1 2006-03-27 Roger Sayle <roger@eyesopen.com>
4 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5 cast BIT_NOT_EXPR operand to the correct type.
7 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9 * tree-loop-linear.c: Don't include varray.h.
10 (gather_interchange_stats, try_interchange_loops,
11 linear_transform_loops): Use VEC instead of VARRAY.
12 * lambda-mat.c: Don't include varray.h.
14 * lambda-trans.c: Same.
15 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
16 VEC instead of VARRAY.
17 * tree-vectorizer.h: Idem.
18 * tree-data-ref.c (dump_data_references,
19 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
20 initialize_data_dependence_relation, finalize_ddr_dependent,
21 compute_all_dependences, find_data_references_in_loop,
22 compute_data_dependences_for_loop, analyze_all_data_dependences,
23 free_dependence_relation, free_dependence_relations,
24 free_data_refs): Idem.
25 * tree-data-ref.h (data_reference_p, subscript_p): New.
26 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
27 VEC instead of VARRAY.
28 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
29 (find_data_references_in_loop, compute_data_dependences_for_loop,
30 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
31 dump_data_dependence_relations, free_dependence_relations,
32 free_data_refs): Adjust declaration.
33 (lambda_transform_legal_p): Move declaration here...
34 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
35 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
36 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
37 vect_analyze_data_refs): Use VEC instead of VARRAY.
38 * lambda.h (lambda_transform_legal_p): ...from here.
39 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
40 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
41 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
42 tree-chrec.o): Don't depend on VARRAY_H.
44 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
46 * rtl.def (Copyright): Update date.
47 (DEPS_LIST): Change type of the second operand to 'int'.
48 * target.h (Copyright): Update date.
49 (struct gcc_target.speculate_insn): Change type of the second parameter
51 * lists.c (Copyright): Update date.
52 (alloc_DEPS_LIST): Change signature. Update reference to the second
53 operand of the DEPS_LIST.
54 (copy_DEPS_LIST_list): Update reference to the second operand of the
56 * rtl.h (Copyright): Update date.
57 (alloc_DEPS_LIST): Update signature.
58 * sched-int.h (Copyright): Update date.
59 (ds_t): Change typedef to 'int'.
60 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
62 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
64 * haifa-sched.c (Copyright): Update date.
65 (try_ready): Change condition to restore non-speculative pattern
67 (process_insn_depend_be_in_spec): Code to keep probability of the
68 speculative dependence non-decreasing.
70 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
72 * regrename.c (replace_oldest_value_addr): Initialize a variable to
75 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
77 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
78 to use lib prefix for target.
79 ($(T)libic_invalidate_array_4-200.a): Likewise.
80 ($(T)libic_invalidate_array_4a.a): Likewise.
82 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
83 J"orn Rennecke <joern.rennecke@st.com>
85 * superh.opt: New file.
86 * sh.c (boardtype, osruntime): Remove.
87 * superh.h (SUBTARGET_OPTIONS): Remove.
88 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
90 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
91 arguments with ^ and/or [].
93 * config.gcc (sh-*-*): Add quoting to account for quirk of
95 Replace == with = in enable_incomplete_targets test.
97 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
98 with MASK_LITTLE_ENDIAN.
100 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
101 * config/sh/sh.opt: Added to some comments.
102 * config/sh/superh.h: Removed some chaff.
104 * config/sh/sh.opt: Add m4-[1234]00* options.
105 * config/sh/sh.c (sh_handle_option): Likewise.
106 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
107 (ic_invalidate_array_4-100.o): New rule.
108 ($(T)libic_invalidate_array_4-100.a): Likewise.
109 (ic_invalidate_array_4-200.o): Likewise.
110 ($(T)libic_invalidate_array_4-200.a): Likewise.
111 (ic_invalidate_array_4a.o): Likewise.
112 ($(T)libic_invalidate_array_4a.a): Likewise.
113 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
114 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
116 * config/sh/crt1.asm: Merged in profiling code.
117 * config/sh/superh.h (STARTFILE_SPEC): Override.
118 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
119 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
120 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
122 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
123 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
124 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
126 * sh.opt (mpretend-cmove): New option.
127 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
128 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
129 (movsicc): Add TARGET_PRETEND_CMOVE code.
131 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
133 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
134 s390_class_max_nregs): New function prototypes.
135 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
136 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
137 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
138 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
140 2006-03-26 Geoffrey Keating <geoffk@apple.com>
142 * dwarf2out.c (add_location_or_const_value_attribute): Call
143 tree_add_const_value_attribute if nothing else works.
144 (reference_to_unused): New.
145 (rtl_for_decl_init): Use reference_to_unused to decide whether
146 to output an initializer.
148 2006-03-27 Alan Modra <amodra@bigpond.net.au>
151 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
152 peephole removing spe frob_di_df_2.
154 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
156 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
157 (subscript_dependence_tester_1): Declared.
158 (print_dir_vectors, print_dist_vectors): New.
159 (debug_data_dependence_relation): New.
160 (dump_data_dependence_relation): Print more details.
161 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
162 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
163 (save_dist_v, save_dir_v, add_outer_distances,
164 build_classic_dist_vector_1): New.
165 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
166 Don't test for lambda_vector_lexico_pos.
167 (same_access_functions, add_multivariate_self_dist,
168 add_other_self_distances, dir_from_dist): New.
169 (build_classic_dir_vector): Replace implementation almost identical to
170 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
172 (subscript_dependence_tester_1): New.
173 (subscript_dependence_tester): Handle the lexicographically negative
174 distance vectors by recomputing the dependence relation.
175 (compute_affine_dependence): Remove parameter loop_nest_depth.
176 (compute_self_dependence): Don't call compute_subscript_distance.
177 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
178 Add a parameter for the loop_nest.
179 (find_loop_nest_1, find_loop_nest): New.
180 (compute_data_dependences_for_loop): Compute the loop nest, and give
181 up if the nest is not well formed.
182 * tree-data-ref.h (loop_p): New.
183 (struct data_dependence_relation): Replace size_vect field with
184 loop_nest, a vec of loops.
185 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
186 (DDR_LOOP_NEST): New.
187 (print_dir_vectors, print_dist_vectors,
188 debug_data_dependence_relation): Declared.
189 (index_in_loop_nest): New.
190 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
191 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
194 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
196 * simplify-rtx.c (simplify_relational_operation): Call
197 simplify_relational_operation_1 even if mode is VOIDmode.
199 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
201 PR tree-optimization/26804
202 * tree.h (DECL_CALL_CLOBBERED): New macro.
203 (tree_decl_common): Add call_clobbered_flag.
204 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
205 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
206 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
207 (mark_non_addressable): Ditto.
208 * tree-ssa.c (verify_call_clobbered): New function.
209 (verify_alias_info): Use it.
210 * tree-pass.h (pass_reset_cc_flags): New prototype.
211 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
212 (reset_cc_flags): New function.
213 * passes.c (init_optimization_passes): Call reset_cc_flags after
214 initializing referenced_vars.
216 2006-03-25 Uros Bizjak <uros@kss-loka.si>
217 Roger Sayle <roger@eyesopen.com>
220 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
221 to 1.0 for non-real operands. Implement A / A optimization for
224 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
226 * config/i386/i386.c (size_cost): Correct the comment for
227 cost of storing fp registers.
228 (i386_cost): Likewise.
229 (i486_cost): Likewise.
230 (pentium_cost): Likewise.
231 (pentiumpro_cost): Likewise.
233 (athlon_cost): Likewise.
235 (pentium4_cost): Likewise.
236 (nocona_cost): Likewise.
237 (generic64_cost): Likewise.
238 (generic32_cost): Likewise.
240 2006-03-24 Jeff Law <law@redhat.com>
242 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
243 directly. Call mark_new_vars_to_rename slightly earlier.
245 2006-03-24 Geoffrey Keating <geoffk@apple.com>
247 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
249 (gen_compile_unit_die): Use new language types for Objective-C and
251 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
255 * config/t-darwin (crt3.o): Work around bug 26840.
256 * config/darwin-crt3.c: Rewrite.
257 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
259 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
261 * doc/invoke.texi: Document -femit-class-debug-always
262 * common.opt: Add -femit-class-debug-always.
264 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
266 * config/s390/s390.c (s390_decompose_address): Allow SImode for
267 index and base register.
268 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
269 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
270 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
271 REGNO_OK_FOR_INDEX_P.
272 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
274 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
275 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
276 REG_OK_FOR_BASE_P): Definitions removed.
278 2006-03-24 Jakub Jelinek <jakub@redhat.com>
281 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
282 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
283 set yet or weren't marked as local yet.
285 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
287 * regrename.c (scan_rtx_address): Initialize a variable to shut up
290 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
292 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
293 (rs6000_legitimate_small_data_p): Delete.
294 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
295 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
296 and make static. Add forward declaration. Update uses.
297 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
298 of offsettable_memref_p.
299 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
300 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
302 2006-03-24 Jeff Law <law@redhat.com>
304 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
305 around bug in immediate-use iterator.
307 2006-03-24 Alan Modra <amodra@bigpond.net.au>
310 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
311 or __LITTLE_ENDIAN__.
313 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
315 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
316 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
317 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
318 * config/sh/sh.opt (mdiv=): Amend description.
319 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
320 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
321 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
322 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
323 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
324 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
325 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
326 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
327 TARGET_DIVIDE_CALL_FP.
329 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
331 * haifa-sched.c (choose_ready): Fix type of the local variable.
332 Move local variables. Add comment.
333 (check_reg_live): Change signature. Make callable from debugger.
334 * sched-int.h (check_reg_live): Update signature.
335 * sched-ebb.c (check_reg_live): Update parameters.
336 * sched-rgn.c (check_reg_live): Ditto.
337 (region_head_or_leaf_p): Check pointer before dereferencing.
338 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
339 before reload on optimization levels below 1.
341 2006-03-23 Richard Henderson <rth@redhat.com>
343 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
347 * config/alpha/predicates.md (local_symbolic_operand): Reject
350 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
353 * tree-ssa-pre.c (create_value_expr_from): Don't reject
354 expressions which have overflowed constants.
356 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
358 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
360 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
362 * cfgloopmanip.c (create_loop_notes): Removed.
363 * final.c (final_scan_insn): Do not handle loop notes.
364 * jump.c (squeeze_notes): Ditto.
365 * cfglayout.c (skip_insns_after_block,
366 duplicate_insn_chain): Ditto.
367 * cfgcleanup.c (rest_of_handle_jump2): Do not call
369 * cfgloop.h (create_loop_notes): Declaration removed.
371 2006-03-23 Richard Sandiford <richard@codesourcery.com>
373 * varasm.c (output_constant_pool): Restore fnname and fndecl
375 (assemble_start_function): Adjust call accordingly.
376 (assemble_end_function): Likewise.
378 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
381 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
384 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
386 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
389 * system.h (ICE_EXIT_CODE): New macro.
390 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
391 (diagnostic_action_after_output): Likewise.
392 * gcc.c (fatal_ice): New function.
393 (execute): Use it instead of fatal.
394 (fancy_abort): Likewise.
395 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
397 2006-03-22 Jeff Law <law@redhat.com>
399 * loop-unroll.c (analyze_iv_to_split_insn): Handle
400 iv_analyze_result returning false.
402 2006-03-22 Jie Zhang <jie.zhang@analog.com>
404 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
406 2006-03-22 Richard Henderson <rth@redhat.com>
409 * except.c (duplicate_eh_regions_0): New.
410 (duplicate_eh_region_1): Duplicate the children of the node as
411 well as the node itself. Link them up properly.
412 (duplicate_eh_region_2): Merge into ...
413 (duplicate_eh_regions): ... here. Take copy_region argument, and
414 copy only a sub-tree if asked. Simplify copying and fixup.
415 (eh_region_outer_p): New.
416 * except.h (duplicate_eh_regions): Update decl.
417 (eh_region_outer_p): Declare.
418 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
419 (lower_omp_master): Likewise.
420 (lower_omp_ordered): Likewise.
421 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
422 (move_stmt_r): Use it to remap labels. Handle recursion vs
423 remap_decls_p properly.
424 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
425 (find_outermost_region_in_block): New.
426 (new_label_mapper): New.
427 (move_sese_region_to_fn): Copy eh information to the new function
429 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
431 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
434 2006-03-22 Richard Sandiford <richard@codesourcery.com>
436 * doc/md.texi (-mshared): Mention that -mshared code can be linked
437 into shared libraries.
439 2006-03-22 Richard Sandiford <richard@codesourcery.com>
441 * doc/md.texi: Refer to i386/constraints.md instead of
443 * config/i386/constraints.md: New file, extracted from...
444 * config/i386/predicates.md: ...here.
445 * config/i386/i386.md: Include constraints.md.
447 2006-03-21 Jason Merrill <jason@redhat.com>
449 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
452 * expr.c (init_block_move_fn): Force default visibility.
453 (init_block_clear_fn): Likewise.
454 * builtins.c (expand_builtin_fork_or_exec): Likewise.
455 * targhooks.c (default_external_stack_protect_fail): Likewise.
457 2006-03-21 Richard Sandiford <richard@codesourcery.com>
459 * config/mips/predicates.md (const_call_insn_operand): Allow direct
460 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
461 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
462 Use TARGET_OLDABI instead of !TARGET_NEWABI.
463 (loadgp): Use mips_current_loadgp_style.
464 (loadgp_noshared): New pattern.
465 (sibcall_internal): Use MIPS_CALL.
466 (sibcall_value_internal): Likewise.
467 (sibcall_value_multiple_internal): Likewise.
468 (call_internal): Likewise.
469 (call_value_internal): Likewise.
470 (call_value_multiple_internal): Likewise.
471 (call_split): Use MIPS_CALL and add an 'S' constraint.
472 (call_value_split): Likewise.
473 (call_value_multiple_split): Likewise.
474 * config/mips/mips.opt (-mabicalls): Tweak docstring.
475 (-mshared): New option.
476 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
477 (mips_current_loadgp_style): Declare.
478 * config/mips/mips.c (mips_classify_symbol): Avoid using
479 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
480 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
481 TARGET_ABSOLUTE_ABICALLS.
482 (override_options): Adjust comments. Improve the warning that is
483 issued when -mabicalls and -G are used together.
484 (mips_file_start): Remove comment.
485 (mips_current_loadgp_style): New function.
486 (mips_gnu_local_gp): New variable.
487 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
489 (mips_output_function_prologue): Use mips_current_laodgp_style.
490 (mips_expand_prologue): Call mips_emit_loadgp before emitting
491 the cprestore instruction.
492 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
493 live for TARGET_ABSOLUTE_ABICALLS.
494 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
495 (ASM_SPEC): Pass down -mshared and -mno-shared.
496 (MIPS_CALL): New macro.
497 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
499 * doc/invoke.texi (-mabicalls): Update documentation.
500 (-mshared): Document.
502 2006-03-21 Steve Ellcey <sje@cup.hp.com>
504 * config/ia64/unwind-hpux.c: New file.
505 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
507 2006-03-21 Steve Ellcey <sje@cup.hp.com>
510 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
512 2006-03-21 Jeff Law <law@redhat.com>
514 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
515 type conversions of a VR_VARYING source to a wider type.
517 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
519 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
520 tm_file on Solaris 10 and later.
521 (sparc64-*-solaris2*): Likewise.
522 (sparc-*-solaris2*): Likewise.
523 * config/sol26.h: Rename to config/sol2-6.h.
524 * config/sol2-10.h: New file.
526 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
529 * tree-ssa-pre.c (create_component_ref_by_pieces):
532 2006-03-21 Jakub Jelinek <jakub@redhat.com>
535 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
536 return it immediately.
538 2006-03-21 Michael Matz <matz@suse.de>
540 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
542 (remove_arc, add_arc): Update num_out_arcs member.
543 (set_out_arc_insns_equiv_num): Returns nothing instead of number
545 (cache_presence): New function.
546 (compare_states_for_equiv): New function.
547 (state_is_differed): Don't take number of outargs, adjust callers.
548 Use new invariant for speeding up.
549 (init_equiv_class): Create initial classes based on sorted
551 (partition_equiv_class): Don't track out_arcs_num.
552 (evaluate_equiv_classes): Call cache_presence on all states and
555 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
557 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
558 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
559 (bfin_valid_reg_p): Test for pseudos explicitly and use only
560 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
562 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
563 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
564 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
565 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
566 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
568 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
569 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
570 (REGNO_REG_CLASS): ARGP is in PREGS.
571 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
573 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
574 to deal with those addresses.
575 * addresses.h: New file.
576 * caller-save.c: Include "addresses.h".
577 (init_caller_save): Use new base_reg_class function.
578 * rtl-factoring.c: Include "addresses.h".
579 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
580 * recog.c: Include "addresses.h".
581 (preprocess_constraints): Use new base_reg_class function.
582 * regrename.c: Include "addresses.h".
583 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
584 functions. Keep track of a new var INDEX_CODE to compute valid
586 (replace_oldest_value_addr): Likewise.
587 (replace_oldest_value_mem): Use base_reg_class.
588 * reload.c: Include "addresses.h".
589 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
590 (find_reloads): Use new base_reg_class function.
591 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
592 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
593 all callers and prototype changed.
594 * reload1.c: Include "addresses.h".
595 (maybe_fix_stack_asms): Use base_reg_class.
596 * regclass.c: Include "addresses.h".
597 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
598 (init_reg_autoinc): Use new base_reg_class function.
599 (record_reg_classes): Likewise.
600 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
601 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
602 Use new args to compute necessary class.
604 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
605 regrename.o, rtl-factoring.o): Update dependencies.
606 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
607 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
608 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
609 REG_OK_FOR_INDEX_P): Delete documentation.
611 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
613 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
614 from V7 to V9 for Solaris 7 and above.
616 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
618 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
619 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
620 argument pointers may not alias any other storage.
621 * common.opt: Define option -fargument-noalias-anything.
622 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
623 alias semantics is specified by flag_argument_noalias > 2.
625 2006-03-20 Jeff Law <law@redhat.com>
627 * tree-pass.h (pass_phi_only_copy_prop): Delete.
628 (pass_phi_only_cprop): Declare.
629 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
631 * tree-ssa-dom.c (degenerate_phi_result): New function.
632 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
633 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
634 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
635 (eliminate_degenerate_phis): Likewise.
636 (pass_phi_only_cprop): New pass descriptor.
637 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
638 support code. Callers updated.
639 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
640 (store_copy_prop): Likewise.
641 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
643 2006-03-20 Jason Merrill <jason@redhat.com>
646 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
647 (push_visibility, pop_visibility): Likewise.
648 * c-pragma.h: Declare them.
650 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
652 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
654 * config/sh/sh.c (find_regmode_weight): Change the type of the first
655 parameter and use get_ebb_head_tail.
656 (sh_md_init_global): Adjust uses of find_regmode_weight.
658 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
660 * function.h (struct function) <x_tail_recursion_reentry>:
661 Rename to x_stack_check_probe_note.
662 (tail_recursion_reentry): Rename to stack_check_probe_note.
663 * function.c: Replace tail_recursion_reentry with
664 stack_check_probe_note everywhere.
665 (expand_function_start): Only emit a note for
666 stack_check_probe_note with -fstack-protect.
667 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
669 * emit-rtl.c (remove_unnecessary_notes): Remove.
670 (pass_remove_unnecessary_notes): Remove.
671 * rtl.h (remove_unnecessary_notes): Remove prototype.
672 * final.c (final_start_function): Don't call remove_unnecessary_notes.
673 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
674 * passes.c (pass_remove_unnecessary_notes): Don't run it.
676 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
679 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
680 (valid_in_set): Handle ARRAY_REF.
681 Change "if min_variant or VH" to asserts.
682 (create_component_ref_by_pieces): Handle ARRAY_REF.
683 (create_expression_by_pieces): Likewise.
684 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
686 2006-03-20 David Edelsohn <edelsohn@gnu.org>
688 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
689 is operand of switch, not str[0].
691 2006-03-20 Alan Modra <amodra@bigpond.net.au>
693 * config/rs6000/rs6000.c (rs6000_handle_option): Use
694 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
696 2006-03-19 David Edelsohn <edelsohn@gnu.org>
698 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
699 end of insn_extra_address_constraint declaration.
701 2006-03-19 David Edelsohn <edelsohn@gnu.org>
703 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
704 (no-sum-in-toc): Same.
705 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
707 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
708 NO_FP_IN_TOC for -fPIC instead of mask.
710 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
711 (BOOT_LDFLAGS): Delete.
713 * config/rs6000/t-aix52: Same.
715 * config/rs6000/rs6000.md (store_multiple_power): Delete.
716 (stmsi[345678]_power): New.
718 2006-03-17 Steve Ellcey <sje@cup.hp.com>
720 * config/ia64/ia64.opt: Add empty line to end of file.
722 2006-03-17 Richard Guenther <rguenther@suse.de>
725 * builtins.c (get_pointer_alignment): For component style references
726 adjust alignment to the component type alignment. Make sure
727 to adjust alignment for component access of constants.
729 2006-03-17 David Edelsohn <edelsohn@gnu.org>
731 * config/rs6000/rs6000.md (strlensi): Emit barrier after
734 2006-03-17 Paul Brook <paul@codesourcery.com>
736 * doc/install.texi: Docuemnt --with-mode.
737 * config.gcc: Add --with-mode for arm*-*-*.
738 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
740 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
742 * sh.c (max_labelno_before_reorg): New variable.
743 (sh_reorg): Initialize it.
744 (find_barrier): Check max_labelno_before_reorg before using
745 label_to_alignment. Take length of explicit alignment insns
746 into account. When seeing a UNSPECV_CONST_END, return it.
748 * sh.c (fixup_mova): Set mode of affected label to QImode.
749 (untangle_mova): New function.
750 (find_barrier): Use it. Check mode of label before decrementing
752 (sh_reorg): Likewise.
753 Set mode of all insns back to VOIDmode.
755 * sh.c (MOVA_LABELREF): New macro.
756 (mova_p, fixup_mova, sh_reorg): Use it.
757 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
758 ADDR_DIFF_VEC matches mova.
760 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
762 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
763 with ATTRIBUTE_UNUSED.
765 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
767 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
768 pointer, instead of assuming it is possible to derive the
769 correct args size from a call insn.
771 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
773 * rtl.h (CONST_INT_P): Define.
774 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
775 instead of GET_CODE(x) == CONST_INT.
776 (vax_rtx_costs): Likewise.
777 (vax_output_int_move): Likewise.
778 (vax_output_int_add): Likewise.
779 (legitimate_constant_address_p): Likewise.
780 (index_term_p): Likewise.
781 * config/vax/vax.h (PRINT_OPERAND): Likewise.
782 * config/vax/vax.md (and<mode>3): Likewise.
785 (movstricthi): Likewise.
786 (movstrictqi): Likewise.
788 (five unnamed insns): Likewise.
790 2006-03-16 Geoffrey Keating <geoffk@apple.com>
792 * doc/tm.texi (SDB and DWARF): Add extra parameter to
793 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
794 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
795 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
796 Pass to ASM_OUTPUT_DWARF_OFFSET.
797 * dwarf2out.c (debug_frame_section): New.
798 (output_call_frame_info): Use debug_frame_section. Pass it to
799 dw2_asm_output_offset.
800 (output_die): Pass appropriate section to dw2_asm_output_offset.
801 (output_compilation_unit_header): Likewise.
802 (output_pubnames): Likewise.
803 (output_aranges): Likewise.
804 (enum dw_val_class): Break dw_val_class_lbl_offset into
805 dw_val_class_lineptr and dw_val_class_macptr.
806 (add_AT_lbl_offset): Delete.
807 (add_AT_lineptr): New.
808 (add_AT_macptr): New.
809 (AT_lbl): Expect a lineptr or macptr.
810 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
811 (attr_checksum): Likewise.
812 (same_dw_val_p): Likewise.
813 (size_of_die): Likewise.
814 (value_format): Likewise.
815 (output_die): Likewise.
816 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
818 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
819 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
820 * config/darwin-protos.h (darwin_file_start): New.
821 (darwin_asm_output_dwarf_offset): New.
822 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
823 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
825 * config/darwin.c (darwin_emit_unwind_label): Don't output label
826 if not EH section; simplify.
827 (darwin_file_start): New.
828 (darwin_asm_output_dwarf_offset): New.
829 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
831 (DEBUG_INFO_SECTION): Likewise.
832 (DEBUG_ABBREV_SECTION): Likewise.
833 (DEBUG_ARANGES_SECTION): Likewise.
834 (DEBUG_MACINFO_SECTION): Likewise.
835 (DEBUG_LINE_SECTION): Likewise.
836 (DEBUG_LOC_SECTION): Likewise.
837 (DEBUG_PUBNAMES_SECTION): Likewise.
838 (DEBUG_STR_SECTION): Likewise.
839 (DEBUG_RANGES_SECTION): Likewise.
840 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
841 (ASM_OUTPUT_DWARF_OFFSET): New.
843 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
845 * config.gcc (tm_defines): Always add to previous value rather
848 2006-03-16 Richard Sandiford <richard@codesourcery.com>
850 * config/mips/predicates.md (splittable_const_int_operand): New,
851 split from move_operand.
852 (splittable_symbolic_operand): New.
853 (move_operand): Add commentary. Use splittable_const_int_operand.
854 Inline mips_atomic_symbolic_constant_p.
855 * config/mips/mips.md: Add combine splitters for handling moves
856 of splittable_const_int_operands and splittable_symbolic_operands.
857 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
858 (mips_split_symbol): Declare.
859 (mips_move_integer): Declare.
860 * config/mips/mips.c (mips_split_p): Make global.
861 (TARGET_MIN_ANCHOR_OFFSET): Override default.
862 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
863 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
864 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
865 (mips_offset_within_object_p): Handle block symbols.
866 (mips_atomic_symbolic_constant_p): Delete.
867 (mips_cannot_force_const_mem): Return false for constants that
868 mips_legitimize_move can handle.
869 (mips_use_blocks_for_constant_p): New function.
870 (mips_split_symbol): Make global.
871 (mips_move_integer): Likewise. Add a temporary register argument.
872 (mips_legitimize_const_move): Use splittable_const_int_operand and
873 splittable_symbolic_operand.
874 (mips_use_anchors_for_symbol_p): New function.
875 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
876 (mips_split_p): Declare.
878 2006-03-16 Richard Sandiford <richard@codesourcery.com>
880 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
881 (mips*-*-linux*): Likewise.
883 2006-03-16 Roger Sayle <roger@eyesopen.com>
884 Daniel Speyer <dspeyer@wam.umd.edu>
887 * tree-dump.c (dump_real): New function.
888 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
889 * Makefile.in (REAL_H): New macro for dependencies on real.h.
890 (tree-dump.o): Add $(REAL_H) to the dependencies.
892 2006-03-16 Roger Sayle <roger@eyesopen.com>
895 * real.c (real_from_string): If the mantissa is zero, don't bother
896 parsing the exponent as the result should always be zero.
898 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
900 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
902 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
904 * config/ia64/ia64.c (stops_p): Added explicit initialization.
905 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
906 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
907 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
908 ia64_sched_finish_global): New static functions to implement
909 hooks from gcc_target.sched.
910 (spec_check_no, max_uid, pending_data_specs): New static variables.
911 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
912 ia64_spec_check_src_p): New static functions.
913 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
914 (TARGET_SCHED_ADJUST_COST): Removed.
915 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
916 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
917 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
918 TARGET_SCHED_GEN_CHECK,
919 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
920 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
921 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
922 Fixed to handle speculation checks.
923 (rtx_needs_barrier): Fixed to handle speculative loads and
925 (ia64_variable_issue): Added code to count speculative loads and their
927 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
929 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
931 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
933 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
934 (ia64_reorg): Reset stops_p to NULL after it is freed.
935 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
936 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
937 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
939 (data_speculative, control_speculative, check_load): New attributes.
940 (mov<mode>_advanced, mov<mode>_speculative,
941 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
942 zero_extend<mode>di2_speculative,
943 zero_extend<mode>di2_speculative_advanced): New patterns for
944 data and control speculative loads.
945 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
947 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
948 New pattern for data and control speculation checks.
949 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
950 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
951 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
952 Auxiliary definitions for the patterns.
953 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
954 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
956 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
958 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
959 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
960 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
961 New resource constraints.
962 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
964 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
965 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
966 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
967 msched-in-control-spec, msched-ldc, msched-control-ldc,
968 msched-spec-verbose, msched-prefer-non-data-spec-insns,
969 msched-prefer-non-control-spec-insns,
970 msched-count-spec-in-critical-path): New flags to tune speculative
972 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
973 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
974 msched-in-control-spec, msched-ldc, msched-control-ldc,
975 msched-spec-verbose, msched-prefer-non-data-spec-insns,
976 msched-prefer-non-control-spec-insns,
977 msched-count-spec-in-critical-path): Document new flags.
979 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
981 * target.h (struct spec_info_def): New opaque declaration.
982 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
983 speculate_insn, needs_block_p, gen_check,
984 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
985 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
986 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
987 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
988 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
989 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
991 (TARGET_SCHED): Use new macros.
992 * rtl.h (copy_DEPS_LIST_list): New prototype.
993 * sched-int.h (struct sched_info): Change signature of new_ready field,
994 adjust all initializations. New fields: add_remove_insn,
995 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
996 region_head_or_leaf_p.
997 (struct spec_info_def): New structure declaration.
998 (spec_info_t): New typedef.
999 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1000 recovery_block, orig_pat.
1001 (glat_start, glat_end): New variables declaraions.
1002 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1004 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1005 DETACH_LIFE_INFO, USE_GLAT.
1006 (enum SPEC_SCHED_FLAGS): New enumeration.
1007 (NOTE_NOTE_BB_P): New macro.
1008 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1009 attach_life_info, debug_spec_status, check_reg_live): New functions.
1010 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1011 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1013 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1014 * ddg.c (get_block_head_tail): Adjust all uses.
