1 2006-03-28 Roger Sayle <roger@eyesopen.com>
3 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4 the equivalent ~X & Y, and the symmetry related transformations.
5 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6 ~X & Y, and symmetry related transforms.
8 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10 Revert my 2006-03-27 patches.
12 2006-03-28 Roger Sayle <roger@eyesopen.com>
14 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
15 ~(T1)X, when T1 and T2 are integer types of the same precision
16 and (T2)X isn't an extension.
18 2006-03-28 Jeff Law <law@redhat.com>
20 PR tree-optimization/26796
21 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
22 need EH edge cleanups rather than purging them immediately.
23 (eliminate_degenerate_phis): Handle queued EH cleanups.
25 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
27 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
30 2006-03-27 Roger Sayle <roger@eyesopen.com>
33 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
34 cast BIT_NOT_EXPR operand to the correct type.
36 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
38 * tree-loop-linear.c: Don't include varray.h.
39 (gather_interchange_stats, try_interchange_loops,
40 linear_transform_loops): Use VEC instead of VARRAY.
41 * lambda-mat.c: Don't include varray.h.
43 * lambda-trans.c: Same.
44 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
45 VEC instead of VARRAY.
46 * tree-vectorizer.h: Idem.
47 * tree-data-ref.c (dump_data_references,
48 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
49 initialize_data_dependence_relation, finalize_ddr_dependent,
50 compute_all_dependences, find_data_references_in_loop,
51 compute_data_dependences_for_loop, analyze_all_data_dependences,
52 free_dependence_relation, free_dependence_relations,
53 free_data_refs): Idem.
54 * tree-data-ref.h (data_reference_p, subscript_p): New.
55 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
56 VEC instead of VARRAY.
57 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
58 (find_data_references_in_loop, compute_data_dependences_for_loop,
59 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
60 dump_data_dependence_relations, free_dependence_relations,
61 free_data_refs): Adjust declaration.
62 (lambda_transform_legal_p): Move declaration here...
63 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
64 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
65 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
66 vect_analyze_data_refs): Use VEC instead of VARRAY.
67 * lambda.h (lambda_transform_legal_p): ...from here.
68 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
69 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
70 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
71 tree-chrec.o): Don't depend on VARRAY_H.
73 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
75 * rtl.def (Copyright): Update date.
76 (DEPS_LIST): Change type of the second operand to 'int'.
77 * target.h (Copyright): Update date.
78 (struct gcc_target.speculate_insn): Change type of the second parameter
80 * lists.c (Copyright): Update date.
81 (alloc_DEPS_LIST): Change signature. Update reference to the second
82 operand of the DEPS_LIST.
83 (copy_DEPS_LIST_list): Update reference to the second operand of the
85 * rtl.h (Copyright): Update date.
86 (alloc_DEPS_LIST): Update signature.
87 * sched-int.h (Copyright): Update date.
88 (ds_t): Change typedef to 'int'.
89 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
91 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
93 * haifa-sched.c (Copyright): Update date.
94 (try_ready): Change condition to restore non-speculative pattern
96 (process_insn_depend_be_in_spec): Code to keep probability of the
97 speculative dependence non-decreasing.
99 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
101 * regrename.c (replace_oldest_value_addr): Initialize a variable to
102 shut up the compiler.
104 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
106 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
107 to use lib prefix for target.
108 ($(T)libic_invalidate_array_4-200.a): Likewise.
109 ($(T)libic_invalidate_array_4a.a): Likewise.
111 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
112 J"orn Rennecke <joern.rennecke@st.com>
114 * superh.opt: New file.
115 * sh.c (boardtype, osruntime): Remove.
116 * superh.h (SUBTARGET_OPTIONS): Remove.
117 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
119 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
120 arguments with ^ and/or [].
122 * config.gcc (sh-*-*): Add quoting to account for quirk of
124 Replace == with = in enable_incomplete_targets test.
126 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
127 with MASK_LITTLE_ENDIAN.
129 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
130 * config/sh/sh.opt: Added to some comments.
131 * config/sh/superh.h: Removed some chaff.
133 * config/sh/sh.opt: Add m4-[1234]00* options.
134 * config/sh/sh.c (sh_handle_option): Likewise.
135 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
136 (ic_invalidate_array_4-100.o): New rule.
137 ($(T)libic_invalidate_array_4-100.a): Likewise.
138 (ic_invalidate_array_4-200.o): Likewise.
139 ($(T)libic_invalidate_array_4-200.a): Likewise.
140 (ic_invalidate_array_4a.o): Likewise.
141 ($(T)libic_invalidate_array_4a.a): Likewise.
142 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
143 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
145 * config/sh/crt1.asm: Merged in profiling code.
146 * config/sh/superh.h (STARTFILE_SPEC): Override.
147 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
148 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
149 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
151 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
152 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
153 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
155 * sh.opt (mpretend-cmove): New option.
156 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
157 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
158 (movsicc): Add TARGET_PRETEND_CMOVE code.
160 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
162 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
163 s390_class_max_nregs): New function prototypes.
164 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
165 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
166 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
167 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
169 2006-03-26 Geoffrey Keating <geoffk@apple.com>
171 * dwarf2out.c (add_location_or_const_value_attribute): Call
172 tree_add_const_value_attribute if nothing else works.
173 (reference_to_unused): New.
174 (rtl_for_decl_init): Use reference_to_unused to decide whether
175 to output an initializer.
177 2006-03-27 Alan Modra <amodra@bigpond.net.au>
180 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
181 peephole removing spe frob_di_df_2.
183 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
185 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
186 (subscript_dependence_tester_1): Declared.
187 (print_dir_vectors, print_dist_vectors): New.
188 (debug_data_dependence_relation): New.
189 (dump_data_dependence_relation): Print more details.
190 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
191 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
192 (save_dist_v, save_dir_v, add_outer_distances,
193 build_classic_dist_vector_1): New.
194 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
195 Don't test for lambda_vector_lexico_pos.
196 (same_access_functions, add_multivariate_self_dist,
197 add_other_self_distances, dir_from_dist): New.
198 (build_classic_dir_vector): Replace implementation almost identical to
199 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
201 (subscript_dependence_tester_1): New.
202 (subscript_dependence_tester): Handle the lexicographically negative
203 distance vectors by recomputing the dependence relation.
204 (compute_affine_dependence): Remove parameter loop_nest_depth.
205 (compute_self_dependence): Don't call compute_subscript_distance.
206 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
207 Add a parameter for the loop_nest.
208 (find_loop_nest_1, find_loop_nest): New.
209 (compute_data_dependences_for_loop): Compute the loop nest, and give
210 up if the nest is not well formed.
211 * tree-data-ref.h (loop_p): New.
212 (struct data_dependence_relation): Replace size_vect field with
213 loop_nest, a vec of loops.
214 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
215 (DDR_LOOP_NEST): New.
216 (print_dir_vectors, print_dist_vectors,
217 debug_data_dependence_relation): Declared.
218 (index_in_loop_nest): New.
219 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
220 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
223 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
225 * simplify-rtx.c (simplify_relational_operation): Call
226 simplify_relational_operation_1 even if mode is VOIDmode.
228 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
230 PR tree-optimization/26804
231 * tree.h (DECL_CALL_CLOBBERED): New macro.
232 (tree_decl_common): Add call_clobbered_flag.
233 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
234 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
235 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
236 (mark_non_addressable): Ditto.
237 * tree-ssa.c (verify_call_clobbered): New function.
238 (verify_alias_info): Use it.
239 * tree-pass.h (pass_reset_cc_flags): New prototype.
240 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
241 (reset_cc_flags): New function.
242 * passes.c (init_optimization_passes): Call reset_cc_flags after
243 initializing referenced_vars.
245 2006-03-25 Uros Bizjak <uros@kss-loka.si>
246 Roger Sayle <roger@eyesopen.com>
249 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
250 to 1.0 for non-real operands. Implement A / A optimization for
253 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
255 * config/i386/i386.c (size_cost): Correct the comment for
256 cost of storing fp registers.
257 (i386_cost): Likewise.
258 (i486_cost): Likewise.
259 (pentium_cost): Likewise.
260 (pentiumpro_cost): Likewise.
262 (athlon_cost): Likewise.
264 (pentium4_cost): Likewise.
265 (nocona_cost): Likewise.
266 (generic64_cost): Likewise.
267 (generic32_cost): Likewise.
269 2006-03-24 Denis Chertykov <denisc@overta.ru>
271 * config/avr/avr-protos.h (extra_constraint): Delete.
272 (extra_constraint_Q): New declaration.
273 * config/avr/constraints.md: New file.
274 * config/avr/avr.md: Include it.
275 (REG_X, REG_Y, REG_Z, REG_W): New constants.
276 (TMP_REGNO, ZERO_REGNO): Likewise.
277 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
278 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
279 (extra_constraint): Delete.
280 (extra_constraint_Q): Test for memory constraint 'Q'.
281 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
282 (REG_CLASS_FROM_LETTER): Delete.
283 (CONST_OK_FOR_LETTER_P): Delete.
284 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
285 (EXTRA_CONSTRAINT): Delete.
287 (ZERO_REGNO): Delete.
289 2006-03-24 Jeff Law <law@redhat.com>
291 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
292 directly. Call mark_new_vars_to_rename slightly earlier.
294 2006-03-24 Geoffrey Keating <geoffk@apple.com>
296 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
298 (gen_compile_unit_die): Use new language types for Objective-C and
300 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
304 * config/t-darwin (crt3.o): Work around bug 26840.
305 * config/darwin-crt3.c: Rewrite.
306 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
308 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
310 * doc/invoke.texi: Document -femit-class-debug-always
311 * common.opt: Add -femit-class-debug-always.
313 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
315 * config/s390/s390.c (s390_decompose_address): Allow SImode for
316 index and base register.
317 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
318 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
319 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
320 REGNO_OK_FOR_INDEX_P.
321 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
323 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
324 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
325 REG_OK_FOR_BASE_P): Definitions removed.
327 2006-03-24 Jakub Jelinek <jakub@redhat.com>
330 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
331 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
332 set yet or weren't marked as local yet.
334 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
336 * regrename.c (scan_rtx_address): Initialize a variable to shut up
339 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
341 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
342 (rs6000_legitimate_small_data_p): Delete.
343 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
344 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
345 and make static. Add forward declaration. Update uses.
346 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
347 of offsettable_memref_p.
348 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
349 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
351 2006-03-24 Jeff Law <law@redhat.com>
353 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
354 around bug in immediate-use iterator.
356 2006-03-24 Alan Modra <amodra@bigpond.net.au>
359 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
360 or __LITTLE_ENDIAN__.
362 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
364 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
365 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
366 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
367 * config/sh/sh.opt (mdiv=): Amend description.
368 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
369 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
370 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
371 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
372 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
373 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
374 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
375 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
376 TARGET_DIVIDE_CALL_FP.
378 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
380 * haifa-sched.c (choose_ready): Fix type of the local variable.
381 Move local variables. Add comment.
382 (check_reg_live): Change signature. Make callable from debugger.
383 * sched-int.h (check_reg_live): Update signature.
384 * sched-ebb.c (check_reg_live): Update parameters.
385 * sched-rgn.c (check_reg_live): Ditto.
386 (region_head_or_leaf_p): Check pointer before dereferencing.
387 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
388 before reload on optimization levels below 1.
390 2006-03-23 Richard Henderson <rth@redhat.com>
392 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
396 * config/alpha/predicates.md (local_symbolic_operand): Reject
399 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
402 * tree-ssa-pre.c (create_value_expr_from): Don't reject
403 expressions which have overflowed constants.
405 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
407 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
409 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
411 * cfgloopmanip.c (create_loop_notes): Removed.
412 * final.c (final_scan_insn): Do not handle loop notes.
413 * jump.c (squeeze_notes): Ditto.
414 * cfglayout.c (skip_insns_after_block,
415 duplicate_insn_chain): Ditto.
416 * cfgcleanup.c (rest_of_handle_jump2): Do not call
418 * cfgloop.h (create_loop_notes): Declaration removed.
420 2006-03-23 Richard Sandiford <richard@codesourcery.com>
422 * varasm.c (output_constant_pool): Restore fnname and fndecl
424 (assemble_start_function): Adjust call accordingly.
425 (assemble_end_function): Likewise.
427 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
430 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
433 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
435 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
438 * system.h (ICE_EXIT_CODE): New macro.
439 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
440 (diagnostic_action_after_output): Likewise.
441 * gcc.c (fatal_ice): New function.
442 (execute): Use it instead of fatal.
443 (fancy_abort): Likewise.
444 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
446 2006-03-22 Jeff Law <law@redhat.com>
448 * loop-unroll.c (analyze_iv_to_split_insn): Handle
449 iv_analyze_result returning false.
451 2006-03-22 Jie Zhang <jie.zhang@analog.com>
453 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
455 2006-03-22 Richard Henderson <rth@redhat.com>
458 * except.c (duplicate_eh_regions_0): New.
459 (duplicate_eh_region_1): Duplicate the children of the node as
460 well as the node itself. Link them up properly.
461 (duplicate_eh_region_2): Merge into ...
462 (duplicate_eh_regions): ... here. Take copy_region argument, and
463 copy only a sub-tree if asked. Simplify copying and fixup.
464 (eh_region_outer_p): New.
465 * except.h (duplicate_eh_regions): Update decl.
466 (eh_region_outer_p): Declare.
467 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
468 (lower_omp_master): Likewise.
469 (lower_omp_ordered): Likewise.
470 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
471 (move_stmt_r): Use it to remap labels. Handle recursion vs
472 remap_decls_p properly.
473 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
474 (find_outermost_region_in_block): New.
475 (new_label_mapper): New.
476 (move_sese_region_to_fn): Copy eh information to the new function
478 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
480 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
483 2006-03-22 Richard Sandiford <richard@codesourcery.com>
485 * doc/md.texi (-mshared): Mention that -mshared code can be linked
486 into shared libraries.
488 2006-03-22 Richard Sandiford <richard@codesourcery.com>
490 * doc/md.texi: Refer to i386/constraints.md instead of
492 * config/i386/constraints.md: New file, extracted from...
493 * config/i386/predicates.md: ...here.
494 * config/i386/i386.md: Include constraints.md.
496 2006-03-21 Jason Merrill <jason@redhat.com>
498 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
501 * expr.c (init_block_move_fn): Force default visibility.
502 (init_block_clear_fn): Likewise.
503 * builtins.c (expand_builtin_fork_or_exec): Likewise.
504 * targhooks.c (default_external_stack_protect_fail): Likewise.
506 2006-03-21 Richard Sandiford <richard@codesourcery.com>
508 * config/mips/predicates.md (const_call_insn_operand): Allow direct
509 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
510 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
511 Use TARGET_OLDABI instead of !TARGET_NEWABI.
512 (loadgp): Use mips_current_loadgp_style.
513 (loadgp_noshared): New pattern.
514 (sibcall_internal): Use MIPS_CALL.
515 (sibcall_value_internal): Likewise.
516 (sibcall_value_multiple_internal): Likewise.
517 (call_internal): Likewise.
518 (call_value_internal): Likewise.
519 (call_value_multiple_internal): Likewise.
520 (call_split): Use MIPS_CALL and add an 'S' constraint.
521 (call_value_split): Likewise.
522 (call_value_multiple_split): Likewise.
523 * config/mips/mips.opt (-mabicalls): Tweak docstring.
524 (-mshared): New option.
525 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
526 (mips_current_loadgp_style): Declare.
527 * config/mips/mips.c (mips_classify_symbol): Avoid using
528 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
529 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
530 TARGET_ABSOLUTE_ABICALLS.
531 (override_options): Adjust comments. Improve the warning that is
532 issued when -mabicalls and -G are used together.
533 (mips_file_start): Remove comment.
534 (mips_current_loadgp_style): New function.
535 (mips_gnu_local_gp): New variable.
536 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
538 (mips_output_function_prologue): Use mips_current_laodgp_style.
539 (mips_expand_prologue): Call mips_emit_loadgp before emitting
540 the cprestore instruction.
541 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
542 live for TARGET_ABSOLUTE_ABICALLS.
543 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
544 (ASM_SPEC): Pass down -mshared and -mno-shared.
545 (MIPS_CALL): New macro.
546 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
548 * doc/invoke.texi (-mabicalls): Update documentation.
549 (-mshared): Document.
551 2006-03-21 Steve Ellcey <sje@cup.hp.com>
553 * config/ia64/unwind-hpux.c: New file.
554 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
556 2006-03-21 Steve Ellcey <sje@cup.hp.com>
559 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
561 2006-03-21 Jeff Law <law@redhat.com>
563 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
564 type conversions of a VR_VARYING source to a wider type.
566 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
568 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
569 tm_file on Solaris 10 and later.
570 (sparc64-*-solaris2*): Likewise.
571 (sparc-*-solaris2*): Likewise.
572 * config/sol26.h: Rename to config/sol2-6.h.
573 * config/sol2-10.h: New file.
575 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
578 * tree-ssa-pre.c (create_component_ref_by_pieces):
581 2006-03-21 Jakub Jelinek <jakub@redhat.com>
584 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
585 return it immediately.
587 2006-03-21 Michael Matz <matz@suse.de>
589 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
591 (remove_arc, add_arc): Update num_out_arcs member.
592 (set_out_arc_insns_equiv_num): Returns nothing instead of number
594 (cache_presence): New function.
595 (compare_states_for_equiv): New function.
596 (state_is_differed): Don't take number of outargs, adjust callers.
597 Use new invariant for speeding up.
598 (init_equiv_class): Create initial classes based on sorted
600 (partition_equiv_class): Don't track out_arcs_num.
601 (evaluate_equiv_classes): Call cache_presence on all states and
604 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
606 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
607 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
608 (bfin_valid_reg_p): Test for pseudos explicitly and use only
609 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
611 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
612 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
613 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
614 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
615 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
617 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
618 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
619 (REGNO_REG_CLASS): ARGP is in PREGS.
620 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
622 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
623 to deal with those addresses.
624 * addresses.h: New file.
625 * caller-save.c: Include "addresses.h".
626 (init_caller_save): Use new base_reg_class function.
627 * rtl-factoring.c: Include "addresses.h".
628 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
629 * recog.c: Include "addresses.h".
630 (preprocess_constraints): Use new base_reg_class function.
631 * regrename.c: Include "addresses.h".
632 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
633 functions. Keep track of a new var INDEX_CODE to compute valid
635 (replace_oldest_value_addr): Likewise.
636 (replace_oldest_value_mem): Use base_reg_class.
637 * reload.c: Include "addresses.h".
638 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
639 (find_reloads): Use new base_reg_class function.
640 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
641 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
642 all callers and prototype changed.
643 * reload1.c: Include "addresses.h".
644 (maybe_fix_stack_asms): Use base_reg_class.
645 * regclass.c: Include "addresses.h".
646 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
647 (init_reg_autoinc): Use new base_reg_class function.
648 (record_reg_classes): Likewise.
649 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
650 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
651 Use new args to compute necessary class.
653 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
654 regrename.o, rtl-factoring.o): Update dependencies.
655 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
656 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
657 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
658 REG_OK_FOR_INDEX_P): Delete documentation.
660 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
662 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
663 from V7 to V9 for Solaris 7 and above.
665 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
667 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
668 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
669 argument pointers may not alias any other storage.
670 * common.opt: Define option -fargument-noalias-anything.
671 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
672 alias semantics is specified by flag_argument_noalias > 2.
674 2006-03-20 Jeff Law <law@redhat.com>
676 * tree-pass.h (pass_phi_only_copy_prop): Delete.
677 (pass_phi_only_cprop): Declare.
678 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
680 * tree-ssa-dom.c (degenerate_phi_result): New function.
681 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
682 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
683 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
684 (eliminate_degenerate_phis): Likewise.
685 (pass_phi_only_cprop): New pass descriptor.
686 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
687 support code. Callers updated.
688 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
689 (store_copy_prop): Likewise.
690 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
692 2006-03-20 Jason Merrill <jason@redhat.com>
695 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
696 (push_visibility, pop_visibility): Likewise.
697 * c-pragma.h: Declare them.
699 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
701 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
703 * config/sh/sh.c (find_regmode_weight): Change the type of the first
704 parameter and use get_ebb_head_tail.
705 (sh_md_init_global): Adjust uses of find_regmode_weight.
707 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
709 * function.h (struct function) <x_tail_recursion_reentry>:
710 Rename to x_stack_check_probe_note.
711 (tail_recursion_reentry): Rename to stack_check_probe_note.
712 * function.c: Replace tail_recursion_reentry with
713 stack_check_probe_note everywhere.
714 (expand_function_start): Only emit a note for
715 stack_check_probe_note with -fstack-protect.
716 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
718 * emit-rtl.c (remove_unnecessary_notes): Remove.
719 (pass_remove_unnecessary_notes): Remove.
720 * rtl.h (remove_unnecessary_notes): Remove prototype.
721 * final.c (final_start_function): Don't call remove_unnecessary_notes.
722 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
723 * passes.c (pass_remove_unnecessary_notes): Don't run it.
725 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
728 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
729 (valid_in_set): Handle ARRAY_REF.
730 Change "if min_variant or VH" to asserts.
731 (create_component_ref_by_pieces): Handle ARRAY_REF.
732 (create_expression_by_pieces): Likewise.
733 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
735 2006-03-20 David Edelsohn <edelsohn@gnu.org>
737 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
738 is operand of switch, not str[0].
740 2006-03-20 Alan Modra <amodra@bigpond.net.au>
742 * config/rs6000/rs6000.c (rs6000_handle_option): Use
743 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
745 2006-03-19 David Edelsohn <edelsohn@gnu.org>
747 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
748 end of insn_extra_address_constraint declaration.
750 2006-03-19 David Edelsohn <edelsohn@gnu.org>
752 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
753 (no-sum-in-toc): Same.
754 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
756 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
757 NO_FP_IN_TOC for -fPIC instead of mask.
759 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
760 (BOOT_LDFLAGS): Delete.
762 * config/rs6000/t-aix52: Same.
764 * config/rs6000/rs6000.md (store_multiple_power): Delete.
765 (stmsi[345678]_power): New.
767 2006-03-17 Steve Ellcey <sje@cup.hp.com>
769 * config/ia64/ia64.opt: Add empty line to end of file.
771 2006-03-17 Richard Guenther <rguenther@suse.de>
774 * builtins.c (get_pointer_alignment): For component style references
775 adjust alignment to the component type alignment. Make sure
776 to adjust alignment for component access of constants.
778 2006-03-17 David Edelsohn <edelsohn@gnu.org>
780 * config/rs6000/rs6000.md (strlensi): Emit barrier after
783 2006-03-17 Paul Brook <paul@codesourcery.com>
785 * doc/install.texi: Docuemnt --with-mode.
786 * config.gcc: Add --with-mode for arm*-*-*.
787 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
789 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
791 * sh.c (max_labelno_before_reorg): New variable.
792 (sh_reorg): Initialize it.
793 (find_barrier): Check max_labelno_before_reorg before using
794 label_to_alignment. Take length of explicit alignment insns
795 into account. When seeing a UNSPECV_CONST_END, return it.
797 * sh.c (fixup_mova): Set mode of affected label to QImode.
798 (untangle_mova): New function.
799 (find_barrier): Use it. Check mode of label before decrementing
801 (sh_reorg): Likewise.
802 Set mode of all insns back to VOIDmode.
804 * sh.c (MOVA_LABELREF): New macro.
805 (mova_p, fixup_mova, sh_reorg): Use it.
806 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
807 ADDR_DIFF_VEC matches mova.
809 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
811 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
812 with ATTRIBUTE_UNUSED.
814 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
816 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
817 pointer, instead of assuming it is possible to derive the
818 correct args size from a call insn.
820 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
822 * rtl.h (CONST_INT_P): Define.
823 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
824 instead of GET_CODE(x) == CONST_INT.
825 (vax_rtx_costs): Likewise.
826 (vax_output_int_move): Likewise.
827 (vax_output_int_add): Likewise.
828 (legitimate_constant_address_p): Likewise.
829 (index_term_p): Likewise.
830 * config/vax/vax.h (PRINT_OPERAND): Likewise.
831 * config/vax/vax.md (and<mode>3): Likewise.
834 (movstricthi): Likewise.
835 (movstrictqi): Likewise.
837 (five unnamed insns): Likewise.
839 2006-03-16 Geoffrey Keating <geoffk@apple.com>
841 * doc/tm.texi (SDB and DWARF): Add extra parameter to
842 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
843 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
844 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
845 Pass to ASM_OUTPUT_DWARF_OFFSET.
846 * dwarf2out.c (debug_frame_section): New.
847 (output_call_frame_info): Use debug_frame_section. Pass it to
848 dw2_asm_output_offset.
849 (output_die): Pass appropriate section to dw2_asm_output_offset.
850 (output_compilation_unit_header): Likewise.
851 (output_pubnames): Likewise.
852 (output_aranges): Likewise.
853 (enum dw_val_class): Break dw_val_class_lbl_offset into
854 dw_val_class_lineptr and dw_val_class_macptr.
855 (add_AT_lbl_offset): Delete.
856 (add_AT_lineptr): New.
857 (add_AT_macptr): New.
858 (AT_lbl): Expect a lineptr or macptr.
859 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
860 (attr_checksum): Likewise.
861 (same_dw_val_p): Likewise.
862 (size_of_die): Likewise.
863 (value_format): Likewise.
864 (output_die): Likewise.
865 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
867 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
868 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
869 * config/darwin-protos.h (darwin_file_start): New.
870 (darwin_asm_output_dwarf_offset): New.
871 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
872 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
874 * config/darwin.c (darwin_emit_unwind_label): Don't output label
875 if not EH section; simplify.
876 (darwin_file_start): New.
877 (darwin_asm_output_dwarf_offset): New.
878 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
880 (DEBUG_INFO_SECTION): Likewise.
881 (DEBUG_ABBREV_SECTION): Likewise.
882 (DEBUG_ARANGES_SECTION): Likewise.
883 (DEBUG_MACINFO_SECTION): Likewise.
884 (DEBUG_LINE_SECTION): Likewise.
885 (DEBUG_LOC_SECTION): Likewise.
886 (DEBUG_PUBNAMES_SECTION): Likewise.
887 (DEBUG_STR_SECTION): Likewise.
888 (DEBUG_RANGES_SECTION): Likewise.
889 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
890 (ASM_OUTPUT_DWARF_OFFSET): New.
892 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
894 * config.gcc (tm_defines): Always add to previous value rather
897 2006-03-16 Richard Sandiford <richard@codesourcery.com>
899 * config/mips/predicates.md (splittable_const_int_operand): New,
900 split from move_operand.
901 (splittable_symbolic_operand): New.
902 (move_operand): Add commentary. Use splittable_const_int_operand.
903 Inline mips_atomic_symbolic_constant_p.
904 * config/mips/mips.md: Add combine splitters for handling moves
905 of splittable_const_int_operands and splittable_symbolic_operands.
906 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
907 (mips_split_symbol): Declare.
908 (mips_move_integer): Declare.
909 * config/mips/mips.c (mips_split_p): Make global.
910 (TARGET_MIN_ANCHOR_OFFSET): Override default.
911 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
912 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
913 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
914 (mips_offset_within_object_p): Handle block symbols.
915 (mips_atomic_symbolic_constant_p): Delete.
916 (mips_cannot_force_const_mem): Return false for constants that
917 mips_legitimize_move can handle.
918 (mips_use_blocks_for_constant_p): New function.
919 (mips_split_symbol): Make global.
920 (mips_move_integer): Likewise. Add a temporary register argument.
921 (mips_legitimize_const_move): Use splittable_const_int_operand and
922 splittable_symbolic_operand.
923 (mips_use_anchors_for_symbol_p): New function.
924 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
925 (mips_split_p): Declare.
927 2006-03-16 Richard Sandiford <richard@codesourcery.com>
929 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
930 (mips*-*-linux*): Likewise.
932 2006-03-16 Roger Sayle <roger@eyesopen.com>
933 Daniel Speyer <dspeyer@wam.umd.edu>
936 * tree-dump.c (dump_real): New function.
937 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
938 * Makefile.in (REAL_H): New macro for dependencies on real.h.
939 (tree-dump.o): Add $(REAL_H) to the dependencies.
941 2006-03-16 Roger Sayle <roger@eyesopen.com>
944 * real.c (real_from_string): If the mantissa is zero, don't bother
945 parsing the exponent as the result should always be zero.
947 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
949 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
951 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
953 * config/ia64/ia64.c (stops_p): Added explicit initialization.
954 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
955 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
956 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
957 ia64_sched_finish_global): New static functions to implement
958 hooks from gcc_target.sched.
959 (spec_check_no, max_uid, pending_data_specs): New static variables.
960 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
961 ia64_spec_check_src_p): New static functions.
962 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
963 (TARGET_SCHED_ADJUST_COST): Removed.
964 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
965 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
966 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
967 TARGET_SCHED_GEN_CHECK,
968 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
969 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
970 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
971 Fixed to handle speculation checks.
972 (rtx_needs_barrier): Fixed to handle speculative loads and
974 (ia64_variable_issue): Added code to count speculative loads and their
976 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
978 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
980 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
982 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
983 (ia64_reorg): Reset stops_p to NULL after it is freed.
984 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
985 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
986 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
988 (data_speculative, control_speculative, check_load): New attributes.
989 (mov<mode>_advanced, mov<mode>_speculative,
990 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
991 zero_extend<mode>di2_speculative,
992 zero_extend<mode>di2_speculative_advanced): New patterns for
993 data and control speculative loads.
994 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
996 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
997 New pattern for data and control speculation checks.
998 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
999 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1000 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1001 Auxiliary definitions for the patterns.
1002 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1003 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1005 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1007 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1008 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1009 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1010 New resource constraints.
