1 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3 * tree-loop-linear.c: Don't include varray.h.
4 (gather_interchange_stats, try_interchange_loops,
5 linear_transform_loops): Use VEC instead of VARRAY.
6 * lambda-mat.c: Don't include varray.h.
8 * lambda-trans.c: Same.
9 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10 VEC instead of VARRAY.
11 * tree-vectorizer.h: Idem.
12 * tree-data-ref.c (dump_data_references,
13 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14 initialize_data_dependence_relation, finalize_ddr_dependent,
15 compute_all_dependences, find_data_references_in_loop,
16 compute_data_dependences_for_loop, analyze_all_data_dependences,
17 free_dependence_relation, free_dependence_relations,
18 free_data_refs): Idem.
19 * tree-data-ref.h (data_reference_p, subscript_p): New.
20 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
21 VEC instead of VARRAY.
22 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
23 (find_data_references_in_loop, compute_data_dependences_for_loop,
24 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
25 dump_data_dependence_relations, free_dependence_relations,
26 free_data_refs): Adjust declaration.
27 (lambda_transform_legal_p): Move declaration here...
28 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
29 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
30 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
31 vect_analyze_data_refs): Use VEC instead of VARRAY.
32 * lambda.h (lambda_transform_legal_p): ...from here.
33 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
34 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
35 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
36 tree-chrec.o): Don't depend on VARRAY_H.
38 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
40 * rtl.def (Copyright): Update date.
41 (DEPS_LIST): Change type of the second operand to 'int'.
42 * target.h (Copyright): Update date.
43 (struct gcc_target.speculate_insn): Change type of the second parameter
45 * lists.c (Copyright): Update date.
46 (alloc_DEPS_LIST): Change signature. Update reference to the second
47 operand of the DEPS_LIST.
48 (copy_DEPS_LIST_list): Update reference to the second operand of the
50 * rtl.h (Copyright): Update date.
51 (alloc_DEPS_LIST): Update signature.
52 * sched-int.h (Copyright): Update date.
53 (ds_t): Change typedef to 'int'.
54 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
56 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
58 * haifa-sched.c (Copyright): Update date.
59 (try_ready): Change condition to restore non-speculative pattern
61 (process_insn_depend_be_in_spec): Code to keep probability of the
62 speculative dependence non-decreasing.
64 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
66 * regrename.c (replace_oldest_value_addr): Initialize a variable to
69 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
71 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
72 to use lib prefix for target.
73 ($(T)libic_invalidate_array_4-200.a): Likewise.
74 ($(T)libic_invalidate_array_4a.a): Likewise.
76 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
77 J"orn Rennecke <joern.rennecke@st.com>
79 * superh.opt: New file.
80 * sh.c (boardtype, osruntime): Remove.
81 * superh.h (SUBTARGET_OPTIONS): Remove.
82 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
84 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
85 arguments with ^ and/or [].
87 * config.gcc (sh-*-*): Add quoting to account for quirk of
89 Replace == with = in enable_incomplete_targets test.
91 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
92 with MASK_LITTLE_ENDIAN.
94 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
95 * config/sh/sh.opt: Added to some comments.
96 * config/sh/superh.h: Removed some chaff.
98 * config/sh/sh.opt: Add m4-[1234]00* options.
99 * config/sh/sh.c (sh_handle_option): Likewise.
100 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
101 (ic_invalidate_array_4-100.o): New rule.
102 ($(T)libic_invalidate_array_4-100.a): Likewise.
103 (ic_invalidate_array_4-200.o): Likewise.
104 ($(T)libic_invalidate_array_4-200.a): Likewise.
105 (ic_invalidate_array_4a.o): Likewise.
106 ($(T)libic_invalidate_array_4a.a): Likewise.
107 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
108 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
110 * config/sh/crt1.asm: Merged in profiling code.
111 * config/sh/superh.h (STARTFILE_SPEC): Override.
112 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
113 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
114 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
116 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
117 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
118 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
120 * sh.opt (mpretend-cmove): New option.
121 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
122 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
123 (movsicc): Add TARGET_PRETEND_CMOVE code.
125 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
127 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
128 s390_class_max_nregs): New function prototypes.
129 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
130 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
131 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
132 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
134 2006-03-26 Geoffrey Keating <geoffk@apple.com>
136 * dwarf2out.c (add_location_or_const_value_attribute): Call
137 tree_add_const_value_attribute if nothing else works.
138 (reference_to_unused): New.
139 (rtl_for_decl_init): Use reference_to_unused to decide whether
140 to output an initializer.
142 2006-03-27 Alan Modra <amodra@bigpond.net.au>
145 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
146 peephole removing spe frob_di_df_2.
148 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
150 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
151 (subscript_dependence_tester_1): Declared.
152 (print_dir_vectors, print_dist_vectors): New.
153 (debug_data_dependence_relation): New.
154 (dump_data_dependence_relation): Print more details.
155 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
156 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
157 (save_dist_v, save_dir_v, add_outer_distances,
158 build_classic_dist_vector_1): New.
159 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
160 Don't test for lambda_vector_lexico_pos.
161 (same_access_functions, add_multivariate_self_dist,
162 add_other_self_distances, dir_from_dist): New.
163 (build_classic_dir_vector): Replace implementation almost identical to
164 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
166 (subscript_dependence_tester_1): New.
167 (subscript_dependence_tester): Handle the lexicographically negative
168 distance vectors by recomputing the dependence relation.
169 (compute_affine_dependence): Remove parameter loop_nest_depth.
170 (compute_self_dependence): Don't call compute_subscript_distance.
171 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
172 Add a parameter for the loop_nest.
173 (find_loop_nest_1, find_loop_nest): New.
174 (compute_data_dependences_for_loop): Compute the loop nest, and give
175 up if the nest is not well formed.
176 * tree-data-ref.h (loop_p): New.
177 (struct data_dependence_relation): Replace size_vect field with
178 loop_nest, a vec of loops.
179 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
180 (DDR_LOOP_NEST): New.
181 (print_dir_vectors, print_dist_vectors,
182 debug_data_dependence_relation): Declared.
183 (index_in_loop_nest): New.
184 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
185 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
188 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
190 * simplify-rtx.c (simplify_relational_operation): Call
191 simplify_relational_operation_1 even if mode is VOIDmode.
193 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
195 PR tree-optimization/26804
196 * tree.h (DECL_CALL_CLOBBERED): New macro.
197 (tree_decl_common): Add call_clobbered_flag.
198 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
199 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
200 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
201 (mark_non_addressable): Ditto.
202 * tree-ssa.c (verify_call_clobbered): New function.
203 (verify_alias_info): Use it.
204 * tree-pass.h (pass_reset_cc_flags): New prototype.
205 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
206 (reset_cc_flags): New function.
207 * passes.c (init_optimization_passes): Call reset_cc_flags after
208 initializing referenced_vars.
210 2006-03-25 Uros Bizjak <uros@kss-loka.si>
211 Roger Sayle <roger@eyesopen.com>
214 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
215 to 1.0 for non-real operands. Implement A / A optimization for
218 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
220 * config/i386/i386.c (size_cost): Correct the comment for
221 cost of storing fp registers.
222 (i386_cost): Likewise.
223 (i486_cost): Likewise.
224 (pentium_cost): Likewise.
225 (pentiumpro_cost): Likewise.
227 (athlon_cost): Likewise.
229 (pentium4_cost): Likewise.
230 (nocona_cost): Likewise.
231 (generic64_cost): Likewise.
232 (generic32_cost): Likewise.
234 2006-03-24 Jeff Law <law@redhat.com>
236 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
237 directly. Call mark_new_vars_to_rename slightly earlier.
239 2006-03-24 Geoffrey Keating <geoffk@apple.com>
241 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
243 (gen_compile_unit_die): Use new language types for Objective-C and
245 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
249 * config/t-darwin (crt3.o): Work around bug 26840.
250 * config/darwin-crt3.c: Rewrite.
251 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
253 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
255 * doc/invoke.texi: Document -femit-class-debug-always
256 * common.opt: Add -femit-class-debug-always.
258 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
260 * config/s390/s390.c (s390_decompose_address): Allow SImode for
261 index and base register.
262 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
263 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
264 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
265 REGNO_OK_FOR_INDEX_P.
266 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
268 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
269 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
270 REG_OK_FOR_BASE_P): Definitions removed.
272 2006-03-24 Jakub Jelinek <jakub@redhat.com>
275 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
276 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
277 set yet or weren't marked as local yet.
279 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
281 * regrename.c (scan_rtx_address): Initialize a variable to shut up
284 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
286 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
287 (rs6000_legitimate_small_data_p): Delete.
288 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
289 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
290 and make static. Add forward declaration. Update uses.
291 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
292 of offsettable_memref_p.
293 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
294 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
296 2006-03-24 Jeff Law <law@redhat.com>
298 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
299 around bug in immediate-use iterator.
301 2006-03-24 Alan Modra <amodra@bigpond.net.au>
304 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
305 or __LITTLE_ENDIAN__.
307 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
309 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
310 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
311 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
312 * config/sh/sh.opt (mdiv=): Amend description.
313 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
314 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
315 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
316 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
317 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
318 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
319 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
320 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
321 TARGET_DIVIDE_CALL_FP.
323 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
325 * haifa-sched.c (choose_ready): Fix type of the local variable.
326 Move local variables. Add comment.
327 (check_reg_live): Change signature. Make callable from debugger.
328 * sched-int.h (check_reg_live): Update signature.
329 * sched-ebb.c (check_reg_live): Update parameters.
330 * sched-rgn.c (check_reg_live): Ditto.
331 (region_head_or_leaf_p): Check pointer before dereferencing.
332 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
333 before reload on optimization levels below 1.
335 2006-03-23 Richard Henderson <rth@redhat.com>
337 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
341 * config/alpha/predicates.md (local_symbolic_operand): Reject
344 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
347 * tree-ssa-pre.c (create_value_expr_from): Don't reject
348 expressions which have overflowed constants.
350 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
352 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
354 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
356 * cfgloopmanip.c (create_loop_notes): Removed.
357 * final.c (final_scan_insn): Do not handle loop notes.
358 * jump.c (squeeze_notes): Ditto.
359 * cfglayout.c (skip_insns_after_block,
360 duplicate_insn_chain): Ditto.
361 * cfgcleanup.c (rest_of_handle_jump2): Do not call
363 * cfgloop.h (create_loop_notes): Declaration removed.
365 2006-03-23 Richard Sandiford <richard@codesourcery.com>
367 * varasm.c (output_constant_pool): Restore fnname and fndecl
369 (assemble_start_function): Adjust call accordingly.
370 (assemble_end_function): Likewise.
372 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
375 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
378 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
380 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
383 * system.h (ICE_EXIT_CODE): New macro.
384 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
385 (diagnostic_action_after_output): Likewise.
386 * gcc.c (fatal_ice): New function.
387 (execute): Use it instead of fatal.
388 (fancy_abort): Likewise.
389 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
391 2006-03-22 Jeff Law <law@redhat.com>
393 * loop-unroll.c (analyze_iv_to_split_insn): Handle
394 iv_analyze_result returning false.
396 2006-03-22 Jie Zhang <jie.zhang@analog.com>
398 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
400 2006-03-22 Richard Henderson <rth@redhat.com>
403 * except.c (duplicate_eh_regions_0): New.
404 (duplicate_eh_region_1): Duplicate the children of the node as
405 well as the node itself. Link them up properly.
406 (duplicate_eh_region_2): Merge into ...
407 (duplicate_eh_regions): ... here. Take copy_region argument, and
408 copy only a sub-tree if asked. Simplify copying and fixup.
409 (eh_region_outer_p): New.
410 * except.h (duplicate_eh_regions): Update decl.
411 (eh_region_outer_p): Declare.
412 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
413 (lower_omp_master): Likewise.
414 (lower_omp_ordered): Likewise.
415 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
416 (move_stmt_r): Use it to remap labels. Handle recursion vs
417 remap_decls_p properly.
418 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
419 (find_outermost_region_in_block): New.
420 (new_label_mapper): New.
421 (move_sese_region_to_fn): Copy eh information to the new function
423 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
425 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
428 2006-03-22 Richard Sandiford <richard@codesourcery.com>
430 * doc/md.texi (-mshared): Mention that -mshared code can be linked
431 into shared libraries.
433 2006-03-22 Richard Sandiford <richard@codesourcery.com>
435 * doc/md.texi: Refer to i386/constraints.md instead of
437 * config/i386/constraints.md: New file, extracted from...
438 * config/i386/predicates.md: ...here.
439 * config/i386/i386.md: Include constraints.md.
441 2006-03-21 Jason Merrill <jason@redhat.com>
443 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
446 * expr.c (init_block_move_fn): Force default visibility.
447 (init_block_clear_fn): Likewise.
448 * builtins.c (expand_builtin_fork_or_exec): Likewise.
449 * targhooks.c (default_external_stack_protect_fail): Likewise.
451 2006-03-21 Richard Sandiford <richard@codesourcery.com>
453 * config/mips/predicates.md (const_call_insn_operand): Allow direct
454 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
455 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
456 Use TARGET_OLDABI instead of !TARGET_NEWABI.
457 (loadgp): Use mips_current_loadgp_style.
458 (loadgp_noshared): New pattern.
459 (sibcall_internal): Use MIPS_CALL.
460 (sibcall_value_internal): Likewise.
461 (sibcall_value_multiple_internal): Likewise.
462 (call_internal): Likewise.
463 (call_value_internal): Likewise.
464 (call_value_multiple_internal): Likewise.
465 (call_split): Use MIPS_CALL and add an 'S' constraint.
466 (call_value_split): Likewise.
467 (call_value_multiple_split): Likewise.
468 * config/mips/mips.opt (-mabicalls): Tweak docstring.
469 (-mshared): New option.
470 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
471 (mips_current_loadgp_style): Declare.
472 * config/mips/mips.c (mips_classify_symbol): Avoid using
473 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
474 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
475 TARGET_ABSOLUTE_ABICALLS.
476 (override_options): Adjust comments. Improve the warning that is
477 issued when -mabicalls and -G are used together.
478 (mips_file_start): Remove comment.
479 (mips_current_loadgp_style): New function.
480 (mips_gnu_local_gp): New variable.
481 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
483 (mips_output_function_prologue): Use mips_current_laodgp_style.
484 (mips_expand_prologue): Call mips_emit_loadgp before emitting
485 the cprestore instruction.
486 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
487 live for TARGET_ABSOLUTE_ABICALLS.
488 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
489 (ASM_SPEC): Pass down -mshared and -mno-shared.
490 (MIPS_CALL): New macro.
491 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
493 * doc/invoke.texi (-mabicalls): Update documentation.
494 (-mshared): Document.
496 2006-03-21 Steve Ellcey <sje@cup.hp.com>
498 * config/ia64/unwind-hpux.c: New file.
499 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
501 2006-03-21 Steve Ellcey <sje@cup.hp.com>
504 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
506 2006-03-21 Jeff Law <law@redhat.com>
508 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
509 type conversions of a VR_VARYING source to a wider type.
511 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
513 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
514 tm_file on Solaris 10 and later.
515 (sparc64-*-solaris2*): Likewise.
516 (sparc-*-solaris2*): Likewise.
517 * config/sol26.h: Rename to config/sol2-6.h.
518 * config/sol2-10.h: New file.
520 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
523 * tree-ssa-pre.c (create_component_ref_by_pieces):
526 2006-03-21 Jakub Jelinek <jakub@redhat.com>
529 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
530 return it immediately.
532 2006-03-21 Michael Matz <matz@suse.de>
534 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
536 (remove_arc, add_arc): Update num_out_arcs member.
537 (set_out_arc_insns_equiv_num): Returns nothing instead of number
539 (cache_presence): New function.
540 (compare_states_for_equiv): New function.
541 (state_is_differed): Don't take number of outargs, adjust callers.
542 Use new invariant for speeding up.
543 (init_equiv_class): Create initial classes based on sorted
545 (partition_equiv_class): Don't track out_arcs_num.
546 (evaluate_equiv_classes): Call cache_presence on all states and
549 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
551 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
552 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
553 (bfin_valid_reg_p): Test for pseudos explicitly and use only
554 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
556 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
557 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
558 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
559 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
560 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
562 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
563 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
564 (REGNO_REG_CLASS): ARGP is in PREGS.
565 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
567 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
568 to deal with those addresses.
569 * addresses.h: New file.
570 * caller-save.c: Include "addresses.h".
571 (init_caller_save): Use new base_reg_class function.
572 * rtl-factoring.c: Include "addresses.h".
573 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
574 * recog.c: Include "addresses.h".
575 (preprocess_constraints): Use new base_reg_class function.
576 * regrename.c: Include "addresses.h".
577 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
578 functions. Keep track of a new var INDEX_CODE to compute valid
580 (replace_oldest_value_addr): Likewise.
581 (replace_oldest_value_mem): Use base_reg_class.
582 * reload.c: Include "addresses.h".
583 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
584 (find_reloads): Use new base_reg_class function.
585 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
586 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
587 all callers and prototype changed.
588 * reload1.c: Include "addresses.h".
589 (maybe_fix_stack_asms): Use base_reg_class.
590 * regclass.c: Include "addresses.h".
591 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
592 (init_reg_autoinc): Use new base_reg_class function.
593 (record_reg_classes): Likewise.
594 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
595 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
596 Use new args to compute necessary class.
598 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
599 regrename.o, rtl-factoring.o): Update dependencies.
600 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
601 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
602 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
603 REG_OK_FOR_INDEX_P): Delete documentation.
605 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
607 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
608 from V7 to V9 for Solaris 7 and above.
610 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
612 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
613 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
614 argument pointers may not alias any other storage.
615 * common.opt: Define option -fargument-noalias-anything.
616 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
617 alias semantics is specified by flag_argument_noalias > 2.
619 2006-03-20 Jeff Law <law@redhat.com>
621 * tree-pass.h (pass_phi_only_copy_prop): Delete.
622 (pass_phi_only_cprop): Declare.
623 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
625 * tree-ssa-dom.c (degenerate_phi_result): New function.
626 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
627 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
628 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
629 (eliminate_degenerate_phis): Likewise.
630 (pass_phi_only_cprop): New pass descriptor.
631 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
632 support code. Callers updated.
633 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
634 (store_copy_prop): Likewise.
635 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
637 2006-03-20 Jason Merrill <jason@redhat.com>
640 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
641 (push_visibility, pop_visibility): Likewise.
642 * c-pragma.h: Declare them.
644 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
646 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
648 * config/sh/sh.c (find_regmode_weight): Change the type of the first
649 parameter and use get_ebb_head_tail.
650 (sh_md_init_global): Adjust uses of find_regmode_weight.
652 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
654 * function.h (struct function) <x_tail_recursion_reentry>:
655 Rename to x_stack_check_probe_note.
656 (tail_recursion_reentry): Rename to stack_check_probe_note.
657 * function.c: Replace tail_recursion_reentry with
658 stack_check_probe_note everywhere.
659 (expand_function_start): Only emit a note for
660 stack_check_probe_note with -fstack-protect.
661 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
663 * emit-rtl.c (remove_unnecessary_notes): Remove.
664 (pass_remove_unnecessary_notes): Remove.
665 * rtl.h (remove_unnecessary_notes): Remove prototype.
666 * final.c (final_start_function): Don't call remove_unnecessary_notes.
667 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
668 * passes.c (pass_remove_unnecessary_notes): Don't run it.
670 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
673 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
674 (valid_in_set): Handle ARRAY_REF.
675 Change "if min_variant or VH" to asserts.
676 (create_component_ref_by_pieces): Handle ARRAY_REF.
677 (create_expression_by_pieces): Likewise.
678 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
680 2006-03-20 David Edelsohn <edelsohn@gnu.org>
682 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
683 is operand of switch, not str[0].
685 2006-03-20 Alan Modra <amodra@bigpond.net.au>
687 * config/rs6000/rs6000.c (rs6000_handle_option): Use
688 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
690 2006-03-19 David Edelsohn <edelsohn@gnu.org>
692 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
693 end of insn_extra_address_constraint declaration.
695 2006-03-19 David Edelsohn <edelsohn@gnu.org>
697 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
698 (no-sum-in-toc): Same.
699 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
701 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
702 NO_FP_IN_TOC for -fPIC instead of mask.
704 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
705 (BOOT_LDFLAGS): Delete.
707 * config/rs6000/t-aix52: Same.
709 * config/rs6000/rs6000.md (store_multiple_power): Delete.
710 (stmsi[345678]_power): New.
712 2006-03-17 Steve Ellcey <sje@cup.hp.com>
714 * config/ia64/ia64.opt: Add empty line to end of file.
716 2006-03-17 Richard Guenther <rguenther@suse.de>
719 * builtins.c (get_pointer_alignment): For component style references
720 adjust alignment to the component type alignment. Make sure
721 to adjust alignment for component access of constants.
723 2006-03-17 David Edelsohn <edelsohn@gnu.org>
725 * config/rs6000/rs6000.md (strlensi): Emit barrier after
728 2006-03-17 Paul Brook <paul@codesourcery.com>
730 * doc/install.texi: Docuemnt --with-mode.
731 * config.gcc: Add --with-mode for arm*-*-*.
732 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
734 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
736 * sh.c (max_labelno_before_reorg): New variable.
737 (sh_reorg): Initialize it.
738 (find_barrier): Check max_labelno_before_reorg before using
739 label_to_alignment. Take length of explicit alignment insns
740 into account. When seeing a UNSPECV_CONST_END, return it.
742 * sh.c (fixup_mova): Set mode of affected label to QImode.
743 (untangle_mova): New function.
744 (find_barrier): Use it. Check mode of label before decrementing
746 (sh_reorg): Likewise.
747 Set mode of all insns back to VOIDmode.
749 * sh.c (MOVA_LABELREF): New macro.
750 (mova_p, fixup_mova, sh_reorg): Use it.
751 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
752 ADDR_DIFF_VEC matches mova.
754 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
756 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
757 with ATTRIBUTE_UNUSED.
759 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
761 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
762 pointer, instead of assuming it is possible to derive the
763 correct args size from a call insn.
765 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
767 * rtl.h (CONST_INT_P): Define.
768 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
769 instead of GET_CODE(x) == CONST_INT.
770 (vax_rtx_costs): Likewise.
771 (vax_output_int_move): Likewise.
772 (vax_output_int_add): Likewise.
773 (legitimate_constant_address_p): Likewise.
774 (index_term_p): Likewise.
775 * config/vax/vax.h (PRINT_OPERAND): Likewise.
776 * config/vax/vax.md (and<mode>3): Likewise.
779 (movstricthi): Likewise.
780 (movstrictqi): Likewise.
782 (five unnamed insns): Likewise.
784 2006-03-16 Geoffrey Keating <geoffk@apple.com>
786 * doc/tm.texi (SDB and DWARF): Add extra parameter to
787 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
788 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
789 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
790 Pass to ASM_OUTPUT_DWARF_OFFSET.
791 * dwarf2out.c (debug_frame_section): New.
792 (output_call_frame_info): Use debug_frame_section. Pass it to
793 dw2_asm_output_offset.
794 (output_die): Pass appropriate section to dw2_asm_output_offset.
795 (output_compilation_unit_header): Likewise.
796 (output_pubnames): Likewise.
797 (output_aranges): Likewise.
798 (enum dw_val_class): Break dw_val_class_lbl_offset into
799 dw_val_class_lineptr and dw_val_class_macptr.
800 (add_AT_lbl_offset): Delete.
801 (add_AT_lineptr): New.
802 (add_AT_macptr): New.
803 (AT_lbl): Expect a lineptr or macptr.
804 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
805 (attr_checksum): Likewise.
806 (same_dw_val_p): Likewise.
807 (size_of_die): Likewise.
808 (value_format): Likewise.
809 (output_die): Likewise.
810 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
812 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
813 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
814 * config/darwin-protos.h (darwin_file_start): New.
815 (darwin_asm_output_dwarf_offset): New.
816 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
817 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
819 * config/darwin.c (darwin_emit_unwind_label): Don't output label
820 if not EH section; simplify.
821 (darwin_file_start): New.
822 (darwin_asm_output_dwarf_offset): New.
823 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
825 (DEBUG_INFO_SECTION): Likewise.
826 (DEBUG_ABBREV_SECTION): Likewise.
827 (DEBUG_ARANGES_SECTION): Likewise.
828 (DEBUG_MACINFO_SECTION): Likewise.
829 (DEBUG_LINE_SECTION): Likewise.
830 (DEBUG_LOC_SECTION): Likewise.
831 (DEBUG_PUBNAMES_SECTION): Likewise.
832 (DEBUG_STR_SECTION): Likewise.
833 (DEBUG_RANGES_SECTION): Likewise.
834 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
835 (ASM_OUTPUT_DWARF_OFFSET): New.
837 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
839 * config.gcc (tm_defines): Always add to previous value rather
842 2006-03-16 Richard Sandiford <richard@codesourcery.com>
844 * config/mips/predicates.md (splittable_const_int_operand): New,
845 split from move_operand.
846 (splittable_symbolic_operand): New.
847 (move_operand): Add commentary. Use splittable_const_int_operand.
848 Inline mips_atomic_symbolic_constant_p.
849 * config/mips/mips.md: Add combine splitters for handling moves
850 of splittable_const_int_operands and splittable_symbolic_operands.
851 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
852 (mips_split_symbol): Declare.
853 (mips_move_integer): Declare.
854 * config/mips/mips.c (mips_split_p): Make global.
855 (TARGET_MIN_ANCHOR_OFFSET): Override default.
856 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
857 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
858 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
859 (mips_offset_within_object_p): Handle block symbols.
860 (mips_atomic_symbolic_constant_p): Delete.
861 (mips_cannot_force_const_mem): Return false for constants that
862 mips_legitimize_move can handle.
863 (mips_use_blocks_for_constant_p): New function.
864 (mips_split_symbol): Make global.
865 (mips_move_integer): Likewise. Add a temporary register argument.
866 (mips_legitimize_const_move): Use splittable_const_int_operand and
867 splittable_symbolic_operand.
868 (mips_use_anchors_for_symbol_p): New function.
869 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
870 (mips_split_p): Declare.
872 2006-03-16 Richard Sandiford <richard@codesourcery.com>
874 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
875 (mips*-*-linux*): Likewise.
877 2006-03-16 Roger Sayle <roger@eyesopen.com>
878 Daniel Speyer <dspeyer@wam.umd.edu>
881 * tree-dump.c (dump_real): New function.
882 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
883 * Makefile.in (REAL_H): New macro for dependencies on real.h.
884 (tree-dump.o): Add $(REAL_H) to the dependencies.
886 2006-03-16 Roger Sayle <roger@eyesopen.com>
889 * real.c (real_from_string): If the mantissa is zero, don't bother
890 parsing the exponent as the result should always be zero.
892 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
894 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
896 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
898 * config/ia64/ia64.c (stops_p): Added explicit initialization.
899 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
900 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
901 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
902 ia64_sched_finish_global): New static functions to implement
903 hooks from gcc_target.sched.
904 (spec_check_no, max_uid, pending_data_specs): New static variables.
905 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
906 ia64_spec_check_src_p): New static functions.
907 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
908 (TARGET_SCHED_ADJUST_COST): Removed.
909 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
910 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
911 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
912 TARGET_SCHED_GEN_CHECK,
913 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
914 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
915 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
916 Fixed to handle speculation checks.
917 (rtx_needs_barrier): Fixed to handle speculative loads and
919 (ia64_variable_issue): Added code to count speculative loads and their
921 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
923 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
925 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
927 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
928 (ia64_reorg): Reset stops_p to NULL after it is freed.
929 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
930 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
931 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
933 (data_speculative, control_speculative, check_load): New attributes.
934 (mov<mode>_advanced, mov<mode>_speculative,
935 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
936 zero_extend<mode>di2_speculative,
937 zero_extend<mode>di2_speculative_advanced): New patterns for
938 data and control speculative loads.
939 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
941 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
942 New pattern for data and control speculation checks.
943 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
944 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
945 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
946 Auxiliary definitions for the patterns.
947 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
948 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
950 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
952 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
953 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
954 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
955 New resource constraints.
956 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
958 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
959 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
960 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
961 msched-in-control-spec, msched-ldc, msched-control-ldc,
962 msched-spec-verbose, msched-prefer-non-data-spec-insns,
963 msched-prefer-non-control-spec-insns,
964 msched-count-spec-in-critical-path): New flags to tune speculative
966 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
967 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
968 msched-in-control-spec, msched-ldc, msched-control-ldc,
969 msched-spec-verbose, msched-prefer-non-data-spec-insns,
970 msched-prefer-non-control-spec-insns,
971 msched-count-spec-in-critical-path): Document new flags.
973 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
975 * target.h (struct spec_info_def): New opaque declaration.
976 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
977 speculate_insn, needs_block_p, gen_check,
978 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
979 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
980 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
981 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
982 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
983 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
985 (TARGET_SCHED): Use new macros.
986 * rtl.h (copy_DEPS_LIST_list): New prototype.
987 * sched-int.h (struct sched_info): Change signature of new_ready field,
988 adjust all initializations. New fields: add_remove_insn,
989 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
990 region_head_or_leaf_p.
991 (struct spec_info_def): New structure declaration.
992 (spec_info_t): New typedef.
993 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
994 recovery_block, orig_pat.
995 (glat_start, glat_end): New variables declaraions.
996 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
998 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
999 DETACH_LIFE_INFO, USE_GLAT.
1000 (enum SPEC_SCHED_FLAGS): New enumeration.
1001 (NOTE_NOTE_BB_P): New macro.
1002 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1003 attach_life_info, debug_spec_status, check_reg_live): New functions.
1004 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1005 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1007 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1008 * ddg.c (get_block_head_tail): Adjust all uses.
1009 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1010 (sms_sched_info): Initialize new fields.
1011 (contributes_to_priority): Removed.
1012 * haifa-sched.c (params.h): New include.
