1 2006-08-26 Roger Sayle <roger@eyesopen.com>
3 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4 temporary visit flags on CASE_LABEL_EXPRs.
5 * c-common.c (match_case_to_enum): Add function comment. Avoid
6 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8 CASE_HIGH_SEEN for enumerated types. If the switch expression is
9 a constant, only warn if that constant value isn't handled.
11 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
14 * input.h (restore_input_file_stack): Declare.
15 (INPUT_FILE_STACK_BITS): Define.
16 * toplev.c (fs_p, input_file_stack_history,
17 input_file_stack_restored, restore_input_file_stack): New.
18 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
19 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
20 (pop_srcloc): Don't free old state of stack.
22 2006-08-26 David Edelsohn <edelsohn@gnu.org>
25 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
26 (PowerPC Type Attributes): New.
28 2006-08-26 Bob Wilson <bob.wilson@acm.org>
30 * config/xtensa/xtensa.c (function_arg_boundary): New.
31 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
33 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
34 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
36 2006-08-26 Jakub Jelinek <jakub@redhat.com>
39 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
42 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
44 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
45 (verify_local_live_at_start): Likewise.
47 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
50 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
51 omp_add_variable): Treat sizes as variable whenever not
54 2006-08-26 Richard Guenther <rguenther@suse.de>
57 * fold-const.c (fold_binary): Fold temporary to correct
58 type before constructing new comparison.
60 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
63 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
64 variable again if DECL_SEEN_IN_BIND_EXPR_P.
66 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
69 * c-decl.c (start_function): Don't try to process prototype
70 information from old declaration that isn't a function.
72 2006-08-25 Jan Hubicka <jh@suse.cz>
75 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
77 2006-08-25 Alan Modra <amodra@bigpond.net.au>
80 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
83 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
85 PR tree-optimization/16876
86 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
87 exit if PARM doesn't match VALUE.
89 2006-08-25 Bob Wilson <bob.wilson@acm.org>
91 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
92 literal_prefix directive.
93 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
94 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
95 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
97 2006-08-25 David Edelsohn <edelsohn@gnu.org>
100 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
101 predicate to general_operand. Add 0->y and I->r alternatives.
103 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
105 * doc/tm.texi: Fix a typo.
106 * predict.c: Fix comment typos.
108 2006-08-25 Nick Clifton <nickc@redhat.com>
110 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
111 assertions of "cpu" and "machine".
113 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
116 * tree-ssa-operands.c (access_can_touch_variable): Don't say
117 the access through a base which has an alias set of 0 cannot
120 2006-08-24 Bill Wendling <wendling@apple.com>
122 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
124 2006-08-24 Jan Hubicka <jh@suse.cz>
126 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
128 2006-08-24 Jan Hubicka <jh@suse.cz>
131 * cgraph.c: Fix comments.
132 (cgraph_varpool_mark_needed_node): Mark only variables not already
134 * cgraphunit.c: Update comments; include gt-cgraphunit.h
135 (cgraph_varpool_assembled_nodes_queue): New static variable.
136 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
137 (cgraph_varpool_output_debug_info): New function.
138 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
139 * Makefile.in: Add gt-cgraphunit.h
141 2006-08-24 Jan Hubicka <jh@suse.cz>
143 * predict.c (probability_reliable_p): New predicate.
144 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
145 (predict_loops): Do not predict loop exit with less than 2%
147 * basic-block.h (edge_probability_reliable_p,
148 br_prob_note_reliable_p): Declare.
149 * ia64.h (ia64_print_operand): Do not disable on-chip branch
150 prediction when static predictor is not reliable.
151 * rs6000.c (output_cbranch): Likewise.
153 2006-08-23 Stuart Hastings <stuart@apple.com>
156 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
157 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
159 2006-08-21 Geoffrey Keating <geoffk@apple.com>
162 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
163 complex values, nor for generic vector values.
165 2006-08-22 Richard Guenther <rguenther@suse.de>
168 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
169 parameter. Convert arguments to arithmetic expression to the
171 (analyze_scalar_evolution_1): Adjust caller.
173 2006-08-22 Jan Hubicka <jh@suse.cz>
175 Patch by Paolo Bonzini
176 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
179 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
181 PR tree-optimization/28003
182 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
183 before grouping aliases.
185 2006-08-22 Roger Sayle <roger@eyesopen.com>
187 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
188 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
190 2006-08-21 Jason Merrill <jason@redhat.com>
193 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
194 wrapper. Loop to handle nested wrappers.
195 (gimplify_bind_expr): Remove temp parameter.
196 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
197 and STATEMENT_LIST on the rhs.
198 (gimplify_statement_list): Voidify the STATEMENT_LIST.
199 (gimplify_expr): Pass pre_p to gimplify_statement_list.
200 (gimplify_target_expr): Remove special BIND_EXPR handling.
202 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
204 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
207 2006-08-21 Olivier Hainque <hainque@adacore.com>
209 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
210 Arrange for the temporary captures of components overlapping the lhs
211 to happen before the lhs is possibly cleared.
213 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
215 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
216 necessary places to pass the correct "number of registers" values
219 2006-08-20 Jan Hubicka <jh@suse.cz>
221 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
222 (create_name_tags): Instead of quadratic checking use hashtable.
223 * bitmap.h: Include hashtab.h.
224 (bitmap_hash): Declare.
225 * bitmap.c (bitmap_hash): New function.
227 2006-08-20 Jan Hubicka <jh@suse.cz>
229 PR rtl-optimization/28071
230 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
232 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
233 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
234 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
235 cgraph_decide_inlining_incrementally): Update use of
236 cgraph_check_inline_limits.
237 * cgraph.c (edge_hash, edge_eq): New function.
238 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
239 cgraph_edge_remove_caller, cgraph_node_remove_callees,
240 cgraph_remove_node): Maintain call site hash.
241 * cgraph.h (struct cgraph_node): Add call_site_hash.
242 (cgraph_set_call_stmt): New function.
244 2006-08-20 Jan Hubicka <jh@suse.cz>
246 PR rtl-optimization/28071
247 * reload1.c (reg_has_output_reload): Turn into regset.
248 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
249 choose_reload_regs, emit_reload_insns): Update to new
250 reg_has_output_reload.
252 2006-08-20 Jan Hubicka <jh@suse.cz>
255 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
257 * cgraphunit.c (cgraph_analyze_function): Don't do so.
259 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
262 * tree.c (handle_dll_attribute): Return early if not a
263 var or function decl.
265 2006-08-18 Joseph Myers <joseph@codesourcery.com>
268 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
269 alignment of SPE vector types.
271 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
273 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
275 2006-08-17 Jakub Jelinek <jakub@redhat.com>
278 * cgraph.h (struct cgraph_node): Remove externally_visible
280 * cgraphunit.c (process_function_and_variable_attributes): Set
281 local.externally_visible rather than externally_visible.
284 * c-common.c (handle_externally_visible_attribute): First look
285 at TREE_CODE and only if it is function or var decl, check for
286 non-public objects. Don't warn for DECL_EXTERNAL.
287 * cgraphunit.c (process_function_and_variable_attributes): Warn
288 if externally_visible attribute is used on non-public object.
290 2006-08-17 Jan Hubicka <jh@suse.cz>
292 PR tree-optimization/27865
293 * reload1.c (forget_marked_reloads): New function.
294 (forget_old_reloads_1): When data are passed, just mark the registers
296 (reload_as_needed): Use the new mechanizm.
298 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
301 * reload.h (reg_equiv_alt_mem_list): New declaration.
302 * reload1.c (reg_equiv_alt_mem_list): New definition.
303 (reload): Initialize it and release it.
304 (delete_output_reload): Use it.
305 * reload.c (push_reg_equiv_alt_mem): New function.
306 (find_reloads_toplev): Call it.
307 (find_reloads_address, find_reloads_address_1): Likewise.
308 (find_reloads_subreg_address): Likewise.
310 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
312 PR rtl-optimization/28489
313 * sched-ebb.c (begin_schedule_ready): Create basic block
315 (advance_target_bb): Skip empty blocks.
316 * haifa-sched.c (bb_note): Make global.
317 * sched-int.h (bb_note): Add prototype.
319 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
321 PR tree-optimization/27865
322 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
324 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
325 fold_used_pointer, pointer_used_p): New functions.
326 (analyze_scalar_evolution_1): Use fold_used_pointer.
327 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
328 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
331 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
334 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
335 or the INTEGER_CST. Fail on a CALL_EXPR.
336 (fold_offsetof): Pass new argument to fold_offsetof_1.
337 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
338 operand into an INDIRECT_REF.
339 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
341 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
343 PR gcov/profile/26570
344 * value-prof.c (static_values): Removed.
345 (tree_find_values_to_profile): Do not set static_values.
346 (find_values_to_profile): Do not free static_values.
347 * profile.c (instrument_values): Do not free the values.
348 (branch_prob): Free the values.
350 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
352 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
354 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
357 * c-typeck.c (build_component_ref): Combine qualifiers of
358 structure or union and field.
360 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
362 PR rtl-optimization/28071
363 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
364 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
365 * tree-into-ssa.c (struct dom_dfsnum): New.
366 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
368 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
369 compute_global_livein.
370 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
371 in phi nodes in the correct blocks.
373 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
375 PR tree-optimization/28364
376 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
378 (fold_affine_expr): New function.
379 (may_eliminate_iv): Use fold_affine_expr.
381 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
384 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
387 2006-08-16 Mike Stump <mrs@apple.com>
389 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
390 * doc/cppopts.texi (-MD): Likewise.
392 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
395 * c-common.c (handle_weak_attribute): Ignore and warn if
396 not a FUNCTION_ or VAR_DECL.
398 2006-07-15 Mike Stump <mrs@apple.com>
401 * c-parser.c (c_parser_typeof_specifier): Don't use
402 c_finish_expr_stmt, open code desired semantics instead.
404 2006-08-15 Nick Clifton <nickc@redhat.com>
406 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
407 fragment to tmake_file only if threads are enabled.
408 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
409 * config/i386/t-gthr-win32: New file. ... here.
411 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
414 * c-parser.c (c_parser_compound_statement_nostart): Reset
415 parser->error after each statement.
417 2006-08-15 Jakub Jelinek <jakub@redhat.com>
420 * omp-low.c (lower_omp_parallel): Convert t to
421 receiver_decl's type.
422 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
423 source before comparison.
426 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
427 to itype in assignment to oldival2.
429 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
433 * c-typeck.c (build_compound_expr): If the second expression
434 is an error mark, then just return an error mark instead of
435 creating a COMPOUND_EXPR.
437 2006-07-14 Mike Stump <mrs@apple.com>
439 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
441 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
443 * c-decl.c, var-tracking.c: Fix comment typos.
445 2006-08-14 Richard Sandiford <richard@codesourcery.com>
447 PR rtl-optimization/28634
448 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
449 for floating-point modes unless flag_unsafe_math_optimizations.
451 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
452 Andrew Pinski <pinskia@physics.uc.edu>
455 * tree.c (build_array_type): Unify array types with
456 unspecified index_type.
457 * c-decl.c (grokdeclarator): Make sure we do not modify a
458 unified incomplete array type.
459 * c-typeck.c (store_init_value): Create distinct type before
460 filling in the index type in an initializer from a compound
463 * c-decl.c (grokdeclarator): Remove code where we copy the
466 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
468 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
469 into account for TODO_dump_cgraph.
470 (TODO_update_ssa_no_phi): Likewise.
471 (TODO_update_ssa_full_phi): Likewise.
472 (TODO_update_ssa_only_virtuals): Likewise.
473 (TODO_remove_unused_locals): Likewise.
474 (TODO_set_props): Likewise.
475 (TODO_update_stmt_usage): Likewise.
477 2006-08-13 Dirk Mueller <dmueller@suse.de>
479 * c-common.c (strict_aliasing_warning): Fix formatting.
481 2006-08-13 Matthias Klose <doko@debian.org>
483 * doc/invoke.texi: Fix spelling errors.
485 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
487 PR rtl-optimization/23454
488 * reorg.c (relax_delay_slots): Update comment.
490 2006-08-11 Richard Guenther <rguenther@suse.de>
493 * simplify-rtx.c (simplify_const_relational_operation):
494 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
497 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
499 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
500 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
502 2006-08-10 Paul Brook <paul@codesourcery.com>
504 * final.c (final_scan_insn): Clear current_insn_predicate before
505 outputting inline asm.
507 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
509 PR tree-optimization/26197
510 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
511 get_ref_base_and_extent and overlap_subvar to add only relevant
512 subvars as may-aliases.
513 (add_may_alias_for_new_tag): New function, factored out of
515 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
516 with additional argument.
517 * tree-flow.h (new_type_alias): Takes additional argument.
519 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
521 * gcov.c (no_data_file): New flag.
522 (read_count_file): Set it if data file not present. Assume counts
524 (output_lines): Don't name the data file, if there wasn't one.
526 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
528 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
529 (rs6000_generate_compare): Tweak comments.
530 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
532 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
534 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
535 (var_debug_decl): New function.
536 (var_reg_set): Follow debug decl link. Add location even if
537 reg is already known to hold some other variable.
538 (var_mem_set): Follow debug decl link.
539 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
540 decl link. Delete other known locations of the variable part
542 (var_reg_delete, var_mem_delete): Delete other known locations
543 of the variable part if requested.
544 (same_variable_part_p): New function.
545 (add_stores): Select MO_COPY when appropriate.
546 (vt_initialize): Handle it.
547 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
548 known locations for MO_SET and MO_CLOBBER.
549 (find_variable_location_part): New function.
550 (set_variable_part, delete_variable_part): Use it.
551 (clobber_variable_part): New function.
552 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
555 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
557 PR tree-optimization/26969
558 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
559 with an empty list of PHIs.
561 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
565 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
568 2006-08-06 Andreas Schwab <schwab@suse.de>
570 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
571 string. Whitespace and comment fixup.
573 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
576 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
580 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
583 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
585 2006-08-04 Jan Hubicka <jh@suse.cz>
589 * reload.c (push_reload): Patch out the mismatching instruction;
591 (find_reload): Bail out if the instruction was patched out.
593 2006-08-04 Jan Hubicka <jh@suse.cz>
595 PR tree-optimization/24888
596 * tree-inline.c (expand_call_inline): Do not re-record variables.
597 (declare_inline_vars): Add variable to unexpanded_var_list.
599 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
600 Roger Sayle <roger@eyesopen.com>
602 PR rtl-optimization/26244
603 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
604 inner_const are negative or greater than or equal to the bitsize of
605 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
606 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
607 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
608 CONST0_RTX (mode) when the new shift count is greater than or equal to
609 to the bitsize of the object being shifted and XEXP (y, 0) has no side
612 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
614 * tree-cfg.c: Fix a comment typo.
616 2006-08-03 Mark Mitchell <mark@codesourcery.com>
619 * varasm.c (output_constant): Give the front end another chance to
620 expand constants, after stripping NOPs.
622 2006-08-03 Jan Hubicka <jh@suse.cz>
624 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
627 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
629 PR tree-optimization/27770
630 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
631 declaration removed (moved to tree-flow.h).
632 (vect_can_force_dr_alignment_p): Likewise.
633 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
634 (moved from tree-vectorizer.h).
635 (vect_can_force_dr_alignment_p): Likewise.
636 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
637 from outside the vectorizer - in particular from cgraph stage.
638 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
639 the alignment of global arrays when -fsection-anchors is enabled.
640 * cgraphunit.c (cgraph_increase_alignment): New function.
641 (cgraph_optimize): Call cgraph_increase_alignment.
643 2006-08-03 David Edelsohn <edelsohn@gnu.org>
646 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
647 not reload a SPE symbol_ref into a lo_sum address.
649 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
652 * dwarf2out.c (prune_unused_types_prune): Move call to
653 prune_unused_types_update_strings to cover the parent DIE also.
655 2006-08-02 Jan Hubicka <jh@suse.cz>
657 PR gcov/profile/28480
658 * tree-cfg.c (change_bb_for_stmt): New function.
659 (tree_merge_blocks, tree_split_blocks): Use it.
661 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
667 * toplev.c (compile_file): Return early on errorcount or sorrycount.
668 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
669 (cgraph_optimize): Likewise.
671 2006-08-01 Stuart Hastings <stuart@apple.com>
673 * rtl.h (UINTVAL) New.
674 * config/rs6000/rs6000.c (SMALL_INT) Use it.
675 * testsuite/gcc.dg/20060801-1.c: New.
677 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
680 * c-typeck.c (build_external_type): Mark used enum types.
681 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
683 (gen_subprogram_die): Whitespace fix.
685 2006-08-01 Jan Hubicka <jh@suse.cz>
687 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
688 bitmap when not needed.
689 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
692 2006-08-01 Dirk Mueller <dmueller@suse.de>
694 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
696 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
698 * Makefile.in: Revert part of previous patch:
699 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
702 2006-07-30 Eric Christopher <echristo@apple.com>
705 * doc/extend.texi (i386 Variable Attributes): Add anchor.
706 (PowerPC Variable Attributes): New section.
708 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
710 PR target/28126 (partial fix)
711 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
713 2006-07-28 Jan Hubicka <jh@suse.cz>
715 PR rtl-optimization/28071
716 * cfgrtl.c (rtl_delete_block): Free regsets.
717 * flow.c (allocate_bb_life_data): Re-use regsets if available.
719 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
721 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
722 and variables used in dependencies.
724 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
726 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
727 %fs for -mcmodel=kernel.
728 (stack_tls_protect_test_di): Likewise.
730 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
732 * Makefile.in: Use mkinstalldirs.
734 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
737 * opts-common.c (prune_options): Skip joined switches.
739 2006-07-27 Jan Hubicka <jh@suse.cz>
741 PR rtl-optimization/28071
742 * cselib.c (cselib_process_insn): Don't remove useless values too
743 often for very large hashtables.
745 2006-07-27 Jan Hubicka <jh@suse.cz>
747 PR rtl-optimization/28071
748 * global.c (greg_obstack): New obstack.
749 (allocate_bb_info): Use it.
750 (free_bb_info): Likewise.
751 (modify_reg_pav): Likewise.
753 2006-07-27 Roger Sayle <roger@eyesopen.com>
755 * builtins.c (fold_fixed_mathfn): When long and long long are the
756 same size, canonicalize llceil*, llfloor*, llround* and llrint*
757 functions to their lceil*, lfloor*, lround* and lrint* forms.
759 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
762 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
764 (rev_branch_insn): Likewise.
766 2006-07-27 Jan Hubicka <jh@suse.cz>
768 PR rtl-optimization/28071
769 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
770 (reg_set_in_bb, max_reg_computed): New static variables.
771 (regmove_optimize): Free the new array.
772 (fixup_match_1): Update call of reg_is_remote_constant_p.
774 2006-07-26 Jan Hubicka <jh@suse.cz>
776 PR tree-optimization/27882
777 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
779 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
781 (cgraph_analyze_compilation_unit): Likewise.
782 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
783 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
784 (cgraph_early_inlinine): Make order garbage collected.
785 * Makefile.in (gt-ipa-inline): New garbagecollected file.
787 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
789 * dbxout.c (output_types_sort): Add a comment.
790 (output_used_types): Free the VEC.
792 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
794 * function.c (reorder_fix_fragments): Delete.
795 (reorder_blocks): Don't call it.
796 (reorder_blocks_1): Put all subblocks under the origin block.
798 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
800 PR rtl-optimization/27907
801 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
804 2006-07-25 Roger Sayle <roger@eyesopen.com>
807 * convert.c (convert_to_integer): When transforming (T)foo(x) into
808 bar(x) check that bar's result type can represent all the values of T.
810 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
812 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
814 2006-07-25 Nick Clifton <nickc@redhat.com>
816 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
818 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
819 (ggc_pch_count_object): Likewise.
820 (ggc_pch_alloc_object): Likewise.
821 (ggc_pch_write_object): Likewise.
822 (init_ggc): Do not attempt to initialize entries in the
823 size_lookup[] array for objects whose size is greater than than
824 the length of the array.
826 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
828 * dbxout.c (output_used_types_helper): Push queued types
830 (output_types_sort): New.
831 (output_used_types): Collect used types on a VEC and sort them
834 2006-07-24 Richard Guenther <rguenther@suse.de>
837 * cgraph.c (cgraph_remove_node): Do not check if dumps
839 * cgraphunit.c (cgraph_optimize): Likewise.
841 2006-07-24 Jan Hubicka <jh@suse.cz>
843 PR rtl-optimization/28071
844 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
845 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
846 splitting before first stmt.
848 2006-07-24 Jan Hubicka <jh@suse.cz>
850 PR rtl-optimization/28071
851 * ipa-inline.c (update_caller_keys): Remove edges that
852 are no longer inline candidates.
854 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
857 * dbxout.c (output_used_types_helper, output_used_types): New.
858 (dbxout_symbol): Call output_used_types.
860 2006-07-23 Jan Hubicka <jh@suse.cz>
864 * cgraph.c (cgraph_varpool_nodes): Export.
865 (decide_is_variable_needed): Ignored "used" attribute in
867 * cgraph.h (cgraph_varpool_nodes): Declare.
868 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
871 2006-07-23 Roger Sayle <roger@eyesopen.com>
874 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
875 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
876 the __gthrw form of thr_keycreate.
877 (__gthread_key_delete): Silence the unused argument warning.
879 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
882 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
883 Cache the last found '\0' marker to avoid quadratic behavior.
885 2006-07-23 Jan Hubicka <jh@suse.cz>
887 * i386.md (subsi_3_zext): Fix output template.
889 2006-07-21 Mike Stump <mrs@apple.com>
891 * doc/invoke.texi (C++ Dialect Options): Note that
892 -fvisibility-inlines-hidden doesn't affect explicitly
893 instantiationed inline methods.
895 2006-07-20 Roger Sayle <roger@eyesopen.com>
897 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
898 if the target assembler is GNU binutils' gas.
899 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
900 whether to pass GNU gas or native as command line options.
902 2006-07-20 Jason Merrill <jason@redhat.com>
904 * tree.c (remove_attribute): New fn.
905 * tree.h: Declare it.
907 2006-07-20 Paul Brook <paul@codesourcery.com>
910 * cse.c (cse_insn): Add destination addresses to hash table. Check if
911 they are invalidated by this instruction.
913 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
916 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
918 2006-07-20 Eric Christopher <echristo@apple.com>
921 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
923 2006-07-19 Eric Christopher <echristo@apple.com>
925 * config/t-slibgcc-darwin (stmp-lipo): Remove.
926 Rewrite dependencies for libgcc_s.1.dylib.
928 2006-07-19 Jakub Jelinek <jakub@redhat.com>
930 * except.c (duplicate_eh_regions_1): Clear next_peer.
932 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
934 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
935 -mlongcall does not guarantee all calls will be long.
936 * doc/extend.texi (long_call/short_call): Document that longcall
937 does not guarantee a long call will be used.
938 (longcall/shortcall): Likewise.
940 2006-07-18 Roger Sayle <roger@eyesopen.com>
943 * expmed.c (expand_shift): Additionally check that the shift_cost
944 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
945 before implementing a LSHIFT_EXPR as a sequence of additions.
946 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
947 middle-end that DImode shifts need to be synthesized by expand.
949 2006-07-18 Diego Novillo <dnovillo@redhat.com>
952 * tree-ssa-operands.c (access_can_touch_variable): Update
954 Return true if ALIAS is .GLOBAL_VAR.
956 2006-07-18 David Daney <ddaney@avtrex.com>
958 * gcc.c (display_help): Fix typo in help text.
960 2006-07-18 Olivier Hainque <hainque@adacore.com>
962 * tree.h (categorize_ctor_elements): Adjust prototype and add
963 descriptive comment, both in accordance with the interface change
965 * varasm.c (constructor_static_from_elts_p): New function.
966 Whether a constructor node is a valid static constant initializer
967 if all its elements are.
968 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
969 * output.h: Declare it.
970 * expr.c (categorize_ctor_elements_1): Return whether the constructor
971 is a valid constant initializer instead of computing the number of
972 non-constant elements. Use constructor_static_from_elts_p for this
973 purpose. Replace the head comment with an indication that this is a
974 helper for categorize_ctor_elements.
975 (categorize_ctor_elements): Same interface change as for the _1
976 helper. Former head comment from this helper moved here, adjusted to
977 account for the interface changes.
978 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
979 (all_zeros_p): Likewise.
980 * gimplify.c (gimplify_init_constructor): Decide whether we can make
981 static versions of the constructor from the categorize_ctor_elements
982 return value instead of the formerly computed number of non-constant
985 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
987 * configure: Regenerate.
988 * Makefile.in (build_libsubdir): New configure substitution
989 (build_libobjdir): New variable.
990 (BUILD_LIBIBERTY): Use it.
992 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
995 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
997 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1000 * c-common.c (handle_weakref_attribute): Ignore attribute in
1001 the same conditions the alias attribute is ignored.
1003 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1005 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1006 (dbxout_begin_prologue): Increment scope_labelno.
1008 2006-07-17 Richard Henderson <rth@redhat.com>
1011 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1014 2006-07-17 Roger Sayle <roger@eyesopen.com>
1015 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1017 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1018 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1019 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1020 functions such as sbrk, write, etc.. Add function prototypes.
1021 Convert function declarations from K&R to ISO C. Cast pointers
1022 to "long" and "unsigned long" instead of "int" and "unsigned int".
1023 Convert tokens following #endif into comments.
1025 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1027 * invoke.texi: Remove mention of f77; Reformat table for
1028 inline parameter options correctly; mention that -malign-double
1029 is default on x86-64 targets.
1031 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1033 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1034 (convert_affine_scev, chrec_convert_aggressive): Use
1035 avoid_arithmetics_in_type_p. Do not check for the subtypes
1038 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1041 * optabs.c (expand_doubleword_shift): Wrap the call to
1042 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1044 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1047 * optabs.c (expand_binop): Pass next_methods rather than methods
1048 to expand_doubleword_shift.
1050 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1053 * tree.h (dump_addr): Declare.
1054 * print-tree.c (dump_addr): New function.
1055 (print_node_brief, print_node): Use it.
1056 * print-rtl.c (print_rtx): Likewise.
1057 * common.opt (-fdump-noaddr): New option.
1058 * doc/invoke.texi (-fdump-noaddr): Document.
1059 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1060 (ve_info_hash): Likewise.
1062 2006-07-13 Andrew Haley <aph@redhat.com>
1064 PR tree-optimization/19505
1065 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1066 edge leaving this block, make sure that the destination of this
1067 block has only one predecessor.
1069 2006-07-17 Richard Guenther <rguenther@suse.de>
1071 PR tree-optimization/28238
1072 * tree-inline.c (copy_bb): Check if we produced valid
1073 gimple copying and substituting a stmt. If not, gimplify
1076 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1078 * optabs.c (maybe_encapsulate_block): New function extracted from...
1079 (emit_libcall_block): ...here. Invoke it on the block of insns to
1080 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1081 (emit_no_conflict_block): Likewise.
1083 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1085 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1087 2006-07-15 Roger Sayle <roger@eyesopen.com>
1089 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1090 a new NOP_EXPR case of the switch statement.
1092 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1095 * stor-layout.c (place_field): Take the bit field with
1096 an excessive size into account in the ms-bitfiled case.
1099 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1100 the previous bit field.
1102 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1105 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1107 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1109 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1110 signal frames correctly even when the signal was installed with
1113 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1115 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1116 (dbxout_function_end): Use local label LFBB. Remove hook
1118 (dbxout_source_line): Use local label LFBB.
1119 (dbxout_block): Likewise.
1120 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1121 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1122 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1123 and DBX_OUTPUT_NFUN.
1125 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1127 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1129 2006-07-13 Jan Hubicka <jh@suse.cz>
1131 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1133 * output.h (align_variable): Declare.
1134 * varasm.c (align_variable): Export.
1135 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1136 when basic block changed.
1138 2006-07-13 Nick Clifton <nickc@redhat.com>
1140 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1141 walking the LOG_LINKS chain.
1143 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1145 * doc/invoke.texi (C++ Dialect Options): Explain difference
1146 between -fvisibility-inlines-hidden and setting hidden
1147 visibility explicitly.
1149 2006-07-12 Eric Christopher <echristo@apple.com>
1151 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1152 (stmp-lipo): Depend on libgcc.a.
1154 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1156 * tree.c: Fix a comment typo.
1158 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1160 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1162 (umulhisi3_r): Likewise.
1164 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1167 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1168 x < 19, vs wchar_t support.
1170 2006-07-12 Nick Clifton <nickc@redhat.com>
1172 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1173 instead of -isa=sh4.
1175 2006-07-12 Mike Stump <mrs@apple.com>
1177 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1179 2006-07-10 Eric Christopher <echristo@apple.com>
1181 * config/t-slibgcc-darwin: Rewrite.
1183 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1186 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1189 2006-07-08 Matthias Klose <doko@debian.org>
1191 * doc/sourcebuild.texi: Fix typo.
1193 2006-07-07 Mike Stump <mrs@apple.com>
1195 * toplev.c (process_options): Don't give -ffunction-sections may
1196 affect debugging warning for Mach-O.
1198 2006-07-07 James E Wilson <wilson@specifix.com>
1200 * config/mips/mips.md (cpu): Add sb1a.
1201 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1202 addition to sb1. Adjust comments to clarify SB-1A differences from
1204 (ir_sb1a_load): New. Modify bypasses to use it.
1205 (ir_sb1a_simple_alu): Likewise.
1206 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1207 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1208 (mips_issue_rate): Add PROCESSOR_SB1A.
1209 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1210 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1211 (TARGET_SB1): Add PROCESSOR_SB1A check.
1212 (TUNE_SB1): Likewise.
1214 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1215 * config/mips/mips.c (mips_store_data_bypass_p): New.
1216 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1217 store_data_bypass_p.
1219 2006-07-08 Paul Brook <paul@codesourcery.com>
1222 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1224 2006-07-07 Richard Guenther <rguenther@suse.de>
1227 * tree.h (build_one_cst): Declare.
1228 * tree.c (build_one_cst): New function.
1229 * tree-ssa-math-opts.c (get_constant_one): Remove.
1230 (insert_reciprocals): Use build_one_cst.
1231 * fold-const.c (fold_plusminus_mult): Likewise.
1233 2006-07-07 Roger Sayle <roger@eyesopen.com>
1235 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1236 * cfgloopanal.c (dump_graph): Likewise.
1237 * dojump.c (discard_pending_stack_adjust): Likewise.
1238 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1240 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1241 * function.c (finalize_block_changes): Likewise.
1242 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1243 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1244 * rtl.c (dump_rtx_statistics): Likewise.
1245 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1247 * varray.c (dump_varray_statistics): Likewise.
1248 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1249 decode_decimal64, encode_decimal128, decode_decimal128,
1250 decimal_real_to_decimal): Likewise.
1252 2006-07-07 Richard Guenther <rguenther@suse.de>
1254 PR tree-optimization/28187
1255 * tree-vrp.c (vrp_operand_equal_p): New function.
1256 (vrp_bitmap_equal_p): Likewise.
1257 (update_value_range): Use them to compare old and new
1260 2006-07-06 Roger Sayle <roger@eyesopen.com>
1262 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1263 a default case to switch statement to silence compiler warnings.
1265 2006-07-06 Roger Sayle <roger@eyesopen.com>
1268 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1269 the configured assembler supports the x87's ffreep mnemonic.
1270 * configure: Regenerate.
1271 * config.in: Regenerate.
1273 * config/i386/i386.c (output_387_ffreep): New function.
1274 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1275 (output_387_reg_move): Likewise.
1277 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1279 Port to hosts whose 'sort' and 'tail' implementations
1280 treat operands with leading '+' as file names, as POSIX
1281 has required since 2001. However, make sure the code still
1282 works on pre-POSIX hosts.
1283 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1284 which says you should use "tail -c +N" rather than "tail +Nc".
1285 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1287 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1289 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1292 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1295 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1296 PRE_{INC,DEC} of TFmode.
1298 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1299 Alan Modra <amodra@bigpond.net.au>
1302 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1305 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1308 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1309 Remove duplicate gtu.
1311 2006-07-05 Jason Merrill <jason@redhat.com>
1315 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1316 * c-common.c (handle_packed_attribute): So don't copy it here.
1317 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1319 2006-07-05 Mike Stump <mrs@apple.com>
1321 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1323 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1326 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1328 2006-07-05 Richard Guenther <rguenther@suse.de>
1331 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1332 TARGET_SSE2 targets if using SSE math.
1333 (*absdf2_1): Likewise.
1335 2006-07-05 Richard Guenther <rguenther@suse.de>
1337 PR tree-optimization/28162
1338 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1339 make sure to convert the operands to the correct type.
1341 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1343 PR tree-optimization/28218
1345 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1346 to calculate and free the dominator information.
1348 2006-07-04 Peter O'Gorman <peter@pogma.com>
1350 * mklibgcc.in: chmod 644 before ranlib during install.
1352 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1353 J"orn Rennecke <joern.rennecke@st.com>
1355 * configure.ac (.eh_frame data check): Use diff -b.
1357 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1360 * Makefile.in (BUILD_RTL): Add build/vec.o.
1361 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1362 (build/genextract): Delete.
1363 (build/genautomata): Likewise.
1365 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1368 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1369 128-bit IBM long doubles for ABI_V4.
1371 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1373 * tree.c (range_in_array_bounds_p): New predicate.
1374 * tree.h (range_in_array_bounds_p): Declare it.
1375 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1376 return a less conservative answer.
1377 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1378 and flag 'is_group'.
1379 (IS_ELEMENT_FOR_GROUP): New macro.
1380 (FOR_EACH_ACTUAL_CHILD): Likewise.
1381 (next_child_for_group): New helper function.
1382 (can_completely_scalarize_p): Take into account groups.
1383 (sra_hash_tree): Handle RANGE_EXPR.
1384 (sra_elt_eq): Likewise.
1385 (lookup_element): Be prepared for handling groups.
1386 (is_valid_const_index): Delete.
1387 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1388 instead of is_valid_const_index.
1389 <ARRAY_RANGE_REF>: New case.
1390 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1391 is_valid_const_index.
1392 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1393 (scan_dump): Dump info for groups too.
1394 (decide_instantiation_1): Likewise.
1395 (decide_block_copy): Assert that the element is not a group.
1396 Propagate decision to groups.
1397 (generate_one_element_ref): Handle RANGE_EXPR.
1398 (mark_no_warning): Iterate over actual childs.
1399 (generate_copy_inout): Likewise.
1400 (generate_element_copy): Likewise.
1401 (generate_element_zero): Likewise.
1402 (generate_element_init_1): Likewise.
1403 (dump_sra_elt_name): Handle RANGE_EXPR.
1405 2006-07-03 Roger Sayle <roger@eyesopen.com>
1407 PR tree-optimization/26251
1408 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1409 (thread_block): When optimizing for size refuse to thread jumps
1410 that would require duplication of blocks other than redirection
1413 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1415 * configure.ac: Fix thinko in previous check-in.
1416 * configure: Regenerate.
1418 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1421 * configure.ac (for lang...): Simplify nesting of conditionals.
1422 Test subdir_requires for non-enabled languages. Move processing
1423 of lang_opt_files and lang_tree_fiels below that test.
1424 * configure: Regenerate.
1425 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1427 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1429 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1431 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1433 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1436 2006-06-29 Jason Merrill <jason@redhat.com>
1443 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1444 * c-common.c (c_determine_visibility): Handle it here.
1445 * c-decl.c (finish_decl): Call c_determine_visibility for
1447 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1449 * varasm.c (default_assemble_visibility): Likewise.
1450 * c-common.c (handle_visibility_attribute): Complain about trying
1451 to give visibility to an already defined class, or trying to change
1452 declared visibility. Always attach the attribute.
1457 * attribs.c (decl_attributes): Ignore type-in-place attributes
1458 once the type has been defined.
1460 2006-06-29 Roger Sayle <roger@eyesopen.com>
1463 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1464 to indicate the cpplib has issued an error message for us.
1466 2006-06-29 Asher Langton <langton2@llnl.gov>
1469 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1470 insert a label at the end of an function under Mach-O.
1472 2006-06-29 Eric Christopher <echristo@apple.com>
1473 Evan Cheng <evan.cheng@apple.com>
1475 * predicates.md (vector_all_ones_operand): New.
1476 (nonimmediate_or_sse_const_operand): Ditto.
1477 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1478 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1479 (standard_sse_mode_p): Ditto.
1480 (standard_sse_constant_p): Add case for -1 vector.
1481 (ix86_expand_vector_move): Try to use.
1482 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1483 Call standard_sse_constant_opcode.
1484 (*movv4sf_internal): Ditto.
1485 (*movv2df_internal): Ditto.
1487 2006-06-29 Roger Sayle <roger@eyesopen.com>
1489 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1490 of XEXP to extract the operands of a MATCH_CODE rtx.
1492 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1494 * tree.c (tree_size): Do not waste tail padding in
1495 struct tree_string and make the size be the same as
1496 build_string will generate.
1498 2006-06-28 Jason Merrill <jason@redhat.com>
1501 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1502 may_aliases already in the tag's annotations to the bitmap.
1504 2006-06-28 Roger Sayle <roger@eyesopen.com>
1506 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1508 2006-06-28 Roger Sayle <roger@eyesopen.com>
1510 * genpreds.c (generate_switch_p): New function.
1511 (add_mode_tests): Push the new mode test down inside an AND expr
1512 if this allows the switch-suitable MATCH_CODE to be near the root.
1513 (write_match_code_switch): New function to write a MATCH_CODE as
1515 (write_predicate_stmts): New function to write a predicate RTX
1516 expression as a sequence of statements.
1517 (write_one_predicate_function): Use write_predicate_stmts.
1518 (write_tm_constrs_h): Likewise.
1520 2006-06-26 Fred Fish <fnf@specifix.com>
1522 * config/mips/t-sb1: New file.
1523 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1526 2006-06-26 DJ Delorie <dj@redhat.com>
1528 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1530 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1531 Jayant Sonar <jayants@kpitcummins.com>
1532 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1534 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1535 (subsi3, subsi3_1, subsi3_2): New.
1536 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1537 * config/m32c/mov.md (SI mov peephole): New.
1538 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1539 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1541 2006-06-26 Olivier Hainque <hainque@adacore.com>
1543 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1544 a CALL_EXPR target function declaration.
1546 2006-06-26 Richard Guenther <rguenther@suse.de>
1548 * tree.c (build_string): Do not waste tail padding in
1551 2006-06-26 Richard Guenther <rguenther@suse.de>
1553 * ggc-page.c (init_ggc): Add missing element to size_lookup
1557 2006-06-23 Richard Guenther <rguenther@suse.de>
1559 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1560 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1561 alignment requests instead. Add verification code.
1562 Add struct tree_function_decl and struct tree_binfo size to
1563 extra_order_size_table. Add missing element to size_lookup
1566 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1569 * fold-const.c (const_binop): Be prepared for self returning zero.
1570 Simplify code handling complex values.
1572 2006-06-24 Olivier Hainque <hainque@adacore.com>
1574 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1575 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1578 2006-06-24 Olivier Hainque <hainque@adacore.com>
1580 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1581 ARRAY_REF, so have the callback called for the low bound expression.
1583 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1585 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1586 * c-typeck.c (c_common_type): Disallow operations on decimal float
1587 types and other float types.
1588 * convert.c (convert_to_real): Don't ignore conversions involving
1589 decimal float types.
1591 2006-06-23 Olivier Hainque <hainque@adacore.com>
1593 * tree.c (max_int_size_in_bytes): New function, inspired from
1594 code in function.c:assign_temp.
1595 * tree.h (max_int_size_in_bytes): Declare.
1596 * function.c (assign_temp): Use it.
1597 * gimplify.c (create_tmp_var): Relax the assertions on the type
1598 properties, not mandating constant size any more.
1599 (force_constant_size): New static function.
1600 (gimple_add_tmp_var): Use it, forcing variable size to a
1601 constant upper bound if it is not constant on entry.
1603 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1606 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1607 for initialization and setting of one_only flag to ...
1608 (i386_pe_encode_section_info): ...here.
1609 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1610 Recheck that the symbol has not been defined.
1612 2006-06-23 Richard Guenther <rguenther@suse.de>
1614 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1615 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1616 alignment requests instead. Add verification code.
1617 Add struct tree_function_decl and struct tree_binfo size to
1618 extra_order_size_table. Add missing element to size_lookup
1621 2006-06-22 Roger Sayle <roger@eyesopen.com>
1622 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1625 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1626 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1628 2006-06-23 Ben Elliston <bje@au.ibm.com>
1630 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1631 negate dn -- manipulate it directly.
1633 2006-06-22 Roger Sayle <roger@eyesopen.com>
1634 Steven Bosscher <stevenb.gcc@gmail.com>
1637 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1638 generated by gen_move_insn to add REG_LABEL notes if necessary.
1640 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1642 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1643 (leaf_entry): Remove use of MIN_ESA.
1645 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1647 PR rtl-optimization/28121
1648 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1651 2006-06-21 DJ Delorie <dj@redhat.com>
1653 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1655 (mulhisi3_r): Likewise.
1657 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1660 * coverage.c (coverage_counter_alloc): Leave the index type
1662 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1665 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1667 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1668 section from the "Options for Code Generation Conventions".
1670 2006-06-21 Richard Henderson <rth@redhat.com>
1674 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1676 (global_symbolic_operand): Allow weak symbols, even if local_p.
1678 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1680 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1681 (find_interesting_uses_address): Punt if above function returns true.
1683 2006-06-21 Richard Guenther <rguenther@suse.de>
1685 * configure: Regenerated.
1687 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1689 * config/mips/mips.c (function_arg): Where one part of a
1690 complex argument is in registers and the other part in the stack,
1691 return a REG not a PARALLEL.
1693 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1695 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1696 when cross-compiling. Do not substitute libstdcxx_incdir.
1697 * configure: Regenerated.
1699 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1701 * varasm.c (mergeable_string_section): Check for embedded NULs and
1702 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1703 rather than TREE_STRING_LENGTH bytes.
1705 2006-06-21 Richard Guenther <rguenther@suse.de>
1707 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1708 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1711 2006-06-21 Richrad Guenther <rguenther@suse.de>
1713 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1714 Limit iteration over the dominators.
1716 2006-06-20 Roger Sayle <roger@eyesopen.com>
1718 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1719 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1721 2006-06-20 Richard Guenther <rguenther@suse.de>
1722 Michael Matz <matz@suse.de>
1724 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1726 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1727 * et-forest.h (et_free_pools): Prototype new function.
1728 * et-forest.c (et_free_tree_force): Free parent occurrence.
1729 (et_free_pools): New function.
1730 * dominance.c (free_dominance_info): Free et-forest alloc
1733 2006-06-20 Roger Sayle <roger@eyesopen.com>
1735 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1736 integer modes, attempt to directly construct an integer constant.
1738 * fold-const.c (native_encode_vector): Determine the size of each
1739 element from the vector type instead of the first vector element.
1741 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1742 if all of its elements/components are constant.
1743 (build_constructor_from_list): Likewise.
1745 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1747 PR tree-optimization/27331
1748 * tree-data-ref.c (free_data_ref): New function.
1749 (create_data_ref): Fail if the data reference has unknown access
1751 (free_data_refs): Use free_data_ref.
1753 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1756 * tree-inline.c (setup_one_parameter): Strip useless
1757 type conversion before adding it to the IR.
1758 (declare_return_variable): Likewise.
1760 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1763 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1765 2006-06-19 Mike Stump <mrs@apple.com>
1767 * tree.c (variably_modified_type_p): VM arguments don't make the
1770 2006-06-19 Richard Guenther <rguenther@suse.de>
1772 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1773 type conversions after folding.
1775 2006-06-19 Richard Guenther <rguenther@suse.de>
1777 * ggc-page.c (extra_order_size_tab): Add entries with
1778 size of struct function and basic_block.
1779 (size_lookup): Extend to cover sizes up to 511.
1780 (ggc_alloc_stat): Adjust user.
1781 (ggc_pch_count_object): Likewise.
1782 (ggc_pch_alloc_object): Likewise.
1783 (ggc_pch_write_object): Likewise.
1785 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1787 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1788 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1791 2006-06-19 Denis Chertykov <denisc@overta.ru>
1793 * config/avr/libgcc.S : Correct my wrong previous commit.
1795 2006-06-19 Roger Sayle <roger@eyesopen.com>
1798 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1799 have stripped a SUBREG from the shift count, so we may need to
1800 convert_to_mode back to the type's mode before calling make_tree.
1801 Use new_amount instead of amount to avoid expanding a tree twice.
1803 2006-06-19 Richard Guenther <rguenther@suse.de>
1806 * fold-const.c (operand_equal_p): Check if the argument types
1807 have the same precision before stripping NOPs.
1809 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1811 Fix PR tree-optimization/27341
1812 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1814 * tree-complex.c (pass_lower_complex): Update SMT usage.
1816 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1818 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1819 Add a new alternative to the constraint strings. Add move of
1820 operand 1 to 3 to the splitter definition.
1821 ("doloop_si_long"): Second contraint alternative removed.
1823 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1825 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1826 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1828 (AVR_HAVE_MOVW) Define.
1829 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1830 (ASM_SPEC): Add avr25.
1831 (LINK_SPEC): Add avr25.
1832 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1833 (base_arch_s): Add new member 'have_movw_lpmx'.
1834 (avr_arch_types): Init 'have_movw_lpmx'.
1835 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1836 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1837 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1838 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1839 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1841 (avr_file_start): Do not output '.arh' derective.
1842 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1843 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1844 * config/avr/avr.md (mcu_enhanced): Delete.
1845 (mcu_have_movw): Define.
1846 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1847 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1848 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1849 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1850 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1851 attiny861 and at86rf401 devices.
1853 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1855 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1858 2006-06-17 Karl Berry <karl@gnu.org>
1860 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1861 doc/gccint.texi, doc/install.texi (@dircategory): Use
1862 "Software development" instead of "Programming", following
1863 the Free Software Directory.
1865 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1867 * config/i386/i386.c (legitimate_tls_address)
1868 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1869 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1870 (*tls_dynamic_gnu2_combine_64): Likewise.
1872 2006-06-16 Richard Guenther <rguenther@suse.de>
1875 * fold-const.c (negate_expr_p): Do not introduce undefined
1876 overflow in negating INTEGER_CSTs.
1877 (fold_negate_expr): Rename from negate_expr. Revert last
1878 change for folding BIT_NOT_EXPR. Change semantics to
1879 return NULL_TREE for non-simplified negations. Do not
1880 strip type conversions and unify type handling.
1881 (negate_expr): New function, wrap around fold_negate_expr
1882 but ensure building a tree always. Strip type conversions
1883 here, fold to result type.
1884 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1886 2006-06-16 Roger Sayle <roger@eyesopen.com>
1889 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1890 that (would) return their results in stack registers.
1892 2006-06-16 Michael Matz <matz@suse.de>
1893 Richard Guenther <rguenther@suse.de>
1895 * fold-const.c (fold_truthop): Only return new tree node if
1896 we canonicalized something.
1898 2006-06-16 Richard Guenther <rguenther@suse.de>
1900 * function.h (enum function_frequency): Move declaration
1901 out of struct function.
1902 (struct function): Move bool fields and the enum to the bitfield
1903 section. Reorder elements to avoid padding. Remove unused
1904 fields left over from the RTL inliner removal.
1905 * function.c (free_after_compilation): Do not zero removed fields.
1906 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1907 (ipa-type-escape.o): Likewise.
1909 2006-06-16 Richard Guenther <rguenther@suse.de>
1911 * cgraph.h (struct cgraph_local_info): Turn bool elements
1913 (struct cgraph_node): Likewise.
1914 (struct cgraph_varpool_node): Likewise.