1015 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1016 (sms_sched_info): Initialize new fields.
1017 (contributes_to_priority): Removed.
1018 * haifa-sched.c (params.h): New include.
1019 (get_block_head_tail): Adjust all uses.
1020 (ISSUE_POINTS): New macro.
1021 (glat_start, glat_end): New global variables.
1022 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1023 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1024 old_last_basic_block, before_recovery, current_sched_info_var,
1025 rgn_n_insns, luid): New static variables.
1026 (insn_cost1): New function. Move logic from insn_cost to here.
1027 (find_insn_reg_weight1): New function. Move logic from
1028 find_insn_reg_weight to here.
1029 (reemit_notes, move_insn, max_issue): Change signature.
1030 (move_insn1): Removed.
1031 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1032 extend_bb): New static functions to support extension of scheduler's
1034 (generate_recovery_code, process_insn_depend_be_in_spec,
1035 begin_speculative_block, add_to_speculative_block,
1036 init_before_recovery, create_recovery_block, create_check_block_twin,
1037 fix_recovery_deps): New static functions to support
1038 generation of recovery code.
1039 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1040 restore_bb_notes, move_block_after_check, move_succs): New static
1041 functions to support ebb scheduling.
1042 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1043 functions to support handling of register live information.
1044 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1045 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1046 add_jump_dependencies): New static functions.
1047 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1048 consistancy checking.
1049 (debug_spec_status): New function to call from debugger.
1050 (priority): Added code to handle speculation checks.
1051 (rank_for_schedule): Added code to distinguish speculative instructions.
1052 (schedule_insn): Added code to handle speculation checks.
1053 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1054 Fixed to handle ebbs.
1055 (move_insn): Added code to handle ebb scheduling.
1056 (max_issue): Added code to use ISSUE_POINTS of instructions.
1057 (choose_ready): Added code to choose between speculative and
1058 non-speculative instructions.
1059 (schedule_block): Added code to handle ebb scheduling and scheduling of
1060 speculative instructions.
1061 (sched_init): Initialize new variables.
1062 (sched_finish): Free new variables. Print statistics.
1063 (try_ready): Added code to handle speculative instructions.
1064 * lists.c (copy_DEPS_LIST_list): New function.
1065 * sched-deps.c (extend_dependency_caches): New function. Move logic
1066 from create_dependency_caches to here.
1067 (get_dep_weak, ds_merge): Make global.
1068 * genattr.c (main): Code to output prototype for
1069 dfa_clear_single_insn_cache.
1070 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1071 (output_dfa_clean_insn_cache_func): Code to output
1072 dfa_clear_single_insn_cache function.
1073 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1075 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1077 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1078 New static variables.
1079 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1080 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1082 (ebb_sched_info): Initialize new fields.
1083 (get_block_head_tail): Adjust all uses.
1084 (compute_jump_reg_dependencies): Fixed to use glat_start.
1085 (schedule_ebb): Code to remove unreachable last block.
1086 (schedule_ebbs): Added code to update register live information.
1087 * sched-rgn.c (region_sched_info): Initialize new fields.
1088 (get_block_head_tail): Adjust all uses.
1089 (last_was_jump): Removed. Adjust users.
1090 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1091 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1092 Implement new hooks.
1093 (check_dead_notes1): New static function.
1094 (struct region): New fields: dont_calc_deps, has_real_ebb.
1095 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1096 (BB_TO_BLOCK): Fixed to handle EBBs.
1097 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1098 (ebb_head): New static variable.
1099 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1100 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1102 (compute_dom_prob_ps): New assertion.
1103 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1104 global_live_at_start.
1105 (init_ready_list): New assertions.
1106 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1107 (new_ready): Add support for BEGIN_CONTROL speculation.
1108 (schedule_insns): Fixed code that updates register live information
1110 (schedule_region): Fixed to handle EBBs.
1111 (init_regions): Use extend_regions and check_dead_notes1.
1112 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1113 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1114 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1115 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1116 TARGET_SCHED_GEN_CHECK,
1117 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1118 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1119 * doc/invoke.texi (max-sched-insn-conflict-delay,
1120 sched-spec-prob-cutoff): Document.
1122 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1124 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1125 inter_tick, queue_index.
1126 (struct sched_info): Change signature of init_ready_list field.
1127 Adjust all initializations.
1128 (RESOLVED_DEPS): New access macro.
1129 (ready_add): Remove prototype.
1130 (try_ready): Add prototype.
1131 * sched-rgn.c (init_ready_list): Use try_ready.
1132 (schedule_region): Initialize
1133 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1134 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1135 (init_ready_list): Use try_ready.
1136 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1137 * lists.c (remove_list_elem): Remove `static'.
1138 (remove_free_INSN_LIST_elem): New function.
1139 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1140 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1141 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1143 (readyp): New variable.
1144 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1145 change_queue_index, resolve_dep): New static functions.
1146 (try_ready): New function. Adjust callers in sched-rgn.c and
1147 sched-ebb.c to use it instead of ready_add.
1148 (clock_var): Move at the begining of file.
1149 (rank_for_schedule): Fix typo.
1150 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1151 (ready_lastpos): Enforce assertion.
1152 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1154 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1155 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1156 (queue_to_ready): Use free_INSN_LIST_list.
1157 (early_queue_to_ready): Fix typo.
1158 (schedule_block): Init readyp. Move init_ready_list call after the
1159 initialization of clock_var. Fix error in rejecting insn by
1160 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1161 that previously corrected INSN_TICKs. Add code for handling
1163 (set_priorities): Fix typo.
1164 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1165 Clarify comment and code that keeps current_sched_info->next_tail
1168 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1170 * sched-rgn.c (extend_rgns): New static function.
1171 (find_rgns): Use it.
1172 (gather_region_statistics, print_region_statistics): New static
1174 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1175 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1177 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1178 Andrey Belevantsev <abel@ispras.ru>
1180 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1181 * lists.c (unused_deps_list): New variable.
1182 (free_list): Add assertions to verify the proper distinguishing
1183 between INSN_LISTs and DEPS_LISTs.
1184 (find_list_elem, remove_list_elem, remove_list_node): New static
1186 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1187 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1188 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1189 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1191 (free_INSN_LIST_node): Likewise.
1192 * modulo-sched.c (current_sched_info): Initialize flags field.
1193 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1194 * rtl.def (DEPS_LIST): Define.
1195 * rtl.h: Declare new functions from lists.c.
1196 * sched-deps.c (spec_dependency_cache): New static variable.
1197 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1198 (add_dependence): Change return type to void. Move the logic to ...
1199 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1200 (delete_all_dependences): Add comment about forward_dependency_cache.
1201 Handle spec_dependency_cache. Handle DEPS_LISTs.
1202 (fixup_sched_groups): Clarify the change of priority of output
1203 and anti dependencies.
1204 (sched_analyze_2): Adjust add_dependence calls to create data
1205 speculative dependence.
1206 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1207 Adjust all callers. Handle DEPS_LISTS.
1208 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1209 presence of speculation.
1210 (init_dependency_caches, free_dependency_caches):
1211 Handle spec_dependency_cache.
1212 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1213 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1214 New static functions.
1215 (add_or_update_back_dep, add_or_update_back_forw_dep,
1216 add_back_forw_dep, delete_back_forw_dep): New functions.
1217 * sched-int.h (ds_t, dw_t): New typedefs.
1218 (struct sched_info): Add new field flags.
1219 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1220 Prototype new sched-deps.c functions.
1221 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1222 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1223 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1224 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1225 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1226 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1228 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1230 * sched-rgn.c (current_sched_info): Initialize flags field.
1231 (schedule_insns): Initialize current_sched_info before the sched_init
1233 * sched-ebb.c (current_sched_info): Initialize flags field.
1234 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1235 Call add_or_update_back_dep instead of add_dependence.
1236 Create control speculative dependencies.
1237 (schedule_insns): Initialize current_sched_info before the sched_init
1240 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1242 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1244 (sh_fallback_frame_state): Likewise.
1246 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1248 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1249 Do switch on default_use_cxa_atexit.
1250 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1251 * config/darwin-crt3.o: New.
1252 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1253 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1254 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1256 * config/rs6000/t-darwin: Move crt2.o building to here.
1257 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1258 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1261 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1263 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1264 from '! xxx' to '!xxx' for coding-style conformance.
1265 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1266 (EXTRA_CONSTRAINT): Likewise.
1267 * config/vax/vax.md (four unnamed insns): Likewise.
1269 2006-03-15 Paul Brook <paul@codesourcery.com>
1271 * config/arm/arm.c (minipool_pad): New.
1272 (add_minipool_forward_ref): Include pool alignment padding in address
1274 (push_minipool_fix): Set minipool_pad.
1275 (minipool_pad): Ditto.
1277 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1279 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1280 instead of GET_CODE() == MEM and REG_P() instead of
1282 (print_operand_address): Likewise.
1283 (vax_address_cost): Likewise.
1284 (vax_rtx_costs): Likewise.
1285 (vax_notice_update_cc): Likewise.
1286 (vax_output_int_add): Likewise.
1287 (INDEX_REGISTER_P): Likewise.
1288 (BASE_REGISTER_P): Likewise.
1289 (nonindexed_address_p): Likewise.
1290 (vax_mode_dependent_address_p): Likewise.
1291 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1292 (PRINT_OPERAND): Likewise.
1293 * config/vax/vax.md (ashlsi3): Likewise.
1294 (ashlsi3): Likewise.
1295 (some more unnamed insns): Likewise.
1297 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1299 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1300 iterator-style macro.
1301 (mark_control_dependent_edges_necessary): Update the use of
1302 EXECUTE_IF_CONTROL_DEPENDENT.
1304 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1306 * config/sh/predicates.md (cache_address_operand): Special.
1307 (ua_address_operand): Likewise.
1309 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1311 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1313 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1315 2006-03-15 Andreas Schwab <schwab@suse.de>
1317 * gensupport.c (identify_predicable_attribute): Don't free p_false
1318 when it is still in use.
1320 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1322 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1323 the default setting here.
1325 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1327 * tree-pass.h (pass_cfg): Remove.
1328 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1329 * passes.c (pass_cfg): Don't run it.
1331 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1333 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1334 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1336 (stack_regs_mentioned): Update the uses of
1337 stack_regs_mentioned_data. Don't access the array beyond its
1339 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1340 Don't include gt-reg-stack.h.
1342 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1343 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1345 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1348 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1351 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1353 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1355 2006-03-14 Richard Guenther <rguenther@suse.de>
1357 PR tree-optimization/26672
1358 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1361 2006-03-14 Richard Guenther <rguenther@suse.de>
1363 PR tree-optimization/26667
1364 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1365 node for the callees. Always allow inlining if it will shrink
1368 2006-03-14 Richard Guenther <rguenther@suse.de>
1371 * builtins.c (get_pointer_alignment): Prefer alignment
1372 information from decls over that from types.
1374 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1377 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1379 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1381 * config/rs6000/rs6000.opt (mdlmzb): New option.
1382 (msched-prolog, msched-epilog): Use Var not Mask.
1383 * doc/invoke.texi (-mdlmzb): Document.
1384 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1386 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1387 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1389 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1391 PR rtl-optimization/25739
1392 * bt-load.c (augment_live_range): Free tos pointer.
1394 * gensupport.c (identify_predicable_attribute): Free
1396 * gcov.c (create_file_names): Free name pointer.
1398 2006-03-13 Roger Sayle <roger@eyesopen.com>
1401 * stmt.c (emit_case_nodes): Handle the case where the index is a
1402 CONST_INT, where the comparison mode is specified by the index type.
1404 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1406 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1409 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1411 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1412 (*branch_fp_inverted): Likewise.
1414 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1417 * omp-low.c (expand_omp_for_generic): Mark istart0
1418 and iend0 as addressable.
1420 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1422 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1424 2006-03-13 Jeff Law <law@redhat.com>
1426 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1427 virtual operands are interesting.
1428 (vrp_visit_stmt): Corresponding changes.
1430 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1432 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1434 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1435 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1436 * config/bfin/crti.S: Use it instead of __PIC__.
1437 * config/bfin/crtn.S: Likewise.
1439 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1440 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1442 Lose 'G' modifier for call operand.
1443 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1444 recognize 'G' modifier.
1446 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1449 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1450 * stmt.c (expand_case): Likewise.
1452 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1454 PR rtl-optimization/26254
1455 * loop-invariant.c (seq_insns_valid_p): New function.
1456 (move_invariant_reg): Only emit new code if it is valid.
1458 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1460 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1462 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1463 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1464 (commit_one_edge_insertion): Do not look for loop notes.
1466 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1468 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1469 flag_test_coverage out of loop.
1471 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1473 * final.c (shorten_branches): Remove outdated comment, and turn
1474 the if branch that guards it to continue.
1476 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1478 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1479 * cfgloop.h (struct loop): Remove unused fields.
1481 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1483 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1484 (-dL, -fdump-rtl-loop2): Update the dump file names
1486 * doc/invoke.texi: Update dump file names.
1488 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1490 * predict.c (estimate_probability): Remove.
1491 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1492 * basic-block.h (estimate_probability): Remove prototype.
1493 * passes.c (finish_optimization_passes): Dump branch prediction or
1494 profiling heuristics to the .profile tree dump.
1495 (init_optimization_passes): Unqueue pass_branch_prob.
1497 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1499 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1501 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1502 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1504 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1506 * function.h (frame_offset_overflow): Declare.
1507 * function.c (frame_offset_overflow): New function.
1508 (assign_stack_local_1): Call it to detect that the offset overflows.
1509 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1511 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1513 * config/sh/sh.c: Include alloc-pool.h.
1514 (label_ref_list_pool): New alloc pool.
1515 (label_ref_list_t): New type for lists of labels.
1516 (struct pool_node): Make wend a label_ref_list_t.
1517 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1519 (dump_table): Likewise.
1520 (sh_reorg): Set up the alloc pool before using add_constant and
1521 dump_table, and destroy it when finishing.
1523 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1525 * config/mips/mips.c: Remove redundant comment.
1527 2006-03-10 Jason Merrill <jason@redhat.com>
1530 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1531 the target was declared 'register'.
1533 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1535 * genpreds.c (write_insn_constraint_len): Change definition of
1536 insn_constraint_len to return size_t to match the declaration.
1538 2006-03-10 DJ Delorie <dj@redhat.com>
1540 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1542 (m32c_expand_insv): Fix test for an AND mask.
1544 2006-03-10 Richard Guenther <rguenther@suse.de>
1547 * builtins.c (get_pointer_alignment): Handle component
1548 references for field alignment.
1550 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1552 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1553 when building with libgloss.
1554 (sh*elf): Implement --without-fp option.
1555 (sh64-superh-linux*): Don't multilib.
1557 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1559 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1561 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1563 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1564 Set it when one of the replacement functions returned true.
1565 Return TODO_cleanup_cfg if cfgchanged is true.
1566 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1568 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1570 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1571 instead of gen_lowpart.
1573 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1575 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1577 (mips_output_order_conditional_branch): Declare.
1578 * config/mips/mips.h (MIPS_BRANCH): New macro.
1579 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1580 for the comparison. Use gen_condjump.
1581 (mips_output_conditional_branch): Rework interface to take the
1582 asm templates for a direct branch and the inverse of a direct branch.
1583 (mips_output_order_conditional_branch): New function.
1584 (mips_builtin_branch_and_move): New function.
1585 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1586 branch condition. Use gen_single_cc as the condition for
1587 __builtin_mips_upper_* or __builtin_mips_lower_*.
1588 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1589 Use VOIDmode for the branch condition.
1590 * config/mips/predicates.md (order_operator): New predicate.
1591 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1592 (branch_fp): Rename to...
1593 (*branch_fp): ...this. Remove mode from comparison operator.
1594 Use new mips_output_conditional_branch interface.
1595 (branch_fp_inverted): Rename to...
1596 (*branch_fp_inverted): ...this and update as for *branch_fp.
1597 (*branch_zero<mode>): Rename to...
1598 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1599 Use mips_output_order_conditional_branch. Only accept ordered
1601 (*branch_zero<mode>_inverted): Rename to...
1602 (*branch_order<mode>_inverted): ...this and update as for
1603 *branch_order<mode>.
1604 (*branch_equality<mode>): Accept zero as the second operand to
1605 the equality operator. Use the new mips_output_conditional_branch
1607 (*branch_equality<mode>_inverted): Likewise.
1608 (condjump): New expander.
1609 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1611 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1612 (bc1any2t, bc1any2f): Likewise.
1613 (single_cc): New expander.
1614 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1616 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1618 * doc/md.texi: Update documentation of MIPS constraints.
1619 * config/mips/constraints.md: New file.
1620 * config/mips/mips.md: Include it.
1621 * config/mips/mips.c (mips_char_to_class): Delete.
1622 (override_options): Don't initialize mips_char_to_class.
1623 * config/mips/mips.h (mips_char_to_class): Delete.
1624 (REG_CLASS_FROM_LETTER): Delete.
1625 (CONST_OK_FOR_LETTER_P): Delete.
1626 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1627 (EXTRA_CONSTRAINT_Y): Delete.
1628 (EXTRA_CONSTRAINT_STR): Delete.
1629 (CONSTRAINT_LEN): Delete.
1630 (EXTRA_MEMORY_CONSTRAINT): Delete.
1632 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1634 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1635 original fn's eh regions.
1637 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1639 * fold-const.c (build_range_check): Make sure to use a valid type to
1640 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1643 (range_predecessor): New static function.
1644 (range_successor): Likewise.
1645 (merge_ranges): Use them to compute predecessors and successors of
1648 2006-03-09 Roger Sayle <roger@eyesopen.com>
1651 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1652 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1654 2006-03-08 DJ Delorie <dj@redhat.com>
1656 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1657 (addpsi3): Expand to include memory operands. Remove
1658 reload-specific splits.
1659 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1660 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1661 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1662 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1663 (shift1_qi, shift1_hi, insv): New.
1664 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1665 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1666 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1668 * config/m32c/m32c-protos.h: Update as needed.
1669 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1670 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1671 Fail for unrecognized R* constraints.
1672 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1673 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1674 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1676 (m32c_init_libfuncs): New.
1677 (m32c_legitimate_address_p): Add debug wrapper.
1678 (m32c_rtx_costs): New.
1679 (m32c_address_cost): New.
1680 (conversions): Add 'B' prefix.
1681 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1682 operands, or word regnames for QI operands. 'B' prints bit
1684 (m32c_expand_setmemhi): New.
1685 (m32c_expand_movmemhi): New.
1686 (m32c_expand_movstr): New.
1687 (m32c_expand_cmpstr): New.
1688 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1689 (m32c_expand_neg_mulpsi3): Handle non-ints.
1690 (m32c_cmp_flg_0): New.
1691 (m32c_expand_movcc): New.
1692 (m32c_expand_insv): New.
1693 (m32c_scc_pattern): New.
1694 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1695 a0/a1 out of SIregs.
1696 (STORE_FLAG_VALUE): New.
1697 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1700 * config/m32c/mov.md: Make constraints more liberal.
1701 (zero_extendqihi2): Optimize r0/r1 case.
1702 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1703 * config/m32c/predicates.md (m32c_any_operand): New.
1704 (m32c_nonimmediate_operand): New.
1705 (m32c_hl_operand): New.
1706 (m32c_r3_operand): New.
1709 (memsym_operand): New.
1710 (memimmed_operand): New.
1711 (a_qi_operand): New.
1712 (m32c_eqne_operator): New.
1713 (m32c_1bit8_operand): New.
1714 (m32c_1bit16_operand): New.
1715 (m32c_1mask8_operand): New.
1716 (m32c_1mask16_operand): New.
1717 * config/m32c/blkmov.md: New file.
1718 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1720 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1722 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1723 unsigned to fix signed/unsigned comparison issue in
1724 DWARF2_FRAME_REG_OUT.
1725 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1726 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1728 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1729 of ptr into the ENABLE_CHECKING section.
1731 2006-03-08 Jeff Law <law@redhat.com>
1733 * tree-vrp.c (infer_value_range): Only count pointer uses
1734 and dereferences if -fdelete-null-pointer-checks is enabled.
1736 * tree-vrp.c (find_assert_locations): Infer value ranges for
1737 single use pointers, but do not create ASSERT_EXPRs for them.
1738 When a non-null range is inferred for a pointer, backwards
1739 propagate that range to other equivalent pointers through the
1742 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1745 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1746 language hook targets.
1747 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1748 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1749 if language hook targets were missing.
1751 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1753 * tree-ssa-opfinalize.h: Removed.
1754 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1756 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1757 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1758 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1759 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1760 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1761 finalize_ssa_v_must_def_ops): New.
1763 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1765 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1768 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1770 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1772 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1773 addresses with offsets; reorganize.
1775 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1776 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1777 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1779 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1782 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1784 2006-03-08 Ben Elliston <bje@au.ibm.com>
1786 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1788 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1791 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1794 2006-03-07 Richard Guenther <rguenther@suse.de>
1796 PR tree-optimization/26587
1797 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1799 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1801 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
1803 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1805 * hooks.c (hook_bool_mode_rtx_true): New function.
1806 * hooks.h (hook_bool_mode_rtx_true): Declare.
1807 * toplev.c (compile_file): Call output_shared_constant_pool.
1808 * varasm.c (shared_constant_pool): New variable.
1809 (assemble_start_function, assemble_end_function): Remove arguments
1810 from call to output_constant_pool.
1811 (create_constant_pool): New function, split out from...
1812 (init_varasm_status): ...here.
1813 (force_const_mem): Choose between the shared and per-function constant
1814 pools. Set current_function_uses_const_pool when reusing old entries
1815 as well as when creating new ones.
1816 (mark_constant): Ignore data argument.
1817 (mark_constants): Remove pool argument.
1818 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
1819 to decide whether the function uses a constant pool.
1820 (output_constant_pool_contents): New function, split out from...
1821 (output_constant_pool): ...here.
1822 (output_shared_constant_pool): New function.
1823 (init_varasm_once): Initialize shared_constant_pool.
1824 * output.h (output_constant_pool): Delete.
1825 (output_shared_constant_pool): Declare.
1826 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
1827 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
1829 2006-03-06 Nick Clifton <nickc@redhat.com>
1831 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
1832 flag_strength_reduce.
1834 2006-03-06 Ben Elliston <bje@au.ibm.com>
1836 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
1837 x86_64-*-linux* configurations.
1839 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
1840 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
1842 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1844 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
1846 * basic-block.h: Remove the extern for
1847 rediscover_loops_after_threading.
1849 * cfgloop.c (cancel_loop): Make it static.
1850 * cfgloop.h: Remove the prototype for cancel_loop.
1852 * flow.c (recompute_reg_usage): Make it static.
1853 * rtl.h: Remove the prototype for recompute_reg_usage.
1855 * function.c (use_return_register): Make it static.
1856 * function.h: Remove the prototype.
1858 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1860 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
1862 * recog.h: Remove the prototype for
1863 validate_change_maybe_volatile.
1865 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1867 * rtlanal.c (replace_reg): Remove.
1868 * rtl.h: Remove the prototype for replace_reg.
1870 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1872 * regclass.c (reg_scan_update): Remove.
1873 (reg_scan_mark_refs): Remove the last argument.
1874 * rtl.h: Remove the prototype for reg_scan_update.
1876 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1878 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
1879 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
1880 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
1881 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
1882 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
1883 loop-invariant.c, omp-low.c, opts.c, passes.c,
1884 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
1885 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
1886 tree-ssa-structalias.c, tree-ssa-threadedge.c,
1887 tree-ssa-threadupdate.c, tree-vect-patterns.c,
1888 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
1889 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1891 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1893 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1894 * dwarf2out.h: Remove the prototype for
1895 dwarf2out_add_library_unit_info.
1897 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1899 * tree.c (add_var_to_bind_expr): Remove.
1900 * tree.h: Remove the prototype for add_var_to_bind_expr.
1902 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1904 * regclass.c (n_non_fixed_regs): Remove.
1905 (init_reg_sets_1, globalize_reg): Remove all uses of
1907 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1909 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1911 * rtlanal.c (insns_safe_to_move_p): Remove.
1912 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1914 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1916 * expmed.c (expand_mult_add): Remove.
1917 * expr.h: Remove the prototype for expand_mult_add.
1919 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1921 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1922 and REG_SAVED_VAL_EXP constants.
1923 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1924 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1925 Handle regs stored by value.
1926 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1927 (execute_cfa_program): Handle DW_CFA_val_offset,
1928 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1929 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1930 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1931 (uw_install_context_1): Handle target regs stored by value.
1933 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1935 * tree-sra.c (tree_sra): Return todoflags;
1936 (generate_one_element): Set TODO_update_smt_usage if needed.
1937 (pass_sra): Remove TODO_update_smt_usage.
1938 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1940 (tree_ssa_forward_propagate_single_use_vars): Return
1941 TODO_update_smt_usage if we need to update SMT usage.
1942 (pass_forwprop): Remove TODO_update_smt_usage.
1944 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1946 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1947 (correct_use_link): Remove reference to get_stmt_operands.
1948 (update_stmt_operands): Likewise.
1949 (get_modify_expr_operands): New function factored out of
1950 parse_ssa_operands and get_expr_operands.
1951 Try to create V_MUST_DEFs for LHS by default.
1952 (get_expr_operands) <case MODIFY_EXPR>: Call
1953 get_modify_expr_operands.
1954 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
1955 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
1956 (parse_ssa_operands) <case MODIFY_EXPR>: Call
1957 get_modify_expr_operands.
1959 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
1961 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
1962 * tree-flow.h: Remove the prototype for
1963 referenced_var_lookup_if_exists.
1965 2006-03-03 Steve Ellcey <sje@cup.hp.com>
1967 PR rtl-optimization/26345
1969 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
1971 2006-03-03 Roger Sayle <roger@eyesopen.com>
1973 PR tree-optimization/26524
1974 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
1975 fold_convert to create a constant of the appropriate type.
1977 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1979 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1980 SYMBOL_REF_IN_BLOCK_P.
1981 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1982 of SYMBOL_FLAG_IN_BLOCK.
1983 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1984 instead of SYMBOL_REF_IN_BLOCK_P.
1985 * explow.c (use_anchored_address): Likewise.
1986 * rtl.c (rtx_size): Likewise.
1987 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1988 instead of SYMBOL_FLAG_IN_BLOCK.
1989 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1990 SYMBOL_REF_IN_BLOCK_P.
1991 (assemble_variable): Likewise.
1992 (output_constant_def_contents): Likewise.
1993 (output_constant_pool): Likewise.
1994 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1995 instead of SYMBOL_FLAG_IN_BLOCK.
1996 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1997 SYMBOL_REF_IN_BLOCK_P.
1998 (SYMBOL_REF_BLOCK): Likewise.
1999 (SYMBOL_REF_OFFSET): Likewise.
2000 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2001 SYMBOL_REF_IN_BLOCK_P.
2002 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2003 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2004 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2005 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2007 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2009 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2011 2006-03-02 Roger Sayle <roger@eyesopen.com>
2013 * simplify-rtx.c (simplify_unary_operation): When simplifying
2014 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2015 that we perform the right shift in the appropriate mode, and
2016 then extend or truncate the result to requested mode.
2018 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2020 * gengtype.c (main): Handle double_int type.
2021 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2022 * double-int.c: New file.
2023 * double-int.h: New file.
2024 * system.h: Include doubleint.h.
2025 * Makefile.in (SYSTEM_H): Include double-int.h.
2026 (double-int.o): Add.
2028 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2031 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2034 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2036 * tree-vrp.c (remove_range_assertions): Do not update statements
2039 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2041 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2043 * gcse.c (rest_of_handle_gcse): Ditto.
2044 * except.c (gate_handle_eh): Ditto.
2045 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2046 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2048 2006-03-02 Eric Christopher <echristo@apple.com>
2050 * config/i386/i386.c (machopic_output_stub): Add indirection to
2053 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2057 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2059 Sun Niagara specific optimizations.
2060 * config.gcc: Recognize niagara as target.
2061 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2062 (TARGET_CPU_niagara): Define.
2063 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2064 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2065 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2066 (ASM_CPU_SPEC): Likewise.
2067 (PROCESSOR_NIAGARA): New enum entry.
2068 (REGISTER_MOVE_COST): Handle Niagara.
2069 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2070 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2071 (sparc_override_options): Recognize "niagara", set appropriate
2072 default MASK_* values for it, and align functions to 32-bytes
2073 by default just like ULTRASPARC/ULTRASPARC3.
2074 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2075 (sparc64_initialize_trampoline): Likewise.
2076 (sparc_use_sched_lookahead): Use zero for niagara.
2077 (sparc_issue_rate): Use one for niagara.
2078 * config/sparc/niagara.md: New file.
2079 * config/sparc/sparc.md: Include it.
2080 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2081 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2082 when default cpu is niagara.
2083 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2084 (ASM_CPU_SPEC): Likewise.
2085 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2086 when default cpu is niagara.
2087 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2088 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2089 just like v9/ultrasparc/ultrasparc3.
2090 * doc/invoke.texi: Add documentation for "niagara" and improve
2091 existing documentation for ultrasparc variants.
2093 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2095 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2097 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2099 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2100 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2101 and say that only one is needed.
2102 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2103 * target.h (have_switchable_bss_sections): New hook.
2104 * explow.c (use_anchored_address): Check that the symbol is in a block.
2105 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2106 (bss_noswitch_section): New variables.
2107 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2108 (get_noswitch_section): New function.
2109 (get_block_for_section): Allow SECT to be null.
2110 (unlikely_text_section_p): Use SECTION_STYLE.
2111 (bss_initializer_p): New function.
2112 (get_variable_section): Move earlier in file. Take a new argument,
2113 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2114 Return one of the new *_sections in such cases.
2115 (get_block_for_decl): New function, extracting some logic from
2116 use_blocks_for_decl_p.
