): Don't use when trap_exit attribute is in effect.
8057 (*return_trapa): New insn pattern.
8058 * sh-c.c: New file.
8059 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8060 setting c_target_objs and cxx_target_objs.
8061 * t-sh: Add rule for sh-c.o.
8063 2006-01-30 Richard Guenther <rguenther@suse.de>
8065 PR c++/23372
8066 * gimplify.c (gimplify_target_expr): Handle easy cases
8067 without creating a temporary.
8069 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8071 * vec.h (safe_grow): Remove duplicated line.
8073 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8075 PR 25874
8076 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8077 (expand_omp): ... here.
8078 (expand_omp_parallel): Only remove barriers for combined
8079 parallel+workshare constructs.
8081 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8083 Revert
8085 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8086 * tree.c (build_qualified_type): Chain the new type to the original
8087 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8088 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8089 (build_pointer_type_for_mode): Only return unqualified types.
8090 (build_reference_type_for_mode): Likewise.
8092 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8094 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8095 * Makefile.in (CXX_COMPAT_WARN): Define.
8096 * configure: Regenerate.
8098 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8100 PR tree-opt/25911
8101 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8102 to an if check.
8104 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8106 * toplev.c: Fix thinko.
8108 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8109 Marcin Dalecki <martin@dalecki.de>
8111 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8112 (push_srcloc): Use XNEW.
8113 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8115 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8117 * df-core.c (df_set_blocks): Deleted all variable.
8119 2006-01-28 Ian Lance Taylor <ian@airs.com>
8121 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8122 cgraph_output_pending_asms.
8124 2006-01-28 Zack Weinberg <zackw@panix.com>
8126 * c.opt: Add -W(no-)overlength-strings.
8127 * doc/invoke.texi: Document it.
8128 * c-opts.c (c_common_handle_option): -pedantic implies
8129 -Woverlength-strings, if not explicitly disabled already.
8130 (c_common_post_options): -Woverlength-strings defaults to off, and
8131 is always off for C++.
8132 * c-common.c (fix_string_type): Issue warning about strings longer
8133 than is portable only if warn_overlength_strings. Rearrange code
8134 a little for clarity.
8135 * configure.in: Check for -Wno-overlength-strings as well before
8136 enabling -pedantic in stage 1.
8137 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8138 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8140 * genconditions.c (write_header, write_one_condition)
8141 (write_conditions, write_writer): Consolidate very long strings
8142 that were broken up to fit in C89 portable limit. Don't use
8143 printf when fputs will do.
8145 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8147 * combine.c (simplify_comparison <AND>): Check
8148 TRULY_NOOP_TRUNCATION before start using a subreg.
8150 * config/mips/mips.md (*branch_zero<mode>,
8151 *branch_zero<mode>_inverted, *branch_equality<mode>,
8152 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8153 Remove mode check from comparisons.
8155 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8157 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8159 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8161 * expmed.c (const_mult_add_overflow_p): Remove.
8162 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8164 * recog.c (validate_replace_rtx_subexp): Remove.
8165 * recog.h: Remove the prototype for
8166 validate_replace_rtx_subexp.
8168 * integrate.h: Remove the prototype for
8169 copy_decl_for_inlining.
8170 * rtl.h: Remove the prototype for mark_constant_function.
8171 * tree-vectorizer.h: Remove the prototype for
8172 vect_strip_conversion.
8174 * modulo-sched.c (create_partial_schedule,
8175 free_partial_schedule, reset_partial_schedule): Make them
8176 static.
8178 * hooks.c (hook_bool_rtx_int_false): Remove.
8179 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8181 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8183 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8184 and -mlong-double-128 are incompatible.
8185 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8186 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8187 (TARGET_LIBGCC2_CFLAGS): Define.
8188 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8189 (TARGET_LIBGCC2_CFLAGS): Same.
8190 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8192 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8194 PR c/19606.
8195 * c-typeck.c (build_binary_op): Perform implicit casts of
8196 operands before shortening them.
8198 * cfgloopmanip.c (split_loop_bb): Remove.
8199 * cfgloop.h: Remove the prototype for split_loop_bb.
8201 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8202 * cfgloop.h: Remove the prototype for
8203 flow_loop_outside_edge_p.
8205 * emit-rtl.c (init_virtual_regs): Make it static.
8206 * function.h: Remove the prototype for init_virtual_regs.
8208 * recog.c (peephole2_optimize): Make it static.
8209 * recog.h: Remove the prototype for peephole2_optimize.
8211 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8213 * df-scan.c (df_record_entry_block_defs): Check if
8214 INCOMING_RETURN_ADDR_RTX is defined.
8216 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8217 Kenneth Zadeck <zadeck@naturalbridge.com>
8219 PR rtl-optimization/24762
8220 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8221 * targhooks.c (hook_void_bitmap): New hook prototype.
8222 * targhoohs.h (hook_void_bitmap): Ditto.
8223 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8224 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8225 * target.h (live_on_entry): New function pointer.
8226 * df-scan.c (df_all_hard_regs): Removed.
8227 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8228 (df_scan_free_internal): Added df->entry_block_defs.
8229 (df_scan_alloc): Ditto.
8230 (df_scan_dump): Ditto.
8231 (df_uses_record): Plumbed flag field properly thru calls.
8232 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8233 This part fixes PR24762.
8234 (df_bb_refs_record): Added code to make the frame and arg
8235 pointers live in EH blocks.
8236 (df_refs_record): Added call to df_record_entry_block_defs.
8237 (df_record_entry_block_defs): New function.
8238 * df-core.c: Added comments to describe new artifical defs.
8239 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8240 (entry_block_defs): New field in struct df.
8241 (df_all_hard_regs): Deleted.
8242 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8243 * df-problems.c (df_ru_bb_local_compute_process_def):
8244 Added code to handle artifical defs in the entry to a function.
8245 (df_ru_bb_local_compute): Ditto.
8246 (df_rd_bb_local_compute_process_def): Ditto.
8247 (df_rd_bb_local_compute): Ditto.
8248 (df_lr_bb_local_compute): Ditto.
8249 (df_ur_bb_local_compute): Ditto.
8250 (df_urec_bb_local_compute): Ditto.
8251 (df_chain_create_bb): Ditto.
8252 (df_ur_local_finalize): Removed entry.
8253 (df_urec_init): Ditto.
8254 (df_urec_local_finalize): Ditto.
8255 (df_ri_bb_compute): Added detection of last use of pseudos.
8256 * Makefile.in (df-scan.o): Updated dependencies.
8257 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8258 * config/mips/mips.c (mips_set_live_on_entry): Added.
8259 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8260 for target hook.
8261 * dce.c (marked_insn_p): Added code to handle artifical defs.
8263 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8265 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8266 intrinsic.
8267 (_mm_cvtsi128_si64): Likewise.
8268 (_mm_cvtsd_si64): Likewise.
8269 (_mm_cvttsd_si64): Likewise.
8270 (_mm_cvtsi64_sd): Likewise.
8271 (_mm_cvtsi64_si128): Likewise.
8272 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8273 (_mm_cvtsi64_m64): Likewise.
8274 (_m_to_int64): Likewise.
8275 (_mm_cvtm64_si64): Likewise.
8276 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8277 (_mm_cvttss_si64): Likewise.
8278 (_mm_cvtsi64_ss): Likewise.
8279 (_mm_cvtss_f32): Likewise.
8281 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8283 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8284 for pragma redefine_extname.
8286 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8288 PR target/25864
8289 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8290 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8291 -mno-minimal-toc to previous content.
8292 (bispecs): Remove goal.
8293 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8294 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8295 compatibility aliases on powerpc-*-*gnu*.
8296 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8297 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8298 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8299 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8300 (ldblspecs): New goal.
8301 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8302 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8303 _df_to_tf.
8304 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8305 L_sf_to_tf or L_df_to_tf is defined.
8307 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8308 Alan Modra <amodra@bigpond.net.au>
8310 PR target/25864
8311 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8312 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8313 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8314 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8315 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8316 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8317 (rs6000_override_options): Initialize rs6000_ieeequad.
8318 Initialize TFmode format to ibm_extended_format if not
8319 TARGET_IEEEQUAD.
8320 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8321 ieeelongdouble.
8322 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8323 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8324 (function_arg_advance): IBM long double passed in two FPRs, not
8325 split.
8326 (function_arg): IBM long double passed in FPRs.
8327 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8328 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8329 Only multireg GPR aligned.
8330 (rs6000_init_libfuncs): Enable IBM long double functions if not
8331 IEEEQUAD.
8332 (rs6000_generate_compare): Use IBM long double compare if not
8333 TARGET_IEEEQUAD.
8334 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8335 (TARGET_IEEEQUAD): Define.
8336 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8337 not TARGET_IEEEQUAD.
8338 * config/rs6000/rs6000.md: Enable TFmode patterns if
8339 !TARGET_IEEEQUAD.
8340 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8341 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8342 and -mlong-double-128 are incompatible.
8343 * doc/invoke.texi (-mabi): Collect options together. Add
8344 ibmlongdouble and ieeelongdouble.
8346 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8348 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8349 opaque type.
8350 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8351 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8352 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8353 * rtl.h (rtunion_def): Remove rt_ptr.
8354 (X0PTR): Delete.
8355 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8356 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8357 * config/i386/winnt.c (i386_pe_mark_dllexport)
8358 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8360 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8362 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8364 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8366 PR other/24829
8367 PR target/24831
8368 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8369 pthread_key_delete. From John David Anglin. gthrw-ify
8370 pthread_getunique_np only if it it's not a macro. Delete
8371 UNUSED macro.
8372 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8373 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8374 __gthread_objc_condition_signal, __gthread_key_delete): Add
8375 "__attribute__ ((__unused__))" to unused arguments.
8376 (__gthread_recursive_mutex_init_function): Add missing return.
8377 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8378 gthr-posix95.h: Use macro-based approach for name redirection
8379 on targets missing weakref.
8381 2006-01-26 Zack Weinberg <zackw@panix.com>
8383 * genconditions.c (write_header): In generated code, #ifdef out
8384 all includes and fake declarations, except includes of bconfig.h
8385 and system.h, unless GCC_VERSION >= 3001. Do not include
8386 gensupport.h in any case.
8387 (write_conditions): Generate a definition of struct c_test. Add
8388 a comment to the generated #endif.
8389 (write_one_condition): Escape backslashes in string too.
8390 (write_writer): Generated code must escape backslashes and quote
8391 marks (but not newlines) in the strings it writes.
8392 * Makefile.in (build/gencondmd.o): Update dependencies.
8394 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8396 PR target/25961
8397 * Makefile.in (insn-automata.o): Add header file dependencies.
8398 * genautomata.c: Add includes.
8400 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8402 PR target/25961
8403 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8405 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8407 * configure.ac: Expect target tools paths to be passed from the toplevel
8408 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8409 AS_SET_VAR_IF.
8410 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8412 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8414 PR c/25892
8415 * c.opt (Wpointer-sign): Init to -1.
8416 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8417 OPT_pedantic, to 0 otherwise.
8418 * doc/invoke.texi: Update.
8420 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8422 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8423 constants provided by 80387 instructions in the destination mode.
8425 2006-01-26 Richard Guenther <rguenther@suse.de>
8426 Andrew Pinski <pinskia@physics.uc.edu>
8428 PR tree-opt/21470
8429 partial PR tree-opt/17064
8430 * tree-ssa-structalias.c (intra_create_variable_infos):
8431 Create heap variables for incoming parameters if
8432 flag_argument_noalias > 1.
8433 (find_what_p_points_to): Look through default defs of
8434 parameter decls.
8436 2006-01-26 Jeff Law <law@redhat.com>
8438 PR ada/25900
8439 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8440 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8441 within the VR_RANGE, use the VR_RANGE as the result, not the
8442 VR_ANTI_RANGE.
8443 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8444 bounds for the type.
8446 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8448 * tree-ssa-alias.c (maybe_create_global_var): Change
8449 subvar walking to an assertion that we don't have subvar'd variables.
8451 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8453 PR C/25861
8454 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8455 Use a new variable, inner. PARM_DECLs are always non-weak.
8457 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8459 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8460 --disable-checking.
8462 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8464 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8466 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8468 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8469 (smax_insn, smin_insn, smax_0, smin_0): New.
8471 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8473 PR target/25947
8474 * config/cris/cris.c (cris_order_for_addsi3): New function.
8475 * config/cris/cris-protos.h: Prototype it.
8476 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8477 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8478 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8479 (split for "op.S1 [rx=rx+i],ry (swapped)")
8480 (split for "op(s|u).S1 [rx=rx+i],ry")
8481 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8482 Apply cris_order_for_addsi3 when generating addsi3 insns.
8484 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8486 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8487 (TREE_BLOCK): Add call to EXPR_CHECK.
8489 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8491 PR 25886
8492 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8493 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8494 (dump_omp_clauses): ... here.
8495 (dump_generic_node): Handle OMP_CLAUSE.
8496 * tree.c (omp_clause_num_ops): New.
8497 (omp_clause_code_name): New.
8498 (tree_code_size): Handle OMP_CLAUSE.
8499 (tree_size): Likewise.
8500 (make_node): Document handling of OMP_CLAUSE.
8501 (tree_node_structure): Handle OMP_CLAUSE.
