1 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2 J"orn Rennecke <joern.rennecke@st.com>
4 * superh.opt: New file.
5 * sh.c (boardtype, osruntime): Remove.
6 * superh.h (SUBTARGET_OPTIONS): Remove.
7 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10 arguments with ^ and/or [].
12 * config.gcc (sh-*-*): Add quoting to account for quirk of
14 Replace == with = in enable_incomplete_targets test.
16 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
17 with MASK_LITTLE_ENDIAN.
19 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
20 * config/sh/sh.opt: Added to some comments.
21 * config/sh/superh.h: Removed some chaff.
23 * config/sh/sh.opt: Add m4-[1234]00* options.
24 * config/sh/sh.c (sh_handle_option): Likewise.
25 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
26 (ic_invalidate_array_4-100.o): New rule.
27 ($(T)libic_invalidate_array_4-100.a): Likewise.
28 (ic_invalidate_array_4-200.o): Likewise.
29 ($(T)libic_invalidate_array_4-200.a): Likewise.
30 (ic_invalidate_array_4a.o): Likewise.
31 ($(T)libic_invalidate_array_4a.a): Likewise.
32 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
33 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
35 * config/sh/crt1.asm: Merged in profiling code.
36 * config/sh/superh.h (STARTFILE_SPEC): Override.
37 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
38 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
39 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
41 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
42 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
43 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
45 * sh.opt (mpretend-cmove): New option.
46 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
47 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
48 (movsicc): Add TARGET_PRETEND_CMOVE code.
50 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
52 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
53 s390_class_max_nregs): New function prototypes.
54 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
55 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
56 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
57 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
59 2006-03-26 Geoffrey Keating <geoffk@apple.com>
61 * dwarf2out.c (add_location_or_const_value_attribute): Call
62 tree_add_const_value_attribute if nothing else works.
63 (reference_to_unused): New.
64 (rtl_for_decl_init): Use reference_to_unused to decide whether
65 to output an initializer.
67 2006-03-27 Alan Modra <amodra@bigpond.net.au>
70 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
71 peephole removing spe frob_di_df_2.
73 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
75 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
76 (subscript_dependence_tester_1): Declared.
77 (print_dir_vectors, print_dist_vectors): New.
78 (debug_data_dependence_relation): New.
79 (dump_data_dependence_relation): Print more details.
80 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
81 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
82 (save_dist_v, save_dir_v, add_outer_distances,
83 build_classic_dist_vector_1): New.
84 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
85 Don't test for lambda_vector_lexico_pos.
86 (same_access_functions, add_multivariate_self_dist,
87 add_other_self_distances, dir_from_dist): New.
88 (build_classic_dir_vector): Replace implementation almost identical to
89 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
91 (subscript_dependence_tester_1): New.
92 (subscript_dependence_tester): Handle the lexicographically negative
93 distance vectors by recomputing the dependence relation.
94 (compute_affine_dependence): Remove parameter loop_nest_depth.
95 (compute_self_dependence): Don't call compute_subscript_distance.
96 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
97 Add a parameter for the loop_nest.
98 (find_loop_nest_1, find_loop_nest): New.
99 (compute_data_dependences_for_loop): Compute the loop nest, and give
100 up if the nest is not well formed.
101 * tree-data-ref.h (loop_p): New.
102 (struct data_dependence_relation): Replace size_vect field with
103 loop_nest, a vec of loops.
104 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
105 (DDR_LOOP_NEST): New.
106 (print_dir_vectors, print_dist_vectors,
107 debug_data_dependence_relation): Declared.
108 (index_in_loop_nest): New.
109 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
110 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
113 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
115 * simplify-rtx.c (simplify_relational_operation): Call
116 simplify_relational_operation_1 even if mode is VOIDmode.
118 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
120 PR tree-optimization/26804
121 * tree.h (DECL_CALL_CLOBBERED): New macro.
122 (tree_decl_common): Add call_clobbered_flag.
123 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
124 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
125 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
126 (mark_non_addressable): Ditto.
127 * tree-ssa.c (verify_call_clobbered): New function.
128 (verify_alias_info): Use it.
129 * tree-pass.h (pass_reset_cc_flags): New prototype.
130 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
131 (reset_cc_flags): New function.
132 * passes.c (init_optimization_passes): Call reset_cc_flags after
133 initializing referenced_vars.
135 2006-03-25 Uros Bizjak <uros@kss-loka.si>
136 Roger Sayle <roger@eyesopen.com>
139 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
140 to 1.0 for non-real operands. Implement A / A optimization for
143 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
145 * config/i386/i386.c (size_cost): Correct the comment for
146 cost of storing fp registers.
147 (i386_cost): Likewise.
148 (i486_cost): Likewise.
149 (pentium_cost): Likewise.
150 (pentiumpro_cost): Likewise.
152 (athlon_cost): Likewise.
154 (pentium4_cost): Likewise.
155 (nocona_cost): Likewise.
156 (generic64_cost): Likewise.
157 (generic32_cost): Likewise.
159 2006-03-24 Jeff Law <law@redhat.com>
161 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
162 directly. Call mark_new_vars_to_rename slightly earlier.
164 2006-03-24 Geoffrey Keating <geoffk@apple.com>
166 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
168 (gen_compile_unit_die): Use new language types for Objective-C and
170 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
174 * config/t-darwin (crt3.o): Work around bug 26840.
175 * config/darwin-crt3.c: Rewrite.
176 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
178 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
180 * doc/invoke.texi: Document -femit-class-debug-always
181 * common.opt: Add -femit-class-debug-always.
183 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
185 * config/s390/s390.c (s390_decompose_address): Allow SImode for
186 index and base register.
187 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
188 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
189 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
190 REGNO_OK_FOR_INDEX_P.
191 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
193 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
194 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
195 REG_OK_FOR_BASE_P): Definitions removed.
197 2006-03-24 Jakub Jelinek <jakub@redhat.com>
200 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
201 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
202 set yet or weren't marked as local yet.
204 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
206 * regrename.c (scan_rtx_address): Initialize a variable to shut up
209 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
211 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
212 (rs6000_legitimate_small_data_p): Delete.
213 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
214 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
215 and make static. Add forward declaration. Update uses.
216 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
217 of offsettable_memref_p.
218 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
219 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
221 2006-03-24 Jeff Law <law@redhat.com>
223 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
224 around bug in immediate-use iterator.
226 2006-03-24 Alan Modra <amodra@bigpond.net.au>
229 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
230 or __LITTLE_ENDIAN__.
232 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
234 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
235 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
236 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
237 * config/sh/sh.opt (mdiv=): Amend description.
238 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
239 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
240 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
241 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
242 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
243 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
244 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
245 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
246 TARGET_DIVIDE_CALL_FP.
248 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
250 * haifa-sched.c (choose_ready): Fix type of the local variable.
251 Move local variables. Add comment.
252 (check_reg_live): Change signature. Make callable from debugger.
253 * sched-int.h (check_reg_live): Update signature.
254 * sched-ebb.c (check_reg_live): Update parameters.
255 * sched-rgn.c (check_reg_live): Ditto.
256 (region_head_or_leaf_p): Check pointer before dereferencing.
257 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
258 before reload on optimization levels below 1.
260 2006-03-23 Richard Henderson <rth@redhat.com>
262 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
266 * config/alpha/predicates.md (local_symbolic_operand): Reject
269 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
272 * tree-ssa-pre.c (create_value_expr_from): Don't reject
273 expressions which have overflowed constants.
275 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
277 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
279 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
281 * cfgloopmanip.c (create_loop_notes): Removed.
282 * final.c (final_scan_insn): Do not handle loop notes.
283 * jump.c (squeeze_notes): Ditto.
284 * cfglayout.c (skip_insns_after_block,
285 duplicate_insn_chain): Ditto.
286 * cfgcleanup.c (rest_of_handle_jump2): Do not call
288 * cfgloop.h (create_loop_notes): Declaration removed.
290 2006-03-23 Richard Sandiford <richard@codesourcery.com>
292 * varasm.c (output_constant_pool): Restore fnname and fndecl
294 (assemble_start_function): Adjust call accordingly.
295 (assemble_end_function): Likewise.
297 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
300 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
303 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
305 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
308 * system.h (ICE_EXIT_CODE): New macro.
309 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
310 (diagnostic_action_after_output): Likewise.
311 * gcc.c (fatal_ice): New function.
312 (execute): Use it instead of fatal.
313 (fancy_abort): Likewise.
314 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
316 2006-03-22 Jeff Law <law@redhat.com>
318 * loop-unroll.c (analyze_iv_to_split_insn): Handle
319 iv_analyze_result returning false.
321 2006-03-22 Jie Zhang <jie.zhang@analog.com>
323 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
325 2006-03-22 Richard Henderson <rth@redhat.com>
328 * except.c (duplicate_eh_regions_0): New.
329 (duplicate_eh_region_1): Duplicate the children of the node as
330 well as the node itself. Link them up properly.
331 (duplicate_eh_region_2): Merge into ...
332 (duplicate_eh_regions): ... here. Take copy_region argument, and
333 copy only a sub-tree if asked. Simplify copying and fixup.
334 (eh_region_outer_p): New.
335 * except.h (duplicate_eh_regions): Update decl.
336 (eh_region_outer_p): Declare.
337 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
338 (lower_omp_master): Likewise.
339 (lower_omp_ordered): Likewise.
340 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
341 (move_stmt_r): Use it to remap labels. Handle recursion vs
342 remap_decls_p properly.
343 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
344 (find_outermost_region_in_block): New.
345 (new_label_mapper): New.
346 (move_sese_region_to_fn): Copy eh information to the new function
348 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
350 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
353 2006-03-22 Richard Sandiford <richard@codesourcery.com>
355 * doc/md.texi (-mshared): Mention that -mshared code can be linked
356 into shared libraries.
358 2006-03-22 Richard Sandiford <richard@codesourcery.com>
360 * doc/md.texi: Refer to i386/constraints.md instead of
362 * config/i386/constraints.md: New file, extracted from...
363 * config/i386/predicates.md: ...here.
364 * config/i386/i386.md: Include constraints.md.
366 2006-03-21 Jason Merrill <jason@redhat.com>
368 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
371 * expr.c (init_block_move_fn): Force default visibility.
372 (init_block_clear_fn): Likewise.
373 * builtins.c (expand_builtin_fork_or_exec): Likewise.
374 * targhooks.c (default_external_stack_protect_fail): Likewise.
376 2006-03-21 Richard Sandiford <richard@codesourcery.com>
378 * config/mips/predicates.md (const_call_insn_operand): Allow direct
379 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
380 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
381 Use TARGET_OLDABI instead of !TARGET_NEWABI.
382 (loadgp): Use mips_current_loadgp_style.
383 (loadgp_noshared): New pattern.
384 (sibcall_internal): Use MIPS_CALL.
385 (sibcall_value_internal): Likewise.
386 (sibcall_value_multiple_internal): Likewise.
387 (call_internal): Likewise.
388 (call_value_internal): Likewise.
389 (call_value_multiple_internal): Likewise.
390 (call_split): Use MIPS_CALL and add an 'S' constraint.
391 (call_value_split): Likewise.
392 (call_value_multiple_split): Likewise.
393 * config/mips/mips.opt (-mabicalls): Tweak docstring.
394 (-mshared): New option.
395 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
396 (mips_current_loadgp_style): Declare.
397 * config/mips/mips.c (mips_classify_symbol): Avoid using
398 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
399 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
400 TARGET_ABSOLUTE_ABICALLS.
401 (override_options): Adjust comments. Improve the warning that is
402 issued when -mabicalls and -G are used together.
403 (mips_file_start): Remove comment.
404 (mips_current_loadgp_style): New function.
405 (mips_gnu_local_gp): New variable.
406 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
408 (mips_output_function_prologue): Use mips_current_laodgp_style.
409 (mips_expand_prologue): Call mips_emit_loadgp before emitting
410 the cprestore instruction.
411 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
412 live for TARGET_ABSOLUTE_ABICALLS.
413 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
414 (ASM_SPEC): Pass down -mshared and -mno-shared.
415 (MIPS_CALL): New macro.
416 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
418 * doc/invoke.texi (-mabicalls): Update documentation.
419 (-mshared): Document.
421 2006-03-21 Steve Ellcey <sje@cup.hp.com>
423 * config/ia64/unwind-hpux.c: New file.
424 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
426 2006-03-21 Steve Ellcey <sje@cup.hp.com>
429 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
431 2006-03-21 Jeff Law <law@redhat.com>
433 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
434 type conversions of a VR_VARYING source to a wider type.
436 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
438 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
439 tm_file on Solaris 10 and later.
440 (sparc64-*-solaris2*): Likewise.
441 (sparc-*-solaris2*): Likewise.
442 * config/sol26.h: Rename to config/sol2-6.h.
443 * config/sol2-10.h: New file.
445 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
448 * tree-ssa-pre.c (create_component_ref_by_pieces):
451 2006-03-21 Jakub Jelinek <jakub@redhat.com>
454 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
455 return it immediately.
457 2006-03-21 Michael Matz <matz@suse.de>
459 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
461 (remove_arc, add_arc): Update num_out_arcs member.
462 (set_out_arc_insns_equiv_num): Returns nothing instead of number
464 (cache_presence): New function.
465 (compare_states_for_equiv): New function.
466 (state_is_differed): Don't take number of outargs, adjust callers.
467 Use new invariant for speeding up.
468 (init_equiv_class): Create initial classes based on sorted
470 (partition_equiv_class): Don't track out_arcs_num.
471 (evaluate_equiv_classes): Call cache_presence on all states and
474 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
476 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
477 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
478 (bfin_valid_reg_p): Test for pseudos explicitly and use only
479 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
481 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
482 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
483 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
484 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
485 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
487 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
488 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
489 (REGNO_REG_CLASS): ARGP is in PREGS.
490 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
492 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
493 to deal with those addresses.
494 * addresses.h: New file.
495 * caller-save.c: Include "addresses.h".
496 (init_caller_save): Use new base_reg_class function.
497 * rtl-factoring.c: Include "addresses.h".
498 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
499 * recog.c: Include "addresses.h".
500 (preprocess_constraints): Use new base_reg_class function.
501 * regrename.c: Include "addresses.h".
502 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
503 functions. Keep track of a new var INDEX_CODE to compute valid
505 (replace_oldest_value_addr): Likewise.
506 (replace_oldest_value_mem): Use base_reg_class.
507 * reload.c: Include "addresses.h".
508 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
509 (find_reloads): Use new base_reg_class function.
510 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
511 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
512 all callers and prototype changed.
513 * reload1.c: Include "addresses.h".
514 (maybe_fix_stack_asms): Use base_reg_class.
515 * regclass.c: Include "addresses.h".
516 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
517 (init_reg_autoinc): Use new base_reg_class function.
518 (record_reg_classes): Likewise.
519 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
520 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
521 Use new args to compute necessary class.
523 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
524 regrename.o, rtl-factoring.o): Update dependencies.
525 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
526 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
527 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
528 REG_OK_FOR_INDEX_P): Delete documentation.
530 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
532 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
533 from V7 to V9 for Solaris 7 and above.
535 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
537 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
538 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
539 argument pointers may not alias any other storage.
540 * common.opt: Define option -fargument-noalias-anything.
541 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
542 alias semantics is specified by flag_argument_noalias > 2.
544 2006-03-20 Jeff Law <law@redhat.com>
546 * tree-pass.h (pass_phi_only_copy_prop): Delete.
547 (pass_phi_only_cprop): Declare.
548 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
550 * tree-ssa-dom.c (degenerate_phi_result): New function.
551 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
552 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
553 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
554 (eliminate_degenerate_phis): Likewise.
555 (pass_phi_only_cprop): New pass descriptor.
556 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
557 support code. Callers updated.
558 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
559 (store_copy_prop): Likewise.
560 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
562 2006-03-20 Jason Merrill <jason@redhat.com>
565 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
566 (push_visibility, pop_visibility): Likewise.
567 * c-pragma.h: Declare them.
569 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
571 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
573 * config/sh/sh.c (find_regmode_weight): Change the type of the first
574 parameter and use get_ebb_head_tail.
575 (sh_md_init_global): Adjust uses of find_regmode_weight.
577 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
579 * function.h (struct function) <x_tail_recursion_reentry>:
580 Rename to x_stack_check_probe_note.
581 (tail_recursion_reentry): Rename to stack_check_probe_note.
582 * function.c: Replace tail_recursion_reentry with
583 stack_check_probe_note everywhere.
584 (expand_function_start): Only emit a note for
585 stack_check_probe_note with -fstack-protect.
586 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
588 * emit-rtl.c (remove_unnecessary_notes): Remove.
589 (pass_remove_unnecessary_notes): Remove.
590 * rtl.h (remove_unnecessary_notes): Remove prototype.
591 * final.c (final_start_function): Don't call remove_unnecessary_notes.
592 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
593 * passes.c (pass_remove_unnecessary_notes): Don't run it.
595 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
598 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
599 (valid_in_set): Handle ARRAY_REF.
600 Change "if min_variant or VH" to asserts.
601 (create_component_ref_by_pieces): Handle ARRAY_REF.
602 (create_expression_by_pieces): Likewise.
603 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
605 2006-03-20 David Edelsohn <edelsohn@gnu.org>
607 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
608 is operand of switch, not str[0].
610 2006-03-20 Alan Modra <amodra@bigpond.net.au>
612 * config/rs6000/rs6000.c (rs6000_handle_option): Use
613 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
615 2006-03-19 David Edelsohn <edelsohn@gnu.org>
617 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
618 end of insn_extra_address_constraint declaration.
620 2006-03-19 David Edelsohn <edelsohn@gnu.org>
622 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
623 (no-sum-in-toc): Same.
624 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
626 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
627 NO_FP_IN_TOC for -fPIC instead of mask.
629 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
630 (BOOT_LDFLAGS): Delete.
632 * config/rs6000/t-aix52: Same.
634 * config/rs6000/rs6000.md (store_multiple_power): Delete.
635 (stmsi[345678]_power): New.
637 2006-03-17 Steve Ellcey <sje@cup.hp.com>
639 * config/ia64/ia64.opt: Add empty line to end of file.
641 2006-03-17 Richard Guenther <rguenther@suse.de>
644 * builtins.c (get_pointer_alignment): For component style references
645 adjust alignment to the component type alignment. Make sure
646 to adjust alignment for component access of constants.
648 2006-03-17 David Edelsohn <edelsohn@gnu.org>
650 * config/rs6000/rs6000.md (strlensi): Emit barrier after
653 2006-03-17 Paul Brook <paul@codesourcery.com>
655 * doc/install.texi: Docuemnt --with-mode.
656 * config.gcc: Add --with-mode for arm*-*-*.
657 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
659 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
661 * sh.c (max_labelno_before_reorg): New variable.
662 (sh_reorg): Initialize it.
663 (find_barrier): Check max_labelno_before_reorg before using
664 label_to_alignment. Take length of explicit alignment insns
665 into account. When seeing a UNSPECV_CONST_END, return it.
667 * sh.c (fixup_mova): Set mode of affected label to QImode.
668 (untangle_mova): New function.
669 (find_barrier): Use it. Check mode of label before decrementing
671 (sh_reorg): Likewise.
672 Set mode of all insns back to VOIDmode.
674 * sh.c (MOVA_LABELREF): New macro.
675 (mova_p, fixup_mova, sh_reorg): Use it.
676 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
677 ADDR_DIFF_VEC matches mova.
679 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
681 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
682 with ATTRIBUTE_UNUSED.
684 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
686 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
687 pointer, instead of assuming it is possible to derive the
688 correct args size from a call insn.
690 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
692 * rtl.h (CONST_INT_P): Define.
693 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
694 instead of GET_CODE(x) == CONST_INT.
695 (vax_rtx_costs): Likewise.
696 (vax_output_int_move): Likewise.
697 (vax_output_int_add): Likewise.
698 (legitimate_constant_address_p): Likewise.
699 (index_term_p): Likewise.
700 * config/vax/vax.h (PRINT_OPERAND): Likewise.
701 * config/vax/vax.md (and<mode>3): Likewise.
704 (movstricthi): Likewise.
705 (movstrictqi): Likewise.
707 (five unnamed insns): Likewise.
709 2006-03-16 Geoffrey Keating <geoffk@apple.com>
711 * doc/tm.texi (SDB and DWARF): Add extra parameter to
712 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
713 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
714 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
715 Pass to ASM_OUTPUT_DWARF_OFFSET.
716 * dwarf2out.c (debug_frame_section): New.
717 (output_call_frame_info): Use debug_frame_section. Pass it to
718 dw2_asm_output_offset.
719 (output_die): Pass appropriate section to dw2_asm_output_offset.
720 (output_compilation_unit_header): Likewise.
721 (output_pubnames): Likewise.
722 (output_aranges): Likewise.
723 (enum dw_val_class): Break dw_val_class_lbl_offset into
724 dw_val_class_lineptr and dw_val_class_macptr.
725 (add_AT_lbl_offset): Delete.
726 (add_AT_lineptr): New.
727 (add_AT_macptr): New.
728 (AT_lbl): Expect a lineptr or macptr.
729 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
730 (attr_checksum): Likewise.
731 (same_dw_val_p): Likewise.
732 (size_of_die): Likewise.
733 (value_format): Likewise.
734 (output_die): Likewise.
735 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
737 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
738 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
739 * config/darwin-protos.h (darwin_file_start): New.
740 (darwin_asm_output_dwarf_offset): New.
741 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
742 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
744 * config/darwin.c (darwin_emit_unwind_label): Don't output label
745 if not EH section; simplify.
746 (darwin_file_start): New.
747 (darwin_asm_output_dwarf_offset): New.
748 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
750 (DEBUG_INFO_SECTION): Likewise.
751 (DEBUG_ABBREV_SECTION): Likewise.
752 (DEBUG_ARANGES_SECTION): Likewise.
753 (DEBUG_MACINFO_SECTION): Likewise.
754 (DEBUG_LINE_SECTION): Likewise.
755 (DEBUG_LOC_SECTION): Likewise.
756 (DEBUG_PUBNAMES_SECTION): Likewise.
757 (DEBUG_STR_SECTION): Likewise.
758 (DEBUG_RANGES_SECTION): Likewise.
759 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
760 (ASM_OUTPUT_DWARF_OFFSET): New.
762 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
764 * config.gcc (tm_defines): Always add to previous value rather
767 2006-03-16 Richard Sandiford <richard@codesourcery.com>
769 * config/mips/predicates.md (splittable_const_int_operand): New,
770 split from move_operand.
771 (splittable_symbolic_operand): New.
772 (move_operand): Add commentary. Use splittable_const_int_operand.
773 Inline mips_atomic_symbolic_constant_p.
774 * config/mips/mips.md: Add combine splitters for handling moves
775 of splittable_const_int_operands and splittable_symbolic_operands.
776 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
777 (mips_split_symbol): Declare.
778 (mips_move_integer): Declare.
779 * config/mips/mips.c (mips_split_p): Make global.
780 (TARGET_MIN_ANCHOR_OFFSET): Override default.
781 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
782 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
783 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
784 (mips_offset_within_object_p): Handle block symbols.
785 (mips_atomic_symbolic_constant_p): Delete.
786 (mips_cannot_force_const_mem): Return false for constants that
787 mips_legitimize_move can handle.
788 (mips_use_blocks_for_constant_p): New function.
789 (mips_split_symbol): Make global.
790 (mips_move_integer): Likewise. Add a temporary register argument.
791 (mips_legitimize_const_move): Use splittable_const_int_operand and
792 splittable_symbolic_operand.
793 (mips_use_anchors_for_symbol_p): New function.
794 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
795 (mips_split_p): Declare.
797 2006-03-16 Richard Sandiford <richard@codesourcery.com>
799 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
800 (mips*-*-linux*): Likewise.
802 2006-03-16 Roger Sayle <roger@eyesopen.com>
803 Daniel Speyer <dspeyer@wam.umd.edu>
806 * tree-dump.c (dump_real): New function.
807 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
808 * Makefile.in (REAL_H): New macro for dependencies on real.h.
809 (tree-dump.o): Add $(REAL_H) to the dependencies.
811 2006-03-16 Roger Sayle <roger@eyesopen.com>
814 * real.c (real_from_string): If the mantissa is zero, don't bother
815 parsing the exponent as the result should always be zero.
817 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
819 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
821 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
823 * config/ia64/ia64.c (stops_p): Added explicit initialization.
824 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
825 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
826 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
827 ia64_sched_finish_global): New static functions to implement
828 hooks from gcc_target.sched.
829 (spec_check_no, max_uid, pending_data_specs): New static variables.
830 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
831 ia64_spec_check_src_p): New static functions.
832 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
833 (TARGET_SCHED_ADJUST_COST): Removed.
834 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
835 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
836 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
837 TARGET_SCHED_GEN_CHECK,
838 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
839 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
840 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
841 Fixed to handle speculation checks.
842 (rtx_needs_barrier): Fixed to handle speculative loads and
844 (ia64_variable_issue): Added code to count speculative loads and their
846 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
848 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
850 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
852 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
853 (ia64_reorg): Reset stops_p to NULL after it is freed.
854 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
855 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
856 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
858 (data_speculative, control_speculative, check_load): New attributes.
859 (mov<mode>_advanced, mov<mode>_speculative,
860 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
861 zero_extend<mode>di2_speculative,
862 zero_extend<mode>di2_speculative_advanced): New patterns for
863 data and control speculative loads.
864 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
866 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
867 New pattern for data and control speculation checks.
868 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
869 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
870 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
871 Auxiliary definitions for the patterns.
872 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
873 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
875 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
877 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
878 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
879 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
880 New resource constraints.
881 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
883 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
884 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
885 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
886 msched-in-control-spec, msched-ldc, msched-control-ldc,
887 msched-spec-verbose, msched-prefer-non-data-spec-insns,
888 msched-prefer-non-control-spec-insns,
889 msched-count-spec-in-critical-path): New flags to tune speculative
891 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
892 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
893 msched-in-control-spec, msched-ldc, msched-control-ldc,
894 msched-spec-verbose, msched-prefer-non-data-spec-insns,
895 msched-prefer-non-control-spec-insns,
896 msched-count-spec-in-critical-path): Document new flags.
898 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
900 * target.h (struct spec_info_def): New opaque declaration.
901 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
902 speculate_insn, needs_block_p, gen_check,
903 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
904 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
905 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
906 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
907 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
908 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
910 (TARGET_SCHED): Use new macros.
911 * rtl.h (copy_DEPS_LIST_list): New prototype.
912 * sched-int.h (struct sched_info): Change signature of new_ready field,
913 adjust all initializations. New fields: add_remove_insn,
914 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
915 region_head_or_leaf_p.
916 (struct spec_info_def): New structure declaration.
917 (spec_info_t): New typedef.
918 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
919 recovery_block, orig_pat.
920 (glat_start, glat_end): New variables declaraions.
921 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
923 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
924 DETACH_LIFE_INFO, USE_GLAT.
925 (enum SPEC_SCHED_FLAGS): New enumeration.
926 (NOTE_NOTE_BB_P): New macro.
927 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
928 attach_life_info, debug_spec_status, check_reg_live): New functions.
929 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
930 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
932 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
933 * ddg.c (get_block_head_tail): Adjust all uses.
934 * modulo-sched.c (get_block_head_tail): Adjust all uses.
935 (sms_sched_info): Initialize new fields.
936 (contributes_to_priority): Removed.
937 * haifa-sched.c (params.h): New include.
938 (get_block_head_tail): Adjust all uses.
939 (ISSUE_POINTS): New macro.
940 (glat_start, glat_end): New global variables.
941 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
942 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
943 old_last_basic_block, before_recovery, current_sched_info_var,
944 rgn_n_insns, luid): New static variables.
945 (insn_cost1): New function. Move logic from insn_cost to here.
946 (find_insn_reg_weight1): New function. Move logic from
947 find_insn_reg_weight to here.
948 (reemit_notes, move_insn, max_issue): Change signature.
949 (move_insn1): Removed.
950 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
951 extend_bb): New static functions to support extension of scheduler's
953 (generate_recovery_code, process_insn_depend_be_in_spec,
954 begin_speculative_block, add_to_speculative_block,
955 init_before_recovery, create_recovery_block, create_check_block_twin,
956 fix_recovery_deps): New static functions to support
957 generation of recovery code.
958 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
959 restore_bb_notes, move_block_after_check, move_succs): New static
960 functions to support ebb scheduling.
961 (init_glat, init_glat1, attach_life_info1, free_glat): New static
962 functions to support handling of register live information.
963 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
964 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
965 add_jump_dependencies): New static functions.
966 (check_cfg, has_edge_p, check_sched_flags): New static functions for
967 consistancy checking.
968 (debug_spec_status): New function to call from debugger.
969 (priority): Added code to handle speculation checks.
970 (rank_for_schedule): Added code to distinguish speculative instructions.
971 (schedule_insn): Added code to handle speculation checks.
972 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
973 Fixed to handle ebbs.
974 (move_insn): Added code to handle ebb scheduling.
975 (max_issue): Added code to use ISSUE_POINTS of instructions.
976 (choose_ready): Added code to choose between speculative and
977 non-speculative instructions.
978 (schedule_block): Added code to handle ebb scheduling and scheduling of
979 speculative instructions.
980 (sched_init): Initialize new variables.
981 (sched_finish): Free new variables. Print statistics.
982 (try_ready): Added code to handle speculative instructions.
983 * lists.c (copy_DEPS_LIST_list): New function.
984 * sched-deps.c (extend_dependency_caches): New function. Move logic
985 from create_dependency_caches to here.
986 (get_dep_weak, ds_merge): Make global.
987 * genattr.c (main): Code to output prototype for
988 dfa_clear_single_insn_cache.