1013 (get_block_head_tail): Adjust all uses.
1014 (ISSUE_POINTS): New macro.
1015 (glat_start, glat_end): New global variables.
1016 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1017 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1018 old_last_basic_block, before_recovery, current_sched_info_var,
1019 rgn_n_insns, luid): New static variables.
1020 (insn_cost1): New function. Move logic from insn_cost to here.
1021 (find_insn_reg_weight1): New function. Move logic from
1022 find_insn_reg_weight to here.
1023 (reemit_notes, move_insn, max_issue): Change signature.
1024 (move_insn1): Removed.
1025 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1026 extend_bb): New static functions to support extension of scheduler's
1028 (generate_recovery_code, process_insn_depend_be_in_spec,
1029 begin_speculative_block, add_to_speculative_block,
1030 init_before_recovery, create_recovery_block, create_check_block_twin,
1031 fix_recovery_deps): New static functions to support
1032 generation of recovery code.
1033 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1034 restore_bb_notes, move_block_after_check, move_succs): New static
1035 functions to support ebb scheduling.
1036 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1037 functions to support handling of register live information.
1038 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1039 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1040 add_jump_dependencies): New static functions.
1041 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1042 consistancy checking.
1043 (debug_spec_status): New function to call from debugger.
1044 (priority): Added code to handle speculation checks.
1045 (rank_for_schedule): Added code to distinguish speculative instructions.
1046 (schedule_insn): Added code to handle speculation checks.
1047 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1048 Fixed to handle ebbs.
1049 (move_insn): Added code to handle ebb scheduling.
1050 (max_issue): Added code to use ISSUE_POINTS of instructions.
1051 (choose_ready): Added code to choose between speculative and
1052 non-speculative instructions.
1053 (schedule_block): Added code to handle ebb scheduling and scheduling of
1054 speculative instructions.
1055 (sched_init): Initialize new variables.
1056 (sched_finish): Free new variables. Print statistics.
1057 (try_ready): Added code to handle speculative instructions.
1058 * lists.c (copy_DEPS_LIST_list): New function.
1059 * sched-deps.c (extend_dependency_caches): New function. Move logic
1060 from create_dependency_caches to here.
1061 (get_dep_weak, ds_merge): Make global.
1062 * genattr.c (main): Code to output prototype for
1063 dfa_clear_single_insn_cache.
1064 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1065 (output_dfa_clean_insn_cache_func): Code to output
1066 dfa_clear_single_insn_cache function.
1067 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1069 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1071 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1072 New static variables.
1073 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1074 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1076 (ebb_sched_info): Initialize new fields.
1077 (get_block_head_tail): Adjust all uses.
1078 (compute_jump_reg_dependencies): Fixed to use glat_start.
1079 (schedule_ebb): Code to remove unreachable last block.
1080 (schedule_ebbs): Added code to update register live information.
1081 * sched-rgn.c (region_sched_info): Initialize new fields.
1082 (get_block_head_tail): Adjust all uses.
1083 (last_was_jump): Removed. Adjust users.
1084 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1085 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1086 Implement new hooks.
1087 (check_dead_notes1): New static function.
1088 (struct region): New fields: dont_calc_deps, has_real_ebb.
1089 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1090 (BB_TO_BLOCK): Fixed to handle EBBs.
1091 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1092 (ebb_head): New static variable.
1093 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1094 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1096 (compute_dom_prob_ps): New assertion.
1097 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1098 global_live_at_start.
1099 (init_ready_list): New assertions.
1100 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1101 (new_ready): Add support for BEGIN_CONTROL speculation.
1102 (schedule_insns): Fixed code that updates register live information
1104 (schedule_region): Fixed to handle EBBs.
1105 (init_regions): Use extend_regions and check_dead_notes1.
1106 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1107 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1108 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1109 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1110 TARGET_SCHED_GEN_CHECK,
1111 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1112 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1113 * doc/invoke.texi (max-sched-insn-conflict-delay,
1114 sched-spec-prob-cutoff): Document.
1116 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1118 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1119 inter_tick, queue_index.
1120 (struct sched_info): Change signature of init_ready_list field.
1121 Adjust all initializations.
1122 (RESOLVED_DEPS): New access macro.
1123 (ready_add): Remove prototype.
1124 (try_ready): Add prototype.
1125 * sched-rgn.c (init_ready_list): Use try_ready.
1126 (schedule_region): Initialize
1127 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1128 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1129 (init_ready_list): Use try_ready.
1130 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1131 * lists.c (remove_list_elem): Remove `static'.
1132 (remove_free_INSN_LIST_elem): New function.
1133 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1134 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1135 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1137 (readyp): New variable.
1138 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1139 change_queue_index, resolve_dep): New static functions.
1140 (try_ready): New function. Adjust callers in sched-rgn.c and
1141 sched-ebb.c to use it instead of ready_add.
1142 (clock_var): Move at the begining of file.
1143 (rank_for_schedule): Fix typo.
1144 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1145 (ready_lastpos): Enforce assertion.
1146 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1148 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1149 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1150 (queue_to_ready): Use free_INSN_LIST_list.
1151 (early_queue_to_ready): Fix typo.
1152 (schedule_block): Init readyp. Move init_ready_list call after the
1153 initialization of clock_var. Fix error in rejecting insn by
1154 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1155 that previously corrected INSN_TICKs. Add code for handling
1157 (set_priorities): Fix typo.
1158 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1159 Clarify comment and code that keeps current_sched_info->next_tail
1162 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1164 * sched-rgn.c (extend_rgns): New static function.
1165 (find_rgns): Use it.
1166 (gather_region_statistics, print_region_statistics): New static
1168 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1169 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1171 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1172 Andrey Belevantsev <abel@ispras.ru>
1174 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1175 * lists.c (unused_deps_list): New variable.
1176 (free_list): Add assertions to verify the proper distinguishing
1177 between INSN_LISTs and DEPS_LISTs.
1178 (find_list_elem, remove_list_elem, remove_list_node): New static
1180 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1181 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1182 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1183 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1185 (free_INSN_LIST_node): Likewise.
1186 * modulo-sched.c (current_sched_info): Initialize flags field.
1187 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1188 * rtl.def (DEPS_LIST): Define.
1189 * rtl.h: Declare new functions from lists.c.
1190 * sched-deps.c (spec_dependency_cache): New static variable.
1191 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1192 (add_dependence): Change return type to void. Move the logic to ...
1193 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1194 (delete_all_dependences): Add comment about forward_dependency_cache.
1195 Handle spec_dependency_cache. Handle DEPS_LISTs.
1196 (fixup_sched_groups): Clarify the change of priority of output
1197 and anti dependencies.
1198 (sched_analyze_2): Adjust add_dependence calls to create data
1199 speculative dependence.
1200 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1201 Adjust all callers. Handle DEPS_LISTS.
1202 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1203 presence of speculation.
1204 (init_dependency_caches, free_dependency_caches):
1205 Handle spec_dependency_cache.
1206 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1207 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1208 New static functions.
1209 (add_or_update_back_dep, add_or_update_back_forw_dep,
1210 add_back_forw_dep, delete_back_forw_dep): New functions.
1211 * sched-int.h (ds_t, dw_t): New typedefs.
1212 (struct sched_info): Add new field flags.
1213 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1214 Prototype new sched-deps.c functions.
1215 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1216 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1217 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1218 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1219 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1220 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1222 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1224 * sched-rgn.c (current_sched_info): Initialize flags field.
1225 (schedule_insns): Initialize current_sched_info before the sched_init
1227 * sched-ebb.c (current_sched_info): Initialize flags field.
1228 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1229 Call add_or_update_back_dep instead of add_dependence.
1230 Create control speculative dependencies.
1231 (schedule_insns): Initialize current_sched_info before the sched_init
1234 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1236 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1238 (sh_fallback_frame_state): Likewise.
1240 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1242 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1243 Do switch on default_use_cxa_atexit.
1244 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1245 * config/darwin-crt3.o: New.
1246 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1247 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1248 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1250 * config/rs6000/t-darwin: Move crt2.o building to here.
1251 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1252 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1255 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1257 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1258 from '! xxx' to '!xxx' for coding-style conformance.
1259 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1260 (EXTRA_CONSTRAINT): Likewise.
1261 * config/vax/vax.md (four unnamed insns): Likewise.
1263 2006-03-15 Paul Brook <paul@codesourcery.com>
1265 * config/arm/arm.c (minipool_pad): New.
1266 (add_minipool_forward_ref): Include pool alignment padding in address
1268 (push_minipool_fix): Set minipool_pad.
1269 (minipool_pad): Ditto.
1271 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1273 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1274 instead of GET_CODE() == MEM and REG_P() instead of
1276 (print_operand_address): Likewise.
1277 (vax_address_cost): Likewise.
1278 (vax_rtx_costs): Likewise.
1279 (vax_notice_update_cc): Likewise.
1280 (vax_output_int_add): Likewise.
1281 (INDEX_REGISTER_P): Likewise.
1282 (BASE_REGISTER_P): Likewise.
1283 (nonindexed_address_p): Likewise.
1284 (vax_mode_dependent_address_p): Likewise.
1285 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1286 (PRINT_OPERAND): Likewise.
1287 * config/vax/vax.md (ashlsi3): Likewise.
1288 (ashlsi3): Likewise.
1289 (some more unnamed insns): Likewise.
1291 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1293 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1294 iterator-style macro.
1295 (mark_control_dependent_edges_necessary): Update the use of
1296 EXECUTE_IF_CONTROL_DEPENDENT.
1298 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1300 * config/sh/predicates.md (cache_address_operand): Special.
1301 (ua_address_operand): Likewise.
1303 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1305 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1307 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1309 2006-03-15 Andreas Schwab <schwab@suse.de>
1311 * gensupport.c (identify_predicable_attribute): Don't free p_false
1312 when it is still in use.
1314 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1316 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1317 the default setting here.
1319 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1321 * tree-pass.h (pass_cfg): Remove.
1322 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1323 * passes.c (pass_cfg): Don't run it.
1325 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1327 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1328 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1330 (stack_regs_mentioned): Update the uses of
1331 stack_regs_mentioned_data. Don't access the array beyond its
1333 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1334 Don't include gt-reg-stack.h.
1336 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1337 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1339 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1342 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1345 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1347 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1349 2006-03-14 Richard Guenther <rguenther@suse.de>
1351 PR tree-optimization/26672
1352 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1355 2006-03-14 Richard Guenther <rguenther@suse.de>
1357 PR tree-optimization/26667
1358 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1359 node for the callees. Always allow inlining if it will shrink
1362 2006-03-14 Richard Guenther <rguenther@suse.de>
1365 * builtins.c (get_pointer_alignment): Prefer alignment
1366 information from decls over that from types.
1368 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1371 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1373 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1375 * config/rs6000/rs6000.opt (mdlmzb): New option.
1376 (msched-prolog, msched-epilog): Use Var not Mask.
1377 * doc/invoke.texi (-mdlmzb): Document.
1378 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1380 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1381 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1383 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1385 PR rtl-optimization/25739
1386 * bt-load.c (augment_live_range): Free tos pointer.
1388 * gensupport.c (identify_predicable_attribute): Free
1390 * gcov.c (create_file_names): Free name pointer.
1392 2006-03-13 Roger Sayle <roger@eyesopen.com>
1395 * stmt.c (emit_case_nodes): Handle the case where the index is a
1396 CONST_INT, where the comparison mode is specified by the index type.
1398 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1400 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1403 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1405 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1406 (*branch_fp_inverted): Likewise.
1408 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1411 * omp-low.c (expand_omp_for_generic): Mark istart0
1412 and iend0 as addressable.
1414 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1416 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1418 2006-03-13 Jeff Law <law@redhat.com>
1420 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1421 virtual operands are interesting.
1422 (vrp_visit_stmt): Corresponding changes.
1424 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1426 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1428 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1429 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1430 * config/bfin/crti.S: Use it instead of __PIC__.
1431 * config/bfin/crtn.S: Likewise.
1433 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1434 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1436 Lose 'G' modifier for call operand.
1437 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1438 recognize 'G' modifier.
1440 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1443 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1444 * stmt.c (expand_case): Likewise.
1446 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1448 PR rtl-optimization/26254
1449 * loop-invariant.c (seq_insns_valid_p): New function.
1450 (move_invariant_reg): Only emit new code if it is valid.
1452 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1454 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1456 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1457 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1458 (commit_one_edge_insertion): Do not look for loop notes.
1460 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1462 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1463 flag_test_coverage out of loop.
1465 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1467 * final.c (shorten_branches): Remove outdated comment, and turn
1468 the if branch that guards it to continue.
1470 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1472 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1473 * cfgloop.h (struct loop): Remove unused fields.
1475 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1477 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1478 (-dL, -fdump-rtl-loop2): Update the dump file names
1480 * doc/invoke.texi: Update dump file names.
1482 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1484 * predict.c (estimate_probability): Remove.
1485 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1486 * basic-block.h (estimate_probability): Remove prototype.
1487 * passes.c (finish_optimization_passes): Dump branch prediction or
1488 profiling heuristics to the .profile tree dump.
1489 (init_optimization_passes): Unqueue pass_branch_prob.
1491 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1493 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1495 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1496 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1498 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1500 * function.h (frame_offset_overflow): Declare.
1501 * function.c (frame_offset_overflow): New function.
1502 (assign_stack_local_1): Call it to detect that the offset overflows.
1503 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1505 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1507 * config/sh/sh.c: Include alloc-pool.h.
1508 (label_ref_list_pool): New alloc pool.
1509 (label_ref_list_t): New type for lists of labels.
1510 (struct pool_node): Make wend a label_ref_list_t.
1511 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1513 (dump_table): Likewise.
1514 (sh_reorg): Set up the alloc pool before using add_constant and
1515 dump_table, and destroy it when finishing.
1517 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1519 * config/mips/mips.c: Remove redundant comment.
1521 2006-03-10 Jason Merrill <jason@redhat.com>
1524 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1525 the target was declared 'register'.
1527 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1529 * genpreds.c (write_insn_constraint_len): Change definition of
1530 insn_constraint_len to return size_t to match the declaration.
1532 2006-03-10 DJ Delorie <dj@redhat.com>
1534 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1536 (m32c_expand_insv): Fix test for an AND mask.
1538 2006-03-10 Richard Guenther <rguenther@suse.de>
1541 * builtins.c (get_pointer_alignment): Handle component
1542 references for field alignment.
1544 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1546 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1547 when building with libgloss.
1548 (sh*elf): Implement --without-fp option.
1549 (sh64-superh-linux*): Don't multilib.
1551 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1553 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1555 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1557 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1558 Set it when one of the replacement functions returned true.
1559 Return TODO_cleanup_cfg if cfgchanged is true.
1560 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1562 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1564 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1565 instead of gen_lowpart.
1567 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1569 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1571 (mips_output_order_conditional_branch): Declare.
1572 * config/mips/mips.h (MIPS_BRANCH): New macro.
1573 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1574 for the comparison. Use gen_condjump.
1575 (mips_output_conditional_branch): Rework interface to take the
1576 asm templates for a direct branch and the inverse of a direct branch.
1577 (mips_output_order_conditional_branch): New function.
1578 (mips_builtin_branch_and_move): New function.
1579 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1580 branch condition. Use gen_single_cc as the condition for
1581 __builtin_mips_upper_* or __builtin_mips_lower_*.
1582 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1583 Use VOIDmode for the branch condition.
1584 * config/mips/predicates.md (order_operator): New predicate.
1585 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1586 (branch_fp): Rename to...
1587 (*branch_fp): ...this. Remove mode from comparison operator.
1588 Use new mips_output_conditional_branch interface.
1589 (branch_fp_inverted): Rename to...
1590 (*branch_fp_inverted): ...this and update as for *branch_fp.
1591 (*branch_zero<mode>): Rename to...
1592 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1593 Use mips_output_order_conditional_branch. Only accept ordered
1595 (*branch_zero<mode>_inverted): Rename to...
1596 (*branch_order<mode>_inverted): ...this and update as for
1597 *branch_order<mode>.
1598 (*branch_equality<mode>): Accept zero as the second operand to
1599 the equality operator. Use the new mips_output_conditional_branch
1601 (*branch_equality<mode>_inverted): Likewise.
1602 (condjump): New expander.
1603 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1605 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1606 (bc1any2t, bc1any2f): Likewise.
1607 (single_cc): New expander.
1608 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1610 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1612 * doc/md.texi: Update documentation of MIPS constraints.
1613 * config/mips/constraints.md: New file.
1614 * config/mips/mips.md: Include it.
1615 * config/mips/mips.c (mips_char_to_class): Delete.
1616 (override_options): Don't initialize mips_char_to_class.
1617 * config/mips/mips.h (mips_char_to_class): Delete.
1618 (REG_CLASS_FROM_LETTER): Delete.
1619 (CONST_OK_FOR_LETTER_P): Delete.
1620 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1621 (EXTRA_CONSTRAINT_Y): Delete.
1622 (EXTRA_CONSTRAINT_STR): Delete.
1623 (CONSTRAINT_LEN): Delete.
1624 (EXTRA_MEMORY_CONSTRAINT): Delete.
1626 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1628 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1629 original fn's eh regions.
1631 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1633 * fold-const.c (build_range_check): Make sure to use a valid type to
1634 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1637 (range_predecessor): New static function.
1638 (range_successor): Likewise.
1639 (merge_ranges): Use them to compute predecessors and successors of
1642 2006-03-09 Roger Sayle <roger@eyesopen.com>
1645 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1646 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1648 2006-03-08 DJ Delorie <dj@redhat.com>
1650 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1651 (addpsi3): Expand to include memory operands. Remove
1652 reload-specific splits.
1653 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1654 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1655 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1656 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1657 (shift1_qi, shift1_hi, insv): New.
1658 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1659 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1660 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1662 * config/m32c/m32c-protos.h: Update as needed.
1663 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1664 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1665 Fail for unrecognized R* constraints.
1666 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1667 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1668 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1670 (m32c_init_libfuncs): New.
1671 (m32c_legitimate_address_p): Add debug wrapper.
1672 (m32c_rtx_costs): New.
1673 (m32c_address_cost): New.
1674 (conversions): Add 'B' prefix.
1675 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1676 operands, or word regnames for QI operands. 'B' prints bit
1678 (m32c_expand_setmemhi): New.
1679 (m32c_expand_movmemhi): New.
1680 (m32c_expand_movstr): New.
1681 (m32c_expand_cmpstr): New.
1682 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1683 (m32c_expand_neg_mulpsi3): Handle non-ints.
1684 (m32c_cmp_flg_0): New.
1685 (m32c_expand_movcc): New.
1686 (m32c_expand_insv): New.
1687 (m32c_scc_pattern): New.
1688 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1689 a0/a1 out of SIregs.
1690 (STORE_FLAG_VALUE): New.
1691 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1694 * config/m32c/mov.md: Make constraints more liberal.
1695 (zero_extendqihi2): Optimize r0/r1 case.
1696 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1697 * config/m32c/predicates.md (m32c_any_operand): New.
1698 (m32c_nonimmediate_operand): New.
1699 (m32c_hl_operand): New.
1700 (m32c_r3_operand): New.
1703 (memsym_operand): New.
1704 (memimmed_operand): New.
1705 (a_qi_operand): New.
1706 (m32c_eqne_operator): New.
1707 (m32c_1bit8_operand): New.
1708 (m32c_1bit16_operand): New.
1709 (m32c_1mask8_operand): New.
1710 (m32c_1mask16_operand): New.
1711 * config/m32c/blkmov.md: New file.
1712 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1714 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1716 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1717 unsigned to fix signed/unsigned comparison issue in
1718 DWARF2_FRAME_REG_OUT.
1719 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1720 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1722 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1723 of ptr into the ENABLE_CHECKING section.
1725 2006-03-08 Jeff Law <law@redhat.com>
1727 * tree-vrp.c (infer_value_range): Only count pointer uses
1728 and dereferences if -fdelete-null-pointer-checks is enabled.
1730 * tree-vrp.c (find_assert_locations): Infer value ranges for
1731 single use pointers, but do not create ASSERT_EXPRs for them.
1732 When a non-null range is inferred for a pointer, backwards
1733 propagate that range to other equivalent pointers through the
1736 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1739 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1740 language hook targets.
1741 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1742 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1743 if language hook targets were missing.
1745 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1747 * tree-ssa-opfinalize.h: Removed.
1748 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1750 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1751 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1752 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1753 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1754 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1755 finalize_ssa_v_must_def_ops): New.
1757 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1759 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1762 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1764 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1766 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1767 addresses with offsets; reorganize.
1769 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1770 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1771 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1773 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1776 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1778 2006-03-08 Ben Elliston <bje@au.ibm.com>
1780 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1782 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1785 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1788 2006-03-07 Richard Guenther <rguenther@suse.de>
1790 PR tree-optimization/26587
1791 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1793 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1795 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
1797 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1799 * hooks.c (hook_bool_mode_rtx_true): New function.
1800 * hooks.h (hook_bool_mode_rtx_true): Declare.
1801 * toplev.c (compile_file): Call output_shared_constant_pool.
1802 * varasm.c (shared_constant_pool): New variable.
1803 (assemble_start_function, assemble_end_function): Remove arguments
1804 from call to output_constant_pool.
1805 (create_constant_pool): New function, split out from...
1806 (init_varasm_status): ...here.
1807 (force_const_mem): Choose between the shared and per-function constant
1808 pools. Set current_function_uses_const_pool when reusing old entries
1809 as well as when creating new ones.
1810 (mark_constant): Ignore data argument.
1811 (mark_constants): Remove pool argument.
1812 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
1813 to decide whether the function uses a constant pool.
1814 (output_constant_pool_contents): New function, split out from...
1815 (output_constant_pool): ...here.
1816 (output_shared_constant_pool): New function.
1817 (init_varasm_once): Initialize shared_constant_pool.
1818 * output.h (output_constant_pool): Delete.
1819 (output_shared_constant_pool): Declare.
1820 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
1821 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
1823 2006-03-06 Nick Clifton <nickc@redhat.com>
1825 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
1826 flag_strength_reduce.
1828 2006-03-06 Ben Elliston <bje@au.ibm.com>
1830 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
1831 x86_64-*-linux* configurations.
1833 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
1834 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
1836 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1838 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
1840 * basic-block.h: Remove the extern for
1841 rediscover_loops_after_threading.
1843 * cfgloop.c (cancel_loop): Make it static.
1844 * cfgloop.h: Remove the prototype for cancel_loop.
1846 * flow.c (recompute_reg_usage): Make it static.
1847 * rtl.h: Remove the prototype for recompute_reg_usage.
1849 * function.c (use_return_register): Make it static.
1850 * function.h: Remove the prototype.
1852 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1854 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
1856 * recog.h: Remove the prototype for
1857 validate_change_maybe_volatile.
1859 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1861 * rtlanal.c (replace_reg): Remove.
1862 * rtl.h: Remove the prototype for replace_reg.
1864 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1866 * regclass.c (reg_scan_update): Remove.
1867 (reg_scan_mark_refs): Remove the last argument.
1868 * rtl.h: Remove the prototype for reg_scan_update.
1870 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1872 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
1873 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
1874 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
1875 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
1876 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
1877 loop-invariant.c, omp-low.c, opts.c, passes.c,
1878 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
1879 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
1880 tree-ssa-structalias.c, tree-ssa-threadedge.c,
1881 tree-ssa-threadupdate.c, tree-vect-patterns.c,
1882 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
1883 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1885 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1887 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1888 * dwarf2out.h: Remove the prototype for
1889 dwarf2out_add_library_unit_info.
1891 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1893 * tree.c (add_var_to_bind_expr): Remove.
1894 * tree.h: Remove the prototype for add_var_to_bind_expr.
1896 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1898 * regclass.c (n_non_fixed_regs): Remove.
1899 (init_reg_sets_1, globalize_reg): Remove all uses of
1901 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1903 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1905 * rtlanal.c (insns_safe_to_move_p): Remove.
1906 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1908 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1910 * expmed.c (expand_mult_add): Remove.
1911 * expr.h: Remove the prototype for expand_mult_add.
1913 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1915 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1916 and REG_SAVED_VAL_EXP constants.
1917 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1918 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1919 Handle regs stored by value.
1920 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1921 (execute_cfa_program): Handle DW_CFA_val_offset,
1922 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1923 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1924 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1925 (uw_install_context_1): Handle target regs stored by value.
1927 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1929 * tree-sra.c (tree_sra): Return todoflags;
1930 (generate_one_element): Set TODO_update_smt_usage if needed.
1931 (pass_sra): Remove TODO_update_smt_usage.
1932 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1934 (tree_ssa_forward_propagate_single_use_vars): Return
1935 TODO_update_smt_usage if we need to update SMT usage.
1936 (pass_forwprop): Remove TODO_update_smt_usage.
1938 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1940 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1941 (correct_use_link): Remove reference to get_stmt_operands.
1942 (update_stmt_operands): Likewise.
1943 (get_modify_expr_operands): New function factored out of
1944 parse_ssa_operands and get_expr_operands.
1945 Try to create V_MUST_DEFs for LHS by default.
1946 (get_expr_operands) <case MODIFY_EXPR>: Call
1947 get_modify_expr_operands.
1948 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
1949 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
1950 (parse_ssa_operands) <case MODIFY_EXPR>: Call
1951 get_modify_expr_operands.
1953 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
1955 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
1956 * tree-flow.h: Remove the prototype for
1957 referenced_var_lookup_if_exists.
1959 2006-03-03 Steve Ellcey <sje@cup.hp.com>
1961 PR rtl-optimization/26345
1963 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
1965 2006-03-03 Roger Sayle <roger@eyesopen.com>
1967 PR tree-optimization/26524
1968 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
1969 fold_convert to create a constant of the appropriate type.
1971 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1973 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1974 SYMBOL_REF_IN_BLOCK_P.
1975 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1976 of SYMBOL_FLAG_IN_BLOCK.
1977 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1978 instead of SYMBOL_REF_IN_BLOCK_P.
1979 * explow.c (use_anchored_address): Likewise.
1980 * rtl.c (rtx_size): Likewise.
1981 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1982 instead of SYMBOL_FLAG_IN_BLOCK.
1983 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1984 SYMBOL_REF_IN_BLOCK_P.
1985 (assemble_variable): Likewise.
1986 (output_constant_def_contents): Likewise.
1987 (output_constant_pool): Likewise.
1988 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1989 instead of SYMBOL_FLAG_IN_BLOCK.
1990 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1991 SYMBOL_REF_IN_BLOCK_P.
1992 (SYMBOL_REF_BLOCK): Likewise.
1993 (SYMBOL_REF_OFFSET): Likewise.
1994 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1995 SYMBOL_REF_IN_BLOCK_P.
1996 (SYMBOL_FLAG_IN_BLOCK): Replace with...
1997 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
1998 (SYMBOL_REF_IN_BLOCK_P): Replace with...
1999 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2001 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2003 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2005 2006-03-02 Roger Sayle <roger@eyesopen.com>
2007 * simplify-rtx.c (simplify_unary_operation): When simplifying
2008 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2009 that we perform the right shift in the appropriate mode, and
2010 then extend or truncate the result to requested mode.
2012 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2014 * gengtype.c (main): Handle double_int type.
2015 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2016 * double-int.c: New file.
2017 * double-int.h: New file.
2018 * system.h: Include doubleint.h.
2019 * Makefile.in (SYSTEM_H): Include double-int.h.
2020 (double-int.o): Add.
2022 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2025 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2028 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2030 * tree-vrp.c (remove_range_assertions): Do not update statements
2033 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2035 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2037 * gcse.c (rest_of_handle_gcse): Ditto.
2038 * except.c (gate_handle_eh): Ditto.
2039 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2040 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2042 2006-03-02 Eric Christopher <echristo@apple.com>
2044 * config/i386/i386.c (machopic_output_stub): Add indirection to
2047 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2051 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2053 Sun Niagara specific optimizations.
2054 * config.gcc: Recognize niagara as target.
2055 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2056 (TARGET_CPU_niagara): Define.
2057 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2058 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2059 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2060 (ASM_CPU_SPEC): Likewise.
2061 (PROCESSOR_NIAGARA): New enum entry.
2062 (REGISTER_MOVE_COST): Handle Niagara.
2063 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2064 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2065 (sparc_override_options): Recognize "niagara", set appropriate
2066 default MASK_* values for it, and align functions to 32-bytes
2067 by default just like ULTRASPARC/ULTRASPARC3.
2068 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2069 (sparc64_initialize_trampoline): Likewise.
2070 (sparc_use_sched_lookahead): Use zero for niagara.
2071 (sparc_issue_rate): Use one for niagara.
2072 * config/sparc/niagara.md: New file.
2073 * config/sparc/sparc.md: Include it.
2074 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2075 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2076 when default cpu is niagara.
2077 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2078 (ASM_CPU_SPEC): Likewise.
2079 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2080 when default cpu is niagara.
2081 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2082 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2083 just like v9/ultrasparc/ultrasparc3.
2084 * doc/invoke.texi: Add documentation for "niagara" and improve
2085 existing documentation for ultrasparc variants.
2087 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2089 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2091 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2093 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2094 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2095 and say that only one is needed.
2096 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2097 * target.h (have_switchable_bss_sections): New hook.
2098 * explow.c (use_anchored_address): Check that the symbol is in a block.
2099 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2100 (bss_noswitch_section): New variables.
2101 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2102 (get_noswitch_section): New function.
2103 (get_block_for_section): Allow SECT to be null.
2104 (unlikely_text_section_p): Use SECTION_STYLE.
2105 (bss_initializer_p): New function.
2106 (get_variable_section): Move earlier in file. Take a new argument,
2107 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2108 Return one of the new *_sections in such cases.
2109 (get_block_for_decl): New function, extracting some logic from
2110 use_blocks_for_decl_p.
2111 (change_symbol_section): Remove in favor of...