8502 (omp_clause_check_failed): New.
8503 (omp_clause_range_check_failed): New.
8504 (omp_clause_operand_check_failed): New.
8505 (build_omp_clause): New.
8506 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8507 * tree.h (enum omp_clause_code): Declare.
8508 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8509 (OMP_CLAUSE_RANGE_CHECK): Define.
8510 (OMP_CLAUSE_ELT_CHECK): Define.
8511 (omp_clause_check_failed): Declare.
8512 (omp_clause_operand_check_failed): Declare.
8513 (omp_clause_range_check_failed): Declare.
8514 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8515 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8516 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8517 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8518 (OMP_CLAUSE_IF_EXPR): Likewise.
8519 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8520 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8521 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8522 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8523 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8524 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8525 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8526 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8527 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8528 (OMP_CLAUSE_CODE): Define.
8529 (OMP_CLAUSE_SET_CODE): Define.
8530 (OMP_CLAUSE_CODE): Define.
8531 (OMP_CLAUSE_OPERAND): Define.
8532 (struct tree_omp_clause): Declare.
8533 (union tree_node): Add field 'omp_clause'.
8534 * treestruct.def (TS_OMP_CLAUSE): Define.
8535 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8536 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8537 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8538 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8539 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8540 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8541 (OMP_CLAUSE): Define.
8542 * print-tree.c (print_node): Handle OMP_CLAUSE.
8543 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8544 * c-typeck.c: Likewise.
8545 * gimplify.c: Likewise.
8546 * c-omp.c: Likewise.
8547 * tree-nested.c: Likewise.
8548 * tree-inline.c: Likewise.
8549 * c-parser.c: Likewise.
8550 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8551 clauses.
8553 2006-01-25 Roger Sayle <roger@eyesopen.com>
8555 PR rtl-optimization/25703
8556 * combine.c (try_combine): Handle zero_extract and strict_low_part
8557 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8559 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8561 * global.c: Fix comment typos.
8563 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8565 PR target/25758
8566 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8567 Use output_addr_const instead of assemble_name.
8569 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8571 * Makefile.in (sched-vis.o): Update dependencies.
8572 * haifa-sched.c (sched_finish): Clear current_sched_info.
8573 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8574 (dump_flow_info): Call it.
8575 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8576 a slim RTL dump.
8577 * basic-block.h (dump_bb_info): Declare.
8578 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8579 option, and apply options only for dump files whose TDF_RTL,
8580 TDF_TREE, or TDF_IPA bits match.
8581 * rtl.h: Declare new functions exported from sched-vis.c.
8582 * sched-vis.c: Enable also if scheduling is not used.
8583 (print_value): Print the mode of registers if not inside scheduling.
8584 (print_insn): Make it work outside the scheduler. Beautify the output
8585 a bit.
8586 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8588 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8590 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8591 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8592 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8593 depending on the value of CONSTANT_POOL_ADDRESS_P.
8594 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8595 SYMBOL_REF_DECL.
8596 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8597 rather than SYMBOL_REF_DECL.
8598 (rtx_constant_pool): Remove const_rtx_sym_htab.
8599 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8600 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8601 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8602 Remove handling of const_rtx_sym_htab.
8603 (find_pool_constant): Delete.
8604 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8605 rather than find_pool_constant.
8606 (get_pool_constant_for_function): Delete.
8607 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8608 find_pool_constant.
8609 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8610 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8611 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8612 (SYMBOL_REF_CONSTANT): New macro.
8613 (get_pool_constant_for_function): Delete.
8614 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8615 rather than SYMBOL_REF_DECL.
8616 (i386_pe_mark_dllimport): Likewise.
8617 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8618 rather than SYMBOL_REF_DECL.
8619 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8620 (machopic_indirect_call_target): Likewise.
8622 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8624 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8626 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8628 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8630 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8632 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8634 2006-01-24 David Daney <ddaney@avtrex.com>
8636 PR java/25816
8637 * configure.ac (enable_tls): New enable option.
8638 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8639 * configure: Regenerate.
8640 * doc/install.texi (--enable-tls): Document new option.
8641 (--disable-tls): Ditto.
8643 2006-01-24 Richard Henderson <rth@redehat.com>
8645 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8646 * alias.c (true_dependence): Respect it.
8647 (canon_true_dependence, write_dependence_p): Likewise.
8648 * builtins.c (get_builtin_sync_mem): Set it.
8650 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8652 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8653 efficient way.
8655 2006-01-24 DJ Delorie <dj@redhat.com>
8657 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8658 for storing constants in single-bit bitfields.
8660 2006-01-25 Ben Elliston <bje@au.ibm.com>
8662 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8664 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8666 PR tree-opt/25860
8667 * tree-ssa-pre.c (phi_translate): Return NULL
8668 for AGGREGATE_TYPE's.
8670 2006-01-24 Zack Weinberg <zackw@panix.com>
8672 * genautomata.c (process_state_for_insn_equiv_partition):
8673 Use xcalloc for insn_arcs_array.
8674 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8675 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8677 2006-01-24 Richard Henderson <rth@redhat.com>
8679 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8680 update all callers.
8682 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8684 PR rtl-optimization/25890
8685 PR rtl-optimization/25905
8686 * combine.c (expand_compound_operation, expand_field_assignment):
8687 Fail if the bitfield's final position is out of bounds.
8689 2006-01-24 Ian Lance Taylor <ian@airs.com>
8691 PR middle-end/25930
8692 * cgraphunit.c (cgraph_output_in_order): Don't clear
8693 cgraph_asm_nodes until after asm strings have been output.
8695 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8697 * fix-header.c (read_scan_file): Add new parameter imultilib when
8698 calling register_include_chains.
8700 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8702 * omp-low.c: Update documentation.
8704 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8705 Daniel Berlin <dberlin@dberlin.org>
8707 PR tree-opt/25315
8708 PR tree-opt/25857
8709 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8710 return from the function.
8712 2006-01-22 Zack Weinberg <zackw@panix.com>
8714 * rtl.def (match_code): Add second argument.
8715 * genpreds.c (write_extract_subexp): New function.
8716 (write_match_code): Add path argument. Use write_extract_subexp.
8717 (write_predicate_expr): Pass path to write_match_code.
8718 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8719 not perform a mode test.
8720 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8721 a subexpression does not constrain the top-level code set.
8722 * read-rtl.c (read_rtx_variadic): New function.
8723 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8724 * doc/md.texi: Document new notation.
8725 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8726 (cmpsi_operand): ... here, using new notation.
8728 2006-01-22 Zack Weinberg <zackw@panix.com>
8730 * varray.c: Remove GENERATOR_FILE #ifdefs.
8732 2006-01-22 Zack Weinberg <zackw@panix.com>
8734 * genautomata.c (output_reserved_units_table): Emit nothing if
8735 description->query_units_num is zero. Remove extra blank line.
8736 (output_cpu_unit_reservation_p): Short circuit
8737 if description->query_units_num is zero.
8739 2006-01-22 Zack Weinberg <zackw@panix.com>
8741 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8742 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8743 nor any of the random handful of variables that used to be necessary
8744 when this program was linked with rtlanal.o. Prune set of forward
8745 function declarations.
8746 (struct attr_desc): Remove static_p field.
8747 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8748 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8749 (attr_string): Do not read the character one past the length of
8750 the string.
8751 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8752 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8753 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8754 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8755 (make_automaton_attrs): New.
8756 (main): Do not call into genautomata. Call local gen_bypass
8757 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8758 Remove special case for insn_alts.
8759 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8760 varray.h (leftover from previous change). Prune set of forward
8761 function declarations. Remove state_alts fields from all
8762 structures. Remove state_alts_table from struct automaton.
8763 Make everything except main static. Do not maintain num_dfa_decls.
8764 Do not maintain state_alts fields of various structures.
8765 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8766 (add_arc): Remove state_alts argument. All callers updated.
8767 (output_reserved_units_table): Emit #ifdef here...
8768 (output_tables): ...not here. Don't generate state_alts tables.
8769 (expand_automata): Don't generate attributes.
8770 (write_automata): Don't generate state_alts functions.
8771 (main): New function.
8772 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8773 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8774 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8775 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8776 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8777 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8778 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8779 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8780 Delete.
8781 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8782 * genattrtab.h: Delete file.
8783 * Makefile.in (OBJS-common): Add insn-automata.o.
8784 (insn-automata.o): New rule.
8785 (simple_generated_c): Add insn-automata.c.
8786 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8787 (genprogmd): Add automata.
8788 (build/genattrtab): Needs no extra objects nor libraries.
8789 (build/genautomata): Needs build/vec.o and -lm.
8791 2006-01-22 Zack Weinberg <zackw@panix.com>
8793 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8794 (output_dfa_max_issue_rate, locked_states_num): Delete.
8795 (struct automaton): Add locked_states field.
8796 (output_dead_lock_vect): Save number of locked states in
8797 automaton->locked_states. If it is zero, don't print anything.
8798 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8799 (output_internal_dead_lock_func): Only test the dead_lock_vect
8800 for automata that have locked states.
8801 (output_statistics): Always print the number of locked states for
8802 each automaton. Calculate total number of locked states here.
8803 (write_automata): Don't call output_dfa_max_issue_rate.
8804 * genattrtab.c: Define length_unit_log as a const variable.
8805 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8806 max_insn_queue_index const.
8807 * final.c (length_unit_log): Declare const.
8808 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8810 2006-01-22 Zack Weinberg <zackw@panix.com>
8812 * genautomata.c: Include vec.h, not varray.h.
8813 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8814 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8815 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8816 VEC_* macros operating on appropriately typed vectors, or to
8817 malloced arrays when the size is known in advance. Const-ify
8818 many char* variables and function arguments. No functional changes.
8819 * Makefile.in (build/varray.o): Delete rule.
8820 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8821 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8823 2006-01-22 Zack Weinberg <zackw@panix.com>
8825 * gensupport.c: Define get_insn_name and record_insn_name here.
8826 (read_md_rtx): Call record_insn_name as appropriate.
8827 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8828 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8829 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8830 record_insn_name.
8831 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8832 (BUILD_VARRAY): Delete.
8833 (genprognormal): Rename genprogmd. Fold in all programs from
8834 genprognoprint; also attrtab.
8835 (build/genattrtab): Just mention genautomata.o and varray.o.
8836 Reorganize a bit, add comments to make the categories clearer.
8838 2006-01-22 Zack Weinberg <zackw@panix.com>
8840 * genconditions.c (condition_table, add_condition): Delete.
8841 (write_conditions): Don't emit n_insn_conditions nor
8842 insn_elision_unavailable. Issue the gcc version #ifdef here,
8843 inside the table, with no #else clause ...
8844 (write_header): ...not here.
8845 (write_writer): New function.
8846 (main): Don't initialize condition_table. Use add_c_test.
8847 Call write_writer.
8848 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8849 files on the command line.
8850 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8851 Return -1 if there is no entry in the table, don't abort.
8852 (add_c_test, traverse_c_tests): New functions.
8853 * gensupport.h (insn_elision_unavailable, insn_conditions)
8854 (n_insn_conditions): Delete declarations.
8855 (add_c_test, traverse_c_tests): Declare.
8856 * read-rtl.c: Include gensupport.h.
8857 (read_conditions): New function.
8858 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8859 (read_rtx_1): If we get EOF when we were looking for an initial
8860 open paren, return 0. Call read_conditions when appropriate.
8861 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8862 dummy-conditions.o. Eliminate references to insn-conditions.o,
8863 or change them to build/gencondmd.o, as appropriate. Remove
8864 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8865 from $(simple_generated_c). For all files remaining in those
8866 two lists, add insn-conditions.md to the generator command line.
8867 Give insn-constants.h/s-constants their own rules. Add rules
8868 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8869 (build/read-rtl.o): Depend on gensupport.h.
8870 (genprognormal): Include preds.
8871 (genprogearly): Rename genprognoprint; only difference is now that
8872 they don't link with $(BUILD_PRINT).
8873 * dummy-conditions.c: Delete.
8875 2006-01-22 Zack Weinberg <zackw@panix.com>
8877 * genextract.c: Don't include insn-config.h. Do include vec.h.
8878 Declare vectors of int, char, and locstr.
8879 (locstr): New typedef.
8880 (struct extraction): Make all array fields into bare pointers.
8881 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8882 (insn_code_number): Delete.
8883 (accum_extract): New struct.
8884 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8885 (gen_insn): Take insn_code_number as an argument. Use an
8886 accum_extract structure instead of loading data directly into
8887 a struct extraction, and having to know how big it might get.
8888 (walk_rtx): Operate entirely on an accum_extract structure.
8889 (print_path): Avoid unnecessary use of printf.
8890 (print_header): New function, split out of main. Distinguish
8891 more carefully between an unrecognizable insn and an insn that
8892 has the code number of a define_expand.
8893 (main): Pass insn_code_number to gen_insn. Call print_header
8894 only after parsing. Avoid unnecessary use of printf.
8895 * Makefile.in (build/vec.o): New rule.
8896 (build/genextract): Depend on build/vec.o.
8897 (build/genextract.o): Don't depend on insn-config.h.
8899 2006-01-22 Zack Weinberg <zackw@panix.com>
8901 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8902 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8903 practical. Eliminate per-generator-program link rules.
