1 2006-08-27 Roger Sayle <roger@eyesopen.com>
3 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
6 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8 * config/i386/crtfastmath.c: Fix a comment typo.
10 2006-08-26 Roger Sayle <roger@eyesopen.com>
12 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
13 temporary visit flags on CASE_LABEL_EXPRs.
14 * c-common.c (match_case_to_enum): Add function comment. Avoid
15 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
16 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
17 CASE_HIGH_SEEN for enumerated types. If the switch expression is
18 a constant, only warn if that constant value isn't handled.
20 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
23 * input.h (restore_input_file_stack): Declare.
24 (INPUT_FILE_STACK_BITS): Define.
25 * toplev.c (fs_p, input_file_stack_history,
26 input_file_stack_restored, restore_input_file_stack): New.
27 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
28 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
29 (pop_srcloc): Don't free old state of stack.
31 2006-08-26 David Edelsohn <edelsohn@gnu.org>
34 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
35 (PowerPC Type Attributes): New.
37 2006-08-26 Bob Wilson <bob.wilson@acm.org>
39 * config/xtensa/xtensa.c (function_arg_boundary): New.
40 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
42 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
43 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
45 2006-08-26 Jakub Jelinek <jakub@redhat.com>
48 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
51 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
53 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
54 (verify_local_live_at_start): Likewise.
56 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
59 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
60 omp_add_variable): Treat sizes as variable whenever not
63 2006-08-26 Richard Guenther <rguenther@suse.de>
66 * fold-const.c (fold_binary): Fold temporary to correct
67 type before constructing new comparison.
69 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
72 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
73 variable again if DECL_SEEN_IN_BIND_EXPR_P.
75 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
78 * c-decl.c (start_function): Don't try to process prototype
79 information from old declaration that isn't a function.
81 2006-08-25 Jan Hubicka <jh@suse.cz>
84 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
86 2006-08-25 Alan Modra <amodra@bigpond.net.au>
89 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
92 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
94 PR tree-optimization/16876
95 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
96 exit if PARM doesn't match VALUE.
98 2006-08-25 Bob Wilson <bob.wilson@acm.org>
100 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
101 literal_prefix directive.
102 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
103 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
104 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
106 2006-08-25 David Edelsohn <edelsohn@gnu.org>
109 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
110 predicate to general_operand. Add 0->y and I->r alternatives.
112 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
114 * doc/tm.texi: Fix a typo.
115 * predict.c: Fix comment typos.
117 2006-08-25 Nick Clifton <nickc@redhat.com>
119 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
120 assertions of "cpu" and "machine".
122 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
125 * tree-ssa-operands.c (access_can_touch_variable): Don't say
126 the access through a base which has an alias set of 0 cannot
129 2006-08-24 Bill Wendling <wendling@apple.com>
131 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
133 2006-08-24 Jan Hubicka <jh@suse.cz>
135 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
137 2006-08-24 Jan Hubicka <jh@suse.cz>
140 * cgraph.c: Fix comments.
141 (cgraph_varpool_mark_needed_node): Mark only variables not already
143 * cgraphunit.c: Update comments; include gt-cgraphunit.h
144 (cgraph_varpool_assembled_nodes_queue): New static variable.
145 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
146 (cgraph_varpool_output_debug_info): New function.
147 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
148 * Makefile.in: Add gt-cgraphunit.h
150 2006-08-24 Jan Hubicka <jh@suse.cz>
152 * predict.c (probability_reliable_p): New predicate.
153 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
154 (predict_loops): Do not predict loop exit with less than 2%
156 * basic-block.h (edge_probability_reliable_p,
157 br_prob_note_reliable_p): Declare.
158 * ia64.h (ia64_print_operand): Do not disable on-chip branch
159 prediction when static predictor is not reliable.
160 * rs6000.c (output_cbranch): Likewise.
162 2006-08-23 Stuart Hastings <stuart@apple.com>
165 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
166 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
168 2006-08-21 Geoffrey Keating <geoffk@apple.com>
171 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
172 complex values, nor for generic vector values.
174 2006-08-22 Richard Guenther <rguenther@suse.de>
177 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
178 parameter. Convert arguments to arithmetic expression to the
180 (analyze_scalar_evolution_1): Adjust caller.
182 2006-08-22 Jan Hubicka <jh@suse.cz>
184 Patch by Paolo Bonzini
185 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
188 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
190 PR tree-optimization/28003
191 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
192 before grouping aliases.
194 2006-08-22 Roger Sayle <roger@eyesopen.com>
196 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
197 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
199 2006-08-21 Jason Merrill <jason@redhat.com>
202 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
203 wrapper. Loop to handle nested wrappers.
204 (gimplify_bind_expr): Remove temp parameter.
205 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
206 and STATEMENT_LIST on the rhs.
207 (gimplify_statement_list): Voidify the STATEMENT_LIST.
208 (gimplify_expr): Pass pre_p to gimplify_statement_list.
209 (gimplify_target_expr): Remove special BIND_EXPR handling.
211 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
213 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
216 2006-08-21 Olivier Hainque <hainque@adacore.com>
218 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
219 Arrange for the temporary captures of components overlapping the lhs
220 to happen before the lhs is possibly cleared.
222 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
224 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
225 necessary places to pass the correct "number of registers" values
228 2006-08-20 Jan Hubicka <jh@suse.cz>
230 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
231 (create_name_tags): Instead of quadratic checking use hashtable.
232 * bitmap.h: Include hashtab.h.
233 (bitmap_hash): Declare.
234 * bitmap.c (bitmap_hash): New function.
236 2006-08-20 Jan Hubicka <jh@suse.cz>
238 PR rtl-optimization/28071
239 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
241 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
242 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
243 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
244 cgraph_decide_inlining_incrementally): Update use of
245 cgraph_check_inline_limits.
246 * cgraph.c (edge_hash, edge_eq): New function.
247 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
248 cgraph_edge_remove_caller, cgraph_node_remove_callees,
249 cgraph_remove_node): Maintain call site hash.
250 * cgraph.h (struct cgraph_node): Add call_site_hash.
251 (cgraph_set_call_stmt): New function.
253 2006-08-20 Jan Hubicka <jh@suse.cz>
255 PR rtl-optimization/28071
256 * reload1.c (reg_has_output_reload): Turn into regset.
257 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
258 choose_reload_regs, emit_reload_insns): Update to new
259 reg_has_output_reload.
261 2006-08-20 Jan Hubicka <jh@suse.cz>
264 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
266 * cgraphunit.c (cgraph_analyze_function): Don't do so.
268 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
271 * tree.c (handle_dll_attribute): Return early if not a
272 var or function decl.
274 2006-08-18 Joseph Myers <joseph@codesourcery.com>
277 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
278 alignment of SPE vector types.
280 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
282 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
284 2006-08-17 Jakub Jelinek <jakub@redhat.com>
287 * cgraph.h (struct cgraph_node): Remove externally_visible
289 * cgraphunit.c (process_function_and_variable_attributes): Set
290 local.externally_visible rather than externally_visible.
293 * c-common.c (handle_externally_visible_attribute): First look
294 at TREE_CODE and only if it is function or var decl, check for
295 non-public objects. Don't warn for DECL_EXTERNAL.
296 * cgraphunit.c (process_function_and_variable_attributes): Warn
297 if externally_visible attribute is used on non-public object.
299 2006-08-17 Jan Hubicka <jh@suse.cz>
301 PR tree-optimization/27865
302 * reload1.c (forget_marked_reloads): New function.
303 (forget_old_reloads_1): When data are passed, just mark the registers
305 (reload_as_needed): Use the new mechanizm.
307 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
310 * reload.h (reg_equiv_alt_mem_list): New declaration.
311 * reload1.c (reg_equiv_alt_mem_list): New definition.
312 (reload): Initialize it and release it.
313 (delete_output_reload): Use it.
314 * reload.c (push_reg_equiv_alt_mem): New function.
315 (find_reloads_toplev): Call it.
316 (find_reloads_address, find_reloads_address_1): Likewise.
317 (find_reloads_subreg_address): Likewise.
319 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
321 PR rtl-optimization/28489
322 * sched-ebb.c (begin_schedule_ready): Create basic block
324 (advance_target_bb): Skip empty blocks.
325 * haifa-sched.c (bb_note): Make global.
326 * sched-int.h (bb_note): Add prototype.
328 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
330 PR tree-optimization/27865
331 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
333 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
334 fold_used_pointer, pointer_used_p): New functions.
335 (analyze_scalar_evolution_1): Use fold_used_pointer.
336 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
337 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
340 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
343 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
344 or the INTEGER_CST. Fail on a CALL_EXPR.
345 (fold_offsetof): Pass new argument to fold_offsetof_1.
346 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
347 operand into an INDIRECT_REF.
348 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
350 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
352 PR gcov/profile/26570
353 * value-prof.c (static_values): Removed.
354 (tree_find_values_to_profile): Do not set static_values.
355 (find_values_to_profile): Do not free static_values.
356 * profile.c (instrument_values): Do not free the values.
357 (branch_prob): Free the values.
359 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
361 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
363 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
366 * c-typeck.c (build_component_ref): Combine qualifiers of
367 structure or union and field.
369 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
371 PR rtl-optimization/28071
372 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
373 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
374 * tree-into-ssa.c (struct dom_dfsnum): New.
375 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
377 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
378 compute_global_livein.
379 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
380 in phi nodes in the correct blocks.
382 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
384 PR tree-optimization/28364
385 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
387 (fold_affine_expr): New function.
388 (may_eliminate_iv): Use fold_affine_expr.
390 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
393 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
396 2006-08-16 Mike Stump <mrs@apple.com>
398 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
399 * doc/cppopts.texi (-MD): Likewise.
401 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
404 * c-common.c (handle_weak_attribute): Ignore and warn if
405 not a FUNCTION_ or VAR_DECL.
407 2006-07-15 Mike Stump <mrs@apple.com>
410 * c-parser.c (c_parser_typeof_specifier): Don't use
411 c_finish_expr_stmt, open code desired semantics instead.
413 2006-08-15 Nick Clifton <nickc@redhat.com>
415 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
416 fragment to tmake_file only if threads are enabled.
417 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
418 * config/i386/t-gthr-win32: New file. ... here.
420 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
423 * c-parser.c (c_parser_compound_statement_nostart): Reset
424 parser->error after each statement.
426 2006-08-15 Jakub Jelinek <jakub@redhat.com>
429 * omp-low.c (lower_omp_parallel): Convert t to
430 receiver_decl's type.
431 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
432 source before comparison.
435 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
436 to itype in assignment to oldival2.
438 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
442 * c-typeck.c (build_compound_expr): If the second expression
443 is an error mark, then just return an error mark instead of
444 creating a COMPOUND_EXPR.
446 2006-07-14 Mike Stump <mrs@apple.com>
448 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
450 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
452 * c-decl.c, var-tracking.c: Fix comment typos.
454 2006-08-14 Richard Sandiford <richard@codesourcery.com>
456 PR rtl-optimization/28634
457 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
458 for floating-point modes unless flag_unsafe_math_optimizations.
460 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
461 Andrew Pinski <pinskia@physics.uc.edu>
464 * tree.c (build_array_type): Unify array types with
465 unspecified index_type.
466 * c-decl.c (grokdeclarator): Make sure we do not modify a
467 unified incomplete array type.
468 * c-typeck.c (store_init_value): Create distinct type before
469 filling in the index type in an initializer from a compound
472 * c-decl.c (grokdeclarator): Remove code where we copy the
475 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
477 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
478 into account for TODO_dump_cgraph.
479 (TODO_update_ssa_no_phi): Likewise.
480 (TODO_update_ssa_full_phi): Likewise.
481 (TODO_update_ssa_only_virtuals): Likewise.
482 (TODO_remove_unused_locals): Likewise.
483 (TODO_set_props): Likewise.
484 (TODO_update_stmt_usage): Likewise.
486 2006-08-13 Dirk Mueller <dmueller@suse.de>
488 * c-common.c (strict_aliasing_warning): Fix formatting.
490 2006-08-13 Matthias Klose <doko@debian.org>
492 * doc/invoke.texi: Fix spelling errors.
494 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
496 PR rtl-optimization/23454
497 * reorg.c (relax_delay_slots): Update comment.
499 2006-08-11 Richard Guenther <rguenther@suse.de>
502 * simplify-rtx.c (simplify_const_relational_operation):
503 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
506 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
508 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
509 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
511 2006-08-10 Paul Brook <paul@codesourcery.com>
513 * final.c (final_scan_insn): Clear current_insn_predicate before
514 outputting inline asm.
516 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
518 PR tree-optimization/26197
519 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
520 get_ref_base_and_extent and overlap_subvar to add only relevant
521 subvars as may-aliases.
522 (add_may_alias_for_new_tag): New function, factored out of
524 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
525 with additional argument.
526 * tree-flow.h (new_type_alias): Takes additional argument.
528 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
530 * gcov.c (no_data_file): New flag.
531 (read_count_file): Set it if data file not present. Assume counts
533 (output_lines): Don't name the data file, if there wasn't one.
535 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
537 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
538 (rs6000_generate_compare): Tweak comments.
539 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
541 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
543 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
544 (var_debug_decl): New function.
545 (var_reg_set): Follow debug decl link. Add location even if
546 reg is already known to hold some other variable.
547 (var_mem_set): Follow debug decl link.
548 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
549 decl link. Delete other known locations of the variable part
551 (var_reg_delete, var_mem_delete): Delete other known locations
552 of the variable part if requested.
553 (same_variable_part_p): New function.
554 (add_stores): Select MO_COPY when appropriate.
555 (vt_initialize): Handle it.
556 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
557 known locations for MO_SET and MO_CLOBBER.
558 (find_variable_location_part): New function.
559 (set_variable_part, delete_variable_part): Use it.
560 (clobber_variable_part): New function.
561 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
564 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
566 PR tree-optimization/26969
567 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
568 with an empty list of PHIs.
570 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
574 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
577 2006-08-06 Andreas Schwab <schwab@suse.de>
579 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
580 string. Whitespace and comment fixup.
582 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
585 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
589 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
592 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
594 2006-08-04 Jan Hubicka <jh@suse.cz>
598 * reload.c (push_reload): Patch out the mismatching instruction;
600 (find_reload): Bail out if the instruction was patched out.
602 2006-08-04 Jan Hubicka <jh@suse.cz>
604 PR tree-optimization/24888
605 * tree-inline.c (expand_call_inline): Do not re-record variables.
606 (declare_inline_vars): Add variable to unexpanded_var_list.
608 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
609 Roger Sayle <roger@eyesopen.com>
611 PR rtl-optimization/26244
612 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
613 inner_const are negative or greater than or equal to the bitsize of
614 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
615 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
616 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
617 CONST0_RTX (mode) when the new shift count is greater than or equal to
618 to the bitsize of the object being shifted and XEXP (y, 0) has no side
621 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
623 * tree-cfg.c: Fix a comment typo.
625 2006-08-03 Mark Mitchell <mark@codesourcery.com>
628 * varasm.c (output_constant): Give the front end another chance to
629 expand constants, after stripping NOPs.
631 2006-08-03 Jan Hubicka <jh@suse.cz>
633 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
636 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
638 PR tree-optimization/27770
639 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
640 declaration removed (moved to tree-flow.h).
641 (vect_can_force_dr_alignment_p): Likewise.
642 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
643 (moved from tree-vectorizer.h).
644 (vect_can_force_dr_alignment_p): Likewise.
645 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
646 from outside the vectorizer - in particular from cgraph stage.
647 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
648 the alignment of global arrays when -fsection-anchors is enabled.
649 * cgraphunit.c (cgraph_increase_alignment): New function.
650 (cgraph_optimize): Call cgraph_increase_alignment.
652 2006-08-03 David Edelsohn <edelsohn@gnu.org>
655 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
656 not reload a SPE symbol_ref into a lo_sum address.
658 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
661 * dwarf2out.c (prune_unused_types_prune): Move call to
662 prune_unused_types_update_strings to cover the parent DIE also.
664 2006-08-02 Jan Hubicka <jh@suse.cz>
666 PR gcov/profile/28480
667 * tree-cfg.c (change_bb_for_stmt): New function.
668 (tree_merge_blocks, tree_split_blocks): Use it.
670 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
676 * toplev.c (compile_file): Return early on errorcount or sorrycount.
677 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
678 (cgraph_optimize): Likewise.
680 2006-08-01 Stuart Hastings <stuart@apple.com>
682 * rtl.h (UINTVAL) New.
683 * config/rs6000/rs6000.c (SMALL_INT) Use it.
684 * testsuite/gcc.dg/20060801-1.c: New.
686 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
689 * c-typeck.c (build_external_type): Mark used enum types.
690 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
692 (gen_subprogram_die): Whitespace fix.
694 2006-08-01 Jan Hubicka <jh@suse.cz>
696 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
697 bitmap when not needed.
698 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
701 2006-08-01 Dirk Mueller <dmueller@suse.de>
703 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
705 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
707 * Makefile.in: Revert part of previous patch:
708 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
711 2006-07-30 Eric Christopher <echristo@apple.com>
714 * doc/extend.texi (i386 Variable Attributes): Add anchor.
715 (PowerPC Variable Attributes): New section.
717 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
719 PR target/28126 (partial fix)
720 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
722 2006-07-28 Jan Hubicka <jh@suse.cz>
724 PR rtl-optimization/28071
725 * cfgrtl.c (rtl_delete_block): Free regsets.
726 * flow.c (allocate_bb_life_data): Re-use regsets if available.
728 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
730 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
731 and variables used in dependencies.
733 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
735 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
736 %fs for -mcmodel=kernel.
737 (stack_tls_protect_test_di): Likewise.
739 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
741 * Makefile.in: Use mkinstalldirs.
743 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
746 * opts-common.c (prune_options): Skip joined switches.
748 2006-07-27 Jan Hubicka <jh@suse.cz>
750 PR rtl-optimization/28071
751 * cselib.c (cselib_process_insn): Don't remove useless values too
752 often for very large hashtables.
754 2006-07-27 Jan Hubicka <jh@suse.cz>
756 PR rtl-optimization/28071
757 * global.c (greg_obstack): New obstack.
758 (allocate_bb_info): Use it.
759 (free_bb_info): Likewise.
760 (modify_reg_pav): Likewise.
762 2006-07-27 Roger Sayle <roger@eyesopen.com>
764 * builtins.c (fold_fixed_mathfn): When long and long long are the
765 same size, canonicalize llceil*, llfloor*, llround* and llrint*
766 functions to their lceil*, lfloor*, lround* and lrint* forms.
768 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
771 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
773 (rev_branch_insn): Likewise.
775 2006-07-27 Jan Hubicka <jh@suse.cz>
777 PR rtl-optimization/28071
778 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
779 (reg_set_in_bb, max_reg_computed): New static variables.
780 (regmove_optimize): Free the new array.
781 (fixup_match_1): Update call of reg_is_remote_constant_p.
783 2006-07-26 Jan Hubicka <jh@suse.cz>
785 PR tree-optimization/27882
786 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
788 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
790 (cgraph_analyze_compilation_unit): Likewise.
791 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
792 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
793 (cgraph_early_inlinine): Make order garbage collected.
794 * Makefile.in (gt-ipa-inline): New garbagecollected file.
796 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
798 * dbxout.c (output_types_sort): Add a comment.
799 (output_used_types): Free the VEC.
801 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
803 * function.c (reorder_fix_fragments): Delete.
804 (reorder_blocks): Don't call it.
805 (reorder_blocks_1): Put all subblocks under the origin block.
807 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
809 PR rtl-optimization/27907
810 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
813 2006-07-25 Roger Sayle <roger@eyesopen.com>
816 * convert.c (convert_to_integer): When transforming (T)foo(x) into
817 bar(x) check that bar's result type can represent all the values of T.
819 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
821 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
823 2006-07-25 Nick Clifton <nickc@redhat.com>
825 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
827 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
828 (ggc_pch_count_object): Likewise.
829 (ggc_pch_alloc_object): Likewise.
830 (ggc_pch_write_object): Likewise.
831 (init_ggc): Do not attempt to initialize entries in the
832 size_lookup[] array for objects whose size is greater than than
833 the length of the array.
835 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
837 * dbxout.c (output_used_types_helper): Push queued types
839 (output_types_sort): New.
840 (output_used_types): Collect used types on a VEC and sort them
843 2006-07-24 Richard Guenther <rguenther@suse.de>
846 * cgraph.c (cgraph_remove_node): Do not check if dumps
848 * cgraphunit.c (cgraph_optimize): Likewise.
850 2006-07-24 Jan Hubicka <jh@suse.cz>
852 PR rtl-optimization/28071
853 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
854 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
855 splitting before first stmt.
857 2006-07-24 Jan Hubicka <jh@suse.cz>
859 PR rtl-optimization/28071
860 * ipa-inline.c (update_caller_keys): Remove edges that
861 are no longer inline candidates.
863 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
866 * dbxout.c (output_used_types_helper, output_used_types): New.
867 (dbxout_symbol): Call output_used_types.
869 2006-07-23 Jan Hubicka <jh@suse.cz>
873 * cgraph.c (cgraph_varpool_nodes): Export.
874 (decide_is_variable_needed): Ignored "used" attribute in
876 * cgraph.h (cgraph_varpool_nodes): Declare.
877 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
880 2006-07-23 Roger Sayle <roger@eyesopen.com>
883 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
884 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
885 the __gthrw form of thr_keycreate.
886 (__gthread_key_delete): Silence the unused argument warning.
888 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
891 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
892 Cache the last found '\0' marker to avoid quadratic behavior.
894 2006-07-23 Jan Hubicka <jh@suse.cz>
896 * i386.md (subsi_3_zext): Fix output template.
898 2006-07-21 Mike Stump <mrs@apple.com>
900 * doc/invoke.texi (C++ Dialect Options): Note that
901 -fvisibility-inlines-hidden doesn't affect explicitly
902 instantiationed inline methods.
904 2006-07-20 Roger Sayle <roger@eyesopen.com>
906 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
907 if the target assembler is GNU binutils' gas.
908 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
909 whether to pass GNU gas or native as command line options.
911 2006-07-20 Jason Merrill <jason@redhat.com>
913 * tree.c (remove_attribute): New fn.
914 * tree.h: Declare it.
916 2006-07-20 Paul Brook <paul@codesourcery.com>
919 * cse.c (cse_insn): Add destination addresses to hash table. Check if
920 they are invalidated by this instruction.
922 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
925 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
927 2006-07-20 Eric Christopher <echristo@apple.com>
930 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
932 2006-07-19 Eric Christopher <echristo@apple.com>
934 * config/t-slibgcc-darwin (stmp-lipo): Remove.
935 Rewrite dependencies for libgcc_s.1.dylib.
937 2006-07-19 Jakub Jelinek <jakub@redhat.com>
939 * except.c (duplicate_eh_regions_1): Clear next_peer.
941 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
943 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
944 -mlongcall does not guarantee all calls will be long.
945 * doc/extend.texi (long_call/short_call): Document that longcall
946 does not guarantee a long call will be used.
947 (longcall/shortcall): Likewise.
949 2006-07-18 Roger Sayle <roger@eyesopen.com>
952 * expmed.c (expand_shift): Additionally check that the shift_cost
953 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
954 before implementing a LSHIFT_EXPR as a sequence of additions.
955 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
956 middle-end that DImode shifts need to be synthesized by expand.
958 2006-07-18 Diego Novillo <dnovillo@redhat.com>
961 * tree-ssa-operands.c (access_can_touch_variable): Update
963 Return true if ALIAS is .GLOBAL_VAR.
965 2006-07-18 David Daney <ddaney@avtrex.com>
967 * gcc.c (display_help): Fix typo in help text.
969 2006-07-18 Olivier Hainque <hainque@adacore.com>
971 * tree.h (categorize_ctor_elements): Adjust prototype and add
972 descriptive comment, both in accordance with the interface change
974 * varasm.c (constructor_static_from_elts_p): New function.
975 Whether a constructor node is a valid static constant initializer
976 if all its elements are.
977 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
978 * output.h: Declare it.
979 * expr.c (categorize_ctor_elements_1): Return whether the constructor
980 is a valid constant initializer instead of computing the number of
981 non-constant elements. Use constructor_static_from_elts_p for this
982 purpose. Replace the head comment with an indication that this is a
983 helper for categorize_ctor_elements.
984 (categorize_ctor_elements): Same interface change as for the _1
985 helper. Former head comment from this helper moved here, adjusted to
986 account for the interface changes.
987 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
988 (all_zeros_p): Likewise.
989 * gimplify.c (gimplify_init_constructor): Decide whether we can make
990 static versions of the constructor from the categorize_ctor_elements
991 return value instead of the formerly computed number of non-constant
994 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
996 * configure: Regenerate.
997 * Makefile.in (build_libsubdir): New configure substitution
998 (build_libobjdir): New variable.
999 (BUILD_LIBIBERTY): Use it.
1001 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1004 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1006 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1009 * c-common.c (handle_weakref_attribute): Ignore attribute in
1010 the same conditions the alias attribute is ignored.
1012 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1014 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1015 (dbxout_begin_prologue): Increment scope_labelno.
1017 2006-07-17 Richard Henderson <rth@redhat.com>
1020 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1023 2006-07-17 Roger Sayle <roger@eyesopen.com>
1024 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1026 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1027 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1028 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1029 functions such as sbrk, write, etc.. Add function prototypes.
1030 Convert function declarations from K&R to ISO C. Cast pointers
1031 to "long" and "unsigned long" instead of "int" and "unsigned int".
1032 Convert tokens following #endif into comments.
1034 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1036 * invoke.texi: Remove mention of f77; Reformat table for
1037 inline parameter options correctly; mention that -malign-double
1038 is default on x86-64 targets.
1040 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1042 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1043 (convert_affine_scev, chrec_convert_aggressive): Use
1044 avoid_arithmetics_in_type_p. Do not check for the subtypes
1047 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1050 * optabs.c (expand_doubleword_shift): Wrap the call to
1051 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1053 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1056 * optabs.c (expand_binop): Pass next_methods rather than methods
1057 to expand_doubleword_shift.
1059 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1062 * tree.h (dump_addr): Declare.
1063 * print-tree.c (dump_addr): New function.
1064 (print_node_brief, print_node): Use it.
1065 * print-rtl.c (print_rtx): Likewise.
1066 * common.opt (-fdump-noaddr): New option.
1067 * doc/invoke.texi (-fdump-noaddr): Document.
1068 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1069 (ve_info_hash): Likewise.
1071 2006-07-13 Andrew Haley <aph@redhat.com>
1073 PR tree-optimization/19505
1074 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1075 edge leaving this block, make sure that the destination of this
1076 block has only one predecessor.
1078 2006-07-17 Richard Guenther <rguenther@suse.de>
1080 PR tree-optimization/28238
1081 * tree-inline.c (copy_bb): Check if we produced valid
1082 gimple copying and substituting a stmt. If not, gimplify
1085 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1087 * optabs.c (maybe_encapsulate_block): New function extracted from...
1088 (emit_libcall_block): ...here. Invoke it on the block of insns to
1089 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1090 (emit_no_conflict_block): Likewise.
1092 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1094 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1096 2006-07-15 Roger Sayle <roger@eyesopen.com>
1098 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1099 a new NOP_EXPR case of the switch statement.
1101 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1104 * stor-layout.c (place_field): Take the bit field with
1105 an excessive size into account in the ms-bitfiled case.
1108 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1109 the previous bit field.
1111 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1114 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1116 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1118 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1119 signal frames correctly even when the signal was installed with
1122 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1124 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1125 (dbxout_function_end): Use local label LFBB. Remove hook
1127 (dbxout_source_line): Use local label LFBB.
1128 (dbxout_block): Likewise.
1129 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1130 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1131 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1132 and DBX_OUTPUT_NFUN.
1134 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1136 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1138 2006-07-13 Jan Hubicka <jh@suse.cz>
1140 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1142 * output.h (align_variable): Declare.
1143 * varasm.c (align_variable): Export.
1144 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1145 when basic block changed.
1147 2006-07-13 Nick Clifton <nickc@redhat.com>
1149 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1150 walking the LOG_LINKS chain.
1152 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1154 * doc/invoke.texi (C++ Dialect Options): Explain difference
1155 between -fvisibility-inlines-hidden and setting hidden
1156 visibility explicitly.
1158 2006-07-12 Eric Christopher <echristo@apple.com>
1160 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1161 (stmp-lipo): Depend on libgcc.a.
1163 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1165 * tree.c: Fix a comment typo.
1167 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1169 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1171 (umulhisi3_r): Likewise.
1173 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1176 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1177 x < 19, vs wchar_t support.
1179 2006-07-12 Nick Clifton <nickc@redhat.com>
1181 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1182 instead of -isa=sh4.
1184 2006-07-12 Mike Stump <mrs@apple.com>
1186 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1188 2006-07-10 Eric Christopher <echristo@apple.com>
1190 * config/t-slibgcc-darwin: Rewrite.
1192 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1195 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1198 2006-07-08 Matthias Klose <doko@debian.org>
1200 * doc/sourcebuild.texi: Fix typo.
1202 2006-07-07 Mike Stump <mrs@apple.com>
1204 * toplev.c (process_options): Don't give -ffunction-sections may
1205 affect debugging warning for Mach-O.
1207 2006-07-07 James E Wilson <wilson@specifix.com>
1209 * config/mips/mips.md (cpu): Add sb1a.
1210 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1211 addition to sb1. Adjust comments to clarify SB-1A differences from
1213 (ir_sb1a_load): New. Modify bypasses to use it.
1214 (ir_sb1a_simple_alu): Likewise.
1215 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1216 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1217 (mips_issue_rate): Add PROCESSOR_SB1A.
1218 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1219 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1220 (TARGET_SB1): Add PROCESSOR_SB1A check.
1221 (TUNE_SB1): Likewise.
1223 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1224 * config/mips/mips.c (mips_store_data_bypass_p): New.
1225 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1226 store_data_bypass_p.
1228 2006-07-08 Paul Brook <paul@codesourcery.com>
1231 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1233 2006-07-07 Richard Guenther <rguenther@suse.de>
1236 * tree.h (build_one_cst): Declare.
1237 * tree.c (build_one_cst): New function.
1238 * tree-ssa-math-opts.c (get_constant_one): Remove.
1239 (insert_reciprocals): Use build_one_cst.
1240 * fold-const.c (fold_plusminus_mult): Likewise.
1242 2006-07-07 Roger Sayle <roger@eyesopen.com>
1244 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1245 * cfgloopanal.c (dump_graph): Likewise.
1246 * dojump.c (discard_pending_stack_adjust): Likewise.
1247 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1249 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1250 * function.c (finalize_block_changes): Likewise.
1251 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1252 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1253 * rtl.c (dump_rtx_statistics): Likewise.
1254 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1256 * varray.c (dump_varray_statistics): Likewise.
1257 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1258 decode_decimal64, encode_decimal128, decode_decimal128,
1259 decimal_real_to_decimal): Likewise.
1261 2006-07-07 Richard Guenther <rguenther@suse.de>
1263 PR tree-optimization/28187
1264 * tree-vrp.c (vrp_operand_equal_p): New function.
1265 (vrp_bitmap_equal_p): Likewise.
1266 (update_value_range): Use them to compare old and new
1269 2006-07-06 Roger Sayle <roger@eyesopen.com>
1271 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1272 a default case to switch statement to silence compiler warnings.
1274 2006-07-06 Roger Sayle <roger@eyesopen.com>
1277 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1278 the configured assembler supports the x87's ffreep mnemonic.
1279 * configure: Regenerate.
1280 * config.in: Regenerate.
1282 * config/i386/i386.c (output_387_ffreep): New function.
1283 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1284 (output_387_reg_move): Likewise.
1286 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1288 Port to hosts whose 'sort' and 'tail' implementations
1289 treat operands with leading '+' as file names, as POSIX
1290 has required since 2001. However, make sure the code still
1291 works on pre-POSIX hosts.
1292 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1293 which says you should use "tail -c +N" rather than "tail +Nc".
1294 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1296 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1298 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1301 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1304 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1305 PRE_{INC,DEC} of TFmode.
1307 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1308 Alan Modra <amodra@bigpond.net.au>
1311 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1314 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1317 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1318 Remove duplicate gtu.
1320 2006-07-05 Jason Merrill <jason@redhat.com>
1324 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1325 * c-common.c (handle_packed_attribute): So don't copy it here.
1326 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1328 2006-07-05 Mike Stump <mrs@apple.com>
1330 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1332 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1335 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1337 2006-07-05 Richard Guenther <rguenther@suse.de>
1340 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1341 TARGET_SSE2 targets if using SSE math.
1342 (*absdf2_1): Likewise.
1344 2006-07-05 Richard Guenther <rguenther@suse.de>
1346 PR tree-optimization/28162
1347 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1348 make sure to convert the operands to the correct type.
1350 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1352 PR tree-optimization/28218
1354 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1355 to calculate and free the dominator information.
1357 2006-07-04 Peter O'Gorman <peter@pogma.com>
1359 * mklibgcc.in: chmod 644 before ranlib during install.
1361 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1362 J"orn Rennecke <joern.rennecke@st.com>
1364 * configure.ac (.eh_frame data check): Use diff -b.
1366 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1369 * Makefile.in (BUILD_RTL): Add build/vec.o.
1370 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1371 (build/genextract): Delete.
1372 (build/genautomata): Likewise.
1374 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1377 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1378 128-bit IBM long doubles for ABI_V4.
1380 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1382 * tree.c (range_in_array_bounds_p): New predicate.
1383 * tree.h (range_in_array_bounds_p): Declare it.
1384 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1385 return a less conservative answer.
1386 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1387 and flag 'is_group'.
1388 (IS_ELEMENT_FOR_GROUP): New macro.
1389 (FOR_EACH_ACTUAL_CHILD): Likewise.
1390 (next_child_for_group): New helper function.
1391 (can_completely_scalarize_p): Take into account groups.
1392 (sra_hash_tree): Handle RANGE_EXPR.
1393 (sra_elt_eq): Likewise.
1394 (lookup_element): Be prepared for handling groups.
1395 (is_valid_const_index): Delete.
1396 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1397 instead of is_valid_const_index.
1398 <ARRAY_RANGE_REF>: New case.
1399 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1400 is_valid_const_index.
1401 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1402 (scan_dump): Dump info for groups too.
1403 (decide_instantiation_1): Likewise.
1404 (decide_block_copy): Assert that the element is not a group.
1405 Propagate decision to groups.
1406 (generate_one_element_ref): Handle RANGE_EXPR.
1407 (mark_no_warning): Iterate over actual childs.
1408 (generate_copy_inout): Likewise.
1409 (generate_element_copy): Likewise.
1410 (generate_element_zero): Likewise.
1411 (generate_element_init_1): Likewise.
1412 (dump_sra_elt_name): Handle RANGE_EXPR.
1414 2006-07-03 Roger Sayle <roger@eyesopen.com>
1416 PR tree-optimization/26251
1417 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1418 (thread_block): When optimizing for size refuse to thread jumps
1419 that would require duplication of blocks other than redirection
1422 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1424 * configure.ac: Fix thinko in previous check-in.
1425 * configure: Regenerate.
1427 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1430 * configure.ac (for lang...): Simplify nesting of conditionals.
1431 Test subdir_requires for non-enabled languages. Move processing
1432 of lang_opt_files and lang_tree_fiels below that test.
1433 * configure: Regenerate.
1434 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1436 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1438 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1440 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1442 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1445 2006-06-29 Jason Merrill <jason@redhat.com>
1452 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1453 * c-common.c (c_determine_visibility): Handle it here.
1454 * c-decl.c (finish_decl): Call c_determine_visibility for
1456 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1458 * varasm.c (default_assemble_visibility): Likewise.
1459 * c-common.c (handle_visibility_attribute): Complain about trying
1460 to give visibility to an already defined class, or trying to change
1461 declared visibility. Always attach the attribute.
1466 * attribs.c (decl_attributes): Ignore type-in-place attributes
1467 once the type has been defined.
1469 2006-06-29 Roger Sayle <roger@eyesopen.com>
1472 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1473 to indicate the cpplib has issued an error message for us.
1475 2006-06-29 Asher Langton <langton2@llnl.gov>
1478 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1479 insert a label at the end of an function under Mach-O.
1481 2006-06-29 Eric Christopher <echristo@apple.com>
1482 Evan Cheng <evan.cheng@apple.com>
1484 * predicates.md (vector_all_ones_operand): New.
1485 (nonimmediate_or_sse_const_operand): Ditto.
1486 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1487 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1488 (standard_sse_mode_p): Ditto.
1489 (standard_sse_constant_p): Add case for -1 vector.
1490 (ix86_expand_vector_move): Try to use.
1491 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1492 Call standard_sse_constant_opcode.
1493 (*movv4sf_internal): Ditto.
1494 (*movv2df_internal): Ditto.
1496 2006-06-29 Roger Sayle <roger@eyesopen.com>
1498 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1499 of XEXP to extract the operands of a MATCH_CODE rtx.
1501 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1503 * tree.c (tree_size): Do not waste tail padding in
1504 struct tree_string and make the size be the same as
1505 build_string will generate.
1507 2006-06-28 Jason Merrill <jason@redhat.com>
1510 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1511 may_aliases already in the tag's annotations to the bitmap.
1513 2006-06-28 Roger Sayle <roger@eyesopen.com>
1515 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1517 2006-06-28 Roger Sayle <roger@eyesopen.com>
1519 * genpreds.c (generate_switch_p): New function.
1520 (add_mode_tests): Push the new mode test down inside an AND expr
1521 if this allows the switch-suitable MATCH_CODE to be near the root.
1522 (write_match_code_switch): New function to write a MATCH_CODE as
1524 (write_predicate_stmts): New function to write a predicate RTX
1525 expression as a sequence of statements.
1526 (write_one_predicate_function): Use write_predicate_stmts.
1527 (write_tm_constrs_h): Likewise.
1529 2006-06-26 Fred Fish <fnf@specifix.com>
1531 * config/mips/t-sb1: New file.
1532 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1535 2006-06-26 DJ Delorie <dj@redhat.com>
1537 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1539 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1540 Jayant Sonar <jayants@kpitcummins.com>
1541 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1543 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1544 (subsi3, subsi3_1, subsi3_2): New.
1545 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1546 * config/m32c/mov.md (SI mov peephole): New.
1547 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1548 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1550 2006-06-26 Olivier Hainque <hainque@adacore.com>
1552 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1553 a CALL_EXPR target function declaration.
1555 2006-06-26 Richard Guenther <rguenther@suse.de>
1557 * tree.c (build_string): Do not waste tail padding in
1560 2006-06-26 Richard Guenther <rguenther@suse.de>
1562 * ggc-page.c (init_ggc): Add missing element to size_lookup
1566 2006-06-23 Richard Guenther <rguenther@suse.de>
1568 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1569 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1570 alignment requests instead. Add verification code.
1571 Add struct tree_function_decl and struct tree_binfo size to
1572 extra_order_size_table. Add missing element to size_lookup
1575 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1578 * fold-const.c (const_binop): Be prepared for self returning zero.
1579 Simplify code handling complex values.
1581 2006-06-24 Olivier Hainque <hainque@adacore.com>
1583 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1584 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1587 2006-06-24 Olivier Hainque <hainque@adacore.com>
1589 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1590 ARRAY_REF, so have the callback called for the low bound expression.
1592 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1594 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1595 * c-typeck.c (c_common_type): Disallow operations on decimal float
1596 types and other float types.
1597 * convert.c (convert_to_real): Don't ignore conversions involving
1598 decimal float types.
1600 2006-06-23 Olivier Hainque <hainque@adacore.com>
1602 * tree.c (max_int_size_in_bytes): New function, inspired from
1603 code in function.c:assign_temp.
1604 * tree.h (max_int_size_in_bytes): Declare.
1605 * function.c (assign_temp): Use it.
1606 * gimplify.c (create_tmp_var): Relax the assertions on the type
1607 properties, not mandating constant size any more.
1608 (force_constant_size): New static function.
1609 (gimple_add_tmp_var): Use it, forcing variable size to a
1610 constant upper bound if it is not constant on entry.
1612 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1615 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1616 for initialization and setting of one_only flag to ...
1617 (i386_pe_encode_section_info): ...here.
1618 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1619 Recheck that the symbol has not been defined.
1621 2006-06-23 Richard Guenther <rguenther@suse.de>
1623 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1624 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1625 alignment requests instead. Add verification code.
1626 Add struct tree_function_decl and struct tree_binfo size to
1627 extra_order_size_table. Add missing element to size_lookup
1630 2006-06-22 Roger Sayle <roger@eyesopen.com>
1631 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1634 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1635 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1637 2006-06-23 Ben Elliston <bje@au.ibm.com>
1639 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1640 negate dn -- manipulate it directly.
1642 2006-06-22 Roger Sayle <roger@eyesopen.com>
1643 Steven Bosscher <stevenb.gcc@gmail.com>
1646 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1647 generated by gen_move_insn to add REG_LABEL notes if necessary.
1649 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1651 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1652 (leaf_entry): Remove use of MIN_ESA.
1654 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1656 PR rtl-optimization/28121
1657 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1660 2006-06-21 DJ Delorie <dj@redhat.com>
1662 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1664 (mulhisi3_r): Likewise.
1666 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1669 * coverage.c (coverage_counter_alloc): Leave the index type
1671 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1674 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1676 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1677 section from the "Options for Code Generation Conventions".
1679 2006-06-21 Richard Henderson <rth@redhat.com>
1683 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1685 (global_symbolic_operand): Allow weak symbols, even if local_p.
1687 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1689 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1690 (find_interesting_uses_address): Punt if above function returns true.
1692 2006-06-21 Richard Guenther <rguenther@suse.de>
1694 * configure: Regenerated.
1696 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1698 * config/mips/mips.c (function_arg): Where one part of a
1699 complex argument is in registers and the other part in the stack,
1700 return a REG not a PARALLEL.
1702 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1704 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1705 when cross-compiling. Do not substitute libstdcxx_incdir.
1706 * configure: Regenerated.
1708 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1710 * varasm.c (mergeable_string_section): Check for embedded NULs and
1711 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1712 rather than TREE_STRING_LENGTH bytes.
1714 2006-06-21 Richard Guenther <rguenther@suse.de>
1716 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1717 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1720 2006-06-21 Richrad Guenther <rguenther@suse.de>
1722 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1723 Limit iteration over the dominators.
1725 2006-06-20 Roger Sayle <roger@eyesopen.com>
1727 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1728 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1730 2006-06-20 Richard Guenther <rguenther@suse.de>
1731 Michael Matz <matz@suse.de>
1733 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1735 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1736 * et-forest.h (et_free_pools): Prototype new function.
1737 * et-forest.c (et_free_tree_force): Free parent occurrence.
1738 (et_free_pools): New function.
1739 * dominance.c (free_dominance_info): Free et-forest alloc
1742 2006-06-20 Roger Sayle <roger@eyesopen.com>
1744 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1745 integer modes, attempt to directly construct an integer constant.
1747 * fold-const.c (native_encode_vector): Determine the size of each
1748 element from the vector type instead of the first vector element.
1750 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1751 if all of its elements/components are constant.
1752 (build_constructor_from_list): Likewise.
1754 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1756 PR tree-optimization/27331
1757 * tree-data-ref.c (free_data_ref): New function.
1758 (create_data_ref): Fail if the data reference has unknown access
1760 (free_data_refs): Use free_data_ref.
1762 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1765 * tree-inline.c (setup_one_parameter): Strip useless
1766 type conversion before adding it to the IR.
1767 (declare_return_variable): Likewise.
1769 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1772 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1774 2006-06-19 Mike Stump <mrs@apple.com>
1776 * tree.c (variably_modified_type_p): VM arguments don't make the
1779 2006-06-19 Richard Guenther <rguenther@suse.de>
1781 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1782 type conversions after folding.
1784 2006-06-19 Richard Guenther <rguenther@suse.de>
1786 * ggc-page.c (extra_order_size_tab): Add entries with
1787 size of struct function and basic_block.
1788 (size_lookup): Extend to cover sizes up to 511.
1789 (ggc_alloc_stat): Adjust user.
1790 (ggc_pch_count_object): Likewise.
1791 (ggc_pch_alloc_object): Likewise.
1792 (ggc_pch_write_object): Likewise.
1794 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1796 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1797 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1800 2006-06-19 Denis Chertykov <denisc@overta.ru>
1802 * config/avr/libgcc.S : Correct my wrong previous commit.
1804 2006-06-19 Roger Sayle <roger@eyesopen.com>
1807 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1808 have stripped a SUBREG from the shift count, so we may need to
1809 convert_to_mode back to the type's mode before calling make_tree.
1810 Use new_amount instead of amount to avoid expanding a tree twice.
1812 2006-06-19 Richard Guenther <rguenther@suse.de>
1815 * fold-const.c (operand_equal_p): Check if the argument types
1816 have the same precision before stripping NOPs.
1818 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1820 Fix PR tree-optimization/27341
1821 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1823 * tree-complex.c (pass_lower_complex): Update SMT usage.
1825 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1827 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1828 Add a new alternative to the constraint strings. Add move of
1829 operand 1 to 3 to the splitter definition.
1830 ("doloop_si_long"): Second contraint alternative removed.
1832 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1834 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1835 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1837 (AVR_HAVE_MOVW) Define.
1838 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1839 (ASM_SPEC): Add avr25.
1840 (LINK_SPEC): Add avr25.
1841 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1842 (base_arch_s): Add new member 'have_movw_lpmx'.
1843 (avr_arch_types): Init 'have_movw_lpmx'.
1844 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1845 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1846 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1847 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1848 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1850 (avr_file_start): Do not output '.arh' derective.
1851 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1852 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1853 * config/avr/avr.md (mcu_enhanced): Delete.
1854 (mcu_have_movw): Define.
1855 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1856 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1857 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1858 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1859 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1860 attiny861 and at86rf401 devices.
1862 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1864 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1867 2006-06-17 Karl Berry <karl@gnu.org>
1869 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1870 doc/gccint.texi, doc/install.texi (@dircategory): Use
1871 "Software development" instead of "Programming", following
1872 the Free Software Directory.
1874 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1876 * config/i386/i386.c (legitimate_tls_address)
1877 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1878 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1879 (*tls_dynamic_gnu2_combine_64): Likewise.
1881 2006-06-16 Richard Guenther <rguenther@suse.de>
1884 * fold-const.c (negate_expr_p): Do not introduce undefined
1885 overflow in negating INTEGER_CSTs.
1886 (fold_negate_expr): Rename from negate_expr. Revert last
1887 change for folding BIT_NOT_EXPR. Change semantics to
1888 return NULL_TREE for non-simplified negations. Do not
1889 strip type conversions and unify type handling.
1890 (negate_expr): New function, wrap around fold_negate_expr
1891 but ensure building a tree always. Strip type conversions
1892 here, fold to result type.
1893 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1895 2006-06-16 Roger Sayle <roger@eyesopen.com>
1898 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1899 that (would) return their results in stack registers.
1901 2006-06-16 Michael Matz <matz@suse.de>
1902 Richard Guenther <rguenther@suse.de>
1904 * fold-const.c (fold_truthop): Only return new tree node if
1905 we canonicalized something.
1907 2006-06-16 Richard Guenther <rguenther@suse.de>
1909 * function.h (enum function_frequency): Move declaration
1910 out of struct function.
1911 (struct function): Move bool fields and the enum to the bitfield
1912 section. Reorder elements to avoid padding. Remove unused
1913 fields left over from the RTL inliner removal.
1914 * function.c (free_after_compilation): Do not zero removed fields.
1915 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1916 (ipa-type-escape.o): Likewise.
1918 2006-06-16 Richard Guenther <rguenther@suse.de>
1920 * cgraph.h (struct cgraph_local_info): Turn bool elements
1922 (struct cgraph_node): Likewise.
1923 (struct cgraph_varpool_node): Likewise.
