1 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4 instead of SF operands.
5 (*fop_df_comm_sse): Likewise.
6 (*fop_df_comm_i387): Likewise.
7 (*fop_df_1_mixed): Likewise.
8 (*fop_df_1_sse): Likewise.
10 2006-08-29 Nathan Sidwell <nathan@codesourcery.com>
11 J"orn Rennecke <joern.rennecke@st.com>
13 PR tree-optimization/17506
14 * tree-ssa.c (warn_uninit): If warning about a location outside of
15 the current function, note where the variable was declared.
17 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
19 PR tree-optimization/28411
20 * double-int.c (double_int_div): Use double_int_divmod.
21 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
22 double_int_mod, double_int_smod, double_int_umod): New functions.
23 * double-int.h (double_int_divmod, double_int_sdivmod,
24 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
26 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
28 (get_computation_aff, get_computation_cost_at): Handle double_int
29 return type of constant_multiple_of.
31 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
34 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
35 an implicit conversion.
37 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
39 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
41 2006-08-27 Roger Sayle <roger@eyesopen.com>
43 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
46 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
48 * config/i386/crtfastmath.c: Fix a comment typo.
50 2006-08-26 Roger Sayle <roger@eyesopen.com>
52 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
53 temporary visit flags on CASE_LABEL_EXPRs.
54 * c-common.c (match_case_to_enum): Add function comment. Avoid
55 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
56 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
57 CASE_HIGH_SEEN for enumerated types. If the switch expression is
58 a constant, only warn if that constant value isn't handled.
60 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
63 * input.h (restore_input_file_stack): Declare.
64 (INPUT_FILE_STACK_BITS): Define.
65 * toplev.c (fs_p, input_file_stack_history,
66 input_file_stack_restored, restore_input_file_stack): New.
67 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
68 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
69 (pop_srcloc): Don't free old state of stack.
71 2006-08-26 David Edelsohn <edelsohn@gnu.org>
74 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
75 (PowerPC Type Attributes): New.
77 2006-08-26 Bob Wilson <bob.wilson@acm.org>
79 * config/xtensa/xtensa.c (function_arg_boundary): New.
80 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
82 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
83 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
85 2006-08-26 Jakub Jelinek <jakub@redhat.com>
88 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
91 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
93 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
94 (verify_local_live_at_start): Likewise.
96 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
99 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
100 omp_add_variable): Treat sizes as variable whenever not
103 2006-08-26 Richard Guenther <rguenther@suse.de>
106 * fold-const.c (fold_binary): Fold temporary to correct
107 type before constructing new comparison.
109 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
112 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
113 variable again if DECL_SEEN_IN_BIND_EXPR_P.
115 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
118 * c-decl.c (start_function): Don't try to process prototype
119 information from old declaration that isn't a function.
121 2006-08-25 Jan Hubicka <jh@suse.cz>
124 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
126 2006-08-25 Alan Modra <amodra@bigpond.net.au>
129 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
132 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
134 PR tree-optimization/16876
135 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
136 exit if PARM doesn't match VALUE.
138 2006-08-25 Bob Wilson <bob.wilson@acm.org>
140 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
141 literal_prefix directive.
142 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
143 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
144 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
146 2006-08-25 David Edelsohn <edelsohn@gnu.org>
149 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
150 predicate to general_operand. Add 0->y and I->r alternatives.
152 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
154 * doc/tm.texi: Fix a typo.
155 * predict.c: Fix comment typos.
157 2006-08-25 Nick Clifton <nickc@redhat.com>
159 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
160 assertions of "cpu" and "machine".
162 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
165 * tree-ssa-operands.c (access_can_touch_variable): Don't say
166 the access through a base which has an alias set of 0 cannot
169 2006-08-24 Bill Wendling <wendling@apple.com>
171 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
173 2006-08-24 Jan Hubicka <jh@suse.cz>
175 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
177 2006-08-24 Jan Hubicka <jh@suse.cz>
180 * cgraph.c: Fix comments.
181 (cgraph_varpool_mark_needed_node): Mark only variables not already
183 * cgraphunit.c: Update comments; include gt-cgraphunit.h
184 (cgraph_varpool_assembled_nodes_queue): New static variable.
185 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
186 (cgraph_varpool_output_debug_info): New function.
187 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
188 * Makefile.in: Add gt-cgraphunit.h
190 2006-08-24 Jan Hubicka <jh@suse.cz>
192 * predict.c (probability_reliable_p): New predicate.
193 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
194 (predict_loops): Do not predict loop exit with less than 2%
196 * basic-block.h (edge_probability_reliable_p,
197 br_prob_note_reliable_p): Declare.
198 * ia64.h (ia64_print_operand): Do not disable on-chip branch
199 prediction when static predictor is not reliable.
200 * rs6000.c (output_cbranch): Likewise.
202 2006-08-23 Stuart Hastings <stuart@apple.com>
205 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
206 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
208 2006-08-21 Geoffrey Keating <geoffk@apple.com>
211 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
212 complex values, nor for generic vector values.
214 2006-08-22 Richard Guenther <rguenther@suse.de>
217 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
218 parameter. Convert arguments to arithmetic expression to the
220 (analyze_scalar_evolution_1): Adjust caller.
222 2006-08-22 Jan Hubicka <jh@suse.cz>
224 Patch by Paolo Bonzini
225 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
228 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
230 PR tree-optimization/28003
231 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
232 before grouping aliases.
234 2006-08-22 Roger Sayle <roger@eyesopen.com>
236 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
237 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
239 2006-08-21 Jason Merrill <jason@redhat.com>
242 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
243 wrapper. Loop to handle nested wrappers.
244 (gimplify_bind_expr): Remove temp parameter.
245 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
246 and STATEMENT_LIST on the rhs.
247 (gimplify_statement_list): Voidify the STATEMENT_LIST.
248 (gimplify_expr): Pass pre_p to gimplify_statement_list.
249 (gimplify_target_expr): Remove special BIND_EXPR handling.
251 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
253 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
256 2006-08-21 Olivier Hainque <hainque@adacore.com>
258 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
259 Arrange for the temporary captures of components overlapping the lhs
260 to happen before the lhs is possibly cleared.
262 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
264 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
265 necessary places to pass the correct "number of registers" values
268 2006-08-20 Jan Hubicka <jh@suse.cz>
270 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
271 (create_name_tags): Instead of quadratic checking use hashtable.
272 * bitmap.h: Include hashtab.h.
273 (bitmap_hash): Declare.
274 * bitmap.c (bitmap_hash): New function.
276 2006-08-20 Jan Hubicka <jh@suse.cz>
278 PR rtl-optimization/28071
279 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
281 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
282 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
283 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
284 cgraph_decide_inlining_incrementally): Update use of
285 cgraph_check_inline_limits.
286 * cgraph.c (edge_hash, edge_eq): New function.
287 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
288 cgraph_edge_remove_caller, cgraph_node_remove_callees,
289 cgraph_remove_node): Maintain call site hash.
290 * cgraph.h (struct cgraph_node): Add call_site_hash.
291 (cgraph_set_call_stmt): New function.
293 2006-08-20 Jan Hubicka <jh@suse.cz>
295 PR rtl-optimization/28071
296 * reload1.c (reg_has_output_reload): Turn into regset.
297 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
298 choose_reload_regs, emit_reload_insns): Update to new
299 reg_has_output_reload.
301 2006-08-20 Jan Hubicka <jh@suse.cz>
304 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
306 * cgraphunit.c (cgraph_analyze_function): Don't do so.
308 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
311 * tree.c (handle_dll_attribute): Return early if not a
312 var or function decl.
314 2006-08-18 Joseph Myers <joseph@codesourcery.com>
317 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
318 alignment of SPE vector types.
320 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
322 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
324 2006-08-17 Jakub Jelinek <jakub@redhat.com>
327 * cgraph.h (struct cgraph_node): Remove externally_visible
329 * cgraphunit.c (process_function_and_variable_attributes): Set
330 local.externally_visible rather than externally_visible.
333 * c-common.c (handle_externally_visible_attribute): First look
334 at TREE_CODE and only if it is function or var decl, check for
335 non-public objects. Don't warn for DECL_EXTERNAL.
336 * cgraphunit.c (process_function_and_variable_attributes): Warn
337 if externally_visible attribute is used on non-public object.
339 2006-08-17 Jan Hubicka <jh@suse.cz>
341 PR tree-optimization/27865
342 * reload1.c (forget_marked_reloads): New function.
343 (forget_old_reloads_1): When data are passed, just mark the registers
345 (reload_as_needed): Use the new mechanizm.
347 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
350 * reload.h (reg_equiv_alt_mem_list): New declaration.
351 * reload1.c (reg_equiv_alt_mem_list): New definition.
352 (reload): Initialize it and release it.
353 (delete_output_reload): Use it.
354 * reload.c (push_reg_equiv_alt_mem): New function.
355 (find_reloads_toplev): Call it.
356 (find_reloads_address, find_reloads_address_1): Likewise.
357 (find_reloads_subreg_address): Likewise.
359 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
361 PR rtl-optimization/28489
362 * sched-ebb.c (begin_schedule_ready): Create basic block
364 (advance_target_bb): Skip empty blocks.
365 * haifa-sched.c (bb_note): Make global.
366 * sched-int.h (bb_note): Add prototype.
368 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
370 PR tree-optimization/27865
371 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
373 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
374 fold_used_pointer, pointer_used_p): New functions.
375 (analyze_scalar_evolution_1): Use fold_used_pointer.
376 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
377 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
380 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
383 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
384 or the INTEGER_CST. Fail on a CALL_EXPR.
385 (fold_offsetof): Pass new argument to fold_offsetof_1.
386 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
387 operand into an INDIRECT_REF.
388 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
390 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
392 PR gcov/profile/26570
393 * value-prof.c (static_values): Removed.
394 (tree_find_values_to_profile): Do not set static_values.
395 (find_values_to_profile): Do not free static_values.
396 * profile.c (instrument_values): Do not free the values.
397 (branch_prob): Free the values.
399 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
401 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
403 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
406 * c-typeck.c (build_component_ref): Combine qualifiers of
407 structure or union and field.
409 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
411 PR rtl-optimization/28071
412 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
413 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
414 * tree-into-ssa.c (struct dom_dfsnum): New.
415 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
417 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
418 compute_global_livein.
419 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
420 in phi nodes in the correct blocks.
422 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
424 PR tree-optimization/28364
425 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
427 (fold_affine_expr): New function.
428 (may_eliminate_iv): Use fold_affine_expr.
430 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
433 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
436 2006-08-16 Mike Stump <mrs@apple.com>
438 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
439 * doc/cppopts.texi (-MD): Likewise.
441 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
444 * c-common.c (handle_weak_attribute): Ignore and warn if
445 not a FUNCTION_ or VAR_DECL.
447 2006-07-15 Mike Stump <mrs@apple.com>
450 * c-parser.c (c_parser_typeof_specifier): Don't use
451 c_finish_expr_stmt, open code desired semantics instead.
453 2006-08-15 Nick Clifton <nickc@redhat.com>
455 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
456 fragment to tmake_file only if threads are enabled.
457 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
458 * config/i386/t-gthr-win32: New file. ... here.
460 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
463 * c-parser.c (c_parser_compound_statement_nostart): Reset
464 parser->error after each statement.
466 2006-08-15 Jakub Jelinek <jakub@redhat.com>
469 * omp-low.c (lower_omp_parallel): Convert t to
470 receiver_decl's type.
471 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
472 source before comparison.
475 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
476 to itype in assignment to oldival2.
478 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
482 * c-typeck.c (build_compound_expr): If the second expression
483 is an error mark, then just return an error mark instead of
484 creating a COMPOUND_EXPR.
486 2006-07-14 Mike Stump <mrs@apple.com>
488 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
490 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
492 * c-decl.c, var-tracking.c: Fix comment typos.
494 2006-08-14 Richard Sandiford <richard@codesourcery.com>
496 PR rtl-optimization/28634
497 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
498 for floating-point modes unless flag_unsafe_math_optimizations.
500 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
501 Andrew Pinski <pinskia@physics.uc.edu>
504 * tree.c (build_array_type): Unify array types with
505 unspecified index_type.
506 * c-decl.c (grokdeclarator): Make sure we do not modify a
507 unified incomplete array type.
508 * c-typeck.c (store_init_value): Create distinct type before
509 filling in the index type in an initializer from a compound
512 * c-decl.c (grokdeclarator): Remove code where we copy the
515 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
517 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
518 into account for TODO_dump_cgraph.
519 (TODO_update_ssa_no_phi): Likewise.
520 (TODO_update_ssa_full_phi): Likewise.
521 (TODO_update_ssa_only_virtuals): Likewise.
522 (TODO_remove_unused_locals): Likewise.
523 (TODO_set_props): Likewise.
524 (TODO_update_stmt_usage): Likewise.
526 2006-08-13 Dirk Mueller <dmueller@suse.de>
528 * c-common.c (strict_aliasing_warning): Fix formatting.
530 2006-08-13 Matthias Klose <doko@debian.org>
532 * doc/invoke.texi: Fix spelling errors.
534 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
536 PR rtl-optimization/23454
537 * reorg.c (relax_delay_slots): Update comment.
539 2006-08-11 Richard Guenther <rguenther@suse.de>
542 * simplify-rtx.c (simplify_const_relational_operation):
543 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
546 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
548 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
549 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
551 2006-08-10 Paul Brook <paul@codesourcery.com>
553 * final.c (final_scan_insn): Clear current_insn_predicate before
554 outputting inline asm.
556 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
558 PR tree-optimization/26197
559 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
560 get_ref_base_and_extent and overlap_subvar to add only relevant
561 subvars as may-aliases.
562 (add_may_alias_for_new_tag): New function, factored out of
564 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
565 with additional argument.
566 * tree-flow.h (new_type_alias): Takes additional argument.
568 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
570 * gcov.c (no_data_file): New flag.
571 (read_count_file): Set it if data file not present. Assume counts
573 (output_lines): Don't name the data file, if there wasn't one.
575 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
577 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
578 (rs6000_generate_compare): Tweak comments.
579 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
581 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
583 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
584 (var_debug_decl): New function.
585 (var_reg_set): Follow debug decl link. Add location even if
586 reg is already known to hold some other variable.
587 (var_mem_set): Follow debug decl link.
588 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
589 decl link. Delete other known locations of the variable part
591 (var_reg_delete, var_mem_delete): Delete other known locations
592 of the variable part if requested.
593 (same_variable_part_p): New function.
594 (add_stores): Select MO_COPY when appropriate.
595 (vt_initialize): Handle it.
596 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
597 known locations for MO_SET and MO_CLOBBER.
598 (find_variable_location_part): New function.
599 (set_variable_part, delete_variable_part): Use it.
600 (clobber_variable_part): New function.
601 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
604 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
606 PR tree-optimization/26969
607 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
608 with an empty list of PHIs.
610 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
614 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
617 2006-08-06 Andreas Schwab <schwab@suse.de>
619 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
620 string. Whitespace and comment fixup.
622 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
625 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
629 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
632 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
634 2006-08-04 Jan Hubicka <jh@suse.cz>
638 * reload.c (push_reload): Patch out the mismatching instruction;
640 (find_reload): Bail out if the instruction was patched out.
642 2006-08-04 Jan Hubicka <jh@suse.cz>
644 PR tree-optimization/24888
645 * tree-inline.c (expand_call_inline): Do not re-record variables.
646 (declare_inline_vars): Add variable to unexpanded_var_list.
648 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
649 Roger Sayle <roger@eyesopen.com>
651 PR rtl-optimization/26244
652 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
653 inner_const are negative or greater than or equal to the bitsize of
654 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
655 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
656 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
657 CONST0_RTX (mode) when the new shift count is greater than or equal to
658 to the bitsize of the object being shifted and XEXP (y, 0) has no side
661 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
663 * tree-cfg.c: Fix a comment typo.
665 2006-08-03 Mark Mitchell <mark@codesourcery.com>
668 * varasm.c (output_constant): Give the front end another chance to
669 expand constants, after stripping NOPs.
671 2006-08-03 Jan Hubicka <jh@suse.cz>
673 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
676 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
678 PR tree-optimization/27770
679 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
680 declaration removed (moved to tree-flow.h).
681 (vect_can_force_dr_alignment_p): Likewise.
682 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
683 (moved from tree-vectorizer.h).
684 (vect_can_force_dr_alignment_p): Likewise.
685 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
686 from outside the vectorizer - in particular from cgraph stage.
687 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
688 the alignment of global arrays when -fsection-anchors is enabled.
689 * cgraphunit.c (cgraph_increase_alignment): New function.
690 (cgraph_optimize): Call cgraph_increase_alignment.
692 2006-08-03 David Edelsohn <edelsohn@gnu.org>
695 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
696 not reload a SPE symbol_ref into a lo_sum address.
698 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
701 * dwarf2out.c (prune_unused_types_prune): Move call to
702 prune_unused_types_update_strings to cover the parent DIE also.
704 2006-08-02 Jan Hubicka <jh@suse.cz>
706 PR gcov/profile/28480
707 * tree-cfg.c (change_bb_for_stmt): New function.
708 (tree_merge_blocks, tree_split_blocks): Use it.
710 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
716 * toplev.c (compile_file): Return early on errorcount or sorrycount.
717 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
718 (cgraph_optimize): Likewise.
720 2006-08-01 Stuart Hastings <stuart@apple.com>
722 * rtl.h (UINTVAL) New.
723 * config/rs6000/rs6000.c (SMALL_INT) Use it.
724 * testsuite/gcc.dg/20060801-1.c: New.
726 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
729 * c-typeck.c (build_external_type): Mark used enum types.
730 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
732 (gen_subprogram_die): Whitespace fix.
734 2006-08-01 Jan Hubicka <jh@suse.cz>
736 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
737 bitmap when not needed.
738 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
741 2006-08-01 Dirk Mueller <dmueller@suse.de>
743 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
745 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
747 * Makefile.in: Revert part of previous patch:
748 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
751 2006-07-30 Eric Christopher <echristo@apple.com>
754 * doc/extend.texi (i386 Variable Attributes): Add anchor.
755 (PowerPC Variable Attributes): New section.
757 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
759 PR target/28126 (partial fix)
760 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
762 2006-07-28 Jan Hubicka <jh@suse.cz>
764 PR rtl-optimization/28071
765 * cfgrtl.c (rtl_delete_block): Free regsets.
766 * flow.c (allocate_bb_life_data): Re-use regsets if available.
768 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
770 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
771 and variables used in dependencies.
773 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
775 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
776 %fs for -mcmodel=kernel.
777 (stack_tls_protect_test_di): Likewise.
779 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
781 * Makefile.in: Use mkinstalldirs.
783 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
786 * opts-common.c (prune_options): Skip joined switches.
788 2006-07-27 Jan Hubicka <jh@suse.cz>
790 PR rtl-optimization/28071
791 * cselib.c (cselib_process_insn): Don't remove useless values too
792 often for very large hashtables.
794 2006-07-27 Jan Hubicka <jh@suse.cz>
796 PR rtl-optimization/28071
797 * global.c (greg_obstack): New obstack.
798 (allocate_bb_info): Use it.
799 (free_bb_info): Likewise.
800 (modify_reg_pav): Likewise.
802 2006-07-27 Roger Sayle <roger@eyesopen.com>
804 * builtins.c (fold_fixed_mathfn): When long and long long are the
805 same size, canonicalize llceil*, llfloor*, llround* and llrint*
806 functions to their lceil*, lfloor*, lround* and lrint* forms.
808 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
811 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
813 (rev_branch_insn): Likewise.
815 2006-07-27 Jan Hubicka <jh@suse.cz>
817 PR rtl-optimization/28071
818 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
819 (reg_set_in_bb, max_reg_computed): New static variables.
820 (regmove_optimize): Free the new array.
821 (fixup_match_1): Update call of reg_is_remote_constant_p.
823 2006-07-26 Jan Hubicka <jh@suse.cz>
825 PR tree-optimization/27882
826 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
828 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
830 (cgraph_analyze_compilation_unit): Likewise.
831 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
832 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
833 (cgraph_early_inlinine): Make order garbage collected.
834 * Makefile.in (gt-ipa-inline): New garbagecollected file.
836 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
838 * dbxout.c (output_types_sort): Add a comment.
839 (output_used_types): Free the VEC.
841 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
843 * function.c (reorder_fix_fragments): Delete.
844 (reorder_blocks): Don't call it.
845 (reorder_blocks_1): Put all subblocks under the origin block.
847 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
849 PR rtl-optimization/27907
850 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
853 2006-07-25 Roger Sayle <roger@eyesopen.com>
856 * convert.c (convert_to_integer): When transforming (T)foo(x) into
857 bar(x) check that bar's result type can represent all the values of T.
859 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
861 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
863 2006-07-25 Nick Clifton <nickc@redhat.com>
865 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
867 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
868 (ggc_pch_count_object): Likewise.
869 (ggc_pch_alloc_object): Likewise.
870 (ggc_pch_write_object): Likewise.
871 (init_ggc): Do not attempt to initialize entries in the
872 size_lookup[] array for objects whose size is greater than than
873 the length of the array.
875 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
877 * dbxout.c (output_used_types_helper): Push queued types
879 (output_types_sort): New.
880 (output_used_types): Collect used types on a VEC and sort them
883 2006-07-24 Richard Guenther <rguenther@suse.de>
886 * cgraph.c (cgraph_remove_node): Do not check if dumps
888 * cgraphunit.c (cgraph_optimize): Likewise.
890 2006-07-24 Jan Hubicka <jh@suse.cz>
892 PR rtl-optimization/28071
893 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
894 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
895 splitting before first stmt.
897 2006-07-24 Jan Hubicka <jh@suse.cz>
899 PR rtl-optimization/28071
900 * ipa-inline.c (update_caller_keys): Remove edges that
901 are no longer inline candidates.
903 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
906 * dbxout.c (output_used_types_helper, output_used_types): New.
907 (dbxout_symbol): Call output_used_types.
909 2006-07-23 Jan Hubicka <jh@suse.cz>
913 * cgraph.c (cgraph_varpool_nodes): Export.
914 (decide_is_variable_needed): Ignored "used" attribute in
916 * cgraph.h (cgraph_varpool_nodes): Declare.
917 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
920 2006-07-23 Roger Sayle <roger@eyesopen.com>
923 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
924 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
925 the __gthrw form of thr_keycreate.
926 (__gthread_key_delete): Silence the unused argument warning.
928 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
931 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
932 Cache the last found '\0' marker to avoid quadratic behavior.
934 2006-07-23 Jan Hubicka <jh@suse.cz>
936 * i386.md (subsi_3_zext): Fix output template.
938 2006-07-21 Mike Stump <mrs@apple.com>
940 * doc/invoke.texi (C++ Dialect Options): Note that
941 -fvisibility-inlines-hidden doesn't affect explicitly
942 instantiationed inline methods.
944 2006-07-20 Roger Sayle <roger@eyesopen.com>
946 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
947 if the target assembler is GNU binutils' gas.
948 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
949 whether to pass GNU gas or native as command line options.
951 2006-07-20 Jason Merrill <jason@redhat.com>
953 * tree.c (remove_attribute): New fn.
954 * tree.h: Declare it.
956 2006-07-20 Paul Brook <paul@codesourcery.com>
959 * cse.c (cse_insn): Add destination addresses to hash table. Check if
960 they are invalidated by this instruction.
962 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
965 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
967 2006-07-20 Eric Christopher <echristo@apple.com>
970 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
972 2006-07-19 Eric Christopher <echristo@apple.com>
974 * config/t-slibgcc-darwin (stmp-lipo): Remove.
975 Rewrite dependencies for libgcc_s.1.dylib.
977 2006-07-19 Jakub Jelinek <jakub@redhat.com>
979 * except.c (duplicate_eh_regions_1): Clear next_peer.
981 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
983 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
984 -mlongcall does not guarantee all calls will be long.
985 * doc/extend.texi (long_call/short_call): Document that longcall
986 does not guarantee a long call will be used.
987 (longcall/shortcall): Likewise.
989 2006-07-18 Roger Sayle <roger@eyesopen.com>
992 * expmed.c (expand_shift): Additionally check that the shift_cost
993 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
994 before implementing a LSHIFT_EXPR as a sequence of additions.
995 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
996 middle-end that DImode shifts need to be synthesized by expand.
998 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1001 * tree-ssa-operands.c (access_can_touch_variable): Update
1003 Return true if ALIAS is .GLOBAL_VAR.
1005 2006-07-18 David Daney <ddaney@avtrex.com>
1007 * gcc.c (display_help): Fix typo in help text.
1009 2006-07-18 Olivier Hainque <hainque@adacore.com>
1011 * tree.h (categorize_ctor_elements): Adjust prototype and add
1012 descriptive comment, both in accordance with the interface change
1014 * varasm.c (constructor_static_from_elts_p): New function.
1015 Whether a constructor node is a valid static constant initializer
1016 if all its elements are.
1017 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1018 * output.h: Declare it.
1019 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1020 is a valid constant initializer instead of computing the number of
1021 non-constant elements. Use constructor_static_from_elts_p for this
1022 purpose. Replace the head comment with an indication that this is a
1023 helper for categorize_ctor_elements.
1024 (categorize_ctor_elements): Same interface change as for the _1
1025 helper. Former head comment from this helper moved here, adjusted to
1026 account for the interface changes.
1027 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1028 (all_zeros_p): Likewise.
1029 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1030 static versions of the constructor from the categorize_ctor_elements
1031 return value instead of the formerly computed number of non-constant
1034 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1036 * configure: Regenerate.
1037 * Makefile.in (build_libsubdir): New configure substitution
1038 (build_libobjdir): New variable.
1039 (BUILD_LIBIBERTY): Use it.
1041 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1044 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1046 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1049 * c-common.c (handle_weakref_attribute): Ignore attribute in
1050 the same conditions the alias attribute is ignored.
1052 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1054 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1055 (dbxout_begin_prologue): Increment scope_labelno.
1057 2006-07-17 Richard Henderson <rth@redhat.com>
1060 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1063 2006-07-17 Roger Sayle <roger@eyesopen.com>
1064 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1066 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1067 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1068 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1069 functions such as sbrk, write, etc.. Add function prototypes.
1070 Convert function declarations from K&R to ISO C. Cast pointers
1071 to "long" and "unsigned long" instead of "int" and "unsigned int".
1072 Convert tokens following #endif into comments.
1074 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1076 * invoke.texi: Remove mention of f77; Reformat table for
1077 inline parameter options correctly; mention that -malign-double
1078 is default on x86-64 targets.
1080 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1082 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1083 (convert_affine_scev, chrec_convert_aggressive): Use
1084 avoid_arithmetics_in_type_p. Do not check for the subtypes
1087 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1090 * optabs.c (expand_doubleword_shift): Wrap the call to
1091 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1093 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1096 * optabs.c (expand_binop): Pass next_methods rather than methods
1097 to expand_doubleword_shift.
1099 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1102 * tree.h (dump_addr): Declare.
1103 * print-tree.c (dump_addr): New function.
1104 (print_node_brief, print_node): Use it.
1105 * print-rtl.c (print_rtx): Likewise.
1106 * common.opt (-fdump-noaddr): New option.
1107 * doc/invoke.texi (-fdump-noaddr): Document.
1108 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1109 (ve_info_hash): Likewise.
1111 2006-07-13 Andrew Haley <aph@redhat.com>
1113 PR tree-optimization/19505
1114 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1115 edge leaving this block, make sure that the destination of this
1116 block has only one predecessor.
1118 2006-07-17 Richard Guenther <rguenther@suse.de>
1120 PR tree-optimization/28238
1121 * tree-inline.c (copy_bb): Check if we produced valid
1122 gimple copying and substituting a stmt. If not, gimplify
1125 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1127 * optabs.c (maybe_encapsulate_block): New function extracted from...
1128 (emit_libcall_block): ...here. Invoke it on the block of insns to
1129 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1130 (emit_no_conflict_block): Likewise.
1132 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1134 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1136 2006-07-15 Roger Sayle <roger@eyesopen.com>
1138 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1139 a new NOP_EXPR case of the switch statement.
1141 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1144 * stor-layout.c (place_field): Take the bit field with
1145 an excessive size into account in the ms-bitfiled case.
1148 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1149 the previous bit field.
1151 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1154 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1156 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1158 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1159 signal frames correctly even when the signal was installed with
1162 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1164 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1165 (dbxout_function_end): Use local label LFBB. Remove hook
1167 (dbxout_source_line): Use local label LFBB.
1168 (dbxout_block): Likewise.
1169 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1170 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1171 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1172 and DBX_OUTPUT_NFUN.
1174 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1176 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1178 2006-07-13 Jan Hubicka <jh@suse.cz>
1180 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1182 * output.h (align_variable): Declare.
1183 * varasm.c (align_variable): Export.
1184 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1185 when basic block changed.
1187 2006-07-13 Nick Clifton <nickc@redhat.com>
1189 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1190 walking the LOG_LINKS chain.
1192 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1194 * doc/invoke.texi (C++ Dialect Options): Explain difference
1195 between -fvisibility-inlines-hidden and setting hidden
1196 visibility explicitly.
1198 2006-07-12 Eric Christopher <echristo@apple.com>
1200 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1201 (stmp-lipo): Depend on libgcc.a.
1203 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1205 * tree.c: Fix a comment typo.
1207 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1209 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1211 (umulhisi3_r): Likewise.
1213 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1216 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1217 x < 19, vs wchar_t support.
1219 2006-07-12 Nick Clifton <nickc@redhat.com>
1221 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1222 instead of -isa=sh4.
1224 2006-07-12 Mike Stump <mrs@apple.com>
1226 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1228 2006-07-10 Eric Christopher <echristo@apple.com>
1230 * config/t-slibgcc-darwin: Rewrite.
1232 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1235 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1238 2006-07-08 Matthias Klose <doko@debian.org>
1240 * doc/sourcebuild.texi: Fix typo.
1242 2006-07-07 Mike Stump <mrs@apple.com>
1244 * toplev.c (process_options): Don't give -ffunction-sections may
1245 affect debugging warning for Mach-O.
1247 2006-07-07 James E Wilson <wilson@specifix.com>
1249 * config/mips/mips.md (cpu): Add sb1a.
1250 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1251 addition to sb1. Adjust comments to clarify SB-1A differences from
1253 (ir_sb1a_load): New. Modify bypasses to use it.
1254 (ir_sb1a_simple_alu): Likewise.
1255 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1256 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1257 (mips_issue_rate): Add PROCESSOR_SB1A.
1258 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1259 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1260 (TARGET_SB1): Add PROCESSOR_SB1A check.
1261 (TUNE_SB1): Likewise.
1263 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1264 * config/mips/mips.c (mips_store_data_bypass_p): New.
1265 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1266 store_data_bypass_p.
1268 2006-07-08 Paul Brook <paul@codesourcery.com>
1271 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1273 2006-07-07 Richard Guenther <rguenther@suse.de>
1276 * tree.h (build_one_cst): Declare.
1277 * tree.c (build_one_cst): New function.
1278 * tree-ssa-math-opts.c (get_constant_one): Remove.
1279 (insert_reciprocals): Use build_one_cst.
1280 * fold-const.c (fold_plusminus_mult): Likewise.
1282 2006-07-07 Roger Sayle <roger@eyesopen.com>
1284 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1285 * cfgloopanal.c (dump_graph): Likewise.
1286 * dojump.c (discard_pending_stack_adjust): Likewise.
1287 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1289 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1290 * function.c (finalize_block_changes): Likewise.
1291 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1292 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1293 * rtl.c (dump_rtx_statistics): Likewise.
1294 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1296 * varray.c (dump_varray_statistics): Likewise.
1297 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1298 decode_decimal64, encode_decimal128, decode_decimal128,
1299 decimal_real_to_decimal): Likewise.
1301 2006-07-07 Richard Guenther <rguenther@suse.de>
1303 PR tree-optimization/28187
1304 * tree-vrp.c (vrp_operand_equal_p): New function.
1305 (vrp_bitmap_equal_p): Likewise.
1306 (update_value_range): Use them to compare old and new
1309 2006-07-06 Roger Sayle <roger@eyesopen.com>
1311 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1312 a default case to switch statement to silence compiler warnings.
1314 2006-07-06 Roger Sayle <roger@eyesopen.com>
1317 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1318 the configured assembler supports the x87's ffreep mnemonic.
1319 * configure: Regenerate.
1320 * config.in: Regenerate.
1322 * config/i386/i386.c (output_387_ffreep): New function.
1323 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1324 (output_387_reg_move): Likewise.
1326 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1328 Port to hosts whose 'sort' and 'tail' implementations
1329 treat operands with leading '+' as file names, as POSIX
1330 has required since 2001. However, make sure the code still
1331 works on pre-POSIX hosts.
1332 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1333 which says you should use "tail -c +N" rather than "tail +Nc".
1334 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1336 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1338 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1341 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1344 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1345 PRE_{INC,DEC} of TFmode.
1347 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1348 Alan Modra <amodra@bigpond.net.au>
1351 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1354 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1357 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1358 Remove duplicate gtu.
1360 2006-07-05 Jason Merrill <jason@redhat.com>
1364 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1365 * c-common.c (handle_packed_attribute): So don't copy it here.
1366 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1368 2006-07-05 Mike Stump <mrs@apple.com>
1370 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1372 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1375 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1377 2006-07-05 Richard Guenther <rguenther@suse.de>
1380 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1381 TARGET_SSE2 targets if using SSE math.
1382 (*absdf2_1): Likewise.
1384 2006-07-05 Richard Guenther <rguenther@suse.de>
1386 PR tree-optimization/28162
1387 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1388 make sure to convert the operands to the correct type.
1390 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1392 PR tree-optimization/28218
1394 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1395 to calculate and free the dominator information.
1397 2006-07-04 Peter O'Gorman <peter@pogma.com>
1399 * mklibgcc.in: chmod 644 before ranlib during install.
1401 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1402 J"orn Rennecke <joern.rennecke@st.com>
1404 * configure.ac (.eh_frame data check): Use diff -b.
1406 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1409 * Makefile.in (BUILD_RTL): Add build/vec.o.
1410 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1411 (build/genextract): Delete.
1412 (build/genautomata): Likewise.
1414 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1417 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1418 128-bit IBM long doubles for ABI_V4.
1420 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1422 * tree.c (range_in_array_bounds_p): New predicate.
1423 * tree.h (range_in_array_bounds_p): Declare it.
1424 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1425 return a less conservative answer.
1426 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1427 and flag 'is_group'.
1428 (IS_ELEMENT_FOR_GROUP): New macro.
1429 (FOR_EACH_ACTUAL_CHILD): Likewise.
1430 (next_child_for_group): New helper function.
1431 (can_completely_scalarize_p): Take into account groups.
1432 (sra_hash_tree): Handle RANGE_EXPR.
1433 (sra_elt_eq): Likewise.
1434 (lookup_element): Be prepared for handling groups.
1435 (is_valid_const_index): Delete.
1436 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1437 instead of is_valid_const_index.
1438 <ARRAY_RANGE_REF>: New case.
1439 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1440 is_valid_const_index.
1441 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1442 (scan_dump): Dump info for groups too.
1443 (decide_instantiation_1): Likewise.
1444 (decide_block_copy): Assert that the element is not a group.
1445 Propagate decision to groups.
1446 (generate_one_element_ref): Handle RANGE_EXPR.
1447 (mark_no_warning): Iterate over actual childs.
1448 (generate_copy_inout): Likewise.
1449 (generate_element_copy): Likewise.
1450 (generate_element_zero): Likewise.
1451 (generate_element_init_1): Likewise.