8905 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8907 PR middle-end/24437
8908 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8909 with a call expr to ...
8910 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8912 2006-01-23 Richard Guenther <rguenther@suse.de>
8914 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8915 before make_edge with conditional EDGE_TRUE_VALUE.
8917 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8918 Jan Hubicka <jh@suse.cz>
8919 Richard Guenther <rguenther@suse.de>
8921 PR rtl-optimization/25654
8922 * cfgexpand.c (aggregate_contains_union_type): New function.
8923 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8924 for structure variables that contain a union type.
8926 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8928 * gengtype.c (new_structure): Return the structure.
8929 (create_option): Add an extra "next" argument.
8930 (create_field): New function.
8931 (adjust_field_rtx_def): Use create_option and create_field.
8932 Remove a now-unnecessary call to find_structure.
8933 (adjust_field_tree_def): Likewise.
8934 (note_yacc_type): Remove an unnecessary call to find_structure.
8935 * gengtype.h (new_structure): Return the structure.
8936 (create_option): Add an extra argument.
8937 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8938 (option): Adjust calls to create_option.
8940 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8942 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8944 2006-01-22 Paul Brook <paul@codesourcery.com>
8945 Peter Barada <peter@the-baradas.com>
8947 * config/m68k/m68k.md: Add Coldfire FPU support.
8948 Define FP mode macro and associated attributes.
8949 Use it for float mode patterns.
8950 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8951 (LIBCALL_VALUE): Use m68k_libcall_value.
8952 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8953 (m68k_function_value): Ditto.
8954 (emit_move_sequence): Ditto.
8955 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8956 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8957 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8958 (MULTILIB_EXCEPTIONS): Ditto.
8959 * config/m68k/m68k.opt: Add mcfv4e.
8960 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8961 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8962 (m68k_output_function_prologue): Save ColdFire FPU registers.
8963 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8964 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8965 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8966 ColdFire FPU registers.
8967 (m68k_libcall_value, m68k_function_value): New functions.
8968 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8969 (LIBCALL_VALUE): Use m68k_libcall_value.
8970 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8971 (MASK_COLDFIRE): Add MASK_CFV4E.
8972 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8973 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8974 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8975 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8976 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8977 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8978 * doc/invoke.tex: Document -mcfv4e on m68k.
8980 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8982 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8983 URL.
8985 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8987 PR c++/16190
8988 * c-opts.c (c_common_handle_option): Don't include
8989 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8990 * doc/invoke.texi (C++ Dialect Options): Document that
8991 -Wnon-virtual-dtor is no longer included in -Wall.
8993 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8995 * gcov.c (print_version), gcov-dump.c (print_version),
8996 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8997 dates.
8999 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9001 * df-scan.c (problem_SCAN): Added NULL reset function.
9002 (df_scan_reset_blocks): Added code to call reset block function
9003 (df_bb_refs_delete) Fixed comment.
9004 (df_insn_refs_delete): Made tolerant of deleting non existent info
9005 for dataflow problems that need to be reset.
9006 * df-core.c (df_set_blocks): Ditto.
9007 * df.h (struct df_problem): Added reset_fun.
9008 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9009 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9010 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9011 functions to clear out all references to def-use or use-def chains.
9013 2006-01-21 Ben Elliston <bje@au.ibm.com>
9015 * varasm.c (assemble_real): Initialise data array.
9017 2006-01-20 Paul Brook <paul@codesourcery.com>
9019 Merge from csl-arm-branch.
9020 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9021 * config/arm/arm.md (movdi): Force operands[1] to a register
9022 if we have a non-register source.
9023 (*arm_movdi, *movdf_soft_insn): Require that one of the
9024 operands be a register.
9025 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9026 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9028 2006-01-20 DJ Delorie <dj@redhat.com>
9030 * varasm.c (initialize_constant_valid_p): Allow pointers
9031 initialized from integer constants of lesser precision.
9032 (output_constant): Allow non-int-sized pointer modes to be
9033 initialized from integer constants.
9035 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9037 PR libstdc++/25524
9038 * cppdefault.h (struct default_include): Add multilib flag.
9039 * cppdefault.c (cpp_include_defaults): Set it.
9040 * c.opt (-imultilib): New option.
9041 * c-opts.c (imultilib): New.
9042 (c_common_handle_option): Handle -imultilib.
9043 (c_common_post_options): Likewise.
9044 * c-incpath.c (add_standard_paths, register_include_chains):
9045 Likewise.
9046 * c-incpath.h (register_include_chains): Add extra parameter.
9047 * gcc.c (do_spec_1): Generate -imultilib option.
9048 (The Specs Language): Update %I description.
9049 (process_command): Update copyright notice.
9050 * doc/cppopts.texi (-imultilib): Document.
9051 * doc/invoke.texi (-imultilib): Include in option summary.
9052 (%I): Update specs documentation.
9054 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9056 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9058 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9060 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9061 label numbers.
9063 2006-01-20 Richard Guenther <rguenther@suse.de>
9064 Steven Bosscher <stevenb.gcc@gmail.com>
9066 PR rtl-optimization/24626
9067 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9068 EDGE_TRUE_VALUE if in RTL mode.
9070 Revert
9071 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9072 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9074 2006-01-20 Dirk Mueller <dmueller@suse.com>
9076 PR c++/5520
9077 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9078 instead of a special NOP marker.
9079 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9080 NOP marker handling.
9081 * c-common.h (empty_body_warning): Add forward declaration.
9082 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9083 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9085 2006-01-20 Paul Brook <paul@codesourcery.com>
9087 * Makefile.in (lang_checks): Keep going if mkdir fails.
9089 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9091 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9092 be able to clean out basic block when not necessary.
9093 (df_scan_free): Fixed to properly delete information if df is
9094 unused before calling df_finish.
9095 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9096 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9097 or comment typos.
9098 (df_bb_refs_delete): New function.
9099 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9100 * df-core.c (df_set_blocks): Added code to properly clean out
9101 unused blocks if they are not part of the blocks to consider.
9102 Added additional null check.
9103 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9104 be able to clean out basic block when not necessary
9105 * df.h (df_free_bb_function): Ditto.
9106 (df_bb_refs_delete): New function.
9107 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9108 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9109 basic block parameter to be able to clean out basic block when not
9110 necessary.
9111 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9112 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9113 Fixed to properly delete information if df is unused before
9114 calling df_finish.
9116 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9118 PR rtl-optimization/25799
9119 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9120 Corrected confluence operator to remove bits from op2 before oring
9121 with op1 rather than removing bits from op1.
9122 (df_ru_transfer_function): Corrected test on wrong bitmap which
9123 caused infinite loop. Both of these problems were introduced in
9124 the dataflow rewrite.
9126 2006-01-19 DJ Delorie <dj@redhat.com>
9128 * reload1.c (find_reload_regs): Note the details of reload
9129 failures in the dump file.
9130 (spill_failure): Likewise.
9132 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9134 * loop-iv.c: Include df.h and hashtab.h.
9135 (enum iv_grd_result): New enum.
9136 (DF_REF_IV, DF_REF_IV_SET): New macros.
9137 (struct biv_entry): New.
9138 (df, bivs): New global variables.
9139 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9140 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9141 Removed.
9142 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9143 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9144 analyzed_for_bivness_p, record_biv): New functions.
9145 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9146 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9147 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9148 UD chains.
9149 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9150 analysed.
9151 (iv_number_of_iterations): Use new interface to iv analysis.
9152 * loop-unroll.c: Do not include varray.h.
9153 (analyze_iv_to_split_insn): Use new interface to iv
9154 analysis.
9155 * loop-unswitch.c (may_unswitch_on): Ditto.
9156 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9157 allocated.
9158 (df_bb_modify): Realloc tables to the new index.
9159 (df_find_use): New function.
9160 * df.h (df_find_use): Declare.
9161 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9162 outmode.
9163 * cfgloop.h (struct rtx_iv): Remove analysed field.
9164 (iv_get_reaching_def): Removed.
9165 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9166 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9167 (loop-iv.o): Add df.h and hashtab.h dependency.
9168 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9170 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9172 PR target/25668
9173 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9174 Double TFmode.
9175 (__floatundisf, __floatundidf): Likewise.
9176 * libgcc2.h (IS_IBM_EXTENDED): Define.
9178 2006-01-19 DJ Delorie <dj@redhat.com>
9180 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9182 2006-01-19 Paul Brook <paul@codesourcery.com>
9184 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9185 as nothrow when unwinding tables are disabled.
9187 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9189 PR testsuite/25171
9190 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9191 of bit-field" when in system header.
9193 2006-01-19 DJ Delorie <dj@redhat.com>
9195 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9196 the 16 bit shift limit of the m16c.
9198 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9200 PR target/22099
9201 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9202 * config/i386/i386.c (output_set_got): Output the label if we have one
9203 for the TARGET_DEEP_BRANCH_PREDICTION case.
9205 2006-01-19 Jan Hubicka <jh@suse.cz>
9206 H.J. Lu <hongjiu.lu@intel.com>
9207 Evandro Menezes <evandro.menezes@amd.com>
9209 * invoke.texi (generic): Document
9210 (i686) Update.
9211 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9212 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9213 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9214 (x86_use_incdec, x86_pad_returns): New variables
9215 (TARGET_CPU_DEFAULT_generic): New constant
9216 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9217 (enum processor_type): Add generic32 and generic64.
9218 * i386.md (cpu attribute): Add generic32/generic64
9219 (movhi splitter): Behave sanely when both partial_reg_dependency and
9220 partial_reg_stall are set.
9221 (K8 splitters): Enable for generic as well.
9222 * predicates.md (incdec_operand): Use TARGET_INCDEC
9223 (aligned_operand): Avoid memory mismatch stalls.
9224 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9225 * ppro.md: Enable for generic32
9226 * i386.c (generic64_cost, generic32_cost): New.
9227 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9228 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9229 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9230 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9231 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9232 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9233 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9234 x86_accumulate_outgoing_args, x86_prologue_using_move,
9235 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9236 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9237 Enable for generic.
9238 (x86_use_incdec, x86_pad_returns): New.
9239 (override_options): Add generic32 and generic64, translate "generic"
9240 to generic32/generic64 and "i686" to "generic32", refuse
9241 "generic32"/"generic64" as arch target.
9242 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9243 (ix86_reorg): Honor PAD_RETURNS.
9245 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9247 * tree-pretty-print.c (dump_generic_node): Handle
9248 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9249 * cgraph.c (cgraph_expand_queue): Rename from
9250 cgraph_analyze_queue. Update all users.
9251 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9252 cgraph_expand_queue.
9253 (cgraph_expand_all_functions): Likewise.
9254 (cgraph_finalize_pending_functions): Remove. Update callers.
9256 * tree.h (OMP_DIRECTIVE_P): Define.
9257 (OMP_PARALLEL_FN): Define.
9258 (OMP_PARALLEL_DATA_ARG): Define.
9259 (OMP_SECTIONS_SECTIONS): Define.
9260 * tree-pass.h (pass_expand_omp): Declare.
9261 * omp-low.c (struct omp_region): Declare.
9262 (struct omp_context): Remove fields 'parallel_type',
9263 'parallel_start_ix' and 'parallel_start_additional_args'.
9264 Update all users.
9265 (struct omp_for_data): Rename from struct expand_omp_for_data.
9266 (omp_regions): New static variable.
9267 (root_omp_region): New static variable.
9268 (find_omp_clause): Make static.
9269 (is_in_combined_parallel_ctx): Remove.
9270 (is_combined_parallel): New.
9271 (extract_omp_for_data): Move earlier in the file.
9272 (workshare_safe_to_combine_p): New.
9273 (get_ws_args_for): New.
9274 (determine_parallel_type): Move earlier in the file.
9275 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9276 child function.
9277 (omp_copy_decl): Likewise.
9278 (create_omp_child_function): Likewise.
9279 (lookup_omp_region): New.
9280 (dump_omp_region): New.
9281 (debug_omp_region): New.
9282 (debug_all_omp_regions): New.
9283 (new_omp_region): New.
9284 (scan_omp_parallel): If parallel_nesting_level > 1, the
9285 directive is nested within another parallel directive.
9286 Set OMP_PARALLEL_FN.
9287 (scan_omp_for): Do not try to handle combined parallel+for
9288 cases.
9289 Remove FIXME comment.
9290 (scan_omp_nested): Remove.
9291 (scan_omp_1): Do not call scan_omp_nested when
9292 parallel_nesting_level is > 1.
9293 Do not change the DECL_CONTEXT of local variables found.
9294 (lookup_decl_in_outer_ctx): New.
9295 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9296 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9297 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9298 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9299 If CTX is nested, lookup VAR in the outer context when
9300 building copy assignment.
9301 (lower_send_clauses): Rename from expand_send_clauses.
9302 If CTX is nested, lookup VAR in the outer context when
9303 building copy assignments.
9304 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9305 If CTX is nested, lookup VAR in the outer context when
9306 building copy assignments.
9307 (expand_parallel_call): Rename from build_parallel_call.
9308 Handle combined parallel+workshare cases.
9309 Re-implement to emit code into the CFG.
9310 (list2chain): New.
9311 (expand_omp_parallel): Re-implement to emit code into the CFG.
9312 Call move_sese_region_to_fn to outline the sub-graph
9313 containing the parallel region.