1011 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1013 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1014 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1015 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1016 msched-in-control-spec, msched-ldc, msched-control-ldc,
1017 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1018 msched-prefer-non-control-spec-insns,
1019 msched-count-spec-in-critical-path): New flags to tune speculative
1021 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1022 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1023 msched-in-control-spec, msched-ldc, msched-control-ldc,
1024 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1025 msched-prefer-non-control-spec-insns,
1026 msched-count-spec-in-critical-path): Document new flags.
1028 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1030 * target.h (struct spec_info_def): New opaque declaration.
1031 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1032 speculate_insn, needs_block_p, gen_check,
1033 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1034 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1035 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1036 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1037 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1038 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1040 (TARGET_SCHED): Use new macros.
1041 * rtl.h (copy_DEPS_LIST_list): New prototype.
1042 * sched-int.h (struct sched_info): Change signature of new_ready field,
1043 adjust all initializations. New fields: add_remove_insn,
1044 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1045 region_head_or_leaf_p.
1046 (struct spec_info_def): New structure declaration.
1047 (spec_info_t): New typedef.
1048 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1049 recovery_block, orig_pat.
1050 (glat_start, glat_end): New variables declaraions.
1051 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1053 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1054 DETACH_LIFE_INFO, USE_GLAT.
1055 (enum SPEC_SCHED_FLAGS): New enumeration.
1056 (NOTE_NOTE_BB_P): New macro.
1057 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1058 attach_life_info, debug_spec_status, check_reg_live): New functions.
1059 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1060 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1062 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1063 * ddg.c (get_block_head_tail): Adjust all uses.
1064 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1065 (sms_sched_info): Initialize new fields.
1066 (contributes_to_priority): Removed.
1067 * haifa-sched.c (params.h): New include.
1068 (get_block_head_tail): Adjust all uses.
1069 (ISSUE_POINTS): New macro.
1070 (glat_start, glat_end): New global variables.
1071 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1072 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1073 old_last_basic_block, before_recovery, current_sched_info_var,
1074 rgn_n_insns, luid): New static variables.
1075 (insn_cost1): New function. Move logic from insn_cost to here.
1076 (find_insn_reg_weight1): New function. Move logic from
1077 find_insn_reg_weight to here.
1078 (reemit_notes, move_insn, max_issue): Change signature.
1079 (move_insn1): Removed.
1080 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1081 extend_bb): New static functions to support extension of scheduler's
1083 (generate_recovery_code, process_insn_depend_be_in_spec,
1084 begin_speculative_block, add_to_speculative_block,
1085 init_before_recovery, create_recovery_block, create_check_block_twin,
1086 fix_recovery_deps): New static functions to support
1087 generation of recovery code.
1088 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1089 restore_bb_notes, move_block_after_check, move_succs): New static
1090 functions to support ebb scheduling.
1091 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1092 functions to support handling of register live information.
1093 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1094 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1095 add_jump_dependencies): New static functions.
1096 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1097 consistancy checking.
1098 (debug_spec_status): New function to call from debugger.
1099 (priority): Added code to handle speculation checks.
1100 (rank_for_schedule): Added code to distinguish speculative instructions.
1101 (schedule_insn): Added code to handle speculation checks.
1102 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1103 Fixed to handle ebbs.
1104 (move_insn): Added code to handle ebb scheduling.
1105 (max_issue): Added code to use ISSUE_POINTS of instructions.
1106 (choose_ready): Added code to choose between speculative and
1107 non-speculative instructions.
1108 (schedule_block): Added code to handle ebb scheduling and scheduling of
1109 speculative instructions.
1110 (sched_init): Initialize new variables.
1111 (sched_finish): Free new variables. Print statistics.
1112 (try_ready): Added code to handle speculative instructions.
1113 * lists.c (copy_DEPS_LIST_list): New function.
1114 * sched-deps.c (extend_dependency_caches): New function. Move logic
1115 from create_dependency_caches to here.
1116 (get_dep_weak, ds_merge): Make global.
1117 * genattr.c (main): Code to output prototype for
1118 dfa_clear_single_insn_cache.
1119 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1120 (output_dfa_clean_insn_cache_func): Code to output
1121 dfa_clear_single_insn_cache function.
1122 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1124 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1126 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1127 New static variables.
1128 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1129 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1131 (ebb_sched_info): Initialize new fields.
1132 (get_block_head_tail): Adjust all uses.
1133 (compute_jump_reg_dependencies): Fixed to use glat_start.
1134 (schedule_ebb): Code to remove unreachable last block.
1135 (schedule_ebbs): Added code to update register live information.
1136 * sched-rgn.c (region_sched_info): Initialize new fields.
1137 (get_block_head_tail): Adjust all uses.
1138 (last_was_jump): Removed. Adjust users.
1139 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1140 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1141 Implement new hooks.
1142 (check_dead_notes1): New static function.
1143 (struct region): New fields: dont_calc_deps, has_real_ebb.
1144 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1145 (BB_TO_BLOCK): Fixed to handle EBBs.
1146 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1147 (ebb_head): New static variable.
1148 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1149 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1151 (compute_dom_prob_ps): New assertion.
1152 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1153 global_live_at_start.
1154 (init_ready_list): New assertions.
1155 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1156 (new_ready): Add support for BEGIN_CONTROL speculation.
1157 (schedule_insns): Fixed code that updates register live information
1159 (schedule_region): Fixed to handle EBBs.
1160 (init_regions): Use extend_regions and check_dead_notes1.
1161 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1162 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1163 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1164 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1165 TARGET_SCHED_GEN_CHECK,
1166 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1167 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1168 * doc/invoke.texi (max-sched-insn-conflict-delay,
1169 sched-spec-prob-cutoff): Document.
1171 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1173 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1174 inter_tick, queue_index.
1175 (struct sched_info): Change signature of init_ready_list field.
1176 Adjust all initializations.
1177 (RESOLVED_DEPS): New access macro.
1178 (ready_add): Remove prototype.
1179 (try_ready): Add prototype.
1180 * sched-rgn.c (init_ready_list): Use try_ready.
1181 (schedule_region): Initialize
1182 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1183 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1184 (init_ready_list): Use try_ready.
1185 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1186 * lists.c (remove_list_elem): Remove `static'.
1187 (remove_free_INSN_LIST_elem): New function.
1188 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1189 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1190 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1192 (readyp): New variable.
1193 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1194 change_queue_index, resolve_dep): New static functions.
1195 (try_ready): New function. Adjust callers in sched-rgn.c and
1196 sched-ebb.c to use it instead of ready_add.
1197 (clock_var): Move at the begining of file.
1198 (rank_for_schedule): Fix typo.
1199 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1200 (ready_lastpos): Enforce assertion.
1201 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1203 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1204 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1205 (queue_to_ready): Use free_INSN_LIST_list.
1206 (early_queue_to_ready): Fix typo.
1207 (schedule_block): Init readyp. Move init_ready_list call after the
1208 initialization of clock_var. Fix error in rejecting insn by
1209 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1210 that previously corrected INSN_TICKs. Add code for handling
1212 (set_priorities): Fix typo.
1213 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1214 Clarify comment and code that keeps current_sched_info->next_tail
1217 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1219 * sched-rgn.c (extend_rgns): New static function.
1220 (find_rgns): Use it.
1221 (gather_region_statistics, print_region_statistics): New static
1223 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1224 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1226 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1227 Andrey Belevantsev <abel@ispras.ru>
1229 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1230 * lists.c (unused_deps_list): New variable.
1231 (free_list): Add assertions to verify the proper distinguishing
1232 between INSN_LISTs and DEPS_LISTs.
1233 (find_list_elem, remove_list_elem, remove_list_node): New static
1235 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1236 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1237 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1238 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1240 (free_INSN_LIST_node): Likewise.
1241 * modulo-sched.c (current_sched_info): Initialize flags field.
1242 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1243 * rtl.def (DEPS_LIST): Define.
1244 * rtl.h: Declare new functions from lists.c.
1245 * sched-deps.c (spec_dependency_cache): New static variable.
1246 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1247 (add_dependence): Change return type to void. Move the logic to ...
1248 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1249 (delete_all_dependences): Add comment about forward_dependency_cache.
1250 Handle spec_dependency_cache. Handle DEPS_LISTs.
1251 (fixup_sched_groups): Clarify the change of priority of output
1252 and anti dependencies.
1253 (sched_analyze_2): Adjust add_dependence calls to create data
1254 speculative dependence.
1255 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1256 Adjust all callers. Handle DEPS_LISTS.
1257 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1258 presence of speculation.
1259 (init_dependency_caches, free_dependency_caches):
1260 Handle spec_dependency_cache.
1261 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1262 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1263 New static functions.
1264 (add_or_update_back_dep, add_or_update_back_forw_dep,
1265 add_back_forw_dep, delete_back_forw_dep): New functions.
1266 * sched-int.h (ds_t, dw_t): New typedefs.
1267 (struct sched_info): Add new field flags.
1268 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1269 Prototype new sched-deps.c functions.
1270 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1271 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1272 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1273 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1274 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1275 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1277 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1279 * sched-rgn.c (current_sched_info): Initialize flags field.
1280 (schedule_insns): Initialize current_sched_info before the sched_init
1282 * sched-ebb.c (current_sched_info): Initialize flags field.
1283 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1284 Call add_or_update_back_dep instead of add_dependence.
1285 Create control speculative dependencies.
1286 (schedule_insns): Initialize current_sched_info before the sched_init
1289 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1291 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1293 (sh_fallback_frame_state): Likewise.
1295 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1297 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1298 Do switch on default_use_cxa_atexit.
1299 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1300 * config/darwin-crt3.o: New.
1301 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1302 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1303 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1305 * config/rs6000/t-darwin: Move crt2.o building to here.
1306 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1307 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1310 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1312 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1313 from '! xxx' to '!xxx' for coding-style conformance.
1314 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1315 (EXTRA_CONSTRAINT): Likewise.
1316 * config/vax/vax.md (four unnamed insns): Likewise.
1318 2006-03-15 Paul Brook <paul@codesourcery.com>
1320 * config/arm/arm.c (minipool_pad): New.
1321 (add_minipool_forward_ref): Include pool alignment padding in address
1323 (push_minipool_fix): Set minipool_pad.
1324 (minipool_pad): Ditto.
1326 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1328 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1329 instead of GET_CODE() == MEM and REG_P() instead of
1331 (print_operand_address): Likewise.
1332 (vax_address_cost): Likewise.
1333 (vax_rtx_costs): Likewise.
1334 (vax_notice_update_cc): Likewise.
1335 (vax_output_int_add): Likewise.
1336 (INDEX_REGISTER_P): Likewise.
1337 (BASE_REGISTER_P): Likewise.
1338 (nonindexed_address_p): Likewise.
1339 (vax_mode_dependent_address_p): Likewise.
1340 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1341 (PRINT_OPERAND): Likewise.
1342 * config/vax/vax.md (ashlsi3): Likewise.
1343 (ashlsi3): Likewise.
1344 (some more unnamed insns): Likewise.
1346 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1348 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1349 iterator-style macro.
1350 (mark_control_dependent_edges_necessary): Update the use of
1351 EXECUTE_IF_CONTROL_DEPENDENT.
1353 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1355 * config/sh/predicates.md (cache_address_operand): Special.
1356 (ua_address_operand): Likewise.
1358 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1360 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1362 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1364 2006-03-15 Andreas Schwab <schwab@suse.de>
1366 * gensupport.c (identify_predicable_attribute): Don't free p_false
1367 when it is still in use.
1369 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1371 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1372 the default setting here.
1374 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1376 * tree-pass.h (pass_cfg): Remove.
1377 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1378 * passes.c (pass_cfg): Don't run it.
1380 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1382 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1383 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1385 (stack_regs_mentioned): Update the uses of
1386 stack_regs_mentioned_data. Don't access the array beyond its
1388 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1389 Don't include gt-reg-stack.h.
1391 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1392 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1394 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1397 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1400 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1402 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1404 2006-03-14 Richard Guenther <rguenther@suse.de>
1406 PR tree-optimization/26672
1407 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1410 2006-03-14 Richard Guenther <rguenther@suse.de>
1412 PR tree-optimization/26667
1413 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1414 node for the callees. Always allow inlining if it will shrink
1417 2006-03-14 Richard Guenther <rguenther@suse.de>
1420 * builtins.c (get_pointer_alignment): Prefer alignment
1421 information from decls over that from types.
1423 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1426 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1428 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1430 * config/rs6000/rs6000.opt (mdlmzb): New option.
1431 (msched-prolog, msched-epilog): Use Var not Mask.
1432 * doc/invoke.texi (-mdlmzb): Document.
1433 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1435 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1436 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1438 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1440 PR rtl-optimization/25739
1441 * bt-load.c (augment_live_range): Free tos pointer.
1443 * gensupport.c (identify_predicable_attribute): Free
1445 * gcov.c (create_file_names): Free name pointer.
1447 2006-03-13 Roger Sayle <roger@eyesopen.com>
1450 * stmt.c (emit_case_nodes): Handle the case where the index is a
1451 CONST_INT, where the comparison mode is specified by the index type.
1453 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1455 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1458 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1460 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1461 (*branch_fp_inverted): Likewise.
1463 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1466 * omp-low.c (expand_omp_for_generic): Mark istart0
1467 and iend0 as addressable.
1469 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1471 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1473 2006-03-13 Jeff Law <law@redhat.com>
1475 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1476 virtual operands are interesting.
1477 (vrp_visit_stmt): Corresponding changes.
1479 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1481 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1483 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1484 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1485 * config/bfin/crti.S: Use it instead of __PIC__.
1486 * config/bfin/crtn.S: Likewise.
1488 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1489 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1491 Lose 'G' modifier for call operand.
1492 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1493 recognize 'G' modifier.
1495 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1498 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1499 * stmt.c (expand_case): Likewise.
1501 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1503 PR rtl-optimization/26254
1504 * loop-invariant.c (seq_insns_valid_p): New function.
1505 (move_invariant_reg): Only emit new code if it is valid.
1507 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1509 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1511 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1512 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1513 (commit_one_edge_insertion): Do not look for loop notes.
1515 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1517 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1518 flag_test_coverage out of loop.
1520 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1522 * final.c (shorten_branches): Remove outdated comment, and turn
1523 the if branch that guards it to continue.
1525 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1527 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1528 * cfgloop.h (struct loop): Remove unused fields.
1530 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1532 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1533 (-dL, -fdump-rtl-loop2): Update the dump file names
1535 * doc/invoke.texi: Update dump file names.
1537 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1539 * predict.c (estimate_probability): Remove.
1540 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1541 * basic-block.h (estimate_probability): Remove prototype.
1542 * passes.c (finish_optimization_passes): Dump branch prediction or
1543 profiling heuristics to the .profile tree dump.
1544 (init_optimization_passes): Unqueue pass_branch_prob.
1546 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1548 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1550 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1551 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1553 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1555 * function.h (frame_offset_overflow): Declare.
1556 * function.c (frame_offset_overflow): New function.
1557 (assign_stack_local_1): Call it to detect that the offset overflows.
1558 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1560 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1562 * config/sh/sh.c: Include alloc-pool.h.
1563 (label_ref_list_pool): New alloc pool.
1564 (label_ref_list_t): New type for lists of labels.
1565 (struct pool_node): Make wend a label_ref_list_t.
1566 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1568 (dump_table): Likewise.
1569 (sh_reorg): Set up the alloc pool before using add_constant and
1570 dump_table, and destroy it when finishing.
1572 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1574 * config/mips/mips.c: Remove redundant comment.
1576 2006-03-10 Jason Merrill <jason@redhat.com>
1579 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1580 the target was declared 'register'.
1582 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1584 * genpreds.c (write_insn_constraint_len): Change definition of
1585 insn_constraint_len to return size_t to match the declaration.
1587 2006-03-10 DJ Delorie <dj@redhat.com>
1589 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1591 (m32c_expand_insv): Fix test for an AND mask.
1593 2006-03-10 Richard Guenther <rguenther@suse.de>
1596 * builtins.c (get_pointer_alignment): Handle component
1597 references for field alignment.
1599 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1601 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1602 when building with libgloss.
1603 (sh*elf): Implement --without-fp option.
1604 (sh64-superh-linux*): Don't multilib.
1606 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1608 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1610 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1612 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1613 Set it when one of the replacement functions returned true.
1614 Return TODO_cleanup_cfg if cfgchanged is true.
1615 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1617 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1619 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1620 instead of gen_lowpart.
1622 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1624 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1626 (mips_output_order_conditional_branch): Declare.
1627 * config/mips/mips.h (MIPS_BRANCH): New macro.
1628 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1629 for the comparison. Use gen_condjump.
1630 (mips_output_conditional_branch): Rework interface to take the
1631 asm templates for a direct branch and the inverse of a direct branch.
1632 (mips_output_order_conditional_branch): New function.
1633 (mips_builtin_branch_and_move): New function.
1634 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1635 branch condition. Use gen_single_cc as the condition for
1636 __builtin_mips_upper_* or __builtin_mips_lower_*.
1637 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1638 Use VOIDmode for the branch condition.
1639 * config/mips/predicates.md (order_operator): New predicate.
1640 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1641 (branch_fp): Rename to...
1642 (*branch_fp): ...this. Remove mode from comparison operator.
1643 Use new mips_output_conditional_branch interface.
1644 (branch_fp_inverted): Rename to...
1645 (*branch_fp_inverted): ...this and update as for *branch_fp.
1646 (*branch_zero<mode>): Rename to...
1647 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1648 Use mips_output_order_conditional_branch. Only accept ordered
1650 (*branch_zero<mode>_inverted): Rename to...
1651 (*branch_order<mode>_inverted): ...this and update as for
1652 *branch_order<mode>.
1653 (*branch_equality<mode>): Accept zero as the second operand to
1654 the equality operator. Use the new mips_output_conditional_branch
1656 (*branch_equality<mode>_inverted): Likewise.
1657 (condjump): New expander.
1658 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1660 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1661 (bc1any2t, bc1any2f): Likewise.
1662 (single_cc): New expander.
1663 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1665 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1667 * doc/md.texi: Update documentation of MIPS constraints.
1668 * config/mips/constraints.md: New file.
1669 * config/mips/mips.md: Include it.
1670 * config/mips/mips.c (mips_char_to_class): Delete.
1671 (override_options): Don't initialize mips_char_to_class.
1672 * config/mips/mips.h (mips_char_to_class): Delete.
1673 (REG_CLASS_FROM_LETTER): Delete.
1674 (CONST_OK_FOR_LETTER_P): Delete.
1675 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1676 (EXTRA_CONSTRAINT_Y): Delete.
1677 (EXTRA_CONSTRAINT_STR): Delete.
1678 (CONSTRAINT_LEN): Delete.
1679 (EXTRA_MEMORY_CONSTRAINT): Delete.
1681 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1683 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1684 original fn's eh regions.
1686 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1688 * fold-const.c (build_range_check): Make sure to use a valid type to
1689 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1692 (range_predecessor): New static function.
1693 (range_successor): Likewise.
1694 (merge_ranges): Use them to compute predecessors and successors of
1697 2006-03-09 Roger Sayle <roger@eyesopen.com>
1700 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1701 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1703 2006-03-08 DJ Delorie <dj@redhat.com>
1705 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1706 (addpsi3): Expand to include memory operands. Remove
1707 reload-specific splits.
1708 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1709 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1710 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1711 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1712 (shift1_qi, shift1_hi, insv): New.
1713 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1714 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1715 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1717 * config/m32c/m32c-protos.h: Update as needed.
1718 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1719 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1720 Fail for unrecognized R* constraints.
1721 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1722 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1723 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1725 (m32c_init_libfuncs): New.
1726 (m32c_legitimate_address_p): Add debug wrapper.
1727 (m32c_rtx_costs): New.
1728 (m32c_address_cost): New.
1729 (conversions): Add 'B' prefix.
1730 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1731 operands, or word regnames for QI operands. 'B' prints bit
1733 (m32c_expand_setmemhi): New.
1734 (m32c_expand_movmemhi): New.
1735 (m32c_expand_movstr): New.
1736 (m32c_expand_cmpstr): New.
1737 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1738 (m32c_expand_neg_mulpsi3): Handle non-ints.
1739 (m32c_cmp_flg_0): New.
1740 (m32c_expand_movcc): New.
1741 (m32c_expand_insv): New.
1742 (m32c_scc_pattern): New.
1743 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1744 a0/a1 out of SIregs.
1745 (STORE_FLAG_VALUE): New.
1746 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1749 * config/m32c/mov.md: Make constraints more liberal.
1750 (zero_extendqihi2): Optimize r0/r1 case.
1751 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1752 * config/m32c/predicates.md (m32c_any_operand): New.
1753 (m32c_nonimmediate_operand): New.
1754 (m32c_hl_operand): New.
1755 (m32c_r3_operand): New.
1758 (memsym_operand): New.
1759 (memimmed_operand): New.
1760 (a_qi_operand): New.
1761 (m32c_eqne_operator): New.
1762 (m32c_1bit8_operand): New.
1763 (m32c_1bit16_operand): New.
1764 (m32c_1mask8_operand): New.
1765 (m32c_1mask16_operand): New.
1766 * config/m32c/blkmov.md: New file.
1767 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1769 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1771 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1772 unsigned to fix signed/unsigned comparison issue in
1773 DWARF2_FRAME_REG_OUT.
1774 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1775 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1777 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1778 of ptr into the ENABLE_CHECKING section.
1780 2006-03-08 Jeff Law <law@redhat.com>
1782 * tree-vrp.c (infer_value_range): Only count pointer uses
1783 and dereferences if -fdelete-null-pointer-checks is enabled.
1785 * tree-vrp.c (find_assert_locations): Infer value ranges for
1786 single use pointers, but do not create ASSERT_EXPRs for them.
1787 When a non-null range is inferred for a pointer, backwards
1788 propagate that range to other equivalent pointers through the
1791 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1794 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1795 language hook targets.
1796 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1797 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1798 if language hook targets were missing.
1800 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1802 * tree-ssa-opfinalize.h: Removed.
1803 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1805 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1806 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1807 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1808 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1809 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1810 finalize_ssa_v_must_def_ops): New.
1812 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1814 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1817 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1819 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1821 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1822 addresses with offsets; reorganize.
1824 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1825 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1826 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1828 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1831 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1833 2006-03-08 Ben Elliston <bje@au.ibm.com>
1835 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1837 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1840 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1843 2006-03-07 Richard Guenther <rguenther@suse.de>
1845 PR tree-optimization/26587
1846 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1848 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1850 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
1852 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1854 * hooks.c (hook_bool_mode_rtx_true): New function.
1855 * hooks.h (hook_bool_mode_rtx_true): Declare.
1856 * toplev.c (compile_file): Call output_shared_constant_pool.
1857 * varasm.c (shared_constant_pool): New variable.
1858 (assemble_start_function, assemble_end_function): Remove arguments
1859 from call to output_constant_pool.
1860 (create_constant_pool): New function, split out from...
1861 (init_varasm_status): ...here.
1862 (force_const_mem): Choose between the shared and per-function constant
1863 pools. Set current_function_uses_const_pool when reusing old entries
1864 as well as when creating new ones.
1865 (mark_constant): Ignore data argument.
1866 (mark_constants): Remove pool argument.
1867 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
1868 to decide whether the function uses a constant pool.
1869 (output_constant_pool_contents): New function, split out from...
1870 (output_constant_pool): ...here.
1871 (output_shared_constant_pool): New function.
1872 (init_varasm_once): Initialize shared_constant_pool.
1873 * output.h (output_constant_pool): Delete.
1874 (output_shared_constant_pool): Declare.
1875 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
1876 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
1878 2006-03-06 Nick Clifton <nickc@redhat.com>
1880 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
1881 flag_strength_reduce.
1883 2006-03-06 Ben Elliston <bje@au.ibm.com>
1885 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
1886 x86_64-*-linux* configurations.
1888 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
1889 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
1891 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1893 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
1895 * basic-block.h: Remove the extern for
1896 rediscover_loops_after_threading.
1898 * cfgloop.c (cancel_loop): Make it static.
1899 * cfgloop.h: Remove the prototype for cancel_loop.
1901 * flow.c (recompute_reg_usage): Make it static.
1902 * rtl.h: Remove the prototype for recompute_reg_usage.
1904 * function.c (use_return_register): Make it static.
1905 * function.h: Remove the prototype.
1907 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1909 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
1911 * recog.h: Remove the prototype for
1912 validate_change_maybe_volatile.
1914 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1916 * rtlanal.c (replace_reg): Remove.
1917 * rtl.h: Remove the prototype for replace_reg.
1919 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1921 * regclass.c (reg_scan_update): Remove.
1922 (reg_scan_mark_refs): Remove the last argument.
1923 * rtl.h: Remove the prototype for reg_scan_update.
1925 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1927 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
1928 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
1929 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
1930 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
1931 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
1932 loop-invariant.c, omp-low.c, opts.c, passes.c,
1933 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
1934 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
1935 tree-ssa-structalias.c, tree-ssa-threadedge.c,
1936 tree-ssa-threadupdate.c, tree-vect-patterns.c,
1937 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
1938 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1940 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1942 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1943 * dwarf2out.h: Remove the prototype for
1944 dwarf2out_add_library_unit_info.
1946 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1948 * tree.c (add_var_to_bind_expr): Remove.
1949 * tree.h: Remove the prototype for add_var_to_bind_expr.
1951 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1953 * regclass.c (n_non_fixed_regs): Remove.
1954 (init_reg_sets_1, globalize_reg): Remove all uses of
1956 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1958 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1960 * rtlanal.c (insns_safe_to_move_p): Remove.
1961 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1963 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1965 * expmed.c (expand_mult_add): Remove.
1966 * expr.h: Remove the prototype for expand_mult_add.
1968 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1970 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1971 and REG_SAVED_VAL_EXP constants.
1972 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1973 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1974 Handle regs stored by value.
1975 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1976 (execute_cfa_program): Handle DW_CFA_val_offset,
1977 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1978 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1979 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1980 (uw_install_context_1): Handle target regs stored by value.
1982 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1984 * tree-sra.c (tree_sra): Return todoflags;
1985 (generate_one_element): Set TODO_update_smt_usage if needed.
1986 (pass_sra): Remove TODO_update_smt_usage.
1987 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1989 (tree_ssa_forward_propagate_single_use_vars): Return
1990 TODO_update_smt_usage if we need to update SMT usage.
1991 (pass_forwprop): Remove TODO_update_smt_usage.
1993 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1995 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1996 (correct_use_link): Remove reference to get_stmt_operands.
1997 (update_stmt_operands): Likewise.
1998 (get_modify_expr_operands): New function factored out of
1999 parse_ssa_operands and get_expr_operands.
2000 Try to create V_MUST_DEFs for LHS by default.
2001 (get_expr_operands) <case MODIFY_EXPR>: Call
2002 get_modify_expr_operands.
2003 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2004 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2005 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2006 get_modify_expr_operands.
2008 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2010 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2011 * tree-flow.h: Remove the prototype for
2012 referenced_var_lookup_if_exists.
2014 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2016 PR rtl-optimization/26345
2018 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2020 2006-03-03 Roger Sayle <roger@eyesopen.com>
2022 PR tree-optimization/26524
2023 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2024 fold_convert to create a constant of the appropriate type.
2026 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2028 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2029 SYMBOL_REF_IN_BLOCK_P.
2030 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2031 of SYMBOL_FLAG_IN_BLOCK.
2032 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2033 instead of SYMBOL_REF_IN_BLOCK_P.
2034 * explow.c (use_anchored_address): Likewise.
2035 * rtl.c (rtx_size): Likewise.
2036 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2037 instead of SYMBOL_FLAG_IN_BLOCK.
2038 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2039 SYMBOL_REF_IN_BLOCK_P.
2040 (assemble_variable): Likewise.
2041 (output_constant_def_contents): Likewise.
2042 (output_constant_pool): Likewise.
2043 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2044 instead of SYMBOL_FLAG_IN_BLOCK.
2045 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2046 SYMBOL_REF_IN_BLOCK_P.
2047 (SYMBOL_REF_BLOCK): Likewise.
2048 (SYMBOL_REF_OFFSET): Likewise.
2049 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2050 SYMBOL_REF_IN_BLOCK_P.
2051 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2052 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2053 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2054 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2056 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2058 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2060 2006-03-02 Roger Sayle <roger@eyesopen.com>
2062 * simplify-rtx.c (simplify_unary_operation): When simplifying
2063 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2064 that we perform the right shift in the appropriate mode, and
2065 then extend or truncate the result to requested mode.
2067 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2069 * gengtype.c (main): Handle double_int type.
2070 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2071 * double-int.c: New file.
2072 * double-int.h: New file.
2073 * system.h: Include doubleint.h.
2074 * Makefile.in (SYSTEM_H): Include double-int.h.
2075 (double-int.o): Add.
2077 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2080 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2083 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2085 * tree-vrp.c (remove_range_assertions): Do not update statements
2088 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2090 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2092 * gcse.c (rest_of_handle_gcse): Ditto.
2093 * except.c (gate_handle_eh): Ditto.
2094 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2095 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2097 2006-03-02 Eric Christopher <echristo@apple.com>
2099 * config/i386/i386.c (machopic_output_stub): Add indirection to
2102 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2106 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2108 Sun Niagara specific optimizations.
2109 * config.gcc: Recognize niagara as target.
2110 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2111 (TARGET_CPU_niagara): Define.
2112 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2113 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2114 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2115 (ASM_CPU_SPEC): Likewise.
2116 (PROCESSOR_NIAGARA): New enum entry.
2117 (REGISTER_MOVE_COST): Handle Niagara.
2118 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2119 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2120 (sparc_override_options): Recognize "niagara", set appropriate
2121 default MASK_* values for it, and align functions to 32-bytes
2122 by default just like ULTRASPARC/ULTRASPARC3.
2123 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2124 (sparc64_initialize_trampoline): Likewise.
2125 (sparc_use_sched_lookahead): Use zero for niagara.
2126 (sparc_issue_rate): Use one for niagara.
2127 * config/sparc/niagara.md: New file.
2128 * config/sparc/sparc.md: Include it.