989 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
990 (output_dfa_clean_insn_cache_func): Code to output
991 dfa_clear_single_insn_cache function.
992 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
994 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
996 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
997 New static variables.
998 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
999 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1001 (ebb_sched_info): Initialize new fields.
1002 (get_block_head_tail): Adjust all uses.
1003 (compute_jump_reg_dependencies): Fixed to use glat_start.
1004 (schedule_ebb): Code to remove unreachable last block.
1005 (schedule_ebbs): Added code to update register live information.
1006 * sched-rgn.c (region_sched_info): Initialize new fields.
1007 (get_block_head_tail): Adjust all uses.
1008 (last_was_jump): Removed. Adjust users.
1009 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1010 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1011 Implement new hooks.
1012 (check_dead_notes1): New static function.
1013 (struct region): New fields: dont_calc_deps, has_real_ebb.
1014 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1015 (BB_TO_BLOCK): Fixed to handle EBBs.
1016 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1017 (ebb_head): New static variable.
1018 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1019 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1021 (compute_dom_prob_ps): New assertion.
1022 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1023 global_live_at_start.
1024 (init_ready_list): New assertions.
1025 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1026 (new_ready): Add support for BEGIN_CONTROL speculation.
1027 (schedule_insns): Fixed code that updates register live information
1029 (schedule_region): Fixed to handle EBBs.
1030 (init_regions): Use extend_regions and check_dead_notes1.
1031 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1032 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1033 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1034 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1035 TARGET_SCHED_GEN_CHECK,
1036 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1037 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1038 * doc/invoke.texi (max-sched-insn-conflict-delay,
1039 sched-spec-prob-cutoff): Document.
1041 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1043 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1044 inter_tick, queue_index.
1045 (struct sched_info): Change signature of init_ready_list field.
1046 Adjust all initializations.
1047 (RESOLVED_DEPS): New access macro.
1048 (ready_add): Remove prototype.
1049 (try_ready): Add prototype.
1050 * sched-rgn.c (init_ready_list): Use try_ready.
1051 (schedule_region): Initialize
1052 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1053 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1054 (init_ready_list): Use try_ready.
1055 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1056 * lists.c (remove_list_elem): Remove `static'.
1057 (remove_free_INSN_LIST_elem): New function.
1058 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1059 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1060 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1062 (readyp): New variable.
1063 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1064 change_queue_index, resolve_dep): New static functions.
1065 (try_ready): New function. Adjust callers in sched-rgn.c and
1066 sched-ebb.c to use it instead of ready_add.
1067 (clock_var): Move at the begining of file.
1068 (rank_for_schedule): Fix typo.
1069 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1070 (ready_lastpos): Enforce assertion.
1071 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1073 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1074 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1075 (queue_to_ready): Use free_INSN_LIST_list.
1076 (early_queue_to_ready): Fix typo.
1077 (schedule_block): Init readyp. Move init_ready_list call after the
1078 initialization of clock_var. Fix error in rejecting insn by
1079 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1080 that previously corrected INSN_TICKs. Add code for handling
1082 (set_priorities): Fix typo.
1083 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1084 Clarify comment and code that keeps current_sched_info->next_tail
1087 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1089 * sched-rgn.c (extend_rgns): New static function.
1090 (find_rgns): Use it.
1091 (gather_region_statistics, print_region_statistics): New static
1093 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1094 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1096 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1097 Andrey Belevantsev <abel@ispras.ru>
1099 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1100 * lists.c (unused_deps_list): New variable.
1101 (free_list): Add assertions to verify the proper distinguishing
1102 between INSN_LISTs and DEPS_LISTs.
1103 (find_list_elem, remove_list_elem, remove_list_node): New static
1105 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1106 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1107 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1108 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1110 (free_INSN_LIST_node): Likewise.
1111 * modulo-sched.c (current_sched_info): Initialize flags field.
1112 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1113 * rtl.def (DEPS_LIST): Define.
1114 * rtl.h: Declare new functions from lists.c.
1115 * sched-deps.c (spec_dependency_cache): New static variable.
1116 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1117 (add_dependence): Change return type to void. Move the logic to ...
1118 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1119 (delete_all_dependences): Add comment about forward_dependency_cache.
1120 Handle spec_dependency_cache. Handle DEPS_LISTs.
1121 (fixup_sched_groups): Clarify the change of priority of output
1122 and anti dependencies.
1123 (sched_analyze_2): Adjust add_dependence calls to create data
1124 speculative dependence.
1125 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1126 Adjust all callers. Handle DEPS_LISTS.
1127 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1128 presence of speculation.
1129 (init_dependency_caches, free_dependency_caches):
1130 Handle spec_dependency_cache.
1131 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1132 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1133 New static functions.
1134 (add_or_update_back_dep, add_or_update_back_forw_dep,
1135 add_back_forw_dep, delete_back_forw_dep): New functions.
1136 * sched-int.h (ds_t, dw_t): New typedefs.
1137 (struct sched_info): Add new field flags.
1138 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1139 Prototype new sched-deps.c functions.
1140 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1141 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1142 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1143 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1144 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1145 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1147 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1149 * sched-rgn.c (current_sched_info): Initialize flags field.
1150 (schedule_insns): Initialize current_sched_info before the sched_init
1152 * sched-ebb.c (current_sched_info): Initialize flags field.
1153 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1154 Call add_or_update_back_dep instead of add_dependence.
1155 Create control speculative dependencies.
1156 (schedule_insns): Initialize current_sched_info before the sched_init
1159 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1161 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1163 (sh_fallback_frame_state): Likewise.
1165 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1167 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1168 Do switch on default_use_cxa_atexit.
1169 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1170 * config/darwin-crt3.o: New.
1171 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1172 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1173 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1175 * config/rs6000/t-darwin: Move crt2.o building to here.
1176 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1177 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1180 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1182 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1183 from '! xxx' to '!xxx' for coding-style conformance.
1184 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1185 (EXTRA_CONSTRAINT): Likewise.
1186 * config/vax/vax.md (four unnamed insns): Likewise.
1188 2006-03-15 Paul Brook <paul@codesourcery.com>
1190 * config/arm/arm.c (minipool_pad): New.
1191 (add_minipool_forward_ref): Include pool alignment padding in address
1193 (push_minipool_fix): Set minipool_pad.
1194 (minipool_pad): Ditto.
1196 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1198 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1199 instead of GET_CODE() == MEM and REG_P() instead of
1201 (print_operand_address): Likewise.
1202 (vax_address_cost): Likewise.
1203 (vax_rtx_costs): Likewise.
1204 (vax_notice_update_cc): Likewise.
1205 (vax_output_int_add): Likewise.
1206 (INDEX_REGISTER_P): Likewise.
1207 (BASE_REGISTER_P): Likewise.
1208 (nonindexed_address_p): Likewise.
1209 (vax_mode_dependent_address_p): Likewise.
1210 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1211 (PRINT_OPERAND): Likewise.
1212 * config/vax/vax.md (ashlsi3): Likewise.
1213 (ashlsi3): Likewise.
1214 (some more unnamed insns): Likewise.
1216 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1218 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1219 iterator-style macro.
1220 (mark_control_dependent_edges_necessary): Update the use of
1221 EXECUTE_IF_CONTROL_DEPENDENT.
1223 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1225 * config/sh/predicates.md (cache_address_operand): Special.
1226 (ua_address_operand): Likewise.
1228 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1230 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1232 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1234 2006-03-15 Andreas Schwab <schwab@suse.de>
1236 * gensupport.c (identify_predicable_attribute): Don't free p_false
1237 when it is still in use.
1239 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1241 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1242 the default setting here.
1244 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1246 * tree-pass.h (pass_cfg): Remove.
1247 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1248 * passes.c (pass_cfg): Don't run it.
1250 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1252 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1253 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1255 (stack_regs_mentioned): Update the uses of
1256 stack_regs_mentioned_data. Don't access the array beyond its
1258 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1259 Don't include gt-reg-stack.h.
1261 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1262 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1264 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1267 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1270 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1272 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1274 2006-03-14 Richard Guenther <rguenther@suse.de>
1276 PR tree-optimization/26672
1277 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1280 2006-03-14 Richard Guenther <rguenther@suse.de>
1282 PR tree-optimization/26667
1283 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1284 node for the callees. Always allow inlining if it will shrink
1287 2006-03-14 Richard Guenther <rguenther@suse.de>
1290 * builtins.c (get_pointer_alignment): Prefer alignment
1291 information from decls over that from types.
1293 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1296 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1298 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1300 * config/rs6000/rs6000.opt (mdlmzb): New option.
1301 (msched-prolog, msched-epilog): Use Var not Mask.
1302 * doc/invoke.texi (-mdlmzb): Document.
1303 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1305 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1306 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1308 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1310 PR rtl-optimization/25739
1311 * bt-load.c (augment_live_range): Free tos pointer.
1313 * gensupport.c (identify_predicable_attribute): Free
1315 * gcov.c (create_file_names): Free name pointer.
1317 2006-03-13 Roger Sayle <roger@eyesopen.com>
1320 * stmt.c (emit_case_nodes): Handle the case where the index is a
1321 CONST_INT, where the comparison mode is specified by the index type.
1323 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1325 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1328 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1330 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1331 (*branch_fp_inverted): Likewise.
1333 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1336 * omp-low.c (expand_omp_for_generic): Mark istart0
1337 and iend0 as addressable.
1339 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1341 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1343 2006-03-13 Jeff Law <law@redhat.com>
1345 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1346 virtual operands are interesting.
1347 (vrp_visit_stmt): Corresponding changes.
1349 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1351 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1353 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1354 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1355 * config/bfin/crti.S: Use it instead of __PIC__.
1356 * config/bfin/crtn.S: Likewise.
1358 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1359 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1361 Lose 'G' modifier for call operand.
1362 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1363 recognize 'G' modifier.
1365 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1368 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1369 * stmt.c (expand_case): Likewise.
1371 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1373 PR rtl-optimization/26254
1374 * loop-invariant.c (seq_insns_valid_p): New function.
1375 (move_invariant_reg): Only emit new code if it is valid.
1377 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1379 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1381 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1382 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1383 (commit_one_edge_insertion): Do not look for loop notes.
1385 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1387 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1388 flag_test_coverage out of loop.
1390 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1392 * final.c (shorten_branches): Remove outdated comment, and turn
1393 the if branch that guards it to continue.
1395 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1397 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1398 * cfgloop.h (struct loop): Remove unused fields.
1400 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1402 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1403 (-dL, -fdump-rtl-loop2): Update the dump file names
1405 * doc/invoke.texi: Update dump file names.
1407 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1409 * predict.c (estimate_probability): Remove.
1410 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1411 * basic-block.h (estimate_probability): Remove prototype.
1412 * passes.c (finish_optimization_passes): Dump branch prediction or
1413 profiling heuristics to the .profile tree dump.
1414 (init_optimization_passes): Unqueue pass_branch_prob.
1416 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1418 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1420 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1421 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1423 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1425 * function.h (frame_offset_overflow): Declare.
1426 * function.c (frame_offset_overflow): New function.
1427 (assign_stack_local_1): Call it to detect that the offset overflows.
1428 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1430 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1432 * config/sh/sh.c: Include alloc-pool.h.
1433 (label_ref_list_pool): New alloc pool.
1434 (label_ref_list_t): New type for lists of labels.
1435 (struct pool_node): Make wend a label_ref_list_t.
1436 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1438 (dump_table): Likewise.
1439 (sh_reorg): Set up the alloc pool before using add_constant and
1440 dump_table, and destroy it when finishing.
1442 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1444 * config/mips/mips.c: Remove redundant comment.
1446 2006-03-10 Jason Merrill <jason@redhat.com>
1449 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1450 the target was declared 'register'.
1452 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1454 * genpreds.c (write_insn_constraint_len): Change definition of
1455 insn_constraint_len to return size_t to match the declaration.
1457 2006-03-10 DJ Delorie <dj@redhat.com>
1459 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1461 (m32c_expand_insv): Fix test for an AND mask.
1463 2006-03-10 Richard Guenther <rguenther@suse.de>
1466 * builtins.c (get_pointer_alignment): Handle component
1467 references for field alignment.
1469 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1471 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1472 when building with libgloss.
1473 (sh*elf): Implement --without-fp option.
1474 (sh64-superh-linux*): Don't multilib.
1476 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1478 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1480 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1482 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1483 Set it when one of the replacement functions returned true.
1484 Return TODO_cleanup_cfg if cfgchanged is true.
1485 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1487 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1489 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1490 instead of gen_lowpart.
1492 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1494 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1496 (mips_output_order_conditional_branch): Declare.
1497 * config/mips/mips.h (MIPS_BRANCH): New macro.
1498 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1499 for the comparison. Use gen_condjump.
1500 (mips_output_conditional_branch): Rework interface to take the
1501 asm templates for a direct branch and the inverse of a direct branch.
1502 (mips_output_order_conditional_branch): New function.
1503 (mips_builtin_branch_and_move): New function.
1504 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1505 branch condition. Use gen_single_cc as the condition for
1506 __builtin_mips_upper_* or __builtin_mips_lower_*.
1507 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1508 Use VOIDmode for the branch condition.
1509 * config/mips/predicates.md (order_operator): New predicate.
1510 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1511 (branch_fp): Rename to...
1512 (*branch_fp): ...this. Remove mode from comparison operator.
1513 Use new mips_output_conditional_branch interface.
1514 (branch_fp_inverted): Rename to...
1515 (*branch_fp_inverted): ...this and update as for *branch_fp.
1516 (*branch_zero<mode>): Rename to...
1517 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1518 Use mips_output_order_conditional_branch. Only accept ordered
1520 (*branch_zero<mode>_inverted): Rename to...
1521 (*branch_order<mode>_inverted): ...this and update as for
1522 *branch_order<mode>.
1523 (*branch_equality<mode>): Accept zero as the second operand to
1524 the equality operator. Use the new mips_output_conditional_branch
1526 (*branch_equality<mode>_inverted): Likewise.
1527 (condjump): New expander.
1528 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1530 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1531 (bc1any2t, bc1any2f): Likewise.
1532 (single_cc): New expander.
1533 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1535 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1537 * doc/md.texi: Update documentation of MIPS constraints.
1538 * config/mips/constraints.md: New file.
1539 * config/mips/mips.md: Include it.
1540 * config/mips/mips.c (mips_char_to_class): Delete.
1541 (override_options): Don't initialize mips_char_to_class.
1542 * config/mips/mips.h (mips_char_to_class): Delete.
1543 (REG_CLASS_FROM_LETTER): Delete.
1544 (CONST_OK_FOR_LETTER_P): Delete.
1545 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1546 (EXTRA_CONSTRAINT_Y): Delete.
1547 (EXTRA_CONSTRAINT_STR): Delete.
1548 (CONSTRAINT_LEN): Delete.
1549 (EXTRA_MEMORY_CONSTRAINT): Delete.
1551 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1553 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1554 original fn's eh regions.
1556 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1558 * fold-const.c (build_range_check): Make sure to use a valid type to
1559 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1562 (range_predecessor): New static function.
1563 (range_successor): Likewise.
1564 (merge_ranges): Use them to compute predecessors and successors of
1567 2006-03-09 Roger Sayle <roger@eyesopen.com>
1570 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1571 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1573 2006-03-08 DJ Delorie <dj@redhat.com>
1575 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1576 (addpsi3): Expand to include memory operands. Remove
1577 reload-specific splits.
1578 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1579 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1580 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1581 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1582 (shift1_qi, shift1_hi, insv): New.
1583 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1584 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1585 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1587 * config/m32c/m32c-protos.h: Update as needed.
1588 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1589 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1590 Fail for unrecognized R* constraints.
1591 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1592 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1593 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1595 (m32c_init_libfuncs): New.
1596 (m32c_legitimate_address_p): Add debug wrapper.
1597 (m32c_rtx_costs): New.
1598 (m32c_address_cost): New.
1599 (conversions): Add 'B' prefix.
1600 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1601 operands, or word regnames for QI operands. 'B' prints bit
1603 (m32c_expand_setmemhi): New.
1604 (m32c_expand_movmemhi): New.
1605 (m32c_expand_movstr): New.
1606 (m32c_expand_cmpstr): New.
1607 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1608 (m32c_expand_neg_mulpsi3): Handle non-ints.
1609 (m32c_cmp_flg_0): New.
1610 (m32c_expand_movcc): New.
1611 (m32c_expand_insv): New.
1612 (m32c_scc_pattern): New.
1613 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1614 a0/a1 out of SIregs.
1615 (STORE_FLAG_VALUE): New.
1616 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1619 * config/m32c/mov.md: Make constraints more liberal.
1620 (zero_extendqihi2): Optimize r0/r1 case.
1621 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1622 * config/m32c/predicates.md (m32c_any_operand): New.
1623 (m32c_nonimmediate_operand): New.
1624 (m32c_hl_operand): New.
1625 (m32c_r3_operand): New.
1628 (memsym_operand): New.
1629 (memimmed_operand): New.
1630 (a_qi_operand): New.
1631 (m32c_eqne_operator): New.
1632 (m32c_1bit8_operand): New.
1633 (m32c_1bit16_operand): New.
1634 (m32c_1mask8_operand): New.
1635 (m32c_1mask16_operand): New.
1636 * config/m32c/blkmov.md: New file.
1637 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1639 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1641 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1642 unsigned to fix signed/unsigned comparison issue in
1643 DWARF2_FRAME_REG_OUT.
1644 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1645 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1647 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1648 of ptr into the ENABLE_CHECKING section.
1650 2006-03-08 Jeff Law <law@redhat.com>
1652 * tree-vrp.c (infer_value_range): Only count pointer uses
1653 and dereferences if -fdelete-null-pointer-checks is enabled.
1655 * tree-vrp.c (find_assert_locations): Infer value ranges for
1656 single use pointers, but do not create ASSERT_EXPRs for them.
1657 When a non-null range is inferred for a pointer, backwards
1658 propagate that range to other equivalent pointers through the
1661 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1664 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1665 language hook targets.
1666 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1667 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1668 if language hook targets were missing.
1670 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1672 * tree-ssa-opfinalize.h: Removed.
1673 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1675 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1676 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1677 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1678 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1679 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1680 finalize_ssa_v_must_def_ops): New.
1682 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1684 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1687 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1689 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1691 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1692 addresses with offsets; reorganize.
1694 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1695 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1696 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1698 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1701 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1703 2006-03-08 Ben Elliston <bje@au.ibm.com>
1705 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1707 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1710 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1713 2006-03-07 Richard Guenther <rguenther@suse.de>
1715 PR tree-optimization/26587
1716 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1718 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1720 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
1722 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1724 * hooks.c (hook_bool_mode_rtx_true): New function.
1725 * hooks.h (hook_bool_mode_rtx_true): Declare.
1726 * toplev.c (compile_file): Call output_shared_constant_pool.
1727 * varasm.c (shared_constant_pool): New variable.
1728 (assemble_start_function, assemble_end_function): Remove arguments
1729 from call to output_constant_pool.
1730 (create_constant_pool): New function, split out from...
1731 (init_varasm_status): ...here.
1732 (force_const_mem): Choose between the shared and per-function constant
1733 pools. Set current_function_uses_const_pool when reusing old entries
1734 as well as when creating new ones.
1735 (mark_constant): Ignore data argument.
1736 (mark_constants): Remove pool argument.
1737 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
1738 to decide whether the function uses a constant pool.
1739 (output_constant_pool_contents): New function, split out from...
1740 (output_constant_pool): ...here.
1741 (output_shared_constant_pool): New function.
1742 (init_varasm_once): Initialize shared_constant_pool.
1743 * output.h (output_constant_pool): Delete.
1744 (output_shared_constant_pool): Declare.
1745 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
1746 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
1748 2006-03-06 Nick Clifton <nickc@redhat.com>
1750 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
1751 flag_strength_reduce.
1753 2006-03-06 Ben Elliston <bje@au.ibm.com>
1755 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
1756 x86_64-*-linux* configurations.
1758 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
1759 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
1761 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1763 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
1765 * basic-block.h: Remove the extern for
1766 rediscover_loops_after_threading.
1768 * cfgloop.c (cancel_loop): Make it static.
1769 * cfgloop.h: Remove the prototype for cancel_loop.
1771 * flow.c (recompute_reg_usage): Make it static.
1772 * rtl.h: Remove the prototype for recompute_reg_usage.
1774 * function.c (use_return_register): Make it static.
1775 * function.h: Remove the prototype.
1777 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1779 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
1781 * recog.h: Remove the prototype for
1782 validate_change_maybe_volatile.
1784 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1786 * rtlanal.c (replace_reg): Remove.
1787 * rtl.h: Remove the prototype for replace_reg.
1789 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1791 * regclass.c (reg_scan_update): Remove.
1792 (reg_scan_mark_refs): Remove the last argument.
1793 * rtl.h: Remove the prototype for reg_scan_update.
1795 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1797 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
1798 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
1799 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
1800 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
1801 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
1802 loop-invariant.c, omp-low.c, opts.c, passes.c,
1803 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
1804 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
1805 tree-ssa-structalias.c, tree-ssa-threadedge.c,
1806 tree-ssa-threadupdate.c, tree-vect-patterns.c,
1807 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
1808 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1810 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1812 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1813 * dwarf2out.h: Remove the prototype for
1814 dwarf2out_add_library_unit_info.
1816 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1818 * tree.c (add_var_to_bind_expr): Remove.
1819 * tree.h: Remove the prototype for add_var_to_bind_expr.
1821 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1823 * regclass.c (n_non_fixed_regs): Remove.
1824 (init_reg_sets_1, globalize_reg): Remove all uses of
1826 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1828 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1830 * rtlanal.c (insns_safe_to_move_p): Remove.
1831 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1833 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1835 * expmed.c (expand_mult_add): Remove.
1836 * expr.h: Remove the prototype for expand_mult_add.
1838 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1840 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1841 and REG_SAVED_VAL_EXP constants.
1842 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1843 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1844 Handle regs stored by value.
1845 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1846 (execute_cfa_program): Handle DW_CFA_val_offset,
1847 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1848 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1849 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1850 (uw_install_context_1): Handle target regs stored by value.
1852 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1854 * tree-sra.c (tree_sra): Return todoflags;
1855 (generate_one_element): Set TODO_update_smt_usage if needed.
1856 (pass_sra): Remove TODO_update_smt_usage.
1857 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1859 (tree_ssa_forward_propagate_single_use_vars): Return
1860 TODO_update_smt_usage if we need to update SMT usage.
1861 (pass_forwprop): Remove TODO_update_smt_usage.
1863 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1865 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1866 (correct_use_link): Remove reference to get_stmt_operands.
1867 (update_stmt_operands): Likewise.
1868 (get_modify_expr_operands): New function factored out of
1869 parse_ssa_operands and get_expr_operands.
1870 Try to create V_MUST_DEFs for LHS by default.
1871 (get_expr_operands) <case MODIFY_EXPR>: Call
1872 get_modify_expr_operands.
1873 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
1874 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
1875 (parse_ssa_operands) <case MODIFY_EXPR>: Call
1876 get_modify_expr_operands.
1878 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
1880 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
1881 * tree-flow.h: Remove the prototype for
1882 referenced_var_lookup_if_exists.
1884 2006-03-03 Steve Ellcey <sje@cup.hp.com>
1886 PR rtl-optimization/26345
1888 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
1890 2006-03-03 Roger Sayle <roger@eyesopen.com>
1892 PR tree-optimization/26524
1893 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
1894 fold_convert to create a constant of the appropriate type.
1896 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1898 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1899 SYMBOL_REF_IN_BLOCK_P.
1900 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1901 of SYMBOL_FLAG_IN_BLOCK.
1902 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1903 instead of SYMBOL_REF_IN_BLOCK_P.
1904 * explow.c (use_anchored_address): Likewise.
1905 * rtl.c (rtx_size): Likewise.
1906 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1907 instead of SYMBOL_FLAG_IN_BLOCK.
1908 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1909 SYMBOL_REF_IN_BLOCK_P.
1910 (assemble_variable): Likewise.
1911 (output_constant_def_contents): Likewise.
1912 (output_constant_pool): Likewise.
1913 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1914 instead of SYMBOL_FLAG_IN_BLOCK.
1915 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1916 SYMBOL_REF_IN_BLOCK_P.
1917 (SYMBOL_REF_BLOCK): Likewise.
1918 (SYMBOL_REF_OFFSET): Likewise.
1919 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1920 SYMBOL_REF_IN_BLOCK_P.
1921 (SYMBOL_FLAG_IN_BLOCK): Replace with...
1922 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
1923 (SYMBOL_REF_IN_BLOCK_P): Replace with...
1924 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
1926 2006-03-03 Jakub Jelinek <jakub@redhat.com>
1928 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
1930 2006-03-02 Roger Sayle <roger@eyesopen.com>
1932 * simplify-rtx.c (simplify_unary_operation): When simplifying
1933 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
1934 that we perform the right shift in the appropriate mode, and
1935 then extend or truncate the result to requested mode.
1937 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
1939 * gengtype.c (main): Handle double_int type.
1940 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
1941 * double-int.c: New file.
1942 * double-int.h: New file.
1943 * system.h: Include doubleint.h.
1944 * Makefile.in (SYSTEM_H): Include double-int.h.
1945 (double-int.o): Add.
1947 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
1950 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
1953 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1955 * tree-vrp.c (remove_range_assertions): Do not update statements
1958 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1960 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
1962 * gcse.c (rest_of_handle_gcse): Ditto.
1963 * except.c (gate_handle_eh): Ditto.
1964 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
1965 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
1967 2006-03-02 Eric Christopher <echristo@apple.com>
1969 * config/i386/i386.c (machopic_output_stub): Add indirection to
1972 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1976 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
1978 Sun Niagara specific optimizations.
1979 * config.gcc: Recognize niagara as target.
1980 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
1981 (TARGET_CPU_niagara): Define.
1982 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
1983 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
1984 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1985 (ASM_CPU_SPEC): Likewise.
1986 (PROCESSOR_NIAGARA): New enum entry.
1987 (REGISTER_MOVE_COST): Handle Niagara.
1988 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
1989 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
1990 (sparc_override_options): Recognize "niagara", set appropriate
1991 default MASK_* values for it, and align functions to 32-bytes
1992 by default just like ULTRASPARC/ULTRASPARC3.
1993 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
1994 (sparc64_initialize_trampoline): Likewise.
1995 (sparc_use_sched_lookahead): Use zero for niagara.
1996 (sparc_issue_rate): Use one for niagara.
1997 * config/sparc/niagara.md: New file.
1998 * config/sparc/sparc.md: Include it.
1999 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2000 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2001 when default cpu is niagara.
2002 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2003 (ASM_CPU_SPEC): Likewise.
2004 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2005 when default cpu is niagara.
2006 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2007 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2008 just like v9/ultrasparc/ultrasparc3.
2009 * doc/invoke.texi: Add documentation for "niagara" and improve
2010 existing documentation for ultrasparc variants.
2012 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2014 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2016 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2018 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2019 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2020 and say that only one is needed.
2021 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2022 * target.h (have_switchable_bss_sections): New hook.
2023 * explow.c (use_anchored_address): Check that the symbol is in a block.
2024 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2025 (bss_noswitch_section): New variables.
2026 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2027 (get_noswitch_section): New function.
2028 (get_block_for_section): Allow SECT to be null.
2029 (unlikely_text_section_p): Use SECTION_STYLE.
2030 (bss_initializer_p): New function.
2031 (get_variable_section): Move earlier in file. Take a new argument,
2032 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2033 Return one of the new *_sections in such cases.
2034 (get_block_for_decl): New function, extracting some logic from
2035 use_blocks_for_decl_p.
2036 (change_symbol_section): Remove in favor of...
2037 (change_symbol_block): ...this new function.
2038 (use_blocks_for_decl_p): Remove checks now performed by
2040 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2041 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2042 (emit_local, emit_bss, emit_common): ...these new functions.
2043 Return true if the alignment was honored.
2044 (emit_tls_common): New function.
2045 (asm_emit_uninitialised): Delete.
2046 (assemble_variable_noswitch): New function, split out from...
2047 (assemble_variable): ...here. Don't make decisions about common
2048 variables here. Globalize all public decls that go into non-common
2049 sections. Check whether SYMBOL_REF_BLOCK is null.
2050 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2051 (output_constant_pool): Likewise.
2052 (init_varasm_once): Initialize the new section variables.
2053 (have_global_bss_p): New function.
2054 (categorize_decl_for_section): Use bss_initializer_p.
2055 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2056 (place_block_symbol): Assert that the symbol must be in a block.
2057 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2058 (TARGET_INITIALIZER): Include it.
2059 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2060 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2061 (SECTION_MACH_DEP): Bump by two.
2062 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2063 (unnamed_section): Mention SECTION_UNNAMED in comment.
2064 (named_section): Likewise SECTION_NAMED.
2065 (noswitch_section_callback): New type.
2066 (noswitch_section): New structure.
2067 (section): Add a noswitch_section alternative.
2068 (SECTION_STYLE): New macro.
2069 (tls_comm_section, comm_section, lcomm_section): Declare.
2070 (bss_noswitch_section, have_global_bss_p): Declare.
2071 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2072 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2074 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2075 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2078 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2080 * gcc/tree-vrp.c (execute_vrp): Return value.
2081 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2082 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2083 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2084 (tree_lower_complex_O0): Ditto.
2085 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2086 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2087 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2088 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2089 (execute_tail_calls): Ditto.
2090 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2091 * gcc/tree.h (init_function_for_compilation): Ditto.
2092 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2093 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2094 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2095 * gcc/final.c (compute_alignments): Ditto.
2096 (rest_of_handle_final): Ditto.
2097 (rest_of_handle_shorten_branches): Ditto.
2098 (rest_of_clean_state): Ditto.