9314 (expand_omp_for_1): Remove.
9315 (expand_omp_for_generic): Re-implement to emit code into the
9316 CFG.
9317 (expand_omp_for_static_nochunk): Likewise.
9318 (expand_omp_for_static_chunk): Likewise.
9319 (expand_omp_for): Likewise.
9320 (expand_omp_sections): Likewise.
9321 (remove_exit_barriers): New.
9322 (expand_omp_synch): New.
9323 (expand_omp): New.
9324 (build_omp_regions_1): New.
9325 (build_omp_regions): New.
9326 (execute_expand_omp): New.
9327 (gate_expand_omp): New.
9328 (pass_expand_omp): Define.
9329 (lower_omp_sections): Rename from expand_omp_sections.
9330 Set OMP_SECTIONS_SECTIONS.
9331 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9332 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9333 (lower_omp_single): Rename from expand_omp_simple.
9334 (lower_omp_master): Rename from expand_omp_master.
9335 (lower_omp_ordered): Rename from expand_omp_ordered.
9336 (lower_omp_critical): Rename from expand_omp_critical.
9337 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9338 (lower_omp_for): Re-implement.
9339 (lower_omp_parallel): Re-implement.
9340 (lower_regimplify): Rename from expand_regimplify.
9341 (lower_omp_1): Rename from expand_omp_1.
9342 If there are syntax errors in the program, replace every
9343 OpenMP directive with NOP.
9344 Call lower_omp_* instead of expand_omp_*.
9345 (lower_omp): Rename from expand_omp.
9347 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9348 * tree-gimple.h (enum omp_parallel_type): Remove.
9349 (gimple_boolify): Declare extern.
9350 (find_omp_clause, determine_parallel_type): Remove.
9352 * gimple-low.c (lower_omp_directive): New.
9353 (lower_stmt): Call it.
9354 (record_vars_into): Move from ...
9355 (record_vars): ... here.
9356 Call record_vars_into with current_function_decl.
9358 * gimplify.c (struct gimplify_ctx): Remove fields
9359 combined_pre_p and combined_ctxp. Update users.
9360 (get_formal_tmp_var): Add documentation.
9361 (gimple_boolify): Make extern.
9362 (gimplify_expr_in_ctx): Remove. Update callers.
9363 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9364 will always be a BIND_EXPR.
9365 (gimplify_expr): Handle OMP_RETURN_EXPR.
9366 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9367 (OMP_PARALLEL): Add 3 operands.
9368 (OMP_SECTIONS): Add 1 operand.
9369 (OMP_RETURN_EXPR): Define.
9371 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9372 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9373 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9374 creating a circular free list.
9375 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9377 * tree-flow.h (move_sese_region_to_fn): Declare.
9378 (record_vars_into): Declare.
9379 * tree-cfg.c (make_omp_sections_edges): New.
9380 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9381 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9382 OMP_SECTIONS and OMP_SECTION.
9383 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9384 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9385 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9386 (gather_blocks_in_sese_region): New.
9387 (struct move_stmt_d): Declare.
9388 (move_stmt_r): New.
9389 (move_block_to_fn): New.
9390 (move_sese_region_to_fn): New.
9392 * passes.c (init_optimization_passes): Schedule
9393 pass_expand_omp after pass_init_datastructures.
9395 * tree-ssa-operands.c (get_expr_operands): Handle
9396 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9397 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9399 2006-01-19 Jeff Law <law@redhat.com>
9401 * tree-vrp.c (extract_range_from_assert): Refine the result range
9402 if the variable referenced by the ASSERT_EXPR has a range and
9403 either the tentative result range or the previous range is a
9404 VR_ANTI_RANGE.
9406 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9408 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9410 2006-01-19 Jan Hubicka <jh@suse.cz>
9412 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9414 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9416 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9417 (expand_compound_operation, expand_field_assignment): Fail if the
9418 bit lengths of an extract operation are out of range.
9419 (make_extraction): Compute wanted_inner_mode based on the position
9420 and length of the extraction. Make it extraction_mode for non-constant
9421 positions, and do not modify offset in that case. When generating a
9422 new MEM, use a mode that can hold the extraction while keeping correct
9423 alignment. Remove code that supported MEMs wrapped by USEs.
9424 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9426 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9428 * config/s390/s390.md ("Y", "y"): New mode attribute.
9429 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9430 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9431 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9432 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9433 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9434 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9435 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9436 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9437 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9438 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9439 "addsi3", "subsi3"): Insn patterns removed.
9440 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9441 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9442 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9443 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9444 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9445 "*sub<mode>3_cconly2"): New insn patterns.
9446 ("addsi3", "subsi3"): New expanders.
9448 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9450 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9451 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9452 existing STMT_VINFO_VECTYPE if available.
9453 (vect_mark_relevant): Add special handling for stmts that are
9454 marked as STMT_VINFO_IN_PATTERN_P.
9455 (vect_analyze_loop): Call vect_pattern_recog.
9456 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9457 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9458 stmt_info.
9459 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9460 (vect_recog_func_ptr): New function-pointer type.
9461 * tree-vect-patterns.c: New file.
9462 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9463 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9464 (vect_pattern_recog_1): New functions.
9465 (vect_pattern_recog_funcs): New array of function pointers.
9467 * tree-vectorizer.h (ternary_op): New enum value.
9468 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9469 declaration. Revised documentation. Removed redundant dump prints.
9470 Removed redundant argument. Added support for reduction patterns.
9471 (vectorizable_reduction): Added support for reduction patterns.
9472 (vect_transform_stmt): Added support for patterns.
9474 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9475 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9476 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9477 (expand_widen_pattern_expr): New function.
9478 (init_optabs): Initialize new optabs udot_prod_optab,
9479 sdot_prod_optab.
9480 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9481 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9482 (expand_widen_pattern_expr): New function declaration.
9483 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9484 tree-codes.
9485 * tree-inline.c (estimate_num_insns_1): Added cases for new
9486 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9487 * tree-pretty-print.c (dump_generic_node): Likewise.
9488 (op_prio): Likewise.
9489 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9490 * tree-ssa-operands.c (get_expr_operands): Added case for
9491 DOT_PROD_EXPR.
9492 * tree-vect-patterns.c (widened_name_p): New function.
9493 (vect_recog_dot_prod_pattern): Added function implementation.
9494 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9495 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9496 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9497 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9499 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9500 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9501 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9502 (init_optabs): Initialize new optabs widen_ssum_optab,
9503 widen_usum_optab.
9504 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9505 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9506 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9507 use instead of type of def.
9508 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9509 function implementation.
9510 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9511 widen_ssumv8hi): New.
9513 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9514 patterns.
9516 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9518 PR c/25805
9519 * c-decl.c (add_flexible_array_elts_to_size): New function.
9520 (finish_decl): Use it.
9522 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9524 * diagnostic.h: Include options.h.
9525 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9526 dependancies for diagnostic.h.
9527 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9529 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9531 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9532 (ssa_ro_call_cache_valid): Ditto.
9533 * tree-ssa-alias.c (sort_tags_by_id): New function.
9534 (init_transitive_clobber_worklist): Ditto.
9535 (add_to_worklist): Ditto.
9536 (mark_aliases_call_clobbered): Ditto.
9537 (compute_tag_properties): Ditto.
9538 (set_initial_properties): Ditto.
9539 (compute_call_clobbered): Ditto.
9540 (compute_may_aliases): Call compute_call_clobbered and grouping.
9541 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9542 (compute_flow_insensitive_aliasing): Grouping now happens in our
9543 caller.
9544 (setup_pointers_and_addressables): Remove clobbering related code.
9545 (add_may_alias): Ditto.
9546 (replace_may_alias): Ditto.
9547 (get_nmt_for): Ditto.
9548 (create_global_var):
9549 (is_escape_site): Return an escape_type enumeration.
9550 * tree-flow-inline.h (is_call_clobbered): Global var does not
9551 imply call clobbered.
9552 (mark_call_clobbered): Take a reason for marking this. Remove
9553 marking of globalness, and cache invalidation.
9554 (clear_call_clobbered): Remove cache invalidation code.
9555 * tree-dfa.c (dump_variable): If details is on, dump the reason
9556 for escaping.
9557 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9558 variable.
9559 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9560 (struct var_ann_d): Ditto.
9561 (enum escape_type): New.
9562 (mark_call_clobbered): Adjust prototype.
9563 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9564 are never call clobbered.
9565 Record reasons for escaping.
9566 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9567 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9568 (ssa_ro_call_cache_valid): Ditto.
9569 (clobbered_v_may_defs): Ditto.
9570 (clobbered_vuses): Ditto.
9571 (ro_call_vuses): Ditto.
9572 (clobber_stats): New.
9573 (init_ssa_operands): Zero out clobber stats.
9574 (fini_ssa_operands): Print out clobber stats.
9575 (get_call_expr_operands): Pass callee fndecl to
9576 add_call_read_ops).
9577 (add_call_clobber_ops): Remove use of cache.
9578 Add use of PURE_CONST information.
9579 (add_call_read_ops): Remove use of cache.
9580 Add use of static not_read information.
9582 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9584 Introduce TLS descriptors for i386 and x86_64.
9585 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9586 (TARGET_ANY_GNU_TLS): New macro.
9587 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9588 (struct machine_function): Add tls_descriptor_call_expanded_p.
9589 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9590 (ix86_current_function_calls_tls_descriptor): Likewise.
9591 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9592 (override_options): Introduce gnu2 tls dialect.
9593 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9594 not leaves.
9595 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9596 Likewise.
9597 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9598 (ix86_init_machine_status): Initialize new field.
9599 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9600 (ix86_tls_module_base): New.
9601 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9602 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9603 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9604 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9605 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9606 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9607 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9608 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9609 * config/i386/predicates.md (tls_modbase_operand): New.
9610 (tp_or_register_operand): New.
9612 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9614 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9615 (look_for_address_of): Ditto.
9616 (ipa_init): Walk the function decls.
9617 (static_execute): Don't set readonly on FUNCTION_DECL's.
9619 2006-01-18 Roger Sayle <roger@eyesopen.com>
9621 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9622 for shifts where the source and destination registers are different.
9624 2006-01-18 Paul Brook <paul@codesourcery.com>
9626 Merge from csl-arm-branch.
9627 2005-03-14 Julian Brown <julian@codesourcery.com>
9628 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9629 (aeabi_llsl): Likewise.
9630 (ashrdi3): Likewise.
9631 (aeabi_lasr): Likewise.
9632 (lshrdi3): Likewise.
9633 (aeabi_llsr): Likewise.
9634 2005-03-10 Julian Brown <julian@codesourcery.com>
9635 * config.gcc: Disable shared libgcc for SymbianOS.
9636 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9638 2006-01-18 DJ Delorie <dj@redhat.com>
9640 * c-pragma.c (handle_pragma_diagnostic): New.
9641 (init_pragma): Register it.
9642 * doc/extend.texi: Document it.
9644 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9645 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9646 (diagnostic_context): Add classify_diagnostic[].
9647 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9648 as errors if they're overridden to DK_WARNING.
9649 (diagnostic_initialize): Initialize classify_diagnostic[].
9650 (diagnostic_set_kind_override): New.
9651 (diagnostic_report_diagnostic): Check for kind changes.
9652 * opts.c (common_handle_option): Take lang_mask. Update callers.
9653 Handle OPT_Werror_.
9654 * common.opt (Werror=): New.
9655 * doc/invoke.texi: Document -Werror=*
9657 2006-01-18 Jeff Law <law@redhat.com>
9659 * tree-vrp.c (test_for_singularity): Correct test for new
9660 min limit. Use operand_equal_p rather than pointer equality
9661 for testing if new min/max values are equal.
9663 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9664 using range information until after propagation and folding.
9666 2006-01-18 Richard Henderson <rth@redhat.com>
9667 Aldy Hernandez <aldyh@redhat.com>
9668 Jakub Jelinek <jakub@redhat.com>
9669 Diego Novillo <dnovillo@redhat.com>
9671 * omp-low.c: New file.
9672 * c-omp.c: New file.
9674 2006-01-18 Richard Henderson <rth@redhat.com>
9675 Jakub Jelinek <jakub@redhat.com>
9676 Diego Novillo <dnovillo@redhat.com>
9678 * doc/invoke.texi: Document -fopenmp.
9679 * tree-dump.h (debug_function): Declare.
9680 * hooks.c (hook_bool_tree_bool_false): New function.
9681 (hook_tree_tree_null): Remove.
9682 (hook_tree_tree_tree_null): New.
9683 * hooks.h: Update to match.
9684 * tree-pretty-print.c (debug_tree_chain): New.
9685 (print_generic_expr): Handle TDF_CHAIN.
9686 (dump_generic_node): Handle BLOCK.
9687 Do not abort with incomplete SWITCH_EXPRs.
9688 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9689 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9690 print space after directive name.
9691 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9692 Handle OMP_MASTER and OMP_ORDERED.
9693 Handle printing of OMP_BODY just in one place, goto
9694 dump_omp_body in the rest of OMP_* nodes that have
9695 OMP_BODY.
9696 Don't handle clause nodes here. Update omp statements to
9697 use dump_omp_clauses.
9698 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9699 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9700 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9701 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9702 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9703 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9704 Adjust output for GOMP_PARALLEL.