2112 (change_symbol_block): ...this new function.
2113 (use_blocks_for_decl_p): Remove checks now performed by
2115 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2116 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2117 (emit_local, emit_bss, emit_common): ...these new functions.
2118 Return true if the alignment was honored.
2119 (emit_tls_common): New function.
2120 (asm_emit_uninitialised): Delete.
2121 (assemble_variable_noswitch): New function, split out from...
2122 (assemble_variable): ...here. Don't make decisions about common
2123 variables here. Globalize all public decls that go into non-common
2124 sections. Check whether SYMBOL_REF_BLOCK is null.
2125 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2126 (output_constant_pool): Likewise.
2127 (init_varasm_once): Initialize the new section variables.
2128 (have_global_bss_p): New function.
2129 (categorize_decl_for_section): Use bss_initializer_p.
2130 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2131 (place_block_symbol): Assert that the symbol must be in a block.
2132 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2133 (TARGET_INITIALIZER): Include it.
2134 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2135 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2136 (SECTION_MACH_DEP): Bump by two.
2137 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2138 (unnamed_section): Mention SECTION_UNNAMED in comment.
2139 (named_section): Likewise SECTION_NAMED.
2140 (noswitch_section_callback): New type.
2141 (noswitch_section): New structure.
2142 (section): Add a noswitch_section alternative.
2143 (SECTION_STYLE): New macro.
2144 (tls_comm_section, comm_section, lcomm_section): Declare.
2145 (bss_noswitch_section, have_global_bss_p): Declare.
2146 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2147 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2149 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2150 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2153 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2155 * gcc/tree-vrp.c (execute_vrp): Return value.
2156 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2157 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2158 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2159 (tree_lower_complex_O0): Ditto.
2160 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2161 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2162 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2163 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2164 (execute_tail_calls): Ditto.
2165 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2166 * gcc/tree.h (init_function_for_compilation): Ditto.
2167 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2168 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2169 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2170 * gcc/final.c (compute_alignments): Ditto.
2171 (rest_of_handle_final): Ditto.
2172 (rest_of_handle_shorten_branches): Ditto.
2173 (rest_of_clean_state): Ditto.
2174 * gcc/omp-low.c (execute_expand_omp): Ditto.
2175 (execute_lower_omp): Ditto.
2176 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2177 * gcc/ipa-reference.c (static_execute): Ditto.
2178 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2179 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2180 (rest_of_handle_machine_reorg): Ditto.
2181 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2182 * gcc/flow.c (recompute_reg_usage): Ditto.
2183 (rest_of_handle_remove_death_notes): Ditto.
2184 (rest_of_handle_life): Ditto.
2185 (rest_of_handle_flow2): Ditto.
2186 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2187 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2188 (do_ssa_store_ccp): Ditto.
2189 (execute_fold_all_builtins): Ditto.
2190 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2191 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2192 * gcc/ipa-pure-const.c (static_execute): Ditto.
2193 * gcc/cse.c (rest_of_handle_cse): Ditto.
2194 (rest_of_handle_cse2): Ditto.
2195 * gcc/web.c (rest_of_handle_web): Ditto.
2196 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2197 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2198 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2199 * gcc/tree-nrv.c (tree_nrv): Ditto.
2200 (execute_return_slot_opt): Ditto.
2201 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2202 (create_structure_vars): Ditto.
2203 * gcc/loop-init.c (rtl_loop_init): Ditto.
2204 (rtl_loop_done): Ditto.
2205 (rtl_move_loop_invariants): Ditto.
2206 (rtl_unswitch): Ditto.
2207 (rtl_unroll_and_peel_loops): Ditto.
2208 (rtl_doloop): Ditto.
2209 * gcc/gimple-low.c (lower_function_body): Ditto.
2210 (mark_used_blocks): Ditto.
2211 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2212 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2213 (cgraph_early_inlining): Ditto.
2214 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2215 * gcc/jump.c (cleanup_barriers): Ditto.
2216 (purge_line_number_notes): Ditto.
2217 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2218 (rest_of_handle_if_after_reload): Ditto.
2219 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2220 (tree_ssa_loop_im): Ditto.
2221 (tree_ssa_loop_unswitch): Ditto.
2222 (tree_vectorize): Ditto.
2223 (tree_linear_transform): Ditto.
2224 (tree_ssa_loop_ivcanon): Ditto.
2225 (tree_ssa_empty_loop): Ditto.
2226 (tree_ssa_loop_bounds): Ditto.
2227 (tree_complete_unroll): Ditto.
2228 (tree_ssa_loop_prefetch): Ditto.
2229 (tree_ssa_loop_ivopts): Ditto.
2230 (tree_ssa_loop_done): Ditto.
2231 * gcc/predict.c (tree_estimate_probability): Ditto.
2232 * gcc/recog.c (split_all_insns_noflow): Ditto.
2233 (rest_of_handle_peephole2): Ditto.
2234 (rest_of_handle_split_all_insns): Ditto.
2235 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2236 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2237 (rest_of_handle_stack_adjustments): Ditto.
2238 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2239 * gcc/function.c (instantiate_virtual_regs): Ditto.
2240 (init_function_for_compilation): Ditto.
2241 (rest_of_handle_check_leaf_regs): Ditto.
2242 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2243 (rest_of_handle_gcse): Ditto.
2244 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2245 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2246 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2247 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2248 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2249 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2250 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2251 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2252 * gcc/except.c (set_nothrow_function_flags): Ditto.
2253 (convert_to_eh_region_ranges): Ditto.
2254 (rest_of_handle_eh): Ditto.
2255 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2256 (remove_unnecessary_notes): Ditto.
2257 * gcc/except.h (set_nothrow_function_flags): Ditto.
2258 (convert_to_eh_region_ranges): Ditto.
2259 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2260 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2261 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2262 (execute_fre): Ditto.
2263 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2264 (rest_of_handle_jump2): Ditto.
2265 * gcc/tree-sra.c (tree_sra): Ditto.
2266 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2267 (execute_mudflap_function_decls): Ditto.
2268 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2269 (do_store_copy_prop): Ditto.
2270 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2271 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2272 * gcc/tree-ssa-forwprop.c
2273 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2274 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2275 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2276 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2277 (execute_late_warn_uninitialized): Ditto.
2278 * gcc/rtl.h (cleanup_barriers): Ditto.
2279 (split_all_insns_noflow): Ditto.
2280 (purge_line_number_notes): Ditto.
2281 (unshare_all_rtl): Ditto.
2282 (remove_unnecessary_notes): Ditto.
2283 (recompute_reg_usage): Ditto.
2284 (variable_tracking_main): Ditto.
2285 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2286 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2287 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2288 (execute_free_cfg_annotations): Ditto.
2289 (execute_fixup_cfg): Ditto.
2290 (execute_cleanup_cfg_pre_ipa): Ditto.
2291 (execute_cleanup_cfg_post_optimizing): Ditto.
2292 (execute_init_datastructures): Ditto.
2293 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2294 * gcc/combine.c (rest_of_handle_combine): Ditto.
2295 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2296 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2297 (rest_of_handle_reorder_blocks): Ditto.
2298 (rest_of_handle_partition_blocks): Ditto.
2299 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2300 * gcc/tree-profile.c (tree_profiling): Ditto.
2301 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2302 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2303 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2304 (rest_of_handle_sched2): Ditto.
2305 * gcc/basic-block.h (free_bb_insn): Ditto.
2306 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2307 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2308 (remove_useless_stmts): Ditto.
2309 (split_critical_edges): Ditto.
2310 (execute_warn_function_return): Ditto.
2311 (execute_warn_function_noreturn): Ditto.
2312 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2313 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2314 * gcc/passes.c (execute_one_pass): Run additional
2315 todos returned by execute function.
2316 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2319 2006-03-02 Richard Guenther <rguenther@suse.de>
2321 * tree-ssa-alias.c (find_used_portions): Consider taking
2322 the address as making the variable not write-only.
2324 2006-03-02 Nick Clifton <nickc@redhat.com>
2326 * config.gcc (default_use_cxa_atexit): Extend the description of
2327 this configure variable. Set its default value to "yes" for
2328 Linux, NetBSD and ELF targets on the assumption that they will
2329 use C libraries with the __cxa_atexit function.
2331 2006-03-02 Ben Elliston <bje@au.ibm.com>
2333 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2334 parameter as unused to suppress a build warning.
2336 2006-03-02 Ben Elliston <bje@au.ibm.com>
2338 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2341 2006-03-01 Roger Sayle <roger@eyesopen.com>
2344 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2345 declared name, the weak reference name, and the typeof name.
2346 (__gthrw): Avoid expanding the declared name suffix.
2347 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2349 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2351 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2353 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2354 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2355 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2356 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2357 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2358 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2359 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2360 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2361 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2362 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2363 (DW_END_default, DW_END_big, DW_END_little): New.
2364 (DW_END_lo_user, DW_END_hi_user): Define.
2365 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2366 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2367 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2370 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2372 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2374 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2376 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2378 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2380 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2381 to 'symbol_mem_tag'.
2383 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2386 2006-03-01 Roger Sayle <roger@eyesopen.com>
2388 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2390 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2393 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2394 MACHO_DYNAMIC_NO_PIC_P.
2395 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2397 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2400 * config/darwin-protos.h (darwin_asm_output_anchor):
2402 * config/darwin-sections.def (cstring_section):
2403 Add SECTION_MERGE to the flags.
2404 (literal4_section): Likewise.
2405 (literal8_section): Likewise.
2406 (objc_selector_refs_section): Likewise.
2407 (objc_cls_refs_section): Likewise.
2408 * config/darwin.c (darwin_asm_output_anchor): New
2410 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2412 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2414 Fix PR tree-optimization/26443
2415 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2416 to todo and PROP_tmt_usage to properties_destroyed.
2417 * tree-ssa-ccp.c (pass_ccp): Ditto.
2418 (pass_store_ccp): Ditto.
2419 * tree-ssa-dom.c (pass_dominator): Ditto.
2421 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2423 * tree-ssa-operands.c: Cleanup whitespace.
2424 (get_asm_expr_operands): Move before first invocation.
2425 (get_indirect_ref_operands): Likewise.
2426 (get_tmr_operands): Likewise.
2427 (get_call_expr_operands): Likewise.
2428 (append_def): Likewise.
2429 (append_use): Likewise.
2430 (append_v_may_def): Likewise.
2431 (append_v_must_def): Likewise.
2432 (add_call_clobber_ops): Likewise.
2433 (add_call_read_ops): Likewise.
2434 (add_stmt_operand): Likewise.
2435 (add_virtual_operand): Likewise.
2436 (build_ssa_operands): Likewise.
2438 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2443 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2444 with a call expr to ...
2445 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2447 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2449 * tree-vrp.c (extract_range_from_assert): Remove special
2450 handling for types with super-types.
2452 2006-03-01 Ben Elliston <bje@au.ibm.com>
2454 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2455 and powerpc64-*-linux* configurations.
2456 * config/t-dfprules: New file.
2458 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2459 Compile dfp-bit.c from the source directory using -DWIDTH and
2460 $DFP_CFLAGS to control the compilation of that file, rather than
2461 generating width-specific versions in the build directory.
2462 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2463 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2465 2006-02-28 Zack Weinberg <zackw@panix.com>
2467 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2470 2006-02-28 Eric Christopher <echristo@apple.com>
2472 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2473 Set up IN_LIBGCC definition of TARGET_64BIT.
2474 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2476 2006-02-28 Roger Sayle <roger@eyesopen.com>
2479 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2480 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2481 cases via the construction of "expr != 0".
2483 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2485 * alias.c (alias_invariant, alias_invariant_size): Remove.
2486 (record_base_value): Remove.
2487 (memrefs_conflict_p): Don't look at alias_invariant.
2488 (end_alias_analysis): Don't free it.
2489 * alias.h (record_base_value): Remove prototype.
2491 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2492 Adam Nemet <anemet@caviumnetworks.com>
2494 * rtl.h (truncated_to_mode): Declare it.
2495 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2496 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2497 (RTL_HOOKS_INITIALIZER): Include it.
2498 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2499 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2500 reg_truncated_to_mode.
2501 * rtlanal.c (truncated_to_mode): Define it.
2502 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2504 2006-02-28 Jeff Law <law@redhat.com>
2506 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2507 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2508 the range allowed by TYPE_PRECISION.
2510 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2512 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2514 PR tree-optimization/26419
2515 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2518 2006-02-27 Zack Weinberg <zackw@panix.com>
2520 * doc/md.texi: Fix typo in previous change.
2522 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2526 2006-02-27 Zack Weinberg <zackw@panix.com>
2528 * rtl.def (define_constraint, define_register_constraint)
2529 (define_memory_constraint, define_address_constraint): New MD forms.
2530 * gensupport.c (process_rtx): Put define_constraint etc on the
2532 * genpreds.c (process_define_predicate): Adjust comment. Validate
2533 the name, and call validate_exp to validate the expression.
2534 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2535 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2536 all callers changed.
2537 (validate_exp, needs_variable, struct constraint_data)
2538 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2539 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2540 (const_dbl_constraints, constraint_max_namelen)
2541 (have_register_constraints, have_memory_constraints)
2542 (have_address_constraints, have_address_constraints)
2543 (have_extra_constraints, have_const_int_constraints)
2544 (have_const_dbl_constraints, mangle, add_constraint)
2545 (process_define_constraint, process_define_register_constraint)
2546 (write_enum_constraint_num, write_lookup_constraint)
2547 (write_insn_constraint_len, write_regclass_for_constraint)
2548 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2549 (write_insn_extra_memory_constraint)
2550 (write_insn_extra_address_constraint)
2551 (write_satisfies_constraint_fns): New.
2552 (write_tm_preds_h): If we have new-style constraint definitions,
2553 prototype the functions generated from them, and define the
2554 old constraint interface (still used by generic code) in terms of
2556 (write_insn_preds_c): If we have new-style constraint definitions,
2557 generate all relevant functions from those definitions.
2558 (main): Handle define_constraint etc.
2559 * genoutput.c (struct constraint_data, indep_constraints)
2560 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2561 (mdep_constraint_len): New data structures and functions, defined
2562 #ifdef USE_MD_CONSTRAINTS.
2563 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2564 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2565 use new logic to validate operand constraints against constraint
2567 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2569 * defaults.h: If none of the old-style constraint macros are
2570 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2571 old-style macros; and poison REG_CLASS_FROM_LETTER,
2572 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2574 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2575 * doc/md.texi: Document new constraint-definition mechanism and the
2576 C interface it provides. Remove references to old mechanism
2577 elsewhere in the document.
2578 (Machine Constraints): Use pathnames relative to gcc directory,
2579 i.e. config/ARCH/FILE. Change i386 section to refer to
2580 config/i386/predicates.md; update that section to match docstrings.
2581 * doc/tm.texi: Move all documentation of the old constraint-
2582 definition macros to their own section, clearly mark as obsolete.
2584 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2585 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2587 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2588 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2589 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2591 (splits and peepholes): Use satisfies_constraint_*.
2592 * config/i386/i386.c (memory_address_length)
2593 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2595 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2597 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2598 scalar operation to be put back into the loop.
2600 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2603 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2604 (extract_cie_info): Handle S flag in augmentation string.
2605 (execute_cfa_program): If context->signal_frame, execute also
2606 fs->pc == context->ra instructions.
2607 (uw_frame_state_for): If context->signal_frame, don't subtract one
2608 from context->ra to find FDE.
2609 (uw_update_context_1): Set context->signal_frame to
2611 (_Unwind_GetIPInfo): New function.
2612 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2613 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2615 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2616 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2617 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2618 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2619 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2620 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2621 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2622 x86_64_fallback_frame_state): Set fs->signal_frame.
2623 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2624 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2625 (frob_update_context): Likewise. Workaround missing S flag in
2626 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2627 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2628 Remove the psw_addr + 1 hack.
2630 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2632 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2633 with aggregates here.
2634 (find_func_aliases): Remove code for &<aggregate> from here.
2636 2006-02-26 Roger Sayle <roger@eyesopen.com>
2638 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2639 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2640 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2643 2006-02-26 Roger Sayle <roger@eyesopen.com>
2646 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2648 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2650 * opts.c (decode_options): Do not handle flag_strength_reduce.
2651 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2652 and OPT_fstrength_reduce.
2653 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2654 flag_prefetch_loop_arrays for being nonzero.
2655 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2657 (fprefetch-loop-arrays-rtl): Removed.
2658 (flag_prefetch_loop_arrays): Do not specify the value.
2660 * doc/passes.texi: Update documentation of loop optimizer
2662 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2663 -frerun-loop-opt): Remove.
2665 2006-02-26 Richard Guenther <rguenther@suse.de>
2667 PR tree-optimization/26421
2668 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2669 in function calls that are ADDR_EXPRs as using the whole structure.
2671 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2673 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2674 * tree-pass.h (pass_loop_optimize): Remove.
2675 * passes.c (pass_loop_optimize): Never run it.
2676 * toplev.c (backend_init): Don't call init_loop.
2677 * opts.c (flag_loop_optimize_set): Remove.
2678 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2679 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2680 the old RTL loop optimizer when profiling enabled.
2681 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2682 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2683 pre-headers for the sake of the old RTL loop optimizer.
2684 * Makefile.in: Remove all references to loop.o.
2686 * doc/invoke.texi: Remove all references to -floop-optimize
2687 and -frerun-loop-opt.
2689 2006-02-26 Zack Weinberg <zackw@panix.com>
2691 * doc/md.texi (Machine Constraints): Refer to all files with paths
2692 relative to gcc directory (i.e. config/CPU/file). Add missing
2693 @table @code ... @end table to M32C subsection.
2695 2006-02-26 Roger Sayle <roger@eyesopen.com>
2697 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2699 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2701 2006-02-26 Roger Sayle <roger@eyesopen.com>
2702 James A. Morrison <phython@gcc.gnu.org>
2705 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2706 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2707 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2708 signedness of the shift operation.
2710 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2712 PR tree-optimization/26359
2713 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2715 2006-02-25 Roger Sayle <roger@eyesopen.com>
2717 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2718 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2719 as X == 0, and some symmetry related transformations.
2720 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2722 2006-02-25 Roger Sayle <roger@eyesopen.com>
2725 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2726 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2727 symmetry related transformations. Fold (X^C1) == C2 as
2730 2006-02-25 Juergen Weigert <jw@suse.de>
2731 Richard Guenther <rguenther@suse.de>
2733 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2735 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2737 * combine.c (gen_lowpart_or_truncate): Call
2738 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2740 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2742 * doc/invoke.texi: Move -fopenmp description to "Options for
2744 Remove reference to -lgomp.
2746 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2748 * doc/install.texi: Require GNU tar version 1.14.
2750 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2752 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2753 * doc/invoke.texi (C++ Dialect Options): Document
2754 -fno-use-cxa-get-exception-ptr.
2755 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2756 * configure: Regenerate.
2757 * c.opt (fuse-cxa-get-exception-ptr): New.
2758 * c-opts.c (c_common_handle_option): Handle
2759 OPT_fuse_cxa_get_exception_ptr.
2760 * c-common.c (flag_use_cxa_atexit): Update documentation.
2761 (flag_use_cxa_get_exception_ptr): New.
2762 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2763 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2765 (C_COMMON_OVERRIDE_OPTIONS): New.
2767 2006-02-24 Roger Sayle <roger@eyesopen.com>
2770 * combine.c (try_combine): Explicitly check whether GET_CODE is
2771 a SET or a CLOBBER, instead on checking that it isn't a USE.
2773 2006-02-24 Roger Sayle <roger@eyesopen.com>
2775 * fold-const.c (fold_comparison): New subroutine of fold_binary
2776 containing transformations common to both the equality and
2777 ordering relational operators, factored out of fold_binary.
2778 (fold_binary): Separate out the equality operators (EQ_EXPR
2779 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2780 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2781 transformations common to both.
2782 (fold_div_compare): Fix latent bugs in the previously unreachable
2783 LT_EXPR and GE_EXPR cases.
2785 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2787 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2788 decl libname for clog to __clog on AIX.
2790 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2792 2006-02-24 Alan Modra <amodra@bigpond.net.au>
2795 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
2796 output traceback table for thunks. Localise rs6000_stack_info call.
2798 2006-02-23 Roger Sayle <roger@eyesopen.com>
2799 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2801 * gthr-posix.h (__gthrw): Fix typo in comment.
2803 2006-02-23 Geoffrey Keating <geoffk@apple.com>
2805 * doc/cpp.texi (Character sets): Document that we do support
2806 input files to be in any character set.
2808 2006-02-23 Jeff Law <law@redhat.com>
2810 * tree.h (PHI_ARG_NONZERO): Remove.
2811 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
2812 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
2813 node to the new node.
2815 PR tree-optimization/26425
2816 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
2817 min/max, then assume its varying.
2819 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2821 PR rtl-optimization/26316
2822 * rtlanal.c (enum may_trap_p_flags): New.
2823 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
2824 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
2825 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
2826 (may_trap_after_code_motion_p): New function.
2827 * loop-invariant.c (find_identical_invariants): Fix dump formating.
2828 (find_invariant_insn): Use may_trap_after_code_motion_p.
2829 * rtl.h (may_trap_after_code_motion_p): Declare.
2831 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2833 * emit-rtl.c (immed_double_const): Cleanup.
2835 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
2837 Fix PR tree-optimization/26376
2838 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
2841 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2844 * gimplify.c (omp_add_variable): Guard variable size decl test with
2845 DECL_SIZE (decl) check.
2847 2006-02-23 Richard Guenther <rguenther@suse.de>
2850 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
2851 like aggregate types.
2853 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2855 * configure.ac: Add --with{,out}-long-double-128 configure option.
2856 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
2857 * configure: Rebuilt.
2858 * config.in: Rebuilt.
2859 * doc/install.texi (Options specification): Document
2860 --with-long-double-128.
2862 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2863 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2864 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2865 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2867 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
2869 * config/s390/s390.c (override_options): Handle
2870 TARGET_DEFAULT_LONG_DOUBLE_128.
2872 * config/alpha/alpha.c (override_options): Handle
2873 TARGET_DEFAULT_LONG_DOUBLE_128.
2875 * config/sparc/sparc.c (sparc_override_options): Handle
2876 TARGET_DEFAULT_LONG_DOUBLE_128.
2878 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
2880 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
2881 (real-install-headers-tar, real-install-headers-cpio)
2882 (real-install-headers-cp): New targets.
2884 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2886 * tree.h (variable_section): Delete.
2887 * varasm.c (variable_section): Delete.
2889 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2891 * install.texi: Add notes on install.texi2html.
2892 (Building in parallel): Do not use footnotes.
2894 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2897 * doc/install.texi (Configuration): Document --disable-libgomp.
2899 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2901 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2903 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2905 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2906 (vec_extractv2df_0_sse): New.
2908 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2910 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2911 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2912 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2913 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2914 to the result of the expression.
2915 (def_cfa_1): Adjust.
2916 (frame_pointer_cfa_offset): Rename to...
2917 (frame_pointer_fb_offset): ... this. Adjust all uses.
2918 (convert_cfa_to_loc_list): Rename to...
2919 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2920 Pass it on to build_cfa_loc.
2921 (compute_frame_pointer_to_cfa_displacement): Rename to...
2922 (compute_frame_pointer_to_fb_displacement): ... this. New
2923 offset parameter. Use it in computation.
2924 (gen_subprogram_die): Compute cfa_fb_offset with the new
2925 macro, and use it to compute the fb loc list and the
2928 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2930 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2931 replaced with register_operand.
2932 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2933 non-DREG is expensive.
2934 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2935 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2938 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2940 * doc/install.texi2html: Use set -e.
2942 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2944 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2945 (ASM_OUTPUT_SHARED_LOCAL): Delete.
2946 * doc/invoke.texi (-fshared-data): Delete.
2947 * common.opt (fshared-data): Delete.
2948 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
2949 (assemble_static_space): Remove #if 0 code.
2950 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2951 (ASM_OUTPUT_SHARED_LOCAL): Poison.
2952 * config/cris/cris.h: Remove FIXME.
2954 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
2956 * doc/sourcebuild.texi (Front End Directory): No more double-colon
2959 2006-02-21 Jakub Jelinek <jakub@redhat.com>
2962 * combine.c (simplify_shift_const_1): Disable nested shifts
2963 optimization for vector shifts.
2965 2006-02-20 Roger Sayle <roger@eyesopen.com>
2967 PR tree-optimization/26361
2968 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
2969 of unsigned integer types.
2971 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2973 * tree-chrec.c (eq_evolutions_p): New.
2974 * tree-chrec.h (eq_evolutions_p): Declared.
2975 * tree-data-ref.c: Fix formatting.
2976 (datadep_stats, dependence_stats): New.
2978 (print_direction_vector): New.
2979 (dump_data_dependence_relation): Use print_direction_vector.
2980 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2981 (compute_subscript_distance): Static.
2982 (initialize_data_dependence_relation): Static. Get the number
2983 of loops surrounding the references from the callers, and initialize
2984 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2985 base_object_differ_p analyzers.
2986 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2987 compute_overlap_steps_for_affine_1_2,
2988 analyze_subscript_affine_affine): Count the classified dependences.
2989 Print a message when a test failed.
2990 (can_use_analyze_subscript_affine_affine): New.
2991 (analyze_siv_subscript): Compute the data dependences on symbolic
2992 scevs that verify can_use_analyze_subscript_affine_affine.
2993 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
2994 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
2995 Handle symbolic scevs.
2996 (analyze_overlapping_iterations): Let symbolic affine scevs to be
2998 (subscript_dependence_tester): Moved...
2999 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3000 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3001 DDR_SIZE_VECT instead of getting it in parameter.
3002 (subscript_dependence_tester): ... here. Take as a parameter
3003 loop_nest_depth. Call build_classic_dist_vector and
3004 build_classic_dir_vector.
3005 (compute_affine_dependence): Update subscript_dependence_tester
3006 parameters. Update datadep_stats counters. Call
3007 compute_subscript_distance.
3008 (compute_self_dependence): Save the dist and dir vectors. Call
3009 compute_subscript_distance.
3010 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3011 (compute_all_dependences): Reorder parameters as they were before
3012 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3013 compute_subscript_distance. Update the use of
3014 compute_affine_dependence and initialize_data_dependence_relation.
3015 (find_data_references_in_loop): Handle COMPONENT_REF.
3016 (compute_data_dependences_for_loop): Initialize dependence_stats.
3017 Don't call build_classic_dist_vector and build_classic_dir_vector.
3018 Update the parameters of initialize_data_dependence_relation and
3019 compute_all_dependences. Print the statistics from datadep_stats.
3020 (analyze_all_data_dependences): Static. Not used until the pass for
3021 checking the data dependences is contributed.
3022 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3023 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3024 (initialize_data_dependence_relation, compute_affine_dependence,
3025 analyze_all_data_dependences, compute_subscript_distance): Removed.
3026 (print_direction_vector): New.
3027 * lambda.h (gcd): ... here.
3028 (lambda_vector_gcd): Moved here from gcd_vector.
3029 * lambda-code.c (gcd, gcd_vector): Removed.
3030 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3031 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3033 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3035 * ipa-type-escape.c: Tidy some comments and white space.
3036 * tree-ssa-operands.c: Likewise.
3038 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3041 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3042 (dump_decl_name): Do not walk the decl tree chains.
3043 * tree-pass.h (TDF_CHAIN): Remove.
3045 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3047 * Makefile.in (C): Remove
3049 (.PHONY): Remove C and PROTO
3051 2006-02-20 Roger Sayle <roger@eyesopen.com>
3054 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3055 deprecated CHAR_TYPE tree code.
3057 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3059 * configure.ac (target_list): Add install-info, dvi, html.
3060 * configure: Regenerate.
3062 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3063 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3064 treelang/Make-lang.in: Do not use double-colon rules.
3066 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3068 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3069 (TMT_USED_ALONE): New macro.
3070 * tree-pass.h (PROP_tmt_usage): New property.
3071 (TODO_update_tmt_usage): New todo.
3072 * tree-ssa-alias.c (updating_used_alone): New variable.
3073 (recalculate_used_alone): New function.
3074 (compute_may_aliases): Set updating_used_alone, call
3075 recalculate_used_alone.
3076 * tree-sra.c (pass_sra): Note that this pass destroys
3077 PROP_tmt_usage, and add TODO_update_tmt_usage.
3078 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3079 * tree-flow.h (updating_used_alone): Prototype.
3080 (recalculate_used_alone): Ditto.
3081 * passes.c (execute_todo): Add code to set updating_used_alone,
3082 and call recalculate.
3083 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3084 for clobber if used alone, and add assert to verify used_alone
3087 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3089 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3090 for non tls symbols added.
3091 (legitimize_address): Do nothing for PLUS expressions if one of the
3092 addends is a tls symbol reference.
3094 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3098 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3100 * Makefile.in (BOOTSTRAPPING): New.
3101 (quickstrap): New definition if BOOTSTRAPPING=yes.
3103 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3104 * configure.ac: Substitute all_selected_languages with the languages
3105 that were configured. For all the other variables except
3106 lang_specs_files, include all the languages in the tree.
3107 * configure: Regenerate.
3109 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3110 if there is one. Run the commands to run fixincludes in the same
3113 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3114 * doc/install.texi: Document exact conventions for searching target tools.
3115 Document --with-build-time-tools. Document toplevel bootstrap. Document
3116 something more about building an Ada cross-compiler. Don't list GNU Make
3117 requirements which affect all platforms.
3119 2006-02-19 Roger Sayle <roger@eyesopen.com>
3122 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3123 only equivalent if the have both the same mode and precision.
3125 2006-02-20 Ben Elliston <bje@au.ibm.com>
3127 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3129 2006-02-19 Roger Sayle <roger@eyesopen.com>
3130 Steven Bosscher <stevenb.gcc@gmail.com>
3132 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3133 constant pool references to identify stack mode constants.