1916 2006-06-15 Richard Guenther <rguenther@suse.de>
1918 * fold-const.c (fold_truth_not_expr): Rename from
1919 invert_truthvalue. Give it fold_* semantics to avoid
1921 (invert_truthvalue): New function. Wrapper around
1922 fold_truth_not_expr.
1923 (optimize_minmax_comparison): Avoid creating garbage.
1924 (fold_unary): Use fold_truth_not_expr for folding
1926 (fold_ternary): Replace uses of invert_truthvalue with
1927 fold_truth_not_expr where applicable.
1928 * tree.h (fold_truth_not_expr): Prototype.
1930 2006-06-16 Richard Guenther <rguenther@suse.de>
1932 PR tree-optimization/27781
1933 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1934 * ipa-pure-const.c (target.h): Include.
1935 (analyze_function): Do not analyze functions that do not
1938 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1941 * tree-dfa.c (referenced_vars_dup_list): Remove.
1942 (find_referenced_vars): Remove assert.
1943 (referenced_var_check_and_insert): Replace dup list with assert.
1944 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1945 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1947 2006-06-15 Richard Guenther <rguenther@suse.de>
1949 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1950 extra unused identifiers if not dumping.
1951 (create_variable_info_for): Likewise.
1953 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1955 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1956 (derive_constant_upper_bound): Derive more precise upper bound in
1957 common cases. Return type changed to double_int.
1958 (record_estimate): Reflect the changed return type of
1959 derive_constant_upper_bound.
1960 * double-int.c (double_int_zext, double_int_sext): Fix.
1962 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1964 * configure.ac (CFLAGS): Get them from the toplevel or from the
1965 configure invocation.
1966 * configure: Regenerate.
1967 * Makefile.in (CFLAGS): Substitute value provided by configure.
1969 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1972 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1973 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1974 rather than calling add_stmt on it.
1975 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1977 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1980 * reload1.c (reload): Remove registers returned by update_eliminables
1981 from used_spill_regs.
1983 2006-06-13 DJ Delorie <dj@redhat.com>
1985 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1987 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1989 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1990 html__strip_dir, html__mkdir_p. Enhance install-html target.
1991 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1992 * configure: Regenerate.
1994 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1996 * fold-const.c (fold_cond_expr_with_comparison): Check for
1997 Objective-C++ as language in deciding COND_EXPR transformation.
1999 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2002 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2003 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2004 * config/sh/lib1funcs.h (SL, SL1): Define.
2005 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2006 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2007 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2008 (OBJS_Os_4_200): New variable.
2009 ($(T)libgcc-Os-4-200.a): Use it.
2010 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2011 when dividing 1 and/or by 0.
2013 2006-06-13 Roger Sayle <roger@eyesopen.com>
2015 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2016 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2017 * configure: Regenerate.
2019 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2021 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2022 for real instruction.
2024 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2027 * haifa-sched.c (check_cfg): Handle special case.
2029 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2032 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2033 Add debug_info parameter. Chain the vars to the BLOCK instead
2034 of the BIND_EXPR if debug info are requested for them.
2035 (pop_gimplify_context): Adjust for above change.
2036 (gimple_add_tmp_var): Likewise.
2037 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2039 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2040 (convert_local_reference): Likewise.
2041 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2042 (finalize_nesting_tree_1): Request that debug info be emitted
2043 for debug_var_chain.
2045 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2047 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2048 for PR target/27863.
2050 2006-06-13 Richard Guenther <rguenther@suse.de>
2053 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2055 2006-06-13 Richard Guenther <rguenther@suse.de>
2057 PR tree-optimization/27830
2058 * tree-inline.c (copy_body_r): For copying the operand
2059 of an ADDR_EXPR make sure to fold &* afterwards.
2061 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2063 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2064 lvalues in the fb_none case with side-effects.
2066 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2068 * tree-flow.h: Remove the prototype for
2069 compute_phi_arg_on_exit.
2070 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2071 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2074 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2076 * builtins.c (expand_builtin_return_addr): Only use
2077 frame_pointer_rtx when count == 0 and we are expanding
2078 __builtin_return_address.
2080 2006-06-12 Fred Fish <fnf@specifix.com>
2082 * config/mips/mips.c (mips_file_start): Create special section
2083 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2085 2006-06-11 Eric Christopher <echristo@apple.com>
2088 * stor-layout.c (place_field): Remove check for
2089 remaining_in_alignment when aligning at the end of a run.
2091 2006-06-11 Eric Christopher <echristo@apple.com>
2094 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2097 2006-06-11 Roger Sayle <roger@eyesopen.com>
2100 Revert incorrect fix for PR target/27158
2101 2006-05-08 Roger Sayle <roger@eyesopen.com>
2102 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2103 of a reg_equiv_constant if the result is a legitimate constant.
2105 2006-06-11 Roger Sayle <roger@eyesopen.com>
2108 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2109 extract a CONST_VECTOR element and interpret it as an integer.
2110 (vspltis_constant): Use const_vector_elt_as_int instead of the
2111 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2112 * config/rs6000/predicates.md (easy_vector_const): Consider
2113 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2115 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2118 * stor-layout.c (update_alignment_for_field): Don't add extra
2119 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2122 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2124 * config/mips/t-rtems: Add EL/EB multilib variants.
2126 2006-06-09 Mike Stump <mrs@apple.com>
2128 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2130 2006-06-09 David Daney <ddaney@avtrex.com>
2132 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2134 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2136 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2138 2006-06-09 Richard Guenther <rguenther@suse.de>
2140 PR tree-optimization/26998
2141 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2142 of signed types, only TYPE_MIN_VALUE is special, but for both,
2143 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2144 in this case, as is -fwrapv.
2146 2006-06-08 Mike Stump <mrs@apple.com>
2149 * config/darwin.c (darwin_asm_output_anchor): Disable
2150 -fsection-anchors on darwin for now.
2151 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2152 * rs6000/rs6000.c (optimization_options): Likewise.
2154 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2157 * config/i386/i386.c (classify_argument): Skip fields with invalid
2160 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2162 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2163 (cse_insn): Likewise for the stack_pointer_rtx.
2165 2006-06-08 Roger Sayle <roger@eyesopen.com>
2167 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2168 conditions from floating point comparisons.
2170 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2173 * expmed.c (struct alg_hash_entry): Fix type of field T
2174 to match synth_mult argument.
2175 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2177 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2180 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2183 2006-06-08 Richard Guenther <rguenther@suse.de>
2186 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2187 only, if overflow is defined and not trapping.
2188 (negate_expr): Likewise.
2190 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2192 PR tree-optimization/27872
2193 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2194 flag on the new exit edge of the unrolled loop.
2196 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2198 PR rtl-optimization/26449
2199 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2201 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2204 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2205 referenced_variables with matching DECL_UID's.
2206 (find_referenced_vars): Make sure duplicate list is empty to start.
2207 (referenced_var_p): Remove.
2208 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2209 Check if var is in the list, and add if needed. Update the duplicate
2210 list if a different var is in the list with the same DECL_UID.
2211 (add_referenced_var): Call routine to check and insert.
2212 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2213 * tree-flow.h (referenced_vars_dup_list): External declaration.
2215 2006-06-07 Fred Fish <fnf@specifix.com>
2217 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2220 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2223 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2224 the imaginary and real parts of a clobbered register.
2225 Emit insn to set the imaginary part.
2227 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2229 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2230 in lieu of unwind-dw2-fde.c.
2232 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2234 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2236 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2239 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2240 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2241 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2242 V4SImode temporaries and operations instead.
2244 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2246 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2249 2006-06-06 Mike Stump <mrs@apple.com>
2251 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2252 installing during build.
2254 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2256 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2258 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2259 * config/ia64/ia64.c (params.h): New header.
2260 (ia64_optimization_options): New function to adjust parameters.
2261 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2262 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2263 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2265 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2267 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2269 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2272 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2274 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2275 Victor Kaplansky <victork@il.ibm.com>
2277 PR tree-optimization/26360
2278 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2281 2006-06-04 Roger Sayle <roger@eyesopen.com>
2282 Andrew Pinski <pinskia@physics.uc.edu>
2285 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2286 for LABEL_DECL before calling DECL_WEAK.
2289 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2290 LABEL_DECL and PARM_DECL.
2292 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2296 * c-decl.c (grokdeclarator): Disallow variably modified types at
2297 file scope. Avoid marking shared array type of constant size as
2300 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2303 * c-common.c (fold_offsetof_1): Handle static members.
2305 2006-06-04 Eric Christopher <echristo@apple.com>
2307 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2308 (debug_rli): Output value for remaining_in_alignment.
2309 (update_alignment_for_field): Unconditionalize
2310 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2311 extra alignment code.
2312 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2313 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2314 * tree.h (record_layout_info_s): Remove prev_packed.
2315 * doc/extend.texi (ms_struct): Add documentation of format.
2317 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2319 * tree.h: Declare folding_initializer.
2320 * builtins.c (fold_builtin_constant_p): Give definite answer
2321 if folding inside an initializer.
2322 * fold-const.c: Define folding_initializer.
2323 (START_FOLD_INIT): Save and then set folding_initializer.
2324 (END_FOLD_INIT): Restore folding_initializer.
2326 2006-06-04 Richard Guenther <rguenther@suse.de>
2328 PR tree-optimization/27039
2329 * fold-const.c (fold_comparison): Handle pointer comparison
2330 again for all comparison codes. Compare offsets in signed
2332 (fold_binary): Move code from here.
2334 2006-06-03 Roger Sayle <roger@eyesopen.com>
2337 * config/i386/i386.c (construct_container): Split static issued_error
2338 flag into issued_sse_arg_error, issued_sse_ret_error and
2339 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2340 requires the use of x87 registers and the user explicitly
2341 specified the -mno-80387 command line option.
2343 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2345 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2346 HAVE_DECL_SIGALTSTACK.
2348 (segv_handler): Use MC_FLD.
2349 * configure.ac: Check for a sigaltstack declaration.
2350 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2351 * configure: Regenerate.
2352 * config.in: Regenerate.
2354 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2357 * Makefile.in (stmp-fixinc): Fix typo.
2359 2006-06-02 Roger Sayle <roger@eyesopen.com>
2361 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2362 are type correct. Clean-up.
2363 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2364 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2366 2006-06-01 DJ Delorie <dj@redhat.com>
2368 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2369 shift, as we've disabled the "switch" insn that needs it.
2371 2006-06-01 Per Bothner <bothner@bothner.com>
2373 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2374 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2375 * c-ppoutput.c (cb_define): Don't increment line 0.
2377 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2379 * doc/invoke.texi: Add cpu_type power6.
2380 * config.gcc: Add cpu_type power6.
2381 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2382 to power5+ with Altivec.
2383 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2384 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2386 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2388 * config/avr/avr.h (SET_ASM_OP): Define.
2390 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2392 * config/bfin/bfin.c: Fix comment typos.
2394 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2397 * doc/install.texi: Document --enable-bootstrap and
2398 --disable-bootstrap.
2400 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2402 * doc/install.texi: Document that InfoZIP can replace jar.
2404 2006-05-31 Roger Sayle <roger@eyesopen.com>
2406 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2407 isn't available, directly generate the simpler x87 patterns without
2408 the (use (const_int 0)).
2409 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2410 implementation isn't available.
2411 (*negdf2_1): Likewise.
2412 (*negxf2_1): XF mode negation is always done using the x87.
2413 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2415 2006-05-31 Roger Sayle <roger@eyesopen.com>
2417 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2418 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2420 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2422 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2424 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2425 * config/bfin/bfin.c (basic-block.h): Include.
2426 (struct machine_function): New.
2427 (bfin_init_machine_status): New.
2428 (override_options): Initialize init_machine_status.
2429 (bfin_hardware_loop): New.
2430 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2431 (DEF_VEC_P (loop_info)): New.
2432 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2433 (struct loop_info): New.
2434 (loop_info): New typedef.
2435 (struct loop_work): New.
2436 (loop_work): New typedef.
2437 (DEF_VEC_O (loop_work)): New.
2438 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2439 (bfin_dump_loops): New.
2440 (bfin_bb_in_loop): New.
2441 (bfin_scan_loop): New.
2442 (bfin_optimize_loop): New.
2443 (bfin_reorg_loops): New.
2444 (bfin_reorg): Use bfin_reorg_loops.
2445 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2447 (I_REGNO_P): Simplify.
2448 (DP_REGNO_P, DPREG_P): New macros.
2449 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2450 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2451 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2452 Add LT_REGS, LC_REGS, LB_REGS.
2453 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2455 (REGNO_REG_CLASS): Deal with loop registers.
2456 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2458 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2459 New constants for loop registers.
2460 (UNSPEC_LSETUP_END): New.
2461 (seq_insns): New define_attr. Set it for appropriate insns.
2462 (movsi_insn): Add alternatives for move from/to
2463 loop count registers.
2464 (doloop_end): New define_expand.
2465 (loop_end): New define_insn.
2466 (define_split for bad doloop_end): New.
2467 (lsetup_with_autoinit): New define_insn.
2468 (lsetup_without_autoinit): New define_insn.
2469 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2470 * config/bfin/predicates.md (lc_register_operand): New.
2471 (lt_register_operand): New.
2472 (lb_register_operand): New.
2473 (nondp_register_operand): New.
2474 (nondp_reg_or_memory_operand): New.
2475 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2477 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2479 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2480 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2482 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2484 * Makefile.in (CATALOGS): Add po/ prefix.
2485 * configure: Regenerated.
2487 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2490 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2491 a shift operand before calling shift_op. Avoid redundant call of
2494 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2495 DJ Delorie <dj@redhat.com>
2497 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2498 we're inserting is a singlt-bit constant.
2500 2006-05-30 Roger Sayle <roger@eyesopen.com>
2502 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2503 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2505 2006-05-30 Roger Sayle <roger@eyesopen.com>
2507 PR tree-optimization/23452
2508 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2509 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2510 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2511 complex values and with -ffast-math for FP complex values.
2513 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2515 * c-common.h: Remove the prototype for yyparse.
2516 * rtl.h: Remove the prototype for init_loop.
2518 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2520 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2523 2006-05-30 Roger Sayle <roger@eyesopen.com>
2525 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2527 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2528 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2530 2006-05-30 Dirk Mueller <dmueller@suse.de>
2533 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2534 for CONSTANT_CLASS_P expresisons.
2536 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2539 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2541 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2543 PR tree-optimization/27779
2544 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2545 initial_condition instead of CHREC_LEFT.
2547 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2549 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2550 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2551 Make prototypes ISO C90.
2553 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2554 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2556 * see.c (see_analyze_one_def): Correct check.
2557 (see_get_extension_data): Check if extension is parallel.
2558 (see_get_extension_reg): Likewise.
2560 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2563 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2564 into register for (code == GTU).
2566 2006-05-29 Roger Sayle <roger@eyesopen.com>
2568 PR tree-optimization/24964
2569 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2570 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2571 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2572 abs(x)*abs(x) as x*x for scalar floating point modes.
2574 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2577 * lambda-code.c (perfect_nestify): Don't copy statements
2578 in the inner loop: move them to the inner loop header.
2580 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2583 * c-tree.texi: Document OpenMP directives and clauses.
2585 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2587 * varasm.c (globalize_decl): Fix indentation.
2589 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2592 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2593 pass_fre, pass_store_ccp, pass_copy_prop,
2594 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2595 pass_return_slot, pass_object_size, pass_lim,
2596 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2597 pass_loop_prefetch and pass_stdarg.
2599 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2601 * config/bfin/bfin.opt (mfdpic): New option.
2602 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2603 (EXTRA_MULTILIB_PARTS): Likewise.
2604 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2605 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2607 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2608 (CRT_CALL_STATIC_FUNCTION): New.
2609 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2611 (CRT_CALL_STATIC_FUNCTION): New.
2612 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2614 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2615 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2616 (initialize_trampoline): Changed to handle FD-PIC code generation.
2617 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2618 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2619 (override_options): Disallow -mid-shared-library -mfdpic combination.
2620 Can't do unaligned ops if FD-PIC.
2621 Turn off flag_pic if trying to generate non-id-shared-library
2622 non-fdpic code, since it's not supported.
2623 (bfin_assemble_integer): New function.
2624 (TARGET_ASM_INTEGER): Define.
2625 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2627 * config/bfin/crtn.s: Restore them.
2628 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2630 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2631 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2632 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2633 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2634 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2636 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2637 FDPIC_REGS and FDPIC_FPTR_REGS.
2638 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2639 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2640 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2641 (load_funcdescsi): New pattern.
2642 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2643 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2644 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2646 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2648 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2651 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2653 * tree-flow.h: Remove the prototype for add_type_alias.
2654 * tree-ssa-alias.c (add_type_alias): Remove.
2656 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2658 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2659 config/fr30/fr30.md, config/i386/i386-interix.h,
2660 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2661 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2662 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2663 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2664 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2665 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2666 Follow spelling conventions.
2667 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2668 Follow spelling conventions.
2670 2006-05-27 Richard Guenther <rguenther@suse.de>
2673 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2674 to produce a constant of value 1 of generic type.
2676 2006-05-27 Dirk Mueller <dmueller@suse.de>
2678 * cgraphunit.c (decide_is_function_needed): Fix wrong
2681 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2683 PR rtl-optimization/27661
2684 * reload.c (find_reloads): When reloading a VOIDmode constant
2685 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2686 use Pmode as mode of the reload register.
2688 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2690 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2691 is enabled at -O and above.
2693 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2696 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2699 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2702 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2703 for anonymous variables explicitly declared by front ends.
2705 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2707 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2708 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2709 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2710 ref-all pointers, run a finalization pass for them.
2711 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2712 (finalize_ref_all_pointers): New function.
2713 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2714 regular pointer type to a ref-all pointer type.
2715 (get_tmt_for): Return the special memory tag for ref-all pointers.
2717 2006-05-25 Richard Guenther <rguenther@suse.de>
2720 * fold-const.c (fold_binary): Do not look at the stripped
2721 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2723 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2725 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2726 for LT and GT if the computed range is effectively empty.
2728 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2731 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2732 mips_quad_format formats instead of ieee_single_format,
2733 ieee_double_format and ieee_quad_format formats, respectively.
2735 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2737 PR tree-optimization/27639
2738 PR tree-optimization/26719
2739 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2740 call to scev_probably_wraps_p.
2741 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2742 used_in_pointer_arithmetic_p, convert_step): Removed.
2743 (nowrap_type_p): New function.
2744 (scev_probably_wraps_p): Rewritten.
2745 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2746 chrec_convert if chrec_convert_aggressive might have been used.
2747 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2748 scev_direction): New functions.
2749 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2750 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2751 instead of convert_step.
2752 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2753 (convert_step): Declaration removed.
2754 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2756 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2758 * df-core.c: Added to header comments.
2759 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2760 df_ur_bb_info, df_urec_bb_info): Added comments.
2761 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2762 urec, ri problems): Fixed header comments.
2763 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2764 code from df_rd_transfer_function.
2766 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2768 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2769 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2770 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2772 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2774 * expr.c (undefined_operand_subword_p): New.
2775 (emit_move_multi_word): Do not generate move from undefined bits
2776 of a paradoxical subreg.
2778 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2780 PR rtl-optimization/27736
2781 * combine.c (replaced_rhs_value): New variable.
2782 (combine_instructions): Set it.
2783 (distribute_notes): When distributing a note in replaced_rhs_insn,
2784 check whether the value was used in replaced_rhs_value.
2786 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2789 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2790 add_referenced_var instead of add_referenced_tmp_var.
2791 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2792 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2794 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2795 tree_optimize_tail_calls_1): Use add_referenced_var.
2796 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2797 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2798 Use add_referenced_var.
2799 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2800 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2801 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2802 Use add_referenced_var.
2803 * tree-dfa.c (struct walk_state): Remove.
2804 (find_referenced_vars): Remove walk state and vars_found hash table.
2805 (make_rename_temp): Use add_referenced_var.
2806 (find_vars_r): Pass less parameters to add_referenced_var.
2807 (referenced_var_p): New. Is var in referenced_var hash table.
2808 (referenced_var_insert): Assert var isn't already in hash table.
2809 (add_referenced_var): Don't need walk_state parameter. Add var if it
2810 isn't already in the hash table.
2811 (add_referenced_tmp_var): Remove.
2812 (find_new_referenced_vars_1): Use add_referenced_var.
2813 * tree-ssa-pre.c (create_expression_by_pieces,
2814 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2815 Use add_referenced_var.
2816 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2817 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2818 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2820 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2821 vect_create_data_ref_ptr, vect_create_destination_var,
2822 vect_init_vector, vect_build_loop_niters,
2823 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2824 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2825 Use add_referenced_var.
2826 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2827 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2828 (add_referenced_var): Add prototype.
2829 * tree-ssa-structalias.c (get_constraint_for,
2830 intra_create_variable_infos): Use add_referenced_var.
2832 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2834 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2835 big-endian paradoxical subregs.
2836 * var-tracking.c (struct micro_operation_def): Document that,
2837 for modify micro operations, insn is the subsequent instruction.
2838 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2839 (var_reg_set, var_mem_set): ... new functions.
2840 (add_stores): Record subsequent insn.
2841 (compute_bb_dataflow): Use new functions for MO_USE.
2842 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2843 notes after the insn, and modify notes before the insn known
2844 to be the subsequent one.
2845 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2847 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2850 * config/i386/i386.c (ix86_expand_builtin): Use
2851 gen_sse3_monitor64 for TARGET_64BIT.
2853 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2855 PR rtl-optimization/26375
2856 PR rtl-optimization/26855
2857 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2859 (df_ru_bb_local_compute): Reversed statements and removed bogus
2860 comment explaining why they should be in wrong order.
2861 (df_ru_dump, df_rd_dump): Enhanced debug info.
2862 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2864 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2865 reaching uses and fixed space problem.
2867 2006-05-23 Jan Hubicka <jh@suse.cz>
2869 * cgraphunit.c (decide_is_function_needed): Also nested functions
2870 and functions declared inline can be optimized out at -O0.
2872 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2874 * doc/install.texi (Configuration): Remove reference to CrossGCC
2878 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2881 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2882 ix86_compare_emitted is non-NULL.
2884 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2887 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2890 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2892 PR rtl-optimization/25514
2893 * combine.c (replaced_rhs_insn): New variable.
2894 (combine_instructions): Set replaced_rhs_insn when trying to replace
2895 a SET_SRC with a REG_EQUAL note.
2896 (distribute_notes): Use replaced_rhs_insn when determining the live
2897 range of a REG_DEAD register.
2899 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2900 Anatoly Sokolov <aesok@post.ru>
2902 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2903 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2904 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2905 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2906 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2907 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2908 at90usb647, at90usb1286 and at90usb1287 devices.
2909 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2910 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2912 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2914 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2916 2006-05-22 Richard Guenther <rguenther@suse.de>
2919 2006-01-31 Richard Guenther <rguenther@suse.de>
2920 Paolo Bonzini <bonzini@gnu.org>
2922 * doc/install.texi (--disable-libgcc-math): Document.
2924 2006-05-22 Richard Guenther <rguenther@suse.de>
2927 2006-01-31 Richard Guenther <rguenther@suse.de>
2929 * doc/invoke.texi (-msselibm): Document.
2930 * target.h (expand_library_builtin): New target hook.
2931 * builtins.c (expand_builtin): Use expand_library_builtin.
2932 (default_expand_library_builtin): New function.
2933 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2934 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2935 (link_gcc_math_spec): Declare.
2936 (static_specs): Add link_gcc_math_spec.
2937 * expr.h (default_expand_library_builtin): Declare.
2938 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2939 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2940 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2941 * config/i386/i386.opt (msselibm): New target option.
2942 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2943 (ix86_init_sse_abi_builtins): New function.
2944 (ix86_expand_library_builtin): Likewise.
2945 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2946 (override_options): Handle error conditions wrt -msselibm.
2947 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2948 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2949 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2952 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2955 * c-common.c (self_promoting_args_p): Skip erroneous args.
2958 * c-decl.c (finish_struct): Skip erroneous fields.
2960 2006-05-22 Nick Clifton <nickc@redhat.com>
2962 * config/cris/cris.opt (march): Remove VarExists attribute.
2963 (max-stackframe=): Likewise.
2965 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2967 * doc/rtl.texi: Fix a typo.
2968 * see.c: Fix comment typos.
2970 * tree-ssa-structalias.h (alias_info): Remove num_references.
2972 2006-05-21 Mike Stump <mrs@apple.com>
2974 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2976 (darwin_pragma_options): Use BAD instead.
2977 (darwin_pragma_unused): Likewise.
2978 (darwin_pragma_ms_struct): Likewise.
2980 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2982 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2984 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2986 PR rtl-optimization/27671
2987 * simplify-rtx.c (simplify_relational_operation_1): Fix
2988 simplifications of (eq/ne (xor x y) y) and
2989 (eq/ne (xor x y) x).
2991 PR tree-optimization/26622.
2992 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2995 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2997 * tree-cfg.c: Prune whitespace.
2998 (debug_tree_cfg): Point to correct header containing the
3001 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3004 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3006 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3009 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3010 or sorry count is non zero.
3012 2006-05-20 Andreas Schwab <schwab@suse.de>
3014 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3016 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3017 Kenneth Zadeck <zadeck@naturalbridge.com>
3019 PR rtl-optimization/26855
3021 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3023 (df_scan_alloc): Added code to properly handle multiword hard
3024 registers and add all_blocks parameter.
3025 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3026 code to properly handle multiword hard registers.
3027 (df_rescan_blocks): Added code to remove deleted blocks from
3029 (df_ref_create_structure, df_ref_record): Added code to properly
3031 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3032 and set DF_REF_PARTIAL.
3033 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3034 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3035 (df_scan_add_problem): Added flags parameter.
3036 (df_ref_create_structure): Changed switching structure.
3037 (df_bb_refs_record): Fixed case where duplicate artificial refs
3038 were created. Changed location of flags.
3039 (df_record_entry_block_defs): Added code to make stack pointer
3040 live in entry block. Refined cases where frame pointer is needed.
3041 Changed location of flags.
3042 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3043 (df_set_state): Removed function.
3044 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3045 df_insn_create_insn_record, df_insn_refs_delete,
3046 df_ref_create_structure): Formatting changes.
3047 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3048 df_delete_basic_block): New function.
3049 (df_init): Changed location of flags.
3050 (df_add_problem): Added flags parameter and the way flags are
3052 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3053 debug_df_chain): Improved debugging output.
3054 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3055 (df_refs_chain_dump): Removed df parameter.
3056 (df_iterative_dataflow): Added consistency check.
3057 (df_prune_to_subcfg): Made public.
3058 (df_analyze_problem): Added blocks_to_init parameter and made
3060 (df_ref_record, df_bb_refs_record, df_mark_reg,
3061 df_record_exit_block_uses): Whitespace changes.
3062 (df_dump): Whitespace changes.
3063 * df.h: Some reordering to remove forward references.
3064 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3065 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3066 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3067 (dataflow.flags): New field.
3068 (df.flag): Deleted field.
3069 (df_alloc_function): Added additional bitmap parameter.
3070 (df_dependent_problem_function): New type.
3071 (df_problem.changeable_flags): New field.
3072 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3073 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3074 (df_mw_hardreg): New struct.
3075 (DF_INSN_UID_MWS): New macro.
3076 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3078 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3079 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3080 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3081 (df_set_state): Removed function.
3082 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3083 * df-problems.c (df_chain_dump): Removed df parameter.
3084 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3085 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3087 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3088 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3089 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3090 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3091 DF_REF_MUST_CLOBBER cases.
3092 (df_ru_bb_local_compute_process_def,
3093 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3094 df_lr_bb_local_compute, df_ur_bb_local_compute,
3095 df_chain_create_bb): Made subreg aware.
3096 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3097 df_lr_bb_local_compute, df_lr_bb_local_compute,
3098 df_chain_create_bb): Cleanup to use proper macros.
3099 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3100 code to fixup bitvectors.
3101 (df_ri_alloc): Cleared lifetime.
3102 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3103 df_create_unused_note): New function.
3104 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3105 REG_DEAD and REG_UNUSED notes as well as register information.
3106 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3107 df_chains_dump): Fixed crash if problem was never run.
3108 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3109 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3110 df_ri_add_problem): Processes flags in uniform manner.
3111 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3112 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3113 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3114 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3115 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3116 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3117 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3118 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3119 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3120 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3121 * see.c (see_initialize_data): Ditto.
3122 * final.c (rest_of_clean_state) Added regstack_completed.
3123 * rtl.h (regstack_completed): Ditto.
3124 * reg-stack.c (regstack_completed): Ditto.
3126 2006-05-19 Mike Stump <mrs@apple.com>
3128 * c-tree.h (default_conversion): Remove.
3129 * c-common.h (default_conversion): Add.
3131 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3133 * tree-vrp.c (valid_value_p): New function.
3134 (adjust_range_with_scev): Fail if the value of bound is not
3137 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3139 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3140 (mips_fallback_frame_state): Use syscall numbers to determine
3141 the appropriate li instruction for the current ABI. Only use
3142 __NR_sigreturn for o32.
3144 2006-05-19 Nicolas Setton <setton@adacore.com>
3146 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3147 * langhooks.c (lhd_dwarf_name): New function.
3148 * langhooks-def.h (lhd_dwarf_name): Declare.
3149 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3150 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3151 * ada/misc.c (gnat_dwarf_name): New function.
3152 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3154 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3156 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3158 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3159 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3160 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3161 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3162 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3163 determine the size of Wtype, etc.
3164 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3165 (swfloatfuncs): New variable.
3166 (dwfloatfuncs): Likewise.
3167 (lib2funcs): Remove floating-point conversion functions from
3168 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3169 the set of conversion routines needed. Allow entries to specify
3170 an object name, filename and word size. Update users accordingly.
3171 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3172 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3176 2006-02-08 Roger Sayle <roger@eyesopen.com>
3179 * config/fixtfdi.c: New libgcc source file.
3180 * config/fixunstfdi.c: New source file.
3181 * config/floatditf.c: New source file.
3182 * config/floatunditf.c: New souce file.
3183 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3184 files above instead of config/mips/_tilib.c.
3185 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3187 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3189 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3190 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3192 2006-05-18 Mike Stump <mrs@apple.com>
3194 Fix up vla, vm and [*] sematics.
3200 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3201 (c_vla_unspec_p): Add.
3202 (c_vla_type_p): Add.
3203 * c-decl.c (struct c_scope): Add had_vla_unspec.
3204 (build_array_declarator): Add support for [*].
3205 (grokdeclarator): Likewise.
3206 (grokparms): Likewise.
3207 (get_parm_info): Likewise.
3208 * c-objc-common.c (c_vla_unspec_p): Likewise.
3209 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3210 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3211 typeof when argument is a variably modified type not inside sizeof or alignof.
3212 (c_parser_direct_declarator_inner): Propagate errors.
3213 (c_parser_sizeof_expression): Add support for [*].
3214 (c_parser_parms_declarator): Initialize had_vla_unspec.
3215 (c_parser_parms_list_declarator): Likewise.
3216 * c-typeck.c (c_vla_type_p): Add.
3217 (composite_type): Add support for vla compositing.
3218 (comptypes_internal): Add support for vla compatibility.
3219 (c_expr_sizeof_expr): Evaluate vla arguments.
3220 * tree.c (variably_modified_type_p): Update comment for [*].
3222 2006-05-18 Michael Matz <matz@suse.de>
3225 * config.host: Make assignments to host_xmake_file cumulative.
3226 * config.host (*-darwin*): Test $host, not $target.
3228 2006-05-12 Stuart Hastings <stuart@apple.com>
3230 * config/i386/i386.opt (-mstackrealign): New flag.
3231 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3232 (ix86_handle_cconv_attribute): Emit error when
3233 force_align_arg_pointer attribute collides with too many regparms.
3234 (ix86_function_regparm): Limit regparms when used with
3235 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3236 Support stack-realigning prologue in non-main functions. Emit
3237 warning for nested functions under -mstackrealign, emit error for
3238 nested functions with force_align_arg_pointer attribute.
3239 * doc/extend.texi (force_align_arg_pointer): Document it.
3240 * doc/invoke.texi (-mstackrealign): Document it.
3242 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3244 PR rtl-optimization/27477
3245 * combine.c (try_combine): Don't split a parallel consisting
3246 of two sets into two individual sets if both sets reference
3249 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3251 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3252 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3254 * doc/options.texi (VarExists): Updated.
3256 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3258 * unwind-dw2.c: Add declarations for uw_update_context and
3260 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3261 detected, advance frame state and context once to skip over stub.
3263 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3267 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3268 Call rewrite_into_loop_closed_ssa only when something changed.
3269 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3270 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3271 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3272 Test for perfect_nest_p here. Fix formating.
3273 (replace_uses_equiv_to_x_with_y): Fix formating.
3274 (stmt_uses_op): Removed.
3275 (can_convert_to_perfect_nest): Removed loopivs parameter.
3276 Complete the test by checking the scalar dependences.
3277 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3280 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3283 From Dan Kegel <dank@kegel.com>:
3284 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3286 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3288 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3289 if the element type is variably modified without recursing.
3291 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3294 * tree-loop-linear.c (try_interchange_loops): Test for
3295 no data dependences.
3297 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3299 PR tree-optimization/27548
3300 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3301 range of ssa names that appear on abnormal edges.
3302 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3303 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3305 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3308 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3310 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3313 * tree.h (OMP_PARALLEL_COMBINED): Define.
3314 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3315 (new_omp_context): Add is_combined_parallel argument.
3316 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3317 new_omp_context caller.
3318 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3319 Adjust gimplify_scan_omp_clauses callers.
3320 (omp_is_private): Issue errors if iteration variable is firstprivate
3321 or reduction in the current context.
3322 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3323 on combined parallel workshare constructs.
3325 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3327 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3328 (gcc-options.o): New rule.
3330 * optc-gen.awk: Protect variables for gcc-options.o with
3331 #ifdef GCC_DRIVER/#endif.
3333 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3335 Fix PR tree-optimization/27373
3336 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3337 (forward_propagate_addr_expr): Update call.
3339 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3341 * doc/options.texi: Move the Negative option.
3343 2006-05-16 Richard Guenther <rguenther@suse.de>
3345 PR tree-optimization/22303
3346 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3348 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3349 ccp_fold did not simplify the statement.
3351 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3354 * Makefile.in (GCC_OBJS): New.
3355 (OBJS-common): Add opts-common.o.
3356 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3357 (cpp$(exeext)): Likewise.
3358 (gcc.o): Also depend on opts.h.
3359 (opts-common.o): New.
3361 * common.opt (gcoff): Add Negative(gdwarf-2).
3362 (gdwarf-2): Add Negative(gstabs).
3363 (gstabs): Add Negative(gstabs+).
3364 (gstabs+): Add Negative(gvms).
3365 (gvms): Add Negative(gxcoff).
3366 (gxcoff): Add Negative(gxcoff+).
3367 (gxcoff+): Add Negative(gcoff).
3368 * config/i386/i386.opt (m32): Add Negative(m64).
3369 (m64): Add Negative(m32).
3371 * doc/options.texi: Document the Negative option.
3373 * gcc.c: Include "opts.h".
3374 (main): Call prune_options after expandargv.
3376 * optc-gen.awk: Generate common declarations for all flag
3377 variables in options.c. Output the neg_index field.
3379 * opts.c (find_opt): Moved to ...
3380 * opts-common.c: Here. New file.
3382 * opts.h (cl_option): Add a neg_index field.
3384 (prune_options): Likewise.
3386 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3389 * omp-low.c (expand_omp_parallel): Don't assert
3390 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3391 instead search for it.
3394 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3397 2006-05-16 Andreas Schwab <schwab@suse.de>
3399 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3402 2006-05-15 Roger Sayle <roger@eyesopen.com>
3405 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3406 integer constants other than zero are only legitimate on TARGET_64BIT.
3407 <CONST_VECTOR> Only zero vectors are legitimate.
3408 (ix86_cannot_force_const_mem): Integral and vector constants can
3409 always be put in the constant pool.
3411 2006-05-16 DJ Delorie <dj@redhat.com>
3413 * crtstuff.c (__dso_handle): Set section from
3414 TARGET_LBIGCC_SDATA_SECTION if defined.
3415 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3416 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3418 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3421 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3424 2006-05-16 Ben Elliston <bje@au.ibm.com>
3426 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3428 2006-05-15 Per Bothner <per@bothner.com>
3430 * tree.c: (last_annotated_node): Use source_locus typedef.
3431 This permits bootstrapping with --enable-mapped-location.
3433 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3435 PR tree-optimization/26830
3436 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3437 (info_for_ssa_name, current_info_for_ssa_name_age,
3438 blocks_to_update): New variables.
3439 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3440 (clear_ssa_name_info, initialize_flags_in_bb,
3441 mark_block_for_update): New functions.
3442 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3443 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3444 prepare_def_site_for): Use mark_block_for_update.
3445 (mark_def_interesting): Assert that the processed block is marked in
3446 blocks_to_update. Do not take blocks argument.
3447 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3449 (rewrite_update_init_block, rewrite_update_stmt): Only process
3450 blocks with statements to rewrite.
3451 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3452 (update_ssa): Initialize and free blocks_to_update. Do not
3453 clear flags on statements. Do not use blocks bitmap.
3454 * tree.h (SSA_NAME_AUX): Removed.
3455 (struct tree_ssa_name): Removed aux field.
3456 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3458 2006-05-15 Richard Guenther <rguenther@suse.de>
3460 PR tree-optimization/27603
3461 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3462 Do computations in original type.
3464 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3466 * see.c: Code style changes such as redundant paranthesis,
3467 redundant intialization of local variables etc.
3468 (see_main): Declared now as static.
3469 * doc/invoke.texi: Update that -fsee is not enabled by
3472 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3474 * omp-low.c (check_omp_nesting_restrictions): New function.
3475 (scan_omp_1): Call it.
3478 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3479 construct, return *VAR.
3481 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3483 PR rtl-optimization/27406
3484 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3487 2006-05-14 Roger Sayle <roger@eyesopen.com>
3489 PR rtl-optimization/27538
3490 * combine.c (expand_compound_operation): Call gen_lowpart
3491 before calling simplify_shift_const.
3493 2006-05-14 Roger Sayle <roger@eyesopen.com>
3495 PR rtl-optimization/22563
3496 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3497 a fixed width bitfield, always force the intermediates into psuedos.
3499 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3502 * mkconfig.sh: Use operator = instead of == for test.
3504 2006-05-13 Nick Clifton <nickc@redhat.com>
3506 * dwarf2out.c (dbx_reg_number): Check return value from
3507 LEAF_REG_REMAP and only use it if it is valid.
3508 (multiple_reg_loc_descriptor): Likewise.
3510 2006-05-13 Richard Guenther <rguenther@suse.de>
3512 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3515 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3517 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3518 information attached to non-INSNs such as NOTEs.
3519 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3521 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3523 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3525 * config/s390/s390.md: Adjust comment describing On constraint.
3527 2006-05-11 Jan Hubicka <jh@suse.cz>
3529 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3530 to be output at -O0.
3532 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3535 * fold-const.c (size_binop): Move sanity check for arguments to
3536 the beginning of the function.
3539 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3542 2006-05-11 Richard Guenther <rguenther@suse.de>
3545 * fold-const.c (fold_unary): Handle intermediate conversion
3546 to a pointer type like intermediate conversion to an integer
3547 type in folding of (T1)(T2)var to var.
3548 Match the code to the comment in the final conversion for
3549 (T1)(T2)var to (T1)var regarding to type precision. Rather
3550 than disallow T1 being of pointer type, assert that both T1
3551 and var are of pointer type or not. Make sure not to fall
3552 over the frontends lazyness wrt array to pointer decay though.
3554 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3556 * arm.c (arm_struct_value_rtx): Delete.
3557 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3558 (arm_init_cumulative_args): Always initialize nregs to zero.
3560 2006-05-10 Richard Guenther <rguenther@suse.de>
3562 PR tree-optimization/27532
3563 * tree-object-size.c (plus_expr_object_size): Fix typo.
3565 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3568 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3569 ashrdi_const, ashrdi3): Use a scratch register.
3571 2006-05-10 Richard Guenther <rguenther@suse.de>
3573 PR tree-optimization/27302
3574 * fold-const.c (operand_equal_p): For two comparisons,
3575 try comparison of one comparison code swapped if that yields
3578 2006-05-10 Ben Elliston <bje@au.ibm.com>
3580 * tree-pretty-print.c (pretty_print_string): No need to handle
3581 '\0' as a special character.
3583 * tree.h: Include "hashtab.h".
3584 (iterative_hash_expr): Use hashval_t in its prototype.
3585 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3587 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3590 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3591 (hppa*64*-*-hpux11*): Ditto.
3592 (hppa[12]*-*-hpux11*): Ditto.
3594 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3597 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3599 2006-05-09 Michael Matz <matz@suse.de>
3601 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3602 host_extra_gcc_objs and host_xmake_file.
3603 (<*-*-linux*>): Don't overwrite host_xmake_file.
3604 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3605 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3606 (host_detect_local_cpu): Declare.
3607 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3608 * config/i386/i386.c (override_options): Handle -mtune=native
3610 * config/i386/x-i386: New file.
3611 * config/i386/driver-i386.c: New file.
3612 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3615 2006-05-09 Dirk Mueller <dmueller@suse.de>
3616 Richard Guenther <rguenther@suse.de>
3619 * fold-const.c (fold_read_from_constant_string): Relax check
3620 for matching types to matching modes.
3622 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3624 PR rtl-optimization/27335
3625 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3628 2006-05-08 Chao-ying Fu <fu@mips.com>
3629 Richard Sandiford <richard@codesourcery.com>
3631 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3632 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3633 * config/mips/mips.md (UNSPEC_SCC): New constant.
3634 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3635 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3636 (mips_emit_compare): Use it.
3637 (mips_expand_vcondv2sf): New function.
3639 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3641 Fix PR tree-optimization/27093
3642 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3643 renaming when they become not-used_alone.
3645 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3647 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3648 relocation and relocation stubs.
3650 2006-05-08 Eric Christopher <echristo@apple.com>
3652 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3655 2006-05-08 Jan Hubicka <jh@suse.cz>
3658 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3659 unused static functions are needed.
3661 2006-05-08 Roger Sayle <roger@eyesopen.com>
3664 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3665 of a reg_equiv_constant if the result is a legitimate constant.
3667 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3670 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3671 standard 80387 constants, raise the cost to prevent
3672 compress_float_constant() to generate load from memory.
3674 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3676 * config/arm/constraints.md (c): Fix a typo.
3678 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3681 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3684 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3686 (_mm_mwait): Likewise.
3688 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3690 (sse3_monitor): Make it 32bit only.
3691 (sse3_monitor64): New. 64bit monitor.
3693 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3696 * config/i386/i386.c (classify_argument): Skip fields with invalid
3699 2006-05-07 Richard Guenther <rguenther@suse.de>
3701 PR tree-optimization/27409
3702 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3703 Do not try to find zero-sized subvars.
3705 2006-05-07 Richard Guenther <rguenther@suse.de>
3707 PR tree-optimization/27136
3708 * tree-ssa-loop-niter.c (get_val_for): Correct function
3709 comment, assert requirements.
3710 (loop_niter_by_eval): Stop processing if the iterated
3711 value did not simplify.
3713 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3715 * opts.c (flag_see): remove its setting at -O3.
3717 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3719 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3720 * arm/constraints.md: New file.
3721 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3722 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3723 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3724 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3725 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3726 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3727 * arm.md: Include constraints.md.
3728 (thumb_movsi_insn): Use satisfies_constraint_J.
3729 (movhi, movqi): Use satisfies_constraint_I.
3731 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3733 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3734 for atmeg a645 device.
3736 2006-05-06 Richard Guenther <rguenther@suse.de>
3738 PR tree-optimization/27151
3739 * tree-vect-transform.c (vectorizable_condition): Punt on
3740 values that have a different type than the condition.
3742 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3745 * c-parser.c (c_parser_cast_expression): Only insert casts into
3746 hash table if pointer.
3747 * function.c (used_types_insert_helper): Rename from
3749 (used_types_insert): Call used_types_insert_helper.
3750 * function.h (used_types_insert): Accept only one argument.
3752 2006-05-05 David Edelsohn <edesohn@gnu.org>
3754 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3755 scratch with output modifier.
3757 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3760 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3761 with output modifier.
3763 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3766 * config/mips/mips.c (mips_symbolic_address_p): Return true
3767 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3768 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3770 2006-05-04 Richard Guenther <rguenther@suse.de>
3772 PR tree-optimization/14287
3773 PR tree-optimization/14844
3774 PR tree-optimization/19792
3775 PR tree-optimization/21608
3776 PR tree-optimization/27090
3777 * tree-ssa-pre.c (try_combine_conversion): New function.
3778 (compute_avail): After constructing the value-handle
3779 expression, use try_combine_conversion to combine NOP_EXPRs
3780 with previous value-handle expressions and use the result if it
3783 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3785 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3787 2006-05-04 Jan Hubicka <jh@suse.cz>
3790 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3792 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3794 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3795 that this only matches CONST_INTs. All users changed to VOIDmode
3798 * config/bfin/bfin.c: Include "optabs.h".
3799 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3801 (enum bfin_builtins): Add a number of fractional and vector builtins.
3802 (bfin_init_builtins): Likewise.
3803 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3804 (safe_vector_operand, bfin_expand_binop_builtin,
3805 bfin_expand_unop_builtin): New functions.
3806 (bfin_expand_builtin): Handle the new builtins.
3807 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3810 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3813 * Makefile.in (OBJS-common): Add see.o.
3814 (see.o): Add dependencies.
3815 * common.opt (fsee): New flag for the see optimization was added.
3816 * opts.c (flag_see): Initialized.
3817 * passes.c (init_optimization_passes, pass_see): New pass.
3818 * rtl.h (see_main): Declaration as extern.
3819 * timevar.def (TV_SEE): New.
3820 * tree-pass.h (pass_see): Declaration as extern.
3821 * invoke.texi (-fsee): Document.
3822 * recog.c (validate_simplify_insn): New function.
3823 * recog.h (validate_simplify_insn): Declaration as extern.
3824 * df-problems.c (df_chain_dump): Check for NULL.
3826 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3827 Daniel Berlin <dberlin@dberlin.org>
3829 * cfgrtl.c (insert_insn_bb_end_new): New function.
3830 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3832 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3834 * df.h (struct web_entry): Moved from web.c.
3835 (union_defs): Declaration as extern.
3836 (unionfind_root): Likewise.
3837 (unionfind_union): Likewise.
3838 * web.c (struct web_entry): Moved to df.h.
3839 (unionfind_root): Remove static declaration.
3840 (unionfind_union): Likewise.
3841 (union_defs): Likewise and generalize to use callback function.
3842 (web_main): Update arguments for union_defs function call.
3844 2006-05-04 Richard Guenther <rguenther@suse.de>
3846 PR tree-optimization/26447
3847 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3848 produce SSA_NAME copies before the store stmt to avoid
3849 breaking exception handling.
3851 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3854 * gimplify.c (omp_is_private): If var is shared in some outer context,
3855 return false instead of true. Stop searching on parallel context
3858 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3861 * coverage.c: Use get_gcov_unsigned_t() instead of
3862 unsigned_type_node all over.
3864 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3866 PR tree-optimization/27381
3867 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3868 maintain the same immediate_use links.
3869 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3870 node rather than segfaulting.
3872 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3875 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3876 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3877 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3879 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3881 Fix PR tree-optimization/26626
3882 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3884 * tree-ssa-operands.c (access_can_touch_variable): Allow
3885 typecasting through union pointers.
3887 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3890 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3891 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3892 to find if var will be a global variable even in the nested context.
3893 (omp_copy_decl): Only check for global variable at the end, it might
3894 be overridden in outer contexts.
3895 (scan_sharing_clauses): For global variables don't create a field.
3896 (lower_rec_input_clauses): Do nothing for global shared variables.