9705 (dump_omp_clauses): New.
9706 (print_declaration): Dump DECL_VALUE_EXPR.
9707 (op_symbol_1): Split out of op_symbol.
9708 (dumping_stmts): Remove. Update all users.
9709 * cgraph.c (cgraph_analyze_queue): New.
9710 (cgraph_add_new_function): New.
9711 * cgraph.h (cgraph_analyze_queue): Declare.
9712 (cgraph_add_new_function): Declare.
9713 (cgraph_lower_function): Remove.
9714 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9715 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9716 and TYPE_P nodes in its default clause.
9717 (empty_body_p): New.
9718 (tree_range_check_failed): New.
9719 (build5_stat): New.
9720 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9721 OMP_CLAUSE_REDUCTION_MERGE,
9722 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9723 OMP_CLAUSE_PRIVATE_DEBUG,
9724 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9725 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9726 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9727 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9728 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9729 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9730 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9731 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9732 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9733 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9734 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9735 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9736 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9737 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9738 (TREE_RANGE_CHECK): New.
9739 (empty_body_p): Declare.
9740 (enum omp_clause_default_kind): New.
9741 (build_string_literal): Declare.
9742 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9743 (build5_stat, build5): Declare.
9744 * tree-pass.h (TDF_CHAIN): Define.
9745 * tree-pass.h (PROP_gimple_lomp): Define.
9746 (pass_lower_omp): Declare.
9747 * diagnostic.h (debug_tree_chain): Declare.
9748 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9749 mode_for_size.
9750 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9751 * builtins.c (build_string_literal): Make extern.
9752 * gcc.c (include_spec_function): New.
9753 (static_spec_functions): Add it.
9754 (main): Move load of libgomp.spec ...
9755 (LINK_COMMAND_SPEC): ... here.
9756 (link_gomp_spec): New.
9757 (static_specs): Include it.
9758 (LINK_COMMAND_SPEC): Add link_gomp.
9759 (GOMP_SELF_SPECS): New.
9760 (driver_self_specs): Include it.
9761 (switch_matches): Don't mark inline.
9762 (main): Load libgomp.spec.
9763 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9764 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9765 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9766 * tree-gimple.h (enum omp_parallel): Declare.
9767 (determine_parallel_type): Declare.
9768 (omp_firstprivatize_variable): Declare.
9769 (omp_reduction_init): Declare.
9770 (diagnose_omp_structured_block_errors): Declare.
9771 (struct walk_stmt_info): Add want_return_expr.
9772 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9773 (find_omp_clause): Declare.
9774 (insert_field_into_struct): Declare.
9775 (struct walk_stmt_info): Move from tree-nested.c
9776 (walk_stmts): Declare.
9777 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9778 to 200505.
9779 * cgraphunit.c (cgraph_lower_function): Make static.
9780 (cgraph_finalize_pending_functions): New.
9781 (cgraph_finalize_function): Call it.
9782 (cgraph_finalize_compilation_unit): Likewise.
9783 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9784 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9785 (BT_FN_UINT_UINT): New.
9786 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9787 DEF_FUNCTION_TYPE_VAR_4): Document.
9788 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9789 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9790 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9791 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9792 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9793 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9794 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9795 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9796 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9797 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9798 into separate files.
9799 (DEF_GOMP_BUILTIN): New.
9800 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9801 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9802 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9803 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9804 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9805 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9806 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9807 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9808 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9809 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9810 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9811 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9812 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9813 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9814 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9815 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9816 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9817 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9818 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9819 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9820 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9821 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9822 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9823 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9824 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9825 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9826 * sync-builtins.def: New file, moved from builtins.def.
9827 * omp-builtins.def: New file, moved from builtins.def.
9828 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9829 * gimple-low.c (lower_function_body): Clear data.
9830 (lower_stmt): Do not handle COMPOUND_EXPR.
9831 Remove call to print_node_brief.
9832 * c-tree.h (c_finish_omp_clauses): New prototype.
9833 (C_DECL_THREADPRIVATE_P): Define.
9834 (lookup_name_no_remap, c_omp_remap_private): Remove
9835 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9836 (check_for_loop_decls): Update decl.
9837 (lookup_name_no_remap, c_omp_remap_private): Declare.
9838 (build_indirect_ref, build_modify_expr, pushdecl,
9839 pushdecl_top_level): Move to c-common.h.
9840 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9841 before the switch, but just in the 2 places that need it.
9842 * c-decl.c (diagnose_mismatched_decls): Do not check for
9843 mismatched thread-local attributes when OLDDECL is marked
9844 threadprivate and NEWDECL has no thread-local attributes.
9845 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9846 (c_gimple_diagnostics_recursively): Rename from
9847 c_warn_unused_result_recursively. Invoke
9848 diagnose_omp_structured_block_errors.
9849 (check_for_loop_decls): Return a singular decl found.
9850 * langhooks.c (lhd_omp_predetermined_sharing): Return
9851 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9852 (lhd_omp_firstprivatize_type_sizes): New.
9853 (lhd_omp_assignment): New.
9854 (lhd_omp_predetermined_sharing): New.
9855 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9856 (struct lang_hooks_for_types): Add
9857 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9858 omp_predetermined_sharing, omp_disregard_value_expr,
9859 omp_private_debug_clause, omp_clause_default_ctor,
9860 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9861 (c_finish_omp_clauses): New.
9862 (c_finish_bc_stmt): Diagnose break within omp for.
9863 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9864 (build_unary_op): Return error_mark after reporting
9865 a readonly_error.
9866 (build_modify_expr): Likewise.
9867 * gimplify.c: Include optabs.h and pointer-set.h.
9868 (enum gimplify_omp_var_data): Declare.
9869 (struct gimplify_omp_ctx): Declare.
9870 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9871 and combined_ctxp.
9872 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9873 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9874 (splay_tree_compare_decl_uid): New.
9875 (new_omp_context): New.
9876 (delete_omp_context): New.
9877 (gimple_add_tmp_var): Call omp_add_variable.
9878 (gimplify_bind_expr): Likewise.
9879 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9880 true, disregard DECL_VALUE_EXPR on the decl if any.
9881 (gimplify_expr_in_ctx): New.
9882 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9883 omp_add_variable, omp_notice_variable, omp_is_private
9884 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9885 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9886 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9887 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9888 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9889 gimplify_omp_atomic): New.
9890 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9891 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9892 OMP_CRITICAL and OMP_ATOMIC.
9893 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9894 * c-pragma.h (enum pragma_kind): Add
9895 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9896 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9897 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9898 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9899 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9900 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9901 PRAGMA_OMP_THREADPRIVATE.
9902 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9903 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9904 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9905 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9906 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9907 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9908 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9909 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9910 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9911 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9912 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9913 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9914 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9915 OpenMP directives.
9916 (struct nesting_info): Add field_map,
9917 suppress_expansion, debug_var_chain.
9918 (create_nesting_tree): Initialize them.
9919 (lookup_field_for_decl): Use field_map.
9920 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9921 (convert_local_omp_clauses): New.
9922 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9923 (walk_body): Split out of walk_function.
9924 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9925 (convert_nonlocal_reference): Handle omp statements.
9926 (convert_local_reference): Likewise.
9927 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9928 (unnest_nesting_tree): New.
9929 (lower_nested_functions): Call it.
9930 (insert_field_into_struct): Make extern.
9931 (struct walk_stmt_info): Move to tree-gimple.h.
9932 (walk_stmts): Make extern.
9933 * omp-builtins.def: New file.
9934 * tree-iterator.c (expr_only): Clarify comment.
9935 * c-common.h (pushdecl_top_level, pushdecl,
9936 build_modify_expr, build_indirect_ref,
9937 c_finish_omp_master, c_finish_omp_critical,
9938 c_finish_omp_ordered, c_finish_omp_barrier,
9939 c_finish_omp_atomic, c_finish_omp_flush,
9940 c_finish_omp_for, c_split_parallel_clauses,
9941 omp_clause_default_kind, c_omp_sharing_predetermined,
9942 c_omp_remap_decl): Declare.
9943 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9944 (OBJS-common): Add omp-low.o.
9945 (c-omp.o, omp-low.o): Add.
9946 (gimplify.o): Add dependency on $(OPTABS_H).
9947 (GTFILES): Add omp-low.c.
9948 (gt-stringpool.h): Add.
9949 * tree-cfg.c (set_bb_for_stmt): Do not update the
9950 block-to-labels map if we are currently expanding to RTL.
9951 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9952 checks.
9953 Handle IDENTIFIER_NODE.
9954 (tree_verify_flow_info): Do not ICE when emitting error
9955 messages about invalid labels.
9956 (dump_function_to_file): Reset CFUN before emitting the body
9957 of the function.
9958 (debug_function): New.
9959 * passes.c (init_optimization_passes): Schedule
9960 pass_lower_omp.
9961 * langhooks-def.h (lhd_omp_predetermined_sharing,
9962 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9963 Declare.
9964 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9965 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9966 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9967 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9968 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9969 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9970 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9971 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9972 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9973 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9974 (LANG_HOOK_DECLS): Use them.
9976 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9977 Richard Henderson <rth@redhat.com>
9978 Jakub Jelinek <jakub@redhat.com>
9979 Diego Novillo <dnovillo@redhat.com>
9981 * c-parser.c (pragma_omp_clause): Define.
9982 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9983 (c_parser_compound_statement): Likewise.
9984 (c_parser_statement): Likewise.
9985 (c_parser_pragma): Handle omp pragmas.
9986 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9987 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9988 (c_parser_omp_clause_name, check_no_duplicate_clause,
9989 c_parser_omp_variable_list,
9990 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9991 c_parser_omp_clause_copyprivate,
9992 c_parser_omp_clause_default,
9993 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9994 c_parser_omp_clause_lastprivate,
9995 c_parser_omp_clause_nowait,
9996 c_parser_omp_clause_num_threads,
9997 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9998 c_parser_omp_clause_reduction,
9999 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10000 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10001 c_parser_omp_atomic, c_parser_omp_barrier,
10002 c_parser_omp_critical, c_parser_omp_flush,
10003 c_parser_omp_for_loop, c_parser_omp_for,
10004 c_parser_omp_master, c_parser_omp_ordered,
10005 c_parser_omp_sections_scope, c_parser_omp_sections,
10006 c_parser_omp_parallel, c_parser_omp_single,
10007 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10008 * c-pragma.c (init_pragma): Do omp pragma registration here.
10009 * c.opt (fopenmp): New flag.
10011 2006-01-18 Eric Christopher <echristo@apple.com>
10013 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10014 * config/darwin.h (GOMP_SELF_SPECS): Define.
10016 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10018 * rtl.h: Remove the prototype for reg_alloc.
10020 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10022 PR target/25731
10023 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10024 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10025 sjlj and dwarf2 exception handling.
10026 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10027 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10028 * pa/pa.c (function_value): Treat complex and vector types as
10029 aggregates.
10030 (function_arg): Likewise. Only pass scalar floats in the floating
10031 point argument registers.
10032 * pa/t-slibgcc-dwarf-ver: New file.
10033 * pa/t-slibgcc-sjlj-ver: New file.
10034 * pa/t-slibgcc-elf-ver: Delete file.
10036 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10038 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10039 unlikely_test_section_p test.
10041 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10043 * mode-switching.c (optimize_mode_switching): Make it static.
10044 * basic-block.h: Remove the prototype for
10045 optimize_mode_switching.
10047 * modulo-sched.c (sms_schedule): Make it static.
10048 * rtl.h: Remove the prototype for sms_schedule.
10050 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10051 * rtl.h: Remove the prototype for gcse_after_reload_main.
10053 * reg-stack.c (reg_to_stack): Make it static.
10054 * rtl.h: Remove the prototype for reg_to_stack.
10056 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10057 Make them static.
10058 * rtl.h: Remove the prototypes for regrename_optimize and
10059 copyprop_hardreg_forward.
10061 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10063 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10064 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10065 Test against the appropriate null constant for the mode.
10066 If 'fixup_overlap' is true, swap the operands if they overlap.
10067 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10068 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10069 alpha_split_tmode_pair and adjust for above change.
10070 * config/alpha/alpha.md (movtf_internal): Adjust call to
10071 alpha_split_tfmode_pair and rely on it to swap the operands.
10072 (movti_internal): New insn and post-reload splitter.
10073 (movti): New expander.
10075 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10077 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10078 operands.
10080 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10082 * rtlanal.c (global_reg_mentioned_p_1,
10083 global_reg_mentioned_p): Remove.
10084 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10086 * flow.c (initialize_uninitialized_subregs): Make it static.
10087 * rtl.h: Remove the prototype for
10088 initialize_uninitialized_subregs.
10090 * function.c (instantiate_virtual_regs): Make it static.
10091 * function.h: Remove the prototype for
10092 instantiate_virtual_regs.
10094 * regmove.c (regmove_optimize, combine_stack_adjustments):
10095 Make them static.
10096 * rtl.h: Remove the prototypes for regmove_optimize and
10097 combine_stack_adjustments.
10099 2006-01-17 Roger Sayle <roger@eyesopen.com>
10101 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10102 (size_cost): Encode costs in bytes so that a reg-reg addition is
10103 equivalent to COSTS_N_INSNS(1).