1925 2006-06-15 Richard Guenther <rguenther@suse.de>
1927 * fold-const.c (fold_truth_not_expr): Rename from
1928 invert_truthvalue. Give it fold_* semantics to avoid
1930 (invert_truthvalue): New function. Wrapper around
1931 fold_truth_not_expr.
1932 (optimize_minmax_comparison): Avoid creating garbage.
1933 (fold_unary): Use fold_truth_not_expr for folding
1935 (fold_ternary): Replace uses of invert_truthvalue with
1936 fold_truth_not_expr where applicable.
1937 * tree.h (fold_truth_not_expr): Prototype.
1939 2006-06-16 Richard Guenther <rguenther@suse.de>
1941 PR tree-optimization/27781
1942 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1943 * ipa-pure-const.c (target.h): Include.
1944 (analyze_function): Do not analyze functions that do not
1947 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1950 * tree-dfa.c (referenced_vars_dup_list): Remove.
1951 (find_referenced_vars): Remove assert.
1952 (referenced_var_check_and_insert): Replace dup list with assert.
1953 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1954 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1956 2006-06-15 Richard Guenther <rguenther@suse.de>
1958 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1959 extra unused identifiers if not dumping.
1960 (create_variable_info_for): Likewise.
1962 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1964 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1965 (derive_constant_upper_bound): Derive more precise upper bound in
1966 common cases. Return type changed to double_int.
1967 (record_estimate): Reflect the changed return type of
1968 derive_constant_upper_bound.
1969 * double-int.c (double_int_zext, double_int_sext): Fix.
1971 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1973 * configure.ac (CFLAGS): Get them from the toplevel or from the
1974 configure invocation.
1975 * configure: Regenerate.
1976 * Makefile.in (CFLAGS): Substitute value provided by configure.
1978 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1981 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1982 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1983 rather than calling add_stmt on it.
1984 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1986 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1989 * reload1.c (reload): Remove registers returned by update_eliminables
1990 from used_spill_regs.
1992 2006-06-13 DJ Delorie <dj@redhat.com>
1994 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1996 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1998 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1999 html__strip_dir, html__mkdir_p. Enhance install-html target.
2000 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2001 * configure: Regenerate.
2003 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2005 * fold-const.c (fold_cond_expr_with_comparison): Check for
2006 Objective-C++ as language in deciding COND_EXPR transformation.
2008 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2011 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2012 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2013 * config/sh/lib1funcs.h (SL, SL1): Define.
2014 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2015 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2016 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2017 (OBJS_Os_4_200): New variable.
2018 ($(T)libgcc-Os-4-200.a): Use it.
2019 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2020 when dividing 1 and/or by 0.
2022 2006-06-13 Roger Sayle <roger@eyesopen.com>
2024 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2025 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2026 * configure: Regenerate.
2028 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2030 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2031 for real instruction.
2033 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2036 * haifa-sched.c (check_cfg): Handle special case.
2038 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2041 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2042 Add debug_info parameter. Chain the vars to the BLOCK instead
2043 of the BIND_EXPR if debug info are requested for them.
2044 (pop_gimplify_context): Adjust for above change.
2045 (gimple_add_tmp_var): Likewise.
2046 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2048 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2049 (convert_local_reference): Likewise.
2050 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2051 (finalize_nesting_tree_1): Request that debug info be emitted
2052 for debug_var_chain.
2054 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2056 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2057 for PR target/27863.
2059 2006-06-13 Richard Guenther <rguenther@suse.de>
2062 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2064 2006-06-13 Richard Guenther <rguenther@suse.de>
2066 PR tree-optimization/27830
2067 * tree-inline.c (copy_body_r): For copying the operand
2068 of an ADDR_EXPR make sure to fold &* afterwards.
2070 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2072 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2073 lvalues in the fb_none case with side-effects.
2075 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2077 * tree-flow.h: Remove the prototype for
2078 compute_phi_arg_on_exit.
2079 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2080 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2083 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2085 * builtins.c (expand_builtin_return_addr): Only use
2086 frame_pointer_rtx when count == 0 and we are expanding
2087 __builtin_return_address.
2089 2006-06-12 Fred Fish <fnf@specifix.com>
2091 * config/mips/mips.c (mips_file_start): Create special section
2092 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2094 2006-06-11 Eric Christopher <echristo@apple.com>
2097 * stor-layout.c (place_field): Remove check for
2098 remaining_in_alignment when aligning at the end of a run.
2100 2006-06-11 Eric Christopher <echristo@apple.com>
2103 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2106 2006-06-11 Roger Sayle <roger@eyesopen.com>
2109 Revert incorrect fix for PR target/27158
2110 2006-05-08 Roger Sayle <roger@eyesopen.com>
2111 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2112 of a reg_equiv_constant if the result is a legitimate constant.
2114 2006-06-11 Roger Sayle <roger@eyesopen.com>
2117 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2118 extract a CONST_VECTOR element and interpret it as an integer.
2119 (vspltis_constant): Use const_vector_elt_as_int instead of the
2120 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2121 * config/rs6000/predicates.md (easy_vector_const): Consider
2122 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2124 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2127 * stor-layout.c (update_alignment_for_field): Don't add extra
2128 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2131 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2133 * config/mips/t-rtems: Add EL/EB multilib variants.
2135 2006-06-09 Mike Stump <mrs@apple.com>
2137 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2139 2006-06-09 David Daney <ddaney@avtrex.com>
2141 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2143 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2145 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2147 2006-06-09 Richard Guenther <rguenther@suse.de>
2149 PR tree-optimization/26998
2150 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2151 of signed types, only TYPE_MIN_VALUE is special, but for both,
2152 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2153 in this case, as is -fwrapv.
2155 2006-06-08 Mike Stump <mrs@apple.com>
2158 * config/darwin.c (darwin_asm_output_anchor): Disable
2159 -fsection-anchors on darwin for now.
2160 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2161 * rs6000/rs6000.c (optimization_options): Likewise.
2163 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2166 * config/i386/i386.c (classify_argument): Skip fields with invalid
2169 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2171 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2172 (cse_insn): Likewise for the stack_pointer_rtx.
2174 2006-06-08 Roger Sayle <roger@eyesopen.com>
2176 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2177 conditions from floating point comparisons.
2179 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2182 * expmed.c (struct alg_hash_entry): Fix type of field T
2183 to match synth_mult argument.
2184 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2186 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2189 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2192 2006-06-08 Richard Guenther <rguenther@suse.de>
2195 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2196 only, if overflow is defined and not trapping.
2197 (negate_expr): Likewise.
2199 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2201 PR tree-optimization/27872
2202 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2203 flag on the new exit edge of the unrolled loop.
2205 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2207 PR rtl-optimization/26449
2208 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2210 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2213 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2214 referenced_variables with matching DECL_UID's.
2215 (find_referenced_vars): Make sure duplicate list is empty to start.
2216 (referenced_var_p): Remove.
2217 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2218 Check if var is in the list, and add if needed. Update the duplicate
2219 list if a different var is in the list with the same DECL_UID.
2220 (add_referenced_var): Call routine to check and insert.
2221 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2222 * tree-flow.h (referenced_vars_dup_list): External declaration.
2224 2006-06-07 Fred Fish <fnf@specifix.com>
2226 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2229 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2232 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2233 the imaginary and real parts of a clobbered register.
2234 Emit insn to set the imaginary part.
2236 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2238 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2239 in lieu of unwind-dw2-fde.c.
2241 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2243 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2245 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2248 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2249 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2250 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2251 V4SImode temporaries and operations instead.
2253 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2255 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2258 2006-06-06 Mike Stump <mrs@apple.com>
2260 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2261 installing during build.
2263 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2265 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2267 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2268 * config/ia64/ia64.c (params.h): New header.
2269 (ia64_optimization_options): New function to adjust parameters.
2270 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2271 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2272 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2274 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2276 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2278 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2281 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2283 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2284 Victor Kaplansky <victork@il.ibm.com>
2286 PR tree-optimization/26360
2287 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2290 2006-06-04 Roger Sayle <roger@eyesopen.com>
2291 Andrew Pinski <pinskia@physics.uc.edu>
2294 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2295 for LABEL_DECL before calling DECL_WEAK.
2298 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2299 LABEL_DECL and PARM_DECL.
2301 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2305 * c-decl.c (grokdeclarator): Disallow variably modified types at
2306 file scope. Avoid marking shared array type of constant size as
2309 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2312 * c-common.c (fold_offsetof_1): Handle static members.
2314 2006-06-04 Eric Christopher <echristo@apple.com>
2316 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2317 (debug_rli): Output value for remaining_in_alignment.
2318 (update_alignment_for_field): Unconditionalize
2319 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2320 extra alignment code.
2321 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2322 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2323 * tree.h (record_layout_info_s): Remove prev_packed.
2324 * doc/extend.texi (ms_struct): Add documentation of format.
2326 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2328 * tree.h: Declare folding_initializer.
2329 * builtins.c (fold_builtin_constant_p): Give definite answer
2330 if folding inside an initializer.
2331 * fold-const.c: Define folding_initializer.
2332 (START_FOLD_INIT): Save and then set folding_initializer.
2333 (END_FOLD_INIT): Restore folding_initializer.
2335 2006-06-04 Richard Guenther <rguenther@suse.de>
2337 PR tree-optimization/27039
2338 * fold-const.c (fold_comparison): Handle pointer comparison
2339 again for all comparison codes. Compare offsets in signed
2341 (fold_binary): Move code from here.
2343 2006-06-03 Roger Sayle <roger@eyesopen.com>
2346 * config/i386/i386.c (construct_container): Split static issued_error
2347 flag into issued_sse_arg_error, issued_sse_ret_error and
2348 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2349 requires the use of x87 registers and the user explicitly
2350 specified the -mno-80387 command line option.
2352 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2354 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2355 HAVE_DECL_SIGALTSTACK.
2357 (segv_handler): Use MC_FLD.
2358 * configure.ac: Check for a sigaltstack declaration.
2359 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2360 * configure: Regenerate.
2361 * config.in: Regenerate.
2363 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2366 * Makefile.in (stmp-fixinc): Fix typo.
2368 2006-06-02 Roger Sayle <roger@eyesopen.com>
2370 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2371 are type correct. Clean-up.
2372 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2373 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2375 2006-06-01 DJ Delorie <dj@redhat.com>
2377 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2378 shift, as we've disabled the "switch" insn that needs it.
2380 2006-06-01 Per Bothner <bothner@bothner.com>
2382 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2383 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2384 * c-ppoutput.c (cb_define): Don't increment line 0.
2386 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2388 * doc/invoke.texi: Add cpu_type power6.
2389 * config.gcc: Add cpu_type power6.
2390 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2391 to power5+ with Altivec.
2392 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2393 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2395 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2397 * config/avr/avr.h (SET_ASM_OP): Define.
2399 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2401 * config/bfin/bfin.c: Fix comment typos.
2403 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2406 * doc/install.texi: Document --enable-bootstrap and
2407 --disable-bootstrap.
2409 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2411 * doc/install.texi: Document that InfoZIP can replace jar.
2413 2006-05-31 Roger Sayle <roger@eyesopen.com>
2415 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2416 isn't available, directly generate the simpler x87 patterns without
2417 the (use (const_int 0)).
2418 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2419 implementation isn't available.
2420 (*negdf2_1): Likewise.
2421 (*negxf2_1): XF mode negation is always done using the x87.
2422 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2424 2006-05-31 Roger Sayle <roger@eyesopen.com>
2426 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2427 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2429 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2431 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2433 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2434 * config/bfin/bfin.c (basic-block.h): Include.
2435 (struct machine_function): New.
2436 (bfin_init_machine_status): New.
2437 (override_options): Initialize init_machine_status.
2438 (bfin_hardware_loop): New.
2439 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2440 (DEF_VEC_P (loop_info)): New.
2441 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2442 (struct loop_info): New.
2443 (loop_info): New typedef.
2444 (struct loop_work): New.
2445 (loop_work): New typedef.
2446 (DEF_VEC_O (loop_work)): New.
2447 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2448 (bfin_dump_loops): New.
2449 (bfin_bb_in_loop): New.
2450 (bfin_scan_loop): New.
2451 (bfin_optimize_loop): New.
2452 (bfin_reorg_loops): New.
2453 (bfin_reorg): Use bfin_reorg_loops.
2454 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2456 (I_REGNO_P): Simplify.
2457 (DP_REGNO_P, DPREG_P): New macros.
2458 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2459 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2460 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2461 Add LT_REGS, LC_REGS, LB_REGS.
2462 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2464 (REGNO_REG_CLASS): Deal with loop registers.
2465 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2467 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2468 New constants for loop registers.
2469 (UNSPEC_LSETUP_END): New.
2470 (seq_insns): New define_attr. Set it for appropriate insns.
2471 (movsi_insn): Add alternatives for move from/to
2472 loop count registers.
2473 (doloop_end): New define_expand.
2474 (loop_end): New define_insn.
2475 (define_split for bad doloop_end): New.
2476 (lsetup_with_autoinit): New define_insn.
2477 (lsetup_without_autoinit): New define_insn.
2478 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2479 * config/bfin/predicates.md (lc_register_operand): New.
2480 (lt_register_operand): New.
2481 (lb_register_operand): New.
2482 (nondp_register_operand): New.
2483 (nondp_reg_or_memory_operand): New.
2484 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2486 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2488 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2489 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2491 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2493 * Makefile.in (CATALOGS): Add po/ prefix.
2494 * configure: Regenerated.
2496 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2499 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2500 a shift operand before calling shift_op. Avoid redundant call of
2503 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2504 DJ Delorie <dj@redhat.com>
2506 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2507 we're inserting is a singlt-bit constant.
2509 2006-05-30 Roger Sayle <roger@eyesopen.com>
2511 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2512 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2514 2006-05-30 Roger Sayle <roger@eyesopen.com>
2516 PR tree-optimization/23452
2517 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2518 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2519 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2520 complex values and with -ffast-math for FP complex values.
2522 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2524 * c-common.h: Remove the prototype for yyparse.
2525 * rtl.h: Remove the prototype for init_loop.
2527 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2529 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2532 2006-05-30 Roger Sayle <roger@eyesopen.com>
2534 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2536 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2537 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2539 2006-05-30 Dirk Mueller <dmueller@suse.de>
2542 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2543 for CONSTANT_CLASS_P expresisons.
2545 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2548 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2550 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2552 PR tree-optimization/27779
2553 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2554 initial_condition instead of CHREC_LEFT.
2556 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2558 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2559 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2560 Make prototypes ISO C90.
2562 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2563 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2565 * see.c (see_analyze_one_def): Correct check.
2566 (see_get_extension_data): Check if extension is parallel.
2567 (see_get_extension_reg): Likewise.
2569 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2572 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2573 into register for (code == GTU).
2575 2006-05-29 Roger Sayle <roger@eyesopen.com>
2577 PR tree-optimization/24964
2578 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2579 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2580 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2581 abs(x)*abs(x) as x*x for scalar floating point modes.
2583 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2586 * lambda-code.c (perfect_nestify): Don't copy statements
2587 in the inner loop: move them to the inner loop header.
2589 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2592 * c-tree.texi: Document OpenMP directives and clauses.
2594 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2596 * varasm.c (globalize_decl): Fix indentation.
2598 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2601 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2602 pass_fre, pass_store_ccp, pass_copy_prop,
2603 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2604 pass_return_slot, pass_object_size, pass_lim,
2605 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2606 pass_loop_prefetch and pass_stdarg.
2608 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2610 * config/bfin/bfin.opt (mfdpic): New option.
2611 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2612 (EXTRA_MULTILIB_PARTS): Likewise.
2613 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2614 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2616 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2617 (CRT_CALL_STATIC_FUNCTION): New.
2618 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2620 (CRT_CALL_STATIC_FUNCTION): New.
2621 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2623 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2624 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2625 (initialize_trampoline): Changed to handle FD-PIC code generation.
2626 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2627 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2628 (override_options): Disallow -mid-shared-library -mfdpic combination.
2629 Can't do unaligned ops if FD-PIC.
2630 Turn off flag_pic if trying to generate non-id-shared-library
2631 non-fdpic code, since it's not supported.
2632 (bfin_assemble_integer): New function.
2633 (TARGET_ASM_INTEGER): Define.
2634 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2636 * config/bfin/crtn.s: Restore them.
2637 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2639 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2640 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2641 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2642 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2643 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2645 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2646 FDPIC_REGS and FDPIC_FPTR_REGS.
2647 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2648 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2649 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2650 (load_funcdescsi): New pattern.
2651 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2652 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2653 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2655 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2657 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2660 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2662 * tree-flow.h: Remove the prototype for add_type_alias.
2663 * tree-ssa-alias.c (add_type_alias): Remove.
2665 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2667 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2668 config/fr30/fr30.md, config/i386/i386-interix.h,
2669 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2670 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2671 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2672 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2673 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2674 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2675 Follow spelling conventions.
2676 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2677 Follow spelling conventions.
2679 2006-05-27 Richard Guenther <rguenther@suse.de>
2682 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2683 to produce a constant of value 1 of generic type.
2685 2006-05-27 Dirk Mueller <dmueller@suse.de>
2687 * cgraphunit.c (decide_is_function_needed): Fix wrong
2690 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2692 PR rtl-optimization/27661
2693 * reload.c (find_reloads): When reloading a VOIDmode constant
2694 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2695 use Pmode as mode of the reload register.
2697 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2699 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2700 is enabled at -O and above.
2702 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2705 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2708 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2711 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2712 for anonymous variables explicitly declared by front ends.
2714 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2716 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2717 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2718 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2719 ref-all pointers, run a finalization pass for them.
2720 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2721 (finalize_ref_all_pointers): New function.
2722 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2723 regular pointer type to a ref-all pointer type.
2724 (get_tmt_for): Return the special memory tag for ref-all pointers.
2726 2006-05-25 Richard Guenther <rguenther@suse.de>
2729 * fold-const.c (fold_binary): Do not look at the stripped
2730 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2732 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2734 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2735 for LT and GT if the computed range is effectively empty.
2737 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2740 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2741 mips_quad_format formats instead of ieee_single_format,
2742 ieee_double_format and ieee_quad_format formats, respectively.
2744 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2746 PR tree-optimization/27639
2747 PR tree-optimization/26719
2748 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2749 call to scev_probably_wraps_p.
2750 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2751 used_in_pointer_arithmetic_p, convert_step): Removed.
2752 (nowrap_type_p): New function.
2753 (scev_probably_wraps_p): Rewritten.
2754 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2755 chrec_convert if chrec_convert_aggressive might have been used.
2756 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2757 scev_direction): New functions.
2758 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2759 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2760 instead of convert_step.
2761 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2762 (convert_step): Declaration removed.
2763 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2765 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2767 * df-core.c: Added to header comments.
2768 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2769 df_ur_bb_info, df_urec_bb_info): Added comments.
2770 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2771 urec, ri problems): Fixed header comments.
2772 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2773 code from df_rd_transfer_function.
2775 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2777 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2778 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2779 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2781 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2783 * expr.c (undefined_operand_subword_p): New.
2784 (emit_move_multi_word): Do not generate move from undefined bits
2785 of a paradoxical subreg.
2787 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2789 PR rtl-optimization/27736
2790 * combine.c (replaced_rhs_value): New variable.
2791 (combine_instructions): Set it.
2792 (distribute_notes): When distributing a note in replaced_rhs_insn,
2793 check whether the value was used in replaced_rhs_value.
2795 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2798 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2799 add_referenced_var instead of add_referenced_tmp_var.
2800 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2801 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2803 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2804 tree_optimize_tail_calls_1): Use add_referenced_var.
2805 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2806 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2807 Use add_referenced_var.
2808 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2809 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2810 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2811 Use add_referenced_var.
2812 * tree-dfa.c (struct walk_state): Remove.
2813 (find_referenced_vars): Remove walk state and vars_found hash table.
2814 (make_rename_temp): Use add_referenced_var.
2815 (find_vars_r): Pass less parameters to add_referenced_var.
2816 (referenced_var_p): New. Is var in referenced_var hash table.
2817 (referenced_var_insert): Assert var isn't already in hash table.
2818 (add_referenced_var): Don't need walk_state parameter. Add var if it
2819 isn't already in the hash table.
2820 (add_referenced_tmp_var): Remove.
2821 (find_new_referenced_vars_1): Use add_referenced_var.
2822 * tree-ssa-pre.c (create_expression_by_pieces,
2823 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2824 Use add_referenced_var.
2825 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2826 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2827 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2829 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2830 vect_create_data_ref_ptr, vect_create_destination_var,
2831 vect_init_vector, vect_build_loop_niters,
2832 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2833 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2834 Use add_referenced_var.
2835 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2836 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2837 (add_referenced_var): Add prototype.
2838 * tree-ssa-structalias.c (get_constraint_for,
2839 intra_create_variable_infos): Use add_referenced_var.
2841 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2843 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2844 big-endian paradoxical subregs.
2845 * var-tracking.c (struct micro_operation_def): Document that,
2846 for modify micro operations, insn is the subsequent instruction.
2847 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2848 (var_reg_set, var_mem_set): ... new functions.
2849 (add_stores): Record subsequent insn.
2850 (compute_bb_dataflow): Use new functions for MO_USE.
2851 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2852 notes after the insn, and modify notes before the insn known
2853 to be the subsequent one.
2854 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2856 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2859 * config/i386/i386.c (ix86_expand_builtin): Use
2860 gen_sse3_monitor64 for TARGET_64BIT.
2862 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2864 PR rtl-optimization/26375
2865 PR rtl-optimization/26855
2866 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2868 (df_ru_bb_local_compute): Reversed statements and removed bogus
2869 comment explaining why they should be in wrong order.
2870 (df_ru_dump, df_rd_dump): Enhanced debug info.
2871 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2873 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2874 reaching uses and fixed space problem.
2876 2006-05-23 Jan Hubicka <jh@suse.cz>
2878 * cgraphunit.c (decide_is_function_needed): Also nested functions
2879 and functions declared inline can be optimized out at -O0.
2881 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2883 * doc/install.texi (Configuration): Remove reference to CrossGCC
2887 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2890 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2891 ix86_compare_emitted is non-NULL.
2893 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2896 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2899 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2901 PR rtl-optimization/25514
2902 * combine.c (replaced_rhs_insn): New variable.
2903 (combine_instructions): Set replaced_rhs_insn when trying to replace
2904 a SET_SRC with a REG_EQUAL note.
2905 (distribute_notes): Use replaced_rhs_insn when determining the live
2906 range of a REG_DEAD register.
2908 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2909 Anatoly Sokolov <aesok@post.ru>
2911 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2912 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2913 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2914 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2915 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2916 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2917 at90usb647, at90usb1286 and at90usb1287 devices.
2918 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2919 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2921 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2923 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2925 2006-05-22 Richard Guenther <rguenther@suse.de>
2928 2006-01-31 Richard Guenther <rguenther@suse.de>
2929 Paolo Bonzini <bonzini@gnu.org>
2931 * doc/install.texi (--disable-libgcc-math): Document.
2933 2006-05-22 Richard Guenther <rguenther@suse.de>
2936 2006-01-31 Richard Guenther <rguenther@suse.de>
2938 * doc/invoke.texi (-msselibm): Document.
2939 * target.h (expand_library_builtin): New target hook.
2940 * builtins.c (expand_builtin): Use expand_library_builtin.
2941 (default_expand_library_builtin): New function.
2942 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2943 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2944 (link_gcc_math_spec): Declare.
2945 (static_specs): Add link_gcc_math_spec.
2946 * expr.h (default_expand_library_builtin): Declare.
2947 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2948 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2949 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2950 * config/i386/i386.opt (msselibm): New target option.
2951 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2952 (ix86_init_sse_abi_builtins): New function.
2953 (ix86_expand_library_builtin): Likewise.
2954 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2955 (override_options): Handle error conditions wrt -msselibm.
2956 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2957 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2958 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2961 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2964 * c-common.c (self_promoting_args_p): Skip erroneous args.
2967 * c-decl.c (finish_struct): Skip erroneous fields.
2969 2006-05-22 Nick Clifton <nickc@redhat.com>
2971 * config/cris/cris.opt (march): Remove VarExists attribute.
2972 (max-stackframe=): Likewise.
2974 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2976 * doc/rtl.texi: Fix a typo.
2977 * see.c: Fix comment typos.
2979 * tree-ssa-structalias.h (alias_info): Remove num_references.
2981 2006-05-21 Mike Stump <mrs@apple.com>
2983 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2985 (darwin_pragma_options): Use BAD instead.
2986 (darwin_pragma_unused): Likewise.
2987 (darwin_pragma_ms_struct): Likewise.
2989 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2991 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2993 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2995 PR rtl-optimization/27671
2996 * simplify-rtx.c (simplify_relational_operation_1): Fix
2997 simplifications of (eq/ne (xor x y) y) and
2998 (eq/ne (xor x y) x).
3000 PR tree-optimization/26622.
3001 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3004 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3006 * tree-cfg.c: Prune whitespace.
3007 (debug_tree_cfg): Point to correct header containing the
3010 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3013 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3015 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3018 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3019 or sorry count is non zero.
3021 2006-05-20 Andreas Schwab <schwab@suse.de>
3023 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3025 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3026 Kenneth Zadeck <zadeck@naturalbridge.com>
3028 PR rtl-optimization/26855
3030 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3032 (df_scan_alloc): Added code to properly handle multiword hard
3033 registers and add all_blocks parameter.
3034 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3035 code to properly handle multiword hard registers.
3036 (df_rescan_blocks): Added code to remove deleted blocks from
3038 (df_ref_create_structure, df_ref_record): Added code to properly
3040 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3041 and set DF_REF_PARTIAL.
3042 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3043 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3044 (df_scan_add_problem): Added flags parameter.
3045 (df_ref_create_structure): Changed switching structure.
3046 (df_bb_refs_record): Fixed case where duplicate artificial refs
3047 were created. Changed location of flags.
3048 (df_record_entry_block_defs): Added code to make stack pointer
3049 live in entry block. Refined cases where frame pointer is needed.
3050 Changed location of flags.
3051 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3052 (df_set_state): Removed function.
3053 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3054 df_insn_create_insn_record, df_insn_refs_delete,
3055 df_ref_create_structure): Formatting changes.
3056 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3057 df_delete_basic_block): New function.
3058 (df_init): Changed location of flags.
3059 (df_add_problem): Added flags parameter and the way flags are
3061 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3062 debug_df_chain): Improved debugging output.
3063 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3064 (df_refs_chain_dump): Removed df parameter.
3065 (df_iterative_dataflow): Added consistency check.
3066 (df_prune_to_subcfg): Made public.
3067 (df_analyze_problem): Added blocks_to_init parameter and made
3069 (df_ref_record, df_bb_refs_record, df_mark_reg,
3070 df_record_exit_block_uses): Whitespace changes.
3071 (df_dump): Whitespace changes.
3072 * df.h: Some reordering to remove forward references.
3073 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3074 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3075 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3076 (dataflow.flags): New field.
3077 (df.flag): Deleted field.
3078 (df_alloc_function): Added additional bitmap parameter.
3079 (df_dependent_problem_function): New type.
3080 (df_problem.changeable_flags): New field.
3081 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3082 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3083 (df_mw_hardreg): New struct.
3084 (DF_INSN_UID_MWS): New macro.
3085 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3087 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3088 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3089 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3090 (df_set_state): Removed function.
3091 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3092 * df-problems.c (df_chain_dump): Removed df parameter.
3093 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3094 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3096 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3097 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3098 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3099 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3100 DF_REF_MUST_CLOBBER cases.
3101 (df_ru_bb_local_compute_process_def,
3102 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3103 df_lr_bb_local_compute, df_ur_bb_local_compute,
3104 df_chain_create_bb): Made subreg aware.
3105 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3106 df_lr_bb_local_compute, df_lr_bb_local_compute,
3107 df_chain_create_bb): Cleanup to use proper macros.
3108 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3109 code to fixup bitvectors.
3110 (df_ri_alloc): Cleared lifetime.
3111 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3112 df_create_unused_note): New function.
3113 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3114 REG_DEAD and REG_UNUSED notes as well as register information.
3115 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3116 df_chains_dump): Fixed crash if problem was never run.
3117 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3118 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3119 df_ri_add_problem): Processes flags in uniform manner.
3120 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3121 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3122 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3123 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3124 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3125 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3126 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3127 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3128 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3129 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3130 * see.c (see_initialize_data): Ditto.
3131 * final.c (rest_of_clean_state) Added regstack_completed.
3132 * rtl.h (regstack_completed): Ditto.
3133 * reg-stack.c (regstack_completed): Ditto.
3135 2006-05-19 Mike Stump <mrs@apple.com>
3137 * c-tree.h (default_conversion): Remove.
3138 * c-common.h (default_conversion): Add.
3140 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3142 * tree-vrp.c (valid_value_p): New function.
3143 (adjust_range_with_scev): Fail if the value of bound is not
3146 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3148 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3149 (mips_fallback_frame_state): Use syscall numbers to determine
3150 the appropriate li instruction for the current ABI. Only use
3151 __NR_sigreturn for o32.
3153 2006-05-19 Nicolas Setton <setton@adacore.com>
3155 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3156 * langhooks.c (lhd_dwarf_name): New function.
3157 * langhooks-def.h (lhd_dwarf_name): Declare.
3158 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3159 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3160 * ada/misc.c (gnat_dwarf_name): New function.
3161 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3163 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3165 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3167 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3168 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3169 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3170 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3171 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3172 determine the size of Wtype, etc.
3173 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3174 (swfloatfuncs): New variable.
3175 (dwfloatfuncs): Likewise.
3176 (lib2funcs): Remove floating-point conversion functions from
3177 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3178 the set of conversion routines needed. Allow entries to specify
3179 an object name, filename and word size. Update users accordingly.
3180 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3181 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3185 2006-02-08 Roger Sayle <roger@eyesopen.com>
3188 * config/fixtfdi.c: New libgcc source file.
3189 * config/fixunstfdi.c: New source file.
3190 * config/floatditf.c: New source file.
3191 * config/floatunditf.c: New souce file.
3192 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3193 files above instead of config/mips/_tilib.c.
3194 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3196 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3198 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3199 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3201 2006-05-18 Mike Stump <mrs@apple.com>
3203 Fix up vla, vm and [*] sematics.
3209 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3210 (c_vla_unspec_p): Add.
3211 (c_vla_type_p): Add.
3212 * c-decl.c (struct c_scope): Add had_vla_unspec.
3213 (build_array_declarator): Add support for [*].
3214 (grokdeclarator): Likewise.
3215 (grokparms): Likewise.
3216 (get_parm_info): Likewise.
3217 * c-objc-common.c (c_vla_unspec_p): Likewise.
3218 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3219 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3220 typeof when argument is a variably modified type not inside sizeof or alignof.
3221 (c_parser_direct_declarator_inner): Propagate errors.
3222 (c_parser_sizeof_expression): Add support for [*].
3223 (c_parser_parms_declarator): Initialize had_vla_unspec.
3224 (c_parser_parms_list_declarator): Likewise.
3225 * c-typeck.c (c_vla_type_p): Add.
3226 (composite_type): Add support for vla compositing.
3227 (comptypes_internal): Add support for vla compatibility.
3228 (c_expr_sizeof_expr): Evaluate vla arguments.
3229 * tree.c (variably_modified_type_p): Update comment for [*].
3231 2006-05-18 Michael Matz <matz@suse.de>
3234 * config.host: Make assignments to host_xmake_file cumulative.
3235 * config.host (*-darwin*): Test $host, not $target.
3237 2006-05-12 Stuart Hastings <stuart@apple.com>
3239 * config/i386/i386.opt (-mstackrealign): New flag.
3240 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3241 (ix86_handle_cconv_attribute): Emit error when
3242 force_align_arg_pointer attribute collides with too many regparms.
3243 (ix86_function_regparm): Limit regparms when used with
3244 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3245 Support stack-realigning prologue in non-main functions. Emit
3246 warning for nested functions under -mstackrealign, emit error for
3247 nested functions with force_align_arg_pointer attribute.
3248 * doc/extend.texi (force_align_arg_pointer): Document it.
3249 * doc/invoke.texi (-mstackrealign): Document it.
3251 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3253 PR rtl-optimization/27477
3254 * combine.c (try_combine): Don't split a parallel consisting
3255 of two sets into two individual sets if both sets reference
3258 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3260 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3261 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3263 * doc/options.texi (VarExists): Updated.
3265 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3267 * unwind-dw2.c: Add declarations for uw_update_context and
3269 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3270 detected, advance frame state and context once to skip over stub.
3272 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3276 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3277 Call rewrite_into_loop_closed_ssa only when something changed.
3278 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3279 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3280 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3281 Test for perfect_nest_p here. Fix formating.
3282 (replace_uses_equiv_to_x_with_y): Fix formating.
3283 (stmt_uses_op): Removed.
3284 (can_convert_to_perfect_nest): Removed loopivs parameter.
3285 Complete the test by checking the scalar dependences.
3286 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3289 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3292 From Dan Kegel <dank@kegel.com>:
3293 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3295 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3297 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3298 if the element type is variably modified without recursing.
3300 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3303 * tree-loop-linear.c (try_interchange_loops): Test for
3304 no data dependences.
3306 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3308 PR tree-optimization/27548
3309 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3310 range of ssa names that appear on abnormal edges.
3311 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3312 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3314 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3317 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3319 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3322 * tree.h (OMP_PARALLEL_COMBINED): Define.
3323 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3324 (new_omp_context): Add is_combined_parallel argument.
3325 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3326 new_omp_context caller.
3327 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3328 Adjust gimplify_scan_omp_clauses callers.
3329 (omp_is_private): Issue errors if iteration variable is firstprivate
3330 or reduction in the current context.
3331 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3332 on combined parallel workshare constructs.
3334 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3336 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3337 (gcc-options.o): New rule.
3339 * optc-gen.awk: Protect variables for gcc-options.o with
3340 #ifdef GCC_DRIVER/#endif.
3342 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3344 Fix PR tree-optimization/27373
3345 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3346 (forward_propagate_addr_expr): Update call.
3348 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3350 * doc/options.texi: Move the Negative option.
3352 2006-05-16 Richard Guenther <rguenther@suse.de>
3354 PR tree-optimization/22303
3355 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3357 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3358 ccp_fold did not simplify the statement.
3360 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3363 * Makefile.in (GCC_OBJS): New.
3364 (OBJS-common): Add opts-common.o.
3365 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3366 (cpp$(exeext)): Likewise.
3367 (gcc.o): Also depend on opts.h.
3368 (opts-common.o): New.
3370 * common.opt (gcoff): Add Negative(gdwarf-2).
3371 (gdwarf-2): Add Negative(gstabs).
3372 (gstabs): Add Negative(gstabs+).
3373 (gstabs+): Add Negative(gvms).
3374 (gvms): Add Negative(gxcoff).
3375 (gxcoff): Add Negative(gxcoff+).
3376 (gxcoff+): Add Negative(gcoff).
3377 * config/i386/i386.opt (m32): Add Negative(m64).
3378 (m64): Add Negative(m32).
3380 * doc/options.texi: Document the Negative option.
3382 * gcc.c: Include "opts.h".
3383 (main): Call prune_options after expandargv.
3385 * optc-gen.awk: Generate common declarations for all flag
3386 variables in options.c. Output the neg_index field.
3388 * opts.c (find_opt): Moved to ...
3389 * opts-common.c: Here. New file.
3391 * opts.h (cl_option): Add a neg_index field.
3393 (prune_options): Likewise.
3395 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3398 * omp-low.c (expand_omp_parallel): Don't assert
3399 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3400 instead search for it.
3403 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3406 2006-05-16 Andreas Schwab <schwab@suse.de>
3408 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3411 2006-05-15 Roger Sayle <roger@eyesopen.com>
3414 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3415 integer constants other than zero are only legitimate on TARGET_64BIT.
3416 <CONST_VECTOR> Only zero vectors are legitimate.
3417 (ix86_cannot_force_const_mem): Integral and vector constants can
3418 always be put in the constant pool.
3420 2006-05-16 DJ Delorie <dj@redhat.com>
3422 * crtstuff.c (__dso_handle): Set section from
3423 TARGET_LBIGCC_SDATA_SECTION if defined.
3424 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3425 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3427 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3430 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3433 2006-05-16 Ben Elliston <bje@au.ibm.com>
3435 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3437 2006-05-15 Per Bothner <per@bothner.com>
3439 * tree.c: (last_annotated_node): Use source_locus typedef.
3440 This permits bootstrapping with --enable-mapped-location.
3442 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3444 PR tree-optimization/26830
3445 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3446 (info_for_ssa_name, current_info_for_ssa_name_age,
3447 blocks_to_update): New variables.
3448 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3449 (clear_ssa_name_info, initialize_flags_in_bb,
3450 mark_block_for_update): New functions.
3451 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3452 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3453 prepare_def_site_for): Use mark_block_for_update.
3454 (mark_def_interesting): Assert that the processed block is marked in
3455 blocks_to_update. Do not take blocks argument.
3456 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3458 (rewrite_update_init_block, rewrite_update_stmt): Only process
3459 blocks with statements to rewrite.
3460 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3461 (update_ssa): Initialize and free blocks_to_update. Do not
3462 clear flags on statements. Do not use blocks bitmap.
3463 * tree.h (SSA_NAME_AUX): Removed.
3464 (struct tree_ssa_name): Removed aux field.
3465 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3467 2006-05-15 Richard Guenther <rguenther@suse.de>
3469 PR tree-optimization/27603
3470 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3471 Do computations in original type.
3473 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3475 * see.c: Code style changes such as redundant paranthesis,
3476 redundant intialization of local variables etc.
3477 (see_main): Declared now as static.
3478 * doc/invoke.texi: Update that -fsee is not enabled by
3481 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3483 * omp-low.c (check_omp_nesting_restrictions): New function.
3484 (scan_omp_1): Call it.
3487 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3488 construct, return *VAR.
3490 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3492 PR rtl-optimization/27406
3493 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3496 2006-05-14 Roger Sayle <roger@eyesopen.com>
3498 PR rtl-optimization/27538
3499 * combine.c (expand_compound_operation): Call gen_lowpart
3500 before calling simplify_shift_const.
3502 2006-05-14 Roger Sayle <roger@eyesopen.com>
3504 PR rtl-optimization/22563
3505 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3506 a fixed width bitfield, always force the intermediates into psuedos.
3508 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3511 * mkconfig.sh: Use operator = instead of == for test.
3513 2006-05-13 Nick Clifton <nickc@redhat.com>
3515 * dwarf2out.c (dbx_reg_number): Check return value from
3516 LEAF_REG_REMAP and only use it if it is valid.
3517 (multiple_reg_loc_descriptor): Likewise.
3519 2006-05-13 Richard Guenther <rguenther@suse.de>
3521 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3524 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3526 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3527 information attached to non-INSNs such as NOTEs.
3528 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3530 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3532 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3534 * config/s390/s390.md: Adjust comment describing On constraint.
3536 2006-05-11 Jan Hubicka <jh@suse.cz>
3538 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3539 to be output at -O0.
3541 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3544 * fold-const.c (size_binop): Move sanity check for arguments to
3545 the beginning of the function.
3548 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3551 2006-05-11 Richard Guenther <rguenther@suse.de>
3554 * fold-const.c (fold_unary): Handle intermediate conversion
3555 to a pointer type like intermediate conversion to an integer
3556 type in folding of (T1)(T2)var to var.
3557 Match the code to the comment in the final conversion for
3558 (T1)(T2)var to (T1)var regarding to type precision. Rather
3559 than disallow T1 being of pointer type, assert that both T1
3560 and var are of pointer type or not. Make sure not to fall
3561 over the frontends lazyness wrt array to pointer decay though.
3563 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3565 * arm.c (arm_struct_value_rtx): Delete.
3566 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3567 (arm_init_cumulative_args): Always initialize nregs to zero.
3569 2006-05-10 Richard Guenther <rguenther@suse.de>
3571 PR tree-optimization/27532
3572 * tree-object-size.c (plus_expr_object_size): Fix typo.
3574 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3577 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3578 ashrdi_const, ashrdi3): Use a scratch register.
3580 2006-05-10 Richard Guenther <rguenther@suse.de>
3582 PR tree-optimization/27302
3583 * fold-const.c (operand_equal_p): For two comparisons,
3584 try comparison of one comparison code swapped if that yields
3587 2006-05-10 Ben Elliston <bje@au.ibm.com>
3589 * tree-pretty-print.c (pretty_print_string): No need to handle
3590 '\0' as a special character.
3592 * tree.h: Include "hashtab.h".
3593 (iterative_hash_expr): Use hashval_t in its prototype.
3594 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3596 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3599 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3600 (hppa*64*-*-hpux11*): Ditto.
3601 (hppa[12]*-*-hpux11*): Ditto.
3603 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3606 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3608 2006-05-09 Michael Matz <matz@suse.de>
3610 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3611 host_extra_gcc_objs and host_xmake_file.
3612 (<*-*-linux*>): Don't overwrite host_xmake_file.
3613 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3614 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3615 (host_detect_local_cpu): Declare.
3616 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3617 * config/i386/i386.c (override_options): Handle -mtune=native
3619 * config/i386/x-i386: New file.
3620 * config/i386/driver-i386.c: New file.
3621 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3624 2006-05-09 Dirk Mueller <dmueller@suse.de>
3625 Richard Guenther <rguenther@suse.de>
3628 * fold-const.c (fold_read_from_constant_string): Relax check
3629 for matching types to matching modes.
3631 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3633 PR rtl-optimization/27335
3634 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3637 2006-05-08 Chao-ying Fu <fu@mips.com>
3638 Richard Sandiford <richard@codesourcery.com>
3640 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3641 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3642 * config/mips/mips.md (UNSPEC_SCC): New constant.
3643 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3644 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3645 (mips_emit_compare): Use it.
3646 (mips_expand_vcondv2sf): New function.
3648 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3650 Fix PR tree-optimization/27093
3651 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3652 renaming when they become not-used_alone.
3654 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3656 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3657 relocation and relocation stubs.
3659 2006-05-08 Eric Christopher <echristo@apple.com>
3661 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3664 2006-05-08 Jan Hubicka <jh@suse.cz>
3667 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3668 unused static functions are needed.
3670 2006-05-08 Roger Sayle <roger@eyesopen.com>
3673 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3674 of a reg_equiv_constant if the result is a legitimate constant.
3676 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3679 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3680 standard 80387 constants, raise the cost to prevent
3681 compress_float_constant() to generate load from memory.
3683 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3685 * config/arm/constraints.md (c): Fix a typo.
3687 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3690 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3693 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3695 (_mm_mwait): Likewise.
3697 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3699 (sse3_monitor): Make it 32bit only.
3700 (sse3_monitor64): New. 64bit monitor.
3702 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3705 * config/i386/i386.c (classify_argument): Skip fields with invalid
3708 2006-05-07 Richard Guenther <rguenther@suse.de>
3710 PR tree-optimization/27409
3711 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3712 Do not try to find zero-sized subvars.
3714 2006-05-07 Richard Guenther <rguenther@suse.de>
3716 PR tree-optimization/27136
3717 * tree-ssa-loop-niter.c (get_val_for): Correct function
3718 comment, assert requirements.
3719 (loop_niter_by_eval): Stop processing if the iterated
3720 value did not simplify.
3722 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3724 * opts.c (flag_see): remove its setting at -O3.
3726 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3728 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3729 * arm/constraints.md: New file.
3730 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3731 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3732 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3733 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3734 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3735 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3736 * arm.md: Include constraints.md.
3737 (thumb_movsi_insn): Use satisfies_constraint_J.
3738 (movhi, movqi): Use satisfies_constraint_I.
3740 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3742 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3743 for atmeg a645 device.
3745 2006-05-06 Richard Guenther <rguenther@suse.de>
3747 PR tree-optimization/27151
3748 * tree-vect-transform.c (vectorizable_condition): Punt on
3749 values that have a different type than the condition.
3751 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3754 * c-parser.c (c_parser_cast_expression): Only insert casts into
3755 hash table if pointer.
3756 * function.c (used_types_insert_helper): Rename from
3758 (used_types_insert): Call used_types_insert_helper.
3759 * function.h (used_types_insert): Accept only one argument.
3761 2006-05-05 David Edelsohn <edesohn@gnu.org>
3763 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3764 scratch with output modifier.
3766 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3769 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3770 with output modifier.
3772 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3775 * config/mips/mips.c (mips_symbolic_address_p): Return true
3776 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3777 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3779 2006-05-04 Richard Guenther <rguenther@suse.de>
3781 PR tree-optimization/14287
3782 PR tree-optimization/14844
3783 PR tree-optimization/19792
3784 PR tree-optimization/21608
3785 PR tree-optimization/27090
3786 * tree-ssa-pre.c (try_combine_conversion): New function.
3787 (compute_avail): After constructing the value-handle
3788 expression, use try_combine_conversion to combine NOP_EXPRs
3789 with previous value-handle expressions and use the result if it
3792 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3794 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3796 2006-05-04 Jan Hubicka <jh@suse.cz>
3799 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3801 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3803 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3804 that this only matches CONST_INTs. All users changed to VOIDmode
3807 * config/bfin/bfin.c: Include "optabs.h".
3808 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3810 (enum bfin_builtins): Add a number of fractional and vector builtins.
3811 (bfin_init_builtins): Likewise.
3812 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3813 (safe_vector_operand, bfin_expand_binop_builtin,
3814 bfin_expand_unop_builtin): New functions.
3815 (bfin_expand_builtin): Handle the new builtins.
3816 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3819 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3822 * Makefile.in (OBJS-common): Add see.o.
3823 (see.o): Add dependencies.
3824 * common.opt (fsee): New flag for the see optimization was added.
3825 * opts.c (flag_see): Initialized.
3826 * passes.c (init_optimization_passes, pass_see): New pass.
3827 * rtl.h (see_main): Declaration as extern.
3828 * timevar.def (TV_SEE): New.
3829 * tree-pass.h (pass_see): Declaration as extern.
3830 * invoke.texi (-fsee): Document.
3831 * recog.c (validate_simplify_insn): New function.
3832 * recog.h (validate_simplify_insn): Declaration as extern.
3833 * df-problems.c (df_chain_dump): Check for NULL.
3835 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3836 Daniel Berlin <dberlin@dberlin.org>
3838 * cfgrtl.c (insert_insn_bb_end_new): New function.
3839 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3841 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3843 * df.h (struct web_entry): Moved from web.c.
3844 (union_defs): Declaration as extern.
3845 (unionfind_root): Likewise.
3846 (unionfind_union): Likewise.
3847 * web.c (struct web_entry): Moved to df.h.
3848 (unionfind_root): Remove static declaration.
3849 (unionfind_union): Likewise.
3850 (union_defs): Likewise and generalize to use callback function.
3851 (web_main): Update arguments for union_defs function call.
3853 2006-05-04 Richard Guenther <rguenther@suse.de>
3855 PR tree-optimization/26447
3856 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3857 produce SSA_NAME copies before the store stmt to avoid
3858 breaking exception handling.
3860 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3863 * gimplify.c (omp_is_private): If var is shared in some outer context,
3864 return false instead of true. Stop searching on parallel context
3867 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3870 * coverage.c: Use get_gcov_unsigned_t() instead of
3871 unsigned_type_node all over.
3873 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3875 PR tree-optimization/27381
3876 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3877 maintain the same immediate_use links.
3878 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3879 node rather than segfaulting.
3881 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3884 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3885 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3886 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3888 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3890 Fix PR tree-optimization/26626
3891 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3893 * tree-ssa-operands.c (access_can_touch_variable): Allow
3894 typecasting through union pointers.
3896 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3899 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3900 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3901 to find if var will be a global variable even in the nested context.
3902 (omp_copy_decl): Only check for global variable at the end, it might
3903 be overridden in outer contexts.
3904 (scan_sharing_clauses): For global variables don't create a field.