3897 Emit a barrier at the end of ILIST if there were any decls in both
3898 firstprivate and lastprivate clauses.
3899 (lower_send_clauses): Do nothing for global variables except for
3902 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3904 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3905 of the correct signedness is returned.
3907 2006-05-02 Jeff Law <law@redhat.com>
3909 PR tree-optimization/27364
3910 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3911 multiply expressions.
3913 2006-05-02 Tom Tromey <tromey@redhat.com>
3915 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3917 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3920 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3921 -mthumb -fPIC are used.
3923 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3924 Joshua Kinard <kumba@gentoo.org>
3927 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3928 with 64-bit pointers.
3930 2006-05-02 Paul Brook <paul@codesourcery.com>
3932 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3934 (create_fix_barrier): Check that a suitable barrier location is
3936 (arm_reorg): Include ftmp->address in allowable range of addresses.
3938 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3941 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3944 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3947 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3948 around RESULT_DECL for result passed by reference.
3949 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3950 * omp-low.c (use_pointer_for_field): Don't look at
3951 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3952 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3953 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3954 time or var for passing by reference for
3955 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3956 TREE_ADDRESSABLE variables when passing by reference.
3958 * omp-low.c (dump_omp_region): Fix output formatting.
3961 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3962 (expand_omp_parallel): Likewise.
3963 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3966 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3967 on statement list containing also constructors and destructors.
3968 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3971 * except.c (duplicate_eh_regions): Fix clearing of
3972 cfun->eh->region_array entries.
3974 2006-05-01 DJ Delorie <dj@redhat.com>
3976 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3978 (gcc_cv_objdump): Likewise.
3979 * configure: Regenerated.
3981 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3984 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3985 templates for case 3 and 4.
3987 2006-05-01 DJ Delorie <dj@redhat.com>
3989 * vec.c: Include bconfig.h when appropriate.
3990 * Makefile.in (build/vec.o): Adjust dependencies.
3991 * mkconfig.sh: Make sure config.h isn't used for build machine
3994 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3996 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3998 (mark_phi_for_rewrite): New function.
3999 (insert_phi_nodes_for, mark_use_interesting): Call
4000 mark_phi_for_rewrite.
4001 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4002 (update_ssa): Initialize and free phis_to_rewrite.
4004 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4006 PR rtl-optimization/27291
4007 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4008 folded to a constant.
4010 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4012 PR tree-optimization/27283
4013 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4014 not whole # of iteration descriptions.
4015 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4016 uses abnormal ssa name.
4017 (niter_for_single_dom_exit): Ditto.
4018 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4019 return just the number of iterations.
4021 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4023 PR tree-optimization/27144
4024 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4025 (record_estimate): Only record constant upper bound.
4026 (infer_loop_bounds_from_undefined): Call
4027 compute_estimated_nb_iterations just once.
4028 (proved_non_wrapping_p): Renamed to ...
4029 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4030 (convert_step_widening, scev_probably_wraps_p): Call
4031 n_of_executions_at_most instead of proved_non_wrapping_p.
4032 (substitute_in_loop_info): Do not replace values in bounds.
4033 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4036 2006-05-01 Richard Henderson <rth@redhat.com>
4039 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4040 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4043 2006-05-01 Roger Sayle <roger@eyesopen.com>
4045 * c-typeck.c (parser_build_binary_op): Don't call the function
4046 unsigned_conversion_warning to spot operand/result type overflow.
4047 (build_binary_op): Instead, call convert_and_check instead of
4048 convert to report the problem when the operands are promoted.
4049 * c-common.c (unsigned_conversion_warning): Make static.
4050 * c-common.h (unsigned_conversion_warning): Delete prototype.
4052 2006-05-01 Richard Guenther <rguenther@suse.de>
4054 PR tree-optimization/26726
4055 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4057 (find_interesting_uses_address): ... we work around here
4058 by folding INDIRECT_REFs in the substituted base.
4060 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4062 * omp-low.c (dump_omp_region): Add newlines.
4064 2006-04-30 Roger Sayle <roger@eyesopen.com>
4066 * common.opt (Woverflow): New command line option.
4067 * c-common.c (constant_expression_warning): Check warn_overflow.
4068 (overflow_waring): Pass OPT_Woverflow to warning.
4069 (unsigned_conversion_warning): Likewise.
4070 (convert_and_check): Likewise.
4071 * doc/invoke.texi: Document new command line option.
4073 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4075 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4076 TARGET_NO_FP_IN_TOC for section anchors.
4077 (optimization_options): Enable section anchors for all
4078 non-"Objective" languages.
4080 2006-04-28 Eric Christopher <echristo@apple.com>
4082 * config/darwin-c.c (darwin_ms_struct): Move this
4083 (darwin_set_default_type_attributes): and this...
4084 * config/darwin.c: ... here.
4085 * config/darwin.h (darwin_ms_struct): Declare.
4087 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4089 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4091 2006-04-28 Roger Sayle <roger@eyesopen.com>
4094 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4095 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4096 an unsigned HOST_WIDE_INT.
4097 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4099 (really_start_incremental_init): No need to call convert because
4100 bitsize_zero_node is already of type bitsizetype.
4101 (push_init_level): Extract the value of constructor_index as an
4102 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4103 (process_init_element): Likewise.
4105 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4107 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4108 value before passing to make_relative_prefix.
4110 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4113 * builtins.c (expand_builtin_memset): Expand val in original mode.
4115 2006-04-27 Eric Christopher <echristo@apple.com>
4117 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4118 with #ifndef/#endif.
4119 * config/darwin-c.c (darwin_ms_struct): New.
4120 (darwin_pragma_ms_struct): Ditto.
4121 (darwin_set_default_type_attributes): Ditto.
4122 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4123 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4124 Register ms_struct pragma.
4125 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4126 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4127 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4128 darwin_set_default_type_attributes if TARGET_MACHO.
4130 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4132 PR tree-optimization/26854
4133 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4134 * doc/tree-ssa.texi: Update immuse iterator documentation.
4135 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4136 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4137 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4138 first_safe_imm_use, next_safe_imm_use): Remove.
4139 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4140 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4141 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4142 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4143 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4144 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4145 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4146 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4147 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4148 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4149 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4150 (perfect_nestify): Use new iterator.
4151 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4153 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4154 (next_imm_name): New field in struct immediate_use_iterator_d.
4155 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4156 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4157 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4158 * tree-cfg.c (replace_uses_by): Use new iterator.
4159 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4160 * tree-ssa-operands.c (correct_use_link): Remove.
4161 (finalize_ssa_use_ops): No longer call correct_use_link.
4163 2006-04-27 Stuart Hastings <stuart@apple.com>
4165 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4166 * config/t-darwin (crt3.o): Use it.
4167 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4168 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4169 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4170 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4171 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4174 2006-04-27 Roger Sayle <roger@eyesopen.com>
4176 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4177 size, force the intermediate into a new pseudo rather instead of
4178 performing both a bitwise AND and a bitwise IOR in memory.
4180 2006-04-27 Richard Guenther <rguenther@suse.de>
4182 PR rtl-optimization/26685
4183 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4184 this one "max-flow-memory-locations".
4186 2006-04-27 Richard Guenther <rguenther@suse.de>
4188 PR tree-optimization/25148
4189 * tree-vrp.c (compare_values): Remove code dealing with
4190 comparisons against type min/max value. Honour overflow
4191 and negative constants in code dealing with comparisons
4192 of plus and minus expressions.
4193 (value_inside_range): Use fold_binary with LE_EXPR and
4194 GE_EXPR rather than compare_values.
4196 2006-04-27 Dirk Mueller <dmueller@suse.de>
4198 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4201 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4203 * basic-block.h (safe_insert_insn_on_edge): Removed.
4204 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4206 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4207 Paolo Bonzini <bonzini@gnu.org>
4210 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4211 (simplify_and_const_int): Same.
4213 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4215 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4217 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4220 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4221 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4222 cgraph_global_info_ready.
4225 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4228 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4229 either decl or init is error_mark_node.
4232 * tree-flow.h (struct omp_region): Add sched_kind.
4233 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4234 instead of extracting omp for data.
4235 (expand_omp_for): Save extracted sched_kind.
4237 2006-04-25 Roger Sayle <roger@eyesopen.com>
4239 * expmed.c (store_bit_field): Also check whether the bitsize is
4240 valid for the machine's "insv" instruction before moving the
4241 target into a pseudo for use with the insv.
4242 * config/i386/predicates.md (const8_operand): New predicate.
4243 * config/i386/i386.md (extv, extzv, insv): Use the new
4244 const8_operand predicate where appropriate.
4246 2006-04-25 DJ Delorie <dj@redhat.com>
4248 * doc/install.texi (Specific): Clarify that this is not a list of
4249 supported hosts or targets.
4251 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4253 PR rtl-optimization/26725
4254 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4255 block's BB_DIRTY flag.
4257 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4259 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4262 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4263 to print an integer.
4265 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4267 * varasm.c (align_variable): New function.
4268 (get_block_for_decl): Apply align_variable to DECL before
4269 calculating section information.
4270 (assemble_variable): Split out alignment computation.
4272 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4274 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4277 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4279 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4280 MODE_PARTIAL_INT mode.
4281 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4282 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4284 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4285 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4287 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4289 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4291 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4292 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4293 MACFLAG_IH): Likewise.
4294 (movstricthi_1): Renamed from "*movstricthi".
4295 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4296 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4297 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4298 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4299 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4300 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4301 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4302 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4303 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4304 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4305 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4306 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4307 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4308 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4309 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4311 * doc/rtl.texi (ss_ashift): Improve wording.
4313 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4315 * dwarf2out.c (verify_marks_clear): New.
4316 (prune_unused_types): Call verify_marks_clear initially, not
4319 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4321 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4322 * doc/rtl.texi: Document them.
4323 * simplify-rtx.c (simplify_unary_operation,
4324 simplify_binary_operation_1): Don't abort when we see them.
4326 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4329 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4330 * configure.ac: Completely disregard languages that are not
4332 * configure: Regenerated.
4334 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4335 Richard Guenther <rguenther@suse.de>
4337 PR tree-optimization/27236
4338 * tree-inline.c (copy_body_r): Make sure to copy
4339 TREE_THIS_VOLATILE flag.
4341 2006-04-24 Richard Guenther <rguenther@suse.de>
4344 * tree-complex.c (update_parameter_components): Don't handle
4345 unused parameters which have no default def.
4347 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4348 Richard Guenther <rguenther@suse.de>
4350 PR tree-optimization/27218
4351 * tree-inline.c (expand_call_inline): Strip useless type
4352 conversions for the return slot address.
4354 2006-04-24 Richard Guenther <rguenther@suse.de>
4356 * cfgloop.h (struct loops): Remove unused field array. Reorder
4358 (LOOP_PREFETCH): Remove.
4360 2006-04-24 Richard Guenther <rguenther@suse.de>
4362 PR tree-optimization/22525
4363 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4364 variable, adjust types of generated expressions.
4366 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4368 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4369 (tree-vect-patterns.o): Likewise.
4371 (cselib.o): Likewise.
4372 (loop-doloop.o): Likewise.
4373 (regclass.o): Likewise.
4374 (reload1.o): Likewise.
4375 (explow.o): Replace target.h with $(TARGET_H).
4376 (ipa-prop.o): Likewise.
4377 (ipa-cp.o): Likewise.
4378 (ipa-inline.o): Likewise.
4379 (reorg.o): Likewise.
4380 (reg-stack.o): Likewise.
4382 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4384 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4386 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4388 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4390 * configure.ac: Completely disregard languages that are not
4392 * configure: Regenerated.
4395 * c-common.h (c_build_bitfield_integer_type): Declare.
4396 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4397 * c-common.c (c_build_bitfield_integer_type): ... here.
4399 2006-04-23 Roger Sayle <roger@eyesopen.com>
4402 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4403 a SImode SUBREG of a floating point register after no_new_pseudos.
4405 2006-04-23 Roger Sayle <roger@eyesopen.com>
4407 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4408 identify potentially eliminable registers to additionally catch
4409 VIRTUAL_INCOMING_ARGS_REGNUM.
4410 (addsi3): Update the conditions on when to use addsi_small_int.
4412 2006-04-23 Roger Sayle <roger@eyesopen.com>
4415 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4416 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4417 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4419 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4421 * fold-const.c (range_predecessor): Use operand_equal_p
4422 as the predicate for equality.
4423 (range_successor): Likewise.
4425 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4428 * config/soft-fp/op-common.h: Fix a typo.
4430 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4433 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4434 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4436 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4438 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4440 * doc/tm.texi: Fix a typo.
4442 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4444 * dwarf2out.c (struct die_struct): Document that die_sib makes
4445 a circular linked list.
4446 (FOR_EACH_CHILD): New.
4447 (reverse_die_lists): Delete.
4448 (reverse_all_dies): Delete.
4449 (add_dwarf_attr): Correct documentation.
4450 (remove_child_with_prev): New.
4451 (remove_child_TAG): Update for change to die_struct, use
4452 remove_child_with_prev.
4453 (add_child_die): Update for change to die_struct.
4454 (splice_child_die): Use remove_child_with_prev and add_child_die.
4455 (print_die): Use FOR_EACH_CHILD.
4456 (die_checksum): Likewise.
4457 (assign_symbol_names): Likewise.
4458 (output_location_lists): Likewise.
4459 (build_abbrev_table): Likewise.
4460 (calc_die_sizes): Likewise.
4461 (mark_dies): Likewise.
4462 (unmark_dies): Likewise.
4463 (unmark_all_dies): Likewise.
4464 (output_die): Likewise.
4465 (prune_unused_types_mark): Likewise.
4466 (prune_unused_types_walk): Likewise.
4467 (same_die_p): Update for change to die_struct.
4468 (break_out_includes): Likewise.
4469 (prune_unused_types_prune): Likewise.
4470 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4471 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4473 (dwarf2out_finish): Don't call reverse_all_dies.
4475 2006-04-21 Eric Christopher <echristo@apple.com>
4477 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4478 in comments and function names.
4480 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4483 * c-typeck.c (digest_init): Robustify.
4485 * c-typeck.c (pop_init_level): Simplify.
4487 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4489 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4491 2006-04-21 Paul Brook <paul@codesourcery.com>
4493 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4494 hardware floating point.
4496 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4498 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4501 2006-04-21 Nick Clifton <nickc@redhat.com>
4503 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4506 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4509 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4510 C++ lang type in traceback table for Objective-C++.
4512 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4514 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4516 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4518 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4521 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4522 were errors. Remove check for erroneous objects.
4524 2006-04-20 Jeff Law <law@redhat.com>
4526 PR tree-optimization/26854
4527 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4528 checking for zero or one use.
4529 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4530 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4531 * tree-ssa-reassoc.c (negate_value): Similarly.
4532 (reassociate_bb): Similarly.
4534 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4536 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4537 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4538 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4540 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4542 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4543 fp regs if the last fp arg doesn't fit in regs.
4545 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4548 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4549 that the last insn has the REG_INC note.
4551 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4552 Nathan Sidwell <nathan@codesourcery.com>
4555 * stor-layout.c (update_alignment_for_field): Do not align
4557 (place_union_field): Place union field at the start of the union.
4558 (place_field): Move ERROR_MARK check later, and use the current
4559 allocation position to maintain monotonicity.
4561 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4563 * dominance.c: Include timevar.h.
4564 (calculate_dominance_info): Use TV_DOMINANCE.
4565 * timevar.def (TV_DOMINANCE): New timevar.
4566 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4568 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4570 PR rtl-optimization/14261
4571 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4572 move would be an INSV insn.
4573 (noce_process_if_block): Don't optimize if the destination is a
4574 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4576 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4578 * config/s390/s390.md: Add comments with the instructions emitted
4579 by an insn pattern if macros are used.
4581 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4583 PR rtl-optimization/26026
4584 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4585 is a known power of two shifted left a variable amount.
4587 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4589 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4590 to hash table twice when the debug_str section has SECTION_MERGE.
4592 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4594 * config/soft-fp: New directory. From glibc.
4595 * config/soft-fp/t-softfp: New.
4596 * config/soft-fp/README: New.
4597 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4598 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4599 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4600 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4601 * config.gcc: Use rs6000/t-fprules-fpbit or
4602 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4604 * config/rs6000/sfp-machine.h: New. Based on glibc.
4605 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4607 * config/rs6000/t-fprules: Remove fp-bit rules.
4608 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4609 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4610 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4611 (softfp_wrap_start, softfp_wrap_end): New.
4613 2006-04-18 DJ Delorie <dj@redhat.com>
4615 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4617 2006-04-18 Devang Patel <dpatel@apple.com>
4619 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4621 2006-04-18 Nick Clifton <nickc@redhat.com>
4623 * config/sh/t-symbian: Add rule to build sh-c.o
4624 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4625 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4626 (sh_symbian_encode_section_info): Likewise.
4628 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4630 * builtins.c (expand_builtin_strcmp): Cover label definition of
4631 do_libcall with HAVE_cmpstrnsi.
4633 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4635 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4637 * function.h (temp_slot_p): New.
4638 (function): Change the type of x_used_temp_slots to
4639 VEC(temp_slot_p,gc) *.
4641 2006-04-18 Nick Clifton <nickc@redhat.com>
4643 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4644 flag_strength_reduce.
4646 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4648 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4652 Partial revert of revision 112637
4653 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4654 Dale Johannesen <dalej@apple.com>
4657 * regclass.c (struct reg_pref): Update documentation.
4658 (regclass): Set prefclass to NO_REGS if memory is the best option.
4659 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4661 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4663 PR tree-optimization/26821
4664 * tree-ssa-math-opts.c (get_constant_one): New.
4665 (insert_reciprocals): Use it.
4667 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4669 * dwarf2out.c (free_AT): Delete.
4670 (remove_AT): Update string ref counts.
4671 (remove_child_TAG): Don't call free_die.
4673 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4674 or DW_TAG_GNU_EINCL.
4675 (prune_unused_types_walk_attribs): Reset string refcounts.
4676 (prune_unused_types_update_strings): New.
4677 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4678 call free_die. Do call prune_unused_types_update_strings.
4679 (prune_unused_types): Empty debug_str_hash.
4681 2006-04-17 Roger Sayle <roger@eyesopen.com>
4683 * expr.c (expand_assignment): Optimize away no-op moves where the
4684 source and destination are equal and have no side-effects.
4686 2006-04-17 Richard Guenther <rguenther@suse.de>
4689 * reload.c (push_reload): Guard calls to get_secondary_mem
4692 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4694 * alias.c (reg_base_value, old_reg_base_value): Change the
4695 type to VEC(rtx,gc) *.
4696 (REG_BASE_VALUE, find_base_value, record_set,
4697 init_alias_analysis): Use VEC instead of VARRAY.
4699 * alias.c (alias_sets): Change the type to
4700 VEC(alias_set_entry,gc) *.
4701 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4702 VEC instead of VARRAY.
4703 (last_alias_set): Remove.
4705 * cgraph.h (cgraph_edge_p): New.
4706 Update the prototype of cgraph_function_versioning.
4707 * cgraphunit.c (cgraph_copy_node_for_versioning,
4708 cgraph_function_versioning): Use VEC instead of VARRAY.
4709 * ipa-cp.c (ipcp_insert_stage): Likewise.
4711 2006-04-16 Roger Sayle <roger@eyesopen.com>
4714 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4715 "A op B" or "A op C", we may need to convert A to the type of B and C.
4717 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4719 * target.h (struct gcc_target): Add mode_rep_extended.
4720 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4721 (init_num_sign_bit_copies_in_rep): Initialize it using
4723 (truncate_to_mode): Use it.
4724 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4725 * targhooks.h (default_mode_rep_extended): Declare it.
4726 * targhooks.c (default_mode_rep_extended): Define it.
4727 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4728 default_mode_rep_extended.
4729 (TARGET_INITIALIZER): Include it.
4730 * doc/tm.texi (Misc): Document it.
4731 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4732 (mips_truncated_to_mode): New function.
4734 2006-04-16 Roger Sayle <roger@eyesopen.com>
4737 * expr.c (compress_float_constant): Copy the narrow constant into
4738 a new pseudo before extending it to its final width.
4740 2006-04-16 Roger Sayle <roger@eyesopen.com>
4741 Andrew Pinski <pinskia@gcc.gnu.org>
4742 Dale Johannesen <dalej@apple.com>
4745 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4746 special case code to implement V8HImode and V16QImode with SSE2.
4748 2006-04-15 Roger Sayle <roger@eyesopen.com>
4750 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4751 trees are constructed with a suitable tree type.
4753 2006-04-15 Roger Sayle <roger@eyesopen.com>
4755 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4756 (integer_onep): Likewise.
4757 (integer_all_onesp): Likewise.
4758 (integer_pow2p): Likewise.
4759 (integer_nonzerop): Likewise.
4760 (real_zerop): Likewise.
4761 (real_onep): Likewise.
4762 (real_twop): Likewise.
4763 (real_minus_onep): Likewise.
4764 (int_size_in_bytes): Likewise.
4765 (host_integerp): Likewise.
4767 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4769 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4770 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4771 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4773 * tree-ssa-structalias.h (alias_info): Remove num_references.
4775 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4777 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4778 (output_bvb patterns): Likewise.
4779 * pa.c (output_bb): Use 'bb' insn for long branch case.
4780 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4781 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4782 1. Correct length operand for alternatives 1 and 2.
4783 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4784 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4786 2006-04-14 Roger Sayle <roger@eyesopen.com>
4788 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4789 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4790 were accidentally reverted by r112959.
4792 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4795 * except.h (eh_region_outermost): New prototype.
4796 * except.c (eh_region_outermost): New function.
4797 * tree-cfg.c (find_outermost_region_in_block): Use it.
4799 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4801 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4803 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4804 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4805 (init_reload, reload): Use VEC instead of VARRAY.
4806 * reload.h: Update the prototype for
4807 reg_equiv_memory_loc_varray.
4809 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4810 Eric Botcazou <ebotcazou@libertysurf.fr>
4812 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4815 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4818 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4819 to expand fallback builtin function call.
4821 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4824 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4825 and emit libcall here in case the builtin fails.
4826 (expand_builtin_strcmp): Always emit the libcall here on failure.
4828 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4830 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4831 * flow.c (reg_n_info): Change the type to
4832 VEC(reg_info_p,heap) *.
4833 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4835 * regs.h (reg_info_p): New.
4836 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4837 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4838 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4841 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4843 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4845 * params.h (MAX_SCHED_READY_INSNS): New macro.
4846 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4847 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4848 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4849 the ready list for 1 cycle during the first scheduling pass.
4850 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4852 2006-04-13 Richard Henderson <rth@redhat.com>
4855 * gimple-low.c (lower_omp_directive): Remove dead code.
4856 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4857 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4858 * omp-low.c (struct omp_region): Move to tree-flow.h.
4859 (root_omp_region): Export.
4860 (omp_regions, lookup_omp_region): Remove.
4861 (determine_parallel_type): Update for struct omp_region changes.
4862 (dump_omp_region): Dump regions with block numbers.
4863 (new_omp_region): Take type and block instead of stmt; malloc
4865 (free_omp_region_1, free_omp_regions): New.
4866 (expand_parallel_call): Take entry_stmt as argument; update for
4867 changes to omp_region.
4868 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4869 (remove_exit_barriers): New.
4870 (expand_omp_parallel): Update for struct omp_region changes.
4871 (expand_omp_synch): Likewise.
4872 (expand_omp): Likewise.
4873 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4874 (expand_omp_for_static_chunk): Likewise.
4875 (expand_omp_for): Likewise.
4876 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4877 (expand_omp_sections): Similarly, with GOMP_sections_end.
4878 (expand_omp_single): New.
4879 (build_omp_regions_1): Update for OMP_CONTINUE.
4880 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4881 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4882 OMP_SECTIONS_SECTIONS.
4883 (lower_omp_single_simple): Don't emit barrier here.
4884 (lower_omp_single_copy): Likewise.
4885 (lower_omp_single): Fix bindings, and lower to straightline now.
4886 (lower_omp_master, lower_omp_ordered): Likewise.
4887 (lower_omp_critical): Likewise.
4888 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4889 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4890 omp edges, free it afterward.
4891 (make_omp_sections_edges): Remove.
4892 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4893 (move_stmt_r): Handle OMP_CONTINUE.
4894 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4895 statement pointers to basic blocks. Add type member.
4896 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4897 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4898 * tree-inline.c (estimate_num_insns_1): Likewise.
4899 * tree-pretty-print.c (dump_generic_node): Likewise.
4900 * tree-ssa-operands.c (get_expr_operands): Likewise.
4901 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4902 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4903 (OMP_CONTINUE): New.
4904 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4905 (OMP_SECTIONS_SECTIONS): Remove.
4906 (OMP_SECTION_LAST): New.
4907 (OMP_RETURN_NOWAIT): New.
4909 2006-04-13 Roger Sayle <roger@eyesopen.com>
4911 * fold-const.c (native_encode_vector, native_interpret_real):
4912 Correct obvious mistakes in the previous check-in.
4914 2006-04-13 Roger Sayle <roger@eyesopen.com>
4916 * fold-const.c (native_encode_expr): New function to encode
4917 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4918 or VECTOR_CST into a specified buffer.
4919 (native_encode_int): New function.
4920 (native_encode_real): New function.
4921 (native_encode_complex): New function.
4922 (native_encode_vector): New function.
4923 (native_interpret_expr): Inverse of native_encode_expr to convert
4924 a target representation into an INTEGER_CST, REAL_CST etc...
4925 (native_interpret_int): New function.
4926 (native_interpret_real): New function.
4927 (native_interpret_complex): New function.
4928 (native_interpret_vector): New function.
4929 (fold_view_convert_expr): New function to constant fold/evaluate
4930 a VIEW_CONVERT_EXPR of a suitable constant expression.
4931 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4932 Change call of build1 to fold_build1 when constructing a
4935 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4936 Ulrich Weigand <uweigand@de.ibm.com>
4939 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4942 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4945 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4946 optimize to lo_sum for DFmode if !TARGET_FPRS.
4948 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4950 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4951 delete_alias_info, compute_flow_sensitive_aliasing,
4952 group_aliases): Use VEC instead of VARRAY.
4953 * tree-ssa-structalias.c (update_alias_info): Likewise.
4954 * tree-ssa-structalias.h (alias_info): Change the type of
4955 processed_ptrs to VEC(tree,heap) *.
4957 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4960 * config/sh/lib1funcs.h: New file, broken out of:
4961 * config/sh/lib1funcs.asm.
4962 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4964 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4965 * config/sh/lib1funcs-Os-4-200.asm: New file.
4966 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4967 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4968 (EXTRA_MULTILIB_PARTS): Include it.
4969 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4970 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4971 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4972 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4975 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4977 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4978 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4979 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4981 * tree-ssa-live.h: Include vecprim.h.
4982 (tree_partition_associator_d): Change the type of
4983 first_partition to VEC(int,heap) *.
4984 (tpa_first_partition): Use VEC instead of VARRAY.
4986 * Makefile.in (GTFILES): Move functions.h after tree.h.
4987 * function.c (reset_block_changes, record_block_change,
4988 check_block_change, free_block_changes): Use VEC instead of
4990 * function.h (function): Change the type of
4991 ib_boundaries_block to VEC(tree,gc) *.
4992 * tree-inline.c (copy_cfg_body): Initialize
4993 ib_boundaries_block to NULL instead of (varray_type) 0.
4995 2006-04-12 Roger Sayle <roger@eyesopen.com>
4997 * expr.c (emit_group_store): Correct operand order in call to
4998 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4999 a SUBREG_BYTE of zero.
5001 2006-04-12 Richard Guenther <rguenther@suse.de>
5003 * profile.c (compute_branch_probabilities): Remove code
5004 encapsulated in !ir_type (), which are remanents of the
5005 removed RTL profiling code.
5006 * rtl-profile.c: Remove.
5008 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5010 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5011 magic NULL_RTX comment.
5012 (function_arg): Store entire fp arg to mem if any part should go
5014 (rs6000_arg_partial_bytes): Adjust for above change.
5016 2006-04-11 Roger Sayle <roger@eyesopen.com>
5018 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5019 if it hasn't been initialized by dwarf2out_init.
5021 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5023 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5024 symbolic constants in branch patterns.
5026 2006-04-11 Roger Sayle <roger@eyesopen.com>
5028 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5030 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5032 PR rtl-optimization/27073
5033 * gcse.c (try_replace_reg): Revert last change. Continue to search
5034 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5037 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5039 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5040 aggregate types other than record and union types.
5041 (function_arg): Likewise.
5042 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5044 (function_value): In 64-bit mode, return objects that require it
5047 2006-04-11 Roger Sayle <roger@eyesopen.com>
5049 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5051 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5053 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5055 2006-04-03 Jeff Law <law@redhat.com>
5058 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5059 alias information too.
5061 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5063 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5065 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5068 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5069 (premark_used_types_helper): New.
5070 (premark_used_types): New.
5071 (gen_subprogram_die): Call premark_used_types.
5072 (prune_unused_types_walk): Do not prune perennial dies.
5073 * function.c (used_types_insert): New.
5074 * function.h (struct function): Add used_types_hash field.
5075 (used_types_insert): Add prototype.
5076 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5077 * c-parser.c (c_parser_cast_expression): Save casted types in used
5080 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5083 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5084 rs6000_explicit_options.float_gprs.
5086 2006-04-10 Roger Sayle <roger@eyesopen.com>
5088 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5089 from ix86_expand_vector_init_low_nonzero. Take an additional
5090 one_var argument indicating which element is non-zero. Support
5091 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5092 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5093 with one_var instead of ix86_expand_vector_init_low_nonzero.
5095 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5097 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5098 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5099 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5100 build/genextract.o): Depend on vecprim.h.
5101 * cfglayout.c, df-problems.c, function.c, genextract.c,
5102 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5103 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5107 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5109 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5110 Declare VECs of this type.
5111 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5112 (remove_children): Delete.
5113 (add_dwarf_attr): Use VEC routines.
5114 (add_AT_flag): Update for changes to add_dwarf_attr.
5115 (add_AT_int): Likewise.
5116 (add_AT_unsigned): Likewise.
5117 (add_AT_long_long): Likewise.
5118 (add_AT_vec): Likewise.
5119 (add_AT_string): Likewise.
5120 (add_AT_die_ref): Likewise.
5121 (add_AT_fde_ref): Likewise.
5122 (add_AT_loc): Likewise.
5123 (add_AT_loc_list): Likewise.
5124 (add_AT_addr): Likewise.
5125 (add_AT_lbl_id): Likewise.
5126 (add_AT_lineptr): Likewise.
5127 (add_AT_macptr): Likewise.
5128 (add_AT_offset): Likewise.
5129 (add_AT_range_list): Likewise.
5130 (get_AT): Use VEC_iterate.
5131 (remove_AT): Use VEC_ordered_remove.
5132 (free_die): Fold remove_children into here; have it use VEC_iterate.
5133 (print_die): Use VEC_iterate on attrs.
5134 (reverse_die_lists): Don't reverse attr lists.
5135 (die_checksum): Use VEC_iterate on attrs.
5136 (same_die_p): Likewise.
5137 (output_location_lists): Likewise.
5138 (build_abbrev_table): Likewise.
5139 (size_of_die): Likewise.
5140 (unmark_all_dies): Likewise.
5141 (output_abbrev_section): Likewise.
5142 (output_die): Likewise.
5143 (prune_unused_types_walk_attribs): Likewise.
5145 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5147 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5149 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5152 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5154 2006-04-09 Roger Sayle <roger@eyesopen.com>
5156 * expr.c (store_constructor): Don't bother clearing target if
5157 we're about to assign a vector to it using vec_init_optab.
5159 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5161 * tree-ssa-alias.c (lhs_may_store_to): New function.
5162 (recalculate_used_alone): Handle LHS of calls.
5164 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5168 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5169 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5170 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5171 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5172 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5173 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5174 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5175 stubs. Add ".align 8" directives before all ".dword" directives.
5176 (GTHREAD_USE_WEAK): Revise comment.
5177 (TARGET_ATTRIBUTE_WEAK): Define.
5178 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5179 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5180 * stublib.c: New file.
5185 * pa.md (cbranch patterns): Revise arguments used in calls to
5186 output_cbranch, output_bb and output_bvd. Add long branch length
5188 (fbranch patterns): Handle long branches.
5189 (jump): Revise length check. Revise arguments for output_lbranch call.
5190 Add long branch length attributes.
5191 (decrement_and_branch_until_zero): Add long branch length attributes.
5192 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5193 Likewise. Revise arguments for output_parallel_addb and
5194 output_parallel_movb calls.
5195 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5196 output_parallel_movb and output_parallel_addb): Update prototypes.
5197 * pa.c (output_cbranch): Revise arguments. Correct handling of
5198 nullification in long branches.
5199 (output_lbranch): Add new argument to control extraction of delay
5201 (output_bb): Handle long branches.
5202 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5203 output_parallel_addb): Likewise.
5205 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5207 PR rtl-optimization/27073
5208 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5211 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5213 * tree.h (tree_memory_tag): Add old_used_alone.
5214 (SMT_OLD_USED_ALONE): New macro.
5215 * tree-ssa-alias.c (recalculate_used_alone): Stop
5216 marking things for renaming unnecessarily.
5218 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5220 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5221 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5222 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5223 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5224 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5225 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5226 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5227 spelling convensions.
5228 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5229 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5230 typos. Follow spelling conventions.
5232 2006-04-07 DJ Delorie <dj@redhat.com>
5234 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5235 passed on the stack.
5236 (m32c_init_cumulative_args): When a function returns a structure,
5237 always pass the pointer to that return area on the stack.
5238 (m32c_function_arg_advance): Don't increment the parameter number
5239 if we're processing the returned structure pointer.
5240 (pushm_info): Reverse order of registers.
5242 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5244 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5245 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5246 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5247 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5249 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5250 chrec_fold_multiply): Same.
5251 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5252 force_expr_to_var_cost): Same.
5253 * tree-mudflap.c (mf_xform_derefs_1): Same.
5254 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5256 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5258 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5259 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5262 2006-04-07 Jan Hubicka <jh@suse.cz>
5264 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5266 2006-04-07 Richard Guenther <rguenther@suse.de>
5268 PR tree-optimization/26135
5269 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5270 loads for store copy-prop.
5271 (copy_prop_visit_stmt): Likewise.
5273 2006-04-05 Robert Millan <robertmh@gnu.org>
5275 * config/i386/linux.h: Add a comment to mark macros that are
5276 being overriden in config/k*bsd-gnu.h.
5277 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5279 * config/knetbsd-gnu.h: Ditto.
5281 2006-04-06 Jan Hubicka <jh@suse.cz>
5285 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5288 2006-04-06 Mike Stump <mrs@apple.com>
5290 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5291 for HAVE_nonlocal_goto to be consistent.
5292 (expand_builtin_nonlocal_goto): Likewise.
5293 (expand_builtin_strcmp): Use #ifdef instead of #if
5294 for HAVE_cmpstrnsi to be consistent.
5296 2006-04-05 DJ Delorie <dj@redhat.com>
5298 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5301 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5303 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5304 got-relative addressing for anything but SImode.
5306 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5307 even if the calling function doesn't modify them.
5309 2006-04-05 Richard Guenther <rguenther@suse.de>
5311 PR tree-optimization/26919
5312 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5313 to cgraph_estimate_size_after_inlining.
5315 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5317 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5319 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5321 PR tree-optimization/26996
5322 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5323 VECTOR_TYPE variables.
5325 2006-04-05 Richard Guenther <rguenther@suse.de>
5327 PR tree-optimization/26763
5328 * fold-const.c (fold_comparison): Move folding of
5329 PTR + CST CMP PTR + CST ...
5330 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5332 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5334 * doc/install.texi (Prerequisites): Refine some wording on
5335 bootstrapping and ksh.
5336 Move the version numbers of DejaGnu here from the testing section
5337 and fix casing of names.
5338 Fix markup and clarify wording for autogen requirements.
5339 Refer to GCJ instead of just java.
5340 Refer to SVN instead of CVS.
5341 Describe diffutils as useful instead of necessary.
5342 (Downloading the source): Refer to SVN instead of CVS.
5343 Adjust a link to our web site accordingly.
5344 (Configuration): Fix casing of Bison.
5345 (Building): Refer to SVN instead of CVS.
5346 Fix a sentence on the use of Bison and remove duplicate (and
5347 incorrect) version number of Bison requirement.
5348 Remove one redundant list of packages needed for building.
5349 (Specific): Avoid reference to CVS.
5351 2006-04-04 Eric Christopher <echristo@apple.com>
5353 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5354 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5355 (rs6000_handle_struct_attribute): New.
5356 (rs6000_ms_bitfield_layout_p): Ditto.
5358 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5360 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5361 NULL for dso parameter to atexit_common.
5363 2006-04-04 Eric Christopher <echristo@apple.com>
5365 * config/i386/i386.c (machopic_output_stub): Output \t
5366 between instructions and operands.
5368 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5370 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5371 satisfies_constraint_[IL] to explicit tests on value.
5373 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5375 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5376 set_nb_iterations_in_loop): Use build_int_cst instead of
5378 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5379 build_int_cst instead of convert.
5381 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5383 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5384 new value 2 for incoming.
5385 * function.c (expand_function_start): Call struct_value_rtx
5387 * config/sparc/sparc.md: Comment updated_return.
5388 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5389 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5390 struct return if sparc_std_struct_return and incoming is 2.
5391 (print_operand): Do not adjust return if
5392 sparc_std_struct_return.
5394 2006-04-04 Roger Sayle <roger@eyesopen.com>
5396 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5397 convert in the middle-end.
5398 * expr.c (store_expr, store_constructor, get_inner_reference,
5399 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5401 * tree.c (build_range_type): Likewise.
5403 2006-04-04 Tom Tromey <tromey@redhat.com>
5405 * doc/install.texi (Prerequisites): Mention jar.
5407 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5409 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5412 2006-04-04 Matthias Klose <doko@debian.org>
5414 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5415 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5418 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5420 * doc/extend.texi (Function Attributes): Rewrite visibility
5421 attribute documentation.
5422 * doc/invoke.texi (C++ Dialect Options): Rewrite
5423 -fvisibility-inlines-hidden documentation to describe something
5424 entirely different, although in practise compatible.
5425 (Code Gen Options): Warn about system headers in -fvisibility=
5428 * doc/extend.texi (Other Builtins): Document that
5429 __builtin_nan is a compile-time constant only when its argument
5432 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5434 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5435 trying to remove TRUNCATE check if all bits outside the new mode
5436 are identical to the sign bit.
5438 2006-04-03 Jeff Law <law@redhat.com>
5440 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5441 and operand scanning in some common cases.
5443 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5444 Dale Johannesen <dalej@apple.com>
5447 * regclass.c (struct reg_pref): Update documentation.
5448 (regclass): Set prefclass to NO_REGS if memory is the best option.
5449 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5450 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5451 into account. For non-registers, equate an empty preferred
5452 reload class to a `!' in the constraint; move the if clause to
5453 do so after those that reject the insn.
5454 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5456 (find_dummy_reload): Likewise.
5457 * doc/tm.texi (Register Classes): Document what it means
5458 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5459 * config/i386/i386.c (ix86_preferred_reload_class): Force
5460 using SSE registers (and return NO_REGS for floating-point
5461 constants) if math is done with SSE.
5462 (ix86_preferred_output_reload_class): New.
5463 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5464 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5465 * config/i386/i386.md: Remove # register preferences.
5467 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5470 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5471 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5472 the type of nb_iter.
5473 (instantiate_parameters_1): Convert the operands before calling
5474 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5475 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5477 2006-04-02 Roger Sayle <roger@eyesopen.com>
5479 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5480 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5482 * dojump.c (do_jump): Likewise.
5483 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5484 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5485 gimplify_boolean_expr): Likewise.
5486 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5487 * varasm.c (array_size_for_constructor): Likewise.
5488 * tree-object-size.c (compute_object_offset): Likewise.
5490 2006-04-02 Roger Sayle <roger@eyesopen.com>
5493 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5494 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5496 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5498 PR tree-optimization/26939
5499 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5501 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5503 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5504 at_stmt. Convert the type of operands before calling
5505 build_polynomial_chrec.
5506 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5508 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5509 (instantiate_parameters_1): Convert the type of operands before calling
5510 build_polynomial_chrec.
5511 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5512 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5513 reset_evolution_in_loop): Insert asserts to check the types of the
5515 (chrec_type): Moved...
5516 (eq_evolutions_p): Use operand_equal_p.
5517 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5518 the types of the operands.
5519 (chrec_type): ...here.
5520 * tree-data-ref.c (create_data_ref): Convert the operands before
5521 calling chrec_replace_initial_condition.
5522 (same_access_functions, analyze_subscript_affine_affine,
5523 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5524 (compute_subscript_distance, analyze_ziv_subscript,
5525 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5526 analyze_miv_subscript): Convert the operands before calling
5527 chrec_fold_minus or chrec_fold_plus.
5529 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5531 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5532 the dependence_relations vector.
5533 (compute_data_dependences_for_loop): Adjust call to
5534 compute_all_dependences.
5536 2006-04-01 Roger Sayle <roger@eyesopen.com>
5537 Richard Henderson <rth@redhat.com>
5539 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5540 gimple_boolify on the condition before calling gimplify_expr.
5542 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5544 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5545 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5546 the frame size. Update to use the new macros.
5547 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5548 * config/xtensa/ieee754-df.S: Likewise.
5550 2006-03-31 Richard Henderson <rth@redhat.com>
5552 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5553 (make_edges): ... here. Control fallthru creation with a local
5554 variable. Do not play with fake edges.
5555 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5556 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5559 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5561 * dwarf2.h (DW64_CIE_ID): Define.
5562 * dwarf2out.c (DWARF_CIE_ID): Define.
5563 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5564 length header. Use DWARF_CIE_ID.
5565 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5566 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5568 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5570 * config/sh/linux-atomic.asm: New file.
5571 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5573 2006-03-31 DJ Delorie <dj@redhat.com>
5575 * config/m32c/cond.md: Set condition flags properly throughout.
5576 * config/m32c/minmax.md: Likewise.
5577 * config/m32c/prologue.md: Likewise.
5578 * config/m32c/bitops.md: Likewise.
5579 * config/m32c/muldiv.md: Likewise.
5580 * config/m32c/mov.md: Likewise.
5581 * config/m32c/addsub.md: Likewise.
5582 * config/m32c/m32c.md: Likewise.
5583 * config/m32c/jump.md: Likewise.
5584 * config/m32c/shift.md: Likewise.
5586 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5587 conditionally output the pattern for this.
5588 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5589 (m32c_compare_redundant): New.
5590 (m32c_output_compare): New.
5591 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5593 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5594 dest, not src. Allow other 4-byte modes.
5596 2006-03-30 Denis Chertykov <denisc@overta.ru>
5598 * doc/md.texi: Refer to avr/constraints.md instead of
5601 2006-03-30 Roger Sayle <roger@eyesopen.com>
5603 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5604 signed vs. unsigned comparison failures on some hosts.
5606 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5609 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5610 change to FLOAT_REGS.
5612 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5613 (rs6000_override_options): Use it.
5614 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5615 only for -mabi=spe/no-spe and -mabi=altivec.
5617 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5619 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5622 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5624 * Makefile.in: Rename docdir to gcc_docdir.
5626 2006-03-30 Roger Sayle <roger@eyesopen.com>
5629 * expr.c (emit_group_store): Optimize group stores into a pseudo
5630 register by using a paradoxical subreg to initialize the destination
5631 if the first or last member of the group specifies a "low part".
5633 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5636 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5637 * target.h (struct gcc_target.speculate_insn): Change type of the
5638 second parameter to 'int'.
5639 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5640 the second operand of the DEPS_LIST.
5641 (copy_DEPS_LIST_list): Update reference to the second operand of the
5643 * rtl.h (alloc_DEPS_LIST): Update signature.
5644 * sched-int.h (ds_t): Change typedef to 'int'.
5645 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5647 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5649 * haifa-sched.c (try_ready): Change condition to restore
5650 non-speculative pattern of the instruction.
5651 (process_insn_depend_be_in_spec): Code to keep probability of the
5652 speculative dependence non-decreasing.
5654 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5656 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5657 (single_move_for_movmem): ... this. Also change all uses.
5658 (bfin_expand_strmov): Renamed to...
5659 (bfin_expand_movmem): ... this. Also change all uses.
5660 * config/bfin/bfin.md (movstrsi): Renamed to...
5661 (movstrsi): ...this.
5663 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5665 PR tree-optimization/26830
5667 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5668 (copy_prop_visit_stmt): Remove write-only variable ann.
5669 (init_copy_prop): Check variable loop depth here. Do not simulate
5670 memory-tag and virtual operand PHIs except for store copy prop.
5672 2006-03-30 Richard Guenther <rguenther@suse.de>
5674 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5675 variants with double arguments.
5677 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5679 * genpreds.c (write_tm_constrs_h): Delete variable p.
5680 * genconditions.c (write_header): Add tm-constrs.h to included
5682 * genpeep.c (main): Add toplev.h to included headers.
5683 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5684 (build/genpeep.o): Add toplev.h dependency.
5685 * config/rs6000/constraints.md: Add "W" constraint.
5687 2006-03-29 Roger Sayle <roger@eyesopen.com>
5689 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5690 sizes by correctly testing whether the size fits a host integer.
5691 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5692 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5693 SImode range for the default sizetype and bitsizetype.
5695 2006-03-29 Roger Sayle <roger@eyesopen.com>
5697 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5698 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5699 quickly if the argument is already of the correct type.
5700 Call fold_build1 instead of build1. Tidy up blank lines.
5702 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5704 * genemit.c (main): Add tm-constrs.h to included headers.
5705 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5706 * genpeep.c (main): Add tm-constrs.h to included headers.
5707 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5708 (write_tm_constrs_h): this and write complete file.
5709 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5710 (write_insn_preds_c): Add tm-constrs.h to included headers.
5711 (gen_constrs): New variable.
5712 (parse_option): Parse "-c".
5713 (main): Invoke write_tm_constrs_h.
5714 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5715 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5716 (object_out_file): Add tm-constrs.h dependency.
5717 (insn-emit.o): Same.
5718 (insn-output.o): Same.
5719 (insn-peep.o): Same.
5720 (insn-preds.o): Same.
5721 (insn-recog.o): Same.
5722 (tm-constsr.h): New target.
5723 (s-constrs-h): New target.
5725 * config/rs6000/constraints.md: New file.
5726 * config/rs6000/rs6000.c: Include tm-constrs.h.
5727 (num_insn_constant_wide): Convert to satisfies_constraint.
5728 (rs6000_rtx_costs): Convert to satisfies_constraint.
5729 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5730 (CONST_OK_FOR_LETTER_P): Delete.
5731 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5732 (EXTRA_CONSTRAINT): Delete.
5733 (EXTRA_MEMORY_CONSTRAINT): Delete.
5734 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5735 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5736 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5737 satisfies_constraint.
5739 * config/i386/i386.c: Include tm-constrs.h.
5741 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5743 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5744 * tree-data-ref.c (find_data_references_in_loop,
5745 compute_data_dependences_for_loop): Use pointers to VEC.
5746 (analyze_all_data_dependences): Adjust calls.
5747 * tree-data-ref.h (find_data_references_in_loop,
5748 compute_data_dependences_for_loop): Adjust declarations.
5749 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5750 compute_data_dependences_for_loop.
5752 2006-03-29 Paul Brook <paul@codesourcery.com>
5754 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5757 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5759 PR tree-optimization/26859
5760 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5762 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5763 for the step after fold_convert.
5765 2006-03-29 Paul Brook <paul@codesourcery.com>
5767 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5768 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5770 2006-03-29 Paul Brook <paul@codesourcery.com>
5773 * targhooks.c (default_narrow_bitfield): New fuction.
5774 * targhooks.h (default_narrow_bitfield): add prototype.