2129 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2130 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2131 when default cpu is niagara.
2132 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2133 (ASM_CPU_SPEC): Likewise.
2134 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2135 when default cpu is niagara.
2136 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2137 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2138 just like v9/ultrasparc/ultrasparc3.
2139 * doc/invoke.texi: Add documentation for "niagara" and improve
2140 existing documentation for ultrasparc variants.
2142 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2144 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2146 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2148 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2149 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2150 and say that only one is needed.
2151 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2152 * target.h (have_switchable_bss_sections): New hook.
2153 * explow.c (use_anchored_address): Check that the symbol is in a block.
2154 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2155 (bss_noswitch_section): New variables.
2156 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2157 (get_noswitch_section): New function.
2158 (get_block_for_section): Allow SECT to be null.
2159 (unlikely_text_section_p): Use SECTION_STYLE.
2160 (bss_initializer_p): New function.
2161 (get_variable_section): Move earlier in file. Take a new argument,
2162 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2163 Return one of the new *_sections in such cases.
2164 (get_block_for_decl): New function, extracting some logic from
2165 use_blocks_for_decl_p.
2166 (change_symbol_section): Remove in favor of...
2167 (change_symbol_block): ...this new function.
2168 (use_blocks_for_decl_p): Remove checks now performed by
2170 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2171 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2172 (emit_local, emit_bss, emit_common): ...these new functions.
2173 Return true if the alignment was honored.
2174 (emit_tls_common): New function.
2175 (asm_emit_uninitialised): Delete.
2176 (assemble_variable_noswitch): New function, split out from...
2177 (assemble_variable): ...here. Don't make decisions about common
2178 variables here. Globalize all public decls that go into non-common
2179 sections. Check whether SYMBOL_REF_BLOCK is null.
2180 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2181 (output_constant_pool): Likewise.
2182 (init_varasm_once): Initialize the new section variables.
2183 (have_global_bss_p): New function.
2184 (categorize_decl_for_section): Use bss_initializer_p.
2185 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2186 (place_block_symbol): Assert that the symbol must be in a block.
2187 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2188 (TARGET_INITIALIZER): Include it.
2189 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2190 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2191 (SECTION_MACH_DEP): Bump by two.
2192 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2193 (unnamed_section): Mention SECTION_UNNAMED in comment.
2194 (named_section): Likewise SECTION_NAMED.
2195 (noswitch_section_callback): New type.
2196 (noswitch_section): New structure.
2197 (section): Add a noswitch_section alternative.
2198 (SECTION_STYLE): New macro.
2199 (tls_comm_section, comm_section, lcomm_section): Declare.
2200 (bss_noswitch_section, have_global_bss_p): Declare.
2201 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2202 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2204 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2205 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2208 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2210 * gcc/tree-vrp.c (execute_vrp): Return value.
2211 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2212 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2213 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2214 (tree_lower_complex_O0): Ditto.
2215 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2216 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2217 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2218 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2219 (execute_tail_calls): Ditto.
2220 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2221 * gcc/tree.h (init_function_for_compilation): Ditto.
2222 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2223 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2224 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2225 * gcc/final.c (compute_alignments): Ditto.
2226 (rest_of_handle_final): Ditto.
2227 (rest_of_handle_shorten_branches): Ditto.
2228 (rest_of_clean_state): Ditto.
2229 * gcc/omp-low.c (execute_expand_omp): Ditto.
2230 (execute_lower_omp): Ditto.
2231 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2232 * gcc/ipa-reference.c (static_execute): Ditto.
2233 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2234 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2235 (rest_of_handle_machine_reorg): Ditto.
2236 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2237 * gcc/flow.c (recompute_reg_usage): Ditto.
2238 (rest_of_handle_remove_death_notes): Ditto.
2239 (rest_of_handle_life): Ditto.
2240 (rest_of_handle_flow2): Ditto.
2241 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2242 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2243 (do_ssa_store_ccp): Ditto.
2244 (execute_fold_all_builtins): Ditto.
2245 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2246 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2247 * gcc/ipa-pure-const.c (static_execute): Ditto.
2248 * gcc/cse.c (rest_of_handle_cse): Ditto.
2249 (rest_of_handle_cse2): Ditto.
2250 * gcc/web.c (rest_of_handle_web): Ditto.
2251 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2252 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2253 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2254 * gcc/tree-nrv.c (tree_nrv): Ditto.
2255 (execute_return_slot_opt): Ditto.
2256 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2257 (create_structure_vars): Ditto.
2258 * gcc/loop-init.c (rtl_loop_init): Ditto.
2259 (rtl_loop_done): Ditto.
2260 (rtl_move_loop_invariants): Ditto.
2261 (rtl_unswitch): Ditto.
2262 (rtl_unroll_and_peel_loops): Ditto.
2263 (rtl_doloop): Ditto.
2264 * gcc/gimple-low.c (lower_function_body): Ditto.
2265 (mark_used_blocks): Ditto.
2266 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2267 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2268 (cgraph_early_inlining): Ditto.
2269 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2270 * gcc/jump.c (cleanup_barriers): Ditto.
2271 (purge_line_number_notes): Ditto.
2272 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2273 (rest_of_handle_if_after_reload): Ditto.
2274 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2275 (tree_ssa_loop_im): Ditto.
2276 (tree_ssa_loop_unswitch): Ditto.
2277 (tree_vectorize): Ditto.
2278 (tree_linear_transform): Ditto.
2279 (tree_ssa_loop_ivcanon): Ditto.
2280 (tree_ssa_empty_loop): Ditto.
2281 (tree_ssa_loop_bounds): Ditto.
2282 (tree_complete_unroll): Ditto.
2283 (tree_ssa_loop_prefetch): Ditto.
2284 (tree_ssa_loop_ivopts): Ditto.
2285 (tree_ssa_loop_done): Ditto.
2286 * gcc/predict.c (tree_estimate_probability): Ditto.
2287 * gcc/recog.c (split_all_insns_noflow): Ditto.
2288 (rest_of_handle_peephole2): Ditto.
2289 (rest_of_handle_split_all_insns): Ditto.
2290 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2291 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2292 (rest_of_handle_stack_adjustments): Ditto.
2293 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2294 * gcc/function.c (instantiate_virtual_regs): Ditto.
2295 (init_function_for_compilation): Ditto.
2296 (rest_of_handle_check_leaf_regs): Ditto.
2297 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2298 (rest_of_handle_gcse): Ditto.
2299 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2300 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2301 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2302 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2303 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2304 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2305 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2306 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2307 * gcc/except.c (set_nothrow_function_flags): Ditto.
2308 (convert_to_eh_region_ranges): Ditto.
2309 (rest_of_handle_eh): Ditto.
2310 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2311 (remove_unnecessary_notes): Ditto.
2312 * gcc/except.h (set_nothrow_function_flags): Ditto.
2313 (convert_to_eh_region_ranges): Ditto.
2314 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2315 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2316 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2317 (execute_fre): Ditto.
2318 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2319 (rest_of_handle_jump2): Ditto.
2320 * gcc/tree-sra.c (tree_sra): Ditto.
2321 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2322 (execute_mudflap_function_decls): Ditto.
2323 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2324 (do_store_copy_prop): Ditto.
2325 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2326 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2327 * gcc/tree-ssa-forwprop.c
2328 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2329 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2330 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2331 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2332 (execute_late_warn_uninitialized): Ditto.
2333 * gcc/rtl.h (cleanup_barriers): Ditto.
2334 (split_all_insns_noflow): Ditto.
2335 (purge_line_number_notes): Ditto.
2336 (unshare_all_rtl): Ditto.
2337 (remove_unnecessary_notes): Ditto.
2338 (recompute_reg_usage): Ditto.
2339 (variable_tracking_main): Ditto.
2340 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2341 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2342 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2343 (execute_free_cfg_annotations): Ditto.
2344 (execute_fixup_cfg): Ditto.
2345 (execute_cleanup_cfg_pre_ipa): Ditto.
2346 (execute_cleanup_cfg_post_optimizing): Ditto.
2347 (execute_init_datastructures): Ditto.
2348 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2349 * gcc/combine.c (rest_of_handle_combine): Ditto.
2350 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2351 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2352 (rest_of_handle_reorder_blocks): Ditto.
2353 (rest_of_handle_partition_blocks): Ditto.
2354 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2355 * gcc/tree-profile.c (tree_profiling): Ditto.
2356 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2357 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2358 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2359 (rest_of_handle_sched2): Ditto.
2360 * gcc/basic-block.h (free_bb_insn): Ditto.
2361 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2362 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2363 (remove_useless_stmts): Ditto.
2364 (split_critical_edges): Ditto.
2365 (execute_warn_function_return): Ditto.
2366 (execute_warn_function_noreturn): Ditto.
2367 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2368 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2369 * gcc/passes.c (execute_one_pass): Run additional
2370 todos returned by execute function.
2371 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2374 2006-03-02 Richard Guenther <rguenther@suse.de>
2376 * tree-ssa-alias.c (find_used_portions): Consider taking
2377 the address as making the variable not write-only.
2379 2006-03-02 Nick Clifton <nickc@redhat.com>
2381 * config.gcc (default_use_cxa_atexit): Extend the description of
2382 this configure variable. Set its default value to "yes" for
2383 Linux, NetBSD and ELF targets on the assumption that they will
2384 use C libraries with the __cxa_atexit function.
2386 2006-03-02 Ben Elliston <bje@au.ibm.com>
2388 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2389 parameter as unused to suppress a build warning.
2391 2006-03-02 Ben Elliston <bje@au.ibm.com>
2393 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2396 2006-03-01 Roger Sayle <roger@eyesopen.com>
2399 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2400 declared name, the weak reference name, and the typeof name.
2401 (__gthrw): Avoid expanding the declared name suffix.
2402 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2404 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2406 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2408 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2409 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2410 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2411 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2412 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2413 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2414 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2415 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2416 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2417 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2418 (DW_END_default, DW_END_big, DW_END_little): New.
2419 (DW_END_lo_user, DW_END_hi_user): Define.
2420 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2421 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2422 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2425 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2427 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2429 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2431 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2433 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2435 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2436 to 'symbol_mem_tag'.
2438 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2441 2006-03-01 Roger Sayle <roger@eyesopen.com>
2443 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2445 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2448 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2449 MACHO_DYNAMIC_NO_PIC_P.
2450 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2452 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2455 * config/darwin-protos.h (darwin_asm_output_anchor):
2457 * config/darwin-sections.def (cstring_section):
2458 Add SECTION_MERGE to the flags.
2459 (literal4_section): Likewise.
2460 (literal8_section): Likewise.
2461 (objc_selector_refs_section): Likewise.
2462 (objc_cls_refs_section): Likewise.
2463 * config/darwin.c (darwin_asm_output_anchor): New
2465 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2467 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2469 Fix PR tree-optimization/26443
2470 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2471 to todo and PROP_tmt_usage to properties_destroyed.
2472 * tree-ssa-ccp.c (pass_ccp): Ditto.
2473 (pass_store_ccp): Ditto.
2474 * tree-ssa-dom.c (pass_dominator): Ditto.
2476 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2478 * tree-ssa-operands.c: Cleanup whitespace.
2479 (get_asm_expr_operands): Move before first invocation.
2480 (get_indirect_ref_operands): Likewise.
2481 (get_tmr_operands): Likewise.
2482 (get_call_expr_operands): Likewise.
2483 (append_def): Likewise.
2484 (append_use): Likewise.
2485 (append_v_may_def): Likewise.
2486 (append_v_must_def): Likewise.
2487 (add_call_clobber_ops): Likewise.
2488 (add_call_read_ops): Likewise.
2489 (add_stmt_operand): Likewise.
2490 (add_virtual_operand): Likewise.
2491 (build_ssa_operands): Likewise.
2493 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2498 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2499 with a call expr to ...
2500 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2502 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2504 * tree-vrp.c (extract_range_from_assert): Remove special
2505 handling for types with super-types.
2507 2006-03-01 Ben Elliston <bje@au.ibm.com>
2509 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2510 and powerpc64-*-linux* configurations.
2511 * config/t-dfprules: New file.
2513 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2514 Compile dfp-bit.c from the source directory using -DWIDTH and
2515 $DFP_CFLAGS to control the compilation of that file, rather than
2516 generating width-specific versions in the build directory.
2517 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2518 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2520 2006-02-28 Zack Weinberg <zackw@panix.com>
2522 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2525 2006-02-28 Eric Christopher <echristo@apple.com>
2527 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2528 Set up IN_LIBGCC definition of TARGET_64BIT.
2529 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2531 2006-02-28 Roger Sayle <roger@eyesopen.com>
2534 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2535 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2536 cases via the construction of "expr != 0".
2538 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2540 * alias.c (alias_invariant, alias_invariant_size): Remove.
2541 (record_base_value): Remove.
2542 (memrefs_conflict_p): Don't look at alias_invariant.
2543 (end_alias_analysis): Don't free it.
2544 * alias.h (record_base_value): Remove prototype.
2546 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2547 Adam Nemet <anemet@caviumnetworks.com>
2549 * rtl.h (truncated_to_mode): Declare it.
2550 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2551 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2552 (RTL_HOOKS_INITIALIZER): Include it.
2553 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2554 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2555 reg_truncated_to_mode.
2556 * rtlanal.c (truncated_to_mode): Define it.
2557 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2559 2006-02-28 Jeff Law <law@redhat.com>
2561 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2562 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2563 the range allowed by TYPE_PRECISION.
2565 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2567 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2569 PR tree-optimization/26419
2570 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2573 2006-02-27 Zack Weinberg <zackw@panix.com>
2575 * doc/md.texi: Fix typo in previous change.
2577 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2581 2006-02-27 Zack Weinberg <zackw@panix.com>
2583 * rtl.def (define_constraint, define_register_constraint)
2584 (define_memory_constraint, define_address_constraint): New MD forms.
2585 * gensupport.c (process_rtx): Put define_constraint etc on the
2587 * genpreds.c (process_define_predicate): Adjust comment. Validate
2588 the name, and call validate_exp to validate the expression.
2589 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2590 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2591 all callers changed.
2592 (validate_exp, needs_variable, struct constraint_data)
2593 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2594 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2595 (const_dbl_constraints, constraint_max_namelen)
2596 (have_register_constraints, have_memory_constraints)
2597 (have_address_constraints, have_address_constraints)
2598 (have_extra_constraints, have_const_int_constraints)
2599 (have_const_dbl_constraints, mangle, add_constraint)
2600 (process_define_constraint, process_define_register_constraint)
2601 (write_enum_constraint_num, write_lookup_constraint)
2602 (write_insn_constraint_len, write_regclass_for_constraint)
2603 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2604 (write_insn_extra_memory_constraint)
2605 (write_insn_extra_address_constraint)
2606 (write_satisfies_constraint_fns): New.
2607 (write_tm_preds_h): If we have new-style constraint definitions,
2608 prototype the functions generated from them, and define the
2609 old constraint interface (still used by generic code) in terms of
2611 (write_insn_preds_c): If we have new-style constraint definitions,
2612 generate all relevant functions from those definitions.
2613 (main): Handle define_constraint etc.
2614 * genoutput.c (struct constraint_data, indep_constraints)
2615 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2616 (mdep_constraint_len): New data structures and functions, defined
2617 #ifdef USE_MD_CONSTRAINTS.
2618 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2619 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2620 use new logic to validate operand constraints against constraint
2622 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2624 * defaults.h: If none of the old-style constraint macros are
2625 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2626 old-style macros; and poison REG_CLASS_FROM_LETTER,
2627 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2629 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2630 * doc/md.texi: Document new constraint-definition mechanism and the
2631 C interface it provides. Remove references to old mechanism
2632 elsewhere in the document.
2633 (Machine Constraints): Use pathnames relative to gcc directory,
2634 i.e. config/ARCH/FILE. Change i386 section to refer to
2635 config/i386/predicates.md; update that section to match docstrings.
2636 * doc/tm.texi: Move all documentation of the old constraint-
2637 definition macros to their own section, clearly mark as obsolete.
2639 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2640 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2642 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2643 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2644 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2646 (splits and peepholes): Use satisfies_constraint_*.
2647 * config/i386/i386.c (memory_address_length)
2648 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2650 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2652 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2653 scalar operation to be put back into the loop.
2655 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2658 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2659 (extract_cie_info): Handle S flag in augmentation string.
2660 (execute_cfa_program): If context->signal_frame, execute also
2661 fs->pc == context->ra instructions.
2662 (uw_frame_state_for): If context->signal_frame, don't subtract one
2663 from context->ra to find FDE.
2664 (uw_update_context_1): Set context->signal_frame to
2666 (_Unwind_GetIPInfo): New function.
2667 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2668 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2670 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2671 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2672 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2673 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2674 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2675 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2676 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2677 x86_64_fallback_frame_state): Set fs->signal_frame.
2678 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2679 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2680 (frob_update_context): Likewise. Workaround missing S flag in
2681 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2682 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2683 Remove the psw_addr + 1 hack.
2685 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2687 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2688 with aggregates here.
2689 (find_func_aliases): Remove code for &<aggregate> from here.
2691 2006-02-26 Roger Sayle <roger@eyesopen.com>
2693 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2694 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2695 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2698 2006-02-26 Roger Sayle <roger@eyesopen.com>
2701 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2703 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2705 * opts.c (decode_options): Do not handle flag_strength_reduce.
2706 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2707 and OPT_fstrength_reduce.
2708 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2709 flag_prefetch_loop_arrays for being nonzero.
2710 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2712 (fprefetch-loop-arrays-rtl): Removed.
2713 (flag_prefetch_loop_arrays): Do not specify the value.
2715 * doc/passes.texi: Update documentation of loop optimizer
2717 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2718 -frerun-loop-opt): Remove.
2720 2006-02-26 Richard Guenther <rguenther@suse.de>
2722 PR tree-optimization/26421
2723 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2724 in function calls that are ADDR_EXPRs as using the whole structure.
2726 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2728 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2729 * tree-pass.h (pass_loop_optimize): Remove.
2730 * passes.c (pass_loop_optimize): Never run it.
2731 * toplev.c (backend_init): Don't call init_loop.
2732 * opts.c (flag_loop_optimize_set): Remove.
2733 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2734 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2735 the old RTL loop optimizer when profiling enabled.
2736 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2737 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2738 pre-headers for the sake of the old RTL loop optimizer.
2739 * Makefile.in: Remove all references to loop.o.
2741 * doc/invoke.texi: Remove all references to -floop-optimize
2742 and -frerun-loop-opt.
2744 2006-02-26 Zack Weinberg <zackw@panix.com>
2746 * doc/md.texi (Machine Constraints): Refer to all files with paths
2747 relative to gcc directory (i.e. config/CPU/file). Add missing
2748 @table @code ... @end table to M32C subsection.
2750 2006-02-26 Roger Sayle <roger@eyesopen.com>
2752 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2754 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2756 2006-02-26 Roger Sayle <roger@eyesopen.com>
2757 James A. Morrison <phython@gcc.gnu.org>
2760 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2761 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2762 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2763 signedness of the shift operation.
2765 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2767 PR tree-optimization/26359
2768 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2770 2006-02-25 Roger Sayle <roger@eyesopen.com>
2772 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2773 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2774 as X == 0, and some symmetry related transformations.
2775 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2777 2006-02-25 Roger Sayle <roger@eyesopen.com>
2780 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2781 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2782 symmetry related transformations. Fold (X^C1) == C2 as
2785 2006-02-25 Juergen Weigert <jw@suse.de>
2786 Richard Guenther <rguenther@suse.de>
2788 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2790 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2792 * combine.c (gen_lowpart_or_truncate): Call
2793 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2795 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2797 * doc/invoke.texi: Move -fopenmp description to "Options for
2799 Remove reference to -lgomp.
2801 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2803 * doc/install.texi: Require GNU tar version 1.14.
2805 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2807 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2808 * doc/invoke.texi (C++ Dialect Options): Document
2809 -fno-use-cxa-get-exception-ptr.
2810 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2811 * configure: Regenerate.
2812 * c.opt (fuse-cxa-get-exception-ptr): New.
2813 * c-opts.c (c_common_handle_option): Handle
2814 OPT_fuse_cxa_get_exception_ptr.
2815 * c-common.c (flag_use_cxa_atexit): Update documentation.
2816 (flag_use_cxa_get_exception_ptr): New.
2817 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2818 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2820 (C_COMMON_OVERRIDE_OPTIONS): New.
2822 2006-02-24 Roger Sayle <roger@eyesopen.com>
2825 * combine.c (try_combine): Explicitly check whether GET_CODE is
2826 a SET or a CLOBBER, instead on checking that it isn't a USE.
2828 2006-02-24 Roger Sayle <roger@eyesopen.com>
2830 * fold-const.c (fold_comparison): New subroutine of fold_binary
2831 containing transformations common to both the equality and
2832 ordering relational operators, factored out of fold_binary.
2833 (fold_binary): Separate out the equality operators (EQ_EXPR
2834 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2835 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2836 transformations common to both.
2837 (fold_div_compare): Fix latent bugs in the previously unreachable
2838 LT_EXPR and GE_EXPR cases.
2840 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2842 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2843 decl libname for clog to __clog on AIX.
2845 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2847 2006-02-24 Alan Modra <amodra@bigpond.net.au>
2850 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
2851 output traceback table for thunks. Localise rs6000_stack_info call.
2853 2006-02-23 Roger Sayle <roger@eyesopen.com>
2854 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2856 * gthr-posix.h (__gthrw): Fix typo in comment.
2858 2006-02-23 Geoffrey Keating <geoffk@apple.com>
2860 * doc/cpp.texi (Character sets): Document that we do support
2861 input files to be in any character set.
2863 2006-02-23 Jeff Law <law@redhat.com>
2865 * tree.h (PHI_ARG_NONZERO): Remove.
2866 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
2867 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
2868 node to the new node.
2870 PR tree-optimization/26425
2871 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
2872 min/max, then assume its varying.
2874 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2876 PR rtl-optimization/26316
2877 * rtlanal.c (enum may_trap_p_flags): New.
2878 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
2879 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
2880 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
2881 (may_trap_after_code_motion_p): New function.
2882 * loop-invariant.c (find_identical_invariants): Fix dump formating.
2883 (find_invariant_insn): Use may_trap_after_code_motion_p.
2884 * rtl.h (may_trap_after_code_motion_p): Declare.
2886 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2888 * emit-rtl.c (immed_double_const): Cleanup.
2890 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
2892 Fix PR tree-optimization/26376
2893 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
2896 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2899 * gimplify.c (omp_add_variable): Guard variable size decl test with
2900 DECL_SIZE (decl) check.
2902 2006-02-23 Richard Guenther <rguenther@suse.de>
2905 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
2906 like aggregate types.
2908 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2910 * configure.ac: Add --with{,out}-long-double-128 configure option.
2911 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
2912 * configure: Rebuilt.
2913 * config.in: Rebuilt.
2914 * doc/install.texi (Options specification): Document
2915 --with-long-double-128.
2917 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2918 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2919 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2920 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2922 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
2924 * config/s390/s390.c (override_options): Handle
2925 TARGET_DEFAULT_LONG_DOUBLE_128.
2927 * config/alpha/alpha.c (override_options): Handle
2928 TARGET_DEFAULT_LONG_DOUBLE_128.
2930 * config/sparc/sparc.c (sparc_override_options): Handle
2931 TARGET_DEFAULT_LONG_DOUBLE_128.
2933 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
2935 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
2936 (real-install-headers-tar, real-install-headers-cpio)
2937 (real-install-headers-cp): New targets.
2939 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2941 * tree.h (variable_section): Delete.
2942 * varasm.c (variable_section): Delete.
2944 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2946 * install.texi: Add notes on install.texi2html.
2947 (Building in parallel): Do not use footnotes.
2949 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2952 * doc/install.texi (Configuration): Document --disable-libgomp.
2954 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2956 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2958 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2960 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2961 (vec_extractv2df_0_sse): New.
2963 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2965 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2966 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2967 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2968 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2969 to the result of the expression.
2970 (def_cfa_1): Adjust.
2971 (frame_pointer_cfa_offset): Rename to...
2972 (frame_pointer_fb_offset): ... this. Adjust all uses.
2973 (convert_cfa_to_loc_list): Rename to...
2974 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2975 Pass it on to build_cfa_loc.
2976 (compute_frame_pointer_to_cfa_displacement): Rename to...
2977 (compute_frame_pointer_to_fb_displacement): ... this. New
2978 offset parameter. Use it in computation.
2979 (gen_subprogram_die): Compute cfa_fb_offset with the new
2980 macro, and use it to compute the fb loc list and the
2983 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2985 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2986 replaced with register_operand.
2987 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2988 non-DREG is expensive.
2989 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2990 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2993 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2995 * doc/install.texi2html: Use set -e.
2997 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2999 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3000 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3001 * doc/invoke.texi (-fshared-data): Delete.
3002 * common.opt (fshared-data): Delete.
3003 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3004 (assemble_static_space): Remove #if 0 code.
3005 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3006 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3007 * config/cris/cris.h: Remove FIXME.
3009 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3011 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3014 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3017 * combine.c (simplify_shift_const_1): Disable nested shifts
3018 optimization for vector shifts.
3020 2006-02-20 Roger Sayle <roger@eyesopen.com>
3022 PR tree-optimization/26361
3023 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3024 of unsigned integer types.
3026 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3028 * tree-chrec.c (eq_evolutions_p): New.
3029 * tree-chrec.h (eq_evolutions_p): Declared.
3030 * tree-data-ref.c: Fix formatting.
3031 (datadep_stats, dependence_stats): New.
3033 (print_direction_vector): New.
3034 (dump_data_dependence_relation): Use print_direction_vector.
3035 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3036 (compute_subscript_distance): Static.
3037 (initialize_data_dependence_relation): Static. Get the number
3038 of loops surrounding the references from the callers, and initialize
3039 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3040 base_object_differ_p analyzers.
3041 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3042 compute_overlap_steps_for_affine_1_2,
3043 analyze_subscript_affine_affine): Count the classified dependences.
3044 Print a message when a test failed.
3045 (can_use_analyze_subscript_affine_affine): New.
3046 (analyze_siv_subscript): Compute the data dependences on symbolic
3047 scevs that verify can_use_analyze_subscript_affine_affine.
3048 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3049 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3050 Handle symbolic scevs.
3051 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3053 (subscript_dependence_tester): Moved...
3054 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3055 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3056 DDR_SIZE_VECT instead of getting it in parameter.
3057 (subscript_dependence_tester): ... here. Take as a parameter
3058 loop_nest_depth. Call build_classic_dist_vector and
3059 build_classic_dir_vector.
3060 (compute_affine_dependence): Update subscript_dependence_tester
3061 parameters. Update datadep_stats counters. Call
3062 compute_subscript_distance.
3063 (compute_self_dependence): Save the dist and dir vectors. Call
3064 compute_subscript_distance.
3065 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3066 (compute_all_dependences): Reorder parameters as they were before
3067 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3068 compute_subscript_distance. Update the use of
3069 compute_affine_dependence and initialize_data_dependence_relation.
3070 (find_data_references_in_loop): Handle COMPONENT_REF.
3071 (compute_data_dependences_for_loop): Initialize dependence_stats.
3072 Don't call build_classic_dist_vector and build_classic_dir_vector.
3073 Update the parameters of initialize_data_dependence_relation and
3074 compute_all_dependences. Print the statistics from datadep_stats.
3075 (analyze_all_data_dependences): Static. Not used until the pass for
3076 checking the data dependences is contributed.
3077 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3078 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3079 (initialize_data_dependence_relation, compute_affine_dependence,
3080 analyze_all_data_dependences, compute_subscript_distance): Removed.
3081 (print_direction_vector): New.
3082 * lambda.h (gcd): ... here.
3083 (lambda_vector_gcd): Moved here from gcd_vector.
3084 * lambda-code.c (gcd, gcd_vector): Removed.
3085 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3086 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3088 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3090 * ipa-type-escape.c: Tidy some comments and white space.
3091 * tree-ssa-operands.c: Likewise.
3093 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3096 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3097 (dump_decl_name): Do not walk the decl tree chains.
3098 * tree-pass.h (TDF_CHAIN): Remove.
3100 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3102 * Makefile.in (C): Remove
3104 (.PHONY): Remove C and PROTO
3106 2006-02-20 Roger Sayle <roger@eyesopen.com>
3109 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3110 deprecated CHAR_TYPE tree code.
3112 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3114 * configure.ac (target_list): Add install-info, dvi, html.
3115 * configure: Regenerate.
3117 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3118 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3119 treelang/Make-lang.in: Do not use double-colon rules.
3121 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3123 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3124 (TMT_USED_ALONE): New macro.
3125 * tree-pass.h (PROP_tmt_usage): New property.
3126 (TODO_update_tmt_usage): New todo.
3127 * tree-ssa-alias.c (updating_used_alone): New variable.
3128 (recalculate_used_alone): New function.
3129 (compute_may_aliases): Set updating_used_alone, call
3130 recalculate_used_alone.
3131 * tree-sra.c (pass_sra): Note that this pass destroys
3132 PROP_tmt_usage, and add TODO_update_tmt_usage.
3133 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3134 * tree-flow.h (updating_used_alone): Prototype.
3135 (recalculate_used_alone): Ditto.
3136 * passes.c (execute_todo): Add code to set updating_used_alone,
3137 and call recalculate.
3138 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3139 for clobber if used alone, and add assert to verify used_alone
3142 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3144 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3145 for non tls symbols added.
3146 (legitimize_address): Do nothing for PLUS expressions if one of the
3147 addends is a tls symbol reference.
3149 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3153 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3155 * Makefile.in (BOOTSTRAPPING): New.
3156 (quickstrap): New definition if BOOTSTRAPPING=yes.
3158 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3159 * configure.ac: Substitute all_selected_languages with the languages
3160 that were configured. For all the other variables except
3161 lang_specs_files, include all the languages in the tree.
3162 * configure: Regenerate.