10104 (override_options): Use the size_cost.branch_cost as the default
10105 ix86_branch_cost when optimizing for size.
10107 2006-01-18 Ben Elliston <bje@au.ibm.com>
10109 * Makefile.in (D32PBIT_FUNCS): New.
10110 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10111 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10112 D64PBIT_FUNCS and D128PBIT_FUNCS.
10113 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10114 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10115 D128PBIT are set.
10116 (decnumber_dep): Define.
10117 * doc/libgcc.texi (Decimal float library routines): New node.
10118 * config/dfp-bit.h, config/dfp-bit.c: New files.
10120 2006-01-18 Ben Elliston <bje@au.ibm.com>
10122 * expr.c (emit_move_change_mode): Always adjust addresses, not
10123 just during reload. Copy replacements only during reload.
10124 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10125 emit_move_via_integer.
10127 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10129 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10130 instead of $(srcdir) and ${srcdir}.
10132 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10134 PR target/592
10135 PR middle-end/11135
10136 * arm.h (struct machine_function): Add pic_reg.
10137 * arm.c (arm_pic_register): Make unsigned.
10138 (arm_override_options): Only set arm_pic_register if
10139 TARGET_SINGLE_PIC_BASE.
10140 (use_return_insn): Only test for a pic register if it is fixed.
10141 (arm_compute_save_reg0_reg12_mask): Likewise.
10142 (thumb_compute_save_reg_mask): Likewise.
10143 (legitimate_pic_operand): Factor out some known invariants.
10144 (legitimize_pic_address): If we don't have a fixed pic register,
10145 then set up a pseudo in the function entry sequence. Handle the
10146 pic base being in a pseudo.
10147 (arm_load_pic_register): Handle the pic register being in a pseudo.
10148 (arm_expand_prologue): Only set up the pic register if it is fixed.
10149 (thumb_expand_prologue): Likewise.
10150 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10151 (pic_load_addr_based_insn): Likewise.
10152 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10153 fixed.
10155 2006-01-18 Ben Elliston <bje@au.ibm.com>
10157 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10158 decimal float modes for all floating point registers.
10160 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10161 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10163 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10165 PR c/25682
10166 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10167 even when the pointer is not NULL.
10169 2006-01-16 Ian Lance Taylor <ian@airs.com>
10171 * common.opt (ftoplevel-reorder): New option.
10172 * cgraph.c (cgraph_asm_nodes): New global variable.
10173 (cgraph_asm_last_node): New static variable.
10174 (cgraph_order): New global variable.
10175 (cgraph_create_node): Set new order field.
10176 (cgraph_varpool_node): Likewise.
10177 (decide_is_variable_needed): Return true if not
10178 flag_toplevel_reorder.
10179 (cgraph_add_asm_node): New function.
10180 * cgraph.h (struct cgraph_node): Add order field.
10181 (struct cgraph_varpool_node): Add order field.
10182 (struct cgraph_asm_node): Define.
10183 (cgraph_asm_nodes, cgraph_order): Declare.
10184 (cgraph_add_asm_node): Declare.
10185 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10186 function.
10187 (cgraph_varpool_assemble_pending_decls): Call it.
10188 (cgraph_output_pending_asms): New static function.
10189 (cgraph_finalize_compilation_unit): Call it.
10190 (struct cgraph_order_sort): Define.
10191 (cgraph_output_in_order): New static function.
10192 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10193 !flag_toplevel_reorder case.
10194 * c-parser.c: Include "cgraph.h".
10195 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10196 assemble_asm.
10197 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10198 than -fno-unit-at-a-time.
10199 * doc/invoke.texi (Option Summary): Mention
10200 -fno-toplevel-reorder.
10201 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10202 -funit-at-a-time documentation.
10204 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10205 Kazu Hirata <kazu@codesourcery.com>
10207 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10209 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10211 * Makefile.in (FUNCTION_H): New. Use it instead of
10212 function.h throughout the file.
10213 * function.h: Include tree.h.
10215 2006-01-17 Ben Elliston <bje@au.ibm.com>
10217 * recog.c: Separate some functions with whitespace.
10219 2006-01-16 Richard Henderson <rth@redhat.com>
10221 Merge from gomp branch:
10222 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10223 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10224 and rename from struct inline_data. Rename callee* to dst*;
10225 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10226 transform_new_cfg, transform_return_to_modify, and
10227 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10228 update_clones_p.
10229 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10230 (copy_decl_for_dup): Remove.
10231 * tree-inline.c (struct inline_data): Move to header.
10232 (insert_decl_map): Export.
10233 (remap_decl): Update for member name changes. Use copy_decl hook.
10234 Allow for replacement to be a non-decl. Remove dead code.
10235 (remap_type_1): Check for existing mapping.
10236 (remap_type): Export.
10237 (remap_decls): Update for member name changes.
10238 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10239 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10240 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10241 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10242 (tree_function_versioning, build_duplicate_type): Likewise.
10243 (copy_body_r): Likewise. Export.
10244 (copy_decl_for_dup): Split into ...
10245 (copy_decl_for_dup_finish, copy_decl_to_var,
10246 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10247 (replace_ref_tree, inlining_p): Remove.
10249 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10251 * ifcvt.c (if_convert): Make it static.
10252 * rtl.h: Remove the prototype for if_convert.
10254 * local-alloc.c (local_alloc): Make it static.
10255 * rtl.h: Remove the prototype for local_alloc.
10257 * loop.c (loop_optimize): Make it static.
10258 * cfgloop.h: Remove the prototype for loop_optimize.
10259 * rtl.h: Likewise.
10261 2006-01-16 DJ Delorie <dj@redhat.com>
10263 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10264 mems.
10266 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10268 * pa.md: Disparage copies between general and floating-point registers
10269 in 32-bit move patterns.
10271 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10273 PR testsuite/25741
10274 * Makefile.in (check-%): Depend on site.exp instead of
10275 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10276 directories.
10278 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10280 * global.c (global_alloc): Make it static.
10281 * rtl.h: Remove the prototype for global_alloc.
10283 2006-01-16 Richard Guenther <rguenther@suse.de>
10285 * tree-ssa-alias.c (struct used_part): Add write_only field.
10286 (get_or_create_used_part_for): Initialize it to true.
10287 (create_overlap_variables_for): Don't create structure variables
10288 for structures that only are written to.
10289 (find_used_portions): Handle MODIFY_EXPR to track whether a
10290 structure is only written to.
10292 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10294 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10295 static.
10296 * basic-block.h: Remove the prototype for
10297 partition_hot_cold_basic_blocks.
10299 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10301 * cppspec.c (lang_specific_spec_functions): Remove.
10302 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10303 * gcc.h (lang_specific_spec_functions): Remove.
10304 * gccspec.c (lang_specific_spec_functions): Remove.
10306 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10308 * combine.c (record_value_for_reg): Invalidate registers
10309 if INSN is null.
10310 (record_dead_and_set_regs_1): Likewise, by passing them to
10311 record_value_for_reg.
10312 (record_dead_and_set_regs): Invalidate stores made by a
10313 call. We do not combine across a call, but we still
10314 relied on equivalences.
10316 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10318 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10319 vrp_int_const_binop returning non-constant nodes.
10321 2006-01-16 Paul Brook <paul@codesourcery.com>
10323 * config/m68k/m68k.c (output_move_const_into_data_reg):
10324 Output correct mnemonic for mvz and mvs.
10326 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10328 * rtl-factoring.c: Add sequence abstraction algorithm.
10329 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10330 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10331 ABNORMAL edges.
10332 (block_has_preserve_label): New function.
10333 * common.opt: Register new pass.
10334 * Makefile.in: Ditto.
10335 * passes.c: Ditto.
10336 * timevar.def: Ditto.
10337 * tree-pass.h: Ditto.
10338 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10339 * rtl.h (make_jump_insn_raw): Add forward decl.
10340 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10342 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10343 Roger Sayle <roger@eyesopen.com>
10345 * fold-const.c (fold_minmax): New static function.
10346 (fold_binary) <MIN_EXPR>: Call it.
10347 <MAX_EXPR>: Likewise.
10348 * stor-layout.c (place_field): Use DECL_SIZE consistently
10349 in the computation of the new record size.
10351 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10353 * cse.c (cse_condition_code_reg): Make it static.
10354 * rtl.h: Remove the prototype for cse_condition_code_reg.
10356 * combine.c (combine_instructions): Make it static.
10357 * rtl.h: Remove the prototype for combine_instructions.
10359 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10361 PR target/25168
10362 * tree.c (get_file_function_name_long): Concatenate the first global
10363 object name with a string derived from the input filename of the object
10364 for type "F".
10366 2006-01-16 Ben Elliston <bje@au.ibm.com>
10368 * config/i386/winnt-stubs.c: Update FSF address.
10369 * config/xtensa/ieee754-df.S: Ditto.
10370 * config/xtensa/ieee754-sf.S: Ditto.
10372 2006-01-14 Ian Lance Taylor <ian@airs.com>
10374 * ifcvt.c (noce_init_if_info): New static function, broken out of
10375 noce_process_if_block.
10376 (noce_process_if_block): Call noce_init_if_info.
10377 (check_cond_move_block): New static function.
10378 (cond_move_process_if_block): New static function.
10379 (process_if_block): Call cond_move_process_if_block.
10381 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10383 * cselib.c (hash_table): Rename to cselib_hash_table.
10384 (cselib_clear_table, discard_useless_values,
10385 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10386 cselib_init, cselib_finish): Adjust uses of hash_table.
10388 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10390 PR tree-optimization/25485
10391 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10392 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10393 is known to be false and true, respectively.
10395 2006-01-14 Richard Guenther <rguenther@suse.de>
10397 PR tree-optimization/22548
10398 PR tree-optimization/22555
10399 PR tree-optimization/22501
10400 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10401 * params.def (salias-max-array-elements): New parameter.
10402 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10403 * doc/invoke.texi (salias-max-array-elements): Document.
10404 * tree-flow-inline.h (var_can_have_subvars): We also handle
10405 arrays now.
10406 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10407 COMPONENT_REF.
10408 * tree-ssa-structalias.c (params.h): Include.
10409 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10410 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10411 (get_constraint_for): For ADDR_EXPR operating on something
10412 containing an ARRAY_REF, add all subvars to the solution.
10413 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10414 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10415 for creating MUST_DEFs.
10416 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10418 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10420 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10421 functions.
10422 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10423 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10424 number_of_iterations_le): New functions.
10425 (number_of_iterations_special): Removed.
10426 (number_of_iterations_exit): Do not use number_of_iterations_special.
10427 * tree.c (unsigned_type_for): Always return integer type.
10429 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10430 Richard Guenther <rguenther@suse.de>
10432 PR rtl-optimization/24257
10433 * gcse.c (find_moveable_store): Only consider a store movable
10434 when the SET_SRC of the insn can be assigned to a register.
10436 2006-01-14 Ian Lance Taylor <ian@airs.com>
10438 * tree.c (tree_not_class_check_failed): New function.
10439 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10440 (tree_not_class_check_failed): Declare.
10442 2006-01-13 Ian Lance Taylor <ian@airs.com>
10444 * reload1.c (do_output_reload): Add assertion rejecting a
10445 CALL_INSN.
10447 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10449 * combine.c (struct reg_stat): Add new fields truncation_label and
10450 truncated_to_mode.
10451 (record_value_for_reg): Reset truncated_to_mode.
10452 (record_truncated_value): New function.
10453 (check_promoted_subreg): Call it. Rename to check_conversions.
10454 (combine_instructions): Rename check_promoted_subreg to
10455 check_conversions.
10456 (reg_truncated_to_mode): New function.
10457 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10458 (gen_lowpart_or_truncate): New function.
10459 (force_to_mode): Use it instead of gen_lowpart.
10461 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10463 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10464 VAR is a tag, not its type tag.
10466 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10468 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10469 alternatives to match style of other entries.
10470 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10472 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10474 PR tree-optimization/25771
10475 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10476 SSA_NAMES.
10478 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10480 PR tree-opt/24365
10481 * tree-inline.c (declare_return_variable): If the return variable
10482 was marked as a non gimple complex, set the return slot variable
10483 to be a non gimple comple variable.
10485 2006-01-13 Richard Guenther <rguenther@suse.de>
10487 * builtins.c (expand_builtin_sincos): New function.
10488 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10489 do not set errno.
10490 (expand_builtin): Expand sincos using expand_builtin_sincos.
10492 2006-01-12 DJ Delorie <dj@redhat.com>
10494 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10495 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10496 so that constant shifts can be split.
10497 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10498 (m32c_valid_pointer_mode): Make static.
10499 (shift_gen_func_for): New.
10500 (m32c_prepare_shift): Use it. Split large const shifts into
10501 multiple shifts.
10502 * config/m32c/predicates.md (shiftcount_operand): Allow more
10503 general operands.
10504 (longshiftcount_operand): New.
10505 * doc/md.texi (Machine Constraints): Document In6.
10507 2006-01-13 Ben Elliston <bje@au.ibm.com>
10509 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10510 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10511 documentation.
10513 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10515 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10516 to try to avoid clobbering pieces of structures when we know
10517 something about the whole structure.
10518 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10520 2006-01-13 Ben Elliston <bje@au.ibm.com>
10522 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10523 return in memory, as this is no limitation is no longer present.