5775 * target.h (gcc_target): Add narrow_volatile_bitfield.
5776 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5777 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5778 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5779 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5781 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5783 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5785 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5786 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5787 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5788 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5789 (s390_function_arg_float): Allow SDmode and DDmode values to be
5790 passed in floating point registers.
5791 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5792 check with SCALAR_FLOAT_MODE_P.
5793 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5795 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5797 PR tree-optimization/25985
5798 * tree-ssa-loop-niter.c (number_of_iterations_le,
5799 number_of_iterations_ne): Make comments more precise.
5800 (number_of_iterations_cond): Add only_exit argument. Use the
5801 fact that signed variables do not overflow only when only_exit
5803 (loop_only_exit_p): New.
5804 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5805 number_of_iterations_cond.
5807 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5809 PR tree-optimization/26643
5810 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5813 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5815 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5816 (divsi3_i4_int): Likewise.
5818 2006-03-28 Roger Sayle <roger@eyesopen.com>
5820 * expr.c (emit_group_store): Only create a new pseudo reg if the
5821 quantity it needs to hold isn't already a suitable pseudo.
5823 2006-03-28 Jeff Law <law@redhat.com>
5825 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5826 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5828 2006-03-28 Roger Sayle <roger@eyesopen.com>
5830 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5831 the equivalent ~X & Y, and the symmetry related transformations.
5832 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5833 ~X & Y, and symmetry related transforms.
5835 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5837 Revert my 2006-03-27 patches.
5839 2006-03-28 Roger Sayle <roger@eyesopen.com>
5841 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5842 ~(T1)X, when T1 and T2 are integer types of the same precision
5843 and (T2)X isn't an extension.
5845 2006-03-28 Jeff Law <law@redhat.com>
5847 PR tree-optimization/26796
5848 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5849 need EH edge cleanups rather than purging them immediately.
5850 (eliminate_degenerate_phis): Handle queued EH cleanups.
5852 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5854 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5857 2006-03-27 Roger Sayle <roger@eyesopen.com>
5860 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5861 cast BIT_NOT_EXPR operand to the correct type.
5863 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5865 * tree-loop-linear.c: Don't include varray.h.
5866 (gather_interchange_stats, try_interchange_loops,
5867 linear_transform_loops): Use VEC instead of VARRAY.
5868 * lambda-mat.c: Don't include varray.h.
5869 * tree-chrec.c: Same.
5870 * lambda-trans.c: Same.
5871 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5872 VEC instead of VARRAY.
5873 * tree-vectorizer.h: Idem.
5874 * tree-data-ref.c (dump_data_references,
5875 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5876 initialize_data_dependence_relation, finalize_ddr_dependent,
5877 compute_all_dependences, find_data_references_in_loop,
5878 compute_data_dependences_for_loop, analyze_all_data_dependences,
5879 free_dependence_relation, free_dependence_relations,
5880 free_data_refs): Idem.
5881 * tree-data-ref.h (data_reference_p, subscript_p): New.
5882 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5883 VEC instead of VARRAY.
5884 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5885 (find_data_references_in_loop, compute_data_dependences_for_loop,
5886 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5887 dump_data_dependence_relations, free_dependence_relations,
5888 free_data_refs): Adjust declaration.
5889 (lambda_transform_legal_p): Move declaration here...
5890 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5891 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5892 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5893 vect_analyze_data_refs): Use VEC instead of VARRAY.
5894 * lambda.h (lambda_transform_legal_p): ...from here.
5895 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5896 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5897 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5898 tree-chrec.o): Don't depend on VARRAY_H.
5900 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5902 * rtl.def (Copyright): Update date.
5903 (DEPS_LIST): Change type of the second operand to 'int'.
5904 * target.h (Copyright): Update date.
5905 (struct gcc_target.speculate_insn): Change type of the second parameter
5907 * lists.c (Copyright): Update date.
5908 (alloc_DEPS_LIST): Change signature. Update reference to the second
5909 operand of the DEPS_LIST.
5910 (copy_DEPS_LIST_list): Update reference to the second operand of the
5912 * rtl.h (Copyright): Update date.
5913 (alloc_DEPS_LIST): Update signature.
5914 * sched-int.h (Copyright): Update date.
5915 (ds_t): Change typedef to 'int'.
5916 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5918 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5920 * haifa-sched.c (Copyright): Update date.
5921 (try_ready): Change condition to restore non-speculative pattern
5923 (process_insn_depend_be_in_spec): Code to keep probability of the
5924 speculative dependence non-decreasing.
5926 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5928 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5929 shut up the compiler.
5931 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5933 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5934 to use lib prefix for target.
5935 ($(T)libic_invalidate_array_4-200.a): Likewise.
5936 ($(T)libic_invalidate_array_4a.a): Likewise.
5938 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5939 J"orn Rennecke <joern.rennecke@st.com>
5941 * superh.opt: New file.
5942 * sh.c (boardtype, osruntime): Remove.
5943 * superh.h (SUBTARGET_OPTIONS): Remove.
5944 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5946 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5947 arguments with ^ and/or [].
5949 * config.gcc (sh-*-*): Add quoting to account for quirk of
5951 Replace == with = in enable_incomplete_targets test.
5953 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5954 with MASK_LITTLE_ENDIAN.
5956 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5957 * config/sh/sh.opt: Added to some comments.
5958 * config/sh/superh.h: Removed some chaff.
5960 * config/sh/sh.opt: Add m4-[1234]00* options.
5961 * config/sh/sh.c (sh_handle_option): Likewise.
5962 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5963 (ic_invalidate_array_4-100.o): New rule.
5964 ($(T)libic_invalidate_array_4-100.a): Likewise.
5965 (ic_invalidate_array_4-200.o): Likewise.
5966 ($(T)libic_invalidate_array_4-200.a): Likewise.
5967 (ic_invalidate_array_4a.o): Likewise.
5968 ($(T)libic_invalidate_array_4a.a): Likewise.
5969 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5970 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5972 * config/sh/crt1.asm: Merged in profiling code.
5973 * config/sh/superh.h (STARTFILE_SPEC): Override.
5974 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5975 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5976 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5978 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5979 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5980 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5982 * sh.opt (mpretend-cmove): New option.
5983 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5984 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5985 (movsicc): Add TARGET_PRETEND_CMOVE code.
5987 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5989 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5990 s390_class_max_nregs): New function prototypes.
5991 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5992 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5993 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5994 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5996 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5998 * dwarf2out.c (add_location_or_const_value_attribute): Call
5999 tree_add_const_value_attribute if nothing else works.
6000 (reference_to_unused): New.
6001 (rtl_for_decl_init): Use reference_to_unused to decide whether
6002 to output an initializer.
6004 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6007 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6008 peephole removing spe frob_di_df_2.
6010 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6012 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6013 (subscript_dependence_tester_1): Declared.
6014 (print_dir_vectors, print_dist_vectors): New.
6015 (debug_data_dependence_relation): New.
6016 (dump_data_dependence_relation): Print more details.
6017 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6018 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6019 (save_dist_v, save_dir_v, add_outer_distances,
6020 build_classic_dist_vector_1): New.
6021 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6022 Don't test for lambda_vector_lexico_pos.
6023 (same_access_functions, add_multivariate_self_dist,
6024 add_other_self_distances, dir_from_dist): New.
6025 (build_classic_dir_vector): Replace implementation almost identical to
6026 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6028 (subscript_dependence_tester_1): New.
6029 (subscript_dependence_tester): Handle the lexicographically negative
6030 distance vectors by recomputing the dependence relation.
6031 (compute_affine_dependence): Remove parameter loop_nest_depth.
6032 (compute_self_dependence): Don't call compute_subscript_distance.
6033 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6034 Add a parameter for the loop_nest.
6035 (find_loop_nest_1, find_loop_nest): New.
6036 (compute_data_dependences_for_loop): Compute the loop nest, and give
6037 up if the nest is not well formed.
6038 * tree-data-ref.h (loop_p): New.
6039 (struct data_dependence_relation): Replace size_vect field with
6040 loop_nest, a vec of loops.
6041 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6042 (DDR_LOOP_NEST): New.
6043 (print_dir_vectors, print_dist_vectors,
6044 debug_data_dependence_relation): Declared.
6045 (index_in_loop_nest): New.
6046 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6047 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6050 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6052 * simplify-rtx.c (simplify_relational_operation): Call
6053 simplify_relational_operation_1 even if mode is VOIDmode.
6055 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6057 PR tree-optimization/26804
6058 * tree.h (DECL_CALL_CLOBBERED): New macro.
6059 (tree_decl_common): Add call_clobbered_flag.
6060 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6061 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6062 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6063 (mark_non_addressable): Ditto.
6064 * tree-ssa.c (verify_call_clobbered): New function.
6065 (verify_alias_info): Use it.
6066 * tree-pass.h (pass_reset_cc_flags): New prototype.
6067 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6068 (reset_cc_flags): New function.
6069 * passes.c (init_optimization_passes): Call reset_cc_flags after
6070 initializing referenced_vars.
6072 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6073 Roger Sayle <roger@eyesopen.com>
6076 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6077 to 1.0 for non-real operands. Implement A / A optimization for
6080 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6082 * config/i386/i386.c (size_cost): Correct the comment for
6083 cost of storing fp registers.
6084 (i386_cost): Likewise.
6085 (i486_cost): Likewise.
6086 (pentium_cost): Likewise.
6087 (pentiumpro_cost): Likewise.
6088 (k6_cost): Likewise.
6089 (athlon_cost): Likewise.
6090 (k8_cost): Likewise.
6091 (pentium4_cost): Likewise.
6092 (nocona_cost): Likewise.
6093 (generic64_cost): Likewise.
6094 (generic32_cost): Likewise.
6096 2006-03-24 Denis Chertykov <denisc@overta.ru>
6098 * config/avr/avr-protos.h (extra_constraint): Delete.
6099 (extra_constraint_Q): New declaration.
6100 * config/avr/constraints.md: New file.
6101 * config/avr/avr.md: Include it.
6102 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6103 (TMP_REGNO, ZERO_REGNO): Likewise.
6104 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6105 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6106 (extra_constraint): Delete.
6107 (extra_constraint_Q): Test for memory constraint 'Q'.
6108 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6109 (REG_CLASS_FROM_LETTER): Delete.
6110 (CONST_OK_FOR_LETTER_P): Delete.
6111 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6112 (EXTRA_CONSTRAINT): Delete.
6113 (TMP_REGNO): Delete.
6114 (ZERO_REGNO): Delete.
6116 2006-03-24 Jeff Law <law@redhat.com>
6118 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6119 directly. Call mark_new_vars_to_rename slightly earlier.
6121 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6123 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6125 (gen_compile_unit_die): Use new language types for Objective-C and
6127 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6128 DW_LANG_C_plus_plus.
6131 * config/t-darwin (crt3.o): Work around bug 26840.
6132 * config/darwin-crt3.c: Rewrite.
6133 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6135 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6137 * doc/invoke.texi: Document -femit-class-debug-always
6138 * common.opt: Add -femit-class-debug-always.
6140 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6142 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6143 index and base register.
6144 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6145 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6146 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6147 REGNO_OK_FOR_INDEX_P.
6148 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6150 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6151 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6152 REG_OK_FOR_BASE_P): Definitions removed.
6154 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6157 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6158 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6159 set yet or weren't marked as local yet.
6161 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6163 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6166 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6168 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6169 (rs6000_legitimate_small_data_p): Delete.
6170 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6171 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6172 and make static. Add forward declaration. Update uses.
6173 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6174 of offsettable_memref_p.
6175 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6176 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6178 2006-03-24 Jeff Law <law@redhat.com>
6180 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6181 around bug in immediate-use iterator.
6183 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6186 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6187 or __LITTLE_ENDIAN__.
6189 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6191 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6192 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6193 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6194 * config/sh/sh.opt (mdiv=): Amend description.
6195 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6196 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6197 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6198 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6199 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6200 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6201 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6202 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6203 TARGET_DIVIDE_CALL_FP.
6205 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6207 * haifa-sched.c (choose_ready): Fix type of the local variable.
6208 Move local variables. Add comment.
6209 (check_reg_live): Change signature. Make callable from debugger.
6210 * sched-int.h (check_reg_live): Update signature.
6211 * sched-ebb.c (check_reg_live): Update parameters.
6212 * sched-rgn.c (check_reg_live): Ditto.
6213 (region_head_or_leaf_p): Check pointer before dereferencing.
6214 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6215 before reload on optimization levels below 1.
6217 2006-03-23 Richard Henderson <rth@redhat.com>
6219 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6223 * config/alpha/predicates.md (local_symbolic_operand): Reject
6226 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6229 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6230 expressions which have overflowed constants.
6232 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6234 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6236 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6238 * cfgloopmanip.c (create_loop_notes): Removed.
6239 * final.c (final_scan_insn): Do not handle loop notes.
6240 * jump.c (squeeze_notes): Ditto.
6241 * cfglayout.c (skip_insns_after_block,
6242 duplicate_insn_chain): Ditto.
6243 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6245 * cfgloop.h (create_loop_notes): Declaration removed.
6247 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6249 * varasm.c (output_constant_pool): Restore fnname and fndecl
6251 (assemble_start_function): Adjust call accordingly.
6252 (assemble_end_function): Likewise.
6254 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6257 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6260 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6262 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6265 * system.h (ICE_EXIT_CODE): New macro.
6266 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6267 (diagnostic_action_after_output): Likewise.
6268 * gcc.c (fatal_ice): New function.
6269 (execute): Use it instead of fatal.
6270 (fancy_abort): Likewise.
6271 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6273 2006-03-22 Jeff Law <law@redhat.com>
6275 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6276 iv_analyze_result returning false.
6278 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6280 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6282 2006-03-22 Richard Henderson <rth@redhat.com>
6285 * except.c (duplicate_eh_regions_0): New.
6286 (duplicate_eh_region_1): Duplicate the children of the node as
6287 well as the node itself. Link them up properly.
6288 (duplicate_eh_region_2): Merge into ...
6289 (duplicate_eh_regions): ... here. Take copy_region argument, and
6290 copy only a sub-tree if asked. Simplify copying and fixup.
6291 (eh_region_outer_p): New.
6292 * except.h (duplicate_eh_regions): Update decl.
6293 (eh_region_outer_p): Declare.
6294 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6295 (lower_omp_master): Likewise.
6296 (lower_omp_ordered): Likewise.
6297 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6298 (move_stmt_r): Use it to remap labels. Handle recursion vs
6299 remap_decls_p properly.
6300 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6301 (find_outermost_region_in_block): New.
6302 (new_label_mapper): New.
6303 (move_sese_region_to_fn): Copy eh information to the new function
6305 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6307 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6310 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6312 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6313 into shared libraries.
6315 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6317 * doc/md.texi: Refer to i386/constraints.md instead of
6319 * config/i386/constraints.md: New file, extracted from...
6320 * config/i386/predicates.md: ...here.
6321 * config/i386/i386.md: Include constraints.md.
6323 2006-03-21 Jason Merrill <jason@redhat.com>
6325 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6328 * expr.c (init_block_move_fn): Force default visibility.
6329 (init_block_clear_fn): Likewise.
6330 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6331 * targhooks.c (default_external_stack_protect_fail): Likewise.
6333 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6335 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6336 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6337 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6338 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6339 (loadgp): Use mips_current_loadgp_style.
6340 (loadgp_noshared): New pattern.
6341 (sibcall_internal): Use MIPS_CALL.
6342 (sibcall_value_internal): Likewise.
6343 (sibcall_value_multiple_internal): Likewise.
6344 (call_internal): Likewise.
6345 (call_value_internal): Likewise.
6346 (call_value_multiple_internal): Likewise.
6347 (call_split): Use MIPS_CALL and add an 'S' constraint.
6348 (call_value_split): Likewise.
6349 (call_value_multiple_split): Likewise.
6350 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6351 (-mshared): New option.
6352 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6353 (mips_current_loadgp_style): Declare.
6354 * config/mips/mips.c (mips_classify_symbol): Avoid using
6355 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6356 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6357 TARGET_ABSOLUTE_ABICALLS.
6358 (override_options): Adjust comments. Improve the warning that is
6359 issued when -mabicalls and -G are used together.
6360 (mips_file_start): Remove comment.
6361 (mips_current_loadgp_style): New function.
6362 (mips_gnu_local_gp): New variable.
6363 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6365 (mips_output_function_prologue): Use mips_current_laodgp_style.
6366 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6367 the cprestore instruction.
6368 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6369 live for TARGET_ABSOLUTE_ABICALLS.
6370 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6371 (ASM_SPEC): Pass down -mshared and -mno-shared.
6372 (MIPS_CALL): New macro.
6373 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6375 * doc/invoke.texi (-mabicalls): Update documentation.
6376 (-mshared): Document.
6378 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6380 * config/ia64/unwind-hpux.c: New file.
6381 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6383 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6386 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6388 2006-03-21 Jeff Law <law@redhat.com>
6390 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6391 type conversions of a VR_VARYING source to a wider type.
6393 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6395 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6396 tm_file on Solaris 10 and later.
6397 (sparc64-*-solaris2*): Likewise.
6398 (sparc-*-solaris2*): Likewise.
6399 * config/sol26.h: Rename to config/sol2-6.h.
6400 * config/sol2-10.h: New file.
6402 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6405 * tree-ssa-pre.c (create_component_ref_by_pieces):
6408 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6411 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6412 return it immediately.
6414 2006-03-21 Michael Matz <matz@suse.de>
6416 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6418 (remove_arc, add_arc): Update num_out_arcs member.
6419 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6421 (cache_presence): New function.
6422 (compare_states_for_equiv): New function.
6423 (state_is_differed): Don't take number of outargs, adjust callers.
6424 Use new invariant for speeding up.
6425 (init_equiv_class): Create initial classes based on sorted
6427 (partition_equiv_class): Don't track out_arcs_num.
6428 (evaluate_equiv_classes): Call cache_presence on all states and
6431 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6433 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6434 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6435 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6436 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6438 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6439 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6440 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6441 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6442 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6444 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6445 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6446 (REGNO_REG_CLASS): ARGP is in PREGS.
6447 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6449 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6450 to deal with those addresses.
6451 * addresses.h: New file.
6452 * caller-save.c: Include "addresses.h".
6453 (init_caller_save): Use new base_reg_class function.
6454 * rtl-factoring.c: Include "addresses.h".
6455 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6456 * recog.c: Include "addresses.h".
6457 (preprocess_constraints): Use new base_reg_class function.
6458 * regrename.c: Include "addresses.h".
6459 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6460 functions. Keep track of a new var INDEX_CODE to compute valid
6462 (replace_oldest_value_addr): Likewise.
6463 (replace_oldest_value_mem): Use base_reg_class.
6464 * reload.c: Include "addresses.h".
6465 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6466 (find_reloads): Use new base_reg_class function.
6467 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6468 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6469 all callers and prototype changed.
6470 * reload1.c: Include "addresses.h".
6471 (maybe_fix_stack_asms): Use base_reg_class.
6472 * regclass.c: Include "addresses.h".
6473 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6474 (init_reg_autoinc): Use new base_reg_class function.
6475 (record_reg_classes): Likewise.
6476 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6477 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6478 Use new args to compute necessary class.
6480 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6481 regrename.o, rtl-factoring.o): Update dependencies.
6482 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6483 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6484 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6485 REG_OK_FOR_INDEX_P): Delete documentation.
6487 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6489 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6490 from V7 to V9 for Solaris 7 and above.
6492 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6494 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6495 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6496 argument pointers may not alias any other storage.
6497 * common.opt: Define option -fargument-noalias-anything.
6498 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6499 alias semantics is specified by flag_argument_noalias > 2.
6501 2006-03-20 Jeff Law <law@redhat.com>
6503 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6504 (pass_phi_only_cprop): Declare.
6505 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6507 * tree-ssa-dom.c (degenerate_phi_result): New function.
6508 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6509 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6510 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6511 (eliminate_degenerate_phis): Likewise.
6512 (pass_phi_only_cprop): New pass descriptor.
6513 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6514 support code. Callers updated.
6515 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6516 (store_copy_prop): Likewise.
6517 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6519 2006-03-20 Jason Merrill <jason@redhat.com>
6522 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6523 (push_visibility, pop_visibility): Likewise.
6524 * c-pragma.h: Declare them.
6526 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6528 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6530 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6531 parameter and use get_ebb_head_tail.
6532 (sh_md_init_global): Adjust uses of find_regmode_weight.
6534 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6536 * function.h (struct function) <x_tail_recursion_reentry>:
6537 Rename to x_stack_check_probe_note.
6538 (tail_recursion_reentry): Rename to stack_check_probe_note.
6539 * function.c: Replace tail_recursion_reentry with
6540 stack_check_probe_note everywhere.
6541 (expand_function_start): Only emit a note for
6542 stack_check_probe_note with -fstack-protect.
6543 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6545 * emit-rtl.c (remove_unnecessary_notes): Remove.
6546 (pass_remove_unnecessary_notes): Remove.
6547 * rtl.h (remove_unnecessary_notes): Remove prototype.
6548 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6549 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6550 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6552 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6555 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6556 (valid_in_set): Handle ARRAY_REF.
6557 Change "if min_variant or VH" to asserts.
6558 (create_component_ref_by_pieces): Handle ARRAY_REF.
6559 (create_expression_by_pieces): Likewise.
6560 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6562 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6564 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6565 is operand of switch, not str[0].
6567 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6569 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6570 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6572 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6574 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6575 end of insn_extra_address_constraint declaration.
6577 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6579 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6580 (no-sum-in-toc): Same.
6581 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6583 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6584 NO_FP_IN_TOC for -fPIC instead of mask.
6586 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6587 (BOOT_LDFLAGS): Delete.
6589 * config/rs6000/t-aix52: Same.
6591 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6592 (stmsi[345678]_power): New.
6594 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6596 * config/ia64/ia64.opt: Add empty line to end of file.
6598 2006-03-17 Richard Guenther <rguenther@suse.de>
6601 * builtins.c (get_pointer_alignment): For component style references
6602 adjust alignment to the component type alignment. Make sure
6603 to adjust alignment for component access of constants.
6605 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6607 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6610 2006-03-17 Paul Brook <paul@codesourcery.com>
6612 * doc/install.texi: Docuemnt --with-mode.
6613 * config.gcc: Add --with-mode for arm*-*-*.
6614 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6616 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6618 * sh.c (max_labelno_before_reorg): New variable.
6619 (sh_reorg): Initialize it.
6620 (find_barrier): Check max_labelno_before_reorg before using
6621 label_to_alignment. Take length of explicit alignment insns
6622 into account. When seeing a UNSPECV_CONST_END, return it.
6624 * sh.c (fixup_mova): Set mode of affected label to QImode.
6625 (untangle_mova): New function.
6626 (find_barrier): Use it. Check mode of label before decrementing
6628 (sh_reorg): Likewise.
6629 Set mode of all insns back to VOIDmode.
6631 * sh.c (MOVA_LABELREF): New macro.
6632 (mova_p, fixup_mova, sh_reorg): Use it.
6633 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6634 ADDR_DIFF_VEC matches mova.
6636 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6638 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6639 with ATTRIBUTE_UNUSED.
6641 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6643 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6644 pointer, instead of assuming it is possible to derive the
6645 correct args size from a call insn.
6647 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6649 * rtl.h (CONST_INT_P): Define.
6650 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6651 instead of GET_CODE(x) == CONST_INT.
6652 (vax_rtx_costs): Likewise.
6653 (vax_output_int_move): Likewise.
6654 (vax_output_int_add): Likewise.
6655 (legitimate_constant_address_p): Likewise.
6656 (index_term_p): Likewise.
6657 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6658 * config/vax/vax.md (and<mode>3): Likewise.
6659 (ashrsi3): Likewise.
6661 (movstricthi): Likewise.
6662 (movstrictqi): Likewise.
6663 (rotrsi3): Likewise.
6664 (five unnamed insns): Likewise.
6666 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6668 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6669 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6670 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6671 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6672 Pass to ASM_OUTPUT_DWARF_OFFSET.
6673 * dwarf2out.c (debug_frame_section): New.
6674 (output_call_frame_info): Use debug_frame_section. Pass it to
6675 dw2_asm_output_offset.
6676 (output_die): Pass appropriate section to dw2_asm_output_offset.
6677 (output_compilation_unit_header): Likewise.
6678 (output_pubnames): Likewise.
6679 (output_aranges): Likewise.
6680 (enum dw_val_class): Break dw_val_class_lbl_offset into
6681 dw_val_class_lineptr and dw_val_class_macptr.
6682 (add_AT_lbl_offset): Delete.
6683 (add_AT_lineptr): New.
6684 (add_AT_macptr): New.
6685 (AT_lbl): Expect a lineptr or macptr.
6686 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6687 (attr_checksum): Likewise.
6688 (same_dw_val_p): Likewise.
6689 (size_of_die): Likewise.
6690 (value_format): Likewise.
6691 (output_die): Likewise.
6692 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6694 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6695 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6696 * config/darwin-protos.h (darwin_file_start): New.
6697 (darwin_asm_output_dwarf_offset): New.
6698 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6699 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6701 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6702 if not EH section; simplify.
6703 (darwin_file_start): New.
6704 (darwin_asm_output_dwarf_offset): New.
6705 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6707 (DEBUG_INFO_SECTION): Likewise.
6708 (DEBUG_ABBREV_SECTION): Likewise.
6709 (DEBUG_ARANGES_SECTION): Likewise.
6710 (DEBUG_MACINFO_SECTION): Likewise.
6711 (DEBUG_LINE_SECTION): Likewise.
6712 (DEBUG_LOC_SECTION): Likewise.
6713 (DEBUG_PUBNAMES_SECTION): Likewise.
6714 (DEBUG_STR_SECTION): Likewise.
6715 (DEBUG_RANGES_SECTION): Likewise.
6716 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6717 (ASM_OUTPUT_DWARF_OFFSET): New.
6719 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6721 * config.gcc (tm_defines): Always add to previous value rather
6724 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6726 * config/mips/predicates.md (splittable_const_int_operand): New,
6727 split from move_operand.
6728 (splittable_symbolic_operand): New.
6729 (move_operand): Add commentary. Use splittable_const_int_operand.
6730 Inline mips_atomic_symbolic_constant_p.
6731 * config/mips/mips.md: Add combine splitters for handling moves
6732 of splittable_const_int_operands and splittable_symbolic_operands.
6733 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6734 (mips_split_symbol): Declare.
6735 (mips_move_integer): Declare.
6736 * config/mips/mips.c (mips_split_p): Make global.
6737 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6738 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6739 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6740 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6741 (mips_offset_within_object_p): Handle block symbols.
6742 (mips_atomic_symbolic_constant_p): Delete.
6743 (mips_cannot_force_const_mem): Return false for constants that
6744 mips_legitimize_move can handle.
6745 (mips_use_blocks_for_constant_p): New function.
6746 (mips_split_symbol): Make global.
6747 (mips_move_integer): Likewise. Add a temporary register argument.
6748 (mips_legitimize_const_move): Use splittable_const_int_operand and
6749 splittable_symbolic_operand.
6750 (mips_use_anchors_for_symbol_p): New function.
6751 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6752 (mips_split_p): Declare.
6754 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6756 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6757 (mips*-*-linux*): Likewise.
6759 2006-03-16 Roger Sayle <roger@eyesopen.com>
6760 Daniel Speyer <dspeyer@wam.umd.edu>
6763 * tree-dump.c (dump_real): New function.
6764 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6765 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6766 (tree-dump.o): Add $(REAL_H) to the dependencies.
6768 2006-03-16 Roger Sayle <roger@eyesopen.com>
6771 * real.c (real_from_string): If the mantissa is zero, don't bother
6772 parsing the exponent as the result should always be zero.
6774 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6776 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6778 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6780 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6781 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6782 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6783 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6784 ia64_sched_finish_global): New static functions to implement
6785 hooks from gcc_target.sched.
6786 (spec_check_no, max_uid, pending_data_specs): New static variables.
6787 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6788 ia64_spec_check_src_p): New static functions.
6789 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6790 (TARGET_SCHED_ADJUST_COST): Removed.
6791 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6792 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6793 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6794 TARGET_SCHED_GEN_CHECK,
6795 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6796 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6797 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6798 Fixed to handle speculation checks.
6799 (rtx_needs_barrier): Fixed to handle speculative loads and
6801 (ia64_variable_issue): Added code to count speculative loads and their
6803 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6805 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6807 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6809 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6810 (ia64_reorg): Reset stops_p to NULL after it is freed.
6811 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6812 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6813 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6815 (data_speculative, control_speculative, check_load): New attributes.
6816 (mov<mode>_advanced, mov<mode>_speculative,
6817 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6818 zero_extend<mode>di2_speculative,
6819 zero_extend<mode>di2_speculative_advanced): New patterns for
6820 data and control speculative loads.
6821 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6823 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6824 New pattern for data and control speculation checks.
6825 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6826 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6827 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6828 Auxiliary definitions for the patterns.
6829 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6830 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6832 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6834 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6835 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6836 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6837 New resource constraints.
6838 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6840 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6841 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6842 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6843 msched-in-control-spec, msched-ldc, msched-control-ldc,
6844 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6845 msched-prefer-non-control-spec-insns,
6846 msched-count-spec-in-critical-path): New flags to tune speculative
6848 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6849 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6850 msched-in-control-spec, msched-ldc, msched-control-ldc,
6851 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6852 msched-prefer-non-control-spec-insns,
6853 msched-count-spec-in-critical-path): Document new flags.
6855 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6857 * target.h (struct spec_info_def): New opaque declaration.
6858 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6859 speculate_insn, needs_block_p, gen_check,
6860 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6861 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6862 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6863 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6864 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6865 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6867 (TARGET_SCHED): Use new macros.
6868 * rtl.h (copy_DEPS_LIST_list): New prototype.
6869 * sched-int.h (struct sched_info): Change signature of new_ready field,
6870 adjust all initializations. New fields: add_remove_insn,
6871 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6872 region_head_or_leaf_p.
6873 (struct spec_info_def): New structure declaration.
6874 (spec_info_t): New typedef.
6875 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6876 recovery_block, orig_pat.
6877 (glat_start, glat_end): New variables declaraions.
6878 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6880 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6881 DETACH_LIFE_INFO, USE_GLAT.
6882 (enum SPEC_SCHED_FLAGS): New enumeration.
6883 (NOTE_NOTE_BB_P): New macro.
6884 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6885 attach_life_info, debug_spec_status, check_reg_live): New functions.
6886 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6887 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6889 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6890 * ddg.c (get_block_head_tail): Adjust all uses.
6891 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6892 (sms_sched_info): Initialize new fields.
6893 (contributes_to_priority): Removed.
6894 * haifa-sched.c (params.h): New include.
6895 (get_block_head_tail): Adjust all uses.
6896 (ISSUE_POINTS): New macro.
6897 (glat_start, glat_end): New global variables.
6898 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6899 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6900 old_last_basic_block, before_recovery, current_sched_info_var,
6901 rgn_n_insns, luid): New static variables.
6902 (insn_cost1): New function. Move logic from insn_cost to here.
6903 (find_insn_reg_weight1): New function. Move logic from
6904 find_insn_reg_weight to here.
6905 (reemit_notes, move_insn, max_issue): Change signature.
6906 (move_insn1): Removed.
6907 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6908 extend_bb): New static functions to support extension of scheduler's
6910 (generate_recovery_code, process_insn_depend_be_in_spec,
6911 begin_speculative_block, add_to_speculative_block,
6912 init_before_recovery, create_recovery_block, create_check_block_twin,
6913 fix_recovery_deps): New static functions to support
6914 generation of recovery code.
6915 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6916 restore_bb_notes, move_block_after_check, move_succs): New static
6917 functions to support ebb scheduling.
6918 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6919 functions to support handling of register live information.
6920 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6921 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6922 add_jump_dependencies): New static functions.
6923 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6924 consistancy checking.
6925 (debug_spec_status): New function to call from debugger.
6926 (priority): Added code to handle speculation checks.
6927 (rank_for_schedule): Added code to distinguish speculative instructions.
6928 (schedule_insn): Added code to handle speculation checks.
6929 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6930 Fixed to handle ebbs.
6931 (move_insn): Added code to handle ebb scheduling.
6932 (max_issue): Added code to use ISSUE_POINTS of instructions.
6933 (choose_ready): Added code to choose between speculative and
6934 non-speculative instructions.
6935 (schedule_block): Added code to handle ebb scheduling and scheduling of
6936 speculative instructions.
6937 (sched_init): Initialize new variables.
6938 (sched_finish): Free new variables. Print statistics.
6939 (try_ready): Added code to handle speculative instructions.
6940 * lists.c (copy_DEPS_LIST_list): New function.
6941 * sched-deps.c (extend_dependency_caches): New function. Move logic
6942 from create_dependency_caches to here.
6943 (get_dep_weak, ds_merge): Make global.
6944 * genattr.c (main): Code to output prototype for
6945 dfa_clear_single_insn_cache.
6946 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6947 (output_dfa_clean_insn_cache_func): Code to output
6948 dfa_clear_single_insn_cache function.
6949 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6951 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6953 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6954 New static variables.
6955 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6956 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6958 (ebb_sched_info): Initialize new fields.
6959 (get_block_head_tail): Adjust all uses.
6960 (compute_jump_reg_dependencies): Fixed to use glat_start.
6961 (schedule_ebb): Code to remove unreachable last block.
6962 (schedule_ebbs): Added code to update register live information.
6963 * sched-rgn.c (region_sched_info): Initialize new fields.
6964 (get_block_head_tail): Adjust all uses.
6965 (last_was_jump): Removed. Adjust users.
6966 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6967 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6968 Implement new hooks.
6969 (check_dead_notes1): New static function.
6970 (struct region): New fields: dont_calc_deps, has_real_ebb.
6971 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6972 (BB_TO_BLOCK): Fixed to handle EBBs.
6973 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6974 (ebb_head): New static variable.
6975 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6976 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6978 (compute_dom_prob_ps): New assertion.
6979 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6980 global_live_at_start.
6981 (init_ready_list): New assertions.
6982 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6983 (new_ready): Add support for BEGIN_CONTROL speculation.
6984 (schedule_insns): Fixed code that updates register live information
6986 (schedule_region): Fixed to handle EBBs.
6987 (init_regions): Use extend_regions and check_dead_notes1.
6988 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6989 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6990 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6991 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6992 TARGET_SCHED_GEN_CHECK,
6993 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6994 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6995 * doc/invoke.texi (max-sched-insn-conflict-delay,
6996 sched-spec-prob-cutoff): Document.
6998 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7000 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7001 inter_tick, queue_index.
7002 (struct sched_info): Change signature of init_ready_list field.
7003 Adjust all initializations.
7004 (RESOLVED_DEPS): New access macro.
7005 (ready_add): Remove prototype.
7006 (try_ready): Add prototype.
7007 * sched-rgn.c (init_ready_list): Use try_ready.
7008 (schedule_region): Initialize
7009 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7010 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7011 (init_ready_list): Use try_ready.
7012 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7013 * lists.c (remove_list_elem): Remove `static'.
7014 (remove_free_INSN_LIST_elem): New function.
7015 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7016 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7017 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7019 (readyp): New variable.
7020 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7021 change_queue_index, resolve_dep): New static functions.
7022 (try_ready): New function. Adjust callers in sched-rgn.c and
7023 sched-ebb.c to use it instead of ready_add.
7024 (clock_var): Move at the begining of file.
7025 (rank_for_schedule): Fix typo.
7026 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7027 (ready_lastpos): Enforce assertion.
7028 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7030 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7031 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7032 (queue_to_ready): Use free_INSN_LIST_list.
7033 (early_queue_to_ready): Fix typo.
7034 (schedule_block): Init readyp. Move init_ready_list call after the
7035 initialization of clock_var. Fix error in rejecting insn by
7036 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7037 that previously corrected INSN_TICKs. Add code for handling
7039 (set_priorities): Fix typo.
7040 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7041 Clarify comment and code that keeps current_sched_info->next_tail
7044 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7046 * sched-rgn.c (extend_rgns): New static function.
7047 (find_rgns): Use it.
7048 (gather_region_statistics, print_region_statistics): New static
7050 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7051 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7053 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7054 Andrey Belevantsev <abel@ispras.ru>
7056 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7057 * lists.c (unused_deps_list): New variable.
7058 (free_list): Add assertions to verify the proper distinguishing
7059 between INSN_LISTs and DEPS_LISTs.
7060 (find_list_elem, remove_list_elem, remove_list_node): New static
7062 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7063 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7064 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7065 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7067 (free_INSN_LIST_node): Likewise.
7068 * modulo-sched.c (current_sched_info): Initialize flags field.
7069 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7070 * rtl.def (DEPS_LIST): Define.
7071 * rtl.h: Declare new functions from lists.c.
7072 * sched-deps.c (spec_dependency_cache): New static variable.
7073 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7074 (add_dependence): Change return type to void. Move the logic to ...
7075 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7076 (delete_all_dependences): Add comment about forward_dependency_cache.
7077 Handle spec_dependency_cache. Handle DEPS_LISTs.
7078 (fixup_sched_groups): Clarify the change of priority of output
7079 and anti dependencies.
7080 (sched_analyze_2): Adjust add_dependence calls to create data
7081 speculative dependence.
7082 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7083 Adjust all callers. Handle DEPS_LISTS.
7084 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7085 presence of speculation.
7086 (init_dependency_caches, free_dependency_caches):
7087 Handle spec_dependency_cache.
7088 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7089 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7090 New static functions.
7091 (add_or_update_back_dep, add_or_update_back_forw_dep,
7092 add_back_forw_dep, delete_back_forw_dep): New functions.
7093 * sched-int.h (ds_t, dw_t): New typedefs.
7094 (struct sched_info): Add new field flags.
7095 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7096 Prototype new sched-deps.c functions.
7097 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7098 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7099 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7100 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7101 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7102 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7104 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7106 * sched-rgn.c (current_sched_info): Initialize flags field.
7107 (schedule_insns): Initialize current_sched_info before the sched_init
7109 * sched-ebb.c (current_sched_info): Initialize flags field.
7110 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7111 Call add_or_update_back_dep instead of add_dependence.
7112 Create control speculative dependencies.
7113 (schedule_insns): Initialize current_sched_info before the sched_init
7116 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7118 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7120 (sh_fallback_frame_state): Likewise.
7122 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7124 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7125 Do switch on default_use_cxa_atexit.
7126 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7127 * config/darwin-crt3.o: New.
7128 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7129 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7130 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7132 * config/rs6000/t-darwin: Move crt2.o building to here.
7133 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7134 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7137 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7139 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7140 from '! xxx' to '!xxx' for coding-style conformance.
7141 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7142 (EXTRA_CONSTRAINT): Likewise.
7143 * config/vax/vax.md (four unnamed insns): Likewise.
7145 2006-03-15 Paul Brook <paul@codesourcery.com>
7147 * config/arm/arm.c (minipool_pad): New.
7148 (add_minipool_forward_ref): Include pool alignment padding in address
7150 (push_minipool_fix): Set minipool_pad.
7151 (minipool_pad): Ditto.
7153 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7155 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7156 instead of GET_CODE() == MEM and REG_P() instead of
7158 (print_operand_address): Likewise.
7159 (vax_address_cost): Likewise.
7160 (vax_rtx_costs): Likewise.
7161 (vax_notice_update_cc): Likewise.
7162 (vax_output_int_add): Likewise.
7163 (INDEX_REGISTER_P): Likewise.
7164 (BASE_REGISTER_P): Likewise.
7165 (nonindexed_address_p): Likewise.
7166 (vax_mode_dependent_address_p): Likewise.
7167 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7168 (PRINT_OPERAND): Likewise.
7169 * config/vax/vax.md (ashlsi3): Likewise.
7170 (ashlsi3): Likewise.
7171 (some more unnamed insns): Likewise.
7173 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7175 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7176 iterator-style macro.
7177 (mark_control_dependent_edges_necessary): Update the use of
7178 EXECUTE_IF_CONTROL_DEPENDENT.
7180 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7182 * config/sh/predicates.md (cache_address_operand): Special.
7183 (ua_address_operand): Likewise.
7185 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7187 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7189 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7191 2006-03-15 Andreas Schwab <schwab@suse.de>
7193 * gensupport.c (identify_predicable_attribute): Don't free p_false
7194 when it is still in use.
7196 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7198 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7199 the default setting here.
7201 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7203 * tree-pass.h (pass_cfg): Remove.
7204 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7205 * passes.c (pass_cfg): Don't run it.
7207 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7209 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7210 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7212 (stack_regs_mentioned): Update the uses of
7213 stack_regs_mentioned_data. Don't access the array beyond its
7215 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7216 Don't include gt-reg-stack.h.
7218 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7219 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7221 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7224 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7227 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7229 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7231 2006-03-14 Richard Guenther <rguenther@suse.de>
7233 PR tree-optimization/26672
7234 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7237 2006-03-14 Richard Guenther <rguenther@suse.de>
7239 PR tree-optimization/26667
7240 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7241 node for the callees. Always allow inlining if it will shrink
7244 2006-03-14 Richard Guenther <rguenther@suse.de>
7247 * builtins.c (get_pointer_alignment): Prefer alignment
7248 information from decls over that from types.
7250 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7253 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7255 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7257 * config/rs6000/rs6000.opt (mdlmzb): New option.
7258 (msched-prolog, msched-epilog): Use Var not Mask.
7259 * doc/invoke.texi (-mdlmzb): Document.
7260 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7262 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7263 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7265 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7267 PR rtl-optimization/25739
7268 * bt-load.c (augment_live_range): Free tos pointer.
7270 * gensupport.c (identify_predicable_attribute): Free
7272 * gcov.c (create_file_names): Free name pointer.
7274 2006-03-13 Roger Sayle <roger@eyesopen.com>
7277 * stmt.c (emit_case_nodes): Handle the case where the index is a
7278 CONST_INT, where the comparison mode is specified by the index type.
7280 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7282 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7285 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7287 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7288 (*branch_fp_inverted): Likewise.
7290 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7293 * omp-low.c (expand_omp_for_generic): Mark istart0
7294 and iend0 as addressable.
7296 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7298 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7300 2006-03-13 Jeff Law <law@redhat.com>
7302 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7303 virtual operands are interesting.
7304 (vrp_visit_stmt): Corresponding changes.
7306 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7308 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7310 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7311 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7312 * config/bfin/crti.S: Use it instead of __PIC__.
7313 * config/bfin/crtn.S: Likewise.
7315 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7316 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7318 Lose 'G' modifier for call operand.
7319 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7320 recognize 'G' modifier.
7322 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7325 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7326 * stmt.c (expand_case): Likewise.
7328 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7330 PR rtl-optimization/26254
7331 * loop-invariant.c (seq_insns_valid_p): New function.
7332 (move_invariant_reg): Only emit new code if it is valid.
7334 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7336 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7338 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7339 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7340 (commit_one_edge_insertion): Do not look for loop notes.
7342 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7344 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7345 flag_test_coverage out of loop.
7347 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7349 * final.c (shorten_branches): Remove outdated comment, and turn
7350 the if branch that guards it to continue.
7352 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7354 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7355 * cfgloop.h (struct loop): Remove unused fields.
7357 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7359 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7360 (-dL, -fdump-rtl-loop2): Update the dump file names
7362 * doc/invoke.texi: Update dump file names.
7364 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7366 * predict.c (estimate_probability): Remove.
7367 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7368 * basic-block.h (estimate_probability): Remove prototype.
7369 * passes.c (finish_optimization_passes): Dump branch prediction or
7370 profiling heuristics to the .profile tree dump.
7371 (init_optimization_passes): Unqueue pass_branch_prob.
7373 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7375 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7377 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7378 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7380 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7382 * function.h (frame_offset_overflow): Declare.
7383 * function.c (frame_offset_overflow): New function.
7384 (assign_stack_local_1): Call it to detect that the offset overflows.
7385 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7387 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7389 * config/sh/sh.c: Include alloc-pool.h.
7390 (label_ref_list_pool): New alloc pool.
7391 (label_ref_list_t): New type for lists of labels.
7392 (struct pool_node): Make wend a label_ref_list_t.
7393 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7395 (dump_table): Likewise.
7396 (sh_reorg): Set up the alloc pool before using add_constant and
7397 dump_table, and destroy it when finishing.
7399 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7401 * config/mips/mips.c: Remove redundant comment.
7403 2006-03-10 Jason Merrill <jason@redhat.com>
7406 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7407 the target was declared 'register'.
7409 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7411 * genpreds.c (write_insn_constraint_len): Change definition of
7412 insn_constraint_len to return size_t to match the declaration.
7414 2006-03-10 DJ Delorie <dj@redhat.com>
7416 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7418 (m32c_expand_insv): Fix test for an AND mask.
7420 2006-03-10 Richard Guenther <rguenther@suse.de>
7423 * builtins.c (get_pointer_alignment): Handle component
7424 references for field alignment.
7426 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7428 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7429 when building with libgloss.
7430 (sh*elf): Implement --without-fp option.
7431 (sh64-superh-linux*): Don't multilib.
7433 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7435 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7437 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7439 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7440 Set it when one of the replacement functions returned true.
7441 Return TODO_cleanup_cfg if cfgchanged is true.
7442 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7444 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7446 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7447 instead of gen_lowpart.
7449 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7451 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7453 (mips_output_order_conditional_branch): Declare.
7454 * config/mips/mips.h (MIPS_BRANCH): New macro.
7455 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7456 for the comparison. Use gen_condjump.
7457 (mips_output_conditional_branch): Rework interface to take the
7458 asm templates for a direct branch and the inverse of a direct branch.
7459 (mips_output_order_conditional_branch): New function.
7460 (mips_builtin_branch_and_move): New function.
7461 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7462 branch condition. Use gen_single_cc as the condition for
7463 __builtin_mips_upper_* or __builtin_mips_lower_*.
7464 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7465 Use VOIDmode for the branch condition.
7466 * config/mips/predicates.md (order_operator): New predicate.
7467 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7468 (branch_fp): Rename to...
7469 (*branch_fp): ...this. Remove mode from comparison operator.
7470 Use new mips_output_conditional_branch interface.
7471 (branch_fp_inverted): Rename to...
7472 (*branch_fp_inverted): ...this and update as for *branch_fp.
7473 (*branch_zero<mode>): Rename to...
7474 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7475 Use mips_output_order_conditional_branch. Only accept ordered
7477 (*branch_zero<mode>_inverted): Rename to...
7478 (*branch_order<mode>_inverted): ...this and update as for
7479 *branch_order<mode>.
7480 (*branch_equality<mode>): Accept zero as the second operand to
7481 the equality operator. Use the new mips_output_conditional_branch
7483 (*branch_equality<mode>_inverted): Likewise.
7484 (condjump): New expander.
7485 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7487 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7488 (bc1any2t, bc1any2f): Likewise.
7489 (single_cc): New expander.
7490 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7492 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7494 * doc/md.texi: Update documentation of MIPS constraints.
7495 * config/mips/constraints.md: New file.
7496 * config/mips/mips.md: Include it.
7497 * config/mips/mips.c (mips_char_to_class): Delete.
7498 (override_options): Don't initialize mips_char_to_class.
7499 * config/mips/mips.h (mips_char_to_class): Delete.
7500 (REG_CLASS_FROM_LETTER): Delete.
7501 (CONST_OK_FOR_LETTER_P): Delete.
7502 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7503 (EXTRA_CONSTRAINT_Y): Delete.
7504 (EXTRA_CONSTRAINT_STR): Delete.
7505 (CONSTRAINT_LEN): Delete.
7506 (EXTRA_MEMORY_CONSTRAINT): Delete.
7508 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7510 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7511 original fn's eh regions.
7513 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7515 * fold-const.c (build_range_check): Make sure to use a valid type to
7516 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7519 (range_predecessor): New static function.
7520 (range_successor): Likewise.