1452 (dump_sra_elt_name): Handle RANGE_EXPR.
1454 2006-07-03 Roger Sayle <roger@eyesopen.com>
1456 PR tree-optimization/26251
1457 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1458 (thread_block): When optimizing for size refuse to thread jumps
1459 that would require duplication of blocks other than redirection
1462 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1464 * configure.ac: Fix thinko in previous check-in.
1465 * configure: Regenerate.
1467 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1470 * configure.ac (for lang...): Simplify nesting of conditionals.
1471 Test subdir_requires for non-enabled languages. Move processing
1472 of lang_opt_files and lang_tree_fiels below that test.
1473 * configure: Regenerate.
1474 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1476 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1478 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1480 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1482 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1485 2006-06-29 Jason Merrill <jason@redhat.com>
1492 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1493 * c-common.c (c_determine_visibility): Handle it here.
1494 * c-decl.c (finish_decl): Call c_determine_visibility for
1496 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1498 * varasm.c (default_assemble_visibility): Likewise.
1499 * c-common.c (handle_visibility_attribute): Complain about trying
1500 to give visibility to an already defined class, or trying to change
1501 declared visibility. Always attach the attribute.
1506 * attribs.c (decl_attributes): Ignore type-in-place attributes
1507 once the type has been defined.
1509 2006-06-29 Roger Sayle <roger@eyesopen.com>
1512 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1513 to indicate the cpplib has issued an error message for us.
1515 2006-06-29 Asher Langton <langton2@llnl.gov>
1518 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1519 insert a label at the end of an function under Mach-O.
1521 2006-06-29 Eric Christopher <echristo@apple.com>
1522 Evan Cheng <evan.cheng@apple.com>
1524 * predicates.md (vector_all_ones_operand): New.
1525 (nonimmediate_or_sse_const_operand): Ditto.
1526 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1527 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1528 (standard_sse_mode_p): Ditto.
1529 (standard_sse_constant_p): Add case for -1 vector.
1530 (ix86_expand_vector_move): Try to use.
1531 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1532 Call standard_sse_constant_opcode.
1533 (*movv4sf_internal): Ditto.
1534 (*movv2df_internal): Ditto.
1536 2006-06-29 Roger Sayle <roger@eyesopen.com>
1538 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1539 of XEXP to extract the operands of a MATCH_CODE rtx.
1541 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1543 * tree.c (tree_size): Do not waste tail padding in
1544 struct tree_string and make the size be the same as
1545 build_string will generate.
1547 2006-06-28 Jason Merrill <jason@redhat.com>
1550 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1551 may_aliases already in the tag's annotations to the bitmap.
1553 2006-06-28 Roger Sayle <roger@eyesopen.com>
1555 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1557 2006-06-28 Roger Sayle <roger@eyesopen.com>
1559 * genpreds.c (generate_switch_p): New function.
1560 (add_mode_tests): Push the new mode test down inside an AND expr
1561 if this allows the switch-suitable MATCH_CODE to be near the root.
1562 (write_match_code_switch): New function to write a MATCH_CODE as
1564 (write_predicate_stmts): New function to write a predicate RTX
1565 expression as a sequence of statements.
1566 (write_one_predicate_function): Use write_predicate_stmts.
1567 (write_tm_constrs_h): Likewise.
1569 2006-06-26 Fred Fish <fnf@specifix.com>
1571 * config/mips/t-sb1: New file.
1572 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1575 2006-06-26 DJ Delorie <dj@redhat.com>
1577 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1579 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1580 Jayant Sonar <jayants@kpitcummins.com>
1581 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1583 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1584 (subsi3, subsi3_1, subsi3_2): New.
1585 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1586 * config/m32c/mov.md (SI mov peephole): New.
1587 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1588 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1590 2006-06-26 Olivier Hainque <hainque@adacore.com>
1592 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1593 a CALL_EXPR target function declaration.
1595 2006-06-26 Richard Guenther <rguenther@suse.de>
1597 * tree.c (build_string): Do not waste tail padding in
1600 2006-06-26 Richard Guenther <rguenther@suse.de>
1602 * ggc-page.c (init_ggc): Add missing element to size_lookup
1606 2006-06-23 Richard Guenther <rguenther@suse.de>
1608 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1609 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1610 alignment requests instead. Add verification code.
1611 Add struct tree_function_decl and struct tree_binfo size to
1612 extra_order_size_table. Add missing element to size_lookup
1615 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1618 * fold-const.c (const_binop): Be prepared for self returning zero.
1619 Simplify code handling complex values.
1621 2006-06-24 Olivier Hainque <hainque@adacore.com>
1623 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1624 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1627 2006-06-24 Olivier Hainque <hainque@adacore.com>
1629 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1630 ARRAY_REF, so have the callback called for the low bound expression.
1632 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1634 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1635 * c-typeck.c (c_common_type): Disallow operations on decimal float
1636 types and other float types.
1637 * convert.c (convert_to_real): Don't ignore conversions involving
1638 decimal float types.
1640 2006-06-23 Olivier Hainque <hainque@adacore.com>
1642 * tree.c (max_int_size_in_bytes): New function, inspired from
1643 code in function.c:assign_temp.
1644 * tree.h (max_int_size_in_bytes): Declare.
1645 * function.c (assign_temp): Use it.
1646 * gimplify.c (create_tmp_var): Relax the assertions on the type
1647 properties, not mandating constant size any more.
1648 (force_constant_size): New static function.
1649 (gimple_add_tmp_var): Use it, forcing variable size to a
1650 constant upper bound if it is not constant on entry.
1652 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1655 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1656 for initialization and setting of one_only flag to ...
1657 (i386_pe_encode_section_info): ...here.
1658 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1659 Recheck that the symbol has not been defined.
1661 2006-06-23 Richard Guenther <rguenther@suse.de>
1663 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1664 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1665 alignment requests instead. Add verification code.
1666 Add struct tree_function_decl and struct tree_binfo size to
1667 extra_order_size_table. Add missing element to size_lookup
1670 2006-06-22 Roger Sayle <roger@eyesopen.com>
1671 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1674 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1675 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1677 2006-06-23 Ben Elliston <bje@au.ibm.com>
1679 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1680 negate dn -- manipulate it directly.
1682 2006-06-22 Roger Sayle <roger@eyesopen.com>
1683 Steven Bosscher <stevenb.gcc@gmail.com>
1686 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1687 generated by gen_move_insn to add REG_LABEL notes if necessary.
1689 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1691 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1692 (leaf_entry): Remove use of MIN_ESA.
1694 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1696 PR rtl-optimization/28121
1697 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1700 2006-06-21 DJ Delorie <dj@redhat.com>
1702 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1704 (mulhisi3_r): Likewise.
1706 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1709 * coverage.c (coverage_counter_alloc): Leave the index type
1711 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1714 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1716 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1717 section from the "Options for Code Generation Conventions".
1719 2006-06-21 Richard Henderson <rth@redhat.com>
1723 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1725 (global_symbolic_operand): Allow weak symbols, even if local_p.
1727 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1729 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1730 (find_interesting_uses_address): Punt if above function returns true.
1732 2006-06-21 Richard Guenther <rguenther@suse.de>
1734 * configure: Regenerated.
1736 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1738 * config/mips/mips.c (function_arg): Where one part of a
1739 complex argument is in registers and the other part in the stack,
1740 return a REG not a PARALLEL.
1742 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1744 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1745 when cross-compiling. Do not substitute libstdcxx_incdir.
1746 * configure: Regenerated.
1748 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1750 * varasm.c (mergeable_string_section): Check for embedded NULs and
1751 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1752 rather than TREE_STRING_LENGTH bytes.
1754 2006-06-21 Richard Guenther <rguenther@suse.de>
1756 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1757 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1760 2006-06-21 Richrad Guenther <rguenther@suse.de>
1762 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1763 Limit iteration over the dominators.
1765 2006-06-20 Roger Sayle <roger@eyesopen.com>
1767 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1768 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1770 2006-06-20 Richard Guenther <rguenther@suse.de>
1771 Michael Matz <matz@suse.de>
1773 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1775 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1776 * et-forest.h (et_free_pools): Prototype new function.
1777 * et-forest.c (et_free_tree_force): Free parent occurrence.
1778 (et_free_pools): New function.
1779 * dominance.c (free_dominance_info): Free et-forest alloc
1782 2006-06-20 Roger Sayle <roger@eyesopen.com>
1784 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1785 integer modes, attempt to directly construct an integer constant.
1787 * fold-const.c (native_encode_vector): Determine the size of each
1788 element from the vector type instead of the first vector element.
1790 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1791 if all of its elements/components are constant.
1792 (build_constructor_from_list): Likewise.
1794 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1796 PR tree-optimization/27331
1797 * tree-data-ref.c (free_data_ref): New function.
1798 (create_data_ref): Fail if the data reference has unknown access
1800 (free_data_refs): Use free_data_ref.
1802 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1805 * tree-inline.c (setup_one_parameter): Strip useless
1806 type conversion before adding it to the IR.
1807 (declare_return_variable): Likewise.
1809 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1812 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1814 2006-06-19 Mike Stump <mrs@apple.com>
1816 * tree.c (variably_modified_type_p): VM arguments don't make the
1819 2006-06-19 Richard Guenther <rguenther@suse.de>
1821 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1822 type conversions after folding.
1824 2006-06-19 Richard Guenther <rguenther@suse.de>
1826 * ggc-page.c (extra_order_size_tab): Add entries with
1827 size of struct function and basic_block.
1828 (size_lookup): Extend to cover sizes up to 511.
1829 (ggc_alloc_stat): Adjust user.
1830 (ggc_pch_count_object): Likewise.
1831 (ggc_pch_alloc_object): Likewise.
1832 (ggc_pch_write_object): Likewise.
1834 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1836 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1837 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1840 2006-06-19 Denis Chertykov <denisc@overta.ru>
1842 * config/avr/libgcc.S : Correct my wrong previous commit.
1844 2006-06-19 Roger Sayle <roger@eyesopen.com>
1847 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1848 have stripped a SUBREG from the shift count, so we may need to
1849 convert_to_mode back to the type's mode before calling make_tree.
1850 Use new_amount instead of amount to avoid expanding a tree twice.
1852 2006-06-19 Richard Guenther <rguenther@suse.de>
1855 * fold-const.c (operand_equal_p): Check if the argument types
1856 have the same precision before stripping NOPs.
1858 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1860 Fix PR tree-optimization/27341
1861 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1863 * tree-complex.c (pass_lower_complex): Update SMT usage.
1865 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1867 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1868 Add a new alternative to the constraint strings. Add move of
1869 operand 1 to 3 to the splitter definition.
1870 ("doloop_si_long"): Second contraint alternative removed.
1872 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1874 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1875 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1877 (AVR_HAVE_MOVW) Define.
1878 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1879 (ASM_SPEC): Add avr25.
1880 (LINK_SPEC): Add avr25.
1881 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1882 (base_arch_s): Add new member 'have_movw_lpmx'.
1883 (avr_arch_types): Init 'have_movw_lpmx'.
1884 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1885 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1886 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1887 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1888 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1890 (avr_file_start): Do not output '.arh' derective.
1891 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1892 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1893 * config/avr/avr.md (mcu_enhanced): Delete.
1894 (mcu_have_movw): Define.
1895 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1896 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1897 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1898 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1899 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1900 attiny861 and at86rf401 devices.
1902 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1904 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1907 2006-06-17 Karl Berry <karl@gnu.org>
1909 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1910 doc/gccint.texi, doc/install.texi (@dircategory): Use
1911 "Software development" instead of "Programming", following
1912 the Free Software Directory.
1914 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1916 * config/i386/i386.c (legitimate_tls_address)
1917 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1918 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1919 (*tls_dynamic_gnu2_combine_64): Likewise.
1921 2006-06-16 Richard Guenther <rguenther@suse.de>
1924 * fold-const.c (negate_expr_p): Do not introduce undefined
1925 overflow in negating INTEGER_CSTs.
1926 (fold_negate_expr): Rename from negate_expr. Revert last
1927 change for folding BIT_NOT_EXPR. Change semantics to
1928 return NULL_TREE for non-simplified negations. Do not
1929 strip type conversions and unify type handling.
1930 (negate_expr): New function, wrap around fold_negate_expr
1931 but ensure building a tree always. Strip type conversions
1932 here, fold to result type.
1933 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1935 2006-06-16 Roger Sayle <roger@eyesopen.com>
1938 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1939 that (would) return their results in stack registers.
1941 2006-06-16 Michael Matz <matz@suse.de>
1942 Richard Guenther <rguenther@suse.de>
1944 * fold-const.c (fold_truthop): Only return new tree node if
1945 we canonicalized something.
1947 2006-06-16 Richard Guenther <rguenther@suse.de>
1949 * function.h (enum function_frequency): Move declaration
1950 out of struct function.
1951 (struct function): Move bool fields and the enum to the bitfield
1952 section. Reorder elements to avoid padding. Remove unused
1953 fields left over from the RTL inliner removal.
1954 * function.c (free_after_compilation): Do not zero removed fields.
1955 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1956 (ipa-type-escape.o): Likewise.
1958 2006-06-16 Richard Guenther <rguenther@suse.de>
1960 * cgraph.h (struct cgraph_local_info): Turn bool elements
1962 (struct cgraph_node): Likewise.
1963 (struct cgraph_varpool_node): Likewise.
1965 2006-06-15 Richard Guenther <rguenther@suse.de>
1967 * fold-const.c (fold_truth_not_expr): Rename from
1968 invert_truthvalue. Give it fold_* semantics to avoid
1970 (invert_truthvalue): New function. Wrapper around
1971 fold_truth_not_expr.
1972 (optimize_minmax_comparison): Avoid creating garbage.
1973 (fold_unary): Use fold_truth_not_expr for folding
1975 (fold_ternary): Replace uses of invert_truthvalue with
1976 fold_truth_not_expr where applicable.
1977 * tree.h (fold_truth_not_expr): Prototype.
1979 2006-06-16 Richard Guenther <rguenther@suse.de>
1981 PR tree-optimization/27781
1982 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1983 * ipa-pure-const.c (target.h): Include.
1984 (analyze_function): Do not analyze functions that do not
1987 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1990 * tree-dfa.c (referenced_vars_dup_list): Remove.
1991 (find_referenced_vars): Remove assert.
1992 (referenced_var_check_and_insert): Replace dup list with assert.
1993 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1994 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1996 2006-06-15 Richard Guenther <rguenther@suse.de>
1998 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1999 extra unused identifiers if not dumping.
2000 (create_variable_info_for): Likewise.
2002 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2004 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2005 (derive_constant_upper_bound): Derive more precise upper bound in
2006 common cases. Return type changed to double_int.
2007 (record_estimate): Reflect the changed return type of
2008 derive_constant_upper_bound.
2009 * double-int.c (double_int_zext, double_int_sext): Fix.
2011 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2013 * configure.ac (CFLAGS): Get them from the toplevel or from the
2014 configure invocation.
2015 * configure: Regenerate.
2016 * Makefile.in (CFLAGS): Substitute value provided by configure.
2018 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2021 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2022 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2023 rather than calling add_stmt on it.
2024 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2026 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2029 * reload1.c (reload): Remove registers returned by update_eliminables
2030 from used_spill_regs.
2032 2006-06-13 DJ Delorie <dj@redhat.com>
2034 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2036 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2038 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2039 html__strip_dir, html__mkdir_p. Enhance install-html target.
2040 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2041 * configure: Regenerate.
2043 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2045 * fold-const.c (fold_cond_expr_with_comparison): Check for
2046 Objective-C++ as language in deciding COND_EXPR transformation.
2048 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2051 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2052 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2053 * config/sh/lib1funcs.h (SL, SL1): Define.
2054 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2055 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2056 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2057 (OBJS_Os_4_200): New variable.
2058 ($(T)libgcc-Os-4-200.a): Use it.
2059 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2060 when dividing 1 and/or by 0.
2062 2006-06-13 Roger Sayle <roger@eyesopen.com>
2064 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2065 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2066 * configure: Regenerate.
2068 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2070 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2071 for real instruction.
2073 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2076 * haifa-sched.c (check_cfg): Handle special case.
2078 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2081 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2082 Add debug_info parameter. Chain the vars to the BLOCK instead
2083 of the BIND_EXPR if debug info are requested for them.
2084 (pop_gimplify_context): Adjust for above change.
2085 (gimple_add_tmp_var): Likewise.
2086 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2088 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2089 (convert_local_reference): Likewise.
2090 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2091 (finalize_nesting_tree_1): Request that debug info be emitted
2092 for debug_var_chain.
2094 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2096 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2097 for PR target/27863.
2099 2006-06-13 Richard Guenther <rguenther@suse.de>
2102 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2104 2006-06-13 Richard Guenther <rguenther@suse.de>
2106 PR tree-optimization/27830
2107 * tree-inline.c (copy_body_r): For copying the operand
2108 of an ADDR_EXPR make sure to fold &* afterwards.
2110 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2112 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2113 lvalues in the fb_none case with side-effects.
2115 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2117 * tree-flow.h: Remove the prototype for
2118 compute_phi_arg_on_exit.
2119 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2120 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2123 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2125 * builtins.c (expand_builtin_return_addr): Only use
2126 frame_pointer_rtx when count == 0 and we are expanding
2127 __builtin_return_address.
2129 2006-06-12 Fred Fish <fnf@specifix.com>
2131 * config/mips/mips.c (mips_file_start): Create special section
2132 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2134 2006-06-11 Eric Christopher <echristo@apple.com>
2137 * stor-layout.c (place_field): Remove check for
2138 remaining_in_alignment when aligning at the end of a run.
2140 2006-06-11 Eric Christopher <echristo@apple.com>
2143 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2146 2006-06-11 Roger Sayle <roger@eyesopen.com>
2149 Revert incorrect fix for PR target/27158
2150 2006-05-08 Roger Sayle <roger@eyesopen.com>
2151 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2152 of a reg_equiv_constant if the result is a legitimate constant.
2154 2006-06-11 Roger Sayle <roger@eyesopen.com>
2157 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2158 extract a CONST_VECTOR element and interpret it as an integer.
2159 (vspltis_constant): Use const_vector_elt_as_int instead of the
2160 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2161 * config/rs6000/predicates.md (easy_vector_const): Consider
2162 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2164 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2167 * stor-layout.c (update_alignment_for_field): Don't add extra
2168 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2171 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2173 * config/mips/t-rtems: Add EL/EB multilib variants.
2175 2006-06-09 Mike Stump <mrs@apple.com>
2177 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2179 2006-06-09 David Daney <ddaney@avtrex.com>
2181 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2183 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2185 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2187 2006-06-09 Richard Guenther <rguenther@suse.de>
2189 PR tree-optimization/26998
2190 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2191 of signed types, only TYPE_MIN_VALUE is special, but for both,
2192 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2193 in this case, as is -fwrapv.
2195 2006-06-08 Mike Stump <mrs@apple.com>
2198 * config/darwin.c (darwin_asm_output_anchor): Disable
2199 -fsection-anchors on darwin for now.
2200 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2201 * rs6000/rs6000.c (optimization_options): Likewise.
2203 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2206 * config/i386/i386.c (classify_argument): Skip fields with invalid
2209 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2211 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2212 (cse_insn): Likewise for the stack_pointer_rtx.
2214 2006-06-08 Roger Sayle <roger@eyesopen.com>
2216 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2217 conditions from floating point comparisons.
2219 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2222 * expmed.c (struct alg_hash_entry): Fix type of field T
2223 to match synth_mult argument.
2224 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2226 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2229 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2232 2006-06-08 Richard Guenther <rguenther@suse.de>
2235 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2236 only, if overflow is defined and not trapping.
2237 (negate_expr): Likewise.
2239 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2241 PR tree-optimization/27872
2242 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2243 flag on the new exit edge of the unrolled loop.
2245 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2247 PR rtl-optimization/26449
2248 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2250 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2253 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2254 referenced_variables with matching DECL_UID's.
2255 (find_referenced_vars): Make sure duplicate list is empty to start.
2256 (referenced_var_p): Remove.
2257 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2258 Check if var is in the list, and add if needed. Update the duplicate
2259 list if a different var is in the list with the same DECL_UID.
2260 (add_referenced_var): Call routine to check and insert.
2261 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2262 * tree-flow.h (referenced_vars_dup_list): External declaration.
2264 2006-06-07 Fred Fish <fnf@specifix.com>
2266 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2269 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2272 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2273 the imaginary and real parts of a clobbered register.
2274 Emit insn to set the imaginary part.
2276 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2278 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2279 in lieu of unwind-dw2-fde.c.
2281 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2283 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2285 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2288 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2289 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2290 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2291 V4SImode temporaries and operations instead.
2293 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2295 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2298 2006-06-06 Mike Stump <mrs@apple.com>
2300 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2301 installing during build.
2303 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2305 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2307 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2308 * config/ia64/ia64.c (params.h): New header.
2309 (ia64_optimization_options): New function to adjust parameters.
2310 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2311 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2312 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2314 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2316 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2318 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2321 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2323 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2324 Victor Kaplansky <victork@il.ibm.com>
2326 PR tree-optimization/26360
2327 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2330 2006-06-04 Roger Sayle <roger@eyesopen.com>
2331 Andrew Pinski <pinskia@physics.uc.edu>
2334 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2335 for LABEL_DECL before calling DECL_WEAK.
2338 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2339 LABEL_DECL and PARM_DECL.
2341 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2345 * c-decl.c (grokdeclarator): Disallow variably modified types at
2346 file scope. Avoid marking shared array type of constant size as
2349 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2352 * c-common.c (fold_offsetof_1): Handle static members.
2354 2006-06-04 Eric Christopher <echristo@apple.com>
2356 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2357 (debug_rli): Output value for remaining_in_alignment.
2358 (update_alignment_for_field): Unconditionalize
2359 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2360 extra alignment code.
2361 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2362 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2363 * tree.h (record_layout_info_s): Remove prev_packed.
2364 * doc/extend.texi (ms_struct): Add documentation of format.
2366 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2368 * tree.h: Declare folding_initializer.
2369 * builtins.c (fold_builtin_constant_p): Give definite answer
2370 if folding inside an initializer.
2371 * fold-const.c: Define folding_initializer.
2372 (START_FOLD_INIT): Save and then set folding_initializer.
2373 (END_FOLD_INIT): Restore folding_initializer.
2375 2006-06-04 Richard Guenther <rguenther@suse.de>
2377 PR tree-optimization/27039
2378 * fold-const.c (fold_comparison): Handle pointer comparison
2379 again for all comparison codes. Compare offsets in signed
2381 (fold_binary): Move code from here.
2383 2006-06-03 Roger Sayle <roger@eyesopen.com>
2386 * config/i386/i386.c (construct_container): Split static issued_error
2387 flag into issued_sse_arg_error, issued_sse_ret_error and
2388 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2389 requires the use of x87 registers and the user explicitly
2390 specified the -mno-80387 command line option.
2392 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2394 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2395 HAVE_DECL_SIGALTSTACK.
2397 (segv_handler): Use MC_FLD.
2398 * configure.ac: Check for a sigaltstack declaration.
2399 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2400 * configure: Regenerate.
2401 * config.in: Regenerate.
2403 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2406 * Makefile.in (stmp-fixinc): Fix typo.
2408 2006-06-02 Roger Sayle <roger@eyesopen.com>
2410 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2411 are type correct. Clean-up.
2412 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2413 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2415 2006-06-01 DJ Delorie <dj@redhat.com>
2417 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2418 shift, as we've disabled the "switch" insn that needs it.
2420 2006-06-01 Per Bothner <bothner@bothner.com>
2422 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2423 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2424 * c-ppoutput.c (cb_define): Don't increment line 0.
2426 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2428 * doc/invoke.texi: Add cpu_type power6.
2429 * config.gcc: Add cpu_type power6.
2430 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2431 to power5+ with Altivec.
2432 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2433 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2435 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2437 * config/avr/avr.h (SET_ASM_OP): Define.
2439 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2441 * config/bfin/bfin.c: Fix comment typos.
2443 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2446 * doc/install.texi: Document --enable-bootstrap and
2447 --disable-bootstrap.
2449 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2451 * doc/install.texi: Document that InfoZIP can replace jar.
2453 2006-05-31 Roger Sayle <roger@eyesopen.com>
2455 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2456 isn't available, directly generate the simpler x87 patterns without
2457 the (use (const_int 0)).
2458 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2459 implementation isn't available.
2460 (*negdf2_1): Likewise.
2461 (*negxf2_1): XF mode negation is always done using the x87.
2462 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2464 2006-05-31 Roger Sayle <roger@eyesopen.com>
2466 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2467 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2469 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2471 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2473 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2474 * config/bfin/bfin.c (basic-block.h): Include.
2475 (struct machine_function): New.
2476 (bfin_init_machine_status): New.
2477 (override_options): Initialize init_machine_status.
2478 (bfin_hardware_loop): New.
2479 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2480 (DEF_VEC_P (loop_info)): New.
2481 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2482 (struct loop_info): New.
2483 (loop_info): New typedef.
2484 (struct loop_work): New.
2485 (loop_work): New typedef.
2486 (DEF_VEC_O (loop_work)): New.
2487 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2488 (bfin_dump_loops): New.
2489 (bfin_bb_in_loop): New.
2490 (bfin_scan_loop): New.
2491 (bfin_optimize_loop): New.
2492 (bfin_reorg_loops): New.
2493 (bfin_reorg): Use bfin_reorg_loops.
2494 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2496 (I_REGNO_P): Simplify.
2497 (DP_REGNO_P, DPREG_P): New macros.
2498 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2499 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2500 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2501 Add LT_REGS, LC_REGS, LB_REGS.
2502 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2504 (REGNO_REG_CLASS): Deal with loop registers.
2505 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2507 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2508 New constants for loop registers.
2509 (UNSPEC_LSETUP_END): New.
2510 (seq_insns): New define_attr. Set it for appropriate insns.
2511 (movsi_insn): Add alternatives for move from/to
2512 loop count registers.
2513 (doloop_end): New define_expand.
2514 (loop_end): New define_insn.
2515 (define_split for bad doloop_end): New.
2516 (lsetup_with_autoinit): New define_insn.
2517 (lsetup_without_autoinit): New define_insn.
2518 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2519 * config/bfin/predicates.md (lc_register_operand): New.
2520 (lt_register_operand): New.
2521 (lb_register_operand): New.
2522 (nondp_register_operand): New.
2523 (nondp_reg_or_memory_operand): New.
2524 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2526 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2528 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2529 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2531 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2533 * Makefile.in (CATALOGS): Add po/ prefix.
2534 * configure: Regenerated.
2536 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2539 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2540 a shift operand before calling shift_op. Avoid redundant call of
2543 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2544 DJ Delorie <dj@redhat.com>
2546 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2547 we're inserting is a singlt-bit constant.
2549 2006-05-30 Roger Sayle <roger@eyesopen.com>
2551 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2552 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2554 2006-05-30 Roger Sayle <roger@eyesopen.com>
2556 PR tree-optimization/23452
2557 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2558 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2559 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2560 complex values and with -ffast-math for FP complex values.
2562 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2564 * c-common.h: Remove the prototype for yyparse.
2565 * rtl.h: Remove the prototype for init_loop.
2567 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2569 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2572 2006-05-30 Roger Sayle <roger@eyesopen.com>
2574 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2576 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2577 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2579 2006-05-30 Dirk Mueller <dmueller@suse.de>
2582 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2583 for CONSTANT_CLASS_P expresisons.
2585 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2588 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2590 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2592 PR tree-optimization/27779
2593 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2594 initial_condition instead of CHREC_LEFT.
2596 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2598 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2599 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2600 Make prototypes ISO C90.
2602 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2603 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2605 * see.c (see_analyze_one_def): Correct check.
2606 (see_get_extension_data): Check if extension is parallel.
2607 (see_get_extension_reg): Likewise.
2609 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2612 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2613 into register for (code == GTU).
2615 2006-05-29 Roger Sayle <roger@eyesopen.com>
2617 PR tree-optimization/24964
2618 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2619 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2620 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2621 abs(x)*abs(x) as x*x for scalar floating point modes.
2623 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2626 * lambda-code.c (perfect_nestify): Don't copy statements
2627 in the inner loop: move them to the inner loop header.
2629 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2632 * c-tree.texi: Document OpenMP directives and clauses.
2634 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2636 * varasm.c (globalize_decl): Fix indentation.
2638 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2641 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2642 pass_fre, pass_store_ccp, pass_copy_prop,
2643 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2644 pass_return_slot, pass_object_size, pass_lim,
2645 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2646 pass_loop_prefetch and pass_stdarg.
2648 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2650 * config/bfin/bfin.opt (mfdpic): New option.
2651 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2652 (EXTRA_MULTILIB_PARTS): Likewise.
2653 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2654 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2656 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2657 (CRT_CALL_STATIC_FUNCTION): New.
2658 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2660 (CRT_CALL_STATIC_FUNCTION): New.
2661 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2663 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2664 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2665 (initialize_trampoline): Changed to handle FD-PIC code generation.
2666 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2667 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2668 (override_options): Disallow -mid-shared-library -mfdpic combination.
2669 Can't do unaligned ops if FD-PIC.
2670 Turn off flag_pic if trying to generate non-id-shared-library
2671 non-fdpic code, since it's not supported.
2672 (bfin_assemble_integer): New function.
2673 (TARGET_ASM_INTEGER): Define.
2674 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2676 * config/bfin/crtn.s: Restore them.
2677 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2679 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2680 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2681 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2682 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2683 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2685 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2686 FDPIC_REGS and FDPIC_FPTR_REGS.
2687 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2688 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2689 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2690 (load_funcdescsi): New pattern.
2691 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2692 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2693 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2695 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2697 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2700 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2702 * tree-flow.h: Remove the prototype for add_type_alias.
2703 * tree-ssa-alias.c (add_type_alias): Remove.
2705 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2707 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2708 config/fr30/fr30.md, config/i386/i386-interix.h,
2709 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2710 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2711 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2712 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2713 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2714 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2715 Follow spelling conventions.
2716 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2717 Follow spelling conventions.
2719 2006-05-27 Richard Guenther <rguenther@suse.de>
2722 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2723 to produce a constant of value 1 of generic type.
2725 2006-05-27 Dirk Mueller <dmueller@suse.de>
2727 * cgraphunit.c (decide_is_function_needed): Fix wrong
2730 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2732 PR rtl-optimization/27661
2733 * reload.c (find_reloads): When reloading a VOIDmode constant
2734 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2735 use Pmode as mode of the reload register.
2737 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2739 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2740 is enabled at -O and above.
2742 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2745 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2748 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2751 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2752 for anonymous variables explicitly declared by front ends.
2754 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2756 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2757 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2758 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2759 ref-all pointers, run a finalization pass for them.
2760 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2761 (finalize_ref_all_pointers): New function.
2762 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2763 regular pointer type to a ref-all pointer type.
2764 (get_tmt_for): Return the special memory tag for ref-all pointers.
2766 2006-05-25 Richard Guenther <rguenther@suse.de>
2769 * fold-const.c (fold_binary): Do not look at the stripped
2770 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2772 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2774 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2775 for LT and GT if the computed range is effectively empty.
2777 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2780 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2781 mips_quad_format formats instead of ieee_single_format,
2782 ieee_double_format and ieee_quad_format formats, respectively.
2784 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2786 PR tree-optimization/27639
2787 PR tree-optimization/26719
2788 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2789 call to scev_probably_wraps_p.
2790 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2791 used_in_pointer_arithmetic_p, convert_step): Removed.
2792 (nowrap_type_p): New function.
2793 (scev_probably_wraps_p): Rewritten.
2794 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2795 chrec_convert if chrec_convert_aggressive might have been used.
2796 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2797 scev_direction): New functions.
2798 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2799 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2800 instead of convert_step.
2801 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2802 (convert_step): Declaration removed.
2803 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2805 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2807 * df-core.c: Added to header comments.
2808 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2809 df_ur_bb_info, df_urec_bb_info): Added comments.
2810 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2811 urec, ri problems): Fixed header comments.
2812 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2813 code from df_rd_transfer_function.
2815 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2817 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2818 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2819 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2821 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2823 * expr.c (undefined_operand_subword_p): New.
2824 (emit_move_multi_word): Do not generate move from undefined bits
2825 of a paradoxical subreg.
2827 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2829 PR rtl-optimization/27736
2830 * combine.c (replaced_rhs_value): New variable.
2831 (combine_instructions): Set it.
2832 (distribute_notes): When distributing a note in replaced_rhs_insn,
2833 check whether the value was used in replaced_rhs_value.
2835 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2838 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2839 add_referenced_var instead of add_referenced_tmp_var.
2840 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2841 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2843 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2844 tree_optimize_tail_calls_1): Use add_referenced_var.
2845 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2846 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2847 Use add_referenced_var.
2848 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2849 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2850 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2851 Use add_referenced_var.
2852 * tree-dfa.c (struct walk_state): Remove.
2853 (find_referenced_vars): Remove walk state and vars_found hash table.
2854 (make_rename_temp): Use add_referenced_var.
2855 (find_vars_r): Pass less parameters to add_referenced_var.
2856 (referenced_var_p): New. Is var in referenced_var hash table.
2857 (referenced_var_insert): Assert var isn't already in hash table.
2858 (add_referenced_var): Don't need walk_state parameter. Add var if it
2859 isn't already in the hash table.
2860 (add_referenced_tmp_var): Remove.
2861 (find_new_referenced_vars_1): Use add_referenced_var.
2862 * tree-ssa-pre.c (create_expression_by_pieces,
2863 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2864 Use add_referenced_var.
2865 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2866 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2867 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2869 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2870 vect_create_data_ref_ptr, vect_create_destination_var,
2871 vect_init_vector, vect_build_loop_niters,
2872 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2873 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2874 Use add_referenced_var.
2875 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2876 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2877 (add_referenced_var): Add prototype.
2878 * tree-ssa-structalias.c (get_constraint_for,
2879 intra_create_variable_infos): Use add_referenced_var.
2881 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2883 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2884 big-endian paradoxical subregs.
2885 * var-tracking.c (struct micro_operation_def): Document that,
2886 for modify micro operations, insn is the subsequent instruction.
2887 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2888 (var_reg_set, var_mem_set): ... new functions.
2889 (add_stores): Record subsequent insn.
2890 (compute_bb_dataflow): Use new functions for MO_USE.
2891 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2892 notes after the insn, and modify notes before the insn known
2893 to be the subsequent one.
2894 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2896 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2899 * config/i386/i386.c (ix86_expand_builtin): Use
2900 gen_sse3_monitor64 for TARGET_64BIT.
2902 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2904 PR rtl-optimization/26375
2905 PR rtl-optimization/26855
2906 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2908 (df_ru_bb_local_compute): Reversed statements and removed bogus
2909 comment explaining why they should be in wrong order.
2910 (df_ru_dump, df_rd_dump): Enhanced debug info.
2911 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2913 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2914 reaching uses and fixed space problem.
2916 2006-05-23 Jan Hubicka <jh@suse.cz>
2918 * cgraphunit.c (decide_is_function_needed): Also nested functions
2919 and functions declared inline can be optimized out at -O0.
2921 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2923 * doc/install.texi (Configuration): Remove reference to CrossGCC
2927 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2930 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2931 ix86_compare_emitted is non-NULL.
2933 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2936 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2939 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2941 PR rtl-optimization/25514
2942 * combine.c (replaced_rhs_insn): New variable.
2943 (combine_instructions): Set replaced_rhs_insn when trying to replace
2944 a SET_SRC with a REG_EQUAL note.