3164 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3165 if there is one. Run the commands to run fixincludes in the same
3168 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3169 * doc/install.texi: Document exact conventions for searching target tools.
3170 Document --with-build-time-tools. Document toplevel bootstrap. Document
3171 something more about building an Ada cross-compiler. Don't list GNU Make
3172 requirements which affect all platforms.
3174 2006-02-19 Roger Sayle <roger@eyesopen.com>
3177 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3178 only equivalent if the have both the same mode and precision.
3180 2006-02-20 Ben Elliston <bje@au.ibm.com>
3182 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3184 2006-02-19 Roger Sayle <roger@eyesopen.com>
3185 Steven Bosscher <stevenb.gcc@gmail.com>
3187 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3188 constant pool references to identify stack mode constants.
3189 * rtlanal.c (constant_pool_constant_p): New predicate to check
3190 whether operand is a floating point constant in the pool.
3191 * rtl.h (constant_pool_constant_p): Prototype here.
3192 * loop.c (scan_loop): Avoid hoisting constants from the constant
3193 pool on STACK_REGS targets.
3194 (load_mems): Likewise.
3195 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3196 loads into x87 registers expensive in terms of register pressure.
3198 2006-02-19 Roger Sayle <roger@eyesopen.com>
3200 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3201 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3203 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3205 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3206 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3208 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3210 * doc/invoke.texi: Document -fipa-pta.
3211 * common.opt: Add ipa-pta option.
3212 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3213 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3214 (do_ds_constraint): Ditto.
3215 (get_constraint_for): Only add to referenced_vars if
3216 referenced_vars exists.
3217 (insert_into_field_list): Rewrite to do this unsorted.
3218 (insert_into_field_list_sorted): Rename old insert_into_field_list
3220 (create_function_info_for): Use insert_into_field_list_sorted.
3221 (create_variable_info_for): Rewrite so it uses unsorted version,
3222 since the field list is sorted.
3223 (intra_create_variable_infos): Only add to referenced_vars if
3224 referenced_vars exists.
3225 (ipa_pta_execute): Init heapvars, and delete when done.
3226 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3228 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3230 * doc/install.texi: Add missing `@samp'.
3232 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3234 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3237 2006-02-18 Mark Wielaard <mark@klomp.org>
3239 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3240 who added new 4.1 features, bug fixes and integration support.
3242 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3245 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3248 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3250 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3251 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3252 (copy_insn_1): Likewise. Don't copy each field individually.
3254 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3256 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3257 * rtl.c (rtx_size): Rename variable to...
3258 (rtx_code_size): ...this.
3259 (rtx_size): New function.
3260 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3261 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3263 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3264 * rtl.h (rtx_code_size): New variable.
3265 (rtx_size): Change from a variable to a function.
3266 (RTX_SIZE): Rename to...
3267 (RTX_CODE_SIZE): ...this.
3270 PR tree-optimization/17106
3271 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3272 (Anchored Addresses): New section.
3273 * doc/invoke.texi (-fsection-anchors): Document.
3274 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3275 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3276 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3277 * hooks.c (hook_bool_mode_rtx_false): New function.
3278 * hooks.h (hook_bool_mode_rtx_false): Declare.
3279 * gengtype.c (create_optional_field): New function.
3280 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3281 SYMBOL_REF_IN_BLOCK_P is true.
3282 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3283 (min_anchor_offset, max_anchor_offset): Likewise.
3284 (use_anchors_for_symbol_p): New hook.
3285 * toplev.c (compile_file): Call output_object_blocks.
3286 (target_supports_section_anchors_p): New function.
3287 (process_options): Check that -fsection-anchors is only used on
3288 targets that support it and when -funit-at-a-time is in effect.
3289 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3290 if the decl doesn't have one.
3291 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3292 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3293 of force_const_mem through use_anchored_address.
3294 (expand_expr_constant): New function.
3295 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3296 calling expand_expr for INDIRECT_REF.
3297 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3298 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3299 * expr.h (use_anchored_address): Declare.
3300 * loop-unroll.c: Don't declare rtx vectors here.
3301 * explow.c: Include output.h.
3302 (validize_mem): Call use_anchored_address.
3303 (use_anchored_address): New function.
3304 * common.opt (-fsection-anchors): New switch.
3305 * varasm.c (object_block_htab, anchor_labelno): New variables.
3306 (hash_section, object_block_entry_eq, object_block_entry_hash)
3307 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3308 (use_blocks_for_decl_p, change_symbol_section): New functions.
3309 (get_variable_section): New function, split out from assemble_variable.
3310 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3311 use_blocks_for_decl_p say so. Use change_symbol_section if the
3312 symbol has already been created.
3313 (assemble_variable_contents): New function, split out from...
3314 (assemble_variable): ...here. Don't output any code for
3315 block symbols; just pass them to place_block_symbol.
3316 Use get_variable_section and assemble_variable_contents.
3317 (get_constant_alignment, get_constant_section, get_constant_size): New
3318 functions, split from output_constant_def_contents.
3319 (build_constant_desc): Create a block symbol if use_object_blocks_p
3320 says so. Or into SYMBOL_REF_FLAGS.
3321 (assemble_constant_contents): New function, split from...
3322 (output_constant_def_contents): ...here. Don't output any code
3323 for block symbols; just pass them to place_section_symbol.
3324 Use get_constant_section and get_constant_alignment.
3325 (force_const_mem): Create a block symbol if use_object_blocks_p and
3326 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3327 (output_constant_pool_1): Add an explicit alignment argument.
3328 Don't switch sections here.
3329 (output_constant_pool): Adjust call to output_constant_pool_1.
3330 Switch sections here instead. Don't output anything for block symbols;
3331 just pass them to place_block_symbol.
3332 (init_varasm_once): Initialize object_block_htab.
3333 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3334 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3335 (place_block_symbol, get_section_anchor, output_object_block)
3336 (output_object_block_htab, output_object_blocks): New functions.
3337 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3338 (TARGET_ASM_OUT): Include it.
3339 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3340 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3341 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3342 (TARGET_INITIALIZER): Include them.
3343 * rtl.c (rtl_check_failed_block_symbol): New function.
3344 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3345 (block_symbol, object_block): New structures.
3346 (rtx_def): Add a block_symbol field to the union.
3347 (BLOCK_SYMBOL_CHECK): New macro.
3348 (rtl_check_failed_block_symbol): Declare.
3349 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3350 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3351 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3352 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3353 * output.h (output_section_symbols): Declare.
3354 (object_block): Name structure.
3355 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3356 (default_use_anchors_for_symbol_p): Declare.
3357 * Makefile.in (RTL_BASE_H): Add vec.h.
3358 (explow.o): Depend on output.h.
3359 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3360 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3361 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3362 (rs6000_use_blocks_for_constant_p): New function.
3364 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3366 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3368 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3371 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3374 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3376 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3380 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3383 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3384 instead of DECL_REGISTER.
3386 2006-02-18 Olivier Hainque <hainque@adacore.com>
3389 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3391 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3394 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3395 * opth-gen.awk: Handle Var and InverseMask together.
3396 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3397 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3398 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3399 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3401 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3402 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3403 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3404 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3405 LINUX_DYNAMIC_LINKER): Define.
3406 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3407 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3409 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3410 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3411 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3412 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3413 (TARGET_C99_FUNCTIONS): Don't define.
3414 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3415 GLIBC_DYNAMIC_LINKER.
3416 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3417 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3418 GLIBC_DYNAMIC_LINKER64): Define.
3419 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3420 LINUX_DYNAMIC_LINKER64.
3421 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3422 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3423 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3424 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3425 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3426 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3427 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3428 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3429 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3430 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3431 and LINUX_DYNAMIC_LINKER32.
3432 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3433 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3434 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3435 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3436 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3438 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3439 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3440 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3441 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3442 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3443 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3444 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3445 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3446 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3447 LINUX_DYNAMIC_LINKER): Define.
3448 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3449 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3450 GLIBC_DYNAMIC_LINKER64): Define.
3451 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3452 LINUX_DYNAMIC_LINKER64.
3453 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3454 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3455 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3456 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3457 LINUX_DYNAMIC_LINKER): Define.
3458 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3459 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3460 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3461 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3462 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3463 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3464 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3465 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3466 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3467 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3468 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3469 * doc/invoke.texi (-muclibc): Remove caveat about supported
3472 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3474 * doc/cpp.texi (__TIMESTAMP__): Document.
3476 2006-02-17 Roger Sayle <roger@eyesopen.com>
3479 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3480 C is one less than the width of X (and related transformations).
3481 * simplify-rtx.c (simplify_unary_operation_1): Transform
3482 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3483 depending on STORE_FLAG_VALUE, were C is one less then the
3486 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3488 Fix PR tree-optimization/26341
3489 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3490 about NAME_MEMORY_TAG's.
3492 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3495 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3496 with hardware float support, and software float support. Add fcpy
3497 alternative to hardware patterns. Add alternatives to copy between
3498 general and floating-point registers to the 32-bit pattern.
3499 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3500 secondary reload to load a QI or HI mode constant into a floating
3502 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3503 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3505 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3508 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3510 (load_macho_picbase_di): Likewise.
3512 2006-02-16 Jeff Law <law@redhat.com>
3514 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3515 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3516 (ssa_name_nonzero_p): Likewise.
3517 (get_value_range): Return NULL if VRP is not running.
3518 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3519 VRP routines do not discover a range.
3520 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3521 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3522 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3523 (tree_expr_nonnegative_p): Similarly.
3524 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3525 (restore_nonzero_vars_to_original_value): Remove.
3526 (unsafe_associative_fp_binop): Remove.
3527 (tree_ssa_dominator_optimize): Remove initialization and
3528 finalization of nonzero_vars and nonzero_vars_stack.
3529 (dom_opt_initialize_block): No longer push marker on
3531 (dom_opt_finalize_block): No longer call
3532 restore_nonzero_vars_to_original_value.
3533 (record_equivalences_from_phis): No longer look for
3534 nonzero PHI arguments.
3535 (cprop_into_successor_phis): No longer propagate nonzero
3536 property into PHI arguments. Lose unused argument. Caller
3538 (record_equivalences_from_stmt): No longer record nonzero
3539 values for SSA_NAMEs.
3540 (lookup_avail_expr): No longer use nonzero_vars.
3542 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3543 for sizetype when sizetype is unsigned.
3545 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3547 PR rtl-optimization/25603
3548 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3549 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3550 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3551 with new meaning of SETS.
3553 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3558 * config/linux.opt: New file.
3559 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3560 LINUX_DYNAMIC_LINKER): Define.
3561 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3562 * config.gcc (*-*-linux*): Define extra_options.
3563 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3564 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3565 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3566 GLIBC_DYNAMIC_LINKER.
3567 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3568 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3569 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3570 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3571 * doc/invoke.texi (GNU/Linux Options): New section.
3573 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3575 * config/sparc/sparc.md (setjmp): Rewrite.
3576 (setjmp_32): Delete.
3577 (setjmp_64): Likewise.
3579 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3581 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3584 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3586 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3589 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3591 PR rtl-optimization/26296
3592 * Makefile.in (loop-invariant.c): Add except.h dependency.
3593 * loop-invariant.c: Include except.h.
3594 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3596 2005-02-16 Paul Brook <paul@codesourcery.com>
3598 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3601 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3603 PR rtl-optimization/25636
3604 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3605 when deciding whether an insn is an initializing insn.
3607 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3609 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3610 (tree_code_size): Ditto.
3611 * tree.h (struct tree_memory_tag): Remove parent_var.
3612 (struct tree_struct_field_tag): New.
3615 (union tree_node): Add sft member.
3616 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3618 (create_sft): Add size and offset argument, set SFT_OFFSET and
3620 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3621 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3622 * tree-flow-inline.h (get_subvar_at): Update for
3623 SFT_OFFSET/SFT_SIZE.
3624 (var_can_have_subvars): Ditto.
3625 (overlap_subvar): Ditto.
3626 * print-tree.c (print_node): Print out interesting things for
3628 * tree-flow.h (struct subvar): Remove offset and size members.
3629 * tree-ssa-operands.c (get_expr_operands): Update for
3630 get_indirect_ref_operands changes.
3631 (get_indirect_ref_operands): Call add_virtual_operand instead of
3632 add_stmt_operand. Only recurse on base var if requested.
3633 (access_can_touch_variable): New function.
3634 (add_stmt_operand): Split virtual operand handling into ...
3635 (add_virtual_operand): Here. Add offset, size, and for_clobber
3636 arguments. Prune alias sets.
3637 (add_call_clobber_ops): Call add_virtual_operand.
3639 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3642 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3644 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3645 than TREE_CODE as index into omp_clause_num_ops array.
3647 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3649 PR rtl-optimization/26184
3650 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3652 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3653 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3654 must_precede, must_follow and tobe_scheduled.
3657 * opts.c (common_handle_option): Free new_option pointer.
3658 * df-core.c (df_analyze): Free postorder pointer.
3660 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3662 * Makefile.in: Fix the examples about the use of stamps
3664 2006-02-15 Michael Matz <matz@suse.de>
3668 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3669 influenced by maximum_field_alignment or DECL_PACKED.
3670 (update_alignment_for_field): Ditto.
3671 (place_field): Ditto.
3672 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3675 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3677 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3678 (debug_flow_info): Pass it.
3679 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3680 * bb-reorder.c (reorder_basic_blocks): Likewise.
3681 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3682 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3683 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3684 * gcse.c (gcse_main, bypass_jumps): Likewise.
3685 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3686 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3687 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3688 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3689 * rtl.h (dump_flow_info): Adjust prototype.
3690 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3691 * var-tracking.c (variable_tracking_main): Likewise.
3692 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3693 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3696 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3698 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3701 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3703 PR tree-optimization/26209
3704 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3705 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3707 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3709 2006-02-14 Roger Sayle <roger@eyesopen.com>
3712 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3713 (X,Y) and the corresponding symmetry related transformations.
3714 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3715 (X,Y) and its symmetry related transformations.
3717 2006-02-14 Roger Sayle <roger@eyesopen.com>
3719 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3722 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3724 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3726 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3729 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3730 support COMDAT group.
3731 * configure: Regenerate.
3733 2006-02-14 Roger Sayle <roger@eyesopen.com>
3738 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3740 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3742 Fix PR tree-optimization/26260
3744 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3746 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3747 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3748 * tree-ssa-structalias.c (create_variable_info_for): Use
3749 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3751 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3753 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3755 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3756 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3757 of the ending condition.
3758 * tree-ssa-loop-manip.c: Include params.h.
3759 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3760 tree_unroll_loop): New functions.
3761 * tree-pass.h (pass_loop_prefetch): Declare.
3762 * loop.c (rest_of_handle_loop_optimize): Test for
3763 -fprefetch-loop-arrays-rtl.
3764 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3765 * timevar.def (TV_TREE_PREFETCH): New timevar.
3766 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3767 pass_loop_prefetch): New.
3768 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3769 (cleanup_tree_cfg_loop): Call scev_reset.
3770 * common.opt (fprefetch-loop-arrays-rtl): Add.
3771 * tree-ssa-loop-prefetch.c: New file.
3772 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3773 (new_temp_expr_table): Initialize expr_vars.
3774 (free_temp_expr_table): Cleanup expr_vars.
3775 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3776 expressions from being merged into one.
3777 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3778 (struct tree_niter_desc): Add control, bound and cmp fields.
3779 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3781 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3782 (tree-cfgcleanup.o): Add SCEV_H dependency.
3783 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3784 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3786 2006-02-14 Richard Guenther <rguenther@suse.de>
3788 PR tree-optimization/26258
3789 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3790 in PHI argument processing.
3792 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3794 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3795 new expression in the requested machine mode.
3797 2006-02-13 Roger Sayle <roger@eyesopen.com>
3799 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3800 directly, instead let do_compare_rtx_and_jump handle this for us.
3801 * expr.c (expand_expr_real_1): Likewise.
3802 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3803 before do_jump_by_parts_greater.
3804 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3805 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3807 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3809 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3811 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3813 PR rtl-optimization/26235
3814 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3815 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3818 2006-02-13 Jeff Law <law@redhat.com>
3820 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3823 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3826 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3827 twice if decl is a builtin. When trying again, call get_callee_fndecl
3828 first to verify it is still a builtin.
3830 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3832 * dwarf2out.c (base_type_die): Don't add AT_name here.
3833 (subrange_type_die): Don't add AT_name here.
3834 (modified_type_die): Rearrange code flow. Do add AT_name here.
3836 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3838 PR rtl-optimization/26247
3839 PR rtl-optimization/26248
3840 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3842 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3844 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3845 * config/fixtfdi.c: Likewise.
3846 * config/fixunstfdi.c: Likewise.
3847 * config/floatditf.c: Likewise.
3849 2006-02-13 Roger Sayle <roger@eyesopen.com>
3852 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
3853 into (X,C2) if C1 is a subset of the bits of C2. Transform
3854 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
3856 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
3858 2006-02-13 Josh Conner <jconner@apple.com>
3861 * varasm.c (function_section): Check for section name before
3862 calling select_section on targets that define
3863 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
3864 unlikely_text_section instead of hot_function_section if
3865 first_function_block_is_cold.
3867 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
3870 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
3872 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3874 PR rtl-optimization/26222
3875 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
3876 after tree->rtl expansion.
3877 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
3878 before passing it to emit_move_insn.
3880 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
3882 * doc/invoke.texi (-Write-strings): Document that it is enabled by
3884 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
3885 Clarify documentation.
3886 * c-common.h (warn_write_strings): Remove.
3887 * c-common.c (warn_write_strings): Likewise.
3888 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
3891 2006-02-12 Roger Sayle <roger@eyesopen.com>
3894 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
3895 (do_jump_parts_zero_rtx): New function renamed from
3896 do_jump_parts_equality_rtx. Made static. Add a mode argument.
3897 (do_jump_parts_equality_rtx): New function split out from
3898 do_jump_parts_equality. Old implementation renamed as above.
3899 Call do_jump_parts_zero_rtx if either operand is zero.
3900 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
3901 do all of the heavy lifting.
3902 (do_compare_rtx_and_jump): Handle multi-word comparisons by
3903 calling either do_jump_by_parts_greater_rtx or
3904 do_jump_by_parts_equality_rtx.
3905 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
3906 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
3907 moved to do_compare_rtx_and_jump, call it directly.
3908 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
3909 mode argument. Call do_compare_rtx_and_jump.
3910 (emit_case_nodes): Update calls to do_jump_if_equal.
3912 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3914 PR rtl-optimization/26225
3915 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
3917 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3919 PR rtl-optimization/26232
3920 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
3922 2006-02-11 Jason Merrill <jason@redhat.com>
3925 * tree-inline.c (declare_return_variable): Just don't use the
3926 modify target if it's a gimple complex reg and the return slot
3929 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3931 * doc/contrib.texi: Update my entry.
3933 2006-02-10 Geoffrey Keating <geoffk@apple.com>
3935 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
3937 2006-02-10 Diego Novillo <dnovillo@redhat.com>
3939 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3942 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3944 * doc/invoke.texi (-floop-optimize2): Removed.
3945 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3946 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3947 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3948 * common.opt (floop-optimize2): Removed.
3949 (fmove-loop-invariants): Enabled by default.
3951 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3953 * tree-if-conv.c (combine_blocks): Free the result of
3954 get_loop_exit_edges.
3956 2006-02-10 Jeff Law <law@redhat.com>
3958 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3960 PR tree-optimization/26213
3961 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3962 loop trying to follow SSA_NAME_VALUE chains.
3964 2006-02-10 Richard Guenther <rguenther@suse.de>
3966 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3967 deal with structures that end in implicitly variable sized arrays.
3969 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3971 PR rtl-optimization/24762
3972 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3975 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3977 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3978 (struct ivopts_data): Add regs_used field.
3979 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3980 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3981 instead of loop_data->regs_used;
3982 (free_loop_data): Do not free aux fields for loops.
3983 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3984 and tree_ssa_iv_optimize_finalize.
3986 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3988 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3990 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3993 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3994 computing the effective result type.
3996 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3999 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4000 (tree_overlaps_hard_reg_set): Declare.
4001 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4002 type and signature to match function type expected by walk_tree.
4003 (tree_overlaps_hard_reg_set): New function.
4004 (decl_conflicts_with_clobbers_p): Rename to:
4005 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4006 Use tree_overlaps_hard_reg_set. Changed caller.
4007 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4008 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4009 * cris.c (cris_md_asm_clobbers): Likewise.
4011 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4013 * reload1.c (emit_input_reload_insns): Delete code that tries to
4014 inherit using find_equiv_reg.
4016 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4018 * c-common.h (flag_const_strings): Don't declare.
4019 * c-common.c (flag_const_strings): Remove.
4020 * c.opt (fconst_strings): Remove.
4021 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4022 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4023 (c_common_init_options): Don't set flag_const_strings.
4024 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4026 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4028 * arm.md (tlobits_cbranch): New pattern.
4029 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4030 testing a single bit.
4032 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4035 * tree-ssa-pre.c (create_component_ref_by_pieces):
4036 Handle RETURN_DECL like VAR_DECL.
4038 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4041 * fold-const.c (fold_indirect_ref_1): Fold
4042 "*(foo *)&complexfoo" to "__real__ complexfoo"
4043 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4045 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4047 * tree-flow-inline.h (var_can_have_subvars):
4048 Volatile variables should not have subvariables.
4050 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4053 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4054 multiplying unsigned values.
4057 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4059 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4061 2006-02-08 Jason Merrill <jason@redhat.com>
4064 * tree.def: Elaborate on difference from MODIFY_EXPR.
4065 * doc/c-tree.texi (INIT_EXPR): Likewise.
4066 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4067 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4068 (gimplify_target_expr): Likewise.
4069 (gimplify_cond_expr): Remove target handling.
4070 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4071 (gimplify_expr): Clobber it here.
4072 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4073 Do return slot optimization if we have an INIT_EXPR.
4076 * tree-inline.c (declare_return_variable): Also clear
4077 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4080 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4083 * gimplify.c (gimplify_one_sizepos): Fix typo.
4085 2006-02-08 Jeff Law <law@redhat.com>
4087 PR tree-optimization/21417
4088 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4089 across a backedge if the control statement at the end of the
4090 block is data dependent on other statements in the same block.
4091 (record_temporary_equivalences_from_stmts): Remove over-conservative
4092 test for threading across backedges.
4094 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4095 control statement, handle all three special cases in the same
4096 manner as they all have the same desired solution. No longer
4097 special case edge flag updating when the post dominator is
4100 2006-02-08 Roger Sayle <roger@eyesopen.com>
4102 * tree.def (CHAR_TYPE): Remove.
4103 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4104 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4105 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4106 (gen_string_type_die): Delete unreachable function.
4108 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4109 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4110 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4111 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4112 * builtins.c (type_to_class): Likewise.
4113 * fold-const.c (fold_convert, build_range_check,
4114 merge_ranges): Likewise.
4115 * expr.c (count_type_elements): Likewise.
4116 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4117 * stor-layout.c (layout_type): Likewise.
4118 * ipa-type-escape.c (type_to_consider): Likewise.
4119 * gimplify.c (omp_firstprivatize_type_sizes,
4120 gimplify_type_sizes): Likewise.
4121 * explow.c (promote_mode): Likewise.
4122 * tree-sra.c (is_sra_scalar_type): Likewise.
4123 * varasm.c (output_constant): Likewise.
4124 * tree-inline.c (remap_type_1): Likewise.
4125 * convert.c (convert_to_pointer, convert_to_real,
4126 convert_to_integer, convert_to_complex): Likewise.
4128 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4130 * df-scan.c (df_def_record_1): A set destination may
4131 be a parallel regardless of mode.
4133 2006-02-08 Roger Sayle <roger@eyesopen.com>
4136 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4137 * config/mips/_tilib.c: Remove.
4138 * config/fixtfdi.c: New libgcc source file.
4139 * config/fixunstfdi.c: New source file.
4140 * config/floatditf.c: New source file.
4141 * config/floatunditf.c: New souce file.
4142 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4143 files above instead of config/mips/_tilib.c.
4144 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4146 2006-02-08 Jeff Law <law@redhat.com>
4148 PR tree-optimization/26169
4149 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4152 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4154 * df.h (DF_REG_SIZE): Return the length of the initialized
4157 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4159 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4160 __muldf3): Return a correctly signed zero.
4162 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4164 * passes.c (register_one_dump_file): Accept the current properties
4165 instead of pass number. Adjust call to dump_register. Remove
4167 (register_dump_files): Now a wrapper around...
4168 (register_dump_files_1): ... this one. Do not modify the pass
4170 (next_pass_1): Cosmetic fix.
4171 (execute_todo): Keep second parameter only. Use curr_properties
4172 instead of fetching it from the pass structure. Check and set
4174 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4175 instead of fetching it from the pass structure. Fix calls to
4176 execute_todo. Update curr_properties and initialize .vcg RTL dump
4177 after running the pass. Reset last_verified.
4178 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4180 (FIRST_AUTO_NUMBERED_DUMP): New.
4181 (dump_register): Remove "num" parameter, assign it within the
4183 (get_dump_file_name): Modify template for dumps.
4184 * tree-dump.h (dump_register): Adjust prototype.
4185 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4186 (PROP_trees): Add PROP_gimple_lomp.
4187 (TODO_set_props): New.
4188 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4189 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4190 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4192 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4194 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4195 (sparc64-*-linux*): Likewise.
4196 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4197 * config/sparc/t-linux: New file.
4198 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4199 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4200 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4201 -m32 -mlong-double-128.
4203 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4204 * config/alpha/t-linux: New file.
4205 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4207 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4208 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4209 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4210 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4211 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4212 (CPP_ARCH32_SPEC): Remove.
4214 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4216 PR tree-optimization/26145
4217 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4220 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4223 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4224 >= 240000 when generating code for SOM runtime.
4225 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4226 to $$dyncall when generating code for SOM runtime..
4228 2006-02-07 Dirk Mueller <dmueller@suse.com>
4231 * doc/invoke.texi (-Wsequence-point): Update documentation
4232 that -Wsequence-point is implemented for C++ as well.
4234 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4236 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4237 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4238 (LIB_SPEC): Likewise.
4239 * doc/invoke.texi (SPARC options): Document -pthread.
4241 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4243 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4246 2006-02-07 Roger Sayle <roger@eyesopen.com>
4248 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4249 Correct comment describing BOOLEAN_TYPE.
4251 2006-02-07 Dirk Mueller <dmueller@suse.com>
4253 * c.opt: C++ frontend supports -Wdiv-by-zero.
4254 * c-opts.c (c_common_handle_option): Remove dead case.
4256 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4258 * configure.ac (TLS assembler check): Do not enable TLS by
4259 default on SPARC/Solaris before version 10.
4260 * configure: Regenerate.
4262 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4264 * doc/invoke.texi (xl-compat): Document conversion and support
4267 2006-02-07 Jeff Law <law@redhat.com>
4269 * tree-vrp.c (find_conditional_asserts): Update comments.
4270 (simplify_stmt_for_jump_threading): New.
4271 (identify_jump_threads, finalize_jump_threads): New.
4272 (vrp_finalize): Call identify_jump_threads.
4273 (execute_vrp): Call finalize_jump_threads.
4274 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4275 (vrp_element, vrp_data, vrp_element_p): Remove.
4276 (vrp_hash_elt, vrp_variables_stack): Remove.
4277 (vrp_hash, vrp_eq, record_range): Remove.
4278 (simplify_cond_and_lookup_avail_expr): Remove.
4279 (extract_range_from_cond): Remove.
4280 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4281 (simplify_stmt_for_jump_threading): New.
4282 (dom_thread_across_edge): New wrapper.
4283 (tree_ssa_dominator_optimize): No longer initialize or
4284 finalize any of the VRP datastructures. Remove iteration
4285 step and simplify as a result of removal of iteration step.
4286 (pass_dominator): Perform a cfg cleanup after DOM.
4287 (dom_opt_finalize_block): Use the new common routines
4288 for threading jumps. Simplify stack management slightly.
4289 No longer need to unwind VRP state.
4290 (record_equivalences_from_incoming_edge): No longer record
4292 (eliminate_redundant_computations): No longer call
4293 simplify_cond_and_lookup_avail_expr.
4294 * tree-flow.h (potentially_threadable_block): Prototype.
4295 (thread_across_edge): Likewise.
4296 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4297 (tree-ssa-threadedge.o): Add dependencies.
4298 * tree-ssa-threadedge.c: New file.
4299 * passes.c (init_optimization_passes): Merge PHIs before
4300 calling VRP. Run VRP again late in the SSA optimization pipeline.
4302 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4304 * df-core.c (df_set_blocks): Do not dereference function pointers.
4305 (df_finish1): Likewise.
4306 (df_hybrid_search_forward): Likewise.
4307 (df_hybrid_search_backward): Likewise.
4308 (df_iterative_dataflow): Likewise.
4309 (df_analyze_problem): Likewise.
4310 (df_compact_blocks): Likewise.
4311 (df_dump): Likewise.
4312 * df-scan.c (df_rescan_blocks): Likewise.
4313 (df_record_entry_block_defs): Likewise.
4315 * genconditions.c (write_conditions): Guard the definition of
4316 'insn_conditions' with the check on GCC version.
4317 (write_writer): Guard the traversal 'insn_conditions' with
4318 the check on GCC version.
4320 2006-02-07 Richard Guenther <rguenther@suse.de>
4324 2006-01-30 Richard Guenther <rguenther@suse.de>
4326 * gimplify.c (gimplify_target_expr): Handle easy cases
4327 without creating a temporary.
4329 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4331 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4332 use of float in probability computations. Use edge probabilities
4333 in place of statically computed probabilities.
4334 (min_spec_prob): New static variable.
4335 (schedule_insns): Initialize it.
4336 (GET_SRC_PROB): Removed.
4337 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4339 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4342 * config/ia64/unwind-ia64.c: Revert last change.
4343 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4344 (INCOMING_FRAME_SP_OFFSET): Define.