2117 (change_symbol_section): Remove in favor of...
2118 (change_symbol_block): ...this new function.
2119 (use_blocks_for_decl_p): Remove checks now performed by
2121 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2122 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2123 (emit_local, emit_bss, emit_common): ...these new functions.
2124 Return true if the alignment was honored.
2125 (emit_tls_common): New function.
2126 (asm_emit_uninitialised): Delete.
2127 (assemble_variable_noswitch): New function, split out from...
2128 (assemble_variable): ...here. Don't make decisions about common
2129 variables here. Globalize all public decls that go into non-common
2130 sections. Check whether SYMBOL_REF_BLOCK is null.
2131 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2132 (output_constant_pool): Likewise.
2133 (init_varasm_once): Initialize the new section variables.
2134 (have_global_bss_p): New function.
2135 (categorize_decl_for_section): Use bss_initializer_p.
2136 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2137 (place_block_symbol): Assert that the symbol must be in a block.
2138 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2139 (TARGET_INITIALIZER): Include it.
2140 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2141 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2142 (SECTION_MACH_DEP): Bump by two.
2143 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2144 (unnamed_section): Mention SECTION_UNNAMED in comment.
2145 (named_section): Likewise SECTION_NAMED.
2146 (noswitch_section_callback): New type.
2147 (noswitch_section): New structure.
2148 (section): Add a noswitch_section alternative.
2149 (SECTION_STYLE): New macro.
2150 (tls_comm_section, comm_section, lcomm_section): Declare.
2151 (bss_noswitch_section, have_global_bss_p): Declare.
2152 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2153 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2155 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2156 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2159 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2161 * gcc/tree-vrp.c (execute_vrp): Return value.
2162 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2163 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2164 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2165 (tree_lower_complex_O0): Ditto.
2166 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2167 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2168 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2169 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2170 (execute_tail_calls): Ditto.
2171 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2172 * gcc/tree.h (init_function_for_compilation): Ditto.
2173 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2174 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2175 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2176 * gcc/final.c (compute_alignments): Ditto.
2177 (rest_of_handle_final): Ditto.
2178 (rest_of_handle_shorten_branches): Ditto.
2179 (rest_of_clean_state): Ditto.
2180 * gcc/omp-low.c (execute_expand_omp): Ditto.
2181 (execute_lower_omp): Ditto.
2182 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2183 * gcc/ipa-reference.c (static_execute): Ditto.
2184 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2185 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2186 (rest_of_handle_machine_reorg): Ditto.
2187 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2188 * gcc/flow.c (recompute_reg_usage): Ditto.
2189 (rest_of_handle_remove_death_notes): Ditto.
2190 (rest_of_handle_life): Ditto.
2191 (rest_of_handle_flow2): Ditto.
2192 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2193 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2194 (do_ssa_store_ccp): Ditto.
2195 (execute_fold_all_builtins): Ditto.
2196 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2197 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2198 * gcc/ipa-pure-const.c (static_execute): Ditto.
2199 * gcc/cse.c (rest_of_handle_cse): Ditto.
2200 (rest_of_handle_cse2): Ditto.
2201 * gcc/web.c (rest_of_handle_web): Ditto.
2202 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2203 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2204 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2205 * gcc/tree-nrv.c (tree_nrv): Ditto.
2206 (execute_return_slot_opt): Ditto.
2207 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2208 (create_structure_vars): Ditto.
2209 * gcc/loop-init.c (rtl_loop_init): Ditto.
2210 (rtl_loop_done): Ditto.
2211 (rtl_move_loop_invariants): Ditto.
2212 (rtl_unswitch): Ditto.
2213 (rtl_unroll_and_peel_loops): Ditto.
2214 (rtl_doloop): Ditto.
2215 * gcc/gimple-low.c (lower_function_body): Ditto.
2216 (mark_used_blocks): Ditto.
2217 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2218 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2219 (cgraph_early_inlining): Ditto.
2220 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2221 * gcc/jump.c (cleanup_barriers): Ditto.
2222 (purge_line_number_notes): Ditto.
2223 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2224 (rest_of_handle_if_after_reload): Ditto.
2225 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2226 (tree_ssa_loop_im): Ditto.
2227 (tree_ssa_loop_unswitch): Ditto.
2228 (tree_vectorize): Ditto.
2229 (tree_linear_transform): Ditto.
2230 (tree_ssa_loop_ivcanon): Ditto.
2231 (tree_ssa_empty_loop): Ditto.
2232 (tree_ssa_loop_bounds): Ditto.
2233 (tree_complete_unroll): Ditto.
2234 (tree_ssa_loop_prefetch): Ditto.
2235 (tree_ssa_loop_ivopts): Ditto.
2236 (tree_ssa_loop_done): Ditto.
2237 * gcc/predict.c (tree_estimate_probability): Ditto.
2238 * gcc/recog.c (split_all_insns_noflow): Ditto.
2239 (rest_of_handle_peephole2): Ditto.
2240 (rest_of_handle_split_all_insns): Ditto.
2241 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2242 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2243 (rest_of_handle_stack_adjustments): Ditto.
2244 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2245 * gcc/function.c (instantiate_virtual_regs): Ditto.
2246 (init_function_for_compilation): Ditto.
2247 (rest_of_handle_check_leaf_regs): Ditto.
2248 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2249 (rest_of_handle_gcse): Ditto.
2250 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2251 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2252 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2253 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2254 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2255 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2256 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2257 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2258 * gcc/except.c (set_nothrow_function_flags): Ditto.
2259 (convert_to_eh_region_ranges): Ditto.
2260 (rest_of_handle_eh): Ditto.
2261 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2262 (remove_unnecessary_notes): Ditto.
2263 * gcc/except.h (set_nothrow_function_flags): Ditto.
2264 (convert_to_eh_region_ranges): Ditto.
2265 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2266 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2267 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2268 (execute_fre): Ditto.
2269 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2270 (rest_of_handle_jump2): Ditto.
2271 * gcc/tree-sra.c (tree_sra): Ditto.
2272 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2273 (execute_mudflap_function_decls): Ditto.
2274 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2275 (do_store_copy_prop): Ditto.
2276 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2277 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2278 * gcc/tree-ssa-forwprop.c
2279 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2280 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2281 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2282 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2283 (execute_late_warn_uninitialized): Ditto.
2284 * gcc/rtl.h (cleanup_barriers): Ditto.
2285 (split_all_insns_noflow): Ditto.
2286 (purge_line_number_notes): Ditto.
2287 (unshare_all_rtl): Ditto.
2288 (remove_unnecessary_notes): Ditto.
2289 (recompute_reg_usage): Ditto.
2290 (variable_tracking_main): Ditto.
2291 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2292 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2293 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2294 (execute_free_cfg_annotations): Ditto.
2295 (execute_fixup_cfg): Ditto.
2296 (execute_cleanup_cfg_pre_ipa): Ditto.
2297 (execute_cleanup_cfg_post_optimizing): Ditto.
2298 (execute_init_datastructures): Ditto.
2299 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2300 * gcc/combine.c (rest_of_handle_combine): Ditto.
2301 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2302 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2303 (rest_of_handle_reorder_blocks): Ditto.
2304 (rest_of_handle_partition_blocks): Ditto.
2305 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2306 * gcc/tree-profile.c (tree_profiling): Ditto.
2307 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2308 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2309 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2310 (rest_of_handle_sched2): Ditto.
2311 * gcc/basic-block.h (free_bb_insn): Ditto.
2312 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2313 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2314 (remove_useless_stmts): Ditto.
2315 (split_critical_edges): Ditto.
2316 (execute_warn_function_return): Ditto.
2317 (execute_warn_function_noreturn): Ditto.
2318 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2319 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2320 * gcc/passes.c (execute_one_pass): Run additional
2321 todos returned by execute function.
2322 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2325 2006-03-02 Richard Guenther <rguenther@suse.de>
2327 * tree-ssa-alias.c (find_used_portions): Consider taking
2328 the address as making the variable not write-only.
2330 2006-03-02 Nick Clifton <nickc@redhat.com>
2332 * config.gcc (default_use_cxa_atexit): Extend the description of
2333 this configure variable. Set its default value to "yes" for
2334 Linux, NetBSD and ELF targets on the assumption that they will
2335 use C libraries with the __cxa_atexit function.
2337 2006-03-02 Ben Elliston <bje@au.ibm.com>
2339 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2340 parameter as unused to suppress a build warning.
2342 2006-03-02 Ben Elliston <bje@au.ibm.com>
2344 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2347 2006-03-01 Roger Sayle <roger@eyesopen.com>
2350 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2351 declared name, the weak reference name, and the typeof name.
2352 (__gthrw): Avoid expanding the declared name suffix.
2353 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2355 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2357 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2359 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2360 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2361 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2362 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2363 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2364 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2365 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2366 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2367 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2368 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2369 (DW_END_default, DW_END_big, DW_END_little): New.
2370 (DW_END_lo_user, DW_END_hi_user): Define.
2371 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2372 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2373 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2376 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2378 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2380 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2382 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2384 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2386 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2387 to 'symbol_mem_tag'.
2389 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2392 2006-03-01 Roger Sayle <roger@eyesopen.com>
2394 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2396 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2399 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2400 MACHO_DYNAMIC_NO_PIC_P.
2401 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2403 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2406 * config/darwin-protos.h (darwin_asm_output_anchor):
2408 * config/darwin-sections.def (cstring_section):
2409 Add SECTION_MERGE to the flags.
2410 (literal4_section): Likewise.
2411 (literal8_section): Likewise.
2412 (objc_selector_refs_section): Likewise.
2413 (objc_cls_refs_section): Likewise.
2414 * config/darwin.c (darwin_asm_output_anchor): New
2416 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2418 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2420 Fix PR tree-optimization/26443
2421 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2422 to todo and PROP_tmt_usage to properties_destroyed.
2423 * tree-ssa-ccp.c (pass_ccp): Ditto.
2424 (pass_store_ccp): Ditto.
2425 * tree-ssa-dom.c (pass_dominator): Ditto.
2427 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2429 * tree-ssa-operands.c: Cleanup whitespace.
2430 (get_asm_expr_operands): Move before first invocation.
2431 (get_indirect_ref_operands): Likewise.
2432 (get_tmr_operands): Likewise.
2433 (get_call_expr_operands): Likewise.
2434 (append_def): Likewise.
2435 (append_use): Likewise.
2436 (append_v_may_def): Likewise.
2437 (append_v_must_def): Likewise.
2438 (add_call_clobber_ops): Likewise.
2439 (add_call_read_ops): Likewise.
2440 (add_stmt_operand): Likewise.
2441 (add_virtual_operand): Likewise.
2442 (build_ssa_operands): Likewise.
2444 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2449 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2450 with a call expr to ...
2451 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2453 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2455 * tree-vrp.c (extract_range_from_assert): Remove special
2456 handling for types with super-types.
2458 2006-03-01 Ben Elliston <bje@au.ibm.com>
2460 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2461 and powerpc64-*-linux* configurations.
2462 * config/t-dfprules: New file.
2464 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2465 Compile dfp-bit.c from the source directory using -DWIDTH and
2466 $DFP_CFLAGS to control the compilation of that file, rather than
2467 generating width-specific versions in the build directory.
2468 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2469 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2471 2006-02-28 Zack Weinberg <zackw@panix.com>
2473 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2476 2006-02-28 Eric Christopher <echristo@apple.com>
2478 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2479 Set up IN_LIBGCC definition of TARGET_64BIT.
2480 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2482 2006-02-28 Roger Sayle <roger@eyesopen.com>
2485 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2486 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2487 cases via the construction of "expr != 0".
2489 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2491 * alias.c (alias_invariant, alias_invariant_size): Remove.
2492 (record_base_value): Remove.
2493 (memrefs_conflict_p): Don't look at alias_invariant.
2494 (end_alias_analysis): Don't free it.
2495 * alias.h (record_base_value): Remove prototype.
2497 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2498 Adam Nemet <anemet@caviumnetworks.com>
2500 * rtl.h (truncated_to_mode): Declare it.
2501 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2502 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2503 (RTL_HOOKS_INITIALIZER): Include it.
2504 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2505 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2506 reg_truncated_to_mode.
2507 * rtlanal.c (truncated_to_mode): Define it.
2508 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2510 2006-02-28 Jeff Law <law@redhat.com>
2512 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2513 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2514 the range allowed by TYPE_PRECISION.
2516 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2518 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2520 PR tree-optimization/26419
2521 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2524 2006-02-27 Zack Weinberg <zackw@panix.com>
2526 * doc/md.texi: Fix typo in previous change.
2528 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2532 2006-02-27 Zack Weinberg <zackw@panix.com>
2534 * rtl.def (define_constraint, define_register_constraint)
2535 (define_memory_constraint, define_address_constraint): New MD forms.
2536 * gensupport.c (process_rtx): Put define_constraint etc on the
2538 * genpreds.c (process_define_predicate): Adjust comment. Validate
2539 the name, and call validate_exp to validate the expression.
2540 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2541 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2542 all callers changed.
2543 (validate_exp, needs_variable, struct constraint_data)
2544 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2545 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2546 (const_dbl_constraints, constraint_max_namelen)
2547 (have_register_constraints, have_memory_constraints)
2548 (have_address_constraints, have_address_constraints)
2549 (have_extra_constraints, have_const_int_constraints)
2550 (have_const_dbl_constraints, mangle, add_constraint)
2551 (process_define_constraint, process_define_register_constraint)
2552 (write_enum_constraint_num, write_lookup_constraint)
2553 (write_insn_constraint_len, write_regclass_for_constraint)
2554 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2555 (write_insn_extra_memory_constraint)
2556 (write_insn_extra_address_constraint)
2557 (write_satisfies_constraint_fns): New.
2558 (write_tm_preds_h): If we have new-style constraint definitions,
2559 prototype the functions generated from them, and define the
2560 old constraint interface (still used by generic code) in terms of
2562 (write_insn_preds_c): If we have new-style constraint definitions,
2563 generate all relevant functions from those definitions.
2564 (main): Handle define_constraint etc.
2565 * genoutput.c (struct constraint_data, indep_constraints)
2566 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2567 (mdep_constraint_len): New data structures and functions, defined
2568 #ifdef USE_MD_CONSTRAINTS.
2569 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2570 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2571 use new logic to validate operand constraints against constraint
2573 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2575 * defaults.h: If none of the old-style constraint macros are
2576 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2577 old-style macros; and poison REG_CLASS_FROM_LETTER,
2578 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2580 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2581 * doc/md.texi: Document new constraint-definition mechanism and the
2582 C interface it provides. Remove references to old mechanism
2583 elsewhere in the document.
2584 (Machine Constraints): Use pathnames relative to gcc directory,
2585 i.e. config/ARCH/FILE. Change i386 section to refer to
2586 config/i386/predicates.md; update that section to match docstrings.
2587 * doc/tm.texi: Move all documentation of the old constraint-
2588 definition macros to their own section, clearly mark as obsolete.
2590 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2591 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2593 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2594 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2595 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2597 (splits and peepholes): Use satisfies_constraint_*.
2598 * config/i386/i386.c (memory_address_length)
2599 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2601 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2603 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2604 scalar operation to be put back into the loop.
2606 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2609 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2610 (extract_cie_info): Handle S flag in augmentation string.
2611 (execute_cfa_program): If context->signal_frame, execute also
2612 fs->pc == context->ra instructions.
2613 (uw_frame_state_for): If context->signal_frame, don't subtract one
2614 from context->ra to find FDE.
2615 (uw_update_context_1): Set context->signal_frame to
2617 (_Unwind_GetIPInfo): New function.
2618 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2619 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2621 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2622 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2623 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2624 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2625 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2626 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2627 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2628 x86_64_fallback_frame_state): Set fs->signal_frame.
2629 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2630 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2631 (frob_update_context): Likewise. Workaround missing S flag in
2632 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2633 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2634 Remove the psw_addr + 1 hack.
2636 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2638 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2639 with aggregates here.
2640 (find_func_aliases): Remove code for &<aggregate> from here.
2642 2006-02-26 Roger Sayle <roger@eyesopen.com>
2644 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2645 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2646 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2649 2006-02-26 Roger Sayle <roger@eyesopen.com>
2652 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2654 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2656 * opts.c (decode_options): Do not handle flag_strength_reduce.
2657 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2658 and OPT_fstrength_reduce.
2659 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2660 flag_prefetch_loop_arrays for being nonzero.
2661 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2663 (fprefetch-loop-arrays-rtl): Removed.
2664 (flag_prefetch_loop_arrays): Do not specify the value.
2666 * doc/passes.texi: Update documentation of loop optimizer
2668 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2669 -frerun-loop-opt): Remove.
2671 2006-02-26 Richard Guenther <rguenther@suse.de>
2673 PR tree-optimization/26421
2674 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2675 in function calls that are ADDR_EXPRs as using the whole structure.
2677 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2679 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2680 * tree-pass.h (pass_loop_optimize): Remove.
2681 * passes.c (pass_loop_optimize): Never run it.
2682 * toplev.c (backend_init): Don't call init_loop.
2683 * opts.c (flag_loop_optimize_set): Remove.
2684 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2685 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2686 the old RTL loop optimizer when profiling enabled.
2687 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2688 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2689 pre-headers for the sake of the old RTL loop optimizer.
2690 * Makefile.in: Remove all references to loop.o.
2692 * doc/invoke.texi: Remove all references to -floop-optimize
2693 and -frerun-loop-opt.
2695 2006-02-26 Zack Weinberg <zackw@panix.com>
2697 * doc/md.texi (Machine Constraints): Refer to all files with paths
2698 relative to gcc directory (i.e. config/CPU/file). Add missing
2699 @table @code ... @end table to M32C subsection.
2701 2006-02-26 Roger Sayle <roger@eyesopen.com>
2703 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2705 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2707 2006-02-26 Roger Sayle <roger@eyesopen.com>
2708 James A. Morrison <phython@gcc.gnu.org>
2711 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2712 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2713 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2714 signedness of the shift operation.
2716 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2718 PR tree-optimization/26359
2719 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2721 2006-02-25 Roger Sayle <roger@eyesopen.com>
2723 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2724 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2725 as X == 0, and some symmetry related transformations.
2726 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2728 2006-02-25 Roger Sayle <roger@eyesopen.com>
2731 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2732 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2733 symmetry related transformations. Fold (X^C1) == C2 as
2736 2006-02-25 Juergen Weigert <jw@suse.de>
2737 Richard Guenther <rguenther@suse.de>
2739 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2741 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2743 * combine.c (gen_lowpart_or_truncate): Call
2744 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2746 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2748 * doc/invoke.texi: Move -fopenmp description to "Options for
2750 Remove reference to -lgomp.
2752 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2754 * doc/install.texi: Require GNU tar version 1.14.
2756 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2758 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2759 * doc/invoke.texi (C++ Dialect Options): Document
2760 -fno-use-cxa-get-exception-ptr.
2761 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2762 * configure: Regenerate.
2763 * c.opt (fuse-cxa-get-exception-ptr): New.
2764 * c-opts.c (c_common_handle_option): Handle
2765 OPT_fuse_cxa_get_exception_ptr.
2766 * c-common.c (flag_use_cxa_atexit): Update documentation.
2767 (flag_use_cxa_get_exception_ptr): New.
2768 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2769 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2771 (C_COMMON_OVERRIDE_OPTIONS): New.
2773 2006-02-24 Roger Sayle <roger@eyesopen.com>
2776 * combine.c (try_combine): Explicitly check whether GET_CODE is
2777 a SET or a CLOBBER, instead on checking that it isn't a USE.
2779 2006-02-24 Roger Sayle <roger@eyesopen.com>
2781 * fold-const.c (fold_comparison): New subroutine of fold_binary
2782 containing transformations common to both the equality and
2783 ordering relational operators, factored out of fold_binary.
2784 (fold_binary): Separate out the equality operators (EQ_EXPR
2785 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2786 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2787 transformations common to both.
2788 (fold_div_compare): Fix latent bugs in the previously unreachable
2789 LT_EXPR and GE_EXPR cases.
2791 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2793 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2794 decl libname for clog to __clog on AIX.
2796 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2798 2006-02-24 Alan Modra <amodra@bigpond.net.au>
2801 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
2802 output traceback table for thunks. Localise rs6000_stack_info call.
2804 2006-02-23 Roger Sayle <roger@eyesopen.com>
2805 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2807 * gthr-posix.h (__gthrw): Fix typo in comment.
2809 2006-02-23 Geoffrey Keating <geoffk@apple.com>
2811 * doc/cpp.texi (Character sets): Document that we do support
2812 input files to be in any character set.
2814 2006-02-23 Jeff Law <law@redhat.com>
2816 * tree.h (PHI_ARG_NONZERO): Remove.
2817 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
2818 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
2819 node to the new node.
2821 PR tree-optimization/26425
2822 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
2823 min/max, then assume its varying.
2825 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2827 PR rtl-optimization/26316
2828 * rtlanal.c (enum may_trap_p_flags): New.
2829 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
2830 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
2831 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
2832 (may_trap_after_code_motion_p): New function.
2833 * loop-invariant.c (find_identical_invariants): Fix dump formating.
2834 (find_invariant_insn): Use may_trap_after_code_motion_p.
2835 * rtl.h (may_trap_after_code_motion_p): Declare.
2837 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2839 * emit-rtl.c (immed_double_const): Cleanup.
2841 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
2843 Fix PR tree-optimization/26376
2844 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
2847 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2850 * gimplify.c (omp_add_variable): Guard variable size decl test with
2851 DECL_SIZE (decl) check.
2853 2006-02-23 Richard Guenther <rguenther@suse.de>
2856 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
2857 like aggregate types.
2859 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2861 * configure.ac: Add --with{,out}-long-double-128 configure option.
2862 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
2863 * configure: Rebuilt.
2864 * config.in: Rebuilt.
2865 * doc/install.texi (Options specification): Document
2866 --with-long-double-128.
2868 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2869 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2870 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2871 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2873 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
2875 * config/s390/s390.c (override_options): Handle
2876 TARGET_DEFAULT_LONG_DOUBLE_128.
2878 * config/alpha/alpha.c (override_options): Handle
2879 TARGET_DEFAULT_LONG_DOUBLE_128.
2881 * config/sparc/sparc.c (sparc_override_options): Handle
2882 TARGET_DEFAULT_LONG_DOUBLE_128.
2884 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
2886 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
2887 (real-install-headers-tar, real-install-headers-cpio)
2888 (real-install-headers-cp): New targets.
2890 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2892 * tree.h (variable_section): Delete.
2893 * varasm.c (variable_section): Delete.
2895 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2897 * install.texi: Add notes on install.texi2html.
2898 (Building in parallel): Do not use footnotes.
2900 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2903 * doc/install.texi (Configuration): Document --disable-libgomp.
2905 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2907 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2909 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2911 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2912 (vec_extractv2df_0_sse): New.
2914 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2916 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2917 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2918 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2919 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2920 to the result of the expression.
2921 (def_cfa_1): Adjust.
2922 (frame_pointer_cfa_offset): Rename to...
2923 (frame_pointer_fb_offset): ... this. Adjust all uses.
2924 (convert_cfa_to_loc_list): Rename to...
2925 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2926 Pass it on to build_cfa_loc.
2927 (compute_frame_pointer_to_cfa_displacement): Rename to...
2928 (compute_frame_pointer_to_fb_displacement): ... this. New
2929 offset parameter. Use it in computation.
2930 (gen_subprogram_die): Compute cfa_fb_offset with the new
2931 macro, and use it to compute the fb loc list and the
2934 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2936 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2937 replaced with register_operand.
2938 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2939 non-DREG is expensive.
2940 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2941 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2944 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2946 * doc/install.texi2html: Use set -e.
2948 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2950 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2951 (ASM_OUTPUT_SHARED_LOCAL): Delete.
2952 * doc/invoke.texi (-fshared-data): Delete.
2953 * common.opt (fshared-data): Delete.
2954 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
2955 (assemble_static_space): Remove #if 0 code.
2956 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2957 (ASM_OUTPUT_SHARED_LOCAL): Poison.
2958 * config/cris/cris.h: Remove FIXME.
2960 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
2962 * doc/sourcebuild.texi (Front End Directory): No more double-colon
2965 2006-02-21 Jakub Jelinek <jakub@redhat.com>
2968 * combine.c (simplify_shift_const_1): Disable nested shifts
2969 optimization for vector shifts.
2971 2006-02-20 Roger Sayle <roger@eyesopen.com>
2973 PR tree-optimization/26361
2974 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
2975 of unsigned integer types.
2977 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2979 * tree-chrec.c (eq_evolutions_p): New.
2980 * tree-chrec.h (eq_evolutions_p): Declared.
2981 * tree-data-ref.c: Fix formatting.
2982 (datadep_stats, dependence_stats): New.
2984 (print_direction_vector): New.
2985 (dump_data_dependence_relation): Use print_direction_vector.
2986 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2987 (compute_subscript_distance): Static.
2988 (initialize_data_dependence_relation): Static. Get the number
2989 of loops surrounding the references from the callers, and initialize
2990 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2991 base_object_differ_p analyzers.
2992 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2993 compute_overlap_steps_for_affine_1_2,
2994 analyze_subscript_affine_affine): Count the classified dependences.
2995 Print a message when a test failed.
2996 (can_use_analyze_subscript_affine_affine): New.
2997 (analyze_siv_subscript): Compute the data dependences on symbolic
2998 scevs that verify can_use_analyze_subscript_affine_affine.
2999 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3000 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3001 Handle symbolic scevs.
3002 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3004 (subscript_dependence_tester): Moved...
3005 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3006 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3007 DDR_SIZE_VECT instead of getting it in parameter.
3008 (subscript_dependence_tester): ... here. Take as a parameter
3009 loop_nest_depth. Call build_classic_dist_vector and
3010 build_classic_dir_vector.
3011 (compute_affine_dependence): Update subscript_dependence_tester
3012 parameters. Update datadep_stats counters. Call
3013 compute_subscript_distance.
3014 (compute_self_dependence): Save the dist and dir vectors. Call
3015 compute_subscript_distance.
3016 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3017 (compute_all_dependences): Reorder parameters as they were before
3018 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3019 compute_subscript_distance. Update the use of
3020 compute_affine_dependence and initialize_data_dependence_relation.
3021 (find_data_references_in_loop): Handle COMPONENT_REF.
3022 (compute_data_dependences_for_loop): Initialize dependence_stats.
3023 Don't call build_classic_dist_vector and build_classic_dir_vector.
3024 Update the parameters of initialize_data_dependence_relation and
3025 compute_all_dependences. Print the statistics from datadep_stats.
3026 (analyze_all_data_dependences): Static. Not used until the pass for
3027 checking the data dependences is contributed.
3028 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3029 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3030 (initialize_data_dependence_relation, compute_affine_dependence,
3031 analyze_all_data_dependences, compute_subscript_distance): Removed.
3032 (print_direction_vector): New.
3033 * lambda.h (gcd): ... here.
3034 (lambda_vector_gcd): Moved here from gcd_vector.
3035 * lambda-code.c (gcd, gcd_vector): Removed.
3036 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3037 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3039 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3041 * ipa-type-escape.c: Tidy some comments and white space.
3042 * tree-ssa-operands.c: Likewise.
3044 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3047 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3048 (dump_decl_name): Do not walk the decl tree chains.
3049 * tree-pass.h (TDF_CHAIN): Remove.
3051 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3053 * Makefile.in (C): Remove
3055 (.PHONY): Remove C and PROTO
3057 2006-02-20 Roger Sayle <roger@eyesopen.com>
3060 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3061 deprecated CHAR_TYPE tree code.
3063 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3065 * configure.ac (target_list): Add install-info, dvi, html.
3066 * configure: Regenerate.
3068 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3069 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3070 treelang/Make-lang.in: Do not use double-colon rules.
3072 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3074 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3075 (TMT_USED_ALONE): New macro.
3076 * tree-pass.h (PROP_tmt_usage): New property.
3077 (TODO_update_tmt_usage): New todo.
3078 * tree-ssa-alias.c (updating_used_alone): New variable.
3079 (recalculate_used_alone): New function.
3080 (compute_may_aliases): Set updating_used_alone, call
3081 recalculate_used_alone.
3082 * tree-sra.c (pass_sra): Note that this pass destroys
3083 PROP_tmt_usage, and add TODO_update_tmt_usage.
3084 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3085 * tree-flow.h (updating_used_alone): Prototype.
3086 (recalculate_used_alone): Ditto.
3087 * passes.c (execute_todo): Add code to set updating_used_alone,
3088 and call recalculate.
3089 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3090 for clobber if used alone, and add assert to verify used_alone
3093 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3095 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3096 for non tls symbols added.
3097 (legitimize_address): Do nothing for PLUS expressions if one of the
3098 addends is a tls symbol reference.
3100 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3104 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3106 * Makefile.in (BOOTSTRAPPING): New.
3107 (quickstrap): New definition if BOOTSTRAPPING=yes.
3109 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3110 * configure.ac: Substitute all_selected_languages with the languages
3111 that were configured. For all the other variables except
3112 lang_specs_files, include all the languages in the tree.
3113 * configure: Regenerate.
3115 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3116 if there is one. Run the commands to run fixincludes in the same
3119 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3120 * doc/install.texi: Document exact conventions for searching target tools.
3121 Document --with-build-time-tools. Document toplevel bootstrap. Document
3122 something more about building an Ada cross-compiler. Don't list GNU Make
3123 requirements which affect all platforms.
3125 2006-02-19 Roger Sayle <roger@eyesopen.com>
3128 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3129 only equivalent if the have both the same mode and precision.
3131 2006-02-20 Ben Elliston <bje@au.ibm.com>
3133 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3135 2006-02-19 Roger Sayle <roger@eyesopen.com>
3136 Steven Bosscher <stevenb.gcc@gmail.com>
3138 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3139 constant pool references to identify stack mode constants.