2945 (distribute_notes): Use replaced_rhs_insn when determining the live
2946 range of a REG_DEAD register.
2948 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2949 Anatoly Sokolov <aesok@post.ru>
2951 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2952 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2953 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2954 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2955 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2956 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2957 at90usb647, at90usb1286 and at90usb1287 devices.
2958 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2959 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2961 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2963 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2965 2006-05-22 Richard Guenther <rguenther@suse.de>
2968 2006-01-31 Richard Guenther <rguenther@suse.de>
2969 Paolo Bonzini <bonzini@gnu.org>
2971 * doc/install.texi (--disable-libgcc-math): Document.
2973 2006-05-22 Richard Guenther <rguenther@suse.de>
2976 2006-01-31 Richard Guenther <rguenther@suse.de>
2978 * doc/invoke.texi (-msselibm): Document.
2979 * target.h (expand_library_builtin): New target hook.
2980 * builtins.c (expand_builtin): Use expand_library_builtin.
2981 (default_expand_library_builtin): New function.
2982 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2983 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2984 (link_gcc_math_spec): Declare.
2985 (static_specs): Add link_gcc_math_spec.
2986 * expr.h (default_expand_library_builtin): Declare.
2987 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2988 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2989 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2990 * config/i386/i386.opt (msselibm): New target option.
2991 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2992 (ix86_init_sse_abi_builtins): New function.
2993 (ix86_expand_library_builtin): Likewise.
2994 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2995 (override_options): Handle error conditions wrt -msselibm.
2996 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2997 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2998 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3001 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3004 * c-common.c (self_promoting_args_p): Skip erroneous args.
3007 * c-decl.c (finish_struct): Skip erroneous fields.
3009 2006-05-22 Nick Clifton <nickc@redhat.com>
3011 * config/cris/cris.opt (march): Remove VarExists attribute.
3012 (max-stackframe=): Likewise.
3014 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3016 * doc/rtl.texi: Fix a typo.
3017 * see.c: Fix comment typos.
3019 * tree-ssa-structalias.h (alias_info): Remove num_references.
3021 2006-05-21 Mike Stump <mrs@apple.com>
3023 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3025 (darwin_pragma_options): Use BAD instead.
3026 (darwin_pragma_unused): Likewise.
3027 (darwin_pragma_ms_struct): Likewise.
3029 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3031 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3033 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3035 PR rtl-optimization/27671
3036 * simplify-rtx.c (simplify_relational_operation_1): Fix
3037 simplifications of (eq/ne (xor x y) y) and
3038 (eq/ne (xor x y) x).
3040 PR tree-optimization/26622.
3041 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3044 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3046 * tree-cfg.c: Prune whitespace.
3047 (debug_tree_cfg): Point to correct header containing the
3050 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3053 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3055 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3058 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3059 or sorry count is non zero.
3061 2006-05-20 Andreas Schwab <schwab@suse.de>
3063 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3065 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3066 Kenneth Zadeck <zadeck@naturalbridge.com>
3068 PR rtl-optimization/26855
3070 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3072 (df_scan_alloc): Added code to properly handle multiword hard
3073 registers and add all_blocks parameter.
3074 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3075 code to properly handle multiword hard registers.
3076 (df_rescan_blocks): Added code to remove deleted blocks from
3078 (df_ref_create_structure, df_ref_record): Added code to properly
3080 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3081 and set DF_REF_PARTIAL.
3082 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3083 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3084 (df_scan_add_problem): Added flags parameter.
3085 (df_ref_create_structure): Changed switching structure.
3086 (df_bb_refs_record): Fixed case where duplicate artificial refs
3087 were created. Changed location of flags.
3088 (df_record_entry_block_defs): Added code to make stack pointer
3089 live in entry block. Refined cases where frame pointer is needed.
3090 Changed location of flags.
3091 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3092 (df_set_state): Removed function.
3093 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3094 df_insn_create_insn_record, df_insn_refs_delete,
3095 df_ref_create_structure): Formatting changes.
3096 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3097 df_delete_basic_block): New function.
3098 (df_init): Changed location of flags.
3099 (df_add_problem): Added flags parameter and the way flags are
3101 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3102 debug_df_chain): Improved debugging output.
3103 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3104 (df_refs_chain_dump): Removed df parameter.
3105 (df_iterative_dataflow): Added consistency check.
3106 (df_prune_to_subcfg): Made public.
3107 (df_analyze_problem): Added blocks_to_init parameter and made
3109 (df_ref_record, df_bb_refs_record, df_mark_reg,
3110 df_record_exit_block_uses): Whitespace changes.
3111 (df_dump): Whitespace changes.
3112 * df.h: Some reordering to remove forward references.
3113 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3114 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3115 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3116 (dataflow.flags): New field.
3117 (df.flag): Deleted field.
3118 (df_alloc_function): Added additional bitmap parameter.
3119 (df_dependent_problem_function): New type.
3120 (df_problem.changeable_flags): New field.
3121 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3122 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3123 (df_mw_hardreg): New struct.
3124 (DF_INSN_UID_MWS): New macro.
3125 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3127 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3128 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3129 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3130 (df_set_state): Removed function.
3131 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3132 * df-problems.c (df_chain_dump): Removed df parameter.
3133 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3134 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3136 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3137 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3138 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3139 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3140 DF_REF_MUST_CLOBBER cases.
3141 (df_ru_bb_local_compute_process_def,
3142 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3143 df_lr_bb_local_compute, df_ur_bb_local_compute,
3144 df_chain_create_bb): Made subreg aware.
3145 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3146 df_lr_bb_local_compute, df_lr_bb_local_compute,
3147 df_chain_create_bb): Cleanup to use proper macros.
3148 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3149 code to fixup bitvectors.
3150 (df_ri_alloc): Cleared lifetime.
3151 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3152 df_create_unused_note): New function.
3153 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3154 REG_DEAD and REG_UNUSED notes as well as register information.
3155 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3156 df_chains_dump): Fixed crash if problem was never run.
3157 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3158 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3159 df_ri_add_problem): Processes flags in uniform manner.
3160 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3161 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3162 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3163 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3164 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3165 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3166 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3167 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3168 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3169 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3170 * see.c (see_initialize_data): Ditto.
3171 * final.c (rest_of_clean_state) Added regstack_completed.
3172 * rtl.h (regstack_completed): Ditto.
3173 * reg-stack.c (regstack_completed): Ditto.
3175 2006-05-19 Mike Stump <mrs@apple.com>
3177 * c-tree.h (default_conversion): Remove.
3178 * c-common.h (default_conversion): Add.
3180 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3182 * tree-vrp.c (valid_value_p): New function.
3183 (adjust_range_with_scev): Fail if the value of bound is not
3186 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3188 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3189 (mips_fallback_frame_state): Use syscall numbers to determine
3190 the appropriate li instruction for the current ABI. Only use
3191 __NR_sigreturn for o32.
3193 2006-05-19 Nicolas Setton <setton@adacore.com>
3195 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3196 * langhooks.c (lhd_dwarf_name): New function.
3197 * langhooks-def.h (lhd_dwarf_name): Declare.
3198 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3199 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3200 * ada/misc.c (gnat_dwarf_name): New function.
3201 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3203 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3205 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3207 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3208 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3209 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3210 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3211 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3212 determine the size of Wtype, etc.
3213 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3214 (swfloatfuncs): New variable.
3215 (dwfloatfuncs): Likewise.
3216 (lib2funcs): Remove floating-point conversion functions from
3217 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3218 the set of conversion routines needed. Allow entries to specify
3219 an object name, filename and word size. Update users accordingly.
3220 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3221 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3225 2006-02-08 Roger Sayle <roger@eyesopen.com>
3228 * config/fixtfdi.c: New libgcc source file.
3229 * config/fixunstfdi.c: New source file.
3230 * config/floatditf.c: New source file.
3231 * config/floatunditf.c: New souce file.
3232 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3233 files above instead of config/mips/_tilib.c.
3234 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3236 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3238 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3239 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3241 2006-05-18 Mike Stump <mrs@apple.com>
3243 Fix up vla, vm and [*] sematics.
3249 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3250 (c_vla_unspec_p): Add.
3251 (c_vla_type_p): Add.
3252 * c-decl.c (struct c_scope): Add had_vla_unspec.
3253 (build_array_declarator): Add support for [*].
3254 (grokdeclarator): Likewise.
3255 (grokparms): Likewise.
3256 (get_parm_info): Likewise.
3257 * c-objc-common.c (c_vla_unspec_p): Likewise.
3258 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3259 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3260 typeof when argument is a variably modified type not inside sizeof or alignof.
3261 (c_parser_direct_declarator_inner): Propagate errors.
3262 (c_parser_sizeof_expression): Add support for [*].
3263 (c_parser_parms_declarator): Initialize had_vla_unspec.
3264 (c_parser_parms_list_declarator): Likewise.
3265 * c-typeck.c (c_vla_type_p): Add.
3266 (composite_type): Add support for vla compositing.
3267 (comptypes_internal): Add support for vla compatibility.
3268 (c_expr_sizeof_expr): Evaluate vla arguments.
3269 * tree.c (variably_modified_type_p): Update comment for [*].
3271 2006-05-18 Michael Matz <matz@suse.de>
3274 * config.host: Make assignments to host_xmake_file cumulative.
3275 * config.host (*-darwin*): Test $host, not $target.
3277 2006-05-12 Stuart Hastings <stuart@apple.com>
3279 * config/i386/i386.opt (-mstackrealign): New flag.
3280 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3281 (ix86_handle_cconv_attribute): Emit error when
3282 force_align_arg_pointer attribute collides with too many regparms.
3283 (ix86_function_regparm): Limit regparms when used with
3284 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3285 Support stack-realigning prologue in non-main functions. Emit
3286 warning for nested functions under -mstackrealign, emit error for
3287 nested functions with force_align_arg_pointer attribute.
3288 * doc/extend.texi (force_align_arg_pointer): Document it.
3289 * doc/invoke.texi (-mstackrealign): Document it.
3291 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3293 PR rtl-optimization/27477
3294 * combine.c (try_combine): Don't split a parallel consisting
3295 of two sets into two individual sets if both sets reference
3298 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3300 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3301 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3303 * doc/options.texi (VarExists): Updated.
3305 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3307 * unwind-dw2.c: Add declarations for uw_update_context and
3309 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3310 detected, advance frame state and context once to skip over stub.
3312 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3316 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3317 Call rewrite_into_loop_closed_ssa only when something changed.
3318 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3319 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3320 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3321 Test for perfect_nest_p here. Fix formating.
3322 (replace_uses_equiv_to_x_with_y): Fix formating.
3323 (stmt_uses_op): Removed.
3324 (can_convert_to_perfect_nest): Removed loopivs parameter.
3325 Complete the test by checking the scalar dependences.
3326 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3329 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3332 From Dan Kegel <dank@kegel.com>:
3333 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3335 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3337 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3338 if the element type is variably modified without recursing.
3340 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3343 * tree-loop-linear.c (try_interchange_loops): Test for
3344 no data dependences.
3346 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3348 PR tree-optimization/27548
3349 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3350 range of ssa names that appear on abnormal edges.
3351 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3352 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3354 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3357 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3359 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3362 * tree.h (OMP_PARALLEL_COMBINED): Define.
3363 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3364 (new_omp_context): Add is_combined_parallel argument.
3365 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3366 new_omp_context caller.
3367 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3368 Adjust gimplify_scan_omp_clauses callers.
3369 (omp_is_private): Issue errors if iteration variable is firstprivate
3370 or reduction in the current context.
3371 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3372 on combined parallel workshare constructs.
3374 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3376 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3377 (gcc-options.o): New rule.
3379 * optc-gen.awk: Protect variables for gcc-options.o with
3380 #ifdef GCC_DRIVER/#endif.
3382 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3384 Fix PR tree-optimization/27373
3385 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3386 (forward_propagate_addr_expr): Update call.
3388 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3390 * doc/options.texi: Move the Negative option.
3392 2006-05-16 Richard Guenther <rguenther@suse.de>
3394 PR tree-optimization/22303
3395 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3397 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3398 ccp_fold did not simplify the statement.
3400 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3403 * Makefile.in (GCC_OBJS): New.
3404 (OBJS-common): Add opts-common.o.
3405 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3406 (cpp$(exeext)): Likewise.
3407 (gcc.o): Also depend on opts.h.
3408 (opts-common.o): New.
3410 * common.opt (gcoff): Add Negative(gdwarf-2).
3411 (gdwarf-2): Add Negative(gstabs).
3412 (gstabs): Add Negative(gstabs+).
3413 (gstabs+): Add Negative(gvms).
3414 (gvms): Add Negative(gxcoff).
3415 (gxcoff): Add Negative(gxcoff+).
3416 (gxcoff+): Add Negative(gcoff).
3417 * config/i386/i386.opt (m32): Add Negative(m64).
3418 (m64): Add Negative(m32).
3420 * doc/options.texi: Document the Negative option.
3422 * gcc.c: Include "opts.h".
3423 (main): Call prune_options after expandargv.
3425 * optc-gen.awk: Generate common declarations for all flag
3426 variables in options.c. Output the neg_index field.
3428 * opts.c (find_opt): Moved to ...
3429 * opts-common.c: Here. New file.
3431 * opts.h (cl_option): Add a neg_index field.
3433 (prune_options): Likewise.
3435 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3438 * omp-low.c (expand_omp_parallel): Don't assert
3439 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3440 instead search for it.
3443 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3446 2006-05-16 Andreas Schwab <schwab@suse.de>
3448 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3451 2006-05-15 Roger Sayle <roger@eyesopen.com>
3454 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3455 integer constants other than zero are only legitimate on TARGET_64BIT.
3456 <CONST_VECTOR> Only zero vectors are legitimate.
3457 (ix86_cannot_force_const_mem): Integral and vector constants can
3458 always be put in the constant pool.
3460 2006-05-16 DJ Delorie <dj@redhat.com>
3462 * crtstuff.c (__dso_handle): Set section from
3463 TARGET_LBIGCC_SDATA_SECTION if defined.
3464 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3465 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3467 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3470 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3473 2006-05-16 Ben Elliston <bje@au.ibm.com>
3475 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3477 2006-05-15 Per Bothner <per@bothner.com>
3479 * tree.c: (last_annotated_node): Use source_locus typedef.
3480 This permits bootstrapping with --enable-mapped-location.
3482 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3484 PR tree-optimization/26830
3485 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3486 (info_for_ssa_name, current_info_for_ssa_name_age,
3487 blocks_to_update): New variables.
3488 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3489 (clear_ssa_name_info, initialize_flags_in_bb,
3490 mark_block_for_update): New functions.
3491 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3492 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3493 prepare_def_site_for): Use mark_block_for_update.
3494 (mark_def_interesting): Assert that the processed block is marked in
3495 blocks_to_update. Do not take blocks argument.
3496 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3498 (rewrite_update_init_block, rewrite_update_stmt): Only process
3499 blocks with statements to rewrite.
3500 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3501 (update_ssa): Initialize and free blocks_to_update. Do not
3502 clear flags on statements. Do not use blocks bitmap.
3503 * tree.h (SSA_NAME_AUX): Removed.
3504 (struct tree_ssa_name): Removed aux field.
3505 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3507 2006-05-15 Richard Guenther <rguenther@suse.de>
3509 PR tree-optimization/27603
3510 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3511 Do computations in original type.
3513 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3515 * see.c: Code style changes such as redundant paranthesis,
3516 redundant intialization of local variables etc.
3517 (see_main): Declared now as static.
3518 * doc/invoke.texi: Update that -fsee is not enabled by
3521 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3523 * omp-low.c (check_omp_nesting_restrictions): New function.
3524 (scan_omp_1): Call it.
3527 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3528 construct, return *VAR.
3530 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3532 PR rtl-optimization/27406
3533 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3536 2006-05-14 Roger Sayle <roger@eyesopen.com>
3538 PR rtl-optimization/27538
3539 * combine.c (expand_compound_operation): Call gen_lowpart
3540 before calling simplify_shift_const.
3542 2006-05-14 Roger Sayle <roger@eyesopen.com>
3544 PR rtl-optimization/22563
3545 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3546 a fixed width bitfield, always force the intermediates into psuedos.
3548 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3551 * mkconfig.sh: Use operator = instead of == for test.
3553 2006-05-13 Nick Clifton <nickc@redhat.com>
3555 * dwarf2out.c (dbx_reg_number): Check return value from
3556 LEAF_REG_REMAP and only use it if it is valid.
3557 (multiple_reg_loc_descriptor): Likewise.
3559 2006-05-13 Richard Guenther <rguenther@suse.de>
3561 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3564 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3566 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3567 information attached to non-INSNs such as NOTEs.
3568 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3570 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3572 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3574 * config/s390/s390.md: Adjust comment describing On constraint.
3576 2006-05-11 Jan Hubicka <jh@suse.cz>
3578 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3579 to be output at -O0.
3581 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3584 * fold-const.c (size_binop): Move sanity check for arguments to
3585 the beginning of the function.
3588 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3591 2006-05-11 Richard Guenther <rguenther@suse.de>
3594 * fold-const.c (fold_unary): Handle intermediate conversion
3595 to a pointer type like intermediate conversion to an integer
3596 type in folding of (T1)(T2)var to var.
3597 Match the code to the comment in the final conversion for
3598 (T1)(T2)var to (T1)var regarding to type precision. Rather
3599 than disallow T1 being of pointer type, assert that both T1
3600 and var are of pointer type or not. Make sure not to fall
3601 over the frontends lazyness wrt array to pointer decay though.
3603 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3605 * arm.c (arm_struct_value_rtx): Delete.
3606 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3607 (arm_init_cumulative_args): Always initialize nregs to zero.
3609 2006-05-10 Richard Guenther <rguenther@suse.de>
3611 PR tree-optimization/27532
3612 * tree-object-size.c (plus_expr_object_size): Fix typo.
3614 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3617 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3618 ashrdi_const, ashrdi3): Use a scratch register.
3620 2006-05-10 Richard Guenther <rguenther@suse.de>
3622 PR tree-optimization/27302
3623 * fold-const.c (operand_equal_p): For two comparisons,
3624 try comparison of one comparison code swapped if that yields
3627 2006-05-10 Ben Elliston <bje@au.ibm.com>
3629 * tree-pretty-print.c (pretty_print_string): No need to handle
3630 '\0' as a special character.
3632 * tree.h: Include "hashtab.h".
3633 (iterative_hash_expr): Use hashval_t in its prototype.
3634 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3636 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3639 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3640 (hppa*64*-*-hpux11*): Ditto.
3641 (hppa[12]*-*-hpux11*): Ditto.
3643 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3646 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3648 2006-05-09 Michael Matz <matz@suse.de>
3650 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3651 host_extra_gcc_objs and host_xmake_file.
3652 (<*-*-linux*>): Don't overwrite host_xmake_file.
3653 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3654 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3655 (host_detect_local_cpu): Declare.
3656 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3657 * config/i386/i386.c (override_options): Handle -mtune=native
3659 * config/i386/x-i386: New file.
3660 * config/i386/driver-i386.c: New file.
3661 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3664 2006-05-09 Dirk Mueller <dmueller@suse.de>
3665 Richard Guenther <rguenther@suse.de>
3668 * fold-const.c (fold_read_from_constant_string): Relax check
3669 for matching types to matching modes.
3671 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3673 PR rtl-optimization/27335
3674 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3677 2006-05-08 Chao-ying Fu <fu@mips.com>
3678 Richard Sandiford <richard@codesourcery.com>
3680 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3681 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3682 * config/mips/mips.md (UNSPEC_SCC): New constant.
3683 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3684 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3685 (mips_emit_compare): Use it.
3686 (mips_expand_vcondv2sf): New function.
3688 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3690 Fix PR tree-optimization/27093
3691 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3692 renaming when they become not-used_alone.
3694 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3696 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3697 relocation and relocation stubs.
3699 2006-05-08 Eric Christopher <echristo@apple.com>
3701 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3704 2006-05-08 Jan Hubicka <jh@suse.cz>
3707 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3708 unused static functions are needed.
3710 2006-05-08 Roger Sayle <roger@eyesopen.com>
3713 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3714 of a reg_equiv_constant if the result is a legitimate constant.
3716 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3719 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3720 standard 80387 constants, raise the cost to prevent
3721 compress_float_constant() to generate load from memory.
3723 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3725 * config/arm/constraints.md (c): Fix a typo.
3727 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3730 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3733 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3735 (_mm_mwait): Likewise.
3737 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3739 (sse3_monitor): Make it 32bit only.
3740 (sse3_monitor64): New. 64bit monitor.
3742 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3745 * config/i386/i386.c (classify_argument): Skip fields with invalid
3748 2006-05-07 Richard Guenther <rguenther@suse.de>
3750 PR tree-optimization/27409
3751 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3752 Do not try to find zero-sized subvars.
3754 2006-05-07 Richard Guenther <rguenther@suse.de>
3756 PR tree-optimization/27136
3757 * tree-ssa-loop-niter.c (get_val_for): Correct function
3758 comment, assert requirements.
3759 (loop_niter_by_eval): Stop processing if the iterated
3760 value did not simplify.
3762 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3764 * opts.c (flag_see): remove its setting at -O3.
3766 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3768 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3769 * arm/constraints.md: New file.
3770 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3771 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3772 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3773 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3774 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3775 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3776 * arm.md: Include constraints.md.
3777 (thumb_movsi_insn): Use satisfies_constraint_J.
3778 (movhi, movqi): Use satisfies_constraint_I.
3780 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3782 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3783 for atmeg a645 device.
3785 2006-05-06 Richard Guenther <rguenther@suse.de>
3787 PR tree-optimization/27151
3788 * tree-vect-transform.c (vectorizable_condition): Punt on
3789 values that have a different type than the condition.
3791 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3794 * c-parser.c (c_parser_cast_expression): Only insert casts into
3795 hash table if pointer.
3796 * function.c (used_types_insert_helper): Rename from
3798 (used_types_insert): Call used_types_insert_helper.
3799 * function.h (used_types_insert): Accept only one argument.
3801 2006-05-05 David Edelsohn <edesohn@gnu.org>
3803 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3804 scratch with output modifier.
3806 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3809 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3810 with output modifier.
3812 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3815 * config/mips/mips.c (mips_symbolic_address_p): Return true
3816 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3817 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3819 2006-05-04 Richard Guenther <rguenther@suse.de>
3821 PR tree-optimization/14287
3822 PR tree-optimization/14844
3823 PR tree-optimization/19792
3824 PR tree-optimization/21608
3825 PR tree-optimization/27090
3826 * tree-ssa-pre.c (try_combine_conversion): New function.
3827 (compute_avail): After constructing the value-handle
3828 expression, use try_combine_conversion to combine NOP_EXPRs
3829 with previous value-handle expressions and use the result if it
3832 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3834 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3836 2006-05-04 Jan Hubicka <jh@suse.cz>
3839 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3841 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3843 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3844 that this only matches CONST_INTs. All users changed to VOIDmode
3847 * config/bfin/bfin.c: Include "optabs.h".
3848 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3850 (enum bfin_builtins): Add a number of fractional and vector builtins.
3851 (bfin_init_builtins): Likewise.
3852 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3853 (safe_vector_operand, bfin_expand_binop_builtin,
3854 bfin_expand_unop_builtin): New functions.
3855 (bfin_expand_builtin): Handle the new builtins.
3856 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3859 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3862 * Makefile.in (OBJS-common): Add see.o.
3863 (see.o): Add dependencies.
3864 * common.opt (fsee): New flag for the see optimization was added.
3865 * opts.c (flag_see): Initialized.
3866 * passes.c (init_optimization_passes, pass_see): New pass.
3867 * rtl.h (see_main): Declaration as extern.
3868 * timevar.def (TV_SEE): New.
3869 * tree-pass.h (pass_see): Declaration as extern.
3870 * invoke.texi (-fsee): Document.
3871 * recog.c (validate_simplify_insn): New function.
3872 * recog.h (validate_simplify_insn): Declaration as extern.
3873 * df-problems.c (df_chain_dump): Check for NULL.
3875 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3876 Daniel Berlin <dberlin@dberlin.org>
3878 * cfgrtl.c (insert_insn_bb_end_new): New function.
3879 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3881 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3883 * df.h (struct web_entry): Moved from web.c.
3884 (union_defs): Declaration as extern.
3885 (unionfind_root): Likewise.
3886 (unionfind_union): Likewise.
3887 * web.c (struct web_entry): Moved to df.h.
3888 (unionfind_root): Remove static declaration.
3889 (unionfind_union): Likewise.
3890 (union_defs): Likewise and generalize to use callback function.
3891 (web_main): Update arguments for union_defs function call.
3893 2006-05-04 Richard Guenther <rguenther@suse.de>
3895 PR tree-optimization/26447
3896 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3897 produce SSA_NAME copies before the store stmt to avoid
3898 breaking exception handling.
3900 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3903 * gimplify.c (omp_is_private): If var is shared in some outer context,
3904 return false instead of true. Stop searching on parallel context
3907 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3910 * coverage.c: Use get_gcov_unsigned_t() instead of
3911 unsigned_type_node all over.
3913 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3915 PR tree-optimization/27381
3916 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3917 maintain the same immediate_use links.
3918 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3919 node rather than segfaulting.
3921 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3924 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3925 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3926 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3928 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3930 Fix PR tree-optimization/26626
3931 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3933 * tree-ssa-operands.c (access_can_touch_variable): Allow
3934 typecasting through union pointers.
3936 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3939 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3940 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3941 to find if var will be a global variable even in the nested context.
3942 (omp_copy_decl): Only check for global variable at the end, it might
3943 be overridden in outer contexts.
3944 (scan_sharing_clauses): For global variables don't create a field.
3945 (lower_rec_input_clauses): Do nothing for global shared variables.
3946 Emit a barrier at the end of ILIST if there were any decls in both
3947 firstprivate and lastprivate clauses.
3948 (lower_send_clauses): Do nothing for global variables except for
3951 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3953 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3954 of the correct signedness is returned.
3956 2006-05-02 Jeff Law <law@redhat.com>
3958 PR tree-optimization/27364
3959 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3960 multiply expressions.
3962 2006-05-02 Tom Tromey <tromey@redhat.com>
3964 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3966 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3969 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3970 -mthumb -fPIC are used.
3972 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3973 Joshua Kinard <kumba@gentoo.org>
3976 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3977 with 64-bit pointers.
3979 2006-05-02 Paul Brook <paul@codesourcery.com>
3981 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3983 (create_fix_barrier): Check that a suitable barrier location is
3985 (arm_reorg): Include ftmp->address in allowable range of addresses.
3987 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3990 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3993 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3996 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3997 around RESULT_DECL for result passed by reference.
3998 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3999 * omp-low.c (use_pointer_for_field): Don't look at
4000 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4001 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4002 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4003 time or var for passing by reference for
4004 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4005 TREE_ADDRESSABLE variables when passing by reference.
4007 * omp-low.c (dump_omp_region): Fix output formatting.
4010 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4011 (expand_omp_parallel): Likewise.
4012 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4015 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4016 on statement list containing also constructors and destructors.
4017 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4020 * except.c (duplicate_eh_regions): Fix clearing of
4021 cfun->eh->region_array entries.
4023 2006-05-01 DJ Delorie <dj@redhat.com>
4025 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4027 (gcc_cv_objdump): Likewise.
4028 * configure: Regenerated.
4030 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4033 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4034 templates for case 3 and 4.
4036 2006-05-01 DJ Delorie <dj@redhat.com>
4038 * vec.c: Include bconfig.h when appropriate.
4039 * Makefile.in (build/vec.o): Adjust dependencies.
4040 * mkconfig.sh: Make sure config.h isn't used for build machine
4043 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4045 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4047 (mark_phi_for_rewrite): New function.
4048 (insert_phi_nodes_for, mark_use_interesting): Call
4049 mark_phi_for_rewrite.
4050 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4051 (update_ssa): Initialize and free phis_to_rewrite.
4053 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4055 PR rtl-optimization/27291
4056 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4057 folded to a constant.
4059 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4061 PR tree-optimization/27283
4062 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4063 not whole # of iteration descriptions.
4064 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4065 uses abnormal ssa name.
4066 (niter_for_single_dom_exit): Ditto.
4067 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4068 return just the number of iterations.
4070 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4072 PR tree-optimization/27144
4073 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4074 (record_estimate): Only record constant upper bound.
4075 (infer_loop_bounds_from_undefined): Call
4076 compute_estimated_nb_iterations just once.
4077 (proved_non_wrapping_p): Renamed to ...
4078 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4079 (convert_step_widening, scev_probably_wraps_p): Call
4080 n_of_executions_at_most instead of proved_non_wrapping_p.
4081 (substitute_in_loop_info): Do not replace values in bounds.
4082 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4085 2006-05-01 Richard Henderson <rth@redhat.com>
4088 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4089 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4092 2006-05-01 Roger Sayle <roger@eyesopen.com>
4094 * c-typeck.c (parser_build_binary_op): Don't call the function
4095 unsigned_conversion_warning to spot operand/result type overflow.
4096 (build_binary_op): Instead, call convert_and_check instead of
4097 convert to report the problem when the operands are promoted.
4098 * c-common.c (unsigned_conversion_warning): Make static.
4099 * c-common.h (unsigned_conversion_warning): Delete prototype.
4101 2006-05-01 Richard Guenther <rguenther@suse.de>
4103 PR tree-optimization/26726
4104 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4106 (find_interesting_uses_address): ... we work around here
4107 by folding INDIRECT_REFs in the substituted base.
4109 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4111 * omp-low.c (dump_omp_region): Add newlines.
4113 2006-04-30 Roger Sayle <roger@eyesopen.com>
4115 * common.opt (Woverflow): New command line option.
4116 * c-common.c (constant_expression_warning): Check warn_overflow.
4117 (overflow_waring): Pass OPT_Woverflow to warning.
4118 (unsigned_conversion_warning): Likewise.
4119 (convert_and_check): Likewise.
4120 * doc/invoke.texi: Document new command line option.
4122 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4124 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4125 TARGET_NO_FP_IN_TOC for section anchors.
4126 (optimization_options): Enable section anchors for all
4127 non-"Objective" languages.
4129 2006-04-28 Eric Christopher <echristo@apple.com>
4131 * config/darwin-c.c (darwin_ms_struct): Move this
4132 (darwin_set_default_type_attributes): and this...
4133 * config/darwin.c: ... here.
4134 * config/darwin.h (darwin_ms_struct): Declare.
4136 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4138 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4140 2006-04-28 Roger Sayle <roger@eyesopen.com>
4143 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4144 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4145 an unsigned HOST_WIDE_INT.
4146 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4148 (really_start_incremental_init): No need to call convert because
4149 bitsize_zero_node is already of type bitsizetype.
4150 (push_init_level): Extract the value of constructor_index as an
4151 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4152 (process_init_element): Likewise.
4154 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4156 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4157 value before passing to make_relative_prefix.
4159 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4162 * builtins.c (expand_builtin_memset): Expand val in original mode.
4164 2006-04-27 Eric Christopher <echristo@apple.com>
4166 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4167 with #ifndef/#endif.
4168 * config/darwin-c.c (darwin_ms_struct): New.
4169 (darwin_pragma_ms_struct): Ditto.
4170 (darwin_set_default_type_attributes): Ditto.
4171 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4172 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4173 Register ms_struct pragma.
4174 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4175 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4176 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4177 darwin_set_default_type_attributes if TARGET_MACHO.
4179 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4181 PR tree-optimization/26854
4182 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4183 * doc/tree-ssa.texi: Update immuse iterator documentation.
4184 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4185 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4186 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4187 first_safe_imm_use, next_safe_imm_use): Remove.
4188 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4189 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4190 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4191 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4192 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4193 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4194 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4195 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4196 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4197 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4198 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4199 (perfect_nestify): Use new iterator.
4200 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4202 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4203 (next_imm_name): New field in struct immediate_use_iterator_d.
4204 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4205 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4206 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4207 * tree-cfg.c (replace_uses_by): Use new iterator.
4208 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4209 * tree-ssa-operands.c (correct_use_link): Remove.
4210 (finalize_ssa_use_ops): No longer call correct_use_link.
4212 2006-04-27 Stuart Hastings <stuart@apple.com>
4214 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4215 * config/t-darwin (crt3.o): Use it.
4216 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4217 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4218 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4219 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4220 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4223 2006-04-27 Roger Sayle <roger@eyesopen.com>
4225 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4226 size, force the intermediate into a new pseudo rather instead of
4227 performing both a bitwise AND and a bitwise IOR in memory.
4229 2006-04-27 Richard Guenther <rguenther@suse.de>
4231 PR rtl-optimization/26685
4232 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4233 this one "max-flow-memory-locations".
4235 2006-04-27 Richard Guenther <rguenther@suse.de>
4237 PR tree-optimization/25148
4238 * tree-vrp.c (compare_values): Remove code dealing with
4239 comparisons against type min/max value. Honour overflow
4240 and negative constants in code dealing with comparisons
4241 of plus and minus expressions.
4242 (value_inside_range): Use fold_binary with LE_EXPR and
4243 GE_EXPR rather than compare_values.
4245 2006-04-27 Dirk Mueller <dmueller@suse.de>
4247 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4250 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4252 * basic-block.h (safe_insert_insn_on_edge): Removed.
4253 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4255 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4256 Paolo Bonzini <bonzini@gnu.org>
4259 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4260 (simplify_and_const_int): Same.
4262 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4264 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4266 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4269 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4270 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4271 cgraph_global_info_ready.
4274 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4277 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4278 either decl or init is error_mark_node.
4281 * tree-flow.h (struct omp_region): Add sched_kind.
4282 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4283 instead of extracting omp for data.
4284 (expand_omp_for): Save extracted sched_kind.
4286 2006-04-25 Roger Sayle <roger@eyesopen.com>
4288 * expmed.c (store_bit_field): Also check whether the bitsize is
4289 valid for the machine's "insv" instruction before moving the
4290 target into a pseudo for use with the insv.
4291 * config/i386/predicates.md (const8_operand): New predicate.
4292 * config/i386/i386.md (extv, extzv, insv): Use the new
4293 const8_operand predicate where appropriate.
4295 2006-04-25 DJ Delorie <dj@redhat.com>
4297 * doc/install.texi (Specific): Clarify that this is not a list of
4298 supported hosts or targets.
4300 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4302 PR rtl-optimization/26725
4303 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4304 block's BB_DIRTY flag.
4306 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4308 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4311 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4312 to print an integer.
4314 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4316 * varasm.c (align_variable): New function.
4317 (get_block_for_decl): Apply align_variable to DECL before
4318 calculating section information.
4319 (assemble_variable): Split out alignment computation.
4321 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4323 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4326 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4328 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4329 MODE_PARTIAL_INT mode.
4330 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4331 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4333 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4334 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4336 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4338 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4340 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4341 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4342 MACFLAG_IH): Likewise.
4343 (movstricthi_1): Renamed from "*movstricthi".
4344 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4345 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4346 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4347 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4348 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4349 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4350 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4351 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4352 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4353 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4354 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4355 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4356 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4357 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4358 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4360 * doc/rtl.texi (ss_ashift): Improve wording.
4362 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4364 * dwarf2out.c (verify_marks_clear): New.
4365 (prune_unused_types): Call verify_marks_clear initially, not
4368 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4370 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4371 * doc/rtl.texi: Document them.
4372 * simplify-rtx.c (simplify_unary_operation,
4373 simplify_binary_operation_1): Don't abort when we see them.
4375 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4378 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4379 * configure.ac: Completely disregard languages that are not
4381 * configure: Regenerated.