3905 (lower_rec_input_clauses): Do nothing for global shared variables.
3906 Emit a barrier at the end of ILIST if there were any decls in both
3907 firstprivate and lastprivate clauses.
3908 (lower_send_clauses): Do nothing for global variables except for
3911 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3913 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3914 of the correct signedness is returned.
3916 2006-05-02 Jeff Law <law@redhat.com>
3918 PR tree-optimization/27364
3919 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3920 multiply expressions.
3922 2006-05-02 Tom Tromey <tromey@redhat.com>
3924 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3926 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3929 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3930 -mthumb -fPIC are used.
3932 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3933 Joshua Kinard <kumba@gentoo.org>
3936 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3937 with 64-bit pointers.
3939 2006-05-02 Paul Brook <paul@codesourcery.com>
3941 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3943 (create_fix_barrier): Check that a suitable barrier location is
3945 (arm_reorg): Include ftmp->address in allowable range of addresses.
3947 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3950 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3953 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3956 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3957 around RESULT_DECL for result passed by reference.
3958 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3959 * omp-low.c (use_pointer_for_field): Don't look at
3960 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3961 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3962 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3963 time or var for passing by reference for
3964 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3965 TREE_ADDRESSABLE variables when passing by reference.
3967 * omp-low.c (dump_omp_region): Fix output formatting.
3970 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3971 (expand_omp_parallel): Likewise.
3972 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3975 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3976 on statement list containing also constructors and destructors.
3977 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3980 * except.c (duplicate_eh_regions): Fix clearing of
3981 cfun->eh->region_array entries.
3983 2006-05-01 DJ Delorie <dj@redhat.com>
3985 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3987 (gcc_cv_objdump): Likewise.
3988 * configure: Regenerated.
3990 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3993 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3994 templates for case 3 and 4.
3996 2006-05-01 DJ Delorie <dj@redhat.com>
3998 * vec.c: Include bconfig.h when appropriate.
3999 * Makefile.in (build/vec.o): Adjust dependencies.
4000 * mkconfig.sh: Make sure config.h isn't used for build machine
4003 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4005 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4007 (mark_phi_for_rewrite): New function.
4008 (insert_phi_nodes_for, mark_use_interesting): Call
4009 mark_phi_for_rewrite.
4010 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4011 (update_ssa): Initialize and free phis_to_rewrite.
4013 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4015 PR rtl-optimization/27291
4016 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4017 folded to a constant.
4019 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4021 PR tree-optimization/27283
4022 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4023 not whole # of iteration descriptions.
4024 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4025 uses abnormal ssa name.
4026 (niter_for_single_dom_exit): Ditto.
4027 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4028 return just the number of iterations.
4030 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4032 PR tree-optimization/27144
4033 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4034 (record_estimate): Only record constant upper bound.
4035 (infer_loop_bounds_from_undefined): Call
4036 compute_estimated_nb_iterations just once.
4037 (proved_non_wrapping_p): Renamed to ...
4038 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4039 (convert_step_widening, scev_probably_wraps_p): Call
4040 n_of_executions_at_most instead of proved_non_wrapping_p.
4041 (substitute_in_loop_info): Do not replace values in bounds.
4042 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4045 2006-05-01 Richard Henderson <rth@redhat.com>
4048 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4049 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4052 2006-05-01 Roger Sayle <roger@eyesopen.com>
4054 * c-typeck.c (parser_build_binary_op): Don't call the function
4055 unsigned_conversion_warning to spot operand/result type overflow.
4056 (build_binary_op): Instead, call convert_and_check instead of
4057 convert to report the problem when the operands are promoted.
4058 * c-common.c (unsigned_conversion_warning): Make static.
4059 * c-common.h (unsigned_conversion_warning): Delete prototype.
4061 2006-05-01 Richard Guenther <rguenther@suse.de>
4063 PR tree-optimization/26726
4064 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4066 (find_interesting_uses_address): ... we work around here
4067 by folding INDIRECT_REFs in the substituted base.
4069 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4071 * omp-low.c (dump_omp_region): Add newlines.
4073 2006-04-30 Roger Sayle <roger@eyesopen.com>
4075 * common.opt (Woverflow): New command line option.
4076 * c-common.c (constant_expression_warning): Check warn_overflow.
4077 (overflow_waring): Pass OPT_Woverflow to warning.
4078 (unsigned_conversion_warning): Likewise.
4079 (convert_and_check): Likewise.
4080 * doc/invoke.texi: Document new command line option.
4082 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4084 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4085 TARGET_NO_FP_IN_TOC for section anchors.
4086 (optimization_options): Enable section anchors for all
4087 non-"Objective" languages.
4089 2006-04-28 Eric Christopher <echristo@apple.com>
4091 * config/darwin-c.c (darwin_ms_struct): Move this
4092 (darwin_set_default_type_attributes): and this...
4093 * config/darwin.c: ... here.
4094 * config/darwin.h (darwin_ms_struct): Declare.
4096 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4098 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4100 2006-04-28 Roger Sayle <roger@eyesopen.com>
4103 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4104 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4105 an unsigned HOST_WIDE_INT.
4106 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4108 (really_start_incremental_init): No need to call convert because
4109 bitsize_zero_node is already of type bitsizetype.
4110 (push_init_level): Extract the value of constructor_index as an
4111 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4112 (process_init_element): Likewise.
4114 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4116 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4117 value before passing to make_relative_prefix.
4119 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4122 * builtins.c (expand_builtin_memset): Expand val in original mode.
4124 2006-04-27 Eric Christopher <echristo@apple.com>
4126 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4127 with #ifndef/#endif.
4128 * config/darwin-c.c (darwin_ms_struct): New.
4129 (darwin_pragma_ms_struct): Ditto.
4130 (darwin_set_default_type_attributes): Ditto.
4131 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4132 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4133 Register ms_struct pragma.
4134 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4135 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4136 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4137 darwin_set_default_type_attributes if TARGET_MACHO.
4139 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4141 PR tree-optimization/26854
4142 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4143 * doc/tree-ssa.texi: Update immuse iterator documentation.
4144 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4145 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4146 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4147 first_safe_imm_use, next_safe_imm_use): Remove.
4148 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4149 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4150 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4151 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4152 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4153 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4154 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4155 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4156 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4157 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4158 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4159 (perfect_nestify): Use new iterator.
4160 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4162 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4163 (next_imm_name): New field in struct immediate_use_iterator_d.
4164 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4165 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4166 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4167 * tree-cfg.c (replace_uses_by): Use new iterator.
4168 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4169 * tree-ssa-operands.c (correct_use_link): Remove.
4170 (finalize_ssa_use_ops): No longer call correct_use_link.
4172 2006-04-27 Stuart Hastings <stuart@apple.com>
4174 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4175 * config/t-darwin (crt3.o): Use it.
4176 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4177 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4178 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4179 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4180 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4183 2006-04-27 Roger Sayle <roger@eyesopen.com>
4185 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4186 size, force the intermediate into a new pseudo rather instead of
4187 performing both a bitwise AND and a bitwise IOR in memory.
4189 2006-04-27 Richard Guenther <rguenther@suse.de>
4191 PR rtl-optimization/26685
4192 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4193 this one "max-flow-memory-locations".
4195 2006-04-27 Richard Guenther <rguenther@suse.de>
4197 PR tree-optimization/25148
4198 * tree-vrp.c (compare_values): Remove code dealing with
4199 comparisons against type min/max value. Honour overflow
4200 and negative constants in code dealing with comparisons
4201 of plus and minus expressions.
4202 (value_inside_range): Use fold_binary with LE_EXPR and
4203 GE_EXPR rather than compare_values.
4205 2006-04-27 Dirk Mueller <dmueller@suse.de>
4207 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4210 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4212 * basic-block.h (safe_insert_insn_on_edge): Removed.
4213 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4215 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4216 Paolo Bonzini <bonzini@gnu.org>
4219 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4220 (simplify_and_const_int): Same.
4222 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4224 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4226 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4229 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4230 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4231 cgraph_global_info_ready.
4234 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4237 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4238 either decl or init is error_mark_node.
4241 * tree-flow.h (struct omp_region): Add sched_kind.
4242 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4243 instead of extracting omp for data.
4244 (expand_omp_for): Save extracted sched_kind.
4246 2006-04-25 Roger Sayle <roger@eyesopen.com>
4248 * expmed.c (store_bit_field): Also check whether the bitsize is
4249 valid for the machine's "insv" instruction before moving the
4250 target into a pseudo for use with the insv.
4251 * config/i386/predicates.md (const8_operand): New predicate.
4252 * config/i386/i386.md (extv, extzv, insv): Use the new
4253 const8_operand predicate where appropriate.
4255 2006-04-25 DJ Delorie <dj@redhat.com>
4257 * doc/install.texi (Specific): Clarify that this is not a list of
4258 supported hosts or targets.
4260 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4262 PR rtl-optimization/26725
4263 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4264 block's BB_DIRTY flag.
4266 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4268 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4271 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4272 to print an integer.
4274 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4276 * varasm.c (align_variable): New function.
4277 (get_block_for_decl): Apply align_variable to DECL before
4278 calculating section information.
4279 (assemble_variable): Split out alignment computation.
4281 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4283 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4286 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4288 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4289 MODE_PARTIAL_INT mode.
4290 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4291 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4293 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4294 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4296 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4298 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4300 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4301 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4302 MACFLAG_IH): Likewise.
4303 (movstricthi_1): Renamed from "*movstricthi".
4304 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4305 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4306 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4307 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4308 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4309 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4310 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4311 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4312 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4313 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4314 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4315 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4316 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4317 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4318 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4320 * doc/rtl.texi (ss_ashift): Improve wording.
4322 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4324 * dwarf2out.c (verify_marks_clear): New.
4325 (prune_unused_types): Call verify_marks_clear initially, not
4328 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4330 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4331 * doc/rtl.texi: Document them.
4332 * simplify-rtx.c (simplify_unary_operation,
4333 simplify_binary_operation_1): Don't abort when we see them.
4335 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4338 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4339 * configure.ac: Completely disregard languages that are not
4341 * configure: Regenerated.
4343 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4344 Richard Guenther <rguenther@suse.de>
4346 PR tree-optimization/27236
4347 * tree-inline.c (copy_body_r): Make sure to copy
4348 TREE_THIS_VOLATILE flag.
4350 2006-04-24 Richard Guenther <rguenther@suse.de>
4353 * tree-complex.c (update_parameter_components): Don't handle
4354 unused parameters which have no default def.
4356 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4357 Richard Guenther <rguenther@suse.de>
4359 PR tree-optimization/27218
4360 * tree-inline.c (expand_call_inline): Strip useless type
4361 conversions for the return slot address.
4363 2006-04-24 Richard Guenther <rguenther@suse.de>
4365 * cfgloop.h (struct loops): Remove unused field array. Reorder
4367 (LOOP_PREFETCH): Remove.
4369 2006-04-24 Richard Guenther <rguenther@suse.de>
4371 PR tree-optimization/22525
4372 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4373 variable, adjust types of generated expressions.
4375 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4377 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4378 (tree-vect-patterns.o): Likewise.
4380 (cselib.o): Likewise.
4381 (loop-doloop.o): Likewise.
4382 (regclass.o): Likewise.
4383 (reload1.o): Likewise.
4384 (explow.o): Replace target.h with $(TARGET_H).
4385 (ipa-prop.o): Likewise.
4386 (ipa-cp.o): Likewise.
4387 (ipa-inline.o): Likewise.
4388 (reorg.o): Likewise.
4389 (reg-stack.o): Likewise.
4391 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4393 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4395 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4397 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4399 * configure.ac: Completely disregard languages that are not
4401 * configure: Regenerated.
4404 * c-common.h (c_build_bitfield_integer_type): Declare.
4405 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4406 * c-common.c (c_build_bitfield_integer_type): ... here.
4408 2006-04-23 Roger Sayle <roger@eyesopen.com>
4411 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4412 a SImode SUBREG of a floating point register after no_new_pseudos.
4414 2006-04-23 Roger Sayle <roger@eyesopen.com>
4416 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4417 identify potentially eliminable registers to additionally catch
4418 VIRTUAL_INCOMING_ARGS_REGNUM.
4419 (addsi3): Update the conditions on when to use addsi_small_int.
4421 2006-04-23 Roger Sayle <roger@eyesopen.com>
4424 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4425 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4426 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4428 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4430 * fold-const.c (range_predecessor): Use operand_equal_p
4431 as the predicate for equality.
4432 (range_successor): Likewise.
4434 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4437 * config/soft-fp/op-common.h: Fix a typo.
4439 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4442 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4443 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4445 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4447 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4449 * doc/tm.texi: Fix a typo.
4451 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4453 * dwarf2out.c (struct die_struct): Document that die_sib makes
4454 a circular linked list.
4455 (FOR_EACH_CHILD): New.
4456 (reverse_die_lists): Delete.
4457 (reverse_all_dies): Delete.
4458 (add_dwarf_attr): Correct documentation.
4459 (remove_child_with_prev): New.
4460 (remove_child_TAG): Update for change to die_struct, use
4461 remove_child_with_prev.
4462 (add_child_die): Update for change to die_struct.
4463 (splice_child_die): Use remove_child_with_prev and add_child_die.
4464 (print_die): Use FOR_EACH_CHILD.
4465 (die_checksum): Likewise.
4466 (assign_symbol_names): Likewise.
4467 (output_location_lists): Likewise.
4468 (build_abbrev_table): Likewise.
4469 (calc_die_sizes): Likewise.
4470 (mark_dies): Likewise.
4471 (unmark_dies): Likewise.
4472 (unmark_all_dies): Likewise.
4473 (output_die): Likewise.
4474 (prune_unused_types_mark): Likewise.
4475 (prune_unused_types_walk): Likewise.
4476 (same_die_p): Update for change to die_struct.
4477 (break_out_includes): Likewise.
4478 (prune_unused_types_prune): Likewise.
4479 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4480 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4482 (dwarf2out_finish): Don't call reverse_all_dies.
4484 2006-04-21 Eric Christopher <echristo@apple.com>
4486 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4487 in comments and function names.
4489 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4492 * c-typeck.c (digest_init): Robustify.
4494 * c-typeck.c (pop_init_level): Simplify.
4496 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4498 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4500 2006-04-21 Paul Brook <paul@codesourcery.com>
4502 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4503 hardware floating point.
4505 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4507 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4510 2006-04-21 Nick Clifton <nickc@redhat.com>
4512 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4515 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4518 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4519 C++ lang type in traceback table for Objective-C++.
4521 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4523 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4525 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4527 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4530 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4531 were errors. Remove check for erroneous objects.
4533 2006-04-20 Jeff Law <law@redhat.com>
4535 PR tree-optimization/26854
4536 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4537 checking for zero or one use.
4538 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4539 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4540 * tree-ssa-reassoc.c (negate_value): Similarly.
4541 (reassociate_bb): Similarly.
4543 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4545 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4546 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4547 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4549 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4551 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4552 fp regs if the last fp arg doesn't fit in regs.
4554 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4557 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4558 that the last insn has the REG_INC note.
4560 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4561 Nathan Sidwell <nathan@codesourcery.com>
4564 * stor-layout.c (update_alignment_for_field): Do not align
4566 (place_union_field): Place union field at the start of the union.
4567 (place_field): Move ERROR_MARK check later, and use the current
4568 allocation position to maintain monotonicity.
4570 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4572 * dominance.c: Include timevar.h.
4573 (calculate_dominance_info): Use TV_DOMINANCE.
4574 * timevar.def (TV_DOMINANCE): New timevar.
4575 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4577 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4579 PR rtl-optimization/14261
4580 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4581 move would be an INSV insn.
4582 (noce_process_if_block): Don't optimize if the destination is a
4583 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4585 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4587 * config/s390/s390.md: Add comments with the instructions emitted
4588 by an insn pattern if macros are used.
4590 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4592 PR rtl-optimization/26026
4593 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4594 is a known power of two shifted left a variable amount.
4596 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4598 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4599 to hash table twice when the debug_str section has SECTION_MERGE.
4601 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4603 * config/soft-fp: New directory. From glibc.
4604 * config/soft-fp/t-softfp: New.
4605 * config/soft-fp/README: New.
4606 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4607 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4608 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4609 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4610 * config.gcc: Use rs6000/t-fprules-fpbit or
4611 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4613 * config/rs6000/sfp-machine.h: New. Based on glibc.
4614 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4616 * config/rs6000/t-fprules: Remove fp-bit rules.
4617 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4618 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4619 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4620 (softfp_wrap_start, softfp_wrap_end): New.
4622 2006-04-18 DJ Delorie <dj@redhat.com>
4624 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4626 2006-04-18 Devang Patel <dpatel@apple.com>
4628 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4630 2006-04-18 Nick Clifton <nickc@redhat.com>
4632 * config/sh/t-symbian: Add rule to build sh-c.o
4633 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4634 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4635 (sh_symbian_encode_section_info): Likewise.
4637 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4639 * builtins.c (expand_builtin_strcmp): Cover label definition of
4640 do_libcall with HAVE_cmpstrnsi.
4642 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4644 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4646 * function.h (temp_slot_p): New.
4647 (function): Change the type of x_used_temp_slots to
4648 VEC(temp_slot_p,gc) *.
4650 2006-04-18 Nick Clifton <nickc@redhat.com>
4652 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4653 flag_strength_reduce.
4655 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4657 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4661 Partial revert of revision 112637
4662 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4663 Dale Johannesen <dalej@apple.com>
4666 * regclass.c (struct reg_pref): Update documentation.
4667 (regclass): Set prefclass to NO_REGS if memory is the best option.
4668 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4670 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4672 PR tree-optimization/26821
4673 * tree-ssa-math-opts.c (get_constant_one): New.
4674 (insert_reciprocals): Use it.
4676 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4678 * dwarf2out.c (free_AT): Delete.
4679 (remove_AT): Update string ref counts.
4680 (remove_child_TAG): Don't call free_die.
4682 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4683 or DW_TAG_GNU_EINCL.
4684 (prune_unused_types_walk_attribs): Reset string refcounts.
4685 (prune_unused_types_update_strings): New.
4686 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4687 call free_die. Do call prune_unused_types_update_strings.
4688 (prune_unused_types): Empty debug_str_hash.
4690 2006-04-17 Roger Sayle <roger@eyesopen.com>
4692 * expr.c (expand_assignment): Optimize away no-op moves where the
4693 source and destination are equal and have no side-effects.
4695 2006-04-17 Richard Guenther <rguenther@suse.de>
4698 * reload.c (push_reload): Guard calls to get_secondary_mem
4701 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4703 * alias.c (reg_base_value, old_reg_base_value): Change the
4704 type to VEC(rtx,gc) *.
4705 (REG_BASE_VALUE, find_base_value, record_set,
4706 init_alias_analysis): Use VEC instead of VARRAY.
4708 * alias.c (alias_sets): Change the type to
4709 VEC(alias_set_entry,gc) *.
4710 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4711 VEC instead of VARRAY.
4712 (last_alias_set): Remove.
4714 * cgraph.h (cgraph_edge_p): New.
4715 Update the prototype of cgraph_function_versioning.
4716 * cgraphunit.c (cgraph_copy_node_for_versioning,
4717 cgraph_function_versioning): Use VEC instead of VARRAY.
4718 * ipa-cp.c (ipcp_insert_stage): Likewise.
4720 2006-04-16 Roger Sayle <roger@eyesopen.com>
4723 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4724 "A op B" or "A op C", we may need to convert A to the type of B and C.
4726 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4728 * target.h (struct gcc_target): Add mode_rep_extended.
4729 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4730 (init_num_sign_bit_copies_in_rep): Initialize it using
4732 (truncate_to_mode): Use it.
4733 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4734 * targhooks.h (default_mode_rep_extended): Declare it.
4735 * targhooks.c (default_mode_rep_extended): Define it.
4736 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4737 default_mode_rep_extended.
4738 (TARGET_INITIALIZER): Include it.
4739 * doc/tm.texi (Misc): Document it.
4740 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4741 (mips_truncated_to_mode): New function.
4743 2006-04-16 Roger Sayle <roger@eyesopen.com>
4746 * expr.c (compress_float_constant): Copy the narrow constant into
4747 a new pseudo before extending it to its final width.
4749 2006-04-16 Roger Sayle <roger@eyesopen.com>
4750 Andrew Pinski <pinskia@gcc.gnu.org>
4751 Dale Johannesen <dalej@apple.com>
4754 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4755 special case code to implement V8HImode and V16QImode with SSE2.
4757 2006-04-15 Roger Sayle <roger@eyesopen.com>
4759 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4760 trees are constructed with a suitable tree type.
4762 2006-04-15 Roger Sayle <roger@eyesopen.com>
4764 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4765 (integer_onep): Likewise.
4766 (integer_all_onesp): Likewise.
4767 (integer_pow2p): Likewise.
4768 (integer_nonzerop): Likewise.
4769 (real_zerop): Likewise.
4770 (real_onep): Likewise.
4771 (real_twop): Likewise.
4772 (real_minus_onep): Likewise.
4773 (int_size_in_bytes): Likewise.
4774 (host_integerp): Likewise.
4776 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4778 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4779 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4780 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4782 * tree-ssa-structalias.h (alias_info): Remove num_references.
4784 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4786 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4787 (output_bvb patterns): Likewise.
4788 * pa.c (output_bb): Use 'bb' insn for long branch case.
4789 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4790 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4791 1. Correct length operand for alternatives 1 and 2.
4792 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4793 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4795 2006-04-14 Roger Sayle <roger@eyesopen.com>
4797 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4798 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4799 were accidentally reverted by r112959.
4801 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4804 * except.h (eh_region_outermost): New prototype.
4805 * except.c (eh_region_outermost): New function.
4806 * tree-cfg.c (find_outermost_region_in_block): Use it.
4808 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4810 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4812 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4813 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4814 (init_reload, reload): Use VEC instead of VARRAY.
4815 * reload.h: Update the prototype for
4816 reg_equiv_memory_loc_varray.
4818 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4819 Eric Botcazou <ebotcazou@libertysurf.fr>
4821 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4824 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4827 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4828 to expand fallback builtin function call.
4830 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4833 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4834 and emit libcall here in case the builtin fails.
4835 (expand_builtin_strcmp): Always emit the libcall here on failure.
4837 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4839 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4840 * flow.c (reg_n_info): Change the type to
4841 VEC(reg_info_p,heap) *.
4842 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4844 * regs.h (reg_info_p): New.
4845 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4846 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4847 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4850 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4852 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4854 * params.h (MAX_SCHED_READY_INSNS): New macro.
4855 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4856 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4857 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4858 the ready list for 1 cycle during the first scheduling pass.
4859 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4861 2006-04-13 Richard Henderson <rth@redhat.com>
4864 * gimple-low.c (lower_omp_directive): Remove dead code.
4865 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4866 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4867 * omp-low.c (struct omp_region): Move to tree-flow.h.
4868 (root_omp_region): Export.
4869 (omp_regions, lookup_omp_region): Remove.
4870 (determine_parallel_type): Update for struct omp_region changes.
4871 (dump_omp_region): Dump regions with block numbers.
4872 (new_omp_region): Take type and block instead of stmt; malloc
4874 (free_omp_region_1, free_omp_regions): New.
4875 (expand_parallel_call): Take entry_stmt as argument; update for
4876 changes to omp_region.
4877 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4878 (remove_exit_barriers): New.
4879 (expand_omp_parallel): Update for struct omp_region changes.
4880 (expand_omp_synch): Likewise.
4881 (expand_omp): Likewise.
4882 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4883 (expand_omp_for_static_chunk): Likewise.
4884 (expand_omp_for): Likewise.
4885 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4886 (expand_omp_sections): Similarly, with GOMP_sections_end.
4887 (expand_omp_single): New.
4888 (build_omp_regions_1): Update for OMP_CONTINUE.
4889 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4890 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4891 OMP_SECTIONS_SECTIONS.
4892 (lower_omp_single_simple): Don't emit barrier here.
4893 (lower_omp_single_copy): Likewise.
4894 (lower_omp_single): Fix bindings, and lower to straightline now.
4895 (lower_omp_master, lower_omp_ordered): Likewise.
4896 (lower_omp_critical): Likewise.
4897 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4898 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4899 omp edges, free it afterward.
4900 (make_omp_sections_edges): Remove.
4901 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4902 (move_stmt_r): Handle OMP_CONTINUE.
4903 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4904 statement pointers to basic blocks. Add type member.
4905 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4906 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4907 * tree-inline.c (estimate_num_insns_1): Likewise.
4908 * tree-pretty-print.c (dump_generic_node): Likewise.
4909 * tree-ssa-operands.c (get_expr_operands): Likewise.
4910 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4911 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4912 (OMP_CONTINUE): New.
4913 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4914 (OMP_SECTIONS_SECTIONS): Remove.
4915 (OMP_SECTION_LAST): New.
4916 (OMP_RETURN_NOWAIT): New.
4918 2006-04-13 Roger Sayle <roger@eyesopen.com>
4920 * fold-const.c (native_encode_vector, native_interpret_real):
4921 Correct obvious mistakes in the previous check-in.
4923 2006-04-13 Roger Sayle <roger@eyesopen.com>
4925 * fold-const.c (native_encode_expr): New function to encode
4926 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4927 or VECTOR_CST into a specified buffer.
4928 (native_encode_int): New function.
4929 (native_encode_real): New function.
4930 (native_encode_complex): New function.
4931 (native_encode_vector): New function.
4932 (native_interpret_expr): Inverse of native_encode_expr to convert
4933 a target representation into an INTEGER_CST, REAL_CST etc...
4934 (native_interpret_int): New function.
4935 (native_interpret_real): New function.
4936 (native_interpret_complex): New function.
4937 (native_interpret_vector): New function.
4938 (fold_view_convert_expr): New function to constant fold/evaluate
4939 a VIEW_CONVERT_EXPR of a suitable constant expression.
4940 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4941 Change call of build1 to fold_build1 when constructing a
4944 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4945 Ulrich Weigand <uweigand@de.ibm.com>
4948 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4951 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4954 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4955 optimize to lo_sum for DFmode if !TARGET_FPRS.
4957 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4959 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4960 delete_alias_info, compute_flow_sensitive_aliasing,
4961 group_aliases): Use VEC instead of VARRAY.
4962 * tree-ssa-structalias.c (update_alias_info): Likewise.
4963 * tree-ssa-structalias.h (alias_info): Change the type of
4964 processed_ptrs to VEC(tree,heap) *.
4966 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4969 * config/sh/lib1funcs.h: New file, broken out of:
4970 * config/sh/lib1funcs.asm.
4971 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4973 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4974 * config/sh/lib1funcs-Os-4-200.asm: New file.
4975 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4976 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4977 (EXTRA_MULTILIB_PARTS): Include it.
4978 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4979 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4980 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4981 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4984 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4986 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4987 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4988 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4990 * tree-ssa-live.h: Include vecprim.h.
4991 (tree_partition_associator_d): Change the type of
4992 first_partition to VEC(int,heap) *.
4993 (tpa_first_partition): Use VEC instead of VARRAY.
4995 * Makefile.in (GTFILES): Move functions.h after tree.h.
4996 * function.c (reset_block_changes, record_block_change,
4997 check_block_change, free_block_changes): Use VEC instead of
4999 * function.h (function): Change the type of
5000 ib_boundaries_block to VEC(tree,gc) *.
5001 * tree-inline.c (copy_cfg_body): Initialize
5002 ib_boundaries_block to NULL instead of (varray_type) 0.
5004 2006-04-12 Roger Sayle <roger@eyesopen.com>
5006 * expr.c (emit_group_store): Correct operand order in call to
5007 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5008 a SUBREG_BYTE of zero.
5010 2006-04-12 Richard Guenther <rguenther@suse.de>
5012 * profile.c (compute_branch_probabilities): Remove code
5013 encapsulated in !ir_type (), which are remanents of the
5014 removed RTL profiling code.
5015 * rtl-profile.c: Remove.
5017 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5019 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5020 magic NULL_RTX comment.
5021 (function_arg): Store entire fp arg to mem if any part should go
5023 (rs6000_arg_partial_bytes): Adjust for above change.
5025 2006-04-11 Roger Sayle <roger@eyesopen.com>
5027 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5028 if it hasn't been initialized by dwarf2out_init.
5030 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5032 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5033 symbolic constants in branch patterns.
5035 2006-04-11 Roger Sayle <roger@eyesopen.com>
5037 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5039 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5041 PR rtl-optimization/27073
5042 * gcse.c (try_replace_reg): Revert last change. Continue to search
5043 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5046 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5048 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5049 aggregate types other than record and union types.
5050 (function_arg): Likewise.
5051 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5053 (function_value): In 64-bit mode, return objects that require it
5056 2006-04-11 Roger Sayle <roger@eyesopen.com>
5058 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5060 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5062 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5064 2006-04-03 Jeff Law <law@redhat.com>
5067 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5068 alias information too.
5070 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5072 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5074 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5077 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5078 (premark_used_types_helper): New.
5079 (premark_used_types): New.
5080 (gen_subprogram_die): Call premark_used_types.
5081 (prune_unused_types_walk): Do not prune perennial dies.
5082 * function.c (used_types_insert): New.
5083 * function.h (struct function): Add used_types_hash field.
5084 (used_types_insert): Add prototype.
5085 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5086 * c-parser.c (c_parser_cast_expression): Save casted types in used
5089 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5092 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5093 rs6000_explicit_options.float_gprs.
5095 2006-04-10 Roger Sayle <roger@eyesopen.com>
5097 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5098 from ix86_expand_vector_init_low_nonzero. Take an additional
5099 one_var argument indicating which element is non-zero. Support
5100 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5101 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5102 with one_var instead of ix86_expand_vector_init_low_nonzero.
5104 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5106 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5107 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5108 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5109 build/genextract.o): Depend on vecprim.h.
5110 * cfglayout.c, df-problems.c, function.c, genextract.c,
5111 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5112 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5116 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5118 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5119 Declare VECs of this type.
5120 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5121 (remove_children): Delete.
5122 (add_dwarf_attr): Use VEC routines.
5123 (add_AT_flag): Update for changes to add_dwarf_attr.
5124 (add_AT_int): Likewise.
5125 (add_AT_unsigned): Likewise.
5126 (add_AT_long_long): Likewise.
5127 (add_AT_vec): Likewise.
5128 (add_AT_string): Likewise.
5129 (add_AT_die_ref): Likewise.
5130 (add_AT_fde_ref): Likewise.
5131 (add_AT_loc): Likewise.
5132 (add_AT_loc_list): Likewise.
5133 (add_AT_addr): Likewise.
5134 (add_AT_lbl_id): Likewise.
5135 (add_AT_lineptr): Likewise.
5136 (add_AT_macptr): Likewise.
5137 (add_AT_offset): Likewise.
5138 (add_AT_range_list): Likewise.
5139 (get_AT): Use VEC_iterate.
5140 (remove_AT): Use VEC_ordered_remove.
5141 (free_die): Fold remove_children into here; have it use VEC_iterate.
5142 (print_die): Use VEC_iterate on attrs.
5143 (reverse_die_lists): Don't reverse attr lists.
5144 (die_checksum): Use VEC_iterate on attrs.
5145 (same_die_p): Likewise.
5146 (output_location_lists): Likewise.
5147 (build_abbrev_table): Likewise.
5148 (size_of_die): Likewise.
5149 (unmark_all_dies): Likewise.
5150 (output_abbrev_section): Likewise.
5151 (output_die): Likewise.
5152 (prune_unused_types_walk_attribs): Likewise.
5154 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5156 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5158 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5161 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5163 2006-04-09 Roger Sayle <roger@eyesopen.com>
5165 * expr.c (store_constructor): Don't bother clearing target if
5166 we're about to assign a vector to it using vec_init_optab.
5168 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5170 * tree-ssa-alias.c (lhs_may_store_to): New function.
5171 (recalculate_used_alone): Handle LHS of calls.
5173 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5177 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5178 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5179 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5180 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5181 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5182 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5183 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5184 stubs. Add ".align 8" directives before all ".dword" directives.
5185 (GTHREAD_USE_WEAK): Revise comment.
5186 (TARGET_ATTRIBUTE_WEAK): Define.
5187 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5188 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5189 * stublib.c: New file.
5194 * pa.md (cbranch patterns): Revise arguments used in calls to
5195 output_cbranch, output_bb and output_bvd. Add long branch length
5197 (fbranch patterns): Handle long branches.
5198 (jump): Revise length check. Revise arguments for output_lbranch call.
5199 Add long branch length attributes.
5200 (decrement_and_branch_until_zero): Add long branch length attributes.
5201 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5202 Likewise. Revise arguments for output_parallel_addb and
5203 output_parallel_movb calls.
5204 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5205 output_parallel_movb and output_parallel_addb): Update prototypes.
5206 * pa.c (output_cbranch): Revise arguments. Correct handling of
5207 nullification in long branches.
5208 (output_lbranch): Add new argument to control extraction of delay
5210 (output_bb): Handle long branches.
5211 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5212 output_parallel_addb): Likewise.
5214 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5216 PR rtl-optimization/27073
5217 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5220 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5222 * tree.h (tree_memory_tag): Add old_used_alone.
5223 (SMT_OLD_USED_ALONE): New macro.
5224 * tree-ssa-alias.c (recalculate_used_alone): Stop
5225 marking things for renaming unnecessarily.
5227 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5229 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5230 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5231 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5232 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5233 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5234 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5235 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5236 spelling convensions.
5237 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5238 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5239 typos. Follow spelling conventions.
5241 2006-04-07 DJ Delorie <dj@redhat.com>
5243 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5244 passed on the stack.
5245 (m32c_init_cumulative_args): When a function returns a structure,
5246 always pass the pointer to that return area on the stack.
5247 (m32c_function_arg_advance): Don't increment the parameter number
5248 if we're processing the returned structure pointer.
5249 (pushm_info): Reverse order of registers.
5251 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5253 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5254 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5255 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5256 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5258 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5259 chrec_fold_multiply): Same.
5260 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5261 force_expr_to_var_cost): Same.
5262 * tree-mudflap.c (mf_xform_derefs_1): Same.
5263 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5265 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5267 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5268 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5271 2006-04-07 Jan Hubicka <jh@suse.cz>
5273 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5275 2006-04-07 Richard Guenther <rguenther@suse.de>
5277 PR tree-optimization/26135
5278 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5279 loads for store copy-prop.
5280 (copy_prop_visit_stmt): Likewise.
5282 2006-04-05 Robert Millan <robertmh@gnu.org>
5284 * config/i386/linux.h: Add a comment to mark macros that are
5285 being overriden in config/k*bsd-gnu.h.
5286 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5288 * config/knetbsd-gnu.h: Ditto.
5290 2006-04-06 Jan Hubicka <jh@suse.cz>
5294 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5297 2006-04-06 Mike Stump <mrs@apple.com>
5299 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5300 for HAVE_nonlocal_goto to be consistent.
5301 (expand_builtin_nonlocal_goto): Likewise.
5302 (expand_builtin_strcmp): Use #ifdef instead of #if
5303 for HAVE_cmpstrnsi to be consistent.
5305 2006-04-05 DJ Delorie <dj@redhat.com>
5307 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5310 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5312 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5313 got-relative addressing for anything but SImode.
5315 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5316 even if the calling function doesn't modify them.
5318 2006-04-05 Richard Guenther <rguenther@suse.de>
5320 PR tree-optimization/26919
5321 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5322 to cgraph_estimate_size_after_inlining.
5324 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5326 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5328 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5330 PR tree-optimization/26996
5331 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5332 VECTOR_TYPE variables.
5334 2006-04-05 Richard Guenther <rguenther@suse.de>
5336 PR tree-optimization/26763
5337 * fold-const.c (fold_comparison): Move folding of
5338 PTR + CST CMP PTR + CST ...
5339 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5341 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5343 * doc/install.texi (Prerequisites): Refine some wording on
5344 bootstrapping and ksh.
5345 Move the version numbers of DejaGnu here from the testing section
5346 and fix casing of names.
5347 Fix markup and clarify wording for autogen requirements.
5348 Refer to GCJ instead of just java.
5349 Refer to SVN instead of CVS.
5350 Describe diffutils as useful instead of necessary.
5351 (Downloading the source): Refer to SVN instead of CVS.
5352 Adjust a link to our web site accordingly.
5353 (Configuration): Fix casing of Bison.
5354 (Building): Refer to SVN instead of CVS.
5355 Fix a sentence on the use of Bison and remove duplicate (and
5356 incorrect) version number of Bison requirement.
5357 Remove one redundant list of packages needed for building.
5358 (Specific): Avoid reference to CVS.
5360 2006-04-04 Eric Christopher <echristo@apple.com>
5362 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5363 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5364 (rs6000_handle_struct_attribute): New.
5365 (rs6000_ms_bitfield_layout_p): Ditto.
5367 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5369 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5370 NULL for dso parameter to atexit_common.
5372 2006-04-04 Eric Christopher <echristo@apple.com>
5374 * config/i386/i386.c (machopic_output_stub): Output \t
5375 between instructions and operands.
5377 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5379 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5380 satisfies_constraint_[IL] to explicit tests on value.
5382 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5384 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5385 set_nb_iterations_in_loop): Use build_int_cst instead of
5387 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5388 build_int_cst instead of convert.
5390 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5392 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5393 new value 2 for incoming.
5394 * function.c (expand_function_start): Call struct_value_rtx
5396 * config/sparc/sparc.md: Comment updated_return.
5397 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5398 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5399 struct return if sparc_std_struct_return and incoming is 2.
5400 (print_operand): Do not adjust return if
5401 sparc_std_struct_return.
5403 2006-04-04 Roger Sayle <roger@eyesopen.com>
5405 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5406 convert in the middle-end.
5407 * expr.c (store_expr, store_constructor, get_inner_reference,
5408 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5410 * tree.c (build_range_type): Likewise.
5412 2006-04-04 Tom Tromey <tromey@redhat.com>
5414 * doc/install.texi (Prerequisites): Mention jar.
5416 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5418 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5421 2006-04-04 Matthias Klose <doko@debian.org>
5423 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5424 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5427 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5429 * doc/extend.texi (Function Attributes): Rewrite visibility
5430 attribute documentation.
5431 * doc/invoke.texi (C++ Dialect Options): Rewrite
5432 -fvisibility-inlines-hidden documentation to describe something
5433 entirely different, although in practise compatible.
5434 (Code Gen Options): Warn about system headers in -fvisibility=
5437 * doc/extend.texi (Other Builtins): Document that
5438 __builtin_nan is a compile-time constant only when its argument
5441 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5443 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5444 trying to remove TRUNCATE check if all bits outside the new mode
5445 are identical to the sign bit.
5447 2006-04-03 Jeff Law <law@redhat.com>
5449 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5450 and operand scanning in some common cases.
5452 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5453 Dale Johannesen <dalej@apple.com>
5456 * regclass.c (struct reg_pref): Update documentation.
5457 (regclass): Set prefclass to NO_REGS if memory is the best option.
5458 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5459 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5460 into account. For non-registers, equate an empty preferred
5461 reload class to a `!' in the constraint; move the if clause to
5462 do so after those that reject the insn.
5463 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5465 (find_dummy_reload): Likewise.
5466 * doc/tm.texi (Register Classes): Document what it means
5467 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5468 * config/i386/i386.c (ix86_preferred_reload_class): Force
5469 using SSE registers (and return NO_REGS for floating-point
5470 constants) if math is done with SSE.
5471 (ix86_preferred_output_reload_class): New.
5472 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5473 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5474 * config/i386/i386.md: Remove # register preferences.
5476 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5479 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5480 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5481 the type of nb_iter.
5482 (instantiate_parameters_1): Convert the operands before calling
5483 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5484 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5486 2006-04-02 Roger Sayle <roger@eyesopen.com>
5488 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5489 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5491 * dojump.c (do_jump): Likewise.
5492 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5493 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5494 gimplify_boolean_expr): Likewise.
5495 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5496 * varasm.c (array_size_for_constructor): Likewise.
5497 * tree-object-size.c (compute_object_offset): Likewise.
5499 2006-04-02 Roger Sayle <roger@eyesopen.com>
5502 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5503 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5505 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5507 PR tree-optimization/26939
5508 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5510 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5512 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5513 at_stmt. Convert the type of operands before calling
5514 build_polynomial_chrec.
5515 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5517 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5518 (instantiate_parameters_1): Convert the type of operands before calling
5519 build_polynomial_chrec.
5520 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5521 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5522 reset_evolution_in_loop): Insert asserts to check the types of the
5524 (chrec_type): Moved...
5525 (eq_evolutions_p): Use operand_equal_p.
5526 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5527 the types of the operands.
5528 (chrec_type): ...here.
5529 * tree-data-ref.c (create_data_ref): Convert the operands before
5530 calling chrec_replace_initial_condition.
5531 (same_access_functions, analyze_subscript_affine_affine,
5532 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5533 (compute_subscript_distance, analyze_ziv_subscript,
5534 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5535 analyze_miv_subscript): Convert the operands before calling
5536 chrec_fold_minus or chrec_fold_plus.
5538 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5540 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5541 the dependence_relations vector.
5542 (compute_data_dependences_for_loop): Adjust call to
5543 compute_all_dependences.
5545 2006-04-01 Roger Sayle <roger@eyesopen.com>
5546 Richard Henderson <rth@redhat.com>
5548 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5549 gimple_boolify on the condition before calling gimplify_expr.
5551 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5553 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5554 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5555 the frame size. Update to use the new macros.
5556 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5557 * config/xtensa/ieee754-df.S: Likewise.
5559 2006-03-31 Richard Henderson <rth@redhat.com>
5561 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5562 (make_edges): ... here. Control fallthru creation with a local
5563 variable. Do not play with fake edges.
5564 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5565 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5568 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5570 * dwarf2.h (DW64_CIE_ID): Define.
5571 * dwarf2out.c (DWARF_CIE_ID): Define.
5572 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5573 length header. Use DWARF_CIE_ID.
5574 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5575 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5577 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5579 * config/sh/linux-atomic.asm: New file.
5580 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5582 2006-03-31 DJ Delorie <dj@redhat.com>
5584 * config/m32c/cond.md: Set condition flags properly throughout.
5585 * config/m32c/minmax.md: Likewise.
5586 * config/m32c/prologue.md: Likewise.
5587 * config/m32c/bitops.md: Likewise.
5588 * config/m32c/muldiv.md: Likewise.
5589 * config/m32c/mov.md: Likewise.
5590 * config/m32c/addsub.md: Likewise.
5591 * config/m32c/m32c.md: Likewise.
5592 * config/m32c/jump.md: Likewise.
5593 * config/m32c/shift.md: Likewise.
5595 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5596 conditionally output the pattern for this.
5597 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5598 (m32c_compare_redundant): New.
5599 (m32c_output_compare): New.
5600 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5602 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5603 dest, not src. Allow other 4-byte modes.
5605 2006-03-30 Denis Chertykov <denisc@overta.ru>
5607 * doc/md.texi: Refer to avr/constraints.md instead of
5610 2006-03-30 Roger Sayle <roger@eyesopen.com>
5612 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5613 signed vs. unsigned comparison failures on some hosts.
5615 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5618 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5619 change to FLOAT_REGS.
5621 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5622 (rs6000_override_options): Use it.
5623 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5624 only for -mabi=spe/no-spe and -mabi=altivec.
5626 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5628 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5631 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5633 * Makefile.in: Rename docdir to gcc_docdir.
5635 2006-03-30 Roger Sayle <roger@eyesopen.com>
5638 * expr.c (emit_group_store): Optimize group stores into a pseudo
5639 register by using a paradoxical subreg to initialize the destination
5640 if the first or last member of the group specifies a "low part".
5642 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5645 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5646 * target.h (struct gcc_target.speculate_insn): Change type of the
5647 second parameter to 'int'.
5648 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5649 the second operand of the DEPS_LIST.
5650 (copy_DEPS_LIST_list): Update reference to the second operand of the
5652 * rtl.h (alloc_DEPS_LIST): Update signature.
5653 * sched-int.h (ds_t): Change typedef to 'int'.
5654 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5656 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5658 * haifa-sched.c (try_ready): Change condition to restore
5659 non-speculative pattern of the instruction.
5660 (process_insn_depend_be_in_spec): Code to keep probability of the
5661 speculative dependence non-decreasing.
5663 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5665 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5666 (single_move_for_movmem): ... this. Also change all uses.
5667 (bfin_expand_strmov): Renamed to...
5668 (bfin_expand_movmem): ... this. Also change all uses.
5669 * config/bfin/bfin.md (movstrsi): Renamed to...
5670 (movstrsi): ...this.
5672 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5674 PR tree-optimization/26830
5676 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5677 (copy_prop_visit_stmt): Remove write-only variable ann.
5678 (init_copy_prop): Check variable loop depth here. Do not simulate
5679 memory-tag and virtual operand PHIs except for store copy prop.
5681 2006-03-30 Richard Guenther <rguenther@suse.de>
5683 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5684 variants with double arguments.
5686 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5688 * genpreds.c (write_tm_constrs_h): Delete variable p.
5689 * genconditions.c (write_header): Add tm-constrs.h to included
5691 * genpeep.c (main): Add toplev.h to included headers.
5692 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5693 (build/genpeep.o): Add toplev.h dependency.
5694 * config/rs6000/constraints.md: Add "W" constraint.
5696 2006-03-29 Roger Sayle <roger@eyesopen.com>
5698 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5699 sizes by correctly testing whether the size fits a host integer.
5700 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5701 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5702 SImode range for the default sizetype and bitsizetype.
5704 2006-03-29 Roger Sayle <roger@eyesopen.com>
5706 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5707 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5708 quickly if the argument is already of the correct type.
5709 Call fold_build1 instead of build1. Tidy up blank lines.
5711 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5713 * genemit.c (main): Add tm-constrs.h to included headers.
5714 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5715 * genpeep.c (main): Add tm-constrs.h to included headers.
5716 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5717 (write_tm_constrs_h): this and write complete file.
5718 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5719 (write_insn_preds_c): Add tm-constrs.h to included headers.
5720 (gen_constrs): New variable.
5721 (parse_option): Parse "-c".
5722 (main): Invoke write_tm_constrs_h.
5723 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5724 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5725 (object_out_file): Add tm-constrs.h dependency.
5726 (insn-emit.o): Same.
5727 (insn-output.o): Same.
5728 (insn-peep.o): Same.
5729 (insn-preds.o): Same.
5730 (insn-recog.o): Same.
5731 (tm-constsr.h): New target.
5732 (s-constrs-h): New target.
5734 * config/rs6000/constraints.md: New file.
5735 * config/rs6000/rs6000.c: Include tm-constrs.h.
5736 (num_insn_constant_wide): Convert to satisfies_constraint.
5737 (rs6000_rtx_costs): Convert to satisfies_constraint.
5738 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5739 (CONST_OK_FOR_LETTER_P): Delete.
5740 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5741 (EXTRA_CONSTRAINT): Delete.
5742 (EXTRA_MEMORY_CONSTRAINT): Delete.
5743 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5744 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5745 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5746 satisfies_constraint.
5748 * config/i386/i386.c: Include tm-constrs.h.
5750 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5752 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5753 * tree-data-ref.c (find_data_references_in_loop,
5754 compute_data_dependences_for_loop): Use pointers to VEC.
5755 (analyze_all_data_dependences): Adjust calls.
5756 * tree-data-ref.h (find_data_references_in_loop,
5757 compute_data_dependences_for_loop): Adjust declarations.
5758 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5759 compute_data_dependences_for_loop.
5761 2006-03-29 Paul Brook <paul@codesourcery.com>
5763 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5766 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5768 PR tree-optimization/26859
5769 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5771 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5772 for the step after fold_convert.
5774 2006-03-29 Paul Brook <paul@codesourcery.com>
5776 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5777 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5779 2006-03-29 Paul Brook <paul@codesourcery.com>
5782 * targhooks.c (default_narrow_bitfield): New fuction.