3140 * rtlanal.c (constant_pool_constant_p): New predicate to check
3141 whether operand is a floating point constant in the pool.
3142 * rtl.h (constant_pool_constant_p): Prototype here.
3143 * loop.c (scan_loop): Avoid hoisting constants from the constant
3144 pool on STACK_REGS targets.
3145 (load_mems): Likewise.
3146 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3147 loads into x87 registers expensive in terms of register pressure.
3149 2006-02-19 Roger Sayle <roger@eyesopen.com>
3151 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3152 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3154 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3156 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3157 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3159 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3161 * doc/invoke.texi: Document -fipa-pta.
3162 * common.opt: Add ipa-pta option.
3163 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3164 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3165 (do_ds_constraint): Ditto.
3166 (get_constraint_for): Only add to referenced_vars if
3167 referenced_vars exists.
3168 (insert_into_field_list): Rewrite to do this unsorted.
3169 (insert_into_field_list_sorted): Rename old insert_into_field_list
3171 (create_function_info_for): Use insert_into_field_list_sorted.
3172 (create_variable_info_for): Rewrite so it uses unsorted version,
3173 since the field list is sorted.
3174 (intra_create_variable_infos): Only add to referenced_vars if
3175 referenced_vars exists.
3176 (ipa_pta_execute): Init heapvars, and delete when done.
3177 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3179 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3181 * doc/install.texi: Add missing `@samp'.
3183 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3185 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3188 2006-02-18 Mark Wielaard <mark@klomp.org>
3190 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3191 who added new 4.1 features, bug fixes and integration support.
3193 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3196 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3199 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3201 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3202 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3203 (copy_insn_1): Likewise. Don't copy each field individually.
3205 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3207 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3208 * rtl.c (rtx_size): Rename variable to...
3209 (rtx_code_size): ...this.
3210 (rtx_size): New function.
3211 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3212 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3214 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3215 * rtl.h (rtx_code_size): New variable.
3216 (rtx_size): Change from a variable to a function.
3217 (RTX_SIZE): Rename to...
3218 (RTX_CODE_SIZE): ...this.
3221 PR tree-optimization/17106
3222 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3223 (Anchored Addresses): New section.
3224 * doc/invoke.texi (-fsection-anchors): Document.
3225 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3226 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3227 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3228 * hooks.c (hook_bool_mode_rtx_false): New function.
3229 * hooks.h (hook_bool_mode_rtx_false): Declare.
3230 * gengtype.c (create_optional_field): New function.
3231 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3232 SYMBOL_REF_IN_BLOCK_P is true.
3233 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3234 (min_anchor_offset, max_anchor_offset): Likewise.
3235 (use_anchors_for_symbol_p): New hook.
3236 * toplev.c (compile_file): Call output_object_blocks.
3237 (target_supports_section_anchors_p): New function.
3238 (process_options): Check that -fsection-anchors is only used on
3239 targets that support it and when -funit-at-a-time is in effect.
3240 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3241 if the decl doesn't have one.
3242 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3243 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3244 of force_const_mem through use_anchored_address.
3245 (expand_expr_constant): New function.
3246 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3247 calling expand_expr for INDIRECT_REF.
3248 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3249 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3250 * expr.h (use_anchored_address): Declare.
3251 * loop-unroll.c: Don't declare rtx vectors here.
3252 * explow.c: Include output.h.
3253 (validize_mem): Call use_anchored_address.
3254 (use_anchored_address): New function.
3255 * common.opt (-fsection-anchors): New switch.
3256 * varasm.c (object_block_htab, anchor_labelno): New variables.
3257 (hash_section, object_block_entry_eq, object_block_entry_hash)
3258 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3259 (use_blocks_for_decl_p, change_symbol_section): New functions.
3260 (get_variable_section): New function, split out from assemble_variable.
3261 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3262 use_blocks_for_decl_p say so. Use change_symbol_section if the
3263 symbol has already been created.
3264 (assemble_variable_contents): New function, split out from...
3265 (assemble_variable): ...here. Don't output any code for
3266 block symbols; just pass them to place_block_symbol.
3267 Use get_variable_section and assemble_variable_contents.
3268 (get_constant_alignment, get_constant_section, get_constant_size): New
3269 functions, split from output_constant_def_contents.
3270 (build_constant_desc): Create a block symbol if use_object_blocks_p
3271 says so. Or into SYMBOL_REF_FLAGS.
3272 (assemble_constant_contents): New function, split from...
3273 (output_constant_def_contents): ...here. Don't output any code
3274 for block symbols; just pass them to place_section_symbol.
3275 Use get_constant_section and get_constant_alignment.
3276 (force_const_mem): Create a block symbol if use_object_blocks_p and
3277 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3278 (output_constant_pool_1): Add an explicit alignment argument.
3279 Don't switch sections here.
3280 (output_constant_pool): Adjust call to output_constant_pool_1.
3281 Switch sections here instead. Don't output anything for block symbols;
3282 just pass them to place_block_symbol.
3283 (init_varasm_once): Initialize object_block_htab.
3284 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3285 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3286 (place_block_symbol, get_section_anchor, output_object_block)
3287 (output_object_block_htab, output_object_blocks): New functions.
3288 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3289 (TARGET_ASM_OUT): Include it.
3290 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3291 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3292 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3293 (TARGET_INITIALIZER): Include them.
3294 * rtl.c (rtl_check_failed_block_symbol): New function.
3295 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3296 (block_symbol, object_block): New structures.
3297 (rtx_def): Add a block_symbol field to the union.
3298 (BLOCK_SYMBOL_CHECK): New macro.
3299 (rtl_check_failed_block_symbol): Declare.
3300 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3301 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3302 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3303 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3304 * output.h (output_section_symbols): Declare.
3305 (object_block): Name structure.
3306 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3307 (default_use_anchors_for_symbol_p): Declare.
3308 * Makefile.in (RTL_BASE_H): Add vec.h.
3309 (explow.o): Depend on output.h.
3310 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3311 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3312 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3313 (rs6000_use_blocks_for_constant_p): New function.
3315 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3317 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3319 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3322 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3325 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3327 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3331 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3334 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3335 instead of DECL_REGISTER.
3337 2006-02-18 Olivier Hainque <hainque@adacore.com>
3340 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3342 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3345 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3346 * opth-gen.awk: Handle Var and InverseMask together.
3347 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3348 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3349 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3350 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3352 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3353 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3354 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3355 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3356 LINUX_DYNAMIC_LINKER): Define.
3357 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3358 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3360 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3361 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3362 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3363 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3364 (TARGET_C99_FUNCTIONS): Don't define.
3365 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3366 GLIBC_DYNAMIC_LINKER.
3367 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3368 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3369 GLIBC_DYNAMIC_LINKER64): Define.
3370 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3371 LINUX_DYNAMIC_LINKER64.
3372 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3373 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3374 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3375 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3376 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3377 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3378 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3379 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3380 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3381 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3382 and LINUX_DYNAMIC_LINKER32.
3383 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3384 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3385 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3386 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3387 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3389 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3390 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3391 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3392 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3393 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3394 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3395 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3396 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3397 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3398 LINUX_DYNAMIC_LINKER): Define.
3399 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3400 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3401 GLIBC_DYNAMIC_LINKER64): Define.
3402 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3403 LINUX_DYNAMIC_LINKER64.
3404 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3405 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3406 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3407 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3408 LINUX_DYNAMIC_LINKER): Define.
3409 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3410 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3411 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3412 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3413 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3414 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3415 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3416 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3417 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3418 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3419 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3420 * doc/invoke.texi (-muclibc): Remove caveat about supported
3423 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3425 * doc/cpp.texi (__TIMESTAMP__): Document.
3427 2006-02-17 Roger Sayle <roger@eyesopen.com>
3430 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3431 C is one less than the width of X (and related transformations).
3432 * simplify-rtx.c (simplify_unary_operation_1): Transform
3433 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3434 depending on STORE_FLAG_VALUE, were C is one less then the
3437 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3439 Fix PR tree-optimization/26341
3440 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3441 about NAME_MEMORY_TAG's.
3443 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3446 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3447 with hardware float support, and software float support. Add fcpy
3448 alternative to hardware patterns. Add alternatives to copy between
3449 general and floating-point registers to the 32-bit pattern.
3450 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3451 secondary reload to load a QI or HI mode constant into a floating
3453 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3454 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3456 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3459 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3461 (load_macho_picbase_di): Likewise.
3463 2006-02-16 Jeff Law <law@redhat.com>
3465 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3466 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3467 (ssa_name_nonzero_p): Likewise.
3468 (get_value_range): Return NULL if VRP is not running.
3469 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3470 VRP routines do not discover a range.
3471 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3472 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3473 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3474 (tree_expr_nonnegative_p): Similarly.
3475 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3476 (restore_nonzero_vars_to_original_value): Remove.
3477 (unsafe_associative_fp_binop): Remove.
3478 (tree_ssa_dominator_optimize): Remove initialization and
3479 finalization of nonzero_vars and nonzero_vars_stack.
3480 (dom_opt_initialize_block): No longer push marker on
3482 (dom_opt_finalize_block): No longer call
3483 restore_nonzero_vars_to_original_value.
3484 (record_equivalences_from_phis): No longer look for
3485 nonzero PHI arguments.
3486 (cprop_into_successor_phis): No longer propagate nonzero
3487 property into PHI arguments. Lose unused argument. Caller
3489 (record_equivalences_from_stmt): No longer record nonzero
3490 values for SSA_NAMEs.
3491 (lookup_avail_expr): No longer use nonzero_vars.
3493 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3494 for sizetype when sizetype is unsigned.
3496 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3498 PR rtl-optimization/25603
3499 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3500 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3501 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3502 with new meaning of SETS.
3504 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3509 * config/linux.opt: New file.
3510 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3511 LINUX_DYNAMIC_LINKER): Define.
3512 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3513 * config.gcc (*-*-linux*): Define extra_options.
3514 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3515 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3516 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3517 GLIBC_DYNAMIC_LINKER.
3518 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3519 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3520 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3521 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3522 * doc/invoke.texi (GNU/Linux Options): New section.
3524 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3526 * config/sparc/sparc.md (setjmp): Rewrite.
3527 (setjmp_32): Delete.
3528 (setjmp_64): Likewise.
3530 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3532 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3535 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3537 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3540 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3542 PR rtl-optimization/26296
3543 * Makefile.in (loop-invariant.c): Add except.h dependency.
3544 * loop-invariant.c: Include except.h.
3545 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3547 2005-02-16 Paul Brook <paul@codesourcery.com>
3549 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3552 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3554 PR rtl-optimization/25636
3555 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3556 when deciding whether an insn is an initializing insn.
3558 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3560 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3561 (tree_code_size): Ditto.
3562 * tree.h (struct tree_memory_tag): Remove parent_var.
3563 (struct tree_struct_field_tag): New.
3566 (union tree_node): Add sft member.
3567 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3569 (create_sft): Add size and offset argument, set SFT_OFFSET and
3571 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3572 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3573 * tree-flow-inline.h (get_subvar_at): Update for
3574 SFT_OFFSET/SFT_SIZE.
3575 (var_can_have_subvars): Ditto.
3576 (overlap_subvar): Ditto.
3577 * print-tree.c (print_node): Print out interesting things for
3579 * tree-flow.h (struct subvar): Remove offset and size members.
3580 * tree-ssa-operands.c (get_expr_operands): Update for
3581 get_indirect_ref_operands changes.
3582 (get_indirect_ref_operands): Call add_virtual_operand instead of
3583 add_stmt_operand. Only recurse on base var if requested.
3584 (access_can_touch_variable): New function.
3585 (add_stmt_operand): Split virtual operand handling into ...
3586 (add_virtual_operand): Here. Add offset, size, and for_clobber
3587 arguments. Prune alias sets.
3588 (add_call_clobber_ops): Call add_virtual_operand.
3590 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3593 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3595 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3596 than TREE_CODE as index into omp_clause_num_ops array.
3598 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3600 PR rtl-optimization/26184
3601 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3603 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3604 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3605 must_precede, must_follow and tobe_scheduled.
3608 * opts.c (common_handle_option): Free new_option pointer.
3609 * df-core.c (df_analyze): Free postorder pointer.
3611 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3613 * Makefile.in: Fix the examples about the use of stamps
3615 2006-02-15 Michael Matz <matz@suse.de>
3619 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3620 influenced by maximum_field_alignment or DECL_PACKED.
3621 (update_alignment_for_field): Ditto.
3622 (place_field): Ditto.
3623 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3626 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3628 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3629 (debug_flow_info): Pass it.
3630 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3631 * bb-reorder.c (reorder_basic_blocks): Likewise.
3632 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3633 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3634 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3635 * gcse.c (gcse_main, bypass_jumps): Likewise.
3636 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3637 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3638 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3639 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3640 * rtl.h (dump_flow_info): Adjust prototype.
3641 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3642 * var-tracking.c (variable_tracking_main): Likewise.
3643 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3644 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3647 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3649 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3652 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3654 PR tree-optimization/26209
3655 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3656 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3658 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3660 2006-02-14 Roger Sayle <roger@eyesopen.com>
3663 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3664 (X,Y) and the corresponding symmetry related transformations.
3665 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3666 (X,Y) and its symmetry related transformations.
3668 2006-02-14 Roger Sayle <roger@eyesopen.com>
3670 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3673 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3675 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3677 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3680 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3681 support COMDAT group.
3682 * configure: Regenerate.
3684 2006-02-14 Roger Sayle <roger@eyesopen.com>
3689 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3691 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3693 Fix PR tree-optimization/26260
3695 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3697 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3698 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3699 * tree-ssa-structalias.c (create_variable_info_for): Use
3700 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3702 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3704 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3706 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3707 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3708 of the ending condition.
3709 * tree-ssa-loop-manip.c: Include params.h.
3710 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3711 tree_unroll_loop): New functions.
3712 * tree-pass.h (pass_loop_prefetch): Declare.
3713 * loop.c (rest_of_handle_loop_optimize): Test for
3714 -fprefetch-loop-arrays-rtl.
3715 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3716 * timevar.def (TV_TREE_PREFETCH): New timevar.
3717 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3718 pass_loop_prefetch): New.
3719 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3720 (cleanup_tree_cfg_loop): Call scev_reset.
3721 * common.opt (fprefetch-loop-arrays-rtl): Add.
3722 * tree-ssa-loop-prefetch.c: New file.
3723 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3724 (new_temp_expr_table): Initialize expr_vars.
3725 (free_temp_expr_table): Cleanup expr_vars.
3726 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3727 expressions from being merged into one.
3728 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3729 (struct tree_niter_desc): Add control, bound and cmp fields.
3730 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3732 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3733 (tree-cfgcleanup.o): Add SCEV_H dependency.
3734 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3735 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3737 2006-02-14 Richard Guenther <rguenther@suse.de>
3739 PR tree-optimization/26258
3740 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3741 in PHI argument processing.
3743 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3745 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3746 new expression in the requested machine mode.
3748 2006-02-13 Roger Sayle <roger@eyesopen.com>
3750 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3751 directly, instead let do_compare_rtx_and_jump handle this for us.
3752 * expr.c (expand_expr_real_1): Likewise.
3753 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3754 before do_jump_by_parts_greater.
3755 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3756 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3758 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3760 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3762 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3764 PR rtl-optimization/26235
3765 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3766 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3769 2006-02-13 Jeff Law <law@redhat.com>
3771 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3774 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3777 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3778 twice if decl is a builtin. When trying again, call get_callee_fndecl
3779 first to verify it is still a builtin.
3781 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3783 * dwarf2out.c (base_type_die): Don't add AT_name here.
3784 (subrange_type_die): Don't add AT_name here.
3785 (modified_type_die): Rearrange code flow. Do add AT_name here.
3787 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3789 PR rtl-optimization/26247
3790 PR rtl-optimization/26248
3791 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3793 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3795 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3796 * config/fixtfdi.c: Likewise.
3797 * config/fixunstfdi.c: Likewise.
3798 * config/floatditf.c: Likewise.
3800 2006-02-13 Roger Sayle <roger@eyesopen.com>
3803 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
3804 into (X,C2) if C1 is a subset of the bits of C2. Transform
3805 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
3807 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
3809 2006-02-13 Josh Conner <jconner@apple.com>
3812 * varasm.c (function_section): Check for section name before
3813 calling select_section on targets that define
3814 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
3815 unlikely_text_section instead of hot_function_section if
3816 first_function_block_is_cold.
3818 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
3821 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
3823 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3825 PR rtl-optimization/26222
3826 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
3827 after tree->rtl expansion.
3828 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
3829 before passing it to emit_move_insn.
3831 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
3833 * doc/invoke.texi (-Write-strings): Document that it is enabled by
3835 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
3836 Clarify documentation.
3837 * c-common.h (warn_write_strings): Remove.
3838 * c-common.c (warn_write_strings): Likewise.
3839 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
3842 2006-02-12 Roger Sayle <roger@eyesopen.com>
3845 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
3846 (do_jump_parts_zero_rtx): New function renamed from
3847 do_jump_parts_equality_rtx. Made static. Add a mode argument.
3848 (do_jump_parts_equality_rtx): New function split out from
3849 do_jump_parts_equality. Old implementation renamed as above.
3850 Call do_jump_parts_zero_rtx if either operand is zero.
3851 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
3852 do all of the heavy lifting.
3853 (do_compare_rtx_and_jump): Handle multi-word comparisons by
3854 calling either do_jump_by_parts_greater_rtx or
3855 do_jump_by_parts_equality_rtx.
3856 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
3857 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
3858 moved to do_compare_rtx_and_jump, call it directly.
3859 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
3860 mode argument. Call do_compare_rtx_and_jump.
3861 (emit_case_nodes): Update calls to do_jump_if_equal.
3863 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3865 PR rtl-optimization/26225
3866 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
3868 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3870 PR rtl-optimization/26232
3871 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
3873 2006-02-11 Jason Merrill <jason@redhat.com>
3876 * tree-inline.c (declare_return_variable): Just don't use the
3877 modify target if it's a gimple complex reg and the return slot
3880 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3882 * doc/contrib.texi: Update my entry.
3884 2006-02-10 Geoffrey Keating <geoffk@apple.com>
3886 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
3888 2006-02-10 Diego Novillo <dnovillo@redhat.com>
3890 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3893 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3895 * doc/invoke.texi (-floop-optimize2): Removed.
3896 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3897 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3898 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3899 * common.opt (floop-optimize2): Removed.
3900 (fmove-loop-invariants): Enabled by default.
3902 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3904 * tree-if-conv.c (combine_blocks): Free the result of
3905 get_loop_exit_edges.
3907 2006-02-10 Jeff Law <law@redhat.com>
3909 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3911 PR tree-optimization/26213
3912 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3913 loop trying to follow SSA_NAME_VALUE chains.
3915 2006-02-10 Richard Guenther <rguenther@suse.de>
3917 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3918 deal with structures that end in implicitly variable sized arrays.
3920 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3922 PR rtl-optimization/24762
3923 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3926 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3928 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3929 (struct ivopts_data): Add regs_used field.
3930 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3931 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3932 instead of loop_data->regs_used;
3933 (free_loop_data): Do not free aux fields for loops.
3934 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3935 and tree_ssa_iv_optimize_finalize.
3937 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3939 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3941 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3944 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3945 computing the effective result type.
3947 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3950 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
3951 (tree_overlaps_hard_reg_set): Declare.
3952 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
3953 type and signature to match function type expected by walk_tree.
3954 (tree_overlaps_hard_reg_set): New function.
3955 (decl_conflicts_with_clobbers_p): Rename to:
3956 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
3957 Use tree_overlaps_hard_reg_set. Changed caller.
3958 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
3959 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
3960 * cris.c (cris_md_asm_clobbers): Likewise.
3962 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
3964 * reload1.c (emit_input_reload_insns): Delete code that tries to
3965 inherit using find_equiv_reg.
3967 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3969 * c-common.h (flag_const_strings): Don't declare.
3970 * c-common.c (flag_const_strings): Remove.
3971 * c.opt (fconst_strings): Remove.
3972 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
3973 <OPT_Wwrite_strings>: Don't set flag_const_strings.
3974 (c_common_init_options): Don't set flag_const_strings.
3975 * doc/invoke.texi (-fno-const-strings): Remove documentation.
3977 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3979 * arm.md (tlobits_cbranch): New pattern.
3980 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3981 testing a single bit.
3983 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3986 * tree-ssa-pre.c (create_component_ref_by_pieces):
3987 Handle RETURN_DECL like VAR_DECL.
3989 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3992 * fold-const.c (fold_indirect_ref_1): Fold
3993 "*(foo *)&complexfoo" to "__real__ complexfoo"
3994 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3996 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3998 * tree-flow-inline.h (var_can_have_subvars):
3999 Volatile variables should not have subvariables.
4001 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4004 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4005 multiplying unsigned values.
4008 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4010 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4012 2006-02-08 Jason Merrill <jason@redhat.com>
4015 * tree.def: Elaborate on difference from MODIFY_EXPR.
4016 * doc/c-tree.texi (INIT_EXPR): Likewise.
4017 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4018 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4019 (gimplify_target_expr): Likewise.
4020 (gimplify_cond_expr): Remove target handling.
4021 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4022 (gimplify_expr): Clobber it here.
4023 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4024 Do return slot optimization if we have an INIT_EXPR.
4027 * tree-inline.c (declare_return_variable): Also clear
4028 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4031 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4034 * gimplify.c (gimplify_one_sizepos): Fix typo.
4036 2006-02-08 Jeff Law <law@redhat.com>
4038 PR tree-optimization/21417
4039 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4040 across a backedge if the control statement at the end of the
4041 block is data dependent on other statements in the same block.
4042 (record_temporary_equivalences_from_stmts): Remove over-conservative
4043 test for threading across backedges.
4045 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4046 control statement, handle all three special cases in the same
4047 manner as they all have the same desired solution. No longer
4048 special case edge flag updating when the post dominator is
4051 2006-02-08 Roger Sayle <roger@eyesopen.com>
4053 * tree.def (CHAR_TYPE): Remove.
4054 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4055 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4056 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4057 (gen_string_type_die): Delete unreachable function.
4059 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4060 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4061 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4062 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4063 * builtins.c (type_to_class): Likewise.
4064 * fold-const.c (fold_convert, build_range_check,
4065 merge_ranges): Likewise.
4066 * expr.c (count_type_elements): Likewise.
4067 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4068 * stor-layout.c (layout_type): Likewise.
4069 * ipa-type-escape.c (type_to_consider): Likewise.
4070 * gimplify.c (omp_firstprivatize_type_sizes,
4071 gimplify_type_sizes): Likewise.
4072 * explow.c (promote_mode): Likewise.
4073 * tree-sra.c (is_sra_scalar_type): Likewise.
4074 * varasm.c (output_constant): Likewise.
4075 * tree-inline.c (remap_type_1): Likewise.
4076 * convert.c (convert_to_pointer, convert_to_real,
4077 convert_to_integer, convert_to_complex): Likewise.
4079 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4081 * df-scan.c (df_def_record_1): A set destination may
4082 be a parallel regardless of mode.
4084 2006-02-08 Roger Sayle <roger@eyesopen.com>
4087 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4088 * config/mips/_tilib.c: Remove.
4089 * config/fixtfdi.c: New libgcc source file.
4090 * config/fixunstfdi.c: New source file.
4091 * config/floatditf.c: New source file.
4092 * config/floatunditf.c: New souce file.
4093 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4094 files above instead of config/mips/_tilib.c.
4095 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4097 2006-02-08 Jeff Law <law@redhat.com>
4099 PR tree-optimization/26169
4100 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4103 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4105 * df.h (DF_REG_SIZE): Return the length of the initialized
4108 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4110 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4111 __muldf3): Return a correctly signed zero.
4113 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4115 * passes.c (register_one_dump_file): Accept the current properties
4116 instead of pass number. Adjust call to dump_register. Remove
4118 (register_dump_files): Now a wrapper around...
4119 (register_dump_files_1): ... this one. Do not modify the pass
4121 (next_pass_1): Cosmetic fix.
4122 (execute_todo): Keep second parameter only. Use curr_properties
4123 instead of fetching it from the pass structure. Check and set
4125 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4126 instead of fetching it from the pass structure. Fix calls to
4127 execute_todo. Update curr_properties and initialize .vcg RTL dump
4128 after running the pass. Reset last_verified.
4129 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4131 (FIRST_AUTO_NUMBERED_DUMP): New.
4132 (dump_register): Remove "num" parameter, assign it within the
4134 (get_dump_file_name): Modify template for dumps.
4135 * tree-dump.h (dump_register): Adjust prototype.
4136 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4137 (PROP_trees): Add PROP_gimple_lomp.
4138 (TODO_set_props): New.
4139 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4140 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4141 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4143 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4145 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4146 (sparc64-*-linux*): Likewise.
4147 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4148 * config/sparc/t-linux: New file.
4149 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4150 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4151 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4152 -m32 -mlong-double-128.
4154 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4155 * config/alpha/t-linux: New file.
4156 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4158 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4159 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4160 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4161 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4162 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4163 (CPP_ARCH32_SPEC): Remove.
4165 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4167 PR tree-optimization/26145
4168 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4171 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4174 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4175 >= 240000 when generating code for SOM runtime.
4176 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4177 to $$dyncall when generating code for SOM runtime..
4179 2006-02-07 Dirk Mueller <dmueller@suse.com>
4182 * doc/invoke.texi (-Wsequence-point): Update documentation
4183 that -Wsequence-point is implemented for C++ as well.
4185 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4187 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4188 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4189 (LIB_SPEC): Likewise.
4190 * doc/invoke.texi (SPARC options): Document -pthread.
4192 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4194 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4197 2006-02-07 Roger Sayle <roger@eyesopen.com>
4199 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4200 Correct comment describing BOOLEAN_TYPE.
4202 2006-02-07 Dirk Mueller <dmueller@suse.com>
4204 * c.opt: C++ frontend supports -Wdiv-by-zero.
4205 * c-opts.c (c_common_handle_option): Remove dead case.
4207 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4209 * configure.ac (TLS assembler check): Do not enable TLS by
4210 default on SPARC/Solaris before version 10.
4211 * configure: Regenerate.
4213 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4215 * doc/invoke.texi (xl-compat): Document conversion and support
4218 2006-02-07 Jeff Law <law@redhat.com>
4220 * tree-vrp.c (find_conditional_asserts): Update comments.
4221 (simplify_stmt_for_jump_threading): New.
4222 (identify_jump_threads, finalize_jump_threads): New.
4223 (vrp_finalize): Call identify_jump_threads.
4224 (execute_vrp): Call finalize_jump_threads.
4225 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4226 (vrp_element, vrp_data, vrp_element_p): Remove.
4227 (vrp_hash_elt, vrp_variables_stack): Remove.
4228 (vrp_hash, vrp_eq, record_range): Remove.
4229 (simplify_cond_and_lookup_avail_expr): Remove.
4230 (extract_range_from_cond): Remove.
4231 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4232 (simplify_stmt_for_jump_threading): New.
4233 (dom_thread_across_edge): New wrapper.
4234 (tree_ssa_dominator_optimize): No longer initialize or
4235 finalize any of the VRP datastructures. Remove iteration
4236 step and simplify as a result of removal of iteration step.
4237 (pass_dominator): Perform a cfg cleanup after DOM.
4238 (dom_opt_finalize_block): Use the new common routines
4239 for threading jumps. Simplify stack management slightly.
4240 No longer need to unwind VRP state.
4241 (record_equivalences_from_incoming_edge): No longer record
4243 (eliminate_redundant_computations): No longer call
4244 simplify_cond_and_lookup_avail_expr.
4245 * tree-flow.h (potentially_threadable_block): Prototype.
4246 (thread_across_edge): Likewise.
4247 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4248 (tree-ssa-threadedge.o): Add dependencies.
4249 * tree-ssa-threadedge.c: New file.
4250 * passes.c (init_optimization_passes): Merge PHIs before
4251 calling VRP. Run VRP again late in the SSA optimization pipeline.
4253 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4255 * df-core.c (df_set_blocks): Do not dereference function pointers.
4256 (df_finish1): Likewise.
4257 (df_hybrid_search_forward): Likewise.
4258 (df_hybrid_search_backward): Likewise.
4259 (df_iterative_dataflow): Likewise.
4260 (df_analyze_problem): Likewise.
4261 (df_compact_blocks): Likewise.
4262 (df_dump): Likewise.
4263 * df-scan.c (df_rescan_blocks): Likewise.
4264 (df_record_entry_block_defs): Likewise.
4266 * genconditions.c (write_conditions): Guard the definition of
4267 'insn_conditions' with the check on GCC version.
4268 (write_writer): Guard the traversal 'insn_conditions' with
4269 the check on GCC version.
4271 2006-02-07 Richard Guenther <rguenther@suse.de>
4275 2006-01-30 Richard Guenther <rguenther@suse.de>
4277 * gimplify.c (gimplify_target_expr): Handle easy cases
4278 without creating a temporary.
4280 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4282 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4283 use of float in probability computations. Use edge probabilities
4284 in place of statically computed probabilities.
4285 (min_spec_prob): New static variable.
4286 (schedule_insns): Initialize it.
4287 (GET_SRC_PROB): Removed.
4288 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4290 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4293 * config/ia64/unwind-ia64.c: Revert last change.
4294 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4295 (INCOMING_FRAME_SP_OFFSET): Define.
4297 2006-02-06 Roger Sayle <roger@eyesopen.com>
4299 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4301 2006-02-07 Ben Elliston <bje@au.ibm.com>
4303 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4304 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4305 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4306 (ix86_return_in_memory): Handle TDmode.
4307 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4308 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4310 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4312 * reorg.c (dbr_schedule): Use dump_file instead of file.
4314 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4317 * config/ia64/predicates.md (extr_len_operand): New predicate.
4318 * config/ia64/ia64.md (extv): Tighten constraints.