7521 (merge_ranges): Use them to compute predecessors and successors of
7524 2006-03-09 Roger Sayle <roger@eyesopen.com>
7527 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7528 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7530 2006-03-08 DJ Delorie <dj@redhat.com>
7532 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7533 (addpsi3): Expand to include memory operands. Remove
7534 reload-specific splits.
7535 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7536 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7537 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7538 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7539 (shift1_qi, shift1_hi, insv): New.
7540 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7541 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7542 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7544 * config/m32c/m32c-protos.h: Update as needed.
7545 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7546 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7547 Fail for unrecognized R* constraints.
7548 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7549 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7550 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7552 (m32c_init_libfuncs): New.
7553 (m32c_legitimate_address_p): Add debug wrapper.
7554 (m32c_rtx_costs): New.
7555 (m32c_address_cost): New.
7556 (conversions): Add 'B' prefix.
7557 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7558 operands, or word regnames for QI operands. 'B' prints bit
7560 (m32c_expand_setmemhi): New.
7561 (m32c_expand_movmemhi): New.
7562 (m32c_expand_movstr): New.
7563 (m32c_expand_cmpstr): New.
7564 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7565 (m32c_expand_neg_mulpsi3): Handle non-ints.
7566 (m32c_cmp_flg_0): New.
7567 (m32c_expand_movcc): New.
7568 (m32c_expand_insv): New.
7569 (m32c_scc_pattern): New.
7570 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7571 a0/a1 out of SIregs.
7572 (STORE_FLAG_VALUE): New.
7573 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7576 * config/m32c/mov.md: Make constraints more liberal.
7577 (zero_extendqihi2): Optimize r0/r1 case.
7578 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7579 * config/m32c/predicates.md (m32c_any_operand): New.
7580 (m32c_nonimmediate_operand): New.
7581 (m32c_hl_operand): New.
7582 (m32c_r3_operand): New.
7585 (memsym_operand): New.
7586 (memimmed_operand): New.
7587 (a_qi_operand): New.
7588 (m32c_eqne_operator): New.
7589 (m32c_1bit8_operand): New.
7590 (m32c_1bit16_operand): New.
7591 (m32c_1mask8_operand): New.
7592 (m32c_1mask16_operand): New.
7593 * config/m32c/blkmov.md: New file.
7594 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7596 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7598 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7599 unsigned to fix signed/unsigned comparison issue in
7600 DWARF2_FRAME_REG_OUT.
7601 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7602 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7604 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7605 of ptr into the ENABLE_CHECKING section.
7607 2006-03-08 Jeff Law <law@redhat.com>
7609 * tree-vrp.c (infer_value_range): Only count pointer uses
7610 and dereferences if -fdelete-null-pointer-checks is enabled.
7612 * tree-vrp.c (find_assert_locations): Infer value ranges for
7613 single use pointers, but do not create ASSERT_EXPRs for them.
7614 When a non-null range is inferred for a pointer, backwards
7615 propagate that range to other equivalent pointers through the
7618 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7621 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7622 language hook targets.
7623 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7624 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7625 if language hook targets were missing.
7627 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7629 * tree-ssa-opfinalize.h: Removed.
7630 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7632 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7633 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7634 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7635 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7636 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7637 finalize_ssa_v_must_def_ops): New.
7639 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7641 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7644 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7646 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7648 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7649 addresses with offsets; reorganize.
7651 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7652 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7653 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7655 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7658 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7660 2006-03-08 Ben Elliston <bje@au.ibm.com>
7662 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7664 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7667 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7670 2006-03-07 Richard Guenther <rguenther@suse.de>
7672 PR tree-optimization/26587
7673 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7675 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7677 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7679 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7681 * hooks.c (hook_bool_mode_rtx_true): New function.
7682 * hooks.h (hook_bool_mode_rtx_true): Declare.
7683 * toplev.c (compile_file): Call output_shared_constant_pool.
7684 * varasm.c (shared_constant_pool): New variable.
7685 (assemble_start_function, assemble_end_function): Remove arguments
7686 from call to output_constant_pool.
7687 (create_constant_pool): New function, split out from...
7688 (init_varasm_status): ...here.
7689 (force_const_mem): Choose between the shared and per-function constant
7690 pools. Set current_function_uses_const_pool when reusing old entries
7691 as well as when creating new ones.
7692 (mark_constant): Ignore data argument.
7693 (mark_constants): Remove pool argument.
7694 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7695 to decide whether the function uses a constant pool.
7696 (output_constant_pool_contents): New function, split out from...
7697 (output_constant_pool): ...here.
7698 (output_shared_constant_pool): New function.
7699 (init_varasm_once): Initialize shared_constant_pool.
7700 * output.h (output_constant_pool): Delete.
7701 (output_shared_constant_pool): Declare.
7702 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7703 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7705 2006-03-06 Nick Clifton <nickc@redhat.com>
7707 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7708 flag_strength_reduce.
7710 2006-03-06 Ben Elliston <bje@au.ibm.com>
7712 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7713 x86_64-*-linux* configurations.
7715 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7716 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7718 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7720 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7722 * basic-block.h: Remove the extern for
7723 rediscover_loops_after_threading.
7725 * cfgloop.c (cancel_loop): Make it static.
7726 * cfgloop.h: Remove the prototype for cancel_loop.
7728 * flow.c (recompute_reg_usage): Make it static.
7729 * rtl.h: Remove the prototype for recompute_reg_usage.
7731 * function.c (use_return_register): Make it static.
7732 * function.h: Remove the prototype.
7734 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7736 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7738 * recog.h: Remove the prototype for
7739 validate_change_maybe_volatile.
7741 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7743 * rtlanal.c (replace_reg): Remove.
7744 * rtl.h: Remove the prototype for replace_reg.
7746 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7748 * regclass.c (reg_scan_update): Remove.
7749 (reg_scan_mark_refs): Remove the last argument.
7750 * rtl.h: Remove the prototype for reg_scan_update.
7752 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7754 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7755 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7756 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7757 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7758 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7759 loop-invariant.c, omp-low.c, opts.c, passes.c,
7760 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7761 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7762 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7763 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7764 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7765 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7767 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7769 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7770 * dwarf2out.h: Remove the prototype for
7771 dwarf2out_add_library_unit_info.
7773 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7775 * tree.c (add_var_to_bind_expr): Remove.
7776 * tree.h: Remove the prototype for add_var_to_bind_expr.
7778 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7780 * regclass.c (n_non_fixed_regs): Remove.
7781 (init_reg_sets_1, globalize_reg): Remove all uses of
7783 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7785 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7787 * rtlanal.c (insns_safe_to_move_p): Remove.
7788 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7790 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7792 * expmed.c (expand_mult_add): Remove.
7793 * expr.h: Remove the prototype for expand_mult_add.
7795 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7797 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7798 and REG_SAVED_VAL_EXP constants.
7799 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7800 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7801 Handle regs stored by value.
7802 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7803 (execute_cfa_program): Handle DW_CFA_val_offset,
7804 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7805 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7806 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7807 (uw_install_context_1): Handle target regs stored by value.
7809 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7811 * tree-sra.c (tree_sra): Return todoflags;
7812 (generate_one_element): Set TODO_update_smt_usage if needed.
7813 (pass_sra): Remove TODO_update_smt_usage.
7814 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7816 (tree_ssa_forward_propagate_single_use_vars): Return
7817 TODO_update_smt_usage if we need to update SMT usage.
7818 (pass_forwprop): Remove TODO_update_smt_usage.
7820 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7822 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7823 (correct_use_link): Remove reference to get_stmt_operands.
7824 (update_stmt_operands): Likewise.
7825 (get_modify_expr_operands): New function factored out of
7826 parse_ssa_operands and get_expr_operands.
7827 Try to create V_MUST_DEFs for LHS by default.
7828 (get_expr_operands) <case MODIFY_EXPR>: Call
7829 get_modify_expr_operands.
7830 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7831 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7832 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7833 get_modify_expr_operands.
7835 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7837 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7838 * tree-flow.h: Remove the prototype for
7839 referenced_var_lookup_if_exists.
7841 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7843 PR rtl-optimization/26345
7845 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7847 2006-03-03 Roger Sayle <roger@eyesopen.com>
7849 PR tree-optimization/26524
7850 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7851 fold_convert to create a constant of the appropriate type.
7853 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7855 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7856 SYMBOL_REF_IN_BLOCK_P.
7857 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7858 of SYMBOL_FLAG_IN_BLOCK.
7859 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7860 instead of SYMBOL_REF_IN_BLOCK_P.
7861 * explow.c (use_anchored_address): Likewise.
7862 * rtl.c (rtx_size): Likewise.
7863 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7864 instead of SYMBOL_FLAG_IN_BLOCK.
7865 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7866 SYMBOL_REF_IN_BLOCK_P.
7867 (assemble_variable): Likewise.
7868 (output_constant_def_contents): Likewise.
7869 (output_constant_pool): Likewise.
7870 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7871 instead of SYMBOL_FLAG_IN_BLOCK.
7872 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7873 SYMBOL_REF_IN_BLOCK_P.
7874 (SYMBOL_REF_BLOCK): Likewise.
7875 (SYMBOL_REF_OFFSET): Likewise.
7876 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7877 SYMBOL_REF_IN_BLOCK_P.
7878 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7879 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7880 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7881 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7883 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7885 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7887 2006-03-02 Roger Sayle <roger@eyesopen.com>
7889 * simplify-rtx.c (simplify_unary_operation): When simplifying
7890 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7891 that we perform the right shift in the appropriate mode, and
7892 then extend or truncate the result to requested mode.
7894 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7896 * gengtype.c (main): Handle double_int type.
7897 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7898 * double-int.c: New file.
7899 * double-int.h: New file.
7900 * system.h: Include doubleint.h.
7901 * Makefile.in (SYSTEM_H): Include double-int.h.
7902 (double-int.o): Add.
7904 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7907 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7910 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7912 * tree-vrp.c (remove_range_assertions): Do not update statements
7915 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7917 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7919 * gcse.c (rest_of_handle_gcse): Ditto.
7920 * except.c (gate_handle_eh): Ditto.
7921 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7922 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7924 2006-03-02 Eric Christopher <echristo@apple.com>
7926 * config/i386/i386.c (machopic_output_stub): Add indirection to
7929 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7933 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7935 Sun Niagara specific optimizations.
7936 * config.gcc: Recognize niagara as target.
7937 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7938 (TARGET_CPU_niagara): Define.
7939 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7940 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7941 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7942 (ASM_CPU_SPEC): Likewise.
7943 (PROCESSOR_NIAGARA): New enum entry.
7944 (REGISTER_MOVE_COST): Handle Niagara.
7945 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7946 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7947 (sparc_override_options): Recognize "niagara", set appropriate
7948 default MASK_* values for it, and align functions to 32-bytes
7949 by default just like ULTRASPARC/ULTRASPARC3.
7950 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7951 (sparc64_initialize_trampoline): Likewise.
7952 (sparc_use_sched_lookahead): Use zero for niagara.
7953 (sparc_issue_rate): Use one for niagara.
7954 * config/sparc/niagara.md: New file.
7955 * config/sparc/sparc.md: Include it.
7956 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7957 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7958 when default cpu is niagara.
7959 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7960 (ASM_CPU_SPEC): Likewise.
7961 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7962 when default cpu is niagara.
7963 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7964 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7965 just like v9/ultrasparc/ultrasparc3.
7966 * doc/invoke.texi: Add documentation for "niagara" and improve
7967 existing documentation for ultrasparc variants.
7969 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7971 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7973 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7975 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7976 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7977 and say that only one is needed.
7978 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7979 * target.h (have_switchable_bss_sections): New hook.
7980 * explow.c (use_anchored_address): Check that the symbol is in a block.
7981 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7982 (bss_noswitch_section): New variables.
7983 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7984 (get_noswitch_section): New function.
7985 (get_block_for_section): Allow SECT to be null.
7986 (unlikely_text_section_p): Use SECTION_STYLE.
7987 (bss_initializer_p): New function.
7988 (get_variable_section): Move earlier in file. Take a new argument,
7989 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7990 Return one of the new *_sections in such cases.
7991 (get_block_for_decl): New function, extracting some logic from
7992 use_blocks_for_decl_p.
7993 (change_symbol_section): Remove in favor of...
7994 (change_symbol_block): ...this new function.
7995 (use_blocks_for_decl_p): Remove checks now performed by
7997 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7998 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7999 (emit_local, emit_bss, emit_common): ...these new functions.
8000 Return true if the alignment was honored.
8001 (emit_tls_common): New function.
8002 (asm_emit_uninitialised): Delete.
8003 (assemble_variable_noswitch): New function, split out from...
8004 (assemble_variable): ...here. Don't make decisions about common
8005 variables here. Globalize all public decls that go into non-common
8006 sections. Check whether SYMBOL_REF_BLOCK is null.
8007 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8008 (output_constant_pool): Likewise.
8009 (init_varasm_once): Initialize the new section variables.
8010 (have_global_bss_p): New function.
8011 (categorize_decl_for_section): Use bss_initializer_p.
8012 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8013 (place_block_symbol): Assert that the symbol must be in a block.
8014 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8015 (TARGET_INITIALIZER): Include it.
8016 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8017 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8018 (SECTION_MACH_DEP): Bump by two.
8019 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8020 (unnamed_section): Mention SECTION_UNNAMED in comment.
8021 (named_section): Likewise SECTION_NAMED.
8022 (noswitch_section_callback): New type.
8023 (noswitch_section): New structure.
8024 (section): Add a noswitch_section alternative.
8025 (SECTION_STYLE): New macro.
8026 (tls_comm_section, comm_section, lcomm_section): Declare.
8027 (bss_noswitch_section, have_global_bss_p): Declare.
8028 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8029 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8031 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8032 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8035 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8037 * tree-vrp.c (execute_vrp): Return value.
8038 * regrename.c (rest_of_handle_regrename): Ditto.
8039 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8040 * tree-complex.c (tree_lower_complex): Ditto.
8041 (tree_lower_complex_O0): Ditto.
8042 * tracer.c (rest_of_handle_tracer): Ditto.
8043 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8044 * postreload.c (rest_of_handle_postreload): Ditto.
8045 * tree-tailcall.c (execute_tail_recursion): Ditto.
8046 (execute_tail_calls): Ditto.
8047 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8048 * tree.h (init_function_for_compilation): Ditto.
8049 * ipa-cp.c (ipcp_driver): Ditto.
8050 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8051 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8052 * final.c (compute_alignments): Ditto.
8053 (rest_of_handle_final): Ditto.
8054 (rest_of_handle_shorten_branches): Ditto.
8055 (rest_of_clean_state): Ditto.
8056 * omp-low.c (execute_expand_omp): Ditto.
8057 (execute_lower_omp): Ditto.
8058 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8059 * ipa-reference.c (static_execute): Ditto.
8060 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8061 * reorg.c (rest_of_handle_delay_slots): Ditto.
8062 (rest_of_handle_machine_reorg): Ditto.
8063 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8064 * flow.c (recompute_reg_usage): Ditto.
8065 (rest_of_handle_remove_death_notes): Ditto.
8066 (rest_of_handle_life): Ditto.
8067 (rest_of_handle_flow2): Ditto.
8068 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8069 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8070 (do_ssa_store_ccp): Ditto.
8071 (execute_fold_all_builtins): Ditto.
8072 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8073 * modulo-sched.c (rest_of_handle_sms): Ditto.
8074 * ipa-pure-const.c (static_execute): Ditto.
8075 * cse.c (rest_of_handle_cse): Ditto.
8076 (rest_of_handle_cse2): Ditto.
8077 * web.c (rest_of_handle_web): Ditto.
8078 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8079 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8080 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8081 * tree-nrv.c (tree_nrv): Ditto.
8082 (execute_return_slot_opt): Ditto.
8083 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8084 (create_structure_vars): Ditto.
8085 * loop-init.c (rtl_loop_init): Ditto.
8086 (rtl_loop_done): Ditto.
8087 (rtl_move_loop_invariants): Ditto.
8088 (rtl_unswitch): Ditto.
8089 (rtl_unroll_and_peel_loops): Ditto.
8090 (rtl_doloop): Ditto.
8091 * gimple-low.c (lower_function_body): Ditto.
8092 (mark_used_blocks): Ditto.
8093 * tree-ssa-sink.c (execute_sink_code): Ditto.
8094 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8095 (cgraph_early_inlining): Ditto.
8096 * global.c (rest_of_handle_global_alloc): Ditto.
8097 * jump.c (cleanup_barriers): Ditto.
8098 (purge_line_number_notes): Ditto.
8099 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8100 (rest_of_handle_if_after_reload): Ditto.
8101 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8102 (tree_ssa_loop_im): Ditto.
8103 (tree_ssa_loop_unswitch): Ditto.
8104 (tree_vectorize): Ditto.
8105 (tree_linear_transform): Ditto.
8106 (tree_ssa_loop_ivcanon): Ditto.
8107 (tree_ssa_empty_loop): Ditto.
8108 (tree_ssa_loop_bounds): Ditto.
8109 (tree_complete_unroll): Ditto.
8110 (tree_ssa_loop_prefetch): Ditto.
8111 (tree_ssa_loop_ivopts): Ditto.
8112 (tree_ssa_loop_done): Ditto.
8113 * predict.c (tree_estimate_probability): Ditto.
8114 * recog.c (split_all_insns_noflow): Ditto.
8115 (rest_of_handle_peephole2): Ditto.
8116 (rest_of_handle_split_all_insns): Ditto.
8117 * tree-eh.c (lower_eh_constructs): Ditto.
8118 * regmove.c (rest_of_handle_regmove): Ditto.
8119 (rest_of_handle_stack_adjustments): Ditto.
8120 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8121 * function.c (instantiate_virtual_regs): Ditto.
8122 (init_function_for_compilation): Ditto.
8123 (rest_of_handle_check_leaf_regs): Ditto.
8124 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8125 (rest_of_handle_gcse): Ditto.
8126 * ipa-type-escape.c (type_escape_execute): Ditto.
8127 * alias.c (rest_of_handle_cfg): Ditto.
8128 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8129 * profile.c (rest_of_handle_branch_prob): Ditto.
8130 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8131 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8132 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8133 * tree-dfa.c (find_referenced_vars): Ditto.
8134 * except.c (set_nothrow_function_flags): Ditto.
8135 (convert_to_eh_region_ranges): Ditto.
8136 (rest_of_handle_eh): Ditto.
8137 * emit-rtl.c (unshare_all_rtl): Ditto.
8138 (remove_unnecessary_notes): Ditto.
8139 * except.h (set_nothrow_function_flags): Ditto.
8140 (convert_to_eh_region_ranges): Ditto.
8141 * cfgexpand.c (tree_expand_cfg): Ditto.
8142 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8143 * tree-ssa-pre.c (do_pre): Ditto.
8144 (execute_fre): Ditto.
8145 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8146 (rest_of_handle_jump2): Ditto.
8147 * tree-sra.c (tree_sra): Ditto.
8148 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8149 (execute_mudflap_function_decls): Ditto.
8150 * tree-ssa-copy.c (do_copy_prop): Ditto.
8151 (do_store_copy_prop): Ditto.
8152 * ipa-prop.h (ipcp_driver): Ditto.
8153 * cfglayout.c (insn_locators_initialize): Ditto.
8154 * tree-ssa-forwprop.c
8155 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8156 * cfglayout.h (insn_locators_initialize): Ditto.
8157 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8158 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8159 (execute_late_warn_uninitialized): Ditto.
8160 * rtl.h (cleanup_barriers): Ditto.
8161 (split_all_insns_noflow): Ditto.
8162 (purge_line_number_notes): Ditto.
8163 (unshare_all_rtl): Ditto.
8164 (remove_unnecessary_notes): Ditto.
8165 (recompute_reg_usage): Ditto.
8166 (variable_tracking_main): Ditto.
8167 * integrate.c (emit_initial_value_sets): Ditto.
8168 * integrate.h (emit_initial_value_sets): Ditto.
8169 * tree-optimize.c (execute_free_datastructures): Ditto
8170 (execute_free_cfg_annotations): Ditto.
8171 (execute_fixup_cfg): Ditto.
8172 (execute_cleanup_cfg_pre_ipa): Ditto.
8173 (execute_cleanup_cfg_post_optimizing): Ditto.
8174 (execute_init_datastructures): Ditto.
8175 * tree-object-size.c (compute_object_sizes): Ditto.
8176 * combine.c (rest_of_handle_combine): Ditto.
8177 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8178 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8179 (rest_of_handle_reorder_blocks): Ditto.
8180 (rest_of_handle_partition_blocks): Ditto.
8181 * var-tracking.c (variable_tracking_main): Ditto.
8182 * tree-profile.c (tree_profiling): Ditto.
8183 * tree-vect-generic.c (expand_vector_operations): Ditto.
8184 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8185 * sched-rgn.c (rest_of_handle_sched): Ditto.
8186 (rest_of_handle_sched2): Ditto.
8187 * basic-block.h (free_bb_insn): Ditto.
8188 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8189 * tree-cfg.c (execute_build_cfg): Ditto.
8190 (remove_useless_stmts): Ditto.
8191 (split_critical_edges): Ditto.
8192 (execute_warn_function_return): Ditto.
8193 (execute_warn_function_noreturn): Ditto.
8194 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8195 * cfgrtl.c (free_bb_for_insn): Ditto.
8196 * passes.c (execute_one_pass): Run additional
8197 todos returned by execute function.
8198 * tree-pass.h (struct tree_opt_pass): Make execute
8201 2006-03-02 Richard Guenther <rguenther@suse.de>
8203 * tree-ssa-alias.c (find_used_portions): Consider taking
8204 the address as making the variable not write-only.
8206 2006-03-02 Nick Clifton <nickc@redhat.com>
8208 * config.gcc (default_use_cxa_atexit): Extend the description of
8209 this configure variable. Set its default value to "yes" for
8210 Linux, NetBSD and ELF targets on the assumption that they will
8211 use C libraries with the __cxa_atexit function.
8213 2006-03-02 Ben Elliston <bje@au.ibm.com>
8215 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8216 parameter as unused to suppress a build warning.
8218 2006-03-02 Ben Elliston <bje@au.ibm.com>
8220 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8223 2006-03-01 Roger Sayle <roger@eyesopen.com>
8226 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8227 declared name, the weak reference name, and the typeof name.
8228 (__gthrw): Avoid expanding the declared name suffix.
8229 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8231 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8233 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8235 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8236 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8237 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8238 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8239 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8240 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8241 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8242 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8243 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8244 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8245 (DW_END_default, DW_END_big, DW_END_little): New.
8246 (DW_END_lo_user, DW_END_hi_user): Define.
8247 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8248 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8249 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8252 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8254 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8256 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8258 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8260 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8262 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8263 to 'symbol_mem_tag'.
8265 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8268 2006-03-01 Roger Sayle <roger@eyesopen.com>
8270 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8272 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8275 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8276 MACHO_DYNAMIC_NO_PIC_P.
8277 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8279 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8282 * config/darwin-protos.h (darwin_asm_output_anchor):
8284 * config/darwin-sections.def (cstring_section):
8285 Add SECTION_MERGE to the flags.
8286 (literal4_section): Likewise.
8287 (literal8_section): Likewise.
8288 (objc_selector_refs_section): Likewise.
8289 (objc_cls_refs_section): Likewise.
8290 * config/darwin.c (darwin_asm_output_anchor): New
8292 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8294 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8296 Fix PR tree-optimization/26443
8297 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8298 to todo and PROP_tmt_usage to properties_destroyed.
8299 * tree-ssa-ccp.c (pass_ccp): Ditto.
8300 (pass_store_ccp): Ditto.
8301 * tree-ssa-dom.c (pass_dominator): Ditto.
8303 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8305 * tree-ssa-operands.c: Cleanup whitespace.
8306 (get_asm_expr_operands): Move before first invocation.
8307 (get_indirect_ref_operands): Likewise.
8308 (get_tmr_operands): Likewise.
8309 (get_call_expr_operands): Likewise.
8310 (append_def): Likewise.
8311 (append_use): Likewise.
8312 (append_v_may_def): Likewise.
8313 (append_v_must_def): Likewise.
8314 (add_call_clobber_ops): Likewise.
8315 (add_call_read_ops): Likewise.
8316 (add_stmt_operand): Likewise.
8317 (add_virtual_operand): Likewise.
8318 (build_ssa_operands): Likewise.
8320 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8325 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8326 with a call expr to ...
8327 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8329 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8331 * tree-vrp.c (extract_range_from_assert): Remove special
8332 handling for types with super-types.
8334 2006-03-01 Ben Elliston <bje@au.ibm.com>
8336 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8337 and powerpc64-*-linux* configurations.
8338 * config/t-dfprules: New file.
8340 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8341 Compile dfp-bit.c from the source directory using -DWIDTH and
8342 $DFP_CFLAGS to control the compilation of that file, rather than
8343 generating width-specific versions in the build directory.
8344 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8345 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8347 2006-02-28 Zack Weinberg <zackw@panix.com>
8349 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8352 2006-02-28 Eric Christopher <echristo@apple.com>
8354 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8355 Set up IN_LIBGCC definition of TARGET_64BIT.
8356 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8358 2006-02-28 Roger Sayle <roger@eyesopen.com>
8361 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8362 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8363 cases via the construction of "expr != 0".
8365 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8367 * alias.c (alias_invariant, alias_invariant_size): Remove.
8368 (record_base_value): Remove.
8369 (memrefs_conflict_p): Don't look at alias_invariant.
8370 (end_alias_analysis): Don't free it.
8371 * alias.h (record_base_value): Remove prototype.
8373 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8374 Adam Nemet <anemet@caviumnetworks.com>
8376 * rtl.h (truncated_to_mode): Declare it.
8377 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8378 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8379 (RTL_HOOKS_INITIALIZER): Include it.
8380 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8381 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8382 reg_truncated_to_mode.
8383 * rtlanal.c (truncated_to_mode): Define it.
8384 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8386 2006-02-28 Jeff Law <law@redhat.com>
8388 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8389 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8390 the range allowed by TYPE_PRECISION.
8392 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8394 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8396 PR tree-optimization/26419
8397 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8400 2006-02-27 Zack Weinberg <zackw@panix.com>
8402 * doc/md.texi: Fix typo in previous change.
8404 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8408 2006-02-27 Zack Weinberg <zackw@panix.com>
8410 * rtl.def (define_constraint, define_register_constraint)
8411 (define_memory_constraint, define_address_constraint): New MD forms.
8412 * gensupport.c (process_rtx): Put define_constraint etc on the
8414 * genpreds.c (process_define_predicate): Adjust comment. Validate
8415 the name, and call validate_exp to validate the expression.
8416 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8417 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8418 all callers changed.
8419 (validate_exp, needs_variable, struct constraint_data)
8420 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8421 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8422 (const_dbl_constraints, constraint_max_namelen)
8423 (have_register_constraints, have_memory_constraints)
8424 (have_address_constraints, have_address_constraints)
8425 (have_extra_constraints, have_const_int_constraints)
8426 (have_const_dbl_constraints, mangle, add_constraint)
8427 (process_define_constraint, process_define_register_constraint)
8428 (write_enum_constraint_num, write_lookup_constraint)
8429 (write_insn_constraint_len, write_regclass_for_constraint)
8430 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8431 (write_insn_extra_memory_constraint)
8432 (write_insn_extra_address_constraint)
8433 (write_satisfies_constraint_fns): New.
8434 (write_tm_preds_h): If we have new-style constraint definitions,
8435 prototype the functions generated from them, and define the
8436 old constraint interface (still used by generic code) in terms of
8438 (write_insn_preds_c): If we have new-style constraint definitions,
8439 generate all relevant functions from those definitions.
8440 (main): Handle define_constraint etc.
8441 * genoutput.c (struct constraint_data, indep_constraints)
8442 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8443 (mdep_constraint_len): New data structures and functions, defined
8444 #ifdef USE_MD_CONSTRAINTS.
8445 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8446 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8447 use new logic to validate operand constraints against constraint
8449 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8451 * defaults.h: If none of the old-style constraint macros are
8452 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8453 old-style macros; and poison REG_CLASS_FROM_LETTER,
8454 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8456 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8457 * doc/md.texi: Document new constraint-definition mechanism and the
8458 C interface it provides. Remove references to old mechanism
8459 elsewhere in the document.
8460 (Machine Constraints): Use pathnames relative to gcc directory,
8461 i.e. config/ARCH/FILE. Change i386 section to refer to
8462 config/i386/predicates.md; update that section to match docstrings.
8463 * doc/tm.texi: Move all documentation of the old constraint-
8464 definition macros to their own section, clearly mark as obsolete.
8466 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8467 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8469 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8470 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8471 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8473 (splits and peepholes): Use satisfies_constraint_*.
8474 * config/i386/i386.c (memory_address_length)
8475 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8477 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8479 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8480 scalar operation to be put back into the loop.
8482 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8485 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8486 (extract_cie_info): Handle S flag in augmentation string.
8487 (execute_cfa_program): If context->signal_frame, execute also
8488 fs->pc == context->ra instructions.
8489 (uw_frame_state_for): If context->signal_frame, don't subtract one
8490 from context->ra to find FDE.
8491 (uw_update_context_1): Set context->signal_frame to
8493 (_Unwind_GetIPInfo): New function.
8494 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8495 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8497 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8498 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8499 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8500 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8501 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8502 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8503 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8504 x86_64_fallback_frame_state): Set fs->signal_frame.
8505 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8506 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8507 (frob_update_context): Likewise. Workaround missing S flag in
8508 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8509 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8510 Remove the psw_addr + 1 hack.
8512 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8514 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8515 with aggregates here.
8516 (find_func_aliases): Remove code for &<aggregate> from here.
8518 2006-02-26 Roger Sayle <roger@eyesopen.com>
8520 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8521 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8522 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8525 2006-02-26 Roger Sayle <roger@eyesopen.com>
8528 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8530 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8532 * opts.c (decode_options): Do not handle flag_strength_reduce.
8533 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8534 and OPT_fstrength_reduce.
8535 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8536 flag_prefetch_loop_arrays for being nonzero.
8537 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8539 (fprefetch-loop-arrays-rtl): Removed.
8540 (flag_prefetch_loop_arrays): Do not specify the value.
8542 * doc/passes.texi: Update documentation of loop optimizer
8544 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8545 -frerun-loop-opt): Remove.
8547 2006-02-26 Richard Guenther <rguenther@suse.de>
8549 PR tree-optimization/26421
8550 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8551 in function calls that are ADDR_EXPRs as using the whole structure.
8553 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8555 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8556 * tree-pass.h (pass_loop_optimize): Remove.
8557 * passes.c (pass_loop_optimize): Never run it.
8558 * toplev.c (backend_init): Don't call init_loop.
8559 * opts.c (flag_loop_optimize_set): Remove.
8560 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8561 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8562 the old RTL loop optimizer when profiling enabled.
8563 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8564 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8565 pre-headers for the sake of the old RTL loop optimizer.
8566 * Makefile.in: Remove all references to loop.o.
8568 * doc/invoke.texi: Remove all references to -floop-optimize
8569 and -frerun-loop-opt.
8571 2006-02-26 Zack Weinberg <zackw@panix.com>
8573 * doc/md.texi (Machine Constraints): Refer to all files with paths
8574 relative to gcc directory (i.e. config/CPU/file). Add missing
8575 @table @code ... @end table to M32C subsection.
8577 2006-02-26 Roger Sayle <roger@eyesopen.com>
8579 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8581 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8583 2006-02-26 Roger Sayle <roger@eyesopen.com>
8584 James A. Morrison <phython@gcc.gnu.org>
8587 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8588 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8589 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8590 signedness of the shift operation.
8592 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8594 PR tree-optimization/26359
8595 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8597 2006-02-25 Roger Sayle <roger@eyesopen.com>
8599 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8600 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8601 as X == 0, and some symmetry related transformations.
8602 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8604 2006-02-25 Roger Sayle <roger@eyesopen.com>
8607 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8608 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8609 symmetry related transformations. Fold (X^C1) == C2 as
8612 2006-02-25 Juergen Weigert <jw@suse.de>
8613 Richard Guenther <rguenther@suse.de>
8615 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8617 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8619 * combine.c (gen_lowpart_or_truncate): Call
8620 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8622 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8624 * doc/invoke.texi: Move -fopenmp description to "Options for
8626 Remove reference to -lgomp.
8628 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8630 * doc/install.texi: Require GNU tar version 1.14.
8632 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8634 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8635 * doc/invoke.texi (C++ Dialect Options): Document
8636 -fno-use-cxa-get-exception-ptr.
8637 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8638 * configure: Regenerate.
8639 * c.opt (fuse-cxa-get-exception-ptr): New.
8640 * c-opts.c (c_common_handle_option): Handle
8641 OPT_fuse_cxa_get_exception_ptr.
8642 * c-common.c (flag_use_cxa_atexit): Update documentation.
8643 (flag_use_cxa_get_exception_ptr): New.
8644 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8645 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8647 (C_COMMON_OVERRIDE_OPTIONS): New.
8649 2006-02-24 Roger Sayle <roger@eyesopen.com>
8652 * combine.c (try_combine): Explicitly check whether GET_CODE is
8653 a SET or a CLOBBER, instead on checking that it isn't a USE.
8655 2006-02-24 Roger Sayle <roger@eyesopen.com>
8657 * fold-const.c (fold_comparison): New subroutine of fold_binary
8658 containing transformations common to both the equality and
8659 ordering relational operators, factored out of fold_binary.
8660 (fold_binary): Separate out the equality operators (EQ_EXPR
8661 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8662 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8663 transformations common to both.
8664 (fold_div_compare): Fix latent bugs in the previously unreachable
8665 LT_EXPR and GE_EXPR cases.
8667 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8669 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8670 decl libname for clog to __clog on AIX.
8672 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8674 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8677 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8678 output traceback table for thunks. Localise rs6000_stack_info call.
8680 2006-02-23 Roger Sayle <roger@eyesopen.com>
8681 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8683 * gthr-posix.h (__gthrw): Fix typo in comment.
8685 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8687 * doc/cpp.texi (Character sets): Document that we do support
8688 input files to be in any character set.
8690 2006-02-23 Jeff Law <law@redhat.com>
8692 * tree.h (PHI_ARG_NONZERO): Remove.
8693 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8694 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8695 node to the new node.
8697 PR tree-optimization/26425
8698 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8699 min/max, then assume its varying.
8701 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8703 PR rtl-optimization/26316
8704 * rtlanal.c (enum may_trap_p_flags): New.
8705 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8706 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8707 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8708 (may_trap_after_code_motion_p): New function.
8709 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8710 (find_invariant_insn): Use may_trap_after_code_motion_p.
8711 * rtl.h (may_trap_after_code_motion_p): Declare.
8713 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8715 * emit-rtl.c (immed_double_const): Cleanup.
8717 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8719 Fix PR tree-optimization/26376
8720 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8723 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8726 * gimplify.c (omp_add_variable): Guard variable size decl test with
8727 DECL_SIZE (decl) check.
8729 2006-02-23 Richard Guenther <rguenther@suse.de>
8732 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8733 like aggregate types.
8735 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8737 * configure.ac: Add --with{,out}-long-double-128 configure option.
8738 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8739 * configure: Rebuilt.
8740 * config.in: Rebuilt.
8741 * doc/install.texi (Options specification): Document
8742 --with-long-double-128.
8744 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8745 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8746 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8747 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8749 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8751 * config/s390/s390.c (override_options): Handle
8752 TARGET_DEFAULT_LONG_DOUBLE_128.
8754 * config/alpha/alpha.c (override_options): Handle
8755 TARGET_DEFAULT_LONG_DOUBLE_128.
8757 * config/sparc/sparc.c (sparc_override_options): Handle
8758 TARGET_DEFAULT_LONG_DOUBLE_128.
8760 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8762 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8763 (real-install-headers-tar, real-install-headers-cpio)
8764 (real-install-headers-cp): New targets.
8766 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8768 * tree.h (variable_section): Delete.
8769 * varasm.c (variable_section): Delete.
8771 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8773 * install.texi: Add notes on install.texi2html.
8774 (Building in parallel): Do not use footnotes.
8776 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8779 * doc/install.texi (Configuration): Document --disable-libgomp.
8781 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8783 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8785 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8787 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8788 (vec_extractv2df_0_sse): New.
8790 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8792 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8793 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8794 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8795 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8796 to the result of the expression.
8797 (def_cfa_1): Adjust.
8798 (frame_pointer_cfa_offset): Rename to...
8799 (frame_pointer_fb_offset): ... this. Adjust all uses.
8800 (convert_cfa_to_loc_list): Rename to...
8801 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8802 Pass it on to build_cfa_loc.
8803 (compute_frame_pointer_to_cfa_displacement): Rename to...
8804 (compute_frame_pointer_to_fb_displacement): ... this. New
8805 offset parameter. Use it in computation.
8806 (gen_subprogram_die): Compute cfa_fb_offset with the new
8807 macro, and use it to compute the fb loc list and the
8810 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8812 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8813 replaced with register_operand.
8814 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8815 non-DREG is expensive.
8816 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8817 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8820 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8822 * doc/install.texi2html: Use set -e.
8824 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8826 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8827 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8828 * doc/invoke.texi (-fshared-data): Delete.
8829 * common.opt (fshared-data): Delete.
8830 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8831 (assemble_static_space): Remove #if 0 code.
8832 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8833 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8834 * config/cris/cris.h: Remove FIXME.
8836 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8838 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8841 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8844 * combine.c (simplify_shift_const_1): Disable nested shifts
8845 optimization for vector shifts.
8847 2006-02-20 Roger Sayle <roger@eyesopen.com>
8849 PR tree-optimization/26361
8850 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8851 of unsigned integer types.
8853 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8855 * tree-chrec.c (eq_evolutions_p): New.
8856 * tree-chrec.h (eq_evolutions_p): Declared.
8857 * tree-data-ref.c: Fix formatting.
8858 (datadep_stats, dependence_stats): New.
8860 (print_direction_vector): New.
8861 (dump_data_dependence_relation): Use print_direction_vector.
8862 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8863 (compute_subscript_distance): Static.
8864 (initialize_data_dependence_relation): Static. Get the number
8865 of loops surrounding the references from the callers, and initialize
8866 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8867 base_object_differ_p analyzers.
8868 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8869 compute_overlap_steps_for_affine_1_2,
8870 analyze_subscript_affine_affine): Count the classified dependences.
8871 Print a message when a test failed.
8872 (can_use_analyze_subscript_affine_affine): New.
8873 (analyze_siv_subscript): Compute the data dependences on symbolic
8874 scevs that verify can_use_analyze_subscript_affine_affine.
8875 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8876 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8877 Handle symbolic scevs.
8878 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8880 (subscript_dependence_tester): Moved...
8881 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8882 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8883 DDR_SIZE_VECT instead of getting it in parameter.
8884 (subscript_dependence_tester): ... here. Take as a parameter
8885 loop_nest_depth. Call build_classic_dist_vector and
8886 build_classic_dir_vector.
8887 (compute_affine_dependence): Update subscript_dependence_tester
8888 parameters. Update datadep_stats counters. Call
8889 compute_subscript_distance.
8890 (compute_self_dependence): Save the dist and dir vectors. Call
8891 compute_subscript_distance.
8892 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8893 (compute_all_dependences): Reorder parameters as they were before
8894 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8895 compute_subscript_distance. Update the use of
8896 compute_affine_dependence and initialize_data_dependence_relation.
8897 (find_data_references_in_loop): Handle COMPONENT_REF.
8898 (compute_data_dependences_for_loop): Initialize dependence_stats.
8899 Don't call build_classic_dist_vector and build_classic_dir_vector.
8900 Update the parameters of initialize_data_dependence_relation and
8901 compute_all_dependences. Print the statistics from datadep_stats.
8902 (analyze_all_data_dependences): Static. Not used until the pass for
8903 checking the data dependences is contributed.
8904 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8905 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8906 (initialize_data_dependence_relation, compute_affine_dependence,
8907 analyze_all_data_dependences, compute_subscript_distance): Removed.
8908 (print_direction_vector): New.
8909 * lambda.h (gcd): ... here.
8910 (lambda_vector_gcd): Moved here from gcd_vector.
8911 * lambda-code.c (gcd, gcd_vector): Removed.
8912 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8913 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8915 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8917 * ipa-type-escape.c: Tidy some comments and white space.
8918 * tree-ssa-operands.c: Likewise.
8920 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8923 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8924 (dump_decl_name): Do not walk the decl tree chains.
8925 * tree-pass.h (TDF_CHAIN): Remove.
8927 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8929 * Makefile.in (C): Remove
8931 (.PHONY): Remove C and PROTO
8933 2006-02-20 Roger Sayle <roger@eyesopen.com>
8936 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8937 deprecated CHAR_TYPE tree code.
8939 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8941 * configure.ac (target_list): Add install-info, dvi, html.
8942 * configure: Regenerate.
8944 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8945 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8946 treelang/Make-lang.in: Do not use double-colon rules.
8948 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8950 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8951 (TMT_USED_ALONE): New macro.
8952 * tree-pass.h (PROP_tmt_usage): New property.
8953 (TODO_update_tmt_usage): New todo.
8954 * tree-ssa-alias.c (updating_used_alone): New variable.
8955 (recalculate_used_alone): New function.
8956 (compute_may_aliases): Set updating_used_alone, call
8957 recalculate_used_alone.
8958 * tree-sra.c (pass_sra): Note that this pass destroys
8959 PROP_tmt_usage, and add TODO_update_tmt_usage.
8960 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8961 * tree-flow.h (updating_used_alone): Prototype.
8962 (recalculate_used_alone): Ditto.
8963 * passes.c (execute_todo): Add code to set updating_used_alone,
8964 and call recalculate.
8965 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8966 for clobber if used alone, and add assert to verify used_alone
8969 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8971 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8972 for non tls symbols added.
8973 (legitimize_address): Do nothing for PLUS expressions if one of the
8974 addends is a tls symbol reference.
8976 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8980 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8982 * Makefile.in (BOOTSTRAPPING): New.
8983 (quickstrap): New definition if BOOTSTRAPPING=yes.
8985 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8986 * configure.ac: Substitute all_selected_languages with the languages
8987 that were configured. For all the other variables except
8988 lang_specs_files, include all the languages in the tree.
8989 * configure: Regenerate.
8991 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8992 if there is one. Run the commands to run fixincludes in the same
8995 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8996 * doc/install.texi: Document exact conventions for searching target tools.
8997 Document --with-build-time-tools. Document toplevel bootstrap. Document
8998 something more about building an Ada cross-compiler. Don't list GNU Make
8999 requirements which affect all platforms.
9001 2006-02-19 Roger Sayle <roger@eyesopen.com>
9004 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9005 only equivalent if the have both the same mode and precision.
9007 2006-02-20 Ben Elliston <bje@au.ibm.com>
9009 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9011 2006-02-19 Roger Sayle <roger@eyesopen.com>
9012 Steven Bosscher <stevenb.gcc@gmail.com>
9014 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9015 constant pool references to identify stack mode constants.
9016 * rtlanal.c (constant_pool_constant_p): New predicate to check
9017 whether operand is a floating point constant in the pool.
9018 * rtl.h (constant_pool_constant_p): Prototype here.
9019 * loop.c (scan_loop): Avoid hoisting constants from the constant
9020 pool on STACK_REGS targets.
9021 (load_mems): Likewise.
9022 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9023 loads into x87 registers expensive in terms of register pressure.
9025 2006-02-19 Roger Sayle <roger@eyesopen.com>
9027 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9028 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9030 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9032 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9033 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9035 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9037 * doc/invoke.texi: Document -fipa-pta.
9038 * common.opt: Add ipa-pta option.
9039 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9040 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9041 (do_ds_constraint): Ditto.
9042 (get_constraint_for): Only add to referenced_vars if
9043 referenced_vars exists.
9044 (insert_into_field_list): Rewrite to do this unsorted.
9045 (insert_into_field_list_sorted): Rename old insert_into_field_list
9047 (create_function_info_for): Use insert_into_field_list_sorted.
9048 (create_variable_info_for): Rewrite so it uses unsorted version,
9049 since the field list is sorted.
9050 (intra_create_variable_infos): Only add to referenced_vars if
9051 referenced_vars exists.
9052 (ipa_pta_execute): Init heapvars, and delete when done.
9053 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9055 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9057 * doc/install.texi: Add missing `@samp'.
9059 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9061 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9064 2006-02-18 Mark Wielaard <mark@klomp.org>
9066 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9067 who added new 4.1 features, bug fixes and integration support.
9069 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9072 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9075 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9077 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9078 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9079 (copy_insn_1): Likewise. Don't copy each field individually.
9081 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9083 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9084 * rtl.c (rtx_size): Rename variable to...
9085 (rtx_code_size): ...this.
9086 (rtx_size): New function.
9087 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9088 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9090 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9091 * rtl.h (rtx_code_size): New variable.
9092 (rtx_size): Change from a variable to a function.
9093 (RTX_SIZE): Rename to...
9094 (RTX_CODE_SIZE): ...this.
9097 PR tree-optimization/17106
9098 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9099 (Anchored Addresses): New section.
9100 * doc/invoke.texi (-fsection-anchors): Document.
9101 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9102 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9103 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9104 * hooks.c (hook_bool_mode_rtx_false): New function.
9105 * hooks.h (hook_bool_mode_rtx_false): Declare.
9106 * gengtype.c (create_optional_field): New function.
9107 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9108 SYMBOL_REF_IN_BLOCK_P is true.
9109 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9110 (min_anchor_offset, max_anchor_offset): Likewise.
9111 (use_anchors_for_symbol_p): New hook.
9112 * toplev.c (compile_file): Call output_object_blocks.
9113 (target_supports_section_anchors_p): New function.
9114 (process_options): Check that -fsection-anchors is only used on
9115 targets that support it and when -funit-at-a-time is in effect.
9116 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9117 if the decl doesn't have one.
9118 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9119 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9120 of force_const_mem through use_anchored_address.
9121 (expand_expr_constant): New function.
9122 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9123 calling expand_expr for INDIRECT_REF.
9124 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9125 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9126 * expr.h (use_anchored_address): Declare.
9127 * loop-unroll.c: Don't declare rtx vectors here.
9128 * explow.c: Include output.h.
9129 (validize_mem): Call use_anchored_address.
9130 (use_anchored_address): New function.
9131 * common.opt (-fsection-anchors): New switch.
9132 * varasm.c (object_block_htab, anchor_labelno): New variables.
9133 (hash_section, object_block_entry_eq, object_block_entry_hash)
9134 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9135 (use_blocks_for_decl_p, change_symbol_section): New functions.
9136 (get_variable_section): New function, split out from assemble_variable.
9137 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9138 use_blocks_for_decl_p say so. Use change_symbol_section if the
9139 symbol has already been created.
9140 (assemble_variable_contents): New function, split out from...
9141 (assemble_variable): ...here. Don't output any code for
9142 block symbols; just pass them to place_block_symbol.
9143 Use get_variable_section and assemble_variable_contents.
9144 (get_constant_alignment, get_constant_section, get_constant_size): New
9145 functions, split from output_constant_def_contents.
9146 (build_constant_desc): Create a block symbol if use_object_blocks_p
9147 says so. Or into SYMBOL_REF_FLAGS.
9148 (assemble_constant_contents): New function, split from...
9149 (output_constant_def_contents): ...here. Don't output any code
9150 for block symbols; just pass them to place_section_symbol.
9151 Use get_constant_section and get_constant_alignment.
9152 (force_const_mem): Create a block symbol if use_object_blocks_p and
9153 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9154 (output_constant_pool_1): Add an explicit alignment argument.
9155 Don't switch sections here.
9156 (output_constant_pool): Adjust call to output_constant_pool_1.
9157 Switch sections here instead. Don't output anything for block symbols;
9158 just pass them to place_block_symbol.
9159 (init_varasm_once): Initialize object_block_htab.