3134 * rtlanal.c (constant_pool_constant_p): New predicate to check
3135 whether operand is a floating point constant in the pool.
3136 * rtl.h (constant_pool_constant_p): Prototype here.
3137 * loop.c (scan_loop): Avoid hoisting constants from the constant
3138 pool on STACK_REGS targets.
3139 (load_mems): Likewise.
3140 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3141 loads into x87 registers expensive in terms of register pressure.
3143 2006-02-19 Roger Sayle <roger@eyesopen.com>
3145 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3146 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3148 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3150 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3151 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3153 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3155 * doc/invoke.texi: Document -fipa-pta.
3156 * common.opt: Add ipa-pta option.
3157 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3158 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3159 (do_ds_constraint): Ditto.
3160 (get_constraint_for): Only add to referenced_vars if
3161 referenced_vars exists.
3162 (insert_into_field_list): Rewrite to do this unsorted.
3163 (insert_into_field_list_sorted): Rename old insert_into_field_list
3165 (create_function_info_for): Use insert_into_field_list_sorted.
3166 (create_variable_info_for): Rewrite so it uses unsorted version,
3167 since the field list is sorted.
3168 (intra_create_variable_infos): Only add to referenced_vars if
3169 referenced_vars exists.
3170 (ipa_pta_execute): Init heapvars, and delete when done.
3171 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3173 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3175 * doc/install.texi: Add missing `@samp'.
3177 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3179 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3182 2006-02-18 Mark Wielaard <mark@klomp.org>
3184 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3185 who added new 4.1 features, bug fixes and integration support.
3187 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3190 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3193 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3195 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3196 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3197 (copy_insn_1): Likewise. Don't copy each field individually.
3199 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3201 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3202 * rtl.c (rtx_size): Rename variable to...
3203 (rtx_code_size): ...this.
3204 (rtx_size): New function.
3205 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3206 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3208 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3209 * rtl.h (rtx_code_size): New variable.
3210 (rtx_size): Change from a variable to a function.
3211 (RTX_SIZE): Rename to...
3212 (RTX_CODE_SIZE): ...this.
3215 PR tree-optimization/17106
3216 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3217 (Anchored Addresses): New section.
3218 * doc/invoke.texi (-fsection-anchors): Document.
3219 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3220 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3221 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3222 * hooks.c (hook_bool_mode_rtx_false): New function.
3223 * hooks.h (hook_bool_mode_rtx_false): Declare.
3224 * gengtype.c (create_optional_field): New function.
3225 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3226 SYMBOL_REF_IN_BLOCK_P is true.
3227 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3228 (min_anchor_offset, max_anchor_offset): Likewise.
3229 (use_anchors_for_symbol_p): New hook.
3230 * toplev.c (compile_file): Call output_object_blocks.
3231 (target_supports_section_anchors_p): New function.
3232 (process_options): Check that -fsection-anchors is only used on
3233 targets that support it and when -funit-at-a-time is in effect.
3234 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3235 if the decl doesn't have one.
3236 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3237 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3238 of force_const_mem through use_anchored_address.
3239 (expand_expr_constant): New function.
3240 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3241 calling expand_expr for INDIRECT_REF.
3242 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3243 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3244 * expr.h (use_anchored_address): Declare.
3245 * loop-unroll.c: Don't declare rtx vectors here.
3246 * explow.c: Include output.h.
3247 (validize_mem): Call use_anchored_address.
3248 (use_anchored_address): New function.
3249 * common.opt (-fsection-anchors): New switch.
3250 * varasm.c (object_block_htab, anchor_labelno): New variables.
3251 (hash_section, object_block_entry_eq, object_block_entry_hash)
3252 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3253 (use_blocks_for_decl_p, change_symbol_section): New functions.
3254 (get_variable_section): New function, split out from assemble_variable.
3255 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3256 use_blocks_for_decl_p say so. Use change_symbol_section if the
3257 symbol has already been created.
3258 (assemble_variable_contents): New function, split out from...
3259 (assemble_variable): ...here. Don't output any code for
3260 block symbols; just pass them to place_block_symbol.
3261 Use get_variable_section and assemble_variable_contents.
3262 (get_constant_alignment, get_constant_section, get_constant_size): New
3263 functions, split from output_constant_def_contents.
3264 (build_constant_desc): Create a block symbol if use_object_blocks_p
3265 says so. Or into SYMBOL_REF_FLAGS.
3266 (assemble_constant_contents): New function, split from...
3267 (output_constant_def_contents): ...here. Don't output any code
3268 for block symbols; just pass them to place_section_symbol.
3269 Use get_constant_section and get_constant_alignment.
3270 (force_const_mem): Create a block symbol if use_object_blocks_p and
3271 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3272 (output_constant_pool_1): Add an explicit alignment argument.
3273 Don't switch sections here.
3274 (output_constant_pool): Adjust call to output_constant_pool_1.
3275 Switch sections here instead. Don't output anything for block symbols;
3276 just pass them to place_block_symbol.
3277 (init_varasm_once): Initialize object_block_htab.
3278 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3279 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3280 (place_block_symbol, get_section_anchor, output_object_block)
3281 (output_object_block_htab, output_object_blocks): New functions.
3282 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3283 (TARGET_ASM_OUT): Include it.
3284 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3285 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3286 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3287 (TARGET_INITIALIZER): Include them.
3288 * rtl.c (rtl_check_failed_block_symbol): New function.
3289 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3290 (block_symbol, object_block): New structures.
3291 (rtx_def): Add a block_symbol field to the union.
3292 (BLOCK_SYMBOL_CHECK): New macro.
3293 (rtl_check_failed_block_symbol): Declare.
3294 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3295 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3296 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3297 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3298 * output.h (output_section_symbols): Declare.
3299 (object_block): Name structure.
3300 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3301 (default_use_anchors_for_symbol_p): Declare.
3302 * Makefile.in (RTL_BASE_H): Add vec.h.
3303 (explow.o): Depend on output.h.
3304 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3305 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3306 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3307 (rs6000_use_blocks_for_constant_p): New function.
3309 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3311 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3313 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3316 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3319 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3321 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3325 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3328 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3329 instead of DECL_REGISTER.
3331 2006-02-18 Olivier Hainque <hainque@adacore.com>
3334 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3336 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3339 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3340 * opth-gen.awk: Handle Var and InverseMask together.
3341 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3342 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3343 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3344 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3346 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3347 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3348 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3349 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3350 LINUX_DYNAMIC_LINKER): Define.
3351 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3352 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3354 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3355 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3356 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3357 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3358 (TARGET_C99_FUNCTIONS): Don't define.
3359 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3360 GLIBC_DYNAMIC_LINKER.
3361 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3362 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3363 GLIBC_DYNAMIC_LINKER64): Define.
3364 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3365 LINUX_DYNAMIC_LINKER64.
3366 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3367 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3368 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3369 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3370 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3371 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3372 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3373 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3374 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3375 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3376 and LINUX_DYNAMIC_LINKER32.
3377 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3378 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3379 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3380 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3381 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3383 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3384 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3385 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3386 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3387 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3388 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3389 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3390 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3391 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3392 LINUX_DYNAMIC_LINKER): Define.
3393 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3394 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3395 GLIBC_DYNAMIC_LINKER64): Define.
3396 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3397 LINUX_DYNAMIC_LINKER64.
3398 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3399 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3400 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3401 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3402 LINUX_DYNAMIC_LINKER): Define.
3403 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3404 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3405 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3406 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3407 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3408 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3409 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3410 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3411 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3412 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3413 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3414 * doc/invoke.texi (-muclibc): Remove caveat about supported
3417 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3419 * doc/cpp.texi (__TIMESTAMP__): Document.
3421 2006-02-17 Roger Sayle <roger@eyesopen.com>
3424 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3425 C is one less than the width of X (and related transformations).
3426 * simplify-rtx.c (simplify_unary_operation_1): Transform
3427 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3428 depending on STORE_FLAG_VALUE, were C is one less then the
3431 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3433 Fix PR tree-optimization/26341
3434 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3435 about NAME_MEMORY_TAG's.
3437 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3440 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3441 with hardware float support, and software float support. Add fcpy
3442 alternative to hardware patterns. Add alternatives to copy between
3443 general and floating-point registers to the 32-bit pattern.
3444 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3445 secondary reload to load a QI or HI mode constant into a floating
3447 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3448 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3450 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3453 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3455 (load_macho_picbase_di): Likewise.
3457 2006-02-16 Jeff Law <law@redhat.com>
3459 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3460 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3461 (ssa_name_nonzero_p): Likewise.
3462 (get_value_range): Return NULL if VRP is not running.
3463 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3464 VRP routines do not discover a range.
3465 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3466 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3467 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3468 (tree_expr_nonnegative_p): Similarly.
3469 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3470 (restore_nonzero_vars_to_original_value): Remove.
3471 (unsafe_associative_fp_binop): Remove.
3472 (tree_ssa_dominator_optimize): Remove initialization and
3473 finalization of nonzero_vars and nonzero_vars_stack.
3474 (dom_opt_initialize_block): No longer push marker on
3476 (dom_opt_finalize_block): No longer call
3477 restore_nonzero_vars_to_original_value.
3478 (record_equivalences_from_phis): No longer look for
3479 nonzero PHI arguments.
3480 (cprop_into_successor_phis): No longer propagate nonzero
3481 property into PHI arguments. Lose unused argument. Caller
3483 (record_equivalences_from_stmt): No longer record nonzero
3484 values for SSA_NAMEs.
3485 (lookup_avail_expr): No longer use nonzero_vars.
3487 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3488 for sizetype when sizetype is unsigned.
3490 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3492 PR rtl-optimization/25603
3493 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3494 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3495 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3496 with new meaning of SETS.
3498 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3503 * config/linux.opt: New file.
3504 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3505 LINUX_DYNAMIC_LINKER): Define.
3506 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3507 * config.gcc (*-*-linux*): Define extra_options.
3508 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3509 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3510 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3511 GLIBC_DYNAMIC_LINKER.
3512 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3513 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3514 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3515 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3516 * doc/invoke.texi (GNU/Linux Options): New section.
3518 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3520 * config/sparc/sparc.md (setjmp): Rewrite.
3521 (setjmp_32): Delete.
3522 (setjmp_64): Likewise.
3524 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3526 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3529 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3531 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3534 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3536 PR rtl-optimization/26296
3537 * Makefile.in (loop-invariant.c): Add except.h dependency.
3538 * loop-invariant.c: Include except.h.
3539 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3541 2005-02-16 Paul Brook <paul@codesourcery.com>
3543 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3546 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3548 PR rtl-optimization/25636
3549 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3550 when deciding whether an insn is an initializing insn.
3552 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3554 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3555 (tree_code_size): Ditto.
3556 * tree.h (struct tree_memory_tag): Remove parent_var.
3557 (struct tree_struct_field_tag): New.
3560 (union tree_node): Add sft member.
3561 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3563 (create_sft): Add size and offset argument, set SFT_OFFSET and
3565 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3566 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3567 * tree-flow-inline.h (get_subvar_at): Update for
3568 SFT_OFFSET/SFT_SIZE.
3569 (var_can_have_subvars): Ditto.
3570 (overlap_subvar): Ditto.
3571 * print-tree.c (print_node): Print out interesting things for
3573 * tree-flow.h (struct subvar): Remove offset and size members.
3574 * tree-ssa-operands.c (get_expr_operands): Update for
3575 get_indirect_ref_operands changes.
3576 (get_indirect_ref_operands): Call add_virtual_operand instead of
3577 add_stmt_operand. Only recurse on base var if requested.
3578 (access_can_touch_variable): New function.
3579 (add_stmt_operand): Split virtual operand handling into ...
3580 (add_virtual_operand): Here. Add offset, size, and for_clobber
3581 arguments. Prune alias sets.
3582 (add_call_clobber_ops): Call add_virtual_operand.
3584 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3587 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3589 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3590 than TREE_CODE as index into omp_clause_num_ops array.
3592 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3594 PR rtl-optimization/26184
3595 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3597 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3598 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3599 must_precede, must_follow and tobe_scheduled.
3602 * opts.c (common_handle_option): Free new_option pointer.
3603 * df-core.c (df_analyze): Free postorder pointer.
3605 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3607 * Makefile.in: Fix the examples about the use of stamps
3609 2006-02-15 Michael Matz <matz@suse.de>
3613 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3614 influenced by maximum_field_alignment or DECL_PACKED.
3615 (update_alignment_for_field): Ditto.
3616 (place_field): Ditto.
3617 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3620 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3622 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3623 (debug_flow_info): Pass it.
3624 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3625 * bb-reorder.c (reorder_basic_blocks): Likewise.
3626 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3627 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3628 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3629 * gcse.c (gcse_main, bypass_jumps): Likewise.
3630 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3631 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3632 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3633 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3634 * rtl.h (dump_flow_info): Adjust prototype.
3635 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3636 * var-tracking.c (variable_tracking_main): Likewise.
3637 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3638 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3641 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3643 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3646 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3648 PR tree-optimization/26209
3649 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3650 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3652 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3654 2006-02-14 Roger Sayle <roger@eyesopen.com>
3657 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3658 (X,Y) and the corresponding symmetry related transformations.
3659 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3660 (X,Y) and its symmetry related transformations.
3662 2006-02-14 Roger Sayle <roger@eyesopen.com>
3664 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3667 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3669 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3671 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3674 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3675 support COMDAT group.
3676 * configure: Regenerate.
3678 2006-02-14 Roger Sayle <roger@eyesopen.com>
3683 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3685 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3687 Fix PR tree-optimization/26260
3689 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3691 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3692 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3693 * tree-ssa-structalias.c (create_variable_info_for): Use
3694 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3696 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3698 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3700 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3701 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3702 of the ending condition.
3703 * tree-ssa-loop-manip.c: Include params.h.
3704 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3705 tree_unroll_loop): New functions.
3706 * tree-pass.h (pass_loop_prefetch): Declare.
3707 * loop.c (rest_of_handle_loop_optimize): Test for
3708 -fprefetch-loop-arrays-rtl.
3709 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3710 * timevar.def (TV_TREE_PREFETCH): New timevar.
3711 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3712 pass_loop_prefetch): New.
3713 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3714 (cleanup_tree_cfg_loop): Call scev_reset.
3715 * common.opt (fprefetch-loop-arrays-rtl): Add.
3716 * tree-ssa-loop-prefetch.c: New file.
3717 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3718 (new_temp_expr_table): Initialize expr_vars.
3719 (free_temp_expr_table): Cleanup expr_vars.
3720 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3721 expressions from being merged into one.
3722 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3723 (struct tree_niter_desc): Add control, bound and cmp fields.
3724 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3726 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3727 (tree-cfgcleanup.o): Add SCEV_H dependency.
3728 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3729 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3731 2006-02-14 Richard Guenther <rguenther@suse.de>
3733 PR tree-optimization/26258
3734 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3735 in PHI argument processing.
3737 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3739 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3740 new expression in the requested machine mode.
3742 2006-02-13 Roger Sayle <roger@eyesopen.com>
3744 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3745 directly, instead let do_compare_rtx_and_jump handle this for us.
3746 * expr.c (expand_expr_real_1): Likewise.
3747 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3748 before do_jump_by_parts_greater.
3749 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3750 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3752 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3754 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3756 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3758 PR rtl-optimization/26235
3759 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3760 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3763 2006-02-13 Jeff Law <law@redhat.com>
3765 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3768 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3771 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3772 twice if decl is a builtin. When trying again, call get_callee_fndecl
3773 first to verify it is still a builtin.
3775 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3777 * dwarf2out.c (base_type_die): Don't add AT_name here.
3778 (subrange_type_die): Don't add AT_name here.
3779 (modified_type_die): Rearrange code flow. Do add AT_name here.
3781 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3783 PR rtl-optimization/26247
3784 PR rtl-optimization/26248
3785 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3787 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3789 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3790 * config/fixtfdi.c: Likewise.
3791 * config/fixunstfdi.c: Likewise.
3792 * config/floatditf.c: Likewise.
3794 2006-02-13 Roger Sayle <roger@eyesopen.com>
3797 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
3798 into (X,C2) if C1 is a subset of the bits of C2. Transform
3799 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
3801 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
3803 2006-02-13 Josh Conner <jconner@apple.com>
3806 * varasm.c (function_section): Check for section name before
3807 calling select_section on targets that define
3808 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
3809 unlikely_text_section instead of hot_function_section if
3810 first_function_block_is_cold.
3812 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
3815 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
3817 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3819 PR rtl-optimization/26222
3820 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
3821 after tree->rtl expansion.
3822 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
3823 before passing it to emit_move_insn.
3825 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
3827 * doc/invoke.texi (-Write-strings): Document that it is enabled by
3829 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
3830 Clarify documentation.
3831 * c-common.h (warn_write_strings): Remove.
3832 * c-common.c (warn_write_strings): Likewise.
3833 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
3836 2006-02-12 Roger Sayle <roger@eyesopen.com>
3839 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
3840 (do_jump_parts_zero_rtx): New function renamed from
3841 do_jump_parts_equality_rtx. Made static. Add a mode argument.
3842 (do_jump_parts_equality_rtx): New function split out from
3843 do_jump_parts_equality. Old implementation renamed as above.
3844 Call do_jump_parts_zero_rtx if either operand is zero.
3845 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
3846 do all of the heavy lifting.
3847 (do_compare_rtx_and_jump): Handle multi-word comparisons by
3848 calling either do_jump_by_parts_greater_rtx or
3849 do_jump_by_parts_equality_rtx.
3850 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
3851 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
3852 moved to do_compare_rtx_and_jump, call it directly.
3853 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
3854 mode argument. Call do_compare_rtx_and_jump.
3855 (emit_case_nodes): Update calls to do_jump_if_equal.
3857 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3859 PR rtl-optimization/26225
3860 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
3862 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3864 PR rtl-optimization/26232
3865 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
3867 2006-02-11 Jason Merrill <jason@redhat.com>
3870 * tree-inline.c (declare_return_variable): Just don't use the
3871 modify target if it's a gimple complex reg and the return slot
3874 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3876 * doc/contrib.texi: Update my entry.
3878 2006-02-10 Geoffrey Keating <geoffk@apple.com>
3880 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
3882 2006-02-10 Diego Novillo <dnovillo@redhat.com>
3884 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3887 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3889 * doc/invoke.texi (-floop-optimize2): Removed.
3890 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3891 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3892 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3893 * common.opt (floop-optimize2): Removed.
3894 (fmove-loop-invariants): Enabled by default.
3896 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3898 * tree-if-conv.c (combine_blocks): Free the result of
3899 get_loop_exit_edges.
3901 2006-02-10 Jeff Law <law@redhat.com>
3903 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3905 PR tree-optimization/26213
3906 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3907 loop trying to follow SSA_NAME_VALUE chains.
3909 2006-02-10 Richard Guenther <rguenther@suse.de>
3911 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3912 deal with structures that end in implicitly variable sized arrays.
3914 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3916 PR rtl-optimization/24762
3917 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3920 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3922 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3923 (struct ivopts_data): Add regs_used field.
3924 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3925 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3926 instead of loop_data->regs_used;
3927 (free_loop_data): Do not free aux fields for loops.
3928 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3929 and tree_ssa_iv_optimize_finalize.
3931 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3933 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3935 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3938 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3939 computing the effective result type.
3941 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3944 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
3945 (tree_overlaps_hard_reg_set): Declare.
3946 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
3947 type and signature to match function type expected by walk_tree.
3948 (tree_overlaps_hard_reg_set): New function.
3949 (decl_conflicts_with_clobbers_p): Rename to:
3950 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
3951 Use tree_overlaps_hard_reg_set. Changed caller.
3952 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
3953 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
3954 * cris.c (cris_md_asm_clobbers): Likewise.
3956 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
3958 * reload1.c (emit_input_reload_insns): Delete code that tries to
3959 inherit using find_equiv_reg.
3961 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3963 * c-common.h (flag_const_strings): Don't declare.
3964 * c-common.c (flag_const_strings): Remove.
3965 * c.opt (fconst_strings): Remove.
3966 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
3967 <OPT_Wwrite_strings>: Don't set flag_const_strings.
3968 (c_common_init_options): Don't set flag_const_strings.
3969 * doc/invoke.texi (-fno-const-strings): Remove documentation.
3971 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3973 * arm.md (tlobits_cbranch): New pattern.
3974 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3975 testing a single bit.
3977 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3980 * tree-ssa-pre.c (create_component_ref_by_pieces):
3981 Handle RETURN_DECL like VAR_DECL.
3983 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3986 * fold-const.c (fold_indirect_ref_1): Fold
3987 "*(foo *)&complexfoo" to "__real__ complexfoo"
3988 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3990 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3992 * tree-flow-inline.h (var_can_have_subvars):
3993 Volatile variables should not have subvariables.
3995 2006-02-09 Diego Novillo <dnovillo@redhat.com>
3998 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
3999 multiplying unsigned values.
4002 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4004 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4006 2006-02-08 Jason Merrill <jason@redhat.com>
4009 * tree.def: Elaborate on difference from MODIFY_EXPR.
4010 * doc/c-tree.texi (INIT_EXPR): Likewise.
4011 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4012 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4013 (gimplify_target_expr): Likewise.
4014 (gimplify_cond_expr): Remove target handling.
4015 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4016 (gimplify_expr): Clobber it here.
4017 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4018 Do return slot optimization if we have an INIT_EXPR.
4021 * tree-inline.c (declare_return_variable): Also clear
4022 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4025 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4028 * gimplify.c (gimplify_one_sizepos): Fix typo.
4030 2006-02-08 Jeff Law <law@redhat.com>
4032 PR tree-optimization/21417
4033 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4034 across a backedge if the control statement at the end of the
4035 block is data dependent on other statements in the same block.
4036 (record_temporary_equivalences_from_stmts): Remove over-conservative
4037 test for threading across backedges.
4039 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4040 control statement, handle all three special cases in the same
4041 manner as they all have the same desired solution. No longer
4042 special case edge flag updating when the post dominator is
4045 2006-02-08 Roger Sayle <roger@eyesopen.com>
4047 * tree.def (CHAR_TYPE): Remove.
4048 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4049 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4050 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4051 (gen_string_type_die): Delete unreachable function.
4053 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4054 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4055 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4056 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4057 * builtins.c (type_to_class): Likewise.
4058 * fold-const.c (fold_convert, build_range_check,
4059 merge_ranges): Likewise.
4060 * expr.c (count_type_elements): Likewise.
4061 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4062 * stor-layout.c (layout_type): Likewise.
4063 * ipa-type-escape.c (type_to_consider): Likewise.
4064 * gimplify.c (omp_firstprivatize_type_sizes,
4065 gimplify_type_sizes): Likewise.
4066 * explow.c (promote_mode): Likewise.
4067 * tree-sra.c (is_sra_scalar_type): Likewise.
4068 * varasm.c (output_constant): Likewise.
4069 * tree-inline.c (remap_type_1): Likewise.
4070 * convert.c (convert_to_pointer, convert_to_real,
4071 convert_to_integer, convert_to_complex): Likewise.
4073 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4075 * df-scan.c (df_def_record_1): A set destination may
4076 be a parallel regardless of mode.
4078 2006-02-08 Roger Sayle <roger@eyesopen.com>
4081 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4082 * config/mips/_tilib.c: Remove.
4083 * config/fixtfdi.c: New libgcc source file.
4084 * config/fixunstfdi.c: New source file.
4085 * config/floatditf.c: New source file.
4086 * config/floatunditf.c: New souce file.
4087 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4088 files above instead of config/mips/_tilib.c.
4089 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4091 2006-02-08 Jeff Law <law@redhat.com>
4093 PR tree-optimization/26169
4094 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4097 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4099 * df.h (DF_REG_SIZE): Return the length of the initialized
4102 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4104 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4105 __muldf3): Return a correctly signed zero.
4107 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4109 * passes.c (register_one_dump_file): Accept the current properties
4110 instead of pass number. Adjust call to dump_register. Remove
4112 (register_dump_files): Now a wrapper around...
4113 (register_dump_files_1): ... this one. Do not modify the pass
4115 (next_pass_1): Cosmetic fix.
4116 (execute_todo): Keep second parameter only. Use curr_properties
4117 instead of fetching it from the pass structure. Check and set
4119 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4120 instead of fetching it from the pass structure. Fix calls to
4121 execute_todo. Update curr_properties and initialize .vcg RTL dump
4122 after running the pass. Reset last_verified.
4123 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4125 (FIRST_AUTO_NUMBERED_DUMP): New.
4126 (dump_register): Remove "num" parameter, assign it within the
4128 (get_dump_file_name): Modify template for dumps.
4129 * tree-dump.h (dump_register): Adjust prototype.
4130 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4131 (PROP_trees): Add PROP_gimple_lomp.
4132 (TODO_set_props): New.
4133 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4134 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4135 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4137 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4139 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4140 (sparc64-*-linux*): Likewise.
4141 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4142 * config/sparc/t-linux: New file.
4143 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4144 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4145 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4146 -m32 -mlong-double-128.
4148 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4149 * config/alpha/t-linux: New file.
4150 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4152 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4153 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4154 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4155 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4156 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4157 (CPP_ARCH32_SPEC): Remove.
4159 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4161 PR tree-optimization/26145
4162 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4165 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4168 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4169 >= 240000 when generating code for SOM runtime.
4170 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4171 to $$dyncall when generating code for SOM runtime..
4173 2006-02-07 Dirk Mueller <dmueller@suse.com>
4176 * doc/invoke.texi (-Wsequence-point): Update documentation
4177 that -Wsequence-point is implemented for C++ as well.
4179 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4181 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4182 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4183 (LIB_SPEC): Likewise.
4184 * doc/invoke.texi (SPARC options): Document -pthread.
4186 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4188 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4191 2006-02-07 Roger Sayle <roger@eyesopen.com>
4193 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4194 Correct comment describing BOOLEAN_TYPE.
4196 2006-02-07 Dirk Mueller <dmueller@suse.com>
4198 * c.opt: C++ frontend supports -Wdiv-by-zero.
4199 * c-opts.c (c_common_handle_option): Remove dead case.
4201 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4203 * configure.ac (TLS assembler check): Do not enable TLS by
4204 default on SPARC/Solaris before version 10.
4205 * configure: Regenerate.
4207 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4209 * doc/invoke.texi (xl-compat): Document conversion and support
4212 2006-02-07 Jeff Law <law@redhat.com>
4214 * tree-vrp.c (find_conditional_asserts): Update comments.
4215 (simplify_stmt_for_jump_threading): New.
4216 (identify_jump_threads, finalize_jump_threads): New.
4217 (vrp_finalize): Call identify_jump_threads.
4218 (execute_vrp): Call finalize_jump_threads.
4219 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4220 (vrp_element, vrp_data, vrp_element_p): Remove.
4221 (vrp_hash_elt, vrp_variables_stack): Remove.
4222 (vrp_hash, vrp_eq, record_range): Remove.
4223 (simplify_cond_and_lookup_avail_expr): Remove.
4224 (extract_range_from_cond): Remove.
4225 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4226 (simplify_stmt_for_jump_threading): New.
4227 (dom_thread_across_edge): New wrapper.
4228 (tree_ssa_dominator_optimize): No longer initialize or
4229 finalize any of the VRP datastructures. Remove iteration
4230 step and simplify as a result of removal of iteration step.
4231 (pass_dominator): Perform a cfg cleanup after DOM.
4232 (dom_opt_finalize_block): Use the new common routines
4233 for threading jumps. Simplify stack management slightly.
4234 No longer need to unwind VRP state.
4235 (record_equivalences_from_incoming_edge): No longer record
4237 (eliminate_redundant_computations): No longer call
4238 simplify_cond_and_lookup_avail_expr.
4239 * tree-flow.h (potentially_threadable_block): Prototype.
4240 (thread_across_edge): Likewise.
4241 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4242 (tree-ssa-threadedge.o): Add dependencies.
4243 * tree-ssa-threadedge.c: New file.
4244 * passes.c (init_optimization_passes): Merge PHIs before
4245 calling VRP. Run VRP again late in the SSA optimization pipeline.
4247 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4249 * df-core.c (df_set_blocks): Do not dereference function pointers.
4250 (df_finish1): Likewise.
4251 (df_hybrid_search_forward): Likewise.
4252 (df_hybrid_search_backward): Likewise.
4253 (df_iterative_dataflow): Likewise.
4254 (df_analyze_problem): Likewise.
4255 (df_compact_blocks): Likewise.
4256 (df_dump): Likewise.
4257 * df-scan.c (df_rescan_blocks): Likewise.
4258 (df_record_entry_block_defs): Likewise.
4260 * genconditions.c (write_conditions): Guard the definition of
4261 'insn_conditions' with the check on GCC version.
4262 (write_writer): Guard the traversal 'insn_conditions' with
4263 the check on GCC version.
4265 2006-02-07 Richard Guenther <rguenther@suse.de>
4269 2006-01-30 Richard Guenther <rguenther@suse.de>
4271 * gimplify.c (gimplify_target_expr): Handle easy cases
4272 without creating a temporary.
4274 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4276 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4277 use of float in probability computations. Use edge probabilities
4278 in place of statically computed probabilities.
4279 (min_spec_prob): New static variable.
4280 (schedule_insns): Initialize it.
4281 (GET_SRC_PROB): Removed.
4282 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4284 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4287 * config/ia64/unwind-ia64.c: Revert last change.
4288 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4289 (INCOMING_FRAME_SP_OFFSET): Define.
4291 2006-02-06 Roger Sayle <roger@eyesopen.com>
4293 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4295 2006-02-07 Ben Elliston <bje@au.ibm.com>
4297 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4298 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4299 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4300 (ix86_return_in_memory): Handle TDmode.
4301 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4302 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4304 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4306 * reorg.c (dbr_schedule): Use dump_file instead of file.
4308 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4311 * config/ia64/predicates.md (extr_len_operand): New predicate.