4320 (*tbit_and_2): Ditto.
4321 (*tbit_and_3): Ditto.
4322 (*tbit_or_2): Ditto.
4323 (*tbit_or_3): Ditto.
4327 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4330 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4332 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4334 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4335 loop_optimizer_init and loop_optimizer_finalize
4336 * tree-ssa-sink.c (execute_sink_code): Ditto.
4337 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4338 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4339 tree_ssa_loop_done): Ditto.
4340 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4341 * sched-ebb.c: Include output.h.
4342 (schedule_ebbs): Do not use dump argument.
4343 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4344 * loop.c (loop_dump_stream): Removed.
4345 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4347 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4348 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4349 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4350 loop_iterations, strength_reduce, record_biv, record_giv,
4351 final_giv_value, check_final_value, check_ext_dependent_givs,
4352 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4353 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4354 dump_file instead of loop_dump_stream.
4355 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4357 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4359 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4360 * haifa-sched.c: Include output.h
4361 (schedule_insns, sched_init): Do not use dump argument.
4362 * mode-switching.c (optimize_mode_switching): Ditto.
4363 * modulo-sched.c (stats_file): Removed.
4364 (print_node_sched_params): Do not call argument dump_file.
4365 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4366 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4368 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4370 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4371 rtl_loop_init, rtl_loop_done): Ditto.
4372 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4373 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4375 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4376 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4377 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4378 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4379 * emit-rtl.c (renumber_insns): Ditto.
4380 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4381 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4382 * regclass.c (regclass): Ditto.
4383 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4384 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4385 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4386 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4388 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4389 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4391 * gcse.c (gcse_file, debug_stderr): Removed.
4392 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4393 rest_of_handle_gcse): Do not use dump argument.
4394 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4395 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4396 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4397 compute_code_hoist_vbeinout, compute_code_hoist_data,
4398 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4399 compute_store_table, build_store_vectors, insert_insn_start_bb,
4400 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4401 store_motion): Use dump_file instead of gcse_file.
4402 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4403 * profile.c (profile_dump_file): Removed.
4404 (branch_prob): Use dump_file instead of profile_dump_file.
4405 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4407 * tree-ssa-copy.c (dump_copy_of): Ditto.
4408 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4409 dump file to life_analysis.
4410 * bt-load.c (branch_target_load_optimize): Ditto.
4411 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4413 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4414 regclass, dbr_schedule): Declaration changed.
4415 * sched-int.h (sched_init): Declaration changed.
4416 * tree-profile.c (tree_profile_dump_file): Removed.
4417 (tree_profile_hooks): Removed profile_dump_file hook.
4418 * rtl-profile (rtl_profile_dump_file): Removed.
4419 (rtl_profile_hooks): emoved profile_dump_file hook.
4420 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4422 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4423 * tree-cfg.c (build_tree_cfg): Ditto.
4424 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4425 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4426 Declaration changed.
4427 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4428 life_analysis and schedule_insns.
4429 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4431 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4433 * config/mips/mips.c (mips_reorg): Ditto.
4434 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4437 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4439 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4440 (s390_mangle_fundamental_type): New.
4441 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4444 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4445 (alpha_mangle_fundamental_type): New.
4446 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4449 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4451 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4453 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4454 (sparc_mangle_fundamental_type): New.
4456 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4458 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4459 (s390x-*-linux*): Likewise.
4460 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4461 * config/s390/t-linux: New file.
4463 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4465 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4466 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4468 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4470 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4471 (ANTIC_SAFE_LOADS): New macro.
4472 (find_or_generate_expression): Add prototype.
4473 (set_contains_value): Allow null set for sake of not always having
4474 to allocate ANTIC_SAFE_LOADS.
4475 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4476 Allow COMPONENT_REF too.
4477 (valid_in_set): Allow COMPONENT_REF.
4478 Check ANTIC_SAFE_LOADS too.
4479 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4480 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4482 (can_PRE_operation): Add COMPONENT_REF.
4483 (create_component_ref_by_pieces): New function.
4484 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4485 (insert_aux): Move AGGREGATE_TYPE_P check here.
4486 (compute_avail): Set bb local stmt uids.
4487 (pass_pre): Use TODO_update_ssa_only_virtuals.
4489 2006-02-06 Ben Elliston <bje@au.ibm.com>
4491 * configure.ac: Unconditionally disable decimal float by default.
4492 * configure: Regenerate.
4494 2006-02-06 Ben Elliston <bje@au.ibm.com>
4496 * read-rtl.c (read_name): Terminate reading on EOF.
4498 2006-02-06 Ben Elliston <bje@au.ibm.com>
4500 * dfp.c (decimal_real_arithmetic): Change second argument type
4501 from int to enum tree_code. Do not always return true, but now
4502 return result of any call to decimal_do helper functions.
4503 * dfp.h (decimal_real_arithmetic): Update prototype.
4505 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4507 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4509 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4512 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4515 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4517 * tree-vrp.c (cfg_loops): Removed.
4518 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4519 Use current_loops instead of cfg_loops. Pass flags to
4520 loop_optimizer_init.
4521 * cfgloopmanip.c (fix_loop_structure): Update only available
4523 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4524 loop_optimizer_init.
4525 * modulo-sched.c (build_loops_structure): Removed.
4526 (sms_schedule): Use loop_optimizer_init.
4527 * loop-init.c (loop_optimizer_init): Use flags to determine
4528 which properties of loops to prepare.
4529 (rtl_loop_init): Pass flags to loop_optimizer_init.
4530 * tree-ssa-sink.c (execute_sink_code): Ditto.
4531 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4532 * tree-ssa-pre.c (init_pre): Ditto.
4533 * cfgloop.h (LOOPS_NORMAL): New.
4534 (loop_optimizer_init): Declaration changed.
4536 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4538 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4539 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4541 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4543 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4545 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4546 * pa/t-pa64: Delete quadlib.c rule.
4547 * pa/x-ada: Revert last change.
4548 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4550 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4552 PR rtl-optimization/26087
4553 * rtlanal.c (canonicalize_condition): Do not cross basic block
4556 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4559 * config/ia64/ia64.c: Include debug.h.
4560 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4561 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4562 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4563 (process_epilogue, process_set, process_for_unwind_directive):
4564 Output unwind info only if requested. Add CFA info if requested.
4565 Add new arguments as needed. Adjust callers.
4566 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4568 (DWARF2_FRAME_INFO): Define to zero.
4569 * config/ia64/unwind-ia64.c: Remove code that compensated for
4570 the CFA offset error fixed above.
4571 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4572 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4573 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4574 -funwind-tables and -fexceptions to enable frame info.
4575 (dwarf2out_frame_init): Define initial CFA even if
4576 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4577 DWARF2_UNWIND_INFO is nonzero, not just defined.
4578 (dwarf2out_frame_finish): Output non-EH call frame info only
4579 if DWARF2_FRAME_INFO is nonzero.
4580 (convert_cfa_to_loc_list,
4581 compute_frame_pointer_to_cfa_displacement): Define even if
4582 unwind info is not supported.
4583 (gen_subprogram_die): Use the above unconditionally. Remove
4584 legacy alternate code.
4585 * toplev.c (compile_file): Compile in call to
4586 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4587 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4589 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4590 Jakub Jelinek <jakub@redhat.com>
4592 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4593 IBM extended float format long double as "g" on powerpc*-linux.
4595 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4598 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4599 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4601 2006-02-03 Jason Merrill <jason@redhat.com>
4604 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4607 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4608 on the return slot if it's an NRV.
4610 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4612 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4613 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4614 rewrite_use): Do not handle USE_OUTER.
4615 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4616 add_iv_outer_candidates, may_replace_final_value,
4617 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4618 (find_interesting_uses_op): Functionality of
4619 find_interesting_uses_outer_or_nonlin moved here.
4620 (find_interesting_uses_outside): Use find_interesting_uses_op.
4622 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4625 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4627 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4628 Ulrich Weigand <uweigand@de.ibm.com>
4631 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4632 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4633 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4634 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4636 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4637 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4638 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4639 Define secondary reloads for TFmode moves.
4640 (constant_modes): Add TFmode.
4641 (NR_C_MODES): Set to 8.
4642 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4644 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4645 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4646 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4647 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4648 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4649 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4650 (FPR mode macro): Add TFmode.
4651 (DSF mode macro): New.
4652 (<de>, <dee> mode attributes): Removed.
4653 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4654 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4655 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4656 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4657 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4658 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4659 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4660 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4661 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4662 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4663 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4664 "*negabs<mode>2", "sqrt<mode>2"):
4665 Changed <de> to <xde>. R constraint replaced by <Rf>.
4666 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4668 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4669 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4670 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4672 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4673 "extenddftf2", "extendsftf2"): New expanders.
4674 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4675 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4676 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4677 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4679 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4680 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4681 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4682 __floatditf): Add a GCC_4.1.0 symbol version tag.
4683 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4686 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4689 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4690 Use targetm.binds_local_p instead of TREE_PUBLIC.
4692 2006-02-02 Roger Sayle <roger@eyesopen.com>
4694 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4695 on INTEGER_TYPEs to indicate that it denotes a character type.
4696 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4697 signed_char_type_node, unsigned_char_type_node and char_type_node.
4698 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4699 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4700 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4702 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4703 Daniel Berlin <dberlin@dberlin.org>
4705 * tree-tailcall.c (arg_needs_copy_p): New function.
4706 (eliminate_tail_call): Use arg_needs_copy_p.
4707 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4708 (add_virtual_phis): New function.
4710 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4712 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4713 #ignore instead of #scratch for %g7 .register directive.
4715 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4717 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4720 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4722 * flow.c (calculate_global_regs_live): Assert that there aren't any
4725 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4727 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4729 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4730 bsi_after_labels iterator.
4731 * tree-if-conv.c (find_phi_replacement_condition,
4732 replace_phi_with_cond_modify_expr): Likewise.
4733 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4734 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4736 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4738 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4740 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4743 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4744 array after growing it.
4746 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4749 * fold-const.c (fold_checksum_tree): Change type of buf.
4751 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4753 * reload.c (push_secondary_reload): Initialize t_icode.
4755 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4757 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4758 -msoft-float -mlong-double-128 only issue a warning, but don't
4759 swich to DFmode long double.
4761 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4763 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4764 has a constant equivalent, iterate over equivalents for arg0,
4765 calling simplify_relational_operation and if there's a result
4766 cheaper than X, apply fold_rtx and return the result.
4768 2006-02-01 Jan Hubicka <jh@suse.cz>
4770 * opts.c (no_unit_at_a_time_default): New global variable.
4771 (decode_options): Use it.
4772 * opts.h (no_unit_at_a_time_default): Declare.
4774 2006-02-01 Paul Brook <paul@codesourcery.com>
4776 * function.c (assign_parm_setup_reg): Use function argument promotion
4778 * expr.c (expand_expr_real_1): Use function argument promotion rules
4781 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4783 * gcc.c (process_command): Change j to 'unsigned int'.
4785 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4788 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4789 Use the corrected index for the character
4790 out of the string constant.
4792 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4794 * mode-switching.c (optimize_mode_switching): Fix size
4795 allocated for bb_info[n_entities].
4797 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4799 * gcc.c (main): Correct type that is allocated for
4800 explicit_link_files.
4802 2006-01-31 Jakub Jelinek <jakub@redhat.com>
4804 * config/s390/s390.c (init_alignment_context): Set
4805 ALIAS_SET_MEMORY_BARRIER on the MEM.
4806 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
4808 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
4811 * loop-unroll.c (unroll_loop_runtime_iterations): Free
4813 * tree-ssa-live.c (type_var_init): Allocate bitmap after
4816 2006-01-31 Marcin Dalecki <martin@dalecki.de>
4818 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
4819 * regrename.c: Ditto.
4820 * tree-ssa-loop-im.c: Ditto.
4821 * tree-dump.c: Ditto.
4822 * tree-complex.c: Ditto.
4823 * genrecog.c: Ditto.
4824 * tree-ssa-threadupdate.c: Ditto.
4826 * java/class.c: Ditto.
4827 * java/jcf-parse.c: Ditto.
4828 * java/resource.c: Ditto.
4829 * java/except.c: Ditto.
4830 * java/jvspec.c: Ditto.
4831 * java/jcf-write.c: Ditto.
4832 * java/jcf-path.c: Ditto.
4833 * java/gjavah.c: Ditto.
4834 * java/zextract.c: Ditto.
4835 * java/jcf-io.c: Ditto.
4836 * java/jcf.h: Ditto.
4837 * java/buffer.c: Ditto.
4838 * java/lang.c: Ditto.
4839 * java/parse-scan.y: Ditto.
4840 * java/lex.c: Ditto.
4841 * java/lex.h: Ditto.
4842 * cfgloopmanip.c: Ditto.
4843 * postreload-gcse.c: Ditto.
4844 * tree-ssa-loop-manip.c: Ditto.
4845 * postreload.c: Ditto.
4846 * tree-ssa-loop-ch.c: Ditto.
4850 * diagnostic.c: Ditto.
4852 * genoutput.c: Ditto.
4854 * cfghooks.c: Ditto.
4855 * cfgloopanal.c: Ditto.
4856 * objc/objc-act.c: Ditto.
4858 * genextract.c: Ditto.
4859 * genautomata.c: Ditto.
4860 * pretty-print.c: Ditto.
4862 * cgraphunit.c: Ditto.
4865 * haifa-sched.c: Ditto.
4866 * dominance.c: Ditto.
4868 * tree-ssa-loop-ivopts.c: Ditto.
4870 * mode-switching.c: Ditto.
4871 * modulo-sched.c: Ditto.
4873 * ipa-pure-const.c: Ditto.
4875 * fix-header.c: Ditto.
4877 * tree-stdarg.c: Ditto.
4878 * ipa-utils.c: Ditto.
4879 * loop-init.c: Ditto.
4880 * ipa-inline.c: Ditto.
4883 * alloc-pool.c: Ditto.
4884 * dwarf2out.c: Ditto.
4886 * genattrtab.c: Ditto.
4887 * tree-ssa-loop-ivcanon.c: Ditto.
4891 * fortran/gfortranspec.c: Ditto.
4893 * local-alloc.c: Ditto.
4894 * langhooks.c: Ditto.
4895 * function.c: Ditto.
4896 * tree-vectorizer.c: Ditto.
4898 * ipa-type-escape.c: Ditto.
4900 * tree-if-conv.c: Ditto.
4903 * tree-data-ref.c: Ditto.
4904 * loop-unroll.c: Ditto.
4905 * treelang/treetree.c: Ditto.
4908 * ggc-common.c: Ditto.
4910 * coverage.c: Ditto.
4912 * tree-cfgcleanup.c: Ditto.
4913 * tree-ssa-pre.c: Ditto.
4914 * cfgcleanup.c: Ditto.
4915 * loop-invariant.c: Ditto.
4917 * ipa-prop.c: Ditto.
4918 * print-tree.c: Ditto.
4919 * conflict.c: Ditto.
4920 * ggc-page.c: Ditto.
4921 * sched-deps.c: Ditto.
4922 * regclass.c: Ditto.
4923 * tree-object-size.c: Ditto.
4925 * bb-reorder.c: Ditto.
4926 * resource.c: Ditto.
4927 * var-tracking.c: Ditto.
4929 * df-problems.c: Ditto.
4930 * reg-stack.c: Ditto.
4933 * sched-rgn.c: Ditto.
4934 * tree-ssa-structalias.c: Ditto.
4935 * tree-ssa-reassoc.c: Ditto.
4936 * config/darwin-c.c: Ditto.
4937 * config/darwin.c: Ditto.
4938 * config/arm/arm.c: Ditto.
4940 * collect2.c: Ditto.
4943 2006-01-31 Nicolas Pitre <nico@cam.org>
4945 * arm.md (smaxsi3): Make aware of smax_m1.
4948 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4950 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
4952 2006-01-31 Richard Guenther <rguenther@suse.de>
4954 * doc/invoke.texi (-msselibm): Document.
4955 * target.h (expand_library_builtin): New target hook.
4956 * builtins.c (expand_builtin): Use expand_library_builtin.
4957 (default_expand_library_builtin): New function.
4958 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4959 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4960 (link_gcc_math_spec): Declare.
4961 (static_specs): Add link_gcc_math_spec.
4962 * expr.h (default_expand_library_builtin): Declare.
4963 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4964 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4965 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4966 * config/i386/i386.opt (msselibm): New target option.
4967 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4968 (ix86_init_sse_abi_builtins): New function.
4969 (ix86_expand_library_builtin): Likewise.
4970 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4971 (override_options): Handle error conditions wrt -msselibm.
4972 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4973 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4974 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4977 2006-01-31 Richard Guenther <rguenther@suse.de>
4978 Paolo Bonzini <bonzini@gnu.org>
4980 * doc/install.texi (--disable-libgcc-math): Document.
4982 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4984 * expr.h (expand_normal): new inline function.
4985 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4987 * dwarf2out.c: use it.
4992 * config/sparc/sparc.c: use it.
4993 * config/i386/i386.c: use it.
4994 * config/rs6000/rs6000.c: use it.
4995 * config/arm/arm.c: use it.
4996 * config/mips/mips.c: use it.
4997 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4999 2006-01-30 Roger Sayle <roger@eyesopen.com>
5001 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5002 argv to the appropriate type.
5004 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5006 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5009 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5012 * config/s390/s390.c (struct machine_function): New flag
5013 decomposed_literal_pool_addresses_ok_p.
5014 (s390_reorg): Set it before final stage of literal pool transforms.
5015 (s390_decompose_address): Only accept displacements of the form
5016 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5018 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5020 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5021 the comparison routine return.
5023 2006-01-30 Michael Matz <matz@suse.de>
5025 * global.c (find_reg): Only evict for global regs.
5026 Take n_refs into account and dump more info.
5028 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5031 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5032 (pragma_trap, pragma_nosave_low_regs): Likewise.
5033 (current_function_anonymous_args): Likewise.
5034 (sh_deferred_function_attributes): New variable.
5035 (sh_deferred_function_attributes_tail): Likewise.
5036 (print_operand): For '@', look up trap_exit attribute.
5037 (calc_live_regs): Look up trapa_handler attribute. For trapa
5038 handlers, save/restore fpscr, but don't do any other
5039 interrupt-specific saves.
5040 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5041 Fix check for partially saved registers to check for SHmedia.
5042 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5043 (sh_output_function_epilogue): Don't clear any of the removed
5045 (sh_insert_attributes): Don't check pragma_interrupt.
5046 Insert deferred attributes. Check that interrupt attribute is
5047 present for other attributes that require its presence.
5048 (sh_attribute_table): Add new attributes trapa_handler and
5050 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5051 Don't check for pragma_interrupt. Don't store argument.
5052 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5053 (sh_deferred_function_attributes): Declare.
5054 (sh_deferred_function_attributes_tail): Likewise.
5055 * sh.md (sp_switch_1): Add operand. Change generator caller.
5056 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5057 (*return_i): Don't use when trap_exit attribute is in effect.
5058 (*return_trapa): New insn pattern.
5060 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5061 setting c_target_objs and cxx_target_objs.
5062 * t-sh: Add rule for sh-c.o.
5064 2006-01-30 Richard Guenther <rguenther@suse.de>
5067 * gimplify.c (gimplify_target_expr): Handle easy cases
5068 without creating a temporary.
5070 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5072 * vec.h (safe_grow): Remove duplicated line.
5074 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5077 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5078 (expand_omp): ... here.
5079 (expand_omp_parallel): Only remove barriers for combined
5080 parallel+workshare constructs.
5082 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5086 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5087 * tree.c (build_qualified_type): Chain the new type to the original
5088 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5089 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5090 (build_pointer_type_for_mode): Only return unqualified types.
5091 (build_reference_type_for_mode): Likewise.
5093 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5095 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5096 * Makefile.in (CXX_COMPAT_WARN): Define.
5097 * configure: Regenerate.
5099 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5102 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5105 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5107 * toplev.c: Fix thinko.
5109 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5110 Marcin Dalecki <martin@dalecki.de>
5112 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5113 (push_srcloc): Use XNEW.
5114 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5116 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5118 * df-core.c (df_set_blocks): Deleted all variable.
5120 2006-01-28 Ian Lance Taylor <ian@airs.com>
5122 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5123 cgraph_output_pending_asms.
5125 2006-01-28 Zack Weinberg <zackw@panix.com>
5127 * c.opt: Add -W(no-)overlength-strings.
5128 * doc/invoke.texi: Document it.
5129 * c-opts.c (c_common_handle_option): -pedantic implies
5130 -Woverlength-strings, if not explicitly disabled already.
5131 (c_common_post_options): -Woverlength-strings defaults to off, and
5132 is always off for C++.
5133 * c-common.c (fix_string_type): Issue warning about strings longer
5134 than is portable only if warn_overlength_strings. Rearrange code
5135 a little for clarity.
5136 * configure.in: Check for -Wno-overlength-strings as well before
5137 enabling -pedantic in stage 1.
5138 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5139 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5141 * genconditions.c (write_header, write_one_condition)
5142 (write_conditions, write_writer): Consolidate very long strings
5143 that were broken up to fit in C89 portable limit. Don't use
5144 printf when fputs will do.
5146 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5148 * combine.c (simplify_comparison <AND>): Check
5149 TRULY_NOOP_TRUNCATION before start using a subreg.
5151 * config/mips/mips.md (*branch_zero<mode>,
5152 *branch_zero<mode>_inverted, *branch_equality<mode>,
5153 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5154 Remove mode check from comparisons.
5156 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5158 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5160 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5162 * expmed.c (const_mult_add_overflow_p): Remove.
5163 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5165 * recog.c (validate_replace_rtx_subexp): Remove.
5166 * recog.h: Remove the prototype for
5167 validate_replace_rtx_subexp.
5169 * integrate.h: Remove the prototype for
5170 copy_decl_for_inlining.
5171 * rtl.h: Remove the prototype for mark_constant_function.
5172 * tree-vectorizer.h: Remove the prototype for
5173 vect_strip_conversion.
5175 * modulo-sched.c (create_partial_schedule,
5176 free_partial_schedule, reset_partial_schedule): Make them
5179 * hooks.c (hook_bool_rtx_int_false): Remove.
5180 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5182 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5184 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5185 and -mlong-double-128 are incompatible.
5186 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5187 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5188 (TARGET_LIBGCC2_CFLAGS): Define.
5189 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5190 (TARGET_LIBGCC2_CFLAGS): Same.
5191 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5193 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5196 * c-typeck.c (build_binary_op): Perform implicit casts of
5197 operands before shortening them.
5199 * cfgloopmanip.c (split_loop_bb): Remove.
5200 * cfgloop.h: Remove the prototype for split_loop_bb.
5202 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5203 * cfgloop.h: Remove the prototype for
5204 flow_loop_outside_edge_p.
5206 * emit-rtl.c (init_virtual_regs): Make it static.
5207 * function.h: Remove the prototype for init_virtual_regs.
5209 * recog.c (peephole2_optimize): Make it static.
5210 * recog.h: Remove the prototype for peephole2_optimize.
5212 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5214 * df-scan.c (df_record_entry_block_defs): Check if
5215 INCOMING_RETURN_ADDR_RTX is defined.
5217 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5218 Kenneth Zadeck <zadeck@naturalbridge.com>
5220 PR rtl-optimization/24762
5221 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5222 * targhooks.c (hook_void_bitmap): New hook prototype.
5223 * targhoohs.h (hook_void_bitmap): Ditto.
5224 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5225 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5226 * target.h (live_on_entry): New function pointer.
5227 * df-scan.c (df_all_hard_regs): Removed.
5228 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5229 (df_scan_free_internal): Added df->entry_block_defs.
5230 (df_scan_alloc): Ditto.
5231 (df_scan_dump): Ditto.
5232 (df_uses_record): Plumbed flag field properly thru calls.
5233 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5234 This part fixes PR24762.
5235 (df_bb_refs_record): Added code to make the frame and arg
5236 pointers live in EH blocks.
5237 (df_refs_record): Added call to df_record_entry_block_defs.
5238 (df_record_entry_block_defs): New function.
5239 * df-core.c: Added comments to describe new artifical defs.
5240 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5241 (entry_block_defs): New field in struct df.
5242 (df_all_hard_regs): Deleted.
5243 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5244 * df-problems.c (df_ru_bb_local_compute_process_def):
5245 Added code to handle artifical defs in the entry to a function.
5246 (df_ru_bb_local_compute): Ditto.
5247 (df_rd_bb_local_compute_process_def): Ditto.
5248 (df_rd_bb_local_compute): Ditto.
5249 (df_lr_bb_local_compute): Ditto.
5250 (df_ur_bb_local_compute): Ditto.
5251 (df_urec_bb_local_compute): Ditto.
5252 (df_chain_create_bb): Ditto.
5253 (df_ur_local_finalize): Removed entry.
5254 (df_urec_init): Ditto.
5255 (df_urec_local_finalize): Ditto.
5256 (df_ri_bb_compute): Added detection of last use of pseudos.
5257 * Makefile.in (df-scan.o): Updated dependencies.
5258 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5259 * config/mips/mips.c (mips_set_live_on_entry): Added.
5260 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5262 * dce.c (marked_insn_p): Added code to handle artifical defs.
5264 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5266 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5268 (_mm_cvtsi128_si64): Likewise.
5269 (_mm_cvtsd_si64): Likewise.
5270 (_mm_cvttsd_si64): Likewise.
5271 (_mm_cvtsi64_sd): Likewise.
5272 (_mm_cvtsi64_si128): Likewise.
5273 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5274 (_mm_cvtsi64_m64): Likewise.
5275 (_m_to_int64): Likewise.
5276 (_mm_cvtm64_si64): Likewise.
5277 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5278 (_mm_cvttss_si64): Likewise.
5279 (_mm_cvtsi64_ss): Likewise.
5280 (_mm_cvtss_f32): Likewise.
5282 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5284 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5285 for pragma redefine_extname.
5287 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5290 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5291 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5292 -mno-minimal-toc to previous content.
5293 (bispecs): Remove goal.
5294 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5295 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5296 compatibility aliases on powerpc-*-*gnu*.
5297 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5298 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5299 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5300 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5301 (ldblspecs): New goal.
5302 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5303 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5305 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5306 L_sf_to_tf or L_df_to_tf is defined.
5308 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5309 Alan Modra <amodra@bigpond.net.au>
5312 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5313 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5314 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5315 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5316 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5317 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5318 (rs6000_override_options): Initialize rs6000_ieeequad.
5319 Initialize TFmode format to ibm_extended_format if not
5321 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5323 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5324 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5325 (function_arg_advance): IBM long double passed in two FPRs, not
5327 (function_arg): IBM long double passed in FPRs.
5328 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5329 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5330 Only multireg GPR aligned.
5331 (rs6000_init_libfuncs): Enable IBM long double functions if not
5333 (rs6000_generate_compare): Use IBM long double compare if not
5335 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5336 (TARGET_IEEEQUAD): Define.
5337 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5338 not TARGET_IEEEQUAD.
5339 * config/rs6000/rs6000.md: Enable TFmode patterns if
5341 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5342 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5343 and -mlong-double-128 are incompatible.
5344 * doc/invoke.texi (-mabi): Collect options together. Add
5345 ibmlongdouble and ieeelongdouble.
5347 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5349 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5351 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5352 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5353 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5354 * rtl.h (rtunion_def): Remove rt_ptr.
5356 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5357 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5358 * config/i386/winnt.c (i386_pe_mark_dllexport)
5359 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5361 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5363 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5365 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5369 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5370 pthread_key_delete. From John David Anglin. gthrw-ify
5371 pthread_getunique_np only if it it's not a macro. Delete
5373 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5374 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5375 __gthread_objc_condition_signal, __gthread_key_delete): Add
5376 "__attribute__ ((__unused__))" to unused arguments.
5377 (__gthread_recursive_mutex_init_function): Add missing return.
5378 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5379 gthr-posix95.h: Use macro-based approach for name redirection
5380 on targets missing weakref.
5382 2006-01-26 Zack Weinberg <zackw@panix.com>
5384 * genconditions.c (write_header): In generated code, #ifdef out
5385 all includes and fake declarations, except includes of bconfig.h
5386 and system.h, unless GCC_VERSION >= 3001. Do not include
5387 gensupport.h in any case.
5388 (write_conditions): Generate a definition of struct c_test. Add
5389 a comment to the generated #endif.
5390 (write_one_condition): Escape backslashes in string too.
5391 (write_writer): Generated code must escape backslashes and quote
5392 marks (but not newlines) in the strings it writes.
5393 * Makefile.in (build/gencondmd.o): Update dependencies.
5395 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5398 * Makefile.in (insn-automata.o): Add header file dependencies.
5399 * genautomata.c: Add includes.
5401 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5404 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5406 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5408 * configure.ac: Expect target tools paths to be passed from the toplevel
5409 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5411 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5413 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5416 * c.opt (Wpointer-sign): Init to -1.
5417 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5418 OPT_pedantic, to 0 otherwise.
5419 * doc/invoke.texi: Update.
5421 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5423 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5424 constants provided by 80387 instructions in the destination mode.
5426 2006-01-26 Richard Guenther <rguenther@suse.de>
5427 Andrew Pinski <pinskia@physics.uc.edu>
5430 partial PR tree-opt/17064
5431 * tree-ssa-structalias.c (intra_create_variable_infos):
5432 Create heap variables for incoming parameters if
5433 flag_argument_noalias > 1.
5434 (find_what_p_points_to): Look through default defs of
5437 2006-01-26 Jeff Law <law@redhat.com>
5440 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5441 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5442 within the VR_RANGE, use the VR_RANGE as the result, not the
5444 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5445 bounds for the type.
5447 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5449 * tree-ssa-alias.c (maybe_create_global_var): Change
5450 subvar walking to an assertion that we don't have subvar'd variables.
