1 2006-09-01 DJ Delorie <dj@redhat.com>
3 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5 ("stzx_24_<mode>"): Likewise.
6 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8 (cmp<mode>): Change to expander; just save operands.
10 (b<code>): Change to expander, emit compare here.
11 (s<code>_op): Change to use split and expander.
12 (s<code>_24_op): Likewise.
13 (s<code>_<mode>): New.
14 (s<code>_<mode>_24): New.
15 (movqicc_<code>_<mode): New.
16 (movhicc_<code>_<mode>): New.
19 * config/m32c/m32c.c (compare_op0, compare_op1): New.
20 (m32c_pend_compare): New.
21 (m32c_unpend_compare): New.
22 (m32c_expand_scc): New.
23 (m32c_expand_movcc): Emit the compare also.
24 * config/m32c/predicates.md (mra_nopp_operand): New.
26 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
27 Richard Guenther <rguenther@suse.de>
28 Adam Nemet <anemet@caviumnetworks.com>
31 * builtins.c (get_pointer_alignment): Handle more forms
32 of base addresses that can be used to derive more precise
33 information about alignment.
35 2006-09-01 Jason Merrill <jason@redhat.com>
38 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
41 * gimplify.c (voidify_wrapper_expr): Handle null type.
43 2006-09-01 Josh Conner <jconner@apple.com>
46 * tree-nrv.c (dest_safe_for_nrv_p): New function.
47 (execute_return_slot_opt): Use it.
49 2006-08-31 Josh Conner <jconner@apple.com>
52 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
55 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
57 PR tree-optimization/28839
58 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
59 blocks in that phi arguments appear.
61 2006-08-31 Roger Sayle <roger@eyesopen.com>
64 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
65 NULL, otherwise use an advance_loc4 to adjust relative to the
67 (output_cfi) <DW_CFA_set_loc>: Update the current label.
68 (dwarf2out_switch_text_section): Reset the current label to avoid
69 using advance_loc4 over section boundaries.
71 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
74 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
77 2006-08-30 Richard Guenther <rguenther@suse.de>
79 * Makefile.in (see.o): Add $(EXPR_H) dependency.
81 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
83 PR rtl-optimization/27735
84 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
85 Add new argument to keep track of whether an irreducible region
86 was affected. All callers changed.
87 (fix_irreducible_loops): Removed.
88 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
89 flags were invalidated.
91 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
93 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
94 instead of SF operands.
95 (*fop_df_comm_sse): Likewise.
96 (*fop_df_comm_i387): Likewise.
97 (*fop_df_1_mixed): Likewise.
98 (*fop_df_1_sse): Likewise.
100 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
101 J"orn Rennecke <joern.rennecke@st.com>
103 PR tree-optimization/17506
104 * tree-ssa.c (warn_uninit): If warning about a location outside of
105 the current function, note where the variable was declared.
107 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
109 PR tree-optimization/28411
110 * double-int.c (double_int_div): Use double_int_divmod.
111 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
112 double_int_mod, double_int_smod, double_int_umod): New functions.
113 * double-int.h (double_int_divmod, double_int_sdivmod,
114 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
116 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
118 (get_computation_aff, get_computation_cost_at): Handle double_int
119 return type of constant_multiple_of.
121 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
124 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
125 an implicit conversion.
127 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
129 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
131 2006-08-27 Roger Sayle <roger@eyesopen.com>
133 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
136 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
138 * config/i386/crtfastmath.c: Fix a comment typo.
140 2006-08-26 Roger Sayle <roger@eyesopen.com>
142 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
143 temporary visit flags on CASE_LABEL_EXPRs.
144 * c-common.c (match_case_to_enum): Add function comment. Avoid
145 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
146 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
147 CASE_HIGH_SEEN for enumerated types. If the switch expression is
148 a constant, only warn if that constant value isn't handled.
150 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
153 * input.h (restore_input_file_stack): Declare.
154 (INPUT_FILE_STACK_BITS): Define.
155 * toplev.c (fs_p, input_file_stack_history,
156 input_file_stack_restored, restore_input_file_stack): New.
157 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
158 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
159 (pop_srcloc): Don't free old state of stack.
161 2006-08-26 David Edelsohn <edelsohn@gnu.org>
164 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
165 (PowerPC Type Attributes): New.
167 2006-08-26 Bob Wilson <bob.wilson@acm.org>
169 * config/xtensa/xtensa.c (function_arg_boundary): New.
170 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
172 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
173 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
175 2006-08-26 Jakub Jelinek <jakub@redhat.com>
178 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
181 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
183 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
184 (verify_local_live_at_start): Likewise.
186 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
189 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
190 omp_add_variable): Treat sizes as variable whenever not
193 2006-08-26 Richard Guenther <rguenther@suse.de>
196 * fold-const.c (fold_binary): Fold temporary to correct
197 type before constructing new comparison.
199 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
202 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
203 variable again if DECL_SEEN_IN_BIND_EXPR_P.
205 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
208 * c-decl.c (start_function): Don't try to process prototype
209 information from old declaration that isn't a function.
211 2006-08-25 Jan Hubicka <jh@suse.cz>
214 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
216 2006-08-25 Alan Modra <amodra@bigpond.net.au>
219 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
222 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
224 PR tree-optimization/16876
225 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
226 exit if PARM doesn't match VALUE.
228 2006-08-25 Bob Wilson <bob.wilson@acm.org>
230 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
231 literal_prefix directive.
232 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
233 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
234 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
236 2006-08-25 David Edelsohn <edelsohn@gnu.org>
239 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
240 predicate to general_operand. Add 0->y and I->r alternatives.
242 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
244 * doc/tm.texi: Fix a typo.
245 * predict.c: Fix comment typos.
247 2006-08-25 Nick Clifton <nickc@redhat.com>
249 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
250 assertions of "cpu" and "machine".
252 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
255 * tree-ssa-operands.c (access_can_touch_variable): Don't say
256 the access through a base which has an alias set of 0 cannot
259 2006-08-24 Bill Wendling <wendling@apple.com>
261 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
263 2006-08-24 Jan Hubicka <jh@suse.cz>
265 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
267 2006-08-24 Jan Hubicka <jh@suse.cz>
270 * cgraph.c: Fix comments.
271 (cgraph_varpool_mark_needed_node): Mark only variables not already
273 * cgraphunit.c: Update comments; include gt-cgraphunit.h
274 (cgraph_varpool_assembled_nodes_queue): New static variable.
275 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
276 (cgraph_varpool_output_debug_info): New function.
277 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
278 * Makefile.in: Add gt-cgraphunit.h
280 2006-08-24 Jan Hubicka <jh@suse.cz>
282 * predict.c (probability_reliable_p): New predicate.
283 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
284 (predict_loops): Do not predict loop exit with less than 2%
286 * basic-block.h (edge_probability_reliable_p,
287 br_prob_note_reliable_p): Declare.
288 * ia64.h (ia64_print_operand): Do not disable on-chip branch
289 prediction when static predictor is not reliable.
290 * rs6000.c (output_cbranch): Likewise.
292 2006-08-23 Stuart Hastings <stuart@apple.com>
295 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
296 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
298 2006-08-21 Geoffrey Keating <geoffk@apple.com>
301 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
302 complex values, nor for generic vector values.
304 2006-08-22 Richard Guenther <rguenther@suse.de>
307 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
308 parameter. Convert arguments to arithmetic expression to the
310 (analyze_scalar_evolution_1): Adjust caller.
312 2006-08-22 Jan Hubicka <jh@suse.cz>
314 Patch by Paolo Bonzini
315 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
318 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
320 PR tree-optimization/28003
321 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
322 before grouping aliases.
324 2006-08-22 Roger Sayle <roger@eyesopen.com>
326 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
327 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
329 2006-08-21 Jason Merrill <jason@redhat.com>
332 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
333 wrapper. Loop to handle nested wrappers.
334 (gimplify_bind_expr): Remove temp parameter.
335 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
336 and STATEMENT_LIST on the rhs.
337 (gimplify_statement_list): Voidify the STATEMENT_LIST.
338 (gimplify_expr): Pass pre_p to gimplify_statement_list.
339 (gimplify_target_expr): Remove special BIND_EXPR handling.
341 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
343 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
346 2006-08-21 Olivier Hainque <hainque@adacore.com>
348 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
349 Arrange for the temporary captures of components overlapping the lhs
350 to happen before the lhs is possibly cleared.
352 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
354 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
355 necessary places to pass the correct "number of registers" values
358 2006-08-20 Jan Hubicka <jh@suse.cz>
360 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
361 (create_name_tags): Instead of quadratic checking use hashtable.
362 * bitmap.h: Include hashtab.h.
363 (bitmap_hash): Declare.
364 * bitmap.c (bitmap_hash): New function.
366 2006-08-20 Jan Hubicka <jh@suse.cz>
368 PR rtl-optimization/28071
369 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
371 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
372 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
373 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
374 cgraph_decide_inlining_incrementally): Update use of
375 cgraph_check_inline_limits.
376 * cgraph.c (edge_hash, edge_eq): New function.
377 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
378 cgraph_edge_remove_caller, cgraph_node_remove_callees,
379 cgraph_remove_node): Maintain call site hash.
380 * cgraph.h (struct cgraph_node): Add call_site_hash.
381 (cgraph_set_call_stmt): New function.
383 2006-08-20 Jan Hubicka <jh@suse.cz>
385 PR rtl-optimization/28071
386 * reload1.c (reg_has_output_reload): Turn into regset.
387 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
388 choose_reload_regs, emit_reload_insns): Update to new
389 reg_has_output_reload.
391 2006-08-20 Jan Hubicka <jh@suse.cz>
394 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
396 * cgraphunit.c (cgraph_analyze_function): Don't do so.
398 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
401 * tree.c (handle_dll_attribute): Return early if not a
402 var or function decl.
404 2006-08-18 Joseph Myers <joseph@codesourcery.com>
407 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
408 alignment of SPE vector types.
410 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
412 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
414 2006-08-17 Jakub Jelinek <jakub@redhat.com>
417 * cgraph.h (struct cgraph_node): Remove externally_visible
419 * cgraphunit.c (process_function_and_variable_attributes): Set
420 local.externally_visible rather than externally_visible.
423 * c-common.c (handle_externally_visible_attribute): First look
424 at TREE_CODE and only if it is function or var decl, check for
425 non-public objects. Don't warn for DECL_EXTERNAL.
426 * cgraphunit.c (process_function_and_variable_attributes): Warn
427 if externally_visible attribute is used on non-public object.
429 2006-08-17 Jan Hubicka <jh@suse.cz>
431 PR tree-optimization/27865
432 * reload1.c (forget_marked_reloads): New function.
433 (forget_old_reloads_1): When data are passed, just mark the registers
435 (reload_as_needed): Use the new mechanizm.
437 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
440 * reload.h (reg_equiv_alt_mem_list): New declaration.
441 * reload1.c (reg_equiv_alt_mem_list): New definition.
442 (reload): Initialize it and release it.
443 (delete_output_reload): Use it.
444 * reload.c (push_reg_equiv_alt_mem): New function.
445 (find_reloads_toplev): Call it.
446 (find_reloads_address, find_reloads_address_1): Likewise.
447 (find_reloads_subreg_address): Likewise.
449 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
451 PR rtl-optimization/28489
452 * sched-ebb.c (begin_schedule_ready): Create basic block
454 (advance_target_bb): Skip empty blocks.
455 * haifa-sched.c (bb_note): Make global.
456 * sched-int.h (bb_note): Add prototype.
458 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
460 PR tree-optimization/27865
461 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
463 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
464 fold_used_pointer, pointer_used_p): New functions.
465 (analyze_scalar_evolution_1): Use fold_used_pointer.
466 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
467 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
470 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
473 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
474 or the INTEGER_CST. Fail on a CALL_EXPR.
475 (fold_offsetof): Pass new argument to fold_offsetof_1.
476 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
477 operand into an INDIRECT_REF.
478 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
480 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
482 PR gcov/profile/26570
483 * value-prof.c (static_values): Removed.
484 (tree_find_values_to_profile): Do not set static_values.
485 (find_values_to_profile): Do not free static_values.
486 * profile.c (instrument_values): Do not free the values.
487 (branch_prob): Free the values.
489 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
491 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
493 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
496 * c-typeck.c (build_component_ref): Combine qualifiers of
497 structure or union and field.
499 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
501 PR rtl-optimization/28071
502 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
503 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
504 * tree-into-ssa.c (struct dom_dfsnum): New.
505 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
507 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
508 compute_global_livein.
509 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
510 in phi nodes in the correct blocks.
512 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
514 PR tree-optimization/28364
515 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
517 (fold_affine_expr): New function.
518 (may_eliminate_iv): Use fold_affine_expr.
520 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
523 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
526 2006-08-16 Mike Stump <mrs@apple.com>
528 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
529 * doc/cppopts.texi (-MD): Likewise.
531 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
534 * c-common.c (handle_weak_attribute): Ignore and warn if
535 not a FUNCTION_ or VAR_DECL.
537 2006-07-15 Mike Stump <mrs@apple.com>
540 * c-parser.c (c_parser_typeof_specifier): Don't use
541 c_finish_expr_stmt, open code desired semantics instead.
543 2006-08-15 Nick Clifton <nickc@redhat.com>
545 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
546 fragment to tmake_file only if threads are enabled.
547 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
548 * config/i386/t-gthr-win32: New file. ... here.
550 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
553 * c-parser.c (c_parser_compound_statement_nostart): Reset
554 parser->error after each statement.
556 2006-08-15 Jakub Jelinek <jakub@redhat.com>
559 * omp-low.c (lower_omp_parallel): Convert t to
560 receiver_decl's type.
561 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
562 source before comparison.
565 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
566 to itype in assignment to oldival2.
568 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
572 * c-typeck.c (build_compound_expr): If the second expression
573 is an error mark, then just return an error mark instead of
574 creating a COMPOUND_EXPR.
576 2006-07-14 Mike Stump <mrs@apple.com>
578 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
580 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
582 * c-decl.c, var-tracking.c: Fix comment typos.
584 2006-08-14 Richard Sandiford <richard@codesourcery.com>
586 PR rtl-optimization/28634
587 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
588 for floating-point modes unless flag_unsafe_math_optimizations.
590 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
591 Andrew Pinski <pinskia@physics.uc.edu>
594 * tree.c (build_array_type): Unify array types with
595 unspecified index_type.
596 * c-decl.c (grokdeclarator): Make sure we do not modify a
597 unified incomplete array type.
598 * c-typeck.c (store_init_value): Create distinct type before
599 filling in the index type in an initializer from a compound
602 * c-decl.c (grokdeclarator): Remove code where we copy the
605 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
607 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
608 into account for TODO_dump_cgraph.
609 (TODO_update_ssa_no_phi): Likewise.
610 (TODO_update_ssa_full_phi): Likewise.
611 (TODO_update_ssa_only_virtuals): Likewise.
612 (TODO_remove_unused_locals): Likewise.
613 (TODO_set_props): Likewise.
614 (TODO_update_stmt_usage): Likewise.
616 2006-08-13 Dirk Mueller <dmueller@suse.de>
618 * c-common.c (strict_aliasing_warning): Fix formatting.
620 2006-08-13 Matthias Klose <doko@debian.org>
622 * doc/invoke.texi: Fix spelling errors.
624 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
626 PR rtl-optimization/23454
627 * reorg.c (relax_delay_slots): Update comment.
629 2006-08-11 Richard Guenther <rguenther@suse.de>
632 * simplify-rtx.c (simplify_const_relational_operation):
633 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
636 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
638 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
639 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
641 2006-08-10 Paul Brook <paul@codesourcery.com>
643 * final.c (final_scan_insn): Clear current_insn_predicate before
644 outputting inline asm.
646 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
648 PR tree-optimization/26197
649 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
650 get_ref_base_and_extent and overlap_subvar to add only relevant
651 subvars as may-aliases.
652 (add_may_alias_for_new_tag): New function, factored out of
654 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
655 with additional argument.
656 * tree-flow.h (new_type_alias): Takes additional argument.
658 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
660 * gcov.c (no_data_file): New flag.
661 (read_count_file): Set it if data file not present. Assume counts
663 (output_lines): Don't name the data file, if there wasn't one.
665 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
667 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
668 (rs6000_generate_compare): Tweak comments.
669 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
671 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
673 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
674 (var_debug_decl): New function.
675 (var_reg_set): Follow debug decl link. Add location even if
676 reg is already known to hold some other variable.
677 (var_mem_set): Follow debug decl link.
678 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
679 decl link. Delete other known locations of the variable part
681 (var_reg_delete, var_mem_delete): Delete other known locations
682 of the variable part if requested.
683 (same_variable_part_p): New function.
684 (add_stores): Select MO_COPY when appropriate.
685 (vt_initialize): Handle it.
686 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
687 known locations for MO_SET and MO_CLOBBER.
688 (find_variable_location_part): New function.
689 (set_variable_part, delete_variable_part): Use it.
690 (clobber_variable_part): New function.
691 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
694 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
696 PR tree-optimization/26969
697 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
698 with an empty list of PHIs.
700 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
704 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
707 2006-08-06 Andreas Schwab <schwab@suse.de>
709 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
710 string. Whitespace and comment fixup.
712 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
715 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
719 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
722 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
724 2006-08-04 Jan Hubicka <jh@suse.cz>
728 * reload.c (push_reload): Patch out the mismatching instruction;
730 (find_reload): Bail out if the instruction was patched out.
732 2006-08-04 Jan Hubicka <jh@suse.cz>
734 PR tree-optimization/24888
735 * tree-inline.c (expand_call_inline): Do not re-record variables.
736 (declare_inline_vars): Add variable to unexpanded_var_list.
738 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
739 Roger Sayle <roger@eyesopen.com>
741 PR rtl-optimization/26244
742 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
743 inner_const are negative or greater than or equal to the bitsize of
744 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
745 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
746 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
747 CONST0_RTX (mode) when the new shift count is greater than or equal to
748 to the bitsize of the object being shifted and XEXP (y, 0) has no side
751 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
753 * tree-cfg.c: Fix a comment typo.
755 2006-08-03 Mark Mitchell <mark@codesourcery.com>
758 * varasm.c (output_constant): Give the front end another chance to
759 expand constants, after stripping NOPs.
761 2006-08-03 Jan Hubicka <jh@suse.cz>
763 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
766 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
768 PR tree-optimization/27770
769 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
770 declaration removed (moved to tree-flow.h).
771 (vect_can_force_dr_alignment_p): Likewise.
772 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
773 (moved from tree-vectorizer.h).
774 (vect_can_force_dr_alignment_p): Likewise.
775 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
776 from outside the vectorizer - in particular from cgraph stage.
777 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
778 the alignment of global arrays when -fsection-anchors is enabled.
779 * cgraphunit.c (cgraph_increase_alignment): New function.
780 (cgraph_optimize): Call cgraph_increase_alignment.
782 2006-08-03 David Edelsohn <edelsohn@gnu.org>
785 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
786 not reload a SPE symbol_ref into a lo_sum address.
788 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
791 * dwarf2out.c (prune_unused_types_prune): Move call to
792 prune_unused_types_update_strings to cover the parent DIE also.
794 2006-08-02 Jan Hubicka <jh@suse.cz>
796 PR gcov/profile/28480
797 * tree-cfg.c (change_bb_for_stmt): New function.
798 (tree_merge_blocks, tree_split_blocks): Use it.
800 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
806 * toplev.c (compile_file): Return early on errorcount or sorrycount.
807 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
808 (cgraph_optimize): Likewise.
810 2006-08-01 Stuart Hastings <stuart@apple.com>
812 * rtl.h (UINTVAL) New.
813 * config/rs6000/rs6000.c (SMALL_INT) Use it.
814 * testsuite/gcc.dg/20060801-1.c: New.
816 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
819 * c-typeck.c (build_external_type): Mark used enum types.
820 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
822 (gen_subprogram_die): Whitespace fix.
824 2006-08-01 Jan Hubicka <jh@suse.cz>
826 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
827 bitmap when not needed.
828 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
831 2006-08-01 Dirk Mueller <dmueller@suse.de>
833 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
835 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
837 * Makefile.in: Revert part of previous patch:
838 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
841 2006-07-30 Eric Christopher <echristo@apple.com>
844 * doc/extend.texi (i386 Variable Attributes): Add anchor.
845 (PowerPC Variable Attributes): New section.
847 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
849 PR target/28126 (partial fix)
850 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
852 2006-07-28 Jan Hubicka <jh@suse.cz>
854 PR rtl-optimization/28071
855 * cfgrtl.c (rtl_delete_block): Free regsets.
856 * flow.c (allocate_bb_life_data): Re-use regsets if available.
858 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
860 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
861 and variables used in dependencies.
863 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
865 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
866 %fs for -mcmodel=kernel.
867 (stack_tls_protect_test_di): Likewise.
869 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
871 * Makefile.in: Use mkinstalldirs.
873 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
876 * opts-common.c (prune_options): Skip joined switches.
878 2006-07-27 Jan Hubicka <jh@suse.cz>
880 PR rtl-optimization/28071
881 * cselib.c (cselib_process_insn): Don't remove useless values too
882 often for very large hashtables.
884 2006-07-27 Jan Hubicka <jh@suse.cz>
886 PR rtl-optimization/28071
887 * global.c (greg_obstack): New obstack.
888 (allocate_bb_info): Use it.
889 (free_bb_info): Likewise.
890 (modify_reg_pav): Likewise.
892 2006-07-27 Roger Sayle <roger@eyesopen.com>
894 * builtins.c (fold_fixed_mathfn): When long and long long are the
895 same size, canonicalize llceil*, llfloor*, llround* and llrint*
896 functions to their lceil*, lfloor*, lround* and lrint* forms.
898 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
901 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
903 (rev_branch_insn): Likewise.
905 2006-07-27 Jan Hubicka <jh@suse.cz>
907 PR rtl-optimization/28071
908 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
909 (reg_set_in_bb, max_reg_computed): New static variables.
910 (regmove_optimize): Free the new array.
911 (fixup_match_1): Update call of reg_is_remote_constant_p.
913 2006-07-26 Jan Hubicka <jh@suse.cz>
915 PR tree-optimization/27882
916 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
918 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
920 (cgraph_analyze_compilation_unit): Likewise.
921 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
922 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
923 (cgraph_early_inlinine): Make order garbage collected.
924 * Makefile.in (gt-ipa-inline): New garbagecollected file.
926 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
928 * dbxout.c (output_types_sort): Add a comment.
929 (output_used_types): Free the VEC.
931 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
933 * function.c (reorder_fix_fragments): Delete.
934 (reorder_blocks): Don't call it.
935 (reorder_blocks_1): Put all subblocks under the origin block.
937 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
939 PR rtl-optimization/27907
940 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
943 2006-07-25 Roger Sayle <roger@eyesopen.com>
946 * convert.c (convert_to_integer): When transforming (T)foo(x) into
947 bar(x) check that bar's result type can represent all the values of T.
949 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
951 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
953 2006-07-25 Nick Clifton <nickc@redhat.com>
955 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
957 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
958 (ggc_pch_count_object): Likewise.
959 (ggc_pch_alloc_object): Likewise.
960 (ggc_pch_write_object): Likewise.
961 (init_ggc): Do not attempt to initialize entries in the
962 size_lookup[] array for objects whose size is greater than than
963 the length of the array.
965 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
967 * dbxout.c (output_used_types_helper): Push queued types
969 (output_types_sort): New.
970 (output_used_types): Collect used types on a VEC and sort them
973 2006-07-24 Richard Guenther <rguenther@suse.de>
976 * cgraph.c (cgraph_remove_node): Do not check if dumps
978 * cgraphunit.c (cgraph_optimize): Likewise.
980 2006-07-24 Jan Hubicka <jh@suse.cz>
982 PR rtl-optimization/28071
983 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
984 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
985 splitting before first stmt.
987 2006-07-24 Jan Hubicka <jh@suse.cz>
989 PR rtl-optimization/28071
990 * ipa-inline.c (update_caller_keys): Remove edges that
991 are no longer inline candidates.
993 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
996 * dbxout.c (output_used_types_helper, output_used_types): New.
997 (dbxout_symbol): Call output_used_types.
999 2006-07-23 Jan Hubicka <jh@suse.cz>
1003 * cgraph.c (cgraph_varpool_nodes): Export.
1004 (decide_is_variable_needed): Ignored "used" attribute in
1005 unit-at-a-time mode.
1006 * cgraph.h (cgraph_varpool_nodes): Declare.
1007 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1008 unit-at-a-time mode.
1010 2006-07-23 Roger Sayle <roger@eyesopen.com>
1013 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1014 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1015 the __gthrw form of thr_keycreate.
1016 (__gthread_key_delete): Silence the unused argument warning.
1018 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1021 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1022 Cache the last found '\0' marker to avoid quadratic behavior.
1024 2006-07-23 Jan Hubicka <jh@suse.cz>
1026 * i386.md (subsi_3_zext): Fix output template.
1028 2006-07-21 Mike Stump <mrs@apple.com>
1030 * doc/invoke.texi (C++ Dialect Options): Note that
1031 -fvisibility-inlines-hidden doesn't affect explicitly
1032 instantiationed inline methods.
1034 2006-07-20 Roger Sayle <roger@eyesopen.com>
1036 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1037 if the target assembler is GNU binutils' gas.
1038 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1039 whether to pass GNU gas or native as command line options.
1041 2006-07-20 Jason Merrill <jason@redhat.com>
1043 * tree.c (remove_attribute): New fn.
1044 * tree.h: Declare it.
1046 2006-07-20 Paul Brook <paul@codesourcery.com>
1049 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1050 they are invalidated by this instruction.
1052 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1055 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1057 2006-07-20 Eric Christopher <echristo@apple.com>
1060 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1062 2006-07-19 Eric Christopher <echristo@apple.com>
1064 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1065 Rewrite dependencies for libgcc_s.1.dylib.
1067 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1069 * except.c (duplicate_eh_regions_1): Clear next_peer.
1071 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1073 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1074 -mlongcall does not guarantee all calls will be long.
1075 * doc/extend.texi (long_call/short_call): Document that longcall
1076 does not guarantee a long call will be used.
1077 (longcall/shortcall): Likewise.
1079 2006-07-18 Roger Sayle <roger@eyesopen.com>
1082 * expmed.c (expand_shift): Additionally check that the shift_cost
1083 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1084 before implementing a LSHIFT_EXPR as a sequence of additions.
1085 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1086 middle-end that DImode shifts need to be synthesized by expand.
1088 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1091 * tree-ssa-operands.c (access_can_touch_variable): Update
1093 Return true if ALIAS is .GLOBAL_VAR.
1095 2006-07-18 David Daney <ddaney@avtrex.com>
1097 * gcc.c (display_help): Fix typo in help text.
1099 2006-07-18 Olivier Hainque <hainque@adacore.com>
1101 * tree.h (categorize_ctor_elements): Adjust prototype and add
1102 descriptive comment, both in accordance with the interface change
1104 * varasm.c (constructor_static_from_elts_p): New function.
1105 Whether a constructor node is a valid static constant initializer
1106 if all its elements are.
1107 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1108 * output.h: Declare it.
1109 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1110 is a valid constant initializer instead of computing the number of
1111 non-constant elements. Use constructor_static_from_elts_p for this
1112 purpose. Replace the head comment with an indication that this is a
1113 helper for categorize_ctor_elements.
1114 (categorize_ctor_elements): Same interface change as for the _1
1115 helper. Former head comment from this helper moved here, adjusted to
1116 account for the interface changes.
1117 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1118 (all_zeros_p): Likewise.
1119 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1120 static versions of the constructor from the categorize_ctor_elements
1121 return value instead of the formerly computed number of non-constant
1124 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1126 * configure: Regenerate.
1127 * Makefile.in (build_libsubdir): New configure substitution
1128 (build_libobjdir): New variable.
1129 (BUILD_LIBIBERTY): Use it.
1131 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1134 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1136 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1139 * c-common.c (handle_weakref_attribute): Ignore attribute in
1140 the same conditions the alias attribute is ignored.
1142 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1144 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1145 (dbxout_begin_prologue): Increment scope_labelno.
1147 2006-07-17 Richard Henderson <rth@redhat.com>
1150 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1153 2006-07-17 Roger Sayle <roger@eyesopen.com>
1154 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1156 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1157 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1158 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1159 functions such as sbrk, write, etc.. Add function prototypes.
1160 Convert function declarations from K&R to ISO C. Cast pointers
1161 to "long" and "unsigned long" instead of "int" and "unsigned int".
1162 Convert tokens following #endif into comments.
1164 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1166 * invoke.texi: Remove mention of f77; Reformat table for
1167 inline parameter options correctly; mention that -malign-double
1168 is default on x86-64 targets.
1170 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1172 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1173 (convert_affine_scev, chrec_convert_aggressive): Use
1174 avoid_arithmetics_in_type_p. Do not check for the subtypes
1177 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1180 * optabs.c (expand_doubleword_shift): Wrap the call to
1181 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1183 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1186 * optabs.c (expand_binop): Pass next_methods rather than methods
1187 to expand_doubleword_shift.
1189 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1192 * tree.h (dump_addr): Declare.
1193 * print-tree.c (dump_addr): New function.
1194 (print_node_brief, print_node): Use it.
1195 * print-rtl.c (print_rtx): Likewise.
1196 * common.opt (-fdump-noaddr): New option.
1197 * doc/invoke.texi (-fdump-noaddr): Document.
1198 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1199 (ve_info_hash): Likewise.
1201 2006-07-13 Andrew Haley <aph@redhat.com>
1203 PR tree-optimization/19505
1204 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1205 edge leaving this block, make sure that the destination of this
1206 block has only one predecessor.
1208 2006-07-17 Richard Guenther <rguenther@suse.de>
1210 PR tree-optimization/28238
1211 * tree-inline.c (copy_bb): Check if we produced valid
1212 gimple copying and substituting a stmt. If not, gimplify
1215 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1217 * optabs.c (maybe_encapsulate_block): New function extracted from...
1218 (emit_libcall_block): ...here. Invoke it on the block of insns to
1219 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1220 (emit_no_conflict_block): Likewise.
1222 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1224 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1226 2006-07-15 Roger Sayle <roger@eyesopen.com>
1228 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1229 a new NOP_EXPR case of the switch statement.
1231 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1234 * stor-layout.c (place_field): Take the bit field with
1235 an excessive size into account in the ms-bitfiled case.
1238 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1239 the previous bit field.
1241 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1244 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1246 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1248 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1249 signal frames correctly even when the signal was installed with
1252 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1254 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1255 (dbxout_function_end): Use local label LFBB. Remove hook
1257 (dbxout_source_line): Use local label LFBB.
1258 (dbxout_block): Likewise.
1259 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1260 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1261 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1262 and DBX_OUTPUT_NFUN.
1264 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1266 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1268 2006-07-13 Jan Hubicka <jh@suse.cz>
1270 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1272 * output.h (align_variable): Declare.
1273 * varasm.c (align_variable): Export.
1274 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1275 when basic block changed.
1277 2006-07-13 Nick Clifton <nickc@redhat.com>
1279 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1280 walking the LOG_LINKS chain.
1282 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1284 * doc/invoke.texi (C++ Dialect Options): Explain difference
1285 between -fvisibility-inlines-hidden and setting hidden
1286 visibility explicitly.
1288 2006-07-12 Eric Christopher <echristo@apple.com>
1290 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1291 (stmp-lipo): Depend on libgcc.a.
1293 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1295 * tree.c: Fix a comment typo.
1297 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1299 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1301 (umulhisi3_r): Likewise.
1303 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1306 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1307 x < 19, vs wchar_t support.
1309 2006-07-12 Nick Clifton <nickc@redhat.com>
1311 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1312 instead of -isa=sh4.
1314 2006-07-12 Mike Stump <mrs@apple.com>
1316 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1318 2006-07-10 Eric Christopher <echristo@apple.com>
1320 * config/t-slibgcc-darwin: Rewrite.
1322 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1325 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1328 2006-07-08 Matthias Klose <doko@debian.org>
1330 * doc/sourcebuild.texi: Fix typo.
1332 2006-07-07 Mike Stump <mrs@apple.com>
1334 * toplev.c (process_options): Don't give -ffunction-sections may
1335 affect debugging warning for Mach-O.
1337 2006-07-07 James E Wilson <wilson@specifix.com>
1339 * config/mips/mips.md (cpu): Add sb1a.
1340 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1341 addition to sb1. Adjust comments to clarify SB-1A differences from
1343 (ir_sb1a_load): New. Modify bypasses to use it.
1344 (ir_sb1a_simple_alu): Likewise.
1345 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1346 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1347 (mips_issue_rate): Add PROCESSOR_SB1A.
1348 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1349 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1350 (TARGET_SB1): Add PROCESSOR_SB1A check.
1351 (TUNE_SB1): Likewise.
1353 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1354 * config/mips/mips.c (mips_store_data_bypass_p): New.
1355 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1356 store_data_bypass_p.
1358 2006-07-08 Paul Brook <paul@codesourcery.com>
1361 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1363 2006-07-07 Richard Guenther <rguenther@suse.de>
1366 * tree.h (build_one_cst): Declare.
1367 * tree.c (build_one_cst): New function.
1368 * tree-ssa-math-opts.c (get_constant_one): Remove.
1369 (insert_reciprocals): Use build_one_cst.
1370 * fold-const.c (fold_plusminus_mult): Likewise.
1372 2006-07-07 Roger Sayle <roger@eyesopen.com>
1374 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1375 * cfgloopanal.c (dump_graph): Likewise.
1376 * dojump.c (discard_pending_stack_adjust): Likewise.
1377 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1379 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1380 * function.c (finalize_block_changes): Likewise.
1381 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1382 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1383 * rtl.c (dump_rtx_statistics): Likewise.
1384 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1386 * varray.c (dump_varray_statistics): Likewise.
1387 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1388 decode_decimal64, encode_decimal128, decode_decimal128,
1389 decimal_real_to_decimal): Likewise.
1391 2006-07-07 Richard Guenther <rguenther@suse.de>
1393 PR tree-optimization/28187
1394 * tree-vrp.c (vrp_operand_equal_p): New function.
1395 (vrp_bitmap_equal_p): Likewise.
1396 (update_value_range): Use them to compare old and new
1399 2006-07-06 Roger Sayle <roger@eyesopen.com>
1401 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1402 a default case to switch statement to silence compiler warnings.
1404 2006-07-06 Roger Sayle <roger@eyesopen.com>
1407 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1408 the configured assembler supports the x87's ffreep mnemonic.
1409 * configure: Regenerate.
1410 * config.in: Regenerate.
1412 * config/i386/i386.c (output_387_ffreep): New function.
1413 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1414 (output_387_reg_move): Likewise.
1416 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1418 Port to hosts whose 'sort' and 'tail' implementations
1419 treat operands with leading '+' as file names, as POSIX
1420 has required since 2001. However, make sure the code still
1421 works on pre-POSIX hosts.
1422 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1423 which says you should use "tail -c +N" rather than "tail +Nc".
1424 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1426 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1428 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1431 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1434 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1435 PRE_{INC,DEC} of TFmode.
1437 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1438 Alan Modra <amodra@bigpond.net.au>
1441 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1444 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1447 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1448 Remove duplicate gtu.
1450 2006-07-05 Jason Merrill <jason@redhat.com>
1454 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1455 * c-common.c (handle_packed_attribute): So don't copy it here.
1456 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1458 2006-07-05 Mike Stump <mrs@apple.com>
1460 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1462 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1465 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1467 2006-07-05 Richard Guenther <rguenther@suse.de>
1470 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1471 TARGET_SSE2 targets if using SSE math.
1472 (*absdf2_1): Likewise.
1474 2006-07-05 Richard Guenther <rguenther@suse.de>
1476 PR tree-optimization/28162
1477 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1478 make sure to convert the operands to the correct type.
1480 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1482 PR tree-optimization/28218
1484 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1485 to calculate and free the dominator information.
1487 2006-07-04 Peter O'Gorman <peter@pogma.com>
1489 * mklibgcc.in: chmod 644 before ranlib during install.
1491 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1492 J"orn Rennecke <joern.rennecke@st.com>
1494 * configure.ac (.eh_frame data check): Use diff -b.
1496 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1499 * Makefile.in (BUILD_RTL): Add build/vec.o.
1500 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1501 (build/genextract): Delete.
1502 (build/genautomata): Likewise.
1504 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1507 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1508 128-bit IBM long doubles for ABI_V4.
1510 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1512 * tree.c (range_in_array_bounds_p): New predicate.
1513 * tree.h (range_in_array_bounds_p): Declare it.
1514 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1515 return a less conservative answer.
1516 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1517 and flag 'is_group'.
1518 (IS_ELEMENT_FOR_GROUP): New macro.
1519 (FOR_EACH_ACTUAL_CHILD): Likewise.
1520 (next_child_for_group): New helper function.
1521 (can_completely_scalarize_p): Take into account groups.
1522 (sra_hash_tree): Handle RANGE_EXPR.
1523 (sra_elt_eq): Likewise.
1524 (lookup_element): Be prepared for handling groups.
1525 (is_valid_const_index): Delete.
1526 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1527 instead of is_valid_const_index.
1528 <ARRAY_RANGE_REF>: New case.
1529 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1530 is_valid_const_index.
1531 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1532 (scan_dump): Dump info for groups too.
1533 (decide_instantiation_1): Likewise.
1534 (decide_block_copy): Assert that the element is not a group.
1535 Propagate decision to groups.
1536 (generate_one_element_ref): Handle RANGE_EXPR.
1537 (mark_no_warning): Iterate over actual childs.
1538 (generate_copy_inout): Likewise.
1539 (generate_element_copy): Likewise.
1540 (generate_element_zero): Likewise.
1541 (generate_element_init_1): Likewise.
1542 (dump_sra_elt_name): Handle RANGE_EXPR.
1544 2006-07-03 Roger Sayle <roger@eyesopen.com>
1546 PR tree-optimization/26251
1547 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1548 (thread_block): When optimizing for size refuse to thread jumps
1549 that would require duplication of blocks other than redirection
1552 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1554 * configure.ac: Fix thinko in previous check-in.
1555 * configure: Regenerate.
1557 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1560 * configure.ac (for lang...): Simplify nesting of conditionals.
1561 Test subdir_requires for non-enabled languages. Move processing
1562 of lang_opt_files and lang_tree_fiels below that test.
1563 * configure: Regenerate.
1564 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1566 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1568 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1570 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1572 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1575 2006-06-29 Jason Merrill <jason@redhat.com>
1582 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1583 * c-common.c (c_determine_visibility): Handle it here.
1584 * c-decl.c (finish_decl): Call c_determine_visibility for
1586 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1588 * varasm.c (default_assemble_visibility): Likewise.
1589 * c-common.c (handle_visibility_attribute): Complain about trying
1590 to give visibility to an already defined class, or trying to change
1591 declared visibility. Always attach the attribute.
1596 * attribs.c (decl_attributes): Ignore type-in-place attributes
1597 once the type has been defined.
1599 2006-06-29 Roger Sayle <roger@eyesopen.com>
1602 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1603 to indicate the cpplib has issued an error message for us.
1605 2006-06-29 Asher Langton <langton2@llnl.gov>
1608 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1609 insert a label at the end of an function under Mach-O.
1611 2006-06-29 Eric Christopher <echristo@apple.com>
1612 Evan Cheng <evan.cheng@apple.com>
1614 * predicates.md (vector_all_ones_operand): New.
1615 (nonimmediate_or_sse_const_operand): Ditto.
1616 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1617 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1618 (standard_sse_mode_p): Ditto.
1619 (standard_sse_constant_p): Add case for -1 vector.
1620 (ix86_expand_vector_move): Try to use.
1621 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1622 Call standard_sse_constant_opcode.
1623 (*movv4sf_internal): Ditto.
1624 (*movv2df_internal): Ditto.
1626 2006-06-29 Roger Sayle <roger@eyesopen.com>
1628 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1629 of XEXP to extract the operands of a MATCH_CODE rtx.
1631 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1633 * tree.c (tree_size): Do not waste tail padding in
1634 struct tree_string and make the size be the same as
1635 build_string will generate.
1637 2006-06-28 Jason Merrill <jason@redhat.com>
1640 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1641 may_aliases already in the tag's annotations to the bitmap.
1643 2006-06-28 Roger Sayle <roger@eyesopen.com>
1645 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1647 2006-06-28 Roger Sayle <roger@eyesopen.com>
1649 * genpreds.c (generate_switch_p): New function.
1650 (add_mode_tests): Push the new mode test down inside an AND expr
1651 if this allows the switch-suitable MATCH_CODE to be near the root.
1652 (write_match_code_switch): New function to write a MATCH_CODE as
1654 (write_predicate_stmts): New function to write a predicate RTX
1655 expression as a sequence of statements.
1656 (write_one_predicate_function): Use write_predicate_stmts.
1657 (write_tm_constrs_h): Likewise.
1659 2006-06-26 Fred Fish <fnf@specifix.com>
1661 * config/mips/t-sb1: New file.
1662 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1665 2006-06-26 DJ Delorie <dj@redhat.com>
1667 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1669 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1670 Jayant Sonar <jayants@kpitcummins.com>
1671 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1673 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1674 (subsi3, subsi3_1, subsi3_2): New.
1675 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1676 * config/m32c/mov.md (SI mov peephole): New.
1677 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1678 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1680 2006-06-26 Olivier Hainque <hainque@adacore.com>
1682 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1683 a CALL_EXPR target function declaration.
1685 2006-06-26 Richard Guenther <rguenther@suse.de>
1687 * tree.c (build_string): Do not waste tail padding in
1690 2006-06-26 Richard Guenther <rguenther@suse.de>
1692 * ggc-page.c (init_ggc): Add missing element to size_lookup
1696 2006-06-23 Richard Guenther <rguenther@suse.de>
1698 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1699 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1700 alignment requests instead. Add verification code.
1701 Add struct tree_function_decl and struct tree_binfo size to
1702 extra_order_size_table. Add missing element to size_lookup
1705 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1708 * fold-const.c (const_binop): Be prepared for self returning zero.
1709 Simplify code handling complex values.
1711 2006-06-24 Olivier Hainque <hainque@adacore.com>
1713 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1714 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1717 2006-06-24 Olivier Hainque <hainque@adacore.com>
1719 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1720 ARRAY_REF, so have the callback called for the low bound expression.
1722 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1724 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1725 * c-typeck.c (c_common_type): Disallow operations on decimal float
1726 types and other float types.
1727 * convert.c (convert_to_real): Don't ignore conversions involving
1728 decimal float types.
1730 2006-06-23 Olivier Hainque <hainque@adacore.com>
1732 * tree.c (max_int_size_in_bytes): New function, inspired from
1733 code in function.c:assign_temp.
1734 * tree.h (max_int_size_in_bytes): Declare.
1735 * function.c (assign_temp): Use it.
1736 * gimplify.c (create_tmp_var): Relax the assertions on the type
1737 properties, not mandating constant size any more.
1738 (force_constant_size): New static function.
1739 (gimple_add_tmp_var): Use it, forcing variable size to a
1740 constant upper bound if it is not constant on entry.
1742 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1745 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1746 for initialization and setting of one_only flag to ...
1747 (i386_pe_encode_section_info): ...here.
1748 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1749 Recheck that the symbol has not been defined.
1751 2006-06-23 Richard Guenther <rguenther@suse.de>
1753 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1754 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1755 alignment requests instead. Add verification code.
1756 Add struct tree_function_decl and struct tree_binfo size to
1757 extra_order_size_table. Add missing element to size_lookup
1760 2006-06-22 Roger Sayle <roger@eyesopen.com>
1761 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1764 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1765 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1767 2006-06-23 Ben Elliston <bje@au.ibm.com>
1769 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1770 negate dn -- manipulate it directly.
1772 2006-06-22 Roger Sayle <roger@eyesopen.com>
1773 Steven Bosscher <stevenb.gcc@gmail.com>
1776 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1777 generated by gen_move_insn to add REG_LABEL notes if necessary.
1779 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1781 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1782 (leaf_entry): Remove use of MIN_ESA.
1784 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1786 PR rtl-optimization/28121
1787 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1790 2006-06-21 DJ Delorie <dj@redhat.com>
1792 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1794 (mulhisi3_r): Likewise.
1796 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1799 * coverage.c (coverage_counter_alloc): Leave the index type
1801 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1804 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1806 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1807 section from the "Options for Code Generation Conventions".
1809 2006-06-21 Richard Henderson <rth@redhat.com>
1813 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1815 (global_symbolic_operand): Allow weak symbols, even if local_p.
1817 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1819 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1820 (find_interesting_uses_address): Punt if above function returns true.
1822 2006-06-21 Richard Guenther <rguenther@suse.de>
1824 * configure: Regenerated.
1826 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1828 * config/mips/mips.c (function_arg): Where one part of a
1829 complex argument is in registers and the other part in the stack,
1830 return a REG not a PARALLEL.
1832 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1834 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1835 when cross-compiling. Do not substitute libstdcxx_incdir.
1836 * configure: Regenerated.
1838 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1840 * varasm.c (mergeable_string_section): Check for embedded NULs and
1841 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1842 rather than TREE_STRING_LENGTH bytes.
1844 2006-06-21 Richard Guenther <rguenther@suse.de>
1846 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1847 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1850 2006-06-21 Richrad Guenther <rguenther@suse.de>
1852 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1853 Limit iteration over the dominators.
1855 2006-06-20 Roger Sayle <roger@eyesopen.com>
1857 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1858 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1860 2006-06-20 Richard Guenther <rguenther@suse.de>
1861 Michael Matz <matz@suse.de>
1863 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1865 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1866 * et-forest.h (et_free_pools): Prototype new function.
1867 * et-forest.c (et_free_tree_force): Free parent occurrence.
1868 (et_free_pools): New function.
1869 * dominance.c (free_dominance_info): Free et-forest alloc
1872 2006-06-20 Roger Sayle <roger@eyesopen.com>
1874 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1875 integer modes, attempt to directly construct an integer constant.
1877 * fold-const.c (native_encode_vector): Determine the size of each
1878 element from the vector type instead of the first vector element.
1880 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1881 if all of its elements/components are constant.
1882 (build_constructor_from_list): Likewise.
1884 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1886 PR tree-optimization/27331
1887 * tree-data-ref.c (free_data_ref): New function.
1888 (create_data_ref): Fail if the data reference has unknown access
1890 (free_data_refs): Use free_data_ref.
1892 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1895 * tree-inline.c (setup_one_parameter): Strip useless
1896 type conversion before adding it to the IR.
1897 (declare_return_variable): Likewise.
1899 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1902 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1904 2006-06-19 Mike Stump <mrs@apple.com>
1906 * tree.c (variably_modified_type_p): VM arguments don't make the
1909 2006-06-19 Richard Guenther <rguenther@suse.de>
1911 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1912 type conversions after folding.
1914 2006-06-19 Richard Guenther <rguenther@suse.de>
1916 * ggc-page.c (extra_order_size_tab): Add entries with
1917 size of struct function and basic_block.
1918 (size_lookup): Extend to cover sizes up to 511.
1919 (ggc_alloc_stat): Adjust user.
1920 (ggc_pch_count_object): Likewise.
1921 (ggc_pch_alloc_object): Likewise.
1922 (ggc_pch_write_object): Likewise.
1924 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1926 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1927 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1930 2006-06-19 Denis Chertykov <denisc@overta.ru>
1932 * config/avr/libgcc.S : Correct my wrong previous commit.
1934 2006-06-19 Roger Sayle <roger@eyesopen.com>
1937 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1938 have stripped a SUBREG from the shift count, so we may need to
1939 convert_to_mode back to the type's mode before calling make_tree.
1940 Use new_amount instead of amount to avoid expanding a tree twice.
1942 2006-06-19 Richard Guenther <rguenther@suse.de>
1945 * fold-const.c (operand_equal_p): Check if the argument types
1946 have the same precision before stripping NOPs.
1948 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1950 Fix PR tree-optimization/27341
1951 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1953 * tree-complex.c (pass_lower_complex): Update SMT usage.
1955 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1957 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1958 Add a new alternative to the constraint strings. Add move of
1959 operand 1 to 3 to the splitter definition.
1960 ("doloop_si_long"): Second contraint alternative removed.