5783 * targhooks.h (default_narrow_bitfield): add prototype.
5784 * target.h (gcc_target): Add narrow_volatile_bitfield.
5785 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5786 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5787 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5788 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5790 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5792 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5794 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5795 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5796 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5797 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5798 (s390_function_arg_float): Allow SDmode and DDmode values to be
5799 passed in floating point registers.
5800 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5801 check with SCALAR_FLOAT_MODE_P.
5802 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5804 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5806 PR tree-optimization/25985
5807 * tree-ssa-loop-niter.c (number_of_iterations_le,
5808 number_of_iterations_ne): Make comments more precise.
5809 (number_of_iterations_cond): Add only_exit argument. Use the
5810 fact that signed variables do not overflow only when only_exit
5812 (loop_only_exit_p): New.
5813 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5814 number_of_iterations_cond.
5816 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5818 PR tree-optimization/26643
5819 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5822 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5824 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5825 (divsi3_i4_int): Likewise.
5827 2006-03-28 Roger Sayle <roger@eyesopen.com>
5829 * expr.c (emit_group_store): Only create a new pseudo reg if the
5830 quantity it needs to hold isn't already a suitable pseudo.
5832 2006-03-28 Jeff Law <law@redhat.com>
5834 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5835 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5837 2006-03-28 Roger Sayle <roger@eyesopen.com>
5839 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5840 the equivalent ~X & Y, and the symmetry related transformations.
5841 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5842 ~X & Y, and symmetry related transforms.
5844 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5846 Revert my 2006-03-27 patches.
5848 2006-03-28 Roger Sayle <roger@eyesopen.com>
5850 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5851 ~(T1)X, when T1 and T2 are integer types of the same precision
5852 and (T2)X isn't an extension.
5854 2006-03-28 Jeff Law <law@redhat.com>
5856 PR tree-optimization/26796
5857 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5858 need EH edge cleanups rather than purging them immediately.
5859 (eliminate_degenerate_phis): Handle queued EH cleanups.
5861 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5863 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5866 2006-03-27 Roger Sayle <roger@eyesopen.com>
5869 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5870 cast BIT_NOT_EXPR operand to the correct type.
5872 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5874 * tree-loop-linear.c: Don't include varray.h.
5875 (gather_interchange_stats, try_interchange_loops,
5876 linear_transform_loops): Use VEC instead of VARRAY.
5877 * lambda-mat.c: Don't include varray.h.
5878 * tree-chrec.c: Same.
5879 * lambda-trans.c: Same.
5880 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5881 VEC instead of VARRAY.
5882 * tree-vectorizer.h: Idem.
5883 * tree-data-ref.c (dump_data_references,
5884 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5885 initialize_data_dependence_relation, finalize_ddr_dependent,
5886 compute_all_dependences, find_data_references_in_loop,
5887 compute_data_dependences_for_loop, analyze_all_data_dependences,
5888 free_dependence_relation, free_dependence_relations,
5889 free_data_refs): Idem.
5890 * tree-data-ref.h (data_reference_p, subscript_p): New.
5891 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5892 VEC instead of VARRAY.
5893 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5894 (find_data_references_in_loop, compute_data_dependences_for_loop,
5895 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5896 dump_data_dependence_relations, free_dependence_relations,
5897 free_data_refs): Adjust declaration.
5898 (lambda_transform_legal_p): Move declaration here...
5899 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5900 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5901 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5902 vect_analyze_data_refs): Use VEC instead of VARRAY.
5903 * lambda.h (lambda_transform_legal_p): ...from here.
5904 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5905 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5906 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5907 tree-chrec.o): Don't depend on VARRAY_H.
5909 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5911 * rtl.def (Copyright): Update date.
5912 (DEPS_LIST): Change type of the second operand to 'int'.
5913 * target.h (Copyright): Update date.
5914 (struct gcc_target.speculate_insn): Change type of the second parameter
5916 * lists.c (Copyright): Update date.
5917 (alloc_DEPS_LIST): Change signature. Update reference to the second
5918 operand of the DEPS_LIST.
5919 (copy_DEPS_LIST_list): Update reference to the second operand of the
5921 * rtl.h (Copyright): Update date.
5922 (alloc_DEPS_LIST): Update signature.
5923 * sched-int.h (Copyright): Update date.
5924 (ds_t): Change typedef to 'int'.
5925 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5927 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5929 * haifa-sched.c (Copyright): Update date.
5930 (try_ready): Change condition to restore non-speculative pattern
5932 (process_insn_depend_be_in_spec): Code to keep probability of the
5933 speculative dependence non-decreasing.
5935 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5937 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5938 shut up the compiler.
5940 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5942 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5943 to use lib prefix for target.
5944 ($(T)libic_invalidate_array_4-200.a): Likewise.
5945 ($(T)libic_invalidate_array_4a.a): Likewise.
5947 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5948 J"orn Rennecke <joern.rennecke@st.com>
5950 * superh.opt: New file.
5951 * sh.c (boardtype, osruntime): Remove.
5952 * superh.h (SUBTARGET_OPTIONS): Remove.
5953 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5955 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5956 arguments with ^ and/or [].
5958 * config.gcc (sh-*-*): Add quoting to account for quirk of
5960 Replace == with = in enable_incomplete_targets test.
5962 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5963 with MASK_LITTLE_ENDIAN.
5965 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5966 * config/sh/sh.opt: Added to some comments.
5967 * config/sh/superh.h: Removed some chaff.
5969 * config/sh/sh.opt: Add m4-[1234]00* options.
5970 * config/sh/sh.c (sh_handle_option): Likewise.
5971 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5972 (ic_invalidate_array_4-100.o): New rule.
5973 ($(T)libic_invalidate_array_4-100.a): Likewise.
5974 (ic_invalidate_array_4-200.o): Likewise.
5975 ($(T)libic_invalidate_array_4-200.a): Likewise.
5976 (ic_invalidate_array_4a.o): Likewise.
5977 ($(T)libic_invalidate_array_4a.a): Likewise.
5978 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5979 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5981 * config/sh/crt1.asm: Merged in profiling code.
5982 * config/sh/superh.h (STARTFILE_SPEC): Override.
5983 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5984 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5985 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5987 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5988 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5989 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5991 * sh.opt (mpretend-cmove): New option.
5992 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5993 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5994 (movsicc): Add TARGET_PRETEND_CMOVE code.
5996 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5998 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5999 s390_class_max_nregs): New function prototypes.
6000 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6001 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6002 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6003 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6005 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6007 * dwarf2out.c (add_location_or_const_value_attribute): Call
6008 tree_add_const_value_attribute if nothing else works.
6009 (reference_to_unused): New.
6010 (rtl_for_decl_init): Use reference_to_unused to decide whether
6011 to output an initializer.
6013 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6016 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6017 peephole removing spe frob_di_df_2.
6019 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6021 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6022 (subscript_dependence_tester_1): Declared.
6023 (print_dir_vectors, print_dist_vectors): New.
6024 (debug_data_dependence_relation): New.
6025 (dump_data_dependence_relation): Print more details.
6026 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6027 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6028 (save_dist_v, save_dir_v, add_outer_distances,
6029 build_classic_dist_vector_1): New.
6030 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6031 Don't test for lambda_vector_lexico_pos.
6032 (same_access_functions, add_multivariate_self_dist,
6033 add_other_self_distances, dir_from_dist): New.
6034 (build_classic_dir_vector): Replace implementation almost identical to
6035 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6037 (subscript_dependence_tester_1): New.
6038 (subscript_dependence_tester): Handle the lexicographically negative
6039 distance vectors by recomputing the dependence relation.
6040 (compute_affine_dependence): Remove parameter loop_nest_depth.
6041 (compute_self_dependence): Don't call compute_subscript_distance.
6042 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6043 Add a parameter for the loop_nest.
6044 (find_loop_nest_1, find_loop_nest): New.
6045 (compute_data_dependences_for_loop): Compute the loop nest, and give
6046 up if the nest is not well formed.
6047 * tree-data-ref.h (loop_p): New.
6048 (struct data_dependence_relation): Replace size_vect field with
6049 loop_nest, a vec of loops.
6050 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6051 (DDR_LOOP_NEST): New.
6052 (print_dir_vectors, print_dist_vectors,
6053 debug_data_dependence_relation): Declared.
6054 (index_in_loop_nest): New.
6055 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6056 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6059 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6061 * simplify-rtx.c (simplify_relational_operation): Call
6062 simplify_relational_operation_1 even if mode is VOIDmode.
6064 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6066 PR tree-optimization/26804
6067 * tree.h (DECL_CALL_CLOBBERED): New macro.
6068 (tree_decl_common): Add call_clobbered_flag.
6069 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6070 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6071 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6072 (mark_non_addressable): Ditto.
6073 * tree-ssa.c (verify_call_clobbered): New function.
6074 (verify_alias_info): Use it.
6075 * tree-pass.h (pass_reset_cc_flags): New prototype.
6076 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6077 (reset_cc_flags): New function.
6078 * passes.c (init_optimization_passes): Call reset_cc_flags after
6079 initializing referenced_vars.
6081 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6082 Roger Sayle <roger@eyesopen.com>
6085 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6086 to 1.0 for non-real operands. Implement A / A optimization for
6089 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6091 * config/i386/i386.c (size_cost): Correct the comment for
6092 cost of storing fp registers.
6093 (i386_cost): Likewise.
6094 (i486_cost): Likewise.
6095 (pentium_cost): Likewise.
6096 (pentiumpro_cost): Likewise.
6097 (k6_cost): Likewise.
6098 (athlon_cost): Likewise.
6099 (k8_cost): Likewise.
6100 (pentium4_cost): Likewise.
6101 (nocona_cost): Likewise.
6102 (generic64_cost): Likewise.
6103 (generic32_cost): Likewise.
6105 2006-03-24 Denis Chertykov <denisc@overta.ru>
6107 * config/avr/avr-protos.h (extra_constraint): Delete.
6108 (extra_constraint_Q): New declaration.
6109 * config/avr/constraints.md: New file.
6110 * config/avr/avr.md: Include it.
6111 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6112 (TMP_REGNO, ZERO_REGNO): Likewise.
6113 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6114 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6115 (extra_constraint): Delete.
6116 (extra_constraint_Q): Test for memory constraint 'Q'.
6117 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6118 (REG_CLASS_FROM_LETTER): Delete.
6119 (CONST_OK_FOR_LETTER_P): Delete.
6120 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6121 (EXTRA_CONSTRAINT): Delete.
6122 (TMP_REGNO): Delete.
6123 (ZERO_REGNO): Delete.
6125 2006-03-24 Jeff Law <law@redhat.com>
6127 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6128 directly. Call mark_new_vars_to_rename slightly earlier.
6130 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6132 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6134 (gen_compile_unit_die): Use new language types for Objective-C and
6136 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6137 DW_LANG_C_plus_plus.
6140 * config/t-darwin (crt3.o): Work around bug 26840.
6141 * config/darwin-crt3.c: Rewrite.
6142 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6144 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6146 * doc/invoke.texi: Document -femit-class-debug-always
6147 * common.opt: Add -femit-class-debug-always.
6149 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6151 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6152 index and base register.
6153 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6154 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6155 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6156 REGNO_OK_FOR_INDEX_P.
6157 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6159 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6160 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6161 REG_OK_FOR_BASE_P): Definitions removed.
6163 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6166 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6167 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6168 set yet or weren't marked as local yet.
6170 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6172 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6175 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6177 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6178 (rs6000_legitimate_small_data_p): Delete.
6179 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6180 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6181 and make static. Add forward declaration. Update uses.
6182 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6183 of offsettable_memref_p.
6184 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6185 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6187 2006-03-24 Jeff Law <law@redhat.com>
6189 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6190 around bug in immediate-use iterator.
6192 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6195 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6196 or __LITTLE_ENDIAN__.
6198 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6200 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6201 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6202 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6203 * config/sh/sh.opt (mdiv=): Amend description.
6204 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6205 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6206 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6207 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6208 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6209 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6210 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6211 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6212 TARGET_DIVIDE_CALL_FP.
6214 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6216 * haifa-sched.c (choose_ready): Fix type of the local variable.
6217 Move local variables. Add comment.
6218 (check_reg_live): Change signature. Make callable from debugger.
6219 * sched-int.h (check_reg_live): Update signature.
6220 * sched-ebb.c (check_reg_live): Update parameters.
6221 * sched-rgn.c (check_reg_live): Ditto.
6222 (region_head_or_leaf_p): Check pointer before dereferencing.
6223 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6224 before reload on optimization levels below 1.
6226 2006-03-23 Richard Henderson <rth@redhat.com>
6228 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6232 * config/alpha/predicates.md (local_symbolic_operand): Reject
6235 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6238 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6239 expressions which have overflowed constants.
6241 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6243 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6245 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6247 * cfgloopmanip.c (create_loop_notes): Removed.
6248 * final.c (final_scan_insn): Do not handle loop notes.
6249 * jump.c (squeeze_notes): Ditto.
6250 * cfglayout.c (skip_insns_after_block,
6251 duplicate_insn_chain): Ditto.
6252 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6254 * cfgloop.h (create_loop_notes): Declaration removed.
6256 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6258 * varasm.c (output_constant_pool): Restore fnname and fndecl
6260 (assemble_start_function): Adjust call accordingly.
6261 (assemble_end_function): Likewise.
6263 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6266 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6269 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6271 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6274 * system.h (ICE_EXIT_CODE): New macro.
6275 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6276 (diagnostic_action_after_output): Likewise.
6277 * gcc.c (fatal_ice): New function.
6278 (execute): Use it instead of fatal.
6279 (fancy_abort): Likewise.
6280 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6282 2006-03-22 Jeff Law <law@redhat.com>
6284 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6285 iv_analyze_result returning false.
6287 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6289 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6291 2006-03-22 Richard Henderson <rth@redhat.com>
6294 * except.c (duplicate_eh_regions_0): New.
6295 (duplicate_eh_region_1): Duplicate the children of the node as
6296 well as the node itself. Link them up properly.
6297 (duplicate_eh_region_2): Merge into ...
6298 (duplicate_eh_regions): ... here. Take copy_region argument, and
6299 copy only a sub-tree if asked. Simplify copying and fixup.
6300 (eh_region_outer_p): New.
6301 * except.h (duplicate_eh_regions): Update decl.
6302 (eh_region_outer_p): Declare.
6303 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6304 (lower_omp_master): Likewise.
6305 (lower_omp_ordered): Likewise.
6306 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6307 (move_stmt_r): Use it to remap labels. Handle recursion vs
6308 remap_decls_p properly.
6309 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6310 (find_outermost_region_in_block): New.
6311 (new_label_mapper): New.
6312 (move_sese_region_to_fn): Copy eh information to the new function
6314 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6316 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6319 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6321 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6322 into shared libraries.
6324 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6326 * doc/md.texi: Refer to i386/constraints.md instead of
6328 * config/i386/constraints.md: New file, extracted from...
6329 * config/i386/predicates.md: ...here.
6330 * config/i386/i386.md: Include constraints.md.
6332 2006-03-21 Jason Merrill <jason@redhat.com>
6334 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6337 * expr.c (init_block_move_fn): Force default visibility.
6338 (init_block_clear_fn): Likewise.
6339 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6340 * targhooks.c (default_external_stack_protect_fail): Likewise.
6342 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6344 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6345 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6346 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6347 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6348 (loadgp): Use mips_current_loadgp_style.
6349 (loadgp_noshared): New pattern.
6350 (sibcall_internal): Use MIPS_CALL.
6351 (sibcall_value_internal): Likewise.
6352 (sibcall_value_multiple_internal): Likewise.
6353 (call_internal): Likewise.
6354 (call_value_internal): Likewise.
6355 (call_value_multiple_internal): Likewise.
6356 (call_split): Use MIPS_CALL and add an 'S' constraint.
6357 (call_value_split): Likewise.
6358 (call_value_multiple_split): Likewise.
6359 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6360 (-mshared): New option.
6361 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6362 (mips_current_loadgp_style): Declare.
6363 * config/mips/mips.c (mips_classify_symbol): Avoid using
6364 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6365 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6366 TARGET_ABSOLUTE_ABICALLS.
6367 (override_options): Adjust comments. Improve the warning that is
6368 issued when -mabicalls and -G are used together.
6369 (mips_file_start): Remove comment.
6370 (mips_current_loadgp_style): New function.
6371 (mips_gnu_local_gp): New variable.
6372 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6374 (mips_output_function_prologue): Use mips_current_laodgp_style.
6375 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6376 the cprestore instruction.
6377 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6378 live for TARGET_ABSOLUTE_ABICALLS.
6379 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6380 (ASM_SPEC): Pass down -mshared and -mno-shared.
6381 (MIPS_CALL): New macro.
6382 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6384 * doc/invoke.texi (-mabicalls): Update documentation.
6385 (-mshared): Document.
6387 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6389 * config/ia64/unwind-hpux.c: New file.
6390 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6392 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6395 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6397 2006-03-21 Jeff Law <law@redhat.com>
6399 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6400 type conversions of a VR_VARYING source to a wider type.
6402 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6404 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6405 tm_file on Solaris 10 and later.
6406 (sparc64-*-solaris2*): Likewise.
6407 (sparc-*-solaris2*): Likewise.
6408 * config/sol26.h: Rename to config/sol2-6.h.
6409 * config/sol2-10.h: New file.
6411 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6414 * tree-ssa-pre.c (create_component_ref_by_pieces):
6417 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6420 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6421 return it immediately.
6423 2006-03-21 Michael Matz <matz@suse.de>
6425 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6427 (remove_arc, add_arc): Update num_out_arcs member.
6428 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6430 (cache_presence): New function.
6431 (compare_states_for_equiv): New function.
6432 (state_is_differed): Don't take number of outargs, adjust callers.
6433 Use new invariant for speeding up.
6434 (init_equiv_class): Create initial classes based on sorted
6436 (partition_equiv_class): Don't track out_arcs_num.
6437 (evaluate_equiv_classes): Call cache_presence on all states and
6440 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6442 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6443 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6444 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6445 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6447 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6448 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6449 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6450 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6451 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6453 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6454 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6455 (REGNO_REG_CLASS): ARGP is in PREGS.
6456 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6458 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6459 to deal with those addresses.
6460 * addresses.h: New file.
6461 * caller-save.c: Include "addresses.h".
6462 (init_caller_save): Use new base_reg_class function.
6463 * rtl-factoring.c: Include "addresses.h".
6464 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6465 * recog.c: Include "addresses.h".
6466 (preprocess_constraints): Use new base_reg_class function.
6467 * regrename.c: Include "addresses.h".
6468 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6469 functions. Keep track of a new var INDEX_CODE to compute valid
6471 (replace_oldest_value_addr): Likewise.
6472 (replace_oldest_value_mem): Use base_reg_class.
6473 * reload.c: Include "addresses.h".
6474 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6475 (find_reloads): Use new base_reg_class function.
6476 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6477 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6478 all callers and prototype changed.
6479 * reload1.c: Include "addresses.h".
6480 (maybe_fix_stack_asms): Use base_reg_class.
6481 * regclass.c: Include "addresses.h".
6482 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6483 (init_reg_autoinc): Use new base_reg_class function.
6484 (record_reg_classes): Likewise.
6485 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6486 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6487 Use new args to compute necessary class.
6489 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6490 regrename.o, rtl-factoring.o): Update dependencies.
6491 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6492 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6493 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6494 REG_OK_FOR_INDEX_P): Delete documentation.
6496 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6498 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6499 from V7 to V9 for Solaris 7 and above.
6501 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6503 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6504 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6505 argument pointers may not alias any other storage.
6506 * common.opt: Define option -fargument-noalias-anything.
6507 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6508 alias semantics is specified by flag_argument_noalias > 2.
6510 2006-03-20 Jeff Law <law@redhat.com>
6512 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6513 (pass_phi_only_cprop): Declare.
6514 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6516 * tree-ssa-dom.c (degenerate_phi_result): New function.
6517 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6518 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6519 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6520 (eliminate_degenerate_phis): Likewise.
6521 (pass_phi_only_cprop): New pass descriptor.
6522 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6523 support code. Callers updated.
6524 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6525 (store_copy_prop): Likewise.
6526 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6528 2006-03-20 Jason Merrill <jason@redhat.com>
6531 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6532 (push_visibility, pop_visibility): Likewise.
6533 * c-pragma.h: Declare them.
6535 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6537 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6539 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6540 parameter and use get_ebb_head_tail.
6541 (sh_md_init_global): Adjust uses of find_regmode_weight.
6543 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6545 * function.h (struct function) <x_tail_recursion_reentry>:
6546 Rename to x_stack_check_probe_note.
6547 (tail_recursion_reentry): Rename to stack_check_probe_note.
6548 * function.c: Replace tail_recursion_reentry with
6549 stack_check_probe_note everywhere.
6550 (expand_function_start): Only emit a note for
6551 stack_check_probe_note with -fstack-protect.
6552 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6554 * emit-rtl.c (remove_unnecessary_notes): Remove.
6555 (pass_remove_unnecessary_notes): Remove.
6556 * rtl.h (remove_unnecessary_notes): Remove prototype.
6557 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6558 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6559 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6561 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6564 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6565 (valid_in_set): Handle ARRAY_REF.
6566 Change "if min_variant or VH" to asserts.
6567 (create_component_ref_by_pieces): Handle ARRAY_REF.
6568 (create_expression_by_pieces): Likewise.
6569 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6571 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6573 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6574 is operand of switch, not str[0].
6576 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6578 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6579 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6581 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6583 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6584 end of insn_extra_address_constraint declaration.
6586 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6588 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6589 (no-sum-in-toc): Same.
6590 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6592 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6593 NO_FP_IN_TOC for -fPIC instead of mask.
6595 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6596 (BOOT_LDFLAGS): Delete.
6598 * config/rs6000/t-aix52: Same.
6600 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6601 (stmsi[345678]_power): New.
6603 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6605 * config/ia64/ia64.opt: Add empty line to end of file.
6607 2006-03-17 Richard Guenther <rguenther@suse.de>
6610 * builtins.c (get_pointer_alignment): For component style references
6611 adjust alignment to the component type alignment. Make sure
6612 to adjust alignment for component access of constants.
6614 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6616 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6619 2006-03-17 Paul Brook <paul@codesourcery.com>
6621 * doc/install.texi: Docuemnt --with-mode.
6622 * config.gcc: Add --with-mode for arm*-*-*.
6623 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6625 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6627 * sh.c (max_labelno_before_reorg): New variable.
6628 (sh_reorg): Initialize it.
6629 (find_barrier): Check max_labelno_before_reorg before using
6630 label_to_alignment. Take length of explicit alignment insns
6631 into account. When seeing a UNSPECV_CONST_END, return it.
6633 * sh.c (fixup_mova): Set mode of affected label to QImode.
6634 (untangle_mova): New function.
6635 (find_barrier): Use it. Check mode of label before decrementing
6637 (sh_reorg): Likewise.
6638 Set mode of all insns back to VOIDmode.
6640 * sh.c (MOVA_LABELREF): New macro.
6641 (mova_p, fixup_mova, sh_reorg): Use it.
6642 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6643 ADDR_DIFF_VEC matches mova.
6645 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6647 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6648 with ATTRIBUTE_UNUSED.
6650 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6652 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6653 pointer, instead of assuming it is possible to derive the
6654 correct args size from a call insn.
6656 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6658 * rtl.h (CONST_INT_P): Define.
6659 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6660 instead of GET_CODE(x) == CONST_INT.
6661 (vax_rtx_costs): Likewise.
6662 (vax_output_int_move): Likewise.
6663 (vax_output_int_add): Likewise.
6664 (legitimate_constant_address_p): Likewise.
6665 (index_term_p): Likewise.
6666 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6667 * config/vax/vax.md (and<mode>3): Likewise.
6668 (ashrsi3): Likewise.
6670 (movstricthi): Likewise.
6671 (movstrictqi): Likewise.
6672 (rotrsi3): Likewise.
6673 (five unnamed insns): Likewise.
6675 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6677 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6678 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6679 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6680 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6681 Pass to ASM_OUTPUT_DWARF_OFFSET.
6682 * dwarf2out.c (debug_frame_section): New.
6683 (output_call_frame_info): Use debug_frame_section. Pass it to
6684 dw2_asm_output_offset.
6685 (output_die): Pass appropriate section to dw2_asm_output_offset.
6686 (output_compilation_unit_header): Likewise.
6687 (output_pubnames): Likewise.
6688 (output_aranges): Likewise.
6689 (enum dw_val_class): Break dw_val_class_lbl_offset into
6690 dw_val_class_lineptr and dw_val_class_macptr.
6691 (add_AT_lbl_offset): Delete.
6692 (add_AT_lineptr): New.
6693 (add_AT_macptr): New.
6694 (AT_lbl): Expect a lineptr or macptr.
6695 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6696 (attr_checksum): Likewise.
6697 (same_dw_val_p): Likewise.
6698 (size_of_die): Likewise.
6699 (value_format): Likewise.
6700 (output_die): Likewise.
6701 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6703 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6704 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6705 * config/darwin-protos.h (darwin_file_start): New.
6706 (darwin_asm_output_dwarf_offset): New.
6707 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6708 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6710 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6711 if not EH section; simplify.
6712 (darwin_file_start): New.
6713 (darwin_asm_output_dwarf_offset): New.
6714 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6716 (DEBUG_INFO_SECTION): Likewise.
6717 (DEBUG_ABBREV_SECTION): Likewise.
6718 (DEBUG_ARANGES_SECTION): Likewise.
6719 (DEBUG_MACINFO_SECTION): Likewise.
6720 (DEBUG_LINE_SECTION): Likewise.
6721 (DEBUG_LOC_SECTION): Likewise.
6722 (DEBUG_PUBNAMES_SECTION): Likewise.
6723 (DEBUG_STR_SECTION): Likewise.
6724 (DEBUG_RANGES_SECTION): Likewise.
6725 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6726 (ASM_OUTPUT_DWARF_OFFSET): New.
6728 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6730 * config.gcc (tm_defines): Always add to previous value rather
6733 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6735 * config/mips/predicates.md (splittable_const_int_operand): New,
6736 split from move_operand.
6737 (splittable_symbolic_operand): New.
6738 (move_operand): Add commentary. Use splittable_const_int_operand.
6739 Inline mips_atomic_symbolic_constant_p.
6740 * config/mips/mips.md: Add combine splitters for handling moves
6741 of splittable_const_int_operands and splittable_symbolic_operands.
6742 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6743 (mips_split_symbol): Declare.
6744 (mips_move_integer): Declare.
6745 * config/mips/mips.c (mips_split_p): Make global.
6746 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6747 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6748 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6749 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6750 (mips_offset_within_object_p): Handle block symbols.
6751 (mips_atomic_symbolic_constant_p): Delete.
6752 (mips_cannot_force_const_mem): Return false for constants that
6753 mips_legitimize_move can handle.
6754 (mips_use_blocks_for_constant_p): New function.
6755 (mips_split_symbol): Make global.
6756 (mips_move_integer): Likewise. Add a temporary register argument.
6757 (mips_legitimize_const_move): Use splittable_const_int_operand and
6758 splittable_symbolic_operand.
6759 (mips_use_anchors_for_symbol_p): New function.
6760 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6761 (mips_split_p): Declare.
6763 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6765 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6766 (mips*-*-linux*): Likewise.
6768 2006-03-16 Roger Sayle <roger@eyesopen.com>
6769 Daniel Speyer <dspeyer@wam.umd.edu>
6772 * tree-dump.c (dump_real): New function.
6773 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6774 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6775 (tree-dump.o): Add $(REAL_H) to the dependencies.
6777 2006-03-16 Roger Sayle <roger@eyesopen.com>
6780 * real.c (real_from_string): If the mantissa is zero, don't bother
6781 parsing the exponent as the result should always be zero.
6783 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6785 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6787 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6789 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6790 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6791 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6792 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6793 ia64_sched_finish_global): New static functions to implement
6794 hooks from gcc_target.sched.
6795 (spec_check_no, max_uid, pending_data_specs): New static variables.
6796 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6797 ia64_spec_check_src_p): New static functions.
6798 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6799 (TARGET_SCHED_ADJUST_COST): Removed.
6800 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6801 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6802 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6803 TARGET_SCHED_GEN_CHECK,
6804 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6805 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6806 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6807 Fixed to handle speculation checks.
6808 (rtx_needs_barrier): Fixed to handle speculative loads and
6810 (ia64_variable_issue): Added code to count speculative loads and their
6812 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6814 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6816 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6818 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6819 (ia64_reorg): Reset stops_p to NULL after it is freed.
6820 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6821 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6822 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6824 (data_speculative, control_speculative, check_load): New attributes.
6825 (mov<mode>_advanced, mov<mode>_speculative,
6826 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6827 zero_extend<mode>di2_speculative,
6828 zero_extend<mode>di2_speculative_advanced): New patterns for
6829 data and control speculative loads.
6830 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6832 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6833 New pattern for data and control speculation checks.
6834 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6835 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6836 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6837 Auxiliary definitions for the patterns.
6838 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6839 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6841 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6843 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6844 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6845 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6846 New resource constraints.
6847 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6849 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6850 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6851 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6852 msched-in-control-spec, msched-ldc, msched-control-ldc,
6853 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6854 msched-prefer-non-control-spec-insns,
6855 msched-count-spec-in-critical-path): New flags to tune speculative
6857 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6858 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6859 msched-in-control-spec, msched-ldc, msched-control-ldc,
6860 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6861 msched-prefer-non-control-spec-insns,
6862 msched-count-spec-in-critical-path): Document new flags.
6864 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6866 * target.h (struct spec_info_def): New opaque declaration.
6867 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6868 speculate_insn, needs_block_p, gen_check,
6869 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6870 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6871 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6872 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6873 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6874 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6876 (TARGET_SCHED): Use new macros.
6877 * rtl.h (copy_DEPS_LIST_list): New prototype.
6878 * sched-int.h (struct sched_info): Change signature of new_ready field,
6879 adjust all initializations. New fields: add_remove_insn,
6880 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6881 region_head_or_leaf_p.
6882 (struct spec_info_def): New structure declaration.
6883 (spec_info_t): New typedef.
6884 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6885 recovery_block, orig_pat.
6886 (glat_start, glat_end): New variables declaraions.
6887 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6889 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6890 DETACH_LIFE_INFO, USE_GLAT.
6891 (enum SPEC_SCHED_FLAGS): New enumeration.
6892 (NOTE_NOTE_BB_P): New macro.
6893 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6894 attach_life_info, debug_spec_status, check_reg_live): New functions.
6895 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6896 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6898 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6899 * ddg.c (get_block_head_tail): Adjust all uses.
6900 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6901 (sms_sched_info): Initialize new fields.
6902 (contributes_to_priority): Removed.
6903 * haifa-sched.c (params.h): New include.
6904 (get_block_head_tail): Adjust all uses.
6905 (ISSUE_POINTS): New macro.
6906 (glat_start, glat_end): New global variables.
6907 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6908 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6909 old_last_basic_block, before_recovery, current_sched_info_var,
6910 rgn_n_insns, luid): New static variables.
6911 (insn_cost1): New function. Move logic from insn_cost to here.
6912 (find_insn_reg_weight1): New function. Move logic from
6913 find_insn_reg_weight to here.
6914 (reemit_notes, move_insn, max_issue): Change signature.
6915 (move_insn1): Removed.
6916 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6917 extend_bb): New static functions to support extension of scheduler's
6919 (generate_recovery_code, process_insn_depend_be_in_spec,
6920 begin_speculative_block, add_to_speculative_block,
6921 init_before_recovery, create_recovery_block, create_check_block_twin,
6922 fix_recovery_deps): New static functions to support
6923 generation of recovery code.
6924 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6925 restore_bb_notes, move_block_after_check, move_succs): New static
6926 functions to support ebb scheduling.
6927 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6928 functions to support handling of register live information.
6929 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6930 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6931 add_jump_dependencies): New static functions.
6932 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6933 consistancy checking.
6934 (debug_spec_status): New function to call from debugger.
6935 (priority): Added code to handle speculation checks.
6936 (rank_for_schedule): Added code to distinguish speculative instructions.
6937 (schedule_insn): Added code to handle speculation checks.
6938 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6939 Fixed to handle ebbs.
6940 (move_insn): Added code to handle ebb scheduling.
6941 (max_issue): Added code to use ISSUE_POINTS of instructions.
6942 (choose_ready): Added code to choose between speculative and
6943 non-speculative instructions.
6944 (schedule_block): Added code to handle ebb scheduling and scheduling of
6945 speculative instructions.
6946 (sched_init): Initialize new variables.
6947 (sched_finish): Free new variables. Print statistics.
6948 (try_ready): Added code to handle speculative instructions.
6949 * lists.c (copy_DEPS_LIST_list): New function.
6950 * sched-deps.c (extend_dependency_caches): New function. Move logic
6951 from create_dependency_caches to here.
6952 (get_dep_weak, ds_merge): Make global.
6953 * genattr.c (main): Code to output prototype for
6954 dfa_clear_single_insn_cache.
6955 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6956 (output_dfa_clean_insn_cache_func): Code to output
6957 dfa_clear_single_insn_cache function.
6958 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6960 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6962 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6963 New static variables.
6964 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6965 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6967 (ebb_sched_info): Initialize new fields.
6968 (get_block_head_tail): Adjust all uses.
6969 (compute_jump_reg_dependencies): Fixed to use glat_start.
6970 (schedule_ebb): Code to remove unreachable last block.
6971 (schedule_ebbs): Added code to update register live information.
6972 * sched-rgn.c (region_sched_info): Initialize new fields.
6973 (get_block_head_tail): Adjust all uses.
6974 (last_was_jump): Removed. Adjust users.
6975 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6976 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6977 Implement new hooks.
6978 (check_dead_notes1): New static function.
6979 (struct region): New fields: dont_calc_deps, has_real_ebb.
6980 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6981 (BB_TO_BLOCK): Fixed to handle EBBs.
6982 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6983 (ebb_head): New static variable.
6984 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6985 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6987 (compute_dom_prob_ps): New assertion.
6988 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6989 global_live_at_start.
6990 (init_ready_list): New assertions.
6991 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6992 (new_ready): Add support for BEGIN_CONTROL speculation.
6993 (schedule_insns): Fixed code that updates register live information
6995 (schedule_region): Fixed to handle EBBs.
6996 (init_regions): Use extend_regions and check_dead_notes1.
6997 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6998 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6999 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7000 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7001 TARGET_SCHED_GEN_CHECK,
7002 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7003 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7004 * doc/invoke.texi (max-sched-insn-conflict-delay,
7005 sched-spec-prob-cutoff): Document.
7007 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7009 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7010 inter_tick, queue_index.
7011 (struct sched_info): Change signature of init_ready_list field.
7012 Adjust all initializations.
7013 (RESOLVED_DEPS): New access macro.
7014 (ready_add): Remove prototype.
7015 (try_ready): Add prototype.
7016 * sched-rgn.c (init_ready_list): Use try_ready.
7017 (schedule_region): Initialize
7018 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7019 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7020 (init_ready_list): Use try_ready.
7021 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7022 * lists.c (remove_list_elem): Remove `static'.
7023 (remove_free_INSN_LIST_elem): New function.
7024 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7025 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7026 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7028 (readyp): New variable.
7029 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7030 change_queue_index, resolve_dep): New static functions.
7031 (try_ready): New function. Adjust callers in sched-rgn.c and
7032 sched-ebb.c to use it instead of ready_add.
7033 (clock_var): Move at the begining of file.
7034 (rank_for_schedule): Fix typo.
7035 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7036 (ready_lastpos): Enforce assertion.
7037 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7039 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7040 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7041 (queue_to_ready): Use free_INSN_LIST_list.
7042 (early_queue_to_ready): Fix typo.
7043 (schedule_block): Init readyp. Move init_ready_list call after the
7044 initialization of clock_var. Fix error in rejecting insn by
7045 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7046 that previously corrected INSN_TICKs. Add code for handling
7048 (set_priorities): Fix typo.
7049 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7050 Clarify comment and code that keeps current_sched_info->next_tail
7053 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7055 * sched-rgn.c (extend_rgns): New static function.
7056 (find_rgns): Use it.
7057 (gather_region_statistics, print_region_statistics): New static
7059 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7060 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7062 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7063 Andrey Belevantsev <abel@ispras.ru>
7065 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7066 * lists.c (unused_deps_list): New variable.
7067 (free_list): Add assertions to verify the proper distinguishing
7068 between INSN_LISTs and DEPS_LISTs.
7069 (find_list_elem, remove_list_elem, remove_list_node): New static
7071 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7072 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7073 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7074 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7076 (free_INSN_LIST_node): Likewise.
7077 * modulo-sched.c (current_sched_info): Initialize flags field.
7078 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7079 * rtl.def (DEPS_LIST): Define.
7080 * rtl.h: Declare new functions from lists.c.
7081 * sched-deps.c (spec_dependency_cache): New static variable.
7082 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7083 (add_dependence): Change return type to void. Move the logic to ...
7084 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7085 (delete_all_dependences): Add comment about forward_dependency_cache.
7086 Handle spec_dependency_cache. Handle DEPS_LISTs.
7087 (fixup_sched_groups): Clarify the change of priority of output
7088 and anti dependencies.
7089 (sched_analyze_2): Adjust add_dependence calls to create data
7090 speculative dependence.
7091 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7092 Adjust all callers. Handle DEPS_LISTS.
7093 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7094 presence of speculation.
7095 (init_dependency_caches, free_dependency_caches):
7096 Handle spec_dependency_cache.
7097 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7098 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7099 New static functions.
7100 (add_or_update_back_dep, add_or_update_back_forw_dep,
7101 add_back_forw_dep, delete_back_forw_dep): New functions.
7102 * sched-int.h (ds_t, dw_t): New typedefs.
7103 (struct sched_info): Add new field flags.
7104 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7105 Prototype new sched-deps.c functions.
7106 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7107 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7108 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7109 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7110 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7111 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7113 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7115 * sched-rgn.c (current_sched_info): Initialize flags field.
7116 (schedule_insns): Initialize current_sched_info before the sched_init
7118 * sched-ebb.c (current_sched_info): Initialize flags field.
7119 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7120 Call add_or_update_back_dep instead of add_dependence.
7121 Create control speculative dependencies.
7122 (schedule_insns): Initialize current_sched_info before the sched_init
7125 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7127 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7129 (sh_fallback_frame_state): Likewise.
7131 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7133 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7134 Do switch on default_use_cxa_atexit.
7135 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7136 * config/darwin-crt3.o: New.
7137 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7138 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7139 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7141 * config/rs6000/t-darwin: Move crt2.o building to here.
7142 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7143 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7146 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7148 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7149 from '! xxx' to '!xxx' for coding-style conformance.
7150 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7151 (EXTRA_CONSTRAINT): Likewise.
7152 * config/vax/vax.md (four unnamed insns): Likewise.
7154 2006-03-15 Paul Brook <paul@codesourcery.com>
7156 * config/arm/arm.c (minipool_pad): New.
7157 (add_minipool_forward_ref): Include pool alignment padding in address
7159 (push_minipool_fix): Set minipool_pad.
7160 (minipool_pad): Ditto.
7162 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7164 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7165 instead of GET_CODE() == MEM and REG_P() instead of
7167 (print_operand_address): Likewise.
7168 (vax_address_cost): Likewise.
7169 (vax_rtx_costs): Likewise.
7170 (vax_notice_update_cc): Likewise.
7171 (vax_output_int_add): Likewise.
7172 (INDEX_REGISTER_P): Likewise.
7173 (BASE_REGISTER_P): Likewise.
7174 (nonindexed_address_p): Likewise.
7175 (vax_mode_dependent_address_p): Likewise.
7176 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7177 (PRINT_OPERAND): Likewise.
7178 * config/vax/vax.md (ashlsi3): Likewise.
7179 (ashlsi3): Likewise.
7180 (some more unnamed insns): Likewise.
7182 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7184 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7185 iterator-style macro.
7186 (mark_control_dependent_edges_necessary): Update the use of
7187 EXECUTE_IF_CONTROL_DEPENDENT.
7189 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7191 * config/sh/predicates.md (cache_address_operand): Special.
7192 (ua_address_operand): Likewise.
7194 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7196 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7198 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7200 2006-03-15 Andreas Schwab <schwab@suse.de>
7202 * gensupport.c (identify_predicable_attribute): Don't free p_false
7203 when it is still in use.
7205 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7207 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7208 the default setting here.
7210 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7212 * tree-pass.h (pass_cfg): Remove.
7213 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7214 * passes.c (pass_cfg): Don't run it.
7216 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7218 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7219 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7221 (stack_regs_mentioned): Update the uses of
7222 stack_regs_mentioned_data. Don't access the array beyond its
7224 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7225 Don't include gt-reg-stack.h.
7227 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7228 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7230 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7233 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7236 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7238 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7240 2006-03-14 Richard Guenther <rguenther@suse.de>
7242 PR tree-optimization/26672
7243 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7246 2006-03-14 Richard Guenther <rguenther@suse.de>
7248 PR tree-optimization/26667
7249 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7250 node for the callees. Always allow inlining if it will shrink
7253 2006-03-14 Richard Guenther <rguenther@suse.de>
7256 * builtins.c (get_pointer_alignment): Prefer alignment
7257 information from decls over that from types.
7259 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7262 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7264 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7266 * config/rs6000/rs6000.opt (mdlmzb): New option.
7267 (msched-prolog, msched-epilog): Use Var not Mask.
7268 * doc/invoke.texi (-mdlmzb): Document.
7269 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7271 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7272 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7274 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7276 PR rtl-optimization/25739
7277 * bt-load.c (augment_live_range): Free tos pointer.
7279 * gensupport.c (identify_predicable_attribute): Free
7281 * gcov.c (create_file_names): Free name pointer.
7283 2006-03-13 Roger Sayle <roger@eyesopen.com>
7286 * stmt.c (emit_case_nodes): Handle the case where the index is a
7287 CONST_INT, where the comparison mode is specified by the index type.
7289 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7291 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7294 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7296 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7297 (*branch_fp_inverted): Likewise.
7299 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7302 * omp-low.c (expand_omp_for_generic): Mark istart0
7303 and iend0 as addressable.
7305 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7307 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7309 2006-03-13 Jeff Law <law@redhat.com>
7311 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7312 virtual operands are interesting.
7313 (vrp_visit_stmt): Corresponding changes.
7315 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7317 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7319 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7320 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7321 * config/bfin/crti.S: Use it instead of __PIC__.
7322 * config/bfin/crtn.S: Likewise.
7324 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7325 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7327 Lose 'G' modifier for call operand.
7328 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7329 recognize 'G' modifier.
7331 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7334 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7335 * stmt.c (expand_case): Likewise.
7337 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7339 PR rtl-optimization/26254
7340 * loop-invariant.c (seq_insns_valid_p): New function.
7341 (move_invariant_reg): Only emit new code if it is valid.
7343 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7345 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7347 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7348 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7349 (commit_one_edge_insertion): Do not look for loop notes.
7351 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7353 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7354 flag_test_coverage out of loop.
7356 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7358 * final.c (shorten_branches): Remove outdated comment, and turn
7359 the if branch that guards it to continue.
7361 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7363 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7364 * cfgloop.h (struct loop): Remove unused fields.
7366 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7368 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7369 (-dL, -fdump-rtl-loop2): Update the dump file names
7371 * doc/invoke.texi: Update dump file names.
7373 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7375 * predict.c (estimate_probability): Remove.
7376 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7377 * basic-block.h (estimate_probability): Remove prototype.
7378 * passes.c (finish_optimization_passes): Dump branch prediction or
7379 profiling heuristics to the .profile tree dump.
7380 (init_optimization_passes): Unqueue pass_branch_prob.
7382 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7384 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7386 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7387 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7389 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7391 * function.h (frame_offset_overflow): Declare.
7392 * function.c (frame_offset_overflow): New function.
7393 (assign_stack_local_1): Call it to detect that the offset overflows.
7394 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7396 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7398 * config/sh/sh.c: Include alloc-pool.h.
7399 (label_ref_list_pool): New alloc pool.
7400 (label_ref_list_t): New type for lists of labels.
7401 (struct pool_node): Make wend a label_ref_list_t.
7402 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7404 (dump_table): Likewise.
7405 (sh_reorg): Set up the alloc pool before using add_constant and
7406 dump_table, and destroy it when finishing.
7408 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7410 * config/mips/mips.c: Remove redundant comment.
7412 2006-03-10 Jason Merrill <jason@redhat.com>
7415 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7416 the target was declared 'register'.
7418 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7420 * genpreds.c (write_insn_constraint_len): Change definition of
7421 insn_constraint_len to return size_t to match the declaration.
7423 2006-03-10 DJ Delorie <dj@redhat.com>
7425 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7427 (m32c_expand_insv): Fix test for an AND mask.
7429 2006-03-10 Richard Guenther <rguenther@suse.de>
7432 * builtins.c (get_pointer_alignment): Handle component
7433 references for field alignment.
7435 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7437 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7438 when building with libgloss.
7439 (sh*elf): Implement --without-fp option.
7440 (sh64-superh-linux*): Don't multilib.
7442 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7444 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7446 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7448 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7449 Set it when one of the replacement functions returned true.
7450 Return TODO_cleanup_cfg if cfgchanged is true.
7451 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7453 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7455 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7456 instead of gen_lowpart.
7458 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7460 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7462 (mips_output_order_conditional_branch): Declare.
7463 * config/mips/mips.h (MIPS_BRANCH): New macro.
7464 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7465 for the comparison. Use gen_condjump.
7466 (mips_output_conditional_branch): Rework interface to take the
7467 asm templates for a direct branch and the inverse of a direct branch.
7468 (mips_output_order_conditional_branch): New function.
7469 (mips_builtin_branch_and_move): New function.
7470 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7471 branch condition. Use gen_single_cc as the condition for
7472 __builtin_mips_upper_* or __builtin_mips_lower_*.
7473 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7474 Use VOIDmode for the branch condition.
7475 * config/mips/predicates.md (order_operator): New predicate.
7476 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7477 (branch_fp): Rename to...
7478 (*branch_fp): ...this. Remove mode from comparison operator.
7479 Use new mips_output_conditional_branch interface.
7480 (branch_fp_inverted): Rename to...
7481 (*branch_fp_inverted): ...this and update as for *branch_fp.
7482 (*branch_zero<mode>): Rename to...
7483 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7484 Use mips_output_order_conditional_branch. Only accept ordered
7486 (*branch_zero<mode>_inverted): Rename to...
7487 (*branch_order<mode>_inverted): ...this and update as for
7488 *branch_order<mode>.
7489 (*branch_equality<mode>): Accept zero as the second operand to
7490 the equality operator. Use the new mips_output_conditional_branch
7492 (*branch_equality<mode>_inverted): Likewise.
7493 (condjump): New expander.
7494 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7496 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7497 (bc1any2t, bc1any2f): Likewise.
7498 (single_cc): New expander.
7499 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7501 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7503 * doc/md.texi: Update documentation of MIPS constraints.
7504 * config/mips/constraints.md: New file.
7505 * config/mips/mips.md: Include it.
7506 * config/mips/mips.c (mips_char_to_class): Delete.
7507 (override_options): Don't initialize mips_char_to_class.
7508 * config/mips/mips.h (mips_char_to_class): Delete.
7509 (REG_CLASS_FROM_LETTER): Delete.
7510 (CONST_OK_FOR_LETTER_P): Delete.
7511 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7512 (EXTRA_CONSTRAINT_Y): Delete.
7513 (EXTRA_CONSTRAINT_STR): Delete.
7514 (CONSTRAINT_LEN): Delete.
7515 (EXTRA_MEMORY_CONSTRAINT): Delete.
7517 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7519 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7520 original fn's eh regions.
7522 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7524 * fold-const.c (build_range_check): Make sure to use a valid type to
7525 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7528 (range_predecessor): New static function.