5452 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5455 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5456 Use a new variable, inner. PARM_DECLs are always non-weak.
5458 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5460 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5463 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5465 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5467 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5469 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5470 (smax_insn, smin_insn, smax_0, smin_0): New.
5472 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5475 * config/cris/cris.c (cris_order_for_addsi3): New function.
5476 * config/cris/cris-protos.h: Prototype it.
5477 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5478 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5479 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5480 (split for "op.S1 [rx=rx+i],ry (swapped)")
5481 (split for "op(s|u).S1 [rx=rx+i],ry")
5482 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5483 Apply cris_order_for_addsi3 when generating addsi3 insns.
5485 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5487 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5488 (TREE_BLOCK): Add call to EXPR_CHECK.
5490 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5493 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5494 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5495 (dump_omp_clauses): ... here.
5496 (dump_generic_node): Handle OMP_CLAUSE.
5497 * tree.c (omp_clause_num_ops): New.
5498 (omp_clause_code_name): New.
5499 (tree_code_size): Handle OMP_CLAUSE.
5500 (tree_size): Likewise.
5501 (make_node): Document handling of OMP_CLAUSE.
5502 (tree_node_structure): Handle OMP_CLAUSE.
5503 (omp_clause_check_failed): New.
5504 (omp_clause_range_check_failed): New.
5505 (omp_clause_operand_check_failed): New.
5506 (build_omp_clause): New.
5507 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5508 * tree.h (enum omp_clause_code): Declare.
5509 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5510 (OMP_CLAUSE_RANGE_CHECK): Define.
5511 (OMP_CLAUSE_ELT_CHECK): Define.
5512 (omp_clause_check_failed): Declare.
5513 (omp_clause_operand_check_failed): Declare.
5514 (omp_clause_range_check_failed): Declare.
5515 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5516 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5517 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5518 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5519 (OMP_CLAUSE_IF_EXPR): Likewise.
5520 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5521 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5522 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5523 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5524 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5525 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5526 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5527 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5528 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5529 (OMP_CLAUSE_CODE): Define.
5530 (OMP_CLAUSE_SET_CODE): Define.
5531 (OMP_CLAUSE_CODE): Define.
5532 (OMP_CLAUSE_OPERAND): Define.
5533 (struct tree_omp_clause): Declare.
5534 (union tree_node): Add field 'omp_clause'.
5535 * treestruct.def (TS_OMP_CLAUSE): Define.
5536 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5537 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5538 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5539 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5540 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5541 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5542 (OMP_CLAUSE): Define.
5543 * print-tree.c (print_node): Handle OMP_CLAUSE.
5544 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5545 * c-typeck.c: Likewise.
5546 * gimplify.c: Likewise.
5547 * c-omp.c: Likewise.
5548 * tree-nested.c: Likewise.
5549 * tree-inline.c: Likewise.
5550 * c-parser.c: Likewise.
5551 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5554 2006-01-25 Roger Sayle <roger@eyesopen.com>
5556 PR rtl-optimization/25703
5557 * combine.c (try_combine): Handle zero_extract and strict_low_part
5558 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5560 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5562 * global.c: Fix comment typos.
5564 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5567 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5568 Use output_addr_const instead of assemble_name.
5570 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5572 * Makefile.in (sched-vis.o): Update dependencies.
5573 * haifa-sched.c (sched_finish): Clear current_sched_info.
5574 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5575 (dump_flow_info): Call it.
5576 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5578 * basic-block.h (dump_bb_info): Declare.
5579 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5580 option, and apply options only for dump files whose TDF_RTL,
5581 TDF_TREE, or TDF_IPA bits match.
5582 * rtl.h: Declare new functions exported from sched-vis.c.
5583 * sched-vis.c: Enable also if scheduling is not used.
5584 (print_value): Print the mode of registers if not inside scheduling.
5585 (print_insn): Make it work outside the scheduler. Beautify the output
5587 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5589 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5591 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5592 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5593 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5594 depending on the value of CONSTANT_POOL_ADDRESS_P.
5595 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5597 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5598 rather than SYMBOL_REF_DECL.
5599 (rtx_constant_pool): Remove const_rtx_sym_htab.
5600 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5601 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5602 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5603 Remove handling of const_rtx_sym_htab.
5604 (find_pool_constant): Delete.
5605 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5606 rather than find_pool_constant.
5607 (get_pool_constant_for_function): Delete.
5608 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5610 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5611 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5612 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5613 (SYMBOL_REF_CONSTANT): New macro.
5614 (get_pool_constant_for_function): Delete.
5615 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5616 rather than SYMBOL_REF_DECL.
5617 (i386_pe_mark_dllimport): Likewise.
5618 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5619 rather than SYMBOL_REF_DECL.
5620 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5621 (machopic_indirect_call_target): Likewise.
5623 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5625 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5627 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5629 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5631 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5633 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5635 2006-01-24 David Daney <ddaney@avtrex.com>
5638 * configure.ac (enable_tls): New enable option.
5639 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5640 * configure: Regenerate.
5641 * doc/install.texi (--enable-tls): Document new option.
5642 (--disable-tls): Ditto.
5644 2006-01-24 Richard Henderson <rth@redehat.com>
5646 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5647 * alias.c (true_dependence): Respect it.
5648 (canon_true_dependence, write_dependence_p): Likewise.
5649 * builtins.c (get_builtin_sync_mem): Set it.
5651 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5653 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5656 2006-01-24 DJ Delorie <dj@redhat.com>
5658 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5659 for storing constants in single-bit bitfields.
5661 2006-01-25 Ben Elliston <bje@au.ibm.com>
5663 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5665 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5668 * tree-ssa-pre.c (phi_translate): Return NULL
5669 for AGGREGATE_TYPE's.
5671 2006-01-24 Zack Weinberg <zackw@panix.com>
5673 * genautomata.c (process_state_for_insn_equiv_partition):
5674 Use xcalloc for insn_arcs_array.
5675 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5676 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5678 2006-01-24 Richard Henderson <rth@redhat.com>
5680 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5683 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5685 PR rtl-optimization/25890
5686 PR rtl-optimization/25905
5687 * combine.c (expand_compound_operation, expand_field_assignment):
5688 Fail if the bitfield's final position is out of bounds.
5690 2006-01-24 Ian Lance Taylor <ian@airs.com>
5693 * cgraphunit.c (cgraph_output_in_order): Don't clear
5694 cgraph_asm_nodes until after asm strings have been output.
5696 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5698 * fix-header.c (read_scan_file): Add new parameter imultilib when
5699 calling register_include_chains.
5701 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5703 * omp-low.c: Update documentation.
5705 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5706 Daniel Berlin <dberlin@dberlin.org>
5710 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5711 return from the function.
5713 2006-01-22 Zack Weinberg <zackw@panix.com>
5715 * rtl.def (match_code): Add second argument.
5716 * genpreds.c (write_extract_subexp): New function.
5717 (write_match_code): Add path argument. Use write_extract_subexp.
5718 (write_predicate_expr): Pass path to write_match_code.
5719 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5720 not perform a mode test.
5721 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5722 a subexpression does not constrain the top-level code set.
5723 * read-rtl.c (read_rtx_variadic): New function.
5724 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5725 * doc/md.texi: Document new notation.
5726 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5727 (cmpsi_operand): ... here, using new notation.
5729 2006-01-22 Zack Weinberg <zackw@panix.com>
5731 * varray.c: Remove GENERATOR_FILE #ifdefs.
5733 2006-01-22 Zack Weinberg <zackw@panix.com>
5735 * genautomata.c (output_reserved_units_table): Emit nothing if
5736 description->query_units_num is zero. Remove extra blank line.
5737 (output_cpu_unit_reservation_p): Short circuit
5738 if description->query_units_num is zero.
5740 2006-01-22 Zack Weinberg <zackw@panix.com>
5742 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5743 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5744 nor any of the random handful of variables that used to be necessary
5745 when this program was linked with rtlanal.o. Prune set of forward
5746 function declarations.
5747 (struct attr_desc): Remove static_p field.
5748 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5749 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5750 (attr_string): Do not read the character one past the length of
5752 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5753 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5754 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5755 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5756 (make_automaton_attrs): New.
5757 (main): Do not call into genautomata. Call local gen_bypass
5758 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5759 Remove special case for insn_alts.
5760 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5761 varray.h (leftover from previous change). Prune set of forward
5762 function declarations. Remove state_alts fields from all
5763 structures. Remove state_alts_table from struct automaton.
5764 Make everything except main static. Do not maintain num_dfa_decls.
5765 Do not maintain state_alts fields of various structures.
5766 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5767 (add_arc): Remove state_alts argument. All callers updated.
5768 (output_reserved_units_table): Emit #ifdef here...
5769 (output_tables): ...not here. Don't generate state_alts tables.
5770 (expand_automata): Don't generate attributes.
5771 (write_automata): Don't generate state_alts functions.
5772 (main): New function.
5773 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5774 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5775 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5776 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5777 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5778 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5779 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5780 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5782 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5783 * genattrtab.h: Delete file.
5784 * Makefile.in (OBJS-common): Add insn-automata.o.
5785 (insn-automata.o): New rule.
5786 (simple_generated_c): Add insn-automata.c.
5787 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5788 (genprogmd): Add automata.
5789 (build/genattrtab): Needs no extra objects nor libraries.
5790 (build/genautomata): Needs build/vec.o and -lm.
5792 2006-01-22 Zack Weinberg <zackw@panix.com>
5794 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5795 (output_dfa_max_issue_rate, locked_states_num): Delete.
5796 (struct automaton): Add locked_states field.
5797 (output_dead_lock_vect): Save number of locked states in
5798 automaton->locked_states. If it is zero, don't print anything.
5799 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
5800 (output_internal_dead_lock_func): Only test the dead_lock_vect
5801 for automata that have locked states.
5802 (output_statistics): Always print the number of locked states for
5803 each automaton. Calculate total number of locked states here.
5804 (write_automata): Don't call output_dfa_max_issue_rate.
5805 * genattrtab.c: Define length_unit_log as a const variable.
5806 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
5807 max_insn_queue_index const.
5808 * final.c (length_unit_log): Declare const.
5809 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
5811 2006-01-22 Zack Weinberg <zackw@panix.com>
5813 * genautomata.c: Include vec.h, not varray.h.
5814 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
5815 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
5816 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
5817 VEC_* macros operating on appropriately typed vectors, or to
5818 malloced arrays when the size is known in advance. Const-ify
5819 many char* variables and function arguments. No functional changes.
5820 * Makefile.in (build/varray.o): Delete rule.
5821 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
5822 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
5824 2006-01-22 Zack Weinberg <zackw@panix.com>
5826 * gensupport.c: Define get_insn_name and record_insn_name here.
5827 (read_md_rtx): Call record_insn_name as appropriate.
5828 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5829 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5830 * genpreds.c, genrecog.c: Don't define get_insn_name nor
5832 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
5833 (BUILD_VARRAY): Delete.
5834 (genprognormal): Rename genprogmd. Fold in all programs from
5835 genprognoprint; also attrtab.
5836 (build/genattrtab): Just mention genautomata.o and varray.o.
5837 Reorganize a bit, add comments to make the categories clearer.
5839 2006-01-22 Zack Weinberg <zackw@panix.com>
5841 * genconditions.c (condition_table, add_condition): Delete.
5842 (write_conditions): Don't emit n_insn_conditions nor
5843 insn_elision_unavailable. Issue the gcc version #ifdef here,
5844 inside the table, with no #else clause ...
5845 (write_header): ...not here.
5846 (write_writer): New function.
5847 (main): Don't initialize condition_table. Use add_c_test.
5849 * gensupport.c (init_md_reader_args_cb): Handle multiple input
5850 files on the command line.
5851 (maybe_eval_c_test): Don't check insn_elision_unavailable.
5852 Return -1 if there is no entry in the table, don't abort.
5853 (add_c_test, traverse_c_tests): New functions.
5854 * gensupport.h (insn_elision_unavailable, insn_conditions)
5855 (n_insn_conditions): Delete declarations.
5856 (add_c_test, traverse_c_tests): Declare.
5857 * read-rtl.c: Include gensupport.h.
5858 (read_conditions): New function.
5859 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
5860 (read_rtx_1): If we get EOF when we were looking for an initial
5861 open paren, return 0. Call read_conditions when appropriate.
5862 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
5863 dummy-conditions.o. Eliminate references to insn-conditions.o,
5864 or change them to build/gencondmd.o, as appropriate. Remove
5865 insn-constants.h from $(simple_generated_h) and insn-conditions.c
5866 from $(simple_generated_c). For all files remaining in those
5867 two lists, add insn-conditions.md to the generator command line.
5868 Give insn-constants.h/s-constants their own rules. Add rules
5869 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
5870 (build/read-rtl.o): Depend on gensupport.h.
5871 (genprognormal): Include preds.
5872 (genprogearly): Rename genprognoprint; only difference is now that
5873 they don't link with $(BUILD_PRINT).
5874 * dummy-conditions.c: Delete.
5876 2006-01-22 Zack Weinberg <zackw@panix.com>
5878 * genextract.c: Don't include insn-config.h. Do include vec.h.
5879 Declare vectors of int, char, and locstr.
5880 (locstr): New typedef.
5881 (struct extraction): Make all array fields into bare pointers.
5882 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
5883 (insn_code_number): Delete.
5884 (accum_extract): New struct.
5885 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
5886 (gen_insn): Take insn_code_number as an argument. Use an
5887 accum_extract structure instead of loading data directly into
5888 a struct extraction, and having to know how big it might get.
5889 (walk_rtx): Operate entirely on an accum_extract structure.
5890 (print_path): Avoid unnecessary use of printf.
5891 (print_header): New function, split out of main. Distinguish
5892 more carefully between an unrecognizable insn and an insn that
5893 has the code number of a define_expand.
5894 (main): Pass insn_code_number to gen_insn. Call print_header
5895 only after parsing. Avoid unnecessary use of printf.
5896 * Makefile.in (build/vec.o): New rule.
5897 (build/genextract): Depend on build/vec.o.
5898 (build/genextract.o): Don't depend on insn-config.h.
5900 2006-01-22 Zack Weinberg <zackw@panix.com>
5902 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5903 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5904 practical. Eliminate per-generator-program link rules.
5906 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5909 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5910 with a call expr to ...
5911 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5913 2006-01-23 Richard Guenther <rguenther@suse.de>
5915 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5916 before make_edge with conditional EDGE_TRUE_VALUE.
5918 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5919 Jan Hubicka <jh@suse.cz>
5920 Richard Guenther <rguenther@suse.de>
5922 PR rtl-optimization/25654
5923 * cfgexpand.c (aggregate_contains_union_type): New function.
5924 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5925 for structure variables that contain a union type.
5927 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5929 * gengtype.c (new_structure): Return the structure.
5930 (create_option): Add an extra "next" argument.
5931 (create_field): New function.
5932 (adjust_field_rtx_def): Use create_option and create_field.
5933 Remove a now-unnecessary call to find_structure.
5934 (adjust_field_tree_def): Likewise.
5935 (note_yacc_type): Remove an unnecessary call to find_structure.
5936 * gengtype.h (new_structure): Return the structure.
5937 (create_option): Add an extra argument.
5938 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5939 (option): Adjust calls to create_option.
5941 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5943 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5945 2006-01-22 Paul Brook <paul@codesourcery.com>
5946 Peter Barada <peter@the-baradas.com>
5948 * config/m68k/m68k.md: Add Coldfire FPU support.
5949 Define FP mode macro and associated attributes.
5950 Use it for float mode patterns.
5951 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
5952 (LIBCALL_VALUE): Use m68k_libcall_value.
5953 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
5954 (m68k_function_value): Ditto.
5955 (emit_move_sequence): Ditto.
5956 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
5957 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
5958 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
5959 (MULTILIB_EXCEPTIONS): Ditto.
5960 * config/m68k/m68k.opt: Add mcfv4e.
5961 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
5962 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
5963 (m68k_output_function_prologue): Save ColdFire FPU registers.
5964 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
5965 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
5966 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
5967 ColdFire FPU registers.
5968 (m68k_libcall_value, m68k_function_value): New functions.
5969 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
5970 (LIBCALL_VALUE): Use m68k_libcall_value.
5971 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
5972 (MASK_COLDFIRE): Add MASK_CFV4E.
5973 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
5974 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
5975 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
5976 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
5977 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5978 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5979 * doc/invoke.tex: Document -mcfv4e on m68k.
5981 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5983 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5986 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5989 * c-opts.c (c_common_handle_option): Don't include
5990 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5991 * doc/invoke.texi (C++ Dialect Options): Document that
5992 -Wnon-virtual-dtor is no longer included in -Wall.
5994 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5996 * gcov.c (print_version), gcov-dump.c (print_version),
5997 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6000 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6002 * df-scan.c (problem_SCAN): Added NULL reset function.
6003 (df_scan_reset_blocks): Added code to call reset block function
6004 (df_bb_refs_delete) Fixed comment.
6005 (df_insn_refs_delete): Made tolerant of deleting non existent info
6006 for dataflow problems that need to be reset.
6007 * df-core.c (df_set_blocks): Ditto.
6008 * df.h (struct df_problem): Added reset_fun.
6009 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6010 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6011 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6012 functions to clear out all references to def-use or use-def chains.
6014 2006-01-21 Ben Elliston <bje@au.ibm.com>
6016 * varasm.c (assemble_real): Initialise data array.
6018 2006-01-20 Paul Brook <paul@codesourcery.com>
6020 Merge from csl-arm-branch.
6021 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6022 * config/arm/arm.md (movdi): Force operands[1] to a register
6023 if we have a non-register source.
6024 (*arm_movdi, *movdf_soft_insn): Require that one of the
6025 operands be a register.
6026 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6027 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6029 2006-01-20 DJ Delorie <dj@redhat.com>
6031 * varasm.c (initialize_constant_valid_p): Allow pointers
6032 initialized from integer constants of lesser precision.
6033 (output_constant): Allow non-int-sized pointer modes to be
6034 initialized from integer constants.
6036 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6039 * cppdefault.h (struct default_include): Add multilib flag.
6040 * cppdefault.c (cpp_include_defaults): Set it.
6041 * c.opt (-imultilib): New option.
6042 * c-opts.c (imultilib): New.
6043 (c_common_handle_option): Handle -imultilib.
6044 (c_common_post_options): Likewise.
6045 * c-incpath.c (add_standard_paths, register_include_chains):
6047 * c-incpath.h (register_include_chains): Add extra parameter.
6048 * gcc.c (do_spec_1): Generate -imultilib option.
6049 (The Specs Language): Update %I description.
6050 (process_command): Update copyright notice.
6051 * doc/cppopts.texi (-imultilib): Document.
6052 * doc/invoke.texi (-imultilib): Include in option summary.
6053 (%I): Update specs documentation.
6055 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6057 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6059 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6061 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6064 2006-01-20 Richard Guenther <rguenther@suse.de>
6065 Steven Bosscher <stevenb.gcc@gmail.com>
6067 PR rtl-optimization/24626
6068 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6069 EDGE_TRUE_VALUE if in RTL mode.
6072 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6073 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6075 2006-01-20 Dirk Mueller <dmueller@suse.com>
6078 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6079 instead of a special NOP marker.
6080 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6081 NOP marker handling.
6082 * c-common.h (empty_body_warning): Add forward declaration.
6083 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6084 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6086 2006-01-20 Paul Brook <paul@codesourcery.com>
6088 * Makefile.in (lang_checks): Keep going if mkdir fails.
6090 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6092 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6093 be able to clean out basic block when not necessary.
6094 (df_scan_free): Fixed to properly delete information if df is
6095 unused before calling df_finish.
6096 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6097 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6099 (df_bb_refs_delete): New function.
6100 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6101 * df-core.c (df_set_blocks): Added code to properly clean out
6102 unused blocks if they are not part of the blocks to consider.
6103 Added additional null check.
6104 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6105 be able to clean out basic block when not necessary
6106 * df.h (df_free_bb_function): Ditto.
6107 (df_bb_refs_delete): New function.
6108 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6109 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6110 basic block parameter to be able to clean out basic block when not
6112 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6113 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6114 Fixed to properly delete information if df is unused before
6117 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6119 PR rtl-optimization/25799
6120 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6121 Corrected confluence operator to remove bits from op2 before oring
6122 with op1 rather than removing bits from op1.
6123 (df_ru_transfer_function): Corrected test on wrong bitmap which
6124 caused infinite loop. Both of these problems were introduced in
6125 the dataflow rewrite.
6127 2006-01-19 DJ Delorie <dj@redhat.com>
6129 * reload1.c (find_reload_regs): Note the details of reload
6130 failures in the dump file.
6131 (spill_failure): Likewise.
6133 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6135 * loop-iv.c: Include df.h and hashtab.h.
6136 (enum iv_grd_result): New enum.
6137 (DF_REF_IV, DF_REF_IV_SET): New macros.
6138 (struct biv_entry): New.
6139 (df, bivs): New global variables.
6140 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6141 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6143 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6144 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6145 analyzed_for_bivness_p, record_biv): New functions.
6146 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6147 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6148 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6150 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6152 (iv_number_of_iterations): Use new interface to iv analysis.
6153 * loop-unroll.c: Do not include varray.h.
6154 (analyze_iv_to_split_insn): Use new interface to iv
6156 * loop-unswitch.c (may_unswitch_on): Ditto.
6157 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6159 (df_bb_modify): Realloc tables to the new index.
6160 (df_find_use): New function.
6161 * df.h (df_find_use): Declare.
6162 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6164 * cfgloop.h (struct rtx_iv): Remove analysed field.
6165 (iv_get_reaching_def): Removed.
6166 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6167 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6168 (loop-iv.o): Add df.h and hashtab.h dependency.
6169 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6171 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6174 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6176 (__floatundisf, __floatundidf): Likewise.
6177 * libgcc2.h (IS_IBM_EXTENDED): Define.
6179 2006-01-19 DJ Delorie <dj@redhat.com>
6181 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6183 2006-01-19 Paul Brook <paul@codesourcery.com>
6185 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6186 as nothrow when unwinding tables are disabled.
6188 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6191 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6192 of bit-field" when in system header.
6194 2006-01-19 DJ Delorie <dj@redhat.com>
6196 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6197 the 16 bit shift limit of the m16c.
6199 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6202 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6203 * config/i386/i386.c (output_set_got): Output the label if we have one
6204 for the TARGET_DEEP_BRANCH_PREDICTION case.
6206 2006-01-19 Jan Hubicka <jh@suse.cz>
6207 H.J. Lu <hongjiu.lu@intel.com>
6208 Evandro Menezes <evandro.menezes@amd.com>
6210 * invoke.texi (generic): Document
6212 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6213 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6214 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6215 (x86_use_incdec, x86_pad_returns): New variables
6216 (TARGET_CPU_DEFAULT_generic): New constant
6217 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6218 (enum processor_type): Add generic32 and generic64.
6219 * i386.md (cpu attribute): Add generic32/generic64
6220 (movhi splitter): Behave sanely when both partial_reg_dependency and
6221 partial_reg_stall are set.
6222 (K8 splitters): Enable for generic as well.
6223 * predicates.md (incdec_operand): Use TARGET_INCDEC
6224 (aligned_operand): Avoid memory mismatch stalls.
6225 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6226 * ppro.md: Enable for generic32
6227 * i386.c (generic64_cost, generic32_cost): New.
6228 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6229 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6230 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6231 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6232 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6233 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6234 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6235 x86_accumulate_outgoing_args, x86_prologue_using_move,
6236 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6237 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6239 (x86_use_incdec, x86_pad_returns): New.
6240 (override_options): Add generic32 and generic64, translate "generic"
6241 to generic32/generic64 and "i686" to "generic32", refuse
6242 "generic32"/"generic64" as arch target.
6243 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6244 (ix86_reorg): Honor PAD_RETURNS.
6246 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6248 * tree-pretty-print.c (dump_generic_node): Handle
6249 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6250 * cgraph.c (cgraph_expand_queue): Rename from
6251 cgraph_analyze_queue. Update all users.
6252 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6253 cgraph_expand_queue.
6254 (cgraph_expand_all_functions): Likewise.
6255 (cgraph_finalize_pending_functions): Remove. Update callers.
6257 * tree.h (OMP_DIRECTIVE_P): Define.
6258 (OMP_PARALLEL_FN): Define.
6259 (OMP_PARALLEL_DATA_ARG): Define.
6260 (OMP_SECTIONS_SECTIONS): Define.
6261 * tree-pass.h (pass_expand_omp): Declare.
6262 * omp-low.c (struct omp_region): Declare.
6263 (struct omp_context): Remove fields 'parallel_type',
6264 'parallel_start_ix' and 'parallel_start_additional_args'.
6266 (struct omp_for_data): Rename from struct expand_omp_for_data.
6267 (omp_regions): New static variable.
6268 (root_omp_region): New static variable.
6269 (find_omp_clause): Make static.
6270 (is_in_combined_parallel_ctx): Remove.
6271 (is_combined_parallel): New.
6272 (extract_omp_for_data): Move earlier in the file.
6273 (workshare_safe_to_combine_p): New.
6274 (get_ws_args_for): New.
6275 (determine_parallel_type): Move earlier in the file.
6276 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6278 (omp_copy_decl): Likewise.
6279 (create_omp_child_function): Likewise.
6280 (lookup_omp_region): New.
6281 (dump_omp_region): New.
6282 (debug_omp_region): New.
6283 (debug_all_omp_regions): New.
6284 (new_omp_region): New.
6285 (scan_omp_parallel): If parallel_nesting_level > 1, the
6286 directive is nested within another parallel directive.
6287 Set OMP_PARALLEL_FN.
6288 (scan_omp_for): Do not try to handle combined parallel+for
6290 Remove FIXME comment.
6291 (scan_omp_nested): Remove.
6292 (scan_omp_1): Do not call scan_omp_nested when
6293 parallel_nesting_level is > 1.
6294 Do not change the DECL_CONTEXT of local variables found.
6295 (lookup_decl_in_outer_ctx): New.
6296 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6297 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6298 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6299 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6300 If CTX is nested, lookup VAR in the outer context when
6301 building copy assignment.
6302 (lower_send_clauses): Rename from expand_send_clauses.
6303 If CTX is nested, lookup VAR in the outer context when
6304 building copy assignments.
6305 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6306 If CTX is nested, lookup VAR in the outer context when
6307 building copy assignments.
6308 (expand_parallel_call): Rename from build_parallel_call.
6309 Handle combined parallel+workshare cases.
6310 Re-implement to emit code into the CFG.
6312 (expand_omp_parallel): Re-implement to emit code into the CFG.
6313 Call move_sese_region_to_fn to outline the sub-graph
6314 containing the parallel region.
6315 (expand_omp_for_1): Remove.
6316 (expand_omp_for_generic): Re-implement to emit code into the
6318 (expand_omp_for_static_nochunk): Likewise.
6319 (expand_omp_for_static_chunk): Likewise.
6320 (expand_omp_for): Likewise.
6321 (expand_omp_sections): Likewise.
6322 (remove_exit_barriers): New.
6323 (expand_omp_synch): New.
6325 (build_omp_regions_1): New.
6326 (build_omp_regions): New.
6327 (execute_expand_omp): New.
6328 (gate_expand_omp): New.
6329 (pass_expand_omp): Define.
6330 (lower_omp_sections): Rename from expand_omp_sections.
6331 Set OMP_SECTIONS_SECTIONS.
6332 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6333 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6334 (lower_omp_single): Rename from expand_omp_simple.
6335 (lower_omp_master): Rename from expand_omp_master.
6336 (lower_omp_ordered): Rename from expand_omp_ordered.
6337 (lower_omp_critical): Rename from expand_omp_critical.
6338 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6339 (lower_omp_for): Re-implement.
6340 (lower_omp_parallel): Re-implement.
6341 (lower_regimplify): Rename from expand_regimplify.
6342 (lower_omp_1): Rename from expand_omp_1.
6343 If there are syntax errors in the program, replace every
6344 OpenMP directive with NOP.
6345 Call lower_omp_* instead of expand_omp_*.
6346 (lower_omp): Rename from expand_omp.
6348 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6349 * tree-gimple.h (enum omp_parallel_type): Remove.
6350 (gimple_boolify): Declare extern.
6351 (find_omp_clause, determine_parallel_type): Remove.
6353 * gimple-low.c (lower_omp_directive): New.
6354 (lower_stmt): Call it.
6355 (record_vars_into): Move from ...
6356 (record_vars): ... here.
6357 Call record_vars_into with current_function_decl.
6359 * gimplify.c (struct gimplify_ctx): Remove fields
6360 combined_pre_p and combined_ctxp. Update users.
6361 (get_formal_tmp_var): Add documentation.
6362 (gimple_boolify): Make extern.
6363 (gimplify_expr_in_ctx): Remove. Update callers.
6364 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6365 will always be a BIND_EXPR.
6366 (gimplify_expr): Handle OMP_RETURN_EXPR.
6367 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6368 (OMP_PARALLEL): Add 3 operands.
6369 (OMP_SECTIONS): Add 1 operand.
6370 (OMP_RETURN_EXPR): Define.
6372 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6373 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6374 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6375 creating a circular free list.
6376 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6378 * tree-flow.h (move_sese_region_to_fn): Declare.
6379 (record_vars_into): Declare.
6380 * tree-cfg.c (make_omp_sections_edges): New.
6381 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6382 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6383 OMP_SECTIONS and OMP_SECTION.
6384 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6385 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6386 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6387 (gather_blocks_in_sese_region): New.
6388 (struct move_stmt_d): Declare.
6390 (move_block_to_fn): New.
6391 (move_sese_region_to_fn): New.
6393 * passes.c (init_optimization_passes): Schedule
6394 pass_expand_omp after pass_init_datastructures.