4312 * config/ia64/ia64.md (extv): Tighten constraints.
4314 (*tbit_and_2): Ditto.
4315 (*tbit_and_3): Ditto.
4316 (*tbit_or_2): Ditto.
4317 (*tbit_or_3): Ditto.
4321 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4324 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4326 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4328 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4329 loop_optimizer_init and loop_optimizer_finalize
4330 * tree-ssa-sink.c (execute_sink_code): Ditto.
4331 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4332 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4333 tree_ssa_loop_done): Ditto.
4334 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4335 * sched-ebb.c: Include output.h.
4336 (schedule_ebbs): Do not use dump argument.
4337 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4338 * loop.c (loop_dump_stream): Removed.
4339 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4341 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4342 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4343 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4344 loop_iterations, strength_reduce, record_biv, record_giv,
4345 final_giv_value, check_final_value, check_ext_dependent_givs,
4346 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4347 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4348 dump_file instead of loop_dump_stream.
4349 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4351 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4353 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4354 * haifa-sched.c: Include output.h
4355 (schedule_insns, sched_init): Do not use dump argument.
4356 * mode-switching.c (optimize_mode_switching): Ditto.
4357 * modulo-sched.c (stats_file): Removed.
4358 (print_node_sched_params): Do not call argument dump_file.
4359 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4360 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4362 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4364 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4365 rtl_loop_init, rtl_loop_done): Ditto.
4366 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4367 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4369 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4370 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4371 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4372 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4373 * emit-rtl.c (renumber_insns): Ditto.
4374 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4375 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4376 * regclass.c (regclass): Ditto.
4377 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4378 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4379 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4380 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4382 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4383 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4385 * gcse.c (gcse_file, debug_stderr): Removed.
4386 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4387 rest_of_handle_gcse): Do not use dump argument.
4388 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4389 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4390 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4391 compute_code_hoist_vbeinout, compute_code_hoist_data,
4392 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4393 compute_store_table, build_store_vectors, insert_insn_start_bb,
4394 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4395 store_motion): Use dump_file instead of gcse_file.
4396 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4397 * profile.c (profile_dump_file): Removed.
4398 (branch_prob): Use dump_file instead of profile_dump_file.
4399 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4401 * tree-ssa-copy.c (dump_copy_of): Ditto.
4402 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4403 dump file to life_analysis.
4404 * bt-load.c (branch_target_load_optimize): Ditto.
4405 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4407 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4408 regclass, dbr_schedule): Declaration changed.
4409 * sched-int.h (sched_init): Declaration changed.
4410 * tree-profile.c (tree_profile_dump_file): Removed.
4411 (tree_profile_hooks): Removed profile_dump_file hook.
4412 * rtl-profile (rtl_profile_dump_file): Removed.
4413 (rtl_profile_hooks): emoved profile_dump_file hook.
4414 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4416 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4417 * tree-cfg.c (build_tree_cfg): Ditto.
4418 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4419 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4420 Declaration changed.
4421 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4422 life_analysis and schedule_insns.
4423 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4425 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4427 * config/mips/mips.c (mips_reorg): Ditto.
4428 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4431 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4433 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4434 (s390_mangle_fundamental_type): New.
4435 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4438 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4439 (alpha_mangle_fundamental_type): New.
4440 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4443 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4445 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4447 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4448 (sparc_mangle_fundamental_type): New.
4450 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4452 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4453 (s390x-*-linux*): Likewise.
4454 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4455 * config/s390/t-linux: New file.
4457 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4459 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4460 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4462 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4464 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4465 (ANTIC_SAFE_LOADS): New macro.
4466 (find_or_generate_expression): Add prototype.
4467 (set_contains_value): Allow null set for sake of not always having
4468 to allocate ANTIC_SAFE_LOADS.
4469 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4470 Allow COMPONENT_REF too.
4471 (valid_in_set): Allow COMPONENT_REF.
4472 Check ANTIC_SAFE_LOADS too.
4473 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4474 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4476 (can_PRE_operation): Add COMPONENT_REF.
4477 (create_component_ref_by_pieces): New function.
4478 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4479 (insert_aux): Move AGGREGATE_TYPE_P check here.
4480 (compute_avail): Set bb local stmt uids.
4481 (pass_pre): Use TODO_update_ssa_only_virtuals.
4483 2006-02-06 Ben Elliston <bje@au.ibm.com>
4485 * configure.ac: Unconditionally disable decimal float by default.
4486 * configure: Regenerate.
4488 2006-02-06 Ben Elliston <bje@au.ibm.com>
4490 * read-rtl.c (read_name): Terminate reading on EOF.
4492 2006-02-06 Ben Elliston <bje@au.ibm.com>
4494 * dfp.c (decimal_real_arithmetic): Change second argument type
4495 from int to enum tree_code. Do not always return true, but now
4496 return result of any call to decimal_do helper functions.
4497 * dfp.h (decimal_real_arithmetic): Update prototype.
4499 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4501 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4503 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4506 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4509 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4511 * tree-vrp.c (cfg_loops): Removed.
4512 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4513 Use current_loops instead of cfg_loops. Pass flags to
4514 loop_optimizer_init.
4515 * cfgloopmanip.c (fix_loop_structure): Update only available
4517 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4518 loop_optimizer_init.
4519 * modulo-sched.c (build_loops_structure): Removed.
4520 (sms_schedule): Use loop_optimizer_init.
4521 * loop-init.c (loop_optimizer_init): Use flags to determine
4522 which properties of loops to prepare.
4523 (rtl_loop_init): Pass flags to loop_optimizer_init.
4524 * tree-ssa-sink.c (execute_sink_code): Ditto.
4525 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4526 * tree-ssa-pre.c (init_pre): Ditto.
4527 * cfgloop.h (LOOPS_NORMAL): New.
4528 (loop_optimizer_init): Declaration changed.
4530 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4532 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4533 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4535 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4537 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4539 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4540 * pa/t-pa64: Delete quadlib.c rule.
4541 * pa/x-ada: Revert last change.
4542 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4544 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4546 PR rtl-optimization/26087
4547 * rtlanal.c (canonicalize_condition): Do not cross basic block
4550 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4553 * config/ia64/ia64.c: Include debug.h.
4554 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4555 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4556 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4557 (process_epilogue, process_set, process_for_unwind_directive):
4558 Output unwind info only if requested. Add CFA info if requested.
4559 Add new arguments as needed. Adjust callers.
4560 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4562 (DWARF2_FRAME_INFO): Define to zero.
4563 * config/ia64/unwind-ia64.c: Remove code that compensated for
4564 the CFA offset error fixed above.
4565 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4566 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4567 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4568 -funwind-tables and -fexceptions to enable frame info.
4569 (dwarf2out_frame_init): Define initial CFA even if
4570 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4571 DWARF2_UNWIND_INFO is nonzero, not just defined.
4572 (dwarf2out_frame_finish): Output non-EH call frame info only
4573 if DWARF2_FRAME_INFO is nonzero.
4574 (convert_cfa_to_loc_list,
4575 compute_frame_pointer_to_cfa_displacement): Define even if
4576 unwind info is not supported.
4577 (gen_subprogram_die): Use the above unconditionally. Remove
4578 legacy alternate code.
4579 * toplev.c (compile_file): Compile in call to
4580 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4581 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4583 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4584 Jakub Jelinek <jakub@redhat.com>
4586 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4587 IBM extended float format long double as "g" on powerpc*-linux.
4589 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4592 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4593 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4595 2006-02-03 Jason Merrill <jason@redhat.com>
4598 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4601 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4602 on the return slot if it's an NRV.
4604 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4606 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4607 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4608 rewrite_use): Do not handle USE_OUTER.
4609 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4610 add_iv_outer_candidates, may_replace_final_value,
4611 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4612 (find_interesting_uses_op): Functionality of
4613 find_interesting_uses_outer_or_nonlin moved here.
4614 (find_interesting_uses_outside): Use find_interesting_uses_op.
4616 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4619 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4621 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4622 Ulrich Weigand <uweigand@de.ibm.com>
4625 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4626 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4627 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4628 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4630 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4631 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4632 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4633 Define secondary reloads for TFmode moves.
4634 (constant_modes): Add TFmode.
4635 (NR_C_MODES): Set to 8.
4636 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4638 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4639 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4640 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4641 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4642 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4643 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4644 (FPR mode macro): Add TFmode.
4645 (DSF mode macro): New.
4646 (<de>, <dee> mode attributes): Removed.
4647 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4648 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4649 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4650 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4651 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4652 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4653 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4654 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4655 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4656 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4657 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4658 "*negabs<mode>2", "sqrt<mode>2"):
4659 Changed <de> to <xde>. R constraint replaced by <Rf>.
4660 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4662 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4663 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4664 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4666 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4667 "extenddftf2", "extendsftf2"): New expanders.
4668 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4669 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4670 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4671 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4673 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4674 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4675 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4676 __floatditf): Add a GCC_4.1.0 symbol version tag.
4677 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4680 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4683 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4684 Use targetm.binds_local_p instead of TREE_PUBLIC.
4686 2006-02-02 Roger Sayle <roger@eyesopen.com>
4688 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4689 on INTEGER_TYPEs to indicate that it denotes a character type.
4690 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4691 signed_char_type_node, unsigned_char_type_node and char_type_node.
4692 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4693 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4694 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4696 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4697 Daniel Berlin <dberlin@dberlin.org>
4699 * tree-tailcall.c (arg_needs_copy_p): New function.
4700 (eliminate_tail_call): Use arg_needs_copy_p.
4701 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4702 (add_virtual_phis): New function.
4704 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4706 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4707 #ignore instead of #scratch for %g7 .register directive.
4709 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4711 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4714 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4716 * flow.c (calculate_global_regs_live): Assert that there aren't any
4719 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4721 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4723 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4724 bsi_after_labels iterator.
4725 * tree-if-conv.c (find_phi_replacement_condition,
4726 replace_phi_with_cond_modify_expr): Likewise.
4727 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4728 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4730 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4732 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4734 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4737 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4738 array after growing it.
4740 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4743 * fold-const.c (fold_checksum_tree): Change type of buf.
4745 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4747 * reload.c (push_secondary_reload): Initialize t_icode.
4749 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4751 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4752 -msoft-float -mlong-double-128 only issue a warning, but don't
4753 swich to DFmode long double.
4755 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4757 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4758 has a constant equivalent, iterate over equivalents for arg0,
4759 calling simplify_relational_operation and if there's a result
4760 cheaper than X, apply fold_rtx and return the result.
4762 2006-02-01 Jan Hubicka <jh@suse.cz>
4764 * opts.c (no_unit_at_a_time_default): New global variable.
4765 (decode_options): Use it.
4766 * opts.h (no_unit_at_a_time_default): Declare.
4768 2006-02-01 Paul Brook <paul@codesourcery.com>
4770 * function.c (assign_parm_setup_reg): Use function argument promotion
4772 * expr.c (expand_expr_real_1): Use function argument promotion rules
4775 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4777 * gcc.c (process_command): Change j to 'unsigned int'.
4779 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4782 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4783 Use the corrected index for the character
4784 out of the string constant.
4786 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4788 * mode-switching.c (optimize_mode_switching): Fix size
4789 allocated for bb_info[n_entities].
4791 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4793 * gcc.c (main): Correct type that is allocated for
4794 explicit_link_files.
4796 2006-01-31 Jakub Jelinek <jakub@redhat.com>
4798 * config/s390/s390.c (init_alignment_context): Set
4799 ALIAS_SET_MEMORY_BARRIER on the MEM.
4800 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
4802 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
4805 * loop-unroll.c (unroll_loop_runtime_iterations): Free
4807 * tree-ssa-live.c (type_var_init): Allocate bitmap after
4810 2006-01-31 Marcin Dalecki <martin@dalecki.de>
4812 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
4813 * regrename.c: Ditto.
4814 * tree-ssa-loop-im.c: Ditto.
4815 * tree-dump.c: Ditto.
4816 * tree-complex.c: Ditto.
4817 * genrecog.c: Ditto.
4818 * tree-ssa-threadupdate.c: Ditto.
4820 * java/class.c: Ditto.
4821 * java/jcf-parse.c: Ditto.
4822 * java/resource.c: Ditto.
4823 * java/except.c: Ditto.
4824 * java/jvspec.c: Ditto.
4825 * java/jcf-write.c: Ditto.
4826 * java/jcf-path.c: Ditto.
4827 * java/gjavah.c: Ditto.
4828 * java/zextract.c: Ditto.
4829 * java/jcf-io.c: Ditto.
4830 * java/jcf.h: Ditto.
4831 * java/buffer.c: Ditto.
4832 * java/lang.c: Ditto.
4833 * java/parse-scan.y: Ditto.
4834 * java/lex.c: Ditto.
4835 * java/lex.h: Ditto.
4836 * cfgloopmanip.c: Ditto.
4837 * postreload-gcse.c: Ditto.
4838 * tree-ssa-loop-manip.c: Ditto.
4839 * postreload.c: Ditto.
4840 * tree-ssa-loop-ch.c: Ditto.
4844 * diagnostic.c: Ditto.
4846 * genoutput.c: Ditto.
4848 * cfghooks.c: Ditto.
4849 * cfgloopanal.c: Ditto.
4850 * objc/objc-act.c: Ditto.
4852 * genextract.c: Ditto.
4853 * genautomata.c: Ditto.
4854 * pretty-print.c: Ditto.
4856 * cgraphunit.c: Ditto.
4859 * haifa-sched.c: Ditto.
4860 * dominance.c: Ditto.
4862 * tree-ssa-loop-ivopts.c: Ditto.
4864 * mode-switching.c: Ditto.
4865 * modulo-sched.c: Ditto.
4867 * ipa-pure-const.c: Ditto.
4869 * fix-header.c: Ditto.
4871 * tree-stdarg.c: Ditto.
4872 * ipa-utils.c: Ditto.
4873 * loop-init.c: Ditto.
4874 * ipa-inline.c: Ditto.
4877 * alloc-pool.c: Ditto.
4878 * dwarf2out.c: Ditto.
4880 * genattrtab.c: Ditto.
4881 * tree-ssa-loop-ivcanon.c: Ditto.
4885 * fortran/gfortranspec.c: Ditto.
4887 * local-alloc.c: Ditto.
4888 * langhooks.c: Ditto.
4889 * function.c: Ditto.
4890 * tree-vectorizer.c: Ditto.
4892 * ipa-type-escape.c: Ditto.
4894 * tree-if-conv.c: Ditto.
4897 * tree-data-ref.c: Ditto.
4898 * loop-unroll.c: Ditto.
4899 * treelang/treetree.c: Ditto.
4902 * ggc-common.c: Ditto.
4904 * coverage.c: Ditto.
4906 * tree-cfgcleanup.c: Ditto.
4907 * tree-ssa-pre.c: Ditto.
4908 * cfgcleanup.c: Ditto.
4909 * loop-invariant.c: Ditto.
4911 * ipa-prop.c: Ditto.
4912 * print-tree.c: Ditto.
4913 * conflict.c: Ditto.
4914 * ggc-page.c: Ditto.
4915 * sched-deps.c: Ditto.
4916 * regclass.c: Ditto.
4917 * tree-object-size.c: Ditto.
4919 * bb-reorder.c: Ditto.
4920 * resource.c: Ditto.
4921 * var-tracking.c: Ditto.
4923 * df-problems.c: Ditto.
4924 * reg-stack.c: Ditto.
4927 * sched-rgn.c: Ditto.
4928 * tree-ssa-structalias.c: Ditto.
4929 * tree-ssa-reassoc.c: Ditto.
4930 * config/darwin-c.c: Ditto.
4931 * config/darwin.c: Ditto.
4932 * config/arm/arm.c: Ditto.
4934 * collect2.c: Ditto.
4937 2006-01-31 Nicolas Pitre <nico@cam.org>
4939 * arm.md (smaxsi3): Make aware of smax_m1.
4942 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4944 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
4946 2006-01-31 Richard Guenther <rguenther@suse.de>
4948 * doc/invoke.texi (-msselibm): Document.
4949 * target.h (expand_library_builtin): New target hook.
4950 * builtins.c (expand_builtin): Use expand_library_builtin.
4951 (default_expand_library_builtin): New function.
4952 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4953 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4954 (link_gcc_math_spec): Declare.
4955 (static_specs): Add link_gcc_math_spec.
4956 * expr.h (default_expand_library_builtin): Declare.
4957 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4958 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4959 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4960 * config/i386/i386.opt (msselibm): New target option.
4961 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4962 (ix86_init_sse_abi_builtins): New function.
4963 (ix86_expand_library_builtin): Likewise.
4964 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4965 (override_options): Handle error conditions wrt -msselibm.
4966 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4967 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4968 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4971 2006-01-31 Richard Guenther <rguenther@suse.de>
4972 Paolo Bonzini <bonzini@gnu.org>
4974 * doc/install.texi (--disable-libgcc-math): Document.
4976 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4978 * expr.h (expand_normal): new inline function.
4979 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4981 * dwarf2out.c: use it.
4986 * config/sparc/sparc.c: use it.
4987 * config/i386/i386.c: use it.
4988 * config/rs6000/rs6000.c: use it.
4989 * config/arm/arm.c: use it.
4990 * config/mips/mips.c: use it.
4991 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4993 2006-01-30 Roger Sayle <roger@eyesopen.com>
4995 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4996 argv to the appropriate type.
4998 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5000 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5003 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5006 * config/s390/s390.c (struct machine_function): New flag
5007 decomposed_literal_pool_addresses_ok_p.
5008 (s390_reorg): Set it before final stage of literal pool transforms.
5009 (s390_decompose_address): Only accept displacements of the form
5010 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5012 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5014 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5015 the comparison routine return.
5017 2006-01-30 Michael Matz <matz@suse.de>
5019 * global.c (find_reg): Only evict for global regs.
5020 Take n_refs into account and dump more info.
5022 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5025 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5026 (pragma_trap, pragma_nosave_low_regs): Likewise.
5027 (current_function_anonymous_args): Likewise.
5028 (sh_deferred_function_attributes): New variable.
5029 (sh_deferred_function_attributes_tail): Likewise.
5030 (print_operand): For '@', look up trap_exit attribute.
5031 (calc_live_regs): Look up trapa_handler attribute. For trapa
5032 handlers, save/restore fpscr, but don't do any other
5033 interrupt-specific saves.
5034 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5035 Fix check for partially saved registers to check for SHmedia.
5036 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5037 (sh_output_function_epilogue): Don't clear any of the removed
5039 (sh_insert_attributes): Don't check pragma_interrupt.
5040 Insert deferred attributes. Check that interrupt attribute is
5041 present for other attributes that require its presence.
5042 (sh_attribute_table): Add new attributes trapa_handler and
5044 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5045 Don't check for pragma_interrupt. Don't store argument.
5046 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5047 (sh_deferred_function_attributes): Declare.
5048 (sh_deferred_function_attributes_tail): Likewise.
5049 * sh.md (sp_switch_1): Add operand. Change generator caller.
5050 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5051 (*return_i): Don't use when trap_exit attribute is in effect.
5052 (*return_trapa): New insn pattern.
5054 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5055 setting c_target_objs and cxx_target_objs.
5056 * t-sh: Add rule for sh-c.o.
5058 2006-01-30 Richard Guenther <rguenther@suse.de>
5061 * gimplify.c (gimplify_target_expr): Handle easy cases
5062 without creating a temporary.
5064 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5066 * vec.h (safe_grow): Remove duplicated line.
5068 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5071 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5072 (expand_omp): ... here.
5073 (expand_omp_parallel): Only remove barriers for combined
5074 parallel+workshare constructs.
5076 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5080 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5081 * tree.c (build_qualified_type): Chain the new type to the original
5082 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5083 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5084 (build_pointer_type_for_mode): Only return unqualified types.
5085 (build_reference_type_for_mode): Likewise.
5087 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5089 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5090 * Makefile.in (CXX_COMPAT_WARN): Define.
5091 * configure: Regenerate.
5093 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5096 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5099 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5101 * toplev.c: Fix thinko.
5103 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5104 Marcin Dalecki <martin@dalecki.de>
5106 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5107 (push_srcloc): Use XNEW.
5108 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5110 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5112 * df-core.c (df_set_blocks): Deleted all variable.
5114 2006-01-28 Ian Lance Taylor <ian@airs.com>
5116 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5117 cgraph_output_pending_asms.
5119 2006-01-28 Zack Weinberg <zackw@panix.com>
5121 * c.opt: Add -W(no-)overlength-strings.
5122 * doc/invoke.texi: Document it.
5123 * c-opts.c (c_common_handle_option): -pedantic implies
5124 -Woverlength-strings, if not explicitly disabled already.
5125 (c_common_post_options): -Woverlength-strings defaults to off, and
5126 is always off for C++.
5127 * c-common.c (fix_string_type): Issue warning about strings longer
5128 than is portable only if warn_overlength_strings. Rearrange code
5129 a little for clarity.
5130 * configure.in: Check for -Wno-overlength-strings as well before
5131 enabling -pedantic in stage 1.
5132 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5133 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5135 * genconditions.c (write_header, write_one_condition)
5136 (write_conditions, write_writer): Consolidate very long strings
5137 that were broken up to fit in C89 portable limit. Don't use
5138 printf when fputs will do.
5140 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5142 * combine.c (simplify_comparison <AND>): Check
5143 TRULY_NOOP_TRUNCATION before start using a subreg.
5145 * config/mips/mips.md (*branch_zero<mode>,
5146 *branch_zero<mode>_inverted, *branch_equality<mode>,
5147 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5148 Remove mode check from comparisons.
5150 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5152 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5154 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5156 * expmed.c (const_mult_add_overflow_p): Remove.
5157 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5159 * recog.c (validate_replace_rtx_subexp): Remove.
5160 * recog.h: Remove the prototype for
5161 validate_replace_rtx_subexp.
5163 * integrate.h: Remove the prototype for
5164 copy_decl_for_inlining.
5165 * rtl.h: Remove the prototype for mark_constant_function.
5166 * tree-vectorizer.h: Remove the prototype for
5167 vect_strip_conversion.
5169 * modulo-sched.c (create_partial_schedule,
5170 free_partial_schedule, reset_partial_schedule): Make them
5173 * hooks.c (hook_bool_rtx_int_false): Remove.
5174 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5176 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5178 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5179 and -mlong-double-128 are incompatible.
5180 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5181 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5182 (TARGET_LIBGCC2_CFLAGS): Define.
5183 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5184 (TARGET_LIBGCC2_CFLAGS): Same.
5185 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5187 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5190 * c-typeck.c (build_binary_op): Perform implicit casts of
5191 operands before shortening them.
5193 * cfgloopmanip.c (split_loop_bb): Remove.
5194 * cfgloop.h: Remove the prototype for split_loop_bb.
5196 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5197 * cfgloop.h: Remove the prototype for
5198 flow_loop_outside_edge_p.
5200 * emit-rtl.c (init_virtual_regs): Make it static.
5201 * function.h: Remove the prototype for init_virtual_regs.
5203 * recog.c (peephole2_optimize): Make it static.
5204 * recog.h: Remove the prototype for peephole2_optimize.
5206 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5208 * df-scan.c (df_record_entry_block_defs): Check if
5209 INCOMING_RETURN_ADDR_RTX is defined.
5211 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5212 Kenneth Zadeck <zadeck@naturalbridge.com>
5214 PR rtl-optimization/24762
5215 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5216 * targhooks.c (hook_void_bitmap): New hook prototype.
5217 * targhoohs.h (hook_void_bitmap): Ditto.
5218 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5219 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5220 * target.h (live_on_entry): New function pointer.
5221 * df-scan.c (df_all_hard_regs): Removed.
5222 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5223 (df_scan_free_internal): Added df->entry_block_defs.
5224 (df_scan_alloc): Ditto.
5225 (df_scan_dump): Ditto.
5226 (df_uses_record): Plumbed flag field properly thru calls.
5227 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5228 This part fixes PR24762.
5229 (df_bb_refs_record): Added code to make the frame and arg
5230 pointers live in EH blocks.
5231 (df_refs_record): Added call to df_record_entry_block_defs.
5232 (df_record_entry_block_defs): New function.
5233 * df-core.c: Added comments to describe new artifical defs.
5234 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5235 (entry_block_defs): New field in struct df.
5236 (df_all_hard_regs): Deleted.
5237 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5238 * df-problems.c (df_ru_bb_local_compute_process_def):
5239 Added code to handle artifical defs in the entry to a function.
5240 (df_ru_bb_local_compute): Ditto.
5241 (df_rd_bb_local_compute_process_def): Ditto.
5242 (df_rd_bb_local_compute): Ditto.
5243 (df_lr_bb_local_compute): Ditto.
5244 (df_ur_bb_local_compute): Ditto.
5245 (df_urec_bb_local_compute): Ditto.
5246 (df_chain_create_bb): Ditto.
5247 (df_ur_local_finalize): Removed entry.
5248 (df_urec_init): Ditto.
5249 (df_urec_local_finalize): Ditto.
5250 (df_ri_bb_compute): Added detection of last use of pseudos.
5251 * Makefile.in (df-scan.o): Updated dependencies.
5252 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5253 * config/mips/mips.c (mips_set_live_on_entry): Added.
5254 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5256 * dce.c (marked_insn_p): Added code to handle artifical defs.
5258 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5260 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5262 (_mm_cvtsi128_si64): Likewise.
5263 (_mm_cvtsd_si64): Likewise.
5264 (_mm_cvttsd_si64): Likewise.
5265 (_mm_cvtsi64_sd): Likewise.
5266 (_mm_cvtsi64_si128): Likewise.
5267 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5268 (_mm_cvtsi64_m64): Likewise.
5269 (_m_to_int64): Likewise.
5270 (_mm_cvtm64_si64): Likewise.
5271 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5272 (_mm_cvttss_si64): Likewise.
5273 (_mm_cvtsi64_ss): Likewise.
5274 (_mm_cvtss_f32): Likewise.
5276 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5278 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5279 for pragma redefine_extname.
5281 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5284 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5285 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5286 -mno-minimal-toc to previous content.
5287 (bispecs): Remove goal.
5288 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5289 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5290 compatibility aliases on powerpc-*-*gnu*.
5291 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5292 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5293 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5294 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5295 (ldblspecs): New goal.
5296 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5297 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5299 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5300 L_sf_to_tf or L_df_to_tf is defined.
5302 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5303 Alan Modra <amodra@bigpond.net.au>
5306 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5307 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5308 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5309 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5310 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5311 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5312 (rs6000_override_options): Initialize rs6000_ieeequad.
5313 Initialize TFmode format to ibm_extended_format if not
5315 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5317 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5318 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5319 (function_arg_advance): IBM long double passed in two FPRs, not
5321 (function_arg): IBM long double passed in FPRs.
5322 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5323 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5324 Only multireg GPR aligned.
5325 (rs6000_init_libfuncs): Enable IBM long double functions if not
5327 (rs6000_generate_compare): Use IBM long double compare if not
5329 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5330 (TARGET_IEEEQUAD): Define.
5331 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5332 not TARGET_IEEEQUAD.
5333 * config/rs6000/rs6000.md: Enable TFmode patterns if
5335 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5336 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5337 and -mlong-double-128 are incompatible.
5338 * doc/invoke.texi (-mabi): Collect options together. Add
5339 ibmlongdouble and ieeelongdouble.
5341 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5343 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5345 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5346 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5347 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5348 * rtl.h (rtunion_def): Remove rt_ptr.
5350 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5351 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5352 * config/i386/winnt.c (i386_pe_mark_dllexport)
5353 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5355 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5357 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5359 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5363 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5364 pthread_key_delete. From John David Anglin. gthrw-ify
5365 pthread_getunique_np only if it it's not a macro. Delete
5367 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5368 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5369 __gthread_objc_condition_signal, __gthread_key_delete): Add
5370 "__attribute__ ((__unused__))" to unused arguments.
5371 (__gthread_recursive_mutex_init_function): Add missing return.
5372 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5373 gthr-posix95.h: Use macro-based approach for name redirection
5374 on targets missing weakref.
5376 2006-01-26 Zack Weinberg <zackw@panix.com>
5378 * genconditions.c (write_header): In generated code, #ifdef out
5379 all includes and fake declarations, except includes of bconfig.h
5380 and system.h, unless GCC_VERSION >= 3001. Do not include
5381 gensupport.h in any case.
5382 (write_conditions): Generate a definition of struct c_test. Add
5383 a comment to the generated #endif.
5384 (write_one_condition): Escape backslashes in string too.
5385 (write_writer): Generated code must escape backslashes and quote
5386 marks (but not newlines) in the strings it writes.
5387 * Makefile.in (build/gencondmd.o): Update dependencies.
5389 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5392 * Makefile.in (insn-automata.o): Add header file dependencies.
5393 * genautomata.c: Add includes.
5395 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5398 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5400 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5402 * configure.ac: Expect target tools paths to be passed from the toplevel
5403 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5405 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5407 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5410 * c.opt (Wpointer-sign): Init to -1.
5411 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5412 OPT_pedantic, to 0 otherwise.
5413 * doc/invoke.texi: Update.
5415 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5417 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5418 constants provided by 80387 instructions in the destination mode.
5420 2006-01-26 Richard Guenther <rguenther@suse.de>
5421 Andrew Pinski <pinskia@physics.uc.edu>
5424 partial PR tree-opt/17064
5425 * tree-ssa-structalias.c (intra_create_variable_infos):
5426 Create heap variables for incoming parameters if
5427 flag_argument_noalias > 1.
5428 (find_what_p_points_to): Look through default defs of
5431 2006-01-26 Jeff Law <law@redhat.com>
5434 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5435 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5436 within the VR_RANGE, use the VR_RANGE as the result, not the
5438 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5439 bounds for the type.
5441 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5443 * tree-ssa-alias.c (maybe_create_global_var): Change
5444 subvar walking to an assertion that we don't have subvar'd variables.
5446 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5449 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5450 Use a new variable, inner. PARM_DECLs are always non-weak.