7529 (range_successor): Likewise.
7530 (merge_ranges): Use them to compute predecessors and successors of
7533 2006-03-09 Roger Sayle <roger@eyesopen.com>
7536 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7537 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7539 2006-03-08 DJ Delorie <dj@redhat.com>
7541 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7542 (addpsi3): Expand to include memory operands. Remove
7543 reload-specific splits.
7544 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7545 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7546 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7547 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7548 (shift1_qi, shift1_hi, insv): New.
7549 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7550 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7551 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7553 * config/m32c/m32c-protos.h: Update as needed.
7554 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7555 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7556 Fail for unrecognized R* constraints.
7557 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7558 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7559 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7561 (m32c_init_libfuncs): New.
7562 (m32c_legitimate_address_p): Add debug wrapper.
7563 (m32c_rtx_costs): New.
7564 (m32c_address_cost): New.
7565 (conversions): Add 'B' prefix.
7566 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7567 operands, or word regnames for QI operands. 'B' prints bit
7569 (m32c_expand_setmemhi): New.
7570 (m32c_expand_movmemhi): New.
7571 (m32c_expand_movstr): New.
7572 (m32c_expand_cmpstr): New.
7573 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7574 (m32c_expand_neg_mulpsi3): Handle non-ints.
7575 (m32c_cmp_flg_0): New.
7576 (m32c_expand_movcc): New.
7577 (m32c_expand_insv): New.
7578 (m32c_scc_pattern): New.
7579 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7580 a0/a1 out of SIregs.
7581 (STORE_FLAG_VALUE): New.
7582 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7585 * config/m32c/mov.md: Make constraints more liberal.
7586 (zero_extendqihi2): Optimize r0/r1 case.
7587 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7588 * config/m32c/predicates.md (m32c_any_operand): New.
7589 (m32c_nonimmediate_operand): New.
7590 (m32c_hl_operand): New.
7591 (m32c_r3_operand): New.
7594 (memsym_operand): New.
7595 (memimmed_operand): New.
7596 (a_qi_operand): New.
7597 (m32c_eqne_operator): New.
7598 (m32c_1bit8_operand): New.
7599 (m32c_1bit16_operand): New.
7600 (m32c_1mask8_operand): New.
7601 (m32c_1mask16_operand): New.
7602 * config/m32c/blkmov.md: New file.
7603 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7605 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7607 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7608 unsigned to fix signed/unsigned comparison issue in
7609 DWARF2_FRAME_REG_OUT.
7610 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7611 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7613 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7614 of ptr into the ENABLE_CHECKING section.
7616 2006-03-08 Jeff Law <law@redhat.com>
7618 * tree-vrp.c (infer_value_range): Only count pointer uses
7619 and dereferences if -fdelete-null-pointer-checks is enabled.
7621 * tree-vrp.c (find_assert_locations): Infer value ranges for
7622 single use pointers, but do not create ASSERT_EXPRs for them.
7623 When a non-null range is inferred for a pointer, backwards
7624 propagate that range to other equivalent pointers through the
7627 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7630 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7631 language hook targets.
7632 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7633 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7634 if language hook targets were missing.
7636 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7638 * tree-ssa-opfinalize.h: Removed.
7639 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7641 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7642 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7643 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7644 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7645 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7646 finalize_ssa_v_must_def_ops): New.
7648 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7650 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7653 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7655 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7657 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7658 addresses with offsets; reorganize.
7660 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7661 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7662 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7664 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7667 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7669 2006-03-08 Ben Elliston <bje@au.ibm.com>
7671 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7673 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7676 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7679 2006-03-07 Richard Guenther <rguenther@suse.de>
7681 PR tree-optimization/26587
7682 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7684 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7686 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7688 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7690 * hooks.c (hook_bool_mode_rtx_true): New function.
7691 * hooks.h (hook_bool_mode_rtx_true): Declare.
7692 * toplev.c (compile_file): Call output_shared_constant_pool.
7693 * varasm.c (shared_constant_pool): New variable.
7694 (assemble_start_function, assemble_end_function): Remove arguments
7695 from call to output_constant_pool.
7696 (create_constant_pool): New function, split out from...
7697 (init_varasm_status): ...here.
7698 (force_const_mem): Choose between the shared and per-function constant
7699 pools. Set current_function_uses_const_pool when reusing old entries
7700 as well as when creating new ones.
7701 (mark_constant): Ignore data argument.
7702 (mark_constants): Remove pool argument.
7703 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7704 to decide whether the function uses a constant pool.
7705 (output_constant_pool_contents): New function, split out from...
7706 (output_constant_pool): ...here.
7707 (output_shared_constant_pool): New function.
7708 (init_varasm_once): Initialize shared_constant_pool.
7709 * output.h (output_constant_pool): Delete.
7710 (output_shared_constant_pool): Declare.
7711 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7712 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7714 2006-03-06 Nick Clifton <nickc@redhat.com>
7716 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7717 flag_strength_reduce.
7719 2006-03-06 Ben Elliston <bje@au.ibm.com>
7721 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7722 x86_64-*-linux* configurations.
7724 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7725 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7727 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7729 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7731 * basic-block.h: Remove the extern for
7732 rediscover_loops_after_threading.
7734 * cfgloop.c (cancel_loop): Make it static.
7735 * cfgloop.h: Remove the prototype for cancel_loop.
7737 * flow.c (recompute_reg_usage): Make it static.
7738 * rtl.h: Remove the prototype for recompute_reg_usage.
7740 * function.c (use_return_register): Make it static.
7741 * function.h: Remove the prototype.
7743 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7745 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7747 * recog.h: Remove the prototype for
7748 validate_change_maybe_volatile.
7750 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7752 * rtlanal.c (replace_reg): Remove.
7753 * rtl.h: Remove the prototype for replace_reg.
7755 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7757 * regclass.c (reg_scan_update): Remove.
7758 (reg_scan_mark_refs): Remove the last argument.
7759 * rtl.h: Remove the prototype for reg_scan_update.
7761 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7763 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7764 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7765 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7766 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7767 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7768 loop-invariant.c, omp-low.c, opts.c, passes.c,
7769 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7770 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7771 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7772 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7773 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7774 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7776 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7778 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7779 * dwarf2out.h: Remove the prototype for
7780 dwarf2out_add_library_unit_info.
7782 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7784 * tree.c (add_var_to_bind_expr): Remove.
7785 * tree.h: Remove the prototype for add_var_to_bind_expr.
7787 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7789 * regclass.c (n_non_fixed_regs): Remove.
7790 (init_reg_sets_1, globalize_reg): Remove all uses of
7792 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7794 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7796 * rtlanal.c (insns_safe_to_move_p): Remove.
7797 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7799 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7801 * expmed.c (expand_mult_add): Remove.
7802 * expr.h: Remove the prototype for expand_mult_add.
7804 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7806 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7807 and REG_SAVED_VAL_EXP constants.
7808 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7809 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7810 Handle regs stored by value.
7811 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7812 (execute_cfa_program): Handle DW_CFA_val_offset,
7813 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7814 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7815 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7816 (uw_install_context_1): Handle target regs stored by value.
7818 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7820 * tree-sra.c (tree_sra): Return todoflags;
7821 (generate_one_element): Set TODO_update_smt_usage if needed.
7822 (pass_sra): Remove TODO_update_smt_usage.
7823 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7825 (tree_ssa_forward_propagate_single_use_vars): Return
7826 TODO_update_smt_usage if we need to update SMT usage.
7827 (pass_forwprop): Remove TODO_update_smt_usage.
7829 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7831 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7832 (correct_use_link): Remove reference to get_stmt_operands.
7833 (update_stmt_operands): Likewise.
7834 (get_modify_expr_operands): New function factored out of
7835 parse_ssa_operands and get_expr_operands.
7836 Try to create V_MUST_DEFs for LHS by default.
7837 (get_expr_operands) <case MODIFY_EXPR>: Call
7838 get_modify_expr_operands.
7839 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7840 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7841 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7842 get_modify_expr_operands.
7844 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7846 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7847 * tree-flow.h: Remove the prototype for
7848 referenced_var_lookup_if_exists.
7850 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7852 PR rtl-optimization/26345
7854 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7856 2006-03-03 Roger Sayle <roger@eyesopen.com>
7858 PR tree-optimization/26524
7859 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7860 fold_convert to create a constant of the appropriate type.
7862 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7864 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7865 SYMBOL_REF_IN_BLOCK_P.
7866 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7867 of SYMBOL_FLAG_IN_BLOCK.
7868 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7869 instead of SYMBOL_REF_IN_BLOCK_P.
7870 * explow.c (use_anchored_address): Likewise.
7871 * rtl.c (rtx_size): Likewise.
7872 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7873 instead of SYMBOL_FLAG_IN_BLOCK.
7874 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7875 SYMBOL_REF_IN_BLOCK_P.
7876 (assemble_variable): Likewise.
7877 (output_constant_def_contents): Likewise.
7878 (output_constant_pool): Likewise.
7879 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7880 instead of SYMBOL_FLAG_IN_BLOCK.
7881 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7882 SYMBOL_REF_IN_BLOCK_P.
7883 (SYMBOL_REF_BLOCK): Likewise.
7884 (SYMBOL_REF_OFFSET): Likewise.
7885 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7886 SYMBOL_REF_IN_BLOCK_P.
7887 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7888 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7889 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7890 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7892 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7894 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7896 2006-03-02 Roger Sayle <roger@eyesopen.com>
7898 * simplify-rtx.c (simplify_unary_operation): When simplifying
7899 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7900 that we perform the right shift in the appropriate mode, and
7901 then extend or truncate the result to requested mode.
7903 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7905 * gengtype.c (main): Handle double_int type.
7906 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7907 * double-int.c: New file.
7908 * double-int.h: New file.
7909 * system.h: Include doubleint.h.
7910 * Makefile.in (SYSTEM_H): Include double-int.h.
7911 (double-int.o): Add.
7913 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7916 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7919 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7921 * tree-vrp.c (remove_range_assertions): Do not update statements
7924 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7926 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7928 * gcse.c (rest_of_handle_gcse): Ditto.
7929 * except.c (gate_handle_eh): Ditto.
7930 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7931 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7933 2006-03-02 Eric Christopher <echristo@apple.com>
7935 * config/i386/i386.c (machopic_output_stub): Add indirection to
7938 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7942 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7944 Sun Niagara specific optimizations.
7945 * config.gcc: Recognize niagara as target.
7946 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7947 (TARGET_CPU_niagara): Define.
7948 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7949 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7950 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7951 (ASM_CPU_SPEC): Likewise.
7952 (PROCESSOR_NIAGARA): New enum entry.
7953 (REGISTER_MOVE_COST): Handle Niagara.
7954 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7955 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7956 (sparc_override_options): Recognize "niagara", set appropriate
7957 default MASK_* values for it, and align functions to 32-bytes
7958 by default just like ULTRASPARC/ULTRASPARC3.
7959 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7960 (sparc64_initialize_trampoline): Likewise.
7961 (sparc_use_sched_lookahead): Use zero for niagara.
7962 (sparc_issue_rate): Use one for niagara.
7963 * config/sparc/niagara.md: New file.
7964 * config/sparc/sparc.md: Include it.
7965 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7966 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7967 when default cpu is niagara.
7968 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7969 (ASM_CPU_SPEC): Likewise.
7970 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7971 when default cpu is niagara.
7972 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7973 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7974 just like v9/ultrasparc/ultrasparc3.
7975 * doc/invoke.texi: Add documentation for "niagara" and improve
7976 existing documentation for ultrasparc variants.
7978 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7980 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7982 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7984 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7985 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7986 and say that only one is needed.
7987 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7988 * target.h (have_switchable_bss_sections): New hook.
7989 * explow.c (use_anchored_address): Check that the symbol is in a block.
7990 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7991 (bss_noswitch_section): New variables.
7992 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7993 (get_noswitch_section): New function.
7994 (get_block_for_section): Allow SECT to be null.
7995 (unlikely_text_section_p): Use SECTION_STYLE.
7996 (bss_initializer_p): New function.
7997 (get_variable_section): Move earlier in file. Take a new argument,
7998 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7999 Return one of the new *_sections in such cases.
8000 (get_block_for_decl): New function, extracting some logic from
8001 use_blocks_for_decl_p.
8002 (change_symbol_section): Remove in favor of...
8003 (change_symbol_block): ...this new function.
8004 (use_blocks_for_decl_p): Remove checks now performed by
8006 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8007 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8008 (emit_local, emit_bss, emit_common): ...these new functions.
8009 Return true if the alignment was honored.
8010 (emit_tls_common): New function.
8011 (asm_emit_uninitialised): Delete.
8012 (assemble_variable_noswitch): New function, split out from...
8013 (assemble_variable): ...here. Don't make decisions about common
8014 variables here. Globalize all public decls that go into non-common
8015 sections. Check whether SYMBOL_REF_BLOCK is null.
8016 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8017 (output_constant_pool): Likewise.
8018 (init_varasm_once): Initialize the new section variables.
8019 (have_global_bss_p): New function.
8020 (categorize_decl_for_section): Use bss_initializer_p.
8021 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8022 (place_block_symbol): Assert that the symbol must be in a block.
8023 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8024 (TARGET_INITIALIZER): Include it.
8025 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8026 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8027 (SECTION_MACH_DEP): Bump by two.
8028 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8029 (unnamed_section): Mention SECTION_UNNAMED in comment.
8030 (named_section): Likewise SECTION_NAMED.
8031 (noswitch_section_callback): New type.
8032 (noswitch_section): New structure.
8033 (section): Add a noswitch_section alternative.
8034 (SECTION_STYLE): New macro.
8035 (tls_comm_section, comm_section, lcomm_section): Declare.
8036 (bss_noswitch_section, have_global_bss_p): Declare.
8037 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8038 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8040 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8041 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8044 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8046 * tree-vrp.c (execute_vrp): Return value.
8047 * regrename.c (rest_of_handle_regrename): Ditto.
8048 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8049 * tree-complex.c (tree_lower_complex): Ditto.
8050 (tree_lower_complex_O0): Ditto.
8051 * tracer.c (rest_of_handle_tracer): Ditto.
8052 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8053 * postreload.c (rest_of_handle_postreload): Ditto.
8054 * tree-tailcall.c (execute_tail_recursion): Ditto.
8055 (execute_tail_calls): Ditto.
8056 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8057 * tree.h (init_function_for_compilation): Ditto.
8058 * ipa-cp.c (ipcp_driver): Ditto.
8059 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8060 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8061 * final.c (compute_alignments): Ditto.
8062 (rest_of_handle_final): Ditto.
8063 (rest_of_handle_shorten_branches): Ditto.
8064 (rest_of_clean_state): Ditto.
8065 * omp-low.c (execute_expand_omp): Ditto.
8066 (execute_lower_omp): Ditto.
8067 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8068 * ipa-reference.c (static_execute): Ditto.
8069 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8070 * reorg.c (rest_of_handle_delay_slots): Ditto.
8071 (rest_of_handle_machine_reorg): Ditto.
8072 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8073 * flow.c (recompute_reg_usage): Ditto.
8074 (rest_of_handle_remove_death_notes): Ditto.
8075 (rest_of_handle_life): Ditto.
8076 (rest_of_handle_flow2): Ditto.
8077 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8078 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8079 (do_ssa_store_ccp): Ditto.
8080 (execute_fold_all_builtins): Ditto.
8081 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8082 * modulo-sched.c (rest_of_handle_sms): Ditto.
8083 * ipa-pure-const.c (static_execute): Ditto.
8084 * cse.c (rest_of_handle_cse): Ditto.
8085 (rest_of_handle_cse2): Ditto.
8086 * web.c (rest_of_handle_web): Ditto.
8087 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8088 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8089 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8090 * tree-nrv.c (tree_nrv): Ditto.
8091 (execute_return_slot_opt): Ditto.
8092 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8093 (create_structure_vars): Ditto.
8094 * loop-init.c (rtl_loop_init): Ditto.
8095 (rtl_loop_done): Ditto.
8096 (rtl_move_loop_invariants): Ditto.
8097 (rtl_unswitch): Ditto.
8098 (rtl_unroll_and_peel_loops): Ditto.
8099 (rtl_doloop): Ditto.
8100 * gimple-low.c (lower_function_body): Ditto.
8101 (mark_used_blocks): Ditto.
8102 * tree-ssa-sink.c (execute_sink_code): Ditto.
8103 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8104 (cgraph_early_inlining): Ditto.
8105 * global.c (rest_of_handle_global_alloc): Ditto.
8106 * jump.c (cleanup_barriers): Ditto.
8107 (purge_line_number_notes): Ditto.
8108 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8109 (rest_of_handle_if_after_reload): Ditto.
8110 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8111 (tree_ssa_loop_im): Ditto.
8112 (tree_ssa_loop_unswitch): Ditto.
8113 (tree_vectorize): Ditto.
8114 (tree_linear_transform): Ditto.
8115 (tree_ssa_loop_ivcanon): Ditto.
8116 (tree_ssa_empty_loop): Ditto.
8117 (tree_ssa_loop_bounds): Ditto.
8118 (tree_complete_unroll): Ditto.
8119 (tree_ssa_loop_prefetch): Ditto.
8120 (tree_ssa_loop_ivopts): Ditto.
8121 (tree_ssa_loop_done): Ditto.
8122 * predict.c (tree_estimate_probability): Ditto.
8123 * recog.c (split_all_insns_noflow): Ditto.
8124 (rest_of_handle_peephole2): Ditto.
8125 (rest_of_handle_split_all_insns): Ditto.
8126 * tree-eh.c (lower_eh_constructs): Ditto.
8127 * regmove.c (rest_of_handle_regmove): Ditto.
8128 (rest_of_handle_stack_adjustments): Ditto.
8129 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8130 * function.c (instantiate_virtual_regs): Ditto.
8131 (init_function_for_compilation): Ditto.
8132 (rest_of_handle_check_leaf_regs): Ditto.
8133 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8134 (rest_of_handle_gcse): Ditto.
8135 * ipa-type-escape.c (type_escape_execute): Ditto.
8136 * alias.c (rest_of_handle_cfg): Ditto.
8137 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8138 * profile.c (rest_of_handle_branch_prob): Ditto.
8139 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8140 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8141 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8142 * tree-dfa.c (find_referenced_vars): Ditto.
8143 * except.c (set_nothrow_function_flags): Ditto.
8144 (convert_to_eh_region_ranges): Ditto.
8145 (rest_of_handle_eh): Ditto.
8146 * emit-rtl.c (unshare_all_rtl): Ditto.
8147 (remove_unnecessary_notes): Ditto.
8148 * except.h (set_nothrow_function_flags): Ditto.
8149 (convert_to_eh_region_ranges): Ditto.
8150 * cfgexpand.c (tree_expand_cfg): Ditto.
8151 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8152 * tree-ssa-pre.c (do_pre): Ditto.
8153 (execute_fre): Ditto.
8154 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8155 (rest_of_handle_jump2): Ditto.
8156 * tree-sra.c (tree_sra): Ditto.
8157 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8158 (execute_mudflap_function_decls): Ditto.
8159 * tree-ssa-copy.c (do_copy_prop): Ditto.
8160 (do_store_copy_prop): Ditto.
8161 * ipa-prop.h (ipcp_driver): Ditto.
8162 * cfglayout.c (insn_locators_initialize): Ditto.
8163 * tree-ssa-forwprop.c
8164 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8165 * cfglayout.h (insn_locators_initialize): Ditto.
8166 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8167 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8168 (execute_late_warn_uninitialized): Ditto.
8169 * rtl.h (cleanup_barriers): Ditto.
8170 (split_all_insns_noflow): Ditto.
8171 (purge_line_number_notes): Ditto.
8172 (unshare_all_rtl): Ditto.
8173 (remove_unnecessary_notes): Ditto.
8174 (recompute_reg_usage): Ditto.
8175 (variable_tracking_main): Ditto.
8176 * integrate.c (emit_initial_value_sets): Ditto.
8177 * integrate.h (emit_initial_value_sets): Ditto.
8178 * tree-optimize.c (execute_free_datastructures): Ditto
8179 (execute_free_cfg_annotations): Ditto.
8180 (execute_fixup_cfg): Ditto.
8181 (execute_cleanup_cfg_pre_ipa): Ditto.
8182 (execute_cleanup_cfg_post_optimizing): Ditto.
8183 (execute_init_datastructures): Ditto.
8184 * tree-object-size.c (compute_object_sizes): Ditto.
8185 * combine.c (rest_of_handle_combine): Ditto.
8186 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8187 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8188 (rest_of_handle_reorder_blocks): Ditto.
8189 (rest_of_handle_partition_blocks): Ditto.
8190 * var-tracking.c (variable_tracking_main): Ditto.
8191 * tree-profile.c (tree_profiling): Ditto.
8192 * tree-vect-generic.c (expand_vector_operations): Ditto.
8193 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8194 * sched-rgn.c (rest_of_handle_sched): Ditto.
8195 (rest_of_handle_sched2): Ditto.
8196 * basic-block.h (free_bb_insn): Ditto.
8197 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8198 * tree-cfg.c (execute_build_cfg): Ditto.
8199 (remove_useless_stmts): Ditto.
8200 (split_critical_edges): Ditto.
8201 (execute_warn_function_return): Ditto.
8202 (execute_warn_function_noreturn): Ditto.
8203 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8204 * cfgrtl.c (free_bb_for_insn): Ditto.
8205 * passes.c (execute_one_pass): Run additional
8206 todos returned by execute function.
8207 * tree-pass.h (struct tree_opt_pass): Make execute
8210 2006-03-02 Richard Guenther <rguenther@suse.de>
8212 * tree-ssa-alias.c (find_used_portions): Consider taking
8213 the address as making the variable not write-only.
8215 2006-03-02 Nick Clifton <nickc@redhat.com>
8217 * config.gcc (default_use_cxa_atexit): Extend the description of
8218 this configure variable. Set its default value to "yes" for
8219 Linux, NetBSD and ELF targets on the assumption that they will
8220 use C libraries with the __cxa_atexit function.
8222 2006-03-02 Ben Elliston <bje@au.ibm.com>
8224 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8225 parameter as unused to suppress a build warning.
8227 2006-03-02 Ben Elliston <bje@au.ibm.com>
8229 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8232 2006-03-01 Roger Sayle <roger@eyesopen.com>
8235 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8236 declared name, the weak reference name, and the typeof name.
8237 (__gthrw): Avoid expanding the declared name suffix.
8238 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8240 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8242 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8244 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8245 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8246 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8247 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8248 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8249 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8250 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8251 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8252 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8253 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8254 (DW_END_default, DW_END_big, DW_END_little): New.
8255 (DW_END_lo_user, DW_END_hi_user): Define.
8256 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8257 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8258 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8261 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8263 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8265 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8267 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8269 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8271 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8272 to 'symbol_mem_tag'.
8274 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8277 2006-03-01 Roger Sayle <roger@eyesopen.com>
8279 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8281 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8284 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8285 MACHO_DYNAMIC_NO_PIC_P.
8286 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8288 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8291 * config/darwin-protos.h (darwin_asm_output_anchor):
8293 * config/darwin-sections.def (cstring_section):
8294 Add SECTION_MERGE to the flags.
8295 (literal4_section): Likewise.
8296 (literal8_section): Likewise.
8297 (objc_selector_refs_section): Likewise.
8298 (objc_cls_refs_section): Likewise.
8299 * config/darwin.c (darwin_asm_output_anchor): New
8301 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8303 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8305 Fix PR tree-optimization/26443
8306 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8307 to todo and PROP_tmt_usage to properties_destroyed.
8308 * tree-ssa-ccp.c (pass_ccp): Ditto.
8309 (pass_store_ccp): Ditto.
8310 * tree-ssa-dom.c (pass_dominator): Ditto.
8312 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8314 * tree-ssa-operands.c: Cleanup whitespace.
8315 (get_asm_expr_operands): Move before first invocation.
8316 (get_indirect_ref_operands): Likewise.
8317 (get_tmr_operands): Likewise.
8318 (get_call_expr_operands): Likewise.
8319 (append_def): Likewise.
8320 (append_use): Likewise.
8321 (append_v_may_def): Likewise.
8322 (append_v_must_def): Likewise.
8323 (add_call_clobber_ops): Likewise.
8324 (add_call_read_ops): Likewise.
8325 (add_stmt_operand): Likewise.
8326 (add_virtual_operand): Likewise.
8327 (build_ssa_operands): Likewise.
8329 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8334 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8335 with a call expr to ...
8336 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8338 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8340 * tree-vrp.c (extract_range_from_assert): Remove special
8341 handling for types with super-types.
8343 2006-03-01 Ben Elliston <bje@au.ibm.com>
8345 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8346 and powerpc64-*-linux* configurations.
8347 * config/t-dfprules: New file.
8349 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8350 Compile dfp-bit.c from the source directory using -DWIDTH and
8351 $DFP_CFLAGS to control the compilation of that file, rather than
8352 generating width-specific versions in the build directory.
8353 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8354 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8356 2006-02-28 Zack Weinberg <zackw@panix.com>
8358 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8361 2006-02-28 Eric Christopher <echristo@apple.com>
8363 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8364 Set up IN_LIBGCC definition of TARGET_64BIT.
8365 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8367 2006-02-28 Roger Sayle <roger@eyesopen.com>
8370 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8371 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8372 cases via the construction of "expr != 0".
8374 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8376 * alias.c (alias_invariant, alias_invariant_size): Remove.
8377 (record_base_value): Remove.
8378 (memrefs_conflict_p): Don't look at alias_invariant.
8379 (end_alias_analysis): Don't free it.
8380 * alias.h (record_base_value): Remove prototype.
8382 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8383 Adam Nemet <anemet@caviumnetworks.com>
8385 * rtl.h (truncated_to_mode): Declare it.
8386 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8387 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8388 (RTL_HOOKS_INITIALIZER): Include it.
8389 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8390 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8391 reg_truncated_to_mode.
8392 * rtlanal.c (truncated_to_mode): Define it.
8393 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8395 2006-02-28 Jeff Law <law@redhat.com>
8397 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8398 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8399 the range allowed by TYPE_PRECISION.
8401 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8403 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8405 PR tree-optimization/26419
8406 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8409 2006-02-27 Zack Weinberg <zackw@panix.com>
8411 * doc/md.texi: Fix typo in previous change.
8413 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8417 2006-02-27 Zack Weinberg <zackw@panix.com>
8419 * rtl.def (define_constraint, define_register_constraint)
8420 (define_memory_constraint, define_address_constraint): New MD forms.
8421 * gensupport.c (process_rtx): Put define_constraint etc on the
8423 * genpreds.c (process_define_predicate): Adjust comment. Validate
8424 the name, and call validate_exp to validate the expression.
8425 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8426 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8427 all callers changed.
8428 (validate_exp, needs_variable, struct constraint_data)
8429 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8430 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8431 (const_dbl_constraints, constraint_max_namelen)
8432 (have_register_constraints, have_memory_constraints)
8433 (have_address_constraints, have_address_constraints)
8434 (have_extra_constraints, have_const_int_constraints)
8435 (have_const_dbl_constraints, mangle, add_constraint)
8436 (process_define_constraint, process_define_register_constraint)
8437 (write_enum_constraint_num, write_lookup_constraint)
8438 (write_insn_constraint_len, write_regclass_for_constraint)
8439 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8440 (write_insn_extra_memory_constraint)
8441 (write_insn_extra_address_constraint)
8442 (write_satisfies_constraint_fns): New.
8443 (write_tm_preds_h): If we have new-style constraint definitions,
8444 prototype the functions generated from them, and define the
8445 old constraint interface (still used by generic code) in terms of
8447 (write_insn_preds_c): If we have new-style constraint definitions,
8448 generate all relevant functions from those definitions.
8449 (main): Handle define_constraint etc.
8450 * genoutput.c (struct constraint_data, indep_constraints)
8451 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8452 (mdep_constraint_len): New data structures and functions, defined
8453 #ifdef USE_MD_CONSTRAINTS.
8454 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8455 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8456 use new logic to validate operand constraints against constraint
8458 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8460 * defaults.h: If none of the old-style constraint macros are
8461 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8462 old-style macros; and poison REG_CLASS_FROM_LETTER,
8463 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8465 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8466 * doc/md.texi: Document new constraint-definition mechanism and the
8467 C interface it provides. Remove references to old mechanism
8468 elsewhere in the document.
8469 (Machine Constraints): Use pathnames relative to gcc directory,
8470 i.e. config/ARCH/FILE. Change i386 section to refer to
8471 config/i386/predicates.md; update that section to match docstrings.
8472 * doc/tm.texi: Move all documentation of the old constraint-
8473 definition macros to their own section, clearly mark as obsolete.
8475 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8476 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8478 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8479 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8480 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8482 (splits and peepholes): Use satisfies_constraint_*.
8483 * config/i386/i386.c (memory_address_length)
8484 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8486 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8488 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8489 scalar operation to be put back into the loop.
8491 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8494 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8495 (extract_cie_info): Handle S flag in augmentation string.
8496 (execute_cfa_program): If context->signal_frame, execute also
8497 fs->pc == context->ra instructions.
8498 (uw_frame_state_for): If context->signal_frame, don't subtract one
8499 from context->ra to find FDE.
8500 (uw_update_context_1): Set context->signal_frame to
8502 (_Unwind_GetIPInfo): New function.
8503 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8504 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8506 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8507 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8508 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8509 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8510 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8511 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8512 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8513 x86_64_fallback_frame_state): Set fs->signal_frame.
8514 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8515 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8516 (frob_update_context): Likewise. Workaround missing S flag in
8517 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8518 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8519 Remove the psw_addr + 1 hack.
8521 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8523 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8524 with aggregates here.
8525 (find_func_aliases): Remove code for &<aggregate> from here.
8527 2006-02-26 Roger Sayle <roger@eyesopen.com>
8529 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8530 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8531 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8534 2006-02-26 Roger Sayle <roger@eyesopen.com>
8537 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8539 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8541 * opts.c (decode_options): Do not handle flag_strength_reduce.
8542 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8543 and OPT_fstrength_reduce.
8544 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8545 flag_prefetch_loop_arrays for being nonzero.
8546 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8548 (fprefetch-loop-arrays-rtl): Removed.
8549 (flag_prefetch_loop_arrays): Do not specify the value.
8551 * doc/passes.texi: Update documentation of loop optimizer
8553 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8554 -frerun-loop-opt): Remove.
8556 2006-02-26 Richard Guenther <rguenther@suse.de>
8558 PR tree-optimization/26421
8559 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8560 in function calls that are ADDR_EXPRs as using the whole structure.
8562 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8564 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8565 * tree-pass.h (pass_loop_optimize): Remove.
8566 * passes.c (pass_loop_optimize): Never run it.
8567 * toplev.c (backend_init): Don't call init_loop.
8568 * opts.c (flag_loop_optimize_set): Remove.
8569 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8570 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8571 the old RTL loop optimizer when profiling enabled.
8572 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8573 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8574 pre-headers for the sake of the old RTL loop optimizer.
8575 * Makefile.in: Remove all references to loop.o.
8577 * doc/invoke.texi: Remove all references to -floop-optimize
8578 and -frerun-loop-opt.
8580 2006-02-26 Zack Weinberg <zackw@panix.com>
8582 * doc/md.texi (Machine Constraints): Refer to all files with paths
8583 relative to gcc directory (i.e. config/CPU/file). Add missing
8584 @table @code ... @end table to M32C subsection.
8586 2006-02-26 Roger Sayle <roger@eyesopen.com>
8588 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8590 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8592 2006-02-26 Roger Sayle <roger@eyesopen.com>
8593 James A. Morrison <phython@gcc.gnu.org>
8596 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8597 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8598 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8599 signedness of the shift operation.
8601 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8603 PR tree-optimization/26359
8604 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8606 2006-02-25 Roger Sayle <roger@eyesopen.com>
8608 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8609 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8610 as X == 0, and some symmetry related transformations.
8611 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8613 2006-02-25 Roger Sayle <roger@eyesopen.com>
8616 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8617 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8618 symmetry related transformations. Fold (X^C1) == C2 as
8621 2006-02-25 Juergen Weigert <jw@suse.de>
8622 Richard Guenther <rguenther@suse.de>
8624 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8626 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8628 * combine.c (gen_lowpart_or_truncate): Call
8629 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8631 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8633 * doc/invoke.texi: Move -fopenmp description to "Options for
8635 Remove reference to -lgomp.
8637 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8639 * doc/install.texi: Require GNU tar version 1.14.
8641 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8643 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8644 * doc/invoke.texi (C++ Dialect Options): Document
8645 -fno-use-cxa-get-exception-ptr.
8646 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8647 * configure: Regenerate.
8648 * c.opt (fuse-cxa-get-exception-ptr): New.
8649 * c-opts.c (c_common_handle_option): Handle
8650 OPT_fuse_cxa_get_exception_ptr.
8651 * c-common.c (flag_use_cxa_atexit): Update documentation.
8652 (flag_use_cxa_get_exception_ptr): New.
8653 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8654 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8656 (C_COMMON_OVERRIDE_OPTIONS): New.
8658 2006-02-24 Roger Sayle <roger@eyesopen.com>
8661 * combine.c (try_combine): Explicitly check whether GET_CODE is
8662 a SET or a CLOBBER, instead on checking that it isn't a USE.
8664 2006-02-24 Roger Sayle <roger@eyesopen.com>
8666 * fold-const.c (fold_comparison): New subroutine of fold_binary
8667 containing transformations common to both the equality and
8668 ordering relational operators, factored out of fold_binary.
8669 (fold_binary): Separate out the equality operators (EQ_EXPR
8670 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8671 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8672 transformations common to both.
8673 (fold_div_compare): Fix latent bugs in the previously unreachable
8674 LT_EXPR and GE_EXPR cases.
8676 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8678 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8679 decl libname for clog to __clog on AIX.
8681 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8683 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8686 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8687 output traceback table for thunks. Localise rs6000_stack_info call.
8689 2006-02-23 Roger Sayle <roger@eyesopen.com>
8690 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8692 * gthr-posix.h (__gthrw): Fix typo in comment.
8694 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8696 * doc/cpp.texi (Character sets): Document that we do support
8697 input files to be in any character set.
8699 2006-02-23 Jeff Law <law@redhat.com>
8701 * tree.h (PHI_ARG_NONZERO): Remove.
8702 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8703 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8704 node to the new node.
8706 PR tree-optimization/26425
8707 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8708 min/max, then assume its varying.
8710 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8712 PR rtl-optimization/26316
8713 * rtlanal.c (enum may_trap_p_flags): New.
8714 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8715 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8716 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8717 (may_trap_after_code_motion_p): New function.
8718 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8719 (find_invariant_insn): Use may_trap_after_code_motion_p.
8720 * rtl.h (may_trap_after_code_motion_p): Declare.
8722 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8724 * emit-rtl.c (immed_double_const): Cleanup.
8726 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8728 Fix PR tree-optimization/26376
8729 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8732 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8735 * gimplify.c (omp_add_variable): Guard variable size decl test with
8736 DECL_SIZE (decl) check.
8738 2006-02-23 Richard Guenther <rguenther@suse.de>
8741 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8742 like aggregate types.
8744 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8746 * configure.ac: Add --with{,out}-long-double-128 configure option.
8747 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8748 * configure: Rebuilt.
8749 * config.in: Rebuilt.
8750 * doc/install.texi (Options specification): Document
8751 --with-long-double-128.
8753 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8754 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8755 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8756 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8758 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8760 * config/s390/s390.c (override_options): Handle
8761 TARGET_DEFAULT_LONG_DOUBLE_128.
8763 * config/alpha/alpha.c (override_options): Handle
8764 TARGET_DEFAULT_LONG_DOUBLE_128.
8766 * config/sparc/sparc.c (sparc_override_options): Handle
8767 TARGET_DEFAULT_LONG_DOUBLE_128.
8769 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8771 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8772 (real-install-headers-tar, real-install-headers-cpio)
8773 (real-install-headers-cp): New targets.
8775 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8777 * tree.h (variable_section): Delete.
8778 * varasm.c (variable_section): Delete.
8780 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8782 * install.texi: Add notes on install.texi2html.
8783 (Building in parallel): Do not use footnotes.
8785 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8788 * doc/install.texi (Configuration): Document --disable-libgomp.
8790 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8792 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8794 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8796 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8797 (vec_extractv2df_0_sse): New.
8799 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8801 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8802 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8803 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8804 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8805 to the result of the expression.
8806 (def_cfa_1): Adjust.
8807 (frame_pointer_cfa_offset): Rename to...
8808 (frame_pointer_fb_offset): ... this. Adjust all uses.
8809 (convert_cfa_to_loc_list): Rename to...
8810 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8811 Pass it on to build_cfa_loc.
8812 (compute_frame_pointer_to_cfa_displacement): Rename to...
8813 (compute_frame_pointer_to_fb_displacement): ... this. New
8814 offset parameter. Use it in computation.
8815 (gen_subprogram_die): Compute cfa_fb_offset with the new
8816 macro, and use it to compute the fb loc list and the
8819 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8821 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8822 replaced with register_operand.
8823 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8824 non-DREG is expensive.
8825 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8826 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8829 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8831 * doc/install.texi2html: Use set -e.
8833 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8835 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8836 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8837 * doc/invoke.texi (-fshared-data): Delete.
8838 * common.opt (fshared-data): Delete.
8839 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8840 (assemble_static_space): Remove #if 0 code.
8841 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8842 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8843 * config/cris/cris.h: Remove FIXME.
8845 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8847 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8850 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8853 * combine.c (simplify_shift_const_1): Disable nested shifts
8854 optimization for vector shifts.
8856 2006-02-20 Roger Sayle <roger@eyesopen.com>
8858 PR tree-optimization/26361
8859 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8860 of unsigned integer types.
8862 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8864 * tree-chrec.c (eq_evolutions_p): New.
8865 * tree-chrec.h (eq_evolutions_p): Declared.
8866 * tree-data-ref.c: Fix formatting.
8867 (datadep_stats, dependence_stats): New.
8869 (print_direction_vector): New.
8870 (dump_data_dependence_relation): Use print_direction_vector.
8871 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8872 (compute_subscript_distance): Static.
8873 (initialize_data_dependence_relation): Static. Get the number
8874 of loops surrounding the references from the callers, and initialize
8875 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8876 base_object_differ_p analyzers.
8877 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8878 compute_overlap_steps_for_affine_1_2,
8879 analyze_subscript_affine_affine): Count the classified dependences.
8880 Print a message when a test failed.
8881 (can_use_analyze_subscript_affine_affine): New.
8882 (analyze_siv_subscript): Compute the data dependences on symbolic
8883 scevs that verify can_use_analyze_subscript_affine_affine.
8884 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8885 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8886 Handle symbolic scevs.
8887 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8889 (subscript_dependence_tester): Moved...
8890 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8891 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8892 DDR_SIZE_VECT instead of getting it in parameter.
8893 (subscript_dependence_tester): ... here. Take as a parameter
8894 loop_nest_depth. Call build_classic_dist_vector and
8895 build_classic_dir_vector.
8896 (compute_affine_dependence): Update subscript_dependence_tester
8897 parameters. Update datadep_stats counters. Call
8898 compute_subscript_distance.
8899 (compute_self_dependence): Save the dist and dir vectors. Call
8900 compute_subscript_distance.
8901 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8902 (compute_all_dependences): Reorder parameters as they were before
8903 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8904 compute_subscript_distance. Update the use of
8905 compute_affine_dependence and initialize_data_dependence_relation.
8906 (find_data_references_in_loop): Handle COMPONENT_REF.
8907 (compute_data_dependences_for_loop): Initialize dependence_stats.
8908 Don't call build_classic_dist_vector and build_classic_dir_vector.
8909 Update the parameters of initialize_data_dependence_relation and
8910 compute_all_dependences. Print the statistics from datadep_stats.
8911 (analyze_all_data_dependences): Static. Not used until the pass for
8912 checking the data dependences is contributed.
8913 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8914 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8915 (initialize_data_dependence_relation, compute_affine_dependence,
8916 analyze_all_data_dependences, compute_subscript_distance): Removed.
8917 (print_direction_vector): New.
8918 * lambda.h (gcd): ... here.
8919 (lambda_vector_gcd): Moved here from gcd_vector.
8920 * lambda-code.c (gcd, gcd_vector): Removed.
8921 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8922 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8924 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8926 * ipa-type-escape.c: Tidy some comments and white space.
8927 * tree-ssa-operands.c: Likewise.
8929 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8932 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8933 (dump_decl_name): Do not walk the decl tree chains.
8934 * tree-pass.h (TDF_CHAIN): Remove.
8936 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8938 * Makefile.in (C): Remove
8940 (.PHONY): Remove C and PROTO
8942 2006-02-20 Roger Sayle <roger@eyesopen.com>
8945 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8946 deprecated CHAR_TYPE tree code.
8948 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8950 * configure.ac (target_list): Add install-info, dvi, html.
8951 * configure: Regenerate.
8953 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8954 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8955 treelang/Make-lang.in: Do not use double-colon rules.
8957 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8959 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8960 (TMT_USED_ALONE): New macro.
8961 * tree-pass.h (PROP_tmt_usage): New property.
8962 (TODO_update_tmt_usage): New todo.
8963 * tree-ssa-alias.c (updating_used_alone): New variable.
8964 (recalculate_used_alone): New function.
8965 (compute_may_aliases): Set updating_used_alone, call
8966 recalculate_used_alone.
8967 * tree-sra.c (pass_sra): Note that this pass destroys
8968 PROP_tmt_usage, and add TODO_update_tmt_usage.
8969 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8970 * tree-flow.h (updating_used_alone): Prototype.
8971 (recalculate_used_alone): Ditto.
8972 * passes.c (execute_todo): Add code to set updating_used_alone,
8973 and call recalculate.
8974 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8975 for clobber if used alone, and add assert to verify used_alone
8978 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8980 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8981 for non tls symbols added.
8982 (legitimize_address): Do nothing for PLUS expressions if one of the
8983 addends is a tls symbol reference.
8985 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8989 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8991 * Makefile.in (BOOTSTRAPPING): New.
8992 (quickstrap): New definition if BOOTSTRAPPING=yes.
8994 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8995 * configure.ac: Substitute all_selected_languages with the languages
8996 that were configured. For all the other variables except
8997 lang_specs_files, include all the languages in the tree.
8998 * configure: Regenerate.
9000 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9001 if there is one. Run the commands to run fixincludes in the same
9004 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9005 * doc/install.texi: Document exact conventions for searching target tools.
9006 Document --with-build-time-tools. Document toplevel bootstrap. Document
9007 something more about building an Ada cross-compiler. Don't list GNU Make
9008 requirements which affect all platforms.
9010 2006-02-19 Roger Sayle <roger@eyesopen.com>
9013 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9014 only equivalent if the have both the same mode and precision.
9016 2006-02-20 Ben Elliston <bje@au.ibm.com>
9018 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9020 2006-02-19 Roger Sayle <roger@eyesopen.com>
9021 Steven Bosscher <stevenb.gcc@gmail.com>
9023 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9024 constant pool references to identify stack mode constants.
9025 * rtlanal.c (constant_pool_constant_p): New predicate to check
9026 whether operand is a floating point constant in the pool.
9027 * rtl.h (constant_pool_constant_p): Prototype here.
9028 * loop.c (scan_loop): Avoid hoisting constants from the constant
9029 pool on STACK_REGS targets.
9030 (load_mems): Likewise.
9031 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9032 loads into x87 registers expensive in terms of register pressure.
9034 2006-02-19 Roger Sayle <roger@eyesopen.com>
9036 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9037 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9039 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9041 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9042 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9044 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9046 * doc/invoke.texi: Document -fipa-pta.
9047 * common.opt: Add ipa-pta option.
9048 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9049 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9050 (do_ds_constraint): Ditto.
9051 (get_constraint_for): Only add to referenced_vars if
9052 referenced_vars exists.
9053 (insert_into_field_list): Rewrite to do this unsorted.
9054 (insert_into_field_list_sorted): Rename old insert_into_field_list
9056 (create_function_info_for): Use insert_into_field_list_sorted.
9057 (create_variable_info_for): Rewrite so it uses unsorted version,
9058 since the field list is sorted.
9059 (intra_create_variable_infos): Only add to referenced_vars if
9060 referenced_vars exists.
9061 (ipa_pta_execute): Init heapvars, and delete when done.
9062 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9064 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9066 * doc/install.texi: Add missing `@samp'.
9068 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9070 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9073 2006-02-18 Mark Wielaard <mark@klomp.org>
9075 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9076 who added new 4.1 features, bug fixes and integration support.
9078 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9081 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9084 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9086 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9087 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9088 (copy_insn_1): Likewise. Don't copy each field individually.
9090 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9092 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9093 * rtl.c (rtx_size): Rename variable to...
9094 (rtx_code_size): ...this.
9095 (rtx_size): New function.
9096 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9097 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9099 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9100 * rtl.h (rtx_code_size): New variable.
9101 (rtx_size): Change from a variable to a function.
9102 (RTX_SIZE): Rename to...
9103 (RTX_CODE_SIZE): ...this.
9106 PR tree-optimization/17106
9107 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9108 (Anchored Addresses): New section.
9109 * doc/invoke.texi (-fsection-anchors): Document.
9110 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9111 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9112 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9113 * hooks.c (hook_bool_mode_rtx_false): New function.
9114 * hooks.h (hook_bool_mode_rtx_false): Declare.
9115 * gengtype.c (create_optional_field): New function.
9116 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9117 SYMBOL_REF_IN_BLOCK_P is true.
9118 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9119 (min_anchor_offset, max_anchor_offset): Likewise.
9120 (use_anchors_for_symbol_p): New hook.
9121 * toplev.c (compile_file): Call output_object_blocks.
9122 (target_supports_section_anchors_p): New function.
9123 (process_options): Check that -fsection-anchors is only used on
9124 targets that support it and when -funit-at-a-time is in effect.
9125 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9126 if the decl doesn't have one.
9127 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9128 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9129 of force_const_mem through use_anchored_address.
9130 (expand_expr_constant): New function.
9131 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9132 calling expand_expr for INDIRECT_REF.
9133 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9134 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9135 * expr.h (use_anchored_address): Declare.
9136 * loop-unroll.c: Don't declare rtx vectors here.
9137 * explow.c: Include output.h.
9138 (validize_mem): Call use_anchored_address.
9139 (use_anchored_address): New function.
9140 * common.opt (-fsection-anchors): New switch.
9141 * varasm.c (object_block_htab, anchor_labelno): New variables.
9142 (hash_section, object_block_entry_eq, object_block_entry_hash)
9143 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9144 (use_blocks_for_decl_p, change_symbol_section): New functions.
9145 (get_variable_section): New function, split out from assemble_variable.
9146 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9147 use_blocks_for_decl_p say so. Use change_symbol_section if the
9148 symbol has already been created.
9149 (assemble_variable_contents): New function, split out from...
9150 (assemble_variable): ...here. Don't output any code for
9151 block symbols; just pass them to place_block_symbol.
9152 Use get_variable_section and assemble_variable_contents.
9153 (get_constant_alignment, get_constant_section, get_constant_size): New
9154 functions, split from output_constant_def_contents.
9155 (build_constant_desc): Create a block symbol if use_object_blocks_p
9156 says so. Or into SYMBOL_REF_FLAGS.
9157 (assemble_constant_contents): New function, split from...
9158 (output_constant_def_contents): ...here. Don't output any code
9159 for block symbols; just pass them to place_section_symbol.
9160 Use get_constant_section and get_constant_alignment.
9161 (force_const_mem): Create a block symbol if use_object_blocks_p and
9162 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9163 (output_constant_pool_1): Add an explicit alignment argument.
9164 Don't switch sections here.
9165 (output_constant_pool): Adjust call to output_constant_pool_1.
9166 Switch sections here instead. Don't output anything for block symbols;
9167 just pass them to place_block_symbol.