4383 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4384 Richard Guenther <rguenther@suse.de>
4386 PR tree-optimization/27236
4387 * tree-inline.c (copy_body_r): Make sure to copy
4388 TREE_THIS_VOLATILE flag.
4390 2006-04-24 Richard Guenther <rguenther@suse.de>
4393 * tree-complex.c (update_parameter_components): Don't handle
4394 unused parameters which have no default def.
4396 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4397 Richard Guenther <rguenther@suse.de>
4399 PR tree-optimization/27218
4400 * tree-inline.c (expand_call_inline): Strip useless type
4401 conversions for the return slot address.
4403 2006-04-24 Richard Guenther <rguenther@suse.de>
4405 * cfgloop.h (struct loops): Remove unused field array. Reorder
4407 (LOOP_PREFETCH): Remove.
4409 2006-04-24 Richard Guenther <rguenther@suse.de>
4411 PR tree-optimization/22525
4412 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4413 variable, adjust types of generated expressions.
4415 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4417 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4418 (tree-vect-patterns.o): Likewise.
4420 (cselib.o): Likewise.
4421 (loop-doloop.o): Likewise.
4422 (regclass.o): Likewise.
4423 (reload1.o): Likewise.
4424 (explow.o): Replace target.h with $(TARGET_H).
4425 (ipa-prop.o): Likewise.
4426 (ipa-cp.o): Likewise.
4427 (ipa-inline.o): Likewise.
4428 (reorg.o): Likewise.
4429 (reg-stack.o): Likewise.
4431 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4433 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4435 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4437 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4439 * configure.ac: Completely disregard languages that are not
4441 * configure: Regenerated.
4444 * c-common.h (c_build_bitfield_integer_type): Declare.
4445 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4446 * c-common.c (c_build_bitfield_integer_type): ... here.
4448 2006-04-23 Roger Sayle <roger@eyesopen.com>
4451 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4452 a SImode SUBREG of a floating point register after no_new_pseudos.
4454 2006-04-23 Roger Sayle <roger@eyesopen.com>
4456 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4457 identify potentially eliminable registers to additionally catch
4458 VIRTUAL_INCOMING_ARGS_REGNUM.
4459 (addsi3): Update the conditions on when to use addsi_small_int.
4461 2006-04-23 Roger Sayle <roger@eyesopen.com>
4464 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4465 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4466 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4468 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4470 * fold-const.c (range_predecessor): Use operand_equal_p
4471 as the predicate for equality.
4472 (range_successor): Likewise.
4474 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4477 * config/soft-fp/op-common.h: Fix a typo.
4479 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4482 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4483 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4485 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4487 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4489 * doc/tm.texi: Fix a typo.
4491 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4493 * dwarf2out.c (struct die_struct): Document that die_sib makes
4494 a circular linked list.
4495 (FOR_EACH_CHILD): New.
4496 (reverse_die_lists): Delete.
4497 (reverse_all_dies): Delete.
4498 (add_dwarf_attr): Correct documentation.
4499 (remove_child_with_prev): New.
4500 (remove_child_TAG): Update for change to die_struct, use
4501 remove_child_with_prev.
4502 (add_child_die): Update for change to die_struct.
4503 (splice_child_die): Use remove_child_with_prev and add_child_die.
4504 (print_die): Use FOR_EACH_CHILD.
4505 (die_checksum): Likewise.
4506 (assign_symbol_names): Likewise.
4507 (output_location_lists): Likewise.
4508 (build_abbrev_table): Likewise.
4509 (calc_die_sizes): Likewise.
4510 (mark_dies): Likewise.
4511 (unmark_dies): Likewise.
4512 (unmark_all_dies): Likewise.
4513 (output_die): Likewise.
4514 (prune_unused_types_mark): Likewise.
4515 (prune_unused_types_walk): Likewise.
4516 (same_die_p): Update for change to die_struct.
4517 (break_out_includes): Likewise.
4518 (prune_unused_types_prune): Likewise.
4519 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4520 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4522 (dwarf2out_finish): Don't call reverse_all_dies.
4524 2006-04-21 Eric Christopher <echristo@apple.com>
4526 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4527 in comments and function names.
4529 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4532 * c-typeck.c (digest_init): Robustify.
4534 * c-typeck.c (pop_init_level): Simplify.
4536 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4538 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4540 2006-04-21 Paul Brook <paul@codesourcery.com>
4542 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4543 hardware floating point.
4545 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4547 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4550 2006-04-21 Nick Clifton <nickc@redhat.com>
4552 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4555 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4558 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4559 C++ lang type in traceback table for Objective-C++.
4561 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4563 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4565 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4567 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4570 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4571 were errors. Remove check for erroneous objects.
4573 2006-04-20 Jeff Law <law@redhat.com>
4575 PR tree-optimization/26854
4576 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4577 checking for zero or one use.
4578 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4579 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4580 * tree-ssa-reassoc.c (negate_value): Similarly.
4581 (reassociate_bb): Similarly.
4583 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4585 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4586 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4587 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4589 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4591 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4592 fp regs if the last fp arg doesn't fit in regs.
4594 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4597 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4598 that the last insn has the REG_INC note.
4600 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4601 Nathan Sidwell <nathan@codesourcery.com>
4604 * stor-layout.c (update_alignment_for_field): Do not align
4606 (place_union_field): Place union field at the start of the union.
4607 (place_field): Move ERROR_MARK check later, and use the current
4608 allocation position to maintain monotonicity.
4610 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4612 * dominance.c: Include timevar.h.
4613 (calculate_dominance_info): Use TV_DOMINANCE.
4614 * timevar.def (TV_DOMINANCE): New timevar.
4615 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4617 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4619 PR rtl-optimization/14261
4620 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4621 move would be an INSV insn.
4622 (noce_process_if_block): Don't optimize if the destination is a
4623 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4625 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4627 * config/s390/s390.md: Add comments with the instructions emitted
4628 by an insn pattern if macros are used.
4630 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4632 PR rtl-optimization/26026
4633 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4634 is a known power of two shifted left a variable amount.
4636 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4638 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4639 to hash table twice when the debug_str section has SECTION_MERGE.
4641 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4643 * config/soft-fp: New directory. From glibc.
4644 * config/soft-fp/t-softfp: New.
4645 * config/soft-fp/README: New.
4646 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4647 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4648 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4649 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4650 * config.gcc: Use rs6000/t-fprules-fpbit or
4651 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4653 * config/rs6000/sfp-machine.h: New. Based on glibc.
4654 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4656 * config/rs6000/t-fprules: Remove fp-bit rules.
4657 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4658 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4659 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4660 (softfp_wrap_start, softfp_wrap_end): New.
4662 2006-04-18 DJ Delorie <dj@redhat.com>
4664 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4666 2006-04-18 Devang Patel <dpatel@apple.com>
4668 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4670 2006-04-18 Nick Clifton <nickc@redhat.com>
4672 * config/sh/t-symbian: Add rule to build sh-c.o
4673 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4674 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4675 (sh_symbian_encode_section_info): Likewise.
4677 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4679 * builtins.c (expand_builtin_strcmp): Cover label definition of
4680 do_libcall with HAVE_cmpstrnsi.
4682 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4684 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4686 * function.h (temp_slot_p): New.
4687 (function): Change the type of x_used_temp_slots to
4688 VEC(temp_slot_p,gc) *.
4690 2006-04-18 Nick Clifton <nickc@redhat.com>
4692 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4693 flag_strength_reduce.
4695 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4697 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4701 Partial revert of revision 112637
4702 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4703 Dale Johannesen <dalej@apple.com>
4706 * regclass.c (struct reg_pref): Update documentation.
4707 (regclass): Set prefclass to NO_REGS if memory is the best option.
4708 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4710 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4712 PR tree-optimization/26821
4713 * tree-ssa-math-opts.c (get_constant_one): New.
4714 (insert_reciprocals): Use it.
4716 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4718 * dwarf2out.c (free_AT): Delete.
4719 (remove_AT): Update string ref counts.
4720 (remove_child_TAG): Don't call free_die.
4722 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4723 or DW_TAG_GNU_EINCL.
4724 (prune_unused_types_walk_attribs): Reset string refcounts.
4725 (prune_unused_types_update_strings): New.
4726 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4727 call free_die. Do call prune_unused_types_update_strings.
4728 (prune_unused_types): Empty debug_str_hash.
4730 2006-04-17 Roger Sayle <roger@eyesopen.com>
4732 * expr.c (expand_assignment): Optimize away no-op moves where the
4733 source and destination are equal and have no side-effects.
4735 2006-04-17 Richard Guenther <rguenther@suse.de>
4738 * reload.c (push_reload): Guard calls to get_secondary_mem
4741 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4743 * alias.c (reg_base_value, old_reg_base_value): Change the
4744 type to VEC(rtx,gc) *.
4745 (REG_BASE_VALUE, find_base_value, record_set,
4746 init_alias_analysis): Use VEC instead of VARRAY.
4748 * alias.c (alias_sets): Change the type to
4749 VEC(alias_set_entry,gc) *.
4750 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4751 VEC instead of VARRAY.
4752 (last_alias_set): Remove.
4754 * cgraph.h (cgraph_edge_p): New.
4755 Update the prototype of cgraph_function_versioning.
4756 * cgraphunit.c (cgraph_copy_node_for_versioning,
4757 cgraph_function_versioning): Use VEC instead of VARRAY.
4758 * ipa-cp.c (ipcp_insert_stage): Likewise.
4760 2006-04-16 Roger Sayle <roger@eyesopen.com>
4763 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4764 "A op B" or "A op C", we may need to convert A to the type of B and C.
4766 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4768 * target.h (struct gcc_target): Add mode_rep_extended.
4769 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4770 (init_num_sign_bit_copies_in_rep): Initialize it using
4772 (truncate_to_mode): Use it.
4773 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4774 * targhooks.h (default_mode_rep_extended): Declare it.
4775 * targhooks.c (default_mode_rep_extended): Define it.
4776 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4777 default_mode_rep_extended.
4778 (TARGET_INITIALIZER): Include it.
4779 * doc/tm.texi (Misc): Document it.
4780 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4781 (mips_truncated_to_mode): New function.
4783 2006-04-16 Roger Sayle <roger@eyesopen.com>
4786 * expr.c (compress_float_constant): Copy the narrow constant into
4787 a new pseudo before extending it to its final width.
4789 2006-04-16 Roger Sayle <roger@eyesopen.com>
4790 Andrew Pinski <pinskia@gcc.gnu.org>
4791 Dale Johannesen <dalej@apple.com>
4794 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4795 special case code to implement V8HImode and V16QImode with SSE2.
4797 2006-04-15 Roger Sayle <roger@eyesopen.com>
4799 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4800 trees are constructed with a suitable tree type.
4802 2006-04-15 Roger Sayle <roger@eyesopen.com>
4804 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4805 (integer_onep): Likewise.
4806 (integer_all_onesp): Likewise.
4807 (integer_pow2p): Likewise.
4808 (integer_nonzerop): Likewise.
4809 (real_zerop): Likewise.
4810 (real_onep): Likewise.
4811 (real_twop): Likewise.
4812 (real_minus_onep): Likewise.
4813 (int_size_in_bytes): Likewise.
4814 (host_integerp): Likewise.
4816 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4818 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4819 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4820 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4822 * tree-ssa-structalias.h (alias_info): Remove num_references.
4824 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4826 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4827 (output_bvb patterns): Likewise.
4828 * pa.c (output_bb): Use 'bb' insn for long branch case.
4829 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4830 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4831 1. Correct length operand for alternatives 1 and 2.
4832 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4833 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4835 2006-04-14 Roger Sayle <roger@eyesopen.com>
4837 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4838 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4839 were accidentally reverted by r112959.
4841 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4844 * except.h (eh_region_outermost): New prototype.
4845 * except.c (eh_region_outermost): New function.
4846 * tree-cfg.c (find_outermost_region_in_block): Use it.
4848 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4850 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4852 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4853 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4854 (init_reload, reload): Use VEC instead of VARRAY.
4855 * reload.h: Update the prototype for
4856 reg_equiv_memory_loc_varray.
4858 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4859 Eric Botcazou <ebotcazou@libertysurf.fr>
4861 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4864 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4867 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4868 to expand fallback builtin function call.
4870 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4873 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4874 and emit libcall here in case the builtin fails.
4875 (expand_builtin_strcmp): Always emit the libcall here on failure.
4877 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4879 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4880 * flow.c (reg_n_info): Change the type to
4881 VEC(reg_info_p,heap) *.
4882 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4884 * regs.h (reg_info_p): New.
4885 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4886 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4887 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4890 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4892 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4894 * params.h (MAX_SCHED_READY_INSNS): New macro.
4895 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4896 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4897 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4898 the ready list for 1 cycle during the first scheduling pass.
4899 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4901 2006-04-13 Richard Henderson <rth@redhat.com>
4904 * gimple-low.c (lower_omp_directive): Remove dead code.
4905 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4906 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4907 * omp-low.c (struct omp_region): Move to tree-flow.h.
4908 (root_omp_region): Export.
4909 (omp_regions, lookup_omp_region): Remove.
4910 (determine_parallel_type): Update for struct omp_region changes.
4911 (dump_omp_region): Dump regions with block numbers.
4912 (new_omp_region): Take type and block instead of stmt; malloc
4914 (free_omp_region_1, free_omp_regions): New.
4915 (expand_parallel_call): Take entry_stmt as argument; update for
4916 changes to omp_region.
4917 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4918 (remove_exit_barriers): New.
4919 (expand_omp_parallel): Update for struct omp_region changes.
4920 (expand_omp_synch): Likewise.
4921 (expand_omp): Likewise.
4922 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4923 (expand_omp_for_static_chunk): Likewise.
4924 (expand_omp_for): Likewise.
4925 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4926 (expand_omp_sections): Similarly, with GOMP_sections_end.
4927 (expand_omp_single): New.
4928 (build_omp_regions_1): Update for OMP_CONTINUE.
4929 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4930 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4931 OMP_SECTIONS_SECTIONS.
4932 (lower_omp_single_simple): Don't emit barrier here.
4933 (lower_omp_single_copy): Likewise.
4934 (lower_omp_single): Fix bindings, and lower to straightline now.
4935 (lower_omp_master, lower_omp_ordered): Likewise.
4936 (lower_omp_critical): Likewise.
4937 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4938 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4939 omp edges, free it afterward.
4940 (make_omp_sections_edges): Remove.
4941 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4942 (move_stmt_r): Handle OMP_CONTINUE.
4943 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4944 statement pointers to basic blocks. Add type member.
4945 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4946 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4947 * tree-inline.c (estimate_num_insns_1): Likewise.
4948 * tree-pretty-print.c (dump_generic_node): Likewise.
4949 * tree-ssa-operands.c (get_expr_operands): Likewise.
4950 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4951 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4952 (OMP_CONTINUE): New.
4953 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4954 (OMP_SECTIONS_SECTIONS): Remove.
4955 (OMP_SECTION_LAST): New.
4956 (OMP_RETURN_NOWAIT): New.
4958 2006-04-13 Roger Sayle <roger@eyesopen.com>
4960 * fold-const.c (native_encode_vector, native_interpret_real):
4961 Correct obvious mistakes in the previous check-in.
4963 2006-04-13 Roger Sayle <roger@eyesopen.com>
4965 * fold-const.c (native_encode_expr): New function to encode
4966 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4967 or VECTOR_CST into a specified buffer.
4968 (native_encode_int): New function.
4969 (native_encode_real): New function.
4970 (native_encode_complex): New function.
4971 (native_encode_vector): New function.
4972 (native_interpret_expr): Inverse of native_encode_expr to convert
4973 a target representation into an INTEGER_CST, REAL_CST etc...
4974 (native_interpret_int): New function.
4975 (native_interpret_real): New function.
4976 (native_interpret_complex): New function.
4977 (native_interpret_vector): New function.
4978 (fold_view_convert_expr): New function to constant fold/evaluate
4979 a VIEW_CONVERT_EXPR of a suitable constant expression.
4980 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4981 Change call of build1 to fold_build1 when constructing a
4984 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4985 Ulrich Weigand <uweigand@de.ibm.com>
4988 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4991 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4994 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4995 optimize to lo_sum for DFmode if !TARGET_FPRS.
4997 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4999 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5000 delete_alias_info, compute_flow_sensitive_aliasing,
5001 group_aliases): Use VEC instead of VARRAY.
5002 * tree-ssa-structalias.c (update_alias_info): Likewise.
5003 * tree-ssa-structalias.h (alias_info): Change the type of
5004 processed_ptrs to VEC(tree,heap) *.
5006 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5009 * config/sh/lib1funcs.h: New file, broken out of:
5010 * config/sh/lib1funcs.asm.
5011 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5013 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5014 * config/sh/lib1funcs-Os-4-200.asm: New file.
5015 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5016 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5017 (EXTRA_MULTILIB_PARTS): Include it.
5018 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5019 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5020 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5021 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5024 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5026 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5027 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5028 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5030 * tree-ssa-live.h: Include vecprim.h.
5031 (tree_partition_associator_d): Change the type of
5032 first_partition to VEC(int,heap) *.
5033 (tpa_first_partition): Use VEC instead of VARRAY.
5035 * Makefile.in (GTFILES): Move functions.h after tree.h.
5036 * function.c (reset_block_changes, record_block_change,
5037 check_block_change, free_block_changes): Use VEC instead of
5039 * function.h (function): Change the type of
5040 ib_boundaries_block to VEC(tree,gc) *.
5041 * tree-inline.c (copy_cfg_body): Initialize
5042 ib_boundaries_block to NULL instead of (varray_type) 0.
5044 2006-04-12 Roger Sayle <roger@eyesopen.com>
5046 * expr.c (emit_group_store): Correct operand order in call to
5047 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5048 a SUBREG_BYTE of zero.
5050 2006-04-12 Richard Guenther <rguenther@suse.de>
5052 * profile.c (compute_branch_probabilities): Remove code
5053 encapsulated in !ir_type (), which are remanents of the
5054 removed RTL profiling code.
5055 * rtl-profile.c: Remove.
5057 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5059 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5060 magic NULL_RTX comment.
5061 (function_arg): Store entire fp arg to mem if any part should go
5063 (rs6000_arg_partial_bytes): Adjust for above change.
5065 2006-04-11 Roger Sayle <roger@eyesopen.com>
5067 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5068 if it hasn't been initialized by dwarf2out_init.
5070 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5072 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5073 symbolic constants in branch patterns.
5075 2006-04-11 Roger Sayle <roger@eyesopen.com>
5077 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5079 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5081 PR rtl-optimization/27073
5082 * gcse.c (try_replace_reg): Revert last change. Continue to search
5083 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5086 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5088 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5089 aggregate types other than record and union types.
5090 (function_arg): Likewise.
5091 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5093 (function_value): In 64-bit mode, return objects that require it
5096 2006-04-11 Roger Sayle <roger@eyesopen.com>
5098 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5100 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5102 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5104 2006-04-03 Jeff Law <law@redhat.com>
5107 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5108 alias information too.
5110 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5112 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5114 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5117 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5118 (premark_used_types_helper): New.
5119 (premark_used_types): New.
5120 (gen_subprogram_die): Call premark_used_types.
5121 (prune_unused_types_walk): Do not prune perennial dies.
5122 * function.c (used_types_insert): New.
5123 * function.h (struct function): Add used_types_hash field.
5124 (used_types_insert): Add prototype.
5125 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5126 * c-parser.c (c_parser_cast_expression): Save casted types in used
5129 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5132 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5133 rs6000_explicit_options.float_gprs.
5135 2006-04-10 Roger Sayle <roger@eyesopen.com>
5137 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5138 from ix86_expand_vector_init_low_nonzero. Take an additional
5139 one_var argument indicating which element is non-zero. Support
5140 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5141 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5142 with one_var instead of ix86_expand_vector_init_low_nonzero.
5144 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5146 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5147 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5148 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5149 build/genextract.o): Depend on vecprim.h.
5150 * cfglayout.c, df-problems.c, function.c, genextract.c,
5151 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5152 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5156 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5158 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5159 Declare VECs of this type.
5160 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5161 (remove_children): Delete.
5162 (add_dwarf_attr): Use VEC routines.
5163 (add_AT_flag): Update for changes to add_dwarf_attr.
5164 (add_AT_int): Likewise.
5165 (add_AT_unsigned): Likewise.
5166 (add_AT_long_long): Likewise.
5167 (add_AT_vec): Likewise.
5168 (add_AT_string): Likewise.
5169 (add_AT_die_ref): Likewise.
5170 (add_AT_fde_ref): Likewise.
5171 (add_AT_loc): Likewise.
5172 (add_AT_loc_list): Likewise.
5173 (add_AT_addr): Likewise.
5174 (add_AT_lbl_id): Likewise.
5175 (add_AT_lineptr): Likewise.
5176 (add_AT_macptr): Likewise.
5177 (add_AT_offset): Likewise.
5178 (add_AT_range_list): Likewise.
5179 (get_AT): Use VEC_iterate.
5180 (remove_AT): Use VEC_ordered_remove.
5181 (free_die): Fold remove_children into here; have it use VEC_iterate.
5182 (print_die): Use VEC_iterate on attrs.
5183 (reverse_die_lists): Don't reverse attr lists.
5184 (die_checksum): Use VEC_iterate on attrs.
5185 (same_die_p): Likewise.
5186 (output_location_lists): Likewise.
5187 (build_abbrev_table): Likewise.
5188 (size_of_die): Likewise.
5189 (unmark_all_dies): Likewise.
5190 (output_abbrev_section): Likewise.
5191 (output_die): Likewise.
5192 (prune_unused_types_walk_attribs): Likewise.
5194 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5196 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5198 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5201 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5203 2006-04-09 Roger Sayle <roger@eyesopen.com>
5205 * expr.c (store_constructor): Don't bother clearing target if
5206 we're about to assign a vector to it using vec_init_optab.
5208 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5210 * tree-ssa-alias.c (lhs_may_store_to): New function.
5211 (recalculate_used_alone): Handle LHS of calls.
5213 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5217 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5218 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5219 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5220 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5221 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5222 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5223 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5224 stubs. Add ".align 8" directives before all ".dword" directives.
5225 (GTHREAD_USE_WEAK): Revise comment.
5226 (TARGET_ATTRIBUTE_WEAK): Define.
5227 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5228 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5229 * stublib.c: New file.
5234 * pa.md (cbranch patterns): Revise arguments used in calls to
5235 output_cbranch, output_bb and output_bvd. Add long branch length
5237 (fbranch patterns): Handle long branches.
5238 (jump): Revise length check. Revise arguments for output_lbranch call.
5239 Add long branch length attributes.
5240 (decrement_and_branch_until_zero): Add long branch length attributes.
5241 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5242 Likewise. Revise arguments for output_parallel_addb and
5243 output_parallel_movb calls.
5244 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5245 output_parallel_movb and output_parallel_addb): Update prototypes.
5246 * pa.c (output_cbranch): Revise arguments. Correct handling of
5247 nullification in long branches.
5248 (output_lbranch): Add new argument to control extraction of delay
5250 (output_bb): Handle long branches.
5251 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5252 output_parallel_addb): Likewise.
5254 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5256 PR rtl-optimization/27073
5257 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5260 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5262 * tree.h (tree_memory_tag): Add old_used_alone.
5263 (SMT_OLD_USED_ALONE): New macro.
5264 * tree-ssa-alias.c (recalculate_used_alone): Stop
5265 marking things for renaming unnecessarily.
5267 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5269 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5270 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5271 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5272 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5273 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5274 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5275 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5276 spelling convensions.
5277 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5278 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5279 typos. Follow spelling conventions.
5281 2006-04-07 DJ Delorie <dj@redhat.com>
5283 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5284 passed on the stack.
5285 (m32c_init_cumulative_args): When a function returns a structure,
5286 always pass the pointer to that return area on the stack.
5287 (m32c_function_arg_advance): Don't increment the parameter number
5288 if we're processing the returned structure pointer.
5289 (pushm_info): Reverse order of registers.
5291 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5293 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5294 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5295 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5296 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5298 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5299 chrec_fold_multiply): Same.
5300 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5301 force_expr_to_var_cost): Same.
5302 * tree-mudflap.c (mf_xform_derefs_1): Same.
5303 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5305 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5307 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5308 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5311 2006-04-07 Jan Hubicka <jh@suse.cz>
5313 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5315 2006-04-07 Richard Guenther <rguenther@suse.de>
5317 PR tree-optimization/26135
5318 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5319 loads for store copy-prop.
5320 (copy_prop_visit_stmt): Likewise.
5322 2006-04-05 Robert Millan <robertmh@gnu.org>
5324 * config/i386/linux.h: Add a comment to mark macros that are
5325 being overriden in config/k*bsd-gnu.h.
5326 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5328 * config/knetbsd-gnu.h: Ditto.
5330 2006-04-06 Jan Hubicka <jh@suse.cz>
5334 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5337 2006-04-06 Mike Stump <mrs@apple.com>
5339 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5340 for HAVE_nonlocal_goto to be consistent.
5341 (expand_builtin_nonlocal_goto): Likewise.
5342 (expand_builtin_strcmp): Use #ifdef instead of #if
5343 for HAVE_cmpstrnsi to be consistent.
5345 2006-04-05 DJ Delorie <dj@redhat.com>
5347 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5350 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5352 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5353 got-relative addressing for anything but SImode.
5355 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5356 even if the calling function doesn't modify them.
5358 2006-04-05 Richard Guenther <rguenther@suse.de>
5360 PR tree-optimization/26919
5361 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5362 to cgraph_estimate_size_after_inlining.
5364 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5366 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5368 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5370 PR tree-optimization/26996
5371 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5372 VECTOR_TYPE variables.
5374 2006-04-05 Richard Guenther <rguenther@suse.de>
5376 PR tree-optimization/26763
5377 * fold-const.c (fold_comparison): Move folding of
5378 PTR + CST CMP PTR + CST ...
5379 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5381 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5383 * doc/install.texi (Prerequisites): Refine some wording on
5384 bootstrapping and ksh.
5385 Move the version numbers of DejaGnu here from the testing section
5386 and fix casing of names.
5387 Fix markup and clarify wording for autogen requirements.
5388 Refer to GCJ instead of just java.
5389 Refer to SVN instead of CVS.
5390 Describe diffutils as useful instead of necessary.
5391 (Downloading the source): Refer to SVN instead of CVS.
5392 Adjust a link to our web site accordingly.
5393 (Configuration): Fix casing of Bison.
5394 (Building): Refer to SVN instead of CVS.
5395 Fix a sentence on the use of Bison and remove duplicate (and
5396 incorrect) version number of Bison requirement.
5397 Remove one redundant list of packages needed for building.
5398 (Specific): Avoid reference to CVS.
5400 2006-04-04 Eric Christopher <echristo@apple.com>
5402 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5403 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5404 (rs6000_handle_struct_attribute): New.
5405 (rs6000_ms_bitfield_layout_p): Ditto.
5407 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5409 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5410 NULL for dso parameter to atexit_common.
5412 2006-04-04 Eric Christopher <echristo@apple.com>
5414 * config/i386/i386.c (machopic_output_stub): Output \t
5415 between instructions and operands.
5417 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5419 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5420 satisfies_constraint_[IL] to explicit tests on value.
5422 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5424 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5425 set_nb_iterations_in_loop): Use build_int_cst instead of
5427 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5428 build_int_cst instead of convert.
5430 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5432 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5433 new value 2 for incoming.
5434 * function.c (expand_function_start): Call struct_value_rtx
5436 * config/sparc/sparc.md: Comment updated_return.
5437 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5438 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5439 struct return if sparc_std_struct_return and incoming is 2.
5440 (print_operand): Do not adjust return if
5441 sparc_std_struct_return.
5443 2006-04-04 Roger Sayle <roger@eyesopen.com>
5445 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5446 convert in the middle-end.
5447 * expr.c (store_expr, store_constructor, get_inner_reference,
5448 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5450 * tree.c (build_range_type): Likewise.
5452 2006-04-04 Tom Tromey <tromey@redhat.com>
5454 * doc/install.texi (Prerequisites): Mention jar.
5456 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5458 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5461 2006-04-04 Matthias Klose <doko@debian.org>
5463 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5464 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5467 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5469 * doc/extend.texi (Function Attributes): Rewrite visibility
5470 attribute documentation.
5471 * doc/invoke.texi (C++ Dialect Options): Rewrite
5472 -fvisibility-inlines-hidden documentation to describe something
5473 entirely different, although in practise compatible.
5474 (Code Gen Options): Warn about system headers in -fvisibility=
5477 * doc/extend.texi (Other Builtins): Document that
5478 __builtin_nan is a compile-time constant only when its argument
5481 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5483 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5484 trying to remove TRUNCATE check if all bits outside the new mode
5485 are identical to the sign bit.
5487 2006-04-03 Jeff Law <law@redhat.com>
5489 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5490 and operand scanning in some common cases.
5492 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5493 Dale Johannesen <dalej@apple.com>
5496 * regclass.c (struct reg_pref): Update documentation.
5497 (regclass): Set prefclass to NO_REGS if memory is the best option.
5498 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5499 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5500 into account. For non-registers, equate an empty preferred
5501 reload class to a `!' in the constraint; move the if clause to
5502 do so after those that reject the insn.
5503 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5505 (find_dummy_reload): Likewise.
5506 * doc/tm.texi (Register Classes): Document what it means
5507 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5508 * config/i386/i386.c (ix86_preferred_reload_class): Force
5509 using SSE registers (and return NO_REGS for floating-point
5510 constants) if math is done with SSE.
5511 (ix86_preferred_output_reload_class): New.
5512 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5513 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5514 * config/i386/i386.md: Remove # register preferences.
5516 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5519 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5520 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5521 the type of nb_iter.
5522 (instantiate_parameters_1): Convert the operands before calling
5523 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5524 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5526 2006-04-02 Roger Sayle <roger@eyesopen.com>
5528 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5529 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5531 * dojump.c (do_jump): Likewise.
5532 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5533 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5534 gimplify_boolean_expr): Likewise.
5535 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5536 * varasm.c (array_size_for_constructor): Likewise.
5537 * tree-object-size.c (compute_object_offset): Likewise.
5539 2006-04-02 Roger Sayle <roger@eyesopen.com>
5542 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5543 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5545 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5547 PR tree-optimization/26939
5548 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5550 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5552 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5553 at_stmt. Convert the type of operands before calling
5554 build_polynomial_chrec.
5555 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5557 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5558 (instantiate_parameters_1): Convert the type of operands before calling
5559 build_polynomial_chrec.
5560 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5561 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5562 reset_evolution_in_loop): Insert asserts to check the types of the
5564 (chrec_type): Moved...
5565 (eq_evolutions_p): Use operand_equal_p.
5566 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5567 the types of the operands.
5568 (chrec_type): ...here.
5569 * tree-data-ref.c (create_data_ref): Convert the operands before
5570 calling chrec_replace_initial_condition.
5571 (same_access_functions, analyze_subscript_affine_affine,
5572 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5573 (compute_subscript_distance, analyze_ziv_subscript,
5574 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5575 analyze_miv_subscript): Convert the operands before calling
5576 chrec_fold_minus or chrec_fold_plus.
5578 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5580 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5581 the dependence_relations vector.
5582 (compute_data_dependences_for_loop): Adjust call to
5583 compute_all_dependences.
5585 2006-04-01 Roger Sayle <roger@eyesopen.com>
5586 Richard Henderson <rth@redhat.com>
5588 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5589 gimple_boolify on the condition before calling gimplify_expr.
5591 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5593 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5594 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5595 the frame size. Update to use the new macros.
5596 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5597 * config/xtensa/ieee754-df.S: Likewise.
5599 2006-03-31 Richard Henderson <rth@redhat.com>
5601 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5602 (make_edges): ... here. Control fallthru creation with a local
5603 variable. Do not play with fake edges.
5604 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5605 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5608 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5610 * dwarf2.h (DW64_CIE_ID): Define.
5611 * dwarf2out.c (DWARF_CIE_ID): Define.
5612 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5613 length header. Use DWARF_CIE_ID.
5614 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5615 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5617 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5619 * config/sh/linux-atomic.asm: New file.
5620 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5622 2006-03-31 DJ Delorie <dj@redhat.com>
5624 * config/m32c/cond.md: Set condition flags properly throughout.
5625 * config/m32c/minmax.md: Likewise.
5626 * config/m32c/prologue.md: Likewise.
5627 * config/m32c/bitops.md: Likewise.
5628 * config/m32c/muldiv.md: Likewise.
5629 * config/m32c/mov.md: Likewise.
5630 * config/m32c/addsub.md: Likewise.
5631 * config/m32c/m32c.md: Likewise.
5632 * config/m32c/jump.md: Likewise.
5633 * config/m32c/shift.md: Likewise.
5635 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5636 conditionally output the pattern for this.
5637 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5638 (m32c_compare_redundant): New.
5639 (m32c_output_compare): New.
5640 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5642 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5643 dest, not src. Allow other 4-byte modes.
5645 2006-03-30 Denis Chertykov <denisc@overta.ru>
5647 * doc/md.texi: Refer to avr/constraints.md instead of
5650 2006-03-30 Roger Sayle <roger@eyesopen.com>
5652 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5653 signed vs. unsigned comparison failures on some hosts.
5655 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5658 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5659 change to FLOAT_REGS.
5661 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5662 (rs6000_override_options): Use it.
5663 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5664 only for -mabi=spe/no-spe and -mabi=altivec.
5666 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5668 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5671 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5673 * Makefile.in: Rename docdir to gcc_docdir.
5675 2006-03-30 Roger Sayle <roger@eyesopen.com>
5678 * expr.c (emit_group_store): Optimize group stores into a pseudo
5679 register by using a paradoxical subreg to initialize the destination
5680 if the first or last member of the group specifies a "low part".
5682 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5685 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5686 * target.h (struct gcc_target.speculate_insn): Change type of the
5687 second parameter to 'int'.
5688 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5689 the second operand of the DEPS_LIST.
5690 (copy_DEPS_LIST_list): Update reference to the second operand of the
5692 * rtl.h (alloc_DEPS_LIST): Update signature.
5693 * sched-int.h (ds_t): Change typedef to 'int'.
5694 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5696 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5698 * haifa-sched.c (try_ready): Change condition to restore
5699 non-speculative pattern of the instruction.
5700 (process_insn_depend_be_in_spec): Code to keep probability of the
5701 speculative dependence non-decreasing.
5703 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5705 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5706 (single_move_for_movmem): ... this. Also change all uses.
5707 (bfin_expand_strmov): Renamed to...
5708 (bfin_expand_movmem): ... this. Also change all uses.
5709 * config/bfin/bfin.md (movstrsi): Renamed to...
5710 (movstrsi): ...this.
5712 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5714 PR tree-optimization/26830
5716 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5717 (copy_prop_visit_stmt): Remove write-only variable ann.
5718 (init_copy_prop): Check variable loop depth here. Do not simulate
5719 memory-tag and virtual operand PHIs except for store copy prop.
5721 2006-03-30 Richard Guenther <rguenther@suse.de>
5723 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5724 variants with double arguments.
5726 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5728 * genpreds.c (write_tm_constrs_h): Delete variable p.
5729 * genconditions.c (write_header): Add tm-constrs.h to included
5731 * genpeep.c (main): Add toplev.h to included headers.
5732 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5733 (build/genpeep.o): Add toplev.h dependency.
5734 * config/rs6000/constraints.md: Add "W" constraint.
5736 2006-03-29 Roger Sayle <roger@eyesopen.com>
5738 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5739 sizes by correctly testing whether the size fits a host integer.