9160 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9161 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9162 (place_block_symbol, get_section_anchor, output_object_block)
9163 (output_object_block_htab, output_object_blocks): New functions.
9164 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9165 (TARGET_ASM_OUT): Include it.
9166 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9167 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9168 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9169 (TARGET_INITIALIZER): Include them.
9170 * rtl.c (rtl_check_failed_block_symbol): New function.
9171 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9172 (block_symbol, object_block): New structures.
9173 (rtx_def): Add a block_symbol field to the union.
9174 (BLOCK_SYMBOL_CHECK): New macro.
9175 (rtl_check_failed_block_symbol): Declare.
9176 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9177 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9178 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9179 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9180 * output.h (output_section_symbols): Declare.
9181 (object_block): Name structure.
9182 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9183 (default_use_anchors_for_symbol_p): Declare.
9184 * Makefile.in (RTL_BASE_H): Add vec.h.
9185 (explow.o): Depend on output.h.
9186 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9187 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9188 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9189 (rs6000_use_blocks_for_constant_p): New function.
9191 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9193 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9195 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9198 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9201 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9203 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9207 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9210 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9211 instead of DECL_REGISTER.
9213 2006-02-18 Olivier Hainque <hainque@adacore.com>
9216 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9218 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9221 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9222 * opth-gen.awk: Handle Var and InverseMask together.
9223 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9224 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9225 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9226 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9228 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9229 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9230 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9231 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9232 LINUX_DYNAMIC_LINKER): Define.
9233 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9234 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9236 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9237 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9238 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9239 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9240 (TARGET_C99_FUNCTIONS): Don't define.
9241 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9242 GLIBC_DYNAMIC_LINKER.
9243 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9244 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9245 GLIBC_DYNAMIC_LINKER64): Define.
9246 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9247 LINUX_DYNAMIC_LINKER64.
9248 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9249 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9250 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9251 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9252 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9253 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9254 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9255 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9256 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9257 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9258 and LINUX_DYNAMIC_LINKER32.
9259 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9260 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9261 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9262 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9263 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9265 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9266 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9267 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9268 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9269 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9270 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9271 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9272 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9273 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9274 LINUX_DYNAMIC_LINKER): Define.
9275 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9276 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9277 GLIBC_DYNAMIC_LINKER64): Define.
9278 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9279 LINUX_DYNAMIC_LINKER64.
9280 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9281 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9282 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9283 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9284 LINUX_DYNAMIC_LINKER): Define.
9285 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9286 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9287 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9288 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9289 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9290 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9291 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9292 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9293 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9294 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9295 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9296 * doc/invoke.texi (-muclibc): Remove caveat about supported
9299 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9301 * doc/cpp.texi (__TIMESTAMP__): Document.
9303 2006-02-17 Roger Sayle <roger@eyesopen.com>
9306 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9307 C is one less than the width of X (and related transformations).
9308 * simplify-rtx.c (simplify_unary_operation_1): Transform
9309 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9310 depending on STORE_FLAG_VALUE, were C is one less then the
9313 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9315 Fix PR tree-optimization/26341
9316 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9317 about NAME_MEMORY_TAG's.
9319 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9322 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9323 with hardware float support, and software float support. Add fcpy
9324 alternative to hardware patterns. Add alternatives to copy between
9325 general and floating-point registers to the 32-bit pattern.
9326 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9327 secondary reload to load a QI or HI mode constant into a floating
9329 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9330 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9332 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9335 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9337 (load_macho_picbase_di): Likewise.
9339 2006-02-16 Jeff Law <law@redhat.com>
9341 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9342 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9343 (ssa_name_nonzero_p): Likewise.
9344 (get_value_range): Return NULL if VRP is not running.
9345 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9346 VRP routines do not discover a range.
9347 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9348 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9349 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9350 (tree_expr_nonnegative_p): Similarly.
9351 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9352 (restore_nonzero_vars_to_original_value): Remove.
9353 (unsafe_associative_fp_binop): Remove.
9354 (tree_ssa_dominator_optimize): Remove initialization and
9355 finalization of nonzero_vars and nonzero_vars_stack.
9356 (dom_opt_initialize_block): No longer push marker on
9358 (dom_opt_finalize_block): No longer call
9359 restore_nonzero_vars_to_original_value.
9360 (record_equivalences_from_phis): No longer look for
9361 nonzero PHI arguments.
9362 (cprop_into_successor_phis): No longer propagate nonzero
9363 property into PHI arguments. Lose unused argument. Caller
9365 (record_equivalences_from_stmt): No longer record nonzero
9366 values for SSA_NAMEs.
9367 (lookup_avail_expr): No longer use nonzero_vars.
9369 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9370 for sizetype when sizetype is unsigned.
9372 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9374 PR rtl-optimization/25603
9375 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9376 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9377 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9378 with new meaning of SETS.
9380 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9385 * config/linux.opt: New file.
9386 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9387 LINUX_DYNAMIC_LINKER): Define.
9388 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9389 * config.gcc (*-*-linux*): Define extra_options.
9390 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9391 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9392 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9393 GLIBC_DYNAMIC_LINKER.
9394 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9395 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9396 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9397 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9398 * doc/invoke.texi (GNU/Linux Options): New section.
9400 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9402 * config/sparc/sparc.md (setjmp): Rewrite.
9403 (setjmp_32): Delete.
9404 (setjmp_64): Likewise.
9406 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9408 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9411 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9413 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9416 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9418 PR rtl-optimization/26296
9419 * Makefile.in (loop-invariant.c): Add except.h dependency.
9420 * loop-invariant.c: Include except.h.
9421 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9423 2005-02-16 Paul Brook <paul@codesourcery.com>
9425 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9428 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9430 PR rtl-optimization/25636
9431 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9432 when deciding whether an insn is an initializing insn.
9434 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9436 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9437 (tree_code_size): Ditto.
9438 * tree.h (struct tree_memory_tag): Remove parent_var.
9439 (struct tree_struct_field_tag): New.
9442 (union tree_node): Add sft member.
9443 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9445 (create_sft): Add size and offset argument, set SFT_OFFSET and
9447 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9448 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9449 * tree-flow-inline.h (get_subvar_at): Update for
9450 SFT_OFFSET/SFT_SIZE.
9451 (var_can_have_subvars): Ditto.
9452 (overlap_subvar): Ditto.
9453 * print-tree.c (print_node): Print out interesting things for
9455 * tree-flow.h (struct subvar): Remove offset and size members.
9456 * tree-ssa-operands.c (get_expr_operands): Update for
9457 get_indirect_ref_operands changes.
9458 (get_indirect_ref_operands): Call add_virtual_operand instead of
9459 add_stmt_operand. Only recurse on base var if requested.
9460 (access_can_touch_variable): New function.
9461 (add_stmt_operand): Split virtual operand handling into ...
9462 (add_virtual_operand): Here. Add offset, size, and for_clobber
9463 arguments. Prune alias sets.
9464 (add_call_clobber_ops): Call add_virtual_operand.
9466 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9469 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9471 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9472 than TREE_CODE as index into omp_clause_num_ops array.
9474 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9476 PR rtl-optimization/26184
9477 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9479 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9480 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9481 must_precede, must_follow and tobe_scheduled.
9484 * opts.c (common_handle_option): Free new_option pointer.
9485 * df-core.c (df_analyze): Free postorder pointer.
9487 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9489 * Makefile.in: Fix the examples about the use of stamps
9491 2006-02-15 Michael Matz <matz@suse.de>
9495 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9496 influenced by maximum_field_alignment or DECL_PACKED.
9497 (update_alignment_for_field): Ditto.
9498 (place_field): Ditto.
9499 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9502 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9504 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9505 (debug_flow_info): Pass it.
9506 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9507 * bb-reorder.c (reorder_basic_blocks): Likewise.
9508 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9509 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9510 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9511 * gcse.c (gcse_main, bypass_jumps): Likewise.
9512 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9513 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9514 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9515 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9516 * rtl.h (dump_flow_info): Adjust prototype.
9517 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9518 * var-tracking.c (variable_tracking_main): Likewise.
9519 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9520 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9523 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9525 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9528 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9530 PR tree-optimization/26209
9531 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9532 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9534 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9536 2006-02-14 Roger Sayle <roger@eyesopen.com>
9539 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9540 (X,Y) and the corresponding symmetry related transformations.
9541 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9542 (X,Y) and its symmetry related transformations.
9544 2006-02-14 Roger Sayle <roger@eyesopen.com>
9546 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9549 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9551 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9553 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9556 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9557 support COMDAT group.
9558 * configure: Regenerate.
9560 2006-02-14 Roger Sayle <roger@eyesopen.com>
9565 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9567 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9569 Fix PR tree-optimization/26260
9571 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9573 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9574 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9575 * tree-ssa-structalias.c (create_variable_info_for): Use
9576 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9578 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9580 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9582 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9583 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9584 of the ending condition.
9585 * tree-ssa-loop-manip.c: Include params.h.
9586 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9587 tree_unroll_loop): New functions.
9588 * tree-pass.h (pass_loop_prefetch): Declare.
9589 * loop.c (rest_of_handle_loop_optimize): Test for
9590 -fprefetch-loop-arrays-rtl.
9591 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9592 * timevar.def (TV_TREE_PREFETCH): New timevar.
9593 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9594 pass_loop_prefetch): New.
9595 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9596 (cleanup_tree_cfg_loop): Call scev_reset.
9597 * common.opt (fprefetch-loop-arrays-rtl): Add.
9598 * tree-ssa-loop-prefetch.c: New file.
9599 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9600 (new_temp_expr_table): Initialize expr_vars.
9601 (free_temp_expr_table): Cleanup expr_vars.
9602 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9603 expressions from being merged into one.
9604 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9605 (struct tree_niter_desc): Add control, bound and cmp fields.
9606 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9608 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9609 (tree-cfgcleanup.o): Add SCEV_H dependency.
9610 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9611 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9613 2006-02-14 Richard Guenther <rguenther@suse.de>
9615 PR tree-optimization/26258
9616 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9617 in PHI argument processing.
9619 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9621 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9622 new expression in the requested machine mode.
9624 2006-02-13 Roger Sayle <roger@eyesopen.com>
9626 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9627 directly, instead let do_compare_rtx_and_jump handle this for us.
9628 * expr.c (expand_expr_real_1): Likewise.
9629 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9630 before do_jump_by_parts_greater.
9631 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9632 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9634 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9636 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9638 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9640 PR rtl-optimization/26235
9641 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9642 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9645 2006-02-13 Jeff Law <law@redhat.com>
9647 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9650 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9653 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9654 twice if decl is a builtin. When trying again, call get_callee_fndecl
9655 first to verify it is still a builtin.
9657 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9659 * dwarf2out.c (base_type_die): Don't add AT_name here.
9660 (subrange_type_die): Don't add AT_name here.
9661 (modified_type_die): Rearrange code flow. Do add AT_name here.
9663 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9665 PR rtl-optimization/26247
9666 PR rtl-optimization/26248
9667 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9669 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9671 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9672 * config/fixtfdi.c: Likewise.
9673 * config/fixunstfdi.c: Likewise.
9674 * config/floatditf.c: Likewise.
9676 2006-02-13 Roger Sayle <roger@eyesopen.com>
9679 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9680 into (X,C2) if C1 is a subset of the bits of C2. Transform
9681 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9683 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9685 2006-02-13 Josh Conner <jconner@apple.com>
9688 * varasm.c (function_section): Check for section name before
9689 calling select_section on targets that define
9690 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9691 unlikely_text_section instead of hot_function_section if
9692 first_function_block_is_cold.
9694 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9697 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9699 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9701 PR rtl-optimization/26222
9702 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9703 after tree->rtl expansion.
9704 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9705 before passing it to emit_move_insn.
9707 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9709 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9711 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9712 Clarify documentation.
9713 * c-common.h (warn_write_strings): Remove.
9714 * c-common.c (warn_write_strings): Likewise.
9715 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9718 2006-02-12 Roger Sayle <roger@eyesopen.com>
9721 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9722 (do_jump_parts_zero_rtx): New function renamed from
9723 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9724 (do_jump_parts_equality_rtx): New function split out from
9725 do_jump_parts_equality. Old implementation renamed as above.
9726 Call do_jump_parts_zero_rtx if either operand is zero.
9727 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9728 do all of the heavy lifting.
9729 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9730 calling either do_jump_by_parts_greater_rtx or
9731 do_jump_by_parts_equality_rtx.
9732 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9733 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9734 moved to do_compare_rtx_and_jump, call it directly.
9735 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9736 mode argument. Call do_compare_rtx_and_jump.
9737 (emit_case_nodes): Update calls to do_jump_if_equal.
9739 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9741 PR rtl-optimization/26225
9742 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9744 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9746 PR rtl-optimization/26232
9747 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9749 2006-02-11 Jason Merrill <jason@redhat.com>
9752 * tree-inline.c (declare_return_variable): Just don't use the
9753 modify target if it's a gimple complex reg and the return slot
9756 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9758 * doc/contrib.texi: Update my entry.
9760 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9762 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9764 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9766 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9769 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9771 * doc/invoke.texi (-floop-optimize2): Removed.
9772 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9773 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9774 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9775 * common.opt (floop-optimize2): Removed.
9776 (fmove-loop-invariants): Enabled by default.
9778 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9780 * tree-if-conv.c (combine_blocks): Free the result of
9781 get_loop_exit_edges.
9783 2006-02-10 Jeff Law <law@redhat.com>
9785 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9787 PR tree-optimization/26213
9788 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9789 loop trying to follow SSA_NAME_VALUE chains.
9791 2006-02-10 Richard Guenther <rguenther@suse.de>
9793 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9794 deal with structures that end in implicitly variable sized arrays.
9796 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9798 PR rtl-optimization/24762
9799 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9802 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9804 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9805 (struct ivopts_data): Add regs_used field.
9806 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9807 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9808 instead of loop_data->regs_used;
9809 (free_loop_data): Do not free aux fields for loops.
9810 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9811 and tree_ssa_iv_optimize_finalize.
9813 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9815 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9817 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9820 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9821 computing the effective result type.
9823 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9826 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9827 (tree_overlaps_hard_reg_set): Declare.
9828 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9829 type and signature to match function type expected by walk_tree.
9830 (tree_overlaps_hard_reg_set): New function.
9831 (decl_conflicts_with_clobbers_p): Rename to:
9832 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9833 Use tree_overlaps_hard_reg_set. Changed caller.
9834 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9835 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9836 * cris.c (cris_md_asm_clobbers): Likewise.
9838 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9840 * reload1.c (emit_input_reload_insns): Delete code that tries to
9841 inherit using find_equiv_reg.
9843 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9845 * c-common.h (flag_const_strings): Don't declare.
9846 * c-common.c (flag_const_strings): Remove.
9847 * c.opt (fconst_strings): Remove.
9848 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9849 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9850 (c_common_init_options): Don't set flag_const_strings.
9851 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9853 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9855 * arm.md (tlobits_cbranch): New pattern.
9856 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9857 testing a single bit.
9859 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9862 * tree-ssa-pre.c (create_component_ref_by_pieces):
9863 Handle RETURN_DECL like VAR_DECL.
9865 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9868 * fold-const.c (fold_indirect_ref_1): Fold
9869 "*(foo *)&complexfoo" to "__real__ complexfoo"
9870 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9872 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9874 * tree-flow-inline.h (var_can_have_subvars):
9875 Volatile variables should not have subvariables.
9877 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9880 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9881 multiplying unsigned values.
9884 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9886 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9888 2006-02-08 Jason Merrill <jason@redhat.com>
9891 * tree.def: Elaborate on difference from MODIFY_EXPR.
9892 * doc/c-tree.texi (INIT_EXPR): Likewise.
9893 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9894 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9895 (gimplify_target_expr): Likewise.
9896 (gimplify_cond_expr): Remove target handling.
9897 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9898 (gimplify_expr): Clobber it here.
9899 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9900 Do return slot optimization if we have an INIT_EXPR.
9903 * tree-inline.c (declare_return_variable): Also clear
9904 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9907 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9910 * gimplify.c (gimplify_one_sizepos): Fix typo.
9912 2006-02-08 Jeff Law <law@redhat.com>
9914 PR tree-optimization/21417
9915 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9916 across a backedge if the control statement at the end of the
9917 block is data dependent on other statements in the same block.
9918 (record_temporary_equivalences_from_stmts): Remove over-conservative
9919 test for threading across backedges.
9921 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9922 control statement, handle all three special cases in the same
9923 manner as they all have the same desired solution. No longer
9924 special case edge flag updating when the post dominator is
9927 2006-02-08 Roger Sayle <roger@eyesopen.com>
9929 * tree.def (CHAR_TYPE): Remove.
9930 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9931 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9932 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9933 (gen_string_type_die): Delete unreachable function.
9935 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9936 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9937 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9938 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9939 * builtins.c (type_to_class): Likewise.
9940 * fold-const.c (fold_convert, build_range_check,
9941 merge_ranges): Likewise.
9942 * expr.c (count_type_elements): Likewise.
9943 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9944 * stor-layout.c (layout_type): Likewise.
9945 * ipa-type-escape.c (type_to_consider): Likewise.
9946 * gimplify.c (omp_firstprivatize_type_sizes,
9947 gimplify_type_sizes): Likewise.
9948 * explow.c (promote_mode): Likewise.
9949 * tree-sra.c (is_sra_scalar_type): Likewise.
9950 * varasm.c (output_constant): Likewise.
9951 * tree-inline.c (remap_type_1): Likewise.
9952 * convert.c (convert_to_pointer, convert_to_real,
9953 convert_to_integer, convert_to_complex): Likewise.
9955 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9957 * df-scan.c (df_def_record_1): A set destination may
9958 be a parallel regardless of mode.
9960 2006-02-08 Roger Sayle <roger@eyesopen.com>
9963 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9964 * config/mips/_tilib.c: Remove.
9965 * config/fixtfdi.c: New libgcc source file.
9966 * config/fixunstfdi.c: New source file.
9967 * config/floatditf.c: New source file.
9968 * config/floatunditf.c: New souce file.
9969 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9970 files above instead of config/mips/_tilib.c.
9971 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9973 2006-02-08 Jeff Law <law@redhat.com>
9975 PR tree-optimization/26169
9976 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9979 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9981 * df.h (DF_REG_SIZE): Return the length of the initialized
9984 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9986 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9987 __muldf3): Return a correctly signed zero.
9989 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9991 * passes.c (register_one_dump_file): Accept the current properties
9992 instead of pass number. Adjust call to dump_register. Remove
9994 (register_dump_files): Now a wrapper around...
9995 (register_dump_files_1): ... this one. Do not modify the pass
9997 (next_pass_1): Cosmetic fix.
9998 (execute_todo): Keep second parameter only. Use curr_properties
9999 instead of fetching it from the pass structure. Check and set
10001 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10002 instead of fetching it from the pass structure. Fix calls to
10003 execute_todo. Update curr_properties and initialize .vcg RTL dump
10004 after running the pass. Reset last_verified.
10005 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10007 (FIRST_AUTO_NUMBERED_DUMP): New.
10008 (dump_register): Remove "num" parameter, assign it within the
10010 (get_dump_file_name): Modify template for dumps.
10011 * tree-dump.h (dump_register): Adjust prototype.
10012 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10013 (PROP_trees): Add PROP_gimple_lomp.
10014 (TODO_set_props): New.
10015 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10016 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10017 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10019 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10021 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10022 (sparc64-*-linux*): Likewise.
10023 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10024 * config/sparc/t-linux: New file.
10025 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10026 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10027 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10028 -m32 -mlong-double-128.
10030 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10031 * config/alpha/t-linux: New file.
10032 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10034 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10035 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10036 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10037 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10038 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10039 (CPP_ARCH32_SPEC): Remove.
10041 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10043 PR tree-optimization/26145
10044 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10047 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10050 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10051 >= 240000 when generating code for SOM runtime.
10052 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10053 to $$dyncall when generating code for SOM runtime..
10055 2006-02-07 Dirk Mueller <dmueller@suse.com>
10058 * doc/invoke.texi (-Wsequence-point): Update documentation
10059 that -Wsequence-point is implemented for C++ as well.
10061 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10063 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10064 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10065 (LIB_SPEC): Likewise.
10066 * doc/invoke.texi (SPARC options): Document -pthread.
10068 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10070 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10073 2006-02-07 Roger Sayle <roger@eyesopen.com>
10075 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10076 Correct comment describing BOOLEAN_TYPE.
10078 2006-02-07 Dirk Mueller <dmueller@suse.com>
10080 * c.opt: C++ frontend supports -Wdiv-by-zero.
10081 * c-opts.c (c_common_handle_option): Remove dead case.
10083 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10085 * configure.ac (TLS assembler check): Do not enable TLS by
10086 default on SPARC/Solaris before version 10.
10087 * configure: Regenerate.
10089 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10091 * doc/invoke.texi (xl-compat): Document conversion and support
10094 2006-02-07 Jeff Law <law@redhat.com>
10096 * tree-vrp.c (find_conditional_asserts): Update comments.
10097 (simplify_stmt_for_jump_threading): New.
10098 (identify_jump_threads, finalize_jump_threads): New.
10099 (vrp_finalize): Call identify_jump_threads.
10100 (execute_vrp): Call finalize_jump_threads.
10101 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10102 (vrp_element, vrp_data, vrp_element_p): Remove.
10103 (vrp_hash_elt, vrp_variables_stack): Remove.
10104 (vrp_hash, vrp_eq, record_range): Remove.
10105 (simplify_cond_and_lookup_avail_expr): Remove.
10106 (extract_range_from_cond): Remove.
10107 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10108 (simplify_stmt_for_jump_threading): New.
10109 (dom_thread_across_edge): New wrapper.
10110 (tree_ssa_dominator_optimize): No longer initialize or
10111 finalize any of the VRP datastructures. Remove iteration
10112 step and simplify as a result of removal of iteration step.
10113 (pass_dominator): Perform a cfg cleanup after DOM.
10114 (dom_opt_finalize_block): Use the new common routines
10115 for threading jumps. Simplify stack management slightly.
10116 No longer need to unwind VRP state.
10117 (record_equivalences_from_incoming_edge): No longer record
10119 (eliminate_redundant_computations): No longer call
10120 simplify_cond_and_lookup_avail_expr.
10121 * tree-flow.h (potentially_threadable_block): Prototype.
10122 (thread_across_edge): Likewise.
10123 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10124 (tree-ssa-threadedge.o): Add dependencies.
10125 * tree-ssa-threadedge.c: New file.
10126 * passes.c (init_optimization_passes): Merge PHIs before
10127 calling VRP. Run VRP again late in the SSA optimization pipeline.
10129 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10131 * df-core.c (df_set_blocks): Do not dereference function pointers.
10132 (df_finish1): Likewise.
10133 (df_hybrid_search_forward): Likewise.
10134 (df_hybrid_search_backward): Likewise.
10135 (df_iterative_dataflow): Likewise.
10136 (df_analyze_problem): Likewise.
10137 (df_compact_blocks): Likewise.
10138 (df_dump): Likewise.
10139 * df-scan.c (df_rescan_blocks): Likewise.
10140 (df_record_entry_block_defs): Likewise.
10142 * genconditions.c (write_conditions): Guard the definition of
10143 'insn_conditions' with the check on GCC version.
10144 (write_writer): Guard the traversal 'insn_conditions' with
10145 the check on GCC version.
10147 2006-02-07 Richard Guenther <rguenther@suse.de>
10151 2006-01-30 Richard Guenther <rguenther@suse.de>
10153 * gimplify.c (gimplify_target_expr): Handle easy cases
10154 without creating a temporary.
10156 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10158 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10159 use of float in probability computations. Use edge probabilities
10160 in place of statically computed probabilities.
10161 (min_spec_prob): New static variable.
10162 (schedule_insns): Initialize it.
10163 (GET_SRC_PROB): Removed.
10164 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10166 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10169 * config/ia64/unwind-ia64.c: Revert last change.
10170 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10171 (INCOMING_FRAME_SP_OFFSET): Define.
10173 2006-02-06 Roger Sayle <roger@eyesopen.com>
10175 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10177 2006-02-07 Ben Elliston <bje@au.ibm.com>
10179 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10180 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10181 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10182 (ix86_return_in_memory): Handle TDmode.
10183 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10184 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10186 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10188 * reorg.c (dbr_schedule): Use dump_file instead of file.
10190 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10193 * config/ia64/predicates.md (extr_len_operand): New predicate.
10194 * config/ia64/ia64.md (extv): Tighten constraints.
10196 (*tbit_and_2): Ditto.
10197 (*tbit_and_3): Ditto.
10198 (*tbit_or_2): Ditto.
10199 (*tbit_or_3): Ditto.
10200 (*bit_zero): Ditto.
10203 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10206 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10208 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10210 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10211 loop_optimizer_init and loop_optimizer_finalize
10212 * tree-ssa-sink.c (execute_sink_code): Ditto.
10213 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10214 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10215 tree_ssa_loop_done): Ditto.
10216 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10217 * sched-ebb.c: Include output.h.
10218 (schedule_ebbs): Do not use dump argument.
10219 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10220 * loop.c (loop_dump_stream): Removed.
10221 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10223 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10224 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10225 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10226 loop_iterations, strength_reduce, record_biv, record_giv,
10227 final_giv_value, check_final_value, check_ext_dependent_givs,
10228 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10229 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10230 dump_file instead of loop_dump_stream.
10231 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10232 argument dump_file.
10233 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10235 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10236 * haifa-sched.c: Include output.h
10237 (schedule_insns, sched_init): Do not use dump argument.
10238 * mode-switching.c (optimize_mode_switching): Ditto.
10239 * modulo-sched.c (stats_file): Removed.
10240 (print_node_sched_params): Do not call argument dump_file.
10241 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10242 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10244 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10246 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10247 rtl_loop_init, rtl_loop_done): Ditto.
10248 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10249 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10251 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10252 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10253 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10254 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10255 * emit-rtl.c (renumber_insns): Ditto.
10256 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10257 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10258 * regclass.c (regclass): Ditto.
10259 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10260 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10261 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10262 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10264 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10265 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10267 * gcse.c (gcse_file, debug_stderr): Removed.
10268 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10269 rest_of_handle_gcse): Do not use dump argument.
10270 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10271 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10272 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10273 compute_code_hoist_vbeinout, compute_code_hoist_data,
10274 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10275 compute_store_table, build_store_vectors, insert_insn_start_bb,
10276 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10277 store_motion): Use dump_file instead of gcse_file.
10278 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10279 * profile.c (profile_dump_file): Removed.
10280 (branch_prob): Use dump_file instead of profile_dump_file.
10281 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10283 * tree-ssa-copy.c (dump_copy_of): Ditto.
10284 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10285 dump file to life_analysis.
10286 * bt-load.c (branch_target_load_optimize): Ditto.
10287 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10289 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10290 regclass, dbr_schedule): Declaration changed.
10291 * sched-int.h (sched_init): Declaration changed.
10292 * tree-profile.c (tree_profile_dump_file): Removed.
10293 (tree_profile_hooks): Removed profile_dump_file hook.
10294 * rtl-profile (rtl_profile_dump_file): Removed.
10295 (rtl_profile_hooks): emoved profile_dump_file hook.
10296 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10298 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10299 * tree-cfg.c (build_tree_cfg): Ditto.
10300 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10301 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10302 Declaration changed.
10303 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10304 life_analysis and schedule_insns.
10305 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10307 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10309 * config/mips/mips.c (mips_reorg): Ditto.
10310 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10313 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10315 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10316 (s390_mangle_fundamental_type): New.
10317 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10320 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10321 (alpha_mangle_fundamental_type): New.
10322 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10325 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10327 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10329 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10330 (sparc_mangle_fundamental_type): New.
10332 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10334 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10335 (s390x-*-linux*): Likewise.
10336 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10337 * config/s390/t-linux: New file.
10339 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10341 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10342 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10344 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10346 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10347 (ANTIC_SAFE_LOADS): New macro.
10348 (find_or_generate_expression): Add prototype.
10349 (set_contains_value): Allow null set for sake of not always having
10350 to allocate ANTIC_SAFE_LOADS.
10351 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10352 Allow COMPONENT_REF too.
10353 (valid_in_set): Allow COMPONENT_REF.
10354 Check ANTIC_SAFE_LOADS too.
10355 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10356 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10358 (can_PRE_operation): Add COMPONENT_REF.
10359 (create_component_ref_by_pieces): New function.
10360 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10361 (insert_aux): Move AGGREGATE_TYPE_P check here.
10362 (compute_avail): Set bb local stmt uids.
10363 (pass_pre): Use TODO_update_ssa_only_virtuals.
10365 2006-02-06 Ben Elliston <bje@au.ibm.com>
10367 * configure.ac: Unconditionally disable decimal float by default.
10368 * configure: Regenerate.
10370 2006-02-06 Ben Elliston <bje@au.ibm.com>
10372 * read-rtl.c (read_name): Terminate reading on EOF.
10374 2006-02-06 Ben Elliston <bje@au.ibm.com>
10376 * dfp.c (decimal_real_arithmetic): Change second argument type
10377 from int to enum tree_code. Do not always return true, but now
10378 return result of any call to decimal_do helper functions.
10379 * dfp.h (decimal_real_arithmetic): Update prototype.
10381 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10383 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10385 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10388 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10391 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10393 * tree-vrp.c (cfg_loops): Removed.
10394 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10395 Use current_loops instead of cfg_loops. Pass flags to
10396 loop_optimizer_init.
10397 * cfgloopmanip.c (fix_loop_structure): Update only available
10399 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10400 loop_optimizer_init.
10401 * modulo-sched.c (build_loops_structure): Removed.
10402 (sms_schedule): Use loop_optimizer_init.
10403 * loop-init.c (loop_optimizer_init): Use flags to determine
10404 which properties of loops to prepare.
10405 (rtl_loop_init): Pass flags to loop_optimizer_init.
10406 * tree-ssa-sink.c (execute_sink_code): Ditto.
10407 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10408 * tree-ssa-pre.c (init_pre): Ditto.
10409 * cfgloop.h (LOOPS_NORMAL): New.
10410 (loop_optimizer_init): Declaration changed.
10412 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10414 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10415 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10417 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10419 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10421 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10422 * pa/t-pa64: Delete quadlib.c rule.
10423 * pa/x-ada: Revert last change.
10424 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10426 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10428 PR rtl-optimization/26087
10429 * rtlanal.c (canonicalize_condition): Do not cross basic block
10432 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10435 * config/ia64/ia64.c: Include debug.h.
10436 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10437 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10438 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10439 (process_epilogue, process_set, process_for_unwind_directive):
10440 Output unwind info only if requested. Add CFA info if requested.
10441 Add new arguments as needed. Adjust callers.
10442 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10444 (DWARF2_FRAME_INFO): Define to zero.
10445 * config/ia64/unwind-ia64.c: Remove code that compensated for
10446 the CFA offset error fixed above.
10447 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10448 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10449 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10450 -funwind-tables and -fexceptions to enable frame info.
10451 (dwarf2out_frame_init): Define initial CFA even if
10452 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10453 DWARF2_UNWIND_INFO is nonzero, not just defined.
10454 (dwarf2out_frame_finish): Output non-EH call frame info only
10455 if DWARF2_FRAME_INFO is nonzero.
10456 (convert_cfa_to_loc_list,
10457 compute_frame_pointer_to_cfa_displacement): Define even if
10458 unwind info is not supported.
10459 (gen_subprogram_die): Use the above unconditionally. Remove
10460 legacy alternate code.
10461 * toplev.c (compile_file): Compile in call to
10462 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10463 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10465 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10466 Jakub Jelinek <jakub@redhat.com>
10468 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10469 IBM extended float format long double as "g" on powerpc*-linux.
10471 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10474 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10475 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10477 2006-02-03 Jason Merrill <jason@redhat.com>
10480 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10482 PR middle-end/25977
10483 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10484 on the return slot if it's an NRV.
10486 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10488 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10489 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10490 rewrite_use): Do not handle USE_OUTER.
10491 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10492 add_iv_outer_candidates, may_replace_final_value,
10493 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10494 (find_interesting_uses_op): Functionality of
10495 find_interesting_uses_outer_or_nonlin moved here.
10496 (find_interesting_uses_outside): Use find_interesting_uses_op.
10498 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10501 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10503 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10504 Ulrich Weigand <uweigand@de.ibm.com>
10507 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10508 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10509 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10510 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10512 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10513 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10514 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10515 Define secondary reloads for TFmode moves.
10516 (constant_modes): Add TFmode.
10517 (NR_C_MODES): Set to 8.
10518 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10520 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10521 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10522 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10523 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10524 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10525 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10526 (FPR mode macro): Add TFmode.
10527 (DSF mode macro): New.
10528 (<de>, <dee> mode attributes): Removed.
10529 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10530 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10531 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10532 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10533 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10534 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10535 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10536 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10537 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10538 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10539 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10540 "*negabs<mode>2", "sqrt<mode>2"):
10541 Changed <de> to <xde>. R constraint replaced by <Rf>.
10542 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10544 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10545 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10546 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10548 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10549 "extenddftf2", "extendsftf2"): New expanders.
10550 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10551 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10552 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10553 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10555 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10556 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10557 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10558 __floatditf): Add a GCC_4.1.0 symbol version tag.
10559 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10562 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10565 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10566 Use targetm.binds_local_p instead of TREE_PUBLIC.
10568 2006-02-02 Roger Sayle <roger@eyesopen.com>
10570 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10571 on INTEGER_TYPEs to indicate that it denotes a character type.
10572 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10573 signed_char_type_node, unsigned_char_type_node and char_type_node.
10574 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10575 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10576 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10578 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10579 Daniel Berlin <dberlin@dberlin.org>
10581 * tree-tailcall.c (arg_needs_copy_p): New function.
10582 (eliminate_tail_call): Use arg_needs_copy_p.
10583 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10584 (add_virtual_phis): New function.
10586 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10588 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10589 #ignore instead of #scratch for %g7 .register directive.
10591 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10593 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10596 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10598 * flow.c (calculate_global_regs_live): Assert that there aren't any
10601 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10603 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10604 what its name says.
10605 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10606 bsi_after_labels iterator.
10607 * tree-if-conv.c (find_phi_replacement_condition,
10608 replace_phi_with_cond_modify_expr): Likewise.
10609 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10610 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10612 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10614 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10616 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10619 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10620 array after growing it.
10622 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10624 PR middle-end/24901
10625 * fold-const.c (fold_checksum_tree): Change type of buf.
10627 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10629 * reload.c (push_secondary_reload): Initialize t_icode.
10631 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10633 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10634 -msoft-float -mlong-double-128 only issue a warning, but don't
10635 swich to DFmode long double.
10637 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10639 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10640 has a constant equivalent, iterate over equivalents for arg0,
10641 calling simplify_relational_operation and if there's a result
10642 cheaper than X, apply fold_rtx and return the result.
10644 2006-02-01 Jan Hubicka <jh@suse.cz>
10646 * opts.c (no_unit_at_a_time_default): New global variable.
10647 (decode_options): Use it.
10648 * opts.h (no_unit_at_a_time_default): Declare.
10650 2006-02-01 Paul Brook <paul@codesourcery.com>
10652 * function.c (assign_parm_setup_reg): Use function argument promotion
10654 * expr.c (expand_expr_real_1): Use function argument promotion rules
10657 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10659 * gcc.c (process_command): Change j to 'unsigned int'.
10661 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10663 PR middle-end/26001
10664 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10665 Use the corrected index for the character
10666 out of the string constant.
10668 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10670 * mode-switching.c (optimize_mode_switching): Fix size
10671 allocated for bb_info[n_entities].
10673 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10675 * gcc.c (main): Correct type that is allocated for
10676 explicit_link_files.
10678 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10680 * config/s390/s390.c (init_alignment_context): Set
10681 ALIAS_SET_MEMORY_BARRIER on the MEM.
10682 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10684 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10686 PR middle-end/25933
10687 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10689 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10692 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10694 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10695 * regrename.c: Ditto.
10696 * tree-ssa-loop-im.c: Ditto.
10697 * tree-dump.c: Ditto.
10698 * tree-complex.c: Ditto.
10699 * genrecog.c: Ditto.
10700 * tree-ssa-threadupdate.c: Ditto.
10702 * java/class.c: Ditto.
10703 * java/jcf-parse.c: Ditto.
10704 * java/resource.c: Ditto.
10705 * java/except.c: Ditto.
10706 * java/jvspec.c: Ditto.
10707 * java/jcf-write.c: Ditto.
10708 * java/jcf-path.c: Ditto.
10709 * java/gjavah.c: Ditto.
10710 * java/zextract.c: Ditto.
10711 * java/jcf-io.c: Ditto.
10712 * java/jcf.h: Ditto.
10713 * java/buffer.c: Ditto.
10714 * java/lang.c: Ditto.
10715 * java/parse-scan.y: Ditto.
10716 * java/lex.c: Ditto.
10717 * java/lex.h: Ditto.
10718 * cfgloopmanip.c: Ditto.
10719 * postreload-gcse.c: Ditto.
10720 * tree-ssa-loop-manip.c: Ditto.
10721 * postreload.c: Ditto.
10722 * tree-ssa-loop-ch.c: Ditto.
10725 * cppspec.c: Ditto.
10726 * diagnostic.c: Ditto.
10728 * genoutput.c: Ditto.
10730 * cfghooks.c: Ditto.
10731 * cfgloopanal.c: Ditto.
10732 * objc/objc-act.c: Ditto.
10734 * genextract.c: Ditto.
10735 * genautomata.c: Ditto.
10736 * pretty-print.c: Ditto.
10737 * genemit.c: Ditto.
10738 * cgraphunit.c: Ditto.
10740 * df-scan.c: Ditto.
10741 * haifa-sched.c: Ditto.
10742 * dominance.c: Ditto.
10744 * tree-ssa-loop-ivopts.c: Ditto.
10745 * df-core.c: Ditto.
10746 * mode-switching.c: Ditto.
10747 * modulo-sched.c: Ditto.
10749 * ipa-pure-const.c: Ditto.
10751 * fix-header.c: Ditto.
10753 * tree-stdarg.c: Ditto.
10754 * ipa-utils.c: Ditto.
10755 * loop-init.c: Ditto.
10756 * ipa-inline.c: Ditto.
10757 * cfganal.c: Ditto.
10759 * alloc-pool.c: Ditto.
10760 * dwarf2out.c: Ditto.
10762 * genattrtab.c: Ditto.
10763 * tree-ssa-loop-ivcanon.c: Ditto.
10764 * predict.c: Ditto.
10765 * timevar.c: Ditto.
10767 * fortran/gfortranspec.c: Ditto.
10768 * regmove.c: Ditto.
10769 * local-alloc.c: Ditto.
10770 * langhooks.c: Ditto.
10771 * function.c: Ditto.
10772 * tree-vectorizer.c: Ditto.
10774 * ipa-type-escape.c: Ditto.
10776 * tree-if-conv.c: Ditto.
10777 * profile.c: Ditto.
10779 * tree-data-ref.c: Ditto.
10780 * loop-unroll.c: Ditto.
10781 * treelang/treetree.c: Ditto.
10783 * bt-load.c: Ditto.
10784 * ggc-common.c: Ditto.
10786 * coverage.c: Ditto.
10788 * tree-cfgcleanup.c: Ditto.
10789 * tree-ssa-pre.c: Ditto.
10790 * cfgcleanup.c: Ditto.
10791 * loop-invariant.c: Ditto.
10792 * loop-iv.c: Ditto.
10793 * ipa-prop.c: Ditto.
10794 * print-tree.c: Ditto.
10795 * conflict.c: Ditto.
10796 * ggc-page.c: Ditto.
10797 * sched-deps.c: Ditto.
10798 * regclass.c: Ditto.
10799 * tree-object-size.c: Ditto.
10800 * combine.c: Ditto.
10801 * bb-reorder.c: Ditto.
10802 * resource.c: Ditto.
10803 * var-tracking.c: Ditto.
10804 * cfgloop.c: Ditto.
10805 * df-problems.c: Ditto.
10806 * reg-stack.c: Ditto.
10808 * gccspec.c: Ditto.
10809 * sched-rgn.c: Ditto.
10810 * tree-ssa-structalias.c: Ditto.
10811 * tree-ssa-reassoc.c: Ditto.
10812 * config/darwin-c.c: Ditto.
10813 * config/darwin.c: Ditto.
10814 * config/arm/arm.c: Ditto.
10816 * collect2.c: Ditto.
10817 * reload1.c: Ditto.
10819 2006-01-31 Nicolas Pitre <nico@cam.org>
10821 * arm.md (smaxsi3): Make aware of smax_m1.
10824 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10826 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10828 2006-01-31 Richard Guenther <rguenther@suse.de>
10830 * doc/invoke.texi (-msselibm): Document.
10831 * target.h (expand_library_builtin): New target hook.
10832 * builtins.c (expand_builtin): Use expand_library_builtin.
10833 (default_expand_library_builtin): New function.
10834 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10835 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10836 (link_gcc_math_spec): Declare.
10837 (static_specs): Add link_gcc_math_spec.
10838 * expr.h (default_expand_library_builtin): Declare.
10839 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10840 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10841 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10842 * config/i386/i386.opt (msselibm): New target option.
10843 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10844 (ix86_init_sse_abi_builtins): New function.
10845 (ix86_expand_library_builtin): Likewise.
10846 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10847 (override_options): Handle error conditions wrt -msselibm.
10848 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10849 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10850 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10853 2006-01-31 Richard Guenther <rguenther@suse.de>
10854 Paolo Bonzini <bonzini@gnu.org>
10856 * doc/install.texi (--disable-libgcc-math): Document.
10858 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10860 * expr.h (expand_normal): new inline function.
10861 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10862 * dojump.c: use it.
10863 * dwarf2out.c: use it.
10866 * expmed.c: use it.
10867 * except.c: use it.
10868 * config/sparc/sparc.c: use it.
10869 * config/i386/i386.c: use it.
10870 * config/rs6000/rs6000.c: use it.
10871 * config/arm/arm.c: use it.
10872 * config/mips/mips.c: use it.
10873 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10875 2006-01-30 Roger Sayle <roger@eyesopen.com>
10877 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10878 argv to the appropriate type.
10880 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10882 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10885 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10888 * config/s390/s390.c (struct machine_function): New flag
10889 decomposed_literal_pool_addresses_ok_p.
10890 (s390_reorg): Set it before final stage of literal pool transforms.
10891 (s390_decompose_address): Only accept displacements of the form
10892 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10894 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10896 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10897 the comparison routine return.
10899 2006-01-30 Michael Matz <matz@suse.de>
10901 * global.c (find_reg): Only evict for global regs.
10902 Take n_refs into account and dump more info.
10904 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10907 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10908 (pragma_trap, pragma_nosave_low_regs): Likewise.
10909 (current_function_anonymous_args): Likewise.
10910 (sh_deferred_function_attributes): New variable.
10911 (sh_deferred_function_attributes_tail): Likewise.
10912 (print_operand): For '@', look up trap_exit attribute.
10913 (calc_live_regs): Look up trapa_handler attribute. For trapa
10914 handlers, save/restore fpscr, but don't do any other
10915 interrupt-specific saves.
10916 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10917 Fix check for partially saved registers to check for SHmedia.
10918 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10919 (sh_output_function_epilogue): Don't clear any of the removed
10921 (sh_insert_attributes): Don't check pragma_interrupt.
10922 Insert deferred attributes. Check that interrupt attribute is
10923 present for other attributes that require its presence.
10924 (sh_attribute_table): Add new attributes trapa_handler and
10926 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10927 Don't check for pragma_interrupt. Don't store argument.
10928 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10929 (sh_deferred_function_attributes): Declare.
10930 (sh_deferred_function_attributes_tail): Likewise.
10931 * sh.md (sp_switch_1): Add operand. Change generator caller.
10932 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10933 (*return_i): Don't use when trap_exit attribute is in effect.
10934 (*return_trapa): New insn pattern.
10935 * sh-c.c: New file.
10936 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10937 setting c_target_objs and cxx_target_objs.
10938 * t-sh: Add rule for sh-c.o.
10940 2006-01-30 Richard Guenther <rguenther@suse.de>
10943 * gimplify.c (gimplify_target_expr): Handle easy cases
10944 without creating a temporary.
10946 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10948 * vec.h (safe_grow): Remove duplicated line.
10950 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10953 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10954 (expand_omp): ... here.
10955 (expand_omp_parallel): Only remove barriers for combined
10956 parallel+workshare constructs.
10958 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10962 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10963 * tree.c (build_qualified_type): Chain the new type to the original
10964 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10965 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10966 (build_pointer_type_for_mode): Only return unqualified types.
10967 (build_reference_type_for_mode): Likewise.
10969 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10971 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10972 * Makefile.in (CXX_COMPAT_WARN): Define.
10973 * configure: Regenerate.
10975 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10978 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10981 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10983 * toplev.c: Fix thinko.
10985 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10986 Marcin Dalecki <martin@dalecki.de>
10988 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10989 (push_srcloc): Use XNEW.
10990 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10992 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10994 * df-core.c (df_set_blocks): Deleted all variable.
10996 2006-01-28 Ian Lance Taylor <ian@airs.com>
10998 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10999 cgraph_output_pending_asms.
11001 2006-01-28 Zack Weinberg <zackw@panix.com>
11003 * c.opt: Add -W(no-)overlength-strings.
11004 * doc/invoke.texi: Document it.
11005 * c-opts.c (c_common_handle_option): -pedantic implies
11006 -Woverlength-strings, if not explicitly disabled already.
11007 (c_common_post_options): -Woverlength-strings defaults to off, and
11008 is always off for C++.
11009 * c-common.c (fix_string_type): Issue warning about strings longer
11010 than is portable only if warn_overlength_strings. Rearrange code
11011 a little for clarity.
11012 * configure.in: Check for -Wno-overlength-strings as well before
11013 enabling -pedantic in stage 1.
11014 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11015 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11017 * genconditions.c (write_header, write_one_condition)
11018 (write_conditions, write_writer): Consolidate very long strings
11019 that were broken up to fit in C89 portable limit. Don't use
11020 printf when fputs will do.
11022 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11024 * combine.c (simplify_comparison <AND>): Check
11025 TRULY_NOOP_TRUNCATION before start using a subreg.
11027 * config/mips/mips.md (*branch_zero<mode>,
11028 *branch_zero<mode>_inverted, *branch_equality<mode>,
11029 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11030 Remove mode check from comparisons.
11032 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11034 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11036 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11038 * expmed.c (const_mult_add_overflow_p): Remove.
11039 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11041 * recog.c (validate_replace_rtx_subexp): Remove.
11042 * recog.h: Remove the prototype for
11043 validate_replace_rtx_subexp.
11045 * integrate.h: Remove the prototype for
11046 copy_decl_for_inlining.
11047 * rtl.h: Remove the prototype for mark_constant_function.
11048 * tree-vectorizer.h: Remove the prototype for
11049 vect_strip_conversion.
11051 * modulo-sched.c (create_partial_schedule,
11052 free_partial_schedule, reset_partial_schedule): Make them
11055 * hooks.c (hook_bool_rtx_int_false): Remove.
11056 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11058 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11060 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11061 and -mlong-double-128 are incompatible.
11062 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11063 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11064 (TARGET_LIBGCC2_CFLAGS): Define.
11065 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11066 (TARGET_LIBGCC2_CFLAGS): Same.
11067 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11069 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11072 * c-typeck.c (build_binary_op): Perform implicit casts of
11073 operands before shortening them.
11075 * cfgloopmanip.c (split_loop_bb): Remove.
11076 * cfgloop.h: Remove the prototype for split_loop_bb.
11078 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11079 * cfgloop.h: Remove the prototype for
11080 flow_loop_outside_edge_p.
11082 * emit-rtl.c (init_virtual_regs): Make it static.
11083 * function.h: Remove the prototype for init_virtual_regs.