5452 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5454 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5457 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5459 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5461 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5463 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5464 (smax_insn, smin_insn, smax_0, smin_0): New.
5466 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5469 * config/cris/cris.c (cris_order_for_addsi3): New function.
5470 * config/cris/cris-protos.h: Prototype it.
5471 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5472 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5473 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5474 (split for "op.S1 [rx=rx+i],ry (swapped)")
5475 (split for "op(s|u).S1 [rx=rx+i],ry")
5476 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5477 Apply cris_order_for_addsi3 when generating addsi3 insns.
5479 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5481 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5482 (TREE_BLOCK): Add call to EXPR_CHECK.
5484 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5487 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5488 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5489 (dump_omp_clauses): ... here.
5490 (dump_generic_node): Handle OMP_CLAUSE.
5491 * tree.c (omp_clause_num_ops): New.
5492 (omp_clause_code_name): New.
5493 (tree_code_size): Handle OMP_CLAUSE.
5494 (tree_size): Likewise.
5495 (make_node): Document handling of OMP_CLAUSE.
5496 (tree_node_structure): Handle OMP_CLAUSE.
5497 (omp_clause_check_failed): New.
5498 (omp_clause_range_check_failed): New.
5499 (omp_clause_operand_check_failed): New.
5500 (build_omp_clause): New.
5501 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5502 * tree.h (enum omp_clause_code): Declare.
5503 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5504 (OMP_CLAUSE_RANGE_CHECK): Define.
5505 (OMP_CLAUSE_ELT_CHECK): Define.
5506 (omp_clause_check_failed): Declare.
5507 (omp_clause_operand_check_failed): Declare.
5508 (omp_clause_range_check_failed): Declare.
5509 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5510 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5511 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5512 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5513 (OMP_CLAUSE_IF_EXPR): Likewise.
5514 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5515 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5516 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5517 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5518 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5519 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5520 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5521 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5522 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5523 (OMP_CLAUSE_CODE): Define.
5524 (OMP_CLAUSE_SET_CODE): Define.
5525 (OMP_CLAUSE_CODE): Define.
5526 (OMP_CLAUSE_OPERAND): Define.
5527 (struct tree_omp_clause): Declare.
5528 (union tree_node): Add field 'omp_clause'.
5529 * treestruct.def (TS_OMP_CLAUSE): Define.
5530 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5531 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5532 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5533 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5534 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5535 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5536 (OMP_CLAUSE): Define.
5537 * print-tree.c (print_node): Handle OMP_CLAUSE.
5538 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5539 * c-typeck.c: Likewise.
5540 * gimplify.c: Likewise.
5541 * c-omp.c: Likewise.
5542 * tree-nested.c: Likewise.
5543 * tree-inline.c: Likewise.
5544 * c-parser.c: Likewise.
5545 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5548 2006-01-25 Roger Sayle <roger@eyesopen.com>
5550 PR rtl-optimization/25703
5551 * combine.c (try_combine): Handle zero_extract and strict_low_part
5552 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5554 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5556 * global.c: Fix comment typos.
5558 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5561 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5562 Use output_addr_const instead of assemble_name.
5564 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5566 * Makefile.in (sched-vis.o): Update dependencies.
5567 * haifa-sched.c (sched_finish): Clear current_sched_info.
5568 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5569 (dump_flow_info): Call it.
5570 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5572 * basic-block.h (dump_bb_info): Declare.
5573 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5574 option, and apply options only for dump files whose TDF_RTL,
5575 TDF_TREE, or TDF_IPA bits match.
5576 * rtl.h: Declare new functions exported from sched-vis.c.
5577 * sched-vis.c: Enable also if scheduling is not used.
5578 (print_value): Print the mode of registers if not inside scheduling.
5579 (print_insn): Make it work outside the scheduler. Beautify the output
5581 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5583 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5585 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5586 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5587 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5588 depending on the value of CONSTANT_POOL_ADDRESS_P.
5589 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5591 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5592 rather than SYMBOL_REF_DECL.
5593 (rtx_constant_pool): Remove const_rtx_sym_htab.
5594 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5595 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5596 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5597 Remove handling of const_rtx_sym_htab.
5598 (find_pool_constant): Delete.
5599 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5600 rather than find_pool_constant.
5601 (get_pool_constant_for_function): Delete.
5602 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5604 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5605 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5606 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5607 (SYMBOL_REF_CONSTANT): New macro.
5608 (get_pool_constant_for_function): Delete.
5609 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5610 rather than SYMBOL_REF_DECL.
5611 (i386_pe_mark_dllimport): Likewise.
5612 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5613 rather than SYMBOL_REF_DECL.
5614 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5615 (machopic_indirect_call_target): Likewise.
5617 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5619 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5621 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5623 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5625 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5627 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5629 2006-01-24 David Daney <ddaney@avtrex.com>
5632 * configure.ac (enable_tls): New enable option.
5633 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5634 * configure: Regenerate.
5635 * doc/install.texi (--enable-tls): Document new option.
5636 (--disable-tls): Ditto.
5638 2006-01-24 Richard Henderson <rth@redehat.com>
5640 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5641 * alias.c (true_dependence): Respect it.
5642 (canon_true_dependence, write_dependence_p): Likewise.
5643 * builtins.c (get_builtin_sync_mem): Set it.
5645 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5647 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5650 2006-01-24 DJ Delorie <dj@redhat.com>
5652 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5653 for storing constants in single-bit bitfields.
5655 2006-01-25 Ben Elliston <bje@au.ibm.com>
5657 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5659 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5662 * tree-ssa-pre.c (phi_translate): Return NULL
5663 for AGGREGATE_TYPE's.
5665 2006-01-24 Zack Weinberg <zackw@panix.com>
5667 * genautomata.c (process_state_for_insn_equiv_partition):
5668 Use xcalloc for insn_arcs_array.
5669 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5670 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5672 2006-01-24 Richard Henderson <rth@redhat.com>
5674 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5677 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5679 PR rtl-optimization/25890
5680 PR rtl-optimization/25905
5681 * combine.c (expand_compound_operation, expand_field_assignment):
5682 Fail if the bitfield's final position is out of bounds.
5684 2006-01-24 Ian Lance Taylor <ian@airs.com>
5687 * cgraphunit.c (cgraph_output_in_order): Don't clear
5688 cgraph_asm_nodes until after asm strings have been output.
5690 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5692 * fix-header.c (read_scan_file): Add new parameter imultilib when
5693 calling register_include_chains.
5695 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5697 * omp-low.c: Update documentation.
5699 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5700 Daniel Berlin <dberlin@dberlin.org>
5704 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5705 return from the function.
5707 2006-01-22 Zack Weinberg <zackw@panix.com>
5709 * rtl.def (match_code): Add second argument.
5710 * genpreds.c (write_extract_subexp): New function.
5711 (write_match_code): Add path argument. Use write_extract_subexp.
5712 (write_predicate_expr): Pass path to write_match_code.
5713 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5714 not perform a mode test.
5715 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5716 a subexpression does not constrain the top-level code set.
5717 * read-rtl.c (read_rtx_variadic): New function.
5718 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5719 * doc/md.texi: Document new notation.
5720 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5721 (cmpsi_operand): ... here, using new notation.
5723 2006-01-22 Zack Weinberg <zackw@panix.com>
5725 * varray.c: Remove GENERATOR_FILE #ifdefs.
5727 2006-01-22 Zack Weinberg <zackw@panix.com>
5729 * genautomata.c (output_reserved_units_table): Emit nothing if
5730 description->query_units_num is zero. Remove extra blank line.
5731 (output_cpu_unit_reservation_p): Short circuit
5732 if description->query_units_num is zero.
5734 2006-01-22 Zack Weinberg <zackw@panix.com>
5736 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5737 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5738 nor any of the random handful of variables that used to be necessary
5739 when this program was linked with rtlanal.o. Prune set of forward
5740 function declarations.
5741 (struct attr_desc): Remove static_p field.
5742 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5743 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5744 (attr_string): Do not read the character one past the length of
5746 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5747 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5748 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5749 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5750 (make_automaton_attrs): New.
5751 (main): Do not call into genautomata. Call local gen_bypass
5752 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5753 Remove special case for insn_alts.
5754 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5755 varray.h (leftover from previous change). Prune set of forward
5756 function declarations. Remove state_alts fields from all
5757 structures. Remove state_alts_table from struct automaton.
5758 Make everything except main static. Do not maintain num_dfa_decls.
5759 Do not maintain state_alts fields of various structures.
5760 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5761 (add_arc): Remove state_alts argument. All callers updated.
5762 (output_reserved_units_table): Emit #ifdef here...
5763 (output_tables): ...not here. Don't generate state_alts tables.
5764 (expand_automata): Don't generate attributes.
5765 (write_automata): Don't generate state_alts functions.
5766 (main): New function.
5767 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5768 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5769 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5770 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5771 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5772 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5773 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5774 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5776 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5777 * genattrtab.h: Delete file.
5778 * Makefile.in (OBJS-common): Add insn-automata.o.
5779 (insn-automata.o): New rule.
5780 (simple_generated_c): Add insn-automata.c.
5781 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5782 (genprogmd): Add automata.
5783 (build/genattrtab): Needs no extra objects nor libraries.
5784 (build/genautomata): Needs build/vec.o and -lm.
5786 2006-01-22 Zack Weinberg <zackw@panix.com>
5788 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5789 (output_dfa_max_issue_rate, locked_states_num): Delete.
5790 (struct automaton): Add locked_states field.
5791 (output_dead_lock_vect): Save number of locked states in
5792 automaton->locked_states. If it is zero, don't print anything.
5793 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
5794 (output_internal_dead_lock_func): Only test the dead_lock_vect
5795 for automata that have locked states.
5796 (output_statistics): Always print the number of locked states for
5797 each automaton. Calculate total number of locked states here.
5798 (write_automata): Don't call output_dfa_max_issue_rate.
5799 * genattrtab.c: Define length_unit_log as a const variable.
5800 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
5801 max_insn_queue_index const.
5802 * final.c (length_unit_log): Declare const.
5803 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
5805 2006-01-22 Zack Weinberg <zackw@panix.com>
5807 * genautomata.c: Include vec.h, not varray.h.
5808 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
5809 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
5810 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
5811 VEC_* macros operating on appropriately typed vectors, or to
5812 malloced arrays when the size is known in advance. Const-ify
5813 many char* variables and function arguments. No functional changes.
5814 * Makefile.in (build/varray.o): Delete rule.
5815 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
5816 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
5818 2006-01-22 Zack Weinberg <zackw@panix.com>
5820 * gensupport.c: Define get_insn_name and record_insn_name here.
5821 (read_md_rtx): Call record_insn_name as appropriate.
5822 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5823 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5824 * genpreds.c, genrecog.c: Don't define get_insn_name nor
5826 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
5827 (BUILD_VARRAY): Delete.
5828 (genprognormal): Rename genprogmd. Fold in all programs from
5829 genprognoprint; also attrtab.
5830 (build/genattrtab): Just mention genautomata.o and varray.o.
5831 Reorganize a bit, add comments to make the categories clearer.
5833 2006-01-22 Zack Weinberg <zackw@panix.com>
5835 * genconditions.c (condition_table, add_condition): Delete.
5836 (write_conditions): Don't emit n_insn_conditions nor
5837 insn_elision_unavailable. Issue the gcc version #ifdef here,
5838 inside the table, with no #else clause ...
5839 (write_header): ...not here.
5840 (write_writer): New function.
5841 (main): Don't initialize condition_table. Use add_c_test.
5843 * gensupport.c (init_md_reader_args_cb): Handle multiple input
5844 files on the command line.
5845 (maybe_eval_c_test): Don't check insn_elision_unavailable.
5846 Return -1 if there is no entry in the table, don't abort.
5847 (add_c_test, traverse_c_tests): New functions.
5848 * gensupport.h (insn_elision_unavailable, insn_conditions)
5849 (n_insn_conditions): Delete declarations.
5850 (add_c_test, traverse_c_tests): Declare.
5851 * read-rtl.c: Include gensupport.h.
5852 (read_conditions): New function.
5853 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
5854 (read_rtx_1): If we get EOF when we were looking for an initial
5855 open paren, return 0. Call read_conditions when appropriate.
5856 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
5857 dummy-conditions.o. Eliminate references to insn-conditions.o,
5858 or change them to build/gencondmd.o, as appropriate. Remove
5859 insn-constants.h from $(simple_generated_h) and insn-conditions.c
5860 from $(simple_generated_c). For all files remaining in those
5861 two lists, add insn-conditions.md to the generator command line.
5862 Give insn-constants.h/s-constants their own rules. Add rules
5863 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
5864 (build/read-rtl.o): Depend on gensupport.h.
5865 (genprognormal): Include preds.
5866 (genprogearly): Rename genprognoprint; only difference is now that
5867 they don't link with $(BUILD_PRINT).
5868 * dummy-conditions.c: Delete.
5870 2006-01-22 Zack Weinberg <zackw@panix.com>
5872 * genextract.c: Don't include insn-config.h. Do include vec.h.
5873 Declare vectors of int, char, and locstr.
5874 (locstr): New typedef.
5875 (struct extraction): Make all array fields into bare pointers.
5876 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
5877 (insn_code_number): Delete.
5878 (accum_extract): New struct.
5879 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
5880 (gen_insn): Take insn_code_number as an argument. Use an
5881 accum_extract structure instead of loading data directly into
5882 a struct extraction, and having to know how big it might get.
5883 (walk_rtx): Operate entirely on an accum_extract structure.
5884 (print_path): Avoid unnecessary use of printf.
5885 (print_header): New function, split out of main. Distinguish
5886 more carefully between an unrecognizable insn and an insn that
5887 has the code number of a define_expand.
5888 (main): Pass insn_code_number to gen_insn. Call print_header
5889 only after parsing. Avoid unnecessary use of printf.
5890 * Makefile.in (build/vec.o): New rule.
5891 (build/genextract): Depend on build/vec.o.
5892 (build/genextract.o): Don't depend on insn-config.h.
5894 2006-01-22 Zack Weinberg <zackw@panix.com>
5896 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5897 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5898 practical. Eliminate per-generator-program link rules.
5900 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5903 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5904 with a call expr to ...
5905 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5907 2006-01-23 Richard Guenther <rguenther@suse.de>
5909 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5910 before make_edge with conditional EDGE_TRUE_VALUE.
5912 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5913 Jan Hubicka <jh@suse.cz>
5914 Richard Guenther <rguenther@suse.de>
5916 PR rtl-optimization/25654
5917 * cfgexpand.c (aggregate_contains_union_type): New function.
5918 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5919 for structure variables that contain a union type.
5921 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5923 * gengtype.c (new_structure): Return the structure.
5924 (create_option): Add an extra "next" argument.
5925 (create_field): New function.
5926 (adjust_field_rtx_def): Use create_option and create_field.
5927 Remove a now-unnecessary call to find_structure.
5928 (adjust_field_tree_def): Likewise.
5929 (note_yacc_type): Remove an unnecessary call to find_structure.
5930 * gengtype.h (new_structure): Return the structure.
5931 (create_option): Add an extra argument.
5932 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5933 (option): Adjust calls to create_option.
5935 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5937 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5939 2006-01-22 Paul Brook <paul@codesourcery.com>
5940 Peter Barada <peter@the-baradas.com>
5942 * config/m68k/m68k.md: Add Coldfire FPU support.
5943 Define FP mode macro and associated attributes.
5944 Use it for float mode patterns.
5945 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
5946 (LIBCALL_VALUE): Use m68k_libcall_value.
5947 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
5948 (m68k_function_value): Ditto.
5949 (emit_move_sequence): Ditto.
5950 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
5951 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
5952 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
5953 (MULTILIB_EXCEPTIONS): Ditto.
5954 * config/m68k/m68k.opt: Add mcfv4e.
5955 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
5956 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
5957 (m68k_output_function_prologue): Save ColdFire FPU registers.
5958 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
5959 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
5960 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
5961 ColdFire FPU registers.
5962 (m68k_libcall_value, m68k_function_value): New functions.
5963 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
5964 (LIBCALL_VALUE): Use m68k_libcall_value.
5965 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
5966 (MASK_COLDFIRE): Add MASK_CFV4E.
5967 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
5968 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
5969 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
5970 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
5971 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5972 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5973 * doc/invoke.tex: Document -mcfv4e on m68k.
5975 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5977 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5980 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5983 * c-opts.c (c_common_handle_option): Don't include
5984 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5985 * doc/invoke.texi (C++ Dialect Options): Document that
5986 -Wnon-virtual-dtor is no longer included in -Wall.
5988 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5990 * gcov.c (print_version), gcov-dump.c (print_version),
5991 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
5994 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
5996 * df-scan.c (problem_SCAN): Added NULL reset function.
5997 (df_scan_reset_blocks): Added code to call reset block function
5998 (df_bb_refs_delete) Fixed comment.
5999 (df_insn_refs_delete): Made tolerant of deleting non existent info
6000 for dataflow problems that need to be reset.
6001 * df-core.c (df_set_blocks): Ditto.
6002 * df.h (struct df_problem): Added reset_fun.
6003 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6004 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6005 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6006 functions to clear out all references to def-use or use-def chains.
6008 2006-01-21 Ben Elliston <bje@au.ibm.com>
6010 * varasm.c (assemble_real): Initialise data array.
6012 2006-01-20 Paul Brook <paul@codesourcery.com>
6014 Merge from csl-arm-branch.
6015 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6016 * config/arm/arm.md (movdi): Force operands[1] to a register
6017 if we have a non-register source.
6018 (*arm_movdi, *movdf_soft_insn): Require that one of the
6019 operands be a register.
6020 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6021 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6023 2006-01-20 DJ Delorie <dj@redhat.com>
6025 * varasm.c (initialize_constant_valid_p): Allow pointers
6026 initialized from integer constants of lesser precision.
6027 (output_constant): Allow non-int-sized pointer modes to be
6028 initialized from integer constants.
6030 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6033 * cppdefault.h (struct default_include): Add multilib flag.
6034 * cppdefault.c (cpp_include_defaults): Set it.
6035 * c.opt (-imultilib): New option.
6036 * c-opts.c (imultilib): New.
6037 (c_common_handle_option): Handle -imultilib.
6038 (c_common_post_options): Likewise.
6039 * c-incpath.c (add_standard_paths, register_include_chains):
6041 * c-incpath.h (register_include_chains): Add extra parameter.
6042 * gcc.c (do_spec_1): Generate -imultilib option.
6043 (The Specs Language): Update %I description.
6044 (process_command): Update copyright notice.
6045 * doc/cppopts.texi (-imultilib): Document.
6046 * doc/invoke.texi (-imultilib): Include in option summary.
6047 (%I): Update specs documentation.
6049 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6051 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6053 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6055 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6058 2006-01-20 Richard Guenther <rguenther@suse.de>
6059 Steven Bosscher <stevenb.gcc@gmail.com>
6061 PR rtl-optimization/24626
6062 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6063 EDGE_TRUE_VALUE if in RTL mode.
6066 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6067 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6069 2006-01-20 Dirk Mueller <dmueller@suse.com>
6072 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6073 instead of a special NOP marker.
6074 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6075 NOP marker handling.
6076 * c-common.h (empty_body_warning): Add forward declaration.
6077 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6078 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6080 2006-01-20 Paul Brook <paul@codesourcery.com>
6082 * Makefile.in (lang_checks): Keep going if mkdir fails.
6084 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6086 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6087 be able to clean out basic block when not necessary.
6088 (df_scan_free): Fixed to properly delete information if df is
6089 unused before calling df_finish.
6090 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6091 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6093 (df_bb_refs_delete): New function.
6094 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6095 * df-core.c (df_set_blocks): Added code to properly clean out
6096 unused blocks if they are not part of the blocks to consider.
6097 Added additional null check.
6098 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6099 be able to clean out basic block when not necessary
6100 * df.h (df_free_bb_function): Ditto.
6101 (df_bb_refs_delete): New function.
6102 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6103 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6104 basic block parameter to be able to clean out basic block when not
6106 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6107 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6108 Fixed to properly delete information if df is unused before
6111 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6113 PR rtl-optimization/25799
6114 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6115 Corrected confluence operator to remove bits from op2 before oring
6116 with op1 rather than removing bits from op1.
6117 (df_ru_transfer_function): Corrected test on wrong bitmap which
6118 caused infinite loop. Both of these problems were introduced in
6119 the dataflow rewrite.
6121 2006-01-19 DJ Delorie <dj@redhat.com>
6123 * reload1.c (find_reload_regs): Note the details of reload
6124 failures in the dump file.
6125 (spill_failure): Likewise.
6127 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6129 * loop-iv.c: Include df.h and hashtab.h.
6130 (enum iv_grd_result): New enum.
6131 (DF_REF_IV, DF_REF_IV_SET): New macros.
6132 (struct biv_entry): New.
6133 (df, bivs): New global variables.
6134 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6135 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6137 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6138 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6139 analyzed_for_bivness_p, record_biv): New functions.
6140 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6141 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6142 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6144 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6146 (iv_number_of_iterations): Use new interface to iv analysis.
6147 * loop-unroll.c: Do not include varray.h.
6148 (analyze_iv_to_split_insn): Use new interface to iv
6150 * loop-unswitch.c (may_unswitch_on): Ditto.
6151 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6153 (df_bb_modify): Realloc tables to the new index.
6154 (df_find_use): New function.
6155 * df.h (df_find_use): Declare.
6156 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6158 * cfgloop.h (struct rtx_iv): Remove analysed field.
6159 (iv_get_reaching_def): Removed.
6160 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6161 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6162 (loop-iv.o): Add df.h and hashtab.h dependency.
6163 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6165 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6168 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6170 (__floatundisf, __floatundidf): Likewise.
6171 * libgcc2.h (IS_IBM_EXTENDED): Define.
6173 2006-01-19 DJ Delorie <dj@redhat.com>
6175 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6177 2006-01-19 Paul Brook <paul@codesourcery.com>
6179 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6180 as nothrow when unwinding tables are disabled.
6182 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6185 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6186 of bit-field" when in system header.
6188 2006-01-19 DJ Delorie <dj@redhat.com>
6190 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6191 the 16 bit shift limit of the m16c.
6193 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6196 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6197 * config/i386/i386.c (output_set_got): Output the label if we have one
6198 for the TARGET_DEEP_BRANCH_PREDICTION case.
6200 2006-01-19 Jan Hubicka <jh@suse.cz>
6201 H.J. Lu <hongjiu.lu@intel.com>
6202 Evandro Menezes <evandro.menezes@amd.com>
6204 * invoke.texi (generic): Document
6206 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6207 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6208 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6209 (x86_use_incdec, x86_pad_returns): New variables
6210 (TARGET_CPU_DEFAULT_generic): New constant
6211 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6212 (enum processor_type): Add generic32 and generic64.
6213 * i386.md (cpu attribute): Add generic32/generic64
6214 (movhi splitter): Behave sanely when both partial_reg_dependency and
6215 partial_reg_stall are set.
6216 (K8 splitters): Enable for generic as well.
6217 * predicates.md (incdec_operand): Use TARGET_INCDEC
6218 (aligned_operand): Avoid memory mismatch stalls.
6219 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6220 * ppro.md: Enable for generic32
6221 * i386.c (generic64_cost, generic32_cost): New.
6222 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6223 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6224 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6225 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6226 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6227 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6228 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6229 x86_accumulate_outgoing_args, x86_prologue_using_move,
6230 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6231 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6233 (x86_use_incdec, x86_pad_returns): New.
6234 (override_options): Add generic32 and generic64, translate "generic"
6235 to generic32/generic64 and "i686" to "generic32", refuse
6236 "generic32"/"generic64" as arch target.
6237 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6238 (ix86_reorg): Honor PAD_RETURNS.
6240 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6242 * tree-pretty-print.c (dump_generic_node): Handle
6243 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6244 * cgraph.c (cgraph_expand_queue): Rename from
6245 cgraph_analyze_queue. Update all users.
6246 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6247 cgraph_expand_queue.
6248 (cgraph_expand_all_functions): Likewise.
6249 (cgraph_finalize_pending_functions): Remove. Update callers.
6251 * tree.h (OMP_DIRECTIVE_P): Define.
6252 (OMP_PARALLEL_FN): Define.
6253 (OMP_PARALLEL_DATA_ARG): Define.
6254 (OMP_SECTIONS_SECTIONS): Define.
6255 * tree-pass.h (pass_expand_omp): Declare.
6256 * omp-low.c (struct omp_region): Declare.
6257 (struct omp_context): Remove fields 'parallel_type',
6258 'parallel_start_ix' and 'parallel_start_additional_args'.
6260 (struct omp_for_data): Rename from struct expand_omp_for_data.
6261 (omp_regions): New static variable.
6262 (root_omp_region): New static variable.
6263 (find_omp_clause): Make static.
6264 (is_in_combined_parallel_ctx): Remove.
6265 (is_combined_parallel): New.
6266 (extract_omp_for_data): Move earlier in the file.
6267 (workshare_safe_to_combine_p): New.
6268 (get_ws_args_for): New.
6269 (determine_parallel_type): Move earlier in the file.
6270 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6272 (omp_copy_decl): Likewise.
6273 (create_omp_child_function): Likewise.
6274 (lookup_omp_region): New.
6275 (dump_omp_region): New.
6276 (debug_omp_region): New.
6277 (debug_all_omp_regions): New.
6278 (new_omp_region): New.
6279 (scan_omp_parallel): If parallel_nesting_level > 1, the
6280 directive is nested within another parallel directive.
6281 Set OMP_PARALLEL_FN.
6282 (scan_omp_for): Do not try to handle combined parallel+for
6284 Remove FIXME comment.
6285 (scan_omp_nested): Remove.
6286 (scan_omp_1): Do not call scan_omp_nested when
6287 parallel_nesting_level is > 1.
6288 Do not change the DECL_CONTEXT of local variables found.
6289 (lookup_decl_in_outer_ctx): New.
6290 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6291 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6292 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6293 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6294 If CTX is nested, lookup VAR in the outer context when
6295 building copy assignment.
6296 (lower_send_clauses): Rename from expand_send_clauses.
6297 If CTX is nested, lookup VAR in the outer context when
6298 building copy assignments.
6299 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6300 If CTX is nested, lookup VAR in the outer context when
6301 building copy assignments.
6302 (expand_parallel_call): Rename from build_parallel_call.
6303 Handle combined parallel+workshare cases.
6304 Re-implement to emit code into the CFG.
6306 (expand_omp_parallel): Re-implement to emit code into the CFG.
6307 Call move_sese_region_to_fn to outline the sub-graph
6308 containing the parallel region.
6309 (expand_omp_for_1): Remove.
6310 (expand_omp_for_generic): Re-implement to emit code into the
6312 (expand_omp_for_static_nochunk): Likewise.
6313 (expand_omp_for_static_chunk): Likewise.
6314 (expand_omp_for): Likewise.
6315 (expand_omp_sections): Likewise.
6316 (remove_exit_barriers): New.
6317 (expand_omp_synch): New.
6319 (build_omp_regions_1): New.
6320 (build_omp_regions): New.
6321 (execute_expand_omp): New.
6322 (gate_expand_omp): New.
6323 (pass_expand_omp): Define.
6324 (lower_omp_sections): Rename from expand_omp_sections.
6325 Set OMP_SECTIONS_SECTIONS.
6326 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6327 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6328 (lower_omp_single): Rename from expand_omp_simple.
6329 (lower_omp_master): Rename from expand_omp_master.
6330 (lower_omp_ordered): Rename from expand_omp_ordered.
6331 (lower_omp_critical): Rename from expand_omp_critical.
6332 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6333 (lower_omp_for): Re-implement.
6334 (lower_omp_parallel): Re-implement.
6335 (lower_regimplify): Rename from expand_regimplify.
6336 (lower_omp_1): Rename from expand_omp_1.
6337 If there are syntax errors in the program, replace every
6338 OpenMP directive with NOP.
6339 Call lower_omp_* instead of expand_omp_*.
6340 (lower_omp): Rename from expand_omp.
6342 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6343 * tree-gimple.h (enum omp_parallel_type): Remove.
6344 (gimple_boolify): Declare extern.
6345 (find_omp_clause, determine_parallel_type): Remove.
6347 * gimple-low.c (lower_omp_directive): New.
6348 (lower_stmt): Call it.
6349 (record_vars_into): Move from ...
6350 (record_vars): ... here.
6351 Call record_vars_into with current_function_decl.
6353 * gimplify.c (struct gimplify_ctx): Remove fields
6354 combined_pre_p and combined_ctxp. Update users.
6355 (get_formal_tmp_var): Add documentation.
6356 (gimple_boolify): Make extern.
6357 (gimplify_expr_in_ctx): Remove. Update callers.
6358 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6359 will always be a BIND_EXPR.
6360 (gimplify_expr): Handle OMP_RETURN_EXPR.
6361 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6362 (OMP_PARALLEL): Add 3 operands.
6363 (OMP_SECTIONS): Add 1 operand.
6364 (OMP_RETURN_EXPR): Define.
6366 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6367 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6368 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6369 creating a circular free list.
6370 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6372 * tree-flow.h (move_sese_region_to_fn): Declare.
6373 (record_vars_into): Declare.
6374 * tree-cfg.c (make_omp_sections_edges): New.
6375 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6376 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6377 OMP_SECTIONS and OMP_SECTION.
6378 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6379 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6380 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6381 (gather_blocks_in_sese_region): New.
6382 (struct move_stmt_d): Declare.
6384 (move_block_to_fn): New.
6385 (move_sese_region_to_fn): New.
6387 * passes.c (init_optimization_passes): Schedule
6388 pass_expand_omp after pass_init_datastructures.