5740 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5741 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5742 SImode range for the default sizetype and bitsizetype.
5744 2006-03-29 Roger Sayle <roger@eyesopen.com>
5746 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5747 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5748 quickly if the argument is already of the correct type.
5749 Call fold_build1 instead of build1. Tidy up blank lines.
5751 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5753 * genemit.c (main): Add tm-constrs.h to included headers.
5754 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5755 * genpeep.c (main): Add tm-constrs.h to included headers.
5756 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5757 (write_tm_constrs_h): this and write complete file.
5758 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5759 (write_insn_preds_c): Add tm-constrs.h to included headers.
5760 (gen_constrs): New variable.
5761 (parse_option): Parse "-c".
5762 (main): Invoke write_tm_constrs_h.
5763 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5764 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5765 (object_out_file): Add tm-constrs.h dependency.
5766 (insn-emit.o): Same.
5767 (insn-output.o): Same.
5768 (insn-peep.o): Same.
5769 (insn-preds.o): Same.
5770 (insn-recog.o): Same.
5771 (tm-constsr.h): New target.
5772 (s-constrs-h): New target.
5774 * config/rs6000/constraints.md: New file.
5775 * config/rs6000/rs6000.c: Include tm-constrs.h.
5776 (num_insn_constant_wide): Convert to satisfies_constraint.
5777 (rs6000_rtx_costs): Convert to satisfies_constraint.
5778 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5779 (CONST_OK_FOR_LETTER_P): Delete.
5780 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5781 (EXTRA_CONSTRAINT): Delete.
5782 (EXTRA_MEMORY_CONSTRAINT): Delete.
5783 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5784 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5785 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5786 satisfies_constraint.
5788 * config/i386/i386.c: Include tm-constrs.h.
5790 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5792 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5793 * tree-data-ref.c (find_data_references_in_loop,
5794 compute_data_dependences_for_loop): Use pointers to VEC.
5795 (analyze_all_data_dependences): Adjust calls.
5796 * tree-data-ref.h (find_data_references_in_loop,
5797 compute_data_dependences_for_loop): Adjust declarations.
5798 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5799 compute_data_dependences_for_loop.
5801 2006-03-29 Paul Brook <paul@codesourcery.com>
5803 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5806 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5808 PR tree-optimization/26859
5809 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5811 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5812 for the step after fold_convert.
5814 2006-03-29 Paul Brook <paul@codesourcery.com>
5816 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5817 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5819 2006-03-29 Paul Brook <paul@codesourcery.com>
5822 * targhooks.c (default_narrow_bitfield): New fuction.
5823 * targhooks.h (default_narrow_bitfield): add prototype.
5824 * target.h (gcc_target): Add narrow_volatile_bitfield.
5825 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5826 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5827 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5828 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5830 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5832 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5834 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5835 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5836 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5837 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5838 (s390_function_arg_float): Allow SDmode and DDmode values to be
5839 passed in floating point registers.
5840 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5841 check with SCALAR_FLOAT_MODE_P.
5842 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5844 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5846 PR tree-optimization/25985
5847 * tree-ssa-loop-niter.c (number_of_iterations_le,
5848 number_of_iterations_ne): Make comments more precise.
5849 (number_of_iterations_cond): Add only_exit argument. Use the
5850 fact that signed variables do not overflow only when only_exit
5852 (loop_only_exit_p): New.
5853 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5854 number_of_iterations_cond.
5856 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5858 PR tree-optimization/26643
5859 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5862 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5864 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5865 (divsi3_i4_int): Likewise.
5867 2006-03-28 Roger Sayle <roger@eyesopen.com>
5869 * expr.c (emit_group_store): Only create a new pseudo reg if the
5870 quantity it needs to hold isn't already a suitable pseudo.
5872 2006-03-28 Jeff Law <law@redhat.com>
5874 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5875 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5877 2006-03-28 Roger Sayle <roger@eyesopen.com>
5879 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5880 the equivalent ~X & Y, and the symmetry related transformations.
5881 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5882 ~X & Y, and symmetry related transforms.
5884 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5886 Revert my 2006-03-27 patches.
5888 2006-03-28 Roger Sayle <roger@eyesopen.com>
5890 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5891 ~(T1)X, when T1 and T2 are integer types of the same precision
5892 and (T2)X isn't an extension.
5894 2006-03-28 Jeff Law <law@redhat.com>
5896 PR tree-optimization/26796
5897 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5898 need EH edge cleanups rather than purging them immediately.
5899 (eliminate_degenerate_phis): Handle queued EH cleanups.
5901 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5903 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5906 2006-03-27 Roger Sayle <roger@eyesopen.com>
5909 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5910 cast BIT_NOT_EXPR operand to the correct type.
5912 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5914 * tree-loop-linear.c: Don't include varray.h.
5915 (gather_interchange_stats, try_interchange_loops,
5916 linear_transform_loops): Use VEC instead of VARRAY.
5917 * lambda-mat.c: Don't include varray.h.
5918 * tree-chrec.c: Same.
5919 * lambda-trans.c: Same.
5920 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5921 VEC instead of VARRAY.
5922 * tree-vectorizer.h: Idem.
5923 * tree-data-ref.c (dump_data_references,
5924 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5925 initialize_data_dependence_relation, finalize_ddr_dependent,
5926 compute_all_dependences, find_data_references_in_loop,
5927 compute_data_dependences_for_loop, analyze_all_data_dependences,
5928 free_dependence_relation, free_dependence_relations,
5929 free_data_refs): Idem.
5930 * tree-data-ref.h (data_reference_p, subscript_p): New.
5931 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5932 VEC instead of VARRAY.
5933 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5934 (find_data_references_in_loop, compute_data_dependences_for_loop,
5935 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5936 dump_data_dependence_relations, free_dependence_relations,
5937 free_data_refs): Adjust declaration.
5938 (lambda_transform_legal_p): Move declaration here...
5939 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5940 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5941 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5942 vect_analyze_data_refs): Use VEC instead of VARRAY.
5943 * lambda.h (lambda_transform_legal_p): ...from here.
5944 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5945 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5946 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5947 tree-chrec.o): Don't depend on VARRAY_H.
5949 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5951 * rtl.def (Copyright): Update date.
5952 (DEPS_LIST): Change type of the second operand to 'int'.
5953 * target.h (Copyright): Update date.
5954 (struct gcc_target.speculate_insn): Change type of the second parameter
5956 * lists.c (Copyright): Update date.
5957 (alloc_DEPS_LIST): Change signature. Update reference to the second
5958 operand of the DEPS_LIST.
5959 (copy_DEPS_LIST_list): Update reference to the second operand of the
5961 * rtl.h (Copyright): Update date.
5962 (alloc_DEPS_LIST): Update signature.
5963 * sched-int.h (Copyright): Update date.
5964 (ds_t): Change typedef to 'int'.
5965 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5967 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5969 * haifa-sched.c (Copyright): Update date.
5970 (try_ready): Change condition to restore non-speculative pattern
5972 (process_insn_depend_be_in_spec): Code to keep probability of the
5973 speculative dependence non-decreasing.
5975 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5977 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5978 shut up the compiler.
5980 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5982 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5983 to use lib prefix for target.
5984 ($(T)libic_invalidate_array_4-200.a): Likewise.
5985 ($(T)libic_invalidate_array_4a.a): Likewise.
5987 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5988 J"orn Rennecke <joern.rennecke@st.com>
5990 * superh.opt: New file.
5991 * sh.c (boardtype, osruntime): Remove.
5992 * superh.h (SUBTARGET_OPTIONS): Remove.
5993 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5995 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5996 arguments with ^ and/or [].
5998 * config.gcc (sh-*-*): Add quoting to account for quirk of
6000 Replace == with = in enable_incomplete_targets test.
6002 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6003 with MASK_LITTLE_ENDIAN.
6005 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6006 * config/sh/sh.opt: Added to some comments.
6007 * config/sh/superh.h: Removed some chaff.
6009 * config/sh/sh.opt: Add m4-[1234]00* options.
6010 * config/sh/sh.c (sh_handle_option): Likewise.
6011 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6012 (ic_invalidate_array_4-100.o): New rule.
6013 ($(T)libic_invalidate_array_4-100.a): Likewise.
6014 (ic_invalidate_array_4-200.o): Likewise.
6015 ($(T)libic_invalidate_array_4-200.a): Likewise.
6016 (ic_invalidate_array_4a.o): Likewise.
6017 ($(T)libic_invalidate_array_4a.a): Likewise.
6018 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6019 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6021 * config/sh/crt1.asm: Merged in profiling code.
6022 * config/sh/superh.h (STARTFILE_SPEC): Override.
6023 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6024 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6025 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6027 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6028 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6029 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6031 * sh.opt (mpretend-cmove): New option.
6032 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6033 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6034 (movsicc): Add TARGET_PRETEND_CMOVE code.
6036 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6038 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6039 s390_class_max_nregs): New function prototypes.
6040 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6041 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6042 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6043 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6045 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6047 * dwarf2out.c (add_location_or_const_value_attribute): Call
6048 tree_add_const_value_attribute if nothing else works.
6049 (reference_to_unused): New.
6050 (rtl_for_decl_init): Use reference_to_unused to decide whether
6051 to output an initializer.
6053 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6056 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6057 peephole removing spe frob_di_df_2.
6059 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6061 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6062 (subscript_dependence_tester_1): Declared.
6063 (print_dir_vectors, print_dist_vectors): New.
6064 (debug_data_dependence_relation): New.
6065 (dump_data_dependence_relation): Print more details.
6066 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6067 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6068 (save_dist_v, save_dir_v, add_outer_distances,
6069 build_classic_dist_vector_1): New.
6070 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6071 Don't test for lambda_vector_lexico_pos.
6072 (same_access_functions, add_multivariate_self_dist,
6073 add_other_self_distances, dir_from_dist): New.
6074 (build_classic_dir_vector): Replace implementation almost identical to
6075 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6077 (subscript_dependence_tester_1): New.
6078 (subscript_dependence_tester): Handle the lexicographically negative
6079 distance vectors by recomputing the dependence relation.
6080 (compute_affine_dependence): Remove parameter loop_nest_depth.
6081 (compute_self_dependence): Don't call compute_subscript_distance.
6082 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6083 Add a parameter for the loop_nest.
6084 (find_loop_nest_1, find_loop_nest): New.
6085 (compute_data_dependences_for_loop): Compute the loop nest, and give
6086 up if the nest is not well formed.
6087 * tree-data-ref.h (loop_p): New.
6088 (struct data_dependence_relation): Replace size_vect field with
6089 loop_nest, a vec of loops.
6090 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6091 (DDR_LOOP_NEST): New.
6092 (print_dir_vectors, print_dist_vectors,
6093 debug_data_dependence_relation): Declared.
6094 (index_in_loop_nest): New.
6095 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6096 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6099 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6101 * simplify-rtx.c (simplify_relational_operation): Call
6102 simplify_relational_operation_1 even if mode is VOIDmode.
6104 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6106 PR tree-optimization/26804
6107 * tree.h (DECL_CALL_CLOBBERED): New macro.
6108 (tree_decl_common): Add call_clobbered_flag.
6109 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6110 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6111 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6112 (mark_non_addressable): Ditto.
6113 * tree-ssa.c (verify_call_clobbered): New function.
6114 (verify_alias_info): Use it.
6115 * tree-pass.h (pass_reset_cc_flags): New prototype.
6116 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6117 (reset_cc_flags): New function.
6118 * passes.c (init_optimization_passes): Call reset_cc_flags after
6119 initializing referenced_vars.
6121 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6122 Roger Sayle <roger@eyesopen.com>
6125 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6126 to 1.0 for non-real operands. Implement A / A optimization for
6129 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6131 * config/i386/i386.c (size_cost): Correct the comment for
6132 cost of storing fp registers.
6133 (i386_cost): Likewise.
6134 (i486_cost): Likewise.
6135 (pentium_cost): Likewise.
6136 (pentiumpro_cost): Likewise.
6137 (k6_cost): Likewise.
6138 (athlon_cost): Likewise.
6139 (k8_cost): Likewise.
6140 (pentium4_cost): Likewise.
6141 (nocona_cost): Likewise.
6142 (generic64_cost): Likewise.
6143 (generic32_cost): Likewise.
6145 2006-03-24 Denis Chertykov <denisc@overta.ru>
6147 * config/avr/avr-protos.h (extra_constraint): Delete.
6148 (extra_constraint_Q): New declaration.
6149 * config/avr/constraints.md: New file.
6150 * config/avr/avr.md: Include it.
6151 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6152 (TMP_REGNO, ZERO_REGNO): Likewise.
6153 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6154 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6155 (extra_constraint): Delete.
6156 (extra_constraint_Q): Test for memory constraint 'Q'.
6157 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6158 (REG_CLASS_FROM_LETTER): Delete.
6159 (CONST_OK_FOR_LETTER_P): Delete.
6160 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6161 (EXTRA_CONSTRAINT): Delete.
6162 (TMP_REGNO): Delete.
6163 (ZERO_REGNO): Delete.
6165 2006-03-24 Jeff Law <law@redhat.com>
6167 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6168 directly. Call mark_new_vars_to_rename slightly earlier.
6170 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6172 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6174 (gen_compile_unit_die): Use new language types for Objective-C and
6176 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6177 DW_LANG_C_plus_plus.
6180 * config/t-darwin (crt3.o): Work around bug 26840.
6181 * config/darwin-crt3.c: Rewrite.
6182 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6184 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6186 * doc/invoke.texi: Document -femit-class-debug-always
6187 * common.opt: Add -femit-class-debug-always.
6189 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6191 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6192 index and base register.
6193 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6194 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6195 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6196 REGNO_OK_FOR_INDEX_P.
6197 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6199 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6200 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6201 REG_OK_FOR_BASE_P): Definitions removed.
6203 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6206 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6207 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6208 set yet or weren't marked as local yet.
6210 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6212 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6215 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6217 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6218 (rs6000_legitimate_small_data_p): Delete.
6219 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6220 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6221 and make static. Add forward declaration. Update uses.
6222 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6223 of offsettable_memref_p.
6224 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6225 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6227 2006-03-24 Jeff Law <law@redhat.com>
6229 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6230 around bug in immediate-use iterator.
6232 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6235 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6236 or __LITTLE_ENDIAN__.
6238 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6240 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6241 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6242 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6243 * config/sh/sh.opt (mdiv=): Amend description.
6244 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6245 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6246 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6247 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6248 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6249 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6250 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6251 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6252 TARGET_DIVIDE_CALL_FP.
6254 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6256 * haifa-sched.c (choose_ready): Fix type of the local variable.
6257 Move local variables. Add comment.
6258 (check_reg_live): Change signature. Make callable from debugger.
6259 * sched-int.h (check_reg_live): Update signature.
6260 * sched-ebb.c (check_reg_live): Update parameters.
6261 * sched-rgn.c (check_reg_live): Ditto.
6262 (region_head_or_leaf_p): Check pointer before dereferencing.
6263 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6264 before reload on optimization levels below 1.
6266 2006-03-23 Richard Henderson <rth@redhat.com>
6268 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6272 * config/alpha/predicates.md (local_symbolic_operand): Reject
6275 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6278 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6279 expressions which have overflowed constants.
6281 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6283 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6285 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6287 * cfgloopmanip.c (create_loop_notes): Removed.
6288 * final.c (final_scan_insn): Do not handle loop notes.
6289 * jump.c (squeeze_notes): Ditto.
6290 * cfglayout.c (skip_insns_after_block,
6291 duplicate_insn_chain): Ditto.
6292 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6294 * cfgloop.h (create_loop_notes): Declaration removed.
6296 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6298 * varasm.c (output_constant_pool): Restore fnname and fndecl
6300 (assemble_start_function): Adjust call accordingly.
6301 (assemble_end_function): Likewise.
6303 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6306 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6309 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6311 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6314 * system.h (ICE_EXIT_CODE): New macro.
6315 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6316 (diagnostic_action_after_output): Likewise.
6317 * gcc.c (fatal_ice): New function.
6318 (execute): Use it instead of fatal.
6319 (fancy_abort): Likewise.
6320 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6322 2006-03-22 Jeff Law <law@redhat.com>
6324 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6325 iv_analyze_result returning false.
6327 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6329 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6331 2006-03-22 Richard Henderson <rth@redhat.com>
6334 * except.c (duplicate_eh_regions_0): New.
6335 (duplicate_eh_region_1): Duplicate the children of the node as
6336 well as the node itself. Link them up properly.
6337 (duplicate_eh_region_2): Merge into ...
6338 (duplicate_eh_regions): ... here. Take copy_region argument, and
6339 copy only a sub-tree if asked. Simplify copying and fixup.
6340 (eh_region_outer_p): New.
6341 * except.h (duplicate_eh_regions): Update decl.
6342 (eh_region_outer_p): Declare.
6343 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6344 (lower_omp_master): Likewise.
6345 (lower_omp_ordered): Likewise.
6346 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6347 (move_stmt_r): Use it to remap labels. Handle recursion vs
6348 remap_decls_p properly.
6349 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6350 (find_outermost_region_in_block): New.
6351 (new_label_mapper): New.
6352 (move_sese_region_to_fn): Copy eh information to the new function
6354 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6356 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6359 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6361 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6362 into shared libraries.
6364 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6366 * doc/md.texi: Refer to i386/constraints.md instead of
6368 * config/i386/constraints.md: New file, extracted from...
6369 * config/i386/predicates.md: ...here.
6370 * config/i386/i386.md: Include constraints.md.
6372 2006-03-21 Jason Merrill <jason@redhat.com>
6374 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6377 * expr.c (init_block_move_fn): Force default visibility.
6378 (init_block_clear_fn): Likewise.
6379 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6380 * targhooks.c (default_external_stack_protect_fail): Likewise.
6382 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6384 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6385 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6386 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6387 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6388 (loadgp): Use mips_current_loadgp_style.
6389 (loadgp_noshared): New pattern.
6390 (sibcall_internal): Use MIPS_CALL.
6391 (sibcall_value_internal): Likewise.
6392 (sibcall_value_multiple_internal): Likewise.
6393 (call_internal): Likewise.
6394 (call_value_internal): Likewise.
6395 (call_value_multiple_internal): Likewise.
6396 (call_split): Use MIPS_CALL and add an 'S' constraint.
6397 (call_value_split): Likewise.
6398 (call_value_multiple_split): Likewise.
6399 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6400 (-mshared): New option.
6401 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6402 (mips_current_loadgp_style): Declare.
6403 * config/mips/mips.c (mips_classify_symbol): Avoid using
6404 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6405 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6406 TARGET_ABSOLUTE_ABICALLS.
6407 (override_options): Adjust comments. Improve the warning that is
6408 issued when -mabicalls and -G are used together.
6409 (mips_file_start): Remove comment.
6410 (mips_current_loadgp_style): New function.
6411 (mips_gnu_local_gp): New variable.
6412 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6414 (mips_output_function_prologue): Use mips_current_laodgp_style.
6415 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6416 the cprestore instruction.
6417 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6418 live for TARGET_ABSOLUTE_ABICALLS.
6419 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6420 (ASM_SPEC): Pass down -mshared and -mno-shared.
6421 (MIPS_CALL): New macro.
6422 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6424 * doc/invoke.texi (-mabicalls): Update documentation.
6425 (-mshared): Document.
6427 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6429 * config/ia64/unwind-hpux.c: New file.
6430 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6432 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6435 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6437 2006-03-21 Jeff Law <law@redhat.com>
6439 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6440 type conversions of a VR_VARYING source to a wider type.
6442 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6444 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6445 tm_file on Solaris 10 and later.
6446 (sparc64-*-solaris2*): Likewise.
6447 (sparc-*-solaris2*): Likewise.
6448 * config/sol26.h: Rename to config/sol2-6.h.
6449 * config/sol2-10.h: New file.
6451 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6454 * tree-ssa-pre.c (create_component_ref_by_pieces):
6457 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6460 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6461 return it immediately.
6463 2006-03-21 Michael Matz <matz@suse.de>
6465 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6467 (remove_arc, add_arc): Update num_out_arcs member.
6468 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6470 (cache_presence): New function.
6471 (compare_states_for_equiv): New function.
6472 (state_is_differed): Don't take number of outargs, adjust callers.
6473 Use new invariant for speeding up.
6474 (init_equiv_class): Create initial classes based on sorted
6476 (partition_equiv_class): Don't track out_arcs_num.
6477 (evaluate_equiv_classes): Call cache_presence on all states and
6480 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6482 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6483 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6484 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6485 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6487 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6488 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6489 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6490 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6491 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6493 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6494 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6495 (REGNO_REG_CLASS): ARGP is in PREGS.
6496 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6498 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6499 to deal with those addresses.
6500 * addresses.h: New file.
6501 * caller-save.c: Include "addresses.h".
6502 (init_caller_save): Use new base_reg_class function.
6503 * rtl-factoring.c: Include "addresses.h".
6504 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6505 * recog.c: Include "addresses.h".
6506 (preprocess_constraints): Use new base_reg_class function.
6507 * regrename.c: Include "addresses.h".
6508 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6509 functions. Keep track of a new var INDEX_CODE to compute valid
6511 (replace_oldest_value_addr): Likewise.
6512 (replace_oldest_value_mem): Use base_reg_class.
6513 * reload.c: Include "addresses.h".
6514 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6515 (find_reloads): Use new base_reg_class function.
6516 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6517 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6518 all callers and prototype changed.
6519 * reload1.c: Include "addresses.h".
6520 (maybe_fix_stack_asms): Use base_reg_class.
6521 * regclass.c: Include "addresses.h".
6522 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6523 (init_reg_autoinc): Use new base_reg_class function.
6524 (record_reg_classes): Likewise.
6525 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6526 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6527 Use new args to compute necessary class.
6529 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6530 regrename.o, rtl-factoring.o): Update dependencies.
6531 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6532 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6533 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6534 REG_OK_FOR_INDEX_P): Delete documentation.
6536 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6538 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6539 from V7 to V9 for Solaris 7 and above.
6541 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6543 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6544 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6545 argument pointers may not alias any other storage.
6546 * common.opt: Define option -fargument-noalias-anything.
6547 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6548 alias semantics is specified by flag_argument_noalias > 2.
6550 2006-03-20 Jeff Law <law@redhat.com>
6552 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6553 (pass_phi_only_cprop): Declare.
6554 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6556 * tree-ssa-dom.c (degenerate_phi_result): New function.
6557 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6558 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6559 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6560 (eliminate_degenerate_phis): Likewise.
6561 (pass_phi_only_cprop): New pass descriptor.
6562 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6563 support code. Callers updated.
6564 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6565 (store_copy_prop): Likewise.
6566 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6568 2006-03-20 Jason Merrill <jason@redhat.com>
6571 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6572 (push_visibility, pop_visibility): Likewise.
6573 * c-pragma.h: Declare them.
6575 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6577 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6579 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6580 parameter and use get_ebb_head_tail.
6581 (sh_md_init_global): Adjust uses of find_regmode_weight.
6583 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6585 * function.h (struct function) <x_tail_recursion_reentry>:
6586 Rename to x_stack_check_probe_note.
6587 (tail_recursion_reentry): Rename to stack_check_probe_note.
6588 * function.c: Replace tail_recursion_reentry with
6589 stack_check_probe_note everywhere.
6590 (expand_function_start): Only emit a note for
6591 stack_check_probe_note with -fstack-protect.
6592 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6594 * emit-rtl.c (remove_unnecessary_notes): Remove.
6595 (pass_remove_unnecessary_notes): Remove.
6596 * rtl.h (remove_unnecessary_notes): Remove prototype.
6597 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6598 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6599 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6601 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6604 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6605 (valid_in_set): Handle ARRAY_REF.
6606 Change "if min_variant or VH" to asserts.
6607 (create_component_ref_by_pieces): Handle ARRAY_REF.
6608 (create_expression_by_pieces): Likewise.
6609 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6611 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6613 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6614 is operand of switch, not str[0].
6616 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6618 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6619 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6621 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6623 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6624 end of insn_extra_address_constraint declaration.
6626 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6628 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6629 (no-sum-in-toc): Same.
6630 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6632 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6633 NO_FP_IN_TOC for -fPIC instead of mask.
6635 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6636 (BOOT_LDFLAGS): Delete.
6638 * config/rs6000/t-aix52: Same.
6640 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6641 (stmsi[345678]_power): New.
6643 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6645 * config/ia64/ia64.opt: Add empty line to end of file.
6647 2006-03-17 Richard Guenther <rguenther@suse.de>
6650 * builtins.c (get_pointer_alignment): For component style references
6651 adjust alignment to the component type alignment. Make sure
6652 to adjust alignment for component access of constants.
6654 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6656 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6659 2006-03-17 Paul Brook <paul@codesourcery.com>
6661 * doc/install.texi: Docuemnt --with-mode.
6662 * config.gcc: Add --with-mode for arm*-*-*.
6663 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6665 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6667 * sh.c (max_labelno_before_reorg): New variable.
6668 (sh_reorg): Initialize it.
6669 (find_barrier): Check max_labelno_before_reorg before using
6670 label_to_alignment. Take length of explicit alignment insns
6671 into account. When seeing a UNSPECV_CONST_END, return it.
6673 * sh.c (fixup_mova): Set mode of affected label to QImode.
6674 (untangle_mova): New function.
6675 (find_barrier): Use it. Check mode of label before decrementing
6677 (sh_reorg): Likewise.
6678 Set mode of all insns back to VOIDmode.
6680 * sh.c (MOVA_LABELREF): New macro.
6681 (mova_p, fixup_mova, sh_reorg): Use it.
6682 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6683 ADDR_DIFF_VEC matches mova.
6685 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6687 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6688 with ATTRIBUTE_UNUSED.
6690 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6692 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6693 pointer, instead of assuming it is possible to derive the
6694 correct args size from a call insn.
6696 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6698 * rtl.h (CONST_INT_P): Define.
6699 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6700 instead of GET_CODE(x) == CONST_INT.
6701 (vax_rtx_costs): Likewise.
6702 (vax_output_int_move): Likewise.
6703 (vax_output_int_add): Likewise.
6704 (legitimate_constant_address_p): Likewise.
6705 (index_term_p): Likewise.
6706 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6707 * config/vax/vax.md (and<mode>3): Likewise.
6708 (ashrsi3): Likewise.
6710 (movstricthi): Likewise.
6711 (movstrictqi): Likewise.
6712 (rotrsi3): Likewise.
6713 (five unnamed insns): Likewise.
6715 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6717 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6718 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6719 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6720 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6721 Pass to ASM_OUTPUT_DWARF_OFFSET.
6722 * dwarf2out.c (debug_frame_section): New.
6723 (output_call_frame_info): Use debug_frame_section. Pass it to
6724 dw2_asm_output_offset.
6725 (output_die): Pass appropriate section to dw2_asm_output_offset.
6726 (output_compilation_unit_header): Likewise.
6727 (output_pubnames): Likewise.
6728 (output_aranges): Likewise.
6729 (enum dw_val_class): Break dw_val_class_lbl_offset into
6730 dw_val_class_lineptr and dw_val_class_macptr.
6731 (add_AT_lbl_offset): Delete.
6732 (add_AT_lineptr): New.
6733 (add_AT_macptr): New.
6734 (AT_lbl): Expect a lineptr or macptr.
6735 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6736 (attr_checksum): Likewise.
6737 (same_dw_val_p): Likewise.
6738 (size_of_die): Likewise.
6739 (value_format): Likewise.
6740 (output_die): Likewise.
6741 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6743 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6744 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6745 * config/darwin-protos.h (darwin_file_start): New.
6746 (darwin_asm_output_dwarf_offset): New.
6747 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6748 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6750 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6751 if not EH section; simplify.
6752 (darwin_file_start): New.
6753 (darwin_asm_output_dwarf_offset): New.
6754 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6756 (DEBUG_INFO_SECTION): Likewise.
6757 (DEBUG_ABBREV_SECTION): Likewise.
6758 (DEBUG_ARANGES_SECTION): Likewise.
6759 (DEBUG_MACINFO_SECTION): Likewise.
6760 (DEBUG_LINE_SECTION): Likewise.
6761 (DEBUG_LOC_SECTION): Likewise.
6762 (DEBUG_PUBNAMES_SECTION): Likewise.
6763 (DEBUG_STR_SECTION): Likewise.
6764 (DEBUG_RANGES_SECTION): Likewise.
6765 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6766 (ASM_OUTPUT_DWARF_OFFSET): New.
6768 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6770 * config.gcc (tm_defines): Always add to previous value rather
6773 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6775 * config/mips/predicates.md (splittable_const_int_operand): New,
6776 split from move_operand.
6777 (splittable_symbolic_operand): New.
6778 (move_operand): Add commentary. Use splittable_const_int_operand.
6779 Inline mips_atomic_symbolic_constant_p.
6780 * config/mips/mips.md: Add combine splitters for handling moves
6781 of splittable_const_int_operands and splittable_symbolic_operands.
6782 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6783 (mips_split_symbol): Declare.
6784 (mips_move_integer): Declare.
6785 * config/mips/mips.c (mips_split_p): Make global.
6786 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6787 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6788 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6789 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6790 (mips_offset_within_object_p): Handle block symbols.
6791 (mips_atomic_symbolic_constant_p): Delete.
6792 (mips_cannot_force_const_mem): Return false for constants that
6793 mips_legitimize_move can handle.
6794 (mips_use_blocks_for_constant_p): New function.
6795 (mips_split_symbol): Make global.
6796 (mips_move_integer): Likewise. Add a temporary register argument.
6797 (mips_legitimize_const_move): Use splittable_const_int_operand and
6798 splittable_symbolic_operand.
6799 (mips_use_anchors_for_symbol_p): New function.
6800 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6801 (mips_split_p): Declare.
6803 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6805 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6806 (mips*-*-linux*): Likewise.
6808 2006-03-16 Roger Sayle <roger@eyesopen.com>
6809 Daniel Speyer <dspeyer@wam.umd.edu>
6812 * tree-dump.c (dump_real): New function.
6813 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6814 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6815 (tree-dump.o): Add $(REAL_H) to the dependencies.
6817 2006-03-16 Roger Sayle <roger@eyesopen.com>
6820 * real.c (real_from_string): If the mantissa is zero, don't bother
6821 parsing the exponent as the result should always be zero.
6823 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6825 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6827 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6829 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6830 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6831 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6832 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6833 ia64_sched_finish_global): New static functions to implement
6834 hooks from gcc_target.sched.
6835 (spec_check_no, max_uid, pending_data_specs): New static variables.
6836 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6837 ia64_spec_check_src_p): New static functions.
6838 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6839 (TARGET_SCHED_ADJUST_COST): Removed.
6840 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6841 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6842 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6843 TARGET_SCHED_GEN_CHECK,
6844 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6845 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6846 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6847 Fixed to handle speculation checks.
6848 (rtx_needs_barrier): Fixed to handle speculative loads and
6850 (ia64_variable_issue): Added code to count speculative loads and their
6852 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6854 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6856 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6858 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6859 (ia64_reorg): Reset stops_p to NULL after it is freed.
6860 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6861 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6862 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6864 (data_speculative, control_speculative, check_load): New attributes.
6865 (mov<mode>_advanced, mov<mode>_speculative,
6866 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6867 zero_extend<mode>di2_speculative,
6868 zero_extend<mode>di2_speculative_advanced): New patterns for
6869 data and control speculative loads.
6870 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6872 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6873 New pattern for data and control speculation checks.
6874 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6875 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6876 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6877 Auxiliary definitions for the patterns.
6878 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6879 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6881 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6883 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6884 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6885 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6886 New resource constraints.
6887 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6889 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6890 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6891 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6892 msched-in-control-spec, msched-ldc, msched-control-ldc,
6893 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6894 msched-prefer-non-control-spec-insns,
6895 msched-count-spec-in-critical-path): New flags to tune speculative
6897 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6898 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6899 msched-in-control-spec, msched-ldc, msched-control-ldc,
6900 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6901 msched-prefer-non-control-spec-insns,
6902 msched-count-spec-in-critical-path): Document new flags.
6904 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6906 * target.h (struct spec_info_def): New opaque declaration.
6907 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6908 speculate_insn, needs_block_p, gen_check,
6909 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6910 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6911 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6912 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6913 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6914 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6916 (TARGET_SCHED): Use new macros.
6917 * rtl.h (copy_DEPS_LIST_list): New prototype.
6918 * sched-int.h (struct sched_info): Change signature of new_ready field,
6919 adjust all initializations. New fields: add_remove_insn,
6920 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6921 region_head_or_leaf_p.
6922 (struct spec_info_def): New structure declaration.
6923 (spec_info_t): New typedef.
6924 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6925 recovery_block, orig_pat.
6926 (glat_start, glat_end): New variables declaraions.
6927 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6929 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6930 DETACH_LIFE_INFO, USE_GLAT.
6931 (enum SPEC_SCHED_FLAGS): New enumeration.
6932 (NOTE_NOTE_BB_P): New macro.
6933 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6934 attach_life_info, debug_spec_status, check_reg_live): New functions.
6935 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6936 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6938 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6939 * ddg.c (get_block_head_tail): Adjust all uses.
6940 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6941 (sms_sched_info): Initialize new fields.
6942 (contributes_to_priority): Removed.
6943 * haifa-sched.c (params.h): New include.
6944 (get_block_head_tail): Adjust all uses.
6945 (ISSUE_POINTS): New macro.
6946 (glat_start, glat_end): New global variables.
6947 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6948 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6949 old_last_basic_block, before_recovery, current_sched_info_var,
6950 rgn_n_insns, luid): New static variables.
6951 (insn_cost1): New function. Move logic from insn_cost to here.
6952 (find_insn_reg_weight1): New function. Move logic from
6953 find_insn_reg_weight to here.
6954 (reemit_notes, move_insn, max_issue): Change signature.
6955 (move_insn1): Removed.
6956 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6957 extend_bb): New static functions to support extension of scheduler's
6959 (generate_recovery_code, process_insn_depend_be_in_spec,
6960 begin_speculative_block, add_to_speculative_block,
6961 init_before_recovery, create_recovery_block, create_check_block_twin,
6962 fix_recovery_deps): New static functions to support
6963 generation of recovery code.
6964 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6965 restore_bb_notes, move_block_after_check, move_succs): New static
6966 functions to support ebb scheduling.
6967 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6968 functions to support handling of register live information.
6969 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6970 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6971 add_jump_dependencies): New static functions.
6972 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6973 consistancy checking.
6974 (debug_spec_status): New function to call from debugger.
6975 (priority): Added code to handle speculation checks.
6976 (rank_for_schedule): Added code to distinguish speculative instructions.
6977 (schedule_insn): Added code to handle speculation checks.
6978 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6979 Fixed to handle ebbs.
6980 (move_insn): Added code to handle ebb scheduling.
6981 (max_issue): Added code to use ISSUE_POINTS of instructions.
6982 (choose_ready): Added code to choose between speculative and
6983 non-speculative instructions.
6984 (schedule_block): Added code to handle ebb scheduling and scheduling of
6985 speculative instructions.
6986 (sched_init): Initialize new variables.
6987 (sched_finish): Free new variables. Print statistics.
6988 (try_ready): Added code to handle speculative instructions.
6989 * lists.c (copy_DEPS_LIST_list): New function.
6990 * sched-deps.c (extend_dependency_caches): New function. Move logic
6991 from create_dependency_caches to here.
6992 (get_dep_weak, ds_merge): Make global.
6993 * genattr.c (main): Code to output prototype for
6994 dfa_clear_single_insn_cache.