2099 * gcc/omp-low.c (execute_expand_omp): Ditto.
2100 (execute_lower_omp): Ditto.
2101 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2102 * gcc/ipa-reference.c (static_execute): Ditto.
2103 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2104 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2105 (rest_of_handle_machine_reorg): Ditto.
2106 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2107 * gcc/flow.c (recompute_reg_usage): Ditto.
2108 (rest_of_handle_remove_death_notes): Ditto.
2109 (rest_of_handle_life): Ditto.
2110 (rest_of_handle_flow2): Ditto.
2111 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2112 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2113 (do_ssa_store_ccp): Ditto.
2114 (execute_fold_all_builtins): Ditto.
2115 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2116 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2117 * gcc/ipa-pure-const.c (static_execute): Ditto.
2118 * gcc/cse.c (rest_of_handle_cse): Ditto.
2119 (rest_of_handle_cse2): Ditto.
2120 * gcc/web.c (rest_of_handle_web): Ditto.
2121 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2122 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2123 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2124 * gcc/tree-nrv.c (tree_nrv): Ditto.
2125 (execute_return_slot_opt): Ditto.
2126 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2127 (create_structure_vars): Ditto.
2128 * gcc/loop-init.c (rtl_loop_init): Ditto.
2129 (rtl_loop_done): Ditto.
2130 (rtl_move_loop_invariants): Ditto.
2131 (rtl_unswitch): Ditto.
2132 (rtl_unroll_and_peel_loops): Ditto.
2133 (rtl_doloop): Ditto.
2134 * gcc/gimple-low.c (lower_function_body): Ditto.
2135 (mark_used_blocks): Ditto.
2136 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2137 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2138 (cgraph_early_inlining): Ditto.
2139 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2140 * gcc/jump.c (cleanup_barriers): Ditto.
2141 (purge_line_number_notes): Ditto.
2142 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2143 (rest_of_handle_if_after_reload): Ditto.
2144 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2145 (tree_ssa_loop_im): Ditto.
2146 (tree_ssa_loop_unswitch): Ditto.
2147 (tree_vectorize): Ditto.
2148 (tree_linear_transform): Ditto.
2149 (tree_ssa_loop_ivcanon): Ditto.
2150 (tree_ssa_empty_loop): Ditto.
2151 (tree_ssa_loop_bounds): Ditto.
2152 (tree_complete_unroll): Ditto.
2153 (tree_ssa_loop_prefetch): Ditto.
2154 (tree_ssa_loop_ivopts): Ditto.
2155 (tree_ssa_loop_done): Ditto.
2156 * gcc/predict.c (tree_estimate_probability): Ditto.
2157 * gcc/recog.c (split_all_insns_noflow): Ditto.
2158 (rest_of_handle_peephole2): Ditto.
2159 (rest_of_handle_split_all_insns): Ditto.
2160 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2161 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2162 (rest_of_handle_stack_adjustments): Ditto.
2163 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2164 * gcc/function.c (instantiate_virtual_regs): Ditto.
2165 (init_function_for_compilation): Ditto.
2166 (rest_of_handle_check_leaf_regs): Ditto.
2167 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2168 (rest_of_handle_gcse): Ditto.
2169 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2170 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2171 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2172 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2173 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2174 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2175 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2176 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2177 * gcc/except.c (set_nothrow_function_flags): Ditto.
2178 (convert_to_eh_region_ranges): Ditto.
2179 (rest_of_handle_eh): Ditto.
2180 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2181 (remove_unnecessary_notes): Ditto.
2182 * gcc/except.h (set_nothrow_function_flags): Ditto.
2183 (convert_to_eh_region_ranges): Ditto.
2184 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2185 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2186 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2187 (execute_fre): Ditto.
2188 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2189 (rest_of_handle_jump2): Ditto.
2190 * gcc/tree-sra.c (tree_sra): Ditto.
2191 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2192 (execute_mudflap_function_decls): Ditto.
2193 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2194 (do_store_copy_prop): Ditto.
2195 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2196 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2197 * gcc/tree-ssa-forwprop.c
2198 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2199 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2200 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2201 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2202 (execute_late_warn_uninitialized): Ditto.
2203 * gcc/rtl.h (cleanup_barriers): Ditto.
2204 (split_all_insns_noflow): Ditto.
2205 (purge_line_number_notes): Ditto.
2206 (unshare_all_rtl): Ditto.
2207 (remove_unnecessary_notes): Ditto.
2208 (recompute_reg_usage): Ditto.
2209 (variable_tracking_main): Ditto.
2210 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2211 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2212 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2213 (execute_free_cfg_annotations): Ditto.
2214 (execute_fixup_cfg): Ditto.
2215 (execute_cleanup_cfg_pre_ipa): Ditto.
2216 (execute_cleanup_cfg_post_optimizing): Ditto.
2217 (execute_init_datastructures): Ditto.
2218 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2219 * gcc/combine.c (rest_of_handle_combine): Ditto.
2220 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2221 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2222 (rest_of_handle_reorder_blocks): Ditto.
2223 (rest_of_handle_partition_blocks): Ditto.
2224 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2225 * gcc/tree-profile.c (tree_profiling): Ditto.
2226 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2227 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2228 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2229 (rest_of_handle_sched2): Ditto.
2230 * gcc/basic-block.h (free_bb_insn): Ditto.
2231 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2232 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2233 (remove_useless_stmts): Ditto.
2234 (split_critical_edges): Ditto.
2235 (execute_warn_function_return): Ditto.
2236 (execute_warn_function_noreturn): Ditto.
2237 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2238 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2239 * gcc/passes.c (execute_one_pass): Run additional
2240 todos returned by execute function.
2241 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2244 2006-03-02 Richard Guenther <rguenther@suse.de>
2246 * tree-ssa-alias.c (find_used_portions): Consider taking
2247 the address as making the variable not write-only.
2249 2006-03-02 Nick Clifton <nickc@redhat.com>
2251 * config.gcc (default_use_cxa_atexit): Extend the description of
2252 this configure variable. Set its default value to "yes" for
2253 Linux, NetBSD and ELF targets on the assumption that they will
2254 use C libraries with the __cxa_atexit function.
2256 2006-03-02 Ben Elliston <bje@au.ibm.com>
2258 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2259 parameter as unused to suppress a build warning.
2261 2006-03-02 Ben Elliston <bje@au.ibm.com>
2263 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2266 2006-03-01 Roger Sayle <roger@eyesopen.com>
2269 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2270 declared name, the weak reference name, and the typeof name.
2271 (__gthrw): Avoid expanding the declared name suffix.
2272 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2274 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2276 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2278 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2279 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2280 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2281 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2282 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2283 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2284 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2285 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2286 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2287 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2288 (DW_END_default, DW_END_big, DW_END_little): New.
2289 (DW_END_lo_user, DW_END_hi_user): Define.
2290 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2291 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2292 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2295 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2297 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2299 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2301 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2303 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2305 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2306 to 'symbol_mem_tag'.
2308 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2311 2006-03-01 Roger Sayle <roger@eyesopen.com>
2313 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2315 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2318 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2319 MACHO_DYNAMIC_NO_PIC_P.
2320 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2322 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2325 * config/darwin-protos.h (darwin_asm_output_anchor):
2327 * config/darwin-sections.def (cstring_section):
2328 Add SECTION_MERGE to the flags.
2329 (literal4_section): Likewise.
2330 (literal8_section): Likewise.
2331 (objc_selector_refs_section): Likewise.
2332 (objc_cls_refs_section): Likewise.
2333 * config/darwin.c (darwin_asm_output_anchor): New
2335 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2337 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2339 Fix PR tree-optimization/26443
2340 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2341 to todo and PROP_tmt_usage to properties_destroyed.
2342 * tree-ssa-ccp.c (pass_ccp): Ditto.
2343 (pass_store_ccp): Ditto.
2344 * tree-ssa-dom.c (pass_dominator): Ditto.
2346 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2348 * tree-ssa-operands.c: Cleanup whitespace.
2349 (get_asm_expr_operands): Move before first invocation.
2350 (get_indirect_ref_operands): Likewise.
2351 (get_tmr_operands): Likewise.
2352 (get_call_expr_operands): Likewise.
2353 (append_def): Likewise.
2354 (append_use): Likewise.
2355 (append_v_may_def): Likewise.
2356 (append_v_must_def): Likewise.
2357 (add_call_clobber_ops): Likewise.
2358 (add_call_read_ops): Likewise.
2359 (add_stmt_operand): Likewise.
2360 (add_virtual_operand): Likewise.
2361 (build_ssa_operands): Likewise.
2363 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2368 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2369 with a call expr to ...
2370 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2372 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2374 * tree-vrp.c (extract_range_from_assert): Remove special
2375 handling for types with super-types.
2377 2006-03-01 Ben Elliston <bje@au.ibm.com>
2379 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2380 and powerpc64-*-linux* configurations.
2381 * config/t-dfprules: New file.
2383 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2384 Compile dfp-bit.c from the source directory using -DWIDTH and
2385 $DFP_CFLAGS to control the compilation of that file, rather than
2386 generating width-specific versions in the build directory.
2387 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2388 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2390 2006-02-28 Zack Weinberg <zackw@panix.com>
2392 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2395 2006-02-28 Eric Christopher <echristo@apple.com>
2397 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2398 Set up IN_LIBGCC definition of TARGET_64BIT.
2399 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2401 2006-02-28 Roger Sayle <roger@eyesopen.com>
2404 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2405 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2406 cases via the construction of "expr != 0".
2408 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2410 * alias.c (alias_invariant, alias_invariant_size): Remove.
2411 (record_base_value): Remove.
2412 (memrefs_conflict_p): Don't look at alias_invariant.
2413 (end_alias_analysis): Don't free it.
2414 * alias.h (record_base_value): Remove prototype.
2416 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2417 Adam Nemet <anemet@caviumnetworks.com>
2419 * rtl.h (truncated_to_mode): Declare it.
2420 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2421 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2422 (RTL_HOOKS_INITIALIZER): Include it.
2423 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2424 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2425 reg_truncated_to_mode.
2426 * rtlanal.c (truncated_to_mode): Define it.
2427 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2429 2006-02-28 Jeff Law <law@redhat.com>
2431 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2432 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2433 the range allowed by TYPE_PRECISION.
2435 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2437 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2439 PR tree-optimization/26419
2440 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2443 2006-02-27 Zack Weinberg <zackw@panix.com>
2445 * doc/md.texi: Fix typo in previous change.
2447 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2451 2006-02-27 Zack Weinberg <zackw@panix.com>
2453 * rtl.def (define_constraint, define_register_constraint)
2454 (define_memory_constraint, define_address_constraint): New MD forms.
2455 * gensupport.c (process_rtx): Put define_constraint etc on the
2457 * genpreds.c (process_define_predicate): Adjust comment. Validate
2458 the name, and call validate_exp to validate the expression.
2459 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2460 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2461 all callers changed.
2462 (validate_exp, needs_variable, struct constraint_data)
2463 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2464 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2465 (const_dbl_constraints, constraint_max_namelen)
2466 (have_register_constraints, have_memory_constraints)
2467 (have_address_constraints, have_address_constraints)
2468 (have_extra_constraints, have_const_int_constraints)
2469 (have_const_dbl_constraints, mangle, add_constraint)
2470 (process_define_constraint, process_define_register_constraint)
2471 (write_enum_constraint_num, write_lookup_constraint)
2472 (write_insn_constraint_len, write_regclass_for_constraint)
2473 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2474 (write_insn_extra_memory_constraint)
2475 (write_insn_extra_address_constraint)
2476 (write_satisfies_constraint_fns): New.
2477 (write_tm_preds_h): If we have new-style constraint definitions,
2478 prototype the functions generated from them, and define the
2479 old constraint interface (still used by generic code) in terms of
2481 (write_insn_preds_c): If we have new-style constraint definitions,
2482 generate all relevant functions from those definitions.
2483 (main): Handle define_constraint etc.
2484 * genoutput.c (struct constraint_data, indep_constraints)
2485 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2486 (mdep_constraint_len): New data structures and functions, defined
2487 #ifdef USE_MD_CONSTRAINTS.
2488 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2489 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2490 use new logic to validate operand constraints against constraint
2492 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2494 * defaults.h: If none of the old-style constraint macros are
2495 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2496 old-style macros; and poison REG_CLASS_FROM_LETTER,
2497 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2499 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2500 * doc/md.texi: Document new constraint-definition mechanism and the
2501 C interface it provides. Remove references to old mechanism
2502 elsewhere in the document.
2503 (Machine Constraints): Use pathnames relative to gcc directory,
2504 i.e. config/ARCH/FILE. Change i386 section to refer to
2505 config/i386/predicates.md; update that section to match docstrings.
2506 * doc/tm.texi: Move all documentation of the old constraint-
2507 definition macros to their own section, clearly mark as obsolete.
2509 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2510 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2512 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2513 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2514 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2516 (splits and peepholes): Use satisfies_constraint_*.
2517 * config/i386/i386.c (memory_address_length)
2518 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2520 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2522 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2523 scalar operation to be put back into the loop.
2525 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2528 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2529 (extract_cie_info): Handle S flag in augmentation string.
2530 (execute_cfa_program): If context->signal_frame, execute also
2531 fs->pc == context->ra instructions.
2532 (uw_frame_state_for): If context->signal_frame, don't subtract one
2533 from context->ra to find FDE.
2534 (uw_update_context_1): Set context->signal_frame to
2536 (_Unwind_GetIPInfo): New function.
2537 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2538 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2540 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2541 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2542 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2543 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2544 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2545 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2546 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2547 x86_64_fallback_frame_state): Set fs->signal_frame.
2548 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2549 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2550 (frob_update_context): Likewise. Workaround missing S flag in
2551 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2552 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2553 Remove the psw_addr + 1 hack.
2555 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2557 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2558 with aggregates here.
2559 (find_func_aliases): Remove code for &<aggregate> from here.
2561 2006-02-26 Roger Sayle <roger@eyesopen.com>
2563 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2564 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2565 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2568 2006-02-26 Roger Sayle <roger@eyesopen.com>
2571 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2573 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2575 * opts.c (decode_options): Do not handle flag_strength_reduce.
2576 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2577 and OPT_fstrength_reduce.
2578 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2579 flag_prefetch_loop_arrays for being nonzero.
2580 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2582 (fprefetch-loop-arrays-rtl): Removed.
2583 (flag_prefetch_loop_arrays): Do not specify the value.
2585 * doc/passes.texi: Update documentation of loop optimizer
2587 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2588 -frerun-loop-opt): Remove.
2590 2006-02-26 Richard Guenther <rguenther@suse.de>
2592 PR tree-optimization/26421
2593 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2594 in function calls that are ADDR_EXPRs as using the whole structure.
2596 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2598 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2599 * tree-pass.h (pass_loop_optimize): Remove.
2600 * passes.c (pass_loop_optimize): Never run it.
2601 * toplev.c (backend_init): Don't call init_loop.
2602 * opts.c (flag_loop_optimize_set): Remove.
2603 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2604 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2605 the old RTL loop optimizer when profiling enabled.
2606 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2607 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2608 pre-headers for the sake of the old RTL loop optimizer.
2609 * Makefile.in: Remove all references to loop.o.
2611 * doc/invoke.texi: Remove all references to -floop-optimize
2612 and -frerun-loop-opt.
2614 2006-02-26 Zack Weinberg <zackw@panix.com>
2616 * doc/md.texi (Machine Constraints): Refer to all files with paths
2617 relative to gcc directory (i.e. config/CPU/file). Add missing
2618 @table @code ... @end table to M32C subsection.
2620 2006-02-26 Roger Sayle <roger@eyesopen.com>
2622 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2624 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2626 2006-02-26 Roger Sayle <roger@eyesopen.com>
2627 James A. Morrison <phython@gcc.gnu.org>
2630 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2631 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2632 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2633 signedness of the shift operation.
2635 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2637 PR tree-optimization/26359
2638 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2640 2006-02-25 Roger Sayle <roger@eyesopen.com>
2642 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2643 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2644 as X == 0, and some symmetry related transformations.
2645 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2647 2006-02-25 Roger Sayle <roger@eyesopen.com>
2650 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2651 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2652 symmetry related transformations. Fold (X^C1) == C2 as
2655 2006-02-25 Juergen Weigert <jw@suse.de>
2656 Richard Guenther <rguenther@suse.de>
2658 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2660 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2662 * combine.c (gen_lowpart_or_truncate): Call
2663 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2665 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2667 * doc/invoke.texi: Move -fopenmp description to "Options for
2669 Remove reference to -lgomp.
2671 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2673 * doc/install.texi: Require GNU tar version 1.14.
2675 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2677 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2678 * doc/invoke.texi (C++ Dialect Options): Document
2679 -fno-use-cxa-get-exception-ptr.
2680 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2681 * configure: Regenerate.
2682 * c.opt (fuse-cxa-get-exception-ptr): New.
2683 * c-opts.c (c_common_handle_option): Handle
2684 OPT_fuse_cxa_get_exception_ptr.
2685 * c-common.c (flag_use_cxa_atexit): Update documentation.
2686 (flag_use_cxa_get_exception_ptr): New.
2687 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2688 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2690 (C_COMMON_OVERRIDE_OPTIONS): New.
2692 2006-02-24 Roger Sayle <roger@eyesopen.com>
2695 * combine.c (try_combine): Explicitly check whether GET_CODE is
2696 a SET or a CLOBBER, instead on checking that it isn't a USE.
2698 2006-02-24 Roger Sayle <roger@eyesopen.com>
2700 * fold-const.c (fold_comparison): New subroutine of fold_binary
2701 containing transformations common to both the equality and
2702 ordering relational operators, factored out of fold_binary.
2703 (fold_binary): Separate out the equality operators (EQ_EXPR
2704 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2705 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2706 transformations common to both.
2707 (fold_div_compare): Fix latent bugs in the previously unreachable
2708 LT_EXPR and GE_EXPR cases.
2710 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2712 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2713 decl libname for clog to __clog on AIX.
2715 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2717 2006-02-24 Alan Modra <amodra@bigpond.net.au>
2720 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
2721 output traceback table for thunks. Localise rs6000_stack_info call.
2723 2006-02-23 Roger Sayle <roger@eyesopen.com>
2724 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2726 * gthr-posix.h (__gthrw): Fix typo in comment.
2728 2006-02-23 Geoffrey Keating <geoffk@apple.com>
2730 * doc/cpp.texi (Character sets): Document that we do support
2731 input files to be in any character set.
2733 2006-02-23 Jeff Law <law@redhat.com>
2735 * tree.h (PHI_ARG_NONZERO): Remove.
2736 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
2737 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
2738 node to the new node.
2740 PR tree-optimization/26425
2741 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
2742 min/max, then assume its varying.
2744 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2746 PR rtl-optimization/26316
2747 * rtlanal.c (enum may_trap_p_flags): New.
2748 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
2749 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
2750 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
2751 (may_trap_after_code_motion_p): New function.
2752 * loop-invariant.c (find_identical_invariants): Fix dump formating.
2753 (find_invariant_insn): Use may_trap_after_code_motion_p.
2754 * rtl.h (may_trap_after_code_motion_p): Declare.
2756 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2758 * emit-rtl.c (immed_double_const): Cleanup.
2760 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
2762 Fix PR tree-optimization/26376
2763 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
2766 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2769 * gimplify.c (omp_add_variable): Guard variable size decl test with
2770 DECL_SIZE (decl) check.
2772 2006-02-23 Richard Guenther <rguenther@suse.de>
2775 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
2776 like aggregate types.
2778 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2780 * configure.ac: Add --with{,out}-long-double-128 configure option.
2781 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
2782 * configure: Rebuilt.
2783 * config.in: Rebuilt.
2784 * doc/install.texi (Options specification): Document
2785 --with-long-double-128.
2787 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2788 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2789 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2790 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2792 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
2794 * config/s390/s390.c (override_options): Handle
2795 TARGET_DEFAULT_LONG_DOUBLE_128.
2797 * config/alpha/alpha.c (override_options): Handle
2798 TARGET_DEFAULT_LONG_DOUBLE_128.
2800 * config/sparc/sparc.c (sparc_override_options): Handle
2801 TARGET_DEFAULT_LONG_DOUBLE_128.
2803 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
2805 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
2806 (real-install-headers-tar, real-install-headers-cpio)
2807 (real-install-headers-cp): New targets.
2809 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2811 * tree.h (variable_section): Delete.
2812 * varasm.c (variable_section): Delete.
2814 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2816 * install.texi: Add notes on install.texi2html.
2817 (Building in parallel): Do not use footnotes.
2819 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2822 * doc/install.texi (Configuration): Document --disable-libgomp.
2824 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2826 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2828 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2830 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2831 (vec_extractv2df_0_sse): New.
2833 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2835 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2836 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2837 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2838 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2839 to the result of the expression.
2840 (def_cfa_1): Adjust.
2841 (frame_pointer_cfa_offset): Rename to...
2842 (frame_pointer_fb_offset): ... this. Adjust all uses.
2843 (convert_cfa_to_loc_list): Rename to...
2844 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2845 Pass it on to build_cfa_loc.
2846 (compute_frame_pointer_to_cfa_displacement): Rename to...
2847 (compute_frame_pointer_to_fb_displacement): ... this. New
2848 offset parameter. Use it in computation.
2849 (gen_subprogram_die): Compute cfa_fb_offset with the new
2850 macro, and use it to compute the fb loc list and the
2853 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2855 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2856 replaced with register_operand.
2857 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2858 non-DREG is expensive.
2859 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2860 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2863 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2865 * doc/install.texi2html: Use set -e.
2867 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2869 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2870 (ASM_OUTPUT_SHARED_LOCAL): Delete.
2871 * doc/invoke.texi (-fshared-data): Delete.
2872 * common.opt (fshared-data): Delete.
2873 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
2874 (assemble_static_space): Remove #if 0 code.
2875 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2876 (ASM_OUTPUT_SHARED_LOCAL): Poison.
2877 * config/cris/cris.h: Remove FIXME.
2879 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
2881 * doc/sourcebuild.texi (Front End Directory): No more double-colon
2884 2006-02-21 Jakub Jelinek <jakub@redhat.com>
2887 * combine.c (simplify_shift_const_1): Disable nested shifts
2888 optimization for vector shifts.
2890 2006-02-20 Roger Sayle <roger@eyesopen.com>
2892 PR tree-optimization/26361
2893 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
2894 of unsigned integer types.
2896 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2898 * tree-chrec.c (eq_evolutions_p): New.
2899 * tree-chrec.h (eq_evolutions_p): Declared.
2900 * tree-data-ref.c: Fix formatting.
2901 (datadep_stats, dependence_stats): New.
2903 (print_direction_vector): New.
2904 (dump_data_dependence_relation): Use print_direction_vector.
2905 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2906 (compute_subscript_distance): Static.
2907 (initialize_data_dependence_relation): Static. Get the number
2908 of loops surrounding the references from the callers, and initialize
2909 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2910 base_object_differ_p analyzers.
2911 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2912 compute_overlap_steps_for_affine_1_2,
2913 analyze_subscript_affine_affine): Count the classified dependences.
2914 Print a message when a test failed.
2915 (can_use_analyze_subscript_affine_affine): New.
2916 (analyze_siv_subscript): Compute the data dependences on symbolic
2917 scevs that verify can_use_analyze_subscript_affine_affine.
2918 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
2919 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
2920 Handle symbolic scevs.
2921 (analyze_overlapping_iterations): Let symbolic affine scevs to be
2923 (subscript_dependence_tester): Moved...
2924 (build_classic_dist_vector, build_classic_dir_vector): Don't use
2925 lambda_vector_clear on newly allocated vectors. Get nb_loops from
2926 DDR_SIZE_VECT instead of getting it in parameter.
2927 (subscript_dependence_tester): ... here. Take as a parameter
2928 loop_nest_depth. Call build_classic_dist_vector and
2929 build_classic_dir_vector.
2930 (compute_affine_dependence): Update subscript_dependence_tester
2931 parameters. Update datadep_stats counters. Call
2932 compute_subscript_distance.
2933 (compute_self_dependence): Save the dist and dir vectors. Call
2934 compute_subscript_distance.
2935 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
2936 (compute_all_dependences): Reorder parameters as they were before
2937 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
2938 compute_subscript_distance. Update the use of
2939 compute_affine_dependence and initialize_data_dependence_relation.
2940 (find_data_references_in_loop): Handle COMPONENT_REF.
2941 (compute_data_dependences_for_loop): Initialize dependence_stats.
2942 Don't call build_classic_dist_vector and build_classic_dir_vector.
2943 Update the parameters of initialize_data_dependence_relation and
2944 compute_all_dependences. Print the statistics from datadep_stats.
2945 (analyze_all_data_dependences): Static. Not used until the pass for
2946 checking the data dependences is contributed.
2947 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
2948 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
2949 (initialize_data_dependence_relation, compute_affine_dependence,
2950 analyze_all_data_dependences, compute_subscript_distance): Removed.
2951 (print_direction_vector): New.
2952 * lambda.h (gcd): ... here.
2953 (lambda_vector_gcd): Moved here from gcd_vector.
2954 * lambda-code.c (gcd, gcd_vector): Removed.
2955 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
2956 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
2958 2006-02-20 Diego Novillo <dnovillo@redhat.com>
2960 * ipa-type-escape.c: Tidy some comments and white space.
2961 * tree-ssa-operands.c: Likewise.
2963 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
2966 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
2967 (dump_decl_name): Do not walk the decl tree chains.
2968 * tree-pass.h (TDF_CHAIN): Remove.
2970 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2972 * Makefile.in (C): Remove
2974 (.PHONY): Remove C and PROTO
2976 2006-02-20 Roger Sayle <roger@eyesopen.com>
2979 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
2980 deprecated CHAR_TYPE tree code.
2982 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2984 * configure.ac (target_list): Add install-info, dvi, html.
2985 * configure: Regenerate.
2987 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
2988 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
2989 treelang/Make-lang.in: Do not use double-colon rules.
2991 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
2993 * tree.h (struct tree_memory_tag): Add is_used_alone member.
2994 (TMT_USED_ALONE): New macro.
2995 * tree-pass.h (PROP_tmt_usage): New property.
2996 (TODO_update_tmt_usage): New todo.
2997 * tree-ssa-alias.c (updating_used_alone): New variable.
2998 (recalculate_used_alone): New function.
2999 (compute_may_aliases): Set updating_used_alone, call
3000 recalculate_used_alone.
3001 * tree-sra.c (pass_sra): Note that this pass destroys
3002 PROP_tmt_usage, and add TODO_update_tmt_usage.
3003 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3004 * tree-flow.h (updating_used_alone): Prototype.
3005 (recalculate_used_alone): Ditto.
3006 * passes.c (execute_todo): Add code to set updating_used_alone,
3007 and call recalculate.
3008 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3009 for clobber if used alone, and add assert to verify used_alone
3012 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3014 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3015 for non tls symbols added.
3016 (legitimize_address): Do nothing for PLUS expressions if one of the
3017 addends is a tls symbol reference.
3019 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3023 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3025 * Makefile.in (BOOTSTRAPPING): New.
3026 (quickstrap): New definition if BOOTSTRAPPING=yes.
3028 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3029 * configure.ac: Substitute all_selected_languages with the languages
3030 that were configured. For all the other variables except
3031 lang_specs_files, include all the languages in the tree.
3032 * configure: Regenerate.
3034 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3035 if there is one. Run the commands to run fixincludes in the same
3038 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3039 * doc/install.texi: Document exact conventions for searching target tools.
3040 Document --with-build-time-tools. Document toplevel bootstrap. Document
3041 something more about building an Ada cross-compiler. Don't list GNU Make
3042 requirements which affect all platforms.
3044 2006-02-19 Roger Sayle <roger@eyesopen.com>
3047 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3048 only equivalent if the have both the same mode and precision.
3050 2006-02-20 Ben Elliston <bje@au.ibm.com>
3052 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3054 2006-02-19 Roger Sayle <roger@eyesopen.com>
3055 Steven Bosscher <stevenb.gcc@gmail.com>
3057 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3058 constant pool references to identify stack mode constants.
3059 * rtlanal.c (constant_pool_constant_p): New predicate to check
3060 whether operand is a floating point constant in the pool.
3061 * rtl.h (constant_pool_constant_p): Prototype here.
3062 * loop.c (scan_loop): Avoid hoisting constants from the constant
3063 pool on STACK_REGS targets.
3064 (load_mems): Likewise.
3065 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3066 loads into x87 registers expensive in terms of register pressure.
3068 2006-02-19 Roger Sayle <roger@eyesopen.com>
3070 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3071 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3073 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3075 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3076 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3078 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3080 * doc/invoke.texi: Document -fipa-pta.
3081 * common.opt: Add ipa-pta option.
3082 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3083 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3084 (do_ds_constraint): Ditto.
3085 (get_constraint_for): Only add to referenced_vars if
3086 referenced_vars exists.
3087 (insert_into_field_list): Rewrite to do this unsorted.
3088 (insert_into_field_list_sorted): Rename old insert_into_field_list
3090 (create_function_info_for): Use insert_into_field_list_sorted.
3091 (create_variable_info_for): Rewrite so it uses unsorted version,
3092 since the field list is sorted.
3093 (intra_create_variable_infos): Only add to referenced_vars if
3094 referenced_vars exists.
3095 (ipa_pta_execute): Init heapvars, and delete when done.
3096 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3098 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3100 * doc/install.texi: Add missing `@samp'.
3102 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3104 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3107 2006-02-18 Mark Wielaard <mark@klomp.org>
3109 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3110 who added new 4.1 features, bug fixes and integration support.
3112 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3115 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3118 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3120 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3121 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3122 (copy_insn_1): Likewise. Don't copy each field individually.