9168 (init_varasm_once): Initialize object_block_htab.
9169 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9170 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9171 (place_block_symbol, get_section_anchor, output_object_block)
9172 (output_object_block_htab, output_object_blocks): New functions.
9173 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9174 (TARGET_ASM_OUT): Include it.
9175 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9176 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9177 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9178 (TARGET_INITIALIZER): Include them.
9179 * rtl.c (rtl_check_failed_block_symbol): New function.
9180 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9181 (block_symbol, object_block): New structures.
9182 (rtx_def): Add a block_symbol field to the union.
9183 (BLOCK_SYMBOL_CHECK): New macro.
9184 (rtl_check_failed_block_symbol): Declare.
9185 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9186 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9187 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9188 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9189 * output.h (output_section_symbols): Declare.
9190 (object_block): Name structure.
9191 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9192 (default_use_anchors_for_symbol_p): Declare.
9193 * Makefile.in (RTL_BASE_H): Add vec.h.
9194 (explow.o): Depend on output.h.
9195 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9196 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9197 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9198 (rs6000_use_blocks_for_constant_p): New function.
9200 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9202 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9204 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9207 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9210 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9212 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9216 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9219 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9220 instead of DECL_REGISTER.
9222 2006-02-18 Olivier Hainque <hainque@adacore.com>
9225 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9227 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9230 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9231 * opth-gen.awk: Handle Var and InverseMask together.
9232 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9233 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9234 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9235 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9237 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9238 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9239 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9240 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9241 LINUX_DYNAMIC_LINKER): Define.
9242 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9243 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9245 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9246 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9247 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9248 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9249 (TARGET_C99_FUNCTIONS): Don't define.
9250 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9251 GLIBC_DYNAMIC_LINKER.
9252 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9253 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9254 GLIBC_DYNAMIC_LINKER64): Define.
9255 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9256 LINUX_DYNAMIC_LINKER64.
9257 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9258 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9259 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9260 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9261 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9262 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9263 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9264 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9265 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9266 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9267 and LINUX_DYNAMIC_LINKER32.
9268 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9269 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9270 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9271 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9272 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9274 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9275 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9276 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9277 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9278 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9279 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9280 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9281 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9282 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9283 LINUX_DYNAMIC_LINKER): Define.
9284 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9285 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9286 GLIBC_DYNAMIC_LINKER64): Define.
9287 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9288 LINUX_DYNAMIC_LINKER64.
9289 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9290 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9291 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9292 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9293 LINUX_DYNAMIC_LINKER): Define.
9294 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9295 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9296 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9297 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9298 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9299 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9300 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9301 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9302 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9303 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9304 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9305 * doc/invoke.texi (-muclibc): Remove caveat about supported
9308 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9310 * doc/cpp.texi (__TIMESTAMP__): Document.
9312 2006-02-17 Roger Sayle <roger@eyesopen.com>
9315 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9316 C is one less than the width of X (and related transformations).
9317 * simplify-rtx.c (simplify_unary_operation_1): Transform
9318 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9319 depending on STORE_FLAG_VALUE, were C is one less then the
9322 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9324 Fix PR tree-optimization/26341
9325 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9326 about NAME_MEMORY_TAG's.
9328 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9331 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9332 with hardware float support, and software float support. Add fcpy
9333 alternative to hardware patterns. Add alternatives to copy between
9334 general and floating-point registers to the 32-bit pattern.
9335 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9336 secondary reload to load a QI or HI mode constant into a floating
9338 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9339 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9341 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9344 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9346 (load_macho_picbase_di): Likewise.
9348 2006-02-16 Jeff Law <law@redhat.com>
9350 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9351 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9352 (ssa_name_nonzero_p): Likewise.
9353 (get_value_range): Return NULL if VRP is not running.
9354 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9355 VRP routines do not discover a range.
9356 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9357 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9358 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9359 (tree_expr_nonnegative_p): Similarly.
9360 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9361 (restore_nonzero_vars_to_original_value): Remove.
9362 (unsafe_associative_fp_binop): Remove.
9363 (tree_ssa_dominator_optimize): Remove initialization and
9364 finalization of nonzero_vars and nonzero_vars_stack.
9365 (dom_opt_initialize_block): No longer push marker on
9367 (dom_opt_finalize_block): No longer call
9368 restore_nonzero_vars_to_original_value.
9369 (record_equivalences_from_phis): No longer look for
9370 nonzero PHI arguments.
9371 (cprop_into_successor_phis): No longer propagate nonzero
9372 property into PHI arguments. Lose unused argument. Caller
9374 (record_equivalences_from_stmt): No longer record nonzero
9375 values for SSA_NAMEs.
9376 (lookup_avail_expr): No longer use nonzero_vars.
9378 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9379 for sizetype when sizetype is unsigned.
9381 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9383 PR rtl-optimization/25603
9384 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9385 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9386 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9387 with new meaning of SETS.
9389 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9394 * config/linux.opt: New file.
9395 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9396 LINUX_DYNAMIC_LINKER): Define.
9397 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9398 * config.gcc (*-*-linux*): Define extra_options.
9399 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9400 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9401 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9402 GLIBC_DYNAMIC_LINKER.
9403 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9404 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9405 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9406 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9407 * doc/invoke.texi (GNU/Linux Options): New section.
9409 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9411 * config/sparc/sparc.md (setjmp): Rewrite.
9412 (setjmp_32): Delete.
9413 (setjmp_64): Likewise.
9415 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9417 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9420 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9422 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9425 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9427 PR rtl-optimization/26296
9428 * Makefile.in (loop-invariant.c): Add except.h dependency.
9429 * loop-invariant.c: Include except.h.
9430 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9432 2005-02-16 Paul Brook <paul@codesourcery.com>
9434 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9437 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9439 PR rtl-optimization/25636
9440 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9441 when deciding whether an insn is an initializing insn.
9443 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9445 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9446 (tree_code_size): Ditto.
9447 * tree.h (struct tree_memory_tag): Remove parent_var.
9448 (struct tree_struct_field_tag): New.
9451 (union tree_node): Add sft member.
9452 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9454 (create_sft): Add size and offset argument, set SFT_OFFSET and
9456 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9457 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9458 * tree-flow-inline.h (get_subvar_at): Update for
9459 SFT_OFFSET/SFT_SIZE.
9460 (var_can_have_subvars): Ditto.
9461 (overlap_subvar): Ditto.
9462 * print-tree.c (print_node): Print out interesting things for
9464 * tree-flow.h (struct subvar): Remove offset and size members.
9465 * tree-ssa-operands.c (get_expr_operands): Update for
9466 get_indirect_ref_operands changes.
9467 (get_indirect_ref_operands): Call add_virtual_operand instead of
9468 add_stmt_operand. Only recurse on base var if requested.
9469 (access_can_touch_variable): New function.
9470 (add_stmt_operand): Split virtual operand handling into ...
9471 (add_virtual_operand): Here. Add offset, size, and for_clobber
9472 arguments. Prune alias sets.
9473 (add_call_clobber_ops): Call add_virtual_operand.
9475 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9478 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9480 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9481 than TREE_CODE as index into omp_clause_num_ops array.
9483 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9485 PR rtl-optimization/26184
9486 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9488 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9489 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9490 must_precede, must_follow and tobe_scheduled.
9493 * opts.c (common_handle_option): Free new_option pointer.
9494 * df-core.c (df_analyze): Free postorder pointer.
9496 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9498 * Makefile.in: Fix the examples about the use of stamps
9500 2006-02-15 Michael Matz <matz@suse.de>
9504 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9505 influenced by maximum_field_alignment or DECL_PACKED.
9506 (update_alignment_for_field): Ditto.
9507 (place_field): Ditto.
9508 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9511 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9513 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9514 (debug_flow_info): Pass it.
9515 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9516 * bb-reorder.c (reorder_basic_blocks): Likewise.
9517 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9518 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9519 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9520 * gcse.c (gcse_main, bypass_jumps): Likewise.
9521 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9522 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9523 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9524 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9525 * rtl.h (dump_flow_info): Adjust prototype.
9526 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9527 * var-tracking.c (variable_tracking_main): Likewise.
9528 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9529 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9532 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9534 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9537 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9539 PR tree-optimization/26209
9540 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9541 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9543 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9545 2006-02-14 Roger Sayle <roger@eyesopen.com>
9548 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9549 (X,Y) and the corresponding symmetry related transformations.
9550 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9551 (X,Y) and its symmetry related transformations.
9553 2006-02-14 Roger Sayle <roger@eyesopen.com>
9555 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9558 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9560 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9562 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9565 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9566 support COMDAT group.
9567 * configure: Regenerate.
9569 2006-02-14 Roger Sayle <roger@eyesopen.com>
9574 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9576 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9578 Fix PR tree-optimization/26260
9580 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9582 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9583 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9584 * tree-ssa-structalias.c (create_variable_info_for): Use
9585 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9587 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9589 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9591 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9592 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9593 of the ending condition.
9594 * tree-ssa-loop-manip.c: Include params.h.
9595 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9596 tree_unroll_loop): New functions.
9597 * tree-pass.h (pass_loop_prefetch): Declare.
9598 * loop.c (rest_of_handle_loop_optimize): Test for
9599 -fprefetch-loop-arrays-rtl.
9600 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9601 * timevar.def (TV_TREE_PREFETCH): New timevar.
9602 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9603 pass_loop_prefetch): New.
9604 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9605 (cleanup_tree_cfg_loop): Call scev_reset.
9606 * common.opt (fprefetch-loop-arrays-rtl): Add.
9607 * tree-ssa-loop-prefetch.c: New file.
9608 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9609 (new_temp_expr_table): Initialize expr_vars.
9610 (free_temp_expr_table): Cleanup expr_vars.
9611 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9612 expressions from being merged into one.
9613 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9614 (struct tree_niter_desc): Add control, bound and cmp fields.
9615 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9617 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9618 (tree-cfgcleanup.o): Add SCEV_H dependency.
9619 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9620 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9622 2006-02-14 Richard Guenther <rguenther@suse.de>
9624 PR tree-optimization/26258
9625 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9626 in PHI argument processing.
9628 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9630 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9631 new expression in the requested machine mode.
9633 2006-02-13 Roger Sayle <roger@eyesopen.com>
9635 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9636 directly, instead let do_compare_rtx_and_jump handle this for us.
9637 * expr.c (expand_expr_real_1): Likewise.
9638 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9639 before do_jump_by_parts_greater.
9640 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9641 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9643 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9645 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9647 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9649 PR rtl-optimization/26235
9650 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9651 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9654 2006-02-13 Jeff Law <law@redhat.com>
9656 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9659 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9662 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9663 twice if decl is a builtin. When trying again, call get_callee_fndecl
9664 first to verify it is still a builtin.
9666 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9668 * dwarf2out.c (base_type_die): Don't add AT_name here.
9669 (subrange_type_die): Don't add AT_name here.
9670 (modified_type_die): Rearrange code flow. Do add AT_name here.
9672 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9674 PR rtl-optimization/26247
9675 PR rtl-optimization/26248
9676 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9678 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9680 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9681 * config/fixtfdi.c: Likewise.
9682 * config/fixunstfdi.c: Likewise.
9683 * config/floatditf.c: Likewise.
9685 2006-02-13 Roger Sayle <roger@eyesopen.com>
9688 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9689 into (X,C2) if C1 is a subset of the bits of C2. Transform
9690 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9692 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9694 2006-02-13 Josh Conner <jconner@apple.com>
9697 * varasm.c (function_section): Check for section name before
9698 calling select_section on targets that define
9699 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9700 unlikely_text_section instead of hot_function_section if
9701 first_function_block_is_cold.
9703 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9706 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9708 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9710 PR rtl-optimization/26222
9711 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9712 after tree->rtl expansion.
9713 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9714 before passing it to emit_move_insn.
9716 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9718 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9720 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9721 Clarify documentation.
9722 * c-common.h (warn_write_strings): Remove.
9723 * c-common.c (warn_write_strings): Likewise.
9724 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9727 2006-02-12 Roger Sayle <roger@eyesopen.com>
9730 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9731 (do_jump_parts_zero_rtx): New function renamed from
9732 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9733 (do_jump_parts_equality_rtx): New function split out from
9734 do_jump_parts_equality. Old implementation renamed as above.
9735 Call do_jump_parts_zero_rtx if either operand is zero.
9736 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9737 do all of the heavy lifting.
9738 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9739 calling either do_jump_by_parts_greater_rtx or
9740 do_jump_by_parts_equality_rtx.
9741 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9742 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9743 moved to do_compare_rtx_and_jump, call it directly.
9744 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9745 mode argument. Call do_compare_rtx_and_jump.
9746 (emit_case_nodes): Update calls to do_jump_if_equal.
9748 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9750 PR rtl-optimization/26225
9751 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9753 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9755 PR rtl-optimization/26232
9756 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9758 2006-02-11 Jason Merrill <jason@redhat.com>
9761 * tree-inline.c (declare_return_variable): Just don't use the
9762 modify target if it's a gimple complex reg and the return slot
9765 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9767 * doc/contrib.texi: Update my entry.
9769 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9771 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9773 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9775 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9778 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9780 * doc/invoke.texi (-floop-optimize2): Removed.
9781 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9782 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9783 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9784 * common.opt (floop-optimize2): Removed.
9785 (fmove-loop-invariants): Enabled by default.
9787 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9789 * tree-if-conv.c (combine_blocks): Free the result of
9790 get_loop_exit_edges.
9792 2006-02-10 Jeff Law <law@redhat.com>
9794 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9796 PR tree-optimization/26213
9797 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9798 loop trying to follow SSA_NAME_VALUE chains.
9800 2006-02-10 Richard Guenther <rguenther@suse.de>
9802 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9803 deal with structures that end in implicitly variable sized arrays.
9805 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9807 PR rtl-optimization/24762
9808 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9811 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9813 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9814 (struct ivopts_data): Add regs_used field.
9815 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9816 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9817 instead of loop_data->regs_used;
9818 (free_loop_data): Do not free aux fields for loops.
9819 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9820 and tree_ssa_iv_optimize_finalize.
9822 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9824 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9826 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9829 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9830 computing the effective result type.
9832 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9835 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9836 (tree_overlaps_hard_reg_set): Declare.
9837 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9838 type and signature to match function type expected by walk_tree.
9839 (tree_overlaps_hard_reg_set): New function.
9840 (decl_conflicts_with_clobbers_p): Rename to:
9841 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9842 Use tree_overlaps_hard_reg_set. Changed caller.
9843 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9844 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9845 * cris.c (cris_md_asm_clobbers): Likewise.
9847 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9849 * reload1.c (emit_input_reload_insns): Delete code that tries to
9850 inherit using find_equiv_reg.
9852 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9854 * c-common.h (flag_const_strings): Don't declare.
9855 * c-common.c (flag_const_strings): Remove.
9856 * c.opt (fconst_strings): Remove.
9857 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9858 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9859 (c_common_init_options): Don't set flag_const_strings.
9860 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9862 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9864 * arm.md (tlobits_cbranch): New pattern.
9865 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9866 testing a single bit.
9868 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9871 * tree-ssa-pre.c (create_component_ref_by_pieces):
9872 Handle RETURN_DECL like VAR_DECL.
9874 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9877 * fold-const.c (fold_indirect_ref_1): Fold
9878 "*(foo *)&complexfoo" to "__real__ complexfoo"
9879 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9881 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9883 * tree-flow-inline.h (var_can_have_subvars):
9884 Volatile variables should not have subvariables.
9886 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9889 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9890 multiplying unsigned values.
9893 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9895 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9897 2006-02-08 Jason Merrill <jason@redhat.com>
9900 * tree.def: Elaborate on difference from MODIFY_EXPR.
9901 * doc/c-tree.texi (INIT_EXPR): Likewise.
9902 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9903 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9904 (gimplify_target_expr): Likewise.
9905 (gimplify_cond_expr): Remove target handling.
9906 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9907 (gimplify_expr): Clobber it here.
9908 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9909 Do return slot optimization if we have an INIT_EXPR.
9912 * tree-inline.c (declare_return_variable): Also clear
9913 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9916 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9919 * gimplify.c (gimplify_one_sizepos): Fix typo.
9921 2006-02-08 Jeff Law <law@redhat.com>
9923 PR tree-optimization/21417
9924 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9925 across a backedge if the control statement at the end of the
9926 block is data dependent on other statements in the same block.
9927 (record_temporary_equivalences_from_stmts): Remove over-conservative
9928 test for threading across backedges.
9930 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9931 control statement, handle all three special cases in the same
9932 manner as they all have the same desired solution. No longer
9933 special case edge flag updating when the post dominator is
9936 2006-02-08 Roger Sayle <roger@eyesopen.com>
9938 * tree.def (CHAR_TYPE): Remove.
9939 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9940 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9941 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9942 (gen_string_type_die): Delete unreachable function.
9944 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9945 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9946 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9947 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9948 * builtins.c (type_to_class): Likewise.
9949 * fold-const.c (fold_convert, build_range_check,
9950 merge_ranges): Likewise.
9951 * expr.c (count_type_elements): Likewise.
9952 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9953 * stor-layout.c (layout_type): Likewise.
9954 * ipa-type-escape.c (type_to_consider): Likewise.
9955 * gimplify.c (omp_firstprivatize_type_sizes,
9956 gimplify_type_sizes): Likewise.
9957 * explow.c (promote_mode): Likewise.
9958 * tree-sra.c (is_sra_scalar_type): Likewise.
9959 * varasm.c (output_constant): Likewise.
9960 * tree-inline.c (remap_type_1): Likewise.
9961 * convert.c (convert_to_pointer, convert_to_real,
9962 convert_to_integer, convert_to_complex): Likewise.
9964 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9966 * df-scan.c (df_def_record_1): A set destination may
9967 be a parallel regardless of mode.
9969 2006-02-08 Roger Sayle <roger@eyesopen.com>
9972 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9973 * config/mips/_tilib.c: Remove.
9974 * config/fixtfdi.c: New libgcc source file.
9975 * config/fixunstfdi.c: New source file.
9976 * config/floatditf.c: New source file.
9977 * config/floatunditf.c: New souce file.
9978 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9979 files above instead of config/mips/_tilib.c.
9980 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9982 2006-02-08 Jeff Law <law@redhat.com>
9984 PR tree-optimization/26169
9985 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9988 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9990 * df.h (DF_REG_SIZE): Return the length of the initialized
9993 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9995 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9996 __muldf3): Return a correctly signed zero.
9998 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10000 * passes.c (register_one_dump_file): Accept the current properties
10001 instead of pass number. Adjust call to dump_register. Remove
10003 (register_dump_files): Now a wrapper around...
10004 (register_dump_files_1): ... this one. Do not modify the pass
10006 (next_pass_1): Cosmetic fix.
10007 (execute_todo): Keep second parameter only. Use curr_properties
10008 instead of fetching it from the pass structure. Check and set
10010 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10011 instead of fetching it from the pass structure. Fix calls to
10012 execute_todo. Update curr_properties and initialize .vcg RTL dump
10013 after running the pass. Reset last_verified.
10014 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10016 (FIRST_AUTO_NUMBERED_DUMP): New.
10017 (dump_register): Remove "num" parameter, assign it within the
10019 (get_dump_file_name): Modify template for dumps.
10020 * tree-dump.h (dump_register): Adjust prototype.
10021 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10022 (PROP_trees): Add PROP_gimple_lomp.
10023 (TODO_set_props): New.
10024 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10025 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10026 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10028 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10030 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10031 (sparc64-*-linux*): Likewise.
10032 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10033 * config/sparc/t-linux: New file.
10034 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10035 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10036 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10037 -m32 -mlong-double-128.
10039 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10040 * config/alpha/t-linux: New file.
10041 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10043 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10044 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10045 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10046 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10047 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10048 (CPP_ARCH32_SPEC): Remove.
10050 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10052 PR tree-optimization/26145
10053 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10056 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10059 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10060 >= 240000 when generating code for SOM runtime.
10061 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10062 to $$dyncall when generating code for SOM runtime..
10064 2006-02-07 Dirk Mueller <dmueller@suse.com>
10067 * doc/invoke.texi (-Wsequence-point): Update documentation
10068 that -Wsequence-point is implemented for C++ as well.
10070 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10072 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10073 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10074 (LIB_SPEC): Likewise.
10075 * doc/invoke.texi (SPARC options): Document -pthread.
10077 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10079 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10082 2006-02-07 Roger Sayle <roger@eyesopen.com>
10084 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10085 Correct comment describing BOOLEAN_TYPE.
10087 2006-02-07 Dirk Mueller <dmueller@suse.com>
10089 * c.opt: C++ frontend supports -Wdiv-by-zero.
10090 * c-opts.c (c_common_handle_option): Remove dead case.
10092 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10094 * configure.ac (TLS assembler check): Do not enable TLS by
10095 default on SPARC/Solaris before version 10.
10096 * configure: Regenerate.
10098 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10100 * doc/invoke.texi (xl-compat): Document conversion and support
10103 2006-02-07 Jeff Law <law@redhat.com>
10105 * tree-vrp.c (find_conditional_asserts): Update comments.
10106 (simplify_stmt_for_jump_threading): New.
10107 (identify_jump_threads, finalize_jump_threads): New.
10108 (vrp_finalize): Call identify_jump_threads.
10109 (execute_vrp): Call finalize_jump_threads.
10110 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10111 (vrp_element, vrp_data, vrp_element_p): Remove.
10112 (vrp_hash_elt, vrp_variables_stack): Remove.
10113 (vrp_hash, vrp_eq, record_range): Remove.
10114 (simplify_cond_and_lookup_avail_expr): Remove.
10115 (extract_range_from_cond): Remove.
10116 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10117 (simplify_stmt_for_jump_threading): New.
10118 (dom_thread_across_edge): New wrapper.
10119 (tree_ssa_dominator_optimize): No longer initialize or
10120 finalize any of the VRP datastructures. Remove iteration
10121 step and simplify as a result of removal of iteration step.
10122 (pass_dominator): Perform a cfg cleanup after DOM.
10123 (dom_opt_finalize_block): Use the new common routines
10124 for threading jumps. Simplify stack management slightly.
10125 No longer need to unwind VRP state.
10126 (record_equivalences_from_incoming_edge): No longer record
10128 (eliminate_redundant_computations): No longer call
10129 simplify_cond_and_lookup_avail_expr.
10130 * tree-flow.h (potentially_threadable_block): Prototype.
10131 (thread_across_edge): Likewise.
10132 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10133 (tree-ssa-threadedge.o): Add dependencies.
10134 * tree-ssa-threadedge.c: New file.
10135 * passes.c (init_optimization_passes): Merge PHIs before
10136 calling VRP. Run VRP again late in the SSA optimization pipeline.
10138 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10140 * df-core.c (df_set_blocks): Do not dereference function pointers.
10141 (df_finish1): Likewise.
10142 (df_hybrid_search_forward): Likewise.
10143 (df_hybrid_search_backward): Likewise.
10144 (df_iterative_dataflow): Likewise.
10145 (df_analyze_problem): Likewise.
10146 (df_compact_blocks): Likewise.
10147 (df_dump): Likewise.
10148 * df-scan.c (df_rescan_blocks): Likewise.
10149 (df_record_entry_block_defs): Likewise.
10151 * genconditions.c (write_conditions): Guard the definition of
10152 'insn_conditions' with the check on GCC version.
10153 (write_writer): Guard the traversal 'insn_conditions' with
10154 the check on GCC version.
10156 2006-02-07 Richard Guenther <rguenther@suse.de>
10160 2006-01-30 Richard Guenther <rguenther@suse.de>
10162 * gimplify.c (gimplify_target_expr): Handle easy cases
10163 without creating a temporary.
10165 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10167 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10168 use of float in probability computations. Use edge probabilities
10169 in place of statically computed probabilities.
10170 (min_spec_prob): New static variable.
10171 (schedule_insns): Initialize it.
10172 (GET_SRC_PROB): Removed.
10173 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10175 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10178 * config/ia64/unwind-ia64.c: Revert last change.
10179 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10180 (INCOMING_FRAME_SP_OFFSET): Define.
10182 2006-02-06 Roger Sayle <roger@eyesopen.com>
10184 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10186 2006-02-07 Ben Elliston <bje@au.ibm.com>
10188 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10189 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10190 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10191 (ix86_return_in_memory): Handle TDmode.
10192 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10193 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10195 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10197 * reorg.c (dbr_schedule): Use dump_file instead of file.
10199 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10202 * config/ia64/predicates.md (extr_len_operand): New predicate.
10203 * config/ia64/ia64.md (extv): Tighten constraints.
10205 (*tbit_and_2): Ditto.
10206 (*tbit_and_3): Ditto.
10207 (*tbit_or_2): Ditto.
10208 (*tbit_or_3): Ditto.
10209 (*bit_zero): Ditto.
10212 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10215 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10217 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10219 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10220 loop_optimizer_init and loop_optimizer_finalize
10221 * tree-ssa-sink.c (execute_sink_code): Ditto.
10222 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10223 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10224 tree_ssa_loop_done): Ditto.
10225 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10226 * sched-ebb.c: Include output.h.
10227 (schedule_ebbs): Do not use dump argument.
10228 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10229 * loop.c (loop_dump_stream): Removed.
10230 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10232 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10233 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10234 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10235 loop_iterations, strength_reduce, record_biv, record_giv,
10236 final_giv_value, check_final_value, check_ext_dependent_givs,
10237 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10238 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10239 dump_file instead of loop_dump_stream.
10240 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10241 argument dump_file.
10242 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10244 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10245 * haifa-sched.c: Include output.h
10246 (schedule_insns, sched_init): Do not use dump argument.
10247 * mode-switching.c (optimize_mode_switching): Ditto.
10248 * modulo-sched.c (stats_file): Removed.
10249 (print_node_sched_params): Do not call argument dump_file.
10250 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10251 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10253 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10255 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10256 rtl_loop_init, rtl_loop_done): Ditto.
10257 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10258 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10260 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10261 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10262 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10263 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10264 * emit-rtl.c (renumber_insns): Ditto.
10265 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10266 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10267 * regclass.c (regclass): Ditto.
10268 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10269 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10270 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10271 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10273 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10274 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10276 * gcse.c (gcse_file, debug_stderr): Removed.
10277 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10278 rest_of_handle_gcse): Do not use dump argument.
10279 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10280 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10281 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10282 compute_code_hoist_vbeinout, compute_code_hoist_data,
10283 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10284 compute_store_table, build_store_vectors, insert_insn_start_bb,
10285 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10286 store_motion): Use dump_file instead of gcse_file.
10287 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10288 * profile.c (profile_dump_file): Removed.
10289 (branch_prob): Use dump_file instead of profile_dump_file.
10290 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10292 * tree-ssa-copy.c (dump_copy_of): Ditto.
10293 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10294 dump file to life_analysis.
10295 * bt-load.c (branch_target_load_optimize): Ditto.
10296 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10298 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10299 regclass, dbr_schedule): Declaration changed.
10300 * sched-int.h (sched_init): Declaration changed.
10301 * tree-profile.c (tree_profile_dump_file): Removed.
10302 (tree_profile_hooks): Removed profile_dump_file hook.
10303 * rtl-profile (rtl_profile_dump_file): Removed.
10304 (rtl_profile_hooks): emoved profile_dump_file hook.
10305 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10307 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10308 * tree-cfg.c (build_tree_cfg): Ditto.
10309 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10310 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10311 Declaration changed.
10312 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10313 life_analysis and schedule_insns.
10314 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10316 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10318 * config/mips/mips.c (mips_reorg): Ditto.
10319 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10322 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10324 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10325 (s390_mangle_fundamental_type): New.
10326 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10329 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10330 (alpha_mangle_fundamental_type): New.
10331 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10334 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10336 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10338 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10339 (sparc_mangle_fundamental_type): New.
10341 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10343 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10344 (s390x-*-linux*): Likewise.
10345 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10346 * config/s390/t-linux: New file.
10348 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10350 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10351 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10353 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10355 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10356 (ANTIC_SAFE_LOADS): New macro.
10357 (find_or_generate_expression): Add prototype.
10358 (set_contains_value): Allow null set for sake of not always having
10359 to allocate ANTIC_SAFE_LOADS.
10360 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10361 Allow COMPONENT_REF too.
10362 (valid_in_set): Allow COMPONENT_REF.
10363 Check ANTIC_SAFE_LOADS too.
10364 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10365 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10367 (can_PRE_operation): Add COMPONENT_REF.
10368 (create_component_ref_by_pieces): New function.
10369 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10370 (insert_aux): Move AGGREGATE_TYPE_P check here.
10371 (compute_avail): Set bb local stmt uids.
10372 (pass_pre): Use TODO_update_ssa_only_virtuals.
10374 2006-02-06 Ben Elliston <bje@au.ibm.com>
10376 * configure.ac: Unconditionally disable decimal float by default.
10377 * configure: Regenerate.
10379 2006-02-06 Ben Elliston <bje@au.ibm.com>
10381 * read-rtl.c (read_name): Terminate reading on EOF.
10383 2006-02-06 Ben Elliston <bje@au.ibm.com>
10385 * dfp.c (decimal_real_arithmetic): Change second argument type
10386 from int to enum tree_code. Do not always return true, but now
10387 return result of any call to decimal_do helper functions.
10388 * dfp.h (decimal_real_arithmetic): Update prototype.
10390 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10392 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10394 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10397 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10400 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10402 * tree-vrp.c (cfg_loops): Removed.
10403 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10404 Use current_loops instead of cfg_loops. Pass flags to
10405 loop_optimizer_init.
10406 * cfgloopmanip.c (fix_loop_structure): Update only available
10408 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10409 loop_optimizer_init.
10410 * modulo-sched.c (build_loops_structure): Removed.
10411 (sms_schedule): Use loop_optimizer_init.
10412 * loop-init.c (loop_optimizer_init): Use flags to determine
10413 which properties of loops to prepare.
10414 (rtl_loop_init): Pass flags to loop_optimizer_init.
10415 * tree-ssa-sink.c (execute_sink_code): Ditto.
10416 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10417 * tree-ssa-pre.c (init_pre): Ditto.
10418 * cfgloop.h (LOOPS_NORMAL): New.
10419 (loop_optimizer_init): Declaration changed.
10421 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10423 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10424 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10426 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10428 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10430 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10431 * pa/t-pa64: Delete quadlib.c rule.
10432 * pa/x-ada: Revert last change.
10433 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10435 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10437 PR rtl-optimization/26087
10438 * rtlanal.c (canonicalize_condition): Do not cross basic block
10441 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10444 * config/ia64/ia64.c: Include debug.h.
10445 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10446 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10447 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10448 (process_epilogue, process_set, process_for_unwind_directive):
10449 Output unwind info only if requested. Add CFA info if requested.
10450 Add new arguments as needed. Adjust callers.
10451 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10453 (DWARF2_FRAME_INFO): Define to zero.
10454 * config/ia64/unwind-ia64.c: Remove code that compensated for
10455 the CFA offset error fixed above.
10456 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10457 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10458 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10459 -funwind-tables and -fexceptions to enable frame info.
10460 (dwarf2out_frame_init): Define initial CFA even if
10461 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10462 DWARF2_UNWIND_INFO is nonzero, not just defined.
10463 (dwarf2out_frame_finish): Output non-EH call frame info only
10464 if DWARF2_FRAME_INFO is nonzero.
10465 (convert_cfa_to_loc_list,
10466 compute_frame_pointer_to_cfa_displacement): Define even if
10467 unwind info is not supported.
10468 (gen_subprogram_die): Use the above unconditionally. Remove
10469 legacy alternate code.
10470 * toplev.c (compile_file): Compile in call to
10471 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10472 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10474 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10475 Jakub Jelinek <jakub@redhat.com>
10477 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10478 IBM extended float format long double as "g" on powerpc*-linux.
10480 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10483 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10484 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10486 2006-02-03 Jason Merrill <jason@redhat.com>
10489 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10491 PR middle-end/25977
10492 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10493 on the return slot if it's an NRV.
10495 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10497 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10498 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10499 rewrite_use): Do not handle USE_OUTER.
10500 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10501 add_iv_outer_candidates, may_replace_final_value,
10502 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10503 (find_interesting_uses_op): Functionality of
10504 find_interesting_uses_outer_or_nonlin moved here.
10505 (find_interesting_uses_outside): Use find_interesting_uses_op.
10507 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10510 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10512 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10513 Ulrich Weigand <uweigand@de.ibm.com>
10516 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10517 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10518 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10519 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10521 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10522 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10523 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10524 Define secondary reloads for TFmode moves.
10525 (constant_modes): Add TFmode.
10526 (NR_C_MODES): Set to 8.
10527 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10529 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10530 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10531 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10532 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10533 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10534 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10535 (FPR mode macro): Add TFmode.
10536 (DSF mode macro): New.
10537 (<de>, <dee> mode attributes): Removed.
10538 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10539 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10540 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10541 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10542 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10543 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10544 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10545 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10546 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10547 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10548 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10549 "*negabs<mode>2", "sqrt<mode>2"):
10550 Changed <de> to <xde>. R constraint replaced by <Rf>.
10551 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10553 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10554 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10555 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10557 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10558 "extenddftf2", "extendsftf2"): New expanders.
10559 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10560 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10561 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10562 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10564 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10565 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10566 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10567 __floatditf): Add a GCC_4.1.0 symbol version tag.
10568 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10571 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10574 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10575 Use targetm.binds_local_p instead of TREE_PUBLIC.
10577 2006-02-02 Roger Sayle <roger@eyesopen.com>
10579 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10580 on INTEGER_TYPEs to indicate that it denotes a character type.
10581 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10582 signed_char_type_node, unsigned_char_type_node and char_type_node.
10583 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10584 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10585 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10587 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10588 Daniel Berlin <dberlin@dberlin.org>
10590 * tree-tailcall.c (arg_needs_copy_p): New function.
10591 (eliminate_tail_call): Use arg_needs_copy_p.
10592 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10593 (add_virtual_phis): New function.
10595 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10597 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10598 #ignore instead of #scratch for %g7 .register directive.
10600 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10602 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10605 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10607 * flow.c (calculate_global_regs_live): Assert that there aren't any
10610 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10612 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10613 what its name says.
10614 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10615 bsi_after_labels iterator.
10616 * tree-if-conv.c (find_phi_replacement_condition,
10617 replace_phi_with_cond_modify_expr): Likewise.
10618 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10619 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10621 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10623 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10625 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10628 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10629 array after growing it.
10631 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10633 PR middle-end/24901
10634 * fold-const.c (fold_checksum_tree): Change type of buf.
10636 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10638 * reload.c (push_secondary_reload): Initialize t_icode.
10640 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10642 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10643 -msoft-float -mlong-double-128 only issue a warning, but don't
10644 swich to DFmode long double.
10646 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10648 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10649 has a constant equivalent, iterate over equivalents for arg0,
10650 calling simplify_relational_operation and if there's a result
10651 cheaper than X, apply fold_rtx and return the result.
10653 2006-02-01 Jan Hubicka <jh@suse.cz>
10655 * opts.c (no_unit_at_a_time_default): New global variable.
10656 (decode_options): Use it.
10657 * opts.h (no_unit_at_a_time_default): Declare.
10659 2006-02-01 Paul Brook <paul@codesourcery.com>
10661 * function.c (assign_parm_setup_reg): Use function argument promotion
10663 * expr.c (expand_expr_real_1): Use function argument promotion rules
10666 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10668 * gcc.c (process_command): Change j to 'unsigned int'.
10670 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10672 PR middle-end/26001
10673 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10674 Use the corrected index for the character
10675 out of the string constant.
10677 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10679 * mode-switching.c (optimize_mode_switching): Fix size
10680 allocated for bb_info[n_entities].
10682 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10684 * gcc.c (main): Correct type that is allocated for
10685 explicit_link_files.
10687 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10689 * config/s390/s390.c (init_alignment_context): Set
10690 ALIAS_SET_MEMORY_BARRIER on the MEM.
10691 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10693 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10695 PR middle-end/25933
10696 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10698 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10701 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10703 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10704 * regrename.c: Ditto.
10705 * tree-ssa-loop-im.c: Ditto.
10706 * tree-dump.c: Ditto.
10707 * tree-complex.c: Ditto.
10708 * genrecog.c: Ditto.
10709 * tree-ssa-threadupdate.c: Ditto.
10711 * java/class.c: Ditto.
10712 * java/jcf-parse.c: Ditto.
10713 * java/resource.c: Ditto.
10714 * java/except.c: Ditto.
10715 * java/jvspec.c: Ditto.
10716 * java/jcf-write.c: Ditto.
10717 * java/jcf-path.c: Ditto.
10718 * java/gjavah.c: Ditto.
10719 * java/zextract.c: Ditto.
10720 * java/jcf-io.c: Ditto.
10721 * java/jcf.h: Ditto.
10722 * java/buffer.c: Ditto.
10723 * java/lang.c: Ditto.
10724 * java/parse-scan.y: Ditto.
10725 * java/lex.c: Ditto.
10726 * java/lex.h: Ditto.
10727 * cfgloopmanip.c: Ditto.
10728 * postreload-gcse.c: Ditto.
10729 * tree-ssa-loop-manip.c: Ditto.
10730 * postreload.c: Ditto.
10731 * tree-ssa-loop-ch.c: Ditto.
10734 * cppspec.c: Ditto.
10735 * diagnostic.c: Ditto.
10737 * genoutput.c: Ditto.
10739 * cfghooks.c: Ditto.
10740 * cfgloopanal.c: Ditto.
10741 * objc/objc-act.c: Ditto.
10743 * genextract.c: Ditto.
10744 * genautomata.c: Ditto.
10745 * pretty-print.c: Ditto.
10746 * genemit.c: Ditto.
10747 * cgraphunit.c: Ditto.
10749 * df-scan.c: Ditto.
10750 * haifa-sched.c: Ditto.
10751 * dominance.c: Ditto.
10753 * tree-ssa-loop-ivopts.c: Ditto.
10754 * df-core.c: Ditto.
10755 * mode-switching.c: Ditto.
10756 * modulo-sched.c: Ditto.
10758 * ipa-pure-const.c: Ditto.
10760 * fix-header.c: Ditto.
10762 * tree-stdarg.c: Ditto.
10763 * ipa-utils.c: Ditto.
10764 * loop-init.c: Ditto.
10765 * ipa-inline.c: Ditto.
10766 * cfganal.c: Ditto.
10768 * alloc-pool.c: Ditto.
10769 * dwarf2out.c: Ditto.
10771 * genattrtab.c: Ditto.
10772 * tree-ssa-loop-ivcanon.c: Ditto.
10773 * predict.c: Ditto.
10774 * timevar.c: Ditto.
10776 * fortran/gfortranspec.c: Ditto.
10777 * regmove.c: Ditto.
10778 * local-alloc.c: Ditto.
10779 * langhooks.c: Ditto.
10780 * function.c: Ditto.
10781 * tree-vectorizer.c: Ditto.
10783 * ipa-type-escape.c: Ditto.
10785 * tree-if-conv.c: Ditto.
10786 * profile.c: Ditto.
10788 * tree-data-ref.c: Ditto.
10789 * loop-unroll.c: Ditto.
10790 * treelang/treetree.c: Ditto.
10792 * bt-load.c: Ditto.
10793 * ggc-common.c: Ditto.
10795 * coverage.c: Ditto.
10797 * tree-cfgcleanup.c: Ditto.
10798 * tree-ssa-pre.c: Ditto.
10799 * cfgcleanup.c: Ditto.
10800 * loop-invariant.c: Ditto.
10801 * loop-iv.c: Ditto.
10802 * ipa-prop.c: Ditto.
10803 * print-tree.c: Ditto.
10804 * conflict.c: Ditto.
10805 * ggc-page.c: Ditto.
10806 * sched-deps.c: Ditto.
10807 * regclass.c: Ditto.
10808 * tree-object-size.c: Ditto.
10809 * combine.c: Ditto.
10810 * bb-reorder.c: Ditto.
10811 * resource.c: Ditto.
10812 * var-tracking.c: Ditto.
10813 * cfgloop.c: Ditto.
10814 * df-problems.c: Ditto.
10815 * reg-stack.c: Ditto.
10817 * gccspec.c: Ditto.
10818 * sched-rgn.c: Ditto.
10819 * tree-ssa-structalias.c: Ditto.
10820 * tree-ssa-reassoc.c: Ditto.
10821 * config/darwin-c.c: Ditto.
10822 * config/darwin.c: Ditto.
10823 * config/arm/arm.c: Ditto.
10825 * collect2.c: Ditto.
10826 * reload1.c: Ditto.
10828 2006-01-31 Nicolas Pitre <nico@cam.org>
10830 * arm.md (smaxsi3): Make aware of smax_m1.
10833 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10835 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10837 2006-01-31 Richard Guenther <rguenther@suse.de>
10839 * doc/invoke.texi (-msselibm): Document.
10840 * target.h (expand_library_builtin): New target hook.
10841 * builtins.c (expand_builtin): Use expand_library_builtin.
10842 (default_expand_library_builtin): New function.
10843 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10844 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10845 (link_gcc_math_spec): Declare.
10846 (static_specs): Add link_gcc_math_spec.
10847 * expr.h (default_expand_library_builtin): Declare.
10848 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10849 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10850 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10851 * config/i386/i386.opt (msselibm): New target option.
10852 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10853 (ix86_init_sse_abi_builtins): New function.
10854 (ix86_expand_library_builtin): Likewise.
10855 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10856 (override_options): Handle error conditions wrt -msselibm.
10857 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10858 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10859 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10862 2006-01-31 Richard Guenther <rguenther@suse.de>
10863 Paolo Bonzini <bonzini@gnu.org>
10865 * doc/install.texi (--disable-libgcc-math): Document.
10867 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10869 * expr.h (expand_normal): new inline function.
10870 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10871 * dojump.c: use it.
10872 * dwarf2out.c: use it.
10875 * expmed.c: use it.
10876 * except.c: use it.
10877 * config/sparc/sparc.c: use it.
10878 * config/i386/i386.c: use it.
10879 * config/rs6000/rs6000.c: use it.
10880 * config/arm/arm.c: use it.
10881 * config/mips/mips.c: use it.
10882 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10884 2006-01-30 Roger Sayle <roger@eyesopen.com>
10886 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10887 argv to the appropriate type.
10889 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10891 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10894 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10897 * config/s390/s390.c (struct machine_function): New flag
10898 decomposed_literal_pool_addresses_ok_p.
10899 (s390_reorg): Set it before final stage of literal pool transforms.
10900 (s390_decompose_address): Only accept displacements of the form
10901 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10903 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10905 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10906 the comparison routine return.
10908 2006-01-30 Michael Matz <matz@suse.de>
10910 * global.c (find_reg): Only evict for global regs.
10911 Take n_refs into account and dump more info.
10913 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10916 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10917 (pragma_trap, pragma_nosave_low_regs): Likewise.
10918 (current_function_anonymous_args): Likewise.
10919 (sh_deferred_function_attributes): New variable.
10920 (sh_deferred_function_attributes_tail): Likewise.
10921 (print_operand): For '@', look up trap_exit attribute.
10922 (calc_live_regs): Look up trapa_handler attribute. For trapa
10923 handlers, save/restore fpscr, but don't do any other
10924 interrupt-specific saves.
10925 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10926 Fix check for partially saved registers to check for SHmedia.
10927 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10928 (sh_output_function_epilogue): Don't clear any of the removed
10930 (sh_insert_attributes): Don't check pragma_interrupt.
10931 Insert deferred attributes. Check that interrupt attribute is
10932 present for other attributes that require its presence.
10933 (sh_attribute_table): Add new attributes trapa_handler and
10935 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10936 Don't check for pragma_interrupt. Don't store argument.
10937 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10938 (sh_deferred_function_attributes): Declare.
10939 (sh_deferred_function_attributes_tail): Likewise.
10940 * sh.md (sp_switch_1): Add operand. Change generator caller.
10941 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10942 (*return_i): Don't use when trap_exit attribute is in effect.
10943 (*return_trapa): New insn pattern.
10944 * sh-c.c: New file.
10945 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10946 setting c_target_objs and cxx_target_objs.
10947 * t-sh: Add rule for sh-c.o.
10949 2006-01-30 Richard Guenther <rguenther@suse.de>
10952 * gimplify.c (gimplify_target_expr): Handle easy cases
10953 without creating a temporary.
10955 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10957 * vec.h (safe_grow): Remove duplicated line.
10959 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10962 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10963 (expand_omp): ... here.
10964 (expand_omp_parallel): Only remove barriers for combined
10965 parallel+workshare constructs.
10967 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10971 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10972 * tree.c (build_qualified_type): Chain the new type to the original
10973 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10974 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10975 (build_pointer_type_for_mode): Only return unqualified types.
10976 (build_reference_type_for_mode): Likewise.
10978 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10980 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10981 * Makefile.in (CXX_COMPAT_WARN): Define.
10982 * configure: Regenerate.
10984 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10987 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10990 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10992 * toplev.c: Fix thinko.
10994 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10995 Marcin Dalecki <martin@dalecki.de>
10997 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10998 (push_srcloc): Use XNEW.
10999 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11001 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11003 * df-core.c (df_set_blocks): Deleted all variable.
11005 2006-01-28 Ian Lance Taylor <ian@airs.com>
11007 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11008 cgraph_output_pending_asms.
11010 2006-01-28 Zack Weinberg <zackw@panix.com>
11012 * c.opt: Add -W(no-)overlength-strings.
11013 * doc/invoke.texi: Document it.
11014 * c-opts.c (c_common_handle_option): -pedantic implies
11015 -Woverlength-strings, if not explicitly disabled already.
11016 (c_common_post_options): -Woverlength-strings defaults to off, and
11017 is always off for C++.
11018 * c-common.c (fix_string_type): Issue warning about strings longer
11019 than is portable only if warn_overlength_strings. Rearrange code
11020 a little for clarity.
11021 * configure.in: Check for -Wno-overlength-strings as well before
11022 enabling -pedantic in stage 1.
11023 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11024 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11026 * genconditions.c (write_header, write_one_condition)
11027 (write_conditions, write_writer): Consolidate very long strings
11028 that were broken up to fit in C89 portable limit. Don't use
11029 printf when fputs will do.
11031 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11033 * combine.c (simplify_comparison <AND>): Check
11034 TRULY_NOOP_TRUNCATION before start using a subreg.
11036 * config/mips/mips.md (*branch_zero<mode>,
11037 *branch_zero<mode>_inverted, *branch_equality<mode>,
11038 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11039 Remove mode check from comparisons.
11041 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11043 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11045 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11047 * expmed.c (const_mult_add_overflow_p): Remove.
11048 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11050 * recog.c (validate_replace_rtx_subexp): Remove.
11051 * recog.h: Remove the prototype for
11052 validate_replace_rtx_subexp.
11054 * integrate.h: Remove the prototype for
11055 copy_decl_for_inlining.
11056 * rtl.h: Remove the prototype for mark_constant_function.
11057 * tree-vectorizer.h: Remove the prototype for
11058 vect_strip_conversion.
11060 * modulo-sched.c (create_partial_schedule,
11061 free_partial_schedule, reset_partial_schedule): Make them
11064 * hooks.c (hook_bool_rtx_int_false): Remove.
11065 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11067 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11069 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11070 and -mlong-double-128 are incompatible.
11071 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11072 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11073 (TARGET_LIBGCC2_CFLAGS): Define.
11074 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11075 (TARGET_LIBGCC2_CFLAGS): Same.
11076 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11078 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11081 * c-typeck.c (build_binary_op): Perform implicit casts of
11082 operands before shortening them.
11084 * cfgloopmanip.c (split_loop_bb): Remove.
11085 * cfgloop.h: Remove the prototype for split_loop_bb.
11087 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11088 * cfgloop.h: Remove the prototype for
11089 flow_loop_outside_edge_p.
11091 * emit-rtl.c (init_virtual_regs): Make it static.