6995 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6996 (output_dfa_clean_insn_cache_func): Code to output
6997 dfa_clear_single_insn_cache function.
6998 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7000 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7002 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7003 New static variables.
7004 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7005 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7007 (ebb_sched_info): Initialize new fields.
7008 (get_block_head_tail): Adjust all uses.
7009 (compute_jump_reg_dependencies): Fixed to use glat_start.
7010 (schedule_ebb): Code to remove unreachable last block.
7011 (schedule_ebbs): Added code to update register live information.
7012 * sched-rgn.c (region_sched_info): Initialize new fields.
7013 (get_block_head_tail): Adjust all uses.
7014 (last_was_jump): Removed. Adjust users.
7015 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7016 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7017 Implement new hooks.
7018 (check_dead_notes1): New static function.
7019 (struct region): New fields: dont_calc_deps, has_real_ebb.
7020 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7021 (BB_TO_BLOCK): Fixed to handle EBBs.
7022 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7023 (ebb_head): New static variable.
7024 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7025 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7027 (compute_dom_prob_ps): New assertion.
7028 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7029 global_live_at_start.
7030 (init_ready_list): New assertions.
7031 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7032 (new_ready): Add support for BEGIN_CONTROL speculation.
7033 (schedule_insns): Fixed code that updates register live information
7035 (schedule_region): Fixed to handle EBBs.
7036 (init_regions): Use extend_regions and check_dead_notes1.
7037 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7038 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7039 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7040 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7041 TARGET_SCHED_GEN_CHECK,
7042 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7043 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7044 * doc/invoke.texi (max-sched-insn-conflict-delay,
7045 sched-spec-prob-cutoff): Document.
7047 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7049 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7050 inter_tick, queue_index.
7051 (struct sched_info): Change signature of init_ready_list field.
7052 Adjust all initializations.
7053 (RESOLVED_DEPS): New access macro.
7054 (ready_add): Remove prototype.
7055 (try_ready): Add prototype.
7056 * sched-rgn.c (init_ready_list): Use try_ready.
7057 (schedule_region): Initialize
7058 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7059 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7060 (init_ready_list): Use try_ready.
7061 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7062 * lists.c (remove_list_elem): Remove `static'.
7063 (remove_free_INSN_LIST_elem): New function.
7064 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7065 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7066 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7068 (readyp): New variable.
7069 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7070 change_queue_index, resolve_dep): New static functions.
7071 (try_ready): New function. Adjust callers in sched-rgn.c and
7072 sched-ebb.c to use it instead of ready_add.
7073 (clock_var): Move at the begining of file.
7074 (rank_for_schedule): Fix typo.
7075 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7076 (ready_lastpos): Enforce assertion.
7077 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7079 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7080 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7081 (queue_to_ready): Use free_INSN_LIST_list.
7082 (early_queue_to_ready): Fix typo.
7083 (schedule_block): Init readyp. Move init_ready_list call after the
7084 initialization of clock_var. Fix error in rejecting insn by
7085 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7086 that previously corrected INSN_TICKs. Add code for handling
7088 (set_priorities): Fix typo.
7089 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7090 Clarify comment and code that keeps current_sched_info->next_tail
7093 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7095 * sched-rgn.c (extend_rgns): New static function.
7096 (find_rgns): Use it.
7097 (gather_region_statistics, print_region_statistics): New static
7099 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7100 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7102 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7103 Andrey Belevantsev <abel@ispras.ru>
7105 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7106 * lists.c (unused_deps_list): New variable.
7107 (free_list): Add assertions to verify the proper distinguishing
7108 between INSN_LISTs and DEPS_LISTs.
7109 (find_list_elem, remove_list_elem, remove_list_node): New static
7111 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7112 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7113 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7114 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7116 (free_INSN_LIST_node): Likewise.
7117 * modulo-sched.c (current_sched_info): Initialize flags field.
7118 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7119 * rtl.def (DEPS_LIST): Define.
7120 * rtl.h: Declare new functions from lists.c.
7121 * sched-deps.c (spec_dependency_cache): New static variable.
7122 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7123 (add_dependence): Change return type to void. Move the logic to ...
7124 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7125 (delete_all_dependences): Add comment about forward_dependency_cache.
7126 Handle spec_dependency_cache. Handle DEPS_LISTs.
7127 (fixup_sched_groups): Clarify the change of priority of output
7128 and anti dependencies.
7129 (sched_analyze_2): Adjust add_dependence calls to create data
7130 speculative dependence.
7131 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7132 Adjust all callers. Handle DEPS_LISTS.
7133 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7134 presence of speculation.
7135 (init_dependency_caches, free_dependency_caches):
7136 Handle spec_dependency_cache.
7137 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7138 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7139 New static functions.
7140 (add_or_update_back_dep, add_or_update_back_forw_dep,
7141 add_back_forw_dep, delete_back_forw_dep): New functions.
7142 * sched-int.h (ds_t, dw_t): New typedefs.
7143 (struct sched_info): Add new field flags.
7144 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7145 Prototype new sched-deps.c functions.
7146 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7147 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7148 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7149 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7150 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7151 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7153 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7155 * sched-rgn.c (current_sched_info): Initialize flags field.
7156 (schedule_insns): Initialize current_sched_info before the sched_init
7158 * sched-ebb.c (current_sched_info): Initialize flags field.
7159 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7160 Call add_or_update_back_dep instead of add_dependence.
7161 Create control speculative dependencies.
7162 (schedule_insns): Initialize current_sched_info before the sched_init
7165 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7167 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7169 (sh_fallback_frame_state): Likewise.
7171 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7173 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7174 Do switch on default_use_cxa_atexit.
7175 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7176 * config/darwin-crt3.o: New.
7177 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7178 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7179 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7181 * config/rs6000/t-darwin: Move crt2.o building to here.
7182 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7183 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7186 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7188 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7189 from '! xxx' to '!xxx' for coding-style conformance.
7190 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7191 (EXTRA_CONSTRAINT): Likewise.
7192 * config/vax/vax.md (four unnamed insns): Likewise.
7194 2006-03-15 Paul Brook <paul@codesourcery.com>
7196 * config/arm/arm.c (minipool_pad): New.
7197 (add_minipool_forward_ref): Include pool alignment padding in address
7199 (push_minipool_fix): Set minipool_pad.
7200 (minipool_pad): Ditto.
7202 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7204 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7205 instead of GET_CODE() == MEM and REG_P() instead of
7207 (print_operand_address): Likewise.
7208 (vax_address_cost): Likewise.
7209 (vax_rtx_costs): Likewise.
7210 (vax_notice_update_cc): Likewise.
7211 (vax_output_int_add): Likewise.
7212 (INDEX_REGISTER_P): Likewise.
7213 (BASE_REGISTER_P): Likewise.
7214 (nonindexed_address_p): Likewise.
7215 (vax_mode_dependent_address_p): Likewise.
7216 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7217 (PRINT_OPERAND): Likewise.
7218 * config/vax/vax.md (ashlsi3): Likewise.
7219 (ashlsi3): Likewise.
7220 (some more unnamed insns): Likewise.
7222 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7224 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7225 iterator-style macro.
7226 (mark_control_dependent_edges_necessary): Update the use of
7227 EXECUTE_IF_CONTROL_DEPENDENT.
7229 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7231 * config/sh/predicates.md (cache_address_operand): Special.
7232 (ua_address_operand): Likewise.
7234 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7236 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7238 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7240 2006-03-15 Andreas Schwab <schwab@suse.de>
7242 * gensupport.c (identify_predicable_attribute): Don't free p_false
7243 when it is still in use.
7245 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7247 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7248 the default setting here.
7250 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7252 * tree-pass.h (pass_cfg): Remove.
7253 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7254 * passes.c (pass_cfg): Don't run it.
7256 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7258 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7259 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7261 (stack_regs_mentioned): Update the uses of
7262 stack_regs_mentioned_data. Don't access the array beyond its
7264 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7265 Don't include gt-reg-stack.h.
7267 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7268 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7270 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7273 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7276 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7278 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7280 2006-03-14 Richard Guenther <rguenther@suse.de>
7282 PR tree-optimization/26672
7283 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7286 2006-03-14 Richard Guenther <rguenther@suse.de>
7288 PR tree-optimization/26667
7289 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7290 node for the callees. Always allow inlining if it will shrink
7293 2006-03-14 Richard Guenther <rguenther@suse.de>
7296 * builtins.c (get_pointer_alignment): Prefer alignment
7297 information from decls over that from types.
7299 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7302 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7304 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7306 * config/rs6000/rs6000.opt (mdlmzb): New option.
7307 (msched-prolog, msched-epilog): Use Var not Mask.
7308 * doc/invoke.texi (-mdlmzb): Document.
7309 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7311 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7312 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7314 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7316 PR rtl-optimization/25739
7317 * bt-load.c (augment_live_range): Free tos pointer.
7319 * gensupport.c (identify_predicable_attribute): Free
7321 * gcov.c (create_file_names): Free name pointer.
7323 2006-03-13 Roger Sayle <roger@eyesopen.com>
7326 * stmt.c (emit_case_nodes): Handle the case where the index is a
7327 CONST_INT, where the comparison mode is specified by the index type.
7329 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7331 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7334 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7336 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7337 (*branch_fp_inverted): Likewise.
7339 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7342 * omp-low.c (expand_omp_for_generic): Mark istart0
7343 and iend0 as addressable.
7345 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7347 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7349 2006-03-13 Jeff Law <law@redhat.com>
7351 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7352 virtual operands are interesting.
7353 (vrp_visit_stmt): Corresponding changes.
7355 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7357 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7359 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7360 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7361 * config/bfin/crti.S: Use it instead of __PIC__.
7362 * config/bfin/crtn.S: Likewise.
7364 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7365 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7367 Lose 'G' modifier for call operand.
7368 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7369 recognize 'G' modifier.
7371 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7374 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7375 * stmt.c (expand_case): Likewise.
7377 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7379 PR rtl-optimization/26254
7380 * loop-invariant.c (seq_insns_valid_p): New function.
7381 (move_invariant_reg): Only emit new code if it is valid.
7383 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7385 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7387 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7388 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7389 (commit_one_edge_insertion): Do not look for loop notes.
7391 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7393 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7394 flag_test_coverage out of loop.
7396 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7398 * final.c (shorten_branches): Remove outdated comment, and turn
7399 the if branch that guards it to continue.
7401 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7403 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7404 * cfgloop.h (struct loop): Remove unused fields.
7406 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7408 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7409 (-dL, -fdump-rtl-loop2): Update the dump file names
7411 * doc/invoke.texi: Update dump file names.
7413 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7415 * predict.c (estimate_probability): Remove.
7416 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7417 * basic-block.h (estimate_probability): Remove prototype.
7418 * passes.c (finish_optimization_passes): Dump branch prediction or
7419 profiling heuristics to the .profile tree dump.
7420 (init_optimization_passes): Unqueue pass_branch_prob.
7422 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7424 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7426 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7427 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7429 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7431 * function.h (frame_offset_overflow): Declare.
7432 * function.c (frame_offset_overflow): New function.
7433 (assign_stack_local_1): Call it to detect that the offset overflows.
7434 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7436 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7438 * config/sh/sh.c: Include alloc-pool.h.
7439 (label_ref_list_pool): New alloc pool.
7440 (label_ref_list_t): New type for lists of labels.
7441 (struct pool_node): Make wend a label_ref_list_t.
7442 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7444 (dump_table): Likewise.
7445 (sh_reorg): Set up the alloc pool before using add_constant and
7446 dump_table, and destroy it when finishing.
7448 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7450 * config/mips/mips.c: Remove redundant comment.
7452 2006-03-10 Jason Merrill <jason@redhat.com>
7455 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7456 the target was declared 'register'.
7458 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7460 * genpreds.c (write_insn_constraint_len): Change definition of
7461 insn_constraint_len to return size_t to match the declaration.
7463 2006-03-10 DJ Delorie <dj@redhat.com>
7465 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7467 (m32c_expand_insv): Fix test for an AND mask.
7469 2006-03-10 Richard Guenther <rguenther@suse.de>
7472 * builtins.c (get_pointer_alignment): Handle component
7473 references for field alignment.
7475 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7477 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7478 when building with libgloss.
7479 (sh*elf): Implement --without-fp option.
7480 (sh64-superh-linux*): Don't multilib.
7482 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7484 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7486 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7488 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7489 Set it when one of the replacement functions returned true.
7490 Return TODO_cleanup_cfg if cfgchanged is true.
7491 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7493 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7495 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7496 instead of gen_lowpart.
7498 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7500 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7502 (mips_output_order_conditional_branch): Declare.
7503 * config/mips/mips.h (MIPS_BRANCH): New macro.
7504 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7505 for the comparison. Use gen_condjump.
7506 (mips_output_conditional_branch): Rework interface to take the
7507 asm templates for a direct branch and the inverse of a direct branch.
7508 (mips_output_order_conditional_branch): New function.
7509 (mips_builtin_branch_and_move): New function.
7510 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7511 branch condition. Use gen_single_cc as the condition for
7512 __builtin_mips_upper_* or __builtin_mips_lower_*.
7513 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7514 Use VOIDmode for the branch condition.
7515 * config/mips/predicates.md (order_operator): New predicate.
7516 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7517 (branch_fp): Rename to...
7518 (*branch_fp): ...this. Remove mode from comparison operator.
7519 Use new mips_output_conditional_branch interface.
7520 (branch_fp_inverted): Rename to...
7521 (*branch_fp_inverted): ...this and update as for *branch_fp.
7522 (*branch_zero<mode>): Rename to...
7523 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7524 Use mips_output_order_conditional_branch. Only accept ordered
7526 (*branch_zero<mode>_inverted): Rename to...
7527 (*branch_order<mode>_inverted): ...this and update as for
7528 *branch_order<mode>.
7529 (*branch_equality<mode>): Accept zero as the second operand to
7530 the equality operator. Use the new mips_output_conditional_branch
7532 (*branch_equality<mode>_inverted): Likewise.
7533 (condjump): New expander.
7534 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7536 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7537 (bc1any2t, bc1any2f): Likewise.
7538 (single_cc): New expander.
7539 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7541 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7543 * doc/md.texi: Update documentation of MIPS constraints.
7544 * config/mips/constraints.md: New file.
7545 * config/mips/mips.md: Include it.
7546 * config/mips/mips.c (mips_char_to_class): Delete.
7547 (override_options): Don't initialize mips_char_to_class.
7548 * config/mips/mips.h (mips_char_to_class): Delete.
7549 (REG_CLASS_FROM_LETTER): Delete.
7550 (CONST_OK_FOR_LETTER_P): Delete.
7551 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7552 (EXTRA_CONSTRAINT_Y): Delete.
7553 (EXTRA_CONSTRAINT_STR): Delete.
7554 (CONSTRAINT_LEN): Delete.
7555 (EXTRA_MEMORY_CONSTRAINT): Delete.
7557 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7559 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7560 original fn's eh regions.
7562 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7564 * fold-const.c (build_range_check): Make sure to use a valid type to
7565 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7568 (range_predecessor): New static function.
7569 (range_successor): Likewise.
7570 (merge_ranges): Use them to compute predecessors and successors of
7573 2006-03-09 Roger Sayle <roger@eyesopen.com>
7576 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7577 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7579 2006-03-08 DJ Delorie <dj@redhat.com>
7581 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7582 (addpsi3): Expand to include memory operands. Remove
7583 reload-specific splits.
7584 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7585 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7586 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7587 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7588 (shift1_qi, shift1_hi, insv): New.
7589 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7590 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7591 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7593 * config/m32c/m32c-protos.h: Update as needed.
7594 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7595 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7596 Fail for unrecognized R* constraints.
7597 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7598 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7599 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7601 (m32c_init_libfuncs): New.
7602 (m32c_legitimate_address_p): Add debug wrapper.
7603 (m32c_rtx_costs): New.
7604 (m32c_address_cost): New.
7605 (conversions): Add 'B' prefix.
7606 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7607 operands, or word regnames for QI operands. 'B' prints bit
7609 (m32c_expand_setmemhi): New.
7610 (m32c_expand_movmemhi): New.
7611 (m32c_expand_movstr): New.
7612 (m32c_expand_cmpstr): New.
7613 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7614 (m32c_expand_neg_mulpsi3): Handle non-ints.
7615 (m32c_cmp_flg_0): New.
7616 (m32c_expand_movcc): New.
7617 (m32c_expand_insv): New.
7618 (m32c_scc_pattern): New.
7619 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7620 a0/a1 out of SIregs.
7621 (STORE_FLAG_VALUE): New.
7622 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7625 * config/m32c/mov.md: Make constraints more liberal.
7626 (zero_extendqihi2): Optimize r0/r1 case.
7627 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7628 * config/m32c/predicates.md (m32c_any_operand): New.
7629 (m32c_nonimmediate_operand): New.
7630 (m32c_hl_operand): New.
7631 (m32c_r3_operand): New.
7634 (memsym_operand): New.
7635 (memimmed_operand): New.
7636 (a_qi_operand): New.
7637 (m32c_eqne_operator): New.
7638 (m32c_1bit8_operand): New.
7639 (m32c_1bit16_operand): New.
7640 (m32c_1mask8_operand): New.
7641 (m32c_1mask16_operand): New.
7642 * config/m32c/blkmov.md: New file.
7643 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7645 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7647 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7648 unsigned to fix signed/unsigned comparison issue in
7649 DWARF2_FRAME_REG_OUT.
7650 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7651 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7653 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7654 of ptr into the ENABLE_CHECKING section.
7656 2006-03-08 Jeff Law <law@redhat.com>
7658 * tree-vrp.c (infer_value_range): Only count pointer uses
7659 and dereferences if -fdelete-null-pointer-checks is enabled.
7661 * tree-vrp.c (find_assert_locations): Infer value ranges for
7662 single use pointers, but do not create ASSERT_EXPRs for them.
7663 When a non-null range is inferred for a pointer, backwards
7664 propagate that range to other equivalent pointers through the
7667 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7670 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7671 language hook targets.
7672 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7673 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7674 if language hook targets were missing.
7676 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7678 * tree-ssa-opfinalize.h: Removed.
7679 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7681 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7682 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7683 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7684 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7685 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7686 finalize_ssa_v_must_def_ops): New.
7688 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7690 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7693 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7695 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7697 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7698 addresses with offsets; reorganize.
7700 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7701 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7702 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7704 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7707 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7709 2006-03-08 Ben Elliston <bje@au.ibm.com>
7711 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7713 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7716 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7719 2006-03-07 Richard Guenther <rguenther@suse.de>
7721 PR tree-optimization/26587
7722 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7724 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7726 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7728 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7730 * hooks.c (hook_bool_mode_rtx_true): New function.
7731 * hooks.h (hook_bool_mode_rtx_true): Declare.
7732 * toplev.c (compile_file): Call output_shared_constant_pool.
7733 * varasm.c (shared_constant_pool): New variable.
7734 (assemble_start_function, assemble_end_function): Remove arguments
7735 from call to output_constant_pool.
7736 (create_constant_pool): New function, split out from...
7737 (init_varasm_status): ...here.
7738 (force_const_mem): Choose between the shared and per-function constant
7739 pools. Set current_function_uses_const_pool when reusing old entries
7740 as well as when creating new ones.
7741 (mark_constant): Ignore data argument.
7742 (mark_constants): Remove pool argument.
7743 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7744 to decide whether the function uses a constant pool.
7745 (output_constant_pool_contents): New function, split out from...
7746 (output_constant_pool): ...here.
7747 (output_shared_constant_pool): New function.
7748 (init_varasm_once): Initialize shared_constant_pool.
7749 * output.h (output_constant_pool): Delete.
7750 (output_shared_constant_pool): Declare.
7751 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7752 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7754 2006-03-06 Nick Clifton <nickc@redhat.com>
7756 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7757 flag_strength_reduce.
7759 2006-03-06 Ben Elliston <bje@au.ibm.com>
7761 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7762 x86_64-*-linux* configurations.
7764 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7765 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7767 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7769 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7771 * basic-block.h: Remove the extern for
7772 rediscover_loops_after_threading.
7774 * cfgloop.c (cancel_loop): Make it static.
7775 * cfgloop.h: Remove the prototype for cancel_loop.
7777 * flow.c (recompute_reg_usage): Make it static.
7778 * rtl.h: Remove the prototype for recompute_reg_usage.
7780 * function.c (use_return_register): Make it static.
7781 * function.h: Remove the prototype.
7783 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7785 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7787 * recog.h: Remove the prototype for
7788 validate_change_maybe_volatile.
7790 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7792 * rtlanal.c (replace_reg): Remove.
7793 * rtl.h: Remove the prototype for replace_reg.
7795 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7797 * regclass.c (reg_scan_update): Remove.
7798 (reg_scan_mark_refs): Remove the last argument.
7799 * rtl.h: Remove the prototype for reg_scan_update.
7801 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7803 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7804 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7805 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7806 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7807 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7808 loop-invariant.c, omp-low.c, opts.c, passes.c,
7809 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7810 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7811 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7812 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7813 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7814 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7816 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7818 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7819 * dwarf2out.h: Remove the prototype for
7820 dwarf2out_add_library_unit_info.
7822 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7824 * tree.c (add_var_to_bind_expr): Remove.
7825 * tree.h: Remove the prototype for add_var_to_bind_expr.
7827 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7829 * regclass.c (n_non_fixed_regs): Remove.
7830 (init_reg_sets_1, globalize_reg): Remove all uses of
7832 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7834 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7836 * rtlanal.c (insns_safe_to_move_p): Remove.
7837 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7839 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7841 * expmed.c (expand_mult_add): Remove.
7842 * expr.h: Remove the prototype for expand_mult_add.
7844 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7846 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7847 and REG_SAVED_VAL_EXP constants.
7848 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7849 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7850 Handle regs stored by value.
7851 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7852 (execute_cfa_program): Handle DW_CFA_val_offset,
7853 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7854 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7855 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7856 (uw_install_context_1): Handle target regs stored by value.
7858 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7860 * tree-sra.c (tree_sra): Return todoflags;
7861 (generate_one_element): Set TODO_update_smt_usage if needed.
7862 (pass_sra): Remove TODO_update_smt_usage.
7863 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7865 (tree_ssa_forward_propagate_single_use_vars): Return
7866 TODO_update_smt_usage if we need to update SMT usage.
7867 (pass_forwprop): Remove TODO_update_smt_usage.
7869 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7871 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7872 (correct_use_link): Remove reference to get_stmt_operands.
7873 (update_stmt_operands): Likewise.
7874 (get_modify_expr_operands): New function factored out of
7875 parse_ssa_operands and get_expr_operands.
7876 Try to create V_MUST_DEFs for LHS by default.
7877 (get_expr_operands) <case MODIFY_EXPR>: Call
7878 get_modify_expr_operands.
7879 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7880 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7881 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7882 get_modify_expr_operands.
7884 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7886 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7887 * tree-flow.h: Remove the prototype for
7888 referenced_var_lookup_if_exists.
7890 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7892 PR rtl-optimization/26345
7894 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7896 2006-03-03 Roger Sayle <roger@eyesopen.com>
7898 PR tree-optimization/26524
7899 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7900 fold_convert to create a constant of the appropriate type.
7902 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7904 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7905 SYMBOL_REF_IN_BLOCK_P.
7906 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7907 of SYMBOL_FLAG_IN_BLOCK.
7908 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7909 instead of SYMBOL_REF_IN_BLOCK_P.
7910 * explow.c (use_anchored_address): Likewise.
7911 * rtl.c (rtx_size): Likewise.
7912 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7913 instead of SYMBOL_FLAG_IN_BLOCK.
7914 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7915 SYMBOL_REF_IN_BLOCK_P.
7916 (assemble_variable): Likewise.
7917 (output_constant_def_contents): Likewise.
7918 (output_constant_pool): Likewise.
7919 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7920 instead of SYMBOL_FLAG_IN_BLOCK.
7921 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7922 SYMBOL_REF_IN_BLOCK_P.
7923 (SYMBOL_REF_BLOCK): Likewise.
7924 (SYMBOL_REF_OFFSET): Likewise.
7925 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7926 SYMBOL_REF_IN_BLOCK_P.
7927 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7928 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7929 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7930 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7932 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7934 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7936 2006-03-02 Roger Sayle <roger@eyesopen.com>
7938 * simplify-rtx.c (simplify_unary_operation): When simplifying
7939 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7940 that we perform the right shift in the appropriate mode, and
7941 then extend or truncate the result to requested mode.
7943 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7945 * gengtype.c (main): Handle double_int type.
7946 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7947 * double-int.c: New file.
7948 * double-int.h: New file.
7949 * system.h: Include doubleint.h.
7950 * Makefile.in (SYSTEM_H): Include double-int.h.
7951 (double-int.o): Add.
7953 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7956 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7959 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7961 * tree-vrp.c (remove_range_assertions): Do not update statements
7964 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7966 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7968 * gcse.c (rest_of_handle_gcse): Ditto.
7969 * except.c (gate_handle_eh): Ditto.
7970 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7971 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7973 2006-03-02 Eric Christopher <echristo@apple.com>
7975 * config/i386/i386.c (machopic_output_stub): Add indirection to
7978 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7982 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7984 Sun Niagara specific optimizations.
7985 * config.gcc: Recognize niagara as target.
7986 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7987 (TARGET_CPU_niagara): Define.
7988 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7989 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7990 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7991 (ASM_CPU_SPEC): Likewise.
7992 (PROCESSOR_NIAGARA): New enum entry.
7993 (REGISTER_MOVE_COST): Handle Niagara.
7994 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7995 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7996 (sparc_override_options): Recognize "niagara", set appropriate
7997 default MASK_* values for it, and align functions to 32-bytes
7998 by default just like ULTRASPARC/ULTRASPARC3.
7999 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8000 (sparc64_initialize_trampoline): Likewise.
8001 (sparc_use_sched_lookahead): Use zero for niagara.
8002 (sparc_issue_rate): Use one for niagara.
8003 * config/sparc/niagara.md: New file.
8004 * config/sparc/sparc.md: Include it.
8005 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8006 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8007 when default cpu is niagara.
8008 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8009 (ASM_CPU_SPEC): Likewise.
8010 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8011 when default cpu is niagara.
8012 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8013 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8014 just like v9/ultrasparc/ultrasparc3.
8015 * doc/invoke.texi: Add documentation for "niagara" and improve
8016 existing documentation for ultrasparc variants.
8018 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8020 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8022 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8024 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8025 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8026 and say that only one is needed.
8027 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8028 * target.h (have_switchable_bss_sections): New hook.
8029 * explow.c (use_anchored_address): Check that the symbol is in a block.
8030 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8031 (bss_noswitch_section): New variables.
8032 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8033 (get_noswitch_section): New function.
8034 (get_block_for_section): Allow SECT to be null.
8035 (unlikely_text_section_p): Use SECTION_STYLE.
8036 (bss_initializer_p): New function.
8037 (get_variable_section): Move earlier in file. Take a new argument,
8038 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8039 Return one of the new *_sections in such cases.
8040 (get_block_for_decl): New function, extracting some logic from
8041 use_blocks_for_decl_p.
8042 (change_symbol_section): Remove in favor of...
8043 (change_symbol_block): ...this new function.
8044 (use_blocks_for_decl_p): Remove checks now performed by
8046 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8047 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8048 (emit_local, emit_bss, emit_common): ...these new functions.
8049 Return true if the alignment was honored.
8050 (emit_tls_common): New function.
8051 (asm_emit_uninitialised): Delete.
8052 (assemble_variable_noswitch): New function, split out from...
8053 (assemble_variable): ...here. Don't make decisions about common
8054 variables here. Globalize all public decls that go into non-common
8055 sections. Check whether SYMBOL_REF_BLOCK is null.
8056 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8057 (output_constant_pool): Likewise.
8058 (init_varasm_once): Initialize the new section variables.
8059 (have_global_bss_p): New function.
8060 (categorize_decl_for_section): Use bss_initializer_p.
8061 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8062 (place_block_symbol): Assert that the symbol must be in a block.
8063 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8064 (TARGET_INITIALIZER): Include it.
8065 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8066 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8067 (SECTION_MACH_DEP): Bump by two.
8068 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8069 (unnamed_section): Mention SECTION_UNNAMED in comment.
8070 (named_section): Likewise SECTION_NAMED.
8071 (noswitch_section_callback): New type.
8072 (noswitch_section): New structure.
8073 (section): Add a noswitch_section alternative.
8074 (SECTION_STYLE): New macro.
8075 (tls_comm_section, comm_section, lcomm_section): Declare.
8076 (bss_noswitch_section, have_global_bss_p): Declare.
8077 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8078 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8080 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8081 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8084 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8086 * tree-vrp.c (execute_vrp): Return value.
8087 * regrename.c (rest_of_handle_regrename): Ditto.
8088 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8089 * tree-complex.c (tree_lower_complex): Ditto.
8090 (tree_lower_complex_O0): Ditto.
8091 * tracer.c (rest_of_handle_tracer): Ditto.
8092 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8093 * postreload.c (rest_of_handle_postreload): Ditto.
8094 * tree-tailcall.c (execute_tail_recursion): Ditto.
8095 (execute_tail_calls): Ditto.
8096 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8097 * tree.h (init_function_for_compilation): Ditto.
8098 * ipa-cp.c (ipcp_driver): Ditto.
8099 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8100 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8101 * final.c (compute_alignments): Ditto.
8102 (rest_of_handle_final): Ditto.
8103 (rest_of_handle_shorten_branches): Ditto.
8104 (rest_of_clean_state): Ditto.
8105 * omp-low.c (execute_expand_omp): Ditto.
8106 (execute_lower_omp): Ditto.
8107 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8108 * ipa-reference.c (static_execute): Ditto.
8109 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8110 * reorg.c (rest_of_handle_delay_slots): Ditto.
8111 (rest_of_handle_machine_reorg): Ditto.
8112 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8113 * flow.c (recompute_reg_usage): Ditto.
8114 (rest_of_handle_remove_death_notes): Ditto.
8115 (rest_of_handle_life): Ditto.
8116 (rest_of_handle_flow2): Ditto.
8117 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8118 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8119 (do_ssa_store_ccp): Ditto.
8120 (execute_fold_all_builtins): Ditto.
8121 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8122 * modulo-sched.c (rest_of_handle_sms): Ditto.
8123 * ipa-pure-const.c (static_execute): Ditto.
8124 * cse.c (rest_of_handle_cse): Ditto.
8125 (rest_of_handle_cse2): Ditto.
8126 * web.c (rest_of_handle_web): Ditto.
8127 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8128 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8129 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8130 * tree-nrv.c (tree_nrv): Ditto.
8131 (execute_return_slot_opt): Ditto.
8132 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8133 (create_structure_vars): Ditto.
8134 * loop-init.c (rtl_loop_init): Ditto.
8135 (rtl_loop_done): Ditto.
8136 (rtl_move_loop_invariants): Ditto.
8137 (rtl_unswitch): Ditto.
8138 (rtl_unroll_and_peel_loops): Ditto.
8139 (rtl_doloop): Ditto.
8140 * gimple-low.c (lower_function_body): Ditto.
8141 (mark_used_blocks): Ditto.
8142 * tree-ssa-sink.c (execute_sink_code): Ditto.
8143 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8144 (cgraph_early_inlining): Ditto.
8145 * global.c (rest_of_handle_global_alloc): Ditto.
8146 * jump.c (cleanup_barriers): Ditto.
8147 (purge_line_number_notes): Ditto.
8148 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8149 (rest_of_handle_if_after_reload): Ditto.
8150 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8151 (tree_ssa_loop_im): Ditto.
8152 (tree_ssa_loop_unswitch): Ditto.
8153 (tree_vectorize): Ditto.
8154 (tree_linear_transform): Ditto.
8155 (tree_ssa_loop_ivcanon): Ditto.
8156 (tree_ssa_empty_loop): Ditto.
8157 (tree_ssa_loop_bounds): Ditto.
8158 (tree_complete_unroll): Ditto.
8159 (tree_ssa_loop_prefetch): Ditto.
8160 (tree_ssa_loop_ivopts): Ditto.
8161 (tree_ssa_loop_done): Ditto.
8162 * predict.c (tree_estimate_probability): Ditto.
8163 * recog.c (split_all_insns_noflow): Ditto.
8164 (rest_of_handle_peephole2): Ditto.
8165 (rest_of_handle_split_all_insns): Ditto.
8166 * tree-eh.c (lower_eh_constructs): Ditto.
8167 * regmove.c (rest_of_handle_regmove): Ditto.
8168 (rest_of_handle_stack_adjustments): Ditto.
8169 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8170 * function.c (instantiate_virtual_regs): Ditto.
8171 (init_function_for_compilation): Ditto.
8172 (rest_of_handle_check_leaf_regs): Ditto.
8173 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8174 (rest_of_handle_gcse): Ditto.
8175 * ipa-type-escape.c (type_escape_execute): Ditto.
8176 * alias.c (rest_of_handle_cfg): Ditto.
8177 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8178 * profile.c (rest_of_handle_branch_prob): Ditto.
8179 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8180 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8181 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8182 * tree-dfa.c (find_referenced_vars): Ditto.
8183 * except.c (set_nothrow_function_flags): Ditto.
8184 (convert_to_eh_region_ranges): Ditto.
8185 (rest_of_handle_eh): Ditto.
8186 * emit-rtl.c (unshare_all_rtl): Ditto.
8187 (remove_unnecessary_notes): Ditto.
8188 * except.h (set_nothrow_function_flags): Ditto.
8189 (convert_to_eh_region_ranges): Ditto.
8190 * cfgexpand.c (tree_expand_cfg): Ditto.
8191 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8192 * tree-ssa-pre.c (do_pre): Ditto.
8193 (execute_fre): Ditto.
8194 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8195 (rest_of_handle_jump2): Ditto.
8196 * tree-sra.c (tree_sra): Ditto.
8197 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8198 (execute_mudflap_function_decls): Ditto.
8199 * tree-ssa-copy.c (do_copy_prop): Ditto.
8200 (do_store_copy_prop): Ditto.
8201 * ipa-prop.h (ipcp_driver): Ditto.
8202 * cfglayout.c (insn_locators_initialize): Ditto.
8203 * tree-ssa-forwprop.c
8204 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8205 * cfglayout.h (insn_locators_initialize): Ditto.
8206 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8207 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8208 (execute_late_warn_uninitialized): Ditto.
8209 * rtl.h (cleanup_barriers): Ditto.
8210 (split_all_insns_noflow): Ditto.
8211 (purge_line_number_notes): Ditto.
8212 (unshare_all_rtl): Ditto.
8213 (remove_unnecessary_notes): Ditto.
8214 (recompute_reg_usage): Ditto.
8215 (variable_tracking_main): Ditto.
8216 * integrate.c (emit_initial_value_sets): Ditto.
8217 * integrate.h (emit_initial_value_sets): Ditto.
8218 * tree-optimize.c (execute_free_datastructures): Ditto
8219 (execute_free_cfg_annotations): Ditto.
8220 (execute_fixup_cfg): Ditto.
8221 (execute_cleanup_cfg_pre_ipa): Ditto.
8222 (execute_cleanup_cfg_post_optimizing): Ditto.
8223 (execute_init_datastructures): Ditto.
8224 * tree-object-size.c (compute_object_sizes): Ditto.
8225 * combine.c (rest_of_handle_combine): Ditto.
8226 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8227 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8228 (rest_of_handle_reorder_blocks): Ditto.
8229 (rest_of_handle_partition_blocks): Ditto.
8230 * var-tracking.c (variable_tracking_main): Ditto.
8231 * tree-profile.c (tree_profiling): Ditto.