4346 2006-02-06 Roger Sayle <roger@eyesopen.com>
4348 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4350 2006-02-07 Ben Elliston <bje@au.ibm.com>
4352 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4353 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4354 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4355 (ix86_return_in_memory): Handle TDmode.
4356 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4357 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4359 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4361 * reorg.c (dbr_schedule): Use dump_file instead of file.
4363 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4366 * config/ia64/predicates.md (extr_len_operand): New predicate.
4367 * config/ia64/ia64.md (extv): Tighten constraints.
4369 (*tbit_and_2): Ditto.
4370 (*tbit_and_3): Ditto.
4371 (*tbit_or_2): Ditto.
4372 (*tbit_or_3): Ditto.
4376 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4379 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4381 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4383 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4384 loop_optimizer_init and loop_optimizer_finalize
4385 * tree-ssa-sink.c (execute_sink_code): Ditto.
4386 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4387 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4388 tree_ssa_loop_done): Ditto.
4389 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4390 * sched-ebb.c: Include output.h.
4391 (schedule_ebbs): Do not use dump argument.
4392 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4393 * loop.c (loop_dump_stream): Removed.
4394 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4396 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4397 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4398 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4399 loop_iterations, strength_reduce, record_biv, record_giv,
4400 final_giv_value, check_final_value, check_ext_dependent_givs,
4401 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4402 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4403 dump_file instead of loop_dump_stream.
4404 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4406 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4408 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4409 * haifa-sched.c: Include output.h
4410 (schedule_insns, sched_init): Do not use dump argument.
4411 * mode-switching.c (optimize_mode_switching): Ditto.
4412 * modulo-sched.c (stats_file): Removed.
4413 (print_node_sched_params): Do not call argument dump_file.
4414 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4415 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4417 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4419 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4420 rtl_loop_init, rtl_loop_done): Ditto.
4421 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4422 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4424 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4425 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4426 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4427 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4428 * emit-rtl.c (renumber_insns): Ditto.
4429 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4430 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4431 * regclass.c (regclass): Ditto.
4432 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4433 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4434 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4435 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4437 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4438 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4440 * gcse.c (gcse_file, debug_stderr): Removed.
4441 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4442 rest_of_handle_gcse): Do not use dump argument.
4443 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4444 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4445 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4446 compute_code_hoist_vbeinout, compute_code_hoist_data,
4447 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4448 compute_store_table, build_store_vectors, insert_insn_start_bb,
4449 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4450 store_motion): Use dump_file instead of gcse_file.
4451 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4452 * profile.c (profile_dump_file): Removed.
4453 (branch_prob): Use dump_file instead of profile_dump_file.
4454 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4456 * tree-ssa-copy.c (dump_copy_of): Ditto.
4457 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4458 dump file to life_analysis.
4459 * bt-load.c (branch_target_load_optimize): Ditto.
4460 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4462 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4463 regclass, dbr_schedule): Declaration changed.
4464 * sched-int.h (sched_init): Declaration changed.
4465 * tree-profile.c (tree_profile_dump_file): Removed.
4466 (tree_profile_hooks): Removed profile_dump_file hook.
4467 * rtl-profile (rtl_profile_dump_file): Removed.
4468 (rtl_profile_hooks): emoved profile_dump_file hook.
4469 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4471 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4472 * tree-cfg.c (build_tree_cfg): Ditto.
4473 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4474 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4475 Declaration changed.
4476 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4477 life_analysis and schedule_insns.
4478 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4480 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4482 * config/mips/mips.c (mips_reorg): Ditto.
4483 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4486 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4488 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4489 (s390_mangle_fundamental_type): New.
4490 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4493 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4494 (alpha_mangle_fundamental_type): New.
4495 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4498 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4500 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4502 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4503 (sparc_mangle_fundamental_type): New.
4505 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4507 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4508 (s390x-*-linux*): Likewise.
4509 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4510 * config/s390/t-linux: New file.
4512 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4514 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4515 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4517 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4519 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4520 (ANTIC_SAFE_LOADS): New macro.
4521 (find_or_generate_expression): Add prototype.
4522 (set_contains_value): Allow null set for sake of not always having
4523 to allocate ANTIC_SAFE_LOADS.
4524 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4525 Allow COMPONENT_REF too.
4526 (valid_in_set): Allow COMPONENT_REF.
4527 Check ANTIC_SAFE_LOADS too.
4528 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4529 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4531 (can_PRE_operation): Add COMPONENT_REF.
4532 (create_component_ref_by_pieces): New function.
4533 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4534 (insert_aux): Move AGGREGATE_TYPE_P check here.
4535 (compute_avail): Set bb local stmt uids.
4536 (pass_pre): Use TODO_update_ssa_only_virtuals.
4538 2006-02-06 Ben Elliston <bje@au.ibm.com>
4540 * configure.ac: Unconditionally disable decimal float by default.
4541 * configure: Regenerate.
4543 2006-02-06 Ben Elliston <bje@au.ibm.com>
4545 * read-rtl.c (read_name): Terminate reading on EOF.
4547 2006-02-06 Ben Elliston <bje@au.ibm.com>
4549 * dfp.c (decimal_real_arithmetic): Change second argument type
4550 from int to enum tree_code. Do not always return true, but now
4551 return result of any call to decimal_do helper functions.
4552 * dfp.h (decimal_real_arithmetic): Update prototype.
4554 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4556 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4558 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4561 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4564 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4566 * tree-vrp.c (cfg_loops): Removed.
4567 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4568 Use current_loops instead of cfg_loops. Pass flags to
4569 loop_optimizer_init.
4570 * cfgloopmanip.c (fix_loop_structure): Update only available
4572 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4573 loop_optimizer_init.
4574 * modulo-sched.c (build_loops_structure): Removed.
4575 (sms_schedule): Use loop_optimizer_init.
4576 * loop-init.c (loop_optimizer_init): Use flags to determine
4577 which properties of loops to prepare.
4578 (rtl_loop_init): Pass flags to loop_optimizer_init.
4579 * tree-ssa-sink.c (execute_sink_code): Ditto.
4580 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4581 * tree-ssa-pre.c (init_pre): Ditto.
4582 * cfgloop.h (LOOPS_NORMAL): New.
4583 (loop_optimizer_init): Declaration changed.
4585 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4587 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4588 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4590 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4592 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4594 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4595 * pa/t-pa64: Delete quadlib.c rule.
4596 * pa/x-ada: Revert last change.
4597 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4599 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4601 PR rtl-optimization/26087
4602 * rtlanal.c (canonicalize_condition): Do not cross basic block
4605 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4608 * config/ia64/ia64.c: Include debug.h.
4609 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4610 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4611 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4612 (process_epilogue, process_set, process_for_unwind_directive):
4613 Output unwind info only if requested. Add CFA info if requested.
4614 Add new arguments as needed. Adjust callers.
4615 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4617 (DWARF2_FRAME_INFO): Define to zero.
4618 * config/ia64/unwind-ia64.c: Remove code that compensated for
4619 the CFA offset error fixed above.
4620 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4621 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4622 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4623 -funwind-tables and -fexceptions to enable frame info.
4624 (dwarf2out_frame_init): Define initial CFA even if
4625 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4626 DWARF2_UNWIND_INFO is nonzero, not just defined.
4627 (dwarf2out_frame_finish): Output non-EH call frame info only
4628 if DWARF2_FRAME_INFO is nonzero.
4629 (convert_cfa_to_loc_list,
4630 compute_frame_pointer_to_cfa_displacement): Define even if
4631 unwind info is not supported.
4632 (gen_subprogram_die): Use the above unconditionally. Remove
4633 legacy alternate code.
4634 * toplev.c (compile_file): Compile in call to
4635 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4636 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4638 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4639 Jakub Jelinek <jakub@redhat.com>
4641 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4642 IBM extended float format long double as "g" on powerpc*-linux.
4644 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4647 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4648 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4650 2006-02-03 Jason Merrill <jason@redhat.com>
4653 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4656 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4657 on the return slot if it's an NRV.
4659 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4661 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4662 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4663 rewrite_use): Do not handle USE_OUTER.
4664 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4665 add_iv_outer_candidates, may_replace_final_value,
4666 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4667 (find_interesting_uses_op): Functionality of
4668 find_interesting_uses_outer_or_nonlin moved here.
4669 (find_interesting_uses_outside): Use find_interesting_uses_op.
4671 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4674 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4676 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4677 Ulrich Weigand <uweigand@de.ibm.com>
4680 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4681 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4682 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4683 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4685 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4686 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4687 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4688 Define secondary reloads for TFmode moves.
4689 (constant_modes): Add TFmode.
4690 (NR_C_MODES): Set to 8.
4691 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4693 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4694 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4695 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4696 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4697 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4698 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4699 (FPR mode macro): Add TFmode.
4700 (DSF mode macro): New.
4701 (<de>, <dee> mode attributes): Removed.
4702 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4703 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4704 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4705 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4706 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4707 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4708 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4709 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4710 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4711 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4712 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4713 "*negabs<mode>2", "sqrt<mode>2"):
4714 Changed <de> to <xde>. R constraint replaced by <Rf>.
4715 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4717 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4718 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4719 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4721 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4722 "extenddftf2", "extendsftf2"): New expanders.
4723 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4724 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4725 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4726 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4728 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4729 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4730 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4731 __floatditf): Add a GCC_4.1.0 symbol version tag.
4732 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4735 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4738 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4739 Use targetm.binds_local_p instead of TREE_PUBLIC.
4741 2006-02-02 Roger Sayle <roger@eyesopen.com>
4743 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4744 on INTEGER_TYPEs to indicate that it denotes a character type.
4745 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4746 signed_char_type_node, unsigned_char_type_node and char_type_node.
4747 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4748 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4749 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4751 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4752 Daniel Berlin <dberlin@dberlin.org>
4754 * tree-tailcall.c (arg_needs_copy_p): New function.
4755 (eliminate_tail_call): Use arg_needs_copy_p.
4756 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4757 (add_virtual_phis): New function.
4759 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4761 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4762 #ignore instead of #scratch for %g7 .register directive.
4764 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4766 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4769 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4771 * flow.c (calculate_global_regs_live): Assert that there aren't any
4774 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4776 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4778 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4779 bsi_after_labels iterator.
4780 * tree-if-conv.c (find_phi_replacement_condition,
4781 replace_phi_with_cond_modify_expr): Likewise.
4782 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4783 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4785 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4787 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4789 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4792 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4793 array after growing it.
4795 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4798 * fold-const.c (fold_checksum_tree): Change type of buf.
4800 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4802 * reload.c (push_secondary_reload): Initialize t_icode.
4804 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4806 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4807 -msoft-float -mlong-double-128 only issue a warning, but don't
4808 swich to DFmode long double.
4810 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4812 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4813 has a constant equivalent, iterate over equivalents for arg0,
4814 calling simplify_relational_operation and if there's a result
4815 cheaper than X, apply fold_rtx and return the result.
4817 2006-02-01 Jan Hubicka <jh@suse.cz>
4819 * opts.c (no_unit_at_a_time_default): New global variable.
4820 (decode_options): Use it.
4821 * opts.h (no_unit_at_a_time_default): Declare.
4823 2006-02-01 Paul Brook <paul@codesourcery.com>
4825 * function.c (assign_parm_setup_reg): Use function argument promotion
4827 * expr.c (expand_expr_real_1): Use function argument promotion rules
4830 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4832 * gcc.c (process_command): Change j to 'unsigned int'.
4834 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4837 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4838 Use the corrected index for the character
4839 out of the string constant.
4841 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4843 * mode-switching.c (optimize_mode_switching): Fix size
4844 allocated for bb_info[n_entities].
4846 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4848 * gcc.c (main): Correct type that is allocated for
4849 explicit_link_files.
4851 2006-01-31 Jakub Jelinek <jakub@redhat.com>
4853 * config/s390/s390.c (init_alignment_context): Set
4854 ALIAS_SET_MEMORY_BARRIER on the MEM.
4855 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
4857 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
4860 * loop-unroll.c (unroll_loop_runtime_iterations): Free
4862 * tree-ssa-live.c (type_var_init): Allocate bitmap after
4865 2006-01-31 Marcin Dalecki <martin@dalecki.de>
4867 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
4868 * regrename.c: Ditto.
4869 * tree-ssa-loop-im.c: Ditto.
4870 * tree-dump.c: Ditto.
4871 * tree-complex.c: Ditto.
4872 * genrecog.c: Ditto.
4873 * tree-ssa-threadupdate.c: Ditto.
4875 * java/class.c: Ditto.
4876 * java/jcf-parse.c: Ditto.
4877 * java/resource.c: Ditto.
4878 * java/except.c: Ditto.
4879 * java/jvspec.c: Ditto.
4880 * java/jcf-write.c: Ditto.
4881 * java/jcf-path.c: Ditto.
4882 * java/gjavah.c: Ditto.
4883 * java/zextract.c: Ditto.
4884 * java/jcf-io.c: Ditto.
4885 * java/jcf.h: Ditto.
4886 * java/buffer.c: Ditto.
4887 * java/lang.c: Ditto.
4888 * java/parse-scan.y: Ditto.
4889 * java/lex.c: Ditto.
4890 * java/lex.h: Ditto.
4891 * cfgloopmanip.c: Ditto.
4892 * postreload-gcse.c: Ditto.
4893 * tree-ssa-loop-manip.c: Ditto.
4894 * postreload.c: Ditto.
4895 * tree-ssa-loop-ch.c: Ditto.
4899 * diagnostic.c: Ditto.
4901 * genoutput.c: Ditto.
4903 * cfghooks.c: Ditto.
4904 * cfgloopanal.c: Ditto.
4905 * objc/objc-act.c: Ditto.
4907 * genextract.c: Ditto.
4908 * genautomata.c: Ditto.
4909 * pretty-print.c: Ditto.
4911 * cgraphunit.c: Ditto.
4914 * haifa-sched.c: Ditto.
4915 * dominance.c: Ditto.
4917 * tree-ssa-loop-ivopts.c: Ditto.
4919 * mode-switching.c: Ditto.
4920 * modulo-sched.c: Ditto.
4922 * ipa-pure-const.c: Ditto.
4924 * fix-header.c: Ditto.
4926 * tree-stdarg.c: Ditto.
4927 * ipa-utils.c: Ditto.
4928 * loop-init.c: Ditto.
4929 * ipa-inline.c: Ditto.
4932 * alloc-pool.c: Ditto.
4933 * dwarf2out.c: Ditto.
4935 * genattrtab.c: Ditto.
4936 * tree-ssa-loop-ivcanon.c: Ditto.
4940 * fortran/gfortranspec.c: Ditto.
4942 * local-alloc.c: Ditto.
4943 * langhooks.c: Ditto.
4944 * function.c: Ditto.
4945 * tree-vectorizer.c: Ditto.
4947 * ipa-type-escape.c: Ditto.
4949 * tree-if-conv.c: Ditto.
4952 * tree-data-ref.c: Ditto.
4953 * loop-unroll.c: Ditto.
4954 * treelang/treetree.c: Ditto.
4957 * ggc-common.c: Ditto.
4959 * coverage.c: Ditto.
4961 * tree-cfgcleanup.c: Ditto.
4962 * tree-ssa-pre.c: Ditto.
4963 * cfgcleanup.c: Ditto.
4964 * loop-invariant.c: Ditto.
4966 * ipa-prop.c: Ditto.
4967 * print-tree.c: Ditto.
4968 * conflict.c: Ditto.
4969 * ggc-page.c: Ditto.
4970 * sched-deps.c: Ditto.
4971 * regclass.c: Ditto.
4972 * tree-object-size.c: Ditto.
4974 * bb-reorder.c: Ditto.
4975 * resource.c: Ditto.
4976 * var-tracking.c: Ditto.
4978 * df-problems.c: Ditto.
4979 * reg-stack.c: Ditto.
4982 * sched-rgn.c: Ditto.
4983 * tree-ssa-structalias.c: Ditto.
4984 * tree-ssa-reassoc.c: Ditto.
4985 * config/darwin-c.c: Ditto.
4986 * config/darwin.c: Ditto.
4987 * config/arm/arm.c: Ditto.
4989 * collect2.c: Ditto.
4992 2006-01-31 Nicolas Pitre <nico@cam.org>
4994 * arm.md (smaxsi3): Make aware of smax_m1.
4997 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4999 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5001 2006-01-31 Richard Guenther <rguenther@suse.de>
5003 * doc/invoke.texi (-msselibm): Document.
5004 * target.h (expand_library_builtin): New target hook.
5005 * builtins.c (expand_builtin): Use expand_library_builtin.
5006 (default_expand_library_builtin): New function.
5007 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5008 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5009 (link_gcc_math_spec): Declare.
5010 (static_specs): Add link_gcc_math_spec.
5011 * expr.h (default_expand_library_builtin): Declare.
5012 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5013 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5014 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5015 * config/i386/i386.opt (msselibm): New target option.
5016 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5017 (ix86_init_sse_abi_builtins): New function.
5018 (ix86_expand_library_builtin): Likewise.
5019 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5020 (override_options): Handle error conditions wrt -msselibm.
5021 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5022 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5023 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5026 2006-01-31 Richard Guenther <rguenther@suse.de>
5027 Paolo Bonzini <bonzini@gnu.org>
5029 * doc/install.texi (--disable-libgcc-math): Document.
5031 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5033 * expr.h (expand_normal): new inline function.
5034 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5036 * dwarf2out.c: use it.
5041 * config/sparc/sparc.c: use it.
5042 * config/i386/i386.c: use it.
5043 * config/rs6000/rs6000.c: use it.
5044 * config/arm/arm.c: use it.
5045 * config/mips/mips.c: use it.
5046 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5048 2006-01-30 Roger Sayle <roger@eyesopen.com>
5050 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5051 argv to the appropriate type.
5053 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5055 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5058 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5061 * config/s390/s390.c (struct machine_function): New flag
5062 decomposed_literal_pool_addresses_ok_p.
5063 (s390_reorg): Set it before final stage of literal pool transforms.
5064 (s390_decompose_address): Only accept displacements of the form
5065 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5067 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5069 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5070 the comparison routine return.
5072 2006-01-30 Michael Matz <matz@suse.de>
5074 * global.c (find_reg): Only evict for global regs.
5075 Take n_refs into account and dump more info.
5077 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5080 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5081 (pragma_trap, pragma_nosave_low_regs): Likewise.
5082 (current_function_anonymous_args): Likewise.
5083 (sh_deferred_function_attributes): New variable.
5084 (sh_deferred_function_attributes_tail): Likewise.
5085 (print_operand): For '@', look up trap_exit attribute.
5086 (calc_live_regs): Look up trapa_handler attribute. For trapa
5087 handlers, save/restore fpscr, but don't do any other
5088 interrupt-specific saves.
5089 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5090 Fix check for partially saved registers to check for SHmedia.
5091 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5092 (sh_output_function_epilogue): Don't clear any of the removed
5094 (sh_insert_attributes): Don't check pragma_interrupt.
5095 Insert deferred attributes. Check that interrupt attribute is
5096 present for other attributes that require its presence.
5097 (sh_attribute_table): Add new attributes trapa_handler and
5099 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5100 Don't check for pragma_interrupt. Don't store argument.
5101 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5102 (sh_deferred_function_attributes): Declare.
5103 (sh_deferred_function_attributes_tail): Likewise.
5104 * sh.md (sp_switch_1): Add operand. Change generator caller.
5105 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5106 (*return_i): Don't use when trap_exit attribute is in effect.
5107 (*return_trapa): New insn pattern.
5109 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5110 setting c_target_objs and cxx_target_objs.
5111 * t-sh: Add rule for sh-c.o.
5113 2006-01-30 Richard Guenther <rguenther@suse.de>
5116 * gimplify.c (gimplify_target_expr): Handle easy cases
5117 without creating a temporary.
5119 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5121 * vec.h (safe_grow): Remove duplicated line.
5123 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5126 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5127 (expand_omp): ... here.
5128 (expand_omp_parallel): Only remove barriers for combined
5129 parallel+workshare constructs.
5131 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5135 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5136 * tree.c (build_qualified_type): Chain the new type to the original
5137 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5138 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5139 (build_pointer_type_for_mode): Only return unqualified types.
5140 (build_reference_type_for_mode): Likewise.
5142 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5144 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5145 * Makefile.in (CXX_COMPAT_WARN): Define.
5146 * configure: Regenerate.
5148 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5151 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5154 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5156 * toplev.c: Fix thinko.
5158 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5159 Marcin Dalecki <martin@dalecki.de>
5161 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5162 (push_srcloc): Use XNEW.
5163 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5165 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5167 * df-core.c (df_set_blocks): Deleted all variable.
5169 2006-01-28 Ian Lance Taylor <ian@airs.com>
5171 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5172 cgraph_output_pending_asms.
5174 2006-01-28 Zack Weinberg <zackw@panix.com>
5176 * c.opt: Add -W(no-)overlength-strings.
5177 * doc/invoke.texi: Document it.
5178 * c-opts.c (c_common_handle_option): -pedantic implies
5179 -Woverlength-strings, if not explicitly disabled already.
5180 (c_common_post_options): -Woverlength-strings defaults to off, and
5181 is always off for C++.
5182 * c-common.c (fix_string_type): Issue warning about strings longer
5183 than is portable only if warn_overlength_strings. Rearrange code
5184 a little for clarity.
5185 * configure.in: Check for -Wno-overlength-strings as well before
5186 enabling -pedantic in stage 1.
5187 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5188 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5190 * genconditions.c (write_header, write_one_condition)
5191 (write_conditions, write_writer): Consolidate very long strings
5192 that were broken up to fit in C89 portable limit. Don't use
5193 printf when fputs will do.
5195 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5197 * combine.c (simplify_comparison <AND>): Check
5198 TRULY_NOOP_TRUNCATION before start using a subreg.
5200 * config/mips/mips.md (*branch_zero<mode>,
5201 *branch_zero<mode>_inverted, *branch_equality<mode>,
5202 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5203 Remove mode check from comparisons.
5205 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5207 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5209 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5211 * expmed.c (const_mult_add_overflow_p): Remove.
5212 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5214 * recog.c (validate_replace_rtx_subexp): Remove.
5215 * recog.h: Remove the prototype for
5216 validate_replace_rtx_subexp.
5218 * integrate.h: Remove the prototype for
5219 copy_decl_for_inlining.
5220 * rtl.h: Remove the prototype for mark_constant_function.
5221 * tree-vectorizer.h: Remove the prototype for
5222 vect_strip_conversion.
5224 * modulo-sched.c (create_partial_schedule,
5225 free_partial_schedule, reset_partial_schedule): Make them
5228 * hooks.c (hook_bool_rtx_int_false): Remove.
5229 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5231 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5233 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5234 and -mlong-double-128 are incompatible.
5235 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5236 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5237 (TARGET_LIBGCC2_CFLAGS): Define.
5238 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5239 (TARGET_LIBGCC2_CFLAGS): Same.
5240 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5242 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5245 * c-typeck.c (build_binary_op): Perform implicit casts of
5246 operands before shortening them.
5248 * cfgloopmanip.c (split_loop_bb): Remove.
5249 * cfgloop.h: Remove the prototype for split_loop_bb.
5251 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5252 * cfgloop.h: Remove the prototype for
5253 flow_loop_outside_edge_p.
5255 * emit-rtl.c (init_virtual_regs): Make it static.
5256 * function.h: Remove the prototype for init_virtual_regs.
5258 * recog.c (peephole2_optimize): Make it static.
5259 * recog.h: Remove the prototype for peephole2_optimize.
5261 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5263 * df-scan.c (df_record_entry_block_defs): Check if
5264 INCOMING_RETURN_ADDR_RTX is defined.
5266 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5267 Kenneth Zadeck <zadeck@naturalbridge.com>
5269 PR rtl-optimization/24762
5270 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5271 * targhooks.c (hook_void_bitmap): New hook prototype.
5272 * targhoohs.h (hook_void_bitmap): Ditto.
5273 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5274 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5275 * target.h (live_on_entry): New function pointer.
5276 * df-scan.c (df_all_hard_regs): Removed.
5277 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5278 (df_scan_free_internal): Added df->entry_block_defs.
5279 (df_scan_alloc): Ditto.
5280 (df_scan_dump): Ditto.
5281 (df_uses_record): Plumbed flag field properly thru calls.
5282 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5283 This part fixes PR24762.
5284 (df_bb_refs_record): Added code to make the frame and arg
5285 pointers live in EH blocks.
5286 (df_refs_record): Added call to df_record_entry_block_defs.
5287 (df_record_entry_block_defs): New function.
5288 * df-core.c: Added comments to describe new artifical defs.
5289 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5290 (entry_block_defs): New field in struct df.
5291 (df_all_hard_regs): Deleted.
5292 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5293 * df-problems.c (df_ru_bb_local_compute_process_def):
5294 Added code to handle artifical defs in the entry to a function.
5295 (df_ru_bb_local_compute): Ditto.
5296 (df_rd_bb_local_compute_process_def): Ditto.
5297 (df_rd_bb_local_compute): Ditto.
5298 (df_lr_bb_local_compute): Ditto.
5299 (df_ur_bb_local_compute): Ditto.
5300 (df_urec_bb_local_compute): Ditto.
5301 (df_chain_create_bb): Ditto.
5302 (df_ur_local_finalize): Removed entry.
5303 (df_urec_init): Ditto.
5304 (df_urec_local_finalize): Ditto.
5305 (df_ri_bb_compute): Added detection of last use of pseudos.
5306 * Makefile.in (df-scan.o): Updated dependencies.
5307 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5308 * config/mips/mips.c (mips_set_live_on_entry): Added.
5309 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5311 * dce.c (marked_insn_p): Added code to handle artifical defs.
5313 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5315 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5317 (_mm_cvtsi128_si64): Likewise.
5318 (_mm_cvtsd_si64): Likewise.
5319 (_mm_cvttsd_si64): Likewise.
5320 (_mm_cvtsi64_sd): Likewise.
5321 (_mm_cvtsi64_si128): Likewise.
5322 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5323 (_mm_cvtsi64_m64): Likewise.
5324 (_m_to_int64): Likewise.
5325 (_mm_cvtm64_si64): Likewise.
5326 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5327 (_mm_cvttss_si64): Likewise.
5328 (_mm_cvtsi64_ss): Likewise.
5329 (_mm_cvtss_f32): Likewise.
5331 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5333 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5334 for pragma redefine_extname.
5336 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5339 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5340 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5341 -mno-minimal-toc to previous content.
5342 (bispecs): Remove goal.
5343 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5344 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5345 compatibility aliases on powerpc-*-*gnu*.
5346 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5347 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5348 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5349 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5350 (ldblspecs): New goal.
5351 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5352 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5354 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5355 L_sf_to_tf or L_df_to_tf is defined.
5357 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5358 Alan Modra <amodra@bigpond.net.au>
5361 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5362 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5363 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5364 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5365 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5366 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5367 (rs6000_override_options): Initialize rs6000_ieeequad.
5368 Initialize TFmode format to ibm_extended_format if not
5370 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5372 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5373 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5374 (function_arg_advance): IBM long double passed in two FPRs, not
5376 (function_arg): IBM long double passed in FPRs.
5377 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5378 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5379 Only multireg GPR aligned.
5380 (rs6000_init_libfuncs): Enable IBM long double functions if not
5382 (rs6000_generate_compare): Use IBM long double compare if not
5384 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5385 (TARGET_IEEEQUAD): Define.
5386 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5387 not TARGET_IEEEQUAD.
5388 * config/rs6000/rs6000.md: Enable TFmode patterns if
5390 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5391 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5392 and -mlong-double-128 are incompatible.
5393 * doc/invoke.texi (-mabi): Collect options together. Add
5394 ibmlongdouble and ieeelongdouble.
5396 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5398 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5400 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5401 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5402 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5403 * rtl.h (rtunion_def): Remove rt_ptr.
5405 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5406 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5407 * config/i386/winnt.c (i386_pe_mark_dllexport)
5408 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5410 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5412 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5414 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5418 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5419 pthread_key_delete. From John David Anglin. gthrw-ify
5420 pthread_getunique_np only if it it's not a macro. Delete
5422 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5423 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5424 __gthread_objc_condition_signal, __gthread_key_delete): Add
5425 "__attribute__ ((__unused__))" to unused arguments.
5426 (__gthread_recursive_mutex_init_function): Add missing return.
5427 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5428 gthr-posix95.h: Use macro-based approach for name redirection
5429 on targets missing weakref.
5431 2006-01-26 Zack Weinberg <zackw@panix.com>
5433 * genconditions.c (write_header): In generated code, #ifdef out
5434 all includes and fake declarations, except includes of bconfig.h
5435 and system.h, unless GCC_VERSION >= 3001. Do not include
5436 gensupport.h in any case.
5437 (write_conditions): Generate a definition of struct c_test. Add
5438 a comment to the generated #endif.
5439 (write_one_condition): Escape backslashes in string too.
5440 (write_writer): Generated code must escape backslashes and quote
5441 marks (but not newlines) in the strings it writes.
5442 * Makefile.in (build/gencondmd.o): Update dependencies.
5444 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5447 * Makefile.in (insn-automata.o): Add header file dependencies.
5448 * genautomata.c: Add includes.
5450 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5453 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5455 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5457 * configure.ac: Expect target tools paths to be passed from the toplevel
5458 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5460 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5462 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5465 * c.opt (Wpointer-sign): Init to -1.
5466 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5467 OPT_pedantic, to 0 otherwise.
5468 * doc/invoke.texi: Update.
5470 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5472 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5473 constants provided by 80387 instructions in the destination mode.
5475 2006-01-26 Richard Guenther <rguenther@suse.de>
5476 Andrew Pinski <pinskia@physics.uc.edu>
5479 partial PR tree-opt/17064
5480 * tree-ssa-structalias.c (intra_create_variable_infos):
5481 Create heap variables for incoming parameters if
5482 flag_argument_noalias > 1.