1962 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1964 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1965 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1967 (AVR_HAVE_MOVW) Define.
1968 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1969 (ASM_SPEC): Add avr25.
1970 (LINK_SPEC): Add avr25.
1971 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1972 (base_arch_s): Add new member 'have_movw_lpmx'.
1973 (avr_arch_types): Init 'have_movw_lpmx'.
1974 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1975 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1976 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1977 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1978 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1980 (avr_file_start): Do not output '.arh' derective.
1981 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1982 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1983 * config/avr/avr.md (mcu_enhanced): Delete.
1984 (mcu_have_movw): Define.
1985 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1986 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1987 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1988 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1989 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1990 attiny861 and at86rf401 devices.
1992 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1994 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1997 2006-06-17 Karl Berry <karl@gnu.org>
1999 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2000 doc/gccint.texi, doc/install.texi (@dircategory): Use
2001 "Software development" instead of "Programming", following
2002 the Free Software Directory.
2004 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2006 * config/i386/i386.c (legitimate_tls_address)
2007 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2008 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2009 (*tls_dynamic_gnu2_combine_64): Likewise.
2011 2006-06-16 Richard Guenther <rguenther@suse.de>
2014 * fold-const.c (negate_expr_p): Do not introduce undefined
2015 overflow in negating INTEGER_CSTs.
2016 (fold_negate_expr): Rename from negate_expr. Revert last
2017 change for folding BIT_NOT_EXPR. Change semantics to
2018 return NULL_TREE for non-simplified negations. Do not
2019 strip type conversions and unify type handling.
2020 (negate_expr): New function, wrap around fold_negate_expr
2021 but ensure building a tree always. Strip type conversions
2022 here, fold to result type.
2023 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2025 2006-06-16 Roger Sayle <roger@eyesopen.com>
2028 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2029 that (would) return their results in stack registers.
2031 2006-06-16 Michael Matz <matz@suse.de>
2032 Richard Guenther <rguenther@suse.de>
2034 * fold-const.c (fold_truthop): Only return new tree node if
2035 we canonicalized something.
2037 2006-06-16 Richard Guenther <rguenther@suse.de>
2039 * function.h (enum function_frequency): Move declaration
2040 out of struct function.
2041 (struct function): Move bool fields and the enum to the bitfield
2042 section. Reorder elements to avoid padding. Remove unused
2043 fields left over from the RTL inliner removal.
2044 * function.c (free_after_compilation): Do not zero removed fields.
2045 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2046 (ipa-type-escape.o): Likewise.
2048 2006-06-16 Richard Guenther <rguenther@suse.de>
2050 * cgraph.h (struct cgraph_local_info): Turn bool elements
2052 (struct cgraph_node): Likewise.
2053 (struct cgraph_varpool_node): Likewise.
2055 2006-06-15 Richard Guenther <rguenther@suse.de>
2057 * fold-const.c (fold_truth_not_expr): Rename from
2058 invert_truthvalue. Give it fold_* semantics to avoid
2060 (invert_truthvalue): New function. Wrapper around
2061 fold_truth_not_expr.
2062 (optimize_minmax_comparison): Avoid creating garbage.
2063 (fold_unary): Use fold_truth_not_expr for folding
2065 (fold_ternary): Replace uses of invert_truthvalue with
2066 fold_truth_not_expr where applicable.
2067 * tree.h (fold_truth_not_expr): Prototype.
2069 2006-06-16 Richard Guenther <rguenther@suse.de>
2071 PR tree-optimization/27781
2072 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2073 * ipa-pure-const.c (target.h): Include.
2074 (analyze_function): Do not analyze functions that do not
2077 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2080 * tree-dfa.c (referenced_vars_dup_list): Remove.
2081 (find_referenced_vars): Remove assert.
2082 (referenced_var_check_and_insert): Replace dup list with assert.
2083 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2084 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2086 2006-06-15 Richard Guenther <rguenther@suse.de>
2088 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2089 extra unused identifiers if not dumping.
2090 (create_variable_info_for): Likewise.
2092 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2094 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2095 (derive_constant_upper_bound): Derive more precise upper bound in
2096 common cases. Return type changed to double_int.
2097 (record_estimate): Reflect the changed return type of
2098 derive_constant_upper_bound.
2099 * double-int.c (double_int_zext, double_int_sext): Fix.
2101 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2103 * configure.ac (CFLAGS): Get them from the toplevel or from the
2104 configure invocation.
2105 * configure: Regenerate.
2106 * Makefile.in (CFLAGS): Substitute value provided by configure.
2108 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2111 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2112 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2113 rather than calling add_stmt on it.
2114 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2116 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2119 * reload1.c (reload): Remove registers returned by update_eliminables
2120 from used_spill_regs.
2122 2006-06-13 DJ Delorie <dj@redhat.com>
2124 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2126 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2128 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2129 html__strip_dir, html__mkdir_p. Enhance install-html target.
2130 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2131 * configure: Regenerate.
2133 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2135 * fold-const.c (fold_cond_expr_with_comparison): Check for
2136 Objective-C++ as language in deciding COND_EXPR transformation.
2138 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2141 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2142 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2143 * config/sh/lib1funcs.h (SL, SL1): Define.
2144 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2145 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2146 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2147 (OBJS_Os_4_200): New variable.
2148 ($(T)libgcc-Os-4-200.a): Use it.
2149 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2150 when dividing 1 and/or by 0.
2152 2006-06-13 Roger Sayle <roger@eyesopen.com>
2154 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2155 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2156 * configure: Regenerate.
2158 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2160 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2161 for real instruction.
2163 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2166 * haifa-sched.c (check_cfg): Handle special case.
2168 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2171 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2172 Add debug_info parameter. Chain the vars to the BLOCK instead
2173 of the BIND_EXPR if debug info are requested for them.
2174 (pop_gimplify_context): Adjust for above change.
2175 (gimple_add_tmp_var): Likewise.
2176 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2178 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2179 (convert_local_reference): Likewise.
2180 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2181 (finalize_nesting_tree_1): Request that debug info be emitted
2182 for debug_var_chain.
2184 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2186 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2187 for PR target/27863.
2189 2006-06-13 Richard Guenther <rguenther@suse.de>
2192 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2194 2006-06-13 Richard Guenther <rguenther@suse.de>
2196 PR tree-optimization/27830
2197 * tree-inline.c (copy_body_r): For copying the operand
2198 of an ADDR_EXPR make sure to fold &* afterwards.
2200 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2202 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2203 lvalues in the fb_none case with side-effects.
2205 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2207 * tree-flow.h: Remove the prototype for
2208 compute_phi_arg_on_exit.
2209 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2210 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2213 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2215 * builtins.c (expand_builtin_return_addr): Only use
2216 frame_pointer_rtx when count == 0 and we are expanding
2217 __builtin_return_address.
2219 2006-06-12 Fred Fish <fnf@specifix.com>
2221 * config/mips/mips.c (mips_file_start): Create special section
2222 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2224 2006-06-11 Eric Christopher <echristo@apple.com>
2227 * stor-layout.c (place_field): Remove check for
2228 remaining_in_alignment when aligning at the end of a run.
2230 2006-06-11 Eric Christopher <echristo@apple.com>
2233 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2236 2006-06-11 Roger Sayle <roger@eyesopen.com>
2239 Revert incorrect fix for PR target/27158
2240 2006-05-08 Roger Sayle <roger@eyesopen.com>
2241 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2242 of a reg_equiv_constant if the result is a legitimate constant.
2244 2006-06-11 Roger Sayle <roger@eyesopen.com>
2247 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2248 extract a CONST_VECTOR element and interpret it as an integer.
2249 (vspltis_constant): Use const_vector_elt_as_int instead of the
2250 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2251 * config/rs6000/predicates.md (easy_vector_const): Consider
2252 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2254 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2257 * stor-layout.c (update_alignment_for_field): Don't add extra
2258 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2261 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2263 * config/mips/t-rtems: Add EL/EB multilib variants.
2265 2006-06-09 Mike Stump <mrs@apple.com>
2267 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2269 2006-06-09 David Daney <ddaney@avtrex.com>
2271 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2273 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2275 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2277 2006-06-09 Richard Guenther <rguenther@suse.de>
2279 PR tree-optimization/26998
2280 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2281 of signed types, only TYPE_MIN_VALUE is special, but for both,
2282 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2283 in this case, as is -fwrapv.
2285 2006-06-08 Mike Stump <mrs@apple.com>
2288 * config/darwin.c (darwin_asm_output_anchor): Disable
2289 -fsection-anchors on darwin for now.
2290 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2291 * rs6000/rs6000.c (optimization_options): Likewise.
2293 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2296 * config/i386/i386.c (classify_argument): Skip fields with invalid
2299 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2301 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2302 (cse_insn): Likewise for the stack_pointer_rtx.
2304 2006-06-08 Roger Sayle <roger@eyesopen.com>
2306 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2307 conditions from floating point comparisons.
2309 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2312 * expmed.c (struct alg_hash_entry): Fix type of field T
2313 to match synth_mult argument.
2314 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2316 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2319 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2322 2006-06-08 Richard Guenther <rguenther@suse.de>
2325 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2326 only, if overflow is defined and not trapping.
2327 (negate_expr): Likewise.
2329 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2331 PR tree-optimization/27872
2332 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2333 flag on the new exit edge of the unrolled loop.
2335 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2337 PR rtl-optimization/26449
2338 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2340 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2343 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2344 referenced_variables with matching DECL_UID's.
2345 (find_referenced_vars): Make sure duplicate list is empty to start.
2346 (referenced_var_p): Remove.
2347 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2348 Check if var is in the list, and add if needed. Update the duplicate
2349 list if a different var is in the list with the same DECL_UID.
2350 (add_referenced_var): Call routine to check and insert.
2351 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2352 * tree-flow.h (referenced_vars_dup_list): External declaration.
2354 2006-06-07 Fred Fish <fnf@specifix.com>
2356 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2359 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2362 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2363 the imaginary and real parts of a clobbered register.
2364 Emit insn to set the imaginary part.
2366 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2368 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2369 in lieu of unwind-dw2-fde.c.
2371 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2373 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2375 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2378 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2379 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2380 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2381 V4SImode temporaries and operations instead.
2383 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2385 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2388 2006-06-06 Mike Stump <mrs@apple.com>
2390 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2391 installing during build.
2393 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2395 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2397 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2398 * config/ia64/ia64.c (params.h): New header.
2399 (ia64_optimization_options): New function to adjust parameters.
2400 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2401 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2402 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2404 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2406 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2408 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2411 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2413 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2414 Victor Kaplansky <victork@il.ibm.com>
2416 PR tree-optimization/26360
2417 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2420 2006-06-04 Roger Sayle <roger@eyesopen.com>
2421 Andrew Pinski <pinskia@physics.uc.edu>
2424 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2425 for LABEL_DECL before calling DECL_WEAK.
2428 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2429 LABEL_DECL and PARM_DECL.
2431 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2435 * c-decl.c (grokdeclarator): Disallow variably modified types at
2436 file scope. Avoid marking shared array type of constant size as
2439 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2442 * c-common.c (fold_offsetof_1): Handle static members.
2444 2006-06-04 Eric Christopher <echristo@apple.com>
2446 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2447 (debug_rli): Output value for remaining_in_alignment.
2448 (update_alignment_for_field): Unconditionalize
2449 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2450 extra alignment code.
2451 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2452 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2453 * tree.h (record_layout_info_s): Remove prev_packed.
2454 * doc/extend.texi (ms_struct): Add documentation of format.
2456 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2458 * tree.h: Declare folding_initializer.
2459 * builtins.c (fold_builtin_constant_p): Give definite answer
2460 if folding inside an initializer.
2461 * fold-const.c: Define folding_initializer.
2462 (START_FOLD_INIT): Save and then set folding_initializer.
2463 (END_FOLD_INIT): Restore folding_initializer.
2465 2006-06-04 Richard Guenther <rguenther@suse.de>
2467 PR tree-optimization/27039
2468 * fold-const.c (fold_comparison): Handle pointer comparison
2469 again for all comparison codes. Compare offsets in signed
2471 (fold_binary): Move code from here.
2473 2006-06-03 Roger Sayle <roger@eyesopen.com>
2476 * config/i386/i386.c (construct_container): Split static issued_error
2477 flag into issued_sse_arg_error, issued_sse_ret_error and
2478 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2479 requires the use of x87 registers and the user explicitly
2480 specified the -mno-80387 command line option.
2482 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2484 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2485 HAVE_DECL_SIGALTSTACK.
2487 (segv_handler): Use MC_FLD.
2488 * configure.ac: Check for a sigaltstack declaration.
2489 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2490 * configure: Regenerate.
2491 * config.in: Regenerate.
2493 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2496 * Makefile.in (stmp-fixinc): Fix typo.
2498 2006-06-02 Roger Sayle <roger@eyesopen.com>
2500 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2501 are type correct. Clean-up.
2502 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2503 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2505 2006-06-01 DJ Delorie <dj@redhat.com>
2507 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2508 shift, as we've disabled the "switch" insn that needs it.
2510 2006-06-01 Per Bothner <bothner@bothner.com>
2512 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2513 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2514 * c-ppoutput.c (cb_define): Don't increment line 0.
2516 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2518 * doc/invoke.texi: Add cpu_type power6.
2519 * config.gcc: Add cpu_type power6.
2520 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2521 to power5+ with Altivec.
2522 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2523 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2525 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2527 * config/avr/avr.h (SET_ASM_OP): Define.
2529 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2531 * config/bfin/bfin.c: Fix comment typos.
2533 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2536 * doc/install.texi: Document --enable-bootstrap and
2537 --disable-bootstrap.
2539 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2541 * doc/install.texi: Document that InfoZIP can replace jar.
2543 2006-05-31 Roger Sayle <roger@eyesopen.com>
2545 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2546 isn't available, directly generate the simpler x87 patterns without
2547 the (use (const_int 0)).
2548 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2549 implementation isn't available.
2550 (*negdf2_1): Likewise.
2551 (*negxf2_1): XF mode negation is always done using the x87.
2552 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2554 2006-05-31 Roger Sayle <roger@eyesopen.com>
2556 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2557 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2559 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2561 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2563 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2564 * config/bfin/bfin.c (basic-block.h): Include.
2565 (struct machine_function): New.
2566 (bfin_init_machine_status): New.
2567 (override_options): Initialize init_machine_status.
2568 (bfin_hardware_loop): New.
2569 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2570 (DEF_VEC_P (loop_info)): New.
2571 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2572 (struct loop_info): New.
2573 (loop_info): New typedef.
2574 (struct loop_work): New.
2575 (loop_work): New typedef.
2576 (DEF_VEC_O (loop_work)): New.
2577 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2578 (bfin_dump_loops): New.
2579 (bfin_bb_in_loop): New.
2580 (bfin_scan_loop): New.
2581 (bfin_optimize_loop): New.
2582 (bfin_reorg_loops): New.
2583 (bfin_reorg): Use bfin_reorg_loops.
2584 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2586 (I_REGNO_P): Simplify.
2587 (DP_REGNO_P, DPREG_P): New macros.
2588 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2589 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2590 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2591 Add LT_REGS, LC_REGS, LB_REGS.
2592 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2594 (REGNO_REG_CLASS): Deal with loop registers.
2595 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2597 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2598 New constants for loop registers.
2599 (UNSPEC_LSETUP_END): New.
2600 (seq_insns): New define_attr. Set it for appropriate insns.
2601 (movsi_insn): Add alternatives for move from/to
2602 loop count registers.
2603 (doloop_end): New define_expand.
2604 (loop_end): New define_insn.
2605 (define_split for bad doloop_end): New.
2606 (lsetup_with_autoinit): New define_insn.
2607 (lsetup_without_autoinit): New define_insn.
2608 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2609 * config/bfin/predicates.md (lc_register_operand): New.
2610 (lt_register_operand): New.
2611 (lb_register_operand): New.
2612 (nondp_register_operand): New.
2613 (nondp_reg_or_memory_operand): New.
2614 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2616 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2618 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2619 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2621 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2623 * Makefile.in (CATALOGS): Add po/ prefix.
2624 * configure: Regenerated.
2626 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2629 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2630 a shift operand before calling shift_op. Avoid redundant call of
2633 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2634 DJ Delorie <dj@redhat.com>
2636 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2637 we're inserting is a singlt-bit constant.
2639 2006-05-30 Roger Sayle <roger@eyesopen.com>
2641 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2642 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2644 2006-05-30 Roger Sayle <roger@eyesopen.com>
2646 PR tree-optimization/23452
2647 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2648 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2649 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2650 complex values and with -ffast-math for FP complex values.
2652 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2654 * c-common.h: Remove the prototype for yyparse.
2655 * rtl.h: Remove the prototype for init_loop.
2657 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2659 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2662 2006-05-30 Roger Sayle <roger@eyesopen.com>
2664 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2666 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2667 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2669 2006-05-30 Dirk Mueller <dmueller@suse.de>
2672 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2673 for CONSTANT_CLASS_P expresisons.
2675 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2678 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2680 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2682 PR tree-optimization/27779
2683 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2684 initial_condition instead of CHREC_LEFT.
2686 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2688 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2689 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2690 Make prototypes ISO C90.
2692 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2693 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2695 * see.c (see_analyze_one_def): Correct check.
2696 (see_get_extension_data): Check if extension is parallel.
2697 (see_get_extension_reg): Likewise.
2699 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2702 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2703 into register for (code == GTU).
2705 2006-05-29 Roger Sayle <roger@eyesopen.com>
2707 PR tree-optimization/24964
2708 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2709 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2710 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2711 abs(x)*abs(x) as x*x for scalar floating point modes.
2713 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2716 * lambda-code.c (perfect_nestify): Don't copy statements
2717 in the inner loop: move them to the inner loop header.
2719 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2722 * c-tree.texi: Document OpenMP directives and clauses.
2724 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2726 * varasm.c (globalize_decl): Fix indentation.
2728 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2731 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2732 pass_fre, pass_store_ccp, pass_copy_prop,
2733 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2734 pass_return_slot, pass_object_size, pass_lim,
2735 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2736 pass_loop_prefetch and pass_stdarg.
2738 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2740 * config/bfin/bfin.opt (mfdpic): New option.
2741 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2742 (EXTRA_MULTILIB_PARTS): Likewise.
2743 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2744 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2746 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2747 (CRT_CALL_STATIC_FUNCTION): New.
2748 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2750 (CRT_CALL_STATIC_FUNCTION): New.
2751 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2753 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2754 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2755 (initialize_trampoline): Changed to handle FD-PIC code generation.
2756 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2757 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2758 (override_options): Disallow -mid-shared-library -mfdpic combination.
2759 Can't do unaligned ops if FD-PIC.
2760 Turn off flag_pic if trying to generate non-id-shared-library
2761 non-fdpic code, since it's not supported.
2762 (bfin_assemble_integer): New function.
2763 (TARGET_ASM_INTEGER): Define.
2764 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2766 * config/bfin/crtn.s: Restore them.
2767 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2769 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2770 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2771 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2772 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2773 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2775 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2776 FDPIC_REGS and FDPIC_FPTR_REGS.
2777 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2778 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2779 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2780 (load_funcdescsi): New pattern.
2781 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2782 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2783 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2785 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2787 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2790 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2792 * tree-flow.h: Remove the prototype for add_type_alias.
2793 * tree-ssa-alias.c (add_type_alias): Remove.
2795 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2797 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2798 config/fr30/fr30.md, config/i386/i386-interix.h,
2799 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2800 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2801 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2802 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2803 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2804 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2805 Follow spelling conventions.
2806 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2807 Follow spelling conventions.
2809 2006-05-27 Richard Guenther <rguenther@suse.de>
2812 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2813 to produce a constant of value 1 of generic type.
2815 2006-05-27 Dirk Mueller <dmueller@suse.de>
2817 * cgraphunit.c (decide_is_function_needed): Fix wrong
2820 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2822 PR rtl-optimization/27661
2823 * reload.c (find_reloads): When reloading a VOIDmode constant
2824 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2825 use Pmode as mode of the reload register.
2827 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2829 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2830 is enabled at -O and above.
2832 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2835 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2838 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2841 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2842 for anonymous variables explicitly declared by front ends.
2844 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2846 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2847 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2848 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2849 ref-all pointers, run a finalization pass for them.
2850 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2851 (finalize_ref_all_pointers): New function.
2852 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2853 regular pointer type to a ref-all pointer type.
2854 (get_tmt_for): Return the special memory tag for ref-all pointers.
2856 2006-05-25 Richard Guenther <rguenther@suse.de>
2859 * fold-const.c (fold_binary): Do not look at the stripped
2860 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2862 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2864 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2865 for LT and GT if the computed range is effectively empty.
2867 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2870 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2871 mips_quad_format formats instead of ieee_single_format,
2872 ieee_double_format and ieee_quad_format formats, respectively.
2874 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2876 PR tree-optimization/27639
2877 PR tree-optimization/26719
2878 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2879 call to scev_probably_wraps_p.
2880 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2881 used_in_pointer_arithmetic_p, convert_step): Removed.
2882 (nowrap_type_p): New function.
2883 (scev_probably_wraps_p): Rewritten.
2884 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2885 chrec_convert if chrec_convert_aggressive might have been used.
2886 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2887 scev_direction): New functions.
2888 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2889 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2890 instead of convert_step.
2891 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2892 (convert_step): Declaration removed.
2893 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2895 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2897 * df-core.c: Added to header comments.
2898 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2899 df_ur_bb_info, df_urec_bb_info): Added comments.
2900 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2901 urec, ri problems): Fixed header comments.
2902 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2903 code from df_rd_transfer_function.
2905 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2907 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2908 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2909 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2911 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2913 * expr.c (undefined_operand_subword_p): New.
2914 (emit_move_multi_word): Do not generate move from undefined bits
2915 of a paradoxical subreg.
2917 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2919 PR rtl-optimization/27736
2920 * combine.c (replaced_rhs_value): New variable.
2921 (combine_instructions): Set it.
2922 (distribute_notes): When distributing a note in replaced_rhs_insn,
2923 check whether the value was used in replaced_rhs_value.
2925 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2928 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2929 add_referenced_var instead of add_referenced_tmp_var.
2930 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2931 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2933 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2934 tree_optimize_tail_calls_1): Use add_referenced_var.
2935 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2936 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2937 Use add_referenced_var.
2938 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2939 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2940 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2941 Use add_referenced_var.
2942 * tree-dfa.c (struct walk_state): Remove.
2943 (find_referenced_vars): Remove walk state and vars_found hash table.
2944 (make_rename_temp): Use add_referenced_var.
2945 (find_vars_r): Pass less parameters to add_referenced_var.
2946 (referenced_var_p): New. Is var in referenced_var hash table.
2947 (referenced_var_insert): Assert var isn't already in hash table.
2948 (add_referenced_var): Don't need walk_state parameter. Add var if it
2949 isn't already in the hash table.
2950 (add_referenced_tmp_var): Remove.
2951 (find_new_referenced_vars_1): Use add_referenced_var.
2952 * tree-ssa-pre.c (create_expression_by_pieces,
2953 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2954 Use add_referenced_var.
2955 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2956 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2957 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2959 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2960 vect_create_data_ref_ptr, vect_create_destination_var,
2961 vect_init_vector, vect_build_loop_niters,
2962 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2963 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2964 Use add_referenced_var.
2965 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2966 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2967 (add_referenced_var): Add prototype.
2968 * tree-ssa-structalias.c (get_constraint_for,
2969 intra_create_variable_infos): Use add_referenced_var.
2971 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2973 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2974 big-endian paradoxical subregs.
2975 * var-tracking.c (struct micro_operation_def): Document that,
2976 for modify micro operations, insn is the subsequent instruction.
2977 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2978 (var_reg_set, var_mem_set): ... new functions.
2979 (add_stores): Record subsequent insn.
2980 (compute_bb_dataflow): Use new functions for MO_USE.
2981 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2982 notes after the insn, and modify notes before the insn known
2983 to be the subsequent one.
2984 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2986 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2989 * config/i386/i386.c (ix86_expand_builtin): Use
2990 gen_sse3_monitor64 for TARGET_64BIT.
2992 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2994 PR rtl-optimization/26375
2995 PR rtl-optimization/26855
2996 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2998 (df_ru_bb_local_compute): Reversed statements and removed bogus
2999 comment explaining why they should be in wrong order.
3000 (df_ru_dump, df_rd_dump): Enhanced debug info.
3001 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3003 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3004 reaching uses and fixed space problem.
3006 2006-05-23 Jan Hubicka <jh@suse.cz>
3008 * cgraphunit.c (decide_is_function_needed): Also nested functions
3009 and functions declared inline can be optimized out at -O0.
3011 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3013 * doc/install.texi (Configuration): Remove reference to CrossGCC
3017 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3020 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3021 ix86_compare_emitted is non-NULL.
3023 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3026 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3029 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3031 PR rtl-optimization/25514
3032 * combine.c (replaced_rhs_insn): New variable.
3033 (combine_instructions): Set replaced_rhs_insn when trying to replace
3034 a SET_SRC with a REG_EQUAL note.
3035 (distribute_notes): Use replaced_rhs_insn when determining the live
3036 range of a REG_DEAD register.
3038 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3039 Anatoly Sokolov <aesok@post.ru>
3041 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3042 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3043 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3044 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3045 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3046 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3047 at90usb647, at90usb1286 and at90usb1287 devices.
3048 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3049 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3051 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3053 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3055 2006-05-22 Richard Guenther <rguenther@suse.de>
3058 2006-01-31 Richard Guenther <rguenther@suse.de>
3059 Paolo Bonzini <bonzini@gnu.org>
3061 * doc/install.texi (--disable-libgcc-math): Document.
3063 2006-05-22 Richard Guenther <rguenther@suse.de>
3066 2006-01-31 Richard Guenther <rguenther@suse.de>
3068 * doc/invoke.texi (-msselibm): Document.
3069 * target.h (expand_library_builtin): New target hook.
3070 * builtins.c (expand_builtin): Use expand_library_builtin.
3071 (default_expand_library_builtin): New function.
3072 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3073 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3074 (link_gcc_math_spec): Declare.
3075 (static_specs): Add link_gcc_math_spec.
3076 * expr.h (default_expand_library_builtin): Declare.
3077 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3078 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3079 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3080 * config/i386/i386.opt (msselibm): New target option.
3081 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3082 (ix86_init_sse_abi_builtins): New function.
3083 (ix86_expand_library_builtin): Likewise.
3084 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3085 (override_options): Handle error conditions wrt -msselibm.
3086 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3087 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3088 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3091 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3094 * c-common.c (self_promoting_args_p): Skip erroneous args.
3097 * c-decl.c (finish_struct): Skip erroneous fields.
3099 2006-05-22 Nick Clifton <nickc@redhat.com>
3101 * config/cris/cris.opt (march): Remove VarExists attribute.
3102 (max-stackframe=): Likewise.
3104 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3106 * doc/rtl.texi: Fix a typo.
3107 * see.c: Fix comment typos.
3109 * tree-ssa-structalias.h (alias_info): Remove num_references.
3111 2006-05-21 Mike Stump <mrs@apple.com>
3113 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3115 (darwin_pragma_options): Use BAD instead.
3116 (darwin_pragma_unused): Likewise.
3117 (darwin_pragma_ms_struct): Likewise.
3119 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3121 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3123 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3125 PR rtl-optimization/27671
3126 * simplify-rtx.c (simplify_relational_operation_1): Fix
3127 simplifications of (eq/ne (xor x y) y) and
3128 (eq/ne (xor x y) x).
3130 PR tree-optimization/26622.
3131 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3134 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3136 * tree-cfg.c: Prune whitespace.
3137 (debug_tree_cfg): Point to correct header containing the
3140 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3143 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3145 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3148 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3149 or sorry count is non zero.
3151 2006-05-20 Andreas Schwab <schwab@suse.de>
3153 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3155 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3156 Kenneth Zadeck <zadeck@naturalbridge.com>
3158 PR rtl-optimization/26855
3160 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3162 (df_scan_alloc): Added code to properly handle multiword hard
3163 registers and add all_blocks parameter.
3164 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3165 code to properly handle multiword hard registers.
3166 (df_rescan_blocks): Added code to remove deleted blocks from
3168 (df_ref_create_structure, df_ref_record): Added code to properly
3170 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3171 and set DF_REF_PARTIAL.
3172 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3173 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3174 (df_scan_add_problem): Added flags parameter.
3175 (df_ref_create_structure): Changed switching structure.
3176 (df_bb_refs_record): Fixed case where duplicate artificial refs
3177 were created. Changed location of flags.
3178 (df_record_entry_block_defs): Added code to make stack pointer
3179 live in entry block. Refined cases where frame pointer is needed.
3180 Changed location of flags.
3181 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3182 (df_set_state): Removed function.
3183 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3184 df_insn_create_insn_record, df_insn_refs_delete,
3185 df_ref_create_structure): Formatting changes.
3186 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3187 df_delete_basic_block): New function.
3188 (df_init): Changed location of flags.
3189 (df_add_problem): Added flags parameter and the way flags are
3191 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3192 debug_df_chain): Improved debugging output.
3193 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3194 (df_refs_chain_dump): Removed df parameter.
3195 (df_iterative_dataflow): Added consistency check.
3196 (df_prune_to_subcfg): Made public.
3197 (df_analyze_problem): Added blocks_to_init parameter and made
3199 (df_ref_record, df_bb_refs_record, df_mark_reg,
3200 df_record_exit_block_uses): Whitespace changes.
3201 (df_dump): Whitespace changes.
3202 * df.h: Some reordering to remove forward references.
3203 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3204 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3205 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3206 (dataflow.flags): New field.
3207 (df.flag): Deleted field.
3208 (df_alloc_function): Added additional bitmap parameter.
3209 (df_dependent_problem_function): New type.
3210 (df_problem.changeable_flags): New field.
3211 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3212 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3213 (df_mw_hardreg): New struct.
3214 (DF_INSN_UID_MWS): New macro.
3215 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3217 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3218 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3219 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3220 (df_set_state): Removed function.
3221 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3222 * df-problems.c (df_chain_dump): Removed df parameter.
3223 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3224 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3226 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3227 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3228 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3229 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3230 DF_REF_MUST_CLOBBER cases.
3231 (df_ru_bb_local_compute_process_def,
3232 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3233 df_lr_bb_local_compute, df_ur_bb_local_compute,
3234 df_chain_create_bb): Made subreg aware.
3235 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3236 df_lr_bb_local_compute, df_lr_bb_local_compute,
3237 df_chain_create_bb): Cleanup to use proper macros.
3238 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3239 code to fixup bitvectors.
3240 (df_ri_alloc): Cleared lifetime.
3241 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3242 df_create_unused_note): New function.
3243 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3244 REG_DEAD and REG_UNUSED notes as well as register information.
3245 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3246 df_chains_dump): Fixed crash if problem was never run.
3247 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3248 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3249 df_ri_add_problem): Processes flags in uniform manner.
3250 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3251 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3252 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3253 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3254 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3255 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3256 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3257 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3258 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3259 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3260 * see.c (see_initialize_data): Ditto.
3261 * final.c (rest_of_clean_state) Added regstack_completed.
3262 * rtl.h (regstack_completed): Ditto.
3263 * reg-stack.c (regstack_completed): Ditto.
3265 2006-05-19 Mike Stump <mrs@apple.com>
3267 * c-tree.h (default_conversion): Remove.
3268 * c-common.h (default_conversion): Add.
3270 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3272 * tree-vrp.c (valid_value_p): New function.
3273 (adjust_range_with_scev): Fail if the value of bound is not
3276 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3278 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3279 (mips_fallback_frame_state): Use syscall numbers to determine
3280 the appropriate li instruction for the current ABI. Only use
3281 __NR_sigreturn for o32.
3283 2006-05-19 Nicolas Setton <setton@adacore.com>
3285 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3286 * langhooks.c (lhd_dwarf_name): New function.
3287 * langhooks-def.h (lhd_dwarf_name): Declare.
3288 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3289 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3290 * ada/misc.c (gnat_dwarf_name): New function.
3291 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3293 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3295 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3297 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3298 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3299 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3300 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3301 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3302 determine the size of Wtype, etc.
3303 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3304 (swfloatfuncs): New variable.
3305 (dwfloatfuncs): Likewise.
3306 (lib2funcs): Remove floating-point conversion functions from
3307 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3308 the set of conversion routines needed. Allow entries to specify
3309 an object name, filename and word size. Update users accordingly.
3310 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3311 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3315 2006-02-08 Roger Sayle <roger@eyesopen.com>
3318 * config/fixtfdi.c: New libgcc source file.
3319 * config/fixunstfdi.c: New source file.
3320 * config/floatditf.c: New source file.
3321 * config/floatunditf.c: New souce file.
3322 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3323 files above instead of config/mips/_tilib.c.
3324 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3326 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3328 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3329 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3331 2006-05-18 Mike Stump <mrs@apple.com>
3333 Fix up vla, vm and [*] sematics.
3339 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3340 (c_vla_unspec_p): Add.
3341 (c_vla_type_p): Add.
3342 * c-decl.c (struct c_scope): Add had_vla_unspec.
3343 (build_array_declarator): Add support for [*].
3344 (grokdeclarator): Likewise.
3345 (grokparms): Likewise.
3346 (get_parm_info): Likewise.
3347 * c-objc-common.c (c_vla_unspec_p): Likewise.
3348 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3349 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3350 typeof when argument is a variably modified type not inside sizeof or alignof.
3351 (c_parser_direct_declarator_inner): Propagate errors.
3352 (c_parser_sizeof_expression): Add support for [*].
3353 (c_parser_parms_declarator): Initialize had_vla_unspec.
3354 (c_parser_parms_list_declarator): Likewise.
3355 * c-typeck.c (c_vla_type_p): Add.
3356 (composite_type): Add support for vla compositing.
3357 (comptypes_internal): Add support for vla compatibility.
3358 (c_expr_sizeof_expr): Evaluate vla arguments.
3359 * tree.c (variably_modified_type_p): Update comment for [*].
3361 2006-05-18 Michael Matz <matz@suse.de>
3364 * config.host: Make assignments to host_xmake_file cumulative.
3365 * config.host (*-darwin*): Test $host, not $target.
3367 2006-05-12 Stuart Hastings <stuart@apple.com>
3369 * config/i386/i386.opt (-mstackrealign): New flag.
3370 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3371 (ix86_handle_cconv_attribute): Emit error when
3372 force_align_arg_pointer attribute collides with too many regparms.
3373 (ix86_function_regparm): Limit regparms when used with
3374 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3375 Support stack-realigning prologue in non-main functions. Emit
3376 warning for nested functions under -mstackrealign, emit error for
3377 nested functions with force_align_arg_pointer attribute.
3378 * doc/extend.texi (force_align_arg_pointer): Document it.
3379 * doc/invoke.texi (-mstackrealign): Document it.
3381 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3383 PR rtl-optimization/27477
3384 * combine.c (try_combine): Don't split a parallel consisting
3385 of two sets into two individual sets if both sets reference
3388 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3390 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3391 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3393 * doc/options.texi (VarExists): Updated.
3395 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3397 * unwind-dw2.c: Add declarations for uw_update_context and
3399 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3400 detected, advance frame state and context once to skip over stub.
3402 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3406 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3407 Call rewrite_into_loop_closed_ssa only when something changed.
3408 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3409 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3410 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3411 Test for perfect_nest_p here. Fix formating.
3412 (replace_uses_equiv_to_x_with_y): Fix formating.
3413 (stmt_uses_op): Removed.
3414 (can_convert_to_perfect_nest): Removed loopivs parameter.
3415 Complete the test by checking the scalar dependences.
3416 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3419 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3422 From Dan Kegel <dank@kegel.com>:
3423 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3425 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3427 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3428 if the element type is variably modified without recursing.
3430 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3433 * tree-loop-linear.c (try_interchange_loops): Test for
3434 no data dependences.
3436 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3438 PR tree-optimization/27548
3439 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3440 range of ssa names that appear on abnormal edges.
3441 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3442 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3444 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3447 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3449 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3452 * tree.h (OMP_PARALLEL_COMBINED): Define.
3453 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3454 (new_omp_context): Add is_combined_parallel argument.
3455 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3456 new_omp_context caller.
3457 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3458 Adjust gimplify_scan_omp_clauses callers.
3459 (omp_is_private): Issue errors if iteration variable is firstprivate
3460 or reduction in the current context.
3461 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3462 on combined parallel workshare constructs.
3464 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3466 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3467 (gcc-options.o): New rule.
3469 * optc-gen.awk: Protect variables for gcc-options.o with
3470 #ifdef GCC_DRIVER/#endif.
3472 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3474 Fix PR tree-optimization/27373
3475 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3476 (forward_propagate_addr_expr): Update call.
3478 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3480 * doc/options.texi: Move the Negative option.
3482 2006-05-16 Richard Guenther <rguenther@suse.de>
3484 PR tree-optimization/22303
3485 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3487 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3488 ccp_fold did not simplify the statement.
3490 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3493 * Makefile.in (GCC_OBJS): New.
3494 (OBJS-common): Add opts-common.o.
3495 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3496 (cpp$(exeext)): Likewise.
3497 (gcc.o): Also depend on opts.h.
3498 (opts-common.o): New.
3500 * common.opt (gcoff): Add Negative(gdwarf-2).
3501 (gdwarf-2): Add Negative(gstabs).
3502 (gstabs): Add Negative(gstabs+).
3503 (gstabs+): Add Negative(gvms).
3504 (gvms): Add Negative(gxcoff).
3505 (gxcoff): Add Negative(gxcoff+).
3506 (gxcoff+): Add Negative(gcoff).
3507 * config/i386/i386.opt (m32): Add Negative(m64).
3508 (m64): Add Negative(m32).
3510 * doc/options.texi: Document the Negative option.
3512 * gcc.c: Include "opts.h".
3513 (main): Call prune_options after expandargv.
3515 * optc-gen.awk: Generate common declarations for all flag
3516 variables in options.c. Output the neg_index field.
3518 * opts.c (find_opt): Moved to ...
3519 * opts-common.c: Here. New file.
3521 * opts.h (cl_option): Add a neg_index field.
3523 (prune_options): Likewise.
3525 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3528 * omp-low.c (expand_omp_parallel): Don't assert
3529 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3530 instead search for it.
3533 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3536 2006-05-16 Andreas Schwab <schwab@suse.de>
3538 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3541 2006-05-15 Roger Sayle <roger@eyesopen.com>
3544 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3545 integer constants other than zero are only legitimate on TARGET_64BIT.
3546 <CONST_VECTOR> Only zero vectors are legitimate.
3547 (ix86_cannot_force_const_mem): Integral and vector constants can
3548 always be put in the constant pool.
3550 2006-05-16 DJ Delorie <dj@redhat.com>
3552 * crtstuff.c (__dso_handle): Set section from
3553 TARGET_LBIGCC_SDATA_SECTION if defined.
3554 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3555 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3557 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3560 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3563 2006-05-16 Ben Elliston <bje@au.ibm.com>
3565 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3567 2006-05-15 Per Bothner <per@bothner.com>
3569 * tree.c: (last_annotated_node): Use source_locus typedef.
3570 This permits bootstrapping with --enable-mapped-location.
3572 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3574 PR tree-optimization/26830
3575 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3576 (info_for_ssa_name, current_info_for_ssa_name_age,
3577 blocks_to_update): New variables.
3578 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3579 (clear_ssa_name_info, initialize_flags_in_bb,
3580 mark_block_for_update): New functions.
3581 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3582 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3583 prepare_def_site_for): Use mark_block_for_update.
3584 (mark_def_interesting): Assert that the processed block is marked in
3585 blocks_to_update. Do not take blocks argument.
3586 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3588 (rewrite_update_init_block, rewrite_update_stmt): Only process
3589 blocks with statements to rewrite.
3590 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3591 (update_ssa): Initialize and free blocks_to_update. Do not
3592 clear flags on statements. Do not use blocks bitmap.
3593 * tree.h (SSA_NAME_AUX): Removed.
3594 (struct tree_ssa_name): Removed aux field.
3595 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3597 2006-05-15 Richard Guenther <rguenther@suse.de>
3599 PR tree-optimization/27603
3600 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3601 Do computations in original type.
3603 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3605 * see.c: Code style changes such as redundant paranthesis,
3606 redundant intialization of local variables etc.
3607 (see_main): Declared now as static.
3608 * doc/invoke.texi: Update that -fsee is not enabled by
3611 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3613 * omp-low.c (check_omp_nesting_restrictions): New function.
3614 (scan_omp_1): Call it.
3617 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3618 construct, return *VAR.
3620 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3622 PR rtl-optimization/27406
3623 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3626 2006-05-14 Roger Sayle <roger@eyesopen.com>
3628 PR rtl-optimization/27538
3629 * combine.c (expand_compound_operation): Call gen_lowpart
3630 before calling simplify_shift_const.
3632 2006-05-14 Roger Sayle <roger@eyesopen.com>
3634 PR rtl-optimization/22563
3635 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3636 a fixed width bitfield, always force the intermediates into psuedos.
3638 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3641 * mkconfig.sh: Use operator = instead of == for test.
3643 2006-05-13 Nick Clifton <nickc@redhat.com>
3645 * dwarf2out.c (dbx_reg_number): Check return value from
3646 LEAF_REG_REMAP and only use it if it is valid.
3647 (multiple_reg_loc_descriptor): Likewise.
3649 2006-05-13 Richard Guenther <rguenther@suse.de>
3651 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3654 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3656 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3657 information attached to non-INSNs such as NOTEs.
3658 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3660 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3662 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3664 * config/s390/s390.md: Adjust comment describing On constraint.
3666 2006-05-11 Jan Hubicka <jh@suse.cz>
3668 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3669 to be output at -O0.
3671 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3674 * fold-const.c (size_binop): Move sanity check for arguments to
3675 the beginning of the function.
3678 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3681 2006-05-11 Richard Guenther <rguenther@suse.de>
3684 * fold-const.c (fold_unary): Handle intermediate conversion
3685 to a pointer type like intermediate conversion to an integer
3686 type in folding of (T1)(T2)var to var.
3687 Match the code to the comment in the final conversion for
3688 (T1)(T2)var to (T1)var regarding to type precision. Rather
3689 than disallow T1 being of pointer type, assert that both T1
3690 and var are of pointer type or not. Make sure not to fall
3691 over the frontends lazyness wrt array to pointer decay though.
3693 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3695 * arm.c (arm_struct_value_rtx): Delete.
3696 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3697 (arm_init_cumulative_args): Always initialize nregs to zero.
3699 2006-05-10 Richard Guenther <rguenther@suse.de>
3701 PR tree-optimization/27532
3702 * tree-object-size.c (plus_expr_object_size): Fix typo.
3704 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3707 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3708 ashrdi_const, ashrdi3): Use a scratch register.
3710 2006-05-10 Richard Guenther <rguenther@suse.de>
3712 PR tree-optimization/27302
3713 * fold-const.c (operand_equal_p): For two comparisons,
3714 try comparison of one comparison code swapped if that yields
3717 2006-05-10 Ben Elliston <bje@au.ibm.com>
3719 * tree-pretty-print.c (pretty_print_string): No need to handle
3720 '\0' as a special character.
3722 * tree.h: Include "hashtab.h".
3723 (iterative_hash_expr): Use hashval_t in its prototype.
3724 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3726 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3729 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3730 (hppa*64*-*-hpux11*): Ditto.
3731 (hppa[12]*-*-hpux11*): Ditto.
3733 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3736 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3738 2006-05-09 Michael Matz <matz@suse.de>
3740 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3741 host_extra_gcc_objs and host_xmake_file.
3742 (<*-*-linux*>): Don't overwrite host_xmake_file.
3743 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3744 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3745 (host_detect_local_cpu): Declare.
3746 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3747 * config/i386/i386.c (override_options): Handle -mtune=native
3749 * config/i386/x-i386: New file.
3750 * config/i386/driver-i386.c: New file.
3751 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3754 2006-05-09 Dirk Mueller <dmueller@suse.de>
3755 Richard Guenther <rguenther@suse.de>
3758 * fold-const.c (fold_read_from_constant_string): Relax check
3759 for matching types to matching modes.
3761 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3763 PR rtl-optimization/27335
3764 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3767 2006-05-08 Chao-ying Fu <fu@mips.com>
3768 Richard Sandiford <richard@codesourcery.com>
3770 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3771 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3772 * config/mips/mips.md (UNSPEC_SCC): New constant.
3773 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3774 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3775 (mips_emit_compare): Use it.
3776 (mips_expand_vcondv2sf): New function.
3778 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3780 Fix PR tree-optimization/27093
3781 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3782 renaming when they become not-used_alone.
3784 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3786 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3787 relocation and relocation stubs.
3789 2006-05-08 Eric Christopher <echristo@apple.com>
3791 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3794 2006-05-08 Jan Hubicka <jh@suse.cz>
3797 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3798 unused static functions are needed.
3800 2006-05-08 Roger Sayle <roger@eyesopen.com>
3803 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3804 of a reg_equiv_constant if the result is a legitimate constant.
3806 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3809 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3810 standard 80387 constants, raise the cost to prevent
3811 compress_float_constant() to generate load from memory.
3813 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3815 * config/arm/constraints.md (c): Fix a typo.
3817 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3820 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3823 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3825 (_mm_mwait): Likewise.
3827 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3829 (sse3_monitor): Make it 32bit only.
3830 (sse3_monitor64): New. 64bit monitor.
3832 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3835 * config/i386/i386.c (classify_argument): Skip fields with invalid
3838 2006-05-07 Richard Guenther <rguenther@suse.de>
3840 PR tree-optimization/27409
3841 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3842 Do not try to find zero-sized subvars.
3844 2006-05-07 Richard Guenther <rguenther@suse.de>
3846 PR tree-optimization/27136
3847 * tree-ssa-loop-niter.c (get_val_for): Correct function
3848 comment, assert requirements.
3849 (loop_niter_by_eval): Stop processing if the iterated
3850 value did not simplify.
3852 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3854 * opts.c (flag_see): remove its setting at -O3.
3856 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3858 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3859 * arm/constraints.md: New file.
3860 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3861 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3862 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3863 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3864 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3865 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3866 * arm.md: Include constraints.md.
3867 (thumb_movsi_insn): Use satisfies_constraint_J.
3868 (movhi, movqi): Use satisfies_constraint_I.
3870 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3872 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3873 for atmeg a645 device.
3875 2006-05-06 Richard Guenther <rguenther@suse.de>
3877 PR tree-optimization/27151
3878 * tree-vect-transform.c (vectorizable_condition): Punt on
3879 values that have a different type than the condition.
3881 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3884 * c-parser.c (c_parser_cast_expression): Only insert casts into
3885 hash table if pointer.
3886 * function.c (used_types_insert_helper): Rename from
3888 (used_types_insert): Call used_types_insert_helper.
3889 * function.h (used_types_insert): Accept only one argument.
3891 2006-05-05 David Edelsohn <edesohn@gnu.org>
3893 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3894 scratch with output modifier.
3896 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3899 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3900 with output modifier.
3902 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3905 * config/mips/mips.c (mips_symbolic_address_p): Return true
3906 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3907 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3909 2006-05-04 Richard Guenther <rguenther@suse.de>
3911 PR tree-optimization/14287
3912 PR tree-optimization/14844
3913 PR tree-optimization/19792
3914 PR tree-optimization/21608
3915 PR tree-optimization/27090
3916 * tree-ssa-pre.c (try_combine_conversion): New function.
3917 (compute_avail): After constructing the value-handle
3918 expression, use try_combine_conversion to combine NOP_EXPRs
3919 with previous value-handle expressions and use the result if it
3922 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3924 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3926 2006-05-04 Jan Hubicka <jh@suse.cz>
3929 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3931 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3933 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3934 that this only matches CONST_INTs. All users changed to VOIDmode
3937 * config/bfin/bfin.c: Include "optabs.h".
3938 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3940 (enum bfin_builtins): Add a number of fractional and vector builtins.
3941 (bfin_init_builtins): Likewise.
3942 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3943 (safe_vector_operand, bfin_expand_binop_builtin,
3944 bfin_expand_unop_builtin): New functions.
3945 (bfin_expand_builtin): Handle the new builtins.
3946 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3949 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3952 * Makefile.in (OBJS-common): Add see.o.
3953 (see.o): Add dependencies.