3124 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3126 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3127 * rtl.c (rtx_size): Rename variable to...
3128 (rtx_code_size): ...this.
3129 (rtx_size): New function.
3130 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3131 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3133 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3134 * rtl.h (rtx_code_size): New variable.
3135 (rtx_size): Change from a variable to a function.
3136 (RTX_SIZE): Rename to...
3137 (RTX_CODE_SIZE): ...this.
3140 PR tree-optimization/17106
3141 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3142 (Anchored Addresses): New section.
3143 * doc/invoke.texi (-fsection-anchors): Document.
3144 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3145 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3146 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3147 * hooks.c (hook_bool_mode_rtx_false): New function.
3148 * hooks.h (hook_bool_mode_rtx_false): Declare.
3149 * gengtype.c (create_optional_field): New function.
3150 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3151 SYMBOL_REF_IN_BLOCK_P is true.
3152 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3153 (min_anchor_offset, max_anchor_offset): Likewise.
3154 (use_anchors_for_symbol_p): New hook.
3155 * toplev.c (compile_file): Call output_object_blocks.
3156 (target_supports_section_anchors_p): New function.
3157 (process_options): Check that -fsection-anchors is only used on
3158 targets that support it and when -funit-at-a-time is in effect.
3159 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3160 if the decl doesn't have one.
3161 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3162 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3163 of force_const_mem through use_anchored_address.
3164 (expand_expr_constant): New function.
3165 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3166 calling expand_expr for INDIRECT_REF.
3167 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3168 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3169 * expr.h (use_anchored_address): Declare.
3170 * loop-unroll.c: Don't declare rtx vectors here.
3171 * explow.c: Include output.h.
3172 (validize_mem): Call use_anchored_address.
3173 (use_anchored_address): New function.
3174 * common.opt (-fsection-anchors): New switch.
3175 * varasm.c (object_block_htab, anchor_labelno): New variables.
3176 (hash_section, object_block_entry_eq, object_block_entry_hash)
3177 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3178 (use_blocks_for_decl_p, change_symbol_section): New functions.
3179 (get_variable_section): New function, split out from assemble_variable.
3180 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3181 use_blocks_for_decl_p say so. Use change_symbol_section if the
3182 symbol has already been created.
3183 (assemble_variable_contents): New function, split out from...
3184 (assemble_variable): ...here. Don't output any code for
3185 block symbols; just pass them to place_block_symbol.
3186 Use get_variable_section and assemble_variable_contents.
3187 (get_constant_alignment, get_constant_section, get_constant_size): New
3188 functions, split from output_constant_def_contents.
3189 (build_constant_desc): Create a block symbol if use_object_blocks_p
3190 says so. Or into SYMBOL_REF_FLAGS.
3191 (assemble_constant_contents): New function, split from...
3192 (output_constant_def_contents): ...here. Don't output any code
3193 for block symbols; just pass them to place_section_symbol.
3194 Use get_constant_section and get_constant_alignment.
3195 (force_const_mem): Create a block symbol if use_object_blocks_p and
3196 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3197 (output_constant_pool_1): Add an explicit alignment argument.
3198 Don't switch sections here.
3199 (output_constant_pool): Adjust call to output_constant_pool_1.
3200 Switch sections here instead. Don't output anything for block symbols;
3201 just pass them to place_block_symbol.
3202 (init_varasm_once): Initialize object_block_htab.
3203 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3204 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3205 (place_block_symbol, get_section_anchor, output_object_block)
3206 (output_object_block_htab, output_object_blocks): New functions.
3207 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3208 (TARGET_ASM_OUT): Include it.
3209 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3210 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3211 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3212 (TARGET_INITIALIZER): Include them.
3213 * rtl.c (rtl_check_failed_block_symbol): New function.
3214 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3215 (block_symbol, object_block): New structures.
3216 (rtx_def): Add a block_symbol field to the union.
3217 (BLOCK_SYMBOL_CHECK): New macro.
3218 (rtl_check_failed_block_symbol): Declare.
3219 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3220 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3221 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3222 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3223 * output.h (output_section_symbols): Declare.
3224 (object_block): Name structure.
3225 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3226 (default_use_anchors_for_symbol_p): Declare.
3227 * Makefile.in (RTL_BASE_H): Add vec.h.
3228 (explow.o): Depend on output.h.
3229 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3230 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3231 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3232 (rs6000_use_blocks_for_constant_p): New function.
3234 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3236 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3238 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3241 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3244 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3246 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3250 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3253 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3254 instead of DECL_REGISTER.
3256 2006-02-18 Olivier Hainque <hainque@adacore.com>
3259 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3261 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3264 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3265 * opth-gen.awk: Handle Var and InverseMask together.
3266 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3267 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3268 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3269 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3271 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3272 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3273 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3274 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3275 LINUX_DYNAMIC_LINKER): Define.
3276 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3277 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3279 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3280 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3281 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3282 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3283 (TARGET_C99_FUNCTIONS): Don't define.
3284 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3285 GLIBC_DYNAMIC_LINKER.
3286 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3287 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3288 GLIBC_DYNAMIC_LINKER64): Define.
3289 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3290 LINUX_DYNAMIC_LINKER64.
3291 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3292 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3293 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3294 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3295 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3296 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3297 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3298 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3299 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3300 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3301 and LINUX_DYNAMIC_LINKER32.
3302 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3303 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3304 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3305 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3306 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3308 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3309 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3310 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3311 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3312 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3313 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3314 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3315 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3316 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3317 LINUX_DYNAMIC_LINKER): Define.
3318 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3319 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3320 GLIBC_DYNAMIC_LINKER64): Define.
3321 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3322 LINUX_DYNAMIC_LINKER64.
3323 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3324 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3325 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3326 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3327 LINUX_DYNAMIC_LINKER): Define.
3328 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3329 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3330 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3331 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3332 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3333 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3334 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3335 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3336 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3337 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3338 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3339 * doc/invoke.texi (-muclibc): Remove caveat about supported
3342 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3344 * doc/cpp.texi (__TIMESTAMP__): Document.
3346 2006-02-17 Roger Sayle <roger@eyesopen.com>
3349 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3350 C is one less than the width of X (and related transformations).
3351 * simplify-rtx.c (simplify_unary_operation_1): Transform
3352 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3353 depending on STORE_FLAG_VALUE, were C is one less then the
3356 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3358 Fix PR tree-optimization/26341
3359 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3360 about NAME_MEMORY_TAG's.
3362 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3365 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3366 with hardware float support, and software float support. Add fcpy
3367 alternative to hardware patterns. Add alternatives to copy between
3368 general and floating-point registers to the 32-bit pattern.
3369 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3370 secondary reload to load a QI or HI mode constant into a floating
3372 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3373 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3375 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3378 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3380 (load_macho_picbase_di): Likewise.
3382 2006-02-16 Jeff Law <law@redhat.com>
3384 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3385 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3386 (ssa_name_nonzero_p): Likewise.
3387 (get_value_range): Return NULL if VRP is not running.
3388 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3389 VRP routines do not discover a range.
3390 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3391 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3392 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3393 (tree_expr_nonnegative_p): Similarly.
3394 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3395 (restore_nonzero_vars_to_original_value): Remove.
3396 (unsafe_associative_fp_binop): Remove.
3397 (tree_ssa_dominator_optimize): Remove initialization and
3398 finalization of nonzero_vars and nonzero_vars_stack.
3399 (dom_opt_initialize_block): No longer push marker on
3401 (dom_opt_finalize_block): No longer call
3402 restore_nonzero_vars_to_original_value.
3403 (record_equivalences_from_phis): No longer look for
3404 nonzero PHI arguments.
3405 (cprop_into_successor_phis): No longer propagate nonzero
3406 property into PHI arguments. Lose unused argument. Caller
3408 (record_equivalences_from_stmt): No longer record nonzero
3409 values for SSA_NAMEs.
3410 (lookup_avail_expr): No longer use nonzero_vars.
3412 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3413 for sizetype when sizetype is unsigned.
3415 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3417 PR rtl-optimization/25603
3418 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3419 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3420 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3421 with new meaning of SETS.
3423 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3428 * config/linux.opt: New file.
3429 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3430 LINUX_DYNAMIC_LINKER): Define.
3431 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3432 * config.gcc (*-*-linux*): Define extra_options.
3433 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3434 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3435 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3436 GLIBC_DYNAMIC_LINKER.
3437 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3438 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3439 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3440 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3441 * doc/invoke.texi (GNU/Linux Options): New section.
3443 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3445 * config/sparc/sparc.md (setjmp): Rewrite.
3446 (setjmp_32): Delete.
3447 (setjmp_64): Likewise.
3449 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3451 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3454 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3456 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3459 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3461 PR rtl-optimization/26296
3462 * Makefile.in (loop-invariant.c): Add except.h dependency.
3463 * loop-invariant.c: Include except.h.
3464 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3466 2005-02-16 Paul Brook <paul@codesourcery.com>
3468 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3471 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3473 PR rtl-optimization/25636
3474 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3475 when deciding whether an insn is an initializing insn.
3477 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3479 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3480 (tree_code_size): Ditto.
3481 * tree.h (struct tree_memory_tag): Remove parent_var.
3482 (struct tree_struct_field_tag): New.
3485 (union tree_node): Add sft member.
3486 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3488 (create_sft): Add size and offset argument, set SFT_OFFSET and
3490 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3491 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3492 * tree-flow-inline.h (get_subvar_at): Update for
3493 SFT_OFFSET/SFT_SIZE.
3494 (var_can_have_subvars): Ditto.
3495 (overlap_subvar): Ditto.
3496 * print-tree.c (print_node): Print out interesting things for
3498 * tree-flow.h (struct subvar): Remove offset and size members.
3499 * tree-ssa-operands.c (get_expr_operands): Update for
3500 get_indirect_ref_operands changes.
3501 (get_indirect_ref_operands): Call add_virtual_operand instead of
3502 add_stmt_operand. Only recurse on base var if requested.
3503 (access_can_touch_variable): New function.
3504 (add_stmt_operand): Split virtual operand handling into ...
3505 (add_virtual_operand): Here. Add offset, size, and for_clobber
3506 arguments. Prune alias sets.
3507 (add_call_clobber_ops): Call add_virtual_operand.
3509 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3512 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3514 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3515 than TREE_CODE as index into omp_clause_num_ops array.
3517 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3519 PR rtl-optimization/26184
3520 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3522 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3523 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3524 must_precede, must_follow and tobe_scheduled.
3527 * opts.c (common_handle_option): Free new_option pointer.
3528 * df-core.c (df_analyze): Free postorder pointer.
3530 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3532 * Makefile.in: Fix the examples about the use of stamps
3534 2006-02-15 Michael Matz <matz@suse.de>
3538 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3539 influenced by maximum_field_alignment or DECL_PACKED.
3540 (update_alignment_for_field): Ditto.
3541 (place_field): Ditto.
3542 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3545 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3547 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3548 (debug_flow_info): Pass it.
3549 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3550 * bb-reorder.c (reorder_basic_blocks): Likewise.
3551 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3552 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3553 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3554 * gcse.c (gcse_main, bypass_jumps): Likewise.
3555 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3556 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3557 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3558 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3559 * rtl.h (dump_flow_info): Adjust prototype.
3560 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3561 * var-tracking.c (variable_tracking_main): Likewise.
3562 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3563 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3566 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3568 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3571 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3573 PR tree-optimization/26209
3574 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3575 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3577 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3579 2006-02-14 Roger Sayle <roger@eyesopen.com>
3582 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3583 (X,Y) and the corresponding symmetry related transformations.
3584 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3585 (X,Y) and its symmetry related transformations.
3587 2006-02-14 Roger Sayle <roger@eyesopen.com>
3589 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3592 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3594 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3596 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3599 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3600 support COMDAT group.
3601 * configure: Regenerate.
3603 2006-02-14 Roger Sayle <roger@eyesopen.com>
3608 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3610 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3612 Fix PR tree-optimization/26260
3614 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3616 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3617 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3618 * tree-ssa-structalias.c (create_variable_info_for): Use
3619 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3621 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3623 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3625 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3626 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3627 of the ending condition.
3628 * tree-ssa-loop-manip.c: Include params.h.
3629 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3630 tree_unroll_loop): New functions.
3631 * tree-pass.h (pass_loop_prefetch): Declare.
3632 * loop.c (rest_of_handle_loop_optimize): Test for
3633 -fprefetch-loop-arrays-rtl.
3634 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3635 * timevar.def (TV_TREE_PREFETCH): New timevar.
3636 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3637 pass_loop_prefetch): New.
3638 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3639 (cleanup_tree_cfg_loop): Call scev_reset.
3640 * common.opt (fprefetch-loop-arrays-rtl): Add.
3641 * tree-ssa-loop-prefetch.c: New file.
3642 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3643 (new_temp_expr_table): Initialize expr_vars.
3644 (free_temp_expr_table): Cleanup expr_vars.
3645 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3646 expressions from being merged into one.
3647 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3648 (struct tree_niter_desc): Add control, bound and cmp fields.
3649 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3651 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3652 (tree-cfgcleanup.o): Add SCEV_H dependency.
3653 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3654 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3656 2006-02-14 Richard Guenther <rguenther@suse.de>
3658 PR tree-optimization/26258
3659 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3660 in PHI argument processing.
3662 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3664 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3665 new expression in the requested machine mode.
3667 2006-02-13 Roger Sayle <roger@eyesopen.com>
3669 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3670 directly, instead let do_compare_rtx_and_jump handle this for us.
3671 * expr.c (expand_expr_real_1): Likewise.
3672 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3673 before do_jump_by_parts_greater.
3674 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3675 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3677 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3679 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3681 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3683 PR rtl-optimization/26235
3684 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3685 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3688 2006-02-13 Jeff Law <law@redhat.com>
3690 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3693 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3696 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3697 twice if decl is a builtin. When trying again, call get_callee_fndecl
3698 first to verify it is still a builtin.
3700 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3702 * dwarf2out.c (base_type_die): Don't add AT_name here.
3703 (subrange_type_die): Don't add AT_name here.
3704 (modified_type_die): Rearrange code flow. Do add AT_name here.
3706 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3708 PR rtl-optimization/26247
3709 PR rtl-optimization/26248
3710 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3712 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3714 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3715 * config/fixtfdi.c: Likewise.
3716 * config/fixunstfdi.c: Likewise.
3717 * config/floatditf.c: Likewise.
3719 2006-02-13 Roger Sayle <roger@eyesopen.com>
3722 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
3723 into (X,C2) if C1 is a subset of the bits of C2. Transform
3724 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
3726 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
3728 2006-02-13 Josh Conner <jconner@apple.com>
3731 * varasm.c (function_section): Check for section name before
3732 calling select_section on targets that define
3733 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
3734 unlikely_text_section instead of hot_function_section if
3735 first_function_block_is_cold.
3737 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
3740 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
3742 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3744 PR rtl-optimization/26222
3745 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
3746 after tree->rtl expansion.
3747 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
3748 before passing it to emit_move_insn.
3750 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
3752 * doc/invoke.texi (-Write-strings): Document that it is enabled by
3754 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
3755 Clarify documentation.
3756 * c-common.h (warn_write_strings): Remove.
3757 * c-common.c (warn_write_strings): Likewise.
3758 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
3761 2006-02-12 Roger Sayle <roger@eyesopen.com>
3764 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
3765 (do_jump_parts_zero_rtx): New function renamed from
3766 do_jump_parts_equality_rtx. Made static. Add a mode argument.
3767 (do_jump_parts_equality_rtx): New function split out from
3768 do_jump_parts_equality. Old implementation renamed as above.
3769 Call do_jump_parts_zero_rtx if either operand is zero.
3770 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
3771 do all of the heavy lifting.
3772 (do_compare_rtx_and_jump): Handle multi-word comparisons by
3773 calling either do_jump_by_parts_greater_rtx or
3774 do_jump_by_parts_equality_rtx.
3775 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
3776 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
3777 moved to do_compare_rtx_and_jump, call it directly.
3778 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
3779 mode argument. Call do_compare_rtx_and_jump.
3780 (emit_case_nodes): Update calls to do_jump_if_equal.
3782 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3784 PR rtl-optimization/26225
3785 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
3787 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3789 PR rtl-optimization/26232
3790 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
3792 2006-02-11 Jason Merrill <jason@redhat.com>
3795 * tree-inline.c (declare_return_variable): Just don't use the
3796 modify target if it's a gimple complex reg and the return slot
3799 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3801 * doc/contrib.texi: Update my entry.
3803 2006-02-10 Geoffrey Keating <geoffk@apple.com>
3805 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
3807 2006-02-10 Diego Novillo <dnovillo@redhat.com>
3809 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3812 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3814 * doc/invoke.texi (-floop-optimize2): Removed.
3815 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3816 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3817 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3818 * common.opt (floop-optimize2): Removed.
3819 (fmove-loop-invariants): Enabled by default.
3821 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3823 * tree-if-conv.c (combine_blocks): Free the result of
3824 get_loop_exit_edges.
3826 2006-02-10 Jeff Law <law@redhat.com>
3828 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3830 PR tree-optimization/26213
3831 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3832 loop trying to follow SSA_NAME_VALUE chains.
3834 2006-02-10 Richard Guenther <rguenther@suse.de>
3836 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3837 deal with structures that end in implicitly variable sized arrays.
3839 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3841 PR rtl-optimization/24762
3842 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3845 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3847 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3848 (struct ivopts_data): Add regs_used field.
3849 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3850 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3851 instead of loop_data->regs_used;
3852 (free_loop_data): Do not free aux fields for loops.
3853 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3854 and tree_ssa_iv_optimize_finalize.
3856 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3858 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3860 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3863 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3864 computing the effective result type.
3866 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3869 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
3870 (tree_overlaps_hard_reg_set): Declare.
3871 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
3872 type and signature to match function type expected by walk_tree.
3873 (tree_overlaps_hard_reg_set): New function.
3874 (decl_conflicts_with_clobbers_p): Rename to:
3875 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
3876 Use tree_overlaps_hard_reg_set. Changed caller.
3877 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
3878 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
3879 * cris.c (cris_md_asm_clobbers): Likewise.
3881 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
3883 * reload1.c (emit_input_reload_insns): Delete code that tries to
3884 inherit using find_equiv_reg.
3886 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3888 * c-common.h (flag_const_strings): Don't declare.
3889 * c-common.c (flag_const_strings): Remove.
3890 * c.opt (fconst_strings): Remove.
3891 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
3892 <OPT_Wwrite_strings>: Don't set flag_const_strings.
3893 (c_common_init_options): Don't set flag_const_strings.
3894 * doc/invoke.texi (-fno-const-strings): Remove documentation.
3896 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3898 * arm.md (tlobits_cbranch): New pattern.
3899 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3900 testing a single bit.
3902 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3905 * tree-ssa-pre.c (create_component_ref_by_pieces):
3906 Handle RETURN_DECL like VAR_DECL.
3908 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3911 * fold-const.c (fold_indirect_ref_1): Fold
3912 "*(foo *)&complexfoo" to "__real__ complexfoo"
3913 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3915 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3917 * tree-flow-inline.h (var_can_have_subvars):
3918 Volatile variables should not have subvariables.
3920 2006-02-09 Diego Novillo <dnovillo@redhat.com>
3923 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
3924 multiplying unsigned values.
3927 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3929 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
3931 2006-02-08 Jason Merrill <jason@redhat.com>
3934 * tree.def: Elaborate on difference from MODIFY_EXPR.
3935 * doc/c-tree.texi (INIT_EXPR): Likewise.
3936 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
3937 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
3938 (gimplify_target_expr): Likewise.
3939 (gimplify_cond_expr): Remove target handling.
3940 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
3941 (gimplify_expr): Clobber it here.
3942 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
3943 Do return slot optimization if we have an INIT_EXPR.
3946 * tree-inline.c (declare_return_variable): Also clear
3947 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
3950 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
3953 * gimplify.c (gimplify_one_sizepos): Fix typo.
3955 2006-02-08 Jeff Law <law@redhat.com>
3957 PR tree-optimization/21417
3958 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
3959 across a backedge if the control statement at the end of the
3960 block is data dependent on other statements in the same block.
3961 (record_temporary_equivalences_from_stmts): Remove over-conservative
3962 test for threading across backedges.
3964 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
3965 control statement, handle all three special cases in the same
3966 manner as they all have the same desired solution. No longer
3967 special case edge flag updating when the post dominator is
3970 2006-02-08 Roger Sayle <roger@eyesopen.com>
3972 * tree.def (CHAR_TYPE): Remove.
3973 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
3974 * dwarf2out.c (base_type_die, is_base_type): Likewise.
3975 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
3976 (gen_string_type_die): Delete unreachable function.
3978 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
3979 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
3980 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
3981 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
3982 * builtins.c (type_to_class): Likewise.
3983 * fold-const.c (fold_convert, build_range_check,
3984 merge_ranges): Likewise.
3985 * expr.c (count_type_elements): Likewise.
3986 * c-pretty-print.c (pp_c_type_specifier): Likewise.
3987 * stor-layout.c (layout_type): Likewise.
3988 * ipa-type-escape.c (type_to_consider): Likewise.
3989 * gimplify.c (omp_firstprivatize_type_sizes,
3990 gimplify_type_sizes): Likewise.
3991 * explow.c (promote_mode): Likewise.
3992 * tree-sra.c (is_sra_scalar_type): Likewise.
3993 * varasm.c (output_constant): Likewise.
3994 * tree-inline.c (remap_type_1): Likewise.
3995 * convert.c (convert_to_pointer, convert_to_real,
3996 convert_to_integer, convert_to_complex): Likewise.
3998 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4000 * df-scan.c (df_def_record_1): A set destination may
4001 be a parallel regardless of mode.
4003 2006-02-08 Roger Sayle <roger@eyesopen.com>
4006 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4007 * config/mips/_tilib.c: Remove.
4008 * config/fixtfdi.c: New libgcc source file.
4009 * config/fixunstfdi.c: New source file.
4010 * config/floatditf.c: New source file.
4011 * config/floatunditf.c: New souce file.
4012 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4013 files above instead of config/mips/_tilib.c.
4014 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4016 2006-02-08 Jeff Law <law@redhat.com>
4018 PR tree-optimization/26169
4019 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4022 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4024 * df.h (DF_REG_SIZE): Return the length of the initialized
4027 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4029 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4030 __muldf3): Return a correctly signed zero.
4032 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4034 * passes.c (register_one_dump_file): Accept the current properties
4035 instead of pass number. Adjust call to dump_register. Remove
4037 (register_dump_files): Now a wrapper around...
4038 (register_dump_files_1): ... this one. Do not modify the pass
4040 (next_pass_1): Cosmetic fix.
4041 (execute_todo): Keep second parameter only. Use curr_properties
4042 instead of fetching it from the pass structure. Check and set
4044 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4045 instead of fetching it from the pass structure. Fix calls to
4046 execute_todo. Update curr_properties and initialize .vcg RTL dump
4047 after running the pass. Reset last_verified.
4048 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4050 (FIRST_AUTO_NUMBERED_DUMP): New.
4051 (dump_register): Remove "num" parameter, assign it within the
4053 (get_dump_file_name): Modify template for dumps.
4054 * tree-dump.h (dump_register): Adjust prototype.
4055 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4056 (PROP_trees): Add PROP_gimple_lomp.
4057 (TODO_set_props): New.
4058 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4059 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4060 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4062 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4064 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4065 (sparc64-*-linux*): Likewise.
4066 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4067 * config/sparc/t-linux: New file.
4068 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4069 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4070 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4071 -m32 -mlong-double-128.
4073 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4074 * config/alpha/t-linux: New file.
4075 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4077 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4078 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4079 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4080 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4081 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4082 (CPP_ARCH32_SPEC): Remove.
4084 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4086 PR tree-optimization/26145
4087 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4090 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4093 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4094 >= 240000 when generating code for SOM runtime.
4095 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4096 to $$dyncall when generating code for SOM runtime..
4098 2006-02-07 Dirk Mueller <dmueller@suse.com>
4101 * doc/invoke.texi (-Wsequence-point): Update documentation
4102 that -Wsequence-point is implemented for C++ as well.
4104 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4106 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4107 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4108 (LIB_SPEC): Likewise.
4109 * doc/invoke.texi (SPARC options): Document -pthread.
4111 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4113 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4116 2006-02-07 Roger Sayle <roger@eyesopen.com>
4118 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4119 Correct comment describing BOOLEAN_TYPE.
4121 2006-02-07 Dirk Mueller <dmueller@suse.com>
4123 * c.opt: C++ frontend supports -Wdiv-by-zero.
4124 * c-opts.c (c_common_handle_option): Remove dead case.
4126 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4128 * configure.ac (TLS assembler check): Do not enable TLS by
4129 default on SPARC/Solaris before version 10.
4130 * configure: Regenerate.
4132 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4134 * doc/invoke.texi (xl-compat): Document conversion and support
4137 2006-02-07 Jeff Law <law@redhat.com>
4139 * tree-vrp.c (find_conditional_asserts): Update comments.
4140 (simplify_stmt_for_jump_threading): New.
4141 (identify_jump_threads, finalize_jump_threads): New.
4142 (vrp_finalize): Call identify_jump_threads.
4143 (execute_vrp): Call finalize_jump_threads.
4144 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4145 (vrp_element, vrp_data, vrp_element_p): Remove.
4146 (vrp_hash_elt, vrp_variables_stack): Remove.
4147 (vrp_hash, vrp_eq, record_range): Remove.
4148 (simplify_cond_and_lookup_avail_expr): Remove.
4149 (extract_range_from_cond): Remove.
4150 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4151 (simplify_stmt_for_jump_threading): New.
4152 (dom_thread_across_edge): New wrapper.
4153 (tree_ssa_dominator_optimize): No longer initialize or
4154 finalize any of the VRP datastructures. Remove iteration
4155 step and simplify as a result of removal of iteration step.
4156 (pass_dominator): Perform a cfg cleanup after DOM.
4157 (dom_opt_finalize_block): Use the new common routines
4158 for threading jumps. Simplify stack management slightly.
4159 No longer need to unwind VRP state.
4160 (record_equivalences_from_incoming_edge): No longer record
4162 (eliminate_redundant_computations): No longer call
4163 simplify_cond_and_lookup_avail_expr.
4164 * tree-flow.h (potentially_threadable_block): Prototype.
4165 (thread_across_edge): Likewise.
4166 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4167 (tree-ssa-threadedge.o): Add dependencies.
4168 * tree-ssa-threadedge.c: New file.
4169 * passes.c (init_optimization_passes): Merge PHIs before
4170 calling VRP. Run VRP again late in the SSA optimization pipeline.
4172 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4174 * df-core.c (df_set_blocks): Do not dereference function pointers.
4175 (df_finish1): Likewise.
4176 (df_hybrid_search_forward): Likewise.
4177 (df_hybrid_search_backward): Likewise.
4178 (df_iterative_dataflow): Likewise.
4179 (df_analyze_problem): Likewise.
4180 (df_compact_blocks): Likewise.
4181 (df_dump): Likewise.
4182 * df-scan.c (df_rescan_blocks): Likewise.
4183 (df_record_entry_block_defs): Likewise.
4185 * genconditions.c (write_conditions): Guard the definition of
4186 'insn_conditions' with the check on GCC version.
4187 (write_writer): Guard the traversal 'insn_conditions' with
4188 the check on GCC version.
4190 2006-02-07 Richard Guenther <rguenther@suse.de>
4194 2006-01-30 Richard Guenther <rguenther@suse.de>
4196 * gimplify.c (gimplify_target_expr): Handle easy cases
4197 without creating a temporary.
4199 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4201 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4202 use of float in probability computations. Use edge probabilities
4203 in place of statically computed probabilities.
4204 (min_spec_prob): New static variable.
4205 (schedule_insns): Initialize it.
4206 (GET_SRC_PROB): Removed.
4207 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4209 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4212 * config/ia64/unwind-ia64.c: Revert last change.
4213 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4214 (INCOMING_FRAME_SP_OFFSET): Define.
4216 2006-02-06 Roger Sayle <roger@eyesopen.com>
4218 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4220 2006-02-07 Ben Elliston <bje@au.ibm.com>
4222 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4223 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4224 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4225 (ix86_return_in_memory): Handle TDmode.
4226 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4227 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4229 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4231 * reorg.c (dbr_schedule): Use dump_file instead of file.
4233 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4236 * config/ia64/predicates.md (extr_len_operand): New predicate.
4237 * config/ia64/ia64.md (extv): Tighten constraints.
4239 (*tbit_and_2): Ditto.
4240 (*tbit_and_3): Ditto.
4241 (*tbit_or_2): Ditto.
4242 (*tbit_or_3): Ditto.
4246 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4249 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4251 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4253 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4254 loop_optimizer_init and loop_optimizer_finalize
4255 * tree-ssa-sink.c (execute_sink_code): Ditto.
4256 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4257 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4258 tree_ssa_loop_done): Ditto.
4259 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4260 * sched-ebb.c: Include output.h.
4261 (schedule_ebbs): Do not use dump argument.
4262 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4263 * loop.c (loop_dump_stream): Removed.
4264 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4266 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4267 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4268 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4269 loop_iterations, strength_reduce, record_biv, record_giv,
4270 final_giv_value, check_final_value, check_ext_dependent_givs,
4271 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4272 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4273 dump_file instead of loop_dump_stream.
4274 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4276 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4278 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4279 * haifa-sched.c: Include output.h
4280 (schedule_insns, sched_init): Do not use dump argument.
4281 * mode-switching.c (optimize_mode_switching): Ditto.
4282 * modulo-sched.c (stats_file): Removed.
4283 (print_node_sched_params): Do not call argument dump_file.
4284 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4285 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4287 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4289 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4290 rtl_loop_init, rtl_loop_done): Ditto.