11085 * recog.c (peephole2_optimize): Make it static.
11086 * recog.h: Remove the prototype for peephole2_optimize.
11088 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11090 * df-scan.c (df_record_entry_block_defs): Check if
11091 INCOMING_RETURN_ADDR_RTX is defined.
11093 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11094 Kenneth Zadeck <zadeck@naturalbridge.com>
11096 PR rtl-optimization/24762
11097 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11098 * targhooks.c (hook_void_bitmap): New hook prototype.
11099 * targhoohs.h (hook_void_bitmap): Ditto.
11100 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11101 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11102 * target.h (live_on_entry): New function pointer.
11103 * df-scan.c (df_all_hard_regs): Removed.
11104 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11105 (df_scan_free_internal): Added df->entry_block_defs.
11106 (df_scan_alloc): Ditto.
11107 (df_scan_dump): Ditto.
11108 (df_uses_record): Plumbed flag field properly thru calls.
11109 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11110 This part fixes PR24762.
11111 (df_bb_refs_record): Added code to make the frame and arg
11112 pointers live in EH blocks.
11113 (df_refs_record): Added call to df_record_entry_block_defs.
11114 (df_record_entry_block_defs): New function.
11115 * df-core.c: Added comments to describe new artifical defs.
11116 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11117 (entry_block_defs): New field in struct df.
11118 (df_all_hard_regs): Deleted.
11119 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11120 * df-problems.c (df_ru_bb_local_compute_process_def):
11121 Added code to handle artifical defs in the entry to a function.
11122 (df_ru_bb_local_compute): Ditto.
11123 (df_rd_bb_local_compute_process_def): Ditto.
11124 (df_rd_bb_local_compute): Ditto.
11125 (df_lr_bb_local_compute): Ditto.
11126 (df_ur_bb_local_compute): Ditto.
11127 (df_urec_bb_local_compute): Ditto.
11128 (df_chain_create_bb): Ditto.
11129 (df_ur_local_finalize): Removed entry.
11130 (df_urec_init): Ditto.
11131 (df_urec_local_finalize): Ditto.
11132 (df_ri_bb_compute): Added detection of last use of pseudos.
11133 * Makefile.in (df-scan.o): Updated dependencies.
11134 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11135 * config/mips/mips.c (mips_set_live_on_entry): Added.
11136 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11138 * dce.c (marked_insn_p): Added code to handle artifical defs.
11140 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11142 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11144 (_mm_cvtsi128_si64): Likewise.
11145 (_mm_cvtsd_si64): Likewise.
11146 (_mm_cvttsd_si64): Likewise.
11147 (_mm_cvtsi64_sd): Likewise.
11148 (_mm_cvtsi64_si128): Likewise.
11149 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11150 (_mm_cvtsi64_m64): Likewise.
11151 (_m_to_int64): Likewise.
11152 (_mm_cvtm64_si64): Likewise.
11153 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11154 (_mm_cvttss_si64): Likewise.
11155 (_mm_cvtsi64_ss): Likewise.
11156 (_mm_cvtss_f32): Likewise.
11158 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11160 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11161 for pragma redefine_extname.
11163 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11166 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11167 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11168 -mno-minimal-toc to previous content.
11169 (bispecs): Remove goal.
11170 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11171 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11172 compatibility aliases on powerpc-*-*gnu*.
11173 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11174 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11175 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11176 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11177 (ldblspecs): New goal.
11178 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11179 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11181 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11182 L_sf_to_tf or L_df_to_tf is defined.
11184 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11185 Alan Modra <amodra@bigpond.net.au>
11188 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11189 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11190 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11191 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11192 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11193 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11194 (rs6000_override_options): Initialize rs6000_ieeequad.
11195 Initialize TFmode format to ibm_extended_format if not
11197 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11199 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11200 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11201 (function_arg_advance): IBM long double passed in two FPRs, not
11203 (function_arg): IBM long double passed in FPRs.
11204 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11205 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11206 Only multireg GPR aligned.
11207 (rs6000_init_libfuncs): Enable IBM long double functions if not
11209 (rs6000_generate_compare): Use IBM long double compare if not
11211 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11212 (TARGET_IEEEQUAD): Define.
11213 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11214 not TARGET_IEEEQUAD.
11215 * config/rs6000/rs6000.md: Enable TFmode patterns if
11217 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11218 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11219 and -mlong-double-128 are incompatible.
11220 * doc/invoke.texi (-mabi): Collect options together. Add
11221 ibmlongdouble and ieeelongdouble.
11223 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11225 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11227 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11228 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11229 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11230 * rtl.h (rtunion_def): Remove rt_ptr.
11232 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11233 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11234 * config/i386/winnt.c (i386_pe_mark_dllexport)
11235 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11237 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11239 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11241 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11245 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11246 pthread_key_delete. From John David Anglin. gthrw-ify
11247 pthread_getunique_np only if it it's not a macro. Delete
11249 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11250 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11251 __gthread_objc_condition_signal, __gthread_key_delete): Add
11252 "__attribute__ ((__unused__))" to unused arguments.
11253 (__gthread_recursive_mutex_init_function): Add missing return.
11254 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11255 gthr-posix95.h: Use macro-based approach for name redirection
11256 on targets missing weakref.
11258 2006-01-26 Zack Weinberg <zackw@panix.com>
11260 * genconditions.c (write_header): In generated code, #ifdef out
11261 all includes and fake declarations, except includes of bconfig.h
11262 and system.h, unless GCC_VERSION >= 3001. Do not include
11263 gensupport.h in any case.
11264 (write_conditions): Generate a definition of struct c_test. Add
11265 a comment to the generated #endif.
11266 (write_one_condition): Escape backslashes in string too.
11267 (write_writer): Generated code must escape backslashes and quote
11268 marks (but not newlines) in the strings it writes.
11269 * Makefile.in (build/gencondmd.o): Update dependencies.
11271 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11274 * Makefile.in (insn-automata.o): Add header file dependencies.
11275 * genautomata.c: Add includes.
11277 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11280 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11282 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11284 * configure.ac: Expect target tools paths to be passed from the toplevel
11285 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11287 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11289 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11292 * c.opt (Wpointer-sign): Init to -1.
11293 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11294 OPT_pedantic, to 0 otherwise.
11295 * doc/invoke.texi: Update.
11297 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11299 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11300 constants provided by 80387 instructions in the destination mode.
11302 2006-01-26 Richard Guenther <rguenther@suse.de>
11303 Andrew Pinski <pinskia@physics.uc.edu>
11306 partial PR tree-opt/17064
11307 * tree-ssa-structalias.c (intra_create_variable_infos):
11308 Create heap variables for incoming parameters if
11309 flag_argument_noalias > 1.
11310 (find_what_p_points_to): Look through default defs of
11313 2006-01-26 Jeff Law <law@redhat.com>
11316 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11317 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11318 within the VR_RANGE, use the VR_RANGE as the result, not the
11320 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11321 bounds for the type.
11323 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11325 * tree-ssa-alias.c (maybe_create_global_var): Change
11326 subvar walking to an assertion that we don't have subvar'd variables.
11328 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11331 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11332 Use a new variable, inner. PARM_DECLs are always non-weak.
11334 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11336 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11337 --disable-checking.
11339 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11341 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11343 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11345 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11346 (smax_insn, smin_insn, smax_0, smin_0): New.
11348 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11351 * config/cris/cris.c (cris_order_for_addsi3): New function.
11352 * config/cris/cris-protos.h: Prototype it.
11353 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11354 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11355 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11356 (split for "op.S1 [rx=rx+i],ry (swapped)")
11357 (split for "op(s|u).S1 [rx=rx+i],ry")
11358 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11359 Apply cris_order_for_addsi3 when generating addsi3 insns.
11361 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11363 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11364 (TREE_BLOCK): Add call to EXPR_CHECK.
11366 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11369 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11370 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11371 (dump_omp_clauses): ... here.
11372 (dump_generic_node): Handle OMP_CLAUSE.
11373 * tree.c (omp_clause_num_ops): New.
11374 (omp_clause_code_name): New.
11375 (tree_code_size): Handle OMP_CLAUSE.
11376 (tree_size): Likewise.
11377 (make_node): Document handling of OMP_CLAUSE.
11378 (tree_node_structure): Handle OMP_CLAUSE.
11379 (omp_clause_check_failed): New.
11380 (omp_clause_range_check_failed): New.
11381 (omp_clause_operand_check_failed): New.
11382 (build_omp_clause): New.
11383 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11384 * tree.h (enum omp_clause_code): Declare.
11385 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11386 (OMP_CLAUSE_RANGE_CHECK): Define.
11387 (OMP_CLAUSE_ELT_CHECK): Define.
11388 (omp_clause_check_failed): Declare.
11389 (omp_clause_operand_check_failed): Declare.
11390 (omp_clause_range_check_failed): Declare.
11391 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11392 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11393 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11394 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11395 (OMP_CLAUSE_IF_EXPR): Likewise.
11396 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11397 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11398 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11399 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11400 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11401 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11402 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11403 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11404 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11405 (OMP_CLAUSE_CODE): Define.
11406 (OMP_CLAUSE_SET_CODE): Define.
11407 (OMP_CLAUSE_CODE): Define.
11408 (OMP_CLAUSE_OPERAND): Define.
11409 (struct tree_omp_clause): Declare.
11410 (union tree_node): Add field 'omp_clause'.
11411 * treestruct.def (TS_OMP_CLAUSE): Define.
11412 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11413 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11414 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11415 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11416 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11417 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11418 (OMP_CLAUSE): Define.
11419 * print-tree.c (print_node): Handle OMP_CLAUSE.
11420 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11421 * c-typeck.c: Likewise.
11422 * gimplify.c: Likewise.
11423 * c-omp.c: Likewise.
11424 * tree-nested.c: Likewise.
11425 * tree-inline.c: Likewise.
11426 * c-parser.c: Likewise.
11427 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11430 2006-01-25 Roger Sayle <roger@eyesopen.com>
11432 PR rtl-optimization/25703
11433 * combine.c (try_combine): Handle zero_extract and strict_low_part
11434 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11436 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11438 * global.c: Fix comment typos.
11440 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11443 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11444 Use output_addr_const instead of assemble_name.
11446 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11448 * Makefile.in (sched-vis.o): Update dependencies.
11449 * haifa-sched.c (sched_finish): Clear current_sched_info.
11450 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11451 (dump_flow_info): Call it.
11452 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11454 * basic-block.h (dump_bb_info): Declare.
11455 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11456 option, and apply options only for dump files whose TDF_RTL,
11457 TDF_TREE, or TDF_IPA bits match.
11458 * rtl.h: Declare new functions exported from sched-vis.c.
11459 * sched-vis.c: Enable also if scheduling is not used.
11460 (print_value): Print the mode of registers if not inside scheduling.
11461 (print_insn): Make it work outside the scheduler. Beautify the output
11463 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11465 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11467 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11468 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11469 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11470 depending on the value of CONSTANT_POOL_ADDRESS_P.
11471 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11473 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11474 rather than SYMBOL_REF_DECL.
11475 (rtx_constant_pool): Remove const_rtx_sym_htab.
11476 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11477 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11478 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11479 Remove handling of const_rtx_sym_htab.
11480 (find_pool_constant): Delete.
11481 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11482 rather than find_pool_constant.
11483 (get_pool_constant_for_function): Delete.
11484 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11485 find_pool_constant.
11486 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11487 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11488 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11489 (SYMBOL_REF_CONSTANT): New macro.
11490 (get_pool_constant_for_function): Delete.
11491 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11492 rather than SYMBOL_REF_DECL.
11493 (i386_pe_mark_dllimport): Likewise.
11494 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11495 rather than SYMBOL_REF_DECL.
11496 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11497 (machopic_indirect_call_target): Likewise.
11499 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11501 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11503 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11505 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11507 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11509 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11511 2006-01-24 David Daney <ddaney@avtrex.com>
11514 * configure.ac (enable_tls): New enable option.
11515 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11516 * configure: Regenerate.
11517 * doc/install.texi (--enable-tls): Document new option.
11518 (--disable-tls): Ditto.
11520 2006-01-24 Richard Henderson <rth@redehat.com>
11522 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11523 * alias.c (true_dependence): Respect it.
11524 (canon_true_dependence, write_dependence_p): Likewise.
11525 * builtins.c (get_builtin_sync_mem): Set it.
11527 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11529 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11532 2006-01-24 DJ Delorie <dj@redhat.com>
11534 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11535 for storing constants in single-bit bitfields.
11537 2006-01-25 Ben Elliston <bje@au.ibm.com>
11539 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11541 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11544 * tree-ssa-pre.c (phi_translate): Return NULL
11545 for AGGREGATE_TYPE's.
11547 2006-01-24 Zack Weinberg <zackw@panix.com>
11549 * genautomata.c (process_state_for_insn_equiv_partition):
11550 Use xcalloc for insn_arcs_array.
11551 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11552 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11554 2006-01-24 Richard Henderson <rth@redhat.com>
11556 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11557 update all callers.
11559 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11561 PR rtl-optimization/25890
11562 PR rtl-optimization/25905
11563 * combine.c (expand_compound_operation, expand_field_assignment):
11564 Fail if the bitfield's final position is out of bounds.
11566 2006-01-24 Ian Lance Taylor <ian@airs.com>
11568 PR middle-end/25930
11569 * cgraphunit.c (cgraph_output_in_order): Don't clear
11570 cgraph_asm_nodes until after asm strings have been output.
11572 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11574 * fix-header.c (read_scan_file): Add new parameter imultilib when
11575 calling register_include_chains.
11577 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11579 * omp-low.c: Update documentation.
11581 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11582 Daniel Berlin <dberlin@dberlin.org>
11586 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11587 return from the function.
11589 2006-01-22 Zack Weinberg <zackw@panix.com>
11591 * rtl.def (match_code): Add second argument.
11592 * genpreds.c (write_extract_subexp): New function.
11593 (write_match_code): Add path argument. Use write_extract_subexp.
11594 (write_predicate_expr): Pass path to write_match_code.
11595 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11596 not perform a mode test.
11597 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11598 a subexpression does not constrain the top-level code set.
11599 * read-rtl.c (read_rtx_variadic): New function.
11600 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11601 * doc/md.texi: Document new notation.
11602 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11603 (cmpsi_operand): ... here, using new notation.
11605 2006-01-22 Zack Weinberg <zackw@panix.com>
11607 * varray.c: Remove GENERATOR_FILE #ifdefs.
11609 2006-01-22 Zack Weinberg <zackw@panix.com>
11611 * genautomata.c (output_reserved_units_table): Emit nothing if
11612 description->query_units_num is zero. Remove extra blank line.
11613 (output_cpu_unit_reservation_p): Short circuit
11614 if description->query_units_num is zero.
11616 2006-01-22 Zack Weinberg <zackw@panix.com>
11618 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11619 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11620 nor any of the random handful of variables that used to be necessary
11621 when this program was linked with rtlanal.o. Prune set of forward
11622 function declarations.
11623 (struct attr_desc): Remove static_p field.
11624 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11625 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11626 (attr_string): Do not read the character one past the length of
11628 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11629 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11630 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11631 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11632 (make_automaton_attrs): New.
11633 (main): Do not call into genautomata. Call local gen_bypass
11634 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11635 Remove special case for insn_alts.
11636 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11637 varray.h (leftover from previous change). Prune set of forward
11638 function declarations. Remove state_alts fields from all
11639 structures. Remove state_alts_table from struct automaton.
11640 Make everything except main static. Do not maintain num_dfa_decls.
11641 Do not maintain state_alts fields of various structures.
11642 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11643 (add_arc): Remove state_alts argument. All callers updated.
11644 (output_reserved_units_table): Emit #ifdef here...
11645 (output_tables): ...not here. Don't generate state_alts tables.
11646 (expand_automata): Don't generate attributes.
11647 (write_automata): Don't generate state_alts functions.
11648 (main): New function.
11649 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11650 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11651 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11652 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11653 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11654 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11655 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11656 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11658 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11659 * genattrtab.h: Delete file.
11660 * Makefile.in (OBJS-common): Add insn-automata.o.
11661 (insn-automata.o): New rule.
11662 (simple_generated_c): Add insn-automata.c.
11663 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11664 (genprogmd): Add automata.
11665 (build/genattrtab): Needs no extra objects nor libraries.
11666 (build/genautomata): Needs build/vec.o and -lm.
11668 2006-01-22 Zack Weinberg <zackw@panix.com>
11670 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11671 (output_dfa_max_issue_rate, locked_states_num): Delete.
11672 (struct automaton): Add locked_states field.
11673 (output_dead_lock_vect): Save number of locked states in
11674 automaton->locked_states. If it is zero, don't print anything.
11675 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11676 (output_internal_dead_lock_func): Only test the dead_lock_vect
11677 for automata that have locked states.
11678 (output_statistics): Always print the number of locked states for
11679 each automaton. Calculate total number of locked states here.
11680 (write_automata): Don't call output_dfa_max_issue_rate.
11681 * genattrtab.c: Define length_unit_log as a const variable.
11682 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11683 max_insn_queue_index const.
11684 * final.c (length_unit_log): Declare const.
11685 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11687 2006-01-22 Zack Weinberg <zackw@panix.com>
11689 * genautomata.c: Include vec.h, not varray.h.
11690 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11691 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11692 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11693 VEC_* macros operating on appropriately typed vectors, or to
11694 malloced arrays when the size is known in advance. Const-ify
11695 many char* variables and function arguments. No functional changes.
11696 * Makefile.in (build/varray.o): Delete rule.
11697 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11698 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11700 2006-01-22 Zack Weinberg <zackw@panix.com>
11702 * gensupport.c: Define get_insn_name and record_insn_name here.
11703 (read_md_rtx): Call record_insn_name as appropriate.
11704 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11705 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11706 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11708 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11709 (BUILD_VARRAY): Delete.
11710 (genprognormal): Rename genprogmd. Fold in all programs from
11711 genprognoprint; also attrtab.
11712 (build/genattrtab): Just mention genautomata.o and varray.o.
11713 Reorganize a bit, add comments to make the categories clearer.
11715 2006-01-22 Zack Weinberg <zackw@panix.com>
11717 * genconditions.c (condition_table, add_condition): Delete.
11718 (write_conditions): Don't emit n_insn_conditions nor
11719 insn_elision_unavailable. Issue the gcc version #ifdef here,
11720 inside the table, with no #else clause ...
11721 (write_header): ...not here.
11722 (write_writer): New function.
11723 (main): Don't initialize condition_table. Use add_c_test.
11725 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11726 files on the command line.
11727 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11728 Return -1 if there is no entry in the table, don't abort.
11729 (add_c_test, traverse_c_tests): New functions.
11730 * gensupport.h (insn_elision_unavailable, insn_conditions)
11731 (n_insn_conditions): Delete declarations.
11732 (add_c_test, traverse_c_tests): Declare.
11733 * read-rtl.c: Include gensupport.h.
11734 (read_conditions): New function.
11735 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11736 (read_rtx_1): If we get EOF when we were looking for an initial
11737 open paren, return 0. Call read_conditions when appropriate.
11738 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11739 dummy-conditions.o. Eliminate references to insn-conditions.o,
11740 or change them to build/gencondmd.o, as appropriate. Remove
11741 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11742 from $(simple_generated_c). For all files remaining in those
11743 two lists, add insn-conditions.md to the generator command line.
11744 Give insn-constants.h/s-constants their own rules. Add rules
11745 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11746 (build/read-rtl.o): Depend on gensupport.h.
11747 (genprognormal): Include preds.
11748 (genprogearly): Rename genprognoprint; only difference is now that
11749 they don't link with $(BUILD_PRINT).
11750 * dummy-conditions.c: Delete.
11752 2006-01-22 Zack Weinberg <zackw@panix.com>
11754 * genextract.c: Don't include insn-config.h. Do include vec.h.
11755 Declare vectors of int, char, and locstr.
11756 (locstr): New typedef.
11757 (struct extraction): Make all array fields into bare pointers.
11758 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11759 (insn_code_number): Delete.
11760 (accum_extract): New struct.
11761 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11762 (gen_insn): Take insn_code_number as an argument. Use an
11763 accum_extract structure instead of loading data directly into
11764 a struct extraction, and having to know how big it might get.
11765 (walk_rtx): Operate entirely on an accum_extract structure.
11766 (print_path): Avoid unnecessary use of printf.
11767 (print_header): New function, split out of main. Distinguish
11768 more carefully between an unrecognizable insn and an insn that
11769 has the code number of a define_expand.
11770 (main): Pass insn_code_number to gen_insn. Call print_header
11771 only after parsing. Avoid unnecessary use of printf.
11772 * Makefile.in (build/vec.o): New rule.
11773 (build/genextract): Depend on build/vec.o.
11774 (build/genextract.o): Don't depend on insn-config.h.
11776 2006-01-22 Zack Weinberg <zackw@panix.com>
11778 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11779 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11780 practical. Eliminate per-generator-program link rules.
11782 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11784 PR middle-end/24437
11785 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11786 with a call expr to ...
11787 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11789 2006-01-23 Richard Guenther <rguenther@suse.de>
11791 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11792 before make_edge with conditional EDGE_TRUE_VALUE.
11794 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11795 Jan Hubicka <jh@suse.cz>
11796 Richard Guenther <rguenther@suse.de>
11798 PR rtl-optimization/25654
11799 * cfgexpand.c (aggregate_contains_union_type): New function.
11800 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11801 for structure variables that contain a union type.
11803 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11805 * gengtype.c (new_structure): Return the structure.
11806 (create_option): Add an extra "next" argument.
11807 (create_field): New function.
11808 (adjust_field_rtx_def): Use create_option and create_field.
11809 Remove a now-unnecessary call to find_structure.
11810 (adjust_field_tree_def): Likewise.
11811 (note_yacc_type): Remove an unnecessary call to find_structure.
11812 * gengtype.h (new_structure): Return the structure.
11813 (create_option): Add an extra argument.
11814 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11815 (option): Adjust calls to create_option.
11817 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11819 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11821 2006-01-22 Paul Brook <paul@codesourcery.com>
11822 Peter Barada <peter@the-baradas.com>
11824 * config/m68k/m68k.md: Add Coldfire FPU support.
11825 Define FP mode macro and associated attributes.
11826 Use it for float mode patterns.
11827 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11828 (LIBCALL_VALUE): Use m68k_libcall_value.
11829 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11830 (m68k_function_value): Ditto.
11831 (emit_move_sequence): Ditto.
11832 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11833 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11834 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11835 (MULTILIB_EXCEPTIONS): Ditto.
11836 * config/m68k/m68k.opt: Add mcfv4e.
11837 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11838 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11839 (m68k_output_function_prologue): Save ColdFire FPU registers.
11840 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11841 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11842 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11843 ColdFire FPU registers.
11844 (m68k_libcall_value, m68k_function_value): New functions.
11845 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11846 (LIBCALL_VALUE): Use m68k_libcall_value.
11847 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11848 (MASK_COLDFIRE): Add MASK_CFV4E.
11849 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11850 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11851 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11852 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11853 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11854 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11855 * doc/invoke.tex: Document -mcfv4e on m68k.
11857 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11859 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11862 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11865 * c-opts.c (c_common_handle_option): Don't include
11866 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11867 * doc/invoke.texi (C++ Dialect Options): Document that
11868 -Wnon-virtual-dtor is no longer included in -Wall.
11870 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11872 * gcov.c (print_version), gcov-dump.c (print_version),
11873 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11876 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11878 * df-scan.c (problem_SCAN): Added NULL reset function.
11879 (df_scan_reset_blocks): Added code to call reset block function
11880 (df_bb_refs_delete) Fixed comment.
11881 (df_insn_refs_delete): Made tolerant of deleting non existent info
11882 for dataflow problems that need to be reset.
11883 * df-core.c (df_set_blocks): Ditto.
11884 * df.h (struct df_problem): Added reset_fun.
11885 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11886 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11887 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11888 functions to clear out all references to def-use or use-def chains.
11890 2006-01-21 Ben Elliston <bje@au.ibm.com>
11892 * varasm.c (assemble_real): Initialise data array.
11894 2006-01-20 Paul Brook <paul@codesourcery.com>
11896 Merge from csl-arm-branch.
11897 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11898 * config/arm/arm.md (movdi): Force operands[1] to a register
11899 if we have a non-register source.
11900 (*arm_movdi, *movdf_soft_insn): Require that one of the
11901 operands be a register.
11902 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11903 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11905 2006-01-20 DJ Delorie <dj@redhat.com>
11907 * varasm.c (initializer_constant_valid_p): Allow pointers
11908 initialized from integer constants of lesser precision.
11909 (output_constant): Allow non-int-sized pointer modes to be
11910 initialized from integer constants.
11912 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11915 * cppdefault.h (struct default_include): Add multilib flag.
11916 * cppdefault.c (cpp_include_defaults): Set it.
11917 * c.opt (-imultilib): New option.
11918 * c-opts.c (imultilib): New.
11919 (c_common_handle_option): Handle -imultilib.
11920 (c_common_post_options): Likewise.
11921 * c-incpath.c (add_standard_paths, register_include_chains):
11923 * c-incpath.h (register_include_chains): Add extra parameter.
11924 * gcc.c (do_spec_1): Generate -imultilib option.
11925 (The Specs Language): Update %I description.
11926 (process_command): Update copyright notice.
11927 * doc/cppopts.texi (-imultilib): Document.
11928 * doc/invoke.texi (-imultilib): Include in option summary.
11929 (%I): Update specs documentation.
11931 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11933 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11935 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11937 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11940 2006-01-20 Richard Guenther <rguenther@suse.de>
11941 Steven Bosscher <stevenb.gcc@gmail.com>
11943 PR rtl-optimization/24626
11944 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11945 EDGE_TRUE_VALUE if in RTL mode.
11948 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11949 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11951 2006-01-20 Dirk Mueller <dmueller@suse.com>
11954 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11955 instead of a special NOP marker.
11956 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11957 NOP marker handling.
11958 * c-common.h (empty_body_warning): Add forward declaration.
11959 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11960 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11962 2006-01-20 Paul Brook <paul@codesourcery.com>
11964 * Makefile.in (lang_checks): Keep going if mkdir fails.
11966 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11968 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11969 be able to clean out basic block when not necessary.
11970 (df_scan_free): Fixed to properly delete information if df is
11971 unused before calling df_finish.
11972 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11973 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11975 (df_bb_refs_delete): New function.
11976 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11977 * df-core.c (df_set_blocks): Added code to properly clean out
11978 unused blocks if they are not part of the blocks to consider.
11979 Added additional null check.
11980 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11981 be able to clean out basic block when not necessary
11982 * df.h (df_free_bb_function): Ditto.
11983 (df_bb_refs_delete): New function.
11984 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11985 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11986 basic block parameter to be able to clean out basic block when not
11988 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11989 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11990 Fixed to properly delete information if df is unused before
11993 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11995 PR rtl-optimization/25799
11996 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11997 Corrected confluence operator to remove bits from op2 before oring
11998 with op1 rather than removing bits from op1.
11999 (df_ru_transfer_function): Corrected test on wrong bitmap which
12000 caused infinite loop. Both of these problems were introduced in
12001 the dataflow rewrite.
12003 2006-01-19 DJ Delorie <dj@redhat.com>
12005 * reload1.c (find_reload_regs): Note the details of reload
12006 failures in the dump file.
12007 (spill_failure): Likewise.
12009 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12011 * loop-iv.c: Include df.h and hashtab.h.
12012 (enum iv_grd_result): New enum.
12013 (DF_REF_IV, DF_REF_IV_SET): New macros.
12014 (struct biv_entry): New.
12015 (df, bivs): New global variables.
12016 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12017 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12019 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12020 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12021 analyzed_for_bivness_p, record_biv): New functions.
12022 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12023 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12024 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12026 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12028 (iv_number_of_iterations): Use new interface to iv analysis.
12029 * loop-unroll.c: Do not include varray.h.
12030 (analyze_iv_to_split_insn): Use new interface to iv
12032 * loop-unswitch.c (may_unswitch_on): Ditto.
12033 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12035 (df_bb_modify): Realloc tables to the new index.
12036 (df_find_use): New function.
12037 * df.h (df_find_use): Declare.
12038 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12040 * cfgloop.h (struct rtx_iv): Remove analysed field.
12041 (iv_get_reaching_def): Removed.
12042 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12043 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12044 (loop-iv.o): Add df.h and hashtab.h dependency.
12045 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12047 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12050 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12052 (__floatundisf, __floatundidf): Likewise.
12053 * libgcc2.h (IS_IBM_EXTENDED): Define.
12055 2006-01-19 DJ Delorie <dj@redhat.com>
12057 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12059 2006-01-19 Paul Brook <paul@codesourcery.com>
12061 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12062 as nothrow when unwinding tables are disabled.
12064 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12067 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12068 of bit-field" when in system header.
12070 2006-01-19 DJ Delorie <dj@redhat.com>
12072 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12073 the 16 bit shift limit of the m16c.
12075 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12078 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12079 * config/i386/i386.c (output_set_got): Output the label if we have one
12080 for the TARGET_DEEP_BRANCH_PREDICTION case.
12082 2006-01-19 Jan Hubicka <jh@suse.cz>
12083 H.J. Lu <hongjiu.lu@intel.com>
12084 Evandro Menezes <evandro.menezes@amd.com>
12086 * invoke.texi (generic): Document
12088 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12089 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12090 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12091 (x86_use_incdec, x86_pad_returns): New variables
12092 (TARGET_CPU_DEFAULT_generic): New constant
12093 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12094 (enum processor_type): Add generic32 and generic64.
12095 * i386.md (cpu attribute): Add generic32/generic64
12096 (movhi splitter): Behave sanely when both partial_reg_dependency and
12097 partial_reg_stall are set.
12098 (K8 splitters): Enable for generic as well.
12099 * predicates.md (incdec_operand): Use TARGET_INCDEC
12100 (aligned_operand): Avoid memory mismatch stalls.
12101 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12102 * ppro.md: Enable for generic32
12103 * i386.c (generic64_cost, generic32_cost): New.
12104 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12105 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12106 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12107 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12108 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12109 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12110 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12111 x86_accumulate_outgoing_args, x86_prologue_using_move,
12112 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12113 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12114 Enable for generic.
12115 (x86_use_incdec, x86_pad_returns): New.
12116 (override_options): Add generic32 and generic64, translate "generic"
12117 to generic32/generic64 and "i686" to "generic32", refuse
12118 "generic32"/"generic64" as arch target.
12119 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12120 (ix86_reorg): Honor PAD_RETURNS.
12122 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12124 * tree-pretty-print.c (dump_generic_node): Handle
12125 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12126 * cgraph.c (cgraph_expand_queue): Rename from
12127 cgraph_analyze_queue. Update all users.
12128 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12129 cgraph_expand_queue.
12130 (cgraph_expand_all_functions): Likewise.
12131 (cgraph_finalize_pending_functions): Remove. Update callers.
12133 * tree.h (OMP_DIRECTIVE_P): Define.
12134 (OMP_PARALLEL_FN): Define.
12135 (OMP_PARALLEL_DATA_ARG): Define.
12136 (OMP_SECTIONS_SECTIONS): Define.
12137 * tree-pass.h (pass_expand_omp): Declare.
12138 * omp-low.c (struct omp_region): Declare.
12139 (struct omp_context): Remove fields 'parallel_type',
12140 'parallel_start_ix' and 'parallel_start_additional_args'.
12142 (struct omp_for_data): Rename from struct expand_omp_for_data.
12143 (omp_regions): New static variable.
12144 (root_omp_region): New static variable.
12145 (find_omp_clause): Make static.
12146 (is_in_combined_parallel_ctx): Remove.
12147 (is_combined_parallel): New.
12148 (extract_omp_for_data): Move earlier in the file.
12149 (workshare_safe_to_combine_p): New.
12150 (get_ws_args_for): New.
12151 (determine_parallel_type): Move earlier in the file.
12152 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12154 (omp_copy_decl): Likewise.
12155 (create_omp_child_function): Likewise.
12156 (lookup_omp_region): New.
12157 (dump_omp_region): New.
12158 (debug_omp_region): New.
12159 (debug_all_omp_regions): New.
12160 (new_omp_region): New.
12161 (scan_omp_parallel): If parallel_nesting_level > 1, the
12162 directive is nested within another parallel directive.
12163 Set OMP_PARALLEL_FN.
12164 (scan_omp_for): Do not try to handle combined parallel+for
12166 Remove FIXME comment.
12167 (scan_omp_nested): Remove.
12168 (scan_omp_1): Do not call scan_omp_nested when
12169 parallel_nesting_level is > 1.
12170 Do not change the DECL_CONTEXT of local variables found.
12171 (lookup_decl_in_outer_ctx): New.
12172 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12173 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12174 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12175 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12176 If CTX is nested, lookup VAR in the outer context when
12177 building copy assignment.
12178 (lower_send_clauses): Rename from expand_send_clauses.
12179 If CTX is nested, lookup VAR in the outer context when
12180 building copy assignments.
12181 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12182 If CTX is nested, lookup VAR in the outer context when
12183 building copy assignments.
12184 (expand_parallel_call): Rename from build_parallel_call.
12185 Handle combined parallel+workshare cases.
12186 Re-implement to emit code into the CFG.
12188 (expand_omp_parallel): Re-implement to emit code into the CFG.
12189 Call move_sese_region_to_fn to outline the sub-graph
12190 containing the parallel region.
12191 (expand_omp_for_1): Remove.
12192 (expand_omp_for_generic): Re-implement to emit code into the
12194 (expand_omp_for_static_nochunk): Likewise.
12195 (expand_omp_for_static_chunk): Likewise.
12196 (expand_omp_for): Likewise.
12197 (expand_omp_sections): Likewise.
12198 (remove_exit_barriers): New.
12199 (expand_omp_synch): New.
12201 (build_omp_regions_1): New.
12202 (build_omp_regions): New.
12203 (execute_expand_omp): New.
12204 (gate_expand_omp): New.
12205 (pass_expand_omp): Define.
12206 (lower_omp_sections): Rename from expand_omp_sections.
12207 Set OMP_SECTIONS_SECTIONS.
12208 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12209 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12210 (lower_omp_single): Rename from expand_omp_simple.
12211 (lower_omp_master): Rename from expand_omp_master.
12212 (lower_omp_ordered): Rename from expand_omp_ordered.
12213 (lower_omp_critical): Rename from expand_omp_critical.
12214 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12215 (lower_omp_for): Re-implement.
12216 (lower_omp_parallel): Re-implement.
12217 (lower_regimplify): Rename from expand_regimplify.
12218 (lower_omp_1): Rename from expand_omp_1.
12219 If there are syntax errors in the program, replace every
12220 OpenMP directive with NOP.
12221 Call lower_omp_* instead of expand_omp_*.
12222 (lower_omp): Rename from expand_omp.
12224 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12225 * tree-gimple.h (enum omp_parallel_type): Remove.
12226 (gimple_boolify): Declare extern.
12227 (find_omp_clause, determine_parallel_type): Remove.
12229 * gimple-low.c (lower_omp_directive): New.
12230 (lower_stmt): Call it.
12231 (record_vars_into): Move from ...
12232 (record_vars): ... here.
12233 Call record_vars_into with current_function_decl.
12235 * gimplify.c (struct gimplify_ctx): Remove fields
12236 combined_pre_p and combined_ctxp. Update users.
12237 (get_formal_tmp_var): Add documentation.
12238 (gimple_boolify): Make extern.
12239 (gimplify_expr_in_ctx): Remove. Update callers.
12240 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12241 will always be a BIND_EXPR.
12242 (gimplify_expr): Handle OMP_RETURN_EXPR.
12243 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12244 (OMP_PARALLEL): Add 3 operands.
12245 (OMP_SECTIONS): Add 1 operand.
12246 (OMP_RETURN_EXPR): Define.
12248 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12249 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12250 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12251 creating a circular free list.
12252 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12254 * tree-flow.h (move_sese_region_to_fn): Declare.
12255 (record_vars_into): Declare.
12256 * tree-cfg.c (make_omp_sections_edges): New.
12257 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12258 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12259 OMP_SECTIONS and OMP_SECTION.
12260 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12261 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12262 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12263 (gather_blocks_in_sese_region): New.
12264 (struct move_stmt_d): Declare.
12265 (move_stmt_r): New.
12266 (move_block_to_fn): New.
12267 (move_sese_region_to_fn): New.
12269 * passes.c (init_optimization_passes): Schedule
12270 pass_expand_omp after pass_init_datastructures.
12272 * tree-ssa-operands.c (get_expr_operands): Handle
12273 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12274 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12276 2006-01-19 Jeff Law <law@redhat.com>
12278 * tree-vrp.c (extract_range_from_assert): Refine the result range
12279 if the variable referenced by the ASSERT_EXPR has a range and
12280 either the tentative result range or the previous range is a
12283 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12285 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12287 2006-01-19 Jan Hubicka <jh@suse.cz>
12289 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12291 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12293 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12294 (expand_compound_operation, expand_field_assignment): Fail if the
12295 bit lengths of an extract operation are out of range.
12296 (make_extraction): Compute wanted_inner_mode based on the position
12297 and length of the extraction. Make it extraction_mode for non-constant
12298 positions, and do not modify offset in that case. When generating a
12299 new MEM, use a mode that can hold the extraction while keeping correct
12300 alignment. Remove code that supported MEMs wrapped by USEs.
12301 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12303 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12305 * config/s390/s390.md ("Y", "y"): New mode attribute.
12306 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12307 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12308 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12309 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12310 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12311 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12312 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12313 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12314 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12315 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12316 "addsi3", "subsi3"): Insn patterns removed.
12317 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12318 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12319 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12320 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12321 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12322 "*sub<mode>3_cconly2"): New insn patterns.
12323 ("addsi3", "subsi3"): New expanders.
12325 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12327 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12328 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12329 existing STMT_VINFO_VECTYPE if available.
12330 (vect_mark_relevant): Add special handling for stmts that are
12331 marked as STMT_VINFO_IN_PATTERN_P.
12332 (vect_analyze_loop): Call vect_pattern_recog.
12333 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12334 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12336 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12337 (vect_recog_func_ptr): New function-pointer type.
12338 * tree-vect-patterns.c: New file.
12339 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12340 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12341 (vect_pattern_recog_1): New functions.
12342 (vect_pattern_recog_funcs): New array of function pointers.
12344 * tree-vectorizer.h (ternary_op): New enum value.
12345 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12346 declaration. Revised documentation. Removed redundant dump prints.
12347 Removed redundant argument. Added support for reduction patterns.
12348 (vectorizable_reduction): Added support for reduction patterns.
12349 (vect_transform_stmt): Added support for patterns.
12351 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12352 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12353 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12354 (expand_widen_pattern_expr): New function.
12355 (init_optabs): Initialize new optabs udot_prod_optab,
12357 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12358 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12359 (expand_widen_pattern_expr): New function declaration.
12360 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12362 * tree-inline.c (estimate_num_insns_1): Added cases for new
12363 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12364 * tree-pretty-print.c (dump_generic_node): Likewise.
12365 (op_prio): Likewise.
12366 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12367 * tree-ssa-operands.c (get_expr_operands): Added case for
12369 * tree-vect-patterns.c (widened_name_p): New function.
12370 (vect_recog_dot_prod_pattern): Added function implementation.
12371 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12372 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12373 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12374 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12376 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12377 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12378 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12379 (init_optabs): Initialize new optabs widen_ssum_optab,
12381 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12382 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12383 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12384 use instead of type of def.
12385 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12386 function implementation.
12387 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12388 widen_ssumv8hi): New.
12390 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12393 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12396 * c-decl.c (add_flexible_array_elts_to_size): New function.
12397 (finish_decl): Use it.
12399 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12401 * diagnostic.h: Include options.h.
12402 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12403 dependancies for diagnostic.h.
12404 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12406 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12408 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12409 (ssa_ro_call_cache_valid): Ditto.
12410 * tree-ssa-alias.c (sort_tags_by_id): New function.
12411 (init_transitive_clobber_worklist): Ditto.
12412 (add_to_worklist): Ditto.
12413 (mark_aliases_call_clobbered): Ditto.
12414 (compute_tag_properties): Ditto.
12415 (set_initial_properties): Ditto.
12416 (compute_call_clobbered): Ditto.
12417 (compute_may_aliases): Call compute_call_clobbered and grouping.
12418 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12419 (compute_flow_insensitive_aliasing): Grouping now happens in our
12421 (setup_pointers_and_addressables): Remove clobbering related code.
12422 (add_may_alias): Ditto.
12423 (replace_may_alias): Ditto.
12424 (get_nmt_for): Ditto.
12425 (create_global_var):
12426 (is_escape_site): Return an escape_type enumeration.
12427 * tree-flow-inline.h (is_call_clobbered): Global var does not
12428 imply call clobbered.
12429 (mark_call_clobbered): Take a reason for marking this. Remove
12430 marking of globalness, and cache invalidation.
12431 (clear_call_clobbered): Remove cache invalidation code.
12432 * tree-dfa.c (dump_variable): If details is on, dump the reason
12434 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12436 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12437 (struct var_ann_d): Ditto.
12438 (enum escape_type): New.
12439 (mark_call_clobbered): Adjust prototype.
12440 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12441 are never call clobbered.
12442 Record reasons for escaping.
12443 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12444 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12445 (ssa_ro_call_cache_valid): Ditto.
12446 (clobbered_v_may_defs): Ditto.
12447 (clobbered_vuses): Ditto.
12448 (ro_call_vuses): Ditto.
12449 (clobber_stats): New.
12450 (init_ssa_operands): Zero out clobber stats.
12451 (fini_ssa_operands): Print out clobber stats.
12452 (get_call_expr_operands): Pass callee fndecl to
12453 add_call_read_ops).
12454 (add_call_clobber_ops): Remove use of cache.
12455 Add use of PURE_CONST information.
12456 (add_call_read_ops): Remove use of cache.
12457 Add use of static not_read information.
12459 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12461 Introduce TLS descriptors for i386 and x86_64.
12462 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12463 (TARGET_ANY_GNU_TLS): New macro.
12464 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12465 (struct machine_function): Add tls_descriptor_call_expanded_p.
12466 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12467 (ix86_current_function_calls_tls_descriptor): Likewise.
12468 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12469 (override_options): Introduce gnu2 tls dialect.
12470 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12472 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12474 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12475 (ix86_init_machine_status): Initialize new field.
12476 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12477 (ix86_tls_module_base): New.
12478 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12479 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12480 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12481 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12482 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12483 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12484 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12485 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12486 * config/i386/predicates.md (tls_modbase_operand): New.
12487 (tp_or_register_operand): New.
12489 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12491 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12492 (look_for_address_of): Ditto.
12493 (ipa_init): Walk the function decls.
12494 (static_execute): Don't set readonly on FUNCTION_DECL's.
12496 2006-01-18 Roger Sayle <roger@eyesopen.com>
12498 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12499 for shifts where the source and destination registers are different.
12501 2006-01-18 Paul Brook <paul@codesourcery.com>
12503 Merge from csl-arm-branch.
12504 2005-03-14 Julian Brown <julian@codesourcery.com>
12505 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12506 (aeabi_llsl): Likewise.
12507 (ashrdi3): Likewise.
12508 (aeabi_lasr): Likewise.
12509 (lshrdi3): Likewise.
12510 (aeabi_llsr): Likewise.
12511 2005-03-10 Julian Brown <julian@codesourcery.com>
12512 * config.gcc: Disable shared libgcc for SymbianOS.
12513 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12515 2006-01-18 DJ Delorie <dj@redhat.com>
12517 * c-pragma.c (handle_pragma_diagnostic): New.
12518 (init_pragma): Register it.
12519 * doc/extend.texi: Document it.
12521 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12522 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12523 (diagnostic_context): Add classify_diagnostic[].
12524 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12525 as errors if they're overridden to DK_WARNING.
12526 (diagnostic_initialize): Initialize classify_diagnostic[].
12527 (diagnostic_set_kind_override): New.
12528 (diagnostic_report_diagnostic): Check for kind changes.
12529 * opts.c (common_handle_option): Take lang_mask. Update callers.
12530 Handle OPT_Werror_.
12531 * common.opt (Werror=): New.
12532 * doc/invoke.texi: Document -Werror=*
12534 2006-01-18 Jeff Law <law@redhat.com>
12536 * tree-vrp.c (test_for_singularity): Correct test for new
12537 min limit. Use operand_equal_p rather than pointer equality
12538 for testing if new min/max values are equal.
12540 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12541 using range information until after propagation and folding.
12543 2006-01-18 Richard Henderson <rth@redhat.com>
12544 Aldy Hernandez <aldyh@redhat.com>
12545 Jakub Jelinek <jakub@redhat.com>
12546 Diego Novillo <dnovillo@redhat.com>
12548 * omp-low.c: New file.
12549 * c-omp.c: New file.
12551 2006-01-18 Richard Henderson <rth@redhat.com>
12552 Jakub Jelinek <jakub@redhat.com>
12553 Diego Novillo <dnovillo@redhat.com>
12555 * doc/invoke.texi: Document -fopenmp.
12556 * tree-dump.h (debug_function): Declare.
12557 * hooks.c (hook_bool_tree_bool_false): New function.
12558 (hook_tree_tree_null): Remove.
12559 (hook_tree_tree_tree_null): New.
12560 * hooks.h: Update to match.
12561 * tree-pretty-print.c (debug_tree_chain): New.
12562 (print_generic_expr): Handle TDF_CHAIN.
12563 (dump_generic_node): Handle BLOCK.
12564 Do not abort with incomplete SWITCH_EXPRs.
12565 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12566 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12567 print space after directive name.
12568 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12569 Handle OMP_MASTER and OMP_ORDERED.
12570 Handle printing of OMP_BODY just in one place, goto
12571 dump_omp_body in the rest of OMP_* nodes that have
12573 Don't handle clause nodes here. Update omp statements to
12574 use dump_omp_clauses.
12575 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12576 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12577 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12578 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12579 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12580 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12581 Adjust output for GOMP_PARALLEL.
12582 (dump_omp_clauses): New.
12583 (print_declaration): Dump DECL_VALUE_EXPR.
12584 (op_symbol_1): Split out of op_symbol.
12585 (dumping_stmts): Remove. Update all users.
12586 * cgraph.c (cgraph_analyze_queue): New.
12587 (cgraph_add_new_function): New.
12588 * cgraph.h (cgraph_analyze_queue): Declare.
12589 (cgraph_add_new_function): Declare.
12590 (cgraph_lower_function): Remove.
12591 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12592 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12593 and TYPE_P nodes in its default clause.
12594 (empty_body_p): New.
12595 (tree_range_check_failed): New.
12596 (build5_stat): New.
12597 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12598 OMP_CLAUSE_REDUCTION_MERGE,
12599 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12600 OMP_CLAUSE_PRIVATE_DEBUG,
12601 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12602 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12603 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12604 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12605 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12606 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12607 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12608 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12609 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12610 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12611 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12612 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12613 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12614 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12615 (TREE_RANGE_CHECK): New.
12616 (empty_body_p): Declare.
12617 (enum omp_clause_default_kind): New.
12618 (build_string_literal): Declare.
12619 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12620 (build5_stat, build5): Declare.
12621 * tree-pass.h (TDF_CHAIN): Define.
12622 * tree-pass.h (PROP_gimple_lomp): Define.
12623 (pass_lower_omp): Declare.
12624 * diagnostic.h (debug_tree_chain): Declare.
12625 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12627 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12628 * builtins.c (build_string_literal): Make extern.
12629 * gcc.c (include_spec_function): New.
12630 (static_spec_functions): Add it.
12631 (main): Move load of libgomp.spec ...
12632 (LINK_COMMAND_SPEC): ... here.
12633 (link_gomp_spec): New.
12634 (static_specs): Include it.
12635 (LINK_COMMAND_SPEC): Add link_gomp.
12636 (GOMP_SELF_SPECS): New.