3954 * common.opt (fsee): New flag for the see optimization was added.
3955 * opts.c (flag_see): Initialized.
3956 * passes.c (init_optimization_passes, pass_see): New pass.
3957 * rtl.h (see_main): Declaration as extern.
3958 * timevar.def (TV_SEE): New.
3959 * tree-pass.h (pass_see): Declaration as extern.
3960 * invoke.texi (-fsee): Document.
3961 * recog.c (validate_simplify_insn): New function.
3962 * recog.h (validate_simplify_insn): Declaration as extern.
3963 * df-problems.c (df_chain_dump): Check for NULL.
3965 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3966 Daniel Berlin <dberlin@dberlin.org>
3968 * cfgrtl.c (insert_insn_bb_end_new): New function.
3969 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3971 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3973 * df.h (struct web_entry): Moved from web.c.
3974 (union_defs): Declaration as extern.
3975 (unionfind_root): Likewise.
3976 (unionfind_union): Likewise.
3977 * web.c (struct web_entry): Moved to df.h.
3978 (unionfind_root): Remove static declaration.
3979 (unionfind_union): Likewise.
3980 (union_defs): Likewise and generalize to use callback function.
3981 (web_main): Update arguments for union_defs function call.
3983 2006-05-04 Richard Guenther <rguenther@suse.de>
3985 PR tree-optimization/26447
3986 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3987 produce SSA_NAME copies before the store stmt to avoid
3988 breaking exception handling.
3990 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3993 * gimplify.c (omp_is_private): If var is shared in some outer context,
3994 return false instead of true. Stop searching on parallel context
3997 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4000 * coverage.c: Use get_gcov_unsigned_t() instead of
4001 unsigned_type_node all over.
4003 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4005 PR tree-optimization/27381
4006 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4007 maintain the same immediate_use links.
4008 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4009 node rather than segfaulting.
4011 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4014 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4015 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4016 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4018 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4020 Fix PR tree-optimization/26626
4021 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4023 * tree-ssa-operands.c (access_can_touch_variable): Allow
4024 typecasting through union pointers.
4026 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4029 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4030 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4031 to find if var will be a global variable even in the nested context.
4032 (omp_copy_decl): Only check for global variable at the end, it might
4033 be overridden in outer contexts.
4034 (scan_sharing_clauses): For global variables don't create a field.
4035 (lower_rec_input_clauses): Do nothing for global shared variables.
4036 Emit a barrier at the end of ILIST if there were any decls in both
4037 firstprivate and lastprivate clauses.
4038 (lower_send_clauses): Do nothing for global variables except for
4041 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4043 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4044 of the correct signedness is returned.
4046 2006-05-02 Jeff Law <law@redhat.com>
4048 PR tree-optimization/27364
4049 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4050 multiply expressions.
4052 2006-05-02 Tom Tromey <tromey@redhat.com>
4054 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4056 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4059 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4060 -mthumb -fPIC are used.
4062 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4063 Joshua Kinard <kumba@gentoo.org>
4066 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4067 with 64-bit pointers.
4069 2006-05-02 Paul Brook <paul@codesourcery.com>
4071 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4073 (create_fix_barrier): Check that a suitable barrier location is
4075 (arm_reorg): Include ftmp->address in allowable range of addresses.
4077 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4080 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4083 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4086 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4087 around RESULT_DECL for result passed by reference.
4088 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4089 * omp-low.c (use_pointer_for_field): Don't look at
4090 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4091 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4092 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4093 time or var for passing by reference for
4094 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4095 TREE_ADDRESSABLE variables when passing by reference.
4097 * omp-low.c (dump_omp_region): Fix output formatting.
4100 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4101 (expand_omp_parallel): Likewise.
4102 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4105 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4106 on statement list containing also constructors and destructors.
4107 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4110 * except.c (duplicate_eh_regions): Fix clearing of
4111 cfun->eh->region_array entries.
4113 2006-05-01 DJ Delorie <dj@redhat.com>
4115 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4117 (gcc_cv_objdump): Likewise.
4118 * configure: Regenerated.
4120 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4123 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4124 templates for case 3 and 4.
4126 2006-05-01 DJ Delorie <dj@redhat.com>
4128 * vec.c: Include bconfig.h when appropriate.
4129 * Makefile.in (build/vec.o): Adjust dependencies.
4130 * mkconfig.sh: Make sure config.h isn't used for build machine
4133 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4135 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4137 (mark_phi_for_rewrite): New function.
4138 (insert_phi_nodes_for, mark_use_interesting): Call
4139 mark_phi_for_rewrite.
4140 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4141 (update_ssa): Initialize and free phis_to_rewrite.
4143 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4145 PR rtl-optimization/27291
4146 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4147 folded to a constant.
4149 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4151 PR tree-optimization/27283
4152 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4153 not whole # of iteration descriptions.
4154 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4155 uses abnormal ssa name.
4156 (niter_for_single_dom_exit): Ditto.
4157 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4158 return just the number of iterations.
4160 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4162 PR tree-optimization/27144
4163 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4164 (record_estimate): Only record constant upper bound.
4165 (infer_loop_bounds_from_undefined): Call
4166 compute_estimated_nb_iterations just once.
4167 (proved_non_wrapping_p): Renamed to ...
4168 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4169 (convert_step_widening, scev_probably_wraps_p): Call
4170 n_of_executions_at_most instead of proved_non_wrapping_p.
4171 (substitute_in_loop_info): Do not replace values in bounds.
4172 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4175 2006-05-01 Richard Henderson <rth@redhat.com>
4178 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4179 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4182 2006-05-01 Roger Sayle <roger@eyesopen.com>
4184 * c-typeck.c (parser_build_binary_op): Don't call the function
4185 unsigned_conversion_warning to spot operand/result type overflow.
4186 (build_binary_op): Instead, call convert_and_check instead of
4187 convert to report the problem when the operands are promoted.
4188 * c-common.c (unsigned_conversion_warning): Make static.
4189 * c-common.h (unsigned_conversion_warning): Delete prototype.
4191 2006-05-01 Richard Guenther <rguenther@suse.de>
4193 PR tree-optimization/26726
4194 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4196 (find_interesting_uses_address): ... we work around here
4197 by folding INDIRECT_REFs in the substituted base.
4199 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4201 * omp-low.c (dump_omp_region): Add newlines.
4203 2006-04-30 Roger Sayle <roger@eyesopen.com>
4205 * common.opt (Woverflow): New command line option.
4206 * c-common.c (constant_expression_warning): Check warn_overflow.
4207 (overflow_waring): Pass OPT_Woverflow to warning.
4208 (unsigned_conversion_warning): Likewise.
4209 (convert_and_check): Likewise.
4210 * doc/invoke.texi: Document new command line option.
4212 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4214 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4215 TARGET_NO_FP_IN_TOC for section anchors.
4216 (optimization_options): Enable section anchors for all
4217 non-"Objective" languages.
4219 2006-04-28 Eric Christopher <echristo@apple.com>
4221 * config/darwin-c.c (darwin_ms_struct): Move this
4222 (darwin_set_default_type_attributes): and this...
4223 * config/darwin.c: ... here.
4224 * config/darwin.h (darwin_ms_struct): Declare.
4226 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4228 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4230 2006-04-28 Roger Sayle <roger@eyesopen.com>
4233 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4234 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4235 an unsigned HOST_WIDE_INT.
4236 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4238 (really_start_incremental_init): No need to call convert because
4239 bitsize_zero_node is already of type bitsizetype.
4240 (push_init_level): Extract the value of constructor_index as an
4241 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4242 (process_init_element): Likewise.
4244 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4246 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4247 value before passing to make_relative_prefix.
4249 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4252 * builtins.c (expand_builtin_memset): Expand val in original mode.
4254 2006-04-27 Eric Christopher <echristo@apple.com>
4256 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4257 with #ifndef/#endif.
4258 * config/darwin-c.c (darwin_ms_struct): New.
4259 (darwin_pragma_ms_struct): Ditto.
4260 (darwin_set_default_type_attributes): Ditto.
4261 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4262 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4263 Register ms_struct pragma.
4264 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4265 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4266 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4267 darwin_set_default_type_attributes if TARGET_MACHO.
4269 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4271 PR tree-optimization/26854
4272 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4273 * doc/tree-ssa.texi: Update immuse iterator documentation.
4274 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4275 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4276 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4277 first_safe_imm_use, next_safe_imm_use): Remove.
4278 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4279 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4280 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4281 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4282 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4283 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4284 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4285 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4286 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4287 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4288 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4289 (perfect_nestify): Use new iterator.
4290 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4292 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4293 (next_imm_name): New field in struct immediate_use_iterator_d.
4294 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4295 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4296 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4297 * tree-cfg.c (replace_uses_by): Use new iterator.
4298 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4299 * tree-ssa-operands.c (correct_use_link): Remove.
4300 (finalize_ssa_use_ops): No longer call correct_use_link.
4302 2006-04-27 Stuart Hastings <stuart@apple.com>
4304 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4305 * config/t-darwin (crt3.o): Use it.
4306 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4307 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4308 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4309 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4310 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4313 2006-04-27 Roger Sayle <roger@eyesopen.com>
4315 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4316 size, force the intermediate into a new pseudo rather instead of
4317 performing both a bitwise AND and a bitwise IOR in memory.
4319 2006-04-27 Richard Guenther <rguenther@suse.de>
4321 PR rtl-optimization/26685
4322 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4323 this one "max-flow-memory-locations".
4325 2006-04-27 Richard Guenther <rguenther@suse.de>
4327 PR tree-optimization/25148
4328 * tree-vrp.c (compare_values): Remove code dealing with
4329 comparisons against type min/max value. Honour overflow
4330 and negative constants in code dealing with comparisons
4331 of plus and minus expressions.
4332 (value_inside_range): Use fold_binary with LE_EXPR and
4333 GE_EXPR rather than compare_values.
4335 2006-04-27 Dirk Mueller <dmueller@suse.de>
4337 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4340 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4342 * basic-block.h (safe_insert_insn_on_edge): Removed.
4343 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4345 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4346 Paolo Bonzini <bonzini@gnu.org>
4349 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4350 (simplify_and_const_int): Same.
4352 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4354 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4356 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4359 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4360 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4361 cgraph_global_info_ready.
4364 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4367 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4368 either decl or init is error_mark_node.
4371 * tree-flow.h (struct omp_region): Add sched_kind.
4372 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4373 instead of extracting omp for data.
4374 (expand_omp_for): Save extracted sched_kind.
4376 2006-04-25 Roger Sayle <roger@eyesopen.com>
4378 * expmed.c (store_bit_field): Also check whether the bitsize is
4379 valid for the machine's "insv" instruction before moving the
4380 target into a pseudo for use with the insv.
4381 * config/i386/predicates.md (const8_operand): New predicate.
4382 * config/i386/i386.md (extv, extzv, insv): Use the new
4383 const8_operand predicate where appropriate.
4385 2006-04-25 DJ Delorie <dj@redhat.com>
4387 * doc/install.texi (Specific): Clarify that this is not a list of
4388 supported hosts or targets.
4390 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4392 PR rtl-optimization/26725
4393 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4394 block's BB_DIRTY flag.
4396 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4398 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4401 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4402 to print an integer.
4404 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4406 * varasm.c (align_variable): New function.
4407 (get_block_for_decl): Apply align_variable to DECL before
4408 calculating section information.
4409 (assemble_variable): Split out alignment computation.
4411 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4413 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4416 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4418 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4419 MODE_PARTIAL_INT mode.
4420 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4421 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4423 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4424 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4426 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4428 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4430 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4431 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4432 MACFLAG_IH): Likewise.
4433 (movstricthi_1): Renamed from "*movstricthi".
4434 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4435 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4436 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4437 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4438 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4439 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4440 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4441 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4442 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4443 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4444 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4445 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4446 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4447 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4448 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4450 * doc/rtl.texi (ss_ashift): Improve wording.
4452 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4454 * dwarf2out.c (verify_marks_clear): New.
4455 (prune_unused_types): Call verify_marks_clear initially, not
4458 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4460 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4461 * doc/rtl.texi: Document them.
4462 * simplify-rtx.c (simplify_unary_operation,
4463 simplify_binary_operation_1): Don't abort when we see them.
4465 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4468 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4469 * configure.ac: Completely disregard languages that are not
4471 * configure: Regenerated.
4473 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4474 Richard Guenther <rguenther@suse.de>
4476 PR tree-optimization/27236
4477 * tree-inline.c (copy_body_r): Make sure to copy
4478 TREE_THIS_VOLATILE flag.
4480 2006-04-24 Richard Guenther <rguenther@suse.de>
4483 * tree-complex.c (update_parameter_components): Don't handle
4484 unused parameters which have no default def.
4486 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4487 Richard Guenther <rguenther@suse.de>
4489 PR tree-optimization/27218
4490 * tree-inline.c (expand_call_inline): Strip useless type
4491 conversions for the return slot address.
4493 2006-04-24 Richard Guenther <rguenther@suse.de>
4495 * cfgloop.h (struct loops): Remove unused field array. Reorder
4497 (LOOP_PREFETCH): Remove.
4499 2006-04-24 Richard Guenther <rguenther@suse.de>
4501 PR tree-optimization/22525
4502 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4503 variable, adjust types of generated expressions.
4505 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4507 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4508 (tree-vect-patterns.o): Likewise.
4510 (cselib.o): Likewise.
4511 (loop-doloop.o): Likewise.
4512 (regclass.o): Likewise.
4513 (reload1.o): Likewise.
4514 (explow.o): Replace target.h with $(TARGET_H).
4515 (ipa-prop.o): Likewise.
4516 (ipa-cp.o): Likewise.
4517 (ipa-inline.o): Likewise.
4518 (reorg.o): Likewise.
4519 (reg-stack.o): Likewise.
4521 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4523 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4525 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4527 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4529 * configure.ac: Completely disregard languages that are not
4531 * configure: Regenerated.
4534 * c-common.h (c_build_bitfield_integer_type): Declare.
4535 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4536 * c-common.c (c_build_bitfield_integer_type): ... here.
4538 2006-04-23 Roger Sayle <roger@eyesopen.com>
4541 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4542 a SImode SUBREG of a floating point register after no_new_pseudos.
4544 2006-04-23 Roger Sayle <roger@eyesopen.com>
4546 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4547 identify potentially eliminable registers to additionally catch
4548 VIRTUAL_INCOMING_ARGS_REGNUM.
4549 (addsi3): Update the conditions on when to use addsi_small_int.
4551 2006-04-23 Roger Sayle <roger@eyesopen.com>
4554 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4555 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4556 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4558 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4560 * fold-const.c (range_predecessor): Use operand_equal_p
4561 as the predicate for equality.
4562 (range_successor): Likewise.
4564 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4567 * config/soft-fp/op-common.h: Fix a typo.
4569 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4572 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4573 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4575 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4577 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4579 * doc/tm.texi: Fix a typo.
4581 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4583 * dwarf2out.c (struct die_struct): Document that die_sib makes
4584 a circular linked list.
4585 (FOR_EACH_CHILD): New.
4586 (reverse_die_lists): Delete.
4587 (reverse_all_dies): Delete.
4588 (add_dwarf_attr): Correct documentation.
4589 (remove_child_with_prev): New.
4590 (remove_child_TAG): Update for change to die_struct, use
4591 remove_child_with_prev.
4592 (add_child_die): Update for change to die_struct.
4593 (splice_child_die): Use remove_child_with_prev and add_child_die.
4594 (print_die): Use FOR_EACH_CHILD.
4595 (die_checksum): Likewise.
4596 (assign_symbol_names): Likewise.
4597 (output_location_lists): Likewise.
4598 (build_abbrev_table): Likewise.
4599 (calc_die_sizes): Likewise.
4600 (mark_dies): Likewise.
4601 (unmark_dies): Likewise.
4602 (unmark_all_dies): Likewise.
4603 (output_die): Likewise.
4604 (prune_unused_types_mark): Likewise.
4605 (prune_unused_types_walk): Likewise.
4606 (same_die_p): Update for change to die_struct.
4607 (break_out_includes): Likewise.
4608 (prune_unused_types_prune): Likewise.
4609 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4610 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4612 (dwarf2out_finish): Don't call reverse_all_dies.
4614 2006-04-21 Eric Christopher <echristo@apple.com>
4616 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4617 in comments and function names.
4619 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4622 * c-typeck.c (digest_init): Robustify.
4624 * c-typeck.c (pop_init_level): Simplify.
4626 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4628 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4630 2006-04-21 Paul Brook <paul@codesourcery.com>
4632 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4633 hardware floating point.
4635 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4637 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4640 2006-04-21 Nick Clifton <nickc@redhat.com>
4642 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4645 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4648 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4649 C++ lang type in traceback table for Objective-C++.
4651 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4653 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4655 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4657 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4660 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4661 were errors. Remove check for erroneous objects.
4663 2006-04-20 Jeff Law <law@redhat.com>
4665 PR tree-optimization/26854
4666 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4667 checking for zero or one use.
4668 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4669 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4670 * tree-ssa-reassoc.c (negate_value): Similarly.
4671 (reassociate_bb): Similarly.
4673 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4675 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4676 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4677 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4679 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4681 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4682 fp regs if the last fp arg doesn't fit in regs.
4684 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4687 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4688 that the last insn has the REG_INC note.
4690 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4691 Nathan Sidwell <nathan@codesourcery.com>
4694 * stor-layout.c (update_alignment_for_field): Do not align
4696 (place_union_field): Place union field at the start of the union.
4697 (place_field): Move ERROR_MARK check later, and use the current
4698 allocation position to maintain monotonicity.
4700 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4702 * dominance.c: Include timevar.h.
4703 (calculate_dominance_info): Use TV_DOMINANCE.
4704 * timevar.def (TV_DOMINANCE): New timevar.
4705 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4707 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4709 PR rtl-optimization/14261
4710 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4711 move would be an INSV insn.
4712 (noce_process_if_block): Don't optimize if the destination is a
4713 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4715 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4717 * config/s390/s390.md: Add comments with the instructions emitted
4718 by an insn pattern if macros are used.
4720 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4722 PR rtl-optimization/26026
4723 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4724 is a known power of two shifted left a variable amount.
4726 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4728 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4729 to hash table twice when the debug_str section has SECTION_MERGE.
4731 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4733 * config/soft-fp: New directory. From glibc.
4734 * config/soft-fp/t-softfp: New.
4735 * config/soft-fp/README: New.
4736 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4737 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4738 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4739 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4740 * config.gcc: Use rs6000/t-fprules-fpbit or
4741 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4743 * config/rs6000/sfp-machine.h: New. Based on glibc.
4744 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4746 * config/rs6000/t-fprules: Remove fp-bit rules.
4747 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4748 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4749 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4750 (softfp_wrap_start, softfp_wrap_end): New.
4752 2006-04-18 DJ Delorie <dj@redhat.com>
4754 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4756 2006-04-18 Devang Patel <dpatel@apple.com>
4758 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4760 2006-04-18 Nick Clifton <nickc@redhat.com>
4762 * config/sh/t-symbian: Add rule to build sh-c.o
4763 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4764 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4765 (sh_symbian_encode_section_info): Likewise.
4767 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4769 * builtins.c (expand_builtin_strcmp): Cover label definition of
4770 do_libcall with HAVE_cmpstrnsi.
4772 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4774 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4776 * function.h (temp_slot_p): New.
4777 (function): Change the type of x_used_temp_slots to
4778 VEC(temp_slot_p,gc) *.
4780 2006-04-18 Nick Clifton <nickc@redhat.com>
4782 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4783 flag_strength_reduce.
4785 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4787 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4791 Partial revert of revision 112637
4792 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4793 Dale Johannesen <dalej@apple.com>
4796 * regclass.c (struct reg_pref): Update documentation.
4797 (regclass): Set prefclass to NO_REGS if memory is the best option.
4798 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4800 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4802 PR tree-optimization/26821
4803 * tree-ssa-math-opts.c (get_constant_one): New.
4804 (insert_reciprocals): Use it.
4806 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4808 * dwarf2out.c (free_AT): Delete.
4809 (remove_AT): Update string ref counts.
4810 (remove_child_TAG): Don't call free_die.
4812 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4813 or DW_TAG_GNU_EINCL.
4814 (prune_unused_types_walk_attribs): Reset string refcounts.
4815 (prune_unused_types_update_strings): New.
4816 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4817 call free_die. Do call prune_unused_types_update_strings.
4818 (prune_unused_types): Empty debug_str_hash.
4820 2006-04-17 Roger Sayle <roger@eyesopen.com>
4822 * expr.c (expand_assignment): Optimize away no-op moves where the
4823 source and destination are equal and have no side-effects.
4825 2006-04-17 Richard Guenther <rguenther@suse.de>
4828 * reload.c (push_reload): Guard calls to get_secondary_mem
4831 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4833 * alias.c (reg_base_value, old_reg_base_value): Change the
4834 type to VEC(rtx,gc) *.
4835 (REG_BASE_VALUE, find_base_value, record_set,
4836 init_alias_analysis): Use VEC instead of VARRAY.
4838 * alias.c (alias_sets): Change the type to
4839 VEC(alias_set_entry,gc) *.
4840 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4841 VEC instead of VARRAY.
4842 (last_alias_set): Remove.
4844 * cgraph.h (cgraph_edge_p): New.
4845 Update the prototype of cgraph_function_versioning.
4846 * cgraphunit.c (cgraph_copy_node_for_versioning,
4847 cgraph_function_versioning): Use VEC instead of VARRAY.
4848 * ipa-cp.c (ipcp_insert_stage): Likewise.
4850 2006-04-16 Roger Sayle <roger@eyesopen.com>
4853 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4854 "A op B" or "A op C", we may need to convert A to the type of B and C.
4856 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4858 * target.h (struct gcc_target): Add mode_rep_extended.
4859 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4860 (init_num_sign_bit_copies_in_rep): Initialize it using
4862 (truncate_to_mode): Use it.
4863 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4864 * targhooks.h (default_mode_rep_extended): Declare it.
4865 * targhooks.c (default_mode_rep_extended): Define it.
4866 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4867 default_mode_rep_extended.
4868 (TARGET_INITIALIZER): Include it.
4869 * doc/tm.texi (Misc): Document it.
4870 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4871 (mips_truncated_to_mode): New function.
4873 2006-04-16 Roger Sayle <roger@eyesopen.com>
4876 * expr.c (compress_float_constant): Copy the narrow constant into
4877 a new pseudo before extending it to its final width.
4879 2006-04-16 Roger Sayle <roger@eyesopen.com>
4880 Andrew Pinski <pinskia@gcc.gnu.org>
4881 Dale Johannesen <dalej@apple.com>
4884 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4885 special case code to implement V8HImode and V16QImode with SSE2.
4887 2006-04-15 Roger Sayle <roger@eyesopen.com>
4889 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4890 trees are constructed with a suitable tree type.
4892 2006-04-15 Roger Sayle <roger@eyesopen.com>
4894 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4895 (integer_onep): Likewise.
4896 (integer_all_onesp): Likewise.
4897 (integer_pow2p): Likewise.
4898 (integer_nonzerop): Likewise.
4899 (real_zerop): Likewise.
4900 (real_onep): Likewise.
4901 (real_twop): Likewise.
4902 (real_minus_onep): Likewise.
4903 (int_size_in_bytes): Likewise.
4904 (host_integerp): Likewise.
4906 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4908 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4909 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4910 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4912 * tree-ssa-structalias.h (alias_info): Remove num_references.
4914 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4916 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4917 (output_bvb patterns): Likewise.
4918 * pa.c (output_bb): Use 'bb' insn for long branch case.
4919 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4920 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4921 1. Correct length operand for alternatives 1 and 2.
4922 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4923 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4925 2006-04-14 Roger Sayle <roger@eyesopen.com>
4927 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4928 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4929 were accidentally reverted by r112959.
4931 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4934 * except.h (eh_region_outermost): New prototype.
4935 * except.c (eh_region_outermost): New function.
4936 * tree-cfg.c (find_outermost_region_in_block): Use it.
4938 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4940 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4942 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4943 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4944 (init_reload, reload): Use VEC instead of VARRAY.
4945 * reload.h: Update the prototype for
4946 reg_equiv_memory_loc_varray.
4948 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4949 Eric Botcazou <ebotcazou@libertysurf.fr>
4951 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4954 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4957 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4958 to expand fallback builtin function call.
4960 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4963 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4964 and emit libcall here in case the builtin fails.
4965 (expand_builtin_strcmp): Always emit the libcall here on failure.
4967 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4969 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4970 * flow.c (reg_n_info): Change the type to
4971 VEC(reg_info_p,heap) *.
4972 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4974 * regs.h (reg_info_p): New.
4975 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4976 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4977 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4980 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4982 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4984 * params.h (MAX_SCHED_READY_INSNS): New macro.
4985 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4986 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4987 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4988 the ready list for 1 cycle during the first scheduling pass.
4989 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4991 2006-04-13 Richard Henderson <rth@redhat.com>
4994 * gimple-low.c (lower_omp_directive): Remove dead code.
4995 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4996 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4997 * omp-low.c (struct omp_region): Move to tree-flow.h.
4998 (root_omp_region): Export.
4999 (omp_regions, lookup_omp_region): Remove.
5000 (determine_parallel_type): Update for struct omp_region changes.
5001 (dump_omp_region): Dump regions with block numbers.
5002 (new_omp_region): Take type and block instead of stmt; malloc
5004 (free_omp_region_1, free_omp_regions): New.
5005 (expand_parallel_call): Take entry_stmt as argument; update for
5006 changes to omp_region.
5007 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5008 (remove_exit_barriers): New.
5009 (expand_omp_parallel): Update for struct omp_region changes.
5010 (expand_omp_synch): Likewise.
5011 (expand_omp): Likewise.
5012 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5013 (expand_omp_for_static_chunk): Likewise.
5014 (expand_omp_for): Likewise.
5015 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5016 (expand_omp_sections): Similarly, with GOMP_sections_end.
5017 (expand_omp_single): New.
5018 (build_omp_regions_1): Update for OMP_CONTINUE.
5019 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5020 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5021 OMP_SECTIONS_SECTIONS.
5022 (lower_omp_single_simple): Don't emit barrier here.
5023 (lower_omp_single_copy): Likewise.
5024 (lower_omp_single): Fix bindings, and lower to straightline now.
5025 (lower_omp_master, lower_omp_ordered): Likewise.
5026 (lower_omp_critical): Likewise.
5027 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5028 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5029 omp edges, free it afterward.
5030 (make_omp_sections_edges): Remove.
5031 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5032 (move_stmt_r): Handle OMP_CONTINUE.
5033 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5034 statement pointers to basic blocks. Add type member.
5035 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5036 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5037 * tree-inline.c (estimate_num_insns_1): Likewise.
5038 * tree-pretty-print.c (dump_generic_node): Likewise.
5039 * tree-ssa-operands.c (get_expr_operands): Likewise.
5040 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5041 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5042 (OMP_CONTINUE): New.
5043 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5044 (OMP_SECTIONS_SECTIONS): Remove.
5045 (OMP_SECTION_LAST): New.
5046 (OMP_RETURN_NOWAIT): New.
5048 2006-04-13 Roger Sayle <roger@eyesopen.com>
5050 * fold-const.c (native_encode_vector, native_interpret_real):
5051 Correct obvious mistakes in the previous check-in.
5053 2006-04-13 Roger Sayle <roger@eyesopen.com>
5055 * fold-const.c (native_encode_expr): New function to encode
5056 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5057 or VECTOR_CST into a specified buffer.
5058 (native_encode_int): New function.
5059 (native_encode_real): New function.
5060 (native_encode_complex): New function.
5061 (native_encode_vector): New function.
5062 (native_interpret_expr): Inverse of native_encode_expr to convert
5063 a target representation into an INTEGER_CST, REAL_CST etc...
5064 (native_interpret_int): New function.
5065 (native_interpret_real): New function.
5066 (native_interpret_complex): New function.
5067 (native_interpret_vector): New function.
5068 (fold_view_convert_expr): New function to constant fold/evaluate
5069 a VIEW_CONVERT_EXPR of a suitable constant expression.
5070 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5071 Change call of build1 to fold_build1 when constructing a
5074 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5075 Ulrich Weigand <uweigand@de.ibm.com>
5078 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5081 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5084 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5085 optimize to lo_sum for DFmode if !TARGET_FPRS.
5087 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5089 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5090 delete_alias_info, compute_flow_sensitive_aliasing,
5091 group_aliases): Use VEC instead of VARRAY.
5092 * tree-ssa-structalias.c (update_alias_info): Likewise.
5093 * tree-ssa-structalias.h (alias_info): Change the type of
5094 processed_ptrs to VEC(tree,heap) *.
5096 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5099 * config/sh/lib1funcs.h: New file, broken out of:
5100 * config/sh/lib1funcs.asm.
5101 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5103 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5104 * config/sh/lib1funcs-Os-4-200.asm: New file.
5105 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5106 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5107 (EXTRA_MULTILIB_PARTS): Include it.
5108 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5109 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5110 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5111 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5114 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5116 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5117 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5118 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5120 * tree-ssa-live.h: Include vecprim.h.
5121 (tree_partition_associator_d): Change the type of
5122 first_partition to VEC(int,heap) *.
5123 (tpa_first_partition): Use VEC instead of VARRAY.
5125 * Makefile.in (GTFILES): Move functions.h after tree.h.
5126 * function.c (reset_block_changes, record_block_change,
5127 check_block_change, free_block_changes): Use VEC instead of
5129 * function.h (function): Change the type of
5130 ib_boundaries_block to VEC(tree,gc) *.
5131 * tree-inline.c (copy_cfg_body): Initialize
5132 ib_boundaries_block to NULL instead of (varray_type) 0.
5134 2006-04-12 Roger Sayle <roger@eyesopen.com>
5136 * expr.c (emit_group_store): Correct operand order in call to
5137 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5138 a SUBREG_BYTE of zero.
5140 2006-04-12 Richard Guenther <rguenther@suse.de>
5142 * profile.c (compute_branch_probabilities): Remove code
5143 encapsulated in !ir_type (), which are remanents of the
5144 removed RTL profiling code.
5145 * rtl-profile.c: Remove.
5147 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5149 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5150 magic NULL_RTX comment.
5151 (function_arg): Store entire fp arg to mem if any part should go
5153 (rs6000_arg_partial_bytes): Adjust for above change.
5155 2006-04-11 Roger Sayle <roger@eyesopen.com>
5157 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5158 if it hasn't been initialized by dwarf2out_init.
5160 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5162 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5163 symbolic constants in branch patterns.
5165 2006-04-11 Roger Sayle <roger@eyesopen.com>
5167 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5169 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5171 PR rtl-optimization/27073
5172 * gcse.c (try_replace_reg): Revert last change. Continue to search
5173 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5176 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5178 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5179 aggregate types other than record and union types.
5180 (function_arg): Likewise.
5181 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5183 (function_value): In 64-bit mode, return objects that require it
5186 2006-04-11 Roger Sayle <roger@eyesopen.com>
5188 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5190 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5192 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5194 2006-04-03 Jeff Law <law@redhat.com>
5197 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5198 alias information too.
5200 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5202 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5204 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5207 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5208 (premark_used_types_helper): New.
5209 (premark_used_types): New.
5210 (gen_subprogram_die): Call premark_used_types.
5211 (prune_unused_types_walk): Do not prune perennial dies.
5212 * function.c (used_types_insert): New.
5213 * function.h (struct function): Add used_types_hash field.
5214 (used_types_insert): Add prototype.
5215 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5216 * c-parser.c (c_parser_cast_expression): Save casted types in used
5219 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5222 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5223 rs6000_explicit_options.float_gprs.
5225 2006-04-10 Roger Sayle <roger@eyesopen.com>
5227 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5228 from ix86_expand_vector_init_low_nonzero. Take an additional
5229 one_var argument indicating which element is non-zero. Support
5230 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5231 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5232 with one_var instead of ix86_expand_vector_init_low_nonzero.
5234 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5236 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5237 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5238 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5239 build/genextract.o): Depend on vecprim.h.
5240 * cfglayout.c, df-problems.c, function.c, genextract.c,
5241 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5242 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5246 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5248 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5249 Declare VECs of this type.
5250 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5251 (remove_children): Delete.
5252 (add_dwarf_attr): Use VEC routines.
5253 (add_AT_flag): Update for changes to add_dwarf_attr.
5254 (add_AT_int): Likewise.
5255 (add_AT_unsigned): Likewise.
5256 (add_AT_long_long): Likewise.
5257 (add_AT_vec): Likewise.
5258 (add_AT_string): Likewise.
5259 (add_AT_die_ref): Likewise.
5260 (add_AT_fde_ref): Likewise.
5261 (add_AT_loc): Likewise.
5262 (add_AT_loc_list): Likewise.
5263 (add_AT_addr): Likewise.
5264 (add_AT_lbl_id): Likewise.
5265 (add_AT_lineptr): Likewise.
5266 (add_AT_macptr): Likewise.
5267 (add_AT_offset): Likewise.
5268 (add_AT_range_list): Likewise.
5269 (get_AT): Use VEC_iterate.
5270 (remove_AT): Use VEC_ordered_remove.
5271 (free_die): Fold remove_children into here; have it use VEC_iterate.
5272 (print_die): Use VEC_iterate on attrs.
5273 (reverse_die_lists): Don't reverse attr lists.
5274 (die_checksum): Use VEC_iterate on attrs.
5275 (same_die_p): Likewise.
5276 (output_location_lists): Likewise.
5277 (build_abbrev_table): Likewise.
5278 (size_of_die): Likewise.
5279 (unmark_all_dies): Likewise.
5280 (output_abbrev_section): Likewise.
5281 (output_die): Likewise.
5282 (prune_unused_types_walk_attribs): Likewise.
5284 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5286 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5288 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5291 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5293 2006-04-09 Roger Sayle <roger@eyesopen.com>
5295 * expr.c (store_constructor): Don't bother clearing target if
5296 we're about to assign a vector to it using vec_init_optab.
5298 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5300 * tree-ssa-alias.c (lhs_may_store_to): New function.
5301 (recalculate_used_alone): Handle LHS of calls.
5303 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5307 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5308 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5309 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5310 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5311 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5312 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5313 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5314 stubs. Add ".align 8" directives before all ".dword" directives.
5315 (GTHREAD_USE_WEAK): Revise comment.
5316 (TARGET_ATTRIBUTE_WEAK): Define.
5317 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5318 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5319 * stublib.c: New file.
5324 * pa.md (cbranch patterns): Revise arguments used in calls to
5325 output_cbranch, output_bb and output_bvd. Add long branch length
5327 (fbranch patterns): Handle long branches.
5328 (jump): Revise length check. Revise arguments for output_lbranch call.
5329 Add long branch length attributes.
5330 (decrement_and_branch_until_zero): Add long branch length attributes.
5331 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5332 Likewise. Revise arguments for output_parallel_addb and
5333 output_parallel_movb calls.
5334 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5335 output_parallel_movb and output_parallel_addb): Update prototypes.
5336 * pa.c (output_cbranch): Revise arguments. Correct handling of
5337 nullification in long branches.
5338 (output_lbranch): Add new argument to control extraction of delay
5340 (output_bb): Handle long branches.
5341 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5342 output_parallel_addb): Likewise.
5344 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5346 PR rtl-optimization/27073
5347 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5350 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5352 * tree.h (tree_memory_tag): Add old_used_alone.
5353 (SMT_OLD_USED_ALONE): New macro.
5354 * tree-ssa-alias.c (recalculate_used_alone): Stop
5355 marking things for renaming unnecessarily.
5357 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5359 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5360 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5361 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5362 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5363 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5364 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5365 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5366 spelling convensions.
5367 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5368 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5369 typos. Follow spelling conventions.
5371 2006-04-07 DJ Delorie <dj@redhat.com>
5373 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5374 passed on the stack.
5375 (m32c_init_cumulative_args): When a function returns a structure,
5376 always pass the pointer to that return area on the stack.
5377 (m32c_function_arg_advance): Don't increment the parameter number
5378 if we're processing the returned structure pointer.
5379 (pushm_info): Reverse order of registers.
5381 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5383 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5384 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5385 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5386 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5388 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5389 chrec_fold_multiply): Same.
5390 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5391 force_expr_to_var_cost): Same.
5392 * tree-mudflap.c (mf_xform_derefs_1): Same.
5393 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5395 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5397 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5398 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5401 2006-04-07 Jan Hubicka <jh@suse.cz>
5403 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5405 2006-04-07 Richard Guenther <rguenther@suse.de>
5407 PR tree-optimization/26135
5408 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5409 loads for store copy-prop.
5410 (copy_prop_visit_stmt): Likewise.
5412 2006-04-05 Robert Millan <robertmh@gnu.org>
5414 * config/i386/linux.h: Add a comment to mark macros that are
5415 being overriden in config/k*bsd-gnu.h.
5416 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5418 * config/knetbsd-gnu.h: Ditto.
5420 2006-04-06 Jan Hubicka <jh@suse.cz>
5424 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5427 2006-04-06 Mike Stump <mrs@apple.com>
5429 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5430 for HAVE_nonlocal_goto to be consistent.
5431 (expand_builtin_nonlocal_goto): Likewise.
5432 (expand_builtin_strcmp): Use #ifdef instead of #if
5433 for HAVE_cmpstrnsi to be consistent.
5435 2006-04-05 DJ Delorie <dj@redhat.com>
5437 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5440 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5442 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5443 got-relative addressing for anything but SImode.
5445 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5446 even if the calling function doesn't modify them.
5448 2006-04-05 Richard Guenther <rguenther@suse.de>
5450 PR tree-optimization/26919
5451 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5452 to cgraph_estimate_size_after_inlining.
5454 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5456 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5458 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5460 PR tree-optimization/26996
5461 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5462 VECTOR_TYPE variables.
5464 2006-04-05 Richard Guenther <rguenther@suse.de>
5466 PR tree-optimization/26763
5467 * fold-const.c (fold_comparison): Move folding of
5468 PTR + CST CMP PTR + CST ...
5469 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5471 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5473 * doc/install.texi (Prerequisites): Refine some wording on
5474 bootstrapping and ksh.
5475 Move the version numbers of DejaGnu here from the testing section
5476 and fix casing of names.
5477 Fix markup and clarify wording for autogen requirements.
5478 Refer to GCJ instead of just java.
5479 Refer to SVN instead of CVS.
5480 Describe diffutils as useful instead of necessary.
5481 (Downloading the source): Refer to SVN instead of CVS.
5482 Adjust a link to our web site accordingly.
5483 (Configuration): Fix casing of Bison.
5484 (Building): Refer to SVN instead of CVS.
5485 Fix a sentence on the use of Bison and remove duplicate (and
5486 incorrect) version number of Bison requirement.
5487 Remove one redundant list of packages needed for building.
5488 (Specific): Avoid reference to CVS.
5490 2006-04-04 Eric Christopher <echristo@apple.com>
5492 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5493 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5494 (rs6000_handle_struct_attribute): New.
5495 (rs6000_ms_bitfield_layout_p): Ditto.
5497 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5499 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5500 NULL for dso parameter to atexit_common.
5502 2006-04-04 Eric Christopher <echristo@apple.com>
5504 * config/i386/i386.c (machopic_output_stub): Output \t
5505 between instructions and operands.
5507 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5509 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5510 satisfies_constraint_[IL] to explicit tests on value.
5512 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5514 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5515 set_nb_iterations_in_loop): Use build_int_cst instead of
5517 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5518 build_int_cst instead of convert.
5520 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5522 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5523 new value 2 for incoming.
5524 * function.c (expand_function_start): Call struct_value_rtx
5526 * config/sparc/sparc.md: Comment updated_return.
5527 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5528 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5529 struct return if sparc_std_struct_return and incoming is 2.
5530 (print_operand): Do not adjust return if
5531 sparc_std_struct_return.
5533 2006-04-04 Roger Sayle <roger@eyesopen.com>
5535 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5536 convert in the middle-end.
5537 * expr.c (store_expr, store_constructor, get_inner_reference,
5538 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5540 * tree.c (build_range_type): Likewise.
5542 2006-04-04 Tom Tromey <tromey@redhat.com>
5544 * doc/install.texi (Prerequisites): Mention jar.
5546 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5548 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5551 2006-04-04 Matthias Klose <doko@debian.org>
5553 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5554 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5557 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5559 * doc/extend.texi (Function Attributes): Rewrite visibility
5560 attribute documentation.
5561 * doc/invoke.texi (C++ Dialect Options): Rewrite
5562 -fvisibility-inlines-hidden documentation to describe something
5563 entirely different, although in practise compatible.
5564 (Code Gen Options): Warn about system headers in -fvisibility=
5567 * doc/extend.texi (Other Builtins): Document that
5568 __builtin_nan is a compile-time constant only when its argument
5571 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5573 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5574 trying to remove TRUNCATE check if all bits outside the new mode
5575 are identical to the sign bit.
5577 2006-04-03 Jeff Law <law@redhat.com>
5579 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5580 and operand scanning in some common cases.
5582 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5583 Dale Johannesen <dalej@apple.com>
5586 * regclass.c (struct reg_pref): Update documentation.
5587 (regclass): Set prefclass to NO_REGS if memory is the best option.
5588 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5589 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5590 into account. For non-registers, equate an empty preferred
5591 reload class to a `!' in the constraint; move the if clause to
5592 do so after those that reject the insn.
5593 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5595 (find_dummy_reload): Likewise.
5596 * doc/tm.texi (Register Classes): Document what it means
5597 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5598 * config/i386/i386.c (ix86_preferred_reload_class): Force
5599 using SSE registers (and return NO_REGS for floating-point
5600 constants) if math is done with SSE.
5601 (ix86_preferred_output_reload_class): New.
5602 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5603 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5604 * config/i386/i386.md: Remove # register preferences.
5606 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5609 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5610 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5611 the type of nb_iter.
5612 (instantiate_parameters_1): Convert the operands before calling
5613 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5614 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5616 2006-04-02 Roger Sayle <roger@eyesopen.com>
5618 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5619 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5621 * dojump.c (do_jump): Likewise.
5622 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5623 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5624 gimplify_boolean_expr): Likewise.
5625 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5626 * varasm.c (array_size_for_constructor): Likewise.
5627 * tree-object-size.c (compute_object_offset): Likewise.
5629 2006-04-02 Roger Sayle <roger@eyesopen.com>
5632 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5633 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5635 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5637 PR tree-optimization/26939
5638 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5640 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5642 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5643 at_stmt. Convert the type of operands before calling
5644 build_polynomial_chrec.
5645 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5647 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5648 (instantiate_parameters_1): Convert the type of operands before calling
5649 build_polynomial_chrec.
5650 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5651 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5652 reset_evolution_in_loop): Insert asserts to check the types of the
5654 (chrec_type): Moved...
5655 (eq_evolutions_p): Use operand_equal_p.
5656 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5657 the types of the operands.
5658 (chrec_type): ...here.
5659 * tree-data-ref.c (create_data_ref): Convert the operands before
5660 calling chrec_replace_initial_condition.
5661 (same_access_functions, analyze_subscript_affine_affine,
5662 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5663 (compute_subscript_distance, analyze_ziv_subscript,
5664 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5665 analyze_miv_subscript): Convert the operands before calling
5666 chrec_fold_minus or chrec_fold_plus.
5668 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5670 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5671 the dependence_relations vector.
5672 (compute_data_dependences_for_loop): Adjust call to
5673 compute_all_dependences.
5675 2006-04-01 Roger Sayle <roger@eyesopen.com>
5676 Richard Henderson <rth@redhat.com>
5678 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5679 gimple_boolify on the condition before calling gimplify_expr.
5681 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5683 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5684 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5685 the frame size. Update to use the new macros.
5686 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5687 * config/xtensa/ieee754-df.S: Likewise.
5689 2006-03-31 Richard Henderson <rth@redhat.com>
5691 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5692 (make_edges): ... here. Control fallthru creation with a local
5693 variable. Do not play with fake edges.
5694 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5695 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5698 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5700 * dwarf2.h (DW64_CIE_ID): Define.
5701 * dwarf2out.c (DWARF_CIE_ID): Define.
5702 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5703 length header. Use DWARF_CIE_ID.
5704 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5705 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5707 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5709 * config/sh/linux-atomic.asm: New file.
5710 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5712 2006-03-31 DJ Delorie <dj@redhat.com>
5714 * config/m32c/cond.md: Set condition flags properly throughout.
5715 * config/m32c/minmax.md: Likewise.
5716 * config/m32c/prologue.md: Likewise.
5717 * config/m32c/bitops.md: Likewise.
5718 * config/m32c/muldiv.md: Likewise.
5719 * config/m32c/mov.md: Likewise.
5720 * config/m32c/addsub.md: Likewise.
5721 * config/m32c/m32c.md: Likewise.
5722 * config/m32c/jump.md: Likewise.
5723 * config/m32c/shift.md: Likewise.
5725 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5726 conditionally output the pattern for this.
5727 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5728 (m32c_compare_redundant): New.
5729 (m32c_output_compare): New.
5730 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5732 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5733 dest, not src. Allow other 4-byte modes.
5735 2006-03-30 Denis Chertykov <denisc@overta.ru>
5737 * doc/md.texi: Refer to avr/constraints.md instead of
5740 2006-03-30 Roger Sayle <roger@eyesopen.com>
5742 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5743 signed vs. unsigned comparison failures on some hosts.
5745 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5748 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5749 change to FLOAT_REGS.
5751 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5752 (rs6000_override_options): Use it.
5753 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5754 only for -mabi=spe/no-spe and -mabi=altivec.
5756 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5758 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5761 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5763 * Makefile.in: Rename docdir to gcc_docdir.
5765 2006-03-30 Roger Sayle <roger@eyesopen.com>
5768 * expr.c (emit_group_store): Optimize group stores into a pseudo
5769 register by using a paradoxical subreg to initialize the destination
5770 if the first or last member of the group specifies a "low part".
5772 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5775 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5776 * target.h (struct gcc_target.speculate_insn): Change type of the
5777 second parameter to 'int'.
5778 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5779 the second operand of the DEPS_LIST.
5780 (copy_DEPS_LIST_list): Update reference to the second operand of the
5782 * rtl.h (alloc_DEPS_LIST): Update signature.
5783 * sched-int.h (ds_t): Change typedef to 'int'.
5784 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5786 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5788 * haifa-sched.c (try_ready): Change condition to restore
5789 non-speculative pattern of the instruction.
5790 (process_insn_depend_be_in_spec): Code to keep probability of the
5791 speculative dependence non-decreasing.
5793 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5795 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5796 (single_move_for_movmem): ... this. Also change all uses.
5797 (bfin_expand_strmov): Renamed to...
5798 (bfin_expand_movmem): ... this. Also change all uses.
5799 * config/bfin/bfin.md (movstrsi): Renamed to...
5800 (movstrsi): ...this.
5802 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5804 PR tree-optimization/26830
5806 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5807 (copy_prop_visit_stmt): Remove write-only variable ann.
5808 (init_copy_prop): Check variable loop depth here. Do not simulate
5809 memory-tag and virtual operand PHIs except for store copy prop.
5811 2006-03-30 Richard Guenther <rguenther@suse.de>
5813 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5814 variants with double arguments.
5816 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5818 * genpreds.c (write_tm_constrs_h): Delete variable p.
5819 * genconditions.c (write_header): Add tm-constrs.h to included
5821 * genpeep.c (main): Add toplev.h to included headers.
5822 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5823 (build/genpeep.o): Add toplev.h dependency.
5824 * config/rs6000/constraints.md: Add "W" constraint.
5826 2006-03-29 Roger Sayle <roger@eyesopen.com>
5828 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5829 sizes by correctly testing whether the size fits a host integer.
5830 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5831 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5832 SImode range for the default sizetype and bitsizetype.
5834 2006-03-29 Roger Sayle <roger@eyesopen.com>
5836 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5837 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5838 quickly if the argument is already of the correct type.
5839 Call fold_build1 instead of build1. Tidy up blank lines.
5841 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5843 * genemit.c (main): Add tm-constrs.h to included headers.
5844 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5845 * genpeep.c (main): Add tm-constrs.h to included headers.
5846 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5847 (write_tm_constrs_h): this and write complete file.
5848 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5849 (write_insn_preds_c): Add tm-constrs.h to included headers.