8232 * tree-vect-generic.c (expand_vector_operations): Ditto.
8233 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8234 * sched-rgn.c (rest_of_handle_sched): Ditto.
8235 (rest_of_handle_sched2): Ditto.
8236 * basic-block.h (free_bb_insn): Ditto.
8237 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8238 * tree-cfg.c (execute_build_cfg): Ditto.
8239 (remove_useless_stmts): Ditto.
8240 (split_critical_edges): Ditto.
8241 (execute_warn_function_return): Ditto.
8242 (execute_warn_function_noreturn): Ditto.
8243 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8244 * cfgrtl.c (free_bb_for_insn): Ditto.
8245 * passes.c (execute_one_pass): Run additional
8246 todos returned by execute function.
8247 * tree-pass.h (struct tree_opt_pass): Make execute
8250 2006-03-02 Richard Guenther <rguenther@suse.de>
8252 * tree-ssa-alias.c (find_used_portions): Consider taking
8253 the address as making the variable not write-only.
8255 2006-03-02 Nick Clifton <nickc@redhat.com>
8257 * config.gcc (default_use_cxa_atexit): Extend the description of
8258 this configure variable. Set its default value to "yes" for
8259 Linux, NetBSD and ELF targets on the assumption that they will
8260 use C libraries with the __cxa_atexit function.
8262 2006-03-02 Ben Elliston <bje@au.ibm.com>
8264 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8265 parameter as unused to suppress a build warning.
8267 2006-03-02 Ben Elliston <bje@au.ibm.com>
8269 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8272 2006-03-01 Roger Sayle <roger@eyesopen.com>
8275 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8276 declared name, the weak reference name, and the typeof name.
8277 (__gthrw): Avoid expanding the declared name suffix.
8278 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8280 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8282 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8284 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8285 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8286 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8287 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8288 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8289 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8290 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8291 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8292 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8293 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8294 (DW_END_default, DW_END_big, DW_END_little): New.
8295 (DW_END_lo_user, DW_END_hi_user): Define.
8296 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8297 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8298 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8301 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8303 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8305 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8307 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8309 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8311 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8312 to 'symbol_mem_tag'.
8314 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8317 2006-03-01 Roger Sayle <roger@eyesopen.com>
8319 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8321 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8324 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8325 MACHO_DYNAMIC_NO_PIC_P.
8326 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8328 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8331 * config/darwin-protos.h (darwin_asm_output_anchor):
8333 * config/darwin-sections.def (cstring_section):
8334 Add SECTION_MERGE to the flags.
8335 (literal4_section): Likewise.
8336 (literal8_section): Likewise.
8337 (objc_selector_refs_section): Likewise.
8338 (objc_cls_refs_section): Likewise.
8339 * config/darwin.c (darwin_asm_output_anchor): New
8341 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8343 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8345 Fix PR tree-optimization/26443
8346 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8347 to todo and PROP_tmt_usage to properties_destroyed.
8348 * tree-ssa-ccp.c (pass_ccp): Ditto.
8349 (pass_store_ccp): Ditto.
8350 * tree-ssa-dom.c (pass_dominator): Ditto.
8352 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8354 * tree-ssa-operands.c: Cleanup whitespace.
8355 (get_asm_expr_operands): Move before first invocation.
8356 (get_indirect_ref_operands): Likewise.
8357 (get_tmr_operands): Likewise.
8358 (get_call_expr_operands): Likewise.
8359 (append_def): Likewise.
8360 (append_use): Likewise.
8361 (append_v_may_def): Likewise.
8362 (append_v_must_def): Likewise.
8363 (add_call_clobber_ops): Likewise.
8364 (add_call_read_ops): Likewise.
8365 (add_stmt_operand): Likewise.
8366 (add_virtual_operand): Likewise.
8367 (build_ssa_operands): Likewise.
8369 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8374 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8375 with a call expr to ...
8376 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8378 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8380 * tree-vrp.c (extract_range_from_assert): Remove special
8381 handling for types with super-types.
8383 2006-03-01 Ben Elliston <bje@au.ibm.com>
8385 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8386 and powerpc64-*-linux* configurations.
8387 * config/t-dfprules: New file.
8389 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8390 Compile dfp-bit.c from the source directory using -DWIDTH and
8391 $DFP_CFLAGS to control the compilation of that file, rather than
8392 generating width-specific versions in the build directory.
8393 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8394 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8396 2006-02-28 Zack Weinberg <zackw@panix.com>
8398 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8401 2006-02-28 Eric Christopher <echristo@apple.com>
8403 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8404 Set up IN_LIBGCC definition of TARGET_64BIT.
8405 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8407 2006-02-28 Roger Sayle <roger@eyesopen.com>
8410 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8411 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8412 cases via the construction of "expr != 0".
8414 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8416 * alias.c (alias_invariant, alias_invariant_size): Remove.
8417 (record_base_value): Remove.
8418 (memrefs_conflict_p): Don't look at alias_invariant.
8419 (end_alias_analysis): Don't free it.
8420 * alias.h (record_base_value): Remove prototype.
8422 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8423 Adam Nemet <anemet@caviumnetworks.com>
8425 * rtl.h (truncated_to_mode): Declare it.
8426 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8427 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8428 (RTL_HOOKS_INITIALIZER): Include it.
8429 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8430 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8431 reg_truncated_to_mode.
8432 * rtlanal.c (truncated_to_mode): Define it.
8433 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8435 2006-02-28 Jeff Law <law@redhat.com>
8437 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8438 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8439 the range allowed by TYPE_PRECISION.
8441 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8443 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8445 PR tree-optimization/26419
8446 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8449 2006-02-27 Zack Weinberg <zackw@panix.com>
8451 * doc/md.texi: Fix typo in previous change.
8453 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8457 2006-02-27 Zack Weinberg <zackw@panix.com>
8459 * rtl.def (define_constraint, define_register_constraint)
8460 (define_memory_constraint, define_address_constraint): New MD forms.
8461 * gensupport.c (process_rtx): Put define_constraint etc on the
8463 * genpreds.c (process_define_predicate): Adjust comment. Validate
8464 the name, and call validate_exp to validate the expression.
8465 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8466 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8467 all callers changed.
8468 (validate_exp, needs_variable, struct constraint_data)
8469 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8470 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8471 (const_dbl_constraints, constraint_max_namelen)
8472 (have_register_constraints, have_memory_constraints)
8473 (have_address_constraints, have_address_constraints)
8474 (have_extra_constraints, have_const_int_constraints)
8475 (have_const_dbl_constraints, mangle, add_constraint)
8476 (process_define_constraint, process_define_register_constraint)
8477 (write_enum_constraint_num, write_lookup_constraint)
8478 (write_insn_constraint_len, write_regclass_for_constraint)
8479 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8480 (write_insn_extra_memory_constraint)
8481 (write_insn_extra_address_constraint)
8482 (write_satisfies_constraint_fns): New.
8483 (write_tm_preds_h): If we have new-style constraint definitions,
8484 prototype the functions generated from them, and define the
8485 old constraint interface (still used by generic code) in terms of
8487 (write_insn_preds_c): If we have new-style constraint definitions,
8488 generate all relevant functions from those definitions.
8489 (main): Handle define_constraint etc.
8490 * genoutput.c (struct constraint_data, indep_constraints)
8491 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8492 (mdep_constraint_len): New data structures and functions, defined
8493 #ifdef USE_MD_CONSTRAINTS.
8494 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8495 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8496 use new logic to validate operand constraints against constraint
8498 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8500 * defaults.h: If none of the old-style constraint macros are
8501 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8502 old-style macros; and poison REG_CLASS_FROM_LETTER,
8503 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8505 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8506 * doc/md.texi: Document new constraint-definition mechanism and the
8507 C interface it provides. Remove references to old mechanism
8508 elsewhere in the document.
8509 (Machine Constraints): Use pathnames relative to gcc directory,
8510 i.e. config/ARCH/FILE. Change i386 section to refer to
8511 config/i386/predicates.md; update that section to match docstrings.
8512 * doc/tm.texi: Move all documentation of the old constraint-
8513 definition macros to their own section, clearly mark as obsolete.
8515 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8516 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8518 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8519 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8520 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8522 (splits and peepholes): Use satisfies_constraint_*.
8523 * config/i386/i386.c (memory_address_length)
8524 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8526 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8528 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8529 scalar operation to be put back into the loop.
8531 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8534 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8535 (extract_cie_info): Handle S flag in augmentation string.
8536 (execute_cfa_program): If context->signal_frame, execute also
8537 fs->pc == context->ra instructions.
8538 (uw_frame_state_for): If context->signal_frame, don't subtract one
8539 from context->ra to find FDE.
8540 (uw_update_context_1): Set context->signal_frame to
8542 (_Unwind_GetIPInfo): New function.
8543 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8544 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8546 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8547 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8548 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8549 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8550 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8551 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8552 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8553 x86_64_fallback_frame_state): Set fs->signal_frame.
8554 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8555 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8556 (frob_update_context): Likewise. Workaround missing S flag in
8557 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8558 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8559 Remove the psw_addr + 1 hack.
8561 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8563 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8564 with aggregates here.
8565 (find_func_aliases): Remove code for &<aggregate> from here.
8567 2006-02-26 Roger Sayle <roger@eyesopen.com>
8569 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8570 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8571 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8574 2006-02-26 Roger Sayle <roger@eyesopen.com>
8577 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8579 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8581 * opts.c (decode_options): Do not handle flag_strength_reduce.
8582 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8583 and OPT_fstrength_reduce.
8584 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8585 flag_prefetch_loop_arrays for being nonzero.
8586 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8588 (fprefetch-loop-arrays-rtl): Removed.
8589 (flag_prefetch_loop_arrays): Do not specify the value.
8591 * doc/passes.texi: Update documentation of loop optimizer
8593 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8594 -frerun-loop-opt): Remove.
8596 2006-02-26 Richard Guenther <rguenther@suse.de>
8598 PR tree-optimization/26421
8599 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8600 in function calls that are ADDR_EXPRs as using the whole structure.
8602 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8604 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8605 * tree-pass.h (pass_loop_optimize): Remove.
8606 * passes.c (pass_loop_optimize): Never run it.
8607 * toplev.c (backend_init): Don't call init_loop.
8608 * opts.c (flag_loop_optimize_set): Remove.
8609 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8610 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8611 the old RTL loop optimizer when profiling enabled.
8612 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8613 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8614 pre-headers for the sake of the old RTL loop optimizer.
8615 * Makefile.in: Remove all references to loop.o.
8617 * doc/invoke.texi: Remove all references to -floop-optimize
8618 and -frerun-loop-opt.
8620 2006-02-26 Zack Weinberg <zackw@panix.com>
8622 * doc/md.texi (Machine Constraints): Refer to all files with paths
8623 relative to gcc directory (i.e. config/CPU/file). Add missing
8624 @table @code ... @end table to M32C subsection.
8626 2006-02-26 Roger Sayle <roger@eyesopen.com>
8628 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8630 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8632 2006-02-26 Roger Sayle <roger@eyesopen.com>
8633 James A. Morrison <phython@gcc.gnu.org>
8636 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8637 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8638 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8639 signedness of the shift operation.
8641 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8643 PR tree-optimization/26359
8644 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8646 2006-02-25 Roger Sayle <roger@eyesopen.com>
8648 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8649 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8650 as X == 0, and some symmetry related transformations.
8651 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8653 2006-02-25 Roger Sayle <roger@eyesopen.com>
8656 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8657 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8658 symmetry related transformations. Fold (X^C1) == C2 as
8661 2006-02-25 Juergen Weigert <jw@suse.de>
8662 Richard Guenther <rguenther@suse.de>
8664 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8666 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8668 * combine.c (gen_lowpart_or_truncate): Call
8669 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8671 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8673 * doc/invoke.texi: Move -fopenmp description to "Options for
8675 Remove reference to -lgomp.
8677 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8679 * doc/install.texi: Require GNU tar version 1.14.
8681 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8683 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8684 * doc/invoke.texi (C++ Dialect Options): Document
8685 -fno-use-cxa-get-exception-ptr.
8686 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8687 * configure: Regenerate.
8688 * c.opt (fuse-cxa-get-exception-ptr): New.
8689 * c-opts.c (c_common_handle_option): Handle
8690 OPT_fuse_cxa_get_exception_ptr.
8691 * c-common.c (flag_use_cxa_atexit): Update documentation.
8692 (flag_use_cxa_get_exception_ptr): New.
8693 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8694 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8696 (C_COMMON_OVERRIDE_OPTIONS): New.
8698 2006-02-24 Roger Sayle <roger@eyesopen.com>
8701 * combine.c (try_combine): Explicitly check whether GET_CODE is
8702 a SET or a CLOBBER, instead on checking that it isn't a USE.
8704 2006-02-24 Roger Sayle <roger@eyesopen.com>
8706 * fold-const.c (fold_comparison): New subroutine of fold_binary
8707 containing transformations common to both the equality and
8708 ordering relational operators, factored out of fold_binary.
8709 (fold_binary): Separate out the equality operators (EQ_EXPR
8710 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8711 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8712 transformations common to both.
8713 (fold_div_compare): Fix latent bugs in the previously unreachable
8714 LT_EXPR and GE_EXPR cases.
8716 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8718 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8719 decl libname for clog to __clog on AIX.
8721 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8723 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8726 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8727 output traceback table for thunks. Localise rs6000_stack_info call.
8729 2006-02-23 Roger Sayle <roger@eyesopen.com>
8730 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8732 * gthr-posix.h (__gthrw): Fix typo in comment.
8734 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8736 * doc/cpp.texi (Character sets): Document that we do support
8737 input files to be in any character set.
8739 2006-02-23 Jeff Law <law@redhat.com>
8741 * tree.h (PHI_ARG_NONZERO): Remove.
8742 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8743 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8744 node to the new node.
8746 PR tree-optimization/26425
8747 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8748 min/max, then assume its varying.
8750 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8752 PR rtl-optimization/26316
8753 * rtlanal.c (enum may_trap_p_flags): New.
8754 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8755 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8756 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8757 (may_trap_after_code_motion_p): New function.
8758 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8759 (find_invariant_insn): Use may_trap_after_code_motion_p.
8760 * rtl.h (may_trap_after_code_motion_p): Declare.
8762 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8764 * emit-rtl.c (immed_double_const): Cleanup.
8766 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8768 Fix PR tree-optimization/26376
8769 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8772 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8775 * gimplify.c (omp_add_variable): Guard variable size decl test with
8776 DECL_SIZE (decl) check.
8778 2006-02-23 Richard Guenther <rguenther@suse.de>
8781 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8782 like aggregate types.
8784 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8786 * configure.ac: Add --with{,out}-long-double-128 configure option.
8787 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8788 * configure: Rebuilt.
8789 * config.in: Rebuilt.
8790 * doc/install.texi (Options specification): Document
8791 --with-long-double-128.
8793 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8794 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8795 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8796 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8798 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8800 * config/s390/s390.c (override_options): Handle
8801 TARGET_DEFAULT_LONG_DOUBLE_128.
8803 * config/alpha/alpha.c (override_options): Handle
8804 TARGET_DEFAULT_LONG_DOUBLE_128.
8806 * config/sparc/sparc.c (sparc_override_options): Handle
8807 TARGET_DEFAULT_LONG_DOUBLE_128.
8809 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8811 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8812 (real-install-headers-tar, real-install-headers-cpio)
8813 (real-install-headers-cp): New targets.
8815 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8817 * tree.h (variable_section): Delete.
8818 * varasm.c (variable_section): Delete.
8820 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8822 * install.texi: Add notes on install.texi2html.
8823 (Building in parallel): Do not use footnotes.
8825 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8828 * doc/install.texi (Configuration): Document --disable-libgomp.
8830 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8832 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8834 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8836 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8837 (vec_extractv2df_0_sse): New.
8839 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8841 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8842 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8843 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8844 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8845 to the result of the expression.
8846 (def_cfa_1): Adjust.
8847 (frame_pointer_cfa_offset): Rename to...
8848 (frame_pointer_fb_offset): ... this. Adjust all uses.
8849 (convert_cfa_to_loc_list): Rename to...
8850 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8851 Pass it on to build_cfa_loc.
8852 (compute_frame_pointer_to_cfa_displacement): Rename to...
8853 (compute_frame_pointer_to_fb_displacement): ... this. New
8854 offset parameter. Use it in computation.
8855 (gen_subprogram_die): Compute cfa_fb_offset with the new
8856 macro, and use it to compute the fb loc list and the
8859 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8861 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8862 replaced with register_operand.
8863 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8864 non-DREG is expensive.
8865 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8866 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8869 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8871 * doc/install.texi2html: Use set -e.
8873 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8875 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8876 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8877 * doc/invoke.texi (-fshared-data): Delete.
8878 * common.opt (fshared-data): Delete.
8879 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8880 (assemble_static_space): Remove #if 0 code.
8881 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8882 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8883 * config/cris/cris.h: Remove FIXME.
8885 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8887 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8890 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8893 * combine.c (simplify_shift_const_1): Disable nested shifts
8894 optimization for vector shifts.
8896 2006-02-20 Roger Sayle <roger@eyesopen.com>
8898 PR tree-optimization/26361
8899 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8900 of unsigned integer types.
8902 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8904 * tree-chrec.c (eq_evolutions_p): New.
8905 * tree-chrec.h (eq_evolutions_p): Declared.
8906 * tree-data-ref.c: Fix formatting.
8907 (datadep_stats, dependence_stats): New.
8909 (print_direction_vector): New.
8910 (dump_data_dependence_relation): Use print_direction_vector.
8911 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8912 (compute_subscript_distance): Static.
8913 (initialize_data_dependence_relation): Static. Get the number
8914 of loops surrounding the references from the callers, and initialize
8915 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8916 base_object_differ_p analyzers.
8917 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8918 compute_overlap_steps_for_affine_1_2,
8919 analyze_subscript_affine_affine): Count the classified dependences.
8920 Print a message when a test failed.
8921 (can_use_analyze_subscript_affine_affine): New.
8922 (analyze_siv_subscript): Compute the data dependences on symbolic
8923 scevs that verify can_use_analyze_subscript_affine_affine.
8924 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8925 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8926 Handle symbolic scevs.
8927 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8929 (subscript_dependence_tester): Moved...
8930 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8931 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8932 DDR_SIZE_VECT instead of getting it in parameter.
8933 (subscript_dependence_tester): ... here. Take as a parameter
8934 loop_nest_depth. Call build_classic_dist_vector and
8935 build_classic_dir_vector.
8936 (compute_affine_dependence): Update subscript_dependence_tester
8937 parameters. Update datadep_stats counters. Call
8938 compute_subscript_distance.
8939 (compute_self_dependence): Save the dist and dir vectors. Call
8940 compute_subscript_distance.
8941 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8942 (compute_all_dependences): Reorder parameters as they were before
8943 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8944 compute_subscript_distance. Update the use of
8945 compute_affine_dependence and initialize_data_dependence_relation.
8946 (find_data_references_in_loop): Handle COMPONENT_REF.
8947 (compute_data_dependences_for_loop): Initialize dependence_stats.
8948 Don't call build_classic_dist_vector and build_classic_dir_vector.
8949 Update the parameters of initialize_data_dependence_relation and
8950 compute_all_dependences. Print the statistics from datadep_stats.
8951 (analyze_all_data_dependences): Static. Not used until the pass for
8952 checking the data dependences is contributed.
8953 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8954 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8955 (initialize_data_dependence_relation, compute_affine_dependence,
8956 analyze_all_data_dependences, compute_subscript_distance): Removed.
8957 (print_direction_vector): New.
8958 * lambda.h (gcd): ... here.
8959 (lambda_vector_gcd): Moved here from gcd_vector.
8960 * lambda-code.c (gcd, gcd_vector): Removed.
8961 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8962 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8964 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8966 * ipa-type-escape.c: Tidy some comments and white space.
8967 * tree-ssa-operands.c: Likewise.
8969 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8972 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8973 (dump_decl_name): Do not walk the decl tree chains.
8974 * tree-pass.h (TDF_CHAIN): Remove.
8976 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8978 * Makefile.in (C): Remove
8980 (.PHONY): Remove C and PROTO
8982 2006-02-20 Roger Sayle <roger@eyesopen.com>
8985 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8986 deprecated CHAR_TYPE tree code.
8988 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8990 * configure.ac (target_list): Add install-info, dvi, html.
8991 * configure: Regenerate.
8993 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8994 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8995 treelang/Make-lang.in: Do not use double-colon rules.
8997 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8999 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9000 (TMT_USED_ALONE): New macro.
9001 * tree-pass.h (PROP_tmt_usage): New property.
9002 (TODO_update_tmt_usage): New todo.
9003 * tree-ssa-alias.c (updating_used_alone): New variable.
9004 (recalculate_used_alone): New function.
9005 (compute_may_aliases): Set updating_used_alone, call
9006 recalculate_used_alone.
9007 * tree-sra.c (pass_sra): Note that this pass destroys
9008 PROP_tmt_usage, and add TODO_update_tmt_usage.
9009 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9010 * tree-flow.h (updating_used_alone): Prototype.
9011 (recalculate_used_alone): Ditto.
9012 * passes.c (execute_todo): Add code to set updating_used_alone,
9013 and call recalculate.
9014 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9015 for clobber if used alone, and add assert to verify used_alone
9018 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9020 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9021 for non tls symbols added.
9022 (legitimize_address): Do nothing for PLUS expressions if one of the
9023 addends is a tls symbol reference.
9025 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9029 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9031 * Makefile.in (BOOTSTRAPPING): New.
9032 (quickstrap): New definition if BOOTSTRAPPING=yes.
9034 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9035 * configure.ac: Substitute all_selected_languages with the languages
9036 that were configured. For all the other variables except
9037 lang_specs_files, include all the languages in the tree.
9038 * configure: Regenerate.
9040 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9041 if there is one. Run the commands to run fixincludes in the same
9044 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9045 * doc/install.texi: Document exact conventions for searching target tools.
9046 Document --with-build-time-tools. Document toplevel bootstrap. Document
9047 something more about building an Ada cross-compiler. Don't list GNU Make
9048 requirements which affect all platforms.
9050 2006-02-19 Roger Sayle <roger@eyesopen.com>
9053 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9054 only equivalent if the have both the same mode and precision.
9056 2006-02-20 Ben Elliston <bje@au.ibm.com>
9058 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9060 2006-02-19 Roger Sayle <roger@eyesopen.com>
9061 Steven Bosscher <stevenb.gcc@gmail.com>
9063 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9064 constant pool references to identify stack mode constants.
9065 * rtlanal.c (constant_pool_constant_p): New predicate to check
9066 whether operand is a floating point constant in the pool.
9067 * rtl.h (constant_pool_constant_p): Prototype here.
9068 * loop.c (scan_loop): Avoid hoisting constants from the constant
9069 pool on STACK_REGS targets.
9070 (load_mems): Likewise.
9071 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9072 loads into x87 registers expensive in terms of register pressure.
9074 2006-02-19 Roger Sayle <roger@eyesopen.com>
9076 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9077 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9079 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9081 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9082 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9084 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9086 * doc/invoke.texi: Document -fipa-pta.
9087 * common.opt: Add ipa-pta option.
9088 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9089 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9090 (do_ds_constraint): Ditto.
9091 (get_constraint_for): Only add to referenced_vars if
9092 referenced_vars exists.
9093 (insert_into_field_list): Rewrite to do this unsorted.
9094 (insert_into_field_list_sorted): Rename old insert_into_field_list
9096 (create_function_info_for): Use insert_into_field_list_sorted.
9097 (create_variable_info_for): Rewrite so it uses unsorted version,
9098 since the field list is sorted.
9099 (intra_create_variable_infos): Only add to referenced_vars if
9100 referenced_vars exists.
9101 (ipa_pta_execute): Init heapvars, and delete when done.
9102 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9104 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9106 * doc/install.texi: Add missing `@samp'.
9108 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9110 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9113 2006-02-18 Mark Wielaard <mark@klomp.org>
9115 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9116 who added new 4.1 features, bug fixes and integration support.
9118 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9121 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9124 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9126 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9127 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9128 (copy_insn_1): Likewise. Don't copy each field individually.
9130 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9132 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9133 * rtl.c (rtx_size): Rename variable to...
9134 (rtx_code_size): ...this.
9135 (rtx_size): New function.
9136 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9137 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9139 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9140 * rtl.h (rtx_code_size): New variable.
9141 (rtx_size): Change from a variable to a function.
9142 (RTX_SIZE): Rename to...
9143 (RTX_CODE_SIZE): ...this.
9146 PR tree-optimization/17106
9147 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9148 (Anchored Addresses): New section.
9149 * doc/invoke.texi (-fsection-anchors): Document.
9150 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9151 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9152 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9153 * hooks.c (hook_bool_mode_rtx_false): New function.
9154 * hooks.h (hook_bool_mode_rtx_false): Declare.
9155 * gengtype.c (create_optional_field): New function.
9156 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9157 SYMBOL_REF_IN_BLOCK_P is true.
9158 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9159 (min_anchor_offset, max_anchor_offset): Likewise.
9160 (use_anchors_for_symbol_p): New hook.
9161 * toplev.c (compile_file): Call output_object_blocks.
9162 (target_supports_section_anchors_p): New function.
9163 (process_options): Check that -fsection-anchors is only used on
9164 targets that support it and when -funit-at-a-time is in effect.
9165 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9166 if the decl doesn't have one.
9167 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9168 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9169 of force_const_mem through use_anchored_address.
9170 (expand_expr_constant): New function.
9171 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9172 calling expand_expr for INDIRECT_REF.
9173 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9174 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9175 * expr.h (use_anchored_address): Declare.
9176 * loop-unroll.c: Don't declare rtx vectors here.
9177 * explow.c: Include output.h.
9178 (validize_mem): Call use_anchored_address.
9179 (use_anchored_address): New function.
9180 * common.opt (-fsection-anchors): New switch.
9181 * varasm.c (object_block_htab, anchor_labelno): New variables.
9182 (hash_section, object_block_entry_eq, object_block_entry_hash)
9183 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9184 (use_blocks_for_decl_p, change_symbol_section): New functions.
9185 (get_variable_section): New function, split out from assemble_variable.
9186 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9187 use_blocks_for_decl_p say so. Use change_symbol_section if the
9188 symbol has already been created.
9189 (assemble_variable_contents): New function, split out from...
9190 (assemble_variable): ...here. Don't output any code for
9191 block symbols; just pass them to place_block_symbol.
9192 Use get_variable_section and assemble_variable_contents.
9193 (get_constant_alignment, get_constant_section, get_constant_size): New
9194 functions, split from output_constant_def_contents.
9195 (build_constant_desc): Create a block symbol if use_object_blocks_p
9196 says so. Or into SYMBOL_REF_FLAGS.
9197 (assemble_constant_contents): New function, split from...
9198 (output_constant_def_contents): ...here. Don't output any code
9199 for block symbols; just pass them to place_section_symbol.
9200 Use get_constant_section and get_constant_alignment.
9201 (force_const_mem): Create a block symbol if use_object_blocks_p and
9202 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9203 (output_constant_pool_1): Add an explicit alignment argument.
9204 Don't switch sections here.
9205 (output_constant_pool): Adjust call to output_constant_pool_1.
9206 Switch sections here instead. Don't output anything for block symbols;
9207 just pass them to place_block_symbol.
9208 (init_varasm_once): Initialize object_block_htab.
9209 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9210 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9211 (place_block_symbol, get_section_anchor, output_object_block)
9212 (output_object_block_htab, output_object_blocks): New functions.
9213 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9214 (TARGET_ASM_OUT): Include it.
9215 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9216 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9217 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9218 (TARGET_INITIALIZER): Include them.
9219 * rtl.c (rtl_check_failed_block_symbol): New function.
9220 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9221 (block_symbol, object_block): New structures.
9222 (rtx_def): Add a block_symbol field to the union.
9223 (BLOCK_SYMBOL_CHECK): New macro.
9224 (rtl_check_failed_block_symbol): Declare.
9225 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9226 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9227 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9228 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9229 * output.h (output_section_symbols): Declare.
9230 (object_block): Name structure.
9231 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9232 (default_use_anchors_for_symbol_p): Declare.
9233 * Makefile.in (RTL_BASE_H): Add vec.h.
9234 (explow.o): Depend on output.h.
9235 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9236 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9237 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9238 (rs6000_use_blocks_for_constant_p): New function.
9240 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9242 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9244 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9247 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9250 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9252 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9256 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9259 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9260 instead of DECL_REGISTER.
9262 2006-02-18 Olivier Hainque <hainque@adacore.com>
9265 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9267 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9270 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9271 * opth-gen.awk: Handle Var and InverseMask together.
9272 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9273 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9274 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9275 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9277 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9278 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9279 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9280 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9281 LINUX_DYNAMIC_LINKER): Define.
9282 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9283 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9285 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9286 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9287 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9288 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9289 (TARGET_C99_FUNCTIONS): Don't define.
9290 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9291 GLIBC_DYNAMIC_LINKER.
9292 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9293 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9294 GLIBC_DYNAMIC_LINKER64): Define.
9295 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9296 LINUX_DYNAMIC_LINKER64.
9297 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9298 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9299 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9300 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9301 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9302 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9303 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9304 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9305 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9306 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9307 and LINUX_DYNAMIC_LINKER32.
9308 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9309 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9310 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9311 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9312 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9314 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9315 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9316 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9317 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9318 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9319 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9320 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9321 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9322 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9323 LINUX_DYNAMIC_LINKER): Define.
9324 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9325 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9326 GLIBC_DYNAMIC_LINKER64): Define.
9327 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9328 LINUX_DYNAMIC_LINKER64.
9329 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9330 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9331 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9332 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9333 LINUX_DYNAMIC_LINKER): Define.
9334 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9335 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9336 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9337 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9338 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9339 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9340 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9341 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9342 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9343 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9344 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9345 * doc/invoke.texi (-muclibc): Remove caveat about supported
9348 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9350 * doc/cpp.texi (__TIMESTAMP__): Document.
9352 2006-02-17 Roger Sayle <roger@eyesopen.com>
9355 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9356 C is one less than the width of X (and related transformations).
9357 * simplify-rtx.c (simplify_unary_operation_1): Transform
9358 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9359 depending on STORE_FLAG_VALUE, were C is one less then the
9362 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9364 Fix PR tree-optimization/26341
9365 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9366 about NAME_MEMORY_TAG's.
9368 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9371 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9372 with hardware float support, and software float support. Add fcpy
9373 alternative to hardware patterns. Add alternatives to copy between
9374 general and floating-point registers to the 32-bit pattern.
9375 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9376 secondary reload to load a QI or HI mode constant into a floating
9378 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9379 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9381 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9384 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9386 (load_macho_picbase_di): Likewise.
9388 2006-02-16 Jeff Law <law@redhat.com>
9390 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9391 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9392 (ssa_name_nonzero_p): Likewise.
9393 (get_value_range): Return NULL if VRP is not running.
9394 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9395 VRP routines do not discover a range.
9396 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9397 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9398 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9399 (tree_expr_nonnegative_p): Similarly.
9400 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9401 (restore_nonzero_vars_to_original_value): Remove.
9402 (unsafe_associative_fp_binop): Remove.
9403 (tree_ssa_dominator_optimize): Remove initialization and
9404 finalization of nonzero_vars and nonzero_vars_stack.
9405 (dom_opt_initialize_block): No longer push marker on
9407 (dom_opt_finalize_block): No longer call
9408 restore_nonzero_vars_to_original_value.
9409 (record_equivalences_from_phis): No longer look for
9410 nonzero PHI arguments.
9411 (cprop_into_successor_phis): No longer propagate nonzero
9412 property into PHI arguments. Lose unused argument. Caller
9414 (record_equivalences_from_stmt): No longer record nonzero
9415 values for SSA_NAMEs.
9416 (lookup_avail_expr): No longer use nonzero_vars.
9418 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9419 for sizetype when sizetype is unsigned.
9421 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9423 PR rtl-optimization/25603
9424 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9425 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9426 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9427 with new meaning of SETS.
9429 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9434 * config/linux.opt: New file.
9435 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9436 LINUX_DYNAMIC_LINKER): Define.
9437 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9438 * config.gcc (*-*-linux*): Define extra_options.
9439 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9440 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9441 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9442 GLIBC_DYNAMIC_LINKER.
9443 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9444 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9445 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9446 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9447 * doc/invoke.texi (GNU/Linux Options): New section.
9449 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9451 * config/sparc/sparc.md (setjmp): Rewrite.
9452 (setjmp_32): Delete.
9453 (setjmp_64): Likewise.
9455 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9457 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9460 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9462 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9465 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9467 PR rtl-optimization/26296
9468 * Makefile.in (loop-invariant.c): Add except.h dependency.
9469 * loop-invariant.c: Include except.h.
9470 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9472 2005-02-16 Paul Brook <paul@codesourcery.com>
9474 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9477 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9479 PR rtl-optimization/25636
9480 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9481 when deciding whether an insn is an initializing insn.
9483 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9485 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9486 (tree_code_size): Ditto.
9487 * tree.h (struct tree_memory_tag): Remove parent_var.
9488 (struct tree_struct_field_tag): New.
9491 (union tree_node): Add sft member.
9492 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9494 (create_sft): Add size and offset argument, set SFT_OFFSET and
9496 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9497 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9498 * tree-flow-inline.h (get_subvar_at): Update for
9499 SFT_OFFSET/SFT_SIZE.
9500 (var_can_have_subvars): Ditto.
9501 (overlap_subvar): Ditto.
9502 * print-tree.c (print_node): Print out interesting things for
9504 * tree-flow.h (struct subvar): Remove offset and size members.
9505 * tree-ssa-operands.c (get_expr_operands): Update for
9506 get_indirect_ref_operands changes.
9507 (get_indirect_ref_operands): Call add_virtual_operand instead of
9508 add_stmt_operand. Only recurse on base var if requested.
9509 (access_can_touch_variable): New function.
9510 (add_stmt_operand): Split virtual operand handling into ...
9511 (add_virtual_operand): Here. Add offset, size, and for_clobber
9512 arguments. Prune alias sets.
9513 (add_call_clobber_ops): Call add_virtual_operand.
9515 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9518 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9520 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9521 than TREE_CODE as index into omp_clause_num_ops array.
9523 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9525 PR rtl-optimization/26184
9526 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9528 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9529 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9530 must_precede, must_follow and tobe_scheduled.
9533 * opts.c (common_handle_option): Free new_option pointer.
9534 * df-core.c (df_analyze): Free postorder pointer.
9536 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9538 * Makefile.in: Fix the examples about the use of stamps
9540 2006-02-15 Michael Matz <matz@suse.de>
9544 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9545 influenced by maximum_field_alignment or DECL_PACKED.
9546 (update_alignment_for_field): Ditto.
9547 (place_field): Ditto.
9548 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9551 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9553 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9554 (debug_flow_info): Pass it.
9555 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9556 * bb-reorder.c (reorder_basic_blocks): Likewise.
9557 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9558 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9559 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9560 * gcse.c (gcse_main, bypass_jumps): Likewise.
9561 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9562 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9563 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9564 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9565 * rtl.h (dump_flow_info): Adjust prototype.
9566 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9567 * var-tracking.c (variable_tracking_main): Likewise.
9568 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9569 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9572 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9574 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9577 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9579 PR tree-optimization/26209
9580 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9581 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9583 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9585 2006-02-14 Roger Sayle <roger@eyesopen.com>
9588 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9589 (X,Y) and the corresponding symmetry related transformations.
9590 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9591 (X,Y) and its symmetry related transformations.