4291 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4292 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4294 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4295 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4296 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4297 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4298 * emit-rtl.c (renumber_insns): Ditto.
4299 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4300 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4301 * regclass.c (regclass): Ditto.
4302 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4303 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4304 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4305 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4307 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4308 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4310 * gcse.c (gcse_file, debug_stderr): Removed.
4311 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4312 rest_of_handle_gcse): Do not use dump argument.
4313 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4314 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4315 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4316 compute_code_hoist_vbeinout, compute_code_hoist_data,
4317 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4318 compute_store_table, build_store_vectors, insert_insn_start_bb,
4319 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4320 store_motion): Use dump_file instead of gcse_file.
4321 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4322 * profile.c (profile_dump_file): Removed.
4323 (branch_prob): Use dump_file instead of profile_dump_file.
4324 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4326 * tree-ssa-copy.c (dump_copy_of): Ditto.
4327 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4328 dump file to life_analysis.
4329 * bt-load.c (branch_target_load_optimize): Ditto.
4330 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4332 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4333 regclass, dbr_schedule): Declaration changed.
4334 * sched-int.h (sched_init): Declaration changed.
4335 * tree-profile.c (tree_profile_dump_file): Removed.
4336 (tree_profile_hooks): Removed profile_dump_file hook.
4337 * rtl-profile (rtl_profile_dump_file): Removed.
4338 (rtl_profile_hooks): emoved profile_dump_file hook.
4339 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4341 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4342 * tree-cfg.c (build_tree_cfg): Ditto.
4343 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4344 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4345 Declaration changed.
4346 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4347 life_analysis and schedule_insns.
4348 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4350 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4352 * config/mips/mips.c (mips_reorg): Ditto.
4353 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4356 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4358 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4359 (s390_mangle_fundamental_type): New.
4360 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4363 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4364 (alpha_mangle_fundamental_type): New.
4365 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4368 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4370 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4372 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4373 (sparc_mangle_fundamental_type): New.
4375 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4377 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4378 (s390x-*-linux*): Likewise.
4379 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4380 * config/s390/t-linux: New file.
4382 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4384 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4385 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4387 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4389 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4390 (ANTIC_SAFE_LOADS): New macro.
4391 (find_or_generate_expression): Add prototype.
4392 (set_contains_value): Allow null set for sake of not always having
4393 to allocate ANTIC_SAFE_LOADS.
4394 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4395 Allow COMPONENT_REF too.
4396 (valid_in_set): Allow COMPONENT_REF.
4397 Check ANTIC_SAFE_LOADS too.
4398 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4399 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4401 (can_PRE_operation): Add COMPONENT_REF.
4402 (create_component_ref_by_pieces): New function.
4403 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4404 (insert_aux): Move AGGREGATE_TYPE_P check here.
4405 (compute_avail): Set bb local stmt uids.
4406 (pass_pre): Use TODO_update_ssa_only_virtuals.
4408 2006-02-06 Ben Elliston <bje@au.ibm.com>
4410 * configure.ac: Unconditionally disable decimal float by default.
4411 * configure: Regenerate.
4413 2006-02-06 Ben Elliston <bje@au.ibm.com>
4415 * read-rtl.c (read_name): Terminate reading on EOF.
4417 2006-02-06 Ben Elliston <bje@au.ibm.com>
4419 * dfp.c (decimal_real_arithmetic): Change second argument type
4420 from int to enum tree_code. Do not always return true, but now
4421 return result of any call to decimal_do helper functions.
4422 * dfp.h (decimal_real_arithmetic): Update prototype.
4424 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4426 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4428 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4431 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4434 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4436 * tree-vrp.c (cfg_loops): Removed.
4437 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4438 Use current_loops instead of cfg_loops. Pass flags to
4439 loop_optimizer_init.
4440 * cfgloopmanip.c (fix_loop_structure): Update only available
4442 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4443 loop_optimizer_init.
4444 * modulo-sched.c (build_loops_structure): Removed.
4445 (sms_schedule): Use loop_optimizer_init.
4446 * loop-init.c (loop_optimizer_init): Use flags to determine
4447 which properties of loops to prepare.
4448 (rtl_loop_init): Pass flags to loop_optimizer_init.
4449 * tree-ssa-sink.c (execute_sink_code): Ditto.
4450 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4451 * tree-ssa-pre.c (init_pre): Ditto.
4452 * cfgloop.h (LOOPS_NORMAL): New.
4453 (loop_optimizer_init): Declaration changed.
4455 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4457 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4458 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4460 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4462 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4464 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4465 * pa/t-pa64: Delete quadlib.c rule.
4466 * pa/x-ada: Revert last change.
4467 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4469 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4471 PR rtl-optimization/26087
4472 * rtlanal.c (canonicalize_condition): Do not cross basic block
4475 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4478 * config/ia64/ia64.c: Include debug.h.
4479 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4480 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4481 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4482 (process_epilogue, process_set, process_for_unwind_directive):
4483 Output unwind info only if requested. Add CFA info if requested.
4484 Add new arguments as needed. Adjust callers.
4485 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4487 (DWARF2_FRAME_INFO): Define to zero.
4488 * config/ia64/unwind-ia64.c: Remove code that compensated for
4489 the CFA offset error fixed above.
4490 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4491 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4492 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4493 -funwind-tables and -fexceptions to enable frame info.
4494 (dwarf2out_frame_init): Define initial CFA even if
4495 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4496 DWARF2_UNWIND_INFO is nonzero, not just defined.
4497 (dwarf2out_frame_finish): Output non-EH call frame info only
4498 if DWARF2_FRAME_INFO is nonzero.
4499 (convert_cfa_to_loc_list,
4500 compute_frame_pointer_to_cfa_displacement): Define even if
4501 unwind info is not supported.
4502 (gen_subprogram_die): Use the above unconditionally. Remove
4503 legacy alternate code.
4504 * toplev.c (compile_file): Compile in call to
4505 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4506 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4508 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4509 Jakub Jelinek <jakub@redhat.com>
4511 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4512 IBM extended float format long double as "g" on powerpc*-linux.
4514 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4517 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4518 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4520 2006-02-03 Jason Merrill <jason@redhat.com>
4523 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4526 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4527 on the return slot if it's an NRV.
4529 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4531 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4532 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4533 rewrite_use): Do not handle USE_OUTER.
4534 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4535 add_iv_outer_candidates, may_replace_final_value,
4536 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4537 (find_interesting_uses_op): Functionality of
4538 find_interesting_uses_outer_or_nonlin moved here.
4539 (find_interesting_uses_outside): Use find_interesting_uses_op.
4541 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4544 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4546 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4547 Ulrich Weigand <uweigand@de.ibm.com>
4550 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4551 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4552 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4553 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4555 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4556 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4557 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4558 Define secondary reloads for TFmode moves.
4559 (constant_modes): Add TFmode.
4560 (NR_C_MODES): Set to 8.
4561 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4563 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4564 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4565 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4566 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4567 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4568 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4569 (FPR mode macro): Add TFmode.
4570 (DSF mode macro): New.
4571 (<de>, <dee> mode attributes): Removed.
4572 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4573 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4574 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4575 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4576 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4577 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4578 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4579 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4580 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4581 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4582 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4583 "*negabs<mode>2", "sqrt<mode>2"):
4584 Changed <de> to <xde>. R constraint replaced by <Rf>.
4585 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4587 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4588 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4589 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4591 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4592 "extenddftf2", "extendsftf2"): New expanders.
4593 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4594 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4595 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4596 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4598 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4599 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4600 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4601 __floatditf): Add a GCC_4.1.0 symbol version tag.
4602 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4605 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4608 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4609 Use targetm.binds_local_p instead of TREE_PUBLIC.
4611 2006-02-02 Roger Sayle <roger@eyesopen.com>
4613 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4614 on INTEGER_TYPEs to indicate that it denotes a character type.
4615 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4616 signed_char_type_node, unsigned_char_type_node and char_type_node.
4617 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4618 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4619 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4621 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4622 Daniel Berlin <dberlin@dberlin.org>
4624 * tree-tailcall.c (arg_needs_copy_p): New function.
4625 (eliminate_tail_call): Use arg_needs_copy_p.
4626 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4627 (add_virtual_phis): New function.
4629 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4631 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4632 #ignore instead of #scratch for %g7 .register directive.
4634 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4636 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4639 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4641 * flow.c (calculate_global_regs_live): Assert that there aren't any
4644 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4646 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4648 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4649 bsi_after_labels iterator.
4650 * tree-if-conv.c (find_phi_replacement_condition,
4651 replace_phi_with_cond_modify_expr): Likewise.
4652 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4653 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4655 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4657 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4659 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4662 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4663 array after growing it.
4665 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4668 * fold-const.c (fold_checksum_tree): Change type of buf.
4670 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4672 * reload.c (push_secondary_reload): Initialize t_icode.
4674 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4676 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4677 -msoft-float -mlong-double-128 only issue a warning, but don't
4678 swich to DFmode long double.
4680 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4682 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4683 has a constant equivalent, iterate over equivalents for arg0,
4684 calling simplify_relational_operation and if there's a result
4685 cheaper than X, apply fold_rtx and return the result.
4687 2006-02-01 Jan Hubicka <jh@suse.cz>
4689 * opts.c (no_unit_at_a_time_default): New global variable.
4690 (decode_options): Use it.
4691 * opts.h (no_unit_at_a_time_default): Declare.
4693 2006-02-01 Paul Brook <paul@codesourcery.com>
4695 * function.c (assign_parm_setup_reg): Use function argument promotion
4697 * expr.c (expand_expr_real_1): Use function argument promotion rules
4700 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4702 * gcc.c (process_command): Change j to 'unsigned int'.
4704 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4707 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4708 Use the corrected index for the character
4709 out of the string constant.
4711 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4713 * mode-switching.c (optimize_mode_switching): Fix size
4714 allocated for bb_info[n_entities].
4716 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4718 * gcc.c (main): Correct type that is allocated for
4719 explicit_link_files.
4721 2006-01-31 Jakub Jelinek <jakub@redhat.com>
4723 * config/s390/s390.c (init_alignment_context): Set
4724 ALIAS_SET_MEMORY_BARRIER on the MEM.
4725 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
4727 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
4730 * loop-unroll.c (unroll_loop_runtime_iterations): Free
4732 * tree-ssa-live.c (type_var_init): Allocate bitmap after
4735 2006-01-31 Marcin Dalecki <martin@dalecki.de>
4737 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
4738 * regrename.c: Ditto.
4739 * tree-ssa-loop-im.c: Ditto.
4740 * tree-dump.c: Ditto.
4741 * tree-complex.c: Ditto.
4742 * genrecog.c: Ditto.
4743 * tree-ssa-threadupdate.c: Ditto.
4745 * java/class.c: Ditto.
4746 * java/jcf-parse.c: Ditto.
4747 * java/resource.c: Ditto.
4748 * java/except.c: Ditto.
4749 * java/jvspec.c: Ditto.
4750 * java/jcf-write.c: Ditto.
4751 * java/jcf-path.c: Ditto.
4752 * java/gjavah.c: Ditto.
4753 * java/zextract.c: Ditto.
4754 * java/jcf-io.c: Ditto.
4755 * java/jcf.h: Ditto.
4756 * java/buffer.c: Ditto.
4757 * java/lang.c: Ditto.
4758 * java/parse-scan.y: Ditto.
4759 * java/lex.c: Ditto.
4760 * java/lex.h: Ditto.
4761 * cfgloopmanip.c: Ditto.
4762 * postreload-gcse.c: Ditto.
4763 * tree-ssa-loop-manip.c: Ditto.
4764 * postreload.c: Ditto.
4765 * tree-ssa-loop-ch.c: Ditto.
4769 * diagnostic.c: Ditto.
4771 * genoutput.c: Ditto.
4773 * cfghooks.c: Ditto.
4774 * cfgloopanal.c: Ditto.
4775 * objc/objc-act.c: Ditto.
4777 * genextract.c: Ditto.
4778 * genautomata.c: Ditto.
4779 * pretty-print.c: Ditto.
4781 * cgraphunit.c: Ditto.
4784 * haifa-sched.c: Ditto.
4785 * dominance.c: Ditto.
4787 * tree-ssa-loop-ivopts.c: Ditto.
4789 * mode-switching.c: Ditto.
4790 * modulo-sched.c: Ditto.
4792 * ipa-pure-const.c: Ditto.
4794 * fix-header.c: Ditto.
4796 * tree-stdarg.c: Ditto.
4797 * ipa-utils.c: Ditto.
4798 * loop-init.c: Ditto.
4799 * ipa-inline.c: Ditto.
4802 * alloc-pool.c: Ditto.
4803 * dwarf2out.c: Ditto.
4805 * genattrtab.c: Ditto.
4806 * tree-ssa-loop-ivcanon.c: Ditto.
4810 * fortran/gfortranspec.c: Ditto.
4812 * local-alloc.c: Ditto.
4813 * langhooks.c: Ditto.
4814 * function.c: Ditto.
4815 * tree-vectorizer.c: Ditto.
4817 * ipa-type-escape.c: Ditto.
4819 * tree-if-conv.c: Ditto.
4822 * tree-data-ref.c: Ditto.
4823 * loop-unroll.c: Ditto.
4824 * treelang/treetree.c: Ditto.
4827 * ggc-common.c: Ditto.
4829 * coverage.c: Ditto.
4831 * tree-cfgcleanup.c: Ditto.
4832 * tree-ssa-pre.c: Ditto.
4833 * cfgcleanup.c: Ditto.
4834 * loop-invariant.c: Ditto.
4836 * ipa-prop.c: Ditto.
4837 * print-tree.c: Ditto.
4838 * conflict.c: Ditto.
4839 * ggc-page.c: Ditto.
4840 * sched-deps.c: Ditto.
4841 * regclass.c: Ditto.
4842 * tree-object-size.c: Ditto.
4844 * bb-reorder.c: Ditto.
4845 * resource.c: Ditto.
4846 * var-tracking.c: Ditto.
4848 * df-problems.c: Ditto.
4849 * reg-stack.c: Ditto.
4852 * sched-rgn.c: Ditto.
4853 * tree-ssa-structalias.c: Ditto.
4854 * tree-ssa-reassoc.c: Ditto.
4855 * config/darwin-c.c: Ditto.
4856 * config/darwin.c: Ditto.
4857 * config/arm/arm.c: Ditto.
4859 * collect2.c: Ditto.
4862 2006-01-31 Nicolas Pitre <nico@cam.org>
4864 * arm.md (smaxsi3): Make aware of smax_m1.
4867 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4869 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
4871 2006-01-31 Richard Guenther <rguenther@suse.de>
4873 * doc/invoke.texi (-msselibm): Document.
4874 * target.h (expand_library_builtin): New target hook.
4875 * builtins.c (expand_builtin): Use expand_library_builtin.
4876 (default_expand_library_builtin): New function.
4877 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4878 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4879 (link_gcc_math_spec): Declare.
4880 (static_specs): Add link_gcc_math_spec.
4881 * expr.h (default_expand_library_builtin): Declare.
4882 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4883 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4884 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4885 * config/i386/i386.opt (msselibm): New target option.
4886 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4887 (ix86_init_sse_abi_builtins): New function.
4888 (ix86_expand_library_builtin): Likewise.
4889 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4890 (override_options): Handle error conditions wrt -msselibm.
4891 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4892 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4893 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4896 2006-01-31 Richard Guenther <rguenther@suse.de>
4897 Paolo Bonzini <bonzini@gnu.org>
4899 * doc/install.texi (--disable-libgcc-math): Document.
4901 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4903 * expr.h (expand_normal): new inline function.
4904 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4906 * dwarf2out.c: use it.
4911 * config/sparc/sparc.c: use it.
4912 * config/i386/i386.c: use it.
4913 * config/rs6000/rs6000.c: use it.
4914 * config/arm/arm.c: use it.
4915 * config/mips/mips.c: use it.
4916 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4918 2006-01-30 Roger Sayle <roger@eyesopen.com>
4920 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4921 argv to the appropriate type.
4923 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
4925 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
4928 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
4931 * config/s390/s390.c (struct machine_function): New flag
4932 decomposed_literal_pool_addresses_ok_p.
4933 (s390_reorg): Set it before final stage of literal pool transforms.
4934 (s390_decompose_address): Only accept displacements of the form
4935 (minus (label_ref ...) (label_ref ...)) if that flag is set.
4937 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
4939 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
4940 the comparison routine return.
4942 2006-01-30 Michael Matz <matz@suse.de>
4944 * global.c (find_reg): Only evict for global regs.
4945 Take n_refs into account and dump more info.
4947 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
4950 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
4951 (pragma_trap, pragma_nosave_low_regs): Likewise.
4952 (current_function_anonymous_args): Likewise.
4953 (sh_deferred_function_attributes): New variable.
4954 (sh_deferred_function_attributes_tail): Likewise.
4955 (print_operand): For '@', look up trap_exit attribute.
4956 (calc_live_regs): Look up trapa_handler attribute. For trapa
4957 handlers, save/restore fpscr, but don't do any other
4958 interrupt-specific saves.
4959 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
4960 Fix check for partially saved registers to check for SHmedia.
4961 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
4962 (sh_output_function_epilogue): Don't clear any of the removed
4964 (sh_insert_attributes): Don't check pragma_interrupt.
4965 Insert deferred attributes. Check that interrupt attribute is
4966 present for other attributes that require its presence.
4967 (sh_attribute_table): Add new attributes trapa_handler and
4969 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
4970 Don't check for pragma_interrupt. Don't store argument.
4971 * sh.h (pragma_interrupt, sp_switch): Don't declare.
4972 (sh_deferred_function_attributes): Declare.
4973 (sh_deferred_function_attributes_tail): Likewise.
4974 * sh.md (sp_switch_1): Add operand. Change generator caller.
4975 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
4976 (*return_i): Don't use when trap_exit attribute is in effect.
4977 (*return_trapa): New insn pattern.
4979 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
4980 setting c_target_objs and cxx_target_objs.
4981 * t-sh: Add rule for sh-c.o.
4983 2006-01-30 Richard Guenther <rguenther@suse.de>
4986 * gimplify.c (gimplify_target_expr): Handle easy cases
4987 without creating a temporary.
4989 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
4991 * vec.h (safe_grow): Remove duplicated line.
4993 2006-01-29 Diego Novillo <dnovillo@redhat.com>
4996 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
4997 (expand_omp): ... here.
4998 (expand_omp_parallel): Only remove barriers for combined
4999 parallel+workshare constructs.
5001 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5005 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5006 * tree.c (build_qualified_type): Chain the new type to the original
5007 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5008 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5009 (build_pointer_type_for_mode): Only return unqualified types.
5010 (build_reference_type_for_mode): Likewise.
5012 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5014 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5015 * Makefile.in (CXX_COMPAT_WARN): Define.
5016 * configure: Regenerate.
5018 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5021 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5024 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5026 * toplev.c: Fix thinko.
5028 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5029 Marcin Dalecki <martin@dalecki.de>
5031 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5032 (push_srcloc): Use XNEW.
5033 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5035 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5037 * df-core.c (df_set_blocks): Deleted all variable.
5039 2006-01-28 Ian Lance Taylor <ian@airs.com>
5041 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5042 cgraph_output_pending_asms.
5044 2006-01-28 Zack Weinberg <zackw@panix.com>
5046 * c.opt: Add -W(no-)overlength-strings.
5047 * doc/invoke.texi: Document it.
5048 * c-opts.c (c_common_handle_option): -pedantic implies
5049 -Woverlength-strings, if not explicitly disabled already.
5050 (c_common_post_options): -Woverlength-strings defaults to off, and
5051 is always off for C++.
5052 * c-common.c (fix_string_type): Issue warning about strings longer
5053 than is portable only if warn_overlength_strings. Rearrange code
5054 a little for clarity.
5055 * configure.in: Check for -Wno-overlength-strings as well before
5056 enabling -pedantic in stage 1.
5057 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5058 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5060 * genconditions.c (write_header, write_one_condition)
5061 (write_conditions, write_writer): Consolidate very long strings
5062 that were broken up to fit in C89 portable limit. Don't use
5063 printf when fputs will do.
5065 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5067 * combine.c (simplify_comparison <AND>): Check
5068 TRULY_NOOP_TRUNCATION before start using a subreg.
5070 * config/mips/mips.md (*branch_zero<mode>,
5071 *branch_zero<mode>_inverted, *branch_equality<mode>,
5072 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5073 Remove mode check from comparisons.
5075 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5077 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5079 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5081 * expmed.c (const_mult_add_overflow_p): Remove.
5082 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5084 * recog.c (validate_replace_rtx_subexp): Remove.
5085 * recog.h: Remove the prototype for
5086 validate_replace_rtx_subexp.
5088 * integrate.h: Remove the prototype for
5089 copy_decl_for_inlining.
5090 * rtl.h: Remove the prototype for mark_constant_function.
5091 * tree-vectorizer.h: Remove the prototype for
5092 vect_strip_conversion.
5094 * modulo-sched.c (create_partial_schedule,
5095 free_partial_schedule, reset_partial_schedule): Make them
5098 * hooks.c (hook_bool_rtx_int_false): Remove.
5099 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5101 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5103 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5104 and -mlong-double-128 are incompatible.
5105 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5106 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5107 (TARGET_LIBGCC2_CFLAGS): Define.
5108 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5109 (TARGET_LIBGCC2_CFLAGS): Same.
5110 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5112 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5115 * c-typeck.c (build_binary_op): Perform implicit casts of
5116 operands before shortening them.
5118 * cfgloopmanip.c (split_loop_bb): Remove.
5119 * cfgloop.h: Remove the prototype for split_loop_bb.
5121 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5122 * cfgloop.h: Remove the prototype for
5123 flow_loop_outside_edge_p.
5125 * emit-rtl.c (init_virtual_regs): Make it static.
5126 * function.h: Remove the prototype for init_virtual_regs.
5128 * recog.c (peephole2_optimize): Make it static.
5129 * recog.h: Remove the prototype for peephole2_optimize.
5131 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5133 * df-scan.c (df_record_entry_block_defs): Check if
5134 INCOMING_RETURN_ADDR_RTX is defined.
5136 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5137 Kenneth Zadeck <zadeck@naturalbridge.com>
5139 PR rtl-optimization/24762
5140 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5141 * targhooks.c (hook_void_bitmap): New hook prototype.
5142 * targhoohs.h (hook_void_bitmap): Ditto.
5143 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5144 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5145 * target.h (live_on_entry): New function pointer.
5146 * df-scan.c (df_all_hard_regs): Removed.
5147 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5148 (df_scan_free_internal): Added df->entry_block_defs.
5149 (df_scan_alloc): Ditto.
5150 (df_scan_dump): Ditto.
5151 (df_uses_record): Plumbed flag field properly thru calls.
5152 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5153 This part fixes PR24762.
5154 (df_bb_refs_record): Added code to make the frame and arg
5155 pointers live in EH blocks.
5156 (df_refs_record): Added call to df_record_entry_block_defs.
5157 (df_record_entry_block_defs): New function.
5158 * df-core.c: Added comments to describe new artifical defs.
5159 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5160 (entry_block_defs): New field in struct df.
5161 (df_all_hard_regs): Deleted.
5162 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5163 * df-problems.c (df_ru_bb_local_compute_process_def):
5164 Added code to handle artifical defs in the entry to a function.
5165 (df_ru_bb_local_compute): Ditto.
5166 (df_rd_bb_local_compute_process_def): Ditto.
5167 (df_rd_bb_local_compute): Ditto.
5168 (df_lr_bb_local_compute): Ditto.
5169 (df_ur_bb_local_compute): Ditto.
5170 (df_urec_bb_local_compute): Ditto.
5171 (df_chain_create_bb): Ditto.
5172 (df_ur_local_finalize): Removed entry.
5173 (df_urec_init): Ditto.
5174 (df_urec_local_finalize): Ditto.
5175 (df_ri_bb_compute): Added detection of last use of pseudos.
5176 * Makefile.in (df-scan.o): Updated dependencies.
5177 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5178 * config/mips/mips.c (mips_set_live_on_entry): Added.
5179 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5181 * dce.c (marked_insn_p): Added code to handle artifical defs.
5183 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5185 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5187 (_mm_cvtsi128_si64): Likewise.
5188 (_mm_cvtsd_si64): Likewise.
5189 (_mm_cvttsd_si64): Likewise.
5190 (_mm_cvtsi64_sd): Likewise.
5191 (_mm_cvtsi64_si128): Likewise.
5192 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5193 (_mm_cvtsi64_m64): Likewise.
5194 (_m_to_int64): Likewise.
5195 (_mm_cvtm64_si64): Likewise.
5196 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5197 (_mm_cvttss_si64): Likewise.
5198 (_mm_cvtsi64_ss): Likewise.
5199 (_mm_cvtss_f32): Likewise.
5201 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5203 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5204 for pragma redefine_extname.
5206 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5209 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5210 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5211 -mno-minimal-toc to previous content.
5212 (bispecs): Remove goal.
5213 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5214 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5215 compatibility aliases on powerpc-*-*gnu*.
5216 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5217 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5218 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5219 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5220 (ldblspecs): New goal.
5221 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5222 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5224 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5225 L_sf_to_tf or L_df_to_tf is defined.
5227 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5228 Alan Modra <amodra@bigpond.net.au>
5231 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5232 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5233 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5234 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5235 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5236 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5237 (rs6000_override_options): Initialize rs6000_ieeequad.
5238 Initialize TFmode format to ibm_extended_format if not
5240 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5242 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5243 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5244 (function_arg_advance): IBM long double passed in two FPRs, not
5246 (function_arg): IBM long double passed in FPRs.
5247 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5248 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5249 Only multireg GPR aligned.
5250 (rs6000_init_libfuncs): Enable IBM long double functions if not
5252 (rs6000_generate_compare): Use IBM long double compare if not
5254 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5255 (TARGET_IEEEQUAD): Define.
5256 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5257 not TARGET_IEEEQUAD.
5258 * config/rs6000/rs6000.md: Enable TFmode patterns if
5260 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5261 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5262 and -mlong-double-128 are incompatible.
5263 * doc/invoke.texi (-mabi): Collect options together. Add
5264 ibmlongdouble and ieeelongdouble.
5266 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5268 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5270 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5271 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5272 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5273 * rtl.h (rtunion_def): Remove rt_ptr.
5275 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5276 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5277 * config/i386/winnt.c (i386_pe_mark_dllexport)
5278 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5280 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5282 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5284 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5288 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5289 pthread_key_delete. From John David Anglin. gthrw-ify
5290 pthread_getunique_np only if it it's not a macro. Delete
5292 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5293 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5294 __gthread_objc_condition_signal, __gthread_key_delete): Add
5295 "__attribute__ ((__unused__))" to unused arguments.
5296 (__gthread_recursive_mutex_init_function): Add missing return.
5297 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5298 gthr-posix95.h: Use macro-based approach for name redirection
5299 on targets missing weakref.
5301 2006-01-26 Zack Weinberg <zackw@panix.com>
5303 * genconditions.c (write_header): In generated code, #ifdef out
5304 all includes and fake declarations, except includes of bconfig.h
5305 and system.h, unless GCC_VERSION >= 3001. Do not include
5306 gensupport.h in any case.
5307 (write_conditions): Generate a definition of struct c_test. Add
5308 a comment to the generated #endif.
5309 (write_one_condition): Escape backslashes in string too.
5310 (write_writer): Generated code must escape backslashes and quote
5311 marks (but not newlines) in the strings it writes.
5312 * Makefile.in (build/gencondmd.o): Update dependencies.
5314 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5317 * Makefile.in (insn-automata.o): Add header file dependencies.
5318 * genautomata.c: Add includes.
5320 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5323 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5325 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5327 * configure.ac: Expect target tools paths to be passed from the toplevel
5328 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5330 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5332 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5335 * c.opt (Wpointer-sign): Init to -1.
5336 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5337 OPT_pedantic, to 0 otherwise.
5338 * doc/invoke.texi: Update.
5340 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5342 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5343 constants provided by 80387 instructions in the destination mode.
5345 2006-01-26 Richard Guenther <rguenther@suse.de>
5346 Andrew Pinski <pinskia@physics.uc.edu>
5349 partial PR tree-opt/17064
5350 * tree-ssa-structalias.c (intra_create_variable_infos):
5351 Create heap variables for incoming parameters if
5352 flag_argument_noalias > 1.
5353 (find_what_p_points_to): Look through default defs of
5356 2006-01-26 Jeff Law <law@redhat.com>
5359 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5360 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5361 within the VR_RANGE, use the VR_RANGE as the result, not the
5363 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5364 bounds for the type.
5366 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5368 * tree-ssa-alias.c (maybe_create_global_var): Change
5369 subvar walking to an assertion that we don't have subvar'd variables.
5371 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5374 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5375 Use a new variable, inner. PARM_DECLs are always non-weak.
5377 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5379 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5382 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5384 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5386 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5388 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5389 (smax_insn, smin_insn, smax_0, smin_0): New.
5391 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5394 * config/cris/cris.c (cris_order_for_addsi3): New function.
5395 * config/cris/cris-protos.h: Prototype it.
5396 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5397 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5398 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5399 (split for "op.S1 [rx=rx+i],ry (swapped)")
5400 (split for "op(s|u).S1 [rx=rx+i],ry")
5401 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5402 Apply cris_order_for_addsi3 when generating addsi3 insns.
5404 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5406 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5407 (TREE_BLOCK): Add call to EXPR_CHECK.
5409 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5412 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5413 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5414 (dump_omp_clauses): ... here.
5415 (dump_generic_node): Handle OMP_CLAUSE.
5416 * tree.c (omp_clause_num_ops): New.
5417 (omp_clause_code_name): New.