5850 (gen_constrs): New variable.
5851 (parse_option): Parse "-c".
5852 (main): Invoke write_tm_constrs_h.
5853 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5854 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5855 (object_out_file): Add tm-constrs.h dependency.
5856 (insn-emit.o): Same.
5857 (insn-output.o): Same.
5858 (insn-peep.o): Same.
5859 (insn-preds.o): Same.
5860 (insn-recog.o): Same.
5861 (tm-constsr.h): New target.
5862 (s-constrs-h): New target.
5864 * config/rs6000/constraints.md: New file.
5865 * config/rs6000/rs6000.c: Include tm-constrs.h.
5866 (num_insn_constant_wide): Convert to satisfies_constraint.
5867 (rs6000_rtx_costs): Convert to satisfies_constraint.
5868 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5869 (CONST_OK_FOR_LETTER_P): Delete.
5870 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5871 (EXTRA_CONSTRAINT): Delete.
5872 (EXTRA_MEMORY_CONSTRAINT): Delete.
5873 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5874 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5875 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5876 satisfies_constraint.
5878 * config/i386/i386.c: Include tm-constrs.h.
5880 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5882 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5883 * tree-data-ref.c (find_data_references_in_loop,
5884 compute_data_dependences_for_loop): Use pointers to VEC.
5885 (analyze_all_data_dependences): Adjust calls.
5886 * tree-data-ref.h (find_data_references_in_loop,
5887 compute_data_dependences_for_loop): Adjust declarations.
5888 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5889 compute_data_dependences_for_loop.
5891 2006-03-29 Paul Brook <paul@codesourcery.com>
5893 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5896 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5898 PR tree-optimization/26859
5899 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5901 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5902 for the step after fold_convert.
5904 2006-03-29 Paul Brook <paul@codesourcery.com>
5906 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5907 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5909 2006-03-29 Paul Brook <paul@codesourcery.com>
5912 * targhooks.c (default_narrow_bitfield): New fuction.
5913 * targhooks.h (default_narrow_bitfield): add prototype.
5914 * target.h (gcc_target): Add narrow_volatile_bitfield.
5915 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5916 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5917 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5918 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5920 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5922 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5924 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5925 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5926 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5927 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5928 (s390_function_arg_float): Allow SDmode and DDmode values to be
5929 passed in floating point registers.
5930 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5931 check with SCALAR_FLOAT_MODE_P.
5932 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5934 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5936 PR tree-optimization/25985
5937 * tree-ssa-loop-niter.c (number_of_iterations_le,
5938 number_of_iterations_ne): Make comments more precise.
5939 (number_of_iterations_cond): Add only_exit argument. Use the
5940 fact that signed variables do not overflow only when only_exit
5942 (loop_only_exit_p): New.
5943 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5944 number_of_iterations_cond.
5946 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5948 PR tree-optimization/26643
5949 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5952 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5954 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5955 (divsi3_i4_int): Likewise.
5957 2006-03-28 Roger Sayle <roger@eyesopen.com>
5959 * expr.c (emit_group_store): Only create a new pseudo reg if the
5960 quantity it needs to hold isn't already a suitable pseudo.
5962 2006-03-28 Jeff Law <law@redhat.com>
5964 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5965 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5967 2006-03-28 Roger Sayle <roger@eyesopen.com>
5969 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5970 the equivalent ~X & Y, and the symmetry related transformations.
5971 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5972 ~X & Y, and symmetry related transforms.
5974 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5976 Revert my 2006-03-27 patches.
5978 2006-03-28 Roger Sayle <roger@eyesopen.com>
5980 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5981 ~(T1)X, when T1 and T2 are integer types of the same precision
5982 and (T2)X isn't an extension.
5984 2006-03-28 Jeff Law <law@redhat.com>
5986 PR tree-optimization/26796
5987 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5988 need EH edge cleanups rather than purging them immediately.
5989 (eliminate_degenerate_phis): Handle queued EH cleanups.
5991 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5993 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5996 2006-03-27 Roger Sayle <roger@eyesopen.com>
5999 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6000 cast BIT_NOT_EXPR operand to the correct type.
6002 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6004 * tree-loop-linear.c: Don't include varray.h.
6005 (gather_interchange_stats, try_interchange_loops,
6006 linear_transform_loops): Use VEC instead of VARRAY.
6007 * lambda-mat.c: Don't include varray.h.
6008 * tree-chrec.c: Same.
6009 * lambda-trans.c: Same.
6010 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6011 VEC instead of VARRAY.
6012 * tree-vectorizer.h: Idem.
6013 * tree-data-ref.c (dump_data_references,
6014 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6015 initialize_data_dependence_relation, finalize_ddr_dependent,
6016 compute_all_dependences, find_data_references_in_loop,
6017 compute_data_dependences_for_loop, analyze_all_data_dependences,
6018 free_dependence_relation, free_dependence_relations,
6019 free_data_refs): Idem.
6020 * tree-data-ref.h (data_reference_p, subscript_p): New.
6021 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6022 VEC instead of VARRAY.
6023 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6024 (find_data_references_in_loop, compute_data_dependences_for_loop,
6025 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6026 dump_data_dependence_relations, free_dependence_relations,
6027 free_data_refs): Adjust declaration.
6028 (lambda_transform_legal_p): Move declaration here...
6029 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6030 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6031 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6032 vect_analyze_data_refs): Use VEC instead of VARRAY.
6033 * lambda.h (lambda_transform_legal_p): ...from here.
6034 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6035 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6036 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6037 tree-chrec.o): Don't depend on VARRAY_H.
6039 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6041 * rtl.def (Copyright): Update date.
6042 (DEPS_LIST): Change type of the second operand to 'int'.
6043 * target.h (Copyright): Update date.
6044 (struct gcc_target.speculate_insn): Change type of the second parameter
6046 * lists.c (Copyright): Update date.
6047 (alloc_DEPS_LIST): Change signature. Update reference to the second
6048 operand of the DEPS_LIST.
6049 (copy_DEPS_LIST_list): Update reference to the second operand of the
6051 * rtl.h (Copyright): Update date.
6052 (alloc_DEPS_LIST): Update signature.
6053 * sched-int.h (Copyright): Update date.
6054 (ds_t): Change typedef to 'int'.
6055 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6057 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6059 * haifa-sched.c (Copyright): Update date.
6060 (try_ready): Change condition to restore non-speculative pattern
6062 (process_insn_depend_be_in_spec): Code to keep probability of the
6063 speculative dependence non-decreasing.
6065 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6067 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6068 shut up the compiler.
6070 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6072 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6073 to use lib prefix for target.
6074 ($(T)libic_invalidate_array_4-200.a): Likewise.
6075 ($(T)libic_invalidate_array_4a.a): Likewise.
6077 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6078 J"orn Rennecke <joern.rennecke@st.com>
6080 * superh.opt: New file.
6081 * sh.c (boardtype, osruntime): Remove.
6082 * superh.h (SUBTARGET_OPTIONS): Remove.
6083 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6085 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6086 arguments with ^ and/or [].
6088 * config.gcc (sh-*-*): Add quoting to account for quirk of
6090 Replace == with = in enable_incomplete_targets test.
6092 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6093 with MASK_LITTLE_ENDIAN.
6095 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6096 * config/sh/sh.opt: Added to some comments.
6097 * config/sh/superh.h: Removed some chaff.
6099 * config/sh/sh.opt: Add m4-[1234]00* options.
6100 * config/sh/sh.c (sh_handle_option): Likewise.
6101 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6102 (ic_invalidate_array_4-100.o): New rule.
6103 ($(T)libic_invalidate_array_4-100.a): Likewise.
6104 (ic_invalidate_array_4-200.o): Likewise.
6105 ($(T)libic_invalidate_array_4-200.a): Likewise.
6106 (ic_invalidate_array_4a.o): Likewise.
6107 ($(T)libic_invalidate_array_4a.a): Likewise.
6108 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6109 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6111 * config/sh/crt1.asm: Merged in profiling code.
6112 * config/sh/superh.h (STARTFILE_SPEC): Override.
6113 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6114 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6115 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6117 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6118 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6119 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6121 * sh.opt (mpretend-cmove): New option.
6122 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6123 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6124 (movsicc): Add TARGET_PRETEND_CMOVE code.
6126 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6128 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6129 s390_class_max_nregs): New function prototypes.
6130 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6131 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6132 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6133 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6135 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6137 * dwarf2out.c (add_location_or_const_value_attribute): Call
6138 tree_add_const_value_attribute if nothing else works.
6139 (reference_to_unused): New.
6140 (rtl_for_decl_init): Use reference_to_unused to decide whether
6141 to output an initializer.
6143 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6146 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6147 peephole removing spe frob_di_df_2.
6149 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6151 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6152 (subscript_dependence_tester_1): Declared.
6153 (print_dir_vectors, print_dist_vectors): New.
6154 (debug_data_dependence_relation): New.
6155 (dump_data_dependence_relation): Print more details.
6156 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6157 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6158 (save_dist_v, save_dir_v, add_outer_distances,
6159 build_classic_dist_vector_1): New.
6160 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6161 Don't test for lambda_vector_lexico_pos.
6162 (same_access_functions, add_multivariate_self_dist,
6163 add_other_self_distances, dir_from_dist): New.
6164 (build_classic_dir_vector): Replace implementation almost identical to
6165 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6167 (subscript_dependence_tester_1): New.
6168 (subscript_dependence_tester): Handle the lexicographically negative
6169 distance vectors by recomputing the dependence relation.
6170 (compute_affine_dependence): Remove parameter loop_nest_depth.
6171 (compute_self_dependence): Don't call compute_subscript_distance.
6172 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6173 Add a parameter for the loop_nest.
6174 (find_loop_nest_1, find_loop_nest): New.
6175 (compute_data_dependences_for_loop): Compute the loop nest, and give
6176 up if the nest is not well formed.
6177 * tree-data-ref.h (loop_p): New.
6178 (struct data_dependence_relation): Replace size_vect field with
6179 loop_nest, a vec of loops.
6180 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6181 (DDR_LOOP_NEST): New.
6182 (print_dir_vectors, print_dist_vectors,
6183 debug_data_dependence_relation): Declared.
6184 (index_in_loop_nest): New.
6185 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6186 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6189 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6191 * simplify-rtx.c (simplify_relational_operation): Call
6192 simplify_relational_operation_1 even if mode is VOIDmode.
6194 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6196 PR tree-optimization/26804
6197 * tree.h (DECL_CALL_CLOBBERED): New macro.
6198 (tree_decl_common): Add call_clobbered_flag.
6199 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6200 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6201 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6202 (mark_non_addressable): Ditto.
6203 * tree-ssa.c (verify_call_clobbered): New function.
6204 (verify_alias_info): Use it.
6205 * tree-pass.h (pass_reset_cc_flags): New prototype.
6206 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6207 (reset_cc_flags): New function.
6208 * passes.c (init_optimization_passes): Call reset_cc_flags after
6209 initializing referenced_vars.
6211 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6212 Roger Sayle <roger@eyesopen.com>
6215 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6216 to 1.0 for non-real operands. Implement A / A optimization for
6219 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6221 * config/i386/i386.c (size_cost): Correct the comment for
6222 cost of storing fp registers.
6223 (i386_cost): Likewise.
6224 (i486_cost): Likewise.
6225 (pentium_cost): Likewise.
6226 (pentiumpro_cost): Likewise.
6227 (k6_cost): Likewise.
6228 (athlon_cost): Likewise.
6229 (k8_cost): Likewise.
6230 (pentium4_cost): Likewise.
6231 (nocona_cost): Likewise.
6232 (generic64_cost): Likewise.
6233 (generic32_cost): Likewise.
6235 2006-03-24 Denis Chertykov <denisc@overta.ru>
6237 * config/avr/avr-protos.h (extra_constraint): Delete.
6238 (extra_constraint_Q): New declaration.
6239 * config/avr/constraints.md: New file.
6240 * config/avr/avr.md: Include it.
6241 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6242 (TMP_REGNO, ZERO_REGNO): Likewise.
6243 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6244 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6245 (extra_constraint): Delete.
6246 (extra_constraint_Q): Test for memory constraint 'Q'.
6247 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6248 (REG_CLASS_FROM_LETTER): Delete.
6249 (CONST_OK_FOR_LETTER_P): Delete.
6250 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6251 (EXTRA_CONSTRAINT): Delete.
6252 (TMP_REGNO): Delete.
6253 (ZERO_REGNO): Delete.
6255 2006-03-24 Jeff Law <law@redhat.com>
6257 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6258 directly. Call mark_new_vars_to_rename slightly earlier.
6260 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6262 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6264 (gen_compile_unit_die): Use new language types for Objective-C and
6266 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6267 DW_LANG_C_plus_plus.
6270 * config/t-darwin (crt3.o): Work around bug 26840.
6271 * config/darwin-crt3.c: Rewrite.
6272 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6274 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6276 * doc/invoke.texi: Document -femit-class-debug-always
6277 * common.opt: Add -femit-class-debug-always.
6279 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6281 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6282 index and base register.
6283 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6284 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6285 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6286 REGNO_OK_FOR_INDEX_P.
6287 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6289 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6290 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6291 REG_OK_FOR_BASE_P): Definitions removed.
6293 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6296 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6297 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6298 set yet or weren't marked as local yet.
6300 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6302 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6305 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6307 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6308 (rs6000_legitimate_small_data_p): Delete.
6309 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6310 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6311 and make static. Add forward declaration. Update uses.
6312 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6313 of offsettable_memref_p.
6314 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6315 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6317 2006-03-24 Jeff Law <law@redhat.com>
6319 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6320 around bug in immediate-use iterator.
6322 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6325 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6326 or __LITTLE_ENDIAN__.
6328 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6330 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6331 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6332 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6333 * config/sh/sh.opt (mdiv=): Amend description.
6334 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6335 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6336 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6337 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6338 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6339 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6340 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6341 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6342 TARGET_DIVIDE_CALL_FP.
6344 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6346 * haifa-sched.c (choose_ready): Fix type of the local variable.
6347 Move local variables. Add comment.
6348 (check_reg_live): Change signature. Make callable from debugger.
6349 * sched-int.h (check_reg_live): Update signature.
6350 * sched-ebb.c (check_reg_live): Update parameters.
6351 * sched-rgn.c (check_reg_live): Ditto.
6352 (region_head_or_leaf_p): Check pointer before dereferencing.
6353 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6354 before reload on optimization levels below 1.
6356 2006-03-23 Richard Henderson <rth@redhat.com>
6358 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6362 * config/alpha/predicates.md (local_symbolic_operand): Reject
6365 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6368 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6369 expressions which have overflowed constants.
6371 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6373 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6375 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6377 * cfgloopmanip.c (create_loop_notes): Removed.
6378 * final.c (final_scan_insn): Do not handle loop notes.
6379 * jump.c (squeeze_notes): Ditto.
6380 * cfglayout.c (skip_insns_after_block,
6381 duplicate_insn_chain): Ditto.
6382 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6384 * cfgloop.h (create_loop_notes): Declaration removed.
6386 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6388 * varasm.c (output_constant_pool): Restore fnname and fndecl
6390 (assemble_start_function): Adjust call accordingly.
6391 (assemble_end_function): Likewise.
6393 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6396 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6399 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6401 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6404 * system.h (ICE_EXIT_CODE): New macro.
6405 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6406 (diagnostic_action_after_output): Likewise.
6407 * gcc.c (fatal_ice): New function.
6408 (execute): Use it instead of fatal.
6409 (fancy_abort): Likewise.
6410 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6412 2006-03-22 Jeff Law <law@redhat.com>
6414 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6415 iv_analyze_result returning false.
6417 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6419 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6421 2006-03-22 Richard Henderson <rth@redhat.com>
6424 * except.c (duplicate_eh_regions_0): New.
6425 (duplicate_eh_region_1): Duplicate the children of the node as
6426 well as the node itself. Link them up properly.
6427 (duplicate_eh_region_2): Merge into ...
6428 (duplicate_eh_regions): ... here. Take copy_region argument, and
6429 copy only a sub-tree if asked. Simplify copying and fixup.
6430 (eh_region_outer_p): New.
6431 * except.h (duplicate_eh_regions): Update decl.
6432 (eh_region_outer_p): Declare.
6433 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6434 (lower_omp_master): Likewise.
6435 (lower_omp_ordered): Likewise.
6436 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6437 (move_stmt_r): Use it to remap labels. Handle recursion vs
6438 remap_decls_p properly.
6439 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6440 (find_outermost_region_in_block): New.
6441 (new_label_mapper): New.
6442 (move_sese_region_to_fn): Copy eh information to the new function
6444 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6446 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6449 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6451 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6452 into shared libraries.
6454 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6456 * doc/md.texi: Refer to i386/constraints.md instead of
6458 * config/i386/constraints.md: New file, extracted from...
6459 * config/i386/predicates.md: ...here.
6460 * config/i386/i386.md: Include constraints.md.
6462 2006-03-21 Jason Merrill <jason@redhat.com>
6464 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6467 * expr.c (init_block_move_fn): Force default visibility.
6468 (init_block_clear_fn): Likewise.
6469 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6470 * targhooks.c (default_external_stack_protect_fail): Likewise.
6472 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6474 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6475 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6476 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6477 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6478 (loadgp): Use mips_current_loadgp_style.
6479 (loadgp_noshared): New pattern.
6480 (sibcall_internal): Use MIPS_CALL.
6481 (sibcall_value_internal): Likewise.
6482 (sibcall_value_multiple_internal): Likewise.
6483 (call_internal): Likewise.
6484 (call_value_internal): Likewise.
6485 (call_value_multiple_internal): Likewise.
6486 (call_split): Use MIPS_CALL and add an 'S' constraint.
6487 (call_value_split): Likewise.
6488 (call_value_multiple_split): Likewise.
6489 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6490 (-mshared): New option.
6491 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6492 (mips_current_loadgp_style): Declare.
6493 * config/mips/mips.c (mips_classify_symbol): Avoid using
6494 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6495 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6496 TARGET_ABSOLUTE_ABICALLS.
6497 (override_options): Adjust comments. Improve the warning that is
6498 issued when -mabicalls and -G are used together.
6499 (mips_file_start): Remove comment.
6500 (mips_current_loadgp_style): New function.
6501 (mips_gnu_local_gp): New variable.
6502 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6504 (mips_output_function_prologue): Use mips_current_laodgp_style.
6505 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6506 the cprestore instruction.
6507 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6508 live for TARGET_ABSOLUTE_ABICALLS.
6509 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6510 (ASM_SPEC): Pass down -mshared and -mno-shared.
6511 (MIPS_CALL): New macro.
6512 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6514 * doc/invoke.texi (-mabicalls): Update documentation.
6515 (-mshared): Document.
6517 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6519 * config/ia64/unwind-hpux.c: New file.
6520 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6522 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6525 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6527 2006-03-21 Jeff Law <law@redhat.com>
6529 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6530 type conversions of a VR_VARYING source to a wider type.
6532 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6534 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6535 tm_file on Solaris 10 and later.
6536 (sparc64-*-solaris2*): Likewise.
6537 (sparc-*-solaris2*): Likewise.
6538 * config/sol26.h: Rename to config/sol2-6.h.
6539 * config/sol2-10.h: New file.
6541 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6544 * tree-ssa-pre.c (create_component_ref_by_pieces):
6547 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6550 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6551 return it immediately.
6553 2006-03-21 Michael Matz <matz@suse.de>
6555 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6557 (remove_arc, add_arc): Update num_out_arcs member.
6558 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6560 (cache_presence): New function.
6561 (compare_states_for_equiv): New function.
6562 (state_is_differed): Don't take number of outargs, adjust callers.
6563 Use new invariant for speeding up.
6564 (init_equiv_class): Create initial classes based on sorted
6566 (partition_equiv_class): Don't track out_arcs_num.
6567 (evaluate_equiv_classes): Call cache_presence on all states and
6570 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6572 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6573 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6574 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6575 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6577 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6578 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6579 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6580 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6581 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6583 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6584 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6585 (REGNO_REG_CLASS): ARGP is in PREGS.
6586 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6588 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6589 to deal with those addresses.
6590 * addresses.h: New file.
6591 * caller-save.c: Include "addresses.h".
6592 (init_caller_save): Use new base_reg_class function.
6593 * rtl-factoring.c: Include "addresses.h".
6594 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6595 * recog.c: Include "addresses.h".
6596 (preprocess_constraints): Use new base_reg_class function.
6597 * regrename.c: Include "addresses.h".
6598 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6599 functions. Keep track of a new var INDEX_CODE to compute valid
6601 (replace_oldest_value_addr): Likewise.
6602 (replace_oldest_value_mem): Use base_reg_class.
6603 * reload.c: Include "addresses.h".
6604 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6605 (find_reloads): Use new base_reg_class function.
6606 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6607 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6608 all callers and prototype changed.
6609 * reload1.c: Include "addresses.h".
6610 (maybe_fix_stack_asms): Use base_reg_class.
6611 * regclass.c: Include "addresses.h".
6612 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6613 (init_reg_autoinc): Use new base_reg_class function.
6614 (record_reg_classes): Likewise.
6615 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6616 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6617 Use new args to compute necessary class.
6619 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6620 regrename.o, rtl-factoring.o): Update dependencies.
6621 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6622 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6623 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6624 REG_OK_FOR_INDEX_P): Delete documentation.
6626 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6628 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6629 from V7 to V9 for Solaris 7 and above.
6631 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6633 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6634 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6635 argument pointers may not alias any other storage.
6636 * common.opt: Define option -fargument-noalias-anything.
6637 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6638 alias semantics is specified by flag_argument_noalias > 2.
6640 2006-03-20 Jeff Law <law@redhat.com>
6642 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6643 (pass_phi_only_cprop): Declare.
6644 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6646 * tree-ssa-dom.c (degenerate_phi_result): New function.
6647 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6648 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6649 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6650 (eliminate_degenerate_phis): Likewise.
6651 (pass_phi_only_cprop): New pass descriptor.
6652 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6653 support code. Callers updated.
6654 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6655 (store_copy_prop): Likewise.
6656 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6658 2006-03-20 Jason Merrill <jason@redhat.com>
6661 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6662 (push_visibility, pop_visibility): Likewise.
6663 * c-pragma.h: Declare them.
6665 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6667 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6669 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6670 parameter and use get_ebb_head_tail.
6671 (sh_md_init_global): Adjust uses of find_regmode_weight.
6673 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6675 * function.h (struct function) <x_tail_recursion_reentry>:
6676 Rename to x_stack_check_probe_note.
6677 (tail_recursion_reentry): Rename to stack_check_probe_note.
6678 * function.c: Replace tail_recursion_reentry with
6679 stack_check_probe_note everywhere.
6680 (expand_function_start): Only emit a note for
6681 stack_check_probe_note with -fstack-protect.
6682 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6684 * emit-rtl.c (remove_unnecessary_notes): Remove.
6685 (pass_remove_unnecessary_notes): Remove.
6686 * rtl.h (remove_unnecessary_notes): Remove prototype.
6687 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6688 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6689 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6691 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6694 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6695 (valid_in_set): Handle ARRAY_REF.
6696 Change "if min_variant or VH" to asserts.
6697 (create_component_ref_by_pieces): Handle ARRAY_REF.
6698 (create_expression_by_pieces): Likewise.
6699 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6701 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6703 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6704 is operand of switch, not str[0].
6706 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6708 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6709 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6711 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6713 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6714 end of insn_extra_address_constraint declaration.
6716 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6718 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6719 (no-sum-in-toc): Same.
6720 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6722 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6723 NO_FP_IN_TOC for -fPIC instead of mask.
6725 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6726 (BOOT_LDFLAGS): Delete.
6728 * config/rs6000/t-aix52: Same.
6730 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6731 (stmsi[345678]_power): New.
6733 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6735 * config/ia64/ia64.opt: Add empty line to end of file.
6737 2006-03-17 Richard Guenther <rguenther@suse.de>
6740 * builtins.c (get_pointer_alignment): For component style references
6741 adjust alignment to the component type alignment. Make sure
6742 to adjust alignment for component access of constants.
6744 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6746 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6749 2006-03-17 Paul Brook <paul@codesourcery.com>
6751 * doc/install.texi: Docuemnt --with-mode.
6752 * config.gcc: Add --with-mode for arm*-*-*.
6753 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6755 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6757 * sh.c (max_labelno_before_reorg): New variable.
6758 (sh_reorg): Initialize it.
6759 (find_barrier): Check max_labelno_before_reorg before using
6760 label_to_alignment. Take length of explicit alignment insns
6761 into account. When seeing a UNSPECV_CONST_END, return it.
6763 * sh.c (fixup_mova): Set mode of affected label to QImode.
6764 (untangle_mova): New function.
6765 (find_barrier): Use it. Check mode of label before decrementing
6767 (sh_reorg): Likewise.
6768 Set mode of all insns back to VOIDmode.
6770 * sh.c (MOVA_LABELREF): New macro.
6771 (mova_p, fixup_mova, sh_reorg): Use it.
6772 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6773 ADDR_DIFF_VEC matches mova.
6775 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6777 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6778 with ATTRIBUTE_UNUSED.
6780 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6782 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6783 pointer, instead of assuming it is possible to derive the
6784 correct args size from a call insn.
6786 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6788 * rtl.h (CONST_INT_P): Define.
6789 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6790 instead of GET_CODE(x) == CONST_INT.
6791 (vax_rtx_costs): Likewise.
6792 (vax_output_int_move): Likewise.
6793 (vax_output_int_add): Likewise.
6794 (legitimate_constant_address_p): Likewise.
6795 (index_term_p): Likewise.
6796 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6797 * config/vax/vax.md (and<mode>3): Likewise.
6798 (ashrsi3): Likewise.
6800 (movstricthi): Likewise.
6801 (movstrictqi): Likewise.
6802 (rotrsi3): Likewise.
6803 (five unnamed insns): Likewise.
6805 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6807 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6808 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6809 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6810 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6811 Pass to ASM_OUTPUT_DWARF_OFFSET.
6812 * dwarf2out.c (debug_frame_section): New.
6813 (output_call_frame_info): Use debug_frame_section. Pass it to
6814 dw2_asm_output_offset.
6815 (output_die): Pass appropriate section to dw2_asm_output_offset.
6816 (output_compilation_unit_header): Likewise.
6817 (output_pubnames): Likewise.
6818 (output_aranges): Likewise.
6819 (enum dw_val_class): Break dw_val_class_lbl_offset into
6820 dw_val_class_lineptr and dw_val_class_macptr.
6821 (add_AT_lbl_offset): Delete.
6822 (add_AT_lineptr): New.
6823 (add_AT_macptr): New.
6824 (AT_lbl): Expect a lineptr or macptr.
6825 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6826 (attr_checksum): Likewise.
6827 (same_dw_val_p): Likewise.
6828 (size_of_die): Likewise.
6829 (value_format): Likewise.
6830 (output_die): Likewise.
6831 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6833 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6834 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6835 * config/darwin-protos.h (darwin_file_start): New.
6836 (darwin_asm_output_dwarf_offset): New.
6837 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6838 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6840 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6841 if not EH section; simplify.
6842 (darwin_file_start): New.
6843 (darwin_asm_output_dwarf_offset): New.
6844 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6846 (DEBUG_INFO_SECTION): Likewise.
6847 (DEBUG_ABBREV_SECTION): Likewise.
6848 (DEBUG_ARANGES_SECTION): Likewise.
6849 (DEBUG_MACINFO_SECTION): Likewise.
6850 (DEBUG_LINE_SECTION): Likewise.
6851 (DEBUG_LOC_SECTION): Likewise.
6852 (DEBUG_PUBNAMES_SECTION): Likewise.
6853 (DEBUG_STR_SECTION): Likewise.
6854 (DEBUG_RANGES_SECTION): Likewise.
6855 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6856 (ASM_OUTPUT_DWARF_OFFSET): New.
6858 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6860 * config.gcc (tm_defines): Always add to previous value rather
6863 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6865 * config/mips/predicates.md (splittable_const_int_operand): New,
6866 split from move_operand.
6867 (splittable_symbolic_operand): New.
6868 (move_operand): Add commentary. Use splittable_const_int_operand.
6869 Inline mips_atomic_symbolic_constant_p.
6870 * config/mips/mips.md: Add combine splitters for handling moves
6871 of splittable_const_int_operands and splittable_symbolic_operands.
6872 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6873 (mips_split_symbol): Declare.
6874 (mips_move_integer): Declare.
6875 * config/mips/mips.c (mips_split_p): Make global.
6876 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6877 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6878 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6879 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6880 (mips_offset_within_object_p): Handle block symbols.
6881 (mips_atomic_symbolic_constant_p): Delete.
6882 (mips_cannot_force_const_mem): Return false for constants that
6883 mips_legitimize_move can handle.
6884 (mips_use_blocks_for_constant_p): New function.
6885 (mips_split_symbol): Make global.
6886 (mips_move_integer): Likewise. Add a temporary register argument.
6887 (mips_legitimize_const_move): Use splittable_const_int_operand and
6888 splittable_symbolic_operand.
6889 (mips_use_anchors_for_symbol_p): New function.
6890 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6891 (mips_split_p): Declare.
6893 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6895 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6896 (mips*-*-linux*): Likewise.
6898 2006-03-16 Roger Sayle <roger@eyesopen.com>
6899 Daniel Speyer <dspeyer@wam.umd.edu>
6902 * tree-dump.c (dump_real): New function.
6903 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6904 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6905 (tree-dump.o): Add $(REAL_H) to the dependencies.
6907 2006-03-16 Roger Sayle <roger@eyesopen.com>
6910 * real.c (real_from_string): If the mantissa is zero, don't bother
6911 parsing the exponent as the result should always be zero.
6913 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6915 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6917 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6919 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6920 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6921 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6922 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6923 ia64_sched_finish_global): New static functions to implement
6924 hooks from gcc_target.sched.
6925 (spec_check_no, max_uid, pending_data_specs): New static variables.
6926 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6927 ia64_spec_check_src_p): New static functions.
6928 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6929 (TARGET_SCHED_ADJUST_COST): Removed.
6930 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6931 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6932 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6933 TARGET_SCHED_GEN_CHECK,
6934 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6935 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6936 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6937 Fixed to handle speculation checks.
6938 (rtx_needs_barrier): Fixed to handle speculative loads and
6940 (ia64_variable_issue): Added code to count speculative loads and their
6942 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6944 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6946 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6948 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6949 (ia64_reorg): Reset stops_p to NULL after it is freed.
6950 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6951 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6952 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6954 (data_speculative, control_speculative, check_load): New attributes.
6955 (mov<mode>_advanced, mov<mode>_speculative,
6956 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6957 zero_extend<mode>di2_speculative,
6958 zero_extend<mode>di2_speculative_advanced): New patterns for
6959 data and control speculative loads.
6960 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6962 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6963 New pattern for data and control speculation checks.
6964 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6965 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6966 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6967 Auxiliary definitions for the patterns.
6968 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6969 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6971 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6973 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6974 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6975 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6976 New resource constraints.
6977 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6979 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6980 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6981 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6982 msched-in-control-spec, msched-ldc, msched-control-ldc,
6983 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6984 msched-prefer-non-control-spec-insns,
6985 msched-count-spec-in-critical-path): New flags to tune speculative
6987 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6988 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6989 msched-in-control-spec, msched-ldc, msched-control-ldc,
6990 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6991 msched-prefer-non-control-spec-insns,
6992 msched-count-spec-in-critical-path): Document new flags.
6994 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6996 * target.h (struct spec_info_def): New opaque declaration.
6997 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6998 speculate_insn, needs_block_p, gen_check,
6999 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7000 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7001 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7002 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7003 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7004 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7006 (TARGET_SCHED): Use new macros.
7007 * rtl.h (copy_DEPS_LIST_list): New prototype.
7008 * sched-int.h (struct sched_info): Change signature of new_ready field,
7009 adjust all initializations. New fields: add_remove_insn,
7010 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7011 region_head_or_leaf_p.
7012 (struct spec_info_def): New structure declaration.
7013 (spec_info_t): New typedef.
7014 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7015 recovery_block, orig_pat.
7016 (glat_start, glat_end): New variables declaraions.
7017 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7019 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7020 DETACH_LIFE_INFO, USE_GLAT.
7021 (enum SPEC_SCHED_FLAGS): New enumeration.
7022 (NOTE_NOTE_BB_P): New macro.
7023 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7024 attach_life_info, debug_spec_status, check_reg_live): New functions.
7025 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7026 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7028 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7029 * ddg.c (get_block_head_tail): Adjust all uses.
7030 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7031 (sms_sched_info): Initialize new fields.
7032 (contributes_to_priority): Removed.
7033 * haifa-sched.c (params.h): New include.
7034 (get_block_head_tail): Adjust all uses.
7035 (ISSUE_POINTS): New macro.
7036 (glat_start, glat_end): New global variables.
7037 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7038 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7039 old_last_basic_block, before_recovery, current_sched_info_var,
7040 rgn_n_insns, luid): New static variables.
7041 (insn_cost1): New function. Move logic from insn_cost to here.
7042 (find_insn_reg_weight1): New function. Move logic from
7043 find_insn_reg_weight to here.
7044 (reemit_notes, move_insn, max_issue): Change signature.
7045 (move_insn1): Removed.
7046 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7047 extend_bb): New static functions to support extension of scheduler's
7049 (generate_recovery_code, process_insn_depend_be_in_spec,
7050 begin_speculative_block, add_to_speculative_block,
7051 init_before_recovery, create_recovery_block, create_check_block_twin,
7052 fix_recovery_deps): New static functions to support
7053 generation of recovery code.
7054 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7055 restore_bb_notes, move_block_after_check, move_succs): New static
7056 functions to support ebb scheduling.
7057 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7058 functions to support handling of register live information.
7059 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7060 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7061 add_jump_dependencies): New static functions.
7062 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7063 consistancy checking.
7064 (debug_spec_status): New function to call from debugger.
7065 (priority): Added code to handle speculation checks.
7066 (rank_for_schedule): Added code to distinguish speculative instructions.
7067 (schedule_insn): Added code to handle speculation checks.
7068 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7069 Fixed to handle ebbs.
7070 (move_insn): Added code to handle ebb scheduling.
7071 (max_issue): Added code to use ISSUE_POINTS of instructions.
7072 (choose_ready): Added code to choose between speculative and
7073 non-speculative instructions.
7074 (schedule_block): Added code to handle ebb scheduling and scheduling of
7075 speculative instructions.
7076 (sched_init): Initialize new variables.
7077 (sched_finish): Free new variables. Print statistics.
7078 (try_ready): Added code to handle speculative instructions.
7079 * lists.c (copy_DEPS_LIST_list): New function.
7080 * sched-deps.c (extend_dependency_caches): New function. Move logic
7081 from create_dependency_caches to here.
7082 (get_dep_weak, ds_merge): Make global.
7083 * genattr.c (main): Code to output prototype for
7084 dfa_clear_single_insn_cache.
7085 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7086 (output_dfa_clean_insn_cache_func): Code to output
7087 dfa_clear_single_insn_cache function.
7088 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7090 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7092 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7093 New static variables.
7094 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7095 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7097 (ebb_sched_info): Initialize new fields.
7098 (get_block_head_tail): Adjust all uses.
7099 (compute_jump_reg_dependencies): Fixed to use glat_start.
7100 (schedule_ebb): Code to remove unreachable last block.
7101 (schedule_ebbs): Added code to update register live information.
7102 * sched-rgn.c (region_sched_info): Initialize new fields.
7103 (get_block_head_tail): Adjust all uses.
7104 (last_was_jump): Removed. Adjust users.
7105 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7106 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7107 Implement new hooks.
7108 (check_dead_notes1): New static function.
7109 (struct region): New fields: dont_calc_deps, has_real_ebb.
7110 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7111 (BB_TO_BLOCK): Fixed to handle EBBs.
7112 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7113 (ebb_head): New static variable.
7114 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7115 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7117 (compute_dom_prob_ps): New assertion.
7118 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7119 global_live_at_start.
7120 (init_ready_list): New assertions.
7121 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7122 (new_ready): Add support for BEGIN_CONTROL speculation.
7123 (schedule_insns): Fixed code that updates register live information
7125 (schedule_region): Fixed to handle EBBs.
7126 (init_regions): Use extend_regions and check_dead_notes1.
7127 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7128 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7129 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7130 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7131 TARGET_SCHED_GEN_CHECK,
7132 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7133 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7134 * doc/invoke.texi (max-sched-insn-conflict-delay,
7135 sched-spec-prob-cutoff): Document.
7137 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7139 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7140 inter_tick, queue_index.
7141 (struct sched_info): Change signature of init_ready_list field.
7142 Adjust all initializations.
7143 (RESOLVED_DEPS): New access macro.
7144 (ready_add): Remove prototype.
7145 (try_ready): Add prototype.
7146 * sched-rgn.c (init_ready_list): Use try_ready.
7147 (schedule_region): Initialize
7148 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7149 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7150 (init_ready_list): Use try_ready.
7151 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7152 * lists.c (remove_list_elem): Remove `static'.
7153 (remove_free_INSN_LIST_elem): New function.
7154 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7155 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7156 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7158 (readyp): New variable.
7159 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7160 change_queue_index, resolve_dep): New static functions.
7161 (try_ready): New function. Adjust callers in sched-rgn.c and
7162 sched-ebb.c to use it instead of ready_add.
7163 (clock_var): Move at the begining of file.
7164 (rank_for_schedule): Fix typo.
7165 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7166 (ready_lastpos): Enforce assertion.
7167 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7169 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7170 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7171 (queue_to_ready): Use free_INSN_LIST_list.
7172 (early_queue_to_ready): Fix typo.
7173 (schedule_block): Init readyp. Move init_ready_list call after the
7174 initialization of clock_var. Fix error in rejecting insn by
7175 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7176 that previously corrected INSN_TICKs. Add code for handling
7178 (set_priorities): Fix typo.
7179 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7180 Clarify comment and code that keeps current_sched_info->next_tail
7183 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7185 * sched-rgn.c (extend_rgns): New static function.
7186 (find_rgns): Use it.
7187 (gather_region_statistics, print_region_statistics): New static
7189 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7190 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7192 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7193 Andrey Belevantsev <abel@ispras.ru>
7195 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7196 * lists.c (unused_deps_list): New variable.
7197 (free_list): Add assertions to verify the proper distinguishing
7198 between INSN_LISTs and DEPS_LISTs.
7199 (find_list_elem, remove_list_elem, remove_list_node): New static
7201 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7202 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7203 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7204 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7206 (free_INSN_LIST_node): Likewise.
7207 * modulo-sched.c (current_sched_info): Initialize flags field.
7208 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7209 * rtl.def (DEPS_LIST): Define.
7210 * rtl.h: Declare new functions from lists.c.
7211 * sched-deps.c (spec_dependency_cache): New static variable.
7212 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7213 (add_dependence): Change return type to void. Move the logic to ...
7214 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7215 (delete_all_dependences): Add comment about forward_dependency_cache.
7216 Handle spec_dependency_cache. Handle DEPS_LISTs.
7217 (fixup_sched_groups): Clarify the change of priority of output
7218 and anti dependencies.
7219 (sched_analyze_2): Adjust add_dependence calls to create data
7220 speculative dependence.
7221 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7222 Adjust all callers. Handle DEPS_LISTS.
7223 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7224 presence of speculation.
7225 (init_dependency_caches, free_dependency_caches):
7226 Handle spec_dependency_cache.
7227 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7228 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7229 New static functions.
7230 (add_or_update_back_dep, add_or_update_back_forw_dep,
7231 add_back_forw_dep, delete_back_forw_dep): New functions.
7232 * sched-int.h (ds_t, dw_t): New typedefs.
7233 (struct sched_info): Add new field flags.
7234 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7235 Prototype new sched-deps.c functions.
7236 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7237 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7238 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7239 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7240 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7241 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7243 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7245 * sched-rgn.c (current_sched_info): Initialize flags field.
7246 (schedule_insns): Initialize current_sched_info before the sched_init
7248 * sched-ebb.c (current_sched_info): Initialize flags field.
7249 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7250 Call add_or_update_back_dep instead of add_dependence.
7251 Create control speculative dependencies.
7252 (schedule_insns): Initialize current_sched_info before the sched_init
7255 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7257 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7259 (sh_fallback_frame_state): Likewise.
7261 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7263 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7264 Do switch on default_use_cxa_atexit.
7265 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7266 * config/darwin-crt3.o: New.
7267 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7268 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7269 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7271 * config/rs6000/t-darwin: Move crt2.o building to here.
7272 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7273 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7276 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7278 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7279 from '! xxx' to '!xxx' for coding-style conformance.
7280 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7281 (EXTRA_CONSTRAINT): Likewise.
7282 * config/vax/vax.md (four unnamed insns): Likewise.
7284 2006-03-15 Paul Brook <paul@codesourcery.com>
7286 * config/arm/arm.c (minipool_pad): New.
7287 (add_minipool_forward_ref): Include pool alignment padding in address
7289 (push_minipool_fix): Set minipool_pad.
7290 (minipool_pad): Ditto.
7292 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7294 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7295 instead of GET_CODE() == MEM and REG_P() instead of
7297 (print_operand_address): Likewise.
7298 (vax_address_cost): Likewise.
7299 (vax_rtx_costs): Likewise.
7300 (vax_notice_update_cc): Likewise.
7301 (vax_output_int_add): Likewise.
7302 (INDEX_REGISTER_P): Likewise.
7303 (BASE_REGISTER_P): Likewise.
7304 (nonindexed_address_p): Likewise.
7305 (vax_mode_dependent_address_p): Likewise.
7306 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7307 (PRINT_OPERAND): Likewise.
7308 * config/vax/vax.md (ashlsi3): Likewise.
7309 (ashlsi3): Likewise.
7310 (some more unnamed insns): Likewise.
7312 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7314 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7315 iterator-style macro.
7316 (mark_control_dependent_edges_necessary): Update the use of
7317 EXECUTE_IF_CONTROL_DEPENDENT.
7319 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7321 * config/sh/predicates.md (cache_address_operand): Special.
7322 (ua_address_operand): Likewise.
7324 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7326 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7328 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7330 2006-03-15 Andreas Schwab <schwab@suse.de>
7332 * gensupport.c (identify_predicable_attribute): Don't free p_false
7333 when it is still in use.
7335 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7337 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7338 the default setting here.
7340 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7342 * tree-pass.h (pass_cfg): Remove.
7343 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7344 * passes.c (pass_cfg): Don't run it.
7346 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7348 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7349 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7351 (stack_regs_mentioned): Update the uses of
7352 stack_regs_mentioned_data. Don't access the array beyond its
7354 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7355 Don't include gt-reg-stack.h.
7357 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7358 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7360 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7363 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7366 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7368 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7370 2006-03-14 Richard Guenther <rguenther@suse.de>
7372 PR tree-optimization/26672
7373 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7376 2006-03-14 Richard Guenther <rguenther@suse.de>
7378 PR tree-optimization/26667
7379 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7380 node for the callees. Always allow inlining if it will shrink
7383 2006-03-14 Richard Guenther <rguenther@suse.de>
7386 * builtins.c (get_pointer_alignment): Prefer alignment
7387 information from decls over that from types.
7389 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7392 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7394 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7396 * config/rs6000/rs6000.opt (mdlmzb): New option.
7397 (msched-prolog, msched-epilog): Use Var not Mask.
7398 * doc/invoke.texi (-mdlmzb): Document.
7399 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7401 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7402 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7404 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7406 PR rtl-optimization/25739
7407 * bt-load.c (augment_live_range): Free tos pointer.
7409 * gensupport.c (identify_predicable_attribute): Free
7411 * gcov.c (create_file_names): Free name pointer.
7413 2006-03-13 Roger Sayle <roger@eyesopen.com>
7416 * stmt.c (emit_case_nodes): Handle the case where the index is a
7417 CONST_INT, where the comparison mode is specified by the index type.
7419 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7421 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7424 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7426 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7427 (*branch_fp_inverted): Likewise.
7429 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7432 * omp-low.c (expand_omp_for_generic): Mark istart0
7433 and iend0 as addressable.
7435 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7437 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7439 2006-03-13 Jeff Law <law@redhat.com>
7441 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7442 virtual operands are interesting.
7443 (vrp_visit_stmt): Corresponding changes.
7445 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7447 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7449 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7450 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7451 * config/bfin/crti.S: Use it instead of __PIC__.
7452 * config/bfin/crtn.S: Likewise.
7454 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7455 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7457 Lose 'G' modifier for call operand.
7458 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7459 recognize 'G' modifier.
7461 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7464 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7465 * stmt.c (expand_case): Likewise.
7467 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7469 PR rtl-optimization/26254
7470 * loop-invariant.c (seq_insns_valid_p): New function.
7471 (move_invariant_reg): Only emit new code if it is valid.
7473 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7475 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7477 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7478 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7479 (commit_one_edge_insertion): Do not look for loop notes.
7481 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7483 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7484 flag_test_coverage out of loop.
7486 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7488 * final.c (shorten_branches): Remove outdated comment, and turn
7489 the if branch that guards it to continue.
7491 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7493 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7494 * cfgloop.h (struct loop): Remove unused fields.
7496 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7498 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7499 (-dL, -fdump-rtl-loop2): Update the dump file names
7501 * doc/invoke.texi: Update dump file names.
7503 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7505 * predict.c (estimate_probability): Remove.
7506 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7507 * basic-block.h (estimate_probability): Remove prototype.
7508 * passes.c (finish_optimization_passes): Dump branch prediction or
7509 profiling heuristics to the .profile tree dump.
7510 (init_optimization_passes): Unqueue pass_branch_prob.
7512 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7514 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7516 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7517 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7519 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7521 * function.h (frame_offset_overflow): Declare.
7522 * function.c (frame_offset_overflow): New function.
7523 (assign_stack_local_1): Call it to detect that the offset overflows.
7524 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7526 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7528 * config/sh/sh.c: Include alloc-pool.h.
7529 (label_ref_list_pool): New alloc pool.
7530 (label_ref_list_t): New type for lists of labels.
7531 (struct pool_node): Make wend a label_ref_list_t.
7532 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7534 (dump_table): Likewise.
7535 (sh_reorg): Set up the alloc pool before using add_constant and
7536 dump_table, and destroy it when finishing.
7538 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7540 * config/mips/mips.c: Remove redundant comment.
7542 2006-03-10 Jason Merrill <jason@redhat.com>
7545 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7546 the target was declared 'register'.
7548 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7550 * genpreds.c (write_insn_constraint_len): Change definition of
7551 insn_constraint_len to return size_t to match the declaration.
7553 2006-03-10 DJ Delorie <dj@redhat.com>
7555 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7557 (m32c_expand_insv): Fix test for an AND mask.
7559 2006-03-10 Richard Guenther <rguenther@suse.de>
7562 * builtins.c (get_pointer_alignment): Handle component
7563 references for field alignment.
7565 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7567 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7568 when building with libgloss.
7569 (sh*elf): Implement --without-fp option.
7570 (sh64-superh-linux*): Don't multilib.
7572 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7574 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7576 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7578 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7579 Set it when one of the replacement functions returned true.
7580 Return TODO_cleanup_cfg if cfgchanged is true.
7581 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7583 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7585 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7586 instead of gen_lowpart.
7588 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7590 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7592 (mips_output_order_conditional_branch): Declare.
7593 * config/mips/mips.h (MIPS_BRANCH): New macro.
7594 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7595 for the comparison. Use gen_condjump.
7596 (mips_output_conditional_branch): Rework interface to take the
7597 asm templates for a direct branch and the inverse of a direct branch.
7598 (mips_output_order_conditional_branch): New function.
7599 (mips_builtin_branch_and_move): New function.
7600 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7601 branch condition. Use gen_single_cc as the condition for
7602 __builtin_mips_upper_* or __builtin_mips_lower_*.
7603 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7604 Use VOIDmode for the branch condition.
7605 * config/mips/predicates.md (order_operator): New predicate.
7606 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7607 (branch_fp): Rename to...
7608 (*branch_fp): ...this. Remove mode from comparison operator.
7609 Use new mips_output_conditional_branch interface.
7610 (branch_fp_inverted): Rename to...
7611 (*branch_fp_inverted): ...this and update as for *branch_fp.
7612 (*branch_zero<mode>): Rename to...