12637 (driver_self_specs): Include it.
12638 (switch_matches): Don't mark inline.
12639 (main): Load libgomp.spec.
12640 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12641 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12642 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12643 * tree-gimple.h (enum omp_parallel): Declare.
12644 (determine_parallel_type): Declare.
12645 (omp_firstprivatize_variable): Declare.
12646 (omp_reduction_init): Declare.
12647 (diagnose_omp_structured_block_errors): Declare.
12648 (struct walk_stmt_info): Add want_return_expr.
12649 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12650 (find_omp_clause): Declare.
12651 (insert_field_into_struct): Declare.
12652 (struct walk_stmt_info): Move from tree-nested.c
12653 (walk_stmts): Declare.
12654 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12656 * cgraphunit.c (cgraph_lower_function): Make static.
12657 (cgraph_finalize_pending_functions): New.
12658 (cgraph_finalize_function): Call it.
12659 (cgraph_finalize_compilation_unit): Likewise.
12660 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12661 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12662 (BT_FN_UINT_UINT): New.
12663 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12664 DEF_FUNCTION_TYPE_VAR_4): Document.
12665 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12666 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12667 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12668 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12669 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12670 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12671 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12672 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12673 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12674 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12675 into separate files.
12676 (DEF_GOMP_BUILTIN): New.
12677 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12678 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12679 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12680 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12681 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12682 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12683 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12684 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12685 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12686 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12687 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12688 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12689 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12690 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12691 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12692 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12693 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12694 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12695 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12696 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12697 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12698 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12699 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12700 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12701 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12702 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12703 * sync-builtins.def: New file, moved from builtins.def.
12704 * omp-builtins.def: New file, moved from builtins.def.
12705 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12706 * gimple-low.c (lower_function_body): Clear data.
12707 (lower_stmt): Do not handle COMPOUND_EXPR.
12708 Remove call to print_node_brief.
12709 * c-tree.h (c_finish_omp_clauses): New prototype.
12710 (C_DECL_THREADPRIVATE_P): Define.
12711 (lookup_name_no_remap, c_omp_remap_private): Remove
12712 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12713 (check_for_loop_decls): Update decl.
12714 (lookup_name_no_remap, c_omp_remap_private): Declare.
12715 (build_indirect_ref, build_modify_expr, pushdecl,
12716 pushdecl_top_level): Move to c-common.h.
12717 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12718 before the switch, but just in the 2 places that need it.
12719 * c-decl.c (diagnose_mismatched_decls): Do not check for
12720 mismatched thread-local attributes when OLDDECL is marked
12721 threadprivate and NEWDECL has no thread-local attributes.
12722 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12723 (c_gimple_diagnostics_recursively): Rename from
12724 c_warn_unused_result_recursively. Invoke
12725 diagnose_omp_structured_block_errors.
12726 (check_for_loop_decls): Return a singular decl found.
12727 * langhooks.c (lhd_omp_predetermined_sharing): Return
12728 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12729 (lhd_omp_firstprivatize_type_sizes): New.
12730 (lhd_omp_assignment): New.
12731 (lhd_omp_predetermined_sharing): New.
12732 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12733 (struct lang_hooks_for_types): Add
12734 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12735 omp_predetermined_sharing, omp_disregard_value_expr,
12736 omp_private_debug_clause, omp_clause_default_ctor,
12737 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12738 (c_finish_omp_clauses): New.
12739 (c_finish_bc_stmt): Diagnose break within omp for.
12740 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12741 (build_unary_op): Return error_mark after reporting
12743 (build_modify_expr): Likewise.
12744 * gimplify.c: Include optabs.h and pointer-set.h.
12745 (enum gimplify_omp_var_data): Declare.
12746 (struct gimplify_omp_ctx): Declare.
12747 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12749 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12750 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12751 (splay_tree_compare_decl_uid): New.
12752 (new_omp_context): New.
12753 (delete_omp_context): New.
12754 (gimple_add_tmp_var): Call omp_add_variable.
12755 (gimplify_bind_expr): Likewise.
12756 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12757 true, disregard DECL_VALUE_EXPR on the decl if any.
12758 (gimplify_expr_in_ctx): New.
12759 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12760 omp_add_variable, omp_notice_variable, omp_is_private
12761 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12762 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12763 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12764 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12765 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12766 gimplify_omp_atomic): New.
12767 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12768 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12769 OMP_CRITICAL and OMP_ATOMIC.
12770 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12771 * c-pragma.h (enum pragma_kind): Add
12772 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12773 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12774 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12775 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12776 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12777 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12778 PRAGMA_OMP_THREADPRIVATE.
12779 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12780 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12781 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12782 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12783 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12784 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12785 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12786 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12787 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12788 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12789 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12790 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12791 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12793 (struct nesting_info): Add field_map,
12794 suppress_expansion, debug_var_chain.
12795 (create_nesting_tree): Initialize them.
12796 (lookup_field_for_decl): Use field_map.
12797 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12798 (convert_local_omp_clauses): New.
12799 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12800 (walk_body): Split out of walk_function.
12801 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12802 (convert_nonlocal_reference): Handle omp statements.
12803 (convert_local_reference): Likewise.
12804 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12805 (unnest_nesting_tree): New.
12806 (lower_nested_functions): Call it.
12807 (insert_field_into_struct): Make extern.
12808 (struct walk_stmt_info): Move to tree-gimple.h.
12809 (walk_stmts): Make extern.
12810 * omp-builtins.def: New file.
12811 * tree-iterator.c (expr_only): Clarify comment.
12812 * c-common.h (pushdecl_top_level, pushdecl,
12813 build_modify_expr, build_indirect_ref,
12814 c_finish_omp_master, c_finish_omp_critical,
12815 c_finish_omp_ordered, c_finish_omp_barrier,
12816 c_finish_omp_atomic, c_finish_omp_flush,
12817 c_finish_omp_for, c_split_parallel_clauses,
12818 omp_clause_default_kind, c_omp_sharing_predetermined,
12819 c_omp_remap_decl): Declare.
12820 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12821 (OBJS-common): Add omp-low.o.
12822 (c-omp.o, omp-low.o): Add.
12823 (gimplify.o): Add dependency on $(OPTABS_H).
12824 (GTFILES): Add omp-low.c.
12825 (gt-stringpool.h): Add.
12826 * tree-cfg.c (set_bb_for_stmt): Do not update the
12827 block-to-labels map if we are currently expanding to RTL.
12828 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12830 Handle IDENTIFIER_NODE.
12831 (tree_verify_flow_info): Do not ICE when emitting error
12832 messages about invalid labels.
12833 (dump_function_to_file): Reset CFUN before emitting the body
12835 (debug_function): New.
12836 * passes.c (init_optimization_passes): Schedule
12838 * langhooks-def.h (lhd_omp_predetermined_sharing,
12839 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12841 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12842 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12843 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12844 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12845 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12846 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12847 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12848 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12849 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12850 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12851 (LANG_HOOK_DECLS): Use them.
12853 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12854 Richard Henderson <rth@redhat.com>
12855 Jakub Jelinek <jakub@redhat.com>
12856 Diego Novillo <dnovillo@redhat.com>
12858 * c-parser.c (pragma_omp_clause): Define.
12859 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12860 (c_parser_compound_statement): Likewise.
12861 (c_parser_statement): Likewise.
12862 (c_parser_pragma): Handle omp pragmas.
12863 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12864 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12865 (c_parser_omp_clause_name, check_no_duplicate_clause,
12866 c_parser_omp_variable_list,
12867 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12868 c_parser_omp_clause_copyprivate,
12869 c_parser_omp_clause_default,
12870 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12871 c_parser_omp_clause_lastprivate,
12872 c_parser_omp_clause_nowait,
12873 c_parser_omp_clause_num_threads,
12874 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12875 c_parser_omp_clause_reduction,
12876 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12877 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12878 c_parser_omp_atomic, c_parser_omp_barrier,
12879 c_parser_omp_critical, c_parser_omp_flush,
12880 c_parser_omp_for_loop, c_parser_omp_for,
12881 c_parser_omp_master, c_parser_omp_ordered,
12882 c_parser_omp_sections_scope, c_parser_omp_sections,
12883 c_parser_omp_parallel, c_parser_omp_single,
12884 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12885 * c-pragma.c (init_pragma): Do omp pragma registration here.
12886 * c.opt (fopenmp): New flag.
12888 2006-01-18 Eric Christopher <echristo@apple.com>
12890 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12891 * config/darwin.h (GOMP_SELF_SPECS): Define.
12893 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12895 * rtl.h: Remove the prototype for reg_alloc.
12897 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12900 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12901 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12902 sjlj and dwarf2 exception handling.
12903 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12904 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12905 * pa/pa.c (function_value): Treat complex and vector types as
12907 (function_arg): Likewise. Only pass scalar floats in the floating
12908 point argument registers.
12909 * pa/t-slibgcc-dwarf-ver: New file.
12910 * pa/t-slibgcc-sjlj-ver: New file.
12911 * pa/t-slibgcc-elf-ver: Delete file.
12913 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12915 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12916 unlikely_test_section_p test.
12918 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12920 * mode-switching.c (optimize_mode_switching): Make it static.
12921 * basic-block.h: Remove the prototype for
12922 optimize_mode_switching.
12924 * modulo-sched.c (sms_schedule): Make it static.
12925 * rtl.h: Remove the prototype for sms_schedule.
12927 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12928 * rtl.h: Remove the prototype for gcse_after_reload_main.
12930 * reg-stack.c (reg_to_stack): Make it static.
12931 * rtl.h: Remove the prototype for reg_to_stack.
12933 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12935 * rtl.h: Remove the prototypes for regrename_optimize and
12936 copyprop_hardreg_forward.
12938 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12940 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12941 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12942 Test against the appropriate null constant for the mode.
12943 If 'fixup_overlap' is true, swap the operands if they overlap.
12944 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12945 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12946 alpha_split_tmode_pair and adjust for above change.
12947 * config/alpha/alpha.md (movtf_internal): Adjust call to
12948 alpha_split_tfmode_pair and rely on it to swap the operands.
12949 (movti_internal): New insn and post-reload splitter.
12950 (movti): New expander.
12952 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12954 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12957 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12959 * rtlanal.c (global_reg_mentioned_p_1,
12960 global_reg_mentioned_p): Remove.
12961 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12963 * flow.c (initialize_uninitialized_subregs): Make it static.
12964 * rtl.h: Remove the prototype for
12965 initialize_uninitialized_subregs.
12967 * function.c (instantiate_virtual_regs): Make it static.
12968 * function.h: Remove the prototype for
12969 instantiate_virtual_regs.
12971 * regmove.c (regmove_optimize, combine_stack_adjustments):
12973 * rtl.h: Remove the prototypes for regmove_optimize and
12974 combine_stack_adjustments.
12976 2006-01-17 Roger Sayle <roger@eyesopen.com>
12978 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12979 (size_cost): Encode costs in bytes so that a reg-reg addition is
12980 equivalent to COSTS_N_INSNS(1).
12981 (override_options): Use the size_cost.branch_cost as the default
12982 ix86_branch_cost when optimizing for size.
12984 2006-01-18 Ben Elliston <bje@au.ibm.com>
12986 * Makefile.in (D32PBIT_FUNCS): New.
12987 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12988 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12989 D64PBIT_FUNCS and D128PBIT_FUNCS.
12990 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12991 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12993 (decnumber_dep): Define.
12994 * doc/libgcc.texi (Decimal float library routines): New node.
12995 * config/dfp-bit.h, config/dfp-bit.c: New files.
12997 2006-01-18 Ben Elliston <bje@au.ibm.com>
12999 * expr.c (emit_move_change_mode): Always adjust addresses, not
13000 just during reload. Copy replacements only during reload.
13001 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13002 emit_move_via_integer.
13004 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13006 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13007 instead of $(srcdir) and ${srcdir}.
13009 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13012 PR middle-end/11135
13013 * arm.h (struct machine_function): Add pic_reg.
13014 * arm.c (arm_pic_register): Make unsigned.
13015 (arm_override_options): Only set arm_pic_register if
13016 TARGET_SINGLE_PIC_BASE.
13017 (use_return_insn): Only test for a pic register if it is fixed.
13018 (arm_compute_save_reg0_reg12_mask): Likewise.
13019 (thumb_compute_save_reg_mask): Likewise.
13020 (legitimate_pic_operand): Factor out some known invariants.
13021 (legitimize_pic_address): If we don't have a fixed pic register,
13022 then set up a pseudo in the function entry sequence. Handle the
13023 pic base being in a pseudo.
13024 (arm_load_pic_register): Handle the pic register being in a pseudo.
13025 (arm_expand_prologue): Only set up the pic register if it is fixed.
13026 (thumb_expand_prologue): Likewise.
13027 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13028 (pic_load_addr_based_insn): Likewise.
13029 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13032 2006-01-18 Ben Elliston <bje@au.ibm.com>
13034 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13035 decimal float modes for all floating point registers.
13037 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13038 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13040 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13043 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13044 even when the pointer is not NULL.
13046 2006-01-16 Ian Lance Taylor <ian@airs.com>
13048 * common.opt (ftoplevel-reorder): New option.
13049 * cgraph.c (cgraph_asm_nodes): New global variable.
13050 (cgraph_asm_last_node): New static variable.
13051 (cgraph_order): New global variable.
13052 (cgraph_create_node): Set new order field.
13053 (cgraph_varpool_node): Likewise.
13054 (decide_is_variable_needed): Return true if not
13055 flag_toplevel_reorder.
13056 (cgraph_add_asm_node): New function.
13057 * cgraph.h (struct cgraph_node): Add order field.
13058 (struct cgraph_varpool_node): Add order field.
13059 (struct cgraph_asm_node): Define.
13060 (cgraph_asm_nodes, cgraph_order): Declare.
13061 (cgraph_add_asm_node): Declare.
13062 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13064 (cgraph_varpool_assemble_pending_decls): Call it.
13065 (cgraph_output_pending_asms): New static function.
13066 (cgraph_finalize_compilation_unit): Call it.
13067 (struct cgraph_order_sort): Define.
13068 (cgraph_output_in_order): New static function.
13069 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13070 !flag_toplevel_reorder case.
13071 * c-parser.c: Include "cgraph.h".
13072 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13074 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13075 than -fno-unit-at-a-time.
13076 * doc/invoke.texi (Option Summary): Mention
13077 -fno-toplevel-reorder.
13078 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13079 -funit-at-a-time documentation.
13081 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13082 Kazu Hirata <kazu@codesourcery.com>
13084 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13086 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13088 * Makefile.in (FUNCTION_H): New. Use it instead of
13089 function.h throughout the file.
13090 * function.h: Include tree.h.
13092 2006-01-17 Ben Elliston <bje@au.ibm.com>
13094 * recog.c: Separate some functions with whitespace.
13096 2006-01-16 Richard Henderson <rth@redhat.com>
13098 Merge from gomp branch:
13099 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13100 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13101 and rename from struct inline_data. Rename callee* to dst*;
13102 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13103 transform_new_cfg, transform_return_to_modify, and
13104 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13106 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13107 (copy_decl_for_dup): Remove.
13108 * tree-inline.c (struct inline_data): Move to header.
13109 (insert_decl_map): Export.
13110 (remap_decl): Update for member name changes. Use copy_decl hook.
13111 Allow for replacement to be a non-decl. Remove dead code.
13112 (remap_type_1): Check for existing mapping.
13113 (remap_type): Export.
13114 (remap_decls): Update for member name changes.
13115 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13116 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13117 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13118 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13119 (tree_function_versioning, build_duplicate_type): Likewise.
13120 (copy_body_r): Likewise. Export.
13121 (copy_decl_for_dup): Split into ...
13122 (copy_decl_for_dup_finish, copy_decl_to_var,
13123 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13124 (replace_ref_tree, inlining_p): Remove.
13126 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13128 * ifcvt.c (if_convert): Make it static.
13129 * rtl.h: Remove the prototype for if_convert.
13131 * local-alloc.c (local_alloc): Make it static.
13132 * rtl.h: Remove the prototype for local_alloc.
13134 * loop.c (loop_optimize): Make it static.
13135 * cfgloop.h: Remove the prototype for loop_optimize.
13138 2006-01-16 DJ Delorie <dj@redhat.com>
13140 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13143 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13145 * pa.md: Disparage copies between general and floating-point registers
13146 in 32-bit move patterns.
13148 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13151 * Makefile.in (check-%): Depend on site.exp instead of
13152 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13155 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13157 * global.c (global_alloc): Make it static.
13158 * rtl.h: Remove the prototype for global_alloc.
13160 2006-01-16 Richard Guenther <rguenther@suse.de>
13162 * tree-ssa-alias.c (struct used_part): Add write_only field.
13163 (get_or_create_used_part_for): Initialize it to true.
13164 (create_overlap_variables_for): Don't create structure variables
13165 for structures that only are written to.
13166 (find_used_portions): Handle MODIFY_EXPR to track whether a
13167 structure is only written to.
13169 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13171 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13173 * basic-block.h: Remove the prototype for
13174 partition_hot_cold_basic_blocks.
13176 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13178 * cppspec.c (lang_specific_spec_functions): Remove.
13179 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13180 * gcc.h (lang_specific_spec_functions): Remove.
13181 * gccspec.c (lang_specific_spec_functions): Remove.
13183 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13185 * combine.c (record_value_for_reg): Invalidate registers
13187 (record_dead_and_set_regs_1): Likewise, by passing them to
13188 record_value_for_reg.
13189 (record_dead_and_set_regs): Invalidate stores made by a
13190 call. We do not combine across a call, but we still
13191 relied on equivalences.
13193 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13195 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13196 vrp_int_const_binop returning non-constant nodes.
13198 2006-01-16 Paul Brook <paul@codesourcery.com>
13200 * config/m68k/m68k.c (output_move_const_into_data_reg):
13201 Output correct mnemonic for mvz and mvs.
13203 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13205 * rtl-factoring.c: Add sequence abstraction algorithm.
13206 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13207 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13209 (block_has_preserve_label): New function.
13210 * common.opt: Register new pass.
13211 * Makefile.in: Ditto.
13213 * timevar.def: Ditto.
13214 * tree-pass.h: Ditto.
13215 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13216 * rtl.h (make_jump_insn_raw): Add forward decl.
13217 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13219 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13220 Roger Sayle <roger@eyesopen.com>
13222 * fold-const.c (fold_minmax): New static function.
13223 (fold_binary) <MIN_EXPR>: Call it.
13224 <MAX_EXPR>: Likewise.
13225 * stor-layout.c (place_field): Use DECL_SIZE consistently
13226 in the computation of the new record size.
13228 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13230 * cse.c (cse_condition_code_reg): Make it static.
13231 * rtl.h: Remove the prototype for cse_condition_code_reg.
13233 * combine.c (combine_instructions): Make it static.
13234 * rtl.h: Remove the prototype for combine_instructions.
13236 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13239 * tree.c (get_file_function_name_long): Concatenate the first global
13240 object name with a string derived from the input filename of the object
13243 2006-01-16 Ben Elliston <bje@au.ibm.com>
13245 * config/i386/winnt-stubs.c: Update FSF address.
13246 * config/xtensa/ieee754-df.S: Ditto.
13247 * config/xtensa/ieee754-sf.S: Ditto.
13249 2006-01-14 Ian Lance Taylor <ian@airs.com>
13251 * ifcvt.c (noce_init_if_info): New static function, broken out of
13252 noce_process_if_block.
13253 (noce_process_if_block): Call noce_init_if_info.
13254 (check_cond_move_block): New static function.
13255 (cond_move_process_if_block): New static function.
13256 (process_if_block): Call cond_move_process_if_block.
13258 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13260 * cselib.c (hash_table): Rename to cselib_hash_table.
13261 (cselib_clear_table, discard_useless_values,
13262 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13263 cselib_init, cselib_finish): Adjust uses of hash_table.
13265 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13267 PR tree-optimization/25485
13268 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13269 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13270 is known to be false and true, respectively.
13272 2006-01-14 Richard Guenther <rguenther@suse.de>
13274 PR tree-optimization/22548
13275 PR tree-optimization/22555
13276 PR tree-optimization/22501
13277 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13278 * params.def (salias-max-array-elements): New parameter.
13279 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13280 * doc/invoke.texi (salias-max-array-elements): Document.
13281 * tree-flow-inline.h (var_can_have_subvars): We also handle
13283 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13285 * tree-ssa-structalias.c (params.h): Include.
13286 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13287 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13288 (get_constraint_for): For ADDR_EXPR operating on something
13289 containing an ARRAY_REF, add all subvars to the solution.
13290 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13291 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13292 for creating MUST_DEFs.
13293 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13295 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13297 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13299 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13300 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13301 number_of_iterations_le): New functions.
13302 (number_of_iterations_special): Removed.
13303 (number_of_iterations_exit): Do not use number_of_iterations_special.
13304 * tree.c (unsigned_type_for): Always return integer type.
13306 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13307 Richard Guenther <rguenther@suse.de>
13309 PR rtl-optimization/24257
13310 * gcse.c (find_moveable_store): Only consider a store movable
13311 when the SET_SRC of the insn can be assigned to a register.
13313 2006-01-14 Ian Lance Taylor <ian@airs.com>
13315 * tree.c (tree_not_class_check_failed): New function.
13316 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13317 (tree_not_class_check_failed): Declare.
13319 2006-01-13 Ian Lance Taylor <ian@airs.com>
13321 * reload1.c (do_output_reload): Add assertion rejecting a
13324 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13326 * combine.c (struct reg_stat): Add new fields truncation_label and
13328 (record_value_for_reg): Reset truncated_to_mode.
13329 (record_truncated_value): New function.
13330 (check_promoted_subreg): Call it. Rename to check_conversions.
13331 (combine_instructions): Rename check_promoted_subreg to
13333 (reg_truncated_to_mode): New function.
13334 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13335 (gen_lowpart_or_truncate): New function.
13336 (force_to_mode): Use it instead of gen_lowpart.
13338 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13340 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13341 VAR is a tag, not its type tag.
13343 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13345 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13346 alternatives to match style of other entries.
13347 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13349 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13351 PR tree-optimization/25771
13352 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13355 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13358 * tree-inline.c (declare_return_variable): If the return variable
13359 was marked as a non gimple complex, set the return slot variable
13360 to be a non gimple comple variable.
13362 2006-01-13 Richard Guenther <rguenther@suse.de>
13364 * builtins.c (expand_builtin_sincos): New function.
13365 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13367 (expand_builtin): Expand sincos using expand_builtin_sincos.
13369 2006-01-12 DJ Delorie <dj@redhat.com>
13371 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13372 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13373 so that constant shifts can be split.
13374 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13375 (m32c_valid_pointer_mode): Make static.
13376 (shift_gen_func_for): New.
13377 (m32c_prepare_shift): Use it. Split large const shifts into
13379 * config/m32c/predicates.md (shiftcount_operand): Allow more
13381 (longshiftcount_operand): New.
13382 * doc/md.texi (Machine Constraints): Document In6.
13384 2006-01-13 Ben Elliston <bje@au.ibm.com>
13386 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13387 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13390 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13392 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13393 to try to avoid clobbering pieces of structures when we know
13394 something about the whole structure.
13395 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13397 2006-01-13 Ben Elliston <bje@au.ibm.com>
13399 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13400 return in memory, as this is no limitation is no longer present.
13402 2006-01-12 DJ Delorie <dj@redhat.com>
13404 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13405 mova with fb, and for fb+0 -> An.
13407 * config/m32c/mov.md (peephole2): Fix enabling logic.
13409 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13410 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13411 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13412 FINI_ARRAY_SECTION_ASM_OP): Define.
13414 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13416 (m32c_legitimize_reload_address): New logic to reload FB to An.
13417 (m32c_output_reg_push): Add newline.
13418 (m32c_output_reg_pop): Likewise.
13420 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13422 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13424 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13426 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13428 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13430 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13433 2006-01-11 Ben Elliston <bje@au.ibm.com>
13435 * rtlanal.c (find_reg_note): Assert insn is not null.
13437 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13439 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13442 2006-01-11 Jeff Law <law@redhat.com>
13444 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13446 (mark_threaded_blocks, register_jump_thread): New functions.
13447 (thread_through_all_blocks): Remove unwanted argument. No
13448 longer rely on e->aux to communicate thread target info.
13449 Call mark_threaded_blocks. Release the threaded_blocks
13450 bitmap and threaded_edges vector when complete.
13451 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13452 (threaded_blocks): Remove.
13453 (tree_ssa_dominator_optimize): Remove initialization and
13454 finalization of threaded_blocks. Simplify call to
13455 thread_through_all_blocks.
13456 (thread_across_edge): Call register_jump_thread rather than
13457 storing thread information into e->aux.
13458 (free_all_edge_infos): Simplify now that e->aux is no longer
13459 used to communicate with thread_through_all_blocks.
13460 * tree-flow.h (thread_through_all_blocks): Update prototype.
13461 (register_jump_thread): Prototype.
13463 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13465 * df-core.c (df_compact_blocks, df_bb_replace): Use
13466 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13468 2006-01-11 Richard Guenther <rguenther@suse.de>
13470 PR tree-optimization/25734
13471 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13472 stop propagation after successful propagation to the LHS.
13474 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13476 * basic-block.h (control_flow_graph): Change the type of
13477 x_basic_block_info to VEC(basic_block,gc) *.
13478 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13480 (SET_BASIC_BLOCK): New.
13481 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13482 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13483 * cfgbuild.c (find_basic_blocks): Likewise.
13484 * cfglayout.c (fixup_reorder_chain): Likewise.
13485 * cfgrtl.c (create_basic_block_structure,
13486 rtl_create_basic_block): Likewise.
13487 * ifcvt.c (find_if_case_1): Likewise.
13488 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13491 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13493 * Makefile.in: Removed rotted odf.c entry.
13495 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13498 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13499 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13500 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13501 output pattern modifier, not %e.
13502 * config/cris/cris.c (cris_op_str): Update comment about pattern
13504 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13505 before falling through into...
13506 <case 'E'>: Redefined from old 'e' case.
13508 2006-01-11 Jan Hubicka <jh@suse.cz>
13511 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13513 2006-01-11 Jan Hubicka <jh@suse.cz>
13515 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13516 * i386.c (x86_decompose_lea): Kill.
13517 (ix86_rtx_costs): Kill.
13519 2006-01-11 Jan Hubicka <jh@suse.cz>
13521 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13522 * cgraph.h (cgraph_node): Add inline_decl.
13523 (cgraph_insert_node_to_hashtable): Declare.
13524 (save_inline_function_body): Declare.
13525 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13527 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13528 (cgraph_function_versioning): Update call of tree_function_versioning.
13529 (save_inline_function_body): New function.
13530 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13531 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13532 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13533 (cgraph_default_inline_p): Likewise.
13534 (cgraph_decide_inlining_incrementally): Likewise.
13535 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13536 (copy_bb): Kill saving; do updating of clones.
13537 (copy_cfg_body): Kill saving.
13538 (initialize_inlined-parameters): Likewise.
13539 (expand_call_inline): Likewise.
13541 (tree_function_versioning): New parameter "update_clones".
13542 (inlining_p): Kill saving.
13543 * tree-inline.h (tree_function_versioning): Update prototype.
13544 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13547 2006-01-11 Ian Lance Taylor <ian@airs.com>
13549 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13550 Allow undoing set of machine mode.
13551 (do_SUBST): Use enums instead of is_int.
13552 (do_SUBST_MODE): New function.
13553 (SUBST_MODE): New macro.
13554 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13555 reg and trying to replace reg_regno_rtx with a new register.
13556 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13557 (simplify_set): Use SUBST_MODE.
13558 (distribute_notes): Remove code that tried to update reg notes
13559 for regno_reg_rtx changes.
13561 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13563 PR tree-optimization/23109
13564 PR tree-optimization/23948
13565 PR tree-optimization/24123
13567 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13568 * tree-cfg.c (single_noncomplex_succ): New.
13569 * tree-flow.h (single_noncomplex_succ): Declare it.
13570 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13571 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13572 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13573 insert_bb, register_division_in, insert_reciprocals,
13574 replace_reciprocal, free_bb): New.
13575 (execute_cse_reciprocals_1): Rewritten.
13576 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13577 Do not commit any edge insertion. Always compute dominators and
13578 create the allocation pool.
13579 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13580 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13581 * targhooks.c (default_min_divistions_for_recip_mul): New.
13582 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13583 * passes.c (init_optimization_passes): Run recip after tree loop
13585 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13587 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13588 Kenneth Zadeck <zadeck@naturalbridge.com>
13590 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13591 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13592 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13593 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13594 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13595 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13596 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13597 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13598 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13599 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13600 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13601 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13602 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13603 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13604 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13605 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13606 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13607 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13608 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13609 DF_SCAN_POST_ALLOC): New macros.
13610 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13611 df_free_bb_function, df_local_compute_function, df_init_function,
13612 df_dataflow_function, df_confluence_function_0,
13613 df_confluence_function_n, df_transfer_function,
13614 df_finalizer_function, df_free_function, df_dump_problem_function,
13615 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13616 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13617 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13618 df_urec_bb_info, ) New types.
13619 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13621 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13622 df_analyze_simple_change_some_blocks,
13623 df_analyze_simple_change_one_block, df_compact_blocks,
13624 df_bb_replace, df_bb_regno_last_use_find,
13625 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13626 df_insn_regno_def_p, df_find_def, df_find_use,
13627 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13628 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13629 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13630 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13631 debug_df_chain, df_get_dependent_problem, df_chain_create,
13632 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13633 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13634 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13635 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13636 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13637 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13638 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13639 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13640 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13641 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13642 df_reorganize_refs, df_set_state, df_hard_reg_init,
13643 df_read_modify_subreg_p) New public functions.
13644 * df-core.c: The core dataflow solver and glue routines for rtl
13646 (df_init, df_add_problem, df_set_blocks, df_finish,
13647 df_hybrid_search_forward, df_hybrid_search_backward,
13648 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13649 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13650 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13651 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13652 df_reg_defined, df_find_use, df_reg_used, df_dump,
13653 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13654 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13655 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13656 debug_df_useno, reset_df_after_reload): New functions.
13657 * df-scan.c: The scanning fuctions, once in df.c, completely
13658 rewritten so that they now fully model the functionality of
13659 register usage at the backend.
13660 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13661 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13662 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13663 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13664 df_get_artificial_defs, df_get_artificial_uses,
13665 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13666 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13667 df_refs_delete, df_reorganize_refs, df_set_state,
13668 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13669 df_def_record_1, df_defs_record, df_uses_record,
13670 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13671 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13672 df_record_exit_block_uses, df_hard_reg_init): New functions.
13674 * df-problems.c: Seven concrete dataflow problems that use the
13675 scanning in df-scan.c and are solved by the engine in df-core.c.
13676 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13677 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13678 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13679 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13680 df_ru_free_bb_info, df_ru_alloc,
13681 df_ru_bb_local_compute_process_def,
13682 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13683 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13684 df_ru_transfer_function, df_ru_free, df_ru_dump,
13685 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13686 df_rd_free_bb_info, df_rd_alloc,
13687 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13688 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13689 df_rd_transfer_function, df_rd_free, df_rd_dump,
13690 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13691 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13692 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13693 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13694 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13695 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13696 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13697 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13698 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13699 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13700 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13701 df_urec_mark_reg_use_for_earlyclobber,
13702 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13703 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13704 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13705 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13706 df_chain_create_bb_process_use, df_chain_create_bb,
13707 df_chain_finalize, df_chain_free, df_chains_dump,
13708 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13709 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13710 df_reg_lifetime): New functions.
13711 * df.c: Deleted file.
13712 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13713 consistent with new df api.
13714 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13715 rest_of_handle_sms): Ditto.
13716 * web.c (unionfind_union, union_defs, entry_register, web_main):
13718 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13719 invariant_expr_equal_p, find_defs, check_dependencies,
13720 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13721 free_inv_motion_data, move_loop_invariants): Ditto.
13722 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13723 Update dependencies.
13724 (odf.c): Added defective entry that was deleted later in day.
13725 * sched-deps.c (sched_analyze_1): Ditto.
13727 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13729 * tree-ssa-operands.c (get_expr_operands): Record addressable
13730 variables directly. Do not call add_stmt_operands for CONST_DECLs
13732 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13733 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13735 2006-01-11 Ben Elliston <bje@au.ibm.com>
13737 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13738 function returns true in the positive case.
13740 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13743 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13744 for SI, DI, SF and DF modes. Add alternatives to copy between
13745 general and floating point registers to the 32-bit patterns.
13746 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13747 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13748 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13749 generating 64-bit code.
13750 * config/pa/pa.c (output_move_double): Handle copies between general
13751 and floating registers.
13753 2006-01-10 Stuart Hastings <stuart@apple.com>
13755 * config/i386/i386.md (set_got): Update.
13756 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13757 (builtin_setjmp_receiver): Mach-O support.
13758 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13759 (GOT_SYMBOL_NAME): Define.
13760 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13761 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13762 * config/i386/i386.c (override_options): Revise for Darwin.
13763 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13764 support. (darwin_x86_file_end): New. (output_set_got): Add label
13765 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13766 * config/i386/i386-protos.h (output_set_got): Likewise.
13767 * config/darwin.c (machopic_legitimize_pic_address): Update
13770 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13772 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13773 when MODE isn't BLKmode.
13775 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13777 PR rtl-optimization/25367
13778 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13780 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13783 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13784 for a negative bound.
13786 2006-01-10 Richard Guenther <rguenther@suse.de>
13788 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13789 Never override with anything constraint.
13791 2006-01-10 Jan Beulich <jbeulich@novell.com>
13793 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13794 256 bits when optimize_size.
13796 2006-01-10 Jan Beulich <jbeulich@novell.com>
13798 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13800 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13801 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13804 2006-01-10 Ben Elliston <bje@au.ibm.com>
13806 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13808 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13809 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13810 (USE_FP_FOR_ARG): Reject decimal float modes.
13811 (function_arg_advance): Likewise.
13812 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13813 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13814 point types in AltiVec vectors.
13815 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13816 (rs6000_libcall_value): Likewise.
13818 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13820 * config/xtensa/ieee754-df.S: New file.
13821 * config/xtensa/ieee754-sf.S: New file.
13822 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13823 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13824 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13826 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13828 * config/sh/predicates.md (binary_float_operator,
13829 binary_logical_operator, commutative_float_operator,
13830 equality_comparison_operator, greater_comparison_operator,
13831 less_comparison_operator, logical_operator,
13832 noncommutative_float_operator, shift_operator,
13833 symbol_ref_operand, unary_float_operator): Remove redundant
13836 2006-01-09 Jeff Law <law@redhat.com>
13838 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13839 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13840 now unused arguments. Callers updated.
13841 (eliminate_redundant_computations): Remove now unused arguments,
13843 (local_fold): Remove, no longer used.
13844 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13846 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13847 (simplify_cond): New function.
13848 (forward_propagate_into_cond): Call simplify_cond.
13850 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13852 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13853 (*vec_extractv2di_1_sse): New.
13855 2006-01-09 Ben Elliston <bje@au.ibm.com>
13857 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13859 2006-01-08 Richard Guenther <rguenther@suse.de>
13861 * tree-ssa-structalias.c (get_constraint_for): Remove
13862 anyoffset argument.
13863 (get_constraint_for_component_ref): Likewise.
13864 (do_deref): Likewise.
13865 (get_constraint_for): Likewise.
13866 (do_structure_copy): Likewise.
13867 (handle_ptr_arith): Likewise.
13868 (find_func_aliases): Likewise. Remove unused need_anyoffset
13871 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13872 Kaz Kojima <kkojima@gcc.gnu.org>
13874 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13875 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13876 (EXTRA_CONSTRAINT_C16): Remove.
13877 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13878 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13879 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13880 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13881 constants of SHmedia. Handle nested constant expressions of
13883 (andcosts): Fix the costs for SHmedia constants.
13884 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13885 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13886 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13887 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13888 (movv4hi_i, movv2si_i): Likewise.
13889 (movsi_const): Adjust the second operand of ior so to match with
13890 the Csu constraint.
13891 (movdi_const, movdi_const_32bit): Likewise.
13892 (movdi_const_16bit+1): Don't sign-extend LOW.
13893 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13895 (*double_shori): Fix the split condition. Use GEN_INT instead
13896 of get_int_mode calls. Mask lower 16-bit of the argument of
13898 (sym2GOTPLT): Remove.
13899 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13901 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13902 instead of EXTRA_CONSTRAINT_C16.
13904 2006-01-07 Ian Lance Taylor <ian@airs.com>
13905 David Edelsohn <edelsohn@gnu.org>
13907 PR rtl-optimization/25662
13908 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13909 for constant operands instead of simplify_gen_binary.
13910 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13911 after trying simplify_binary_operation
13913 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13915 * tree.c (iterative_hash_expr): Hash decls based on UID.
13917 2006-01-06 Eric Christopher <echristo@apple.com>
13919 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13920 (TARGET_UNWIND_EMIT): Fix spelling.
13921 * target.h (gcc_target): Add except_table_label.
13922 * except.c (output_function_exception_table): Use.
13923 * varasm.c (default_emit_except_table_label): New.
13924 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13926 (asm_out): Add here.
13927 * output.h (default_emit_except_table_label): Prototype.
13928 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13929 * config/darwin.c (darwin_emit_except_table_label): Define.
13930 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13932 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13934 PR tree-optimization/18527
13935 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13936 number_of_iterations_special, number_of_iterations_exit):
13937 Move base and step of an iv to a single structure. Add
13938 no_overflow flag, and use it in # of iterations analysis.
13939 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13940 folded_casts argument.
13941 (simple_iv): Pass base and step in a structure. Set no_overflow
13943 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13944 Evaluate expensiveness of computing # of iterations instead of
13945 the final expression.
13946 * tree-scalar-evolution.h (affine_iv): New structure.
13947 (simple_iv): Declaration changed.
13948 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13949 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13950 find_givs_in_stmt): Changed due to simple_iv change.
13952 2006-01-06 Jeff Law <law@redhat.com>
13955 * tree-cfg.c (bsi_replace): Rename final argument from
13956 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13957 change (stmt -> orig_stmt).
13958 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13959 (bsi_remove): Add new argument. Remove EH information
13961 (verify_eh_throw_table_statements): New function.
13962 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13964 * tree-optimize.c (execute_free_cfg_annotations): Verify
13965 the EH throw statement table after removing annotations.
13966 * except.h (verify_eh_throw_table_statements): Prototype.
13967 * tree-flow.h (bsi_remove): Update prototype.
13968 * tree-vrp.c (remove_range_assertions): Add new argument to
13970 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13971 * tree-complex.c (expand_complex_div_wide): Likewise.
13972 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13973 * tree-tailcall.c (eliminate_tailcall): Likewise.
13974 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13975 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13976 * tree-nrv.c (tree_nrv): Likewise.
13977 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13978 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13979 (combine_blocks): Likewise.
13980 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13981 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13982 (cleanup_control_flow): Likewise.
13983 (remove_forwarder_block): Likewise.
13984 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13985 * tree-sra.c (sra_replace): Likewise.
13986 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13987 (forward_propagate_single_use_vars): Likewise.
13988 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13989 * tree-inline.c (expand_call_inline): Likewise.
13990 * tree-vect-transform.c (vect_transform_loop): Likewise.
13991 * tree-outof-ssa.c (rewrite_trees): Likewise.
13992 * tree-cfg.c (make_goto_expr_edges): Likewise.
13993 (cleanup_dead_labels): Likewise.
13994 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13995 (bsi_move_before, bsi_move_after): Likewise.
13996 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13997 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13999 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14002 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14004 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14005 on non gimple variables. Also add checks at the top for decls and
14007 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14009 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14010 and IMAGPART_EXPR for creating MUST_DEFs.
14011 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14012 and NAME_MEMORY_TAG separately from the DECLs.
14014 2006-01-06 Richard Guenther <rguenther@suse.de>
14016 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14017 annotation, if necessary.
14018 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14019 redundant calls to update_stmt.
14020 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14023 2006-01-05 Richard Henderson <rth@redhat.com>
14025 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14027 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14029 * c-typeck.c: Update copyright date.
14031 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14033 * c-typeck.c (build_c_cast): Always warn when casting
14034 from a pointer to an integer of different size, even if
14035 the node was constant.
14037 2006-01-05 Richard Guenther <rguenther@suse.de>
14039 PR tree-optimization/22555
14040 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14041 if one structure field is an array.
14042 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14043 operands even if we found a subvar, but ignore VOPs in this
14045 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14047 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14049 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14051 PR middle-end/24998
14052 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14054 2006-01-05 Richard Guenther <rguenther@suse.de>
14055 Diego Novillo <dnovillo@redhat.com>
14057 * tree-pass.h (TODO_remove_unused_locals): Define.
14058 * gimple-low.c (expand_var_p, remove_useless_vars,
14059 pass_remove_useless_vars): Remove. Update all users.
14060 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14061 (remove_unused_locals): New function.
14062 * tree-flow.h (remove_unused_locals): Declare.
14063 * passes.c (execute_todo): Call remove_unused_locals if
14064 TODO_remove_unused_locals is set.
14065 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14066 * tree-ssa-dce.c (pass_dce): Likewise.
14067 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14069 2006-01-05 Richard Guenther <rguenther@suse.de>
14071 * tree-flow.h (struct fieldoff): Decompose field to
14072 type, size and decl.
14073 * tree-ssa-alias.c (create_sft): Take type as parameter.
14074 (create_overlap_variables_for): Store type, size and decl
14075 in the fieldoff structure.
14076 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14077 of struct fieldoff.
14078 (push_fields_onto_fieldstack): Likewise.
14079 (create_variable_info_for): Likewise. Use offset for the
14080 SFT name if the decl is not available.
14082 2006-01-04 Paul Brook <paul@codesourcery.com>
14084 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14086 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14088 * lambda-code.c (can_put_in_inner_loop): Relax
14090 (can_put_after_inner_loop): New function.
14091 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14092 (perfect_nestify): Change to make copies and modify uses.
14094 2006-01-04 Richard Henderson <rth@redhat.com>
14096 Merge from gomp branch:
14097 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14098 via integer constant.
14099 (pragma_lex): Remove.
14100 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14101 rather than parsing it.
14102 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14103 handle_pragma_extern_prefix): Add %< %> quotes.
14104 (registered_pragmas): New.
14105 (c_register_pragma_1): New.
14106 (c_register_pragma): Use it.
14107 (c_register_pragma_with_expansion): Likewise.
14108 (c_invoke_pragma_handler): New.
14109 (init_pragma): Use cpp_register_deferred_pragma directly for
14111 * c-pragma.h (enum pragma_kind): New.
14112 (pragma_handler): New.
14113 (c_invoke_pragma_handler): Declare.
14114 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14116 * c-common.h (c_common_pch_pragma): Update decl.
14117 * Makefile.in (c-parser.o): Update dependencies.
14118 (GTFILES): Add c-pragma.h.
14119 * c-parser.c (struct c_token): Add pragma_kind.
14120 (struct c_parser): Add in_pragma.
14121 (c_lex_one_token): Always initialize keyword and pragma_kind.
14122 Extract data for CPP_PRAGMA.
14123 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14124 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14125 Don't allow CPP_PRAGMA_EOL if in_pragma.
14126 (c_parser_consume_pragma): New.
14127 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14128 (c_parser_skip_to_end_of_parameter): Likewise.
14129 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14130 (c_parser_skip_to_pragma_eol): New.
14131 (c_parser_external_declaration): Handle CPP_PRAGMA.
14132 (c_parser_compound_statement_nostart): Likewise.
14133 (c_parser_statement_after_labels): Likewise.
14134 (c_parser_pragma): New.
14135 (pragma_lex): Likewise.
14136 (c_parser_pragma_pch_preprocess): New.
14137 (c_parser_new): Merge into ...
14138 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14140 2006-01-04 Jeff Law <law@redhat.com>
14143 * tree-cfg.c (bsi_replace): Remove the original statement
14144 from the EH throw statement table.
14146 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14148 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14149 make the prototype extern "C" and add throw ().
14152 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14153 and pos non-negative and pos + len <= 32.
14154 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14155 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14156 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14159 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14160 as well as sizes not multiple of component size.
14163 * function.c (instantiate_expr): New function.
14164 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14165 walk its DECL_VALUE_EXPR with instantiate_expr.
14167 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14168 DW_OP_deref{,_size} if address isn't going to be added.
14170 2006-01-04 Ben Elliston <bje@au.ibm.com>
14172 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14173 * config/fp-bit.c: Likewise.
14175 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14177 * dominance.c: Add comment about why we use DFS numbering
14180 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14181 Richard Henderson <rth@redhat.com>
14183 Merge from gomp-branch:
14184 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14185 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14187 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14189 PR rtl-optimization/25578
14190 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14191 pass a parameter to simplify_shift_const if changing ASHIFTRT
14194 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14196 * builtins.c (get_builtin_sync_mem): New function.
14197 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14198 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14199 Call get_builtin_sync_mem to generate mem rtx.
14201 2006-01-03 Richard Guenther <rguenther@suse.de>
14204 * stmt.c (add_case_node): Make sure to clear overflow flags
14207 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14209 Merge from gomp-branch.
14210 * config/sparc/sync.md: New file.
14211 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14212 UNSPECV_LDSTUB): New constants.
14213 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14214 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14215 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14218 2006-01-03 Roger Sayle <roger@eyesopen.com>
14220 * combine.c (reg_subword_p): New predicate to test whether the
14221 destination of a set refers to a subword/piece of a register.
14222 (try_combine): Generalize the code to merge the setting of a
14223 pseudo to a constant followed by a set of a subword of that
14224 register to a constant.
14226 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14228 * basic-block.h (control_flow_graph): Change the type of
14229 x_label_to_block_map to VEC(basic_block,gc) *.
14230 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14231 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14233 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14234 VEC(basic_block,heap) *.
14235 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14236 ssa_prop_fini): Adjust the uses of cfg_blocks.
14238 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14240 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14242 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14243 hashing trees instead of a pointer hash.
14244 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14245 compare for MEM_EXPR.
14247 PR rtl-optimization/25130
14248 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14249 when comparing MEMs for GCSE
14251 2006-01-03 Ben Elliston <bje@au.ibm.com>
14253 * targhooks.h (default_decimal_float_supported_p): Declare.
14254 * targhooks.c (default_decimal_float_supported_p): Define.
14255 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14256 `default_decimal_float_supported_p'.
14257 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14259 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14261 * combine.c (apply_distributive_law <SUBREG>): Check
14262 TRULY_NOOP_TRUNCATION.
14264 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14266 * dwarf2out.c (have_switched_text_section): Delete.
14267 (have_multiple_function_sections): New.
14268 (have_location_lists): Make 'bool'.
14269 (add_AT_loc_list): Use 'true' not '1'.
14270 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14271 (output_loc_list): Use have_multiple_function_sections.
14272 (output_ranges): Likewise.
14273 (dwarf2out_begin_function): Set have_multiple_function_sections if
14275 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14276 Check function_section rather than DECL_SECTION_NAME.
14277 (dwarf2out_finish): Use have_multiple_function_sections.
14278 Don't clear have_location_lists.
14280 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14281 Jan Hubicka <jh@suse.cz>
14283 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14284 case of conditional jump jumping to the next instruction.
14285 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14286 cases of conditional jump jumping to the next instruction.
14288 2006-01-02 Jan Hubicka <jh@suse.cz>
14290 * i386.c (*_cost): Add COSTS_N_INSNS.
14291 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14293 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14296 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14298 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14300 * config/arm/arm.c (all_fpus): Fix comment typo.
14301 * config/darwin.c: Likewise.
14302 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14303 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14304 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14306 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14308 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14309 (rs6000_split_compare_and_swapqhi): New.
14310 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14311 (sync_compare_and_swapqhi_internal): New.
14312 * config/rs6000/rs6000-protos.h: Declare.