6390 * tree-ssa-operands.c (get_expr_operands): Handle
6391 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6392 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6394 2006-01-19 Jeff Law <law@redhat.com>
6396 * tree-vrp.c (extract_range_from_assert): Refine the result range
6397 if the variable referenced by the ASSERT_EXPR has a range and
6398 either the tentative result range or the previous range is a
6401 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6403 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6405 2006-01-19 Jan Hubicka <jh@suse.cz>
6407 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6409 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6411 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6412 (expand_compound_operation, expand_field_assignment): Fail if the
6413 bit lengths of an extract operation are out of range.
6414 (make_extraction): Compute wanted_inner_mode based on the position
6415 and length of the extraction. Make it extraction_mode for non-constant
6416 positions, and do not modify offset in that case. When generating a
6417 new MEM, use a mode that can hold the extraction while keeping correct
6418 alignment. Remove code that supported MEMs wrapped by USEs.
6419 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6421 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6423 * config/s390/s390.md ("Y", "y"): New mode attribute.
6424 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6425 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6426 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6427 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6428 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6429 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6430 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6431 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6432 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6433 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6434 "addsi3", "subsi3"): Insn patterns removed.
6435 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6436 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6437 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6438 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6439 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6440 "*sub<mode>3_cconly2"): New insn patterns.
6441 ("addsi3", "subsi3"): New expanders.
6443 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6445 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6446 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6447 existing STMT_VINFO_VECTYPE if available.
6448 (vect_mark_relevant): Add special handling for stmts that are
6449 marked as STMT_VINFO_IN_PATTERN_P.
6450 (vect_analyze_loop): Call vect_pattern_recog.
6451 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6452 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6454 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6455 (vect_recog_func_ptr): New function-pointer type.
6456 * tree-vect-patterns.c: New file.
6457 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6458 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6459 (vect_pattern_recog_1): New functions.
6460 (vect_pattern_recog_funcs): New array of function pointers.
6462 * tree-vectorizer.h (ternary_op): New enum value.
6463 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6464 declaration. Revised documentation. Removed redundant dump prints.
6465 Removed redundant argument. Added support for reduction patterns.
6466 (vectorizable_reduction): Added support for reduction patterns.
6467 (vect_transform_stmt): Added support for patterns.
6469 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6470 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6471 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6472 (expand_widen_pattern_expr): New function.
6473 (init_optabs): Initialize new optabs udot_prod_optab,
6475 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6476 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6477 (expand_widen_pattern_expr): New function declaration.
6478 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6480 * tree-inline.c (estimate_num_insns_1): Added cases for new
6481 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6482 * tree-pretty-print.c (dump_generic_node): Likewise.
6483 (op_prio): Likewise.
6484 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6485 * tree-ssa-operands.c (get_expr_operands): Added case for
6487 * tree-vect-patterns.c (widened_name_p): New function.
6488 (vect_recog_dot_prod_pattern): Added function implementation.
6489 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6490 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6491 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6492 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6494 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6495 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6496 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6497 (init_optabs): Initialize new optabs widen_ssum_optab,
6499 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6500 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6501 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6502 use instead of type of def.
6503 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6504 function implementation.
6505 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6506 widen_ssumv8hi): New.
6508 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6511 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6514 * c-decl.c (add_flexible_array_elts_to_size): New function.
6515 (finish_decl): Use it.
6517 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6519 * diagnostic.h: Include options.h.
6520 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6521 dependancies for diagnostic.h.
6522 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6524 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6526 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6527 (ssa_ro_call_cache_valid): Ditto.
6528 * tree-ssa-alias.c (sort_tags_by_id): New function.
6529 (init_transitive_clobber_worklist): Ditto.
6530 (add_to_worklist): Ditto.
6531 (mark_aliases_call_clobbered): Ditto.
6532 (compute_tag_properties): Ditto.
6533 (set_initial_properties): Ditto.
6534 (compute_call_clobbered): Ditto.
6535 (compute_may_aliases): Call compute_call_clobbered and grouping.
6536 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6537 (compute_flow_insensitive_aliasing): Grouping now happens in our
6539 (setup_pointers_and_addressables): Remove clobbering related code.
6540 (add_may_alias): Ditto.
6541 (replace_may_alias): Ditto.
6542 (get_nmt_for): Ditto.
6543 (create_global_var):
6544 (is_escape_site): Return an escape_type enumeration.
6545 * tree-flow-inline.h (is_call_clobbered): Global var does not
6546 imply call clobbered.
6547 (mark_call_clobbered): Take a reason for marking this. Remove
6548 marking of globalness, and cache invalidation.
6549 (clear_call_clobbered): Remove cache invalidation code.
6550 * tree-dfa.c (dump_variable): If details is on, dump the reason
6552 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6554 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6555 (struct var_ann_d): Ditto.
6556 (enum escape_type): New.
6557 (mark_call_clobbered): Adjust prototype.
6558 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6559 are never call clobbered.
6560 Record reasons for escaping.
6561 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6562 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6563 (ssa_ro_call_cache_valid): Ditto.
6564 (clobbered_v_may_defs): Ditto.
6565 (clobbered_vuses): Ditto.
6566 (ro_call_vuses): Ditto.
6567 (clobber_stats): New.
6568 (init_ssa_operands): Zero out clobber stats.
6569 (fini_ssa_operands): Print out clobber stats.
6570 (get_call_expr_operands): Pass callee fndecl to
6572 (add_call_clobber_ops): Remove use of cache.
6573 Add use of PURE_CONST information.
6574 (add_call_read_ops): Remove use of cache.
6575 Add use of static not_read information.
6577 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6579 Introduce TLS descriptors for i386 and x86_64.
6580 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6581 (TARGET_ANY_GNU_TLS): New macro.
6582 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6583 (struct machine_function): Add tls_descriptor_call_expanded_p.
6584 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6585 (ix86_current_function_calls_tls_descriptor): Likewise.
6586 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6587 (override_options): Introduce gnu2 tls dialect.
6588 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6590 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6592 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6593 (ix86_init_machine_status): Initialize new field.
6594 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6595 (ix86_tls_module_base): New.
6596 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6597 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6598 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6599 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6600 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6601 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6602 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6603 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6604 * config/i386/predicates.md (tls_modbase_operand): New.
6605 (tp_or_register_operand): New.
6607 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6609 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6610 (look_for_address_of): Ditto.
6611 (ipa_init): Walk the function decls.
6612 (static_execute): Don't set readonly on FUNCTION_DECL's.
6614 2006-01-18 Roger Sayle <roger@eyesopen.com>
6616 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6617 for shifts where the source and destination registers are different.
6619 2006-01-18 Paul Brook <paul@codesourcery.com>
6621 Merge from csl-arm-branch.
6622 2005-03-14 Julian Brown <julian@codesourcery.com>
6623 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6624 (aeabi_llsl): Likewise.
6625 (ashrdi3): Likewise.
6626 (aeabi_lasr): Likewise.
6627 (lshrdi3): Likewise.
6628 (aeabi_llsr): Likewise.
6629 2005-03-10 Julian Brown <julian@codesourcery.com>
6630 * config.gcc: Disable shared libgcc for SymbianOS.
6631 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6633 2006-01-18 DJ Delorie <dj@redhat.com>
6635 * c-pragma.c (handle_pragma_diagnostic): New.
6636 (init_pragma): Register it.
6637 * doc/extend.texi: Document it.
6639 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6640 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6641 (diagnostic_context): Add classify_diagnostic[].
6642 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6643 as errors if they're overridden to DK_WARNING.
6644 (diagnostic_initialize): Initialize classify_diagnostic[].
6645 (diagnostic_set_kind_override): New.
6646 (diagnostic_report_diagnostic): Check for kind changes.
6647 * opts.c (common_handle_option): Take lang_mask. Update callers.
6649 * common.opt (Werror=): New.
6650 * doc/invoke.texi: Document -Werror=*
6652 2006-01-18 Jeff Law <law@redhat.com>
6654 * tree-vrp.c (test_for_singularity): Correct test for new
6655 min limit. Use operand_equal_p rather than pointer equality
6656 for testing if new min/max values are equal.
6658 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6659 using range information until after propagation and folding.
6661 2006-01-18 Richard Henderson <rth@redhat.com>
6662 Aldy Hernandez <aldyh@redhat.com>
6663 Jakub Jelinek <jakub@redhat.com>
6664 Diego Novillo <dnovillo@redhat.com>
6666 * omp-low.c: New file.
6667 * c-omp.c: New file.
6669 2006-01-18 Richard Henderson <rth@redhat.com>
6670 Jakub Jelinek <jakub@redhat.com>
6671 Diego Novillo <dnovillo@redhat.com>
6673 * doc/invoke.texi: Document -fopenmp.
6674 * tree-dump.h (debug_function): Declare.
6675 * hooks.c (hook_bool_tree_bool_false): New function.
6676 (hook_tree_tree_null): Remove.
6677 (hook_tree_tree_tree_null): New.
6678 * hooks.h: Update to match.
6679 * tree-pretty-print.c (debug_tree_chain): New.
6680 (print_generic_expr): Handle TDF_CHAIN.
6681 (dump_generic_node): Handle BLOCK.
6682 Do not abort with incomplete SWITCH_EXPRs.
6683 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6684 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6685 print space after directive name.
6686 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6687 Handle OMP_MASTER and OMP_ORDERED.
6688 Handle printing of OMP_BODY just in one place, goto
6689 dump_omp_body in the rest of OMP_* nodes that have
6691 Don't handle clause nodes here. Update omp statements to
6692 use dump_omp_clauses.
6693 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6694 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6695 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6696 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6697 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6698 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6699 Adjust output for GOMP_PARALLEL.
6700 (dump_omp_clauses): New.
6701 (print_declaration): Dump DECL_VALUE_EXPR.
6702 (op_symbol_1): Split out of op_symbol.
6703 (dumping_stmts): Remove. Update all users.
6704 * cgraph.c (cgraph_analyze_queue): New.
6705 (cgraph_add_new_function): New.
6706 * cgraph.h (cgraph_analyze_queue): Declare.
6707 (cgraph_add_new_function): Declare.
6708 (cgraph_lower_function): Remove.
6709 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6710 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6711 and TYPE_P nodes in its default clause.
6712 (empty_body_p): New.
6713 (tree_range_check_failed): New.
6715 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6716 OMP_CLAUSE_REDUCTION_MERGE,
6717 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6718 OMP_CLAUSE_PRIVATE_DEBUG,
6719 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6720 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6721 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6722 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6723 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6724 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6725 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6726 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6727 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6728 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6729 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6730 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6731 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6732 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6733 (TREE_RANGE_CHECK): New.
6734 (empty_body_p): Declare.
6735 (enum omp_clause_default_kind): New.
6736 (build_string_literal): Declare.
6737 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6738 (build5_stat, build5): Declare.
6739 * tree-pass.h (TDF_CHAIN): Define.
6740 * tree-pass.h (PROP_gimple_lomp): Define.
6741 (pass_lower_omp): Declare.
6742 * diagnostic.h (debug_tree_chain): Declare.
6743 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6745 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6746 * builtins.c (build_string_literal): Make extern.
6747 * gcc.c (include_spec_function): New.
6748 (static_spec_functions): Add it.
6749 (main): Move load of libgomp.spec ...
6750 (LINK_COMMAND_SPEC): ... here.
6751 (link_gomp_spec): New.
6752 (static_specs): Include it.
6753 (LINK_COMMAND_SPEC): Add link_gomp.
6754 (GOMP_SELF_SPECS): New.
6755 (driver_self_specs): Include it.
6756 (switch_matches): Don't mark inline.
6757 (main): Load libgomp.spec.
6758 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6759 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6760 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6761 * tree-gimple.h (enum omp_parallel): Declare.
6762 (determine_parallel_type): Declare.
6763 (omp_firstprivatize_variable): Declare.
6764 (omp_reduction_init): Declare.
6765 (diagnose_omp_structured_block_errors): Declare.
6766 (struct walk_stmt_info): Add want_return_expr.
6767 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6768 (find_omp_clause): Declare.
6769 (insert_field_into_struct): Declare.
6770 (struct walk_stmt_info): Move from tree-nested.c
6771 (walk_stmts): Declare.
6772 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6774 * cgraphunit.c (cgraph_lower_function): Make static.
6775 (cgraph_finalize_pending_functions): New.
6776 (cgraph_finalize_function): Call it.
6777 (cgraph_finalize_compilation_unit): Likewise.
6778 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6779 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6780 (BT_FN_UINT_UINT): New.
6781 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6782 DEF_FUNCTION_TYPE_VAR_4): Document.
6783 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6784 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6785 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6786 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6787 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6788 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6789 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6790 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6791 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6792 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6793 into separate files.
6794 (DEF_GOMP_BUILTIN): New.
6795 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
6796 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
6797 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
6798 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
6799 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
6800 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
6801 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
6802 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
6803 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
6804 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
6805 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
6806 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
6807 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
6808 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
6809 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
6810 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
6811 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
6812 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
6813 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
6814 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
6815 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
6816 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
6817 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
6818 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
6819 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
6820 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
6821 * sync-builtins.def: New file, moved from builtins.def.
6822 * omp-builtins.def: New file, moved from builtins.def.
6823 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
6824 * gimple-low.c (lower_function_body): Clear data.
6825 (lower_stmt): Do not handle COMPOUND_EXPR.
6826 Remove call to print_node_brief.
6827 * c-tree.h (c_finish_omp_clauses): New prototype.
6828 (C_DECL_THREADPRIVATE_P): Define.
6829 (lookup_name_no_remap, c_omp_remap_private): Remove
6830 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
6831 (check_for_loop_decls): Update decl.
6832 (lookup_name_no_remap, c_omp_remap_private): Declare.
6833 (build_indirect_ref, build_modify_expr, pushdecl,
6834 pushdecl_top_level): Move to c-common.h.
6835 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
6836 before the switch, but just in the 2 places that need it.
6837 * c-decl.c (diagnose_mismatched_decls): Do not check for
6838 mismatched thread-local attributes when OLDDECL is marked
6839 threadprivate and NEWDECL has no thread-local attributes.
6840 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
6841 (c_gimple_diagnostics_recursively): Rename from
6842 c_warn_unused_result_recursively. Invoke
6843 diagnose_omp_structured_block_errors.
6844 (check_for_loop_decls): Return a singular decl found.
6845 * langhooks.c (lhd_omp_predetermined_sharing): Return
6846 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
6847 (lhd_omp_firstprivatize_type_sizes): New.
6848 (lhd_omp_assignment): New.
6849 (lhd_omp_predetermined_sharing): New.
6850 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
6851 (struct lang_hooks_for_types): Add
6852 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
6853 omp_predetermined_sharing, omp_disregard_value_expr,
6854 omp_private_debug_clause, omp_clause_default_ctor,
6855 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
6856 (c_finish_omp_clauses): New.
6857 (c_finish_bc_stmt): Diagnose break within omp for.
6858 (c_begin_omp_parallel, c_finish_omp_parallel): New.
6859 (build_unary_op): Return error_mark after reporting
6861 (build_modify_expr): Likewise.
6862 * gimplify.c: Include optabs.h and pointer-set.h.
6863 (enum gimplify_omp_var_data): Declare.
6864 (struct gimplify_omp_ctx): Declare.
6865 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
6867 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
6868 (push_gimplify_context, pop_gimplify_context): Allow nesting.
6869 (splay_tree_compare_decl_uid): New.
6870 (new_omp_context): New.
6871 (delete_omp_context): New.
6872 (gimple_add_tmp_var): Call omp_add_variable.
6873 (gimplify_bind_expr): Likewise.
6874 (gimplify_var_or_parm_decl): If omp_notice_variable returned
6875 true, disregard DECL_VALUE_EXPR on the decl if any.
6876 (gimplify_expr_in_ctx): New.
6877 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
6878 omp_add_variable, omp_notice_variable, omp_is_private
6879 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
6880 gimplify_adjust_omp_clauses, gimplify_omp_parallel
6881 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
6882 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
6883 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
6884 gimplify_omp_atomic): New.
6885 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6886 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6887 OMP_CRITICAL and OMP_ATOMIC.
6888 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6889 * c-pragma.h (enum pragma_kind): Add
6890 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6891 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6892 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6893 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6894 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6895 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6896 PRAGMA_OMP_THREADPRIVATE.
6897 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6898 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6899 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6900 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6901 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6902 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6903 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6904 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6905 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6906 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6907 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6908 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6909 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6911 (struct nesting_info): Add field_map,
6912 suppress_expansion, debug_var_chain.
6913 (create_nesting_tree): Initialize them.
6914 (lookup_field_for_decl): Use field_map.
6915 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6916 (convert_local_omp_clauses): New.
6917 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6918 (walk_body): Split out of walk_function.
6919 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6920 (convert_nonlocal_reference): Handle omp statements.
6921 (convert_local_reference): Likewise.
6922 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6923 (unnest_nesting_tree): New.
6924 (lower_nested_functions): Call it.
6925 (insert_field_into_struct): Make extern.
6926 (struct walk_stmt_info): Move to tree-gimple.h.
6927 (walk_stmts): Make extern.
6928 * omp-builtins.def: New file.
6929 * tree-iterator.c (expr_only): Clarify comment.
6930 * c-common.h (pushdecl_top_level, pushdecl,
6931 build_modify_expr, build_indirect_ref,
6932 c_finish_omp_master, c_finish_omp_critical,
6933 c_finish_omp_ordered, c_finish_omp_barrier,
6934 c_finish_omp_atomic, c_finish_omp_flush,
6935 c_finish_omp_for, c_split_parallel_clauses,
6936 omp_clause_default_kind, c_omp_sharing_predetermined,
6937 c_omp_remap_decl): Declare.
6938 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6939 (OBJS-common): Add omp-low.o.
6940 (c-omp.o, omp-low.o): Add.
6941 (gimplify.o): Add dependency on $(OPTABS_H).
6942 (GTFILES): Add omp-low.c.
6943 (gt-stringpool.h): Add.
6944 * tree-cfg.c (set_bb_for_stmt): Do not update the
6945 block-to-labels map if we are currently expanding to RTL.
6946 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
6948 Handle IDENTIFIER_NODE.
6949 (tree_verify_flow_info): Do not ICE when emitting error
6950 messages about invalid labels.
6951 (dump_function_to_file): Reset CFUN before emitting the body
6953 (debug_function): New.
6954 * passes.c (init_optimization_passes): Schedule
6956 * langhooks-def.h (lhd_omp_predetermined_sharing,
6957 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
6959 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
6960 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
6961 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
6962 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
6963 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
6964 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
6965 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
6966 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
6967 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
6968 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
6969 (LANG_HOOK_DECLS): Use them.
6971 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6972 Richard Henderson <rth@redhat.com>
6973 Jakub Jelinek <jakub@redhat.com>
6974 Diego Novillo <dnovillo@redhat.com>
6976 * c-parser.c (pragma_omp_clause): Define.
6977 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6978 (c_parser_compound_statement): Likewise.
6979 (c_parser_statement): Likewise.
6980 (c_parser_pragma): Handle omp pragmas.
6981 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6982 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6983 (c_parser_omp_clause_name, check_no_duplicate_clause,
6984 c_parser_omp_variable_list,
6985 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6986 c_parser_omp_clause_copyprivate,
6987 c_parser_omp_clause_default,
6988 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6989 c_parser_omp_clause_lastprivate,
6990 c_parser_omp_clause_nowait,
6991 c_parser_omp_clause_num_threads,
6992 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6993 c_parser_omp_clause_reduction,
6994 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
6995 c_parser_omp_all_clauses, c_parser_omp_structured_block,
6996 c_parser_omp_atomic, c_parser_omp_barrier,
6997 c_parser_omp_critical, c_parser_omp_flush,
6998 c_parser_omp_for_loop, c_parser_omp_for,
6999 c_parser_omp_master, c_parser_omp_ordered,
7000 c_parser_omp_sections_scope, c_parser_omp_sections,
7001 c_parser_omp_parallel, c_parser_omp_single,
7002 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7003 * c-pragma.c (init_pragma): Do omp pragma registration here.
7004 * c.opt (fopenmp): New flag.
7006 2006-01-18 Eric Christopher <echristo@apple.com>
7008 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7009 * config/darwin.h (GOMP_SELF_SPECS): Define.
7011 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7013 * rtl.h: Remove the prototype for reg_alloc.
7015 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7018 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7019 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7020 sjlj and dwarf2 exception handling.
7021 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7022 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7023 * pa/pa.c (function_value): Treat complex and vector types as
7025 (function_arg): Likewise. Only pass scalar floats in the floating
7026 point argument registers.
7027 * pa/t-slibgcc-dwarf-ver: New file.
7028 * pa/t-slibgcc-sjlj-ver: New file.
7029 * pa/t-slibgcc-elf-ver: Delete file.
7031 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7033 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7034 unlikely_test_section_p test.
7036 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7038 * mode-switching.c (optimize_mode_switching): Make it static.
7039 * basic-block.h: Remove the prototype for
7040 optimize_mode_switching.
7042 * modulo-sched.c (sms_schedule): Make it static.
7043 * rtl.h: Remove the prototype for sms_schedule.
7045 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7046 * rtl.h: Remove the prototype for gcse_after_reload_main.
7048 * reg-stack.c (reg_to_stack): Make it static.
7049 * rtl.h: Remove the prototype for reg_to_stack.
7051 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7053 * rtl.h: Remove the prototypes for regrename_optimize and
7054 copyprop_hardreg_forward.
7056 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7058 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7059 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7060 Test against the appropriate null constant for the mode.
7061 If 'fixup_overlap' is true, swap the operands if they overlap.
7062 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7063 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7064 alpha_split_tmode_pair and adjust for above change.
7065 * config/alpha/alpha.md (movtf_internal): Adjust call to
7066 alpha_split_tfmode_pair and rely on it to swap the operands.
7067 (movti_internal): New insn and post-reload splitter.
7068 (movti): New expander.
7070 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7072 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7075 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7077 * rtlanal.c (global_reg_mentioned_p_1,
7078 global_reg_mentioned_p): Remove.
7079 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7081 * flow.c (initialize_uninitialized_subregs): Make it static.
7082 * rtl.h: Remove the prototype for
7083 initialize_uninitialized_subregs.
7085 * function.c (instantiate_virtual_regs): Make it static.
7086 * function.h: Remove the prototype for
7087 instantiate_virtual_regs.
7089 * regmove.c (regmove_optimize, combine_stack_adjustments):
7091 * rtl.h: Remove the prototypes for regmove_optimize and
7092 combine_stack_adjustments.
7094 2006-01-17 Roger Sayle <roger@eyesopen.com>
7096 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7097 (size_cost): Encode costs in bytes so that a reg-reg addition is
7098 equivalent to COSTS_N_INSNS(1).
7099 (override_options): Use the size_cost.branch_cost as the default
7100 ix86_branch_cost when optimizing for size.
7102 2006-01-18 Ben Elliston <bje@au.ibm.com>
7104 * Makefile.in (D32PBIT_FUNCS): New.
7105 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7106 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7107 D64PBIT_FUNCS and D128PBIT_FUNCS.
7108 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7109 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7111 (decnumber_dep): Define.
7112 * doc/libgcc.texi (Decimal float library routines): New node.
7113 * config/dfp-bit.h, config/dfp-bit.c: New files.
7115 2006-01-18 Ben Elliston <bje@au.ibm.com>
7117 * expr.c (emit_move_change_mode): Always adjust addresses, not
7118 just during reload. Copy replacements only during reload.
7119 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7120 emit_move_via_integer.
7122 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7124 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7125 instead of $(srcdir) and ${srcdir}.
7127 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7131 * arm.h (struct machine_function): Add pic_reg.
7132 * arm.c (arm_pic_register): Make unsigned.
7133 (arm_override_options): Only set arm_pic_register if
7134 TARGET_SINGLE_PIC_BASE.
7135 (use_return_insn): Only test for a pic register if it is fixed.
7136 (arm_compute_save_reg0_reg12_mask): Likewise.
7137 (thumb_compute_save_reg_mask): Likewise.
7138 (legitimate_pic_operand): Factor out some known invariants.
7139 (legitimize_pic_address): If we don't have a fixed pic register,
7140 then set up a pseudo in the function entry sequence. Handle the
7141 pic base being in a pseudo.
7142 (arm_load_pic_register): Handle the pic register being in a pseudo.
7143 (arm_expand_prologue): Only set up the pic register if it is fixed.
7144 (thumb_expand_prologue): Likewise.
7145 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7146 (pic_load_addr_based_insn): Likewise.
7147 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7150 2006-01-18 Ben Elliston <bje@au.ibm.com>
7152 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7153 decimal float modes for all floating point registers.
7155 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7156 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7158 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7161 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7162 even when the pointer is not NULL.
7164 2006-01-16 Ian Lance Taylor <ian@airs.com>
7166 * common.opt (ftoplevel-reorder): New option.
7167 * cgraph.c (cgraph_asm_nodes): New global variable.
7168 (cgraph_asm_last_node): New static variable.
7169 (cgraph_order): New global variable.
7170 (cgraph_create_node): Set new order field.
7171 (cgraph_varpool_node): Likewise.
7172 (decide_is_variable_needed): Return true if not
7173 flag_toplevel_reorder.
7174 (cgraph_add_asm_node): New function.
7175 * cgraph.h (struct cgraph_node): Add order field.
7176 (struct cgraph_varpool_node): Add order field.
7177 (struct cgraph_asm_node): Define.
7178 (cgraph_asm_nodes, cgraph_order): Declare.
7179 (cgraph_add_asm_node): Declare.
7180 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7182 (cgraph_varpool_assemble_pending_decls): Call it.
7183 (cgraph_output_pending_asms): New static function.
7184 (cgraph_finalize_compilation_unit): Call it.
7185 (struct cgraph_order_sort): Define.
7186 (cgraph_output_in_order): New static function.
7187 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7188 !flag_toplevel_reorder case.
7189 * c-parser.c: Include "cgraph.h".
7190 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7192 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7193 than -fno-unit-at-a-time.
7194 * doc/invoke.texi (Option Summary): Mention
7195 -fno-toplevel-reorder.
7196 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7197 -funit-at-a-time documentation.
7199 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7200 Kazu Hirata <kazu@codesourcery.com>
7202 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7204 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7206 * Makefile.in (FUNCTION_H): New. Use it instead of
7207 function.h throughout the file.
7208 * function.h: Include tree.h.
7210 2006-01-17 Ben Elliston <bje@au.ibm.com>
7212 * recog.c: Separate some functions with whitespace.
7214 2006-01-16 Richard Henderson <rth@redhat.com>
7216 Merge from gomp branch:
7217 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7218 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7219 and rename from struct inline_data. Rename callee* to dst*;
7220 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7221 transform_new_cfg, transform_return_to_modify, and
7222 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7224 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7225 (copy_decl_for_dup): Remove.
7226 * tree-inline.c (struct inline_data): Move to header.
7227 (insert_decl_map): Export.
7228 (remap_decl): Update for member name changes. Use copy_decl hook.
7229 Allow for replacement to be a non-decl. Remove dead code.
7230 (remap_type_1): Check for existing mapping.
7231 (remap_type): Export.
7232 (remap_decls): Update for member name changes.
7233 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7234 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7235 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7236 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7237 (tree_function_versioning, build_duplicate_type): Likewise.
7238 (copy_body_r): Likewise. Export.
7239 (copy_decl_for_dup): Split into ...
7240 (copy_decl_for_dup_finish, copy_decl_to_var,
7241 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7242 (replace_ref_tree, inlining_p): Remove.
7244 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7246 * ifcvt.c (if_convert): Make it static.
7247 * rtl.h: Remove the prototype for if_convert.
7249 * local-alloc.c (local_alloc): Make it static.
7250 * rtl.h: Remove the prototype for local_alloc.
7252 * loop.c (loop_optimize): Make it static.
7253 * cfgloop.h: Remove the prototype for loop_optimize.
7256 2006-01-16 DJ Delorie <dj@redhat.com>
7258 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7261 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7263 * pa.md: Disparage copies between general and floating-point registers
7264 in 32-bit move patterns.
7266 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7269 * Makefile.in (check-%): Depend on site.exp instead of
7270 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7273 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7275 * global.c (global_alloc): Make it static.
7276 * rtl.h: Remove the prototype for global_alloc.
7278 2006-01-16 Richard Guenther <rguenther@suse.de>
7280 * tree-ssa-alias.c (struct used_part): Add write_only field.
7281 (get_or_create_used_part_for): Initialize it to true.
7282 (create_overlap_variables_for): Don't create structure variables
7283 for structures that only are written to.
7284 (find_used_portions): Handle MODIFY_EXPR to track whether a
7285 structure is only written to.
7287 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7289 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7291 * basic-block.h: Remove the prototype for
7292 partition_hot_cold_basic_blocks.
7294 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7296 * cppspec.c (lang_specific_spec_functions): Remove.
7297 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7298 * gcc.h (lang_specific_spec_functions): Remove.
7299 * gccspec.c (lang_specific_spec_functions): Remove.
7301 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7303 * combine.c (record_value_for_reg): Invalidate registers
7305 (record_dead_and_set_regs_1): Likewise, by passing them to
7306 record_value_for_reg.
7307 (record_dead_and_set_regs): Invalidate stores made by a
7308 call. We do not combine across a call, but we still
7309 relied on equivalences.
7311 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7313 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7314 vrp_int_const_binop returning non-constant nodes.
7316 2006-01-16 Paul Brook <paul@codesourcery.com>
7318 * config/m68k/m68k.c (output_move_const_into_data_reg):
7319 Output correct mnemonic for mvz and mvs.
7321 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7323 * rtl-factoring.c: Add sequence abstraction algorithm.
7324 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7325 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7327 (block_has_preserve_label): New function.
7328 * common.opt: Register new pass.
7329 * Makefile.in: Ditto.
7331 * timevar.def: Ditto.
7332 * tree-pass.h: Ditto.
7333 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7334 * rtl.h (make_jump_insn_raw): Add forward decl.
7335 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7337 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7338 Roger Sayle <roger@eyesopen.com>
7340 * fold-const.c (fold_minmax): New static function.