7613 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7614 Use mips_output_order_conditional_branch. Only accept ordered
7616 (*branch_zero<mode>_inverted): Rename to...
7617 (*branch_order<mode>_inverted): ...this and update as for
7618 *branch_order<mode>.
7619 (*branch_equality<mode>): Accept zero as the second operand to
7620 the equality operator. Use the new mips_output_conditional_branch
7622 (*branch_equality<mode>_inverted): Likewise.
7623 (condjump): New expander.
7624 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7626 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7627 (bc1any2t, bc1any2f): Likewise.
7628 (single_cc): New expander.
7629 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7631 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7633 * doc/md.texi: Update documentation of MIPS constraints.
7634 * config/mips/constraints.md: New file.
7635 * config/mips/mips.md: Include it.
7636 * config/mips/mips.c (mips_char_to_class): Delete.
7637 (override_options): Don't initialize mips_char_to_class.
7638 * config/mips/mips.h (mips_char_to_class): Delete.
7639 (REG_CLASS_FROM_LETTER): Delete.
7640 (CONST_OK_FOR_LETTER_P): Delete.
7641 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7642 (EXTRA_CONSTRAINT_Y): Delete.
7643 (EXTRA_CONSTRAINT_STR): Delete.
7644 (CONSTRAINT_LEN): Delete.
7645 (EXTRA_MEMORY_CONSTRAINT): Delete.
7647 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7649 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7650 original fn's eh regions.
7652 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7654 * fold-const.c (build_range_check): Make sure to use a valid type to
7655 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7658 (range_predecessor): New static function.
7659 (range_successor): Likewise.
7660 (merge_ranges): Use them to compute predecessors and successors of
7663 2006-03-09 Roger Sayle <roger@eyesopen.com>
7666 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7667 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7669 2006-03-08 DJ Delorie <dj@redhat.com>
7671 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7672 (addpsi3): Expand to include memory operands. Remove
7673 reload-specific splits.
7674 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7675 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7676 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7677 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7678 (shift1_qi, shift1_hi, insv): New.
7679 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7680 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7681 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7683 * config/m32c/m32c-protos.h: Update as needed.
7684 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7685 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7686 Fail for unrecognized R* constraints.
7687 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7688 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7689 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7691 (m32c_init_libfuncs): New.
7692 (m32c_legitimate_address_p): Add debug wrapper.
7693 (m32c_rtx_costs): New.
7694 (m32c_address_cost): New.
7695 (conversions): Add 'B' prefix.
7696 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7697 operands, or word regnames for QI operands. 'B' prints bit
7699 (m32c_expand_setmemhi): New.
7700 (m32c_expand_movmemhi): New.
7701 (m32c_expand_movstr): New.
7702 (m32c_expand_cmpstr): New.
7703 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7704 (m32c_expand_neg_mulpsi3): Handle non-ints.
7705 (m32c_cmp_flg_0): New.
7706 (m32c_expand_movcc): New.
7707 (m32c_expand_insv): New.
7708 (m32c_scc_pattern): New.
7709 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7710 a0/a1 out of SIregs.
7711 (STORE_FLAG_VALUE): New.
7712 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7715 * config/m32c/mov.md: Make constraints more liberal.
7716 (zero_extendqihi2): Optimize r0/r1 case.
7717 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7718 * config/m32c/predicates.md (m32c_any_operand): New.
7719 (m32c_nonimmediate_operand): New.
7720 (m32c_hl_operand): New.
7721 (m32c_r3_operand): New.
7724 (memsym_operand): New.
7725 (memimmed_operand): New.
7726 (a_qi_operand): New.
7727 (m32c_eqne_operator): New.
7728 (m32c_1bit8_operand): New.
7729 (m32c_1bit16_operand): New.
7730 (m32c_1mask8_operand): New.
7731 (m32c_1mask16_operand): New.
7732 * config/m32c/blkmov.md: New file.
7733 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7735 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7737 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7738 unsigned to fix signed/unsigned comparison issue in
7739 DWARF2_FRAME_REG_OUT.
7740 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7741 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7743 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7744 of ptr into the ENABLE_CHECKING section.
7746 2006-03-08 Jeff Law <law@redhat.com>
7748 * tree-vrp.c (infer_value_range): Only count pointer uses
7749 and dereferences if -fdelete-null-pointer-checks is enabled.
7751 * tree-vrp.c (find_assert_locations): Infer value ranges for
7752 single use pointers, but do not create ASSERT_EXPRs for them.
7753 When a non-null range is inferred for a pointer, backwards
7754 propagate that range to other equivalent pointers through the
7757 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7760 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7761 language hook targets.
7762 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7763 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7764 if language hook targets were missing.
7766 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7768 * tree-ssa-opfinalize.h: Removed.
7769 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7771 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7772 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7773 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7774 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7775 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7776 finalize_ssa_v_must_def_ops): New.
7778 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7780 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7783 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7785 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7787 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7788 addresses with offsets; reorganize.
7790 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7791 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7792 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7794 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7797 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7799 2006-03-08 Ben Elliston <bje@au.ibm.com>
7801 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7803 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7806 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7809 2006-03-07 Richard Guenther <rguenther@suse.de>
7811 PR tree-optimization/26587
7812 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7814 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7816 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7818 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7820 * hooks.c (hook_bool_mode_rtx_true): New function.
7821 * hooks.h (hook_bool_mode_rtx_true): Declare.
7822 * toplev.c (compile_file): Call output_shared_constant_pool.
7823 * varasm.c (shared_constant_pool): New variable.
7824 (assemble_start_function, assemble_end_function): Remove arguments
7825 from call to output_constant_pool.
7826 (create_constant_pool): New function, split out from...
7827 (init_varasm_status): ...here.
7828 (force_const_mem): Choose between the shared and per-function constant
7829 pools. Set current_function_uses_const_pool when reusing old entries
7830 as well as when creating new ones.
7831 (mark_constant): Ignore data argument.
7832 (mark_constants): Remove pool argument.
7833 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7834 to decide whether the function uses a constant pool.
7835 (output_constant_pool_contents): New function, split out from...
7836 (output_constant_pool): ...here.
7837 (output_shared_constant_pool): New function.
7838 (init_varasm_once): Initialize shared_constant_pool.
7839 * output.h (output_constant_pool): Delete.
7840 (output_shared_constant_pool): Declare.
7841 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7842 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7844 2006-03-06 Nick Clifton <nickc@redhat.com>
7846 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7847 flag_strength_reduce.
7849 2006-03-06 Ben Elliston <bje@au.ibm.com>
7851 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7852 x86_64-*-linux* configurations.
7854 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7855 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7857 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7859 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7861 * basic-block.h: Remove the extern for
7862 rediscover_loops_after_threading.
7864 * cfgloop.c (cancel_loop): Make it static.
7865 * cfgloop.h: Remove the prototype for cancel_loop.
7867 * flow.c (recompute_reg_usage): Make it static.
7868 * rtl.h: Remove the prototype for recompute_reg_usage.
7870 * function.c (use_return_register): Make it static.
7871 * function.h: Remove the prototype.
7873 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7875 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7877 * recog.h: Remove the prototype for
7878 validate_change_maybe_volatile.
7880 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7882 * rtlanal.c (replace_reg): Remove.
7883 * rtl.h: Remove the prototype for replace_reg.
7885 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7887 * regclass.c (reg_scan_update): Remove.
7888 (reg_scan_mark_refs): Remove the last argument.
7889 * rtl.h: Remove the prototype for reg_scan_update.
7891 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7893 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7894 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7895 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7896 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7897 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7898 loop-invariant.c, omp-low.c, opts.c, passes.c,
7899 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7900 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7901 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7902 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7903 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7904 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7906 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7908 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7909 * dwarf2out.h: Remove the prototype for
7910 dwarf2out_add_library_unit_info.
7912 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7914 * tree.c (add_var_to_bind_expr): Remove.
7915 * tree.h: Remove the prototype for add_var_to_bind_expr.
7917 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7919 * regclass.c (n_non_fixed_regs): Remove.
7920 (init_reg_sets_1, globalize_reg): Remove all uses of
7922 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7924 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7926 * rtlanal.c (insns_safe_to_move_p): Remove.
7927 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7929 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7931 * expmed.c (expand_mult_add): Remove.
7932 * expr.h: Remove the prototype for expand_mult_add.
7934 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7936 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7937 and REG_SAVED_VAL_EXP constants.
7938 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7939 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7940 Handle regs stored by value.
7941 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7942 (execute_cfa_program): Handle DW_CFA_val_offset,
7943 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7944 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7945 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7946 (uw_install_context_1): Handle target regs stored by value.
7948 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7950 * tree-sra.c (tree_sra): Return todoflags;
7951 (generate_one_element): Set TODO_update_smt_usage if needed.
7952 (pass_sra): Remove TODO_update_smt_usage.
7953 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7955 (tree_ssa_forward_propagate_single_use_vars): Return
7956 TODO_update_smt_usage if we need to update SMT usage.
7957 (pass_forwprop): Remove TODO_update_smt_usage.
7959 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7961 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7962 (correct_use_link): Remove reference to get_stmt_operands.
7963 (update_stmt_operands): Likewise.
7964 (get_modify_expr_operands): New function factored out of
7965 parse_ssa_operands and get_expr_operands.
7966 Try to create V_MUST_DEFs for LHS by default.
7967 (get_expr_operands) <case MODIFY_EXPR>: Call
7968 get_modify_expr_operands.
7969 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7970 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7971 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7972 get_modify_expr_operands.
7974 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7976 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7977 * tree-flow.h: Remove the prototype for
7978 referenced_var_lookup_if_exists.
7980 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7982 PR rtl-optimization/26345
7984 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7986 2006-03-03 Roger Sayle <roger@eyesopen.com>
7988 PR tree-optimization/26524
7989 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7990 fold_convert to create a constant of the appropriate type.
7992 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7994 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7995 SYMBOL_REF_IN_BLOCK_P.
7996 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7997 of SYMBOL_FLAG_IN_BLOCK.
7998 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7999 instead of SYMBOL_REF_IN_BLOCK_P.
8000 * explow.c (use_anchored_address): Likewise.
8001 * rtl.c (rtx_size): Likewise.
8002 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8003 instead of SYMBOL_FLAG_IN_BLOCK.
8004 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8005 SYMBOL_REF_IN_BLOCK_P.
8006 (assemble_variable): Likewise.
8007 (output_constant_def_contents): Likewise.
8008 (output_constant_pool): Likewise.
8009 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8010 instead of SYMBOL_FLAG_IN_BLOCK.
8011 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8012 SYMBOL_REF_IN_BLOCK_P.
8013 (SYMBOL_REF_BLOCK): Likewise.
8014 (SYMBOL_REF_OFFSET): Likewise.
8015 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8016 SYMBOL_REF_IN_BLOCK_P.
8017 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8018 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8019 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8020 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8022 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8024 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8026 2006-03-02 Roger Sayle <roger@eyesopen.com>
8028 * simplify-rtx.c (simplify_unary_operation): When simplifying
8029 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8030 that we perform the right shift in the appropriate mode, and
8031 then extend or truncate the result to requested mode.
8033 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8035 * gengtype.c (main): Handle double_int type.
8036 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8037 * double-int.c: New file.
8038 * double-int.h: New file.
8039 * system.h: Include doubleint.h.
8040 * Makefile.in (SYSTEM_H): Include double-int.h.
8041 (double-int.o): Add.
8043 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8046 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8049 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8051 * tree-vrp.c (remove_range_assertions): Do not update statements
8054 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8056 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8058 * gcse.c (rest_of_handle_gcse): Ditto.
8059 * except.c (gate_handle_eh): Ditto.
8060 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8061 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8063 2006-03-02 Eric Christopher <echristo@apple.com>
8065 * config/i386/i386.c (machopic_output_stub): Add indirection to
8068 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8072 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8074 Sun Niagara specific optimizations.
8075 * config.gcc: Recognize niagara as target.
8076 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8077 (TARGET_CPU_niagara): Define.
8078 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8079 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8080 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8081 (ASM_CPU_SPEC): Likewise.
8082 (PROCESSOR_NIAGARA): New enum entry.
8083 (REGISTER_MOVE_COST): Handle Niagara.
8084 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8085 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8086 (sparc_override_options): Recognize "niagara", set appropriate
8087 default MASK_* values for it, and align functions to 32-bytes
8088 by default just like ULTRASPARC/ULTRASPARC3.
8089 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8090 (sparc64_initialize_trampoline): Likewise.
8091 (sparc_use_sched_lookahead): Use zero for niagara.
8092 (sparc_issue_rate): Use one for niagara.
8093 * config/sparc/niagara.md: New file.
8094 * config/sparc/sparc.md: Include it.
8095 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8096 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8097 when default cpu is niagara.
8098 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8099 (ASM_CPU_SPEC): Likewise.
8100 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8101 when default cpu is niagara.
8102 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8103 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8104 just like v9/ultrasparc/ultrasparc3.
8105 * doc/invoke.texi: Add documentation for "niagara" and improve
8106 existing documentation for ultrasparc variants.
8108 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8110 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8112 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8114 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8115 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8116 and say that only one is needed.
8117 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8118 * target.h (have_switchable_bss_sections): New hook.
8119 * explow.c (use_anchored_address): Check that the symbol is in a block.
8120 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8121 (bss_noswitch_section): New variables.
8122 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8123 (get_noswitch_section): New function.
8124 (get_block_for_section): Allow SECT to be null.
8125 (unlikely_text_section_p): Use SECTION_STYLE.
8126 (bss_initializer_p): New function.
8127 (get_variable_section): Move earlier in file. Take a new argument,
8128 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8129 Return one of the new *_sections in such cases.
8130 (get_block_for_decl): New function, extracting some logic from
8131 use_blocks_for_decl_p.
8132 (change_symbol_section): Remove in favor of...
8133 (change_symbol_block): ...this new function.
8134 (use_blocks_for_decl_p): Remove checks now performed by
8136 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8137 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8138 (emit_local, emit_bss, emit_common): ...these new functions.
8139 Return true if the alignment was honored.
8140 (emit_tls_common): New function.
8141 (asm_emit_uninitialised): Delete.
8142 (assemble_variable_noswitch): New function, split out from...
8143 (assemble_variable): ...here. Don't make decisions about common
8144 variables here. Globalize all public decls that go into non-common
8145 sections. Check whether SYMBOL_REF_BLOCK is null.
8146 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8147 (output_constant_pool): Likewise.
8148 (init_varasm_once): Initialize the new section variables.
8149 (have_global_bss_p): New function.
8150 (categorize_decl_for_section): Use bss_initializer_p.
8151 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8152 (place_block_symbol): Assert that the symbol must be in a block.
8153 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8154 (TARGET_INITIALIZER): Include it.
8155 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8156 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8157 (SECTION_MACH_DEP): Bump by two.
8158 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8159 (unnamed_section): Mention SECTION_UNNAMED in comment.
8160 (named_section): Likewise SECTION_NAMED.
8161 (noswitch_section_callback): New type.
8162 (noswitch_section): New structure.
8163 (section): Add a noswitch_section alternative.
8164 (SECTION_STYLE): New macro.
8165 (tls_comm_section, comm_section, lcomm_section): Declare.
8166 (bss_noswitch_section, have_global_bss_p): Declare.
8167 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8168 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8170 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8171 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8174 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8176 * tree-vrp.c (execute_vrp): Return value.
8177 * regrename.c (rest_of_handle_regrename): Ditto.
8178 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8179 * tree-complex.c (tree_lower_complex): Ditto.
8180 (tree_lower_complex_O0): Ditto.
8181 * tracer.c (rest_of_handle_tracer): Ditto.
8182 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8183 * postreload.c (rest_of_handle_postreload): Ditto.
8184 * tree-tailcall.c (execute_tail_recursion): Ditto.
8185 (execute_tail_calls): Ditto.
8186 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8187 * tree.h (init_function_for_compilation): Ditto.
8188 * ipa-cp.c (ipcp_driver): Ditto.
8189 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8190 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8191 * final.c (compute_alignments): Ditto.
8192 (rest_of_handle_final): Ditto.
8193 (rest_of_handle_shorten_branches): Ditto.
8194 (rest_of_clean_state): Ditto.
8195 * omp-low.c (execute_expand_omp): Ditto.
8196 (execute_lower_omp): Ditto.
8197 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8198 * ipa-reference.c (static_execute): Ditto.
8199 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8200 * reorg.c (rest_of_handle_delay_slots): Ditto.
8201 (rest_of_handle_machine_reorg): Ditto.
8202 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8203 * flow.c (recompute_reg_usage): Ditto.
8204 (rest_of_handle_remove_death_notes): Ditto.
8205 (rest_of_handle_life): Ditto.
8206 (rest_of_handle_flow2): Ditto.
8207 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8208 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8209 (do_ssa_store_ccp): Ditto.
8210 (execute_fold_all_builtins): Ditto.
8211 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8212 * modulo-sched.c (rest_of_handle_sms): Ditto.
8213 * ipa-pure-const.c (static_execute): Ditto.
8214 * cse.c (rest_of_handle_cse): Ditto.
8215 (rest_of_handle_cse2): Ditto.
8216 * web.c (rest_of_handle_web): Ditto.
8217 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8218 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8219 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8220 * tree-nrv.c (tree_nrv): Ditto.
8221 (execute_return_slot_opt): Ditto.
8222 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8223 (create_structure_vars): Ditto.
8224 * loop-init.c (rtl_loop_init): Ditto.
8225 (rtl_loop_done): Ditto.
8226 (rtl_move_loop_invariants): Ditto.
8227 (rtl_unswitch): Ditto.
8228 (rtl_unroll_and_peel_loops): Ditto.
8229 (rtl_doloop): Ditto.
8230 * gimple-low.c (lower_function_body): Ditto.
8231 (mark_used_blocks): Ditto.
8232 * tree-ssa-sink.c (execute_sink_code): Ditto.
8233 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8234 (cgraph_early_inlining): Ditto.
8235 * global.c (rest_of_handle_global_alloc): Ditto.
8236 * jump.c (cleanup_barriers): Ditto.
8237 (purge_line_number_notes): Ditto.
8238 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8239 (rest_of_handle_if_after_reload): Ditto.
8240 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8241 (tree_ssa_loop_im): Ditto.
8242 (tree_ssa_loop_unswitch): Ditto.
8243 (tree_vectorize): Ditto.
8244 (tree_linear_transform): Ditto.
8245 (tree_ssa_loop_ivcanon): Ditto.
8246 (tree_ssa_empty_loop): Ditto.
8247 (tree_ssa_loop_bounds): Ditto.
8248 (tree_complete_unroll): Ditto.
8249 (tree_ssa_loop_prefetch): Ditto.
8250 (tree_ssa_loop_ivopts): Ditto.
8251 (tree_ssa_loop_done): Ditto.
8252 * predict.c (tree_estimate_probability): Ditto.
8253 * recog.c (split_all_insns_noflow): Ditto.
8254 (rest_of_handle_peephole2): Ditto.
8255 (rest_of_handle_split_all_insns): Ditto.
8256 * tree-eh.c (lower_eh_constructs): Ditto.
8257 * regmove.c (rest_of_handle_regmove): Ditto.
8258 (rest_of_handle_stack_adjustments): Ditto.
8259 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8260 * function.c (instantiate_virtual_regs): Ditto.
8261 (init_function_for_compilation): Ditto.
8262 (rest_of_handle_check_leaf_regs): Ditto.
8263 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8264 (rest_of_handle_gcse): Ditto.
8265 * ipa-type-escape.c (type_escape_execute): Ditto.
8266 * alias.c (rest_of_handle_cfg): Ditto.
8267 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8268 * profile.c (rest_of_handle_branch_prob): Ditto.
8269 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8270 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8271 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8272 * tree-dfa.c (find_referenced_vars): Ditto.
8273 * except.c (set_nothrow_function_flags): Ditto.
8274 (convert_to_eh_region_ranges): Ditto.
8275 (rest_of_handle_eh): Ditto.
8276 * emit-rtl.c (unshare_all_rtl): Ditto.
8277 (remove_unnecessary_notes): Ditto.
8278 * except.h (set_nothrow_function_flags): Ditto.
8279 (convert_to_eh_region_ranges): Ditto.
8280 * cfgexpand.c (tree_expand_cfg): Ditto.
8281 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8282 * tree-ssa-pre.c (do_pre): Ditto.
8283 (execute_fre): Ditto.
8284 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8285 (rest_of_handle_jump2): Ditto.
8286 * tree-sra.c (tree_sra): Ditto.
8287 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8288 (execute_mudflap_function_decls): Ditto.
8289 * tree-ssa-copy.c (do_copy_prop): Ditto.
8290 (do_store_copy_prop): Ditto.
8291 * ipa-prop.h (ipcp_driver): Ditto.
8292 * cfglayout.c (insn_locators_initialize): Ditto.
8293 * tree-ssa-forwprop.c
8294 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8295 * cfglayout.h (insn_locators_initialize): Ditto.
8296 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8297 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8298 (execute_late_warn_uninitialized): Ditto.
8299 * rtl.h (cleanup_barriers): Ditto.
8300 (split_all_insns_noflow): Ditto.
8301 (purge_line_number_notes): Ditto.
8302 (unshare_all_rtl): Ditto.
8303 (remove_unnecessary_notes): Ditto.
8304 (recompute_reg_usage): Ditto.
8305 (variable_tracking_main): Ditto.
8306 * integrate.c (emit_initial_value_sets): Ditto.
8307 * integrate.h (emit_initial_value_sets): Ditto.
8308 * tree-optimize.c (execute_free_datastructures): Ditto
8309 (execute_free_cfg_annotations): Ditto.
8310 (execute_fixup_cfg): Ditto.
8311 (execute_cleanup_cfg_pre_ipa): Ditto.
8312 (execute_cleanup_cfg_post_optimizing): Ditto.
8313 (execute_init_datastructures): Ditto.
8314 * tree-object-size.c (compute_object_sizes): Ditto.
8315 * combine.c (rest_of_handle_combine): Ditto.
8316 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8317 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8318 (rest_of_handle_reorder_blocks): Ditto.
8319 (rest_of_handle_partition_blocks): Ditto.
8320 * var-tracking.c (variable_tracking_main): Ditto.
8321 * tree-profile.c (tree_profiling): Ditto.
8322 * tree-vect-generic.c (expand_vector_operations): Ditto.
8323 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8324 * sched-rgn.c (rest_of_handle_sched): Ditto.
8325 (rest_of_handle_sched2): Ditto.
8326 * basic-block.h (free_bb_insn): Ditto.
8327 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8328 * tree-cfg.c (execute_build_cfg): Ditto.
8329 (remove_useless_stmts): Ditto.
8330 (split_critical_edges): Ditto.
8331 (execute_warn_function_return): Ditto.
8332 (execute_warn_function_noreturn): Ditto.
8333 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8334 * cfgrtl.c (free_bb_for_insn): Ditto.
8335 * passes.c (execute_one_pass): Run additional
8336 todos returned by execute function.
8337 * tree-pass.h (struct tree_opt_pass): Make execute
8340 2006-03-02 Richard Guenther <rguenther@suse.de>
8342 * tree-ssa-alias.c (find_used_portions): Consider taking
8343 the address as making the variable not write-only.
8345 2006-03-02 Nick Clifton <nickc@redhat.com>
8347 * config.gcc (default_use_cxa_atexit): Extend the description of
8348 this configure variable. Set its default value to "yes" for
8349 Linux, NetBSD and ELF targets on the assumption that they will
8350 use C libraries with the __cxa_atexit function.
8352 2006-03-02 Ben Elliston <bje@au.ibm.com>
8354 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8355 parameter as unused to suppress a build warning.
8357 2006-03-02 Ben Elliston <bje@au.ibm.com>
8359 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8362 2006-03-01 Roger Sayle <roger@eyesopen.com>
8365 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8366 declared name, the weak reference name, and the typeof name.
8367 (__gthrw): Avoid expanding the declared name suffix.
8368 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8370 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8372 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8374 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8375 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8376 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8377 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8378 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8379 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8380 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8381 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8382 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8383 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8384 (DW_END_default, DW_END_big, DW_END_little): New.
8385 (DW_END_lo_user, DW_END_hi_user): Define.
8386 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8387 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8388 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8391 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8393 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8395 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8397 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8399 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8401 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8402 to 'symbol_mem_tag'.
8404 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8407 2006-03-01 Roger Sayle <roger@eyesopen.com>
8409 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8411 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8414 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8415 MACHO_DYNAMIC_NO_PIC_P.
8416 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8418 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8421 * config/darwin-protos.h (darwin_asm_output_anchor):
8423 * config/darwin-sections.def (cstring_section):
8424 Add SECTION_MERGE to the flags.
8425 (literal4_section): Likewise.
8426 (literal8_section): Likewise.
8427 (objc_selector_refs_section): Likewise.
8428 (objc_cls_refs_section): Likewise.
8429 * config/darwin.c (darwin_asm_output_anchor): New
8431 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8433 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8435 Fix PR tree-optimization/26443
8436 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8437 to todo and PROP_tmt_usage to properties_destroyed.
8438 * tree-ssa-ccp.c (pass_ccp): Ditto.
8439 (pass_store_ccp): Ditto.
8440 * tree-ssa-dom.c (pass_dominator): Ditto.
8442 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8444 * tree-ssa-operands.c: Cleanup whitespace.
8445 (get_asm_expr_operands): Move before first invocation.
8446 (get_indirect_ref_operands): Likewise.
8447 (get_tmr_operands): Likewise.
8448 (get_call_expr_operands): Likewise.
8449 (append_def): Likewise.
8450 (append_use): Likewise.
8451 (append_v_may_def): Likewise.
8452 (append_v_must_def): Likewise.
8453 (add_call_clobber_ops): Likewise.
8454 (add_call_read_ops): Likewise.
8455 (add_stmt_operand): Likewise.
8456 (add_virtual_operand): Likewise.
8457 (build_ssa_operands): Likewise.
8459 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8464 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8465 with a call expr to ...
8466 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8468 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8470 * tree-vrp.c (extract_range_from_assert): Remove special
8471 handling for types with super-types.
8473 2006-03-01 Ben Elliston <bje@au.ibm.com>
8475 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8476 and powerpc64-*-linux* configurations.
8477 * config/t-dfprules: New file.
8479 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8480 Compile dfp-bit.c from the source directory using -DWIDTH and
8481 $DFP_CFLAGS to control the compilation of that file, rather than
8482 generating width-specific versions in the build directory.
8483 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8484 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8486 2006-02-28 Zack Weinberg <zackw@panix.com>
8488 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8491 2006-02-28 Eric Christopher <echristo@apple.com>
8493 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8494 Set up IN_LIBGCC definition of TARGET_64BIT.
8495 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8497 2006-02-28 Roger Sayle <roger@eyesopen.com>
8500 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8501 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8502 cases via the construction of "expr != 0".
8504 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8506 * alias.c (alias_invariant, alias_invariant_size): Remove.
8507 (record_base_value): Remove.
8508 (memrefs_conflict_p): Don't look at alias_invariant.
8509 (end_alias_analysis): Don't free it.
8510 * alias.h (record_base_value): Remove prototype.
8512 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8513 Adam Nemet <anemet@caviumnetworks.com>
8515 * rtl.h (truncated_to_mode): Declare it.
8516 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8517 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8518 (RTL_HOOKS_INITIALIZER): Include it.
8519 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8520 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8521 reg_truncated_to_mode.
8522 * rtlanal.c (truncated_to_mode): Define it.
8523 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8525 2006-02-28 Jeff Law <law@redhat.com>
8527 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8528 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8529 the range allowed by TYPE_PRECISION.
8531 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8533 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8535 PR tree-optimization/26419
8536 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8539 2006-02-27 Zack Weinberg <zackw@panix.com>
8541 * doc/md.texi: Fix typo in previous change.
8543 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8547 2006-02-27 Zack Weinberg <zackw@panix.com>
8549 * rtl.def (define_constraint, define_register_constraint)
8550 (define_memory_constraint, define_address_constraint): New MD forms.
8551 * gensupport.c (process_rtx): Put define_constraint etc on the
8553 * genpreds.c (process_define_predicate): Adjust comment. Validate
8554 the name, and call validate_exp to validate the expression.
8555 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8556 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8557 all callers changed.
8558 (validate_exp, needs_variable, struct constraint_data)
8559 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8560 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8561 (const_dbl_constraints, constraint_max_namelen)
8562 (have_register_constraints, have_memory_constraints)
8563 (have_address_constraints, have_address_constraints)
8564 (have_extra_constraints, have_const_int_constraints)
8565 (have_const_dbl_constraints, mangle, add_constraint)
8566 (process_define_constraint, process_define_register_constraint)
8567 (write_enum_constraint_num, write_lookup_constraint)
8568 (write_insn_constraint_len, write_regclass_for_constraint)
8569 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8570 (write_insn_extra_memory_constraint)
8571 (write_insn_extra_address_constraint)
8572 (write_satisfies_constraint_fns): New.
8573 (write_tm_preds_h): If we have new-style constraint definitions,
8574 prototype the functions generated from them, and define the
8575 old constraint interface (still used by generic code) in terms of
8577 (write_insn_preds_c): If we have new-style constraint definitions,
8578 generate all relevant functions from those definitions.
8579 (main): Handle define_constraint etc.
8580 * genoutput.c (struct constraint_data, indep_constraints)
8581 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8582 (mdep_constraint_len): New data structures and functions, defined
8583 #ifdef USE_MD_CONSTRAINTS.
8584 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8585 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8586 use new logic to validate operand constraints against constraint
8588 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8590 * defaults.h: If none of the old-style constraint macros are
8591 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8592 old-style macros; and poison REG_CLASS_FROM_LETTER,
8593 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8595 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8596 * doc/md.texi: Document new constraint-definition mechanism and the
8597 C interface it provides. Remove references to old mechanism
8598 elsewhere in the document.
8599 (Machine Constraints): Use pathnames relative to gcc directory,
8600 i.e. config/ARCH/FILE. Change i386 section to refer to
8601 config/i386/predicates.md; update that section to match docstrings.
8602 * doc/tm.texi: Move all documentation of the old constraint-
8603 definition macros to their own section, clearly mark as obsolete.
8605 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8606 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8608 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8609 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8610 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8612 (splits and peepholes): Use satisfies_constraint_*.
8613 * config/i386/i386.c (memory_address_length)
8614 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8616 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8618 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8619 scalar operation to be put back into the loop.
8621 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8624 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8625 (extract_cie_info): Handle S flag in augmentation string.
8626 (execute_cfa_program): If context->signal_frame, execute also
8627 fs->pc == context->ra instructions.
8628 (uw_frame_state_for): If context->signal_frame, don't subtract one
8629 from context->ra to find FDE.
8630 (uw_update_context_1): Set context->signal_frame to
8632 (_Unwind_GetIPInfo): New function.
8633 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8634 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8636 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8637 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8638 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8639 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8640 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8641 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8642 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8643 x86_64_fallback_frame_state): Set fs->signal_frame.
8644 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8645 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8646 (frob_update_context): Likewise. Workaround missing S flag in
8647 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8648 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8649 Remove the psw_addr + 1 hack.
8651 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8653 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8654 with aggregates here.
8655 (find_func_aliases): Remove code for &<aggregate> from here.
8657 2006-02-26 Roger Sayle <roger@eyesopen.com>
8659 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8660 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8661 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8664 2006-02-26 Roger Sayle <roger@eyesopen.com>
8667 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8669 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8671 * opts.c (decode_options): Do not handle flag_strength_reduce.
8672 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8673 and OPT_fstrength_reduce.
8674 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8675 flag_prefetch_loop_arrays for being nonzero.
8676 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8678 (fprefetch-loop-arrays-rtl): Removed.
8679 (flag_prefetch_loop_arrays): Do not specify the value.
8681 * doc/passes.texi: Update documentation of loop optimizer
8683 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8684 -frerun-loop-opt): Remove.
8686 2006-02-26 Richard Guenther <rguenther@suse.de>
8688 PR tree-optimization/26421
8689 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8690 in function calls that are ADDR_EXPRs as using the whole structure.
8692 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8694 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8695 * tree-pass.h (pass_loop_optimize): Remove.
8696 * passes.c (pass_loop_optimize): Never run it.
8697 * toplev.c (backend_init): Don't call init_loop.
8698 * opts.c (flag_loop_optimize_set): Remove.
8699 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8700 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8701 the old RTL loop optimizer when profiling enabled.
8702 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8703 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8704 pre-headers for the sake of the old RTL loop optimizer.
8705 * Makefile.in: Remove all references to loop.o.
8707 * doc/invoke.texi: Remove all references to -floop-optimize
8708 and -frerun-loop-opt.
8710 2006-02-26 Zack Weinberg <zackw@panix.com>
8712 * doc/md.texi (Machine Constraints): Refer to all files with paths
8713 relative to gcc directory (i.e. config/CPU/file). Add missing
8714 @table @code ... @end table to M32C subsection.
8716 2006-02-26 Roger Sayle <roger@eyesopen.com>
8718 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8720 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8722 2006-02-26 Roger Sayle <roger@eyesopen.com>
8723 James A. Morrison <phython@gcc.gnu.org>
8726 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8727 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8728 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8729 signedness of the shift operation.
8731 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8733 PR tree-optimization/26359
8734 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8736 2006-02-25 Roger Sayle <roger@eyesopen.com>
8738 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8739 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8740 as X == 0, and some symmetry related transformations.
8741 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8743 2006-02-25 Roger Sayle <roger@eyesopen.com>
8746 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8747 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8748 symmetry related transformations. Fold (X^C1) == C2 as
8751 2006-02-25 Juergen Weigert <jw@suse.de>
8752 Richard Guenther <rguenther@suse.de>
8754 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8756 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8758 * combine.c (gen_lowpart_or_truncate): Call
8759 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8761 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8763 * doc/invoke.texi: Move -fopenmp description to "Options for
8765 Remove reference to -lgomp.
8767 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8769 * doc/install.texi: Require GNU tar version 1.14.
8771 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8773 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8774 * doc/invoke.texi (C++ Dialect Options): Document
8775 -fno-use-cxa-get-exception-ptr.
8776 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8777 * configure: Regenerate.
8778 * c.opt (fuse-cxa-get-exception-ptr): New.
8779 * c-opts.c (c_common_handle_option): Handle
8780 OPT_fuse_cxa_get_exception_ptr.
8781 * c-common.c (flag_use_cxa_atexit): Update documentation.
8782 (flag_use_cxa_get_exception_ptr): New.
8783 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8784 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8786 (C_COMMON_OVERRIDE_OPTIONS): New.
8788 2006-02-24 Roger Sayle <roger@eyesopen.com>
8791 * combine.c (try_combine): Explicitly check whether GET_CODE is
8792 a SET or a CLOBBER, instead on checking that it isn't a USE.
8794 2006-02-24 Roger Sayle <roger@eyesopen.com>
8796 * fold-const.c (fold_comparison): New subroutine of fold_binary
8797 containing transformations common to both the equality and
8798 ordering relational operators, factored out of fold_binary.
8799 (fold_binary): Separate out the equality operators (EQ_EXPR
8800 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8801 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8802 transformations common to both.
8803 (fold_div_compare): Fix latent bugs in the previously unreachable
8804 LT_EXPR and GE_EXPR cases.
8806 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8808 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8809 decl libname for clog to __clog on AIX.
8811 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8813 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8816 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8817 output traceback table for thunks. Localise rs6000_stack_info call.
8819 2006-02-23 Roger Sayle <roger@eyesopen.com>
8820 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8822 * gthr-posix.h (__gthrw): Fix typo in comment.
8824 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8826 * doc/cpp.texi (Character sets): Document that we do support
8827 input files to be in any character set.
8829 2006-02-23 Jeff Law <law@redhat.com>
8831 * tree.h (PHI_ARG_NONZERO): Remove.
8832 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8833 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8834 node to the new node.
8836 PR tree-optimization/26425
8837 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8838 min/max, then assume its varying.
8840 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8842 PR rtl-optimization/26316
8843 * rtlanal.c (enum may_trap_p_flags): New.
8844 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8845 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8846 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8847 (may_trap_after_code_motion_p): New function.
8848 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8849 (find_invariant_insn): Use may_trap_after_code_motion_p.
8850 * rtl.h (may_trap_after_code_motion_p): Declare.
8852 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8854 * emit-rtl.c (immed_double_const): Cleanup.
8856 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8858 Fix PR tree-optimization/26376
8859 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8862 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8865 * gimplify.c (omp_add_variable): Guard variable size decl test with
8866 DECL_SIZE (decl) check.
8868 2006-02-23 Richard Guenther <rguenther@suse.de>
8871 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8872 like aggregate types.
8874 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8876 * configure.ac: Add --with{,out}-long-double-128 configure option.
8877 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8878 * configure: Rebuilt.
8879 * config.in: Rebuilt.
8880 * doc/install.texi (Options specification): Document
8881 --with-long-double-128.
8883 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8884 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8885 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8886 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8888 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8890 * config/s390/s390.c (override_options): Handle
8891 TARGET_DEFAULT_LONG_DOUBLE_128.
8893 * config/alpha/alpha.c (override_options): Handle
8894 TARGET_DEFAULT_LONG_DOUBLE_128.
8896 * config/sparc/sparc.c (sparc_override_options): Handle
8897 TARGET_DEFAULT_LONG_DOUBLE_128.
8899 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8901 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8902 (real-install-headers-tar, real-install-headers-cpio)
8903 (real-install-headers-cp): New targets.
8905 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8907 * tree.h (variable_section): Delete.
8908 * varasm.c (variable_section): Delete.
8910 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8912 * install.texi: Add notes on install.texi2html.
8913 (Building in parallel): Do not use footnotes.
8915 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8918 * doc/install.texi (Configuration): Document --disable-libgomp.
8920 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8922 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8924 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8926 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8927 (vec_extractv2df_0_sse): New.
8929 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8931 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8932 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8933 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8934 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8935 to the result of the expression.
8936 (def_cfa_1): Adjust.
8937 (frame_pointer_cfa_offset): Rename to...
8938 (frame_pointer_fb_offset): ... this. Adjust all uses.
8939 (convert_cfa_to_loc_list): Rename to...
8940 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8941 Pass it on to build_cfa_loc.
8942 (compute_frame_pointer_to_cfa_displacement): Rename to...
8943 (compute_frame_pointer_to_fb_displacement): ... this. New
8944 offset parameter. Use it in computation.
8945 (gen_subprogram_die): Compute cfa_fb_offset with the new
8946 macro, and use it to compute the fb loc list and the
8949 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8951 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8952 replaced with register_operand.
8953 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8954 non-DREG is expensive.
8955 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8956 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8959 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8961 * doc/install.texi2html: Use set -e.
8963 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8965 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8966 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8967 * doc/invoke.texi (-fshared-data): Delete.
8968 * common.opt (fshared-data): Delete.
8969 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8970 (assemble_static_space): Remove #if 0 code.
8971 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8972 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8973 * config/cris/cris.h: Remove FIXME.
8975 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8977 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8980 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8983 * combine.c (simplify_shift_const_1): Disable nested shifts
8984 optimization for vector shifts.
8986 2006-02-20 Roger Sayle <roger@eyesopen.com>
8988 PR tree-optimization/26361
8989 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8990 of unsigned integer types.
8992 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8994 * tree-chrec.c (eq_evolutions_p): New.
8995 * tree-chrec.h (eq_evolutions_p): Declared.
8996 * tree-data-ref.c: Fix formatting.
8997 (datadep_stats, dependence_stats): New.
8999 (print_direction_vector): New.
9000 (dump_data_dependence_relation): Use print_direction_vector.
9001 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9002 (compute_subscript_distance): Static.
9003 (initialize_data_dependence_relation): Static. Get the number
9004 of loops surrounding the references from the callers, and initialize
9005 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9006 base_object_differ_p analyzers.
9007 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9008 compute_overlap_steps_for_affine_1_2,
9009 analyze_subscript_affine_affine): Count the classified dependences.
9010 Print a message when a test failed.
9011 (can_use_analyze_subscript_affine_affine): New.
9012 (analyze_siv_subscript): Compute the data dependences on symbolic
9013 scevs that verify can_use_analyze_subscript_affine_affine.
9014 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9015 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9016 Handle symbolic scevs.
9017 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9019 (subscript_dependence_tester): Moved...
9020 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9021 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9022 DDR_SIZE_VECT instead of getting it in parameter.
9023 (subscript_dependence_tester): ... here. Take as a parameter
9024 loop_nest_depth. Call build_classic_dist_vector and
9025 build_classic_dir_vector.
9026 (compute_affine_dependence): Update subscript_dependence_tester
9027 parameters. Update datadep_stats counters. Call
9028 compute_subscript_distance.
9029 (compute_self_dependence): Save the dist and dir vectors. Call
9030 compute_subscript_distance.
9031 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9032 (compute_all_dependences): Reorder parameters as they were before
9033 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9034 compute_subscript_distance. Update the use of
9035 compute_affine_dependence and initialize_data_dependence_relation.
9036 (find_data_references_in_loop): Handle COMPONENT_REF.
9037 (compute_data_dependences_for_loop): Initialize dependence_stats.
9038 Don't call build_classic_dist_vector and build_classic_dir_vector.
9039 Update the parameters of initialize_data_dependence_relation and
9040 compute_all_dependences. Print the statistics from datadep_stats.
9041 (analyze_all_data_dependences): Static. Not used until the pass for
9042 checking the data dependences is contributed.
9043 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9044 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9045 (initialize_data_dependence_relation, compute_affine_dependence,
9046 analyze_all_data_dependences, compute_subscript_distance): Removed.
9047 (print_direction_vector): New.
9048 * lambda.h (gcd): ... here.
9049 (lambda_vector_gcd): Moved here from gcd_vector.
9050 * lambda-code.c (gcd, gcd_vector): Removed.
9051 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9052 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9054 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9056 * ipa-type-escape.c: Tidy some comments and white space.
9057 * tree-ssa-operands.c: Likewise.
9059 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9062 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9063 (dump_decl_name): Do not walk the decl tree chains.
9064 * tree-pass.h (TDF_CHAIN): Remove.
9066 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9068 * Makefile.in (C): Remove
9070 (.PHONY): Remove C and PROTO
9072 2006-02-20 Roger Sayle <roger@eyesopen.com>
9075 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9076 deprecated CHAR_TYPE tree code.
9078 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9080 * configure.ac (target_list): Add install-info, dvi, html.
9081 * configure: Regenerate.
9083 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9084 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9085 treelang/Make-lang.in: Do not use double-colon rules.
9087 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9089 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9090 (TMT_USED_ALONE): New macro.
9091 * tree-pass.h (PROP_tmt_usage): New property.
9092 (TODO_update_tmt_usage): New todo.
9093 * tree-ssa-alias.c (updating_used_alone): New variable.
9094 (recalculate_used_alone): New function.
9095 (compute_may_aliases): Set updating_used_alone, call
9096 recalculate_used_alone.
9097 * tree-sra.c (pass_sra): Note that this pass destroys
9098 PROP_tmt_usage, and add TODO_update_tmt_usage.
9099 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9100 * tree-flow.h (updating_used_alone): Prototype.
9101 (recalculate_used_alone): Ditto.
9102 * passes.c (execute_todo): Add code to set updating_used_alone,
9103 and call recalculate.
9104 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9105 for clobber if used alone, and add assert to verify used_alone
9108 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9110 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9111 for non tls symbols added.
9112 (legitimize_address): Do nothing for PLUS expressions if one of the
9113 addends is a tls symbol reference.
9115 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9119 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9121 * Makefile.in (BOOTSTRAPPING): New.
9122 (quickstrap): New definition if BOOTSTRAPPING=yes.
9124 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9125 * configure.ac: Substitute all_selected_languages with the languages
9126 that were configured. For all the other variables except
9127 lang_specs_files, include all the languages in the tree.
9128 * configure: Regenerate.
9130 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9131 if there is one. Run the commands to run fixincludes in the same
9134 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9135 * doc/install.texi: Document exact conventions for searching target tools.
9136 Document --with-build-time-tools. Document toplevel bootstrap. Document
9137 something more about building an Ada cross-compiler. Don't list GNU Make
9138 requirements which affect all platforms.
9140 2006-02-19 Roger Sayle <roger@eyesopen.com>
9143 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9144 only equivalent if the have both the same mode and precision.
9146 2006-02-20 Ben Elliston <bje@au.ibm.com>
9148 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9150 2006-02-19 Roger Sayle <roger@eyesopen.com>
9151 Steven Bosscher <stevenb.gcc@gmail.com>
9153 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9154 constant pool references to identify stack mode constants.
9155 * rtlanal.c (constant_pool_constant_p): New predicate to check
9156 whether operand is a floating point constant in the pool.
9157 * rtl.h (constant_pool_constant_p): Prototype here.
9158 * loop.c (scan_loop): Avoid hoisting constants from the constant
9159 pool on STACK_REGS targets.
9160 (load_mems): Likewise.
9161 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9162 loads into x87 registers expensive in terms of register pressure.
9164 2006-02-19 Roger Sayle <roger@eyesopen.com>
9166 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9167 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9169 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9171 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9172 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9174 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9176 * doc/invoke.texi: Document -fipa-pta.
9177 * common.opt: Add ipa-pta option.
9178 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9179 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9180 (do_ds_constraint): Ditto.
9181 (get_constraint_for): Only add to referenced_vars if
9182 referenced_vars exists.
9183 (insert_into_field_list): Rewrite to do this unsorted.
9184 (insert_into_field_list_sorted): Rename old insert_into_field_list
9186 (create_function_info_for): Use insert_into_field_list_sorted.
9187 (create_variable_info_for): Rewrite so it uses unsorted version,
9188 since the field list is sorted.
9189 (intra_create_variable_infos): Only add to referenced_vars if
9190 referenced_vars exists.
9191 (ipa_pta_execute): Init heapvars, and delete when done.
9192 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9194 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9196 * doc/install.texi: Add missing `@samp'.
9198 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9200 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9203 2006-02-18 Mark Wielaard <mark@klomp.org>
9205 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9206 who added new 4.1 features, bug fixes and integration support.
9208 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9211 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9214 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9216 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9217 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9218 (copy_insn_1): Likewise. Don't copy each field individually.
9220 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9222 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9223 * rtl.c (rtx_size): Rename variable to...
9224 (rtx_code_size): ...this.
9225 (rtx_size): New function.
9226 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9227 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9229 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9230 * rtl.h (rtx_code_size): New variable.
9231 (rtx_size): Change from a variable to a function.
9232 (RTX_SIZE): Rename to...
9233 (RTX_CODE_SIZE): ...this.
9236 PR tree-optimization/17106
9237 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9238 (Anchored Addresses): New section.
9239 * doc/invoke.texi (-fsection-anchors): Document.
9240 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9241 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9242 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9243 * hooks.c (hook_bool_mode_rtx_false): New function.
9244 * hooks.h (hook_bool_mode_rtx_false): Declare.
9245 * gengtype.c (create_optional_field): New function.
9246 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9247 SYMBOL_REF_IN_BLOCK_P is true.
9248 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9249 (min_anchor_offset, max_anchor_offset): Likewise.
9250 (use_anchors_for_symbol_p): New hook.
9251 * toplev.c (compile_file): Call output_object_blocks.
9252 (target_supports_section_anchors_p): New function.
9253 (process_options): Check that -fsection-anchors is only used on
9254 targets that support it and when -funit-at-a-time is in effect.
9255 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9256 if the decl doesn't have one.
9257 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9258 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9259 of force_const_mem through use_anchored_address.
9260 (expand_expr_constant): New function.
9261 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9262 calling expand_expr for INDIRECT_REF.
9263 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9264 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9265 * expr.h (use_anchored_address): Declare.
9266 * loop-unroll.c: Don't declare rtx vectors here.
9267 * explow.c: Include output.h.
9268 (validize_mem): Call use_anchored_address.
9269 (use_anchored_address): New function.
9270 * common.opt (-fsection-anchors): New switch.
9271 * varasm.c (object_block_htab, anchor_labelno): New variables.
9272 (hash_section, object_block_entry_eq, object_block_entry_hash)
9273 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9274 (use_blocks_for_decl_p, change_symbol_section): New functions.
9275 (get_variable_section): New function, split out from assemble_variable.