5483 (find_what_p_points_to): Look through default defs of
5486 2006-01-26 Jeff Law <law@redhat.com>
5489 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5490 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5491 within the VR_RANGE, use the VR_RANGE as the result, not the
5493 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5494 bounds for the type.
5496 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5498 * tree-ssa-alias.c (maybe_create_global_var): Change
5499 subvar walking to an assertion that we don't have subvar'd variables.
5501 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5504 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5505 Use a new variable, inner. PARM_DECLs are always non-weak.
5507 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5509 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5512 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5514 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5516 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5518 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5519 (smax_insn, smin_insn, smax_0, smin_0): New.
5521 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5524 * config/cris/cris.c (cris_order_for_addsi3): New function.
5525 * config/cris/cris-protos.h: Prototype it.
5526 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5527 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5528 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5529 (split for "op.S1 [rx=rx+i],ry (swapped)")
5530 (split for "op(s|u).S1 [rx=rx+i],ry")
5531 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5532 Apply cris_order_for_addsi3 when generating addsi3 insns.
5534 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5536 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5537 (TREE_BLOCK): Add call to EXPR_CHECK.
5539 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5542 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5543 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5544 (dump_omp_clauses): ... here.
5545 (dump_generic_node): Handle OMP_CLAUSE.
5546 * tree.c (omp_clause_num_ops): New.
5547 (omp_clause_code_name): New.
5548 (tree_code_size): Handle OMP_CLAUSE.
5549 (tree_size): Likewise.
5550 (make_node): Document handling of OMP_CLAUSE.
5551 (tree_node_structure): Handle OMP_CLAUSE.
5552 (omp_clause_check_failed): New.
5553 (omp_clause_range_check_failed): New.
5554 (omp_clause_operand_check_failed): New.
5555 (build_omp_clause): New.
5556 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5557 * tree.h (enum omp_clause_code): Declare.
5558 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5559 (OMP_CLAUSE_RANGE_CHECK): Define.
5560 (OMP_CLAUSE_ELT_CHECK): Define.
5561 (omp_clause_check_failed): Declare.
5562 (omp_clause_operand_check_failed): Declare.
5563 (omp_clause_range_check_failed): Declare.
5564 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5565 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5566 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5567 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5568 (OMP_CLAUSE_IF_EXPR): Likewise.
5569 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5570 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5571 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5572 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5573 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5574 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5575 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5576 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5577 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5578 (OMP_CLAUSE_CODE): Define.
5579 (OMP_CLAUSE_SET_CODE): Define.
5580 (OMP_CLAUSE_CODE): Define.
5581 (OMP_CLAUSE_OPERAND): Define.
5582 (struct tree_omp_clause): Declare.
5583 (union tree_node): Add field 'omp_clause'.
5584 * treestruct.def (TS_OMP_CLAUSE): Define.
5585 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5586 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5587 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5588 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5589 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5590 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5591 (OMP_CLAUSE): Define.
5592 * print-tree.c (print_node): Handle OMP_CLAUSE.
5593 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5594 * c-typeck.c: Likewise.
5595 * gimplify.c: Likewise.
5596 * c-omp.c: Likewise.
5597 * tree-nested.c: Likewise.
5598 * tree-inline.c: Likewise.
5599 * c-parser.c: Likewise.
5600 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5603 2006-01-25 Roger Sayle <roger@eyesopen.com>
5605 PR rtl-optimization/25703
5606 * combine.c (try_combine): Handle zero_extract and strict_low_part
5607 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5609 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5611 * global.c: Fix comment typos.
5613 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5616 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5617 Use output_addr_const instead of assemble_name.
5619 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5621 * Makefile.in (sched-vis.o): Update dependencies.
5622 * haifa-sched.c (sched_finish): Clear current_sched_info.
5623 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5624 (dump_flow_info): Call it.
5625 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5627 * basic-block.h (dump_bb_info): Declare.
5628 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5629 option, and apply options only for dump files whose TDF_RTL,
5630 TDF_TREE, or TDF_IPA bits match.
5631 * rtl.h: Declare new functions exported from sched-vis.c.
5632 * sched-vis.c: Enable also if scheduling is not used.
5633 (print_value): Print the mode of registers if not inside scheduling.
5634 (print_insn): Make it work outside the scheduler. Beautify the output
5636 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5638 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5640 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5641 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5642 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5643 depending on the value of CONSTANT_POOL_ADDRESS_P.
5644 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5646 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5647 rather than SYMBOL_REF_DECL.
5648 (rtx_constant_pool): Remove const_rtx_sym_htab.
5649 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5650 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5651 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5652 Remove handling of const_rtx_sym_htab.
5653 (find_pool_constant): Delete.
5654 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5655 rather than find_pool_constant.
5656 (get_pool_constant_for_function): Delete.
5657 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5659 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5660 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5661 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5662 (SYMBOL_REF_CONSTANT): New macro.
5663 (get_pool_constant_for_function): Delete.
5664 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5665 rather than SYMBOL_REF_DECL.
5666 (i386_pe_mark_dllimport): Likewise.
5667 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5668 rather than SYMBOL_REF_DECL.
5669 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5670 (machopic_indirect_call_target): Likewise.
5672 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5674 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5676 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5678 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5680 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5682 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5684 2006-01-24 David Daney <ddaney@avtrex.com>
5687 * configure.ac (enable_tls): New enable option.
5688 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5689 * configure: Regenerate.
5690 * doc/install.texi (--enable-tls): Document new option.
5691 (--disable-tls): Ditto.
5693 2006-01-24 Richard Henderson <rth@redehat.com>
5695 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5696 * alias.c (true_dependence): Respect it.
5697 (canon_true_dependence, write_dependence_p): Likewise.
5698 * builtins.c (get_builtin_sync_mem): Set it.
5700 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5702 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5705 2006-01-24 DJ Delorie <dj@redhat.com>
5707 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5708 for storing constants in single-bit bitfields.
5710 2006-01-25 Ben Elliston <bje@au.ibm.com>
5712 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5714 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5717 * tree-ssa-pre.c (phi_translate): Return NULL
5718 for AGGREGATE_TYPE's.
5720 2006-01-24 Zack Weinberg <zackw@panix.com>
5722 * genautomata.c (process_state_for_insn_equiv_partition):
5723 Use xcalloc for insn_arcs_array.
5724 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5725 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5727 2006-01-24 Richard Henderson <rth@redhat.com>
5729 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5732 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5734 PR rtl-optimization/25890
5735 PR rtl-optimization/25905
5736 * combine.c (expand_compound_operation, expand_field_assignment):
5737 Fail if the bitfield's final position is out of bounds.
5739 2006-01-24 Ian Lance Taylor <ian@airs.com>
5742 * cgraphunit.c (cgraph_output_in_order): Don't clear
5743 cgraph_asm_nodes until after asm strings have been output.
5745 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5747 * fix-header.c (read_scan_file): Add new parameter imultilib when
5748 calling register_include_chains.
5750 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5752 * omp-low.c: Update documentation.
5754 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5755 Daniel Berlin <dberlin@dberlin.org>
5759 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5760 return from the function.
5762 2006-01-22 Zack Weinberg <zackw@panix.com>
5764 * rtl.def (match_code): Add second argument.
5765 * genpreds.c (write_extract_subexp): New function.
5766 (write_match_code): Add path argument. Use write_extract_subexp.
5767 (write_predicate_expr): Pass path to write_match_code.
5768 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5769 not perform a mode test.
5770 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5771 a subexpression does not constrain the top-level code set.
5772 * read-rtl.c (read_rtx_variadic): New function.
5773 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5774 * doc/md.texi: Document new notation.
5775 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5776 (cmpsi_operand): ... here, using new notation.
5778 2006-01-22 Zack Weinberg <zackw@panix.com>
5780 * varray.c: Remove GENERATOR_FILE #ifdefs.
5782 2006-01-22 Zack Weinberg <zackw@panix.com>
5784 * genautomata.c (output_reserved_units_table): Emit nothing if
5785 description->query_units_num is zero. Remove extra blank line.
5786 (output_cpu_unit_reservation_p): Short circuit
5787 if description->query_units_num is zero.
5789 2006-01-22 Zack Weinberg <zackw@panix.com>
5791 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5792 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5793 nor any of the random handful of variables that used to be necessary
5794 when this program was linked with rtlanal.o. Prune set of forward
5795 function declarations.
5796 (struct attr_desc): Remove static_p field.
5797 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5798 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5799 (attr_string): Do not read the character one past the length of
5801 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5802 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5803 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5804 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5805 (make_automaton_attrs): New.
5806 (main): Do not call into genautomata. Call local gen_bypass
5807 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5808 Remove special case for insn_alts.
5809 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5810 varray.h (leftover from previous change). Prune set of forward
5811 function declarations. Remove state_alts fields from all
5812 structures. Remove state_alts_table from struct automaton.
5813 Make everything except main static. Do not maintain num_dfa_decls.
5814 Do not maintain state_alts fields of various structures.
5815 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5816 (add_arc): Remove state_alts argument. All callers updated.
5817 (output_reserved_units_table): Emit #ifdef here...
5818 (output_tables): ...not here. Don't generate state_alts tables.
5819 (expand_automata): Don't generate attributes.
5820 (write_automata): Don't generate state_alts functions.
5821 (main): New function.
5822 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5823 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5824 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5825 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5826 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5827 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5828 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5829 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5831 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5832 * genattrtab.h: Delete file.
5833 * Makefile.in (OBJS-common): Add insn-automata.o.
5834 (insn-automata.o): New rule.
5835 (simple_generated_c): Add insn-automata.c.
5836 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5837 (genprogmd): Add automata.
5838 (build/genattrtab): Needs no extra objects nor libraries.
5839 (build/genautomata): Needs build/vec.o and -lm.
5841 2006-01-22 Zack Weinberg <zackw@panix.com>
5843 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5844 (output_dfa_max_issue_rate, locked_states_num): Delete.
5845 (struct automaton): Add locked_states field.
5846 (output_dead_lock_vect): Save number of locked states in
5847 automaton->locked_states. If it is zero, don't print anything.
5848 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
5849 (output_internal_dead_lock_func): Only test the dead_lock_vect
5850 for automata that have locked states.
5851 (output_statistics): Always print the number of locked states for
5852 each automaton. Calculate total number of locked states here.
5853 (write_automata): Don't call output_dfa_max_issue_rate.
5854 * genattrtab.c: Define length_unit_log as a const variable.
5855 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
5856 max_insn_queue_index const.
5857 * final.c (length_unit_log): Declare const.
5858 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
5860 2006-01-22 Zack Weinberg <zackw@panix.com>
5862 * genautomata.c: Include vec.h, not varray.h.
5863 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
5864 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
5865 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
5866 VEC_* macros operating on appropriately typed vectors, or to
5867 malloced arrays when the size is known in advance. Const-ify
5868 many char* variables and function arguments. No functional changes.
5869 * Makefile.in (build/varray.o): Delete rule.
5870 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
5871 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
5873 2006-01-22 Zack Weinberg <zackw@panix.com>
5875 * gensupport.c: Define get_insn_name and record_insn_name here.
5876 (read_md_rtx): Call record_insn_name as appropriate.
5877 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5878 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5879 * genpreds.c, genrecog.c: Don't define get_insn_name nor
5881 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
5882 (BUILD_VARRAY): Delete.
5883 (genprognormal): Rename genprogmd. Fold in all programs from
5884 genprognoprint; also attrtab.
5885 (build/genattrtab): Just mention genautomata.o and varray.o.
5886 Reorganize a bit, add comments to make the categories clearer.
5888 2006-01-22 Zack Weinberg <zackw@panix.com>
5890 * genconditions.c (condition_table, add_condition): Delete.
5891 (write_conditions): Don't emit n_insn_conditions nor
5892 insn_elision_unavailable. Issue the gcc version #ifdef here,
5893 inside the table, with no #else clause ...
5894 (write_header): ...not here.
5895 (write_writer): New function.
5896 (main): Don't initialize condition_table. Use add_c_test.
5898 * gensupport.c (init_md_reader_args_cb): Handle multiple input
5899 files on the command line.
5900 (maybe_eval_c_test): Don't check insn_elision_unavailable.
5901 Return -1 if there is no entry in the table, don't abort.
5902 (add_c_test, traverse_c_tests): New functions.
5903 * gensupport.h (insn_elision_unavailable, insn_conditions)
5904 (n_insn_conditions): Delete declarations.
5905 (add_c_test, traverse_c_tests): Declare.
5906 * read-rtl.c: Include gensupport.h.
5907 (read_conditions): New function.
5908 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
5909 (read_rtx_1): If we get EOF when we were looking for an initial
5910 open paren, return 0. Call read_conditions when appropriate.
5911 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
5912 dummy-conditions.o. Eliminate references to insn-conditions.o,
5913 or change them to build/gencondmd.o, as appropriate. Remove
5914 insn-constants.h from $(simple_generated_h) and insn-conditions.c
5915 from $(simple_generated_c). For all files remaining in those
5916 two lists, add insn-conditions.md to the generator command line.
5917 Give insn-constants.h/s-constants their own rules. Add rules
5918 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
5919 (build/read-rtl.o): Depend on gensupport.h.
5920 (genprognormal): Include preds.
5921 (genprogearly): Rename genprognoprint; only difference is now that
5922 they don't link with $(BUILD_PRINT).
5923 * dummy-conditions.c: Delete.
5925 2006-01-22 Zack Weinberg <zackw@panix.com>
5927 * genextract.c: Don't include insn-config.h. Do include vec.h.
5928 Declare vectors of int, char, and locstr.
5929 (locstr): New typedef.
5930 (struct extraction): Make all array fields into bare pointers.
5931 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
5932 (insn_code_number): Delete.
5933 (accum_extract): New struct.
5934 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
5935 (gen_insn): Take insn_code_number as an argument. Use an
5936 accum_extract structure instead of loading data directly into
5937 a struct extraction, and having to know how big it might get.
5938 (walk_rtx): Operate entirely on an accum_extract structure.
5939 (print_path): Avoid unnecessary use of printf.
5940 (print_header): New function, split out of main. Distinguish
5941 more carefully between an unrecognizable insn and an insn that
5942 has the code number of a define_expand.
5943 (main): Pass insn_code_number to gen_insn. Call print_header
5944 only after parsing. Avoid unnecessary use of printf.
5945 * Makefile.in (build/vec.o): New rule.
5946 (build/genextract): Depend on build/vec.o.
5947 (build/genextract.o): Don't depend on insn-config.h.
5949 2006-01-22 Zack Weinberg <zackw@panix.com>
5951 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5952 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5953 practical. Eliminate per-generator-program link rules.
5955 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5958 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5959 with a call expr to ...
5960 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5962 2006-01-23 Richard Guenther <rguenther@suse.de>
5964 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5965 before make_edge with conditional EDGE_TRUE_VALUE.
5967 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5968 Jan Hubicka <jh@suse.cz>
5969 Richard Guenther <rguenther@suse.de>
5971 PR rtl-optimization/25654
5972 * cfgexpand.c (aggregate_contains_union_type): New function.
5973 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5974 for structure variables that contain a union type.
5976 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5978 * gengtype.c (new_structure): Return the structure.
5979 (create_option): Add an extra "next" argument.
5980 (create_field): New function.
5981 (adjust_field_rtx_def): Use create_option and create_field.
5982 Remove a now-unnecessary call to find_structure.
5983 (adjust_field_tree_def): Likewise.
5984 (note_yacc_type): Remove an unnecessary call to find_structure.
5985 * gengtype.h (new_structure): Return the structure.
5986 (create_option): Add an extra argument.
5987 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5988 (option): Adjust calls to create_option.
5990 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5992 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5994 2006-01-22 Paul Brook <paul@codesourcery.com>
5995 Peter Barada <peter@the-baradas.com>
5997 * config/m68k/m68k.md: Add Coldfire FPU support.
5998 Define FP mode macro and associated attributes.
5999 Use it for float mode patterns.
6000 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6001 (LIBCALL_VALUE): Use m68k_libcall_value.
6002 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6003 (m68k_function_value): Ditto.
6004 (emit_move_sequence): Ditto.
6005 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6006 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6007 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6008 (MULTILIB_EXCEPTIONS): Ditto.
6009 * config/m68k/m68k.opt: Add mcfv4e.
6010 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6011 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6012 (m68k_output_function_prologue): Save ColdFire FPU registers.
6013 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6014 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6015 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6016 ColdFire FPU registers.
6017 (m68k_libcall_value, m68k_function_value): New functions.
6018 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6019 (LIBCALL_VALUE): Use m68k_libcall_value.
6020 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6021 (MASK_COLDFIRE): Add MASK_CFV4E.
6022 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6023 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6024 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6025 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6026 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6027 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6028 * doc/invoke.tex: Document -mcfv4e on m68k.
6030 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6032 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6035 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6038 * c-opts.c (c_common_handle_option): Don't include
6039 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6040 * doc/invoke.texi (C++ Dialect Options): Document that
6041 -Wnon-virtual-dtor is no longer included in -Wall.
6043 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6045 * gcov.c (print_version), gcov-dump.c (print_version),
6046 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6049 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6051 * df-scan.c (problem_SCAN): Added NULL reset function.
6052 (df_scan_reset_blocks): Added code to call reset block function
6053 (df_bb_refs_delete) Fixed comment.
6054 (df_insn_refs_delete): Made tolerant of deleting non existent info
6055 for dataflow problems that need to be reset.
6056 * df-core.c (df_set_blocks): Ditto.
6057 * df.h (struct df_problem): Added reset_fun.
6058 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6059 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6060 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6061 functions to clear out all references to def-use or use-def chains.
6063 2006-01-21 Ben Elliston <bje@au.ibm.com>
6065 * varasm.c (assemble_real): Initialise data array.
6067 2006-01-20 Paul Brook <paul@codesourcery.com>
6069 Merge from csl-arm-branch.
6070 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6071 * config/arm/arm.md (movdi): Force operands[1] to a register
6072 if we have a non-register source.
6073 (*arm_movdi, *movdf_soft_insn): Require that one of the
6074 operands be a register.
6075 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6076 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6078 2006-01-20 DJ Delorie <dj@redhat.com>
6080 * varasm.c (initialize_constant_valid_p): Allow pointers
6081 initialized from integer constants of lesser precision.
6082 (output_constant): Allow non-int-sized pointer modes to be
6083 initialized from integer constants.
6085 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6088 * cppdefault.h (struct default_include): Add multilib flag.
6089 * cppdefault.c (cpp_include_defaults): Set it.
6090 * c.opt (-imultilib): New option.
6091 * c-opts.c (imultilib): New.
6092 (c_common_handle_option): Handle -imultilib.
6093 (c_common_post_options): Likewise.
6094 * c-incpath.c (add_standard_paths, register_include_chains):
6096 * c-incpath.h (register_include_chains): Add extra parameter.
6097 * gcc.c (do_spec_1): Generate -imultilib option.
6098 (The Specs Language): Update %I description.
6099 (process_command): Update copyright notice.
6100 * doc/cppopts.texi (-imultilib): Document.
6101 * doc/invoke.texi (-imultilib): Include in option summary.
6102 (%I): Update specs documentation.
6104 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6106 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6108 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6110 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6113 2006-01-20 Richard Guenther <rguenther@suse.de>
6114 Steven Bosscher <stevenb.gcc@gmail.com>
6116 PR rtl-optimization/24626
6117 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6118 EDGE_TRUE_VALUE if in RTL mode.
6121 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6122 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6124 2006-01-20 Dirk Mueller <dmueller@suse.com>
6127 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6128 instead of a special NOP marker.
6129 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6130 NOP marker handling.
6131 * c-common.h (empty_body_warning): Add forward declaration.
6132 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6133 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6135 2006-01-20 Paul Brook <paul@codesourcery.com>
6137 * Makefile.in (lang_checks): Keep going if mkdir fails.
6139 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6141 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6142 be able to clean out basic block when not necessary.
6143 (df_scan_free): Fixed to properly delete information if df is
6144 unused before calling df_finish.
6145 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6146 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6148 (df_bb_refs_delete): New function.
6149 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6150 * df-core.c (df_set_blocks): Added code to properly clean out
6151 unused blocks if they are not part of the blocks to consider.
6152 Added additional null check.
6153 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6154 be able to clean out basic block when not necessary
6155 * df.h (df_free_bb_function): Ditto.
6156 (df_bb_refs_delete): New function.
6157 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6158 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6159 basic block parameter to be able to clean out basic block when not
6161 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6162 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6163 Fixed to properly delete information if df is unused before
6166 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6168 PR rtl-optimization/25799
6169 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6170 Corrected confluence operator to remove bits from op2 before oring
6171 with op1 rather than removing bits from op1.
6172 (df_ru_transfer_function): Corrected test on wrong bitmap which
6173 caused infinite loop. Both of these problems were introduced in
6174 the dataflow rewrite.
6176 2006-01-19 DJ Delorie <dj@redhat.com>
6178 * reload1.c (find_reload_regs): Note the details of reload
6179 failures in the dump file.
6180 (spill_failure): Likewise.
6182 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6184 * loop-iv.c: Include df.h and hashtab.h.
6185 (enum iv_grd_result): New enum.
6186 (DF_REF_IV, DF_REF_IV_SET): New macros.
6187 (struct biv_entry): New.
6188 (df, bivs): New global variables.
6189 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6190 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6192 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6193 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6194 analyzed_for_bivness_p, record_biv): New functions.
6195 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6196 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6197 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6199 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6201 (iv_number_of_iterations): Use new interface to iv analysis.
6202 * loop-unroll.c: Do not include varray.h.
6203 (analyze_iv_to_split_insn): Use new interface to iv
6205 * loop-unswitch.c (may_unswitch_on): Ditto.
6206 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6208 (df_bb_modify): Realloc tables to the new index.
6209 (df_find_use): New function.
6210 * df.h (df_find_use): Declare.
6211 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6213 * cfgloop.h (struct rtx_iv): Remove analysed field.
6214 (iv_get_reaching_def): Removed.
6215 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6216 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6217 (loop-iv.o): Add df.h and hashtab.h dependency.
6218 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6220 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6223 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6225 (__floatundisf, __floatundidf): Likewise.
6226 * libgcc2.h (IS_IBM_EXTENDED): Define.
6228 2006-01-19 DJ Delorie <dj@redhat.com>
6230 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6232 2006-01-19 Paul Brook <paul@codesourcery.com>
6234 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6235 as nothrow when unwinding tables are disabled.
6237 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6240 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6241 of bit-field" when in system header.
6243 2006-01-19 DJ Delorie <dj@redhat.com>
6245 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6246 the 16 bit shift limit of the m16c.
6248 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6251 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6252 * config/i386/i386.c (output_set_got): Output the label if we have one
6253 for the TARGET_DEEP_BRANCH_PREDICTION case.
6255 2006-01-19 Jan Hubicka <jh@suse.cz>
6256 H.J. Lu <hongjiu.lu@intel.com>
6257 Evandro Menezes <evandro.menezes@amd.com>
6259 * invoke.texi (generic): Document
6261 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6262 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6263 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6264 (x86_use_incdec, x86_pad_returns): New variables
6265 (TARGET_CPU_DEFAULT_generic): New constant
6266 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6267 (enum processor_type): Add generic32 and generic64.
6268 * i386.md (cpu attribute): Add generic32/generic64
6269 (movhi splitter): Behave sanely when both partial_reg_dependency and
6270 partial_reg_stall are set.
6271 (K8 splitters): Enable for generic as well.
6272 * predicates.md (incdec_operand): Use TARGET_INCDEC
6273 (aligned_operand): Avoid memory mismatch stalls.
6274 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6275 * ppro.md: Enable for generic32
6276 * i386.c (generic64_cost, generic32_cost): New.
6277 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6278 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6279 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6280 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6281 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6282 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6283 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6284 x86_accumulate_outgoing_args, x86_prologue_using_move,
6285 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6286 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6288 (x86_use_incdec, x86_pad_returns): New.
6289 (override_options): Add generic32 and generic64, translate "generic"
6290 to generic32/generic64 and "i686" to "generic32", refuse
6291 "generic32"/"generic64" as arch target.
6292 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6293 (ix86_reorg): Honor PAD_RETURNS.
6295 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6297 * tree-pretty-print.c (dump_generic_node): Handle
6298 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6299 * cgraph.c (cgraph_expand_queue): Rename from
6300 cgraph_analyze_queue. Update all users.
6301 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6302 cgraph_expand_queue.
6303 (cgraph_expand_all_functions): Likewise.
6304 (cgraph_finalize_pending_functions): Remove. Update callers.
6306 * tree.h (OMP_DIRECTIVE_P): Define.
6307 (OMP_PARALLEL_FN): Define.
6308 (OMP_PARALLEL_DATA_ARG): Define.
6309 (OMP_SECTIONS_SECTIONS): Define.
6310 * tree-pass.h (pass_expand_omp): Declare.
6311 * omp-low.c (struct omp_region): Declare.
6312 (struct omp_context): Remove fields 'parallel_type',
6313 'parallel_start_ix' and 'parallel_start_additional_args'.
6315 (struct omp_for_data): Rename from struct expand_omp_for_data.
6316 (omp_regions): New static variable.
6317 (root_omp_region): New static variable.
6318 (find_omp_clause): Make static.
6319 (is_in_combined_parallel_ctx): Remove.
6320 (is_combined_parallel): New.
6321 (extract_omp_for_data): Move earlier in the file.
6322 (workshare_safe_to_combine_p): New.
6323 (get_ws_args_for): New.
6324 (determine_parallel_type): Move earlier in the file.
6325 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6327 (omp_copy_decl): Likewise.
6328 (create_omp_child_function): Likewise.
6329 (lookup_omp_region): New.
6330 (dump_omp_region): New.
6331 (debug_omp_region): New.
6332 (debug_all_omp_regions): New.
6333 (new_omp_region): New.
6334 (scan_omp_parallel): If parallel_nesting_level > 1, the
6335 directive is nested within another parallel directive.
6336 Set OMP_PARALLEL_FN.
6337 (scan_omp_for): Do not try to handle combined parallel+for
6339 Remove FIXME comment.
6340 (scan_omp_nested): Remove.
6341 (scan_omp_1): Do not call scan_omp_nested when
6342 parallel_nesting_level is > 1.
6343 Do not change the DECL_CONTEXT of local variables found.
6344 (lookup_decl_in_outer_ctx): New.
6345 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6346 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6347 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6348 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6349 If CTX is nested, lookup VAR in the outer context when
6350 building copy assignment.
6351 (lower_send_clauses): Rename from expand_send_clauses.
6352 If CTX is nested, lookup VAR in the outer context when
6353 building copy assignments.
6354 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6355 If CTX is nested, lookup VAR in the outer context when
6356 building copy assignments.
6357 (expand_parallel_call): Rename from build_parallel_call.
6358 Handle combined parallel+workshare cases.
6359 Re-implement to emit code into the CFG.
6361 (expand_omp_parallel): Re-implement to emit code into the CFG.
6362 Call move_sese_region_to_fn to outline the sub-graph
6363 containing the parallel region.
6364 (expand_omp_for_1): Remove.
6365 (expand_omp_for_generic): Re-implement to emit code into the
6367 (expand_omp_for_static_nochunk): Likewise.
6368 (expand_omp_for_static_chunk): Likewise.
6369 (expand_omp_for): Likewise.
6370 (expand_omp_sections): Likewise.
6371 (remove_exit_barriers): New.
6372 (expand_omp_synch): New.
6374 (build_omp_regions_1): New.
6375 (build_omp_regions): New.
6376 (execute_expand_omp): New.
6377 (gate_expand_omp): New.
6378 (pass_expand_omp): Define.
6379 (lower_omp_sections): Rename from expand_omp_sections.
6380 Set OMP_SECTIONS_SECTIONS.
6381 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6382 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6383 (lower_omp_single): Rename from expand_omp_simple.
6384 (lower_omp_master): Rename from expand_omp_master.
6385 (lower_omp_ordered): Rename from expand_omp_ordered.
6386 (lower_omp_critical): Rename from expand_omp_critical.
6387 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6388 (lower_omp_for): Re-implement.
6389 (lower_omp_parallel): Re-implement.
6390 (lower_regimplify): Rename from expand_regimplify.
6391 (lower_omp_1): Rename from expand_omp_1.
6392 If there are syntax errors in the program, replace every
6393 OpenMP directive with NOP.
6394 Call lower_omp_* instead of expand_omp_*.
6395 (lower_omp): Rename from expand_omp.
6397 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6398 * tree-gimple.h (enum omp_parallel_type): Remove.
6399 (gimple_boolify): Declare extern.
6400 (find_omp_clause, determine_parallel_type): Remove.
6402 * gimple-low.c (lower_omp_directive): New.
6403 (lower_stmt): Call it.
6404 (record_vars_into): Move from ...
6405 (record_vars): ... here.
6406 Call record_vars_into with current_function_decl.
6408 * gimplify.c (struct gimplify_ctx): Remove fields
6409 combined_pre_p and combined_ctxp. Update users.
6410 (get_formal_tmp_var): Add documentation.
6411 (gimple_boolify): Make extern.
6412 (gimplify_expr_in_ctx): Remove. Update callers.
6413 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6414 will always be a BIND_EXPR.
6415 (gimplify_expr): Handle OMP_RETURN_EXPR.
6416 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6417 (OMP_PARALLEL): Add 3 operands.
6418 (OMP_SECTIONS): Add 1 operand.
6419 (OMP_RETURN_EXPR): Define.
6421 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6422 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6423 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6424 creating a circular free list.
6425 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6427 * tree-flow.h (move_sese_region_to_fn): Declare.
6428 (record_vars_into): Declare.
6429 * tree-cfg.c (make_omp_sections_edges): New.
6430 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6431 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6432 OMP_SECTIONS and OMP_SECTION.
6433 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6434 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6435 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6436 (gather_blocks_in_sese_region): New.
6437 (struct move_stmt_d): Declare.
6439 (move_block_to_fn): New.
6440 (move_sese_region_to_fn): New.