11092 * function.h: Remove the prototype for init_virtual_regs.
11094 * recog.c (peephole2_optimize): Make it static.
11095 * recog.h: Remove the prototype for peephole2_optimize.
11097 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11099 * df-scan.c (df_record_entry_block_defs): Check if
11100 INCOMING_RETURN_ADDR_RTX is defined.
11102 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11103 Kenneth Zadeck <zadeck@naturalbridge.com>
11105 PR rtl-optimization/24762
11106 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11107 * targhooks.c (hook_void_bitmap): New hook prototype.
11108 * targhoohs.h (hook_void_bitmap): Ditto.
11109 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11110 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11111 * target.h (live_on_entry): New function pointer.
11112 * df-scan.c (df_all_hard_regs): Removed.
11113 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11114 (df_scan_free_internal): Added df->entry_block_defs.
11115 (df_scan_alloc): Ditto.
11116 (df_scan_dump): Ditto.
11117 (df_uses_record): Plumbed flag field properly thru calls.
11118 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11119 This part fixes PR24762.
11120 (df_bb_refs_record): Added code to make the frame and arg
11121 pointers live in EH blocks.
11122 (df_refs_record): Added call to df_record_entry_block_defs.
11123 (df_record_entry_block_defs): New function.
11124 * df-core.c: Added comments to describe new artifical defs.
11125 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11126 (entry_block_defs): New field in struct df.
11127 (df_all_hard_regs): Deleted.
11128 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11129 * df-problems.c (df_ru_bb_local_compute_process_def):
11130 Added code to handle artifical defs in the entry to a function.
11131 (df_ru_bb_local_compute): Ditto.
11132 (df_rd_bb_local_compute_process_def): Ditto.
11133 (df_rd_bb_local_compute): Ditto.
11134 (df_lr_bb_local_compute): Ditto.
11135 (df_ur_bb_local_compute): Ditto.
11136 (df_urec_bb_local_compute): Ditto.
11137 (df_chain_create_bb): Ditto.
11138 (df_ur_local_finalize): Removed entry.
11139 (df_urec_init): Ditto.
11140 (df_urec_local_finalize): Ditto.
11141 (df_ri_bb_compute): Added detection of last use of pseudos.
11142 * Makefile.in (df-scan.o): Updated dependencies.
11143 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11144 * config/mips/mips.c (mips_set_live_on_entry): Added.
11145 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11147 * dce.c (marked_insn_p): Added code to handle artifical defs.
11149 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11151 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11153 (_mm_cvtsi128_si64): Likewise.
11154 (_mm_cvtsd_si64): Likewise.
11155 (_mm_cvttsd_si64): Likewise.
11156 (_mm_cvtsi64_sd): Likewise.
11157 (_mm_cvtsi64_si128): Likewise.
11158 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11159 (_mm_cvtsi64_m64): Likewise.
11160 (_m_to_int64): Likewise.
11161 (_mm_cvtm64_si64): Likewise.
11162 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11163 (_mm_cvttss_si64): Likewise.
11164 (_mm_cvtsi64_ss): Likewise.
11165 (_mm_cvtss_f32): Likewise.
11167 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11169 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11170 for pragma redefine_extname.
11172 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11175 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11176 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11177 -mno-minimal-toc to previous content.
11178 (bispecs): Remove goal.
11179 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11180 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11181 compatibility aliases on powerpc-*-*gnu*.
11182 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11183 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11184 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11185 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11186 (ldblspecs): New goal.
11187 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11188 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11190 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11191 L_sf_to_tf or L_df_to_tf is defined.
11193 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11194 Alan Modra <amodra@bigpond.net.au>
11197 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11198 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11199 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11200 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11201 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11202 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11203 (rs6000_override_options): Initialize rs6000_ieeequad.
11204 Initialize TFmode format to ibm_extended_format if not
11206 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11208 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11209 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11210 (function_arg_advance): IBM long double passed in two FPRs, not
11212 (function_arg): IBM long double passed in FPRs.
11213 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11214 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11215 Only multireg GPR aligned.
11216 (rs6000_init_libfuncs): Enable IBM long double functions if not
11218 (rs6000_generate_compare): Use IBM long double compare if not
11220 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11221 (TARGET_IEEEQUAD): Define.
11222 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11223 not TARGET_IEEEQUAD.
11224 * config/rs6000/rs6000.md: Enable TFmode patterns if
11226 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11227 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11228 and -mlong-double-128 are incompatible.
11229 * doc/invoke.texi (-mabi): Collect options together. Add
11230 ibmlongdouble and ieeelongdouble.
11232 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11234 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11236 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11237 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11238 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11239 * rtl.h (rtunion_def): Remove rt_ptr.
11241 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11242 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11243 * config/i386/winnt.c (i386_pe_mark_dllexport)
11244 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11246 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11248 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11250 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11254 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11255 pthread_key_delete. From John David Anglin. gthrw-ify
11256 pthread_getunique_np only if it it's not a macro. Delete
11258 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11259 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11260 __gthread_objc_condition_signal, __gthread_key_delete): Add
11261 "__attribute__ ((__unused__))" to unused arguments.
11262 (__gthread_recursive_mutex_init_function): Add missing return.
11263 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11264 gthr-posix95.h: Use macro-based approach for name redirection
11265 on targets missing weakref.
11267 2006-01-26 Zack Weinberg <zackw@panix.com>
11269 * genconditions.c (write_header): In generated code, #ifdef out
11270 all includes and fake declarations, except includes of bconfig.h
11271 and system.h, unless GCC_VERSION >= 3001. Do not include
11272 gensupport.h in any case.
11273 (write_conditions): Generate a definition of struct c_test. Add
11274 a comment to the generated #endif.
11275 (write_one_condition): Escape backslashes in string too.
11276 (write_writer): Generated code must escape backslashes and quote
11277 marks (but not newlines) in the strings it writes.
11278 * Makefile.in (build/gencondmd.o): Update dependencies.
11280 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11283 * Makefile.in (insn-automata.o): Add header file dependencies.
11284 * genautomata.c: Add includes.
11286 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11289 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11291 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11293 * configure.ac: Expect target tools paths to be passed from the toplevel
11294 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11296 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11298 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11301 * c.opt (Wpointer-sign): Init to -1.
11302 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11303 OPT_pedantic, to 0 otherwise.
11304 * doc/invoke.texi: Update.
11306 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11308 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11309 constants provided by 80387 instructions in the destination mode.
11311 2006-01-26 Richard Guenther <rguenther@suse.de>
11312 Andrew Pinski <pinskia@physics.uc.edu>
11315 partial PR tree-opt/17064
11316 * tree-ssa-structalias.c (intra_create_variable_infos):
11317 Create heap variables for incoming parameters if
11318 flag_argument_noalias > 1.
11319 (find_what_p_points_to): Look through default defs of
11322 2006-01-26 Jeff Law <law@redhat.com>
11325 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11326 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11327 within the VR_RANGE, use the VR_RANGE as the result, not the
11329 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11330 bounds for the type.
11332 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11334 * tree-ssa-alias.c (maybe_create_global_var): Change
11335 subvar walking to an assertion that we don't have subvar'd variables.
11337 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11340 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11341 Use a new variable, inner. PARM_DECLs are always non-weak.
11343 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11345 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11346 --disable-checking.
11348 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11350 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11352 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11354 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11355 (smax_insn, smin_insn, smax_0, smin_0): New.
11357 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11360 * config/cris/cris.c (cris_order_for_addsi3): New function.
11361 * config/cris/cris-protos.h: Prototype it.
11362 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11363 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11364 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11365 (split for "op.S1 [rx=rx+i],ry (swapped)")
11366 (split for "op(s|u).S1 [rx=rx+i],ry")
11367 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11368 Apply cris_order_for_addsi3 when generating addsi3 insns.
11370 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11372 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11373 (TREE_BLOCK): Add call to EXPR_CHECK.
11375 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11378 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11379 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11380 (dump_omp_clauses): ... here.
11381 (dump_generic_node): Handle OMP_CLAUSE.
11382 * tree.c (omp_clause_num_ops): New.
11383 (omp_clause_code_name): New.
11384 (tree_code_size): Handle OMP_CLAUSE.
11385 (tree_size): Likewise.
11386 (make_node): Document handling of OMP_CLAUSE.
11387 (tree_node_structure): Handle OMP_CLAUSE.
11388 (omp_clause_check_failed): New.
11389 (omp_clause_range_check_failed): New.
11390 (omp_clause_operand_check_failed): New.
11391 (build_omp_clause): New.
11392 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11393 * tree.h (enum omp_clause_code): Declare.
11394 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11395 (OMP_CLAUSE_RANGE_CHECK): Define.
11396 (OMP_CLAUSE_ELT_CHECK): Define.
11397 (omp_clause_check_failed): Declare.
11398 (omp_clause_operand_check_failed): Declare.
11399 (omp_clause_range_check_failed): Declare.
11400 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11401 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11402 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11403 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11404 (OMP_CLAUSE_IF_EXPR): Likewise.
11405 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11406 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11407 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11408 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11409 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11410 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11411 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11412 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11413 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11414 (OMP_CLAUSE_CODE): Define.
11415 (OMP_CLAUSE_SET_CODE): Define.
11416 (OMP_CLAUSE_CODE): Define.
11417 (OMP_CLAUSE_OPERAND): Define.
11418 (struct tree_omp_clause): Declare.
11419 (union tree_node): Add field 'omp_clause'.
11420 * treestruct.def (TS_OMP_CLAUSE): Define.
11421 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11422 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11423 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11424 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11425 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11426 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11427 (OMP_CLAUSE): Define.
11428 * print-tree.c (print_node): Handle OMP_CLAUSE.
11429 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11430 * c-typeck.c: Likewise.
11431 * gimplify.c: Likewise.
11432 * c-omp.c: Likewise.
11433 * tree-nested.c: Likewise.
11434 * tree-inline.c: Likewise.
11435 * c-parser.c: Likewise.
11436 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11439 2006-01-25 Roger Sayle <roger@eyesopen.com>
11441 PR rtl-optimization/25703
11442 * combine.c (try_combine): Handle zero_extract and strict_low_part
11443 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11445 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11447 * global.c: Fix comment typos.
11449 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11452 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11453 Use output_addr_const instead of assemble_name.
11455 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11457 * Makefile.in (sched-vis.o): Update dependencies.
11458 * haifa-sched.c (sched_finish): Clear current_sched_info.
11459 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11460 (dump_flow_info): Call it.
11461 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11463 * basic-block.h (dump_bb_info): Declare.
11464 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11465 option, and apply options only for dump files whose TDF_RTL,
11466 TDF_TREE, or TDF_IPA bits match.
11467 * rtl.h: Declare new functions exported from sched-vis.c.
11468 * sched-vis.c: Enable also if scheduling is not used.
11469 (print_value): Print the mode of registers if not inside scheduling.
11470 (print_insn): Make it work outside the scheduler. Beautify the output
11472 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11474 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11476 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11477 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11478 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11479 depending on the value of CONSTANT_POOL_ADDRESS_P.
11480 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11482 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11483 rather than SYMBOL_REF_DECL.
11484 (rtx_constant_pool): Remove const_rtx_sym_htab.
11485 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11486 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11487 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11488 Remove handling of const_rtx_sym_htab.
11489 (find_pool_constant): Delete.
11490 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11491 rather than find_pool_constant.
11492 (get_pool_constant_for_function): Delete.
11493 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11494 find_pool_constant.
11495 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11496 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11497 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11498 (SYMBOL_REF_CONSTANT): New macro.
11499 (get_pool_constant_for_function): Delete.
11500 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11501 rather than SYMBOL_REF_DECL.
11502 (i386_pe_mark_dllimport): Likewise.
11503 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11504 rather than SYMBOL_REF_DECL.
11505 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11506 (machopic_indirect_call_target): Likewise.
11508 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11510 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11512 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11514 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11516 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11518 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11520 2006-01-24 David Daney <ddaney@avtrex.com>
11523 * configure.ac (enable_tls): New enable option.
11524 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11525 * configure: Regenerate.
11526 * doc/install.texi (--enable-tls): Document new option.
11527 (--disable-tls): Ditto.
11529 2006-01-24 Richard Henderson <rth@redehat.com>
11531 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11532 * alias.c (true_dependence): Respect it.
11533 (canon_true_dependence, write_dependence_p): Likewise.
11534 * builtins.c (get_builtin_sync_mem): Set it.
11536 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11538 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11541 2006-01-24 DJ Delorie <dj@redhat.com>
11543 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11544 for storing constants in single-bit bitfields.
11546 2006-01-25 Ben Elliston <bje@au.ibm.com>
11548 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11550 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11553 * tree-ssa-pre.c (phi_translate): Return NULL
11554 for AGGREGATE_TYPE's.
11556 2006-01-24 Zack Weinberg <zackw@panix.com>
11558 * genautomata.c (process_state_for_insn_equiv_partition):
11559 Use xcalloc for insn_arcs_array.
11560 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11561 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11563 2006-01-24 Richard Henderson <rth@redhat.com>
11565 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11566 update all callers.
11568 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11570 PR rtl-optimization/25890
11571 PR rtl-optimization/25905
11572 * combine.c (expand_compound_operation, expand_field_assignment):
11573 Fail if the bitfield's final position is out of bounds.
11575 2006-01-24 Ian Lance Taylor <ian@airs.com>
11577 PR middle-end/25930
11578 * cgraphunit.c (cgraph_output_in_order): Don't clear
11579 cgraph_asm_nodes until after asm strings have been output.
11581 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11583 * fix-header.c (read_scan_file): Add new parameter imultilib when
11584 calling register_include_chains.
11586 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11588 * omp-low.c: Update documentation.
11590 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11591 Daniel Berlin <dberlin@dberlin.org>
11595 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11596 return from the function.
11598 2006-01-22 Zack Weinberg <zackw@panix.com>
11600 * rtl.def (match_code): Add second argument.
11601 * genpreds.c (write_extract_subexp): New function.
11602 (write_match_code): Add path argument. Use write_extract_subexp.
11603 (write_predicate_expr): Pass path to write_match_code.
11604 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11605 not perform a mode test.
11606 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11607 a subexpression does not constrain the top-level code set.
11608 * read-rtl.c (read_rtx_variadic): New function.
11609 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11610 * doc/md.texi: Document new notation.
11611 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11612 (cmpsi_operand): ... here, using new notation.
11614 2006-01-22 Zack Weinberg <zackw@panix.com>
11616 * varray.c: Remove GENERATOR_FILE #ifdefs.
11618 2006-01-22 Zack Weinberg <zackw@panix.com>
11620 * genautomata.c (output_reserved_units_table): Emit nothing if
11621 description->query_units_num is zero. Remove extra blank line.
11622 (output_cpu_unit_reservation_p): Short circuit
11623 if description->query_units_num is zero.
11625 2006-01-22 Zack Weinberg <zackw@panix.com>
11627 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11628 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11629 nor any of the random handful of variables that used to be necessary
11630 when this program was linked with rtlanal.o. Prune set of forward
11631 function declarations.
11632 (struct attr_desc): Remove static_p field.
11633 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11634 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11635 (attr_string): Do not read the character one past the length of
11637 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11638 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11639 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11640 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11641 (make_automaton_attrs): New.
11642 (main): Do not call into genautomata. Call local gen_bypass
11643 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11644 Remove special case for insn_alts.
11645 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11646 varray.h (leftover from previous change). Prune set of forward
11647 function declarations. Remove state_alts fields from all
11648 structures. Remove state_alts_table from struct automaton.
11649 Make everything except main static. Do not maintain num_dfa_decls.
11650 Do not maintain state_alts fields of various structures.
11651 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11652 (add_arc): Remove state_alts argument. All callers updated.
11653 (output_reserved_units_table): Emit #ifdef here...
11654 (output_tables): ...not here. Don't generate state_alts tables.
11655 (expand_automata): Don't generate attributes.
11656 (write_automata): Don't generate state_alts functions.
11657 (main): New function.
11658 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11659 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11660 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11661 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11662 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11663 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11664 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11665 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11667 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11668 * genattrtab.h: Delete file.
11669 * Makefile.in (OBJS-common): Add insn-automata.o.
11670 (insn-automata.o): New rule.
11671 (simple_generated_c): Add insn-automata.c.
11672 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11673 (genprogmd): Add automata.
11674 (build/genattrtab): Needs no extra objects nor libraries.
11675 (build/genautomata): Needs build/vec.o and -lm.
11677 2006-01-22 Zack Weinberg <zackw@panix.com>
11679 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11680 (output_dfa_max_issue_rate, locked_states_num): Delete.
11681 (struct automaton): Add locked_states field.
11682 (output_dead_lock_vect): Save number of locked states in
11683 automaton->locked_states. If it is zero, don't print anything.
11684 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11685 (output_internal_dead_lock_func): Only test the dead_lock_vect
11686 for automata that have locked states.
11687 (output_statistics): Always print the number of locked states for
11688 each automaton. Calculate total number of locked states here.
11689 (write_automata): Don't call output_dfa_max_issue_rate.
11690 * genattrtab.c: Define length_unit_log as a const variable.
11691 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11692 max_insn_queue_index const.
11693 * final.c (length_unit_log): Declare const.
11694 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11696 2006-01-22 Zack Weinberg <zackw@panix.com>
11698 * genautomata.c: Include vec.h, not varray.h.
11699 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11700 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11701 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11702 VEC_* macros operating on appropriately typed vectors, or to
11703 malloced arrays when the size is known in advance. Const-ify
11704 many char* variables and function arguments. No functional changes.
11705 * Makefile.in (build/varray.o): Delete rule.
11706 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11707 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11709 2006-01-22 Zack Weinberg <zackw@panix.com>
11711 * gensupport.c: Define get_insn_name and record_insn_name here.
11712 (read_md_rtx): Call record_insn_name as appropriate.
11713 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11714 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11715 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11717 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11718 (BUILD_VARRAY): Delete.
11719 (genprognormal): Rename genprogmd. Fold in all programs from
11720 genprognoprint; also attrtab.
11721 (build/genattrtab): Just mention genautomata.o and varray.o.
11722 Reorganize a bit, add comments to make the categories clearer.
11724 2006-01-22 Zack Weinberg <zackw@panix.com>
11726 * genconditions.c (condition_table, add_condition): Delete.
11727 (write_conditions): Don't emit n_insn_conditions nor
11728 insn_elision_unavailable. Issue the gcc version #ifdef here,
11729 inside the table, with no #else clause ...
11730 (write_header): ...not here.
11731 (write_writer): New function.
11732 (main): Don't initialize condition_table. Use add_c_test.
11734 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11735 files on the command line.
11736 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11737 Return -1 if there is no entry in the table, don't abort.
11738 (add_c_test, traverse_c_tests): New functions.
11739 * gensupport.h (insn_elision_unavailable, insn_conditions)
11740 (n_insn_conditions): Delete declarations.
11741 (add_c_test, traverse_c_tests): Declare.
11742 * read-rtl.c: Include gensupport.h.
11743 (read_conditions): New function.
11744 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11745 (read_rtx_1): If we get EOF when we were looking for an initial
11746 open paren, return 0. Call read_conditions when appropriate.
11747 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11748 dummy-conditions.o. Eliminate references to insn-conditions.o,
11749 or change them to build/gencondmd.o, as appropriate. Remove
11750 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11751 from $(simple_generated_c). For all files remaining in those
11752 two lists, add insn-conditions.md to the generator command line.
11753 Give insn-constants.h/s-constants their own rules. Add rules
11754 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11755 (build/read-rtl.o): Depend on gensupport.h.
11756 (genprognormal): Include preds.
11757 (genprogearly): Rename genprognoprint; only difference is now that
11758 they don't link with $(BUILD_PRINT).
11759 * dummy-conditions.c: Delete.
11761 2006-01-22 Zack Weinberg <zackw@panix.com>
11763 * genextract.c: Don't include insn-config.h. Do include vec.h.
11764 Declare vectors of int, char, and locstr.
11765 (locstr): New typedef.
11766 (struct extraction): Make all array fields into bare pointers.
11767 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11768 (insn_code_number): Delete.
11769 (accum_extract): New struct.
11770 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11771 (gen_insn): Take insn_code_number as an argument. Use an
11772 accum_extract structure instead of loading data directly into
11773 a struct extraction, and having to know how big it might get.
11774 (walk_rtx): Operate entirely on an accum_extract structure.
11775 (print_path): Avoid unnecessary use of printf.
11776 (print_header): New function, split out of main. Distinguish
11777 more carefully between an unrecognizable insn and an insn that
11778 has the code number of a define_expand.
11779 (main): Pass insn_code_number to gen_insn. Call print_header
11780 only after parsing. Avoid unnecessary use of printf.
11781 * Makefile.in (build/vec.o): New rule.
11782 (build/genextract): Depend on build/vec.o.
11783 (build/genextract.o): Don't depend on insn-config.h.
11785 2006-01-22 Zack Weinberg <zackw@panix.com>
11787 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11788 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11789 practical. Eliminate per-generator-program link rules.
11791 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11793 PR middle-end/24437
11794 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11795 with a call expr to ...
11796 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11798 2006-01-23 Richard Guenther <rguenther@suse.de>
11800 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11801 before make_edge with conditional EDGE_TRUE_VALUE.
11803 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11804 Jan Hubicka <jh@suse.cz>
11805 Richard Guenther <rguenther@suse.de>
11807 PR rtl-optimization/25654
11808 * cfgexpand.c (aggregate_contains_union_type): New function.
11809 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11810 for structure variables that contain a union type.
11812 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11814 * gengtype.c (new_structure): Return the structure.
11815 (create_option): Add an extra "next" argument.
11816 (create_field): New function.
11817 (adjust_field_rtx_def): Use create_option and create_field.
11818 Remove a now-unnecessary call to find_structure.
11819 (adjust_field_tree_def): Likewise.
11820 (note_yacc_type): Remove an unnecessary call to find_structure.
11821 * gengtype.h (new_structure): Return the structure.
11822 (create_option): Add an extra argument.
11823 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11824 (option): Adjust calls to create_option.
11826 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11828 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11830 2006-01-22 Paul Brook <paul@codesourcery.com>
11831 Peter Barada <peter@the-baradas.com>
11833 * config/m68k/m68k.md: Add Coldfire FPU support.
11834 Define FP mode macro and associated attributes.
11835 Use it for float mode patterns.
11836 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11837 (LIBCALL_VALUE): Use m68k_libcall_value.
11838 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11839 (m68k_function_value): Ditto.
11840 (emit_move_sequence): Ditto.
11841 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11842 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11843 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11844 (MULTILIB_EXCEPTIONS): Ditto.
11845 * config/m68k/m68k.opt: Add mcfv4e.
11846 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11847 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11848 (m68k_output_function_prologue): Save ColdFire FPU registers.
11849 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11850 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11851 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11852 ColdFire FPU registers.
11853 (m68k_libcall_value, m68k_function_value): New functions.
11854 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11855 (LIBCALL_VALUE): Use m68k_libcall_value.
11856 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11857 (MASK_COLDFIRE): Add MASK_CFV4E.
11858 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11859 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11860 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11861 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11862 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11863 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11864 * doc/invoke.tex: Document -mcfv4e on m68k.
11866 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11868 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11871 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11874 * c-opts.c (c_common_handle_option): Don't include
11875 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11876 * doc/invoke.texi (C++ Dialect Options): Document that
11877 -Wnon-virtual-dtor is no longer included in -Wall.
11879 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11881 * gcov.c (print_version), gcov-dump.c (print_version),
11882 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11885 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11887 * df-scan.c (problem_SCAN): Added NULL reset function.
11888 (df_scan_reset_blocks): Added code to call reset block function
11889 (df_bb_refs_delete) Fixed comment.
11890 (df_insn_refs_delete): Made tolerant of deleting non existent info
11891 for dataflow problems that need to be reset.
11892 * df-core.c (df_set_blocks): Ditto.
11893 * df.h (struct df_problem): Added reset_fun.
11894 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11895 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11896 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11897 functions to clear out all references to def-use or use-def chains.
11899 2006-01-21 Ben Elliston <bje@au.ibm.com>
11901 * varasm.c (assemble_real): Initialise data array.
11903 2006-01-20 Paul Brook <paul@codesourcery.com>
11905 Merge from csl-arm-branch.
11906 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11907 * config/arm/arm.md (movdi): Force operands[1] to a register
11908 if we have a non-register source.
11909 (*arm_movdi, *movdf_soft_insn): Require that one of the
11910 operands be a register.
11911 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11912 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11914 2006-01-20 DJ Delorie <dj@redhat.com>
11916 * varasm.c (initializer_constant_valid_p): Allow pointers
11917 initialized from integer constants of lesser precision.
11918 (output_constant): Allow non-int-sized pointer modes to be
11919 initialized from integer constants.
11921 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11924 * cppdefault.h (struct default_include): Add multilib flag.
11925 * cppdefault.c (cpp_include_defaults): Set it.
11926 * c.opt (-imultilib): New option.
11927 * c-opts.c (imultilib): New.
11928 (c_common_handle_option): Handle -imultilib.
11929 (c_common_post_options): Likewise.
11930 * c-incpath.c (add_standard_paths, register_include_chains):
11932 * c-incpath.h (register_include_chains): Add extra parameter.
11933 * gcc.c (do_spec_1): Generate -imultilib option.
11934 (The Specs Language): Update %I description.
11935 (process_command): Update copyright notice.
11936 * doc/cppopts.texi (-imultilib): Document.
11937 * doc/invoke.texi (-imultilib): Include in option summary.
11938 (%I): Update specs documentation.
11940 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11942 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11944 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11946 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11949 2006-01-20 Richard Guenther <rguenther@suse.de>
11950 Steven Bosscher <stevenb.gcc@gmail.com>
11952 PR rtl-optimization/24626
11953 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11954 EDGE_TRUE_VALUE if in RTL mode.
11957 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11958 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11960 2006-01-20 Dirk Mueller <dmueller@suse.com>
11963 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11964 instead of a special NOP marker.
11965 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11966 NOP marker handling.
11967 * c-common.h (empty_body_warning): Add forward declaration.
11968 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11969 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11971 2006-01-20 Paul Brook <paul@codesourcery.com>
11973 * Makefile.in (lang_checks): Keep going if mkdir fails.
11975 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11977 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11978 be able to clean out basic block when not necessary.
11979 (df_scan_free): Fixed to properly delete information if df is
11980 unused before calling df_finish.
11981 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11982 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11984 (df_bb_refs_delete): New function.
11985 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11986 * df-core.c (df_set_blocks): Added code to properly clean out
11987 unused blocks if they are not part of the blocks to consider.
11988 Added additional null check.
11989 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11990 be able to clean out basic block when not necessary
11991 * df.h (df_free_bb_function): Ditto.
11992 (df_bb_refs_delete): New function.
11993 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11994 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11995 basic block parameter to be able to clean out basic block when not
11997 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11998 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11999 Fixed to properly delete information if df is unused before
12002 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12004 PR rtl-optimization/25799
12005 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12006 Corrected confluence operator to remove bits from op2 before oring
12007 with op1 rather than removing bits from op1.
12008 (df_ru_transfer_function): Corrected test on wrong bitmap which
12009 caused infinite loop. Both of these problems were introduced in
12010 the dataflow rewrite.
12012 2006-01-19 DJ Delorie <dj@redhat.com>
12014 * reload1.c (find_reload_regs): Note the details of reload
12015 failures in the dump file.
12016 (spill_failure): Likewise.
12018 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12020 * loop-iv.c: Include df.h and hashtab.h.
12021 (enum iv_grd_result): New enum.
12022 (DF_REF_IV, DF_REF_IV_SET): New macros.
12023 (struct biv_entry): New.
12024 (df, bivs): New global variables.
12025 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12026 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12028 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12029 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12030 analyzed_for_bivness_p, record_biv): New functions.
12031 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12032 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12033 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12035 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12037 (iv_number_of_iterations): Use new interface to iv analysis.
12038 * loop-unroll.c: Do not include varray.h.
12039 (analyze_iv_to_split_insn): Use new interface to iv
12041 * loop-unswitch.c (may_unswitch_on): Ditto.
12042 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12044 (df_bb_modify): Realloc tables to the new index.
12045 (df_find_use): New function.
12046 * df.h (df_find_use): Declare.
12047 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12049 * cfgloop.h (struct rtx_iv): Remove analysed field.
12050 (iv_get_reaching_def): Removed.
12051 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12052 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12053 (loop-iv.o): Add df.h and hashtab.h dependency.
12054 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12056 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12059 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12061 (__floatundisf, __floatundidf): Likewise.
12062 * libgcc2.h (IS_IBM_EXTENDED): Define.
12064 2006-01-19 DJ Delorie <dj@redhat.com>
12066 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12068 2006-01-19 Paul Brook <paul@codesourcery.com>
12070 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12071 as nothrow when unwinding tables are disabled.
12073 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12076 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12077 of bit-field" when in system header.
12079 2006-01-19 DJ Delorie <dj@redhat.com>
12081 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12082 the 16 bit shift limit of the m16c.
12084 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12087 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12088 * config/i386/i386.c (output_set_got): Output the label if we have one
12089 for the TARGET_DEEP_BRANCH_PREDICTION case.
12091 2006-01-19 Jan Hubicka <jh@suse.cz>
12092 H.J. Lu <hongjiu.lu@intel.com>
12093 Evandro Menezes <evandro.menezes@amd.com>
12095 * invoke.texi (generic): Document
12097 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12098 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12099 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12100 (x86_use_incdec, x86_pad_returns): New variables
12101 (TARGET_CPU_DEFAULT_generic): New constant
12102 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12103 (enum processor_type): Add generic32 and generic64.
12104 * i386.md (cpu attribute): Add generic32/generic64
12105 (movhi splitter): Behave sanely when both partial_reg_dependency and
12106 partial_reg_stall are set.
12107 (K8 splitters): Enable for generic as well.
12108 * predicates.md (incdec_operand): Use TARGET_INCDEC
12109 (aligned_operand): Avoid memory mismatch stalls.
12110 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12111 * ppro.md: Enable for generic32
12112 * i386.c (generic64_cost, generic32_cost): New.
12113 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12114 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12115 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12116 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12117 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12118 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12119 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12120 x86_accumulate_outgoing_args, x86_prologue_using_move,
12121 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12122 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12123 Enable for generic.
12124 (x86_use_incdec, x86_pad_returns): New.
12125 (override_options): Add generic32 and generic64, translate "generic"
12126 to generic32/generic64 and "i686" to "generic32", refuse
12127 "generic32"/"generic64" as arch target.
12128 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12129 (ix86_reorg): Honor PAD_RETURNS.
12131 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12133 * tree-pretty-print.c (dump_generic_node): Handle
12134 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12135 * cgraph.c (cgraph_expand_queue): Rename from
12136 cgraph_analyze_queue. Update all users.
12137 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12138 cgraph_expand_queue.
12139 (cgraph_expand_all_functions): Likewise.
12140 (cgraph_finalize_pending_functions): Remove. Update callers.
12142 * tree.h (OMP_DIRECTIVE_P): Define.
12143 (OMP_PARALLEL_FN): Define.
12144 (OMP_PARALLEL_DATA_ARG): Define.
12145 (OMP_SECTIONS_SECTIONS): Define.
12146 * tree-pass.h (pass_expand_omp): Declare.
12147 * omp-low.c (struct omp_region): Declare.
12148 (struct omp_context): Remove fields 'parallel_type',
12149 'parallel_start_ix' and 'parallel_start_additional_args'.
12151 (struct omp_for_data): Rename from struct expand_omp_for_data.
12152 (omp_regions): New static variable.
12153 (root_omp_region): New static variable.
12154 (find_omp_clause): Make static.
12155 (is_in_combined_parallel_ctx): Remove.
12156 (is_combined_parallel): New.
12157 (extract_omp_for_data): Move earlier in the file.
12158 (workshare_safe_to_combine_p): New.
12159 (get_ws_args_for): New.
12160 (determine_parallel_type): Move earlier in the file.
12161 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12163 (omp_copy_decl): Likewise.
12164 (create_omp_child_function): Likewise.
12165 (lookup_omp_region): New.
12166 (dump_omp_region): New.
12167 (debug_omp_region): New.
12168 (debug_all_omp_regions): New.
12169 (new_omp_region): New.
12170 (scan_omp_parallel): If parallel_nesting_level > 1, the
12171 directive is nested within another parallel directive.
12172 Set OMP_PARALLEL_FN.
12173 (scan_omp_for): Do not try to handle combined parallel+for
12175 Remove FIXME comment.
12176 (scan_omp_nested): Remove.
12177 (scan_omp_1): Do not call scan_omp_nested when
12178 parallel_nesting_level is > 1.
12179 Do not change the DECL_CONTEXT of local variables found.
12180 (lookup_decl_in_outer_ctx): New.
12181 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12182 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12183 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12184 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12185 If CTX is nested, lookup VAR in the outer context when
12186 building copy assignment.
12187 (lower_send_clauses): Rename from expand_send_clauses.
12188 If CTX is nested, lookup VAR in the outer context when
12189 building copy assignments.
12190 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12191 If CTX is nested, lookup VAR in the outer context when
12192 building copy assignments.
12193 (expand_parallel_call): Rename from build_parallel_call.
12194 Handle combined parallel+workshare cases.
12195 Re-implement to emit code into the CFG.
12197 (expand_omp_parallel): Re-implement to emit code into the CFG.
12198 Call move_sese_region_to_fn to outline the sub-graph
12199 containing the parallel region.
12200 (expand_omp_for_1): Remove.
12201 (expand_omp_for_generic): Re-implement to emit code into the
12203 (expand_omp_for_static_nochunk): Likewise.
12204 (expand_omp_for_static_chunk): Likewise.
12205 (expand_omp_for): Likewise.
12206 (expand_omp_sections): Likewise.
12207 (remove_exit_barriers): New.
12208 (expand_omp_synch): New.
12210 (build_omp_regions_1): New.
12211 (build_omp_regions): New.
12212 (execute_expand_omp): New.
12213 (gate_expand_omp): New.
12214 (pass_expand_omp): Define.
12215 (lower_omp_sections): Rename from expand_omp_sections.
12216 Set OMP_SECTIONS_SECTIONS.
12217 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12218 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12219 (lower_omp_single): Rename from expand_omp_simple.
12220 (lower_omp_master): Rename from expand_omp_master.
12221 (lower_omp_ordered): Rename from expand_omp_ordered.
12222 (lower_omp_critical): Rename from expand_omp_critical.
12223 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12224 (lower_omp_for): Re-implement.
12225 (lower_omp_parallel): Re-implement.
12226 (lower_regimplify): Rename from expand_regimplify.
12227 (lower_omp_1): Rename from expand_omp_1.
12228 If there are syntax errors in the program, replace every
12229 OpenMP directive with NOP.
12230 Call lower_omp_* instead of expand_omp_*.
12231 (lower_omp): Rename from expand_omp.
12233 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12234 * tree-gimple.h (enum omp_parallel_type): Remove.
12235 (gimple_boolify): Declare extern.
12236 (find_omp_clause, determine_parallel_type): Remove.
12238 * gimple-low.c (lower_omp_directive): New.
12239 (lower_stmt): Call it.
12240 (record_vars_into): Move from ...
12241 (record_vars): ... here.
12242 Call record_vars_into with current_function_decl.
12244 * gimplify.c (struct gimplify_ctx): Remove fields
12245 combined_pre_p and combined_ctxp. Update users.
12246 (get_formal_tmp_var): Add documentation.
12247 (gimple_boolify): Make extern.
12248 (gimplify_expr_in_ctx): Remove. Update callers.
12249 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12250 will always be a BIND_EXPR.
12251 (gimplify_expr): Handle OMP_RETURN_EXPR.
12252 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12253 (OMP_PARALLEL): Add 3 operands.
12254 (OMP_SECTIONS): Add 1 operand.
12255 (OMP_RETURN_EXPR): Define.
12257 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12258 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12259 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12260 creating a circular free list.
12261 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12263 * tree-flow.h (move_sese_region_to_fn): Declare.
12264 (record_vars_into): Declare.
12265 * tree-cfg.c (make_omp_sections_edges): New.
12266 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12267 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12268 OMP_SECTIONS and OMP_SECTION.
12269 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12270 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12271 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12272 (gather_blocks_in_sese_region): New.
12273 (struct move_stmt_d): Declare.
12274 (move_stmt_r): New.
12275 (move_block_to_fn): New.
12276 (move_sese_region_to_fn): New.
12278 * passes.c (init_optimization_passes): Schedule
12279 pass_expand_omp after pass_init_datastructures.
12281 * tree-ssa-operands.c (get_expr_operands): Handle
12282 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12283 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12285 2006-01-19 Jeff Law <law@redhat.com>
12287 * tree-vrp.c (extract_range_from_assert): Refine the result range
12288 if the variable referenced by the ASSERT_EXPR has a range and
12289 either the tentative result range or the previous range is a
12292 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12294 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12296 2006-01-19 Jan Hubicka <jh@suse.cz>
12298 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12300 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12302 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12303 (expand_compound_operation, expand_field_assignment): Fail if the
12304 bit lengths of an extract operation are out of range.
12305 (make_extraction): Compute wanted_inner_mode based on the position
12306 and length of the extraction. Make it extraction_mode for non-constant
12307 positions, and do not modify offset in that case. When generating a
12308 new MEM, use a mode that can hold the extraction while keeping correct
12309 alignment. Remove code that supported MEMs wrapped by USEs.
12310 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12312 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12314 * config/s390/s390.md ("Y", "y"): New mode attribute.
12315 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12316 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12317 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12318 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12319 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12320 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12321 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12322 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12323 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12324 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12325 "addsi3", "subsi3"): Insn patterns removed.
12326 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12327 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12328 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12329 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12330 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12331 "*sub<mode>3_cconly2"): New insn patterns.
12332 ("addsi3", "subsi3"): New expanders.
12334 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12336 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12337 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12338 existing STMT_VINFO_VECTYPE if available.
12339 (vect_mark_relevant): Add special handling for stmts that are
12340 marked as STMT_VINFO_IN_PATTERN_P.
12341 (vect_analyze_loop): Call vect_pattern_recog.
12342 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12343 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12345 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12346 (vect_recog_func_ptr): New function-pointer type.
12347 * tree-vect-patterns.c: New file.
12348 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12349 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12350 (vect_pattern_recog_1): New functions.
12351 (vect_pattern_recog_funcs): New array of function pointers.
12353 * tree-vectorizer.h (ternary_op): New enum value.
12354 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12355 declaration. Revised documentation. Removed redundant dump prints.
12356 Removed redundant argument. Added support for reduction patterns.
12357 (vectorizable_reduction): Added support for reduction patterns.
12358 (vect_transform_stmt): Added support for patterns.
12360 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12361 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12362 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12363 (expand_widen_pattern_expr): New function.
12364 (init_optabs): Initialize new optabs udot_prod_optab,
12366 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12367 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12368 (expand_widen_pattern_expr): New function declaration.
12369 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12371 * tree-inline.c (estimate_num_insns_1): Added cases for new
12372 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12373 * tree-pretty-print.c (dump_generic_node): Likewise.
12374 (op_prio): Likewise.
12375 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12376 * tree-ssa-operands.c (get_expr_operands): Added case for
12378 * tree-vect-patterns.c (widened_name_p): New function.
12379 (vect_recog_dot_prod_pattern): Added function implementation.
12380 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12381 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12382 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12383 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12385 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12386 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12387 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12388 (init_optabs): Initialize new optabs widen_ssum_optab,
12390 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12391 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12392 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12393 use instead of type of def.
12394 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12395 function implementation.
12396 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12397 widen_ssumv8hi): New.
12399 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12402 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12405 * c-decl.c (add_flexible_array_elts_to_size): New function.
12406 (finish_decl): Use it.
12408 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12410 * diagnostic.h: Include options.h.
12411 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12412 dependancies for diagnostic.h.
12413 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12415 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12417 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12418 (ssa_ro_call_cache_valid): Ditto.
12419 * tree-ssa-alias.c (sort_tags_by_id): New function.
12420 (init_transitive_clobber_worklist): Ditto.
12421 (add_to_worklist): Ditto.
12422 (mark_aliases_call_clobbered): Ditto.
12423 (compute_tag_properties): Ditto.
12424 (set_initial_properties): Ditto.
12425 (compute_call_clobbered): Ditto.
12426 (compute_may_aliases): Call compute_call_clobbered and grouping.
12427 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12428 (compute_flow_insensitive_aliasing): Grouping now happens in our
12430 (setup_pointers_and_addressables): Remove clobbering related code.
12431 (add_may_alias): Ditto.
12432 (replace_may_alias): Ditto.
12433 (get_nmt_for): Ditto.
12434 (create_global_var):
12435 (is_escape_site): Return an escape_type enumeration.
12436 * tree-flow-inline.h (is_call_clobbered): Global var does not
12437 imply call clobbered.
12438 (mark_call_clobbered): Take a reason for marking this. Remove
12439 marking of globalness, and cache invalidation.
12440 (clear_call_clobbered): Remove cache invalidation code.
12441 * tree-dfa.c (dump_variable): If details is on, dump the reason
12443 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12445 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12446 (struct var_ann_d): Ditto.
12447 (enum escape_type): New.
12448 (mark_call_clobbered): Adjust prototype.
12449 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12450 are never call clobbered.
12451 Record reasons for escaping.
12452 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12453 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12454 (ssa_ro_call_cache_valid): Ditto.
12455 (clobbered_v_may_defs): Ditto.
12456 (clobbered_vuses): Ditto.
12457 (ro_call_vuses): Ditto.
12458 (clobber_stats): New.
12459 (init_ssa_operands): Zero out clobber stats.
12460 (fini_ssa_operands): Print out clobber stats.
12461 (get_call_expr_operands): Pass callee fndecl to
12462 add_call_read_ops).
12463 (add_call_clobber_ops): Remove use of cache.
12464 Add use of PURE_CONST information.
12465 (add_call_read_ops): Remove use of cache.
12466 Add use of static not_read information.
12468 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12470 Introduce TLS descriptors for i386 and x86_64.
12471 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12472 (TARGET_ANY_GNU_TLS): New macro.
12473 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12474 (struct machine_function): Add tls_descriptor_call_expanded_p.
12475 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12476 (ix86_current_function_calls_tls_descriptor): Likewise.
12477 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12478 (override_options): Introduce gnu2 tls dialect.
12479 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12481 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12483 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12484 (ix86_init_machine_status): Initialize new field.
12485 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12486 (ix86_tls_module_base): New.
12487 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12488 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12489 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12490 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12491 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12492 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12493 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12494 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12495 * config/i386/predicates.md (tls_modbase_operand): New.
12496 (tp_or_register_operand): New.
12498 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12500 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12501 (look_for_address_of): Ditto.
12502 (ipa_init): Walk the function decls.
12503 (static_execute): Don't set readonly on FUNCTION_DECL's.
12505 2006-01-18 Roger Sayle <roger@eyesopen.com>
12507 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12508 for shifts where the source and destination registers are different.
12510 2006-01-18 Paul Brook <paul@codesourcery.com>
12512 Merge from csl-arm-branch.
12513 2005-03-14 Julian Brown <julian@codesourcery.com>
12514 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12515 (aeabi_llsl): Likewise.
12516 (ashrdi3): Likewise.
12517 (aeabi_lasr): Likewise.
12518 (lshrdi3): Likewise.
12519 (aeabi_llsr): Likewise.
12520 2005-03-10 Julian Brown <julian@codesourcery.com>
12521 * config.gcc: Disable shared libgcc for SymbianOS.
12522 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12524 2006-01-18 DJ Delorie <dj@redhat.com>
12526 * c-pragma.c (handle_pragma_diagnostic): New.
12527 (init_pragma): Register it.
12528 * doc/extend.texi: Document it.
12530 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12531 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12532 (diagnostic_context): Add classify_diagnostic[].
12533 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12534 as errors if they're overridden to DK_WARNING.
12535 (diagnostic_initialize): Initialize classify_diagnostic[].
12536 (diagnostic_set_kind_override): New.
12537 (diagnostic_report_diagnostic): Check for kind changes.
12538 * opts.c (common_handle_option): Take lang_mask. Update callers.
12539 Handle OPT_Werror_.
12540 * common.opt (Werror=): New.
12541 * doc/invoke.texi: Document -Werror=*
12543 2006-01-18 Jeff Law <law@redhat.com>
12545 * tree-vrp.c (test_for_singularity): Correct test for new
12546 min limit. Use operand_equal_p rather than pointer equality
12547 for testing if new min/max values are equal.
12549 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12550 using range information until after propagation and folding.
12552 2006-01-18 Richard Henderson <rth@redhat.com>
12553 Aldy Hernandez <aldyh@redhat.com>
12554 Jakub Jelinek <jakub@redhat.com>
12555 Diego Novillo <dnovillo@redhat.com>
12557 * omp-low.c: New file.
12558 * c-omp.c: New file.
12560 2006-01-18 Richard Henderson <rth@redhat.com>
12561 Jakub Jelinek <jakub@redhat.com>
12562 Diego Novillo <dnovillo@redhat.com>
12564 * doc/invoke.texi: Document -fopenmp.
12565 * tree-dump.h (debug_function): Declare.
12566 * hooks.c (hook_bool_tree_bool_false): New function.
12567 (hook_tree_tree_null): Remove.
12568 (hook_tree_tree_tree_null): New.
12569 * hooks.h: Update to match.
12570 * tree-pretty-print.c (debug_tree_chain): New.
12571 (print_generic_expr): Handle TDF_CHAIN.
12572 (dump_generic_node): Handle BLOCK.
12573 Do not abort with incomplete SWITCH_EXPRs.
12574 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12575 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12576 print space after directive name.
12577 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12578 Handle OMP_MASTER and OMP_ORDERED.
12579 Handle printing of OMP_BODY just in one place, goto
12580 dump_omp_body in the rest of OMP_* nodes that have
12582 Don't handle clause nodes here. Update omp statements to
12583 use dump_omp_clauses.
12584 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12585 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12586 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12587 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12588 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12589 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12590 Adjust output for GOMP_PARALLEL.
12591 (dump_omp_clauses): New.
12592 (print_declaration): Dump DECL_VALUE_EXPR.
12593 (op_symbol_1): Split out of op_symbol.
12594 (dumping_stmts): Remove. Update all users.
12595 * cgraph.c (cgraph_analyze_queue): New.
12596 (cgraph_add_new_function): New.
12597 * cgraph.h (cgraph_analyze_queue): Declare.
12598 (cgraph_add_new_function): Declare.
12599 (cgraph_lower_function): Remove.
12600 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12601 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12602 and TYPE_P nodes in its default clause.
12603 (empty_body_p): New.
12604 (tree_range_check_failed): New.
12605 (build5_stat): New.
12606 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12607 OMP_CLAUSE_REDUCTION_MERGE,
12608 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12609 OMP_CLAUSE_PRIVATE_DEBUG,
12610 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12611 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12612 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12613 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12614 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12615 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12616 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12617 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12618 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12619 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12620 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12621 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12622 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12623 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12624 (TREE_RANGE_CHECK): New.
12625 (empty_body_p): Declare.
12626 (enum omp_clause_default_kind): New.
12627 (build_string_literal): Declare.
12628 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12629 (build5_stat, build5): Declare.
12630 * tree-pass.h (TDF_CHAIN): Define.
12631 * tree-pass.h (PROP_gimple_lomp): Define.
12632 (pass_lower_omp): Declare.
12633 * diagnostic.h (debug_tree_chain): Declare.
12634 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12636 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12637 * builtins.c (build_string_literal): Make extern.
12638 * gcc.c (include_spec_function): New.
12639 (static_spec_functions): Add it.
12640 (main): Move load of libgomp.spec ...
12641 (LINK_COMMAND_SPEC): ... here.
12642 (link_gomp_spec): New.
12643 (static_specs): Include it.
12644 (LINK_COMMAND_SPEC): Add link_gomp.