9276 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9277 use_blocks_for_decl_p say so. Use change_symbol_section if the
9278 symbol has already been created.
9279 (assemble_variable_contents): New function, split out from...
9280 (assemble_variable): ...here. Don't output any code for
9281 block symbols; just pass them to place_block_symbol.
9282 Use get_variable_section and assemble_variable_contents.
9283 (get_constant_alignment, get_constant_section, get_constant_size): New
9284 functions, split from output_constant_def_contents.
9285 (build_constant_desc): Create a block symbol if use_object_blocks_p
9286 says so. Or into SYMBOL_REF_FLAGS.
9287 (assemble_constant_contents): New function, split from...
9288 (output_constant_def_contents): ...here. Don't output any code
9289 for block symbols; just pass them to place_section_symbol.
9290 Use get_constant_section and get_constant_alignment.
9291 (force_const_mem): Create a block symbol if use_object_blocks_p and
9292 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9293 (output_constant_pool_1): Add an explicit alignment argument.
9294 Don't switch sections here.
9295 (output_constant_pool): Adjust call to output_constant_pool_1.
9296 Switch sections here instead. Don't output anything for block symbols;
9297 just pass them to place_block_symbol.
9298 (init_varasm_once): Initialize object_block_htab.
9299 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9300 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9301 (place_block_symbol, get_section_anchor, output_object_block)
9302 (output_object_block_htab, output_object_blocks): New functions.
9303 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9304 (TARGET_ASM_OUT): Include it.
9305 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9306 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9307 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9308 (TARGET_INITIALIZER): Include them.
9309 * rtl.c (rtl_check_failed_block_symbol): New function.
9310 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9311 (block_symbol, object_block): New structures.
9312 (rtx_def): Add a block_symbol field to the union.
9313 (BLOCK_SYMBOL_CHECK): New macro.
9314 (rtl_check_failed_block_symbol): Declare.
9315 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9316 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9317 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9318 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9319 * output.h (output_section_symbols): Declare.
9320 (object_block): Name structure.
9321 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9322 (default_use_anchors_for_symbol_p): Declare.
9323 * Makefile.in (RTL_BASE_H): Add vec.h.
9324 (explow.o): Depend on output.h.
9325 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9326 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9327 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9328 (rs6000_use_blocks_for_constant_p): New function.
9330 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9332 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9334 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9337 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9340 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9342 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9346 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9349 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9350 instead of DECL_REGISTER.
9352 2006-02-18 Olivier Hainque <hainque@adacore.com>
9355 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9357 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9360 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9361 * opth-gen.awk: Handle Var and InverseMask together.
9362 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9363 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9364 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9365 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9367 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9368 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9369 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9370 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9371 LINUX_DYNAMIC_LINKER): Define.
9372 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9373 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9375 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9376 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9377 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9378 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9379 (TARGET_C99_FUNCTIONS): Don't define.
9380 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9381 GLIBC_DYNAMIC_LINKER.
9382 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9383 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9384 GLIBC_DYNAMIC_LINKER64): Define.
9385 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9386 LINUX_DYNAMIC_LINKER64.
9387 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9388 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9389 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9390 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9391 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9392 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9393 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9394 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9395 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9396 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9397 and LINUX_DYNAMIC_LINKER32.
9398 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9399 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9400 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9401 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9402 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9404 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9405 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9406 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9407 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9408 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9409 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9410 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9411 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9412 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9413 LINUX_DYNAMIC_LINKER): Define.
9414 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9415 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9416 GLIBC_DYNAMIC_LINKER64): Define.
9417 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9418 LINUX_DYNAMIC_LINKER64.
9419 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9420 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9421 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9422 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9423 LINUX_DYNAMIC_LINKER): Define.
9424 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9425 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9426 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9427 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9428 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9429 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9430 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9431 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9432 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9433 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9434 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9435 * doc/invoke.texi (-muclibc): Remove caveat about supported
9438 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9440 * doc/cpp.texi (__TIMESTAMP__): Document.
9442 2006-02-17 Roger Sayle <roger@eyesopen.com>
9445 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9446 C is one less than the width of X (and related transformations).
9447 * simplify-rtx.c (simplify_unary_operation_1): Transform
9448 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9449 depending on STORE_FLAG_VALUE, were C is one less then the
9452 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9454 Fix PR tree-optimization/26341
9455 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9456 about NAME_MEMORY_TAG's.
9458 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9461 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9462 with hardware float support, and software float support. Add fcpy
9463 alternative to hardware patterns. Add alternatives to copy between
9464 general and floating-point registers to the 32-bit pattern.
9465 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9466 secondary reload to load a QI or HI mode constant into a floating
9468 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9469 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9471 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9474 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9476 (load_macho_picbase_di): Likewise.
9478 2006-02-16 Jeff Law <law@redhat.com>
9480 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9481 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9482 (ssa_name_nonzero_p): Likewise.
9483 (get_value_range): Return NULL if VRP is not running.
9484 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9485 VRP routines do not discover a range.
9486 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9487 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9488 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9489 (tree_expr_nonnegative_p): Similarly.
9490 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9491 (restore_nonzero_vars_to_original_value): Remove.
9492 (unsafe_associative_fp_binop): Remove.
9493 (tree_ssa_dominator_optimize): Remove initialization and
9494 finalization of nonzero_vars and nonzero_vars_stack.
9495 (dom_opt_initialize_block): No longer push marker on
9497 (dom_opt_finalize_block): No longer call
9498 restore_nonzero_vars_to_original_value.
9499 (record_equivalences_from_phis): No longer look for
9500 nonzero PHI arguments.
9501 (cprop_into_successor_phis): No longer propagate nonzero
9502 property into PHI arguments. Lose unused argument. Caller
9504 (record_equivalences_from_stmt): No longer record nonzero
9505 values for SSA_NAMEs.
9506 (lookup_avail_expr): No longer use nonzero_vars.
9508 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9509 for sizetype when sizetype is unsigned.
9511 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9513 PR rtl-optimization/25603
9514 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9515 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9516 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9517 with new meaning of SETS.
9519 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9524 * config/linux.opt: New file.
9525 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9526 LINUX_DYNAMIC_LINKER): Define.
9527 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9528 * config.gcc (*-*-linux*): Define extra_options.
9529 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9530 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9531 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9532 GLIBC_DYNAMIC_LINKER.
9533 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9534 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9535 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9536 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9537 * doc/invoke.texi (GNU/Linux Options): New section.
9539 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9541 * config/sparc/sparc.md (setjmp): Rewrite.
9542 (setjmp_32): Delete.
9543 (setjmp_64): Likewise.
9545 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9547 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9550 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9552 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9555 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9557 PR rtl-optimization/26296
9558 * Makefile.in (loop-invariant.c): Add except.h dependency.
9559 * loop-invariant.c: Include except.h.
9560 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9562 2005-02-16 Paul Brook <paul@codesourcery.com>
9564 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9567 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9569 PR rtl-optimization/25636
9570 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9571 when deciding whether an insn is an initializing insn.
9573 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9575 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9576 (tree_code_size): Ditto.
9577 * tree.h (struct tree_memory_tag): Remove parent_var.
9578 (struct tree_struct_field_tag): New.
9581 (union tree_node): Add sft member.
9582 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9584 (create_sft): Add size and offset argument, set SFT_OFFSET and
9586 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9587 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9588 * tree-flow-inline.h (get_subvar_at): Update for
9589 SFT_OFFSET/SFT_SIZE.
9590 (var_can_have_subvars): Ditto.
9591 (overlap_subvar): Ditto.
9592 * print-tree.c (print_node): Print out interesting things for
9594 * tree-flow.h (struct subvar): Remove offset and size members.
9595 * tree-ssa-operands.c (get_expr_operands): Update for
9596 get_indirect_ref_operands changes.
9597 (get_indirect_ref_operands): Call add_virtual_operand instead of
9598 add_stmt_operand. Only recurse on base var if requested.
9599 (access_can_touch_variable): New function.
9600 (add_stmt_operand): Split virtual operand handling into ...
9601 (add_virtual_operand): Here. Add offset, size, and for_clobber
9602 arguments. Prune alias sets.
9603 (add_call_clobber_ops): Call add_virtual_operand.
9605 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9608 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9610 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9611 than TREE_CODE as index into omp_clause_num_ops array.
9613 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9615 PR rtl-optimization/26184
9616 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9618 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9619 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9620 must_precede, must_follow and tobe_scheduled.
9623 * opts.c (common_handle_option): Free new_option pointer.
9624 * df-core.c (df_analyze): Free postorder pointer.
9626 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9628 * Makefile.in: Fix the examples about the use of stamps
9630 2006-02-15 Michael Matz <matz@suse.de>
9634 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9635 influenced by maximum_field_alignment or DECL_PACKED.
9636 (update_alignment_for_field): Ditto.
9637 (place_field): Ditto.
9638 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9641 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9643 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9644 (debug_flow_info): Pass it.
9645 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9646 * bb-reorder.c (reorder_basic_blocks): Likewise.
9647 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9648 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9649 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9650 * gcse.c (gcse_main, bypass_jumps): Likewise.
9651 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9652 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9653 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9654 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9655 * rtl.h (dump_flow_info): Adjust prototype.
9656 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9657 * var-tracking.c (variable_tracking_main): Likewise.
9658 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9659 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9662 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9664 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9667 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9669 PR tree-optimization/26209
9670 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9671 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9673 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9675 2006-02-14 Roger Sayle <roger@eyesopen.com>
9678 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9679 (X,Y) and the corresponding symmetry related transformations.
9680 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9681 (X,Y) and its symmetry related transformations.
9683 2006-02-14 Roger Sayle <roger@eyesopen.com>
9685 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9688 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9690 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9692 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9695 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9696 support COMDAT group.
9697 * configure: Regenerate.
9699 2006-02-14 Roger Sayle <roger@eyesopen.com>
9704 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9706 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9708 Fix PR tree-optimization/26260
9710 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9712 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9713 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9714 * tree-ssa-structalias.c (create_variable_info_for): Use
9715 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9717 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9719 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9721 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9722 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9723 of the ending condition.
9724 * tree-ssa-loop-manip.c: Include params.h.
9725 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9726 tree_unroll_loop): New functions.
9727 * tree-pass.h (pass_loop_prefetch): Declare.
9728 * loop.c (rest_of_handle_loop_optimize): Test for
9729 -fprefetch-loop-arrays-rtl.
9730 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9731 * timevar.def (TV_TREE_PREFETCH): New timevar.
9732 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9733 pass_loop_prefetch): New.
9734 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9735 (cleanup_tree_cfg_loop): Call scev_reset.
9736 * common.opt (fprefetch-loop-arrays-rtl): Add.
9737 * tree-ssa-loop-prefetch.c: New file.
9738 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9739 (new_temp_expr_table): Initialize expr_vars.
9740 (free_temp_expr_table): Cleanup expr_vars.
9741 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9742 expressions from being merged into one.
9743 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9744 (struct tree_niter_desc): Add control, bound and cmp fields.
9745 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9747 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9748 (tree-cfgcleanup.o): Add SCEV_H dependency.
9749 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9750 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9752 2006-02-14 Richard Guenther <rguenther@suse.de>
9754 PR tree-optimization/26258
9755 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9756 in PHI argument processing.
9758 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9760 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9761 new expression in the requested machine mode.
9763 2006-02-13 Roger Sayle <roger@eyesopen.com>
9765 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9766 directly, instead let do_compare_rtx_and_jump handle this for us.
9767 * expr.c (expand_expr_real_1): Likewise.
9768 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9769 before do_jump_by_parts_greater.
9770 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9771 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9773 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9775 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9777 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9779 PR rtl-optimization/26235
9780 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9781 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9784 2006-02-13 Jeff Law <law@redhat.com>
9786 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9789 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9792 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9793 twice if decl is a builtin. When trying again, call get_callee_fndecl
9794 first to verify it is still a builtin.
9796 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9798 * dwarf2out.c (base_type_die): Don't add AT_name here.
9799 (subrange_type_die): Don't add AT_name here.
9800 (modified_type_die): Rearrange code flow. Do add AT_name here.
9802 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9804 PR rtl-optimization/26247
9805 PR rtl-optimization/26248
9806 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9808 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9810 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9811 * config/fixtfdi.c: Likewise.
9812 * config/fixunstfdi.c: Likewise.
9813 * config/floatditf.c: Likewise.
9815 2006-02-13 Roger Sayle <roger@eyesopen.com>
9818 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9819 into (X,C2) if C1 is a subset of the bits of C2. Transform
9820 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9822 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9824 2006-02-13 Josh Conner <jconner@apple.com>
9827 * varasm.c (function_section): Check for section name before
9828 calling select_section on targets that define
9829 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9830 unlikely_text_section instead of hot_function_section if
9831 first_function_block_is_cold.
9833 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9836 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9838 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9840 PR rtl-optimization/26222
9841 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9842 after tree->rtl expansion.
9843 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9844 before passing it to emit_move_insn.
9846 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9848 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9850 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9851 Clarify documentation.
9852 * c-common.h (warn_write_strings): Remove.
9853 * c-common.c (warn_write_strings): Likewise.
9854 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9857 2006-02-12 Roger Sayle <roger@eyesopen.com>
9860 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9861 (do_jump_parts_zero_rtx): New function renamed from
9862 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9863 (do_jump_parts_equality_rtx): New function split out from
9864 do_jump_parts_equality. Old implementation renamed as above.
9865 Call do_jump_parts_zero_rtx if either operand is zero.
9866 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9867 do all of the heavy lifting.
9868 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9869 calling either do_jump_by_parts_greater_rtx or
9870 do_jump_by_parts_equality_rtx.
9871 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9872 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9873 moved to do_compare_rtx_and_jump, call it directly.
9874 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9875 mode argument. Call do_compare_rtx_and_jump.
9876 (emit_case_nodes): Update calls to do_jump_if_equal.
9878 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9880 PR rtl-optimization/26225
9881 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9883 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9885 PR rtl-optimization/26232
9886 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9888 2006-02-11 Jason Merrill <jason@redhat.com>
9891 * tree-inline.c (declare_return_variable): Just don't use the
9892 modify target if it's a gimple complex reg and the return slot
9895 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9897 * doc/contrib.texi: Update my entry.
9899 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9901 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9903 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9905 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9908 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9910 * doc/invoke.texi (-floop-optimize2): Removed.
9911 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9912 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9913 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9914 * common.opt (floop-optimize2): Removed.
9915 (fmove-loop-invariants): Enabled by default.
9917 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9919 * tree-if-conv.c (combine_blocks): Free the result of
9920 get_loop_exit_edges.
9922 2006-02-10 Jeff Law <law@redhat.com>
9924 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9926 PR tree-optimization/26213
9927 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9928 loop trying to follow SSA_NAME_VALUE chains.
9930 2006-02-10 Richard Guenther <rguenther@suse.de>
9932 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9933 deal with structures that end in implicitly variable sized arrays.
9935 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9937 PR rtl-optimization/24762
9938 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9941 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9943 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9944 (struct ivopts_data): Add regs_used field.
9945 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9946 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9947 instead of loop_data->regs_used;
9948 (free_loop_data): Do not free aux fields for loops.
9949 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9950 and tree_ssa_iv_optimize_finalize.
9952 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9954 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9956 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9959 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9960 computing the effective result type.
9962 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9965 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9966 (tree_overlaps_hard_reg_set): Declare.
9967 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9968 type and signature to match function type expected by walk_tree.
9969 (tree_overlaps_hard_reg_set): New function.
9970 (decl_conflicts_with_clobbers_p): Rename to:
9971 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9972 Use tree_overlaps_hard_reg_set. Changed caller.
9973 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9974 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9975 * cris.c (cris_md_asm_clobbers): Likewise.
9977 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9979 * reload1.c (emit_input_reload_insns): Delete code that tries to
9980 inherit using find_equiv_reg.
9982 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9984 * c-common.h (flag_const_strings): Don't declare.
9985 * c-common.c (flag_const_strings): Remove.
9986 * c.opt (fconst_strings): Remove.
9987 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9988 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9989 (c_common_init_options): Don't set flag_const_strings.
9990 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9992 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9994 * arm.md (tlobits_cbranch): New pattern.
9995 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9996 testing a single bit.
9998 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10001 * tree-ssa-pre.c (create_component_ref_by_pieces):
10002 Handle RETURN_DECL like VAR_DECL.
10004 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10006 PR middle-end/26134
10007 * fold-const.c (fold_indirect_ref_1): Fold
10008 "*(foo *)&complexfoo" to "__real__ complexfoo"
10009 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10011 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10013 * tree-flow-inline.h (var_can_have_subvars):
10014 Volatile variables should not have subvariables.
10016 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10019 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10020 multiplying unsigned values.
10023 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10025 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10027 2006-02-08 Jason Merrill <jason@redhat.com>
10030 * tree.def: Elaborate on difference from MODIFY_EXPR.
10031 * doc/c-tree.texi (INIT_EXPR): Likewise.
10032 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10033 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10034 (gimplify_target_expr): Likewise.
10035 (gimplify_cond_expr): Remove target handling.
10036 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10037 (gimplify_expr): Clobber it here.
10038 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10039 Do return slot optimization if we have an INIT_EXPR.
10042 * tree-inline.c (declare_return_variable): Also clear
10043 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10046 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10048 PR middle-end/22439
10049 * gimplify.c (gimplify_one_sizepos): Fix typo.
10051 2006-02-08 Jeff Law <law@redhat.com>
10053 PR tree-optimization/21417
10054 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10055 across a backedge if the control statement at the end of the
10056 block is data dependent on other statements in the same block.
10057 (record_temporary_equivalences_from_stmts): Remove over-conservative
10058 test for threading across backedges.
10060 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10061 control statement, handle all three special cases in the same
10062 manner as they all have the same desired solution. No longer
10063 special case edge flag updating when the post dominator is
10066 2006-02-08 Roger Sayle <roger@eyesopen.com>
10068 * tree.def (CHAR_TYPE): Remove.
10069 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10070 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10071 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10072 (gen_string_type_die): Delete unreachable function.
10074 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10075 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10076 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10077 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10078 * builtins.c (type_to_class): Likewise.
10079 * fold-const.c (fold_convert, build_range_check,
10080 merge_ranges): Likewise.
10081 * expr.c (count_type_elements): Likewise.
10082 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10083 * stor-layout.c (layout_type): Likewise.
10084 * ipa-type-escape.c (type_to_consider): Likewise.
10085 * gimplify.c (omp_firstprivatize_type_sizes,
10086 gimplify_type_sizes): Likewise.
10087 * explow.c (promote_mode): Likewise.
10088 * tree-sra.c (is_sra_scalar_type): Likewise.
10089 * varasm.c (output_constant): Likewise.
10090 * tree-inline.c (remap_type_1): Likewise.
10091 * convert.c (convert_to_pointer, convert_to_real,
10092 convert_to_integer, convert_to_complex): Likewise.
10094 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10096 * df-scan.c (df_def_record_1): A set destination may
10097 be a parallel regardless of mode.
10099 2006-02-08 Roger Sayle <roger@eyesopen.com>
10102 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10103 * config/mips/_tilib.c: Remove.
10104 * config/fixtfdi.c: New libgcc source file.
10105 * config/fixunstfdi.c: New source file.
10106 * config/floatditf.c: New source file.
10107 * config/floatunditf.c: New souce file.
10108 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10109 files above instead of config/mips/_tilib.c.
10110 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10112 2006-02-08 Jeff Law <law@redhat.com>
10114 PR tree-optimization/26169
10115 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10118 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10120 * df.h (DF_REG_SIZE): Return the length of the initialized
10123 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10125 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10126 __muldf3): Return a correctly signed zero.
10128 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10130 * passes.c (register_one_dump_file): Accept the current properties
10131 instead of pass number. Adjust call to dump_register. Remove
10133 (register_dump_files): Now a wrapper around...
10134 (register_dump_files_1): ... this one. Do not modify the pass
10136 (next_pass_1): Cosmetic fix.
10137 (execute_todo): Keep second parameter only. Use curr_properties
10138 instead of fetching it from the pass structure. Check and set
10140 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10141 instead of fetching it from the pass structure. Fix calls to
10142 execute_todo. Update curr_properties and initialize .vcg RTL dump
10143 after running the pass. Reset last_verified.
10144 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10146 (FIRST_AUTO_NUMBERED_DUMP): New.
10147 (dump_register): Remove "num" parameter, assign it within the
10149 (get_dump_file_name): Modify template for dumps.
10150 * tree-dump.h (dump_register): Adjust prototype.
10151 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10152 (PROP_trees): Add PROP_gimple_lomp.
10153 (TODO_set_props): New.
10154 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10155 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10156 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10158 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10160 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10161 (sparc64-*-linux*): Likewise.
10162 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10163 * config/sparc/t-linux: New file.
10164 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10165 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10166 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10167 -m32 -mlong-double-128.
10169 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10170 * config/alpha/t-linux: New file.
10171 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10173 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10174 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10175 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10176 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10177 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10178 (CPP_ARCH32_SPEC): Remove.
10180 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10182 PR tree-optimization/26145
10183 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10186 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10189 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10190 >= 240000 when generating code for SOM runtime.
10191 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10192 to $$dyncall when generating code for SOM runtime..
10194 2006-02-07 Dirk Mueller <dmueller@suse.com>
10197 * doc/invoke.texi (-Wsequence-point): Update documentation
10198 that -Wsequence-point is implemented for C++ as well.
10200 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10202 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10203 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10204 (LIB_SPEC): Likewise.
10205 * doc/invoke.texi (SPARC options): Document -pthread.
10207 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10209 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10212 2006-02-07 Roger Sayle <roger@eyesopen.com>
10214 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10215 Correct comment describing BOOLEAN_TYPE.
10217 2006-02-07 Dirk Mueller <dmueller@suse.com>
10219 * c.opt: C++ frontend supports -Wdiv-by-zero.
10220 * c-opts.c (c_common_handle_option): Remove dead case.
10222 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10224 * configure.ac (TLS assembler check): Do not enable TLS by
10225 default on SPARC/Solaris before version 10.
10226 * configure: Regenerate.
10228 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10230 * doc/invoke.texi (xl-compat): Document conversion and support
10233 2006-02-07 Jeff Law <law@redhat.com>
10235 * tree-vrp.c (find_conditional_asserts): Update comments.
10236 (simplify_stmt_for_jump_threading): New.
10237 (identify_jump_threads, finalize_jump_threads): New.
10238 (vrp_finalize): Call identify_jump_threads.
10239 (execute_vrp): Call finalize_jump_threads.
10240 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10241 (vrp_element, vrp_data, vrp_element_p): Remove.
10242 (vrp_hash_elt, vrp_variables_stack): Remove.
10243 (vrp_hash, vrp_eq, record_range): Remove.
10244 (simplify_cond_and_lookup_avail_expr): Remove.
10245 (extract_range_from_cond): Remove.
10246 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10247 (simplify_stmt_for_jump_threading): New.
10248 (dom_thread_across_edge): New wrapper.
10249 (tree_ssa_dominator_optimize): No longer initialize or
10250 finalize any of the VRP datastructures. Remove iteration
10251 step and simplify as a result of removal of iteration step.
10252 (pass_dominator): Perform a cfg cleanup after DOM.
10253 (dom_opt_finalize_block): Use the new common routines
10254 for threading jumps. Simplify stack management slightly.
10255 No longer need to unwind VRP state.
10256 (record_equivalences_from_incoming_edge): No longer record
10258 (eliminate_redundant_computations): No longer call
10259 simplify_cond_and_lookup_avail_expr.
10260 * tree-flow.h (potentially_threadable_block): Prototype.
10261 (thread_across_edge): Likewise.
10262 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10263 (tree-ssa-threadedge.o): Add dependencies.
10264 * tree-ssa-threadedge.c: New file.
10265 * passes.c (init_optimization_passes): Merge PHIs before
10266 calling VRP. Run VRP again late in the SSA optimization pipeline.
10268 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10270 * df-core.c (df_set_blocks): Do not dereference function pointers.
10271 (df_finish1): Likewise.
10272 (df_hybrid_search_forward): Likewise.
10273 (df_hybrid_search_backward): Likewise.
10274 (df_iterative_dataflow): Likewise.
10275 (df_analyze_problem): Likewise.
10276 (df_compact_blocks): Likewise.
10277 (df_dump): Likewise.
10278 * df-scan.c (df_rescan_blocks): Likewise.
10279 (df_record_entry_block_defs): Likewise.
10281 * genconditions.c (write_conditions): Guard the definition of
10282 'insn_conditions' with the check on GCC version.
10283 (write_writer): Guard the traversal 'insn_conditions' with
10284 the check on GCC version.
10286 2006-02-07 Richard Guenther <rguenther@suse.de>
10290 2006-01-30 Richard Guenther <rguenther@suse.de>
10292 * gimplify.c (gimplify_target_expr): Handle easy cases
10293 without creating a temporary.
10295 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10297 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10298 use of float in probability computations. Use edge probabilities
10299 in place of statically computed probabilities.
10300 (min_spec_prob): New static variable.
10301 (schedule_insns): Initialize it.
10302 (GET_SRC_PROB): Removed.
10303 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10305 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10308 * config/ia64/unwind-ia64.c: Revert last change.
10309 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10310 (INCOMING_FRAME_SP_OFFSET): Define.
10312 2006-02-06 Roger Sayle <roger@eyesopen.com>
10314 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10316 2006-02-07 Ben Elliston <bje@au.ibm.com>
10318 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10319 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10320 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10321 (ix86_return_in_memory): Handle TDmode.
10322 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10323 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10325 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10327 * reorg.c (dbr_schedule): Use dump_file instead of file.
10329 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10332 * config/ia64/predicates.md (extr_len_operand): New predicate.
10333 * config/ia64/ia64.md (extv): Tighten constraints.
10335 (*tbit_and_2): Ditto.
10336 (*tbit_and_3): Ditto.
10337 (*tbit_or_2): Ditto.
10338 (*tbit_or_3): Ditto.
10339 (*bit_zero): Ditto.
10342 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10345 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10347 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10349 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10350 loop_optimizer_init and loop_optimizer_finalize
10351 * tree-ssa-sink.c (execute_sink_code): Ditto.
10352 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10353 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10354 tree_ssa_loop_done): Ditto.
10355 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10356 * sched-ebb.c: Include output.h.
10357 (schedule_ebbs): Do not use dump argument.
10358 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10359 * loop.c (loop_dump_stream): Removed.
10360 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10362 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10363 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10364 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10365 loop_iterations, strength_reduce, record_biv, record_giv,
10366 final_giv_value, check_final_value, check_ext_dependent_givs,
10367 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10368 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10369 dump_file instead of loop_dump_stream.
10370 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10371 argument dump_file.
10372 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10374 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10375 * haifa-sched.c: Include output.h
10376 (schedule_insns, sched_init): Do not use dump argument.
10377 * mode-switching.c (optimize_mode_switching): Ditto.
10378 * modulo-sched.c (stats_file): Removed.
10379 (print_node_sched_params): Do not call argument dump_file.
10380 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10381 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10383 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10385 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10386 rtl_loop_init, rtl_loop_done): Ditto.
10387 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10388 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10390 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10391 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10392 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10393 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10394 * emit-rtl.c (renumber_insns): Ditto.
10395 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10396 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10397 * regclass.c (regclass): Ditto.
10398 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10399 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10400 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10401 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10403 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10404 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10406 * gcse.c (gcse_file, debug_stderr): Removed.
10407 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10408 rest_of_handle_gcse): Do not use dump argument.
10409 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10410 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10411 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10412 compute_code_hoist_vbeinout, compute_code_hoist_data,
10413 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10414 compute_store_table, build_store_vectors, insert_insn_start_bb,
10415 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10416 store_motion): Use dump_file instead of gcse_file.
10417 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10418 * profile.c (profile_dump_file): Removed.
10419 (branch_prob): Use dump_file instead of profile_dump_file.
10420 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10422 * tree-ssa-copy.c (dump_copy_of): Ditto.
10423 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10424 dump file to life_analysis.
10425 * bt-load.c (branch_target_load_optimize): Ditto.
10426 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10428 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10429 regclass, dbr_schedule): Declaration changed.
10430 * sched-int.h (sched_init): Declaration changed.
10431 * tree-profile.c (tree_profile_dump_file): Removed.
10432 (tree_profile_hooks): Removed profile_dump_file hook.
10433 * rtl-profile (rtl_profile_dump_file): Removed.
10434 (rtl_profile_hooks): emoved profile_dump_file hook.
10435 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10437 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10438 * tree-cfg.c (build_tree_cfg): Ditto.
10439 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10440 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10441 Declaration changed.
10442 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10443 life_analysis and schedule_insns.
10444 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10446 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10448 * config/mips/mips.c (mips_reorg): Ditto.
10449 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10452 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10454 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10455 (s390_mangle_fundamental_type): New.
10456 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10459 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10460 (alpha_mangle_fundamental_type): New.
10461 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10464 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10466 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10468 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10469 (sparc_mangle_fundamental_type): New.
10471 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10473 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10474 (s390x-*-linux*): Likewise.
10475 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10476 * config/s390/t-linux: New file.
10478 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10480 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10481 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10483 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10485 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10486 (ANTIC_SAFE_LOADS): New macro.
10487 (find_or_generate_expression): Add prototype.
10488 (set_contains_value): Allow null set for sake of not always having
10489 to allocate ANTIC_SAFE_LOADS.
10490 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10491 Allow COMPONENT_REF too.
10492 (valid_in_set): Allow COMPONENT_REF.
10493 Check ANTIC_SAFE_LOADS too.
10494 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10495 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10497 (can_PRE_operation): Add COMPONENT_REF.
10498 (create_component_ref_by_pieces): New function.
10499 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10500 (insert_aux): Move AGGREGATE_TYPE_P check here.
10501 (compute_avail): Set bb local stmt uids.
10502 (pass_pre): Use TODO_update_ssa_only_virtuals.
10504 2006-02-06 Ben Elliston <bje@au.ibm.com>
10506 * configure.ac: Unconditionally disable decimal float by default.
10507 * configure: Regenerate.
10509 2006-02-06 Ben Elliston <bje@au.ibm.com>
10511 * read-rtl.c (read_name): Terminate reading on EOF.
10513 2006-02-06 Ben Elliston <bje@au.ibm.com>
10515 * dfp.c (decimal_real_arithmetic): Change second argument type
10516 from int to enum tree_code. Do not always return true, but now
10517 return result of any call to decimal_do helper functions.
10518 * dfp.h (decimal_real_arithmetic): Update prototype.
10520 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10522 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10524 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10527 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10530 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10532 * tree-vrp.c (cfg_loops): Removed.
10533 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10534 Use current_loops instead of cfg_loops. Pass flags to
10535 loop_optimizer_init.
10536 * cfgloopmanip.c (fix_loop_structure): Update only available
10538 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10539 loop_optimizer_init.
10540 * modulo-sched.c (build_loops_structure): Removed.
10541 (sms_schedule): Use loop_optimizer_init.
10542 * loop-init.c (loop_optimizer_init): Use flags to determine
10543 which properties of loops to prepare.
10544 (rtl_loop_init): Pass flags to loop_optimizer_init.
10545 * tree-ssa-sink.c (execute_sink_code): Ditto.
10546 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10547 * tree-ssa-pre.c (init_pre): Ditto.
10548 * cfgloop.h (LOOPS_NORMAL): New.
10549 (loop_optimizer_init): Declaration changed.
10551 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10553 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10554 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10556 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10558 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10560 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10561 * pa/t-pa64: Delete quadlib.c rule.
10562 * pa/x-ada: Revert last change.
10563 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10565 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10567 PR rtl-optimization/26087
10568 * rtlanal.c (canonicalize_condition): Do not cross basic block
10571 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10574 * config/ia64/ia64.c: Include debug.h.
10575 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10576 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10577 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10578 (process_epilogue, process_set, process_for_unwind_directive):
10579 Output unwind info only if requested. Add CFA info if requested.
10580 Add new arguments as needed. Adjust callers.
10581 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10583 (DWARF2_FRAME_INFO): Define to zero.
10584 * config/ia64/unwind-ia64.c: Remove code that compensated for
10585 the CFA offset error fixed above.
10586 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10587 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10588 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10589 -funwind-tables and -fexceptions to enable frame info.
10590 (dwarf2out_frame_init): Define initial CFA even if
10591 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10592 DWARF2_UNWIND_INFO is nonzero, not just defined.
10593 (dwarf2out_frame_finish): Output non-EH call frame info only
10594 if DWARF2_FRAME_INFO is nonzero.
10595 (convert_cfa_to_loc_list,
10596 compute_frame_pointer_to_cfa_displacement): Define even if
10597 unwind info is not supported.
10598 (gen_subprogram_die): Use the above unconditionally. Remove
10599 legacy alternate code.
10600 * toplev.c (compile_file): Compile in call to
10601 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10602 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10604 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10605 Jakub Jelinek <jakub@redhat.com>
10607 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10608 IBM extended float format long double as "g" on powerpc*-linux.
10610 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10613 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10614 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10616 2006-02-03 Jason Merrill <jason@redhat.com>
10619 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10621 PR middle-end/25977
10622 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10623 on the return slot if it's an NRV.
10625 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10627 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10628 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10629 rewrite_use): Do not handle USE_OUTER.
10630 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10631 add_iv_outer_candidates, may_replace_final_value,
10632 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10633 (find_interesting_uses_op): Functionality of
10634 find_interesting_uses_outer_or_nonlin moved here.
10635 (find_interesting_uses_outside): Use find_interesting_uses_op.
10637 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10640 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10642 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10643 Ulrich Weigand <uweigand@de.ibm.com>
10646 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10647 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10648 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10649 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10651 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10652 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10653 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10654 Define secondary reloads for TFmode moves.
10655 (constant_modes): Add TFmode.
10656 (NR_C_MODES): Set to 8.
10657 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10659 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10660 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10661 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10662 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10663 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10664 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10665 (FPR mode macro): Add TFmode.
10666 (DSF mode macro): New.
10667 (<de>, <dee> mode attributes): Removed.
10668 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10669 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10670 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10671 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10672 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10673 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10674 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10675 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10676 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10677 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10678 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10679 "*negabs<mode>2", "sqrt<mode>2"):
10680 Changed <de> to <xde>. R constraint replaced by <Rf>.
10681 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10683 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10684 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10685 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10687 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10688 "extenddftf2", "extendsftf2"): New expanders.
10689 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10690 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10691 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10692 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10694 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10695 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10696 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10697 __floatditf): Add a GCC_4.1.0 symbol version tag.
10698 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10701 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10704 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10705 Use targetm.binds_local_p instead of TREE_PUBLIC.
10707 2006-02-02 Roger Sayle <roger@eyesopen.com>
10709 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10710 on INTEGER_TYPEs to indicate that it denotes a character type.
10711 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10712 signed_char_type_node, unsigned_char_type_node and char_type_node.
10713 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10714 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10715 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10717 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10718 Daniel Berlin <dberlin@dberlin.org>
10720 * tree-tailcall.c (arg_needs_copy_p): New function.
10721 (eliminate_tail_call): Use arg_needs_copy_p.
10722 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10723 (add_virtual_phis): New function.
10725 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10727 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10728 #ignore instead of #scratch for %g7 .register directive.
10730 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10732 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10735 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10737 * flow.c (calculate_global_regs_live): Assert that there aren't any
10740 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10742 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10743 what its name says.
10744 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10745 bsi_after_labels iterator.
10746 * tree-if-conv.c (find_phi_replacement_condition,
10747 replace_phi_with_cond_modify_expr): Likewise.
10748 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10749 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10751 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10753 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10755 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10758 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10759 array after growing it.
10761 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10763 PR middle-end/24901
10764 * fold-const.c (fold_checksum_tree): Change type of buf.
10766 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10768 * reload.c (push_secondary_reload): Initialize t_icode.
10770 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10772 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10773 -msoft-float -mlong-double-128 only issue a warning, but don't
10774 swich to DFmode long double.
10776 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10778 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10779 has a constant equivalent, iterate over equivalents for arg0,
10780 calling simplify_relational_operation and if there's a result
10781 cheaper than X, apply fold_rtx and return the result.
10783 2006-02-01 Jan Hubicka <jh@suse.cz>
10785 * opts.c (no_unit_at_a_time_default): New global variable.
10786 (decode_options): Use it.
10787 * opts.h (no_unit_at_a_time_default): Declare.
10789 2006-02-01 Paul Brook <paul@codesourcery.com>
10791 * function.c (assign_parm_setup_reg): Use function argument promotion
10793 * expr.c (expand_expr_real_1): Use function argument promotion rules
10796 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10798 * gcc.c (process_command): Change j to 'unsigned int'.
10800 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10802 PR middle-end/26001
10803 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10804 Use the corrected index for the character
10805 out of the string constant.
10807 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10809 * mode-switching.c (optimize_mode_switching): Fix size
10810 allocated for bb_info[n_entities].
10812 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10814 * gcc.c (main): Correct type that is allocated for
10815 explicit_link_files.
10817 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10819 * config/s390/s390.c (init_alignment_context): Set
10820 ALIAS_SET_MEMORY_BARRIER on the MEM.
10821 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10823 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10825 PR middle-end/25933
10826 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10828 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10831 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10833 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10834 * regrename.c: Ditto.
10835 * tree-ssa-loop-im.c: Ditto.
10836 * tree-dump.c: Ditto.
10837 * tree-complex.c: Ditto.
10838 * genrecog.c: Ditto.
10839 * tree-ssa-threadupdate.c: Ditto.
10841 * java/class.c: Ditto.
10842 * java/jcf-parse.c: Ditto.
10843 * java/resource.c: Ditto.
10844 * java/except.c: Ditto.
10845 * java/jvspec.c: Ditto.
10846 * java/jcf-write.c: Ditto.
10847 * java/jcf-path.c: Ditto.
10848 * java/gjavah.c: Ditto.
10849 * java/zextract.c: Ditto.
10850 * java/jcf-io.c: Ditto.
10851 * java/jcf.h: Ditto.
10852 * java/buffer.c: Ditto.
10853 * java/lang.c: Ditto.
10854 * java/parse-scan.y: Ditto.
10855 * java/lex.c: Ditto.
10856 * java/lex.h: Ditto.
10857 * cfgloopmanip.c: Ditto.
10858 * postreload-gcse.c: Ditto.
10859 * tree-ssa-loop-manip.c: Ditto.
10860 * postreload.c: Ditto.
10861 * tree-ssa-loop-ch.c: Ditto.
10864 * cppspec.c: Ditto.
10865 * diagnostic.c: Ditto.
10867 * genoutput.c: Ditto.
10869 * cfghooks.c: Ditto.
10870 * cfgloopanal.c: Ditto.
10871 * objc/objc-act.c: Ditto.
10873 * genextract.c: Ditto.
10874 * genautomata.c: Ditto.
10875 * pretty-print.c: Ditto.
10876 * genemit.c: Ditto.
10877 * cgraphunit.c: Ditto.
10879 * df-scan.c: Ditto.
10880 * haifa-sched.c: Ditto.
10881 * dominance.c: Ditto.
10883 * tree-ssa-loop-ivopts.c: Ditto.
10884 * df-core.c: Ditto.
10885 * mode-switching.c: Ditto.
10886 * modulo-sched.c: Ditto.
10888 * ipa-pure-const.c: Ditto.
10890 * fix-header.c: Ditto.
10892 * tree-stdarg.c: Ditto.
10893 * ipa-utils.c: Ditto.
10894 * loop-init.c: Ditto.
10895 * ipa-inline.c: Ditto.
10896 * cfganal.c: Ditto.
10898 * alloc-pool.c: Ditto.
10899 * dwarf2out.c: Ditto.
10901 * genattrtab.c: Ditto.
10902 * tree-ssa-loop-ivcanon.c: Ditto.
10903 * predict.c: Ditto.
10904 * timevar.c: Ditto.
10906 * fortran/gfortranspec.c: Ditto.
10907 * regmove.c: Ditto.
10908 * local-alloc.c: Ditto.
10909 * langhooks.c: Ditto.
10910 * function.c: Ditto.
10911 * tree-vectorizer.c: Ditto.
10913 * ipa-type-escape.c: Ditto.
10915 * tree-if-conv.c: Ditto.
10916 * profile.c: Ditto.
10918 * tree-data-ref.c: Ditto.
10919 * loop-unroll.c: Ditto.
10920 * treelang/treetree.c: Ditto.
10922 * bt-load.c: Ditto.
10923 * ggc-common.c: Ditto.
10925 * coverage.c: Ditto.
10927 * tree-cfgcleanup.c: Ditto.
10928 * tree-ssa-pre.c: Ditto.
10929 * cfgcleanup.c: Ditto.
10930 * loop-invariant.c: Ditto.
10931 * loop-iv.c: Ditto.
10932 * ipa-prop.c: Ditto.
10933 * print-tree.c: Ditto.
10934 * conflict.c: Ditto.
10935 * ggc-page.c: Ditto.
10936 * sched-deps.c: Ditto.
10937 * regclass.c: Ditto.
10938 * tree-object-size.c: Ditto.
10939 * combine.c: Ditto.
10940 * bb-reorder.c: Ditto.
10941 * resource.c: Ditto.
10942 * var-tracking.c: Ditto.
10943 * cfgloop.c: Ditto.
10944 * df-problems.c: Ditto.
10945 * reg-stack.c: Ditto.
10947 * gccspec.c: Ditto.
10948 * sched-rgn.c: Ditto.
10949 * tree-ssa-structalias.c: Ditto.
10950 * tree-ssa-reassoc.c: Ditto.
10951 * config/darwin-c.c: Ditto.
10952 * config/darwin.c: Ditto.
10953 * config/arm/arm.c: Ditto.
10955 * collect2.c: Ditto.
10956 * reload1.c: Ditto.
10958 2006-01-31 Nicolas Pitre <nico@cam.org>
10960 * arm.md (smaxsi3): Make aware of smax_m1.
10963 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10965 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10967 2006-01-31 Richard Guenther <rguenther@suse.de>
10969 * doc/invoke.texi (-msselibm): Document.
10970 * target.h (expand_library_builtin): New target hook.
10971 * builtins.c (expand_builtin): Use expand_library_builtin.
10972 (default_expand_library_builtin): New function.
10973 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10974 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10975 (link_gcc_math_spec): Declare.
10976 (static_specs): Add link_gcc_math_spec.
10977 * expr.h (default_expand_library_builtin): Declare.
10978 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10979 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10980 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10981 * config/i386/i386.opt (msselibm): New target option.
10982 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10983 (ix86_init_sse_abi_builtins): New function.
10984 (ix86_expand_library_builtin): Likewise.
10985 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10986 (override_options): Handle error conditions wrt -msselibm.
10987 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10988 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10989 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10992 2006-01-31 Richard Guenther <rguenther@suse.de>
10993 Paolo Bonzini <bonzini@gnu.org>
10995 * doc/install.texi (--disable-libgcc-math): Document.
10997 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10999 * expr.h (expand_normal): new inline function.
11000 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11001 * dojump.c: use it.
11002 * dwarf2out.c: use it.
11005 * expmed.c: use it.
11006 * except.c: use it.
11007 * config/sparc/sparc.c: use it.
11008 * config/i386/i386.c: use it.
11009 * config/rs6000/rs6000.c: use it.
11010 * config/arm/arm.c: use it.
11011 * config/mips/mips.c: use it.
11012 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11014 2006-01-30 Roger Sayle <roger@eyesopen.com>
11016 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11017 argv to the appropriate type.
11019 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11021 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11024 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11027 * config/s390/s390.c (struct machine_function): New flag
11028 decomposed_literal_pool_addresses_ok_p.
11029 (s390_reorg): Set it before final stage of literal pool transforms.
11030 (s390_decompose_address): Only accept displacements of the form
11031 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11033 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11035 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11036 the comparison routine return.
11038 2006-01-30 Michael Matz <matz@suse.de>
11040 * global.c (find_reg): Only evict for global regs.
11041 Take n_refs into account and dump more info.
11043 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11046 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11047 (pragma_trap, pragma_nosave_low_regs): Likewise.
11048 (current_function_anonymous_args): Likewise.
11049 (sh_deferred_function_attributes): New variable.
11050 (sh_deferred_function_attributes_tail): Likewise.
11051 (print_operand): For '@', look up trap_exit attribute.
11052 (calc_live_regs): Look up trapa_handler attribute. For trapa
11053 handlers, save/restore fpscr, but don't do any other
11054 interrupt-specific saves.
11055 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11056 Fix check for partially saved registers to check for SHmedia.
11057 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11058 (sh_output_function_epilogue): Don't clear any of the removed
11060 (sh_insert_attributes): Don't check pragma_interrupt.
11061 Insert deferred attributes. Check that interrupt attribute is
11062 present for other attributes that require its presence.
11063 (sh_attribute_table): Add new attributes trapa_handler and
11065 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11066 Don't check for pragma_interrupt. Don't store argument.
11067 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11068 (sh_deferred_function_attributes): Declare.
11069 (sh_deferred_function_attributes_tail): Likewise.
11070 * sh.md (sp_switch_1): Add operand. Change generator caller.
11071 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11072 (*return_i): Don't use when trap_exit attribute is in effect.
11073 (*return_trapa): New insn pattern.
11074 * sh-c.c: New file.
11075 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11076 setting c_target_objs and cxx_target_objs.
11077 * t-sh: Add rule for sh-c.o.
11079 2006-01-30 Richard Guenther <rguenther@suse.de>
11082 * gimplify.c (gimplify_target_expr): Handle easy cases
11083 without creating a temporary.
11085 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11087 * vec.h (safe_grow): Remove duplicated line.
11089 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11092 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11093 (expand_omp): ... here.
11094 (expand_omp_parallel): Only remove barriers for combined
11095 parallel+workshare constructs.
11097 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11101 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11102 * tree.c (build_qualified_type): Chain the new type to the original
11103 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11104 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11105 (build_pointer_type_for_mode): Only return unqualified types.
11106 (build_reference_type_for_mode): Likewise.
11108 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11110 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11111 * Makefile.in (CXX_COMPAT_WARN): Define.
11112 * configure: Regenerate.
11114 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11117 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11120 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11122 * toplev.c: Fix thinko.
11124 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11125 Marcin Dalecki <martin@dalecki.de>
11127 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11128 (push_srcloc): Use XNEW.
11129 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11131 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11133 * df-core.c (df_set_blocks): Deleted all variable.
11135 2006-01-28 Ian Lance Taylor <ian@airs.com>
11137 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11138 cgraph_output_pending_asms.
11140 2006-01-28 Zack Weinberg <zackw@panix.com>
11142 * c.opt: Add -W(no-)overlength-strings.
11143 * doc/invoke.texi: Document it.
11144 * c-opts.c (c_common_handle_option): -pedantic implies
11145 -Woverlength-strings, if not explicitly disabled already.
11146 (c_common_post_options): -Woverlength-strings defaults to off, and
11147 is always off for C++.
11148 * c-common.c (fix_string_type): Issue warning about strings longer
11149 than is portable only if warn_overlength_strings. Rearrange code
11150 a little for clarity.
11151 * configure.in: Check for -Wno-overlength-strings as well before
11152 enabling -pedantic in stage 1.
11153 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11154 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11156 * genconditions.c (write_header, write_one_condition)
11157 (write_conditions, write_writer): Consolidate very long strings
11158 that were broken up to fit in C89 portable limit. Don't use
11159 printf when fputs will do.
11161 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11163 * combine.c (simplify_comparison <AND>): Check
11164 TRULY_NOOP_TRUNCATION before start using a subreg.
11166 * config/mips/mips.md (*branch_zero<mode>,
11167 *branch_zero<mode>_inverted, *branch_equality<mode>,
11168 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11169 Remove mode check from comparisons.
11171 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11173 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11175 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11177 * expmed.c (const_mult_add_overflow_p): Remove.
11178 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11180 * recog.c (validate_replace_rtx_subexp): Remove.
11181 * recog.h: Remove the prototype for
11182 validate_replace_rtx_subexp.
11184 * integrate.h: Remove the prototype for
11185 copy_decl_for_inlining.
11186 * rtl.h: Remove the prototype for mark_constant_function.
11187 * tree-vectorizer.h: Remove the prototype for
11188 vect_strip_conversion.
11190 * modulo-sched.c (create_partial_schedule,
11191 free_partial_schedule, reset_partial_schedule): Make them
11194 * hooks.c (hook_bool_rtx_int_false): Remove.