6442 * passes.c (init_optimization_passes): Schedule
6443 pass_expand_omp after pass_init_datastructures.
6445 * tree-ssa-operands.c (get_expr_operands): Handle
6446 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6447 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6449 2006-01-19 Jeff Law <law@redhat.com>
6451 * tree-vrp.c (extract_range_from_assert): Refine the result range
6452 if the variable referenced by the ASSERT_EXPR has a range and
6453 either the tentative result range or the previous range is a
6456 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6458 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6460 2006-01-19 Jan Hubicka <jh@suse.cz>
6462 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6464 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6466 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6467 (expand_compound_operation, expand_field_assignment): Fail if the
6468 bit lengths of an extract operation are out of range.
6469 (make_extraction): Compute wanted_inner_mode based on the position
6470 and length of the extraction. Make it extraction_mode for non-constant
6471 positions, and do not modify offset in that case. When generating a
6472 new MEM, use a mode that can hold the extraction while keeping correct
6473 alignment. Remove code that supported MEMs wrapped by USEs.
6474 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6476 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6478 * config/s390/s390.md ("Y", "y"): New mode attribute.
6479 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6480 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6481 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6482 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6483 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6484 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6485 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6486 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6487 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6488 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6489 "addsi3", "subsi3"): Insn patterns removed.
6490 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6491 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6492 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6493 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6494 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6495 "*sub<mode>3_cconly2"): New insn patterns.
6496 ("addsi3", "subsi3"): New expanders.
6498 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6500 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6501 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6502 existing STMT_VINFO_VECTYPE if available.
6503 (vect_mark_relevant): Add special handling for stmts that are
6504 marked as STMT_VINFO_IN_PATTERN_P.
6505 (vect_analyze_loop): Call vect_pattern_recog.
6506 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6507 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6509 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6510 (vect_recog_func_ptr): New function-pointer type.
6511 * tree-vect-patterns.c: New file.
6512 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6513 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6514 (vect_pattern_recog_1): New functions.
6515 (vect_pattern_recog_funcs): New array of function pointers.
6517 * tree-vectorizer.h (ternary_op): New enum value.
6518 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6519 declaration. Revised documentation. Removed redundant dump prints.
6520 Removed redundant argument. Added support for reduction patterns.
6521 (vectorizable_reduction): Added support for reduction patterns.
6522 (vect_transform_stmt): Added support for patterns.
6524 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6525 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6526 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6527 (expand_widen_pattern_expr): New function.
6528 (init_optabs): Initialize new optabs udot_prod_optab,
6530 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6531 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6532 (expand_widen_pattern_expr): New function declaration.
6533 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6535 * tree-inline.c (estimate_num_insns_1): Added cases for new
6536 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6537 * tree-pretty-print.c (dump_generic_node): Likewise.
6538 (op_prio): Likewise.
6539 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6540 * tree-ssa-operands.c (get_expr_operands): Added case for
6542 * tree-vect-patterns.c (widened_name_p): New function.
6543 (vect_recog_dot_prod_pattern): Added function implementation.
6544 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6545 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6546 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6547 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6549 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6550 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6551 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6552 (init_optabs): Initialize new optabs widen_ssum_optab,
6554 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6555 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6556 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6557 use instead of type of def.
6558 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6559 function implementation.
6560 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6561 widen_ssumv8hi): New.
6563 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6566 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6569 * c-decl.c (add_flexible_array_elts_to_size): New function.
6570 (finish_decl): Use it.
6572 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6574 * diagnostic.h: Include options.h.
6575 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6576 dependancies for diagnostic.h.
6577 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6579 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6581 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6582 (ssa_ro_call_cache_valid): Ditto.
6583 * tree-ssa-alias.c (sort_tags_by_id): New function.
6584 (init_transitive_clobber_worklist): Ditto.
6585 (add_to_worklist): Ditto.
6586 (mark_aliases_call_clobbered): Ditto.
6587 (compute_tag_properties): Ditto.
6588 (set_initial_properties): Ditto.
6589 (compute_call_clobbered): Ditto.
6590 (compute_may_aliases): Call compute_call_clobbered and grouping.
6591 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6592 (compute_flow_insensitive_aliasing): Grouping now happens in our
6594 (setup_pointers_and_addressables): Remove clobbering related code.
6595 (add_may_alias): Ditto.
6596 (replace_may_alias): Ditto.
6597 (get_nmt_for): Ditto.
6598 (create_global_var):
6599 (is_escape_site): Return an escape_type enumeration.
6600 * tree-flow-inline.h (is_call_clobbered): Global var does not
6601 imply call clobbered.
6602 (mark_call_clobbered): Take a reason for marking this. Remove
6603 marking of globalness, and cache invalidation.
6604 (clear_call_clobbered): Remove cache invalidation code.
6605 * tree-dfa.c (dump_variable): If details is on, dump the reason
6607 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6609 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6610 (struct var_ann_d): Ditto.
6611 (enum escape_type): New.
6612 (mark_call_clobbered): Adjust prototype.
6613 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6614 are never call clobbered.
6615 Record reasons for escaping.
6616 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6617 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6618 (ssa_ro_call_cache_valid): Ditto.
6619 (clobbered_v_may_defs): Ditto.
6620 (clobbered_vuses): Ditto.
6621 (ro_call_vuses): Ditto.
6622 (clobber_stats): New.
6623 (init_ssa_operands): Zero out clobber stats.
6624 (fini_ssa_operands): Print out clobber stats.
6625 (get_call_expr_operands): Pass callee fndecl to
6627 (add_call_clobber_ops): Remove use of cache.
6628 Add use of PURE_CONST information.
6629 (add_call_read_ops): Remove use of cache.
6630 Add use of static not_read information.
6632 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6634 Introduce TLS descriptors for i386 and x86_64.
6635 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6636 (TARGET_ANY_GNU_TLS): New macro.
6637 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6638 (struct machine_function): Add tls_descriptor_call_expanded_p.
6639 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6640 (ix86_current_function_calls_tls_descriptor): Likewise.
6641 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6642 (override_options): Introduce gnu2 tls dialect.
6643 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6645 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6647 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6648 (ix86_init_machine_status): Initialize new field.
6649 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6650 (ix86_tls_module_base): New.
6651 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6652 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6653 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6654 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6655 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6656 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6657 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6658 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6659 * config/i386/predicates.md (tls_modbase_operand): New.
6660 (tp_or_register_operand): New.
6662 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6664 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6665 (look_for_address_of): Ditto.
6666 (ipa_init): Walk the function decls.
6667 (static_execute): Don't set readonly on FUNCTION_DECL's.
6669 2006-01-18 Roger Sayle <roger@eyesopen.com>
6671 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6672 for shifts where the source and destination registers are different.
6674 2006-01-18 Paul Brook <paul@codesourcery.com>
6676 Merge from csl-arm-branch.
6677 2005-03-14 Julian Brown <julian@codesourcery.com>
6678 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6679 (aeabi_llsl): Likewise.
6680 (ashrdi3): Likewise.
6681 (aeabi_lasr): Likewise.
6682 (lshrdi3): Likewise.
6683 (aeabi_llsr): Likewise.
6684 2005-03-10 Julian Brown <julian@codesourcery.com>
6685 * config.gcc: Disable shared libgcc for SymbianOS.
6686 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6688 2006-01-18 DJ Delorie <dj@redhat.com>
6690 * c-pragma.c (handle_pragma_diagnostic): New.
6691 (init_pragma): Register it.
6692 * doc/extend.texi: Document it.
6694 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6695 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6696 (diagnostic_context): Add classify_diagnostic[].
6697 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6698 as errors if they're overridden to DK_WARNING.
6699 (diagnostic_initialize): Initialize classify_diagnostic[].
6700 (diagnostic_set_kind_override): New.
6701 (diagnostic_report_diagnostic): Check for kind changes.
6702 * opts.c (common_handle_option): Take lang_mask. Update callers.
6704 * common.opt (Werror=): New.
6705 * doc/invoke.texi: Document -Werror=*
6707 2006-01-18 Jeff Law <law@redhat.com>
6709 * tree-vrp.c (test_for_singularity): Correct test for new
6710 min limit. Use operand_equal_p rather than pointer equality
6711 for testing if new min/max values are equal.
6713 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6714 using range information until after propagation and folding.
6716 2006-01-18 Richard Henderson <rth@redhat.com>
6717 Aldy Hernandez <aldyh@redhat.com>
6718 Jakub Jelinek <jakub@redhat.com>
6719 Diego Novillo <dnovillo@redhat.com>
6721 * omp-low.c: New file.
6722 * c-omp.c: New file.
6724 2006-01-18 Richard Henderson <rth@redhat.com>
6725 Jakub Jelinek <jakub@redhat.com>
6726 Diego Novillo <dnovillo@redhat.com>
6728 * doc/invoke.texi: Document -fopenmp.
6729 * tree-dump.h (debug_function): Declare.
6730 * hooks.c (hook_bool_tree_bool_false): New function.
6731 (hook_tree_tree_null): Remove.
6732 (hook_tree_tree_tree_null): New.
6733 * hooks.h: Update to match.
6734 * tree-pretty-print.c (debug_tree_chain): New.
6735 (print_generic_expr): Handle TDF_CHAIN.
6736 (dump_generic_node): Handle BLOCK.
6737 Do not abort with incomplete SWITCH_EXPRs.
6738 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6739 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6740 print space after directive name.
6741 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6742 Handle OMP_MASTER and OMP_ORDERED.
6743 Handle printing of OMP_BODY just in one place, goto
6744 dump_omp_body in the rest of OMP_* nodes that have
6746 Don't handle clause nodes here. Update omp statements to
6747 use dump_omp_clauses.
6748 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6749 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6750 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6751 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6752 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6753 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6754 Adjust output for GOMP_PARALLEL.
6755 (dump_omp_clauses): New.
6756 (print_declaration): Dump DECL_VALUE_EXPR.
6757 (op_symbol_1): Split out of op_symbol.
6758 (dumping_stmts): Remove. Update all users.
6759 * cgraph.c (cgraph_analyze_queue): New.
6760 (cgraph_add_new_function): New.
6761 * cgraph.h (cgraph_analyze_queue): Declare.
6762 (cgraph_add_new_function): Declare.
6763 (cgraph_lower_function): Remove.
6764 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6765 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6766 and TYPE_P nodes in its default clause.
6767 (empty_body_p): New.
6768 (tree_range_check_failed): New.
6770 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6771 OMP_CLAUSE_REDUCTION_MERGE,
6772 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6773 OMP_CLAUSE_PRIVATE_DEBUG,
6774 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6775 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6776 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6777 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6778 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6779 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6780 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6781 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6782 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6783 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6784 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6785 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6786 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6787 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6788 (TREE_RANGE_CHECK): New.
6789 (empty_body_p): Declare.
6790 (enum omp_clause_default_kind): New.
6791 (build_string_literal): Declare.
6792 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6793 (build5_stat, build5): Declare.
6794 * tree-pass.h (TDF_CHAIN): Define.
6795 * tree-pass.h (PROP_gimple_lomp): Define.
6796 (pass_lower_omp): Declare.
6797 * diagnostic.h (debug_tree_chain): Declare.
6798 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6800 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6801 * builtins.c (build_string_literal): Make extern.
6802 * gcc.c (include_spec_function): New.
6803 (static_spec_functions): Add it.
6804 (main): Move load of libgomp.spec ...
6805 (LINK_COMMAND_SPEC): ... here.
6806 (link_gomp_spec): New.
6807 (static_specs): Include it.
6808 (LINK_COMMAND_SPEC): Add link_gomp.
6809 (GOMP_SELF_SPECS): New.
6810 (driver_self_specs): Include it.
6811 (switch_matches): Don't mark inline.
6812 (main): Load libgomp.spec.
6813 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6814 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6815 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6816 * tree-gimple.h (enum omp_parallel): Declare.
6817 (determine_parallel_type): Declare.
6818 (omp_firstprivatize_variable): Declare.
6819 (omp_reduction_init): Declare.
6820 (diagnose_omp_structured_block_errors): Declare.
6821 (struct walk_stmt_info): Add want_return_expr.
6822 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6823 (find_omp_clause): Declare.
6824 (insert_field_into_struct): Declare.
6825 (struct walk_stmt_info): Move from tree-nested.c
6826 (walk_stmts): Declare.
6827 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6829 * cgraphunit.c (cgraph_lower_function): Make static.
6830 (cgraph_finalize_pending_functions): New.
6831 (cgraph_finalize_function): Call it.
6832 (cgraph_finalize_compilation_unit): Likewise.
6833 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6834 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6835 (BT_FN_UINT_UINT): New.
6836 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6837 DEF_FUNCTION_TYPE_VAR_4): Document.
6838 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6839 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6840 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6841 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6842 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6843 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6844 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6845 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6846 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6847 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6848 into separate files.
6849 (DEF_GOMP_BUILTIN): New.
6850 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
6851 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
6852 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
6853 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
6854 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
6855 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
6856 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
6857 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
6858 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
6859 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
6860 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
6861 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
6862 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
6863 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
6864 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
6865 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
6866 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
6867 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
6868 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
6869 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
6870 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
6871 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
6872 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
6873 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
6874 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
6875 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
6876 * sync-builtins.def: New file, moved from builtins.def.
6877 * omp-builtins.def: New file, moved from builtins.def.
6878 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
6879 * gimple-low.c (lower_function_body): Clear data.
6880 (lower_stmt): Do not handle COMPOUND_EXPR.
6881 Remove call to print_node_brief.
6882 * c-tree.h (c_finish_omp_clauses): New prototype.
6883 (C_DECL_THREADPRIVATE_P): Define.
6884 (lookup_name_no_remap, c_omp_remap_private): Remove
6885 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
6886 (check_for_loop_decls): Update decl.
6887 (lookup_name_no_remap, c_omp_remap_private): Declare.
6888 (build_indirect_ref, build_modify_expr, pushdecl,
6889 pushdecl_top_level): Move to c-common.h.
6890 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
6891 before the switch, but just in the 2 places that need it.
6892 * c-decl.c (diagnose_mismatched_decls): Do not check for
6893 mismatched thread-local attributes when OLDDECL is marked
6894 threadprivate and NEWDECL has no thread-local attributes.
6895 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
6896 (c_gimple_diagnostics_recursively): Rename from
6897 c_warn_unused_result_recursively. Invoke
6898 diagnose_omp_structured_block_errors.
6899 (check_for_loop_decls): Return a singular decl found.
6900 * langhooks.c (lhd_omp_predetermined_sharing): Return
6901 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
6902 (lhd_omp_firstprivatize_type_sizes): New.
6903 (lhd_omp_assignment): New.
6904 (lhd_omp_predetermined_sharing): New.
6905 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
6906 (struct lang_hooks_for_types): Add
6907 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
6908 omp_predetermined_sharing, omp_disregard_value_expr,
6909 omp_private_debug_clause, omp_clause_default_ctor,
6910 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
6911 (c_finish_omp_clauses): New.
6912 (c_finish_bc_stmt): Diagnose break within omp for.
6913 (c_begin_omp_parallel, c_finish_omp_parallel): New.
6914 (build_unary_op): Return error_mark after reporting
6916 (build_modify_expr): Likewise.
6917 * gimplify.c: Include optabs.h and pointer-set.h.
6918 (enum gimplify_omp_var_data): Declare.
6919 (struct gimplify_omp_ctx): Declare.
6920 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
6922 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
6923 (push_gimplify_context, pop_gimplify_context): Allow nesting.
6924 (splay_tree_compare_decl_uid): New.
6925 (new_omp_context): New.
6926 (delete_omp_context): New.
6927 (gimple_add_tmp_var): Call omp_add_variable.
6928 (gimplify_bind_expr): Likewise.
6929 (gimplify_var_or_parm_decl): If omp_notice_variable returned
6930 true, disregard DECL_VALUE_EXPR on the decl if any.
6931 (gimplify_expr_in_ctx): New.
6932 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
6933 omp_add_variable, omp_notice_variable, omp_is_private
6934 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
6935 gimplify_adjust_omp_clauses, gimplify_omp_parallel
6936 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
6937 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
6938 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
6939 gimplify_omp_atomic): New.
6940 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6941 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6942 OMP_CRITICAL and OMP_ATOMIC.
6943 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6944 * c-pragma.h (enum pragma_kind): Add
6945 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6946 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6947 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6948 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6949 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6950 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6951 PRAGMA_OMP_THREADPRIVATE.
6952 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6953 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6954 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6955 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6956 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6957 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6958 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6959 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6960 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6961 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6962 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6963 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6964 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6966 (struct nesting_info): Add field_map,
6967 suppress_expansion, debug_var_chain.
6968 (create_nesting_tree): Initialize them.
6969 (lookup_field_for_decl): Use field_map.
6970 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6971 (convert_local_omp_clauses): New.
6972 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6973 (walk_body): Split out of walk_function.
6974 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6975 (convert_nonlocal_reference): Handle omp statements.
6976 (convert_local_reference): Likewise.
6977 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6978 (unnest_nesting_tree): New.
6979 (lower_nested_functions): Call it.
6980 (insert_field_into_struct): Make extern.
6981 (struct walk_stmt_info): Move to tree-gimple.h.
6982 (walk_stmts): Make extern.
6983 * omp-builtins.def: New file.
6984 * tree-iterator.c (expr_only): Clarify comment.
6985 * c-common.h (pushdecl_top_level, pushdecl,
6986 build_modify_expr, build_indirect_ref,
6987 c_finish_omp_master, c_finish_omp_critical,
6988 c_finish_omp_ordered, c_finish_omp_barrier,
6989 c_finish_omp_atomic, c_finish_omp_flush,
6990 c_finish_omp_for, c_split_parallel_clauses,
6991 omp_clause_default_kind, c_omp_sharing_predetermined,
6992 c_omp_remap_decl): Declare.
6993 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6994 (OBJS-common): Add omp-low.o.
6995 (c-omp.o, omp-low.o): Add.
6996 (gimplify.o): Add dependency on $(OPTABS_H).
6997 (GTFILES): Add omp-low.c.
6998 (gt-stringpool.h): Add.
6999 * tree-cfg.c (set_bb_for_stmt): Do not update the
7000 block-to-labels map if we are currently expanding to RTL.
7001 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7003 Handle IDENTIFIER_NODE.
7004 (tree_verify_flow_info): Do not ICE when emitting error
7005 messages about invalid labels.
7006 (dump_function_to_file): Reset CFUN before emitting the body
7008 (debug_function): New.
7009 * passes.c (init_optimization_passes): Schedule
7011 * langhooks-def.h (lhd_omp_predetermined_sharing,
7012 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7014 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7015 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7016 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7017 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7018 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7019 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7020 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7021 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7022 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7023 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7024 (LANG_HOOK_DECLS): Use them.
7026 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7027 Richard Henderson <rth@redhat.com>
7028 Jakub Jelinek <jakub@redhat.com>
7029 Diego Novillo <dnovillo@redhat.com>
7031 * c-parser.c (pragma_omp_clause): Define.
7032 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7033 (c_parser_compound_statement): Likewise.
7034 (c_parser_statement): Likewise.
7035 (c_parser_pragma): Handle omp pragmas.
7036 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7037 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7038 (c_parser_omp_clause_name, check_no_duplicate_clause,
7039 c_parser_omp_variable_list,
7040 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7041 c_parser_omp_clause_copyprivate,
7042 c_parser_omp_clause_default,
7043 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7044 c_parser_omp_clause_lastprivate,
7045 c_parser_omp_clause_nowait,
7046 c_parser_omp_clause_num_threads,
7047 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7048 c_parser_omp_clause_reduction,
7049 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7050 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7051 c_parser_omp_atomic, c_parser_omp_barrier,
7052 c_parser_omp_critical, c_parser_omp_flush,
7053 c_parser_omp_for_loop, c_parser_omp_for,
7054 c_parser_omp_master, c_parser_omp_ordered,
7055 c_parser_omp_sections_scope, c_parser_omp_sections,
7056 c_parser_omp_parallel, c_parser_omp_single,
7057 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7058 * c-pragma.c (init_pragma): Do omp pragma registration here.
7059 * c.opt (fopenmp): New flag.
7061 2006-01-18 Eric Christopher <echristo@apple.com>
7063 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7064 * config/darwin.h (GOMP_SELF_SPECS): Define.
7066 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7068 * rtl.h: Remove the prototype for reg_alloc.
7070 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7073 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7074 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7075 sjlj and dwarf2 exception handling.
7076 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7077 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7078 * pa/pa.c (function_value): Treat complex and vector types as
7080 (function_arg): Likewise. Only pass scalar floats in the floating
7081 point argument registers.
7082 * pa/t-slibgcc-dwarf-ver: New file.
7083 * pa/t-slibgcc-sjlj-ver: New file.
7084 * pa/t-slibgcc-elf-ver: Delete file.
7086 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7088 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7089 unlikely_test_section_p test.
7091 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7093 * mode-switching.c (optimize_mode_switching): Make it static.
7094 * basic-block.h: Remove the prototype for
7095 optimize_mode_switching.
7097 * modulo-sched.c (sms_schedule): Make it static.
7098 * rtl.h: Remove the prototype for sms_schedule.
7100 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7101 * rtl.h: Remove the prototype for gcse_after_reload_main.
7103 * reg-stack.c (reg_to_stack): Make it static.
7104 * rtl.h: Remove the prototype for reg_to_stack.
7106 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7108 * rtl.h: Remove the prototypes for regrename_optimize and
7109 copyprop_hardreg_forward.
7111 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7113 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7114 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7115 Test against the appropriate null constant for the mode.
7116 If 'fixup_overlap' is true, swap the operands if they overlap.
7117 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7118 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7119 alpha_split_tmode_pair and adjust for above change.
7120 * config/alpha/alpha.md (movtf_internal): Adjust call to
7121 alpha_split_tfmode_pair and rely on it to swap the operands.
7122 (movti_internal): New insn and post-reload splitter.
7123 (movti): New expander.
7125 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7127 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7130 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7132 * rtlanal.c (global_reg_mentioned_p_1,
7133 global_reg_mentioned_p): Remove.
7134 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7136 * flow.c (initialize_uninitialized_subregs): Make it static.
7137 * rtl.h: Remove the prototype for
7138 initialize_uninitialized_subregs.
7140 * function.c (instantiate_virtual_regs): Make it static.
7141 * function.h: Remove the prototype for
7142 instantiate_virtual_regs.
7144 * regmove.c (regmove_optimize, combine_stack_adjustments):
7146 * rtl.h: Remove the prototypes for regmove_optimize and
7147 combine_stack_adjustments.
7149 2006-01-17 Roger Sayle <roger@eyesopen.com>
7151 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7152 (size_cost): Encode costs in bytes so that a reg-reg addition is
7153 equivalent to COSTS_N_INSNS(1).
7154 (override_options): Use the size_cost.branch_cost as the default
7155 ix86_branch_cost when optimizing for size.
7157 2006-01-18 Ben Elliston <bje@au.ibm.com>
7159 * Makefile.in (D32PBIT_FUNCS): New.
7160 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7161 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7162 D64PBIT_FUNCS and D128PBIT_FUNCS.
7163 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7164 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7166 (decnumber_dep): Define.
7167 * doc/libgcc.texi (Decimal float library routines): New node.
7168 * config/dfp-bit.h, config/dfp-bit.c: New files.
7170 2006-01-18 Ben Elliston <bje@au.ibm.com>
7172 * expr.c (emit_move_change_mode): Always adjust addresses, not
7173 just during reload. Copy replacements only during reload.
7174 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7175 emit_move_via_integer.
7177 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7179 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7180 instead of $(srcdir) and ${srcdir}.
7182 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7186 * arm.h (struct machine_function): Add pic_reg.
7187 * arm.c (arm_pic_register): Make unsigned.
7188 (arm_override_options): Only set arm_pic_register if
7189 TARGET_SINGLE_PIC_BASE.
7190 (use_return_insn): Only test for a pic register if it is fixed.
7191 (arm_compute_save_reg0_reg12_mask): Likewise.
7192 (thumb_compute_save_reg_mask): Likewise.
7193 (legitimate_pic_operand): Factor out some known invariants.
7194 (legitimize_pic_address): If we don't have a fixed pic register,
7195 then set up a pseudo in the function entry sequence. Handle the
7196 pic base being in a pseudo.
7197 (arm_load_pic_register): Handle the pic register being in a pseudo.
7198 (arm_expand_prologue): Only set up the pic register if it is fixed.
7199 (thumb_expand_prologue): Likewise.
7200 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7201 (pic_load_addr_based_insn): Likewise.
7202 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7205 2006-01-18 Ben Elliston <bje@au.ibm.com>
7207 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7208 decimal float modes for all floating point registers.
7210 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7211 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7213 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7216 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7217 even when the pointer is not NULL.
7219 2006-01-16 Ian Lance Taylor <ian@airs.com>
7221 * common.opt (ftoplevel-reorder): New option.
7222 * cgraph.c (cgraph_asm_nodes): New global variable.
7223 (cgraph_asm_last_node): New static variable.
7224 (cgraph_order): New global variable.
7225 (cgraph_create_node): Set new order field.
7226 (cgraph_varpool_node): Likewise.
7227 (decide_is_variable_needed): Return true if not
7228 flag_toplevel_reorder.
7229 (cgraph_add_asm_node): New function.
7230 * cgraph.h (struct cgraph_node): Add order field.
7231 (struct cgraph_varpool_node): Add order field.
7232 (struct cgraph_asm_node): Define.
7233 (cgraph_asm_nodes, cgraph_order): Declare.
7234 (cgraph_add_asm_node): Declare.
7235 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7237 (cgraph_varpool_assemble_pending_decls): Call it.
7238 (cgraph_output_pending_asms): New static function.
7239 (cgraph_finalize_compilation_unit): Call it.
7240 (struct cgraph_order_sort): Define.
7241 (cgraph_output_in_order): New static function.
7242 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7243 !flag_toplevel_reorder case.
7244 * c-parser.c: Include "cgraph.h".
7245 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7247 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7248 than -fno-unit-at-a-time.
7249 * doc/invoke.texi (Option Summary): Mention
7250 -fno-toplevel-reorder.
7251 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7252 -funit-at-a-time documentation.
7254 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7255 Kazu Hirata <kazu@codesourcery.com>
7257 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7259 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7261 * Makefile.in (FUNCTION_H): New. Use it instead of
7262 function.h throughout the file.
7263 * function.h: Include tree.h.
7265 2006-01-17 Ben Elliston <bje@au.ibm.com>
7267 * recog.c: Separate some functions with whitespace.
7269 2006-01-16 Richard Henderson <rth@redhat.com>
7271 Merge from gomp branch:
7272 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7273 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7274 and rename from struct inline_data. Rename callee* to dst*;
7275 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7276 transform_new_cfg, transform_return_to_modify, and
7277 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7279 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7280 (copy_decl_for_dup): Remove.
7281 * tree-inline.c (struct inline_data): Move to header.
7282 (insert_decl_map): Export.
7283 (remap_decl): Update for member name changes. Use copy_decl hook.
7284 Allow for replacement to be a non-decl. Remove dead code.
7285 (remap_type_1): Check for existing mapping.
7286 (remap_type): Export.
7287 (remap_decls): Update for member name changes.
7288 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7289 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7290 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7291 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7292 (tree_function_versioning, build_duplicate_type): Likewise.
7293 (copy_body_r): Likewise. Export.
7294 (copy_decl_for_dup): Split into ...
7295 (copy_decl_for_dup_finish, copy_decl_to_var,
7296 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7297 (replace_ref_tree, inlining_p): Remove.
7299 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7301 * ifcvt.c (if_convert): Make it static.
7302 * rtl.h: Remove the prototype for if_convert.
7304 * local-alloc.c (local_alloc): Make it static.
7305 * rtl.h: Remove the prototype for local_alloc.
7307 * loop.c (loop_optimize): Make it static.
7308 * cfgloop.h: Remove the prototype for loop_optimize.
7311 2006-01-16 DJ Delorie <dj@redhat.com>
7313 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7316 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7318 * pa.md: Disparage copies between general and floating-point registers
7319 in 32-bit move patterns.
7321 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7324 * Makefile.in (check-%): Depend on site.exp instead of
7325 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7328 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7330 * global.c (global_alloc): Make it static.
7331 * rtl.h: Remove the prototype for global_alloc.
7333 2006-01-16 Richard Guenther <rguenther@suse.de>
7335 * tree-ssa-alias.c (struct used_part): Add write_only field.
7336 (get_or_create_used_part_for): Initialize it to true.
7337 (create_overlap_variables_for): Don't create structure variables
7338 for structures that only are written to.
7339 (find_used_portions): Handle MODIFY_EXPR to track whether a
7340 structure is only written to.
7342 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7344 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7346 * basic-block.h: Remove the prototype for
7347 partition_hot_cold_basic_blocks.
7349 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7351 * cppspec.c (lang_specific_spec_functions): Remove.
7352 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7353 * gcc.h (lang_specific_spec_functions): Remove.
7354 * gccspec.c (lang_specific_spec_functions): Remove.
7356 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7358 * combine.c (record_value_for_reg): Invalidate registers
7360 (record_dead_and_set_regs_1): Likewise, by passing them to
7361 record_value_for_reg.
7362 (record_dead_and_set_regs): Invalidate stores made by a
7363 call. We do not combine across a call, but we still
7364 relied on equivalences.
7366 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7368 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7369 vrp_int_const_binop returning non-constant nodes.
7371 2006-01-16 Paul Brook <paul@codesourcery.com>
7373 * config/m68k/m68k.c (output_move_const_into_data_reg):
7374 Output correct mnemonic for mvz and mvs.
7376 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7378 * rtl-factoring.c: Add sequence abstraction algorithm.
7379 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7380 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7382 (block_has_preserve_label): New function.
7383 * common.opt: Register new pass.
7384 * Makefile.in: Ditto.
7386 * timevar.def: Ditto.
7387 * tree-pass.h: Ditto.
7388 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7389 * rtl.h (make_jump_insn_raw): Add forward decl.