5418 (tree_code_size): Handle OMP_CLAUSE.
5419 (tree_size): Likewise.
5420 (make_node): Document handling of OMP_CLAUSE.
5421 (tree_node_structure): Handle OMP_CLAUSE.
5422 (omp_clause_check_failed): New.
5423 (omp_clause_range_check_failed): New.
5424 (omp_clause_operand_check_failed): New.
5425 (build_omp_clause): New.
5426 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5427 * tree.h (enum omp_clause_code): Declare.
5428 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5429 (OMP_CLAUSE_RANGE_CHECK): Define.
5430 (OMP_CLAUSE_ELT_CHECK): Define.
5431 (omp_clause_check_failed): Declare.
5432 (omp_clause_operand_check_failed): Declare.
5433 (omp_clause_range_check_failed): Declare.
5434 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5435 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5436 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5437 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5438 (OMP_CLAUSE_IF_EXPR): Likewise.
5439 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5440 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5441 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5442 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5443 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5444 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5445 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5446 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5447 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5448 (OMP_CLAUSE_CODE): Define.
5449 (OMP_CLAUSE_SET_CODE): Define.
5450 (OMP_CLAUSE_CODE): Define.
5451 (OMP_CLAUSE_OPERAND): Define.
5452 (struct tree_omp_clause): Declare.
5453 (union tree_node): Add field 'omp_clause'.
5454 * treestruct.def (TS_OMP_CLAUSE): Define.
5455 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5456 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5457 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5458 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5459 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5460 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5461 (OMP_CLAUSE): Define.
5462 * print-tree.c (print_node): Handle OMP_CLAUSE.
5463 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5464 * c-typeck.c: Likewise.
5465 * gimplify.c: Likewise.
5466 * c-omp.c: Likewise.
5467 * tree-nested.c: Likewise.
5468 * tree-inline.c: Likewise.
5469 * c-parser.c: Likewise.
5470 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5473 2006-01-25 Roger Sayle <roger@eyesopen.com>
5475 PR rtl-optimization/25703
5476 * combine.c (try_combine): Handle zero_extract and strict_low_part
5477 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5479 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5481 * global.c: Fix comment typos.
5483 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5486 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5487 Use output_addr_const instead of assemble_name.
5489 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5491 * Makefile.in (sched-vis.o): Update dependencies.
5492 * haifa-sched.c (sched_finish): Clear current_sched_info.
5493 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5494 (dump_flow_info): Call it.
5495 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5497 * basic-block.h (dump_bb_info): Declare.
5498 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5499 option, and apply options only for dump files whose TDF_RTL,
5500 TDF_TREE, or TDF_IPA bits match.
5501 * rtl.h: Declare new functions exported from sched-vis.c.
5502 * sched-vis.c: Enable also if scheduling is not used.
5503 (print_value): Print the mode of registers if not inside scheduling.
5504 (print_insn): Make it work outside the scheduler. Beautify the output
5506 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5508 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5510 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5511 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5512 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5513 depending on the value of CONSTANT_POOL_ADDRESS_P.
5514 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5516 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5517 rather than SYMBOL_REF_DECL.
5518 (rtx_constant_pool): Remove const_rtx_sym_htab.
5519 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5520 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5521 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5522 Remove handling of const_rtx_sym_htab.
5523 (find_pool_constant): Delete.
5524 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5525 rather than find_pool_constant.
5526 (get_pool_constant_for_function): Delete.
5527 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5529 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5530 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5531 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5532 (SYMBOL_REF_CONSTANT): New macro.
5533 (get_pool_constant_for_function): Delete.
5534 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5535 rather than SYMBOL_REF_DECL.
5536 (i386_pe_mark_dllimport): Likewise.
5537 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5538 rather than SYMBOL_REF_DECL.
5539 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5540 (machopic_indirect_call_target): Likewise.
5542 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5544 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5546 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5548 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5550 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5552 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5554 2006-01-24 David Daney <ddaney@avtrex.com>
5557 * configure.ac (enable_tls): New enable option.
5558 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5559 * configure: Regenerate.
5560 * doc/install.texi (--enable-tls): Document new option.
5561 (--disable-tls): Ditto.
5563 2006-01-24 Richard Henderson <rth@redehat.com>
5565 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5566 * alias.c (true_dependence): Respect it.
5567 (canon_true_dependence, write_dependence_p): Likewise.
5568 * builtins.c (get_builtin_sync_mem): Set it.
5570 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5572 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5575 2006-01-24 DJ Delorie <dj@redhat.com>
5577 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5578 for storing constants in single-bit bitfields.
5580 2006-01-25 Ben Elliston <bje@au.ibm.com>
5582 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5584 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5587 * tree-ssa-pre.c (phi_translate): Return NULL
5588 for AGGREGATE_TYPE's.
5590 2006-01-24 Zack Weinberg <zackw@panix.com>
5592 * genautomata.c (process_state_for_insn_equiv_partition):
5593 Use xcalloc for insn_arcs_array.
5594 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5595 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5597 2006-01-24 Richard Henderson <rth@redhat.com>
5599 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5602 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5604 PR rtl-optimization/25890
5605 PR rtl-optimization/25905
5606 * combine.c (expand_compound_operation, expand_field_assignment):
5607 Fail if the bitfield's final position is out of bounds.
5609 2006-01-24 Ian Lance Taylor <ian@airs.com>
5612 * cgraphunit.c (cgraph_output_in_order): Don't clear
5613 cgraph_asm_nodes until after asm strings have been output.
5615 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5617 * fix-header.c (read_scan_file): Add new parameter imultilib when
5618 calling register_include_chains.
5620 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5622 * omp-low.c: Update documentation.
5624 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5625 Daniel Berlin <dberlin@dberlin.org>
5629 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5630 return from the function.
5632 2006-01-22 Zack Weinberg <zackw@panix.com>
5634 * rtl.def (match_code): Add second argument.
5635 * genpreds.c (write_extract_subexp): New function.
5636 (write_match_code): Add path argument. Use write_extract_subexp.
5637 (write_predicate_expr): Pass path to write_match_code.
5638 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5639 not perform a mode test.
5640 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5641 a subexpression does not constrain the top-level code set.
5642 * read-rtl.c (read_rtx_variadic): New function.
5643 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5644 * doc/md.texi: Document new notation.
5645 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5646 (cmpsi_operand): ... here, using new notation.
5648 2006-01-22 Zack Weinberg <zackw@panix.com>
5650 * varray.c: Remove GENERATOR_FILE #ifdefs.
5652 2006-01-22 Zack Weinberg <zackw@panix.com>
5654 * genautomata.c (output_reserved_units_table): Emit nothing if
5655 description->query_units_num is zero. Remove extra blank line.
5656 (output_cpu_unit_reservation_p): Short circuit
5657 if description->query_units_num is zero.
5659 2006-01-22 Zack Weinberg <zackw@panix.com>
5661 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5662 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5663 nor any of the random handful of variables that used to be necessary
5664 when this program was linked with rtlanal.o. Prune set of forward
5665 function declarations.
5666 (struct attr_desc): Remove static_p field.
5667 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5668 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5669 (attr_string): Do not read the character one past the length of
5671 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5672 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5673 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5674 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5675 (make_automaton_attrs): New.
5676 (main): Do not call into genautomata. Call local gen_bypass
5677 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5678 Remove special case for insn_alts.
5679 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5680 varray.h (leftover from previous change). Prune set of forward
5681 function declarations. Remove state_alts fields from all
5682 structures. Remove state_alts_table from struct automaton.
5683 Make everything except main static. Do not maintain num_dfa_decls.
5684 Do not maintain state_alts fields of various structures.
5685 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5686 (add_arc): Remove state_alts argument. All callers updated.
5687 (output_reserved_units_table): Emit #ifdef here...
5688 (output_tables): ...not here. Don't generate state_alts tables.
5689 (expand_automata): Don't generate attributes.
5690 (write_automata): Don't generate state_alts functions.
5691 (main): New function.
5692 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5693 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5694 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5695 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5696 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5697 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5698 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5699 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5701 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5702 * genattrtab.h: Delete file.
5703 * Makefile.in (OBJS-common): Add insn-automata.o.
5704 (insn-automata.o): New rule.
5705 (simple_generated_c): Add insn-automata.c.
5706 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5707 (genprogmd): Add automata.
5708 (build/genattrtab): Needs no extra objects nor libraries.
5709 (build/genautomata): Needs build/vec.o and -lm.
5711 2006-01-22 Zack Weinberg <zackw@panix.com>
5713 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5714 (output_dfa_max_issue_rate, locked_states_num): Delete.
5715 (struct automaton): Add locked_states field.
5716 (output_dead_lock_vect): Save number of locked states in
5717 automaton->locked_states. If it is zero, don't print anything.
5718 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
5719 (output_internal_dead_lock_func): Only test the dead_lock_vect
5720 for automata that have locked states.
5721 (output_statistics): Always print the number of locked states for
5722 each automaton. Calculate total number of locked states here.
5723 (write_automata): Don't call output_dfa_max_issue_rate.
5724 * genattrtab.c: Define length_unit_log as a const variable.
5725 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
5726 max_insn_queue_index const.
5727 * final.c (length_unit_log): Declare const.
5728 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
5730 2006-01-22 Zack Weinberg <zackw@panix.com>
5732 * genautomata.c: Include vec.h, not varray.h.
5733 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
5734 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
5735 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
5736 VEC_* macros operating on appropriately typed vectors, or to
5737 malloced arrays when the size is known in advance. Const-ify
5738 many char* variables and function arguments. No functional changes.
5739 * Makefile.in (build/varray.o): Delete rule.
5740 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
5741 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
5743 2006-01-22 Zack Weinberg <zackw@panix.com>
5745 * gensupport.c: Define get_insn_name and record_insn_name here.
5746 (read_md_rtx): Call record_insn_name as appropriate.
5747 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5748 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5749 * genpreds.c, genrecog.c: Don't define get_insn_name nor
5751 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
5752 (BUILD_VARRAY): Delete.
5753 (genprognormal): Rename genprogmd. Fold in all programs from
5754 genprognoprint; also attrtab.
5755 (build/genattrtab): Just mention genautomata.o and varray.o.
5756 Reorganize a bit, add comments to make the categories clearer.
5758 2006-01-22 Zack Weinberg <zackw@panix.com>
5760 * genconditions.c (condition_table, add_condition): Delete.
5761 (write_conditions): Don't emit n_insn_conditions nor
5762 insn_elision_unavailable. Issue the gcc version #ifdef here,
5763 inside the table, with no #else clause ...
5764 (write_header): ...not here.
5765 (write_writer): New function.
5766 (main): Don't initialize condition_table. Use add_c_test.
5768 * gensupport.c (init_md_reader_args_cb): Handle multiple input
5769 files on the command line.
5770 (maybe_eval_c_test): Don't check insn_elision_unavailable.
5771 Return -1 if there is no entry in the table, don't abort.
5772 (add_c_test, traverse_c_tests): New functions.
5773 * gensupport.h (insn_elision_unavailable, insn_conditions)
5774 (n_insn_conditions): Delete declarations.
5775 (add_c_test, traverse_c_tests): Declare.
5776 * read-rtl.c: Include gensupport.h.
5777 (read_conditions): New function.
5778 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
5779 (read_rtx_1): If we get EOF when we were looking for an initial
5780 open paren, return 0. Call read_conditions when appropriate.
5781 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
5782 dummy-conditions.o. Eliminate references to insn-conditions.o,
5783 or change them to build/gencondmd.o, as appropriate. Remove
5784 insn-constants.h from $(simple_generated_h) and insn-conditions.c
5785 from $(simple_generated_c). For all files remaining in those
5786 two lists, add insn-conditions.md to the generator command line.
5787 Give insn-constants.h/s-constants their own rules. Add rules
5788 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
5789 (build/read-rtl.o): Depend on gensupport.h.
5790 (genprognormal): Include preds.
5791 (genprogearly): Rename genprognoprint; only difference is now that
5792 they don't link with $(BUILD_PRINT).
5793 * dummy-conditions.c: Delete.
5795 2006-01-22 Zack Weinberg <zackw@panix.com>
5797 * genextract.c: Don't include insn-config.h. Do include vec.h.
5798 Declare vectors of int, char, and locstr.
5799 (locstr): New typedef.
5800 (struct extraction): Make all array fields into bare pointers.
5801 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
5802 (insn_code_number): Delete.
5803 (accum_extract): New struct.
5804 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
5805 (gen_insn): Take insn_code_number as an argument. Use an
5806 accum_extract structure instead of loading data directly into
5807 a struct extraction, and having to know how big it might get.
5808 (walk_rtx): Operate entirely on an accum_extract structure.
5809 (print_path): Avoid unnecessary use of printf.
5810 (print_header): New function, split out of main. Distinguish
5811 more carefully between an unrecognizable insn and an insn that
5812 has the code number of a define_expand.
5813 (main): Pass insn_code_number to gen_insn. Call print_header
5814 only after parsing. Avoid unnecessary use of printf.
5815 * Makefile.in (build/vec.o): New rule.
5816 (build/genextract): Depend on build/vec.o.
5817 (build/genextract.o): Don't depend on insn-config.h.
5819 2006-01-22 Zack Weinberg <zackw@panix.com>
5821 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5822 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5823 practical. Eliminate per-generator-program link rules.
5825 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5828 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5829 with a call expr to ...
5830 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5832 2006-01-23 Richard Guenther <rguenther@suse.de>
5834 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5835 before make_edge with conditional EDGE_TRUE_VALUE.
5837 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5838 Jan Hubicka <jh@suse.cz>
5839 Richard Guenther <rguenther@suse.de>
5841 PR rtl-optimization/25654
5842 * cfgexpand.c (aggregate_contains_union_type): New function.
5843 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5844 for structure variables that contain a union type.
5846 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5848 * gengtype.c (new_structure): Return the structure.
5849 (create_option): Add an extra "next" argument.
5850 (create_field): New function.
5851 (adjust_field_rtx_def): Use create_option and create_field.
5852 Remove a now-unnecessary call to find_structure.
5853 (adjust_field_tree_def): Likewise.
5854 (note_yacc_type): Remove an unnecessary call to find_structure.
5855 * gengtype.h (new_structure): Return the structure.
5856 (create_option): Add an extra argument.
5857 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5858 (option): Adjust calls to create_option.
5860 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5862 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5864 2006-01-22 Paul Brook <paul@codesourcery.com>
5865 Peter Barada <peter@the-baradas.com>
5867 * config/m68k/m68k.md: Add Coldfire FPU support.
5868 Define FP mode macro and associated attributes.
5869 Use it for float mode patterns.
5870 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
5871 (LIBCALL_VALUE): Use m68k_libcall_value.
5872 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
5873 (m68k_function_value): Ditto.
5874 (emit_move_sequence): Ditto.
5875 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
5876 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
5877 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
5878 (MULTILIB_EXCEPTIONS): Ditto.
5879 * config/m68k/m68k.opt: Add mcfv4e.
5880 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
5881 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
5882 (m68k_output_function_prologue): Save ColdFire FPU registers.
5883 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
5884 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
5885 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
5886 ColdFire FPU registers.
5887 (m68k_libcall_value, m68k_function_value): New functions.
5888 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
5889 (LIBCALL_VALUE): Use m68k_libcall_value.
5890 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
5891 (MASK_COLDFIRE): Add MASK_CFV4E.
5892 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
5893 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
5894 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
5895 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
5896 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5897 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5898 * doc/invoke.tex: Document -mcfv4e on m68k.
5900 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5902 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5905 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5908 * c-opts.c (c_common_handle_option): Don't include
5909 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5910 * doc/invoke.texi (C++ Dialect Options): Document that
5911 -Wnon-virtual-dtor is no longer included in -Wall.
5913 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5915 * gcov.c (print_version), gcov-dump.c (print_version),
5916 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
5919 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
5921 * df-scan.c (problem_SCAN): Added NULL reset function.
5922 (df_scan_reset_blocks): Added code to call reset block function
5923 (df_bb_refs_delete) Fixed comment.
5924 (df_insn_refs_delete): Made tolerant of deleting non existent info
5925 for dataflow problems that need to be reset.
5926 * df-core.c (df_set_blocks): Ditto.
5927 * df.h (struct df_problem): Added reset_fun.
5928 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
5929 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
5930 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
5931 functions to clear out all references to def-use or use-def chains.
5933 2006-01-21 Ben Elliston <bje@au.ibm.com>
5935 * varasm.c (assemble_real): Initialise data array.
5937 2006-01-20 Paul Brook <paul@codesourcery.com>
5939 Merge from csl-arm-branch.
5940 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5941 * config/arm/arm.md (movdi): Force operands[1] to a register
5942 if we have a non-register source.
5943 (*arm_movdi, *movdf_soft_insn): Require that one of the
5944 operands be a register.
5945 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
5946 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5948 2006-01-20 DJ Delorie <dj@redhat.com>
5950 * varasm.c (initialize_constant_valid_p): Allow pointers
5951 initialized from integer constants of lesser precision.
5952 (output_constant): Allow non-int-sized pointer modes to be
5953 initialized from integer constants.
5955 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
5958 * cppdefault.h (struct default_include): Add multilib flag.
5959 * cppdefault.c (cpp_include_defaults): Set it.
5960 * c.opt (-imultilib): New option.
5961 * c-opts.c (imultilib): New.
5962 (c_common_handle_option): Handle -imultilib.
5963 (c_common_post_options): Likewise.
5964 * c-incpath.c (add_standard_paths, register_include_chains):
5966 * c-incpath.h (register_include_chains): Add extra parameter.
5967 * gcc.c (do_spec_1): Generate -imultilib option.
5968 (The Specs Language): Update %I description.
5969 (process_command): Update copyright notice.
5970 * doc/cppopts.texi (-imultilib): Document.
5971 * doc/invoke.texi (-imultilib): Include in option summary.
5972 (%I): Update specs documentation.
5974 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5976 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
5978 2006-01-20 Richard Sandiford <richard@codesourcery.com>
5980 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
5983 2006-01-20 Richard Guenther <rguenther@suse.de>
5984 Steven Bosscher <stevenb.gcc@gmail.com>
5986 PR rtl-optimization/24626
5987 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
5988 EDGE_TRUE_VALUE if in RTL mode.
5991 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
5992 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
5994 2006-01-20 Dirk Mueller <dmueller@suse.com>
5997 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
5998 instead of a special NOP marker.
5999 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6000 NOP marker handling.
6001 * c-common.h (empty_body_warning): Add forward declaration.
6002 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6003 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6005 2006-01-20 Paul Brook <paul@codesourcery.com>
6007 * Makefile.in (lang_checks): Keep going if mkdir fails.
6009 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6011 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6012 be able to clean out basic block when not necessary.
6013 (df_scan_free): Fixed to properly delete information if df is
6014 unused before calling df_finish.
6015 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6016 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6018 (df_bb_refs_delete): New function.
6019 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6020 * df-core.c (df_set_blocks): Added code to properly clean out
6021 unused blocks if they are not part of the blocks to consider.
6022 Added additional null check.
6023 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6024 be able to clean out basic block when not necessary
6025 * df.h (df_free_bb_function): Ditto.
6026 (df_bb_refs_delete): New function.
6027 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6028 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6029 basic block parameter to be able to clean out basic block when not
6031 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6032 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6033 Fixed to properly delete information if df is unused before
6036 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6038 PR rtl-optimization/25799
6039 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6040 Corrected confluence operator to remove bits from op2 before oring
6041 with op1 rather than removing bits from op1.
6042 (df_ru_transfer_function): Corrected test on wrong bitmap which
6043 caused infinite loop. Both of these problems were introduced in
6044 the dataflow rewrite.
6046 2006-01-19 DJ Delorie <dj@redhat.com>
6048 * reload1.c (find_reload_regs): Note the details of reload
6049 failures in the dump file.
6050 (spill_failure): Likewise.
6052 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6054 * loop-iv.c: Include df.h and hashtab.h.
6055 (enum iv_grd_result): New enum.
6056 (DF_REF_IV, DF_REF_IV_SET): New macros.
6057 (struct biv_entry): New.
6058 (df, bivs): New global variables.
6059 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6060 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6062 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6063 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6064 analyzed_for_bivness_p, record_biv): New functions.
6065 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6066 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6067 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6069 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6071 (iv_number_of_iterations): Use new interface to iv analysis.
6072 * loop-unroll.c: Do not include varray.h.
6073 (analyze_iv_to_split_insn): Use new interface to iv
6075 * loop-unswitch.c (may_unswitch_on): Ditto.
6076 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6078 (df_bb_modify): Realloc tables to the new index.
6079 (df_find_use): New function.
6080 * df.h (df_find_use): Declare.
6081 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6083 * cfgloop.h (struct rtx_iv): Remove analysed field.
6084 (iv_get_reaching_def): Removed.
6085 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6086 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6087 (loop-iv.o): Add df.h and hashtab.h dependency.
6088 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6090 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6093 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6095 (__floatundisf, __floatundidf): Likewise.
6096 * libgcc2.h (IS_IBM_EXTENDED): Define.
6098 2006-01-19 DJ Delorie <dj@redhat.com>
6100 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6102 2006-01-19 Paul Brook <paul@codesourcery.com>
6104 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6105 as nothrow when unwinding tables are disabled.
6107 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6110 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6111 of bit-field" when in system header.
6113 2006-01-19 DJ Delorie <dj@redhat.com>
6115 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6116 the 16 bit shift limit of the m16c.
6118 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6121 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6122 * config/i386/i386.c (output_set_got): Output the label if we have one
6123 for the TARGET_DEEP_BRANCH_PREDICTION case.
6125 2006-01-19 Jan Hubicka <jh@suse.cz>
6126 H.J. Lu <hongjiu.lu@intel.com>
6127 Evandro Menezes <evandro.menezes@amd.com>
6129 * invoke.texi (generic): Document
6131 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6132 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6133 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6134 (x86_use_incdec, x86_pad_returns): New variables
6135 (TARGET_CPU_DEFAULT_generic): New constant
6136 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6137 (enum processor_type): Add generic32 and generic64.
6138 * i386.md (cpu attribute): Add generic32/generic64
6139 (movhi splitter): Behave sanely when both partial_reg_dependency and
6140 partial_reg_stall are set.
6141 (K8 splitters): Enable for generic as well.
6142 * predicates.md (incdec_operand): Use TARGET_INCDEC
6143 (aligned_operand): Avoid memory mismatch stalls.
6144 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6145 * ppro.md: Enable for generic32
6146 * i386.c (generic64_cost, generic32_cost): New.
6147 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6148 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6149 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6150 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6151 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6152 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6153 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6154 x86_accumulate_outgoing_args, x86_prologue_using_move,
6155 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6156 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6158 (x86_use_incdec, x86_pad_returns): New.
6159 (override_options): Add generic32 and generic64, translate "generic"
6160 to generic32/generic64 and "i686" to "generic32", refuse
6161 "generic32"/"generic64" as arch target.
6162 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6163 (ix86_reorg): Honor PAD_RETURNS.
6165 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6167 * tree-pretty-print.c (dump_generic_node): Handle
6168 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6169 * cgraph.c (cgraph_expand_queue): Rename from
6170 cgraph_analyze_queue. Update all users.
6171 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6172 cgraph_expand_queue.
6173 (cgraph_expand_all_functions): Likewise.
6174 (cgraph_finalize_pending_functions): Remove. Update callers.
6176 * tree.h (OMP_DIRECTIVE_P): Define.
6177 (OMP_PARALLEL_FN): Define.
6178 (OMP_PARALLEL_DATA_ARG): Define.
6179 (OMP_SECTIONS_SECTIONS): Define.
6180 * tree-pass.h (pass_expand_omp): Declare.
6181 * omp-low.c (struct omp_region): Declare.
6182 (struct omp_context): Remove fields 'parallel_type',
6183 'parallel_start_ix' and 'parallel_start_additional_args'.
6185 (struct omp_for_data): Rename from struct expand_omp_for_data.
6186 (omp_regions): New static variable.
6187 (root_omp_region): New static variable.
6188 (find_omp_clause): Make static.
6189 (is_in_combined_parallel_ctx): Remove.
6190 (is_combined_parallel): New.
6191 (extract_omp_for_data): Move earlier in the file.
6192 (workshare_safe_to_combine_p): New.
6193 (get_ws_args_for): New.
6194 (determine_parallel_type): Move earlier in the file.
6195 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6197 (omp_copy_decl): Likewise.
6198 (create_omp_child_function): Likewise.
6199 (lookup_omp_region): New.
6200 (dump_omp_region): New.
6201 (debug_omp_region): New.
6202 (debug_all_omp_regions): New.
6203 (new_omp_region): New.
6204 (scan_omp_parallel): If parallel_nesting_level > 1, the
6205 directive is nested within another parallel directive.
6206 Set OMP_PARALLEL_FN.
6207 (scan_omp_for): Do not try to handle combined parallel+for
6209 Remove FIXME comment.
6210 (scan_omp_nested): Remove.
6211 (scan_omp_1): Do not call scan_omp_nested when
6212 parallel_nesting_level is > 1.
6213 Do not change the DECL_CONTEXT of local variables found.
6214 (lookup_decl_in_outer_ctx): New.
6215 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6216 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6217 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6218 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6219 If CTX is nested, lookup VAR in the outer context when
6220 building copy assignment.
6221 (lower_send_clauses): Rename from expand_send_clauses.
6222 If CTX is nested, lookup VAR in the outer context when
6223 building copy assignments.
6224 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6225 If CTX is nested, lookup VAR in the outer context when
6226 building copy assignments.
6227 (expand_parallel_call): Rename from build_parallel_call.
6228 Handle combined parallel+workshare cases.
6229 Re-implement to emit code into the CFG.
6231 (expand_omp_parallel): Re-implement to emit code into the CFG.
6232 Call move_sese_region_to_fn to outline the sub-graph
6233 containing the parallel region.
6234 (expand_omp_for_1): Remove.
6235 (expand_omp_for_generic): Re-implement to emit code into the
6237 (expand_omp_for_static_nochunk): Likewise.
6238 (expand_omp_for_static_chunk): Likewise.
6239 (expand_omp_for): Likewise.
6240 (expand_omp_sections): Likewise.
6241 (remove_exit_barriers): New.
6242 (expand_omp_synch): New.
6244 (build_omp_regions_1): New.
6245 (build_omp_regions): New.
6246 (execute_expand_omp): New.
6247 (gate_expand_omp): New.
6248 (pass_expand_omp): Define.
6249 (lower_omp_sections): Rename from expand_omp_sections.
6250 Set OMP_SECTIONS_SECTIONS.
6251 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6252 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6253 (lower_omp_single): Rename from expand_omp_simple.
6254 (lower_omp_master): Rename from expand_omp_master.
6255 (lower_omp_ordered): Rename from expand_omp_ordered.
6256 (lower_omp_critical): Rename from expand_omp_critical.
6257 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6258 (lower_omp_for): Re-implement.
6259 (lower_omp_parallel): Re-implement.
6260 (lower_regimplify): Rename from expand_regimplify.
6261 (lower_omp_1): Rename from expand_omp_1.
6262 If there are syntax errors in the program, replace every
6263 OpenMP directive with NOP.
6264 Call lower_omp_* instead of expand_omp_*.
6265 (lower_omp): Rename from expand_omp.
6267 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6268 * tree-gimple.h (enum omp_parallel_type): Remove.
6269 (gimple_boolify): Declare extern.
6270 (find_omp_clause, determine_parallel_type): Remove.
6272 * gimple-low.c (lower_omp_directive): New.
6273 (lower_stmt): Call it.
6274 (record_vars_into): Move from ...
6275 (record_vars): ... here.
6276 Call record_vars_into with current_function_decl.
6278 * gimplify.c (struct gimplify_ctx): Remove fields
6279 combined_pre_p and combined_ctxp. Update users.
6280 (get_formal_tmp_var): Add documentation.
6281 (gimple_boolify): Make extern.
6282 (gimplify_expr_in_ctx): Remove. Update callers.
6283 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6284 will always be a BIND_EXPR.
6285 (gimplify_expr): Handle OMP_RETURN_EXPR.
6286 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6287 (OMP_PARALLEL): Add 3 operands.
6288 (OMP_SECTIONS): Add 1 operand.
6289 (OMP_RETURN_EXPR): Define.
6291 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6292 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6293 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6294 creating a circular free list.
6295 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6297 * tree-flow.h (move_sese_region_to_fn): Declare.
6298 (record_vars_into): Declare.
6299 * tree-cfg.c (make_omp_sections_edges): New.
6300 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6301 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6302 OMP_SECTIONS and OMP_SECTION.
6303 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6304 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6305 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6306 (gather_blocks_in_sese_region): New.
6307 (struct move_stmt_d): Declare.
6309 (move_block_to_fn): New.
6310 (move_sese_region_to_fn): New.
6312 * passes.c (init_optimization_passes): Schedule
6313 pass_expand_omp after pass_init_datastructures.
6315 * tree-ssa-operands.c (get_expr_operands): Handle
6316 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6317 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6319 2006-01-19 Jeff Law <law@redhat.com>
6321 * tree-vrp.c (extract_range_from_assert): Refine the result range
6322 if the variable referenced by the ASSERT_EXPR has a range and
6323 either the tentative result range or the previous range is a
6326 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6328 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6330 2006-01-19 Jan Hubicka <jh@suse.cz>
6332 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6334 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6336 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6337 (expand_compound_operation, expand_field_assignment): Fail if the
6338 bit lengths of an extract operation are out of range.
6339 (make_extraction): Compute wanted_inner_mode based on the position
6340 and length of the extraction. Make it extraction_mode for non-constant
6341 positions, and do not modify offset in that case. When generating a
6342 new MEM, use a mode that can hold the extraction while keeping correct
6343 alignment. Remove code that supported MEMs wrapped by USEs.