6396 * tree-ssa-operands.c (get_expr_operands): Handle
6397 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6398 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6400 2006-01-19 Jeff Law <law@redhat.com>
6402 * tree-vrp.c (extract_range_from_assert): Refine the result range
6403 if the variable referenced by the ASSERT_EXPR has a range and
6404 either the tentative result range or the previous range is a
6407 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6409 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6411 2006-01-19 Jan Hubicka <jh@suse.cz>
6413 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6415 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6417 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6418 (expand_compound_operation, expand_field_assignment): Fail if the
6419 bit lengths of an extract operation are out of range.
6420 (make_extraction): Compute wanted_inner_mode based on the position
6421 and length of the extraction. Make it extraction_mode for non-constant
6422 positions, and do not modify offset in that case. When generating a
6423 new MEM, use a mode that can hold the extraction while keeping correct
6424 alignment. Remove code that supported MEMs wrapped by USEs.
6425 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6427 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6429 * config/s390/s390.md ("Y", "y"): New mode attribute.
6430 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6431 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6432 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6433 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6434 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6435 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6436 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6437 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6438 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6439 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6440 "addsi3", "subsi3"): Insn patterns removed.
6441 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6442 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6443 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6444 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6445 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6446 "*sub<mode>3_cconly2"): New insn patterns.
6447 ("addsi3", "subsi3"): New expanders.
6449 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6451 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6452 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6453 existing STMT_VINFO_VECTYPE if available.
6454 (vect_mark_relevant): Add special handling for stmts that are
6455 marked as STMT_VINFO_IN_PATTERN_P.
6456 (vect_analyze_loop): Call vect_pattern_recog.
6457 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6458 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6460 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6461 (vect_recog_func_ptr): New function-pointer type.
6462 * tree-vect-patterns.c: New file.
6463 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6464 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6465 (vect_pattern_recog_1): New functions.
6466 (vect_pattern_recog_funcs): New array of function pointers.
6468 * tree-vectorizer.h (ternary_op): New enum value.
6469 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6470 declaration. Revised documentation. Removed redundant dump prints.
6471 Removed redundant argument. Added support for reduction patterns.
6472 (vectorizable_reduction): Added support for reduction patterns.
6473 (vect_transform_stmt): Added support for patterns.
6475 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6476 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6477 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6478 (expand_widen_pattern_expr): New function.
6479 (init_optabs): Initialize new optabs udot_prod_optab,
6481 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6482 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6483 (expand_widen_pattern_expr): New function declaration.
6484 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6486 * tree-inline.c (estimate_num_insns_1): Added cases for new
6487 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6488 * tree-pretty-print.c (dump_generic_node): Likewise.
6489 (op_prio): Likewise.
6490 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6491 * tree-ssa-operands.c (get_expr_operands): Added case for
6493 * tree-vect-patterns.c (widened_name_p): New function.
6494 (vect_recog_dot_prod_pattern): Added function implementation.
6495 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6496 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6497 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6498 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6500 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6501 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6502 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6503 (init_optabs): Initialize new optabs widen_ssum_optab,
6505 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6506 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6507 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6508 use instead of type of def.
6509 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6510 function implementation.
6511 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6512 widen_ssumv8hi): New.
6514 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6517 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6520 * c-decl.c (add_flexible_array_elts_to_size): New function.
6521 (finish_decl): Use it.
6523 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6525 * diagnostic.h: Include options.h.
6526 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6527 dependancies for diagnostic.h.
6528 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6530 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6532 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6533 (ssa_ro_call_cache_valid): Ditto.
6534 * tree-ssa-alias.c (sort_tags_by_id): New function.
6535 (init_transitive_clobber_worklist): Ditto.
6536 (add_to_worklist): Ditto.
6537 (mark_aliases_call_clobbered): Ditto.
6538 (compute_tag_properties): Ditto.
6539 (set_initial_properties): Ditto.
6540 (compute_call_clobbered): Ditto.
6541 (compute_may_aliases): Call compute_call_clobbered and grouping.
6542 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6543 (compute_flow_insensitive_aliasing): Grouping now happens in our
6545 (setup_pointers_and_addressables): Remove clobbering related code.
6546 (add_may_alias): Ditto.
6547 (replace_may_alias): Ditto.
6548 (get_nmt_for): Ditto.
6549 (create_global_var):
6550 (is_escape_site): Return an escape_type enumeration.
6551 * tree-flow-inline.h (is_call_clobbered): Global var does not
6552 imply call clobbered.
6553 (mark_call_clobbered): Take a reason for marking this. Remove
6554 marking of globalness, and cache invalidation.
6555 (clear_call_clobbered): Remove cache invalidation code.
6556 * tree-dfa.c (dump_variable): If details is on, dump the reason
6558 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6560 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6561 (struct var_ann_d): Ditto.
6562 (enum escape_type): New.
6563 (mark_call_clobbered): Adjust prototype.
6564 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6565 are never call clobbered.
6566 Record reasons for escaping.
6567 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6568 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6569 (ssa_ro_call_cache_valid): Ditto.
6570 (clobbered_v_may_defs): Ditto.
6571 (clobbered_vuses): Ditto.
6572 (ro_call_vuses): Ditto.
6573 (clobber_stats): New.
6574 (init_ssa_operands): Zero out clobber stats.
6575 (fini_ssa_operands): Print out clobber stats.
6576 (get_call_expr_operands): Pass callee fndecl to
6578 (add_call_clobber_ops): Remove use of cache.
6579 Add use of PURE_CONST information.
6580 (add_call_read_ops): Remove use of cache.
6581 Add use of static not_read information.
6583 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6585 Introduce TLS descriptors for i386 and x86_64.
6586 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6587 (TARGET_ANY_GNU_TLS): New macro.
6588 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6589 (struct machine_function): Add tls_descriptor_call_expanded_p.
6590 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6591 (ix86_current_function_calls_tls_descriptor): Likewise.
6592 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6593 (override_options): Introduce gnu2 tls dialect.
6594 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6596 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6598 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6599 (ix86_init_machine_status): Initialize new field.
6600 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6601 (ix86_tls_module_base): New.
6602 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6603 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6604 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6605 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6606 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6607 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6608 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6609 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6610 * config/i386/predicates.md (tls_modbase_operand): New.
6611 (tp_or_register_operand): New.
6613 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6615 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6616 (look_for_address_of): Ditto.
6617 (ipa_init): Walk the function decls.
6618 (static_execute): Don't set readonly on FUNCTION_DECL's.
6620 2006-01-18 Roger Sayle <roger@eyesopen.com>
6622 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6623 for shifts where the source and destination registers are different.
6625 2006-01-18 Paul Brook <paul@codesourcery.com>
6627 Merge from csl-arm-branch.
6628 2005-03-14 Julian Brown <julian@codesourcery.com>
6629 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6630 (aeabi_llsl): Likewise.
6631 (ashrdi3): Likewise.
6632 (aeabi_lasr): Likewise.
6633 (lshrdi3): Likewise.
6634 (aeabi_llsr): Likewise.
6635 2005-03-10 Julian Brown <julian@codesourcery.com>
6636 * config.gcc: Disable shared libgcc for SymbianOS.
6637 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6639 2006-01-18 DJ Delorie <dj@redhat.com>
6641 * c-pragma.c (handle_pragma_diagnostic): New.
6642 (init_pragma): Register it.
6643 * doc/extend.texi: Document it.
6645 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6646 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6647 (diagnostic_context): Add classify_diagnostic[].
6648 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6649 as errors if they're overridden to DK_WARNING.
6650 (diagnostic_initialize): Initialize classify_diagnostic[].
6651 (diagnostic_set_kind_override): New.
6652 (diagnostic_report_diagnostic): Check for kind changes.
6653 * opts.c (common_handle_option): Take lang_mask. Update callers.
6655 * common.opt (Werror=): New.
6656 * doc/invoke.texi: Document -Werror=*
6658 2006-01-18 Jeff Law <law@redhat.com>
6660 * tree-vrp.c (test_for_singularity): Correct test for new
6661 min limit. Use operand_equal_p rather than pointer equality
6662 for testing if new min/max values are equal.
6664 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6665 using range information until after propagation and folding.
6667 2006-01-18 Richard Henderson <rth@redhat.com>
6668 Aldy Hernandez <aldyh@redhat.com>
6669 Jakub Jelinek <jakub@redhat.com>
6670 Diego Novillo <dnovillo@redhat.com>
6672 * omp-low.c: New file.
6673 * c-omp.c: New file.
6675 2006-01-18 Richard Henderson <rth@redhat.com>
6676 Jakub Jelinek <jakub@redhat.com>
6677 Diego Novillo <dnovillo@redhat.com>
6679 * doc/invoke.texi: Document -fopenmp.
6680 * tree-dump.h (debug_function): Declare.
6681 * hooks.c (hook_bool_tree_bool_false): New function.
6682 (hook_tree_tree_null): Remove.
6683 (hook_tree_tree_tree_null): New.
6684 * hooks.h: Update to match.
6685 * tree-pretty-print.c (debug_tree_chain): New.
6686 (print_generic_expr): Handle TDF_CHAIN.
6687 (dump_generic_node): Handle BLOCK.
6688 Do not abort with incomplete SWITCH_EXPRs.
6689 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6690 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6691 print space after directive name.
6692 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6693 Handle OMP_MASTER and OMP_ORDERED.
6694 Handle printing of OMP_BODY just in one place, goto
6695 dump_omp_body in the rest of OMP_* nodes that have
6697 Don't handle clause nodes here. Update omp statements to
6698 use dump_omp_clauses.
6699 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6700 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6701 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6702 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6703 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6704 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6705 Adjust output for GOMP_PARALLEL.
6706 (dump_omp_clauses): New.
6707 (print_declaration): Dump DECL_VALUE_EXPR.
6708 (op_symbol_1): Split out of op_symbol.
6709 (dumping_stmts): Remove. Update all users.
6710 * cgraph.c (cgraph_analyze_queue): New.
6711 (cgraph_add_new_function): New.
6712 * cgraph.h (cgraph_analyze_queue): Declare.
6713 (cgraph_add_new_function): Declare.
6714 (cgraph_lower_function): Remove.
6715 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6716 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6717 and TYPE_P nodes in its default clause.
6718 (empty_body_p): New.
6719 (tree_range_check_failed): New.
6721 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6722 OMP_CLAUSE_REDUCTION_MERGE,
6723 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6724 OMP_CLAUSE_PRIVATE_DEBUG,
6725 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6726 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6727 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6728 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6729 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6730 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6731 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6732 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6733 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6734 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6735 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6736 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6737 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6738 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6739 (TREE_RANGE_CHECK): New.
6740 (empty_body_p): Declare.
6741 (enum omp_clause_default_kind): New.
6742 (build_string_literal): Declare.
6743 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6744 (build5_stat, build5): Declare.
6745 * tree-pass.h (TDF_CHAIN): Define.
6746 * tree-pass.h (PROP_gimple_lomp): Define.
6747 (pass_lower_omp): Declare.
6748 * diagnostic.h (debug_tree_chain): Declare.
6749 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6751 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6752 * builtins.c (build_string_literal): Make extern.
6753 * gcc.c (include_spec_function): New.
6754 (static_spec_functions): Add it.
6755 (main): Move load of libgomp.spec ...
6756 (LINK_COMMAND_SPEC): ... here.
6757 (link_gomp_spec): New.
6758 (static_specs): Include it.
6759 (LINK_COMMAND_SPEC): Add link_gomp.
6760 (GOMP_SELF_SPECS): New.
6761 (driver_self_specs): Include it.
6762 (switch_matches): Don't mark inline.
6763 (main): Load libgomp.spec.
6764 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6765 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6766 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6767 * tree-gimple.h (enum omp_parallel): Declare.
6768 (determine_parallel_type): Declare.
6769 (omp_firstprivatize_variable): Declare.
6770 (omp_reduction_init): Declare.
6771 (diagnose_omp_structured_block_errors): Declare.
6772 (struct walk_stmt_info): Add want_return_expr.
6773 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6774 (find_omp_clause): Declare.
6775 (insert_field_into_struct): Declare.
6776 (struct walk_stmt_info): Move from tree-nested.c
6777 (walk_stmts): Declare.
6778 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6780 * cgraphunit.c (cgraph_lower_function): Make static.
6781 (cgraph_finalize_pending_functions): New.
6782 (cgraph_finalize_function): Call it.
6783 (cgraph_finalize_compilation_unit): Likewise.
6784 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6785 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6786 (BT_FN_UINT_UINT): New.
6787 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6788 DEF_FUNCTION_TYPE_VAR_4): Document.
6789 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6790 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6791 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6792 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6793 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6794 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6795 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6796 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6797 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6798 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6799 into separate files.
6800 (DEF_GOMP_BUILTIN): New.
6801 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
6802 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
6803 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
6804 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
6805 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
6806 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
6807 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
6808 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
6809 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
6810 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
6811 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
6812 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
6813 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
6814 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
6815 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
6816 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
6817 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
6818 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
6819 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
6820 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
6821 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
6822 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
6823 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
6824 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
6825 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
6826 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
6827 * sync-builtins.def: New file, moved from builtins.def.
6828 * omp-builtins.def: New file, moved from builtins.def.
6829 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
6830 * gimple-low.c (lower_function_body): Clear data.
6831 (lower_stmt): Do not handle COMPOUND_EXPR.
6832 Remove call to print_node_brief.
6833 * c-tree.h (c_finish_omp_clauses): New prototype.
6834 (C_DECL_THREADPRIVATE_P): Define.
6835 (lookup_name_no_remap, c_omp_remap_private): Remove
6836 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
6837 (check_for_loop_decls): Update decl.
6838 (lookup_name_no_remap, c_omp_remap_private): Declare.
6839 (build_indirect_ref, build_modify_expr, pushdecl,
6840 pushdecl_top_level): Move to c-common.h.
6841 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
6842 before the switch, but just in the 2 places that need it.
6843 * c-decl.c (diagnose_mismatched_decls): Do not check for
6844 mismatched thread-local attributes when OLDDECL is marked
6845 threadprivate and NEWDECL has no thread-local attributes.
6846 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
6847 (c_gimple_diagnostics_recursively): Rename from
6848 c_warn_unused_result_recursively. Invoke
6849 diagnose_omp_structured_block_errors.
6850 (check_for_loop_decls): Return a singular decl found.
6851 * langhooks.c (lhd_omp_predetermined_sharing): Return
6852 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
6853 (lhd_omp_firstprivatize_type_sizes): New.
6854 (lhd_omp_assignment): New.
6855 (lhd_omp_predetermined_sharing): New.
6856 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
6857 (struct lang_hooks_for_types): Add
6858 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
6859 omp_predetermined_sharing, omp_disregard_value_expr,
6860 omp_private_debug_clause, omp_clause_default_ctor,
6861 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
6862 (c_finish_omp_clauses): New.
6863 (c_finish_bc_stmt): Diagnose break within omp for.
6864 (c_begin_omp_parallel, c_finish_omp_parallel): New.
6865 (build_unary_op): Return error_mark after reporting
6867 (build_modify_expr): Likewise.
6868 * gimplify.c: Include optabs.h and pointer-set.h.
6869 (enum gimplify_omp_var_data): Declare.
6870 (struct gimplify_omp_ctx): Declare.
6871 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
6873 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
6874 (push_gimplify_context, pop_gimplify_context): Allow nesting.
6875 (splay_tree_compare_decl_uid): New.
6876 (new_omp_context): New.
6877 (delete_omp_context): New.
6878 (gimple_add_tmp_var): Call omp_add_variable.
6879 (gimplify_bind_expr): Likewise.
6880 (gimplify_var_or_parm_decl): If omp_notice_variable returned
6881 true, disregard DECL_VALUE_EXPR on the decl if any.
6882 (gimplify_expr_in_ctx): New.
6883 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
6884 omp_add_variable, omp_notice_variable, omp_is_private
6885 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
6886 gimplify_adjust_omp_clauses, gimplify_omp_parallel
6887 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
6888 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
6889 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
6890 gimplify_omp_atomic): New.
6891 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6892 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6893 OMP_CRITICAL and OMP_ATOMIC.
6894 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6895 * c-pragma.h (enum pragma_kind): Add
6896 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6897 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6898 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6899 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6900 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6901 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6902 PRAGMA_OMP_THREADPRIVATE.
6903 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6904 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6905 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6906 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6907 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6908 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6909 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6910 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6911 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6912 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6913 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6914 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6915 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6917 (struct nesting_info): Add field_map,
6918 suppress_expansion, debug_var_chain.
6919 (create_nesting_tree): Initialize them.
6920 (lookup_field_for_decl): Use field_map.
6921 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6922 (convert_local_omp_clauses): New.
6923 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6924 (walk_body): Split out of walk_function.
6925 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6926 (convert_nonlocal_reference): Handle omp statements.
6927 (convert_local_reference): Likewise.
6928 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6929 (unnest_nesting_tree): New.
6930 (lower_nested_functions): Call it.
6931 (insert_field_into_struct): Make extern.
6932 (struct walk_stmt_info): Move to tree-gimple.h.
6933 (walk_stmts): Make extern.
6934 * omp-builtins.def: New file.
6935 * tree-iterator.c (expr_only): Clarify comment.
6936 * c-common.h (pushdecl_top_level, pushdecl,
6937 build_modify_expr, build_indirect_ref,
6938 c_finish_omp_master, c_finish_omp_critical,
6939 c_finish_omp_ordered, c_finish_omp_barrier,
6940 c_finish_omp_atomic, c_finish_omp_flush,
6941 c_finish_omp_for, c_split_parallel_clauses,
6942 omp_clause_default_kind, c_omp_sharing_predetermined,
6943 c_omp_remap_decl): Declare.
6944 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6945 (OBJS-common): Add omp-low.o.
6946 (c-omp.o, omp-low.o): Add.
6947 (gimplify.o): Add dependency on $(OPTABS_H).
6948 (GTFILES): Add omp-low.c.
6949 (gt-stringpool.h): Add.
6950 * tree-cfg.c (set_bb_for_stmt): Do not update the
6951 block-to-labels map if we are currently expanding to RTL.
6952 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
6954 Handle IDENTIFIER_NODE.
6955 (tree_verify_flow_info): Do not ICE when emitting error
6956 messages about invalid labels.
6957 (dump_function_to_file): Reset CFUN before emitting the body
6959 (debug_function): New.
6960 * passes.c (init_optimization_passes): Schedule
6962 * langhooks-def.h (lhd_omp_predetermined_sharing,
6963 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
6965 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
6966 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
6967 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
6968 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
6969 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
6970 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
6971 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
6972 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
6973 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
6974 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
6975 (LANG_HOOK_DECLS): Use them.
6977 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6978 Richard Henderson <rth@redhat.com>
6979 Jakub Jelinek <jakub@redhat.com>
6980 Diego Novillo <dnovillo@redhat.com>
6982 * c-parser.c (pragma_omp_clause): Define.
6983 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6984 (c_parser_compound_statement): Likewise.
6985 (c_parser_statement): Likewise.
6986 (c_parser_pragma): Handle omp pragmas.
6987 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6988 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6989 (c_parser_omp_clause_name, check_no_duplicate_clause,
6990 c_parser_omp_variable_list,
6991 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6992 c_parser_omp_clause_copyprivate,
6993 c_parser_omp_clause_default,
6994 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6995 c_parser_omp_clause_lastprivate,
6996 c_parser_omp_clause_nowait,
6997 c_parser_omp_clause_num_threads,
6998 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6999 c_parser_omp_clause_reduction,
7000 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7001 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7002 c_parser_omp_atomic, c_parser_omp_barrier,
7003 c_parser_omp_critical, c_parser_omp_flush,
7004 c_parser_omp_for_loop, c_parser_omp_for,
7005 c_parser_omp_master, c_parser_omp_ordered,
7006 c_parser_omp_sections_scope, c_parser_omp_sections,
7007 c_parser_omp_parallel, c_parser_omp_single,
7008 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7009 * c-pragma.c (init_pragma): Do omp pragma registration here.
7010 * c.opt (fopenmp): New flag.
7012 2006-01-18 Eric Christopher <echristo@apple.com>
7014 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7015 * config/darwin.h (GOMP_SELF_SPECS): Define.
7017 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7019 * rtl.h: Remove the prototype for reg_alloc.
7021 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7024 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7025 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7026 sjlj and dwarf2 exception handling.
7027 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7028 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7029 * pa/pa.c (function_value): Treat complex and vector types as
7031 (function_arg): Likewise. Only pass scalar floats in the floating
7032 point argument registers.
7033 * pa/t-slibgcc-dwarf-ver: New file.
7034 * pa/t-slibgcc-sjlj-ver: New file.
7035 * pa/t-slibgcc-elf-ver: Delete file.
7037 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7039 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7040 unlikely_test_section_p test.
7042 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7044 * mode-switching.c (optimize_mode_switching): Make it static.
7045 * basic-block.h: Remove the prototype for
7046 optimize_mode_switching.
7048 * modulo-sched.c (sms_schedule): Make it static.
7049 * rtl.h: Remove the prototype for sms_schedule.
7051 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7052 * rtl.h: Remove the prototype for gcse_after_reload_main.
7054 * reg-stack.c (reg_to_stack): Make it static.
7055 * rtl.h: Remove the prototype for reg_to_stack.
7057 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7059 * rtl.h: Remove the prototypes for regrename_optimize and
7060 copyprop_hardreg_forward.
7062 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7064 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7065 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7066 Test against the appropriate null constant for the mode.
7067 If 'fixup_overlap' is true, swap the operands if they overlap.
7068 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7069 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7070 alpha_split_tmode_pair and adjust for above change.
7071 * config/alpha/alpha.md (movtf_internal): Adjust call to
7072 alpha_split_tfmode_pair and rely on it to swap the operands.
7073 (movti_internal): New insn and post-reload splitter.
7074 (movti): New expander.
7076 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7078 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7081 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7083 * rtlanal.c (global_reg_mentioned_p_1,
7084 global_reg_mentioned_p): Remove.
7085 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7087 * flow.c (initialize_uninitialized_subregs): Make it static.
7088 * rtl.h: Remove the prototype for
7089 initialize_uninitialized_subregs.
7091 * function.c (instantiate_virtual_regs): Make it static.
7092 * function.h: Remove the prototype for
7093 instantiate_virtual_regs.
7095 * regmove.c (regmove_optimize, combine_stack_adjustments):
7097 * rtl.h: Remove the prototypes for regmove_optimize and
7098 combine_stack_adjustments.
7100 2006-01-17 Roger Sayle <roger@eyesopen.com>
7102 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7103 (size_cost): Encode costs in bytes so that a reg-reg addition is
7104 equivalent to COSTS_N_INSNS(1).
7105 (override_options): Use the size_cost.branch_cost as the default
7106 ix86_branch_cost when optimizing for size.
7108 2006-01-18 Ben Elliston <bje@au.ibm.com>
7110 * Makefile.in (D32PBIT_FUNCS): New.
7111 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7112 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7113 D64PBIT_FUNCS and D128PBIT_FUNCS.
7114 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7115 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7117 (decnumber_dep): Define.
7118 * doc/libgcc.texi (Decimal float library routines): New node.
7119 * config/dfp-bit.h, config/dfp-bit.c: New files.
7121 2006-01-18 Ben Elliston <bje@au.ibm.com>
7123 * expr.c (emit_move_change_mode): Always adjust addresses, not
7124 just during reload. Copy replacements only during reload.
7125 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7126 emit_move_via_integer.
7128 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7130 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7131 instead of $(srcdir) and ${srcdir}.
7133 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7137 * arm.h (struct machine_function): Add pic_reg.
7138 * arm.c (arm_pic_register): Make unsigned.
7139 (arm_override_options): Only set arm_pic_register if
7140 TARGET_SINGLE_PIC_BASE.
7141 (use_return_insn): Only test for a pic register if it is fixed.
7142 (arm_compute_save_reg0_reg12_mask): Likewise.
7143 (thumb_compute_save_reg_mask): Likewise.
7144 (legitimate_pic_operand): Factor out some known invariants.
7145 (legitimize_pic_address): If we don't have a fixed pic register,
7146 then set up a pseudo in the function entry sequence. Handle the
7147 pic base being in a pseudo.
7148 (arm_load_pic_register): Handle the pic register being in a pseudo.
7149 (arm_expand_prologue): Only set up the pic register if it is fixed.
7150 (thumb_expand_prologue): Likewise.
7151 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7152 (pic_load_addr_based_insn): Likewise.
7153 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7156 2006-01-18 Ben Elliston <bje@au.ibm.com>
7158 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7159 decimal float modes for all floating point registers.
7161 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7162 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7164 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7167 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7168 even when the pointer is not NULL.
7170 2006-01-16 Ian Lance Taylor <ian@airs.com>
7172 * common.opt (ftoplevel-reorder): New option.
7173 * cgraph.c (cgraph_asm_nodes): New global variable.
7174 (cgraph_asm_last_node): New static variable.
7175 (cgraph_order): New global variable.
7176 (cgraph_create_node): Set new order field.
7177 (cgraph_varpool_node): Likewise.
7178 (decide_is_variable_needed): Return true if not
7179 flag_toplevel_reorder.
7180 (cgraph_add_asm_node): New function.
7181 * cgraph.h (struct cgraph_node): Add order field.
7182 (struct cgraph_varpool_node): Add order field.
7183 (struct cgraph_asm_node): Define.
7184 (cgraph_asm_nodes, cgraph_order): Declare.
7185 (cgraph_add_asm_node): Declare.
7186 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7188 (cgraph_varpool_assemble_pending_decls): Call it.
7189 (cgraph_output_pending_asms): New static function.
7190 (cgraph_finalize_compilation_unit): Call it.
7191 (struct cgraph_order_sort): Define.
7192 (cgraph_output_in_order): New static function.
7193 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7194 !flag_toplevel_reorder case.
7195 * c-parser.c: Include "cgraph.h".
7196 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7198 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7199 than -fno-unit-at-a-time.
7200 * doc/invoke.texi (Option Summary): Mention
7201 -fno-toplevel-reorder.
7202 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7203 -funit-at-a-time documentation.
7205 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7206 Kazu Hirata <kazu@codesourcery.com>
7208 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7210 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7212 * Makefile.in (FUNCTION_H): New. Use it instead of
7213 function.h throughout the file.
7214 * function.h: Include tree.h.
7216 2006-01-17 Ben Elliston <bje@au.ibm.com>
7218 * recog.c: Separate some functions with whitespace.
7220 2006-01-16 Richard Henderson <rth@redhat.com>
7222 Merge from gomp branch:
7223 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7224 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7225 and rename from struct inline_data. Rename callee* to dst*;
7226 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7227 transform_new_cfg, transform_return_to_modify, and
7228 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7230 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7231 (copy_decl_for_dup): Remove.
7232 * tree-inline.c (struct inline_data): Move to header.
7233 (insert_decl_map): Export.
7234 (remap_decl): Update for member name changes. Use copy_decl hook.
7235 Allow for replacement to be a non-decl. Remove dead code.
7236 (remap_type_1): Check for existing mapping.
7237 (remap_type): Export.
7238 (remap_decls): Update for member name changes.
7239 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7240 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7241 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7242 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7243 (tree_function_versioning, build_duplicate_type): Likewise.
7244 (copy_body_r): Likewise. Export.
7245 (copy_decl_for_dup): Split into ...
7246 (copy_decl_for_dup_finish, copy_decl_to_var,
7247 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7248 (replace_ref_tree, inlining_p): Remove.
7250 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7252 * ifcvt.c (if_convert): Make it static.
7253 * rtl.h: Remove the prototype for if_convert.
7255 * local-alloc.c (local_alloc): Make it static.
7256 * rtl.h: Remove the prototype for local_alloc.
7258 * loop.c (loop_optimize): Make it static.
7259 * cfgloop.h: Remove the prototype for loop_optimize.
7262 2006-01-16 DJ Delorie <dj@redhat.com>
7264 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7267 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7269 * pa.md: Disparage copies between general and floating-point registers
7270 in 32-bit move patterns.
7272 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7275 * Makefile.in (check-%): Depend on site.exp instead of
7276 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7279 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7281 * global.c (global_alloc): Make it static.
7282 * rtl.h: Remove the prototype for global_alloc.
7284 2006-01-16 Richard Guenther <rguenther@suse.de>
7286 * tree-ssa-alias.c (struct used_part): Add write_only field.
7287 (get_or_create_used_part_for): Initialize it to true.
7288 (create_overlap_variables_for): Don't create structure variables
7289 for structures that only are written to.
7290 (find_used_portions): Handle MODIFY_EXPR to track whether a
7291 structure is only written to.
7293 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7295 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7297 * basic-block.h: Remove the prototype for
7298 partition_hot_cold_basic_blocks.
7300 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7302 * cppspec.c (lang_specific_spec_functions): Remove.
7303 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7304 * gcc.h (lang_specific_spec_functions): Remove.
7305 * gccspec.c (lang_specific_spec_functions): Remove.
7307 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7309 * combine.c (record_value_for_reg): Invalidate registers
7311 (record_dead_and_set_regs_1): Likewise, by passing them to
7312 record_value_for_reg.
7313 (record_dead_and_set_regs): Invalidate stores made by a
7314 call. We do not combine across a call, but we still
7315 relied on equivalences.
7317 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7319 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7320 vrp_int_const_binop returning non-constant nodes.
7322 2006-01-16 Paul Brook <paul@codesourcery.com>
7324 * config/m68k/m68k.c (output_move_const_into_data_reg):
7325 Output correct mnemonic for mvz and mvs.
7327 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7329 * rtl-factoring.c: Add sequence abstraction algorithm.
7330 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7331 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7333 (block_has_preserve_label): New function.
7334 * common.opt: Register new pass.
7335 * Makefile.in: Ditto.
7337 * timevar.def: Ditto.
7338 * tree-pass.h: Ditto.
7339 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7340 * rtl.h (make_jump_insn_raw): Add forward decl.
7341 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7343 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7344 Roger Sayle <roger@eyesopen.com>
7346 * fold-const.c (fold_minmax): New static function.