7341 (fold_binary) <MIN_EXPR>: Call it.
7342 <MAX_EXPR>: Likewise.
7343 * stor-layout.c (place_field): Use DECL_SIZE consistently
7344 in the computation of the new record size.
7346 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7348 * cse.c (cse_condition_code_reg): Make it static.
7349 * rtl.h: Remove the prototype for cse_condition_code_reg.
7351 * combine.c (combine_instructions): Make it static.
7352 * rtl.h: Remove the prototype for combine_instructions.
7354 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7357 * tree.c (get_file_function_name_long): Concatenate the first global
7358 object name with a string derived from the input filename of the object
7361 2006-01-16 Ben Elliston <bje@au.ibm.com>
7363 * config/i386/winnt-stubs.c: Update FSF address.
7364 * config/xtensa/ieee754-df.S: Ditto.
7365 * config/xtensa/ieee754-sf.S: Ditto.
7367 2006-01-14 Ian Lance Taylor <ian@airs.com>
7369 * ifcvt.c (noce_init_if_info): New static function, broken out of
7370 noce_process_if_block.
7371 (noce_process_if_block): Call noce_init_if_info.
7372 (check_cond_move_block): New static function.
7373 (cond_move_process_if_block): New static function.
7374 (process_if_block): Call cond_move_process_if_block.
7376 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7378 * cselib.c (hash_table): Rename to cselib_hash_table.
7379 (cselib_clear_table, discard_useless_values,
7380 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7381 cselib_init, cselib_finish): Adjust uses of hash_table.
7383 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7385 PR tree-optimization/25485
7386 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7387 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7388 is known to be false and true, respectively.
7390 2006-01-14 Richard Guenther <rguenther@suse.de>
7392 PR tree-optimization/22548
7393 PR tree-optimization/22555
7394 PR tree-optimization/22501
7395 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7396 * params.def (salias-max-array-elements): New parameter.
7397 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7398 * doc/invoke.texi (salias-max-array-elements): Document.
7399 * tree-flow-inline.h (var_can_have_subvars): We also handle
7401 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7403 * tree-ssa-structalias.c (params.h): Include.
7404 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7405 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7406 (get_constraint_for): For ADDR_EXPR operating on something
7407 containing an ARRAY_REF, add all subvars to the solution.
7408 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7409 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7410 for creating MUST_DEFs.
7411 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7413 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7415 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7417 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7418 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7419 number_of_iterations_le): New functions.
7420 (number_of_iterations_special): Removed.
7421 (number_of_iterations_exit): Do not use number_of_iterations_special.
7422 * tree.c (unsigned_type_for): Always return integer type.
7424 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7425 Richard Guenther <rguenther@suse.de>
7427 PR rtl-optimization/24257
7428 * gcse.c (find_moveable_store): Only consider a store movable
7429 when the SET_SRC of the insn can be assigned to a register.
7431 2006-01-14 Ian Lance Taylor <ian@airs.com>
7433 * tree.c (tree_not_class_check_failed): New function.
7434 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7435 (tree_not_class_check_failed): Declare.
7437 2006-01-13 Ian Lance Taylor <ian@airs.com>
7439 * reload1.c (do_output_reload): Add assertion rejecting a
7442 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7444 * combine.c (struct reg_stat): Add new fields truncation_label and
7446 (record_value_for_reg): Reset truncated_to_mode.
7447 (record_truncated_value): New function.
7448 (check_promoted_subreg): Call it. Rename to check_conversions.
7449 (combine_instructions): Rename check_promoted_subreg to
7451 (reg_truncated_to_mode): New function.
7452 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7453 (gen_lowpart_or_truncate): New function.
7454 (force_to_mode): Use it instead of gen_lowpart.
7456 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7458 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7459 VAR is a tag, not its type tag.
7461 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7463 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7464 alternatives to match style of other entries.
7465 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7467 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7469 PR tree-optimization/25771
7470 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7473 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7476 * tree-inline.c (declare_return_variable): If the return variable
7477 was marked as a non gimple complex, set the return slot variable
7478 to be a non gimple comple variable.
7480 2006-01-13 Richard Guenther <rguenther@suse.de>
7482 * builtins.c (expand_builtin_sincos): New function.
7483 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7485 (expand_builtin): Expand sincos using expand_builtin_sincos.
7487 2006-01-12 DJ Delorie <dj@redhat.com>
7489 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7490 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7491 so that constant shifts can be split.
7492 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7493 (m32c_valid_pointer_mode): Make static.
7494 (shift_gen_func_for): New.
7495 (m32c_prepare_shift): Use it. Split large const shifts into
7497 * config/m32c/predicates.md (shiftcount_operand): Allow more
7499 (longshiftcount_operand): New.
7500 * doc/md.texi (Machine Constraints): Document In6.
7502 2006-01-13 Ben Elliston <bje@au.ibm.com>
7504 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7505 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7508 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7510 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7511 to try to avoid clobbering pieces of structures when we know
7512 something about the whole structure.
7513 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7515 2006-01-13 Ben Elliston <bje@au.ibm.com>
7517 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7518 return in memory, as this is no limitation is no longer present.
7520 2006-01-12 DJ Delorie <dj@redhat.com>
7522 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7523 mova with fb, and for fb+0 -> An.
7525 * config/m32c/mov.md (peephole2): Fix enabling logic.
7527 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7528 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7529 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7530 FINI_ARRAY_SECTION_ASM_OP): Define.
7532 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7534 (m32c_legitimize_reload_address): New logic to reload FB to An.
7535 (m32c_output_reg_push): Add newline.
7536 (m32c_output_reg_pop): Likewise.
7538 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7540 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7542 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7544 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7546 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7548 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7551 2006-01-11 Ben Elliston <bje@au.ibm.com>
7553 * rtlanal.c (find_reg_note): Assert insn is not null.
7555 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7557 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7560 2006-01-11 Jeff Law <law@redhat.com>
7562 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7564 (mark_threaded_blocks, register_jump_thread): New functions.
7565 (thread_through_all_blocks): Remove unwanted argument. No
7566 longer rely on e->aux to communicate thread target info.
7567 Call mark_threaded_blocks. Release the threaded_blocks
7568 bitmap and threaded_edges vector when complete.
7569 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7570 (threaded_blocks): Remove.
7571 (tree_ssa_dominator_optimize): Remove initialization and
7572 finalization of threaded_blocks. Simplify call to
7573 thread_through_all_blocks.
7574 (thread_across_edge): Call register_jump_thread rather than
7575 storing thread information into e->aux.
7576 (free_all_edge_infos): Simplify now that e->aux is no longer
7577 used to communicate with thread_through_all_blocks.
7578 * tree-flow.h (thread_through_all_blocks): Update prototype.
7579 (register_jump_thread): Prototype.
7581 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7583 * df-core.c (df_compact_blocks, df_bb_replace): Use
7584 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7586 2006-01-11 Richard Guenther <rguenther@suse.de>
7588 PR tree-optimization/25734
7589 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7590 stop propagation after successful propagation to the LHS.
7592 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7594 * basic-block.h (control_flow_graph): Change the type of
7595 x_basic_block_info to VEC(basic_block,gc) *.
7596 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7598 (SET_BASIC_BLOCK): New.
7599 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7600 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7601 * cfgbuild.c (find_basic_blocks): Likewise.
7602 * cfglayout.c (fixup_reorder_chain): Likewise.
7603 * cfgrtl.c (create_basic_block_structure,
7604 rtl_create_basic_block): Likewise.
7605 * ifcvt.c (find_if_case_1): Likewise.
7606 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7609 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7611 * Makefile.in: Removed rotted odf.c entry.
7613 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7616 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7617 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7618 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7619 output pattern modifier, not %e.
7620 * config/cris/cris.c (cris_op_str): Update comment about pattern
7622 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7623 before falling through into...
7624 <case 'E'>: Redefined from old 'e' case.
7626 2006-01-11 Jan Hubicka <jh@suse.cz>
7629 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7631 2006-01-11 Jan Hubicka <jh@suse.cz>
7633 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7634 * i386.c (x86_decompose_lea): Kill.
7635 (ix86_rtx_costs): Kill.
7637 2006-01-11 Jan Hubicka <jh@suse.cz>
7639 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7640 * cgraph.h (cgraph_node): Add inline_decl.
7641 (cgraph_insert_node_to_hashtable): Declare.
7642 (save_inline_function_body): Declare.
7643 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7645 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7646 (cgraph_function_versioning): Update call of tree_function_versioning.
7647 (save_inline_function_body): New function.
7648 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7649 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7650 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7651 (cgraph_default_inline_p): Likewise.
7652 (cgraph_decide_inlining_incrementally): Likewise.
7653 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7654 (copy_bb): Kill saving; do updating of clones.
7655 (copy_cfg_body): Kill saving.
7656 (initialize_inlined-parameters): Likewise.
7657 (expand_call_inline): Likewise.
7659 (tree_function_versioning): New parameter "update_clones".
7660 (inlining_p): Kill saving.
7661 * tree-inline.h (tree_function_versioning): Update prototype.
7662 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7665 2006-01-11 Ian Lance Taylor <ian@airs.com>
7667 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7668 Allow undoing set of machine mode.
7669 (do_SUBST): Use enums instead of is_int.
7670 (do_SUBST_MODE): New function.
7671 (SUBST_MODE): New macro.
7672 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7673 reg and trying to replace reg_regno_rtx with a new register.
7674 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7675 (simplify_set): Use SUBST_MODE.
7676 (distribute_notes): Remove code that tried to update reg notes
7677 for regno_reg_rtx changes.
7679 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7681 PR tree-optimization/23109
7682 PR tree-optimization/23948
7683 PR tree-optimization/24123
7685 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7686 * tree-cfg.c (single_noncomplex_succ): New.
7687 * tree-flow.h (single_noncomplex_succ): Declare it.
7688 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7689 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7690 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7691 insert_bb, register_division_in, insert_reciprocals,
7692 replace_reciprocal, free_bb): New.
7693 (execute_cse_reciprocals_1): Rewritten.
7694 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7695 Do not commit any edge insertion. Always compute dominators and
7696 create the allocation pool.
7697 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7698 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7699 * targhooks.c (default_min_divistions_for_recip_mul): New.
7700 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7701 * passes.c (init_optimization_passes): Run recip after tree loop
7703 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7705 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7706 Kenneth Zadeck <zadeck@naturalbridge.com>
7708 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7709 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7710 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7711 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7712 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7713 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7714 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7715 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7716 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7717 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7718 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7719 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7720 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7721 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7722 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7723 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7724 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7725 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7726 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7727 DF_SCAN_POST_ALLOC): New macros.
7728 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7729 df_free_bb_function, df_local_compute_function, df_init_function,
7730 df_dataflow_function, df_confluence_function_0,
7731 df_confluence_function_n, df_transfer_function,
7732 df_finalizer_function, df_free_function, df_dump_problem_function,
7733 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7734 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7735 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7736 df_urec_bb_info, ) New types.
7737 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7739 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7740 df_analyze_simple_change_some_blocks,
7741 df_analyze_simple_change_one_block, df_compact_blocks,
7742 df_bb_replace, df_bb_regno_last_use_find,
7743 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7744 df_insn_regno_def_p, df_find_def, df_find_use,
7745 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7746 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7747 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7748 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7749 debug_df_chain, df_get_dependent_problem, df_chain_create,
7750 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7751 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7752 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7753 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7754 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7755 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7756 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7757 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7758 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7759 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7760 df_reorganize_refs, df_set_state, df_hard_reg_init,
7761 df_read_modify_subreg_p) New public functions.
7762 * df-core.c: The core dataflow solver and glue routines for rtl
7764 (df_init, df_add_problem, df_set_blocks, df_finish,
7765 df_hybrid_search_forward, df_hybrid_search_backward,
7766 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7767 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7768 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7769 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7770 df_reg_defined, df_find_use, df_reg_used, df_dump,
7771 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7772 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7773 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7774 debug_df_useno, reset_df_after_reload): New functions.
7775 * df-scan.c: The scanning fuctions, once in df.c, completely
7776 rewritten so that they now fully model the functionality of
7777 register usage at the backend.
7778 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7779 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7780 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7781 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7782 df_get_artificial_defs, df_get_artificial_uses,
7783 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7784 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7785 df_refs_delete, df_reorganize_refs, df_set_state,
7786 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7787 df_def_record_1, df_defs_record, df_uses_record,
7788 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7789 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7790 df_record_exit_block_uses, df_hard_reg_init): New functions.
7792 * df-problems.c: Seven concrete dataflow problems that use the
7793 scanning in df-scan.c and are solved by the engine in df-core.c.
7794 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
7795 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
7796 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
7797 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
7798 df_ru_free_bb_info, df_ru_alloc,
7799 df_ru_bb_local_compute_process_def,
7800 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7801 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7802 df_ru_transfer_function, df_ru_free, df_ru_dump,
7803 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
7804 df_rd_free_bb_info, df_rd_alloc,
7805 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
7806 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
7807 df_rd_transfer_function, df_rd_free, df_rd_dump,
7808 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
7809 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
7810 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
7811 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
7812 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
7813 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
7814 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
7815 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
7816 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
7817 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
7818 df_urec_mark_reg_change, df_urec_check_earlyclobber,
7819 df_urec_mark_reg_use_for_earlyclobber,
7820 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
7821 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
7822 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
7823 df_urec_dump, df_urec_add_problem, df_chain_alloc,
7824 df_chain_create_bb_process_use, df_chain_create_bb,
7825 df_chain_finalize, df_chain_free, df_chains_dump,
7826 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
7827 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
7828 df_reg_lifetime): New functions.
7829 * df.c: Deleted file.
7830 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
7831 consistent with new df api.
7832 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
7833 rest_of_handle_sms): Ditto.
7834 * web.c (unionfind_union, union_defs, entry_register, web_main):
7836 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
7837 invariant_expr_equal_p, find_defs, check_dependencies,
7838 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
7839 free_inv_motion_data, move_loop_invariants): Ditto.
7840 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
7841 Update dependencies.
7842 (odf.c): Added defective entry that was deleted later in day.
7843 * sched-deps.c (sched_analyze_1): Ditto.
7845 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7847 * tree-ssa-operands.c (get_expr_operands): Record addressable
7848 variables directly. Do not call add_stmt_operands for CONST_DECLs
7850 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
7851 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
7853 2006-01-11 Ben Elliston <bje@au.ibm.com>
7855 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
7856 function returns true in the positive case.
7858 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7861 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
7862 for SI, DI, SF and DF modes. Add alternatives to copy between
7863 general and floating point registers to the 32-bit patterns.
7864 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
7865 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
7866 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
7867 generating 64-bit code.
7868 * config/pa/pa.c (output_move_double): Handle copies between general
7869 and floating registers.
7871 2006-01-10 Stuart Hastings <stuart@apple.com>
7873 * config/i386/i386.md (set_got): Update.
7874 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
7875 (builtin_setjmp_receiver): Mach-O support.
7876 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
7877 (GOT_SYMBOL_NAME): Define.
7878 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7879 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
7880 * config/i386/i386.c (override_options): Revise for Darwin.
7881 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
7882 support. (darwin_x86_file_end): New. (output_set_got): Add label
7883 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
7884 * config/i386/i386-protos.h (output_set_got): Likewise.
7885 * config/darwin.c (machopic_legitimize_pic_address): Update
7888 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7890 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7891 when MODE isn't BLKmode.
7893 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7895 PR rtl-optimization/25367
7896 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7898 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7901 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7902 for a negative bound.
7904 2006-01-10 Richard Guenther <rguenther@suse.de>
7906 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7907 Never override with anything constraint.
7909 2006-01-10 Jan Beulich <jbeulich@novell.com>
7911 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7912 256 bits when optimize_size.
7914 2006-01-10 Jan Beulich <jbeulich@novell.com>
7916 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7918 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7919 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7922 2006-01-10 Ben Elliston <bje@au.ibm.com>
7924 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7926 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7927 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7928 (USE_FP_FOR_ARG): Reject decimal float modes.
7929 (function_arg_advance): Likewise.
7930 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7931 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7932 point types in AltiVec vectors.
7933 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7934 (rs6000_libcall_value): Likewise.
7936 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7938 * config/xtensa/ieee754-df.S: New file.
7939 * config/xtensa/ieee754-sf.S: New file.
7940 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7941 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7942 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7944 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
7946 * config/sh/predicates.md (binary_float_operator,
7947 binary_logical_operator, commutative_float_operator,
7948 equality_comparison_operator, greater_comparison_operator,
7949 less_comparison_operator, logical_operator,
7950 noncommutative_float_operator, shift_operator,
7951 symbol_ref_operand, unary_float_operator): Remove redundant
7954 2006-01-09 Jeff Law <law@redhat.com>
7956 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
7957 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
7958 now unused arguments. Callers updated.
7959 (eliminate_redundant_computations): Remove now unused arguments,
7961 (local_fold): Remove, no longer used.
7962 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
7964 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
7965 (simplify_cond): New function.
7966 (forward_propagate_into_cond): Call simplify_cond.
7968 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
7970 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
7971 (*vec_extractv2di_1_sse): New.
7973 2006-01-09 Ben Elliston <bje@au.ibm.com>
7975 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7977 2006-01-08 Richard Guenther <rguenther@suse.de>
7979 * tree-ssa-structalias.c (get_constraint_for): Remove
7981 (get_constraint_for_component_ref): Likewise.
7982 (do_deref): Likewise.
7983 (get_constraint_for): Likewise.
7984 (do_structure_copy): Likewise.
7985 (handle_ptr_arith): Likewise.
7986 (find_func_aliases): Likewise. Remove unused need_anyoffset
7989 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7990 Kaz Kojima <kkojima@gcc.gnu.org>
7992 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7993 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
7994 (EXTRA_CONSTRAINT_C16): Remove.
7995 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
7996 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
7997 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
7998 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
7999 constants of SHmedia. Handle nested constant expressions of
8001 (andcosts): Fix the costs for SHmedia constants.
8002 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8003 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8004 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8005 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8006 (movv4hi_i, movv2si_i): Likewise.
8007 (movsi_const): Adjust the second operand of ior so to match with
8009 (movdi_const, movdi_const_32bit): Likewise.
8010 (movdi_const_16bit+1): Don't sign-extend LOW.
8011 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8013 (*double_shori): Fix the split condition. Use GEN_INT instead
8014 of get_int_mode calls. Mask lower 16-bit of the argument of
8016 (sym2GOTPLT): Remove.
8017 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8019 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8020 instead of EXTRA_CONSTRAINT_C16.
8022 2006-01-07 Ian Lance Taylor <ian@airs.com>
8023 David Edelsohn <edelsohn@gnu.org>
8025 PR rtl-optimization/25662
8026 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8027 for constant operands instead of simplify_gen_binary.
8028 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8029 after trying simplify_binary_operation
8031 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8033 * tree.c (iterative_hash_expr): Hash decls based on UID.
8035 2006-01-06 Eric Christopher <echristo@apple.com>
8037 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8038 (TARGET_UNWIND_EMIT): Fix spelling.
8039 * target.h (gcc_target): Add except_table_label.
8040 * except.c (output_function_exception_table): Use.
8041 * varasm.c (default_emit_except_table_label): New.
8042 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8044 (asm_out): Add here.
8045 * output.h (default_emit_except_table_label): Prototype.
8046 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8047 * config/darwin.c (darwin_emit_except_table_label): Define.
8048 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8050 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8052 PR tree-optimization/18527
8053 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8054 number_of_iterations_special, number_of_iterations_exit):
8055 Move base and step of an iv to a single structure. Add
8056 no_overflow flag, and use it in # of iterations analysis.
8057 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8058 folded_casts argument.
8059 (simple_iv): Pass base and step in a structure. Set no_overflow
8061 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8062 Evaluate expensiveness of computing # of iterations instead of
8063 the final expression.
8064 * tree-scalar-evolution.h (affine_iv): New structure.
8065 (simple_iv): Declaration changed.
8066 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8067 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8068 find_givs_in_stmt): Changed due to simple_iv change.
8070 2006-01-06 Jeff Law <law@redhat.com>
8073 * tree-cfg.c (bsi_replace): Rename final argument from
8074 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8075 change (stmt -> orig_stmt).
8076 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8077 (bsi_remove): Add new argument. Remove EH information
8079 (verify_eh_throw_table_statements): New function.
8080 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8082 * tree-optimize.c (execute_free_cfg_annotations): Verify
8083 the EH throw statement table after removing annotations.
8084 * except.h (verify_eh_throw_table_statements): Prototype.
8085 * tree-flow.h (bsi_remove): Update prototype.
8086 * tree-vrp.c (remove_range_assertions): Add new argument to
8088 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8089 * tree-complex.c (expand_complex_div_wide): Likewise.
8090 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8091 * tree-tailcall.c (eliminate_tailcall): Likewise.
8092 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8093 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8094 * tree-nrv.c (tree_nrv): Likewise.
8095 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8096 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8097 (combine_blocks): Likewise.
8098 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8099 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8100 (cleanup_control_flow): Likewise.
8101 (remove_forwarder_block): Likewise.
8102 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8103 * tree-sra.c (sra_replace): Likewise.
8104 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8105 (forward_propagate_single_use_vars): Likewise.
8106 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8107 * tree-inline.c (expand_call_inline): Likewise.
8108 * tree-vect-transform.c (vect_transform_loop): Likewise.
8109 * tree-outof-ssa.c (rewrite_trees): Likewise.
8110 * tree-cfg.c (make_goto_expr_edges): Likewise.
8111 (cleanup_dead_labels): Likewise.
8112 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8113 (bsi_move_before, bsi_move_after): Likewise.
8114 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8115 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8117 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8120 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8122 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8123 on non gimple variables. Also add checks at the top for decls and
8125 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8127 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8128 and IMAGPART_EXPR for creating MUST_DEFs.
8129 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8130 and NAME_MEMORY_TAG separately from the DECLs.
8132 2006-01-06 Richard Guenther <rguenther@suse.de>
8134 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8135 annotation, if necessary.
8136 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8137 redundant calls to update_stmt.
8138 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8141 2006-01-05 Richard Henderson <rth@redhat.com>
8143 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8145 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8147 * c-typeck.c: Update copyright date.
8149 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8151 * c-typeck.c (build_c_cast): Always warn when casting
8152 from a pointer to an integer of different size, even if
8153 the node was constant.
8155 2006-01-05 Richard Guenther <rguenther@suse.de>
8157 PR tree-optimization/22555
8158 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8159 if one structure field is an array.
8160 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8161 operands even if we found a subvar, but ignore VOPs in this
8163 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8165 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8167 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8170 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8172 2006-01-05 Richard Guenther <rguenther@suse.de>
8173 Diego Novillo <dnovillo@redhat.com>
8175 * tree-pass.h (TODO_remove_unused_locals): Define.
8176 * gimple-low.c (expand_var_p, remove_useless_vars,
8177 pass_remove_useless_vars): Remove. Update all users.
8178 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8179 (remove_unused_locals): New function.
8180 * tree-flow.h (remove_unused_locals): Declare.
8181 * passes.c (execute_todo): Call remove_unused_locals if
8182 TODO_remove_unused_locals is set.
8183 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8184 * tree-ssa-dce.c (pass_dce): Likewise.
8185 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8187 2006-01-05 Richard Guenther <rguenther@suse.de>
8189 * tree-flow.h (struct fieldoff): Decompose field to
8190 type, size and decl.
8191 * tree-ssa-alias.c (create_sft): Take type as parameter.
8192 (create_overlap_variables_for): Store type, size and decl
8193 in the fieldoff structure.
8194 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8196 (push_fields_onto_fieldstack): Likewise.
8197 (create_variable_info_for): Likewise. Use offset for the
8198 SFT name if the decl is not available.
8200 2006-01-04 Paul Brook <paul@codesourcery.com>
8202 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8204 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8206 * lambda-code.c (can_put_in_inner_loop): Relax
8208 (can_put_after_inner_loop): New function.
8209 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8210 (perfect_nestify): Change to make copies and modify uses.
8212 2006-01-04 Richard Henderson <rth@redhat.com>
8214 Merge from gomp branch:
8215 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8216 via integer constant.
8217 (pragma_lex): Remove.
8218 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8219 rather than parsing it.
8220 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8221 handle_pragma_extern_prefix): Add %< %> quotes.
8222 (registered_pragmas): New.
8223 (c_register_pragma_1): New.
8224 (c_register_pragma): Use it.
8225 (c_register_pragma_with_expansion): Likewise.
8226 (c_invoke_pragma_handler): New.
8227 (init_pragma): Use cpp_register_deferred_pragma directly for
8229 * c-pragma.h (enum pragma_kind): New.
8230 (pragma_handler): New.
8231 (c_invoke_pragma_handler): Declare.
8232 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8234 * c-common.h (c_common_pch_pragma): Update decl.
8235 * Makefile.in (c-parser.o): Update dependencies.
8236 (GTFILES): Add c-pragma.h.
8237 * c-parser.c (struct c_token): Add pragma_kind.
8238 (struct c_parser): Add in_pragma.
8239 (c_lex_one_token): Always initialize keyword and pragma_kind.
8240 Extract data for CPP_PRAGMA.
8241 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8242 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8243 Don't allow CPP_PRAGMA_EOL if in_pragma.
8244 (c_parser_consume_pragma): New.
8245 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8246 (c_parser_skip_to_end_of_parameter): Likewise.
8247 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8248 (c_parser_skip_to_pragma_eol): New.
8249 (c_parser_external_declaration): Handle CPP_PRAGMA.
8250 (c_parser_compound_statement_nostart): Likewise.
8251 (c_parser_statement_after_labels): Likewise.
8252 (c_parser_pragma): New.
8253 (pragma_lex): Likewise.
8254 (c_parser_pragma_pch_preprocess): New.
8255 (c_parser_new): Merge into ...
8256 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8258 2006-01-04 Jeff Law <law@redhat.com>
8261 * tree-cfg.c (bsi_replace): Remove the original statement
8262 from the EH throw statement table.
8264 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8266 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8267 make the prototype extern "C" and add throw ().
8270 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8271 and pos non-negative and pos + len <= 32.
8272 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8273 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8274 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8277 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8278 as well as sizes not multiple of component size.
8281 * function.c (instantiate_expr): New function.
8282 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8283 walk its DECL_VALUE_EXPR with instantiate_expr.
8285 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8286 DW_OP_deref{,_size} if address isn't going to be added.
8288 2006-01-04 Ben Elliston <bje@au.ibm.com>
8290 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8291 * config/fp-bit.c: Likewise.
8293 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8295 * dominance.c: Add comment about why we use DFS numbering
8298 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8299 Richard Henderson <rth@redhat.com>
8301 Merge from gomp-branch:
8302 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8303 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8305 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8307 PR rtl-optimization/25578
8308 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8309 pass a parameter to simplify_shift_const if changing ASHIFTRT
8312 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8314 * builtins.c (get_builtin_sync_mem): New function.
8315 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8316 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8317 Call get_builtin_sync_mem to generate mem rtx.
8319 2006-01-03 Richard Guenther <rguenther@suse.de>
8322 * stmt.c (add_case_node): Make sure to clear overflow flags
8325 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8327 Merge from gomp-branch.
8328 * config/sparc/sync.md: New file.
8329 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8330 UNSPECV_LDSTUB): New constants.
8331 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8332 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8333 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8336 2006-01-03 Roger Sayle <roger@eyesopen.com>
8338 * combine.c (reg_subword_p): New predicate to test whether the
8339 destination of a set refers to a subword/piece of a register.
8340 (try_combine): Generalize the code to merge the setting of a
8341 pseudo to a constant followed by a set of a subword of that
8342 register to a constant.
8344 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8346 * basic-block.h (control_flow_graph): Change the type of
8347 x_label_to_block_map to VEC(basic_block,gc) *.
8348 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8349 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8351 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8352 VEC(basic_block,heap) *.
8353 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8354 ssa_prop_fini): Adjust the uses of cfg_blocks.
8356 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8358 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8360 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8361 hashing trees instead of a pointer hash.
8362 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8363 compare for MEM_EXPR.
8365 PR rtl-optimization/25130
8366 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8367 when comparing MEMs for GCSE
8369 2006-01-03 Ben Elliston <bje@au.ibm.com>
8371 * targhooks.h (default_decimal_float_supported_p): Declare.
8372 * targhooks.c (default_decimal_float_supported_p): Define.
8373 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8374 `default_decimal_float_supported_p'.
8375 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8377 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8379 * combine.c (apply_distributive_law <SUBREG>): Check
8380 TRULY_NOOP_TRUNCATION.
8382 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8384 * dwarf2out.c (have_switched_text_section): Delete.
8385 (have_multiple_function_sections): New.
8386 (have_location_lists): Make 'bool'.
8387 (add_AT_loc_list): Use 'true' not '1'.
8388 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8389 (output_loc_list): Use have_multiple_function_sections.
8390 (output_ranges): Likewise.
8391 (dwarf2out_begin_function): Set have_multiple_function_sections if
8393 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8394 Check function_section rather than DECL_SECTION_NAME.
8395 (dwarf2out_finish): Use have_multiple_function_sections.
8396 Don't clear have_location_lists.
8398 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8399 Jan Hubicka <jh@suse.cz>
8401 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8402 case of conditional jump jumping to the next instruction.
8403 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8404 cases of conditional jump jumping to the next instruction.
8406 2006-01-02 Jan Hubicka <jh@suse.cz>
8408 * i386.c (*_cost): Add COSTS_N_INSNS.
8409 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8411 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8414 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8416 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8418 * config/arm/arm.c (all_fpus): Fix comment typo.
8419 * config/darwin.c: Likewise.
8420 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8421 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8422 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8424 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8426 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8427 (rs6000_split_compare_and_swapqhi): New.
8428 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8429 (sync_compare_and_swapqhi_internal): New.
8430 * config/rs6000/rs6000-protos.h: Declare.
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