6344 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6346 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6348 * config/s390/s390.md ("Y", "y"): New mode attribute.
6349 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6350 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6351 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6352 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6353 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6354 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6355 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6356 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6357 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6358 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6359 "addsi3", "subsi3"): Insn patterns removed.
6360 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6361 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6362 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6363 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6364 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6365 "*sub<mode>3_cconly2"): New insn patterns.
6366 ("addsi3", "subsi3"): New expanders.
6368 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6370 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6371 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6372 existing STMT_VINFO_VECTYPE if available.
6373 (vect_mark_relevant): Add special handling for stmts that are
6374 marked as STMT_VINFO_IN_PATTERN_P.
6375 (vect_analyze_loop): Call vect_pattern_recog.
6376 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6377 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6379 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6380 (vect_recog_func_ptr): New function-pointer type.
6381 * tree-vect-patterns.c: New file.
6382 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6383 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6384 (vect_pattern_recog_1): New functions.
6385 (vect_pattern_recog_funcs): New array of function pointers.
6387 * tree-vectorizer.h (ternary_op): New enum value.
6388 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6389 declaration. Revised documentation. Removed redundant dump prints.
6390 Removed redundant argument. Added support for reduction patterns.
6391 (vectorizable_reduction): Added support for reduction patterns.
6392 (vect_transform_stmt): Added support for patterns.
6394 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6395 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6396 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6397 (expand_widen_pattern_expr): New function.
6398 (init_optabs): Initialize new optabs udot_prod_optab,
6400 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6401 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6402 (expand_widen_pattern_expr): New function declaration.
6403 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6405 * tree-inline.c (estimate_num_insns_1): Added cases for new
6406 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6407 * tree-pretty-print.c (dump_generic_node): Likewise.
6408 (op_prio): Likewise.
6409 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6410 * tree-ssa-operands.c (get_expr_operands): Added case for
6412 * tree-vect-patterns.c (widened_name_p): New function.
6413 (vect_recog_dot_prod_pattern): Added function implementation.
6414 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6415 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6416 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6417 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6419 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6420 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6421 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6422 (init_optabs): Initialize new optabs widen_ssum_optab,
6424 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6425 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6426 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6427 use instead of type of def.
6428 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6429 function implementation.
6430 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6431 widen_ssumv8hi): New.
6433 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6436 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6439 * c-decl.c (add_flexible_array_elts_to_size): New function.
6440 (finish_decl): Use it.
6442 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6444 * diagnostic.h: Include options.h.
6445 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6446 dependancies for diagnostic.h.
6447 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6449 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6451 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6452 (ssa_ro_call_cache_valid): Ditto.
6453 * tree-ssa-alias.c (sort_tags_by_id): New function.
6454 (init_transitive_clobber_worklist): Ditto.
6455 (add_to_worklist): Ditto.
6456 (mark_aliases_call_clobbered): Ditto.
6457 (compute_tag_properties): Ditto.
6458 (set_initial_properties): Ditto.
6459 (compute_call_clobbered): Ditto.
6460 (compute_may_aliases): Call compute_call_clobbered and grouping.
6461 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6462 (compute_flow_insensitive_aliasing): Grouping now happens in our
6464 (setup_pointers_and_addressables): Remove clobbering related code.
6465 (add_may_alias): Ditto.
6466 (replace_may_alias): Ditto.
6467 (get_nmt_for): Ditto.
6468 (create_global_var):
6469 (is_escape_site): Return an escape_type enumeration.
6470 * tree-flow-inline.h (is_call_clobbered): Global var does not
6471 imply call clobbered.
6472 (mark_call_clobbered): Take a reason for marking this. Remove
6473 marking of globalness, and cache invalidation.
6474 (clear_call_clobbered): Remove cache invalidation code.
6475 * tree-dfa.c (dump_variable): If details is on, dump the reason
6477 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6479 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6480 (struct var_ann_d): Ditto.
6481 (enum escape_type): New.
6482 (mark_call_clobbered): Adjust prototype.
6483 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6484 are never call clobbered.
6485 Record reasons for escaping.
6486 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6487 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6488 (ssa_ro_call_cache_valid): Ditto.
6489 (clobbered_v_may_defs): Ditto.
6490 (clobbered_vuses): Ditto.
6491 (ro_call_vuses): Ditto.
6492 (clobber_stats): New.
6493 (init_ssa_operands): Zero out clobber stats.
6494 (fini_ssa_operands): Print out clobber stats.
6495 (get_call_expr_operands): Pass callee fndecl to
6497 (add_call_clobber_ops): Remove use of cache.
6498 Add use of PURE_CONST information.
6499 (add_call_read_ops): Remove use of cache.
6500 Add use of static not_read information.
6502 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6504 Introduce TLS descriptors for i386 and x86_64.
6505 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6506 (TARGET_ANY_GNU_TLS): New macro.
6507 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6508 (struct machine_function): Add tls_descriptor_call_expanded_p.
6509 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6510 (ix86_current_function_calls_tls_descriptor): Likewise.
6511 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6512 (override_options): Introduce gnu2 tls dialect.
6513 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6515 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6517 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6518 (ix86_init_machine_status): Initialize new field.
6519 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6520 (ix86_tls_module_base): New.
6521 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6522 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6523 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6524 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6525 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6526 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6527 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6528 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6529 * config/i386/predicates.md (tls_modbase_operand): New.
6530 (tp_or_register_operand): New.
6532 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6534 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6535 (look_for_address_of): Ditto.
6536 (ipa_init): Walk the function decls.
6537 (static_execute): Don't set readonly on FUNCTION_DECL's.
6539 2006-01-18 Roger Sayle <roger@eyesopen.com>
6541 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6542 for shifts where the source and destination registers are different.
6544 2006-01-18 Paul Brook <paul@codesourcery.com>
6546 Merge from csl-arm-branch.
6547 2005-03-14 Julian Brown <julian@codesourcery.com>
6548 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6549 (aeabi_llsl): Likewise.
6550 (ashrdi3): Likewise.
6551 (aeabi_lasr): Likewise.
6552 (lshrdi3): Likewise.
6553 (aeabi_llsr): Likewise.
6554 2005-03-10 Julian Brown <julian@codesourcery.com>
6555 * config.gcc: Disable shared libgcc for SymbianOS.
6556 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6558 2006-01-18 DJ Delorie <dj@redhat.com>
6560 * c-pragma.c (handle_pragma_diagnostic): New.
6561 (init_pragma): Register it.
6562 * doc/extend.texi: Document it.
6564 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6565 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6566 (diagnostic_context): Add classify_diagnostic[].
6567 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6568 as errors if they're overridden to DK_WARNING.
6569 (diagnostic_initialize): Initialize classify_diagnostic[].
6570 (diagnostic_set_kind_override): New.
6571 (diagnostic_report_diagnostic): Check for kind changes.
6572 * opts.c (common_handle_option): Take lang_mask. Update callers.
6574 * common.opt (Werror=): New.
6575 * doc/invoke.texi: Document -Werror=*
6577 2006-01-18 Jeff Law <law@redhat.com>
6579 * tree-vrp.c (test_for_singularity): Correct test for new
6580 min limit. Use operand_equal_p rather than pointer equality
6581 for testing if new min/max values are equal.
6583 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6584 using range information until after propagation and folding.
6586 2006-01-18 Richard Henderson <rth@redhat.com>
6587 Aldy Hernandez <aldyh@redhat.com>
6588 Jakub Jelinek <jakub@redhat.com>
6589 Diego Novillo <dnovillo@redhat.com>
6591 * omp-low.c: New file.
6592 * c-omp.c: New file.
6594 2006-01-18 Richard Henderson <rth@redhat.com>
6595 Jakub Jelinek <jakub@redhat.com>
6596 Diego Novillo <dnovillo@redhat.com>
6598 * doc/invoke.texi: Document -fopenmp.
6599 * tree-dump.h (debug_function): Declare.
6600 * hooks.c (hook_bool_tree_bool_false): New function.
6601 (hook_tree_tree_null): Remove.
6602 (hook_tree_tree_tree_null): New.
6603 * hooks.h: Update to match.
6604 * tree-pretty-print.c (debug_tree_chain): New.
6605 (print_generic_expr): Handle TDF_CHAIN.
6606 (dump_generic_node): Handle BLOCK.
6607 Do not abort with incomplete SWITCH_EXPRs.
6608 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6609 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6610 print space after directive name.
6611 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6612 Handle OMP_MASTER and OMP_ORDERED.
6613 Handle printing of OMP_BODY just in one place, goto
6614 dump_omp_body in the rest of OMP_* nodes that have
6616 Don't handle clause nodes here. Update omp statements to
6617 use dump_omp_clauses.
6618 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6619 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6620 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6621 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6622 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6623 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6624 Adjust output for GOMP_PARALLEL.
6625 (dump_omp_clauses): New.
6626 (print_declaration): Dump DECL_VALUE_EXPR.
6627 (op_symbol_1): Split out of op_symbol.
6628 (dumping_stmts): Remove. Update all users.
6629 * cgraph.c (cgraph_analyze_queue): New.
6630 (cgraph_add_new_function): New.
6631 * cgraph.h (cgraph_analyze_queue): Declare.
6632 (cgraph_add_new_function): Declare.
6633 (cgraph_lower_function): Remove.
6634 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6635 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6636 and TYPE_P nodes in its default clause.
6637 (empty_body_p): New.
6638 (tree_range_check_failed): New.
6640 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6641 OMP_CLAUSE_REDUCTION_MERGE,
6642 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6643 OMP_CLAUSE_PRIVATE_DEBUG,
6644 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6645 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6646 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6647 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6648 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6649 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6650 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6651 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6652 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6653 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6654 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6655 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6656 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6657 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6658 (TREE_RANGE_CHECK): New.
6659 (empty_body_p): Declare.
6660 (enum omp_clause_default_kind): New.
6661 (build_string_literal): Declare.
6662 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6663 (build5_stat, build5): Declare.
6664 * tree-pass.h (TDF_CHAIN): Define.
6665 * tree-pass.h (PROP_gimple_lomp): Define.
6666 (pass_lower_omp): Declare.
6667 * diagnostic.h (debug_tree_chain): Declare.
6668 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6670 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6671 * builtins.c (build_string_literal): Make extern.
6672 * gcc.c (include_spec_function): New.
6673 (static_spec_functions): Add it.
6674 (main): Move load of libgomp.spec ...
6675 (LINK_COMMAND_SPEC): ... here.
6676 (link_gomp_spec): New.
6677 (static_specs): Include it.
6678 (LINK_COMMAND_SPEC): Add link_gomp.
6679 (GOMP_SELF_SPECS): New.
6680 (driver_self_specs): Include it.
6681 (switch_matches): Don't mark inline.
6682 (main): Load libgomp.spec.
6683 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6684 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6685 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6686 * tree-gimple.h (enum omp_parallel): Declare.
6687 (determine_parallel_type): Declare.
6688 (omp_firstprivatize_variable): Declare.
6689 (omp_reduction_init): Declare.
6690 (diagnose_omp_structured_block_errors): Declare.
6691 (struct walk_stmt_info): Add want_return_expr.
6692 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6693 (find_omp_clause): Declare.
6694 (insert_field_into_struct): Declare.
6695 (struct walk_stmt_info): Move from tree-nested.c
6696 (walk_stmts): Declare.
6697 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6699 * cgraphunit.c (cgraph_lower_function): Make static.
6700 (cgraph_finalize_pending_functions): New.
6701 (cgraph_finalize_function): Call it.
6702 (cgraph_finalize_compilation_unit): Likewise.
6703 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6704 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6705 (BT_FN_UINT_UINT): New.
6706 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6707 DEF_FUNCTION_TYPE_VAR_4): Document.
6708 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6709 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6710 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6711 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6712 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6713 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6714 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6715 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6716 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6717 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6718 into separate files.
6719 (DEF_GOMP_BUILTIN): New.
6720 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
6721 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
6722 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
6723 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
6724 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
6725 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
6726 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
6727 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
6728 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
6729 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
6730 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
6731 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
6732 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
6733 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
6734 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
6735 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
6736 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
6737 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
6738 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
6739 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
6740 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
6741 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
6742 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
6743 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
6744 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
6745 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
6746 * sync-builtins.def: New file, moved from builtins.def.
6747 * omp-builtins.def: New file, moved from builtins.def.
6748 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
6749 * gimple-low.c (lower_function_body): Clear data.
6750 (lower_stmt): Do not handle COMPOUND_EXPR.
6751 Remove call to print_node_brief.
6752 * c-tree.h (c_finish_omp_clauses): New prototype.
6753 (C_DECL_THREADPRIVATE_P): Define.
6754 (lookup_name_no_remap, c_omp_remap_private): Remove
6755 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
6756 (check_for_loop_decls): Update decl.
6757 (lookup_name_no_remap, c_omp_remap_private): Declare.
6758 (build_indirect_ref, build_modify_expr, pushdecl,
6759 pushdecl_top_level): Move to c-common.h.
6760 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
6761 before the switch, but just in the 2 places that need it.
6762 * c-decl.c (diagnose_mismatched_decls): Do not check for
6763 mismatched thread-local attributes when OLDDECL is marked
6764 threadprivate and NEWDECL has no thread-local attributes.
6765 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
6766 (c_gimple_diagnostics_recursively): Rename from
6767 c_warn_unused_result_recursively. Invoke
6768 diagnose_omp_structured_block_errors.
6769 (check_for_loop_decls): Return a singular decl found.
6770 * langhooks.c (lhd_omp_predetermined_sharing): Return
6771 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
6772 (lhd_omp_firstprivatize_type_sizes): New.
6773 (lhd_omp_assignment): New.
6774 (lhd_omp_predetermined_sharing): New.
6775 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
6776 (struct lang_hooks_for_types): Add
6777 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
6778 omp_predetermined_sharing, omp_disregard_value_expr,
6779 omp_private_debug_clause, omp_clause_default_ctor,
6780 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
6781 (c_finish_omp_clauses): New.
6782 (c_finish_bc_stmt): Diagnose break within omp for.
6783 (c_begin_omp_parallel, c_finish_omp_parallel): New.
6784 (build_unary_op): Return error_mark after reporting
6786 (build_modify_expr): Likewise.
6787 * gimplify.c: Include optabs.h and pointer-set.h.
6788 (enum gimplify_omp_var_data): Declare.
6789 (struct gimplify_omp_ctx): Declare.
6790 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
6792 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
6793 (push_gimplify_context, pop_gimplify_context): Allow nesting.
6794 (splay_tree_compare_decl_uid): New.
6795 (new_omp_context): New.
6796 (delete_omp_context): New.
6797 (gimple_add_tmp_var): Call omp_add_variable.
6798 (gimplify_bind_expr): Likewise.
6799 (gimplify_var_or_parm_decl): If omp_notice_variable returned
6800 true, disregard DECL_VALUE_EXPR on the decl if any.
6801 (gimplify_expr_in_ctx): New.
6802 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
6803 omp_add_variable, omp_notice_variable, omp_is_private
6804 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
6805 gimplify_adjust_omp_clauses, gimplify_omp_parallel
6806 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
6807 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
6808 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
6809 gimplify_omp_atomic): New.
6810 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6811 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6812 OMP_CRITICAL and OMP_ATOMIC.
6813 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6814 * c-pragma.h (enum pragma_kind): Add
6815 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6816 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6817 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6818 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6819 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6820 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6821 PRAGMA_OMP_THREADPRIVATE.
6822 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6823 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6824 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6825 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6826 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6827 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6828 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6829 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6830 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6831 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6832 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6833 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6834 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6836 (struct nesting_info): Add field_map,
6837 suppress_expansion, debug_var_chain.
6838 (create_nesting_tree): Initialize them.
6839 (lookup_field_for_decl): Use field_map.
6840 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6841 (convert_local_omp_clauses): New.
6842 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6843 (walk_body): Split out of walk_function.
6844 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6845 (convert_nonlocal_reference): Handle omp statements.
6846 (convert_local_reference): Likewise.
6847 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6848 (unnest_nesting_tree): New.
6849 (lower_nested_functions): Call it.
6850 (insert_field_into_struct): Make extern.
6851 (struct walk_stmt_info): Move to tree-gimple.h.
6852 (walk_stmts): Make extern.
6853 * omp-builtins.def: New file.
6854 * tree-iterator.c (expr_only): Clarify comment.
6855 * c-common.h (pushdecl_top_level, pushdecl,
6856 build_modify_expr, build_indirect_ref,
6857 c_finish_omp_master, c_finish_omp_critical,
6858 c_finish_omp_ordered, c_finish_omp_barrier,
6859 c_finish_omp_atomic, c_finish_omp_flush,
6860 c_finish_omp_for, c_split_parallel_clauses,
6861 omp_clause_default_kind, c_omp_sharing_predetermined,
6862 c_omp_remap_decl): Declare.
6863 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6864 (OBJS-common): Add omp-low.o.
6865 (c-omp.o, omp-low.o): Add.
6866 (gimplify.o): Add dependency on $(OPTABS_H).
6867 (GTFILES): Add omp-low.c.
6868 (gt-stringpool.h): Add.
6869 * tree-cfg.c (set_bb_for_stmt): Do not update the
6870 block-to-labels map if we are currently expanding to RTL.
6871 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
6873 Handle IDENTIFIER_NODE.
6874 (tree_verify_flow_info): Do not ICE when emitting error
6875 messages about invalid labels.
6876 (dump_function_to_file): Reset CFUN before emitting the body
6878 (debug_function): New.
6879 * passes.c (init_optimization_passes): Schedule
6881 * langhooks-def.h (lhd_omp_predetermined_sharing,
6882 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
6884 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
6885 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
6886 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
6887 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
6888 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
6889 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
6890 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
6891 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
6892 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
6893 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
6894 (LANG_HOOK_DECLS): Use them.
6896 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6897 Richard Henderson <rth@redhat.com>
6898 Jakub Jelinek <jakub@redhat.com>
6899 Diego Novillo <dnovillo@redhat.com>
6901 * c-parser.c (pragma_omp_clause): Define.
6902 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6903 (c_parser_compound_statement): Likewise.
6904 (c_parser_statement): Likewise.
6905 (c_parser_pragma): Handle omp pragmas.
6906 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6907 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6908 (c_parser_omp_clause_name, check_no_duplicate_clause,
6909 c_parser_omp_variable_list,
6910 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6911 c_parser_omp_clause_copyprivate,
6912 c_parser_omp_clause_default,
6913 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6914 c_parser_omp_clause_lastprivate,
6915 c_parser_omp_clause_nowait,
6916 c_parser_omp_clause_num_threads,
6917 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6918 c_parser_omp_clause_reduction,
6919 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
6920 c_parser_omp_all_clauses, c_parser_omp_structured_block,
6921 c_parser_omp_atomic, c_parser_omp_barrier,
6922 c_parser_omp_critical, c_parser_omp_flush,
6923 c_parser_omp_for_loop, c_parser_omp_for,
6924 c_parser_omp_master, c_parser_omp_ordered,
6925 c_parser_omp_sections_scope, c_parser_omp_sections,
6926 c_parser_omp_parallel, c_parser_omp_single,
6927 c_parser_omp_construct, c_parser_omp_threadprivate): New.
6928 * c-pragma.c (init_pragma): Do omp pragma registration here.
6929 * c.opt (fopenmp): New flag.
6931 2006-01-18 Eric Christopher <echristo@apple.com>
6933 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
6934 * config/darwin.h (GOMP_SELF_SPECS): Define.
6936 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6938 * rtl.h: Remove the prototype for reg_alloc.
6940 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6943 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
6944 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
6945 sjlj and dwarf2 exception handling.
6946 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
6947 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
6948 * pa/pa.c (function_value): Treat complex and vector types as
6950 (function_arg): Likewise. Only pass scalar floats in the floating
6951 point argument registers.
6952 * pa/t-slibgcc-dwarf-ver: New file.
6953 * pa/t-slibgcc-sjlj-ver: New file.
6954 * pa/t-slibgcc-elf-ver: Delete file.
6956 2006-01-19 Alan Modra <amodra@bigpond.net.au>
6958 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
6959 unlikely_test_section_p test.
6961 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6963 * mode-switching.c (optimize_mode_switching): Make it static.
6964 * basic-block.h: Remove the prototype for
6965 optimize_mode_switching.
6967 * modulo-sched.c (sms_schedule): Make it static.
6968 * rtl.h: Remove the prototype for sms_schedule.
6970 * postreload-gcse.c (gcse_after_reload_main): Make it static.
6971 * rtl.h: Remove the prototype for gcse_after_reload_main.
6973 * reg-stack.c (reg_to_stack): Make it static.
6974 * rtl.h: Remove the prototype for reg_to_stack.
6976 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
6978 * rtl.h: Remove the prototypes for regrename_optimize and
6979 copyprop_hardreg_forward.
6981 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
6983 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
6984 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
6985 Test against the appropriate null constant for the mode.
6986 If 'fixup_overlap' is true, swap the operands if they overlap.
6987 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
6988 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
6989 alpha_split_tmode_pair and adjust for above change.
6990 * config/alpha/alpha.md (movtf_internal): Adjust call to
6991 alpha_split_tfmode_pair and rely on it to swap the operands.
6992 (movti_internal): New insn and post-reload splitter.
6993 (movti): New expander.
6995 2006-01-18 Philippe De Muyter <phdm@macqel.be>
6997 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7000 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7002 * rtlanal.c (global_reg_mentioned_p_1,
7003 global_reg_mentioned_p): Remove.
7004 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7006 * flow.c (initialize_uninitialized_subregs): Make it static.
7007 * rtl.h: Remove the prototype for
7008 initialize_uninitialized_subregs.
7010 * function.c (instantiate_virtual_regs): Make it static.
7011 * function.h: Remove the prototype for
7012 instantiate_virtual_regs.
7014 * regmove.c (regmove_optimize, combine_stack_adjustments):
7016 * rtl.h: Remove the prototypes for regmove_optimize and
7017 combine_stack_adjustments.
7019 2006-01-17 Roger Sayle <roger@eyesopen.com>
7021 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7022 (size_cost): Encode costs in bytes so that a reg-reg addition is
7023 equivalent to COSTS_N_INSNS(1).
7024 (override_options): Use the size_cost.branch_cost as the default
7025 ix86_branch_cost when optimizing for size.
7027 2006-01-18 Ben Elliston <bje@au.ibm.com>
7029 * Makefile.in (D32PBIT_FUNCS): New.
7030 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7031 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7032 D64PBIT_FUNCS and D128PBIT_FUNCS.
7033 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7034 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7036 (decnumber_dep): Define.
7037 * doc/libgcc.texi (Decimal float library routines): New node.
7038 * config/dfp-bit.h, config/dfp-bit.c: New files.
7040 2006-01-18 Ben Elliston <bje@au.ibm.com>
7042 * expr.c (emit_move_change_mode): Always adjust addresses, not
7043 just during reload. Copy replacements only during reload.
7044 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7045 emit_move_via_integer.
7047 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7049 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7050 instead of $(srcdir) and ${srcdir}.
7052 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7056 * arm.h (struct machine_function): Add pic_reg.
7057 * arm.c (arm_pic_register): Make unsigned.
7058 (arm_override_options): Only set arm_pic_register if
7059 TARGET_SINGLE_PIC_BASE.
7060 (use_return_insn): Only test for a pic register if it is fixed.
7061 (arm_compute_save_reg0_reg12_mask): Likewise.
7062 (thumb_compute_save_reg_mask): Likewise.
7063 (legitimate_pic_operand): Factor out some known invariants.
7064 (legitimize_pic_address): If we don't have a fixed pic register,
7065 then set up a pseudo in the function entry sequence. Handle the
7066 pic base being in a pseudo.
7067 (arm_load_pic_register): Handle the pic register being in a pseudo.
7068 (arm_expand_prologue): Only set up the pic register if it is fixed.
7069 (thumb_expand_prologue): Likewise.
7070 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7071 (pic_load_addr_based_insn): Likewise.
7072 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7075 2006-01-18 Ben Elliston <bje@au.ibm.com>
7077 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7078 decimal float modes for all floating point registers.
7080 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7081 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7083 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7086 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7087 even when the pointer is not NULL.
7089 2006-01-16 Ian Lance Taylor <ian@airs.com>
7091 * common.opt (ftoplevel-reorder): New option.
7092 * cgraph.c (cgraph_asm_nodes): New global variable.
7093 (cgraph_asm_last_node): New static variable.
7094 (cgraph_order): New global variable.
7095 (cgraph_create_node): Set new order field.
7096 (cgraph_varpool_node): Likewise.
7097 (decide_is_variable_needed): Return true if not
7098 flag_toplevel_reorder.
7099 (cgraph_add_asm_node): New function.
7100 * cgraph.h (struct cgraph_node): Add order field.
7101 (struct cgraph_varpool_node): Add order field.
7102 (struct cgraph_asm_node): Define.
7103 (cgraph_asm_nodes, cgraph_order): Declare.
7104 (cgraph_add_asm_node): Declare.
7105 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7107 (cgraph_varpool_assemble_pending_decls): Call it.
7108 (cgraph_output_pending_asms): New static function.
7109 (cgraph_finalize_compilation_unit): Call it.
7110 (struct cgraph_order_sort): Define.
7111 (cgraph_output_in_order): New static function.
7112 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7113 !flag_toplevel_reorder case.
7114 * c-parser.c: Include "cgraph.h".
7115 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7117 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7118 than -fno-unit-at-a-time.
7119 * doc/invoke.texi (Option Summary): Mention
7120 -fno-toplevel-reorder.
7121 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7122 -funit-at-a-time documentation.
7124 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7125 Kazu Hirata <kazu@codesourcery.com>
7127 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7129 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7131 * Makefile.in (FUNCTION_H): New. Use it instead of
7132 function.h throughout the file.
7133 * function.h: Include tree.h.
7135 2006-01-17 Ben Elliston <bje@au.ibm.com>
7137 * recog.c: Separate some functions with whitespace.
7139 2006-01-16 Richard Henderson <rth@redhat.com>
7141 Merge from gomp branch:
7142 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7143 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7144 and rename from struct inline_data. Rename callee* to dst*;
7145 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7146 transform_new_cfg, transform_return_to_modify, and
7147 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7149 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7150 (copy_decl_for_dup): Remove.
7151 * tree-inline.c (struct inline_data): Move to header.
7152 (insert_decl_map): Export.
7153 (remap_decl): Update for member name changes. Use copy_decl hook.
7154 Allow for replacement to be a non-decl. Remove dead code.
7155 (remap_type_1): Check for existing mapping.
7156 (remap_type): Export.
7157 (remap_decls): Update for member name changes.
7158 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7159 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7160 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7161 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7162 (tree_function_versioning, build_duplicate_type): Likewise.
7163 (copy_body_r): Likewise. Export.
7164 (copy_decl_for_dup): Split into ...
7165 (copy_decl_for_dup_finish, copy_decl_to_var,
7166 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7167 (replace_ref_tree, inlining_p): Remove.
7169 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7171 * ifcvt.c (if_convert): Make it static.
7172 * rtl.h: Remove the prototype for if_convert.
7174 * local-alloc.c (local_alloc): Make it static.
7175 * rtl.h: Remove the prototype for local_alloc.
7177 * loop.c (loop_optimize): Make it static.
7178 * cfgloop.h: Remove the prototype for loop_optimize.
7181 2006-01-16 DJ Delorie <dj@redhat.com>
7183 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7186 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7188 * pa.md: Disparage copies between general and floating-point registers
7189 in 32-bit move patterns.
7191 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7194 * Makefile.in (check-%): Depend on site.exp instead of
7195 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7198 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7200 * global.c (global_alloc): Make it static.
7201 * rtl.h: Remove the prototype for global_alloc.
7203 2006-01-16 Richard Guenther <rguenther@suse.de>
7205 * tree-ssa-alias.c (struct used_part): Add write_only field.
7206 (get_or_create_used_part_for): Initialize it to true.
7207 (create_overlap_variables_for): Don't create structure variables
7208 for structures that only are written to.
7209 (find_used_portions): Handle MODIFY_EXPR to track whether a
7210 structure is only written to.
7212 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7214 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7216 * basic-block.h: Remove the prototype for
7217 partition_hot_cold_basic_blocks.
7219 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7221 * cppspec.c (lang_specific_spec_functions): Remove.
7222 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7223 * gcc.h (lang_specific_spec_functions): Remove.
7224 * gccspec.c (lang_specific_spec_functions): Remove.
7226 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7228 * combine.c (record_value_for_reg): Invalidate registers
7230 (record_dead_and_set_regs_1): Likewise, by passing them to
7231 record_value_for_reg.
7232 (record_dead_and_set_regs): Invalidate stores made by a
7233 call. We do not combine across a call, but we still
7234 relied on equivalences.
7236 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7238 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7239 vrp_int_const_binop returning non-constant nodes.
7241 2006-01-16 Paul Brook <paul@codesourcery.com>
7243 * config/m68k/m68k.c (output_move_const_into_data_reg):
7244 Output correct mnemonic for mvz and mvs.
7246 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7248 * rtl-factoring.c: Add sequence abstraction algorithm.
7249 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7250 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7252 (block_has_preserve_label): New function.
7253 * common.opt: Register new pass.
7254 * Makefile.in: Ditto.
7256 * timevar.def: Ditto.
7257 * tree-pass.h: Ditto.
7258 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7259 * rtl.h (make_jump_insn_raw): Add forward decl.
7260 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7262 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7263 Roger Sayle <roger@eyesopen.com>
7265 * fold-const.c (fold_minmax): New static function.
7266 (fold_binary) <MIN_EXPR>: Call it.
7267 <MAX_EXPR>: Likewise.
7268 * stor-layout.c (place_field): Use DECL_SIZE consistently
7269 in the computation of the new record size.