7347 (fold_binary) <MIN_EXPR>: Call it.
7348 <MAX_EXPR>: Likewise.
7349 * stor-layout.c (place_field): Use DECL_SIZE consistently
7350 in the computation of the new record size.
7352 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7354 * cse.c (cse_condition_code_reg): Make it static.
7355 * rtl.h: Remove the prototype for cse_condition_code_reg.
7357 * combine.c (combine_instructions): Make it static.
7358 * rtl.h: Remove the prototype for combine_instructions.
7360 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7363 * tree.c (get_file_function_name_long): Concatenate the first global
7364 object name with a string derived from the input filename of the object
7367 2006-01-16 Ben Elliston <bje@au.ibm.com>
7369 * config/i386/winnt-stubs.c: Update FSF address.
7370 * config/xtensa/ieee754-df.S: Ditto.
7371 * config/xtensa/ieee754-sf.S: Ditto.
7373 2006-01-14 Ian Lance Taylor <ian@airs.com>
7375 * ifcvt.c (noce_init_if_info): New static function, broken out of
7376 noce_process_if_block.
7377 (noce_process_if_block): Call noce_init_if_info.
7378 (check_cond_move_block): New static function.
7379 (cond_move_process_if_block): New static function.
7380 (process_if_block): Call cond_move_process_if_block.
7382 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7384 * cselib.c (hash_table): Rename to cselib_hash_table.
7385 (cselib_clear_table, discard_useless_values,
7386 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7387 cselib_init, cselib_finish): Adjust uses of hash_table.
7389 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7391 PR tree-optimization/25485
7392 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7393 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7394 is known to be false and true, respectively.
7396 2006-01-14 Richard Guenther <rguenther@suse.de>
7398 PR tree-optimization/22548
7399 PR tree-optimization/22555
7400 PR tree-optimization/22501
7401 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7402 * params.def (salias-max-array-elements): New parameter.
7403 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7404 * doc/invoke.texi (salias-max-array-elements): Document.
7405 * tree-flow-inline.h (var_can_have_subvars): We also handle
7407 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7409 * tree-ssa-structalias.c (params.h): Include.
7410 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7411 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7412 (get_constraint_for): For ADDR_EXPR operating on something
7413 containing an ARRAY_REF, add all subvars to the solution.
7414 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7415 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7416 for creating MUST_DEFs.
7417 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7419 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7421 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7423 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7424 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7425 number_of_iterations_le): New functions.
7426 (number_of_iterations_special): Removed.
7427 (number_of_iterations_exit): Do not use number_of_iterations_special.
7428 * tree.c (unsigned_type_for): Always return integer type.
7430 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7431 Richard Guenther <rguenther@suse.de>
7433 PR rtl-optimization/24257
7434 * gcse.c (find_moveable_store): Only consider a store movable
7435 when the SET_SRC of the insn can be assigned to a register.
7437 2006-01-14 Ian Lance Taylor <ian@airs.com>
7439 * tree.c (tree_not_class_check_failed): New function.
7440 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7441 (tree_not_class_check_failed): Declare.
7443 2006-01-13 Ian Lance Taylor <ian@airs.com>
7445 * reload1.c (do_output_reload): Add assertion rejecting a
7448 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7450 * combine.c (struct reg_stat): Add new fields truncation_label and
7452 (record_value_for_reg): Reset truncated_to_mode.
7453 (record_truncated_value): New function.
7454 (check_promoted_subreg): Call it. Rename to check_conversions.
7455 (combine_instructions): Rename check_promoted_subreg to
7457 (reg_truncated_to_mode): New function.
7458 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7459 (gen_lowpart_or_truncate): New function.
7460 (force_to_mode): Use it instead of gen_lowpart.
7462 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7464 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7465 VAR is a tag, not its type tag.
7467 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7469 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7470 alternatives to match style of other entries.
7471 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7473 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7475 PR tree-optimization/25771
7476 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7479 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7482 * tree-inline.c (declare_return_variable): If the return variable
7483 was marked as a non gimple complex, set the return slot variable
7484 to be a non gimple comple variable.
7486 2006-01-13 Richard Guenther <rguenther@suse.de>
7488 * builtins.c (expand_builtin_sincos): New function.
7489 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7491 (expand_builtin): Expand sincos using expand_builtin_sincos.
7493 2006-01-12 DJ Delorie <dj@redhat.com>
7495 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7496 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7497 so that constant shifts can be split.
7498 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7499 (m32c_valid_pointer_mode): Make static.
7500 (shift_gen_func_for): New.
7501 (m32c_prepare_shift): Use it. Split large const shifts into
7503 * config/m32c/predicates.md (shiftcount_operand): Allow more
7505 (longshiftcount_operand): New.
7506 * doc/md.texi (Machine Constraints): Document In6.
7508 2006-01-13 Ben Elliston <bje@au.ibm.com>
7510 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7511 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7514 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7516 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7517 to try to avoid clobbering pieces of structures when we know
7518 something about the whole structure.
7519 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7521 2006-01-13 Ben Elliston <bje@au.ibm.com>
7523 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7524 return in memory, as this is no limitation is no longer present.
7526 2006-01-12 DJ Delorie <dj@redhat.com>
7528 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7529 mova with fb, and for fb+0 -> An.
7531 * config/m32c/mov.md (peephole2): Fix enabling logic.
7533 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7534 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7535 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7536 FINI_ARRAY_SECTION_ASM_OP): Define.
7538 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7540 (m32c_legitimize_reload_address): New logic to reload FB to An.
7541 (m32c_output_reg_push): Add newline.
7542 (m32c_output_reg_pop): Likewise.
7544 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7546 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7548 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7550 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7552 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7554 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7557 2006-01-11 Ben Elliston <bje@au.ibm.com>
7559 * rtlanal.c (find_reg_note): Assert insn is not null.
7561 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7563 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7566 2006-01-11 Jeff Law <law@redhat.com>
7568 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7570 (mark_threaded_blocks, register_jump_thread): New functions.
7571 (thread_through_all_blocks): Remove unwanted argument. No
7572 longer rely on e->aux to communicate thread target info.
7573 Call mark_threaded_blocks. Release the threaded_blocks
7574 bitmap and threaded_edges vector when complete.
7575 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7576 (threaded_blocks): Remove.
7577 (tree_ssa_dominator_optimize): Remove initialization and
7578 finalization of threaded_blocks. Simplify call to
7579 thread_through_all_blocks.
7580 (thread_across_edge): Call register_jump_thread rather than
7581 storing thread information into e->aux.
7582 (free_all_edge_infos): Simplify now that e->aux is no longer
7583 used to communicate with thread_through_all_blocks.
7584 * tree-flow.h (thread_through_all_blocks): Update prototype.
7585 (register_jump_thread): Prototype.
7587 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7589 * df-core.c (df_compact_blocks, df_bb_replace): Use
7590 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7592 2006-01-11 Richard Guenther <rguenther@suse.de>
7594 PR tree-optimization/25734
7595 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7596 stop propagation after successful propagation to the LHS.
7598 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7600 * basic-block.h (control_flow_graph): Change the type of
7601 x_basic_block_info to VEC(basic_block,gc) *.
7602 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7604 (SET_BASIC_BLOCK): New.
7605 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7606 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7607 * cfgbuild.c (find_basic_blocks): Likewise.
7608 * cfglayout.c (fixup_reorder_chain): Likewise.
7609 * cfgrtl.c (create_basic_block_structure,
7610 rtl_create_basic_block): Likewise.
7611 * ifcvt.c (find_if_case_1): Likewise.
7612 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7615 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7617 * Makefile.in: Removed rotted odf.c entry.
7619 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7622 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7623 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7624 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7625 output pattern modifier, not %e.
7626 * config/cris/cris.c (cris_op_str): Update comment about pattern
7628 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7629 before falling through into...
7630 <case 'E'>: Redefined from old 'e' case.
7632 2006-01-11 Jan Hubicka <jh@suse.cz>
7635 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7637 2006-01-11 Jan Hubicka <jh@suse.cz>
7639 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7640 * i386.c (x86_decompose_lea): Kill.
7641 (ix86_rtx_costs): Kill.
7643 2006-01-11 Jan Hubicka <jh@suse.cz>
7645 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7646 * cgraph.h (cgraph_node): Add inline_decl.
7647 (cgraph_insert_node_to_hashtable): Declare.
7648 (save_inline_function_body): Declare.
7649 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7651 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7652 (cgraph_function_versioning): Update call of tree_function_versioning.
7653 (save_inline_function_body): New function.
7654 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7655 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7656 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7657 (cgraph_default_inline_p): Likewise.
7658 (cgraph_decide_inlining_incrementally): Likewise.
7659 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7660 (copy_bb): Kill saving; do updating of clones.
7661 (copy_cfg_body): Kill saving.
7662 (initialize_inlined-parameters): Likewise.
7663 (expand_call_inline): Likewise.
7665 (tree_function_versioning): New parameter "update_clones".
7666 (inlining_p): Kill saving.
7667 * tree-inline.h (tree_function_versioning): Update prototype.
7668 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7671 2006-01-11 Ian Lance Taylor <ian@airs.com>
7673 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7674 Allow undoing set of machine mode.
7675 (do_SUBST): Use enums instead of is_int.
7676 (do_SUBST_MODE): New function.
7677 (SUBST_MODE): New macro.
7678 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7679 reg and trying to replace reg_regno_rtx with a new register.
7680 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7681 (simplify_set): Use SUBST_MODE.
7682 (distribute_notes): Remove code that tried to update reg notes
7683 for regno_reg_rtx changes.
7685 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7687 PR tree-optimization/23109
7688 PR tree-optimization/23948
7689 PR tree-optimization/24123
7691 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7692 * tree-cfg.c (single_noncomplex_succ): New.
7693 * tree-flow.h (single_noncomplex_succ): Declare it.
7694 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7695 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7696 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7697 insert_bb, register_division_in, insert_reciprocals,
7698 replace_reciprocal, free_bb): New.
7699 (execute_cse_reciprocals_1): Rewritten.
7700 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7701 Do not commit any edge insertion. Always compute dominators and
7702 create the allocation pool.
7703 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7704 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7705 * targhooks.c (default_min_divistions_for_recip_mul): New.
7706 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7707 * passes.c (init_optimization_passes): Run recip after tree loop
7709 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7711 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7712 Kenneth Zadeck <zadeck@naturalbridge.com>
7714 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7715 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7716 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7717 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7718 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7719 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7720 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7721 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7722 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7723 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7724 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7725 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7726 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7727 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7728 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7729 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7730 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7731 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7732 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7733 DF_SCAN_POST_ALLOC): New macros.
7734 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7735 df_free_bb_function, df_local_compute_function, df_init_function,
7736 df_dataflow_function, df_confluence_function_0,
7737 df_confluence_function_n, df_transfer_function,
7738 df_finalizer_function, df_free_function, df_dump_problem_function,
7739 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7740 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7741 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7742 df_urec_bb_info, ) New types.
7743 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7745 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7746 df_analyze_simple_change_some_blocks,
7747 df_analyze_simple_change_one_block, df_compact_blocks,
7748 df_bb_replace, df_bb_regno_last_use_find,
7749 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7750 df_insn_regno_def_p, df_find_def, df_find_use,
7751 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7752 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7753 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7754 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7755 debug_df_chain, df_get_dependent_problem, df_chain_create,
7756 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7757 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7758 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7759 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7760 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7761 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7762 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7763 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7764 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7765 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7766 df_reorganize_refs, df_set_state, df_hard_reg_init,
7767 df_read_modify_subreg_p) New public functions.
7768 * df-core.c: The core dataflow solver and glue routines for rtl
7770 (df_init, df_add_problem, df_set_blocks, df_finish,
7771 df_hybrid_search_forward, df_hybrid_search_backward,
7772 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7773 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7774 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7775 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7776 df_reg_defined, df_find_use, df_reg_used, df_dump,
7777 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7778 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7779 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7780 debug_df_useno, reset_df_after_reload): New functions.
7781 * df-scan.c: The scanning fuctions, once in df.c, completely
7782 rewritten so that they now fully model the functionality of
7783 register usage at the backend.
7784 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7785 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7786 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7787 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7788 df_get_artificial_defs, df_get_artificial_uses,
7789 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7790 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7791 df_refs_delete, df_reorganize_refs, df_set_state,
7792 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7793 df_def_record_1, df_defs_record, df_uses_record,
7794 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7795 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7796 df_record_exit_block_uses, df_hard_reg_init): New functions.
7798 * df-problems.c: Seven concrete dataflow problems that use the
7799 scanning in df-scan.c and are solved by the engine in df-core.c.
7800 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
7801 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
7802 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
7803 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
7804 df_ru_free_bb_info, df_ru_alloc,
7805 df_ru_bb_local_compute_process_def,
7806 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7807 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7808 df_ru_transfer_function, df_ru_free, df_ru_dump,
7809 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
7810 df_rd_free_bb_info, df_rd_alloc,
7811 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
7812 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
7813 df_rd_transfer_function, df_rd_free, df_rd_dump,
7814 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
7815 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
7816 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
7817 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
7818 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
7819 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
7820 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
7821 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
7822 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
7823 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
7824 df_urec_mark_reg_change, df_urec_check_earlyclobber,
7825 df_urec_mark_reg_use_for_earlyclobber,
7826 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
7827 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
7828 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
7829 df_urec_dump, df_urec_add_problem, df_chain_alloc,
7830 df_chain_create_bb_process_use, df_chain_create_bb,
7831 df_chain_finalize, df_chain_free, df_chains_dump,
7832 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
7833 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
7834 df_reg_lifetime): New functions.
7835 * df.c: Deleted file.
7836 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
7837 consistent with new df api.
7838 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
7839 rest_of_handle_sms): Ditto.
7840 * web.c (unionfind_union, union_defs, entry_register, web_main):
7842 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
7843 invariant_expr_equal_p, find_defs, check_dependencies,
7844 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
7845 free_inv_motion_data, move_loop_invariants): Ditto.
7846 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
7847 Update dependencies.
7848 (odf.c): Added defective entry that was deleted later in day.
7849 * sched-deps.c (sched_analyze_1): Ditto.
7851 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7853 * tree-ssa-operands.c (get_expr_operands): Record addressable
7854 variables directly. Do not call add_stmt_operands for CONST_DECLs
7856 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
7857 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
7859 2006-01-11 Ben Elliston <bje@au.ibm.com>
7861 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
7862 function returns true in the positive case.
7864 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7867 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
7868 for SI, DI, SF and DF modes. Add alternatives to copy between
7869 general and floating point registers to the 32-bit patterns.
7870 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
7871 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
7872 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
7873 generating 64-bit code.
7874 * config/pa/pa.c (output_move_double): Handle copies between general
7875 and floating registers.
7877 2006-01-10 Stuart Hastings <stuart@apple.com>
7879 * config/i386/i386.md (set_got): Update.
7880 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
7881 (builtin_setjmp_receiver): Mach-O support.
7882 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
7883 (GOT_SYMBOL_NAME): Define.
7884 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7885 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
7886 * config/i386/i386.c (override_options): Revise for Darwin.
7887 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
7888 support. (darwin_x86_file_end): New. (output_set_got): Add label
7889 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
7890 * config/i386/i386-protos.h (output_set_got): Likewise.
7891 * config/darwin.c (machopic_legitimize_pic_address): Update
7894 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7896 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7897 when MODE isn't BLKmode.
7899 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7901 PR rtl-optimization/25367
7902 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7904 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7907 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7908 for a negative bound.
7910 2006-01-10 Richard Guenther <rguenther@suse.de>
7912 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7913 Never override with anything constraint.
7915 2006-01-10 Jan Beulich <jbeulich@novell.com>
7917 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7918 256 bits when optimize_size.
7920 2006-01-10 Jan Beulich <jbeulich@novell.com>
7922 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7924 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7925 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7928 2006-01-10 Ben Elliston <bje@au.ibm.com>
7930 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7932 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7933 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7934 (USE_FP_FOR_ARG): Reject decimal float modes.
7935 (function_arg_advance): Likewise.
7936 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7937 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7938 point types in AltiVec vectors.
7939 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7940 (rs6000_libcall_value): Likewise.
7942 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7944 * config/xtensa/ieee754-df.S: New file.
7945 * config/xtensa/ieee754-sf.S: New file.
7946 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7947 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7948 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7950 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
7952 * config/sh/predicates.md (binary_float_operator,
7953 binary_logical_operator, commutative_float_operator,
7954 equality_comparison_operator, greater_comparison_operator,
7955 less_comparison_operator, logical_operator,
7956 noncommutative_float_operator, shift_operator,
7957 symbol_ref_operand, unary_float_operator): Remove redundant
7960 2006-01-09 Jeff Law <law@redhat.com>
7962 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
7963 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
7964 now unused arguments. Callers updated.
7965 (eliminate_redundant_computations): Remove now unused arguments,
7967 (local_fold): Remove, no longer used.
7968 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
7970 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
7971 (simplify_cond): New function.
7972 (forward_propagate_into_cond): Call simplify_cond.
7974 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
7976 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
7977 (*vec_extractv2di_1_sse): New.
7979 2006-01-09 Ben Elliston <bje@au.ibm.com>
7981 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7983 2006-01-08 Richard Guenther <rguenther@suse.de>
7985 * tree-ssa-structalias.c (get_constraint_for): Remove
7987 (get_constraint_for_component_ref): Likewise.
7988 (do_deref): Likewise.
7989 (get_constraint_for): Likewise.
7990 (do_structure_copy): Likewise.
7991 (handle_ptr_arith): Likewise.
7992 (find_func_aliases): Likewise. Remove unused need_anyoffset
7995 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7996 Kaz Kojima <kkojima@gcc.gnu.org>
7998 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7999 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8000 (EXTRA_CONSTRAINT_C16): Remove.
8001 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8002 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8003 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8004 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8005 constants of SHmedia. Handle nested constant expressions of
8007 (andcosts): Fix the costs for SHmedia constants.
8008 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8009 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8010 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8011 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8012 (movv4hi_i, movv2si_i): Likewise.
8013 (movsi_const): Adjust the second operand of ior so to match with
8015 (movdi_const, movdi_const_32bit): Likewise.
8016 (movdi_const_16bit+1): Don't sign-extend LOW.
8017 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8019 (*double_shori): Fix the split condition. Use GEN_INT instead
8020 of get_int_mode calls. Mask lower 16-bit of the argument of
8022 (sym2GOTPLT): Remove.
8023 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8025 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8026 instead of EXTRA_CONSTRAINT_C16.
8028 2006-01-07 Ian Lance Taylor <ian@airs.com>
8029 David Edelsohn <edelsohn@gnu.org>
8031 PR rtl-optimization/25662
8032 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8033 for constant operands instead of simplify_gen_binary.
8034 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8035 after trying simplify_binary_operation
8037 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8039 * tree.c (iterative_hash_expr): Hash decls based on UID.
8041 2006-01-06 Eric Christopher <echristo@apple.com>
8043 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8044 (TARGET_UNWIND_EMIT): Fix spelling.
8045 * target.h (gcc_target): Add except_table_label.
8046 * except.c (output_function_exception_table): Use.
8047 * varasm.c (default_emit_except_table_label): New.
8048 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8050 (asm_out): Add here.
8051 * output.h (default_emit_except_table_label): Prototype.
8052 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8053 * config/darwin.c (darwin_emit_except_table_label): Define.
8054 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8056 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8058 PR tree-optimization/18527
8059 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8060 number_of_iterations_special, number_of_iterations_exit):
8061 Move base and step of an iv to a single structure. Add
8062 no_overflow flag, and use it in # of iterations analysis.
8063 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8064 folded_casts argument.
8065 (simple_iv): Pass base and step in a structure. Set no_overflow
8067 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8068 Evaluate expensiveness of computing # of iterations instead of
8069 the final expression.
8070 * tree-scalar-evolution.h (affine_iv): New structure.
8071 (simple_iv): Declaration changed.
8072 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8073 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8074 find_givs_in_stmt): Changed due to simple_iv change.
8076 2006-01-06 Jeff Law <law@redhat.com>
8079 * tree-cfg.c (bsi_replace): Rename final argument from
8080 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8081 change (stmt -> orig_stmt).
8082 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8083 (bsi_remove): Add new argument. Remove EH information
8085 (verify_eh_throw_table_statements): New function.
8086 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8088 * tree-optimize.c (execute_free_cfg_annotations): Verify
8089 the EH throw statement table after removing annotations.
8090 * except.h (verify_eh_throw_table_statements): Prototype.
8091 * tree-flow.h (bsi_remove): Update prototype.
8092 * tree-vrp.c (remove_range_assertions): Add new argument to
8094 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8095 * tree-complex.c (expand_complex_div_wide): Likewise.
8096 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8097 * tree-tailcall.c (eliminate_tailcall): Likewise.
8098 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8099 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8100 * tree-nrv.c (tree_nrv): Likewise.
8101 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8102 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8103 (combine_blocks): Likewise.
8104 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8105 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8106 (cleanup_control_flow): Likewise.
8107 (remove_forwarder_block): Likewise.
8108 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8109 * tree-sra.c (sra_replace): Likewise.
8110 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8111 (forward_propagate_single_use_vars): Likewise.
8112 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8113 * tree-inline.c (expand_call_inline): Likewise.
8114 * tree-vect-transform.c (vect_transform_loop): Likewise.
8115 * tree-outof-ssa.c (rewrite_trees): Likewise.
8116 * tree-cfg.c (make_goto_expr_edges): Likewise.
8117 (cleanup_dead_labels): Likewise.
8118 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8119 (bsi_move_before, bsi_move_after): Likewise.
8120 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8121 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8123 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8126 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8128 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8129 on non gimple variables. Also add checks at the top for decls and
8131 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8133 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8134 and IMAGPART_EXPR for creating MUST_DEFs.
8135 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8136 and NAME_MEMORY_TAG separately from the DECLs.
8138 2006-01-06 Richard Guenther <rguenther@suse.de>
8140 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8141 annotation, if necessary.
8142 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8143 redundant calls to update_stmt.
8144 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8147 2006-01-05 Richard Henderson <rth@redhat.com>
8149 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8151 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8153 * c-typeck.c: Update copyright date.
8155 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8157 * c-typeck.c (build_c_cast): Always warn when casting
8158 from a pointer to an integer of different size, even if
8159 the node was constant.
8161 2006-01-05 Richard Guenther <rguenther@suse.de>
8163 PR tree-optimization/22555
8164 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8165 if one structure field is an array.
8166 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8167 operands even if we found a subvar, but ignore VOPs in this
8169 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8171 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8173 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8176 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8178 2006-01-05 Richard Guenther <rguenther@suse.de>
8179 Diego Novillo <dnovillo@redhat.com>
8181 * tree-pass.h (TODO_remove_unused_locals): Define.
8182 * gimple-low.c (expand_var_p, remove_useless_vars,
8183 pass_remove_useless_vars): Remove. Update all users.
8184 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8185 (remove_unused_locals): New function.
8186 * tree-flow.h (remove_unused_locals): Declare.
8187 * passes.c (execute_todo): Call remove_unused_locals if
8188 TODO_remove_unused_locals is set.
8189 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8190 * tree-ssa-dce.c (pass_dce): Likewise.
8191 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8193 2006-01-05 Richard Guenther <rguenther@suse.de>
8195 * tree-flow.h (struct fieldoff): Decompose field to
8196 type, size and decl.
8197 * tree-ssa-alias.c (create_sft): Take type as parameter.
8198 (create_overlap_variables_for): Store type, size and decl
8199 in the fieldoff structure.
8200 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8202 (push_fields_onto_fieldstack): Likewise.
8203 (create_variable_info_for): Likewise. Use offset for the
8204 SFT name if the decl is not available.
8206 2006-01-04 Paul Brook <paul@codesourcery.com>
8208 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8210 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8212 * lambda-code.c (can_put_in_inner_loop): Relax
8214 (can_put_after_inner_loop): New function.
8215 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8216 (perfect_nestify): Change to make copies and modify uses.
8218 2006-01-04 Richard Henderson <rth@redhat.com>
8220 Merge from gomp branch:
8221 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8222 via integer constant.
8223 (pragma_lex): Remove.
8224 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8225 rather than parsing it.
8226 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8227 handle_pragma_extern_prefix): Add %< %> quotes.
8228 (registered_pragmas): New.
8229 (c_register_pragma_1): New.
8230 (c_register_pragma): Use it.
8231 (c_register_pragma_with_expansion): Likewise.
8232 (c_invoke_pragma_handler): New.
8233 (init_pragma): Use cpp_register_deferred_pragma directly for
8235 * c-pragma.h (enum pragma_kind): New.
8236 (pragma_handler): New.
8237 (c_invoke_pragma_handler): Declare.
8238 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8240 * c-common.h (c_common_pch_pragma): Update decl.
8241 * Makefile.in (c-parser.o): Update dependencies.
8242 (GTFILES): Add c-pragma.h.
8243 * c-parser.c (struct c_token): Add pragma_kind.
8244 (struct c_parser): Add in_pragma.
8245 (c_lex_one_token): Always initialize keyword and pragma_kind.
8246 Extract data for CPP_PRAGMA.
8247 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8248 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8249 Don't allow CPP_PRAGMA_EOL if in_pragma.
8250 (c_parser_consume_pragma): New.
8251 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8252 (c_parser_skip_to_end_of_parameter): Likewise.
8253 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8254 (c_parser_skip_to_pragma_eol): New.
8255 (c_parser_external_declaration): Handle CPP_PRAGMA.
8256 (c_parser_compound_statement_nostart): Likewise.
8257 (c_parser_statement_after_labels): Likewise.
8258 (c_parser_pragma): New.
8259 (pragma_lex): Likewise.
8260 (c_parser_pragma_pch_preprocess): New.
8261 (c_parser_new): Merge into ...
8262 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8264 2006-01-04 Jeff Law <law@redhat.com>
8267 * tree-cfg.c (bsi_replace): Remove the original statement
8268 from the EH throw statement table.
8270 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8272 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8273 make the prototype extern "C" and add throw ().
8276 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8277 and pos non-negative and pos + len <= 32.
8278 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8279 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8280 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8283 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8284 as well as sizes not multiple of component size.
8287 * function.c (instantiate_expr): New function.
8288 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8289 walk its DECL_VALUE_EXPR with instantiate_expr.
8291 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8292 DW_OP_deref{,_size} if address isn't going to be added.
8294 2006-01-04 Ben Elliston <bje@au.ibm.com>
8296 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8297 * config/fp-bit.c: Likewise.
8299 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8301 * dominance.c: Add comment about why we use DFS numbering
8304 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8305 Richard Henderson <rth@redhat.com>
8307 Merge from gomp-branch:
8308 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8309 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8311 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8313 PR rtl-optimization/25578
8314 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8315 pass a parameter to simplify_shift_const if changing ASHIFTRT
8318 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8320 * builtins.c (get_builtin_sync_mem): New function.
8321 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8322 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8323 Call get_builtin_sync_mem to generate mem rtx.
8325 2006-01-03 Richard Guenther <rguenther@suse.de>
8328 * stmt.c (add_case_node): Make sure to clear overflow flags
8331 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8333 Merge from gomp-branch.
8334 * config/sparc/sync.md: New file.
8335 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8336 UNSPECV_LDSTUB): New constants.
8337 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8338 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8339 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8342 2006-01-03 Roger Sayle <roger@eyesopen.com>
8344 * combine.c (reg_subword_p): New predicate to test whether the
8345 destination of a set refers to a subword/piece of a register.
8346 (try_combine): Generalize the code to merge the setting of a
8347 pseudo to a constant followed by a set of a subword of that
8348 register to a constant.
8350 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8352 * basic-block.h (control_flow_graph): Change the type of
8353 x_label_to_block_map to VEC(basic_block,gc) *.
8354 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8355 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8357 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8358 VEC(basic_block,heap) *.
8359 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8360 ssa_prop_fini): Adjust the uses of cfg_blocks.
8362 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8364 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8366 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8367 hashing trees instead of a pointer hash.
8368 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8369 compare for MEM_EXPR.
8371 PR rtl-optimization/25130
8372 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8373 when comparing MEMs for GCSE
8375 2006-01-03 Ben Elliston <bje@au.ibm.com>
8377 * targhooks.h (default_decimal_float_supported_p): Declare.
8378 * targhooks.c (default_decimal_float_supported_p): Define.
8379 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8380 `default_decimal_float_supported_p'.
8381 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8383 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8385 * combine.c (apply_distributive_law <SUBREG>): Check
8386 TRULY_NOOP_TRUNCATION.
8388 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8390 * dwarf2out.c (have_switched_text_section): Delete.
8391 (have_multiple_function_sections): New.
8392 (have_location_lists): Make 'bool'.
8393 (add_AT_loc_list): Use 'true' not '1'.
8394 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8395 (output_loc_list): Use have_multiple_function_sections.
8396 (output_ranges): Likewise.
8397 (dwarf2out_begin_function): Set have_multiple_function_sections if
8399 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8400 Check function_section rather than DECL_SECTION_NAME.
8401 (dwarf2out_finish): Use have_multiple_function_sections.
8402 Don't clear have_location_lists.
8404 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8405 Jan Hubicka <jh@suse.cz>
8407 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8408 case of conditional jump jumping to the next instruction.
8409 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8410 cases of conditional jump jumping to the next instruction.
8412 2006-01-02 Jan Hubicka <jh@suse.cz>
8414 * i386.c (*_cost): Add COSTS_N_INSNS.
8415 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8417 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8420 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8422 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8424 * config/arm/arm.c (all_fpus): Fix comment typo.
8425 * config/darwin.c: Likewise.
8426 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8427 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8428 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8430 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8432 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8433 (rs6000_split_compare_and_swapqhi): New.
8434 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8435 (sync_compare_and_swapqhi_internal): New.
8436 * config/rs6000/rs6000-protos.h: Declare.
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