12645 (GOMP_SELF_SPECS): New.
12646 (driver_self_specs): Include it.
12647 (switch_matches): Don't mark inline.
12648 (main): Load libgomp.spec.
12649 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12650 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12651 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12652 * tree-gimple.h (enum omp_parallel): Declare.
12653 (determine_parallel_type): Declare.
12654 (omp_firstprivatize_variable): Declare.
12655 (omp_reduction_init): Declare.
12656 (diagnose_omp_structured_block_errors): Declare.
12657 (struct walk_stmt_info): Add want_return_expr.
12658 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12659 (find_omp_clause): Declare.
12660 (insert_field_into_struct): Declare.
12661 (struct walk_stmt_info): Move from tree-nested.c
12662 (walk_stmts): Declare.
12663 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12665 * cgraphunit.c (cgraph_lower_function): Make static.
12666 (cgraph_finalize_pending_functions): New.
12667 (cgraph_finalize_function): Call it.
12668 (cgraph_finalize_compilation_unit): Likewise.
12669 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12670 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12671 (BT_FN_UINT_UINT): New.
12672 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12673 DEF_FUNCTION_TYPE_VAR_4): Document.
12674 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12675 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12676 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12677 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12678 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12679 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12680 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12681 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12682 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12683 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12684 into separate files.
12685 (DEF_GOMP_BUILTIN): New.
12686 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12687 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12688 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12689 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12690 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12691 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12692 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12693 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12694 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12695 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12696 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12697 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12698 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12699 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12700 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12701 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12702 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12703 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12704 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12705 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12706 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12707 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12708 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12709 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12710 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12711 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12712 * sync-builtins.def: New file, moved from builtins.def.
12713 * omp-builtins.def: New file, moved from builtins.def.
12714 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12715 * gimple-low.c (lower_function_body): Clear data.
12716 (lower_stmt): Do not handle COMPOUND_EXPR.
12717 Remove call to print_node_brief.
12718 * c-tree.h (c_finish_omp_clauses): New prototype.
12719 (C_DECL_THREADPRIVATE_P): Define.
12720 (lookup_name_no_remap, c_omp_remap_private): Remove
12721 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12722 (check_for_loop_decls): Update decl.
12723 (lookup_name_no_remap, c_omp_remap_private): Declare.
12724 (build_indirect_ref, build_modify_expr, pushdecl,
12725 pushdecl_top_level): Move to c-common.h.
12726 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12727 before the switch, but just in the 2 places that need it.
12728 * c-decl.c (diagnose_mismatched_decls): Do not check for
12729 mismatched thread-local attributes when OLDDECL is marked
12730 threadprivate and NEWDECL has no thread-local attributes.
12731 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12732 (c_gimple_diagnostics_recursively): Rename from
12733 c_warn_unused_result_recursively. Invoke
12734 diagnose_omp_structured_block_errors.
12735 (check_for_loop_decls): Return a singular decl found.
12736 * langhooks.c (lhd_omp_predetermined_sharing): Return
12737 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12738 (lhd_omp_firstprivatize_type_sizes): New.
12739 (lhd_omp_assignment): New.
12740 (lhd_omp_predetermined_sharing): New.
12741 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12742 (struct lang_hooks_for_types): Add
12743 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12744 omp_predetermined_sharing, omp_disregard_value_expr,
12745 omp_private_debug_clause, omp_clause_default_ctor,
12746 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12747 (c_finish_omp_clauses): New.
12748 (c_finish_bc_stmt): Diagnose break within omp for.
12749 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12750 (build_unary_op): Return error_mark after reporting
12752 (build_modify_expr): Likewise.
12753 * gimplify.c: Include optabs.h and pointer-set.h.
12754 (enum gimplify_omp_var_data): Declare.
12755 (struct gimplify_omp_ctx): Declare.
12756 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12758 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12759 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12760 (splay_tree_compare_decl_uid): New.
12761 (new_omp_context): New.
12762 (delete_omp_context): New.
12763 (gimple_add_tmp_var): Call omp_add_variable.
12764 (gimplify_bind_expr): Likewise.
12765 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12766 true, disregard DECL_VALUE_EXPR on the decl if any.
12767 (gimplify_expr_in_ctx): New.
12768 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12769 omp_add_variable, omp_notice_variable, omp_is_private
12770 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12771 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12772 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12773 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12774 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12775 gimplify_omp_atomic): New.
12776 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12777 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12778 OMP_CRITICAL and OMP_ATOMIC.
12779 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12780 * c-pragma.h (enum pragma_kind): Add
12781 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12782 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12783 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12784 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12785 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12786 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12787 PRAGMA_OMP_THREADPRIVATE.
12788 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12789 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12790 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12791 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12792 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12793 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12794 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12795 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12796 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12797 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12798 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12799 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12800 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12802 (struct nesting_info): Add field_map,
12803 suppress_expansion, debug_var_chain.
12804 (create_nesting_tree): Initialize them.
12805 (lookup_field_for_decl): Use field_map.
12806 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12807 (convert_local_omp_clauses): New.
12808 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12809 (walk_body): Split out of walk_function.
12810 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12811 (convert_nonlocal_reference): Handle omp statements.
12812 (convert_local_reference): Likewise.
12813 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12814 (unnest_nesting_tree): New.
12815 (lower_nested_functions): Call it.
12816 (insert_field_into_struct): Make extern.
12817 (struct walk_stmt_info): Move to tree-gimple.h.
12818 (walk_stmts): Make extern.
12819 * omp-builtins.def: New file.
12820 * tree-iterator.c (expr_only): Clarify comment.
12821 * c-common.h (pushdecl_top_level, pushdecl,
12822 build_modify_expr, build_indirect_ref,
12823 c_finish_omp_master, c_finish_omp_critical,
12824 c_finish_omp_ordered, c_finish_omp_barrier,
12825 c_finish_omp_atomic, c_finish_omp_flush,
12826 c_finish_omp_for, c_split_parallel_clauses,
12827 omp_clause_default_kind, c_omp_sharing_predetermined,
12828 c_omp_remap_decl): Declare.
12829 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12830 (OBJS-common): Add omp-low.o.
12831 (c-omp.o, omp-low.o): Add.
12832 (gimplify.o): Add dependency on $(OPTABS_H).
12833 (GTFILES): Add omp-low.c.
12834 (gt-stringpool.h): Add.
12835 * tree-cfg.c (set_bb_for_stmt): Do not update the
12836 block-to-labels map if we are currently expanding to RTL.
12837 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12839 Handle IDENTIFIER_NODE.
12840 (tree_verify_flow_info): Do not ICE when emitting error
12841 messages about invalid labels.
12842 (dump_function_to_file): Reset CFUN before emitting the body
12844 (debug_function): New.
12845 * passes.c (init_optimization_passes): Schedule
12847 * langhooks-def.h (lhd_omp_predetermined_sharing,
12848 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12850 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12851 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12852 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12853 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12854 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12855 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12856 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12857 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12858 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12859 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12860 (LANG_HOOK_DECLS): Use them.
12862 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12863 Richard Henderson <rth@redhat.com>
12864 Jakub Jelinek <jakub@redhat.com>
12865 Diego Novillo <dnovillo@redhat.com>
12867 * c-parser.c (pragma_omp_clause): Define.
12868 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12869 (c_parser_compound_statement): Likewise.
12870 (c_parser_statement): Likewise.
12871 (c_parser_pragma): Handle omp pragmas.
12872 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12873 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12874 (c_parser_omp_clause_name, check_no_duplicate_clause,
12875 c_parser_omp_variable_list,
12876 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12877 c_parser_omp_clause_copyprivate,
12878 c_parser_omp_clause_default,
12879 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12880 c_parser_omp_clause_lastprivate,
12881 c_parser_omp_clause_nowait,
12882 c_parser_omp_clause_num_threads,
12883 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12884 c_parser_omp_clause_reduction,
12885 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12886 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12887 c_parser_omp_atomic, c_parser_omp_barrier,
12888 c_parser_omp_critical, c_parser_omp_flush,
12889 c_parser_omp_for_loop, c_parser_omp_for,
12890 c_parser_omp_master, c_parser_omp_ordered,
12891 c_parser_omp_sections_scope, c_parser_omp_sections,
12892 c_parser_omp_parallel, c_parser_omp_single,
12893 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12894 * c-pragma.c (init_pragma): Do omp pragma registration here.
12895 * c.opt (fopenmp): New flag.
12897 2006-01-18 Eric Christopher <echristo@apple.com>
12899 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12900 * config/darwin.h (GOMP_SELF_SPECS): Define.
12902 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12904 * rtl.h: Remove the prototype for reg_alloc.
12906 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12909 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12910 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12911 sjlj and dwarf2 exception handling.
12912 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12913 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12914 * pa/pa.c (function_value): Treat complex and vector types as
12916 (function_arg): Likewise. Only pass scalar floats in the floating
12917 point argument registers.
12918 * pa/t-slibgcc-dwarf-ver: New file.
12919 * pa/t-slibgcc-sjlj-ver: New file.
12920 * pa/t-slibgcc-elf-ver: Delete file.
12922 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12924 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12925 unlikely_test_section_p test.
12927 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12929 * mode-switching.c (optimize_mode_switching): Make it static.
12930 * basic-block.h: Remove the prototype for
12931 optimize_mode_switching.
12933 * modulo-sched.c (sms_schedule): Make it static.
12934 * rtl.h: Remove the prototype for sms_schedule.
12936 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12937 * rtl.h: Remove the prototype for gcse_after_reload_main.
12939 * reg-stack.c (reg_to_stack): Make it static.
12940 * rtl.h: Remove the prototype for reg_to_stack.
12942 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12944 * rtl.h: Remove the prototypes for regrename_optimize and
12945 copyprop_hardreg_forward.
12947 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12949 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12950 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12951 Test against the appropriate null constant for the mode.
12952 If 'fixup_overlap' is true, swap the operands if they overlap.
12953 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12954 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12955 alpha_split_tmode_pair and adjust for above change.
12956 * config/alpha/alpha.md (movtf_internal): Adjust call to
12957 alpha_split_tfmode_pair and rely on it to swap the operands.
12958 (movti_internal): New insn and post-reload splitter.
12959 (movti): New expander.
12961 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12963 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12966 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12968 * rtlanal.c (global_reg_mentioned_p_1,
12969 global_reg_mentioned_p): Remove.
12970 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12972 * flow.c (initialize_uninitialized_subregs): Make it static.
12973 * rtl.h: Remove the prototype for
12974 initialize_uninitialized_subregs.
12976 * function.c (instantiate_virtual_regs): Make it static.
12977 * function.h: Remove the prototype for
12978 instantiate_virtual_regs.
12980 * regmove.c (regmove_optimize, combine_stack_adjustments):
12982 * rtl.h: Remove the prototypes for regmove_optimize and
12983 combine_stack_adjustments.
12985 2006-01-17 Roger Sayle <roger@eyesopen.com>
12987 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12988 (size_cost): Encode costs in bytes so that a reg-reg addition is
12989 equivalent to COSTS_N_INSNS(1).
12990 (override_options): Use the size_cost.branch_cost as the default
12991 ix86_branch_cost when optimizing for size.
12993 2006-01-18 Ben Elliston <bje@au.ibm.com>
12995 * Makefile.in (D32PBIT_FUNCS): New.
12996 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12997 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12998 D64PBIT_FUNCS and D128PBIT_FUNCS.
12999 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13000 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13002 (decnumber_dep): Define.
13003 * doc/libgcc.texi (Decimal float library routines): New node.
13004 * config/dfp-bit.h, config/dfp-bit.c: New files.
13006 2006-01-18 Ben Elliston <bje@au.ibm.com>
13008 * expr.c (emit_move_change_mode): Always adjust addresses, not
13009 just during reload. Copy replacements only during reload.
13010 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13011 emit_move_via_integer.
13013 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13015 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13016 instead of $(srcdir) and ${srcdir}.
13018 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13021 PR middle-end/11135
13022 * arm.h (struct machine_function): Add pic_reg.
13023 * arm.c (arm_pic_register): Make unsigned.
13024 (arm_override_options): Only set arm_pic_register if
13025 TARGET_SINGLE_PIC_BASE.
13026 (use_return_insn): Only test for a pic register if it is fixed.
13027 (arm_compute_save_reg0_reg12_mask): Likewise.
13028 (thumb_compute_save_reg_mask): Likewise.
13029 (legitimate_pic_operand): Factor out some known invariants.
13030 (legitimize_pic_address): If we don't have a fixed pic register,
13031 then set up a pseudo in the function entry sequence. Handle the
13032 pic base being in a pseudo.
13033 (arm_load_pic_register): Handle the pic register being in a pseudo.
13034 (arm_expand_prologue): Only set up the pic register if it is fixed.
13035 (thumb_expand_prologue): Likewise.
13036 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13037 (pic_load_addr_based_insn): Likewise.
13038 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13041 2006-01-18 Ben Elliston <bje@au.ibm.com>
13043 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13044 decimal float modes for all floating point registers.
13046 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13047 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13049 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13052 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13053 even when the pointer is not NULL.
13055 2006-01-16 Ian Lance Taylor <ian@airs.com>
13057 * common.opt (ftoplevel-reorder): New option.
13058 * cgraph.c (cgraph_asm_nodes): New global variable.
13059 (cgraph_asm_last_node): New static variable.
13060 (cgraph_order): New global variable.
13061 (cgraph_create_node): Set new order field.
13062 (cgraph_varpool_node): Likewise.
13063 (decide_is_variable_needed): Return true if not
13064 flag_toplevel_reorder.
13065 (cgraph_add_asm_node): New function.
13066 * cgraph.h (struct cgraph_node): Add order field.
13067 (struct cgraph_varpool_node): Add order field.
13068 (struct cgraph_asm_node): Define.
13069 (cgraph_asm_nodes, cgraph_order): Declare.
13070 (cgraph_add_asm_node): Declare.
13071 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13073 (cgraph_varpool_assemble_pending_decls): Call it.
13074 (cgraph_output_pending_asms): New static function.
13075 (cgraph_finalize_compilation_unit): Call it.
13076 (struct cgraph_order_sort): Define.
13077 (cgraph_output_in_order): New static function.
13078 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13079 !flag_toplevel_reorder case.
13080 * c-parser.c: Include "cgraph.h".
13081 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13083 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13084 than -fno-unit-at-a-time.
13085 * doc/invoke.texi (Option Summary): Mention
13086 -fno-toplevel-reorder.
13087 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13088 -funit-at-a-time documentation.
13090 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13091 Kazu Hirata <kazu@codesourcery.com>
13093 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13095 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13097 * Makefile.in (FUNCTION_H): New. Use it instead of
13098 function.h throughout the file.
13099 * function.h: Include tree.h.
13101 2006-01-17 Ben Elliston <bje@au.ibm.com>
13103 * recog.c: Separate some functions with whitespace.
13105 2006-01-16 Richard Henderson <rth@redhat.com>
13107 Merge from gomp branch:
13108 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13109 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13110 and rename from struct inline_data. Rename callee* to dst*;
13111 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13112 transform_new_cfg, transform_return_to_modify, and
13113 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13115 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13116 (copy_decl_for_dup): Remove.
13117 * tree-inline.c (struct inline_data): Move to header.
13118 (insert_decl_map): Export.
13119 (remap_decl): Update for member name changes. Use copy_decl hook.
13120 Allow for replacement to be a non-decl. Remove dead code.
13121 (remap_type_1): Check for existing mapping.
13122 (remap_type): Export.
13123 (remap_decls): Update for member name changes.
13124 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13125 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13126 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13127 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13128 (tree_function_versioning, build_duplicate_type): Likewise.
13129 (copy_body_r): Likewise. Export.
13130 (copy_decl_for_dup): Split into ...
13131 (copy_decl_for_dup_finish, copy_decl_to_var,
13132 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13133 (replace_ref_tree, inlining_p): Remove.
13135 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13137 * ifcvt.c (if_convert): Make it static.
13138 * rtl.h: Remove the prototype for if_convert.
13140 * local-alloc.c (local_alloc): Make it static.
13141 * rtl.h: Remove the prototype for local_alloc.
13143 * loop.c (loop_optimize): Make it static.
13144 * cfgloop.h: Remove the prototype for loop_optimize.
13147 2006-01-16 DJ Delorie <dj@redhat.com>
13149 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13152 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13154 * pa.md: Disparage copies between general and floating-point registers
13155 in 32-bit move patterns.
13157 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13160 * Makefile.in (check-%): Depend on site.exp instead of
13161 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13164 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13166 * global.c (global_alloc): Make it static.
13167 * rtl.h: Remove the prototype for global_alloc.
13169 2006-01-16 Richard Guenther <rguenther@suse.de>
13171 * tree-ssa-alias.c (struct used_part): Add write_only field.
13172 (get_or_create_used_part_for): Initialize it to true.
13173 (create_overlap_variables_for): Don't create structure variables
13174 for structures that only are written to.
13175 (find_used_portions): Handle MODIFY_EXPR to track whether a
13176 structure is only written to.
13178 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13180 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13182 * basic-block.h: Remove the prototype for
13183 partition_hot_cold_basic_blocks.
13185 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13187 * cppspec.c (lang_specific_spec_functions): Remove.
13188 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13189 * gcc.h (lang_specific_spec_functions): Remove.
13190 * gccspec.c (lang_specific_spec_functions): Remove.
13192 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13194 * combine.c (record_value_for_reg): Invalidate registers
13196 (record_dead_and_set_regs_1): Likewise, by passing them to
13197 record_value_for_reg.
13198 (record_dead_and_set_regs): Invalidate stores made by a
13199 call. We do not combine across a call, but we still
13200 relied on equivalences.
13202 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13204 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13205 vrp_int_const_binop returning non-constant nodes.
13207 2006-01-16 Paul Brook <paul@codesourcery.com>
13209 * config/m68k/m68k.c (output_move_const_into_data_reg):
13210 Output correct mnemonic for mvz and mvs.
13212 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13214 * rtl-factoring.c: Add sequence abstraction algorithm.
13215 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13216 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13218 (block_has_preserve_label): New function.
13219 * common.opt: Register new pass.
13220 * Makefile.in: Ditto.
13222 * timevar.def: Ditto.
13223 * tree-pass.h: Ditto.
13224 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13225 * rtl.h (make_jump_insn_raw): Add forward decl.
13226 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13228 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13229 Roger Sayle <roger@eyesopen.com>
13231 * fold-const.c (fold_minmax): New static function.
13232 (fold_binary) <MIN_EXPR>: Call it.
13233 <MAX_EXPR>: Likewise.
13234 * stor-layout.c (place_field): Use DECL_SIZE consistently
13235 in the computation of the new record size.
13237 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13239 * cse.c (cse_condition_code_reg): Make it static.
13240 * rtl.h: Remove the prototype for cse_condition_code_reg.
13242 * combine.c (combine_instructions): Make it static.
13243 * rtl.h: Remove the prototype for combine_instructions.
13245 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13248 * tree.c (get_file_function_name_long): Concatenate the first global
13249 object name with a string derived from the input filename of the object
13252 2006-01-16 Ben Elliston <bje@au.ibm.com>
13254 * config/i386/winnt-stubs.c: Update FSF address.
13255 * config/xtensa/ieee754-df.S: Ditto.
13256 * config/xtensa/ieee754-sf.S: Ditto.
13258 2006-01-14 Ian Lance Taylor <ian@airs.com>
13260 * ifcvt.c (noce_init_if_info): New static function, broken out of
13261 noce_process_if_block.
13262 (noce_process_if_block): Call noce_init_if_info.
13263 (check_cond_move_block): New static function.
13264 (cond_move_process_if_block): New static function.
13265 (process_if_block): Call cond_move_process_if_block.
13267 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13269 * cselib.c (hash_table): Rename to cselib_hash_table.
13270 (cselib_clear_table, discard_useless_values,
13271 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13272 cselib_init, cselib_finish): Adjust uses of hash_table.
13274 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13276 PR tree-optimization/25485
13277 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13278 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13279 is known to be false and true, respectively.
13281 2006-01-14 Richard Guenther <rguenther@suse.de>
13283 PR tree-optimization/22548
13284 PR tree-optimization/22555
13285 PR tree-optimization/22501
13286 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13287 * params.def (salias-max-array-elements): New parameter.
13288 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13289 * doc/invoke.texi (salias-max-array-elements): Document.
13290 * tree-flow-inline.h (var_can_have_subvars): We also handle
13292 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13294 * tree-ssa-structalias.c (params.h): Include.
13295 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13296 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13297 (get_constraint_for): For ADDR_EXPR operating on something
13298 containing an ARRAY_REF, add all subvars to the solution.
13299 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13300 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13301 for creating MUST_DEFs.
13302 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13304 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13306 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13308 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13309 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13310 number_of_iterations_le): New functions.
13311 (number_of_iterations_special): Removed.
13312 (number_of_iterations_exit): Do not use number_of_iterations_special.
13313 * tree.c (unsigned_type_for): Always return integer type.
13315 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13316 Richard Guenther <rguenther@suse.de>
13318 PR rtl-optimization/24257
13319 * gcse.c (find_moveable_store): Only consider a store movable
13320 when the SET_SRC of the insn can be assigned to a register.
13322 2006-01-14 Ian Lance Taylor <ian@airs.com>
13324 * tree.c (tree_not_class_check_failed): New function.
13325 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13326 (tree_not_class_check_failed): Declare.
13328 2006-01-13 Ian Lance Taylor <ian@airs.com>
13330 * reload1.c (do_output_reload): Add assertion rejecting a
13333 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13335 * combine.c (struct reg_stat): Add new fields truncation_label and
13337 (record_value_for_reg): Reset truncated_to_mode.
13338 (record_truncated_value): New function.
13339 (check_promoted_subreg): Call it. Rename to check_conversions.
13340 (combine_instructions): Rename check_promoted_subreg to
13342 (reg_truncated_to_mode): New function.
13343 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13344 (gen_lowpart_or_truncate): New function.
13345 (force_to_mode): Use it instead of gen_lowpart.
13347 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13349 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13350 VAR is a tag, not its type tag.
13352 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13354 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13355 alternatives to match style of other entries.
13356 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13358 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13360 PR tree-optimization/25771
13361 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13364 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13367 * tree-inline.c (declare_return_variable): If the return variable
13368 was marked as a non gimple complex, set the return slot variable
13369 to be a non gimple comple variable.
13371 2006-01-13 Richard Guenther <rguenther@suse.de>
13373 * builtins.c (expand_builtin_sincos): New function.
13374 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13376 (expand_builtin): Expand sincos using expand_builtin_sincos.
13378 2006-01-12 DJ Delorie <dj@redhat.com>
13380 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13381 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13382 so that constant shifts can be split.
13383 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13384 (m32c_valid_pointer_mode): Make static.
13385 (shift_gen_func_for): New.
13386 (m32c_prepare_shift): Use it. Split large const shifts into
13388 * config/m32c/predicates.md (shiftcount_operand): Allow more
13390 (longshiftcount_operand): New.
13391 * doc/md.texi (Machine Constraints): Document In6.
13393 2006-01-13 Ben Elliston <bje@au.ibm.com>
13395 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13396 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13399 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13401 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13402 to try to avoid clobbering pieces of structures when we know
13403 something about the whole structure.
13404 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13406 2006-01-13 Ben Elliston <bje@au.ibm.com>
13408 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13409 return in memory, as this is no limitation is no longer present.
13411 2006-01-12 DJ Delorie <dj@redhat.com>
13413 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13414 mova with fb, and for fb+0 -> An.
13416 * config/m32c/mov.md (peephole2): Fix enabling logic.
13418 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13419 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13420 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13421 FINI_ARRAY_SECTION_ASM_OP): Define.
13423 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13425 (m32c_legitimize_reload_address): New logic to reload FB to An.
13426 (m32c_output_reg_push): Add newline.
13427 (m32c_output_reg_pop): Likewise.
13429 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13431 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13433 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13435 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13437 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13439 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13442 2006-01-11 Ben Elliston <bje@au.ibm.com>
13444 * rtlanal.c (find_reg_note): Assert insn is not null.
13446 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13448 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13451 2006-01-11 Jeff Law <law@redhat.com>
13453 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13455 (mark_threaded_blocks, register_jump_thread): New functions.
13456 (thread_through_all_blocks): Remove unwanted argument. No
13457 longer rely on e->aux to communicate thread target info.
13458 Call mark_threaded_blocks. Release the threaded_blocks
13459 bitmap and threaded_edges vector when complete.
13460 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13461 (threaded_blocks): Remove.
13462 (tree_ssa_dominator_optimize): Remove initialization and
13463 finalization of threaded_blocks. Simplify call to
13464 thread_through_all_blocks.
13465 (thread_across_edge): Call register_jump_thread rather than
13466 storing thread information into e->aux.
13467 (free_all_edge_infos): Simplify now that e->aux is no longer
13468 used to communicate with thread_through_all_blocks.
13469 * tree-flow.h (thread_through_all_blocks): Update prototype.
13470 (register_jump_thread): Prototype.
13472 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13474 * df-core.c (df_compact_blocks, df_bb_replace): Use
13475 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13477 2006-01-11 Richard Guenther <rguenther@suse.de>
13479 PR tree-optimization/25734
13480 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13481 stop propagation after successful propagation to the LHS.
13483 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13485 * basic-block.h (control_flow_graph): Change the type of
13486 x_basic_block_info to VEC(basic_block,gc) *.
13487 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13489 (SET_BASIC_BLOCK): New.
13490 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13491 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13492 * cfgbuild.c (find_basic_blocks): Likewise.
13493 * cfglayout.c (fixup_reorder_chain): Likewise.
13494 * cfgrtl.c (create_basic_block_structure,
13495 rtl_create_basic_block): Likewise.
13496 * ifcvt.c (find_if_case_1): Likewise.
13497 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13500 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13502 * Makefile.in: Removed rotted odf.c entry.
13504 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13507 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13508 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13509 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13510 output pattern modifier, not %e.
13511 * config/cris/cris.c (cris_op_str): Update comment about pattern
13513 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13514 before falling through into...
13515 <case 'E'>: Redefined from old 'e' case.
13517 2006-01-11 Jan Hubicka <jh@suse.cz>
13520 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13522 2006-01-11 Jan Hubicka <jh@suse.cz>
13524 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13525 * i386.c (x86_decompose_lea): Kill.
13526 (ix86_rtx_costs): Kill.
13528 2006-01-11 Jan Hubicka <jh@suse.cz>
13530 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13531 * cgraph.h (cgraph_node): Add inline_decl.
13532 (cgraph_insert_node_to_hashtable): Declare.
13533 (save_inline_function_body): Declare.
13534 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13536 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13537 (cgraph_function_versioning): Update call of tree_function_versioning.
13538 (save_inline_function_body): New function.
13539 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13540 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13541 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13542 (cgraph_default_inline_p): Likewise.
13543 (cgraph_decide_inlining_incrementally): Likewise.
13544 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13545 (copy_bb): Kill saving; do updating of clones.
13546 (copy_cfg_body): Kill saving.
13547 (initialize_inlined-parameters): Likewise.
13548 (expand_call_inline): Likewise.
13550 (tree_function_versioning): New parameter "update_clones".
13551 (inlining_p): Kill saving.
13552 * tree-inline.h (tree_function_versioning): Update prototype.
13553 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13556 2006-01-11 Ian Lance Taylor <ian@airs.com>
13558 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13559 Allow undoing set of machine mode.
13560 (do_SUBST): Use enums instead of is_int.
13561 (do_SUBST_MODE): New function.
13562 (SUBST_MODE): New macro.
13563 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13564 reg and trying to replace reg_regno_rtx with a new register.
13565 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13566 (simplify_set): Use SUBST_MODE.
13567 (distribute_notes): Remove code that tried to update reg notes
13568 for regno_reg_rtx changes.
13570 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13572 PR tree-optimization/23109
13573 PR tree-optimization/23948
13574 PR tree-optimization/24123
13576 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13577 * tree-cfg.c (single_noncomplex_succ): New.
13578 * tree-flow.h (single_noncomplex_succ): Declare it.
13579 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13580 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13581 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13582 insert_bb, register_division_in, insert_reciprocals,
13583 replace_reciprocal, free_bb): New.
13584 (execute_cse_reciprocals_1): Rewritten.
13585 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13586 Do not commit any edge insertion. Always compute dominators and
13587 create the allocation pool.
13588 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13589 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13590 * targhooks.c (default_min_divistions_for_recip_mul): New.
13591 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13592 * passes.c (init_optimization_passes): Run recip after tree loop
13594 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13596 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13597 Kenneth Zadeck <zadeck@naturalbridge.com>
13599 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13600 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13601 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13602 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13603 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13604 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13605 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13606 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13607 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13608 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13609 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13610 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13611 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13612 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13613 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13614 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13615 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13616 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13617 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13618 DF_SCAN_POST_ALLOC): New macros.
13619 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13620 df_free_bb_function, df_local_compute_function, df_init_function,
13621 df_dataflow_function, df_confluence_function_0,
13622 df_confluence_function_n, df_transfer_function,
13623 df_finalizer_function, df_free_function, df_dump_problem_function,
13624 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13625 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13626 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13627 df_urec_bb_info, ) New types.
13628 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13630 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13631 df_analyze_simple_change_some_blocks,
13632 df_analyze_simple_change_one_block, df_compact_blocks,
13633 df_bb_replace, df_bb_regno_last_use_find,
13634 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13635 df_insn_regno_def_p, df_find_def, df_find_use,
13636 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13637 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13638 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13639 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13640 debug_df_chain, df_get_dependent_problem, df_chain_create,
13641 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13642 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13643 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13644 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13645 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13646 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13647 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13648 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13649 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13650 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13651 df_reorganize_refs, df_set_state, df_hard_reg_init,
13652 df_read_modify_subreg_p) New public functions.
13653 * df-core.c: The core dataflow solver and glue routines for rtl
13655 (df_init, df_add_problem, df_set_blocks, df_finish,
13656 df_hybrid_search_forward, df_hybrid_search_backward,
13657 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13658 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13659 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13660 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13661 df_reg_defined, df_find_use, df_reg_used, df_dump,
13662 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13663 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13664 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13665 debug_df_useno, reset_df_after_reload): New functions.
13666 * df-scan.c: The scanning fuctions, once in df.c, completely
13667 rewritten so that they now fully model the functionality of
13668 register usage at the backend.
13669 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13670 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13671 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13672 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13673 df_get_artificial_defs, df_get_artificial_uses,
13674 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13675 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13676 df_refs_delete, df_reorganize_refs, df_set_state,
13677 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13678 df_def_record_1, df_defs_record, df_uses_record,
13679 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13680 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13681 df_record_exit_block_uses, df_hard_reg_init): New functions.
13683 * df-problems.c: Seven concrete dataflow problems that use the
13684 scanning in df-scan.c and are solved by the engine in df-core.c.
13685 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13686 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13687 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13688 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13689 df_ru_free_bb_info, df_ru_alloc,
13690 df_ru_bb_local_compute_process_def,
13691 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13692 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13693 df_ru_transfer_function, df_ru_free, df_ru_dump,
13694 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13695 df_rd_free_bb_info, df_rd_alloc,
13696 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13697 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13698 df_rd_transfer_function, df_rd_free, df_rd_dump,
13699 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13700 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13701 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13702 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13703 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13704 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13705 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13706 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13707 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13708 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13709 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13710 df_urec_mark_reg_use_for_earlyclobber,
13711 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13712 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13713 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13714 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13715 df_chain_create_bb_process_use, df_chain_create_bb,
13716 df_chain_finalize, df_chain_free, df_chains_dump,
13717 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13718 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13719 df_reg_lifetime): New functions.
13720 * df.c: Deleted file.
13721 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13722 consistent with new df api.
13723 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13724 rest_of_handle_sms): Ditto.
13725 * web.c (unionfind_union, union_defs, entry_register, web_main):
13727 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13728 invariant_expr_equal_p, find_defs, check_dependencies,
13729 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13730 free_inv_motion_data, move_loop_invariants): Ditto.
13731 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13732 Update dependencies.
13733 (odf.c): Added defective entry that was deleted later in day.
13734 * sched-deps.c (sched_analyze_1): Ditto.
13736 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13738 * tree-ssa-operands.c (get_expr_operands): Record addressable
13739 variables directly. Do not call add_stmt_operands for CONST_DECLs
13741 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13742 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13744 2006-01-11 Ben Elliston <bje@au.ibm.com>
13746 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13747 function returns true in the positive case.
13749 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13752 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13753 for SI, DI, SF and DF modes. Add alternatives to copy between
13754 general and floating point registers to the 32-bit patterns.
13755 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13756 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13757 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13758 generating 64-bit code.
13759 * config/pa/pa.c (output_move_double): Handle copies between general
13760 and floating registers.
13762 2006-01-10 Stuart Hastings <stuart@apple.com>
13764 * config/i386/i386.md (set_got): Update.
13765 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13766 (builtin_setjmp_receiver): Mach-O support.
13767 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13768 (GOT_SYMBOL_NAME): Define.
13769 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13770 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13771 * config/i386/i386.c (override_options): Revise for Darwin.
13772 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13773 support. (darwin_x86_file_end): New. (output_set_got): Add label
13774 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13775 * config/i386/i386-protos.h (output_set_got): Likewise.
13776 * config/darwin.c (machopic_legitimize_pic_address): Update
13779 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13781 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13782 when MODE isn't BLKmode.
13784 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13786 PR rtl-optimization/25367
13787 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13789 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13792 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13793 for a negative bound.
13795 2006-01-10 Richard Guenther <rguenther@suse.de>
13797 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13798 Never override with anything constraint.
13800 2006-01-10 Jan Beulich <jbeulich@novell.com>
13802 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13803 256 bits when optimize_size.
13805 2006-01-10 Jan Beulich <jbeulich@novell.com>
13807 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13809 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13810 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13813 2006-01-10 Ben Elliston <bje@au.ibm.com>
13815 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13817 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13818 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13819 (USE_FP_FOR_ARG): Reject decimal float modes.
13820 (function_arg_advance): Likewise.
13821 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13822 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13823 point types in AltiVec vectors.
13824 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13825 (rs6000_libcall_value): Likewise.
13827 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13829 * config/xtensa/ieee754-df.S: New file.
13830 * config/xtensa/ieee754-sf.S: New file.
13831 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13832 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13833 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13835 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13837 * config/sh/predicates.md (binary_float_operator,
13838 binary_logical_operator, commutative_float_operator,
13839 equality_comparison_operator, greater_comparison_operator,
13840 less_comparison_operator, logical_operator,
13841 noncommutative_float_operator, shift_operator,
13842 symbol_ref_operand, unary_float_operator): Remove redundant
13845 2006-01-09 Jeff Law <law@redhat.com>
13847 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13848 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13849 now unused arguments. Callers updated.
13850 (eliminate_redundant_computations): Remove now unused arguments,
13852 (local_fold): Remove, no longer used.
13853 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13855 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13856 (simplify_cond): New function.
13857 (forward_propagate_into_cond): Call simplify_cond.
13859 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13861 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13862 (*vec_extractv2di_1_sse): New.
13864 2006-01-09 Ben Elliston <bje@au.ibm.com>
13866 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13868 2006-01-08 Richard Guenther <rguenther@suse.de>
13870 * tree-ssa-structalias.c (get_constraint_for): Remove
13871 anyoffset argument.
13872 (get_constraint_for_component_ref): Likewise.
13873 (do_deref): Likewise.
13874 (get_constraint_for): Likewise.
13875 (do_structure_copy): Likewise.
13876 (handle_ptr_arith): Likewise.
13877 (find_func_aliases): Likewise. Remove unused need_anyoffset
13880 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13881 Kaz Kojima <kkojima@gcc.gnu.org>
13883 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13884 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13885 (EXTRA_CONSTRAINT_C16): Remove.
13886 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13887 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13888 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13889 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13890 constants of SHmedia. Handle nested constant expressions of
13892 (andcosts): Fix the costs for SHmedia constants.
13893 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13894 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13895 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13896 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13897 (movv4hi_i, movv2si_i): Likewise.
13898 (movsi_const): Adjust the second operand of ior so to match with
13899 the Csu constraint.
13900 (movdi_const, movdi_const_32bit): Likewise.
13901 (movdi_const_16bit+1): Don't sign-extend LOW.
13902 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13904 (*double_shori): Fix the split condition. Use GEN_INT instead
13905 of get_int_mode calls. Mask lower 16-bit of the argument of
13907 (sym2GOTPLT): Remove.
13908 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13910 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13911 instead of EXTRA_CONSTRAINT_C16.
13913 2006-01-07 Ian Lance Taylor <ian@airs.com>
13914 David Edelsohn <edelsohn@gnu.org>
13916 PR rtl-optimization/25662
13917 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13918 for constant operands instead of simplify_gen_binary.
13919 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13920 after trying simplify_binary_operation
13922 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13924 * tree.c (iterative_hash_expr): Hash decls based on UID.
13926 2006-01-06 Eric Christopher <echristo@apple.com>
13928 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13929 (TARGET_UNWIND_EMIT): Fix spelling.
13930 * target.h (gcc_target): Add except_table_label.
13931 * except.c (output_function_exception_table): Use.
13932 * varasm.c (default_emit_except_table_label): New.
13933 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13935 (asm_out): Add here.
13936 * output.h (default_emit_except_table_label): Prototype.
13937 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13938 * config/darwin.c (darwin_emit_except_table_label): Define.
13939 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13941 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13943 PR tree-optimization/18527
13944 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13945 number_of_iterations_special, number_of_iterations_exit):
13946 Move base and step of an iv to a single structure. Add
13947 no_overflow flag, and use it in # of iterations analysis.
13948 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13949 folded_casts argument.
13950 (simple_iv): Pass base and step in a structure. Set no_overflow
13952 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13953 Evaluate expensiveness of computing # of iterations instead of
13954 the final expression.
13955 * tree-scalar-evolution.h (affine_iv): New structure.
13956 (simple_iv): Declaration changed.
13957 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13958 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13959 find_givs_in_stmt): Changed due to simple_iv change.
13961 2006-01-06 Jeff Law <law@redhat.com>
13964 * tree-cfg.c (bsi_replace): Rename final argument from
13965 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13966 change (stmt -> orig_stmt).
13967 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13968 (bsi_remove): Add new argument. Remove EH information
13970 (verify_eh_throw_table_statements): New function.
13971 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13973 * tree-optimize.c (execute_free_cfg_annotations): Verify
13974 the EH throw statement table after removing annotations.
13975 * except.h (verify_eh_throw_table_statements): Prototype.
13976 * tree-flow.h (bsi_remove): Update prototype.
13977 * tree-vrp.c (remove_range_assertions): Add new argument to
13979 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13980 * tree-complex.c (expand_complex_div_wide): Likewise.
13981 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13982 * tree-tailcall.c (eliminate_tailcall): Likewise.
13983 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13984 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13985 * tree-nrv.c (tree_nrv): Likewise.
13986 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13987 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13988 (combine_blocks): Likewise.
13989 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13990 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13991 (cleanup_control_flow): Likewise.
13992 (remove_forwarder_block): Likewise.
13993 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13994 * tree-sra.c (sra_replace): Likewise.
13995 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13996 (forward_propagate_single_use_vars): Likewise.
13997 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13998 * tree-inline.c (expand_call_inline): Likewise.
13999 * tree-vect-transform.c (vect_transform_loop): Likewise.
14000 * tree-outof-ssa.c (rewrite_trees): Likewise.
14001 * tree-cfg.c (make_goto_expr_edges): Likewise.
14002 (cleanup_dead_labels): Likewise.
14003 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14004 (bsi_move_before, bsi_move_after): Likewise.
14005 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14006 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14008 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14011 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14013 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14014 on non gimple variables. Also add checks at the top for decls and
14016 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14018 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14019 and IMAGPART_EXPR for creating MUST_DEFs.
14020 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14021 and NAME_MEMORY_TAG separately from the DECLs.
14023 2006-01-06 Richard Guenther <rguenther@suse.de>
14025 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14026 annotation, if necessary.
14027 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14028 redundant calls to update_stmt.
14029 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14032 2006-01-05 Richard Henderson <rth@redhat.com>
14034 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14036 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14038 * c-typeck.c: Update copyright date.
14040 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14042 * c-typeck.c (build_c_cast): Always warn when casting
14043 from a pointer to an integer of different size, even if
14044 the node was constant.
14046 2006-01-05 Richard Guenther <rguenther@suse.de>
14048 PR tree-optimization/22555
14049 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14050 if one structure field is an array.
14051 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14052 operands even if we found a subvar, but ignore VOPs in this
14054 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14056 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14058 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14060 PR middle-end/24998
14061 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14063 2006-01-05 Richard Guenther <rguenther@suse.de>
14064 Diego Novillo <dnovillo@redhat.com>
14066 * tree-pass.h (TODO_remove_unused_locals): Define.
14067 * gimple-low.c (expand_var_p, remove_useless_vars,
14068 pass_remove_useless_vars): Remove. Update all users.
14069 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14070 (remove_unused_locals): New function.
14071 * tree-flow.h (remove_unused_locals): Declare.
14072 * passes.c (execute_todo): Call remove_unused_locals if
14073 TODO_remove_unused_locals is set.
14074 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14075 * tree-ssa-dce.c (pass_dce): Likewise.
14076 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14078 2006-01-05 Richard Guenther <rguenther@suse.de>
14080 * tree-flow.h (struct fieldoff): Decompose field to
14081 type, size and decl.
14082 * tree-ssa-alias.c (create_sft): Take type as parameter.
14083 (create_overlap_variables_for): Store type, size and decl
14084 in the fieldoff structure.
14085 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14086 of struct fieldoff.
14087 (push_fields_onto_fieldstack): Likewise.
14088 (create_variable_info_for): Likewise. Use offset for the
14089 SFT name if the decl is not available.
14091 2006-01-04 Paul Brook <paul@codesourcery.com>
14093 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14095 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14097 * lambda-code.c (can_put_in_inner_loop): Relax
14099 (can_put_after_inner_loop): New function.
14100 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14101 (perfect_nestify): Change to make copies and modify uses.
14103 2006-01-04 Richard Henderson <rth@redhat.com>
14105 Merge from gomp branch:
14106 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14107 via integer constant.
14108 (pragma_lex): Remove.
14109 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14110 rather than parsing it.
14111 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14112 handle_pragma_extern_prefix): Add %< %> quotes.
14113 (registered_pragmas): New.
14114 (c_register_pragma_1): New.
14115 (c_register_pragma): Use it.
14116 (c_register_pragma_with_expansion): Likewise.
14117 (c_invoke_pragma_handler): New.
14118 (init_pragma): Use cpp_register_deferred_pragma directly for
14120 * c-pragma.h (enum pragma_kind): New.
14121 (pragma_handler): New.
14122 (c_invoke_pragma_handler): Declare.
14123 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14125 * c-common.h (c_common_pch_pragma): Update decl.
14126 * Makefile.in (c-parser.o): Update dependencies.
14127 (GTFILES): Add c-pragma.h.
14128 * c-parser.c (struct c_token): Add pragma_kind.
14129 (struct c_parser): Add in_pragma.
14130 (c_lex_one_token): Always initialize keyword and pragma_kind.
14131 Extract data for CPP_PRAGMA.
14132 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14133 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14134 Don't allow CPP_PRAGMA_EOL if in_pragma.
14135 (c_parser_consume_pragma): New.
14136 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14137 (c_parser_skip_to_end_of_parameter): Likewise.
14138 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14139 (c_parser_skip_to_pragma_eol): New.
14140 (c_parser_external_declaration): Handle CPP_PRAGMA.
14141 (c_parser_compound_statement_nostart): Likewise.
14142 (c_parser_statement_after_labels): Likewise.
14143 (c_parser_pragma): New.
14144 (pragma_lex): Likewise.
14145 (c_parser_pragma_pch_preprocess): New.
14146 (c_parser_new): Merge into ...
14147 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14149 2006-01-04 Jeff Law <law@redhat.com>
14152 * tree-cfg.c (bsi_replace): Remove the original statement
14153 from the EH throw statement table.
14155 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14157 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14158 make the prototype extern "C" and add throw ().
14161 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14162 and pos non-negative and pos + len <= 32.
14163 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14164 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14165 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14168 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14169 as well as sizes not multiple of component size.
14172 * function.c (instantiate_expr): New function.
14173 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14174 walk its DECL_VALUE_EXPR with instantiate_expr.
14176 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14177 DW_OP_deref{,_size} if address isn't going to be added.
14179 2006-01-04 Ben Elliston <bje@au.ibm.com>
14181 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14182 * config/fp-bit.c: Likewise.
14184 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14186 * dominance.c: Add comment about why we use DFS numbering
14189 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14190 Richard Henderson <rth@redhat.com>
14192 Merge from gomp-branch:
14193 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14194 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14196 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14198 PR rtl-optimization/25578
14199 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14200 pass a parameter to simplify_shift_const if changing ASHIFTRT
14203 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14205 * builtins.c (get_builtin_sync_mem): New function.
14206 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14207 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14208 Call get_builtin_sync_mem to generate mem rtx.
14210 2006-01-03 Richard Guenther <rguenther@suse.de>
14213 * stmt.c (add_case_node): Make sure to clear overflow flags
14216 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14218 Merge from gomp-branch.
14219 * config/sparc/sync.md: New file.
14220 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14221 UNSPECV_LDSTUB): New constants.
14222 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14223 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14224 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14227 2006-01-03 Roger Sayle <roger@eyesopen.com>
14229 * combine.c (reg_subword_p): New predicate to test whether the
14230 destination of a set refers to a subword/piece of a register.
14231 (try_combine): Generalize the code to merge the setting of a
14232 pseudo to a constant followed by a set of a subword of that
14233 register to a constant.
14235 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14237 * basic-block.h (control_flow_graph): Change the type of
14238 x_label_to_block_map to VEC(basic_block,gc) *.
14239 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14240 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14242 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14243 VEC(basic_block,heap) *.
14244 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14245 ssa_prop_fini): Adjust the uses of cfg_blocks.
14247 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14249 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14251 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14252 hashing trees instead of a pointer hash.
14253 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14254 compare for MEM_EXPR.
14256 PR rtl-optimization/25130
14257 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14258 when comparing MEMs for GCSE
14260 2006-01-03 Ben Elliston <bje@au.ibm.com>
14262 * targhooks.h (default_decimal_float_supported_p): Declare.
14263 * targhooks.c (default_decimal_float_supported_p): Define.
14264 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14265 `default_decimal_float_supported_p'.
14266 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14268 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14270 * combine.c (apply_distributive_law <SUBREG>): Check
14271 TRULY_NOOP_TRUNCATION.
14273 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14275 * dwarf2out.c (have_switched_text_section): Delete.
14276 (have_multiple_function_sections): New.
14277 (have_location_lists): Make 'bool'.
14278 (add_AT_loc_list): Use 'true' not '1'.
14279 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14280 (output_loc_list): Use have_multiple_function_sections.
14281 (output_ranges): Likewise.
14282 (dwarf2out_begin_function): Set have_multiple_function_sections if
14284 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14285 Check function_section rather than DECL_SECTION_NAME.
14286 (dwarf2out_finish): Use have_multiple_function_sections.
14287 Don't clear have_location_lists.
14289 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14290 Jan Hubicka <jh@suse.cz>
14292 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14293 case of conditional jump jumping to the next instruction.
14294 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14295 cases of conditional jump jumping to the next instruction.
14297 2006-01-02 Jan Hubicka <jh@suse.cz>
14299 * i386.c (*_cost): Add COSTS_N_INSNS.
14300 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14302 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14305 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14307 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14309 * config/arm/arm.c (all_fpus): Fix comment typo.
14310 * config/darwin.c: Likewise.
14311 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14312 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14313 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14315 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14317 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14318 (rs6000_split_compare_and_swapqhi): New.
14319 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14320 (sync_compare_and_swapqhi_internal): New.
14321 * config/rs6000/rs6000-protos.h: Declare.