7271 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7273 * cse.c (cse_condition_code_reg): Make it static.
7274 * rtl.h: Remove the prototype for cse_condition_code_reg.
7276 * combine.c (combine_instructions): Make it static.
7277 * rtl.h: Remove the prototype for combine_instructions.
7279 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7282 * tree.c (get_file_function_name_long): Concatenate the first global
7283 object name with a string derived from the input filename of the object
7286 2006-01-16 Ben Elliston <bje@au.ibm.com>
7288 * config/i386/winnt-stubs.c: Update FSF address.
7289 * config/xtensa/ieee754-df.S: Ditto.
7290 * config/xtensa/ieee754-sf.S: Ditto.
7292 2006-01-14 Ian Lance Taylor <ian@airs.com>
7294 * ifcvt.c (noce_init_if_info): New static function, broken out of
7295 noce_process_if_block.
7296 (noce_process_if_block): Call noce_init_if_info.
7297 (check_cond_move_block): New static function.
7298 (cond_move_process_if_block): New static function.
7299 (process_if_block): Call cond_move_process_if_block.
7301 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7303 * cselib.c (hash_table): Rename to cselib_hash_table.
7304 (cselib_clear_table, discard_useless_values,
7305 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7306 cselib_init, cselib_finish): Adjust uses of hash_table.
7308 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7310 PR tree-optimization/25485
7311 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7312 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7313 is known to be false and true, respectively.
7315 2006-01-14 Richard Guenther <rguenther@suse.de>
7317 PR tree-optimization/22548
7318 PR tree-optimization/22555
7319 PR tree-optimization/22501
7320 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7321 * params.def (salias-max-array-elements): New parameter.
7322 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7323 * doc/invoke.texi (salias-max-array-elements): Document.
7324 * tree-flow-inline.h (var_can_have_subvars): We also handle
7326 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7328 * tree-ssa-structalias.c (params.h): Include.
7329 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7330 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7331 (get_constraint_for): For ADDR_EXPR operating on something
7332 containing an ARRAY_REF, add all subvars to the solution.
7333 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7334 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7335 for creating MUST_DEFs.
7336 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7338 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7340 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7342 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7343 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7344 number_of_iterations_le): New functions.
7345 (number_of_iterations_special): Removed.
7346 (number_of_iterations_exit): Do not use number_of_iterations_special.
7347 * tree.c (unsigned_type_for): Always return integer type.
7349 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7350 Richard Guenther <rguenther@suse.de>
7352 PR rtl-optimization/24257
7353 * gcse.c (find_moveable_store): Only consider a store movable
7354 when the SET_SRC of the insn can be assigned to a register.
7356 2006-01-14 Ian Lance Taylor <ian@airs.com>
7358 * tree.c (tree_not_class_check_failed): New function.
7359 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7360 (tree_not_class_check_failed): Declare.
7362 2006-01-13 Ian Lance Taylor <ian@airs.com>
7364 * reload1.c (do_output_reload): Add assertion rejecting a
7367 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7369 * combine.c (struct reg_stat): Add new fields truncation_label and
7371 (record_value_for_reg): Reset truncated_to_mode.
7372 (record_truncated_value): New function.
7373 (check_promoted_subreg): Call it. Rename to check_conversions.
7374 (combine_instructions): Rename check_promoted_subreg to
7376 (reg_truncated_to_mode): New function.
7377 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7378 (gen_lowpart_or_truncate): New function.
7379 (force_to_mode): Use it instead of gen_lowpart.
7381 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7383 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7384 VAR is a tag, not its type tag.
7386 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7388 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7389 alternatives to match style of other entries.
7390 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7392 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7394 PR tree-optimization/25771
7395 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7398 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7401 * tree-inline.c (declare_return_variable): If the return variable
7402 was marked as a non gimple complex, set the return slot variable
7403 to be a non gimple comple variable.
7405 2006-01-13 Richard Guenther <rguenther@suse.de>
7407 * builtins.c (expand_builtin_sincos): New function.
7408 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7410 (expand_builtin): Expand sincos using expand_builtin_sincos.
7412 2006-01-12 DJ Delorie <dj@redhat.com>
7414 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7415 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7416 so that constant shifts can be split.
7417 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7418 (m32c_valid_pointer_mode): Make static.
7419 (shift_gen_func_for): New.
7420 (m32c_prepare_shift): Use it. Split large const shifts into
7422 * config/m32c/predicates.md (shiftcount_operand): Allow more
7424 (longshiftcount_operand): New.
7425 * doc/md.texi (Machine Constraints): Document In6.
7427 2006-01-13 Ben Elliston <bje@au.ibm.com>
7429 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7430 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7433 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7435 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7436 to try to avoid clobbering pieces of structures when we know
7437 something about the whole structure.
7438 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7440 2006-01-13 Ben Elliston <bje@au.ibm.com>
7442 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7443 return in memory, as this is no limitation is no longer present.
7445 2006-01-12 DJ Delorie <dj@redhat.com>
7447 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7448 mova with fb, and for fb+0 -> An.
7450 * config/m32c/mov.md (peephole2): Fix enabling logic.
7452 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7453 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7454 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7455 FINI_ARRAY_SECTION_ASM_OP): Define.
7457 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7459 (m32c_legitimize_reload_address): New logic to reload FB to An.
7460 (m32c_output_reg_push): Add newline.
7461 (m32c_output_reg_pop): Likewise.
7463 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7465 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7467 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7469 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7471 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7473 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7476 2006-01-11 Ben Elliston <bje@au.ibm.com>
7478 * rtlanal.c (find_reg_note): Assert insn is not null.
7480 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7482 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7485 2006-01-11 Jeff Law <law@redhat.com>
7487 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7489 (mark_threaded_blocks, register_jump_thread): New functions.
7490 (thread_through_all_blocks): Remove unwanted argument. No
7491 longer rely on e->aux to communicate thread target info.
7492 Call mark_threaded_blocks. Release the threaded_blocks
7493 bitmap and threaded_edges vector when complete.
7494 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7495 (threaded_blocks): Remove.
7496 (tree_ssa_dominator_optimize): Remove initialization and
7497 finalization of threaded_blocks. Simplify call to
7498 thread_through_all_blocks.
7499 (thread_across_edge): Call register_jump_thread rather than
7500 storing thread information into e->aux.
7501 (free_all_edge_infos): Simplify now that e->aux is no longer
7502 used to communicate with thread_through_all_blocks.
7503 * tree-flow.h (thread_through_all_blocks): Update prototype.
7504 (register_jump_thread): Prototype.
7506 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7508 * df-core.c (df_compact_blocks, df_bb_replace): Use
7509 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7511 2006-01-11 Richard Guenther <rguenther@suse.de>
7513 PR tree-optimization/25734
7514 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7515 stop propagation after successful propagation to the LHS.
7517 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7519 * basic-block.h (control_flow_graph): Change the type of
7520 x_basic_block_info to VEC(basic_block,gc) *.
7521 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7523 (SET_BASIC_BLOCK): New.
7524 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7525 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7526 * cfgbuild.c (find_basic_blocks): Likewise.
7527 * cfglayout.c (fixup_reorder_chain): Likewise.
7528 * cfgrtl.c (create_basic_block_structure,
7529 rtl_create_basic_block): Likewise.
7530 * ifcvt.c (find_if_case_1): Likewise.
7531 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7534 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7536 * Makefile.in: Removed rotted odf.c entry.
7538 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7541 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7542 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7543 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7544 output pattern modifier, not %e.
7545 * config/cris/cris.c (cris_op_str): Update comment about pattern
7547 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7548 before falling through into...
7549 <case 'E'>: Redefined from old 'e' case.
7551 2006-01-11 Jan Hubicka <jh@suse.cz>
7554 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7556 2006-01-11 Jan Hubicka <jh@suse.cz>
7558 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7559 * i386.c (x86_decompose_lea): Kill.
7560 (ix86_rtx_costs): Kill.
7562 2006-01-11 Jan Hubicka <jh@suse.cz>
7564 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7565 * cgraph.h (cgraph_node): Add inline_decl.
7566 (cgraph_insert_node_to_hashtable): Declare.
7567 (save_inline_function_body): Declare.
7568 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7570 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7571 (cgraph_function_versioning): Update call of tree_function_versioning.
7572 (save_inline_function_body): New function.
7573 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7574 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7575 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7576 (cgraph_default_inline_p): Likewise.
7577 (cgraph_decide_inlining_incrementally): Likewise.
7578 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7579 (copy_bb): Kill saving; do updating of clones.
7580 (copy_cfg_body): Kill saving.
7581 (initialize_inlined-parameters): Likewise.
7582 (expand_call_inline): Likewise.
7584 (tree_function_versioning): New parameter "update_clones".
7585 (inlining_p): Kill saving.
7586 * tree-inline.h (tree_function_versioning): Update prototype.
7587 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7590 2006-01-11 Ian Lance Taylor <ian@airs.com>
7592 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7593 Allow undoing set of machine mode.
7594 (do_SUBST): Use enums instead of is_int.
7595 (do_SUBST_MODE): New function.
7596 (SUBST_MODE): New macro.
7597 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7598 reg and trying to replace reg_regno_rtx with a new register.
7599 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7600 (simplify_set): Use SUBST_MODE.
7601 (distribute_notes): Remove code that tried to update reg notes
7602 for regno_reg_rtx changes.
7604 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7606 PR tree-optimization/23109
7607 PR tree-optimization/23948
7608 PR tree-optimization/24123
7610 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7611 * tree-cfg.c (single_noncomplex_succ): New.
7612 * tree-flow.h (single_noncomplex_succ): Declare it.
7613 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7614 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7615 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7616 insert_bb, register_division_in, insert_reciprocals,
7617 replace_reciprocal, free_bb): New.
7618 (execute_cse_reciprocals_1): Rewritten.
7619 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7620 Do not commit any edge insertion. Always compute dominators and
7621 create the allocation pool.
7622 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7623 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7624 * targhooks.c (default_min_divistions_for_recip_mul): New.
7625 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7626 * passes.c (init_optimization_passes): Run recip after tree loop
7628 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7630 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7631 Kenneth Zadeck <zadeck@naturalbridge.com>
7633 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7634 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7635 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7636 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7637 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7638 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7639 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7640 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7641 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7642 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7643 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7644 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7645 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7646 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7647 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7648 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7649 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7650 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7651 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7652 DF_SCAN_POST_ALLOC): New macros.
7653 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7654 df_free_bb_function, df_local_compute_function, df_init_function,
7655 df_dataflow_function, df_confluence_function_0,
7656 df_confluence_function_n, df_transfer_function,
7657 df_finalizer_function, df_free_function, df_dump_problem_function,
7658 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7659 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7660 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7661 df_urec_bb_info, ) New types.
7662 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7664 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7665 df_analyze_simple_change_some_blocks,
7666 df_analyze_simple_change_one_block, df_compact_blocks,
7667 df_bb_replace, df_bb_regno_last_use_find,
7668 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7669 df_insn_regno_def_p, df_find_def, df_find_use,
7670 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7671 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7672 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7673 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7674 debug_df_chain, df_get_dependent_problem, df_chain_create,
7675 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7676 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7677 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7678 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7679 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7680 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7681 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7682 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7683 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7684 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7685 df_reorganize_refs, df_set_state, df_hard_reg_init,
7686 df_read_modify_subreg_p) New public functions.
7687 * df-core.c: The core dataflow solver and glue routines for rtl
7689 (df_init, df_add_problem, df_set_blocks, df_finish,
7690 df_hybrid_search_forward, df_hybrid_search_backward,
7691 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7692 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7693 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7694 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7695 df_reg_defined, df_find_use, df_reg_used, df_dump,
7696 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7697 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7698 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7699 debug_df_useno, reset_df_after_reload): New functions.
7700 * df-scan.c: The scanning fuctions, once in df.c, completely
7701 rewritten so that they now fully model the functionality of
7702 register usage at the backend.
7703 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7704 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7705 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7706 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7707 df_get_artificial_defs, df_get_artificial_uses,
7708 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7709 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7710 df_refs_delete, df_reorganize_refs, df_set_state,
7711 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7712 df_def_record_1, df_defs_record, df_uses_record,
7713 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7714 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7715 df_record_exit_block_uses, df_hard_reg_init): New functions.
7717 * df-problems.c: Seven concrete dataflow problems that use the
7718 scanning in df-scan.c and are solved by the engine in df-core.c.
7719 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
7720 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
7721 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
7722 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
7723 df_ru_free_bb_info, df_ru_alloc,
7724 df_ru_bb_local_compute_process_def,
7725 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7726 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7727 df_ru_transfer_function, df_ru_free, df_ru_dump,
7728 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
7729 df_rd_free_bb_info, df_rd_alloc,
7730 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
7731 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
7732 df_rd_transfer_function, df_rd_free, df_rd_dump,
7733 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
7734 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
7735 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
7736 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
7737 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
7738 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
7739 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
7740 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
7741 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
7742 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
7743 df_urec_mark_reg_change, df_urec_check_earlyclobber,
7744 df_urec_mark_reg_use_for_earlyclobber,
7745 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
7746 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
7747 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
7748 df_urec_dump, df_urec_add_problem, df_chain_alloc,
7749 df_chain_create_bb_process_use, df_chain_create_bb,
7750 df_chain_finalize, df_chain_free, df_chains_dump,
7751 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
7752 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
7753 df_reg_lifetime): New functions.
7754 * df.c: Deleted file.
7755 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
7756 consistent with new df api.
7757 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
7758 rest_of_handle_sms): Ditto.
7759 * web.c (unionfind_union, union_defs, entry_register, web_main):
7761 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
7762 invariant_expr_equal_p, find_defs, check_dependencies,
7763 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
7764 free_inv_motion_data, move_loop_invariants): Ditto.
7765 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
7766 Update dependencies.
7767 (odf.c): Added defective entry that was deleted later in day.
7768 * sched-deps.c (sched_analyze_1): Ditto.
7770 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7772 * tree-ssa-operands.c (get_expr_operands): Record addressable
7773 variables directly. Do not call add_stmt_operands for CONST_DECLs
7775 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
7776 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
7778 2006-01-11 Ben Elliston <bje@au.ibm.com>
7780 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
7781 function returns true in the positive case.
7783 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7786 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
7787 for SI, DI, SF and DF modes. Add alternatives to copy between
7788 general and floating point registers to the 32-bit patterns.
7789 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
7790 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
7791 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
7792 generating 64-bit code.
7793 * config/pa/pa.c (output_move_double): Handle copies between general
7794 and floating registers.
7796 2006-01-10 Stuart Hastings <stuart@apple.com>
7798 * config/i386/i386.md (set_got): Update.
7799 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
7800 (builtin_setjmp_receiver): Mach-O support.
7801 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
7802 (GOT_SYMBOL_NAME): Define.
7803 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7804 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
7805 * config/i386/i386.c (override_options): Revise for Darwin.
7806 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
7807 support. (darwin_x86_file_end): New. (output_set_got): Add label
7808 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
7809 * config/i386/i386-protos.h (output_set_got): Likewise.
7810 * config/darwin.c (machopic_legitimize_pic_address): Update
7813 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7815 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7816 when MODE isn't BLKmode.
7818 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7820 PR rtl-optimization/25367
7821 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7823 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7826 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7827 for a negative bound.
7829 2006-01-10 Richard Guenther <rguenther@suse.de>
7831 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7832 Never override with anything constraint.
7834 2006-01-10 Jan Beulich <jbeulich@novell.com>
7836 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7837 256 bits when optimize_size.
7839 2006-01-10 Jan Beulich <jbeulich@novell.com>
7841 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7843 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7844 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7847 2006-01-10 Ben Elliston <bje@au.ibm.com>
7849 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7851 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7852 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7853 (USE_FP_FOR_ARG): Reject decimal float modes.
7854 (function_arg_advance): Likewise.
7855 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7856 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7857 point types in AltiVec vectors.
7858 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7859 (rs6000_libcall_value): Likewise.
7861 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7863 * config/xtensa/ieee754-df.S: New file.
7864 * config/xtensa/ieee754-sf.S: New file.
7865 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7866 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7867 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7869 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
7871 * config/sh/predicates.md (binary_float_operator,
7872 binary_logical_operator, commutative_float_operator,
7873 equality_comparison_operator, greater_comparison_operator,
7874 less_comparison_operator, logical_operator,
7875 noncommutative_float_operator, shift_operator,
7876 symbol_ref_operand, unary_float_operator): Remove redundant
7879 2006-01-09 Jeff Law <law@redhat.com>
7881 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
7882 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
7883 now unused arguments. Callers updated.
7884 (eliminate_redundant_computations): Remove now unused arguments,
7886 (local_fold): Remove, no longer used.
7887 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
7889 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
7890 (simplify_cond): New function.
7891 (forward_propagate_into_cond): Call simplify_cond.
7893 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
7895 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
7896 (*vec_extractv2di_1_sse): New.
7898 2006-01-09 Ben Elliston <bje@au.ibm.com>
7900 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7902 2006-01-08 Richard Guenther <rguenther@suse.de>
7904 * tree-ssa-structalias.c (get_constraint_for): Remove
7906 (get_constraint_for_component_ref): Likewise.
7907 (do_deref): Likewise.
7908 (get_constraint_for): Likewise.
7909 (do_structure_copy): Likewise.
7910 (handle_ptr_arith): Likewise.
7911 (find_func_aliases): Likewise. Remove unused need_anyoffset
7914 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7915 Kaz Kojima <kkojima@gcc.gnu.org>
7917 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7918 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
7919 (EXTRA_CONSTRAINT_C16): Remove.
7920 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
7921 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
7922 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
7923 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
7924 constants of SHmedia. Handle nested constant expressions of
7926 (andcosts): Fix the costs for SHmedia constants.
7927 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
7928 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
7929 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
7930 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
7931 (movv4hi_i, movv2si_i): Likewise.
7932 (movsi_const): Adjust the second operand of ior so to match with
7934 (movdi_const, movdi_const_32bit): Likewise.
7935 (movdi_const_16bit+1): Don't sign-extend LOW.
7936 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
7938 (*double_shori): Fix the split condition. Use GEN_INT instead
7939 of get_int_mode calls. Mask lower 16-bit of the argument of
7941 (sym2GOTPLT): Remove.
7942 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
7944 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
7945 instead of EXTRA_CONSTRAINT_C16.
7947 2006-01-07 Ian Lance Taylor <ian@airs.com>
7948 David Edelsohn <edelsohn@gnu.org>
7950 PR rtl-optimization/25662
7951 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
7952 for constant operands instead of simplify_gen_binary.
7953 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
7954 after trying simplify_binary_operation
7956 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
7958 * tree.c (iterative_hash_expr): Hash decls based on UID.
7960 2006-01-06 Eric Christopher <echristo@apple.com>
7962 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
7963 (TARGET_UNWIND_EMIT): Fix spelling.
7964 * target.h (gcc_target): Add except_table_label.
7965 * except.c (output_function_exception_table): Use.
7966 * varasm.c (default_emit_except_table_label): New.
7967 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
7969 (asm_out): Add here.
7970 * output.h (default_emit_except_table_label): Prototype.
7971 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
7972 * config/darwin.c (darwin_emit_except_table_label): Define.
7973 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
7975 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
7977 PR tree-optimization/18527
7978 * tree-ssa-loop-niter.c (number_of_iterations_cond,
7979 number_of_iterations_special, number_of_iterations_exit):
7980 Move base and step of an iv to a single structure. Add
7981 no_overflow flag, and use it in # of iterations analysis.
7982 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
7983 folded_casts argument.
7984 (simple_iv): Pass base and step in a structure. Set no_overflow
7986 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
7987 Evaluate expensiveness of computing # of iterations instead of
7988 the final expression.
7989 * tree-scalar-evolution.h (affine_iv): New structure.
7990 (simple_iv): Declaration changed.
7991 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
7992 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
7993 find_givs_in_stmt): Changed due to simple_iv change.
7995 2006-01-06 Jeff Law <law@redhat.com>
7998 * tree-cfg.c (bsi_replace): Rename final argument from
7999 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8000 change (stmt -> orig_stmt).
8001 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8002 (bsi_remove): Add new argument. Remove EH information
8004 (verify_eh_throw_table_statements): New function.
8005 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8007 * tree-optimize.c (execute_free_cfg_annotations): Verify
8008 the EH throw statement table after removing annotations.
8009 * except.h (verify_eh_throw_table_statements): Prototype.
8010 * tree-flow.h (bsi_remove): Update prototype.
8011 * tree-vrp.c (remove_range_assertions): Add new argument to
8013 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8014 * tree-complex.c (expand_complex_div_wide): Likewise.
8015 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8016 * tree-tailcall.c (eliminate_tailcall): Likewise.
8017 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8018 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8019 * tree-nrv.c (tree_nrv): Likewise.
8020 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8021 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8022 (combine_blocks): Likewise.
8023 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8024 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8025 (cleanup_control_flow): Likewise.
8026 (remove_forwarder_block): Likewise.
8027 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8028 * tree-sra.c (sra_replace): Likewise.
8029 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8030 (forward_propagate_single_use_vars): Likewise.
8031 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8032 * tree-inline.c (expand_call_inline): Likewise.
8033 * tree-vect-transform.c (vect_transform_loop): Likewise.
8034 * tree-outof-ssa.c (rewrite_trees): Likewise.
8035 * tree-cfg.c (make_goto_expr_edges): Likewise.
8036 (cleanup_dead_labels): Likewise.
8037 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8038 (bsi_move_before, bsi_move_after): Likewise.
8039 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8040 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8042 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8045 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8047 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8048 on non gimple variables. Also add checks at the top for decls and
8050 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8052 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8053 and IMAGPART_EXPR for creating MUST_DEFs.
8054 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8055 and NAME_MEMORY_TAG separately from the DECLs.
8057 2006-01-06 Richard Guenther <rguenther@suse.de>
8059 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8060 annotation, if necessary.
8061 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8062 redundant calls to update_stmt.
8063 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8066 2006-01-05 Richard Henderson <rth@redhat.com>
8068 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8070 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8072 * c-typeck.c: Update copyright date.
8074 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8076 * c-typeck.c (build_c_cast): Always warn when casting
8077 from a pointer to an integer of different size, even if
8078 the node was constant.
8080 2006-01-05 Richard Guenther <rguenther@suse.de>
8082 PR tree-optimization/22555
8083 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8084 if one structure field is an array.
8085 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8086 operands even if we found a subvar, but ignore VOPs in this
8088 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8090 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8092 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8095 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8097 2006-01-05 Richard Guenther <rguenther@suse.de>
8098 Diego Novillo <dnovillo@redhat.com>
8100 * tree-pass.h (TODO_remove_unused_locals): Define.
8101 * gimple-low.c (expand_var_p, remove_useless_vars,
8102 pass_remove_useless_vars): Remove. Update all users.
8103 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8104 (remove_unused_locals): New function.
8105 * tree-flow.h (remove_unused_locals): Declare.
8106 * passes.c (execute_todo): Call remove_unused_locals if
8107 TODO_remove_unused_locals is set.
8108 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8109 * tree-ssa-dce.c (pass_dce): Likewise.
8110 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8112 2006-01-05 Richard Guenther <rguenther@suse.de>
8114 * tree-flow.h (struct fieldoff): Decompose field to
8115 type, size and decl.
8116 * tree-ssa-alias.c (create_sft): Take type as parameter.
8117 (create_overlap_variables_for): Store type, size and decl
8118 in the fieldoff structure.
8119 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8121 (push_fields_onto_fieldstack): Likewise.
8122 (create_variable_info_for): Likewise. Use offset for the
8123 SFT name if the decl is not available.
8125 2006-01-04 Paul Brook <paul@codesourcery.com>
8127 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8129 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8131 * lambda-code.c (can_put_in_inner_loop): Relax
8133 (can_put_after_inner_loop): New function.
8134 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8135 (perfect_nestify): Change to make copies and modify uses.
8137 2006-01-04 Richard Henderson <rth@redhat.com>
8139 Merge from gomp branch:
8140 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8141 via integer constant.
8142 (pragma_lex): Remove.
8143 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8144 rather than parsing it.
8145 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8146 handle_pragma_extern_prefix): Add %< %> quotes.
8147 (registered_pragmas): New.
8148 (c_register_pragma_1): New.
8149 (c_register_pragma): Use it.
8150 (c_register_pragma_with_expansion): Likewise.
8151 (c_invoke_pragma_handler): New.
8152 (init_pragma): Use cpp_register_deferred_pragma directly for
8154 * c-pragma.h (enum pragma_kind): New.
8155 (pragma_handler): New.
8156 (c_invoke_pragma_handler): Declare.
8157 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8159 * c-common.h (c_common_pch_pragma): Update decl.
8160 * Makefile.in (c-parser.o): Update dependencies.
8161 (GTFILES): Add c-pragma.h.
8162 * c-parser.c (struct c_token): Add pragma_kind.
8163 (struct c_parser): Add in_pragma.
8164 (c_lex_one_token): Always initialize keyword and pragma_kind.
8165 Extract data for CPP_PRAGMA.
8166 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8167 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8168 Don't allow CPP_PRAGMA_EOL if in_pragma.
8169 (c_parser_consume_pragma): New.
8170 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8171 (c_parser_skip_to_end_of_parameter): Likewise.
8172 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8173 (c_parser_skip_to_pragma_eol): New.
8174 (c_parser_external_declaration): Handle CPP_PRAGMA.
8175 (c_parser_compound_statement_nostart): Likewise.
8176 (c_parser_statement_after_labels): Likewise.
8177 (c_parser_pragma): New.
8178 (pragma_lex): Likewise.
8179 (c_parser_pragma_pch_preprocess): New.
8180 (c_parser_new): Merge into ...
8181 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8183 2006-01-04 Jeff Law <law@redhat.com>
8186 * tree-cfg.c (bsi_replace): Remove the original statement
8187 from the EH throw statement table.
8189 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8191 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8192 make the prototype extern "C" and add throw ().
8195 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8196 and pos non-negative and pos + len <= 32.
8197 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8198 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8199 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8202 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8203 as well as sizes not multiple of component size.
8206 * function.c (instantiate_expr): New function.
8207 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8208 walk its DECL_VALUE_EXPR with instantiate_expr.
8210 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8211 DW_OP_deref{,_size} if address isn't going to be added.
8213 2006-01-04 Ben Elliston <bje@au.ibm.com>
8215 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8216 * config/fp-bit.c: Likewise.
8218 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8220 * dominance.c: Add comment about why we use DFS numbering
8223 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8224 Richard Henderson <rth@redhat.com>
8226 Merge from gomp-branch:
8227 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8228 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8230 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8232 PR rtl-optimization/25578
8233 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8234 pass a parameter to simplify_shift_const if changing ASHIFTRT
8237 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8239 * builtins.c (get_builtin_sync_mem): New function.
8240 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8241 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8242 Call get_builtin_sync_mem to generate mem rtx.
8244 2006-01-03 Richard Guenther <rguenther@suse.de>
8247 * stmt.c (add_case_node): Make sure to clear overflow flags
8250 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8252 Merge from gomp-branch.
8253 * config/sparc/sync.md: New file.
8254 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8255 UNSPECV_LDSTUB): New constants.
8256 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8257 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8258 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8261 2006-01-03 Roger Sayle <roger@eyesopen.com>
8263 * combine.c (reg_subword_p): New predicate to test whether the
8264 destination of a set refers to a subword/piece of a register.
8265 (try_combine): Generalize the code to merge the setting of a
8266 pseudo to a constant followed by a set of a subword of that
8267 register to a constant.
8269 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8271 * basic-block.h (control_flow_graph): Change the type of
8272 x_label_to_block_map to VEC(basic_block,gc) *.
8273 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8274 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8276 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8277 VEC(basic_block,heap) *.
8278 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8279 ssa_prop_fini): Adjust the uses of cfg_blocks.
8281 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8283 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8285 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8286 hashing trees instead of a pointer hash.
8287 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8288 compare for MEM_EXPR.
8290 PR rtl-optimization/25130
8291 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8292 when comparing MEMs for GCSE
8294 2006-01-03 Ben Elliston <bje@au.ibm.com>
8296 * targhooks.h (default_decimal_float_supported_p): Declare.
8297 * targhooks.c (default_decimal_float_supported_p): Define.
8298 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8299 `default_decimal_float_supported_p'.
8300 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8302 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8304 * combine.c (apply_distributive_law <SUBREG>): Check
8305 TRULY_NOOP_TRUNCATION.
8307 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8309 * dwarf2out.c (have_switched_text_section): Delete.
8310 (have_multiple_function_sections): New.
8311 (have_location_lists): Make 'bool'.
8312 (add_AT_loc_list): Use 'true' not '1'.
8313 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8314 (output_loc_list): Use have_multiple_function_sections.
8315 (output_ranges): Likewise.
8316 (dwarf2out_begin_function): Set have_multiple_function_sections if
8318 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8319 Check function_section rather than DECL_SECTION_NAME.
8320 (dwarf2out_finish): Use have_multiple_function_sections.
8321 Don't clear have_location_lists.
8323 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8324 Jan Hubicka <jh@suse.cz>
8326 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8327 case of conditional jump jumping to the next instruction.
8328 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8329 cases of conditional jump jumping to the next instruction.
8331 2006-01-02 Jan Hubicka <jh@suse.cz>
8333 * i386.c (*_cost): Add COSTS_N_INSNS.
8334 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8336 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8339 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8341 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8343 * config/arm/arm.c (all_fpus): Fix comment typo.
8344 * config/darwin.c: Likewise.
8345 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8346 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8347 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8349 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8351 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8352 (rs6000_split_compare_and_swapqhi): New.
8353 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8354 (sync_compare_and_swapqhi_internal): New.
8355 * config/rs6000/rs6000-protos.h: Declare.