7390 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7392 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7393 Roger Sayle <roger@eyesopen.com>
7395 * fold-const.c (fold_minmax): New static function.
7396 (fold_binary) <MIN_EXPR>: Call it.
7397 <MAX_EXPR>: Likewise.
7398 * stor-layout.c (place_field): Use DECL_SIZE consistently
7399 in the computation of the new record size.
7401 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7403 * cse.c (cse_condition_code_reg): Make it static.
7404 * rtl.h: Remove the prototype for cse_condition_code_reg.
7406 * combine.c (combine_instructions): Make it static.
7407 * rtl.h: Remove the prototype for combine_instructions.
7409 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7412 * tree.c (get_file_function_name_long): Concatenate the first global
7413 object name with a string derived from the input filename of the object
7416 2006-01-16 Ben Elliston <bje@au.ibm.com>
7418 * config/i386/winnt-stubs.c: Update FSF address.
7419 * config/xtensa/ieee754-df.S: Ditto.
7420 * config/xtensa/ieee754-sf.S: Ditto.
7422 2006-01-14 Ian Lance Taylor <ian@airs.com>
7424 * ifcvt.c (noce_init_if_info): New static function, broken out of
7425 noce_process_if_block.
7426 (noce_process_if_block): Call noce_init_if_info.
7427 (check_cond_move_block): New static function.
7428 (cond_move_process_if_block): New static function.
7429 (process_if_block): Call cond_move_process_if_block.
7431 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7433 * cselib.c (hash_table): Rename to cselib_hash_table.
7434 (cselib_clear_table, discard_useless_values,
7435 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7436 cselib_init, cselib_finish): Adjust uses of hash_table.
7438 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7440 PR tree-optimization/25485
7441 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7442 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7443 is known to be false and true, respectively.
7445 2006-01-14 Richard Guenther <rguenther@suse.de>
7447 PR tree-optimization/22548
7448 PR tree-optimization/22555
7449 PR tree-optimization/22501
7450 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7451 * params.def (salias-max-array-elements): New parameter.
7452 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7453 * doc/invoke.texi (salias-max-array-elements): Document.
7454 * tree-flow-inline.h (var_can_have_subvars): We also handle
7456 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7458 * tree-ssa-structalias.c (params.h): Include.
7459 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7460 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7461 (get_constraint_for): For ADDR_EXPR operating on something
7462 containing an ARRAY_REF, add all subvars to the solution.
7463 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7464 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7465 for creating MUST_DEFs.
7466 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7468 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7470 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7472 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7473 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7474 number_of_iterations_le): New functions.
7475 (number_of_iterations_special): Removed.
7476 (number_of_iterations_exit): Do not use number_of_iterations_special.
7477 * tree.c (unsigned_type_for): Always return integer type.
7479 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7480 Richard Guenther <rguenther@suse.de>
7482 PR rtl-optimization/24257
7483 * gcse.c (find_moveable_store): Only consider a store movable
7484 when the SET_SRC of the insn can be assigned to a register.
7486 2006-01-14 Ian Lance Taylor <ian@airs.com>
7488 * tree.c (tree_not_class_check_failed): New function.
7489 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7490 (tree_not_class_check_failed): Declare.
7492 2006-01-13 Ian Lance Taylor <ian@airs.com>
7494 * reload1.c (do_output_reload): Add assertion rejecting a
7497 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7499 * combine.c (struct reg_stat): Add new fields truncation_label and
7501 (record_value_for_reg): Reset truncated_to_mode.
7502 (record_truncated_value): New function.
7503 (check_promoted_subreg): Call it. Rename to check_conversions.
7504 (combine_instructions): Rename check_promoted_subreg to
7506 (reg_truncated_to_mode): New function.
7507 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7508 (gen_lowpart_or_truncate): New function.
7509 (force_to_mode): Use it instead of gen_lowpart.
7511 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7513 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7514 VAR is a tag, not its type tag.
7516 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7518 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7519 alternatives to match style of other entries.
7520 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7522 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7524 PR tree-optimization/25771
7525 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7528 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7531 * tree-inline.c (declare_return_variable): If the return variable
7532 was marked as a non gimple complex, set the return slot variable
7533 to be a non gimple comple variable.
7535 2006-01-13 Richard Guenther <rguenther@suse.de>
7537 * builtins.c (expand_builtin_sincos): New function.
7538 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7540 (expand_builtin): Expand sincos using expand_builtin_sincos.
7542 2006-01-12 DJ Delorie <dj@redhat.com>
7544 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7545 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7546 so that constant shifts can be split.
7547 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7548 (m32c_valid_pointer_mode): Make static.
7549 (shift_gen_func_for): New.
7550 (m32c_prepare_shift): Use it. Split large const shifts into
7552 * config/m32c/predicates.md (shiftcount_operand): Allow more
7554 (longshiftcount_operand): New.
7555 * doc/md.texi (Machine Constraints): Document In6.
7557 2006-01-13 Ben Elliston <bje@au.ibm.com>
7559 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7560 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7563 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7565 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7566 to try to avoid clobbering pieces of structures when we know
7567 something about the whole structure.
7568 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7570 2006-01-13 Ben Elliston <bje@au.ibm.com>
7572 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7573 return in memory, as this is no limitation is no longer present.
7575 2006-01-12 DJ Delorie <dj@redhat.com>
7577 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7578 mova with fb, and for fb+0 -> An.
7580 * config/m32c/mov.md (peephole2): Fix enabling logic.
7582 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7583 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7584 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7585 FINI_ARRAY_SECTION_ASM_OP): Define.
7587 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7589 (m32c_legitimize_reload_address): New logic to reload FB to An.
7590 (m32c_output_reg_push): Add newline.
7591 (m32c_output_reg_pop): Likewise.
7593 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7595 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7597 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7599 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7601 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7603 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7606 2006-01-11 Ben Elliston <bje@au.ibm.com>
7608 * rtlanal.c (find_reg_note): Assert insn is not null.
7610 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7612 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7615 2006-01-11 Jeff Law <law@redhat.com>
7617 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7619 (mark_threaded_blocks, register_jump_thread): New functions.
7620 (thread_through_all_blocks): Remove unwanted argument. No
7621 longer rely on e->aux to communicate thread target info.
7622 Call mark_threaded_blocks. Release the threaded_blocks
7623 bitmap and threaded_edges vector when complete.
7624 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7625 (threaded_blocks): Remove.
7626 (tree_ssa_dominator_optimize): Remove initialization and
7627 finalization of threaded_blocks. Simplify call to
7628 thread_through_all_blocks.
7629 (thread_across_edge): Call register_jump_thread rather than
7630 storing thread information into e->aux.
7631 (free_all_edge_infos): Simplify now that e->aux is no longer
7632 used to communicate with thread_through_all_blocks.
7633 * tree-flow.h (thread_through_all_blocks): Update prototype.
7634 (register_jump_thread): Prototype.
7636 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7638 * df-core.c (df_compact_blocks, df_bb_replace): Use
7639 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7641 2006-01-11 Richard Guenther <rguenther@suse.de>
7643 PR tree-optimization/25734
7644 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7645 stop propagation after successful propagation to the LHS.
7647 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7649 * basic-block.h (control_flow_graph): Change the type of
7650 x_basic_block_info to VEC(basic_block,gc) *.
7651 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7653 (SET_BASIC_BLOCK): New.
7654 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7655 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7656 * cfgbuild.c (find_basic_blocks): Likewise.
7657 * cfglayout.c (fixup_reorder_chain): Likewise.
7658 * cfgrtl.c (create_basic_block_structure,
7659 rtl_create_basic_block): Likewise.
7660 * ifcvt.c (find_if_case_1): Likewise.
7661 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7664 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7666 * Makefile.in: Removed rotted odf.c entry.
7668 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7671 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7672 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7673 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7674 output pattern modifier, not %e.
7675 * config/cris/cris.c (cris_op_str): Update comment about pattern
7677 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7678 before falling through into...
7679 <case 'E'>: Redefined from old 'e' case.
7681 2006-01-11 Jan Hubicka <jh@suse.cz>
7684 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7686 2006-01-11 Jan Hubicka <jh@suse.cz>
7688 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7689 * i386.c (x86_decompose_lea): Kill.
7690 (ix86_rtx_costs): Kill.
7692 2006-01-11 Jan Hubicka <jh@suse.cz>
7694 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7695 * cgraph.h (cgraph_node): Add inline_decl.
7696 (cgraph_insert_node_to_hashtable): Declare.
7697 (save_inline_function_body): Declare.
7698 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7700 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7701 (cgraph_function_versioning): Update call of tree_function_versioning.
7702 (save_inline_function_body): New function.
7703 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7704 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7705 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7706 (cgraph_default_inline_p): Likewise.
7707 (cgraph_decide_inlining_incrementally): Likewise.
7708 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7709 (copy_bb): Kill saving; do updating of clones.
7710 (copy_cfg_body): Kill saving.
7711 (initialize_inlined-parameters): Likewise.
7712 (expand_call_inline): Likewise.
7714 (tree_function_versioning): New parameter "update_clones".
7715 (inlining_p): Kill saving.
7716 * tree-inline.h (tree_function_versioning): Update prototype.
7717 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7720 2006-01-11 Ian Lance Taylor <ian@airs.com>
7722 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7723 Allow undoing set of machine mode.
7724 (do_SUBST): Use enums instead of is_int.
7725 (do_SUBST_MODE): New function.
7726 (SUBST_MODE): New macro.
7727 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7728 reg and trying to replace reg_regno_rtx with a new register.
7729 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7730 (simplify_set): Use SUBST_MODE.
7731 (distribute_notes): Remove code that tried to update reg notes
7732 for regno_reg_rtx changes.
7734 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7736 PR tree-optimization/23109
7737 PR tree-optimization/23948
7738 PR tree-optimization/24123
7740 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7741 * tree-cfg.c (single_noncomplex_succ): New.
7742 * tree-flow.h (single_noncomplex_succ): Declare it.
7743 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7744 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7745 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7746 insert_bb, register_division_in, insert_reciprocals,
7747 replace_reciprocal, free_bb): New.
7748 (execute_cse_reciprocals_1): Rewritten.
7749 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7750 Do not commit any edge insertion. Always compute dominators and
7751 create the allocation pool.
7752 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7753 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7754 * targhooks.c (default_min_divistions_for_recip_mul): New.
7755 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7756 * passes.c (init_optimization_passes): Run recip after tree loop
7758 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7760 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7761 Kenneth Zadeck <zadeck@naturalbridge.com>
7763 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7764 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7765 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7766 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7767 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7768 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7769 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7770 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7771 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7772 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7773 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7774 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7775 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7776 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7777 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7778 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7779 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7780 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7781 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7782 DF_SCAN_POST_ALLOC): New macros.
7783 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7784 df_free_bb_function, df_local_compute_function, df_init_function,
7785 df_dataflow_function, df_confluence_function_0,
7786 df_confluence_function_n, df_transfer_function,
7787 df_finalizer_function, df_free_function, df_dump_problem_function,
7788 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7789 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7790 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7791 df_urec_bb_info, ) New types.
7792 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7794 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7795 df_analyze_simple_change_some_blocks,
7796 df_analyze_simple_change_one_block, df_compact_blocks,
7797 df_bb_replace, df_bb_regno_last_use_find,
7798 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7799 df_insn_regno_def_p, df_find_def, df_find_use,
7800 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7801 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7802 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7803 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7804 debug_df_chain, df_get_dependent_problem, df_chain_create,
7805 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7806 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7807 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7808 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7809 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7810 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7811 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7812 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7813 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7814 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7815 df_reorganize_refs, df_set_state, df_hard_reg_init,
7816 df_read_modify_subreg_p) New public functions.
7817 * df-core.c: The core dataflow solver and glue routines for rtl
7819 (df_init, df_add_problem, df_set_blocks, df_finish,
7820 df_hybrid_search_forward, df_hybrid_search_backward,
7821 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7822 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7823 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7824 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7825 df_reg_defined, df_find_use, df_reg_used, df_dump,
7826 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7827 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7828 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7829 debug_df_useno, reset_df_after_reload): New functions.
7830 * df-scan.c: The scanning fuctions, once in df.c, completely
7831 rewritten so that they now fully model the functionality of
7832 register usage at the backend.
7833 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7834 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7835 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7836 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7837 df_get_artificial_defs, df_get_artificial_uses,
7838 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7839 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7840 df_refs_delete, df_reorganize_refs, df_set_state,
7841 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7842 df_def_record_1, df_defs_record, df_uses_record,
7843 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7844 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7845 df_record_exit_block_uses, df_hard_reg_init): New functions.
7847 * df-problems.c: Seven concrete dataflow problems that use the
7848 scanning in df-scan.c and are solved by the engine in df-core.c.
7849 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
7850 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
7851 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
7852 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
7853 df_ru_free_bb_info, df_ru_alloc,
7854 df_ru_bb_local_compute_process_def,
7855 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7856 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7857 df_ru_transfer_function, df_ru_free, df_ru_dump,
7858 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
7859 df_rd_free_bb_info, df_rd_alloc,
7860 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
7861 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
7862 df_rd_transfer_function, df_rd_free, df_rd_dump,
7863 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
7864 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
7865 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
7866 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
7867 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
7868 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
7869 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
7870 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
7871 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
7872 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
7873 df_urec_mark_reg_change, df_urec_check_earlyclobber,
7874 df_urec_mark_reg_use_for_earlyclobber,
7875 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
7876 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
7877 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
7878 df_urec_dump, df_urec_add_problem, df_chain_alloc,
7879 df_chain_create_bb_process_use, df_chain_create_bb,
7880 df_chain_finalize, df_chain_free, df_chains_dump,
7881 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
7882 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
7883 df_reg_lifetime): New functions.
7884 * df.c: Deleted file.
7885 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
7886 consistent with new df api.
7887 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
7888 rest_of_handle_sms): Ditto.
7889 * web.c (unionfind_union, union_defs, entry_register, web_main):
7891 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
7892 invariant_expr_equal_p, find_defs, check_dependencies,
7893 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
7894 free_inv_motion_data, move_loop_invariants): Ditto.
7895 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
7896 Update dependencies.
7897 (odf.c): Added defective entry that was deleted later in day.
7898 * sched-deps.c (sched_analyze_1): Ditto.
7900 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7902 * tree-ssa-operands.c (get_expr_operands): Record addressable
7903 variables directly. Do not call add_stmt_operands for CONST_DECLs
7905 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
7906 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
7908 2006-01-11 Ben Elliston <bje@au.ibm.com>
7910 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
7911 function returns true in the positive case.
7913 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7916 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
7917 for SI, DI, SF and DF modes. Add alternatives to copy between
7918 general and floating point registers to the 32-bit patterns.
7919 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
7920 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
7921 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
7922 generating 64-bit code.
7923 * config/pa/pa.c (output_move_double): Handle copies between general
7924 and floating registers.
7926 2006-01-10 Stuart Hastings <stuart@apple.com>
7928 * config/i386/i386.md (set_got): Update.
7929 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
7930 (builtin_setjmp_receiver): Mach-O support.
7931 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
7932 (GOT_SYMBOL_NAME): Define.
7933 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7934 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
7935 * config/i386/i386.c (override_options): Revise for Darwin.
7936 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
7937 support. (darwin_x86_file_end): New. (output_set_got): Add label
7938 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
7939 * config/i386/i386-protos.h (output_set_got): Likewise.
7940 * config/darwin.c (machopic_legitimize_pic_address): Update
7943 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7945 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7946 when MODE isn't BLKmode.
7948 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7950 PR rtl-optimization/25367
7951 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7953 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7956 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7957 for a negative bound.
7959 2006-01-10 Richard Guenther <rguenther@suse.de>
7961 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7962 Never override with anything constraint.
7964 2006-01-10 Jan Beulich <jbeulich@novell.com>
7966 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7967 256 bits when optimize_size.
7969 2006-01-10 Jan Beulich <jbeulich@novell.com>
7971 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7973 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7974 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7977 2006-01-10 Ben Elliston <bje@au.ibm.com>
7979 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7981 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7982 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7983 (USE_FP_FOR_ARG): Reject decimal float modes.
7984 (function_arg_advance): Likewise.
7985 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7986 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7987 point types in AltiVec vectors.
7988 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7989 (rs6000_libcall_value): Likewise.
7991 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7993 * config/xtensa/ieee754-df.S: New file.
7994 * config/xtensa/ieee754-sf.S: New file.
7995 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7996 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7997 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7999 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8001 * config/sh/predicates.md (binary_float_operator,
8002 binary_logical_operator, commutative_float_operator,
8003 equality_comparison_operator, greater_comparison_operator,
8004 less_comparison_operator, logical_operator,
8005 noncommutative_float_operator, shift_operator,
8006 symbol_ref_operand, unary_float_operator): Remove redundant
8009 2006-01-09 Jeff Law <law@redhat.com>
8011 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8012 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8013 now unused arguments. Callers updated.
8014 (eliminate_redundant_computations): Remove now unused arguments,
8016 (local_fold): Remove, no longer used.
8017 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8019 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8020 (simplify_cond): New function.
8021 (forward_propagate_into_cond): Call simplify_cond.
8023 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8025 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8026 (*vec_extractv2di_1_sse): New.
8028 2006-01-09 Ben Elliston <bje@au.ibm.com>
8030 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8032 2006-01-08 Richard Guenther <rguenther@suse.de>
8034 * tree-ssa-structalias.c (get_constraint_for): Remove
8036 (get_constraint_for_component_ref): Likewise.
8037 (do_deref): Likewise.
8038 (get_constraint_for): Likewise.
8039 (do_structure_copy): Likewise.
8040 (handle_ptr_arith): Likewise.
8041 (find_func_aliases): Likewise. Remove unused need_anyoffset
8044 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8045 Kaz Kojima <kkojima@gcc.gnu.org>
8047 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8048 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8049 (EXTRA_CONSTRAINT_C16): Remove.
8050 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8051 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8052 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8053 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8054 constants of SHmedia. Handle nested constant expressions of
8056 (andcosts): Fix the costs for SHmedia constants.
8057 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8058 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8059 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8060 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8061 (movv4hi_i, movv2si_i): Likewise.
8062 (movsi_const): Adjust the second operand of ior so to match with
8064 (movdi_const, movdi_const_32bit): Likewise.
8065 (movdi_const_16bit+1): Don't sign-extend LOW.
8066 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8068 (*double_shori): Fix the split condition. Use GEN_INT instead
8069 of get_int_mode calls. Mask lower 16-bit of the argument of
8071 (sym2GOTPLT): Remove.
8072 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8074 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8075 instead of EXTRA_CONSTRAINT_C16.
8077 2006-01-07 Ian Lance Taylor <ian@airs.com>
8078 David Edelsohn <edelsohn@gnu.org>
8080 PR rtl-optimization/25662
8081 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8082 for constant operands instead of simplify_gen_binary.
8083 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8084 after trying simplify_binary_operation
8086 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8088 * tree.c (iterative_hash_expr): Hash decls based on UID.
8090 2006-01-06 Eric Christopher <echristo@apple.com>
8092 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8093 (TARGET_UNWIND_EMIT): Fix spelling.
8094 * target.h (gcc_target): Add except_table_label.
8095 * except.c (output_function_exception_table): Use.
8096 * varasm.c (default_emit_except_table_label): New.
8097 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8099 (asm_out): Add here.
8100 * output.h (default_emit_except_table_label): Prototype.
8101 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8102 * config/darwin.c (darwin_emit_except_table_label): Define.
8103 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8105 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8107 PR tree-optimization/18527
8108 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8109 number_of_iterations_special, number_of_iterations_exit):
8110 Move base and step of an iv to a single structure. Add
8111 no_overflow flag, and use it in # of iterations analysis.
8112 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8113 folded_casts argument.
8114 (simple_iv): Pass base and step in a structure. Set no_overflow
8116 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8117 Evaluate expensiveness of computing # of iterations instead of
8118 the final expression.
8119 * tree-scalar-evolution.h (affine_iv): New structure.
8120 (simple_iv): Declaration changed.
8121 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8122 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8123 find_givs_in_stmt): Changed due to simple_iv change.
8125 2006-01-06 Jeff Law <law@redhat.com>
8128 * tree-cfg.c (bsi_replace): Rename final argument from
8129 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8130 change (stmt -> orig_stmt).
8131 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8132 (bsi_remove): Add new argument. Remove EH information
8134 (verify_eh_throw_table_statements): New function.
8135 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8137 * tree-optimize.c (execute_free_cfg_annotations): Verify
8138 the EH throw statement table after removing annotations.
8139 * except.h (verify_eh_throw_table_statements): Prototype.
8140 * tree-flow.h (bsi_remove): Update prototype.
8141 * tree-vrp.c (remove_range_assertions): Add new argument to
8143 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8144 * tree-complex.c (expand_complex_div_wide): Likewise.
8145 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8146 * tree-tailcall.c (eliminate_tailcall): Likewise.
8147 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8148 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8149 * tree-nrv.c (tree_nrv): Likewise.
8150 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8151 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8152 (combine_blocks): Likewise.
8153 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8154 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8155 (cleanup_control_flow): Likewise.
8156 (remove_forwarder_block): Likewise.
8157 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8158 * tree-sra.c (sra_replace): Likewise.
8159 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8160 (forward_propagate_single_use_vars): Likewise.
8161 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8162 * tree-inline.c (expand_call_inline): Likewise.
8163 * tree-vect-transform.c (vect_transform_loop): Likewise.
8164 * tree-outof-ssa.c (rewrite_trees): Likewise.
8165 * tree-cfg.c (make_goto_expr_edges): Likewise.
8166 (cleanup_dead_labels): Likewise.
8167 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8168 (bsi_move_before, bsi_move_after): Likewise.
8169 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8170 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8172 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8175 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8177 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8178 on non gimple variables. Also add checks at the top for decls and
8180 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8182 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8183 and IMAGPART_EXPR for creating MUST_DEFs.
8184 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8185 and NAME_MEMORY_TAG separately from the DECLs.
8187 2006-01-06 Richard Guenther <rguenther@suse.de>
8189 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8190 annotation, if necessary.
8191 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8192 redundant calls to update_stmt.
8193 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8196 2006-01-05 Richard Henderson <rth@redhat.com>
8198 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8200 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8202 * c-typeck.c: Update copyright date.
8204 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8206 * c-typeck.c (build_c_cast): Always warn when casting
8207 from a pointer to an integer of different size, even if
8208 the node was constant.
8210 2006-01-05 Richard Guenther <rguenther@suse.de>
8212 PR tree-optimization/22555
8213 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8214 if one structure field is an array.
8215 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8216 operands even if we found a subvar, but ignore VOPs in this
8218 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8220 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8222 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8225 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8227 2006-01-05 Richard Guenther <rguenther@suse.de>
8228 Diego Novillo <dnovillo@redhat.com>
8230 * tree-pass.h (TODO_remove_unused_locals): Define.
8231 * gimple-low.c (expand_var_p, remove_useless_vars,
8232 pass_remove_useless_vars): Remove. Update all users.
8233 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8234 (remove_unused_locals): New function.
8235 * tree-flow.h (remove_unused_locals): Declare.
8236 * passes.c (execute_todo): Call remove_unused_locals if
8237 TODO_remove_unused_locals is set.
8238 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8239 * tree-ssa-dce.c (pass_dce): Likewise.
8240 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8242 2006-01-05 Richard Guenther <rguenther@suse.de>
8244 * tree-flow.h (struct fieldoff): Decompose field to
8245 type, size and decl.
8246 * tree-ssa-alias.c (create_sft): Take type as parameter.
8247 (create_overlap_variables_for): Store type, size and decl
8248 in the fieldoff structure.
8249 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8251 (push_fields_onto_fieldstack): Likewise.
8252 (create_variable_info_for): Likewise. Use offset for the
8253 SFT name if the decl is not available.
8255 2006-01-04 Paul Brook <paul@codesourcery.com>
8257 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8259 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8261 * lambda-code.c (can_put_in_inner_loop): Relax
8263 (can_put_after_inner_loop): New function.
8264 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8265 (perfect_nestify): Change to make copies and modify uses.
8267 2006-01-04 Richard Henderson <rth@redhat.com>
8269 Merge from gomp branch:
8270 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8271 via integer constant.
8272 (pragma_lex): Remove.
8273 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8274 rather than parsing it.
8275 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8276 handle_pragma_extern_prefix): Add %< %> quotes.
8277 (registered_pragmas): New.
8278 (c_register_pragma_1): New.
8279 (c_register_pragma): Use it.
8280 (c_register_pragma_with_expansion): Likewise.
8281 (c_invoke_pragma_handler): New.
8282 (init_pragma): Use cpp_register_deferred_pragma directly for
8284 * c-pragma.h (enum pragma_kind): New.
8285 (pragma_handler): New.
8286 (c_invoke_pragma_handler): Declare.
8287 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8289 * c-common.h (c_common_pch_pragma): Update decl.
8290 * Makefile.in (c-parser.o): Update dependencies.
8291 (GTFILES): Add c-pragma.h.
8292 * c-parser.c (struct c_token): Add pragma_kind.
8293 (struct c_parser): Add in_pragma.
8294 (c_lex_one_token): Always initialize keyword and pragma_kind.
8295 Extract data for CPP_PRAGMA.
8296 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8297 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8298 Don't allow CPP_PRAGMA_EOL if in_pragma.
8299 (c_parser_consume_pragma): New.
8300 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8301 (c_parser_skip_to_end_of_parameter): Likewise.
8302 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8303 (c_parser_skip_to_pragma_eol): New.
8304 (c_parser_external_declaration): Handle CPP_PRAGMA.
8305 (c_parser_compound_statement_nostart): Likewise.
8306 (c_parser_statement_after_labels): Likewise.
8307 (c_parser_pragma): New.
8308 (pragma_lex): Likewise.
8309 (c_parser_pragma_pch_preprocess): New.
8310 (c_parser_new): Merge into ...
8311 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8313 2006-01-04 Jeff Law <law@redhat.com>
8316 * tree-cfg.c (bsi_replace): Remove the original statement
8317 from the EH throw statement table.
8319 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8321 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8322 make the prototype extern "C" and add throw ().
8325 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8326 and pos non-negative and pos + len <= 32.
8327 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8328 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8329 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8332 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8333 as well as sizes not multiple of component size.
8336 * function.c (instantiate_expr): New function.
8337 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8338 walk its DECL_VALUE_EXPR with instantiate_expr.
8340 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8341 DW_OP_deref{,_size} if address isn't going to be added.
8343 2006-01-04 Ben Elliston <bje@au.ibm.com>
8345 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8346 * config/fp-bit.c: Likewise.
8348 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8350 * dominance.c: Add comment about why we use DFS numbering
8353 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8354 Richard Henderson <rth@redhat.com>
8356 Merge from gomp-branch:
8357 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8358 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8360 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8362 PR rtl-optimization/25578
8363 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8364 pass a parameter to simplify_shift_const if changing ASHIFTRT
8367 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8369 * builtins.c (get_builtin_sync_mem): New function.
8370 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8371 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8372 Call get_builtin_sync_mem to generate mem rtx.
8374 2006-01-03 Richard Guenther <rguenther@suse.de>
8377 * stmt.c (add_case_node): Make sure to clear overflow flags
8380 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8382 Merge from gomp-branch.
8383 * config/sparc/sync.md: New file.
8384 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8385 UNSPECV_LDSTUB): New constants.
8386 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8387 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8388 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8391 2006-01-03 Roger Sayle <roger@eyesopen.com>
8393 * combine.c (reg_subword_p): New predicate to test whether the
8394 destination of a set refers to a subword/piece of a register.
8395 (try_combine): Generalize the code to merge the setting of a
8396 pseudo to a constant followed by a set of a subword of that
8397 register to a constant.
8399 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8401 * basic-block.h (control_flow_graph): Change the type of
8402 x_label_to_block_map to VEC(basic_block,gc) *.
8403 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8404 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8406 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8407 VEC(basic_block,heap) *.
8408 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8409 ssa_prop_fini): Adjust the uses of cfg_blocks.
8411 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8413 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8415 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8416 hashing trees instead of a pointer hash.
8417 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8418 compare for MEM_EXPR.
8420 PR rtl-optimization/25130
8421 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8422 when comparing MEMs for GCSE
8424 2006-01-03 Ben Elliston <bje@au.ibm.com>
8426 * targhooks.h (default_decimal_float_supported_p): Declare.
8427 * targhooks.c (default_decimal_float_supported_p): Define.
8428 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8429 `default_decimal_float_supported_p'.
8430 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8432 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8434 * combine.c (apply_distributive_law <SUBREG>): Check
8435 TRULY_NOOP_TRUNCATION.
8437 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8439 * dwarf2out.c (have_switched_text_section): Delete.
8440 (have_multiple_function_sections): New.
8441 (have_location_lists): Make 'bool'.
8442 (add_AT_loc_list): Use 'true' not '1'.
8443 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8444 (output_loc_list): Use have_multiple_function_sections.
8445 (output_ranges): Likewise.
8446 (dwarf2out_begin_function): Set have_multiple_function_sections if
8448 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8449 Check function_section rather than DECL_SECTION_NAME.
8450 (dwarf2out_finish): Use have_multiple_function_sections.
8451 Don't clear have_location_lists.
8453 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8454 Jan Hubicka <jh@suse.cz>
8456 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8457 case of conditional jump jumping to the next instruction.
8458 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8459 cases of conditional jump jumping to the next instruction.
8461 2006-01-02 Jan Hubicka <jh@suse.cz>
8463 * i386.c (*_cost): Add COSTS_N_INSNS.
8464 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8466 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8469 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8471 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8473 * config/arm/arm.c (all_fpus): Fix comment typo.
8474 * config/darwin.c: Likewise.
8475 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8476 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8477 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8479 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8481 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8482 (rs6000_split_compare_and_swapqhi): New.
8483 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8484 (sync_compare_and_swapqhi_internal): New.
8485 * config/rs6000/rs6000-protos.h: Declare.