10525 2006-01-12 DJ Delorie <dj@redhat.com>
10527 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10528 mova with fb, and for fb+0 -> An.
10530 * config/m32c/mov.md (peephole2): Fix enabling logic.
10532 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10533 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10534 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10535 FINI_ARRAY_SECTION_ASM_OP): Define.
10537 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10538 variable.
10539 (m32c_legitimize_reload_address): New logic to reload FB to An.
10540 (m32c_output_reg_push): Add newline.
10541 (m32c_output_reg_pop): Likewise.
10543 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10545 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10547 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10549 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10551 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10553 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10554 match_code.
10556 2006-01-11 Ben Elliston <bje@au.ibm.com>
10558 * rtlanal.c (find_reg_note): Assert insn is not null.
10560 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10562 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10563 ifdef.
10565 2006-01-11 Jeff Law <law@redhat.com>
10567 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10568 hold edge pairs.
10569 (mark_threaded_blocks, register_jump_thread): New functions.
10570 (thread_through_all_blocks): Remove unwanted argument. No
10571 longer rely on e->aux to communicate thread target info.
10572 Call mark_threaded_blocks. Release the threaded_blocks
10573 bitmap and threaded_edges vector when complete.
10574 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10575 (threaded_blocks): Remove.
10576 (tree_ssa_dominator_optimize): Remove initialization and
10577 finalization of threaded_blocks. Simplify call to
10578 thread_through_all_blocks.
10579 (thread_across_edge): Call register_jump_thread rather than
10580 storing thread information into e->aux.
10581 (free_all_edge_infos): Simplify now that e->aux is no longer
10582 used to communicate with thread_through_all_blocks.
10583 * tree-flow.h (thread_through_all_blocks): Update prototype.
10584 (register_jump_thread): Prototype.
10586 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10588 * df-core.c (df_compact_blocks, df_bb_replace): Use
10589 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10591 2006-01-11 Richard Guenther <rguenther@suse.de>
10593 PR tree-optimization/25734
10594 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10595 stop propagation after successful propagation to the LHS.
10597 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10599 * basic-block.h (control_flow_graph): Change the type of
10600 x_basic_block_info to VEC(basic_block,gc) *.
10601 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10602 basic_block_info.
10603 (SET_BASIC_BLOCK): New.
10604 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10605 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10606 * cfgbuild.c (find_basic_blocks): Likewise.
10607 * cfglayout.c (fixup_reorder_chain): Likewise.
10608 * cfgrtl.c (create_basic_block_structure,
10609 rtl_create_basic_block): Likewise.
10610 * ifcvt.c (find_if_case_1): Likewise.
10611 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10612 Likewise.
10614 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10616 * Makefile.in: Removed rotted odf.c entry.
10618 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10620 PR target/25706
10621 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10622 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10623 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10624 output pattern modifier, not %e.
10625 * config/cris/cris.c (cris_op_str): Update comment about pattern
10626 modifier.
10627 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10628 before falling through into...
10629 <case 'E'>: Redefined from old 'e' case.
10631 2006-01-11 Jan Hubicka <jh@suse.cz>
10633 PR target/25042
10634 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10636 2006-01-11 Jan Hubicka <jh@suse.cz>
10638 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10639 * i386.c (x86_decompose_lea): Kill.
10640 (ix86_rtx_costs): Kill.
10642 2006-01-11 Jan Hubicka <jh@suse.cz>
10644 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10645 * cgraph.h (cgraph_node): Add inline_decl.
10646 (cgraph_insert_node_to_hashtable): Declare.
10647 (save_inline_function_body): Declare.
10648 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10649 clones.
10650 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10651 (cgraph_function_versioning): Update call of tree_function_versioning.
10652 (save_inline_function_body): New function.
10653 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10654 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10655 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10656 (cgraph_default_inline_p): Likewise.
10657 (cgraph_decide_inlining_incrementally): Likewise.
10658 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10659 (copy_bb): Kill saving; do updating of clones.
10660 (copy_cfg_body): Kill saving.
10661 (initialize_inlined-parameters): Likewise.
10662 (expand_call_inline): Likewise.
10663 (save_body): Kill.
10664 (tree_function_versioning): New parameter "update_clones".
10665 (inlining_p): Kill saving.
10666 * tree-inline.h (tree_function_versioning): Update prototype.
10667 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10668 saving.
10670 2006-01-11 Ian Lance Taylor <ian@airs.com>
10672 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10673 Allow undoing set of machine mode.
10674 (do_SUBST): Use enums instead of is_int.
10675 (do_SUBST_MODE): New function.
10676 (SUBST_MODE): New macro.
10677 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10678 reg and trying to replace reg_regno_rtx with a new register.
10679 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10680 (simplify_set): Use SUBST_MODE.
10681 (distribute_notes): Remove code that tried to update reg notes
10682 for regno_reg_rtx changes.
10684 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10686 PR tree-optimization/23109
10687 PR tree-optimization/23948
10688 PR tree-optimization/24123
10690 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10691 * tree-cfg.c (single_noncomplex_succ): New.
10692 * tree-flow.h (single_noncomplex_succ): Declare it.
10693 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10694 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10695 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10696 insert_bb, register_division_in, insert_reciprocals,
10697 replace_reciprocal, free_bb): New.
10698 (execute_cse_reciprocals_1): Rewritten.
10699 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10700 Do not commit any edge insertion. Always compute dominators and
10701 create the allocation pool.
10702 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10703 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10704 * targhooks.c (default_min_divistions_for_recip_mul): New.
10705 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10706 * passes.c (init_optimization_passes): Run recip after tree loop
10707 optimizations.
10708 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10710 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10711 Kenneth Zadeck <zadeck@naturalbridge.com>
10713 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10714 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10715 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10716 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10717 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10718 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10719 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10720 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10721 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10722 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10723 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10724 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10725 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10726 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10727 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10728 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10729 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10730 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10731 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10732 DF_SCAN_POST_ALLOC): New macros.
10733 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10734 df_free_bb_function, df_local_compute_function, df_init_function,
10735 df_dataflow_function, df_confluence_function_0,
10736 df_confluence_function_n, df_transfer_function,
10737 df_finalizer_function, df_free_function, df_dump_problem_function,
10738 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10739 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10740 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10741 df_urec_bb_info, ) New types.
10742 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10743 variables.
10744 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10745 df_analyze_simple_change_some_blocks,
10746 df_analyze_simple_change_one_block, df_compact_blocks,
10747 df_bb_replace, df_bb_regno_last_use_find,
10748 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10749 df_insn_regno_def_p, df_find_def, df_find_use,
10750 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10751 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10752 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10753 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10754 debug_df_chain, df_get_dependent_problem, df_chain_create,
10755 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10756 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10757 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10758 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10759 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10760 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10761 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10762 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10763 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10764 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10765 df_reorganize_refs, df_set_state, df_hard_reg_init,
10766 df_read_modify_subreg_p) New public functions.
10767 * df-core.c: The core dataflow solver and glue routines for rtl
10768 dataflow.
10769 (df_init, df_add_problem, df_set_blocks, df_finish,
10770 df_hybrid_search_forward, df_hybrid_search_backward,
10771 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10772 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10773 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10774 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10775 df_reg_defined, df_find_use, df_reg_used, df_dump,
10776 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10777 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10778 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10779 debug_df_useno, reset_df_after_reload): New functions.
10780 * df-scan.c: The scanning fuctions, once in df.c, completely
10781 rewritten so that they now fully model the functionality of
10782 register usage at the backend.
10783 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10784 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10785 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10786 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10787 df_get_artificial_defs, df_get_artificial_uses,
10788 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10789 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10790 df_refs_delete, df_reorganize_refs, df_set_state,
10791 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10792 df_def_record_1, df_defs_record, df_uses_record,
10793 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10794 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10795 df_record_exit_block_uses, df_hard_reg_init): New functions.
10797 * df-problems.c: Seven concrete dataflow problems that use the
10798 scanning in df-scan.c and are solved by the engine in df-core.c.
10799 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10800 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10801 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10802 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10803 df_ru_free_bb_info, df_ru_alloc,
10804 df_ru_bb_local_compute_process_def,
10805 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10806 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10807 df_ru_transfer_function, df_ru_free, df_ru_dump,
10808 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10809 df_rd_free_bb_info, df_rd_alloc,
10810 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10811 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10812 df_rd_transfer_function, df_rd_free, df_rd_dump,
10813 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10814 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10815 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10816 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10817 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10818 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10819 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10820 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10821 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10822 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10823 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10824 df_urec_mark_reg_use_for_earlyclobber,
10825 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10826 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10827 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10828 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10829 df_chain_create_bb_process_use, df_chain_create_bb,
10830 df_chain_finalize, df_chain_free, df_chains_dump,
10831 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10832 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10833 df_reg_lifetime): New functions.
10834 * df.c: Deleted file.
10835 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10836 consistent with new df api.
10837 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10838 rest_of_handle_sms): Ditto.
10839 * web.c (unionfind_union, union_defs, entry_register, web_main):
10840 Ditto.
10841 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10842 invariant_expr_equal_p, find_defs, check_dependencies,
10843 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10844 free_inv_motion_data, move_loop_invariants): Ditto.
10845 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10846 Update dependencies.
10847 (odf.c): Added defective entry that was deleted later in day.
10848 * sched-deps.c (sched_analyze_1): Ditto.
10850 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10852 * tree-ssa-operands.c (get_expr_operands): Record addressable
10853 variables directly. Do not call add_stmt_operands for CONST_DECLs
10854 and ARRAY_DECLs.
10855 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10856 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10858 2006-01-11 Ben Elliston <bje@au.ibm.com>
10860 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10861 function returns true in the positive case.
10863 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10865 PR target/20754
10866 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10867 for SI, DI, SF and DF modes. Add alternatives to copy between
10868 general and floating point registers to the 32-bit patterns.
10869 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10870 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10871 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10872 generating 64-bit code.
10873 * config/pa/pa.c (output_move_double): Handle copies between general
10874 and floating registers.
10876 2006-01-10 Stuart Hastings <stuart@apple.com>
10878 * config/i386/i386.md (set_got): Update.
10879 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10880 (builtin_setjmp_receiver): Mach-O support.
10881 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10882 (GOT_SYMBOL_NAME): Define.
10883 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10884 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10885 * config/i386/i386.c (override_options): Revise for Darwin.
10886 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10887 support. (darwin_x86_file_end): New. (output_set_got): Add label
10888 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10889 * config/i386/i386-protos.h (output_set_got): Likewise.
10890 * config/darwin.c (machopic_legitimize_pic_address): Update
10891 regs_ever_live[].
10893 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10895 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10896 when MODE isn't BLKmode.
10898 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10900 PR rtl-optimization/25367
10901 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10903 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10905 PR target/25718
10906 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10907 for a negative bound.
10909 2006-01-10 Richard Guenther <rguenther@suse.de>
10911 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10912 Never override with anything constraint.
10914 2006-01-10 Jan Beulich <jbeulich@novell.com>
10916 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10917 256 bits when optimize_size.
10919 2006-01-10 Jan Beulich <jbeulich@novell.com>
10921 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10922 MASK_ALIGN_DOUBLE.
10923 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10924 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10925 arguments.
10927 2006-01-10 Ben Elliston <bje@au.ibm.com>
10929 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10930 float modes.
10931 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10932 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10933 (USE_FP_FOR_ARG): Reject decimal float modes.
10934 (function_arg_advance): Likewise.
10935 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10936 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10937 point types in AltiVec vectors.
10938 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10939 (rs6000_libcall_value): Likewise.
10941 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10943 * config/xtensa/ieee754-df.S: New file.
10944 * config/xtensa/ieee754-sf.S: New file.
10945 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10946 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10947 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10949 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10951 * config/sh/predicates.md (binary_float_operator,
10952 binary_logical_operator, commutative_float_operator,
10953 equality_comparison_operator, greater_comparison_operator,
10954 less_comparison_operator, logical_operator,
10955 noncommutative_float_operator, shift_operator,
10956 symbol_ref_operand, unary_float_operator): Remove redundant
10957 conditionals.
10959 2006-01-09 Jeff Law <law@redhat.com>
10961 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10962 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10963 now unused arguments. Callers updated.
10964 (eliminate_redundant_computations): Remove now unused arguments,
10965 callers updated.
10966 (local_fold): Remove, no longer used.
10967 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10968 and moved to...
10969 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10970 (simplify_cond): New function.
10971 (forward_propagate_into_cond): Call simplify_cond.
10973 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10975 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10976 (*vec_extractv2di_1_sse): New.
10978 2006-01-09 Ben Elliston <bje@au.ibm.com>
10980 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10982 2006-01-08 Richard Guenther <rguenther@suse.de>
10984 * tree-ssa-structalias.c (get_constraint_for): Remove
10985 anyoffset argument.
10986 (get_constraint_for_component_ref): Likewise.
10987 (do_deref): Likewise.
10988 (get_constraint_for): Likewise.
10989 (do_structure_copy): Likewise.
10990 (handle_ptr_arith): Likewise.
10991 (find_func_aliases): Likewise. Remove unused need_anyoffset
10992 variable.
10994 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10995 Kaz Kojima <kkojima@gcc.gnu.org>
10997 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10998 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10999 (EXTRA_CONSTRAINT_C16): Remove.