11195 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11197 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11199 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11200 and -mlong-double-128 are incompatible.
11201 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11202 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11203 (TARGET_LIBGCC2_CFLAGS): Define.
11204 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11205 (TARGET_LIBGCC2_CFLAGS): Same.
11206 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11208 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11211 * c-typeck.c (build_binary_op): Perform implicit casts of
11212 operands before shortening them.
11214 * cfgloopmanip.c (split_loop_bb): Remove.
11215 * cfgloop.h: Remove the prototype for split_loop_bb.
11217 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11218 * cfgloop.h: Remove the prototype for
11219 flow_loop_outside_edge_p.
11221 * emit-rtl.c (init_virtual_regs): Make it static.
11222 * function.h: Remove the prototype for init_virtual_regs.
11224 * recog.c (peephole2_optimize): Make it static.
11225 * recog.h: Remove the prototype for peephole2_optimize.
11227 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11229 * df-scan.c (df_record_entry_block_defs): Check if
11230 INCOMING_RETURN_ADDR_RTX is defined.
11232 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11233 Kenneth Zadeck <zadeck@naturalbridge.com>
11235 PR rtl-optimization/24762
11236 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11237 * targhooks.c (hook_void_bitmap): New hook prototype.
11238 * targhoohs.h (hook_void_bitmap): Ditto.
11239 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11240 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11241 * target.h (live_on_entry): New function pointer.
11242 * df-scan.c (df_all_hard_regs): Removed.
11243 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11244 (df_scan_free_internal): Added df->entry_block_defs.
11245 (df_scan_alloc): Ditto.
11246 (df_scan_dump): Ditto.
11247 (df_uses_record): Plumbed flag field properly thru calls.
11248 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11249 This part fixes PR24762.
11250 (df_bb_refs_record): Added code to make the frame and arg
11251 pointers live in EH blocks.
11252 (df_refs_record): Added call to df_record_entry_block_defs.
11253 (df_record_entry_block_defs): New function.
11254 * df-core.c: Added comments to describe new artifical defs.
11255 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11256 (entry_block_defs): New field in struct df.
11257 (df_all_hard_regs): Deleted.
11258 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11259 * df-problems.c (df_ru_bb_local_compute_process_def):
11260 Added code to handle artifical defs in the entry to a function.
11261 (df_ru_bb_local_compute): Ditto.
11262 (df_rd_bb_local_compute_process_def): Ditto.
11263 (df_rd_bb_local_compute): Ditto.
11264 (df_lr_bb_local_compute): Ditto.
11265 (df_ur_bb_local_compute): Ditto.
11266 (df_urec_bb_local_compute): Ditto.
11267 (df_chain_create_bb): Ditto.
11268 (df_ur_local_finalize): Removed entry.
11269 (df_urec_init): Ditto.
11270 (df_urec_local_finalize): Ditto.
11271 (df_ri_bb_compute): Added detection of last use of pseudos.
11272 * Makefile.in (df-scan.o): Updated dependencies.
11273 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11274 * config/mips/mips.c (mips_set_live_on_entry): Added.
11275 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11277 * dce.c (marked_insn_p): Added code to handle artifical defs.
11279 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11281 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11283 (_mm_cvtsi128_si64): Likewise.
11284 (_mm_cvtsd_si64): Likewise.
11285 (_mm_cvttsd_si64): Likewise.
11286 (_mm_cvtsi64_sd): Likewise.
11287 (_mm_cvtsi64_si128): Likewise.
11288 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11289 (_mm_cvtsi64_m64): Likewise.
11290 (_m_to_int64): Likewise.
11291 (_mm_cvtm64_si64): Likewise.
11292 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11293 (_mm_cvttss_si64): Likewise.
11294 (_mm_cvtsi64_ss): Likewise.
11295 (_mm_cvtss_f32): Likewise.
11297 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11299 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11300 for pragma redefine_extname.
11302 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11305 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11306 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11307 -mno-minimal-toc to previous content.
11308 (bispecs): Remove goal.
11309 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11310 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11311 compatibility aliases on powerpc-*-*gnu*.
11312 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11313 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11314 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11315 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11316 (ldblspecs): New goal.
11317 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11318 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11320 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11321 L_sf_to_tf or L_df_to_tf is defined.
11323 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11324 Alan Modra <amodra@bigpond.net.au>
11327 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11328 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11329 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11330 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11331 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11332 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11333 (rs6000_override_options): Initialize rs6000_ieeequad.
11334 Initialize TFmode format to ibm_extended_format if not
11336 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11338 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11339 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11340 (function_arg_advance): IBM long double passed in two FPRs, not
11342 (function_arg): IBM long double passed in FPRs.
11343 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11344 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11345 Only multireg GPR aligned.
11346 (rs6000_init_libfuncs): Enable IBM long double functions if not
11348 (rs6000_generate_compare): Use IBM long double compare if not
11350 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11351 (TARGET_IEEEQUAD): Define.
11352 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11353 not TARGET_IEEEQUAD.
11354 * config/rs6000/rs6000.md: Enable TFmode patterns if
11356 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11357 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11358 and -mlong-double-128 are incompatible.
11359 * doc/invoke.texi (-mabi): Collect options together. Add
11360 ibmlongdouble and ieeelongdouble.
11362 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11364 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11366 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11367 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11368 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11369 * rtl.h (rtunion_def): Remove rt_ptr.
11371 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11372 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11373 * config/i386/winnt.c (i386_pe_mark_dllexport)
11374 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11376 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11378 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11380 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11384 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11385 pthread_key_delete. From John David Anglin. gthrw-ify
11386 pthread_getunique_np only if it it's not a macro. Delete
11388 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11389 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11390 __gthread_objc_condition_signal, __gthread_key_delete): Add
11391 "__attribute__ ((__unused__))" to unused arguments.
11392 (__gthread_recursive_mutex_init_function): Add missing return.
11393 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11394 gthr-posix95.h: Use macro-based approach for name redirection
11395 on targets missing weakref.
11397 2006-01-26 Zack Weinberg <zackw@panix.com>
11399 * genconditions.c (write_header): In generated code, #ifdef out
11400 all includes and fake declarations, except includes of bconfig.h
11401 and system.h, unless GCC_VERSION >= 3001. Do not include
11402 gensupport.h in any case.
11403 (write_conditions): Generate a definition of struct c_test. Add
11404 a comment to the generated #endif.
11405 (write_one_condition): Escape backslashes in string too.
11406 (write_writer): Generated code must escape backslashes and quote
11407 marks (but not newlines) in the strings it writes.
11408 * Makefile.in (build/gencondmd.o): Update dependencies.
11410 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11413 * Makefile.in (insn-automata.o): Add header file dependencies.
11414 * genautomata.c: Add includes.
11416 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11419 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11421 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11423 * configure.ac: Expect target tools paths to be passed from the toplevel
11424 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11426 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11428 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11431 * c.opt (Wpointer-sign): Init to -1.
11432 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11433 OPT_pedantic, to 0 otherwise.
11434 * doc/invoke.texi: Update.
11436 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11438 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11439 constants provided by 80387 instructions in the destination mode.
11441 2006-01-26 Richard Guenther <rguenther@suse.de>
11442 Andrew Pinski <pinskia@physics.uc.edu>
11445 partial PR tree-opt/17064
11446 * tree-ssa-structalias.c (intra_create_variable_infos):
11447 Create heap variables for incoming parameters if
11448 flag_argument_noalias > 1.
11449 (find_what_p_points_to): Look through default defs of
11452 2006-01-26 Jeff Law <law@redhat.com>
11455 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11456 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11457 within the VR_RANGE, use the VR_RANGE as the result, not the
11459 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11460 bounds for the type.
11462 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11464 * tree-ssa-alias.c (maybe_create_global_var): Change
11465 subvar walking to an assertion that we don't have subvar'd variables.
11467 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11470 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11471 Use a new variable, inner. PARM_DECLs are always non-weak.
11473 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11475 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11476 --disable-checking.
11478 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11480 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11482 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11484 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11485 (smax_insn, smin_insn, smax_0, smin_0): New.
11487 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11490 * config/cris/cris.c (cris_order_for_addsi3): New function.
11491 * config/cris/cris-protos.h: Prototype it.
11492 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11493 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11494 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11495 (split for "op.S1 [rx=rx+i],ry (swapped)")
11496 (split for "op(s|u).S1 [rx=rx+i],ry")
11497 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11498 Apply cris_order_for_addsi3 when generating addsi3 insns.
11500 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11502 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11503 (TREE_BLOCK): Add call to EXPR_CHECK.
11505 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11508 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11509 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11510 (dump_omp_clauses): ... here.
11511 (dump_generic_node): Handle OMP_CLAUSE.
11512 * tree.c (omp_clause_num_ops): New.
11513 (omp_clause_code_name): New.
11514 (tree_code_size): Handle OMP_CLAUSE.
11515 (tree_size): Likewise.
11516 (make_node): Document handling of OMP_CLAUSE.
11517 (tree_node_structure): Handle OMP_CLAUSE.
11518 (omp_clause_check_failed): New.
11519 (omp_clause_range_check_failed): New.
11520 (omp_clause_operand_check_failed): New.
11521 (build_omp_clause): New.
11522 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11523 * tree.h (enum omp_clause_code): Declare.
11524 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11525 (OMP_CLAUSE_RANGE_CHECK): Define.
11526 (OMP_CLAUSE_ELT_CHECK): Define.
11527 (omp_clause_check_failed): Declare.
11528 (omp_clause_operand_check_failed): Declare.
11529 (omp_clause_range_check_failed): Declare.
11530 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11531 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11532 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11533 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11534 (OMP_CLAUSE_IF_EXPR): Likewise.
11535 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11536 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11537 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11538 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11539 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11540 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11541 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11542 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11543 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11544 (OMP_CLAUSE_CODE): Define.
11545 (OMP_CLAUSE_SET_CODE): Define.
11546 (OMP_CLAUSE_CODE): Define.
11547 (OMP_CLAUSE_OPERAND): Define.
11548 (struct tree_omp_clause): Declare.
11549 (union tree_node): Add field 'omp_clause'.
11550 * treestruct.def (TS_OMP_CLAUSE): Define.
11551 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11552 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11553 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11554 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11555 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11556 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11557 (OMP_CLAUSE): Define.
11558 * print-tree.c (print_node): Handle OMP_CLAUSE.
11559 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11560 * c-typeck.c: Likewise.
11561 * gimplify.c: Likewise.
11562 * c-omp.c: Likewise.
11563 * tree-nested.c: Likewise.
11564 * tree-inline.c: Likewise.
11565 * c-parser.c: Likewise.
11566 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11569 2006-01-25 Roger Sayle <roger@eyesopen.com>
11571 PR rtl-optimization/25703
11572 * combine.c (try_combine): Handle zero_extract and strict_low_part
11573 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11575 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11577 * global.c: Fix comment typos.
11579 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11582 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11583 Use output_addr_const instead of assemble_name.
11585 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11587 * Makefile.in (sched-vis.o): Update dependencies.
11588 * haifa-sched.c (sched_finish): Clear current_sched_info.
11589 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11590 (dump_flow_info): Call it.
11591 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11593 * basic-block.h (dump_bb_info): Declare.
11594 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11595 option, and apply options only for dump files whose TDF_RTL,
11596 TDF_TREE, or TDF_IPA bits match.
11597 * rtl.h: Declare new functions exported from sched-vis.c.
11598 * sched-vis.c: Enable also if scheduling is not used.
11599 (print_value): Print the mode of registers if not inside scheduling.
11600 (print_insn): Make it work outside the scheduler. Beautify the output
11602 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11604 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11606 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11607 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11608 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11609 depending on the value of CONSTANT_POOL_ADDRESS_P.
11610 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11612 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11613 rather than SYMBOL_REF_DECL.
11614 (rtx_constant_pool): Remove const_rtx_sym_htab.
11615 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11616 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11617 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11618 Remove handling of const_rtx_sym_htab.
11619 (find_pool_constant): Delete.
11620 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11621 rather than find_pool_constant.
11622 (get_pool_constant_for_function): Delete.
11623 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11624 find_pool_constant.
11625 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11626 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11627 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11628 (SYMBOL_REF_CONSTANT): New macro.
11629 (get_pool_constant_for_function): Delete.
11630 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11631 rather than SYMBOL_REF_DECL.
11632 (i386_pe_mark_dllimport): Likewise.
11633 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11634 rather than SYMBOL_REF_DECL.
11635 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11636 (machopic_indirect_call_target): Likewise.
11638 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11640 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11642 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11644 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11646 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11648 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11650 2006-01-24 David Daney <ddaney@avtrex.com>
11653 * configure.ac (enable_tls): New enable option.
11654 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11655 * configure: Regenerate.
11656 * doc/install.texi (--enable-tls): Document new option.
11657 (--disable-tls): Ditto.
11659 2006-01-24 Richard Henderson <rth@redehat.com>
11661 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11662 * alias.c (true_dependence): Respect it.
11663 (canon_true_dependence, write_dependence_p): Likewise.
11664 * builtins.c (get_builtin_sync_mem): Set it.
11666 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11668 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11671 2006-01-24 DJ Delorie <dj@redhat.com>
11673 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11674 for storing constants in single-bit bitfields.
11676 2006-01-25 Ben Elliston <bje@au.ibm.com>
11678 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11680 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11683 * tree-ssa-pre.c (phi_translate): Return NULL
11684 for AGGREGATE_TYPE's.
11686 2006-01-24 Zack Weinberg <zackw@panix.com>
11688 * genautomata.c (process_state_for_insn_equiv_partition):
11689 Use xcalloc for insn_arcs_array.
11690 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11691 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11693 2006-01-24 Richard Henderson <rth@redhat.com>
11695 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11696 update all callers.
11698 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11700 PR rtl-optimization/25890
11701 PR rtl-optimization/25905
11702 * combine.c (expand_compound_operation, expand_field_assignment):
11703 Fail if the bitfield's final position is out of bounds.
11705 2006-01-24 Ian Lance Taylor <ian@airs.com>
11707 PR middle-end/25930
11708 * cgraphunit.c (cgraph_output_in_order): Don't clear
11709 cgraph_asm_nodes until after asm strings have been output.
11711 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11713 * fix-header.c (read_scan_file): Add new parameter imultilib when
11714 calling register_include_chains.
11716 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11718 * omp-low.c: Update documentation.
11720 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11721 Daniel Berlin <dberlin@dberlin.org>
11725 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11726 return from the function.
11728 2006-01-22 Zack Weinberg <zackw@panix.com>
11730 * rtl.def (match_code): Add second argument.
11731 * genpreds.c (write_extract_subexp): New function.
11732 (write_match_code): Add path argument. Use write_extract_subexp.
11733 (write_predicate_expr): Pass path to write_match_code.
11734 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11735 not perform a mode test.
11736 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11737 a subexpression does not constrain the top-level code set.
11738 * read-rtl.c (read_rtx_variadic): New function.
11739 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11740 * doc/md.texi: Document new notation.
11741 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11742 (cmpsi_operand): ... here, using new notation.
11744 2006-01-22 Zack Weinberg <zackw@panix.com>
11746 * varray.c: Remove GENERATOR_FILE #ifdefs.
11748 2006-01-22 Zack Weinberg <zackw@panix.com>
11750 * genautomata.c (output_reserved_units_table): Emit nothing if
11751 description->query_units_num is zero. Remove extra blank line.
11752 (output_cpu_unit_reservation_p): Short circuit
11753 if description->query_units_num is zero.
11755 2006-01-22 Zack Weinberg <zackw@panix.com>
11757 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11758 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11759 nor any of the random handful of variables that used to be necessary
11760 when this program was linked with rtlanal.o. Prune set of forward
11761 function declarations.
11762 (struct attr_desc): Remove static_p field.
11763 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11764 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11765 (attr_string): Do not read the character one past the length of
11767 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11768 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11769 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11770 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11771 (make_automaton_attrs): New.
11772 (main): Do not call into genautomata. Call local gen_bypass
11773 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11774 Remove special case for insn_alts.
11775 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11776 varray.h (leftover from previous change). Prune set of forward
11777 function declarations. Remove state_alts fields from all
11778 structures. Remove state_alts_table from struct automaton.
11779 Make everything except main static. Do not maintain num_dfa_decls.
11780 Do not maintain state_alts fields of various structures.
11781 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11782 (add_arc): Remove state_alts argument. All callers updated.
11783 (output_reserved_units_table): Emit #ifdef here...
11784 (output_tables): ...not here. Don't generate state_alts tables.
11785 (expand_automata): Don't generate attributes.
11786 (write_automata): Don't generate state_alts functions.
11787 (main): New function.
11788 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11789 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11790 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11791 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11792 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11793 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11794 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11795 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11797 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11798 * genattrtab.h: Delete file.
11799 * Makefile.in (OBJS-common): Add insn-automata.o.
11800 (insn-automata.o): New rule.
11801 (simple_generated_c): Add insn-automata.c.
11802 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11803 (genprogmd): Add automata.
11804 (build/genattrtab): Needs no extra objects nor libraries.
11805 (build/genautomata): Needs build/vec.o and -lm.
11807 2006-01-22 Zack Weinberg <zackw@panix.com>
11809 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11810 (output_dfa_max_issue_rate, locked_states_num): Delete.
11811 (struct automaton): Add locked_states field.
11812 (output_dead_lock_vect): Save number of locked states in
11813 automaton->locked_states. If it is zero, don't print anything.
11814 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11815 (output_internal_dead_lock_func): Only test the dead_lock_vect
11816 for automata that have locked states.
11817 (output_statistics): Always print the number of locked states for
11818 each automaton. Calculate total number of locked states here.
11819 (write_automata): Don't call output_dfa_max_issue_rate.
11820 * genattrtab.c: Define length_unit_log as a const variable.
11821 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11822 max_insn_queue_index const.
11823 * final.c (length_unit_log): Declare const.
11824 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11826 2006-01-22 Zack Weinberg <zackw@panix.com>
11828 * genautomata.c: Include vec.h, not varray.h.
11829 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11830 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11831 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11832 VEC_* macros operating on appropriately typed vectors, or to
11833 malloced arrays when the size is known in advance. Const-ify
11834 many char* variables and function arguments. No functional changes.
11835 * Makefile.in (build/varray.o): Delete rule.
11836 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11837 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11839 2006-01-22 Zack Weinberg <zackw@panix.com>
11841 * gensupport.c: Define get_insn_name and record_insn_name here.
11842 (read_md_rtx): Call record_insn_name as appropriate.
11843 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11844 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11845 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11847 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11848 (BUILD_VARRAY): Delete.
11849 (genprognormal): Rename genprogmd. Fold in all programs from
11850 genprognoprint; also attrtab.
11851 (build/genattrtab): Just mention genautomata.o and varray.o.
11852 Reorganize a bit, add comments to make the categories clearer.
11854 2006-01-22 Zack Weinberg <zackw@panix.com>
11856 * genconditions.c (condition_table, add_condition): Delete.
11857 (write_conditions): Don't emit n_insn_conditions nor
11858 insn_elision_unavailable. Issue the gcc version #ifdef here,
11859 inside the table, with no #else clause ...
11860 (write_header): ...not here.
11861 (write_writer): New function.
11862 (main): Don't initialize condition_table. Use add_c_test.
11864 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11865 files on the command line.
11866 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11867 Return -1 if there is no entry in the table, don't abort.
11868 (add_c_test, traverse_c_tests): New functions.
11869 * gensupport.h (insn_elision_unavailable, insn_conditions)
11870 (n_insn_conditions): Delete declarations.
11871 (add_c_test, traverse_c_tests): Declare.
11872 * read-rtl.c: Include gensupport.h.
11873 (read_conditions): New function.
11874 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11875 (read_rtx_1): If we get EOF when we were looking for an initial
11876 open paren, return 0. Call read_conditions when appropriate.
11877 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11878 dummy-conditions.o. Eliminate references to insn-conditions.o,
11879 or change them to build/gencondmd.o, as appropriate. Remove
11880 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11881 from $(simple_generated_c). For all files remaining in those
11882 two lists, add insn-conditions.md to the generator command line.
11883 Give insn-constants.h/s-constants their own rules. Add rules
11884 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11885 (build/read-rtl.o): Depend on gensupport.h.
11886 (genprognormal): Include preds.
11887 (genprogearly): Rename genprognoprint; only difference is now that
11888 they don't link with $(BUILD_PRINT).
11889 * dummy-conditions.c: Delete.
11891 2006-01-22 Zack Weinberg <zackw@panix.com>
11893 * genextract.c: Don't include insn-config.h. Do include vec.h.
11894 Declare vectors of int, char, and locstr.
11895 (locstr): New typedef.
11896 (struct extraction): Make all array fields into bare pointers.
11897 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11898 (insn_code_number): Delete.
11899 (accum_extract): New struct.
11900 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11901 (gen_insn): Take insn_code_number as an argument. Use an
11902 accum_extract structure instead of loading data directly into
11903 a struct extraction, and having to know how big it might get.
11904 (walk_rtx): Operate entirely on an accum_extract structure.
11905 (print_path): Avoid unnecessary use of printf.
11906 (print_header): New function, split out of main. Distinguish
11907 more carefully between an unrecognizable insn and an insn that
11908 has the code number of a define_expand.
11909 (main): Pass insn_code_number to gen_insn. Call print_header
11910 only after parsing. Avoid unnecessary use of printf.
11911 * Makefile.in (build/vec.o): New rule.
11912 (build/genextract): Depend on build/vec.o.
11913 (build/genextract.o): Don't depend on insn-config.h.
11915 2006-01-22 Zack Weinberg <zackw@panix.com>
11917 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11918 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11919 practical. Eliminate per-generator-program link rules.
11921 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11923 PR middle-end/24437
11924 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11925 with a call expr to ...
11926 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11928 2006-01-23 Richard Guenther <rguenther@suse.de>
11930 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11931 before make_edge with conditional EDGE_TRUE_VALUE.
11933 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11934 Jan Hubicka <jh@suse.cz>
11935 Richard Guenther <rguenther@suse.de>
11937 PR rtl-optimization/25654
11938 * cfgexpand.c (aggregate_contains_union_type): New function.
11939 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11940 for structure variables that contain a union type.
11942 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11944 * gengtype.c (new_structure): Return the structure.
11945 (create_option): Add an extra "next" argument.
11946 (create_field): New function.
11947 (adjust_field_rtx_def): Use create_option and create_field.
11948 Remove a now-unnecessary call to find_structure.
11949 (adjust_field_tree_def): Likewise.
11950 (note_yacc_type): Remove an unnecessary call to find_structure.
11951 * gengtype.h (new_structure): Return the structure.
11952 (create_option): Add an extra argument.
11953 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11954 (option): Adjust calls to create_option.
11956 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11958 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11960 2006-01-22 Paul Brook <paul@codesourcery.com>
11961 Peter Barada <peter@the-baradas.com>
11963 * config/m68k/m68k.md: Add Coldfire FPU support.
11964 Define FP mode macro and associated attributes.
11965 Use it for float mode patterns.
11966 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11967 (LIBCALL_VALUE): Use m68k_libcall_value.
11968 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11969 (m68k_function_value): Ditto.
11970 (emit_move_sequence): Ditto.
11971 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11972 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11973 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11974 (MULTILIB_EXCEPTIONS): Ditto.
11975 * config/m68k/m68k.opt: Add mcfv4e.
11976 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11977 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11978 (m68k_output_function_prologue): Save ColdFire FPU registers.
11979 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11980 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11981 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11982 ColdFire FPU registers.
11983 (m68k_libcall_value, m68k_function_value): New functions.
11984 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11985 (LIBCALL_VALUE): Use m68k_libcall_value.
11986 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11987 (MASK_COLDFIRE): Add MASK_CFV4E.
11988 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11989 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11990 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11991 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11992 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11993 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11994 * doc/invoke.tex: Document -mcfv4e on m68k.
11996 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11998 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12001 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12004 * c-opts.c (c_common_handle_option): Don't include
12005 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12006 * doc/invoke.texi (C++ Dialect Options): Document that
12007 -Wnon-virtual-dtor is no longer included in -Wall.
12009 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12011 * gcov.c (print_version), gcov-dump.c (print_version),
12012 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12015 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12017 * df-scan.c (problem_SCAN): Added NULL reset function.
12018 (df_scan_reset_blocks): Added code to call reset block function
12019 (df_bb_refs_delete) Fixed comment.
12020 (df_insn_refs_delete): Made tolerant of deleting non existent info
12021 for dataflow problems that need to be reset.
12022 * df-core.c (df_set_blocks): Ditto.
12023 * df.h (struct df_problem): Added reset_fun.
12024 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12025 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12026 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12027 functions to clear out all references to def-use or use-def chains.
12029 2006-01-21 Ben Elliston <bje@au.ibm.com>
12031 * varasm.c (assemble_real): Initialise data array.
12033 2006-01-20 Paul Brook <paul@codesourcery.com>
12035 Merge from csl-arm-branch.
12036 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12037 * config/arm/arm.md (movdi): Force operands[1] to a register
12038 if we have a non-register source.
12039 (*arm_movdi, *movdf_soft_insn): Require that one of the
12040 operands be a register.
12041 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12042 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12044 2006-01-20 DJ Delorie <dj@redhat.com>
12046 * varasm.c (initializer_constant_valid_p): Allow pointers
12047 initialized from integer constants of lesser precision.
12048 (output_constant): Allow non-int-sized pointer modes to be
12049 initialized from integer constants.
12051 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12054 * cppdefault.h (struct default_include): Add multilib flag.
12055 * cppdefault.c (cpp_include_defaults): Set it.
12056 * c.opt (-imultilib): New option.
12057 * c-opts.c (imultilib): New.
12058 (c_common_handle_option): Handle -imultilib.
12059 (c_common_post_options): Likewise.
12060 * c-incpath.c (add_standard_paths, register_include_chains):
12062 * c-incpath.h (register_include_chains): Add extra parameter.
12063 * gcc.c (do_spec_1): Generate -imultilib option.
12064 (The Specs Language): Update %I description.
12065 (process_command): Update copyright notice.
12066 * doc/cppopts.texi (-imultilib): Document.
12067 * doc/invoke.texi (-imultilib): Include in option summary.
12068 (%I): Update specs documentation.
12070 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12072 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12074 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12076 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12079 2006-01-20 Richard Guenther <rguenther@suse.de>
12080 Steven Bosscher <stevenb.gcc@gmail.com>
12082 PR rtl-optimization/24626
12083 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12084 EDGE_TRUE_VALUE if in RTL mode.
12087 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12088 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12090 2006-01-20 Dirk Mueller <dmueller@suse.com>
12093 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12094 instead of a special NOP marker.
12095 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12096 NOP marker handling.
12097 * c-common.h (empty_body_warning): Add forward declaration.
12098 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12099 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12101 2006-01-20 Paul Brook <paul@codesourcery.com>
12103 * Makefile.in (lang_checks): Keep going if mkdir fails.
12105 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12107 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12108 be able to clean out basic block when not necessary.
12109 (df_scan_free): Fixed to properly delete information if df is
12110 unused before calling df_finish.
12111 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12112 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12114 (df_bb_refs_delete): New function.
12115 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12116 * df-core.c (df_set_blocks): Added code to properly clean out
12117 unused blocks if they are not part of the blocks to consider.
12118 Added additional null check.
12119 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12120 be able to clean out basic block when not necessary
12121 * df.h (df_free_bb_function): Ditto.
12122 (df_bb_refs_delete): New function.
12123 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12124 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12125 basic block parameter to be able to clean out basic block when not
12127 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12128 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12129 Fixed to properly delete information if df is unused before
12132 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12134 PR rtl-optimization/25799
12135 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12136 Corrected confluence operator to remove bits from op2 before oring
12137 with op1 rather than removing bits from op1.
12138 (df_ru_transfer_function): Corrected test on wrong bitmap which
12139 caused infinite loop. Both of these problems were introduced in
12140 the dataflow rewrite.
12142 2006-01-19 DJ Delorie <dj@redhat.com>
12144 * reload1.c (find_reload_regs): Note the details of reload
12145 failures in the dump file.
12146 (spill_failure): Likewise.
12148 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12150 * loop-iv.c: Include df.h and hashtab.h.
12151 (enum iv_grd_result): New enum.
12152 (DF_REF_IV, DF_REF_IV_SET): New macros.
12153 (struct biv_entry): New.
12154 (df, bivs): New global variables.
12155 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12156 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12158 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12159 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12160 analyzed_for_bivness_p, record_biv): New functions.
12161 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12162 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12163 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12165 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12167 (iv_number_of_iterations): Use new interface to iv analysis.
12168 * loop-unroll.c: Do not include varray.h.
12169 (analyze_iv_to_split_insn): Use new interface to iv
12171 * loop-unswitch.c (may_unswitch_on): Ditto.
12172 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12174 (df_bb_modify): Realloc tables to the new index.
12175 (df_find_use): New function.
12176 * df.h (df_find_use): Declare.
12177 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12179 * cfgloop.h (struct rtx_iv): Remove analysed field.
12180 (iv_get_reaching_def): Removed.
12181 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12182 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12183 (loop-iv.o): Add df.h and hashtab.h dependency.
12184 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12186 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12189 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12191 (__floatundisf, __floatundidf): Likewise.
12192 * libgcc2.h (IS_IBM_EXTENDED): Define.
12194 2006-01-19 DJ Delorie <dj@redhat.com>
12196 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12198 2006-01-19 Paul Brook <paul@codesourcery.com>
12200 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12201 as nothrow when unwinding tables are disabled.
12203 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12206 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12207 of bit-field" when in system header.
12209 2006-01-19 DJ Delorie <dj@redhat.com>
12211 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12212 the 16 bit shift limit of the m16c.
12214 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12217 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12218 * config/i386/i386.c (output_set_got): Output the label if we have one
12219 for the TARGET_DEEP_BRANCH_PREDICTION case.
12221 2006-01-19 Jan Hubicka <jh@suse.cz>
12222 H.J. Lu <hongjiu.lu@intel.com>
12223 Evandro Menezes <evandro.menezes@amd.com>
12225 * invoke.texi (generic): Document
12227 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12228 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12229 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12230 (x86_use_incdec, x86_pad_returns): New variables
12231 (TARGET_CPU_DEFAULT_generic): New constant
12232 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12233 (enum processor_type): Add generic32 and generic64.
12234 * i386.md (cpu attribute): Add generic32/generic64
12235 (movhi splitter): Behave sanely when both partial_reg_dependency and
12236 partial_reg_stall are set.
12237 (K8 splitters): Enable for generic as well.
12238 * predicates.md (incdec_operand): Use TARGET_INCDEC
12239 (aligned_operand): Avoid memory mismatch stalls.
12240 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12241 * ppro.md: Enable for generic32
12242 * i386.c (generic64_cost, generic32_cost): New.
12243 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12244 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12245 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12246 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12247 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12248 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12249 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12250 x86_accumulate_outgoing_args, x86_prologue_using_move,
12251 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12252 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12253 Enable for generic.
12254 (x86_use_incdec, x86_pad_returns): New.
12255 (override_options): Add generic32 and generic64, translate "generic"
12256 to generic32/generic64 and "i686" to "generic32", refuse
12257 "generic32"/"generic64" as arch target.
12258 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12259 (ix86_reorg): Honor PAD_RETURNS.
12261 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12263 * tree-pretty-print.c (dump_generic_node): Handle
12264 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12265 * cgraph.c (cgraph_expand_queue): Rename from
12266 cgraph_analyze_queue. Update all users.
12267 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12268 cgraph_expand_queue.
12269 (cgraph_expand_all_functions): Likewise.
12270 (cgraph_finalize_pending_functions): Remove. Update callers.
12272 * tree.h (OMP_DIRECTIVE_P): Define.
12273 (OMP_PARALLEL_FN): Define.
12274 (OMP_PARALLEL_DATA_ARG): Define.
12275 (OMP_SECTIONS_SECTIONS): Define.
12276 * tree-pass.h (pass_expand_omp): Declare.
12277 * omp-low.c (struct omp_region): Declare.
12278 (struct omp_context): Remove fields 'parallel_type',
12279 'parallel_start_ix' and 'parallel_start_additional_args'.
12281 (struct omp_for_data): Rename from struct expand_omp_for_data.
12282 (omp_regions): New static variable.
12283 (root_omp_region): New static variable.
12284 (find_omp_clause): Make static.
12285 (is_in_combined_parallel_ctx): Remove.
12286 (is_combined_parallel): New.
12287 (extract_omp_for_data): Move earlier in the file.
12288 (workshare_safe_to_combine_p): New.
12289 (get_ws_args_for): New.
12290 (determine_parallel_type): Move earlier in the file.
12291 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12293 (omp_copy_decl): Likewise.
12294 (create_omp_child_function): Likewise.
12295 (lookup_omp_region): New.
12296 (dump_omp_region): New.
12297 (debug_omp_region): New.
12298 (debug_all_omp_regions): New.
12299 (new_omp_region): New.
12300 (scan_omp_parallel): If parallel_nesting_level > 1, the
12301 directive is nested within another parallel directive.
12302 Set OMP_PARALLEL_FN.
12303 (scan_omp_for): Do not try to handle combined parallel+for
12305 Remove FIXME comment.
12306 (scan_omp_nested): Remove.
12307 (scan_omp_1): Do not call scan_omp_nested when
12308 parallel_nesting_level is > 1.
12309 Do not change the DECL_CONTEXT of local variables found.
12310 (lookup_decl_in_outer_ctx): New.
12311 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12312 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12313 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12314 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12315 If CTX is nested, lookup VAR in the outer context when
12316 building copy assignment.
12317 (lower_send_clauses): Rename from expand_send_clauses.
12318 If CTX is nested, lookup VAR in the outer context when
12319 building copy assignments.
12320 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12321 If CTX is nested, lookup VAR in the outer context when
12322 building copy assignments.
12323 (expand_parallel_call): Rename from build_parallel_call.
12324 Handle combined parallel+workshare cases.
12325 Re-implement to emit code into the CFG.
12327 (expand_omp_parallel): Re-implement to emit code into the CFG.
12328 Call move_sese_region_to_fn to outline the sub-graph
12329 containing the parallel region.
12330 (expand_omp_for_1): Remove.
12331 (expand_omp_for_generic): Re-implement to emit code into the
12333 (expand_omp_for_static_nochunk): Likewise.
12334 (expand_omp_for_static_chunk): Likewise.
12335 (expand_omp_for): Likewise.
12336 (expand_omp_sections): Likewise.
12337 (remove_exit_barriers): New.
12338 (expand_omp_synch): New.
12340 (build_omp_regions_1): New.
12341 (build_omp_regions): New.
12342 (execute_expand_omp): New.
12343 (gate_expand_omp): New.
12344 (pass_expand_omp): Define.
12345 (lower_omp_sections): Rename from expand_omp_sections.
12346 Set OMP_SECTIONS_SECTIONS.
12347 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12348 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12349 (lower_omp_single): Rename from expand_omp_simple.
12350 (lower_omp_master): Rename from expand_omp_master.
12351 (lower_omp_ordered): Rename from expand_omp_ordered.
12352 (lower_omp_critical): Rename from expand_omp_critical.
12353 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12354 (lower_omp_for): Re-implement.
12355 (lower_omp_parallel): Re-implement.
12356 (lower_regimplify): Rename from expand_regimplify.
12357 (lower_omp_1): Rename from expand_omp_1.
12358 If there are syntax errors in the program, replace every
12359 OpenMP directive with NOP.
12360 Call lower_omp_* instead of expand_omp_*.
12361 (lower_omp): Rename from expand_omp.
12363 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12364 * tree-gimple.h (enum omp_parallel_type): Remove.
12365 (gimple_boolify): Declare extern.
12366 (find_omp_clause, determine_parallel_type): Remove.
12368 * gimple-low.c (lower_omp_directive): New.
12369 (lower_stmt): Call it.
12370 (record_vars_into): Move from ...
12371 (record_vars): ... here.
12372 Call record_vars_into with current_function_decl.
12374 * gimplify.c (struct gimplify_ctx): Remove fields
12375 combined_pre_p and combined_ctxp. Update users.
12376 (get_formal_tmp_var): Add documentation.
12377 (gimple_boolify): Make extern.
12378 (gimplify_expr_in_ctx): Remove. Update callers.
12379 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12380 will always be a BIND_EXPR.
12381 (gimplify_expr): Handle OMP_RETURN_EXPR.
12382 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12383 (OMP_PARALLEL): Add 3 operands.
12384 (OMP_SECTIONS): Add 1 operand.
12385 (OMP_RETURN_EXPR): Define.
12387 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12388 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12389 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12390 creating a circular free list.
12391 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12393 * tree-flow.h (move_sese_region_to_fn): Declare.
12394 (record_vars_into): Declare.
12395 * tree-cfg.c (make_omp_sections_edges): New.
12396 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12397 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12398 OMP_SECTIONS and OMP_SECTION.
12399 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12400 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12401 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12402 (gather_blocks_in_sese_region): New.
12403 (struct move_stmt_d): Declare.
12404 (move_stmt_r): New.
12405 (move_block_to_fn): New.
12406 (move_sese_region_to_fn): New.
12408 * passes.c (init_optimization_passes): Schedule
12409 pass_expand_omp after pass_init_datastructures.
12411 * tree-ssa-operands.c (get_expr_operands): Handle
12412 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12413 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12415 2006-01-19 Jeff Law <law@redhat.com>
12417 * tree-vrp.c (extract_range_from_assert): Refine the result range
12418 if the variable referenced by the ASSERT_EXPR has a range and
12419 either the tentative result range or the previous range is a
12422 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12424 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12426 2006-01-19 Jan Hubicka <jh@suse.cz>
12428 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12430 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12432 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12433 (expand_compound_operation, expand_field_assignment): Fail if the
12434 bit lengths of an extract operation are out of range.
12435 (make_extraction): Compute wanted_inner_mode based on the position
12436 and length of the extraction. Make it extraction_mode for non-constant
12437 positions, and do not modify offset in that case. When generating a
12438 new MEM, use a mode that can hold the extraction while keeping correct
12439 alignment. Remove code that supported MEMs wrapped by USEs.
12440 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12442 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12444 * config/s390/s390.md ("Y", "y"): New mode attribute.
12445 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12446 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12447 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12448 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12449 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12450 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12451 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12452 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12453 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12454 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12455 "addsi3", "subsi3"): Insn patterns removed.
12456 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12457 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12458 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12459 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12460 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12461 "*sub<mode>3_cconly2"): New insn patterns.
12462 ("addsi3", "subsi3"): New expanders.
12464 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12466 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12467 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12468 existing STMT_VINFO_VECTYPE if available.
12469 (vect_mark_relevant): Add special handling for stmts that are
12470 marked as STMT_VINFO_IN_PATTERN_P.
12471 (vect_analyze_loop): Call vect_pattern_recog.
12472 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12473 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12475 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12476 (vect_recog_func_ptr): New function-pointer type.
12477 * tree-vect-patterns.c: New file.
12478 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12479 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12480 (vect_pattern_recog_1): New functions.
12481 (vect_pattern_recog_funcs): New array of function pointers.
12483 * tree-vectorizer.h (ternary_op): New enum value.
12484 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12485 declaration. Revised documentation. Removed redundant dump prints.
12486 Removed redundant argument. Added support for reduction patterns.
12487 (vectorizable_reduction): Added support for reduction patterns.
12488 (vect_transform_stmt): Added support for patterns.
12490 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12491 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12492 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12493 (expand_widen_pattern_expr): New function.
12494 (init_optabs): Initialize new optabs udot_prod_optab,
12496 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12497 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12498 (expand_widen_pattern_expr): New function declaration.
12499 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12501 * tree-inline.c (estimate_num_insns_1): Added cases for new
12502 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12503 * tree-pretty-print.c (dump_generic_node): Likewise.
12504 (op_prio): Likewise.
12505 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12506 * tree-ssa-operands.c (get_expr_operands): Added case for
12508 * tree-vect-patterns.c (widened_name_p): New function.
12509 (vect_recog_dot_prod_pattern): Added function implementation.
12510 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12511 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12512 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12513 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12515 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12516 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12517 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12518 (init_optabs): Initialize new optabs widen_ssum_optab,
12520 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12521 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12522 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12523 use instead of type of def.
12524 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12525 function implementation.
12526 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12527 widen_ssumv8hi): New.
12529 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12532 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12535 * c-decl.c (add_flexible_array_elts_to_size): New function.
12536 (finish_decl): Use it.
12538 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12540 * diagnostic.h: Include options.h.
12541 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12542 dependancies for diagnostic.h.
12543 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12545 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12547 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12548 (ssa_ro_call_cache_valid): Ditto.
12549 * tree-ssa-alias.c (sort_tags_by_id): New function.
12550 (init_transitive_clobber_worklist): Ditto.
12551 (add_to_worklist): Ditto.
12552 (mark_aliases_call_clobbered): Ditto.
12553 (compute_tag_properties): Ditto.
12554 (set_initial_properties): Ditto.
12555 (compute_call_clobbered): Ditto.
12556 (compute_may_aliases): Call compute_call_clobbered and grouping.
12557 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12558 (compute_flow_insensitive_aliasing): Grouping now happens in our
12560 (setup_pointers_and_addressables): Remove clobbering related code.
12561 (add_may_alias): Ditto.
12562 (replace_may_alias): Ditto.
12563 (get_nmt_for): Ditto.
12564 (create_global_var):
12565 (is_escape_site): Return an escape_type enumeration.
12566 * tree-flow-inline.h (is_call_clobbered): Global var does not
12567 imply call clobbered.
12568 (mark_call_clobbered): Take a reason for marking this. Remove
12569 marking of globalness, and cache invalidation.
12570 (clear_call_clobbered): Remove cache invalidation code.
12571 * tree-dfa.c (dump_variable): If details is on, dump the reason
12573 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12575 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12576 (struct var_ann_d): Ditto.
12577 (enum escape_type): New.
12578 (mark_call_clobbered): Adjust prototype.
12579 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12580 are never call clobbered.
12581 Record reasons for escaping.
12582 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12583 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12584 (ssa_ro_call_cache_valid): Ditto.
12585 (clobbered_v_may_defs): Ditto.
12586 (clobbered_vuses): Ditto.
12587 (ro_call_vuses): Ditto.
12588 (clobber_stats): New.
12589 (init_ssa_operands): Zero out clobber stats.
12590 (fini_ssa_operands): Print out clobber stats.
12591 (get_call_expr_operands): Pass callee fndecl to
12592 add_call_read_ops).
12593 (add_call_clobber_ops): Remove use of cache.
12594 Add use of PURE_CONST information.
12595 (add_call_read_ops): Remove use of cache.
12596 Add use of static not_read information.
12598 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12600 Introduce TLS descriptors for i386 and x86_64.
12601 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12602 (TARGET_ANY_GNU_TLS): New macro.
12603 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12604 (struct machine_function): Add tls_descriptor_call_expanded_p.
12605 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12606 (ix86_current_function_calls_tls_descriptor): Likewise.
12607 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12608 (override_options): Introduce gnu2 tls dialect.
12609 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12611 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12613 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12614 (ix86_init_machine_status): Initialize new field.
12615 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12616 (ix86_tls_module_base): New.
12617 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12618 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12619 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12620 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12621 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12622 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12623 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12624 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12625 * config/i386/predicates.md (tls_modbase_operand): New.
12626 (tp_or_register_operand): New.
12628 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12630 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12631 (look_for_address_of): Ditto.
12632 (ipa_init): Walk the function decls.
12633 (static_execute): Don't set readonly on FUNCTION_DECL's.
12635 2006-01-18 Roger Sayle <roger@eyesopen.com>
12637 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12638 for shifts where the source and destination registers are different.
12640 2006-01-18 Paul Brook <paul@codesourcery.com>
12642 Merge from csl-arm-branch.
12643 2005-03-14 Julian Brown <julian@codesourcery.com>
12644 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12645 (aeabi_llsl): Likewise.
12646 (ashrdi3): Likewise.
12647 (aeabi_lasr): Likewise.
12648 (lshrdi3): Likewise.
12649 (aeabi_llsr): Likewise.
12650 2005-03-10 Julian Brown <julian@codesourcery.com>
12651 * config.gcc: Disable shared libgcc for SymbianOS.
12652 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12654 2006-01-18 DJ Delorie <dj@redhat.com>
12656 * c-pragma.c (handle_pragma_diagnostic): New.
12657 (init_pragma): Register it.
12658 * doc/extend.texi: Document it.
12660 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12661 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12662 (diagnostic_context): Add classify_diagnostic[].
12663 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12664 as errors if they're overridden to DK_WARNING.
12665 (diagnostic_initialize): Initialize classify_diagnostic[].
12666 (diagnostic_set_kind_override): New.
12667 (diagnostic_report_diagnostic): Check for kind changes.
12668 * opts.c (common_handle_option): Take lang_mask. Update callers.
12669 Handle OPT_Werror_.
12670 * common.opt (Werror=): New.
12671 * doc/invoke.texi: Document -Werror=*
12673 2006-01-18 Jeff Law <law@redhat.com>
12675 * tree-vrp.c (test_for_singularity): Correct test for new
12676 min limit. Use operand_equal_p rather than pointer equality
12677 for testing if new min/max values are equal.
12679 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12680 using range information until after propagation and folding.
12682 2006-01-18 Richard Henderson <rth@redhat.com>
12683 Aldy Hernandez <aldyh@redhat.com>
12684 Jakub Jelinek <jakub@redhat.com>
12685 Diego Novillo <dnovillo@redhat.com>
12687 * omp-low.c: New file.
12688 * c-omp.c: New file.
12690 2006-01-18 Richard Henderson <rth@redhat.com>
12691 Jakub Jelinek <jakub@redhat.com>
12692 Diego Novillo <dnovillo@redhat.com>
12694 * doc/invoke.texi: Document -fopenmp.
12695 * tree-dump.h (debug_function): Declare.
12696 * hooks.c (hook_bool_tree_bool_false): New function.
12697 (hook_tree_tree_null): Remove.
12698 (hook_tree_tree_tree_null): New.
12699 * hooks.h: Update to match.
12700 * tree-pretty-print.c (debug_tree_chain): New.
12701 (print_generic_expr): Handle TDF_CHAIN.
12702 (dump_generic_node): Handle BLOCK.
12703 Do not abort with incomplete SWITCH_EXPRs.
12704 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12705 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12706 print space after directive name.
12707 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12708 Handle OMP_MASTER and OMP_ORDERED.
12709 Handle printing of OMP_BODY just in one place, goto
12710 dump_omp_body in the rest of OMP_* nodes that have
12712 Don't handle clause nodes here. Update omp statements to
12713 use dump_omp_clauses.
12714 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12715 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12716 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12717 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12718 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12719 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12720 Adjust output for GOMP_PARALLEL.
12721 (dump_omp_clauses): New.
12722 (print_declaration): Dump DECL_VALUE_EXPR.
12723 (op_symbol_1): Split out of op_symbol.
12724 (dumping_stmts): Remove. Update all users.
12725 * cgraph.c (cgraph_analyze_queue): New.
12726 (cgraph_add_new_function): New.
12727 * cgraph.h (cgraph_analyze_queue): Declare.
12728 (cgraph_add_new_function): Declare.
12729 (cgraph_lower_function): Remove.
12730 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12731 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12732 and TYPE_P nodes in its default clause.
12733 (empty_body_p): New.
12734 (tree_range_check_failed): New.
12735 (build5_stat): New.
12736 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12737 OMP_CLAUSE_REDUCTION_MERGE,
12738 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12739 OMP_CLAUSE_PRIVATE_DEBUG,
12740 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12741 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12742 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12743 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12744 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12745 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12746 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12747 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12748 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12749 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12750 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12751 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12752 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12753 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12754 (TREE_RANGE_CHECK): New.
12755 (empty_body_p): Declare.
12756 (enum omp_clause_default_kind): New.
12757 (build_string_literal): Declare.
12758 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12759 (build5_stat, build5): Declare.
12760 * tree-pass.h (TDF_CHAIN): Define.
12761 * tree-pass.h (PROP_gimple_lomp): Define.
12762 (pass_lower_omp): Declare.
12763 * diagnostic.h (debug_tree_chain): Declare.
12764 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12766 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12767 * builtins.c (build_string_literal): Make extern.