11000 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11001 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11002 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11003 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11004 constants of SHmedia. Handle nested constant expressions of
11005 SHmedia correctly.
11006 (andcosts): Fix the costs for SHmedia constants.
11007 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11008 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11009 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11010 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11011 (movv4hi_i, movv2si_i): Likewise.
11012 (movsi_const): Adjust the second operand of ior so to match with
11013 the Csu constraint.
11014 (movdi_const, movdi_const_32bit): Likewise.
11015 (movdi_const_16bit+1): Don't sign-extend LOW.
11016 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11017 step.
11018 (*double_shori): Fix the split condition. Use GEN_INT instead
11019 of get_int_mode calls. Mask lower 16-bit of the argument of
11020 the last GEN_INT.
11021 (sym2GOTPLT): Remove.
11022 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11023 gen_rtx_UNSPEC.
11024 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11025 instead of EXTRA_CONSTRAINT_C16.
11027 2006-01-07 Ian Lance Taylor <ian@airs.com>
11028 David Edelsohn <edelsohn@gnu.org>
11030 PR rtl-optimization/25662
11031 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11032 for constant operands instead of simplify_gen_binary.
11033 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11034 after trying simplify_binary_operation
11036 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11038 * tree.c (iterative_hash_expr): Hash decls based on UID.
11040 2006-01-06 Eric Christopher <echristo@apple.com>
11042 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11043 (TARGET_UNWIND_EMIT): Fix spelling.
11044 * target.h (gcc_target): Add except_table_label.
11045 * except.c (output_function_exception_table): Use.
11046 * varasm.c (default_emit_except_table_label): New.
11047 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11048 define.
11049 (asm_out): Add here.
11050 * output.h (default_emit_except_table_label): Prototype.
11051 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11052 * config/darwin.c (darwin_emit_except_table_label): Define.
11053 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11055 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11057 PR tree-optimization/18527
11058 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11059 number_of_iterations_special, number_of_iterations_exit):
11060 Move base and step of an iv to a single structure. Add
11061 no_overflow flag, and use it in # of iterations analysis.
11062 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11063 folded_casts argument.
11064 (simple_iv): Pass base and step in a structure. Set no_overflow
11065 flag.
11066 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11067 Evaluate expensiveness of computing # of iterations instead of
11068 the final expression.
11069 * tree-scalar-evolution.h (affine_iv): New structure.
11070 (simple_iv): Declaration changed.
11071 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11072 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11073 find_givs_in_stmt): Changed due to simple_iv change.
11075 2006-01-06 Jeff Law <law@redhat.com>
11077 PR ada/24994
11078 * tree-cfg.c (bsi_replace): Rename final argument from
11079 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11080 change (stmt -> orig_stmt).
11081 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11082 (bsi_remove): Add new argument. Remove EH information
11083 if requested.
11084 (verify_eh_throw_table_statements): New function.
11085 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11086 updated.
11087 * tree-optimize.c (execute_free_cfg_annotations): Verify
11088 the EH throw statement table after removing annotations.
11089 * except.h (verify_eh_throw_table_statements): Prototype.
11090 * tree-flow.h (bsi_remove): Update prototype.
11091 * tree-vrp.c (remove_range_assertions): Add new argument to
11092 bsi_remove call.
11093 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11094 * tree-complex.c (expand_complex_div_wide): Likewise.
11095 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11096 * tree-tailcall.c (eliminate_tailcall): Likewise.
11097 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11098 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11099 * tree-nrv.c (tree_nrv): Likewise.
11100 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11101 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11102 (combine_blocks): Likewise.
11103 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11104 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11105 (cleanup_control_flow): Likewise.
11106 (remove_forwarder_block): Likewise.
11107 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11108 * tree-sra.c (sra_replace): Likewise.
11109 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11110 (forward_propagate_single_use_vars): Likewise.
11111 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11112 * tree-inline.c (expand_call_inline): Likewise.
11113 * tree-vect-transform.c (vect_transform_loop): Likewise.
11114 * tree-outof-ssa.c (rewrite_trees): Likewise.
11115 * tree-cfg.c (make_goto_expr_edges): Likewise.
11116 (cleanup_dead_labels): Likewise.
11117 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11118 (bsi_move_before, bsi_move_after): Likewise.
11119 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11120 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11122 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11124 PR tree-opt/25528
11125 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11126 and IMAGPART_EXPR.
11127 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11128 on non gimple variables. Also add checks at the top for decls and
11129 mtags.
11130 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11131 complex types.
11132 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11133 and IMAGPART_EXPR for creating MUST_DEFs.
11134 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11135 and NAME_MEMORY_TAG separately from the DECLs.
11137 2006-01-06 Richard Guenther <rguenther@suse.de>
11139 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11140 annotation, if necessary.
11141 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11142 redundant calls to update_stmt.
11143 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11144 Likewise.
11146 2006-01-05 Richard Henderson <rth@redhat.com>
11148 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11150 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11152 * c-typeck.c: Update copyright date.
11154 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11156 * c-typeck.c (build_c_cast): Always warn when casting
11157 from a pointer to an integer of different size, even if
11158 the node was constant.
11160 2006-01-05 Richard Guenther <rguenther@suse.de>
11162 PR tree-optimization/22555
11163 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11164 if one structure field is an array.
11165 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11166 operands even if we found a subvar, but ignore VOPs in this
11167 case.
11168 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11169 for renaming.
11170 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11172 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11174 PR middle-end/24998
11175 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11177 2006-01-05 Richard Guenther <rguenther@suse.de>
11178 Diego Novillo <dnovillo@redhat.com>
11180 * tree-pass.h (TODO_remove_unused_locals): Define.
11181 * gimple-low.c (expand_var_p, remove_useless_vars,
11182 pass_remove_useless_vars): Remove. Update all users.
11183 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11184 (remove_unused_locals): New function.
11185 * tree-flow.h (remove_unused_locals): Declare.
11186 * passes.c (execute_todo): Call remove_unused_locals if
11187 TODO_remove_unused_locals is set.
11188 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11189 * tree-ssa-dce.c (pass_dce): Likewise.
11190 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11192 2006-01-05 Richard Guenther <rguenther@suse.de>
11194 * tree-flow.h (struct fieldoff): Decompose field to
11195 type, size and decl.
11196 * tree-ssa-alias.c (create_sft): Take type as parameter.
11197 (create_overlap_variables_for): Store type, size and decl
11198 in the fieldoff structure.
11199 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11200 of struct fieldoff.
11201 (push_fields_onto_fieldstack): Likewise.
11202 (create_variable_info_for): Likewise. Use offset for the
11203 SFT name if the decl is not available.
11205 2006-01-04 Paul Brook <paul@codesourcery.com>
11207 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11209 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11211 * lambda-code.c (can_put_in_inner_loop): Relax
11212 restrictions.
11213 (can_put_after_inner_loop): New function.
11214 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11215 (perfect_nestify): Change to make copies and modify uses.
11217 2006-01-04 Richard Henderson <rth@redhat.com>
11219 Merge from gomp branch:
11220 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11221 via integer constant.
11222 (pragma_lex): Remove.
11223 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11224 rather than parsing it.
11225 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11226 handle_pragma_extern_prefix): Add %< %> quotes.
11227 (registered_pragmas): New.
11228 (c_register_pragma_1): New.
11229 (c_register_pragma): Use it.
11230 (c_register_pragma_with_expansion): Likewise.
11231 (c_invoke_pragma_handler): New.
11232 (init_pragma): Use cpp_register_deferred_pragma directly for
11233 pch_preprocess.
11234 * c-pragma.h (enum pragma_kind): New.
11235 (pragma_handler): New.
11236 (c_invoke_pragma_handler): Declare.
11237 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11238 CPP_PRAGMA_EOL.
11239 * c-common.h (c_common_pch_pragma): Update decl.
11240 * Makefile.in (c-parser.o): Update dependencies.
11241 (GTFILES): Add c-pragma.h.
11242 * c-parser.c (struct c_token): Add pragma_kind.
11243 (struct c_parser): Add in_pragma.
11244 (c_lex_one_token): Always initialize keyword and pragma_kind.
11245 Extract data for CPP_PRAGMA.
11246 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11247 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11248 Don't allow CPP_PRAGMA_EOL if in_pragma.
11249 (c_parser_consume_pragma): New.
11250 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11251 (c_parser_skip_to_end_of_parameter): Likewise.
11252 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11253 (c_parser_skip_to_pragma_eol): New.
11254 (c_parser_external_declaration): Handle CPP_PRAGMA.
11255 (c_parser_compound_statement_nostart): Likewise.
11256 (c_parser_statement_after_labels): Likewise.
11257 (c_parser_pragma): New.
11258 (pragma_lex): Likewise.
11259 (c_parser_pragma_pch_preprocess): New.
11260 (c_parser_new): Merge into ...
11261 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11263 2006-01-04 Jeff Law <law@redhat.com>
11265 PR ada/24994
11266 * tree-cfg.c (bsi_replace): Remove the original statement
11267 from the EH throw statement table.
11269 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11271 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11272 make the prototype extern "C" and add throw ().
11274 PR target/25554
11275 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11276 and pos non-negative and pos + len <= 32.
11277 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11278 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11279 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11281 PR c/25559
11282 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11283 as well as sizes not multiple of component size.
11285 PR debug/25562
11286 * function.c (instantiate_expr): New function.
11287 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11288 walk its DECL_VALUE_EXPR with instantiate_expr.
11290 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11291 DW_OP_deref{,_size} if address isn't going to be added.
11293 2006-01-04 Ben Elliston <bje@au.ibm.com>
11295 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11296 * config/fp-bit.c: Likewise.
11298 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11300 * dominance.c: Add comment about why we use DFS numbering
11301 of dominance tree.
11303 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11304 Richard Henderson <rth@redhat.com>
11306 Merge from gomp-branch:
11307 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11308 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11310 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11312 PR rtl-optimization/25578
11313 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11314 pass a parameter to simplify_shift_const if changing ASHIFTRT
11315 to LSHIFTRT.
11317 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11319 * builtins.c (get_builtin_sync_mem): New function.
11320 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11321 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11322 Call get_builtin_sync_mem to generate mem rtx.
11324 2006-01-03 Richard Guenther <rguenther@suse.de>
11326 PR c/25183
11327 * stmt.c (add_case_node): Make sure to clear overflow flags
11328 from ranges.
11330 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11332 Merge from gomp-branch.
11333 * config/sparc/sync.md: New file.
11334 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11335 UNSPECV_LDSTUB): New constants.
11336 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11337 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11338 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11339 prototype.
11341 2006-01-03 Roger Sayle <roger@eyesopen.com>
11343 * combine.c (reg_subword_p): New predicate to test whether the
11344 destination of a set refers to a subword/piece of a register.
11345 (try_combine): Generalize the code to merge the setting of a
11346 pseudo to a constant followed by a set of a subword of that
11347 register to a constant.
11349 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11351 * basic-block.h (control_flow_graph): Change the type of
11352 x_label_to_block_map to VEC(basic_block,gc) *.
11353 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11354 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11356 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11357 VEC(basic_block,heap) *.
11358 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11359 ssa_prop_fini): Adjust the uses of cfg_blocks.
11361 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11363 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11364 COMPONENT_REFs.
11365 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11366 hashing trees instead of a pointer hash.
11367 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11368 compare for MEM_EXPR.
11370 PR rtl-optimization/25130
11371 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11372 when comparing MEMs for GCSE
11374 2006-01-03 Ben Elliston <bje@au.ibm.com>
11376 * targhooks.h (default_decimal_float_supported_p): Declare.
11377 * targhooks.c (default_decimal_float_supported_p): Define.
11378 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11379 `default_decimal_float_supported_p'.
11380 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11382 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11384 * combine.c (apply_distributive_law <SUBREG>): Check
11385 TRULY_NOOP_TRUNCATION.
11387 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11389 * dwarf2out.c (have_switched_text_section): Delete.
11390 (have_multiple_function_sections): New.
11391 (have_location_lists): Make 'bool'.
11392 (add_AT_loc_list): Use 'true' not '1'.
11393 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11394 (output_loc_list): Use have_multiple_function_sections.
11395 (output_ranges): Likewise.
11396 (dwarf2out_begin_function): Set have_multiple_function_sections if
11397 necessary.
11398 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11399 Check function_section rather than DECL_SECTION_NAME.
11400 (dwarf2out_finish): Use have_multiple_function_sections.
11401 Don't clear have_location_lists.
11403 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11404 Jan Hubicka <jh@suse.cz>
11406 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11407 case of conditional jump jumping to the next instruction.
11408 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11409 cases of conditional jump jumping to the next instruction.
11411 2006-01-02 Jan Hubicka <jh@suse.cz>
11413 * i386.c (*_cost): Add COSTS_N_INSNS.
11414 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11416 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11418 PR target/25259
11419 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11421 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11423 * config/arm/arm.c (all_fpus): Fix comment typo.
11424 * config/darwin.c: Likewise.
11425 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11426 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11427 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11429 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11431 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11432 (rs6000_split_compare_and_swapqhi): New.
11433 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11434 (sync_compare_and_swapqhi_internal): New.
11435 * config/rs6000/rs6000-protos.h: Declare.