12768 * gcc.c (include_spec_function): New.
12769 (static_spec_functions): Add it.
12770 (main): Move load of libgomp.spec ...
12771 (LINK_COMMAND_SPEC): ... here.
12772 (link_gomp_spec): New.
12773 (static_specs): Include it.
12774 (LINK_COMMAND_SPEC): Add link_gomp.
12775 (GOMP_SELF_SPECS): New.
12776 (driver_self_specs): Include it.
12777 (switch_matches): Don't mark inline.
12778 (main): Load libgomp.spec.
12779 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12780 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12781 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12782 * tree-gimple.h (enum omp_parallel): Declare.
12783 (determine_parallel_type): Declare.
12784 (omp_firstprivatize_variable): Declare.
12785 (omp_reduction_init): Declare.
12786 (diagnose_omp_structured_block_errors): Declare.
12787 (struct walk_stmt_info): Add want_return_expr.
12788 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12789 (find_omp_clause): Declare.
12790 (insert_field_into_struct): Declare.
12791 (struct walk_stmt_info): Move from tree-nested.c
12792 (walk_stmts): Declare.
12793 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12795 * cgraphunit.c (cgraph_lower_function): Make static.
12796 (cgraph_finalize_pending_functions): New.
12797 (cgraph_finalize_function): Call it.
12798 (cgraph_finalize_compilation_unit): Likewise.
12799 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12800 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12801 (BT_FN_UINT_UINT): New.
12802 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12803 DEF_FUNCTION_TYPE_VAR_4): Document.
12804 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12805 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12806 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12807 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12808 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12809 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12810 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12811 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12812 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12813 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12814 into separate files.
12815 (DEF_GOMP_BUILTIN): New.
12816 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12817 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12818 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12819 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12820 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12821 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12822 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12823 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12824 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12825 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12826 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12827 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12828 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12829 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12830 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12831 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12832 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12833 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12834 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12835 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12836 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12837 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12838 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12839 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12840 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12841 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12842 * sync-builtins.def: New file, moved from builtins.def.
12843 * omp-builtins.def: New file, moved from builtins.def.
12844 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12845 * gimple-low.c (lower_function_body): Clear data.
12846 (lower_stmt): Do not handle COMPOUND_EXPR.
12847 Remove call to print_node_brief.
12848 * c-tree.h (c_finish_omp_clauses): New prototype.
12849 (C_DECL_THREADPRIVATE_P): Define.
12850 (lookup_name_no_remap, c_omp_remap_private): Remove
12851 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12852 (check_for_loop_decls): Update decl.
12853 (lookup_name_no_remap, c_omp_remap_private): Declare.
12854 (build_indirect_ref, build_modify_expr, pushdecl,
12855 pushdecl_top_level): Move to c-common.h.
12856 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12857 before the switch, but just in the 2 places that need it.
12858 * c-decl.c (diagnose_mismatched_decls): Do not check for
12859 mismatched thread-local attributes when OLDDECL is marked
12860 threadprivate and NEWDECL has no thread-local attributes.
12861 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12862 (c_gimple_diagnostics_recursively): Rename from
12863 c_warn_unused_result_recursively. Invoke
12864 diagnose_omp_structured_block_errors.
12865 (check_for_loop_decls): Return a singular decl found.
12866 * langhooks.c (lhd_omp_predetermined_sharing): Return
12867 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12868 (lhd_omp_firstprivatize_type_sizes): New.
12869 (lhd_omp_assignment): New.
12870 (lhd_omp_predetermined_sharing): New.
12871 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12872 (struct lang_hooks_for_types): Add
12873 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12874 omp_predetermined_sharing, omp_disregard_value_expr,
12875 omp_private_debug_clause, omp_clause_default_ctor,
12876 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12877 (c_finish_omp_clauses): New.
12878 (c_finish_bc_stmt): Diagnose break within omp for.
12879 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12880 (build_unary_op): Return error_mark after reporting
12882 (build_modify_expr): Likewise.
12883 * gimplify.c: Include optabs.h and pointer-set.h.
12884 (enum gimplify_omp_var_data): Declare.
12885 (struct gimplify_omp_ctx): Declare.
12886 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12888 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12889 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12890 (splay_tree_compare_decl_uid): New.
12891 (new_omp_context): New.
12892 (delete_omp_context): New.
12893 (gimple_add_tmp_var): Call omp_add_variable.
12894 (gimplify_bind_expr): Likewise.
12895 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12896 true, disregard DECL_VALUE_EXPR on the decl if any.
12897 (gimplify_expr_in_ctx): New.
12898 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12899 omp_add_variable, omp_notice_variable, omp_is_private
12900 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12901 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12902 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12903 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12904 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12905 gimplify_omp_atomic): New.
12906 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12907 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12908 OMP_CRITICAL and OMP_ATOMIC.
12909 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12910 * c-pragma.h (enum pragma_kind): Add
12911 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12912 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12913 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12914 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12915 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12916 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12917 PRAGMA_OMP_THREADPRIVATE.
12918 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12919 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12920 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12921 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12922 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12923 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12924 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12925 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12926 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12927 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12928 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12929 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12930 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12932 (struct nesting_info): Add field_map,
12933 suppress_expansion, debug_var_chain.
12934 (create_nesting_tree): Initialize them.
12935 (lookup_field_for_decl): Use field_map.
12936 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12937 (convert_local_omp_clauses): New.
12938 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12939 (walk_body): Split out of walk_function.
12940 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12941 (convert_nonlocal_reference): Handle omp statements.
12942 (convert_local_reference): Likewise.
12943 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12944 (unnest_nesting_tree): New.
12945 (lower_nested_functions): Call it.
12946 (insert_field_into_struct): Make extern.
12947 (struct walk_stmt_info): Move to tree-gimple.h.
12948 (walk_stmts): Make extern.
12949 * omp-builtins.def: New file.
12950 * tree-iterator.c (expr_only): Clarify comment.
12951 * c-common.h (pushdecl_top_level, pushdecl,
12952 build_modify_expr, build_indirect_ref,
12953 c_finish_omp_master, c_finish_omp_critical,
12954 c_finish_omp_ordered, c_finish_omp_barrier,
12955 c_finish_omp_atomic, c_finish_omp_flush,
12956 c_finish_omp_for, c_split_parallel_clauses,
12957 omp_clause_default_kind, c_omp_sharing_predetermined,
12958 c_omp_remap_decl): Declare.
12959 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12960 (OBJS-common): Add omp-low.o.
12961 (c-omp.o, omp-low.o): Add.
12962 (gimplify.o): Add dependency on $(OPTABS_H).
12963 (GTFILES): Add omp-low.c.
12964 (gt-stringpool.h): Add.
12965 * tree-cfg.c (set_bb_for_stmt): Do not update the
12966 block-to-labels map if we are currently expanding to RTL.
12967 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12969 Handle IDENTIFIER_NODE.
12970 (tree_verify_flow_info): Do not ICE when emitting error
12971 messages about invalid labels.
12972 (dump_function_to_file): Reset CFUN before emitting the body
12974 (debug_function): New.
12975 * passes.c (init_optimization_passes): Schedule
12977 * langhooks-def.h (lhd_omp_predetermined_sharing,
12978 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12980 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12981 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12982 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12983 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12984 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12985 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12986 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12987 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12988 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12989 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12990 (LANG_HOOK_DECLS): Use them.
12992 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12993 Richard Henderson <rth@redhat.com>
12994 Jakub Jelinek <jakub@redhat.com>
12995 Diego Novillo <dnovillo@redhat.com>
12997 * c-parser.c (pragma_omp_clause): Define.
12998 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12999 (c_parser_compound_statement): Likewise.
13000 (c_parser_statement): Likewise.
13001 (c_parser_pragma): Handle omp pragmas.
13002 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13003 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13004 (c_parser_omp_clause_name, check_no_duplicate_clause,
13005 c_parser_omp_variable_list,
13006 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13007 c_parser_omp_clause_copyprivate,
13008 c_parser_omp_clause_default,
13009 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13010 c_parser_omp_clause_lastprivate,
13011 c_parser_omp_clause_nowait,
13012 c_parser_omp_clause_num_threads,
13013 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13014 c_parser_omp_clause_reduction,
13015 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13016 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13017 c_parser_omp_atomic, c_parser_omp_barrier,
13018 c_parser_omp_critical, c_parser_omp_flush,
13019 c_parser_omp_for_loop, c_parser_omp_for,
13020 c_parser_omp_master, c_parser_omp_ordered,
13021 c_parser_omp_sections_scope, c_parser_omp_sections,
13022 c_parser_omp_parallel, c_parser_omp_single,
13023 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13024 * c-pragma.c (init_pragma): Do omp pragma registration here.
13025 * c.opt (fopenmp): New flag.
13027 2006-01-18 Eric Christopher <echristo@apple.com>
13029 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13030 * config/darwin.h (GOMP_SELF_SPECS): Define.
13032 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13034 * rtl.h: Remove the prototype for reg_alloc.
13036 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13039 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13040 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13041 sjlj and dwarf2 exception handling.
13042 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13043 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13044 * pa/pa.c (function_value): Treat complex and vector types as
13046 (function_arg): Likewise. Only pass scalar floats in the floating
13047 point argument registers.
13048 * pa/t-slibgcc-dwarf-ver: New file.
13049 * pa/t-slibgcc-sjlj-ver: New file.
13050 * pa/t-slibgcc-elf-ver: Delete file.
13052 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13054 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13055 unlikely_test_section_p test.
13057 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13059 * mode-switching.c (optimize_mode_switching): Make it static.
13060 * basic-block.h: Remove the prototype for
13061 optimize_mode_switching.
13063 * modulo-sched.c (sms_schedule): Make it static.
13064 * rtl.h: Remove the prototype for sms_schedule.
13066 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13067 * rtl.h: Remove the prototype for gcse_after_reload_main.
13069 * reg-stack.c (reg_to_stack): Make it static.
13070 * rtl.h: Remove the prototype for reg_to_stack.
13072 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13074 * rtl.h: Remove the prototypes for regrename_optimize and
13075 copyprop_hardreg_forward.
13077 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13079 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13080 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13081 Test against the appropriate null constant for the mode.
13082 If 'fixup_overlap' is true, swap the operands if they overlap.
13083 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13084 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13085 alpha_split_tmode_pair and adjust for above change.
13086 * config/alpha/alpha.md (movtf_internal): Adjust call to
13087 alpha_split_tfmode_pair and rely on it to swap the operands.
13088 (movti_internal): New insn and post-reload splitter.
13089 (movti): New expander.
13091 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13093 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13096 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13098 * rtlanal.c (global_reg_mentioned_p_1,
13099 global_reg_mentioned_p): Remove.
13100 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13102 * flow.c (initialize_uninitialized_subregs): Make it static.
13103 * rtl.h: Remove the prototype for
13104 initialize_uninitialized_subregs.
13106 * function.c (instantiate_virtual_regs): Make it static.
13107 * function.h: Remove the prototype for
13108 instantiate_virtual_regs.
13110 * regmove.c (regmove_optimize, combine_stack_adjustments):
13112 * rtl.h: Remove the prototypes for regmove_optimize and
13113 combine_stack_adjustments.
13115 2006-01-17 Roger Sayle <roger@eyesopen.com>
13117 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13118 (size_cost): Encode costs in bytes so that a reg-reg addition is
13119 equivalent to COSTS_N_INSNS(1).
13120 (override_options): Use the size_cost.branch_cost as the default
13121 ix86_branch_cost when optimizing for size.
13123 2006-01-18 Ben Elliston <bje@au.ibm.com>
13125 * Makefile.in (D32PBIT_FUNCS): New.
13126 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13127 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13128 D64PBIT_FUNCS and D128PBIT_FUNCS.
13129 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13130 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13132 (decnumber_dep): Define.
13133 * doc/libgcc.texi (Decimal float library routines): New node.
13134 * config/dfp-bit.h, config/dfp-bit.c: New files.
13136 2006-01-18 Ben Elliston <bje@au.ibm.com>
13138 * expr.c (emit_move_change_mode): Always adjust addresses, not
13139 just during reload. Copy replacements only during reload.
13140 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13141 emit_move_via_integer.
13143 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13145 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13146 instead of $(srcdir) and ${srcdir}.
13148 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13151 PR middle-end/11135
13152 * arm.h (struct machine_function): Add pic_reg.
13153 * arm.c (arm_pic_register): Make unsigned.
13154 (arm_override_options): Only set arm_pic_register if
13155 TARGET_SINGLE_PIC_BASE.
13156 (use_return_insn): Only test for a pic register if it is fixed.
13157 (arm_compute_save_reg0_reg12_mask): Likewise.
13158 (thumb_compute_save_reg_mask): Likewise.
13159 (legitimate_pic_operand): Factor out some known invariants.
13160 (legitimize_pic_address): If we don't have a fixed pic register,
13161 then set up a pseudo in the function entry sequence. Handle the
13162 pic base being in a pseudo.
13163 (arm_load_pic_register): Handle the pic register being in a pseudo.
13164 (arm_expand_prologue): Only set up the pic register if it is fixed.
13165 (thumb_expand_prologue): Likewise.
13166 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13167 (pic_load_addr_based_insn): Likewise.
13168 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13171 2006-01-18 Ben Elliston <bje@au.ibm.com>
13173 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13174 decimal float modes for all floating point registers.
13176 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13177 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13179 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13182 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13183 even when the pointer is not NULL.
13185 2006-01-16 Ian Lance Taylor <ian@airs.com>
13187 * common.opt (ftoplevel-reorder): New option.
13188 * cgraph.c (cgraph_asm_nodes): New global variable.
13189 (cgraph_asm_last_node): New static variable.
13190 (cgraph_order): New global variable.
13191 (cgraph_create_node): Set new order field.
13192 (cgraph_varpool_node): Likewise.
13193 (decide_is_variable_needed): Return true if not
13194 flag_toplevel_reorder.
13195 (cgraph_add_asm_node): New function.
13196 * cgraph.h (struct cgraph_node): Add order field.
13197 (struct cgraph_varpool_node): Add order field.
13198 (struct cgraph_asm_node): Define.
13199 (cgraph_asm_nodes, cgraph_order): Declare.
13200 (cgraph_add_asm_node): Declare.
13201 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13203 (cgraph_varpool_assemble_pending_decls): Call it.
13204 (cgraph_output_pending_asms): New static function.
13205 (cgraph_finalize_compilation_unit): Call it.
13206 (struct cgraph_order_sort): Define.
13207 (cgraph_output_in_order): New static function.
13208 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13209 !flag_toplevel_reorder case.
13210 * c-parser.c: Include "cgraph.h".
13211 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13213 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13214 than -fno-unit-at-a-time.
13215 * doc/invoke.texi (Option Summary): Mention
13216 -fno-toplevel-reorder.
13217 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13218 -funit-at-a-time documentation.
13220 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13221 Kazu Hirata <kazu@codesourcery.com>
13223 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13225 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13227 * Makefile.in (FUNCTION_H): New. Use it instead of
13228 function.h throughout the file.
13229 * function.h: Include tree.h.
13231 2006-01-17 Ben Elliston <bje@au.ibm.com>
13233 * recog.c: Separate some functions with whitespace.
13235 2006-01-16 Richard Henderson <rth@redhat.com>
13237 Merge from gomp branch:
13238 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13239 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13240 and rename from struct inline_data. Rename callee* to dst*;
13241 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13242 transform_new_cfg, transform_return_to_modify, and
13243 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13245 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13246 (copy_decl_for_dup): Remove.
13247 * tree-inline.c (struct inline_data): Move to header.
13248 (insert_decl_map): Export.
13249 (remap_decl): Update for member name changes. Use copy_decl hook.
13250 Allow for replacement to be a non-decl. Remove dead code.
13251 (remap_type_1): Check for existing mapping.
13252 (remap_type): Export.
13253 (remap_decls): Update for member name changes.
13254 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13255 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13256 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13257 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13258 (tree_function_versioning, build_duplicate_type): Likewise.
13259 (copy_body_r): Likewise. Export.
13260 (copy_decl_for_dup): Split into ...
13261 (copy_decl_for_dup_finish, copy_decl_to_var,
13262 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13263 (replace_ref_tree, inlining_p): Remove.
13265 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13267 * ifcvt.c (if_convert): Make it static.
13268 * rtl.h: Remove the prototype for if_convert.
13270 * local-alloc.c (local_alloc): Make it static.
13271 * rtl.h: Remove the prototype for local_alloc.
13273 * loop.c (loop_optimize): Make it static.
13274 * cfgloop.h: Remove the prototype for loop_optimize.
13277 2006-01-16 DJ Delorie <dj@redhat.com>
13279 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13282 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13284 * pa.md: Disparage copies between general and floating-point registers
13285 in 32-bit move patterns.
13287 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13290 * Makefile.in (check-%): Depend on site.exp instead of
13291 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13294 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13296 * global.c (global_alloc): Make it static.
13297 * rtl.h: Remove the prototype for global_alloc.
13299 2006-01-16 Richard Guenther <rguenther@suse.de>
13301 * tree-ssa-alias.c (struct used_part): Add write_only field.
13302 (get_or_create_used_part_for): Initialize it to true.
13303 (create_overlap_variables_for): Don't create structure variables
13304 for structures that only are written to.
13305 (find_used_portions): Handle MODIFY_EXPR to track whether a
13306 structure is only written to.
13308 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13310 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13312 * basic-block.h: Remove the prototype for
13313 partition_hot_cold_basic_blocks.
13315 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13317 * cppspec.c (lang_specific_spec_functions): Remove.
13318 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13319 * gcc.h (lang_specific_spec_functions): Remove.
13320 * gccspec.c (lang_specific_spec_functions): Remove.
13322 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13324 * combine.c (record_value_for_reg): Invalidate registers
13326 (record_dead_and_set_regs_1): Likewise, by passing them to
13327 record_value_for_reg.
13328 (record_dead_and_set_regs): Invalidate stores made by a
13329 call. We do not combine across a call, but we still
13330 relied on equivalences.
13332 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13334 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13335 vrp_int_const_binop returning non-constant nodes.
13337 2006-01-16 Paul Brook <paul@codesourcery.com>
13339 * config/m68k/m68k.c (output_move_const_into_data_reg):
13340 Output correct mnemonic for mvz and mvs.
13342 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13344 * rtl-factoring.c: Add sequence abstraction algorithm.
13345 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13346 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13348 (block_has_preserve_label): New function.
13349 * common.opt: Register new pass.
13350 * Makefile.in: Ditto.
13352 * timevar.def: Ditto.
13353 * tree-pass.h: Ditto.
13354 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13355 * rtl.h (make_jump_insn_raw): Add forward decl.
13356 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13358 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13359 Roger Sayle <roger@eyesopen.com>
13361 * fold-const.c (fold_minmax): New static function.
13362 (fold_binary) <MIN_EXPR>: Call it.
13363 <MAX_EXPR>: Likewise.
13364 * stor-layout.c (place_field): Use DECL_SIZE consistently
13365 in the computation of the new record size.
13367 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13369 * cse.c (cse_condition_code_reg): Make it static.
13370 * rtl.h: Remove the prototype for cse_condition_code_reg.
13372 * combine.c (combine_instructions): Make it static.
13373 * rtl.h: Remove the prototype for combine_instructions.
13375 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13378 * tree.c (get_file_function_name_long): Concatenate the first global
13379 object name with a string derived from the input filename of the object
13382 2006-01-16 Ben Elliston <bje@au.ibm.com>
13384 * config/i386/winnt-stubs.c: Update FSF address.
13385 * config/xtensa/ieee754-df.S: Ditto.
13386 * config/xtensa/ieee754-sf.S: Ditto.
13388 2006-01-14 Ian Lance Taylor <ian@airs.com>
13390 * ifcvt.c (noce_init_if_info): New static function, broken out of
13391 noce_process_if_block.
13392 (noce_process_if_block): Call noce_init_if_info.
13393 (check_cond_move_block): New static function.
13394 (cond_move_process_if_block): New static function.
13395 (process_if_block): Call cond_move_process_if_block.
13397 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13399 * cselib.c (hash_table): Rename to cselib_hash_table.
13400 (cselib_clear_table, discard_useless_values,
13401 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13402 cselib_init, cselib_finish): Adjust uses of hash_table.
13404 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13406 PR tree-optimization/25485
13407 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13408 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13409 is known to be false and true, respectively.
13411 2006-01-14 Richard Guenther <rguenther@suse.de>
13413 PR tree-optimization/22548
13414 PR tree-optimization/22555
13415 PR tree-optimization/22501
13416 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13417 * params.def (salias-max-array-elements): New parameter.
13418 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13419 * doc/invoke.texi (salias-max-array-elements): Document.
13420 * tree-flow-inline.h (var_can_have_subvars): We also handle
13422 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13424 * tree-ssa-structalias.c (params.h): Include.
13425 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13426 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13427 (get_constraint_for): For ADDR_EXPR operating on something
13428 containing an ARRAY_REF, add all subvars to the solution.
13429 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13430 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13431 for creating MUST_DEFs.
13432 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13434 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13436 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13438 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13439 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13440 number_of_iterations_le): New functions.
13441 (number_of_iterations_special): Removed.
13442 (number_of_iterations_exit): Do not use number_of_iterations_special.
13443 * tree.c (unsigned_type_for): Always return integer type.
13445 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13446 Richard Guenther <rguenther@suse.de>
13448 PR rtl-optimization/24257
13449 * gcse.c (find_moveable_store): Only consider a store movable
13450 when the SET_SRC of the insn can be assigned to a register.
13452 2006-01-14 Ian Lance Taylor <ian@airs.com>
13454 * tree.c (tree_not_class_check_failed): New function.
13455 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13456 (tree_not_class_check_failed): Declare.
13458 2006-01-13 Ian Lance Taylor <ian@airs.com>
13460 * reload1.c (do_output_reload): Add assertion rejecting a
13463 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13465 * combine.c (struct reg_stat): Add new fields truncation_label and
13467 (record_value_for_reg): Reset truncated_to_mode.
13468 (record_truncated_value): New function.
13469 (check_promoted_subreg): Call it. Rename to check_conversions.
13470 (combine_instructions): Rename check_promoted_subreg to
13472 (reg_truncated_to_mode): New function.
13473 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13474 (gen_lowpart_or_truncate): New function.
13475 (force_to_mode): Use it instead of gen_lowpart.
13477 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13479 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13480 VAR is a tag, not its type tag.
13482 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13484 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13485 alternatives to match style of other entries.
13486 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13488 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13490 PR tree-optimization/25771
13491 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13494 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13497 * tree-inline.c (declare_return_variable): If the return variable
13498 was marked as a non gimple complex, set the return slot variable
13499 to be a non gimple comple variable.
13501 2006-01-13 Richard Guenther <rguenther@suse.de>
13503 * builtins.c (expand_builtin_sincos): New function.
13504 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13506 (expand_builtin): Expand sincos using expand_builtin_sincos.
13508 2006-01-12 DJ Delorie <dj@redhat.com>
13510 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13511 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13512 so that constant shifts can be split.
13513 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13514 (m32c_valid_pointer_mode): Make static.
13515 (shift_gen_func_for): New.
13516 (m32c_prepare_shift): Use it. Split large const shifts into
13518 * config/m32c/predicates.md (shiftcount_operand): Allow more
13520 (longshiftcount_operand): New.
13521 * doc/md.texi (Machine Constraints): Document In6.
13523 2006-01-13 Ben Elliston <bje@au.ibm.com>
13525 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13526 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13529 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13531 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13532 to try to avoid clobbering pieces of structures when we know
13533 something about the whole structure.
13534 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13536 2006-01-13 Ben Elliston <bje@au.ibm.com>
13538 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13539 return in memory, as this is no limitation is no longer present.
13541 2006-01-12 DJ Delorie <dj@redhat.com>
13543 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13544 mova with fb, and for fb+0 -> An.
13546 * config/m32c/mov.md (peephole2): Fix enabling logic.
13548 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13549 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13550 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13551 FINI_ARRAY_SECTION_ASM_OP): Define.
13553 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13555 (m32c_legitimize_reload_address): New logic to reload FB to An.
13556 (m32c_output_reg_push): Add newline.
13557 (m32c_output_reg_pop): Likewise.
13559 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13561 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13563 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13565 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13567 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13569 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13572 2006-01-11 Ben Elliston <bje@au.ibm.com>
13574 * rtlanal.c (find_reg_note): Assert insn is not null.
13576 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13578 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13581 2006-01-11 Jeff Law <law@redhat.com>
13583 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13585 (mark_threaded_blocks, register_jump_thread): New functions.
13586 (thread_through_all_blocks): Remove unwanted argument. No
13587 longer rely on e->aux to communicate thread target info.
13588 Call mark_threaded_blocks. Release the threaded_blocks
13589 bitmap and threaded_edges vector when complete.
13590 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13591 (threaded_blocks): Remove.
13592 (tree_ssa_dominator_optimize): Remove initialization and
13593 finalization of threaded_blocks. Simplify call to
13594 thread_through_all_blocks.
13595 (thread_across_edge): Call register_jump_thread rather than
13596 storing thread information into e->aux.
13597 (free_all_edge_infos): Simplify now that e->aux is no longer
13598 used to communicate with thread_through_all_blocks.
13599 * tree-flow.h (thread_through_all_blocks): Update prototype.
13600 (register_jump_thread): Prototype.
13602 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13604 * df-core.c (df_compact_blocks, df_bb_replace): Use
13605 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13607 2006-01-11 Richard Guenther <rguenther@suse.de>
13609 PR tree-optimization/25734
13610 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13611 stop propagation after successful propagation to the LHS.
13613 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13615 * basic-block.h (control_flow_graph): Change the type of
13616 x_basic_block_info to VEC(basic_block,gc) *.
13617 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13619 (SET_BASIC_BLOCK): New.
13620 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13621 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13622 * cfgbuild.c (find_basic_blocks): Likewise.
13623 * cfglayout.c (fixup_reorder_chain): Likewise.
13624 * cfgrtl.c (create_basic_block_structure,
13625 rtl_create_basic_block): Likewise.
13626 * ifcvt.c (find_if_case_1): Likewise.
13627 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13630 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13632 * Makefile.in: Removed rotted odf.c entry.
13634 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13637 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13638 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13639 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13640 output pattern modifier, not %e.
13641 * config/cris/cris.c (cris_op_str): Update comment about pattern
13643 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13644 before falling through into...
13645 <case 'E'>: Redefined from old 'e' case.
13647 2006-01-11 Jan Hubicka <jh@suse.cz>
13650 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13652 2006-01-11 Jan Hubicka <jh@suse.cz>
13654 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13655 * i386.c (x86_decompose_lea): Kill.
13656 (ix86_rtx_costs): Kill.
13658 2006-01-11 Jan Hubicka <jh@suse.cz>
13660 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13661 * cgraph.h (cgraph_node): Add inline_decl.
13662 (cgraph_insert_node_to_hashtable): Declare.
13663 (save_inline_function_body): Declare.
13664 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13666 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13667 (cgraph_function_versioning): Update call of tree_function_versioning.
13668 (save_inline_function_body): New function.
13669 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13670 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13671 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13672 (cgraph_default_inline_p): Likewise.
13673 (cgraph_decide_inlining_incrementally): Likewise.
13674 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13675 (copy_bb): Kill saving; do updating of clones.
13676 (copy_cfg_body): Kill saving.
13677 (initialize_inlined-parameters): Likewise.
13678 (expand_call_inline): Likewise.
13680 (tree_function_versioning): New parameter "update_clones".
13681 (inlining_p): Kill saving.
13682 * tree-inline.h (tree_function_versioning): Update prototype.
13683 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13686 2006-01-11 Ian Lance Taylor <ian@airs.com>
13688 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13689 Allow undoing set of machine mode.
13690 (do_SUBST): Use enums instead of is_int.
13691 (do_SUBST_MODE): New function.
13692 (SUBST_MODE): New macro.
13693 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13694 reg and trying to replace reg_regno_rtx with a new register.
13695 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13696 (simplify_set): Use SUBST_MODE.
13697 (distribute_notes): Remove code that tried to update reg notes
13698 for regno_reg_rtx changes.
13700 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13702 PR tree-optimization/23109
13703 PR tree-optimization/23948
13704 PR tree-optimization/24123
13706 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13707 * tree-cfg.c (single_noncomplex_succ): New.
13708 * tree-flow.h (single_noncomplex_succ): Declare it.
13709 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13710 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13711 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13712 insert_bb, register_division_in, insert_reciprocals,
13713 replace_reciprocal, free_bb): New.
13714 (execute_cse_reciprocals_1): Rewritten.
13715 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13716 Do not commit any edge insertion. Always compute dominators and
13717 create the allocation pool.
13718 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13719 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13720 * targhooks.c (default_min_divistions_for_recip_mul): New.
13721 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13722 * passes.c (init_optimization_passes): Run recip after tree loop
13724 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13726 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13727 Kenneth Zadeck <zadeck@naturalbridge.com>
13729 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13730 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13731 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13732 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13733 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13734 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13735 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13736 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13737 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13738 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13739 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13740 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13741 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13742 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13743 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13744 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13745 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13746 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13747 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13748 DF_SCAN_POST_ALLOC): New macros.
13749 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13750 df_free_bb_function, df_local_compute_function, df_init_function,
13751 df_dataflow_function, df_confluence_function_0,
13752 df_confluence_function_n, df_transfer_function,
13753 df_finalizer_function, df_free_function, df_dump_problem_function,
13754 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13755 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13756 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13757 df_urec_bb_info, ) New types.
13758 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13760 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13761 df_analyze_simple_change_some_blocks,
13762 df_analyze_simple_change_one_block, df_compact_blocks,
13763 df_bb_replace, df_bb_regno_last_use_find,
13764 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13765 df_insn_regno_def_p, df_find_def, df_find_use,
13766 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13767 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13768 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13769 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13770 debug_df_chain, df_get_dependent_problem, df_chain_create,
13771 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13772 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13773 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13774 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13775 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13776 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13777 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13778 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13779 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13780 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13781 df_reorganize_refs, df_set_state, df_hard_reg_init,
13782 df_read_modify_subreg_p) New public functions.
13783 * df-core.c: The core dataflow solver and glue routines for rtl
13785 (df_init, df_add_problem, df_set_blocks, df_finish,
13786 df_hybrid_search_forward, df_hybrid_search_backward,
13787 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13788 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13789 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13790 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13791 df_reg_defined, df_find_use, df_reg_used, df_dump,
13792 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13793 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13794 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13795 debug_df_useno, reset_df_after_reload): New functions.
13796 * df-scan.c: The scanning fuctions, once in df.c, completely
13797 rewritten so that they now fully model the functionality of
13798 register usage at the backend.
13799 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13800 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13801 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13802 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13803 df_get_artificial_defs, df_get_artificial_uses,
13804 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13805 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13806 df_refs_delete, df_reorganize_refs, df_set_state,
13807 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13808 df_def_record_1, df_defs_record, df_uses_record,
13809 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13810 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13811 df_record_exit_block_uses, df_hard_reg_init): New functions.
13813 * df-problems.c: Seven concrete dataflow problems that use the
13814 scanning in df-scan.c and are solved by the engine in df-core.c.
13815 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13816 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13817 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13818 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13819 df_ru_free_bb_info, df_ru_alloc,
13820 df_ru_bb_local_compute_process_def,
13821 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13822 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13823 df_ru_transfer_function, df_ru_free, df_ru_dump,
13824 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13825 df_rd_free_bb_info, df_rd_alloc,
13826 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13827 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13828 df_rd_transfer_function, df_rd_free, df_rd_dump,
13829 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13830 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13831 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13832 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13833 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13834 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13835 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13836 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13837 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13838 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13839 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13840 df_urec_mark_reg_use_for_earlyclobber,
13841 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13842 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13843 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13844 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13845 df_chain_create_bb_process_use, df_chain_create_bb,
13846 df_chain_finalize, df_chain_free, df_chains_dump,
13847 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13848 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13849 df_reg_lifetime): New functions.
13850 * df.c: Deleted file.
13851 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13852 consistent with new df api.
13853 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13854 rest_of_handle_sms): Ditto.
13855 * web.c (unionfind_union, union_defs, entry_register, web_main):
13857 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13858 invariant_expr_equal_p, find_defs, check_dependencies,
13859 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13860 free_inv_motion_data, move_loop_invariants): Ditto.
13861 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13862 Update dependencies.
13863 (odf.c): Added defective entry that was deleted later in day.
13864 * sched-deps.c (sched_analyze_1): Ditto.
13866 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13868 * tree-ssa-operands.c (get_expr_operands): Record addressable
13869 variables directly. Do not call add_stmt_operands for CONST_DECLs
13871 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13872 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13874 2006-01-11 Ben Elliston <bje@au.ibm.com>
13876 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13877 function returns true in the positive case.
13879 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13882 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13883 for SI, DI, SF and DF modes. Add alternatives to copy between
13884 general and floating point registers to the 32-bit patterns.
13885 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13886 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13887 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13888 generating 64-bit code.
13889 * config/pa/pa.c (output_move_double): Handle copies between general
13890 and floating registers.
13892 2006-01-10 Stuart Hastings <stuart@apple.com>
13894 * config/i386/i386.md (set_got): Update.
13895 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13896 (builtin_setjmp_receiver): Mach-O support.
13897 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13898 (GOT_SYMBOL_NAME): Define.
13899 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13900 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13901 * config/i386/i386.c (override_options): Revise for Darwin.
13902 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13903 support. (darwin_x86_file_end): New. (output_set_got): Add label
13904 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13905 * config/i386/i386-protos.h (output_set_got): Likewise.
13906 * config/darwin.c (machopic_legitimize_pic_address): Update
13909 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13911 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13912 when MODE isn't BLKmode.
13914 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13916 PR rtl-optimization/25367
13917 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13919 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13922 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13923 for a negative bound.
13925 2006-01-10 Richard Guenther <rguenther@suse.de>
13927 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13928 Never override with anything constraint.
13930 2006-01-10 Jan Beulich <jbeulich@novell.com>
13932 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13933 256 bits when optimize_size.
13935 2006-01-10 Jan Beulich <jbeulich@novell.com>
13937 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13939 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13940 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13943 2006-01-10 Ben Elliston <bje@au.ibm.com>
13945 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13947 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13948 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13949 (USE_FP_FOR_ARG): Reject decimal float modes.
13950 (function_arg_advance): Likewise.
13951 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13952 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13953 point types in AltiVec vectors.
13954 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13955 (rs6000_libcall_value): Likewise.
13957 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13959 * config/xtensa/ieee754-df.S: New file.
13960 * config/xtensa/ieee754-sf.S: New file.
13961 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13962 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13963 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13965 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13967 * config/sh/predicates.md (binary_float_operator,
13968 binary_logical_operator, commutative_float_operator,
13969 equality_comparison_operator, greater_comparison_operator,
13970 less_comparison_operator, logical_operator,
13971 noncommutative_float_operator, shift_operator,
13972 symbol_ref_operand, unary_float_operator): Remove redundant
13975 2006-01-09 Jeff Law <law@redhat.com>
13977 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13978 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13979 now unused arguments. Callers updated.
13980 (eliminate_redundant_computations): Remove now unused arguments,
13982 (local_fold): Remove, no longer used.
13983 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13985 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13986 (simplify_cond): New function.
13987 (forward_propagate_into_cond): Call simplify_cond.
13989 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13991 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13992 (*vec_extractv2di_1_sse): New.
13994 2006-01-09 Ben Elliston <bje@au.ibm.com>
13996 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13998 2006-01-08 Richard Guenther <rguenther@suse.de>
14000 * tree-ssa-structalias.c (get_constraint_for): Remove
14001 anyoffset argument.
14002 (get_constraint_for_component_ref): Likewise.
14003 (do_deref): Likewise.
14004 (get_constraint_for): Likewise.
14005 (do_structure_copy): Likewise.
14006 (handle_ptr_arith): Likewise.
14007 (find_func_aliases): Likewise. Remove unused need_anyoffset
14010 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14011 Kaz Kojima <kkojima@gcc.gnu.org>
14013 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14014 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14015 (EXTRA_CONSTRAINT_C16): Remove.
14016 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14017 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14018 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14019 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14020 constants of SHmedia. Handle nested constant expressions of
14022 (andcosts): Fix the costs for SHmedia constants.
14023 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14024 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14025 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14026 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14027 (movv4hi_i, movv2si_i): Likewise.
14028 (movsi_const): Adjust the second operand of ior so to match with
14029 the Csu constraint.
14030 (movdi_const, movdi_const_32bit): Likewise.
14031 (movdi_const_16bit+1): Don't sign-extend LOW.
14032 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14034 (*double_shori): Fix the split condition. Use GEN_INT instead
14035 of get_int_mode calls. Mask lower 16-bit of the argument of
14037 (sym2GOTPLT): Remove.
14038 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14040 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14041 instead of EXTRA_CONSTRAINT_C16.
14043 2006-01-07 Ian Lance Taylor <ian@airs.com>
14044 David Edelsohn <edelsohn@gnu.org>
14046 PR rtl-optimization/25662
14047 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14048 for constant operands instead of simplify_gen_binary.
14049 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14050 after trying simplify_binary_operation
14052 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14054 * tree.c (iterative_hash_expr): Hash decls based on UID.
14056 2006-01-06 Eric Christopher <echristo@apple.com>
14058 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14059 (TARGET_UNWIND_EMIT): Fix spelling.
14060 * target.h (gcc_target): Add except_table_label.
14061 * except.c (output_function_exception_table): Use.
14062 * varasm.c (default_emit_except_table_label): New.
14063 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14065 (asm_out): Add here.
14066 * output.h (default_emit_except_table_label): Prototype.
14067 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14068 * config/darwin.c (darwin_emit_except_table_label): Define.
14069 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14071 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14073 PR tree-optimization/18527
14074 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14075 number_of_iterations_special, number_of_iterations_exit):
14076 Move base and step of an iv to a single structure. Add
14077 no_overflow flag, and use it in # of iterations analysis.
14078 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14079 folded_casts argument.
14080 (simple_iv): Pass base and step in a structure. Set no_overflow
14082 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14083 Evaluate expensiveness of computing # of iterations instead of
14084 the final expression.
14085 * tree-scalar-evolution.h (affine_iv): New structure.
14086 (simple_iv): Declaration changed.
14087 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14088 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14089 find_givs_in_stmt): Changed due to simple_iv change.
14091 2006-01-06 Jeff Law <law@redhat.com>
14094 * tree-cfg.c (bsi_replace): Rename final argument from
14095 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14096 change (stmt -> orig_stmt).
14097 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14098 (bsi_remove): Add new argument. Remove EH information
14100 (verify_eh_throw_table_statements): New function.
14101 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14103 * tree-optimize.c (execute_free_cfg_annotations): Verify
14104 the EH throw statement table after removing annotations.
14105 * except.h (verify_eh_throw_table_statements): Prototype.
14106 * tree-flow.h (bsi_remove): Update prototype.
14107 * tree-vrp.c (remove_range_assertions): Add new argument to
14109 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14110 * tree-complex.c (expand_complex_div_wide): Likewise.
14111 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14112 * tree-tailcall.c (eliminate_tailcall): Likewise.
14113 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14114 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14115 * tree-nrv.c (tree_nrv): Likewise.
14116 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14117 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14118 (combine_blocks): Likewise.
14119 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14120 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14121 (cleanup_control_flow): Likewise.
14122 (remove_forwarder_block): Likewise.
14123 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14124 * tree-sra.c (sra_replace): Likewise.
14125 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14126 (forward_propagate_single_use_vars): Likewise.
14127 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14128 * tree-inline.c (expand_call_inline): Likewise.
14129 * tree-vect-transform.c (vect_transform_loop): Likewise.
14130 * tree-outof-ssa.c (rewrite_trees): Likewise.
14131 * tree-cfg.c (make_goto_expr_edges): Likewise.
14132 (cleanup_dead_labels): Likewise.
14133 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14134 (bsi_move_before, bsi_move_after): Likewise.
14135 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14136 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14138 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14141 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14143 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14144 on non gimple variables. Also add checks at the top for decls and
14146 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14148 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14149 and IMAGPART_EXPR for creating MUST_DEFs.
14150 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14151 and NAME_MEMORY_TAG separately from the DECLs.
14153 2006-01-06 Richard Guenther <rguenther@suse.de>
14155 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14156 annotation, if necessary.
14157 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14158 redundant calls to update_stmt.
14159 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14162 2006-01-05 Richard Henderson <rth@redhat.com>
14164 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14166 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14168 * c-typeck.c: Update copyright date.
14170 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14172 * c-typeck.c (build_c_cast): Always warn when casting
14173 from a pointer to an integer of different size, even if
14174 the node was constant.
14176 2006-01-05 Richard Guenther <rguenther@suse.de>
14178 PR tree-optimization/22555
14179 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14180 if one structure field is an array.
14181 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14182 operands even if we found a subvar, but ignore VOPs in this
14184 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14186 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14188 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14190 PR middle-end/24998
14191 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14193 2006-01-05 Richard Guenther <rguenther@suse.de>
14194 Diego Novillo <dnovillo@redhat.com>
14196 * tree-pass.h (TODO_remove_unused_locals): Define.
14197 * gimple-low.c (expand_var_p, remove_useless_vars,
14198 pass_remove_useless_vars): Remove. Update all users.
14199 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14200 (remove_unused_locals): New function.
14201 * tree-flow.h (remove_unused_locals): Declare.
14202 * passes.c (execute_todo): Call remove_unused_locals if
14203 TODO_remove_unused_locals is set.
14204 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14205 * tree-ssa-dce.c (pass_dce): Likewise.
14206 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14208 2006-01-05 Richard Guenther <rguenther@suse.de>
14210 * tree-flow.h (struct fieldoff): Decompose field to
14211 type, size and decl.
14212 * tree-ssa-alias.c (create_sft): Take type as parameter.
14213 (create_overlap_variables_for): Store type, size and decl
14214 in the fieldoff structure.
14215 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14216 of struct fieldoff.
14217 (push_fields_onto_fieldstack): Likewise.
14218 (create_variable_info_for): Likewise. Use offset for the
14219 SFT name if the decl is not available.
14221 2006-01-04 Paul Brook <paul@codesourcery.com>
14223 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14225 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14227 * lambda-code.c (can_put_in_inner_loop): Relax
14229 (can_put_after_inner_loop): New function.
14230 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14231 (perfect_nestify): Change to make copies and modify uses.
14233 2006-01-04 Richard Henderson <rth@redhat.com>
14235 Merge from gomp branch:
14236 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14237 via integer constant.
14238 (pragma_lex): Remove.
14239 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14240 rather than parsing it.
14241 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14242 handle_pragma_extern_prefix): Add %< %> quotes.
14243 (registered_pragmas): New.
14244 (c_register_pragma_1): New.
14245 (c_register_pragma): Use it.
14246 (c_register_pragma_with_expansion): Likewise.
14247 (c_invoke_pragma_handler): New.
14248 (init_pragma): Use cpp_register_deferred_pragma directly for
14250 * c-pragma.h (enum pragma_kind): New.
14251 (pragma_handler): New.
14252 (c_invoke_pragma_handler): Declare.
14253 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14255 * c-common.h (c_common_pch_pragma): Update decl.
14256 * Makefile.in (c-parser.o): Update dependencies.
14257 (GTFILES): Add c-pragma.h.
14258 * c-parser.c (struct c_token): Add pragma_kind.
14259 (struct c_parser): Add in_pragma.
14260 (c_lex_one_token): Always initialize keyword and pragma_kind.
14261 Extract data for CPP_PRAGMA.
14262 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14263 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14264 Don't allow CPP_PRAGMA_EOL if in_pragma.
14265 (c_parser_consume_pragma): New.
14266 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14267 (c_parser_skip_to_end_of_parameter): Likewise.
14268 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14269 (c_parser_skip_to_pragma_eol): New.
14270 (c_parser_external_declaration): Handle CPP_PRAGMA.
14271 (c_parser_compound_statement_nostart): Likewise.
14272 (c_parser_statement_after_labels): Likewise.
14273 (c_parser_pragma): New.
14274 (pragma_lex): Likewise.
14275 (c_parser_pragma_pch_preprocess): New.
14276 (c_parser_new): Merge into ...
14277 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14279 2006-01-04 Jeff Law <law@redhat.com>
14282 * tree-cfg.c (bsi_replace): Remove the original statement
14283 from the EH throw statement table.
14285 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14287 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14288 make the prototype extern "C" and add throw ().
14291 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14292 and pos non-negative and pos + len <= 32.
14293 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14294 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14295 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14298 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14299 as well as sizes not multiple of component size.
14302 * function.c (instantiate_expr): New function.
14303 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14304 walk its DECL_VALUE_EXPR with instantiate_expr.
14306 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14307 DW_OP_deref{,_size} if address isn't going to be added.
14309 2006-01-04 Ben Elliston <bje@au.ibm.com>
14311 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14312 * config/fp-bit.c: Likewise.
14314 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14316 * dominance.c: Add comment about why we use DFS numbering
14319 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14320 Richard Henderson <rth@redhat.com>
14322 Merge from gomp-branch:
14323 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14324 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14326 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14328 PR rtl-optimization/25578
14329 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14330 pass a parameter to simplify_shift_const if changing ASHIFTRT
14333 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14335 * builtins.c (get_builtin_sync_mem): New function.
14336 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14337 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14338 Call get_builtin_sync_mem to generate mem rtx.
14340 2006-01-03 Richard Guenther <rguenther@suse.de>
14343 * stmt.c (add_case_node): Make sure to clear overflow flags
14346 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14348 Merge from gomp-branch.
14349 * config/sparc/sync.md: New file.
14350 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14351 UNSPECV_LDSTUB): New constants.
14352 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14353 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14354 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14357 2006-01-03 Roger Sayle <roger@eyesopen.com>
14359 * combine.c (reg_subword_p): New predicate to test whether the
14360 destination of a set refers to a subword/piece of a register.
14361 (try_combine): Generalize the code to merge the setting of a
14362 pseudo to a constant followed by a set of a subword of that
14363 register to a constant.
14365 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14367 * basic-block.h (control_flow_graph): Change the type of
14368 x_label_to_block_map to VEC(basic_block,gc) *.
14369 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14370 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14372 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14373 VEC(basic_block,heap) *.
14374 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14375 ssa_prop_fini): Adjust the uses of cfg_blocks.
14377 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14379 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14381 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14382 hashing trees instead of a pointer hash.
14383 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14384 compare for MEM_EXPR.
14386 PR rtl-optimization/25130
14387 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14388 when comparing MEMs for GCSE
14390 2006-01-03 Ben Elliston <bje@au.ibm.com>
14392 * targhooks.h (default_decimal_float_supported_p): Declare.
14393 * targhooks.c (default_decimal_float_supported_p): Define.
14394 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14395 `default_decimal_float_supported_p'.
14396 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14398 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14400 * combine.c (apply_distributive_law <SUBREG>): Check
14401 TRULY_NOOP_TRUNCATION.
14403 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14405 * dwarf2out.c (have_switched_text_section): Delete.
14406 (have_multiple_function_sections): New.
14407 (have_location_lists): Make 'bool'.
14408 (add_AT_loc_list): Use 'true' not '1'.
14409 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14410 (output_loc_list): Use have_multiple_function_sections.
14411 (output_ranges): Likewise.
14412 (dwarf2out_begin_function): Set have_multiple_function_sections if
14414 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14415 Check function_section rather than DECL_SECTION_NAME.
14416 (dwarf2out_finish): Use have_multiple_function_sections.
14417 Don't clear have_location_lists.
14419 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14420 Jan Hubicka <jh@suse.cz>
14422 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14423 case of conditional jump jumping to the next instruction.
14424 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14425 cases of conditional jump jumping to the next instruction.
14427 2006-01-02 Jan Hubicka <jh@suse.cz>
14429 * i386.c (*_cost): Add COSTS_N_INSNS.
14430 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14432 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14435 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14437 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14439 * config/arm/arm.c (all_fpus): Fix comment typo.
14440 * config/darwin.c: Likewise.
14441 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14442 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14443 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14445 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14447 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14448 (rs6000_split_compare_and_swapqhi): New.
14449 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14450 (sync_compare_and_swapqhi_internal): New.
14451 * config/rs6000/rs6000-protos.h: Declare.