9593 2006-02-14 Roger Sayle <roger@eyesopen.com>
9595 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9598 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9600 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9602 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9605 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9606 support COMDAT group.
9607 * configure: Regenerate.
9609 2006-02-14 Roger Sayle <roger@eyesopen.com>
9614 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9616 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9618 Fix PR tree-optimization/26260
9620 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9622 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9623 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9624 * tree-ssa-structalias.c (create_variable_info_for): Use
9625 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9627 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9629 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9631 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9632 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9633 of the ending condition.
9634 * tree-ssa-loop-manip.c: Include params.h.
9635 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9636 tree_unroll_loop): New functions.
9637 * tree-pass.h (pass_loop_prefetch): Declare.
9638 * loop.c (rest_of_handle_loop_optimize): Test for
9639 -fprefetch-loop-arrays-rtl.
9640 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9641 * timevar.def (TV_TREE_PREFETCH): New timevar.
9642 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9643 pass_loop_prefetch): New.
9644 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9645 (cleanup_tree_cfg_loop): Call scev_reset.
9646 * common.opt (fprefetch-loop-arrays-rtl): Add.
9647 * tree-ssa-loop-prefetch.c: New file.
9648 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9649 (new_temp_expr_table): Initialize expr_vars.
9650 (free_temp_expr_table): Cleanup expr_vars.
9651 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9652 expressions from being merged into one.
9653 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9654 (struct tree_niter_desc): Add control, bound and cmp fields.
9655 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9657 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9658 (tree-cfgcleanup.o): Add SCEV_H dependency.
9659 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9660 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9662 2006-02-14 Richard Guenther <rguenther@suse.de>
9664 PR tree-optimization/26258
9665 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9666 in PHI argument processing.
9668 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9670 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9671 new expression in the requested machine mode.
9673 2006-02-13 Roger Sayle <roger@eyesopen.com>
9675 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9676 directly, instead let do_compare_rtx_and_jump handle this for us.
9677 * expr.c (expand_expr_real_1): Likewise.
9678 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9679 before do_jump_by_parts_greater.
9680 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9681 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9683 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9685 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9687 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9689 PR rtl-optimization/26235
9690 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9691 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9694 2006-02-13 Jeff Law <law@redhat.com>
9696 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9699 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9702 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9703 twice if decl is a builtin. When trying again, call get_callee_fndecl
9704 first to verify it is still a builtin.
9706 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9708 * dwarf2out.c (base_type_die): Don't add AT_name here.
9709 (subrange_type_die): Don't add AT_name here.
9710 (modified_type_die): Rearrange code flow. Do add AT_name here.
9712 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9714 PR rtl-optimization/26247
9715 PR rtl-optimization/26248
9716 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9718 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9720 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9721 * config/fixtfdi.c: Likewise.
9722 * config/fixunstfdi.c: Likewise.
9723 * config/floatditf.c: Likewise.
9725 2006-02-13 Roger Sayle <roger@eyesopen.com>
9728 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9729 into (X,C2) if C1 is a subset of the bits of C2. Transform
9730 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9732 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9734 2006-02-13 Josh Conner <jconner@apple.com>
9737 * varasm.c (function_section): Check for section name before
9738 calling select_section on targets that define
9739 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9740 unlikely_text_section instead of hot_function_section if
9741 first_function_block_is_cold.
9743 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9746 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9748 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9750 PR rtl-optimization/26222
9751 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9752 after tree->rtl expansion.
9753 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9754 before passing it to emit_move_insn.
9756 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9758 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9760 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9761 Clarify documentation.
9762 * c-common.h (warn_write_strings): Remove.
9763 * c-common.c (warn_write_strings): Likewise.
9764 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9767 2006-02-12 Roger Sayle <roger@eyesopen.com>
9770 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9771 (do_jump_parts_zero_rtx): New function renamed from
9772 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9773 (do_jump_parts_equality_rtx): New function split out from
9774 do_jump_parts_equality. Old implementation renamed as above.
9775 Call do_jump_parts_zero_rtx if either operand is zero.
9776 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9777 do all of the heavy lifting.
9778 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9779 calling either do_jump_by_parts_greater_rtx or
9780 do_jump_by_parts_equality_rtx.
9781 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9782 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9783 moved to do_compare_rtx_and_jump, call it directly.
9784 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9785 mode argument. Call do_compare_rtx_and_jump.
9786 (emit_case_nodes): Update calls to do_jump_if_equal.
9788 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9790 PR rtl-optimization/26225
9791 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9793 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9795 PR rtl-optimization/26232
9796 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9798 2006-02-11 Jason Merrill <jason@redhat.com>
9801 * tree-inline.c (declare_return_variable): Just don't use the
9802 modify target if it's a gimple complex reg and the return slot
9805 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9807 * doc/contrib.texi: Update my entry.
9809 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9811 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9813 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9815 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9818 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9820 * doc/invoke.texi (-floop-optimize2): Removed.
9821 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9822 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9823 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9824 * common.opt (floop-optimize2): Removed.
9825 (fmove-loop-invariants): Enabled by default.
9827 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9829 * tree-if-conv.c (combine_blocks): Free the result of
9830 get_loop_exit_edges.
9832 2006-02-10 Jeff Law <law@redhat.com>
9834 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9836 PR tree-optimization/26213
9837 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9838 loop trying to follow SSA_NAME_VALUE chains.
9840 2006-02-10 Richard Guenther <rguenther@suse.de>
9842 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9843 deal with structures that end in implicitly variable sized arrays.
9845 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9847 PR rtl-optimization/24762
9848 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9851 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9853 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9854 (struct ivopts_data): Add regs_used field.
9855 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9856 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9857 instead of loop_data->regs_used;
9858 (free_loop_data): Do not free aux fields for loops.
9859 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9860 and tree_ssa_iv_optimize_finalize.
9862 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9864 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9866 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9869 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9870 computing the effective result type.
9872 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9875 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9876 (tree_overlaps_hard_reg_set): Declare.
9877 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9878 type and signature to match function type expected by walk_tree.
9879 (tree_overlaps_hard_reg_set): New function.
9880 (decl_conflicts_with_clobbers_p): Rename to:
9881 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9882 Use tree_overlaps_hard_reg_set. Changed caller.
9883 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9884 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9885 * cris.c (cris_md_asm_clobbers): Likewise.
9887 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9889 * reload1.c (emit_input_reload_insns): Delete code that tries to
9890 inherit using find_equiv_reg.
9892 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9894 * c-common.h (flag_const_strings): Don't declare.
9895 * c-common.c (flag_const_strings): Remove.
9896 * c.opt (fconst_strings): Remove.
9897 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9898 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9899 (c_common_init_options): Don't set flag_const_strings.
9900 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9902 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9904 * arm.md (tlobits_cbranch): New pattern.
9905 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9906 testing a single bit.
9908 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9911 * tree-ssa-pre.c (create_component_ref_by_pieces):
9912 Handle RETURN_DECL like VAR_DECL.
9914 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9917 * fold-const.c (fold_indirect_ref_1): Fold
9918 "*(foo *)&complexfoo" to "__real__ complexfoo"
9919 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9921 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9923 * tree-flow-inline.h (var_can_have_subvars):
9924 Volatile variables should not have subvariables.
9926 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9929 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9930 multiplying unsigned values.
9933 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9935 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9937 2006-02-08 Jason Merrill <jason@redhat.com>
9940 * tree.def: Elaborate on difference from MODIFY_EXPR.
9941 * doc/c-tree.texi (INIT_EXPR): Likewise.
9942 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9943 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9944 (gimplify_target_expr): Likewise.
9945 (gimplify_cond_expr): Remove target handling.
9946 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9947 (gimplify_expr): Clobber it here.
9948 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9949 Do return slot optimization if we have an INIT_EXPR.
9952 * tree-inline.c (declare_return_variable): Also clear
9953 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9956 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9959 * gimplify.c (gimplify_one_sizepos): Fix typo.
9961 2006-02-08 Jeff Law <law@redhat.com>
9963 PR tree-optimization/21417
9964 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9965 across a backedge if the control statement at the end of the
9966 block is data dependent on other statements in the same block.
9967 (record_temporary_equivalences_from_stmts): Remove over-conservative
9968 test for threading across backedges.
9970 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9971 control statement, handle all three special cases in the same
9972 manner as they all have the same desired solution. No longer
9973 special case edge flag updating when the post dominator is
9976 2006-02-08 Roger Sayle <roger@eyesopen.com>
9978 * tree.def (CHAR_TYPE): Remove.
9979 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9980 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9981 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9982 (gen_string_type_die): Delete unreachable function.
9984 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9985 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9986 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9987 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9988 * builtins.c (type_to_class): Likewise.
9989 * fold-const.c (fold_convert, build_range_check,
9990 merge_ranges): Likewise.
9991 * expr.c (count_type_elements): Likewise.
9992 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9993 * stor-layout.c (layout_type): Likewise.
9994 * ipa-type-escape.c (type_to_consider): Likewise.
9995 * gimplify.c (omp_firstprivatize_type_sizes,
9996 gimplify_type_sizes): Likewise.
9997 * explow.c (promote_mode): Likewise.
9998 * tree-sra.c (is_sra_scalar_type): Likewise.
9999 * varasm.c (output_constant): Likewise.
10000 * tree-inline.c (remap_type_1): Likewise.
10001 * convert.c (convert_to_pointer, convert_to_real,
10002 convert_to_integer, convert_to_complex): Likewise.
10004 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10006 * df-scan.c (df_def_record_1): A set destination may
10007 be a parallel regardless of mode.
10009 2006-02-08 Roger Sayle <roger@eyesopen.com>
10012 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10013 * config/mips/_tilib.c: Remove.
10014 * config/fixtfdi.c: New libgcc source file.
10015 * config/fixunstfdi.c: New source file.
10016 * config/floatditf.c: New source file.
10017 * config/floatunditf.c: New souce file.
10018 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10019 files above instead of config/mips/_tilib.c.
10020 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10022 2006-02-08 Jeff Law <law@redhat.com>
10024 PR tree-optimization/26169
10025 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10028 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10030 * df.h (DF_REG_SIZE): Return the length of the initialized
10033 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10035 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10036 __muldf3): Return a correctly signed zero.
10038 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10040 * passes.c (register_one_dump_file): Accept the current properties
10041 instead of pass number. Adjust call to dump_register. Remove
10043 (register_dump_files): Now a wrapper around...
10044 (register_dump_files_1): ... this one. Do not modify the pass
10046 (next_pass_1): Cosmetic fix.
10047 (execute_todo): Keep second parameter only. Use curr_properties
10048 instead of fetching it from the pass structure. Check and set
10050 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10051 instead of fetching it from the pass structure. Fix calls to
10052 execute_todo. Update curr_properties and initialize .vcg RTL dump
10053 after running the pass. Reset last_verified.
10054 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10056 (FIRST_AUTO_NUMBERED_DUMP): New.
10057 (dump_register): Remove "num" parameter, assign it within the
10059 (get_dump_file_name): Modify template for dumps.
10060 * tree-dump.h (dump_register): Adjust prototype.
10061 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10062 (PROP_trees): Add PROP_gimple_lomp.
10063 (TODO_set_props): New.
10064 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10065 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10066 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10068 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10070 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10071 (sparc64-*-linux*): Likewise.
10072 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10073 * config/sparc/t-linux: New file.
10074 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10075 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10076 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10077 -m32 -mlong-double-128.
10079 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10080 * config/alpha/t-linux: New file.
10081 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10083 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10084 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10085 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10086 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10087 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10088 (CPP_ARCH32_SPEC): Remove.
10090 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10092 PR tree-optimization/26145
10093 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10096 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10099 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10100 >= 240000 when generating code for SOM runtime.
10101 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10102 to $$dyncall when generating code for SOM runtime..
10104 2006-02-07 Dirk Mueller <dmueller@suse.com>
10107 * doc/invoke.texi (-Wsequence-point): Update documentation
10108 that -Wsequence-point is implemented for C++ as well.
10110 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10112 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10113 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10114 (LIB_SPEC): Likewise.
10115 * doc/invoke.texi (SPARC options): Document -pthread.
10117 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10119 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10122 2006-02-07 Roger Sayle <roger@eyesopen.com>
10124 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10125 Correct comment describing BOOLEAN_TYPE.
10127 2006-02-07 Dirk Mueller <dmueller@suse.com>
10129 * c.opt: C++ frontend supports -Wdiv-by-zero.
10130 * c-opts.c (c_common_handle_option): Remove dead case.
10132 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10134 * configure.ac (TLS assembler check): Do not enable TLS by
10135 default on SPARC/Solaris before version 10.
10136 * configure: Regenerate.
10138 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10140 * doc/invoke.texi (xl-compat): Document conversion and support
10143 2006-02-07 Jeff Law <law@redhat.com>
10145 * tree-vrp.c (find_conditional_asserts): Update comments.
10146 (simplify_stmt_for_jump_threading): New.
10147 (identify_jump_threads, finalize_jump_threads): New.
10148 (vrp_finalize): Call identify_jump_threads.
10149 (execute_vrp): Call finalize_jump_threads.
10150 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10151 (vrp_element, vrp_data, vrp_element_p): Remove.
10152 (vrp_hash_elt, vrp_variables_stack): Remove.
10153 (vrp_hash, vrp_eq, record_range): Remove.
10154 (simplify_cond_and_lookup_avail_expr): Remove.
10155 (extract_range_from_cond): Remove.
10156 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10157 (simplify_stmt_for_jump_threading): New.
10158 (dom_thread_across_edge): New wrapper.
10159 (tree_ssa_dominator_optimize): No longer initialize or
10160 finalize any of the VRP datastructures. Remove iteration
10161 step and simplify as a result of removal of iteration step.
10162 (pass_dominator): Perform a cfg cleanup after DOM.
10163 (dom_opt_finalize_block): Use the new common routines
10164 for threading jumps. Simplify stack management slightly.
10165 No longer need to unwind VRP state.
10166 (record_equivalences_from_incoming_edge): No longer record
10168 (eliminate_redundant_computations): No longer call
10169 simplify_cond_and_lookup_avail_expr.
10170 * tree-flow.h (potentially_threadable_block): Prototype.
10171 (thread_across_edge): Likewise.
10172 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10173 (tree-ssa-threadedge.o): Add dependencies.
10174 * tree-ssa-threadedge.c: New file.
10175 * passes.c (init_optimization_passes): Merge PHIs before
10176 calling VRP. Run VRP again late in the SSA optimization pipeline.
10178 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10180 * df-core.c (df_set_blocks): Do not dereference function pointers.
10181 (df_finish1): Likewise.
10182 (df_hybrid_search_forward): Likewise.
10183 (df_hybrid_search_backward): Likewise.
10184 (df_iterative_dataflow): Likewise.
10185 (df_analyze_problem): Likewise.
10186 (df_compact_blocks): Likewise.
10187 (df_dump): Likewise.
10188 * df-scan.c (df_rescan_blocks): Likewise.
10189 (df_record_entry_block_defs): Likewise.
10191 * genconditions.c (write_conditions): Guard the definition of
10192 'insn_conditions' with the check on GCC version.
10193 (write_writer): Guard the traversal 'insn_conditions' with
10194 the check on GCC version.
10196 2006-02-07 Richard Guenther <rguenther@suse.de>
10200 2006-01-30 Richard Guenther <rguenther@suse.de>
10202 * gimplify.c (gimplify_target_expr): Handle easy cases
10203 without creating a temporary.
10205 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10207 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10208 use of float in probability computations. Use edge probabilities
10209 in place of statically computed probabilities.
10210 (min_spec_prob): New static variable.
10211 (schedule_insns): Initialize it.
10212 (GET_SRC_PROB): Removed.
10213 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10215 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10218 * config/ia64/unwind-ia64.c: Revert last change.
10219 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10220 (INCOMING_FRAME_SP_OFFSET): Define.
10222 2006-02-06 Roger Sayle <roger@eyesopen.com>
10224 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10226 2006-02-07 Ben Elliston <bje@au.ibm.com>
10228 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10229 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10230 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10231 (ix86_return_in_memory): Handle TDmode.
10232 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10233 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10235 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10237 * reorg.c (dbr_schedule): Use dump_file instead of file.
10239 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10242 * config/ia64/predicates.md (extr_len_operand): New predicate.
10243 * config/ia64/ia64.md (extv): Tighten constraints.
10245 (*tbit_and_2): Ditto.
10246 (*tbit_and_3): Ditto.
10247 (*tbit_or_2): Ditto.
10248 (*tbit_or_3): Ditto.
10249 (*bit_zero): Ditto.
10252 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10255 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10257 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10259 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10260 loop_optimizer_init and loop_optimizer_finalize
10261 * tree-ssa-sink.c (execute_sink_code): Ditto.
10262 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10263 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10264 tree_ssa_loop_done): Ditto.
10265 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10266 * sched-ebb.c: Include output.h.
10267 (schedule_ebbs): Do not use dump argument.
10268 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10269 * loop.c (loop_dump_stream): Removed.
10270 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10272 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10273 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10274 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10275 loop_iterations, strength_reduce, record_biv, record_giv,
10276 final_giv_value, check_final_value, check_ext_dependent_givs,
10277 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10278 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10279 dump_file instead of loop_dump_stream.
10280 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10281 argument dump_file.
10282 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10284 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10285 * haifa-sched.c: Include output.h
10286 (schedule_insns, sched_init): Do not use dump argument.
10287 * mode-switching.c (optimize_mode_switching): Ditto.
10288 * modulo-sched.c (stats_file): Removed.
10289 (print_node_sched_params): Do not call argument dump_file.
10290 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10291 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10293 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10295 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10296 rtl_loop_init, rtl_loop_done): Ditto.
10297 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10298 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10300 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10301 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10302 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10303 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10304 * emit-rtl.c (renumber_insns): Ditto.
10305 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10306 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10307 * regclass.c (regclass): Ditto.
10308 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10309 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10310 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10311 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10313 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10314 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10316 * gcse.c (gcse_file, debug_stderr): Removed.
10317 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10318 rest_of_handle_gcse): Do not use dump argument.
10319 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10320 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10321 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10322 compute_code_hoist_vbeinout, compute_code_hoist_data,
10323 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10324 compute_store_table, build_store_vectors, insert_insn_start_bb,
10325 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10326 store_motion): Use dump_file instead of gcse_file.
10327 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10328 * profile.c (profile_dump_file): Removed.
10329 (branch_prob): Use dump_file instead of profile_dump_file.
10330 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10332 * tree-ssa-copy.c (dump_copy_of): Ditto.
10333 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10334 dump file to life_analysis.
10335 * bt-load.c (branch_target_load_optimize): Ditto.
10336 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10338 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10339 regclass, dbr_schedule): Declaration changed.
10340 * sched-int.h (sched_init): Declaration changed.
10341 * tree-profile.c (tree_profile_dump_file): Removed.
10342 (tree_profile_hooks): Removed profile_dump_file hook.
10343 * rtl-profile (rtl_profile_dump_file): Removed.
10344 (rtl_profile_hooks): emoved profile_dump_file hook.
10345 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10347 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10348 * tree-cfg.c (build_tree_cfg): Ditto.
10349 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10350 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10351 Declaration changed.
10352 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10353 life_analysis and schedule_insns.
10354 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10356 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10358 * config/mips/mips.c (mips_reorg): Ditto.
10359 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10362 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10364 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10365 (s390_mangle_fundamental_type): New.
10366 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10369 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10370 (alpha_mangle_fundamental_type): New.
10371 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10374 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10376 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10378 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10379 (sparc_mangle_fundamental_type): New.
10381 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10383 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10384 (s390x-*-linux*): Likewise.
10385 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10386 * config/s390/t-linux: New file.
10388 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10390 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10391 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10393 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10395 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10396 (ANTIC_SAFE_LOADS): New macro.
10397 (find_or_generate_expression): Add prototype.
10398 (set_contains_value): Allow null set for sake of not always having
10399 to allocate ANTIC_SAFE_LOADS.
10400 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10401 Allow COMPONENT_REF too.
10402 (valid_in_set): Allow COMPONENT_REF.
10403 Check ANTIC_SAFE_LOADS too.
10404 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10405 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10407 (can_PRE_operation): Add COMPONENT_REF.
10408 (create_component_ref_by_pieces): New function.
10409 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10410 (insert_aux): Move AGGREGATE_TYPE_P check here.
10411 (compute_avail): Set bb local stmt uids.
10412 (pass_pre): Use TODO_update_ssa_only_virtuals.
10414 2006-02-06 Ben Elliston <bje@au.ibm.com>
10416 * configure.ac: Unconditionally disable decimal float by default.
10417 * configure: Regenerate.
10419 2006-02-06 Ben Elliston <bje@au.ibm.com>
10421 * read-rtl.c (read_name): Terminate reading on EOF.
10423 2006-02-06 Ben Elliston <bje@au.ibm.com>
10425 * dfp.c (decimal_real_arithmetic): Change second argument type
10426 from int to enum tree_code. Do not always return true, but now
10427 return result of any call to decimal_do helper functions.
10428 * dfp.h (decimal_real_arithmetic): Update prototype.
10430 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10432 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10434 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10437 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10440 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10442 * tree-vrp.c (cfg_loops): Removed.
10443 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10444 Use current_loops instead of cfg_loops. Pass flags to
10445 loop_optimizer_init.
10446 * cfgloopmanip.c (fix_loop_structure): Update only available
10448 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10449 loop_optimizer_init.
10450 * modulo-sched.c (build_loops_structure): Removed.
10451 (sms_schedule): Use loop_optimizer_init.
10452 * loop-init.c (loop_optimizer_init): Use flags to determine
10453 which properties of loops to prepare.
10454 (rtl_loop_init): Pass flags to loop_optimizer_init.
10455 * tree-ssa-sink.c (execute_sink_code): Ditto.
10456 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10457 * tree-ssa-pre.c (init_pre): Ditto.
10458 * cfgloop.h (LOOPS_NORMAL): New.
10459 (loop_optimizer_init): Declaration changed.
10461 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10463 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10464 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10466 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10468 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10470 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10471 * pa/t-pa64: Delete quadlib.c rule.
10472 * pa/x-ada: Revert last change.
10473 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10475 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10477 PR rtl-optimization/26087
10478 * rtlanal.c (canonicalize_condition): Do not cross basic block
10481 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10484 * config/ia64/ia64.c: Include debug.h.
10485 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10486 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10487 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10488 (process_epilogue, process_set, process_for_unwind_directive):
10489 Output unwind info only if requested. Add CFA info if requested.
10490 Add new arguments as needed. Adjust callers.
10491 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10493 (DWARF2_FRAME_INFO): Define to zero.
10494 * config/ia64/unwind-ia64.c: Remove code that compensated for
10495 the CFA offset error fixed above.
10496 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10497 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10498 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10499 -funwind-tables and -fexceptions to enable frame info.
10500 (dwarf2out_frame_init): Define initial CFA even if
10501 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10502 DWARF2_UNWIND_INFO is nonzero, not just defined.
10503 (dwarf2out_frame_finish): Output non-EH call frame info only
10504 if DWARF2_FRAME_INFO is nonzero.
10505 (convert_cfa_to_loc_list,
10506 compute_frame_pointer_to_cfa_displacement): Define even if
10507 unwind info is not supported.
10508 (gen_subprogram_die): Use the above unconditionally. Remove
10509 legacy alternate code.
10510 * toplev.c (compile_file): Compile in call to
10511 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10512 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10514 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10515 Jakub Jelinek <jakub@redhat.com>
10517 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10518 IBM extended float format long double as "g" on powerpc*-linux.
10520 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10523 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10524 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10526 2006-02-03 Jason Merrill <jason@redhat.com>
10529 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10531 PR middle-end/25977
10532 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10533 on the return slot if it's an NRV.
10535 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10537 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10538 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10539 rewrite_use): Do not handle USE_OUTER.
10540 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10541 add_iv_outer_candidates, may_replace_final_value,
10542 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10543 (find_interesting_uses_op): Functionality of
10544 find_interesting_uses_outer_or_nonlin moved here.
10545 (find_interesting_uses_outside): Use find_interesting_uses_op.
10547 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10550 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10552 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10553 Ulrich Weigand <uweigand@de.ibm.com>
10556 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10557 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10558 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10559 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10561 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10562 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10563 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10564 Define secondary reloads for TFmode moves.
10565 (constant_modes): Add TFmode.
10566 (NR_C_MODES): Set to 8.
10567 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10569 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10570 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10571 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10572 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10573 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10574 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10575 (FPR mode macro): Add TFmode.
10576 (DSF mode macro): New.
10577 (<de>, <dee> mode attributes): Removed.
10578 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10579 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10580 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10581 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10582 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10583 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10584 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10585 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10586 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10587 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10588 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10589 "*negabs<mode>2", "sqrt<mode>2"):
10590 Changed <de> to <xde>. R constraint replaced by <Rf>.
10591 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10593 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10594 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10595 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10597 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10598 "extenddftf2", "extendsftf2"): New expanders.
10599 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10600 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10601 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10602 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10604 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10605 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10606 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10607 __floatditf): Add a GCC_4.1.0 symbol version tag.
10608 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10611 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10614 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10615 Use targetm.binds_local_p instead of TREE_PUBLIC.
10617 2006-02-02 Roger Sayle <roger@eyesopen.com>
10619 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10620 on INTEGER_TYPEs to indicate that it denotes a character type.
10621 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10622 signed_char_type_node, unsigned_char_type_node and char_type_node.
10623 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10624 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10625 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10627 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10628 Daniel Berlin <dberlin@dberlin.org>
10630 * tree-tailcall.c (arg_needs_copy_p): New function.
10631 (eliminate_tail_call): Use arg_needs_copy_p.
10632 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10633 (add_virtual_phis): New function.
10635 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10637 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10638 #ignore instead of #scratch for %g7 .register directive.
10640 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10642 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10645 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10647 * flow.c (calculate_global_regs_live): Assert that there aren't any
10650 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10652 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10653 what its name says.
10654 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10655 bsi_after_labels iterator.
10656 * tree-if-conv.c (find_phi_replacement_condition,
10657 replace_phi_with_cond_modify_expr): Likewise.
10658 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10659 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10661 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10663 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10665 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10668 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10669 array after growing it.
10671 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10673 PR middle-end/24901
10674 * fold-const.c (fold_checksum_tree): Change type of buf.
10676 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10678 * reload.c (push_secondary_reload): Initialize t_icode.
10680 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10682 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10683 -msoft-float -mlong-double-128 only issue a warning, but don't
10684 swich to DFmode long double.
10686 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10688 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10689 has a constant equivalent, iterate over equivalents for arg0,
10690 calling simplify_relational_operation and if there's a result
10691 cheaper than X, apply fold_rtx and return the result.
10693 2006-02-01 Jan Hubicka <jh@suse.cz>
10695 * opts.c (no_unit_at_a_time_default): New global variable.
10696 (decode_options): Use it.
10697 * opts.h (no_unit_at_a_time_default): Declare.
10699 2006-02-01 Paul Brook <paul@codesourcery.com>
10701 * function.c (assign_parm_setup_reg): Use function argument promotion
10703 * expr.c (expand_expr_real_1): Use function argument promotion rules
10706 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10708 * gcc.c (process_command): Change j to 'unsigned int'.
10710 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10712 PR middle-end/26001
10713 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10714 Use the corrected index for the character
10715 out of the string constant.
10717 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10719 * mode-switching.c (optimize_mode_switching): Fix size
10720 allocated for bb_info[n_entities].
10722 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10724 * gcc.c (main): Correct type that is allocated for
10725 explicit_link_files.
10727 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10729 * config/s390/s390.c (init_alignment_context): Set
10730 ALIAS_SET_MEMORY_BARRIER on the MEM.
10731 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10733 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10735 PR middle-end/25933
10736 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10738 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10741 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10743 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10744 * regrename.c: Ditto.
10745 * tree-ssa-loop-im.c: Ditto.
10746 * tree-dump.c: Ditto.
10747 * tree-complex.c: Ditto.
10748 * genrecog.c: Ditto.
10749 * tree-ssa-threadupdate.c: Ditto.
10751 * java/class.c: Ditto.
10752 * java/jcf-parse.c: Ditto.
10753 * java/resource.c: Ditto.
10754 * java/except.c: Ditto.
10755 * java/jvspec.c: Ditto.
10756 * java/jcf-write.c: Ditto.
10757 * java/jcf-path.c: Ditto.
10758 * java/gjavah.c: Ditto.
10759 * java/zextract.c: Ditto.
10760 * java/jcf-io.c: Ditto.
10761 * java/jcf.h: Ditto.
10762 * java/buffer.c: Ditto.
10763 * java/lang.c: Ditto.
10764 * java/parse-scan.y: Ditto.
10765 * java/lex.c: Ditto.
10766 * java/lex.h: Ditto.
10767 * cfgloopmanip.c: Ditto.
10768 * postreload-gcse.c: Ditto.
10769 * tree-ssa-loop-manip.c: Ditto.
10770 * postreload.c: Ditto.
10771 * tree-ssa-loop-ch.c: Ditto.
10774 * cppspec.c: Ditto.
10775 * diagnostic.c: Ditto.
10777 * genoutput.c: Ditto.
10779 * cfghooks.c: Ditto.
10780 * cfgloopanal.c: Ditto.
10781 * objc/objc-act.c: Ditto.
10783 * genextract.c: Ditto.
10784 * genautomata.c: Ditto.
10785 * pretty-print.c: Ditto.
10786 * genemit.c: Ditto.
10787 * cgraphunit.c: Ditto.
10789 * df-scan.c: Ditto.
10790 * haifa-sched.c: Ditto.
10791 * dominance.c: Ditto.
10793 * tree-ssa-loop-ivopts.c: Ditto.
10794 * df-core.c: Ditto.
10795 * mode-switching.c: Ditto.
10796 * modulo-sched.c: Ditto.
10798 * ipa-pure-const.c: Ditto.
10800 * fix-header.c: Ditto.
10802 * tree-stdarg.c: Ditto.
10803 * ipa-utils.c: Ditto.
10804 * loop-init.c: Ditto.
10805 * ipa-inline.c: Ditto.
10806 * cfganal.c: Ditto.
10808 * alloc-pool.c: Ditto.
10809 * dwarf2out.c: Ditto.
10811 * genattrtab.c: Ditto.
10812 * tree-ssa-loop-ivcanon.c: Ditto.
10813 * predict.c: Ditto.
10814 * timevar.c: Ditto.
10816 * fortran/gfortranspec.c: Ditto.
10817 * regmove.c: Ditto.
10818 * local-alloc.c: Ditto.
10819 * langhooks.c: Ditto.
10820 * function.c: Ditto.
10821 * tree-vectorizer.c: Ditto.
10823 * ipa-type-escape.c: Ditto.
10825 * tree-if-conv.c: Ditto.
10826 * profile.c: Ditto.
10828 * tree-data-ref.c: Ditto.
10829 * loop-unroll.c: Ditto.
10830 * treelang/treetree.c: Ditto.
10832 * bt-load.c: Ditto.
10833 * ggc-common.c: Ditto.
10835 * coverage.c: Ditto.
10837 * tree-cfgcleanup.c: Ditto.
10838 * tree-ssa-pre.c: Ditto.
10839 * cfgcleanup.c: Ditto.
10840 * loop-invariant.c: Ditto.
10841 * loop-iv.c: Ditto.
10842 * ipa-prop.c: Ditto.
10843 * print-tree.c: Ditto.
10844 * conflict.c: Ditto.
10845 * ggc-page.c: Ditto.
10846 * sched-deps.c: Ditto.
10847 * regclass.c: Ditto.
10848 * tree-object-size.c: Ditto.
10849 * combine.c: Ditto.
10850 * bb-reorder.c: Ditto.
10851 * resource.c: Ditto.
10852 * var-tracking.c: Ditto.
10853 * cfgloop.c: Ditto.
10854 * df-problems.c: Ditto.
10855 * reg-stack.c: Ditto.
10857 * gccspec.c: Ditto.
10858 * sched-rgn.c: Ditto.
10859 * tree-ssa-structalias.c: Ditto.
10860 * tree-ssa-reassoc.c: Ditto.
10861 * config/darwin-c.c: Ditto.
10862 * config/darwin.c: Ditto.
10863 * config/arm/arm.c: Ditto.
10865 * collect2.c: Ditto.
10866 * reload1.c: Ditto.
10868 2006-01-31 Nicolas Pitre <nico@cam.org>
10870 * arm.md (smaxsi3): Make aware of smax_m1.
10873 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10875 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10877 2006-01-31 Richard Guenther <rguenther@suse.de>
10879 * doc/invoke.texi (-msselibm): Document.
10880 * target.h (expand_library_builtin): New target hook.
10881 * builtins.c (expand_builtin): Use expand_library_builtin.
10882 (default_expand_library_builtin): New function.
10883 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10884 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10885 (link_gcc_math_spec): Declare.
10886 (static_specs): Add link_gcc_math_spec.
10887 * expr.h (default_expand_library_builtin): Declare.
10888 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10889 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10890 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10891 * config/i386/i386.opt (msselibm): New target option.
10892 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10893 (ix86_init_sse_abi_builtins): New function.
10894 (ix86_expand_library_builtin): Likewise.
10895 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10896 (override_options): Handle error conditions wrt -msselibm.
10897 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10898 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10899 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10902 2006-01-31 Richard Guenther <rguenther@suse.de>
10903 Paolo Bonzini <bonzini@gnu.org>
10905 * doc/install.texi (--disable-libgcc-math): Document.
10907 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10909 * expr.h (expand_normal): new inline function.
10910 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10911 * dojump.c: use it.
10912 * dwarf2out.c: use it.
10915 * expmed.c: use it.
10916 * except.c: use it.
10917 * config/sparc/sparc.c: use it.
10918 * config/i386/i386.c: use it.
10919 * config/rs6000/rs6000.c: use it.
10920 * config/arm/arm.c: use it.
10921 * config/mips/mips.c: use it.
10922 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10924 2006-01-30 Roger Sayle <roger@eyesopen.com>
10926 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10927 argv to the appropriate type.
10929 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10931 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10934 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10937 * config/s390/s390.c (struct machine_function): New flag
10938 decomposed_literal_pool_addresses_ok_p.
10939 (s390_reorg): Set it before final stage of literal pool transforms.
10940 (s390_decompose_address): Only accept displacements of the form
10941 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10943 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10945 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10946 the comparison routine return.
10948 2006-01-30 Michael Matz <matz@suse.de>
10950 * global.c (find_reg): Only evict for global regs.
10951 Take n_refs into account and dump more info.
10953 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10956 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10957 (pragma_trap, pragma_nosave_low_regs): Likewise.
10958 (current_function_anonymous_args): Likewise.
10959 (sh_deferred_function_attributes): New variable.
10960 (sh_deferred_function_attributes_tail): Likewise.
10961 (print_operand): For '@', look up trap_exit attribute.
10962 (calc_live_regs): Look up trapa_handler attribute. For trapa
10963 handlers, save/restore fpscr, but don't do any other
10964 interrupt-specific saves.
10965 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10966 Fix check for partially saved registers to check for SHmedia.
10967 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10968 (sh_output_function_epilogue): Don't clear any of the removed
10970 (sh_insert_attributes): Don't check pragma_interrupt.
10971 Insert deferred attributes. Check that interrupt attribute is
10972 present for other attributes that require its presence.
10973 (sh_attribute_table): Add new attributes trapa_handler and
10975 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10976 Don't check for pragma_interrupt. Don't store argument.
10977 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10978 (sh_deferred_function_attributes): Declare.
10979 (sh_deferred_function_attributes_tail): Likewise.
10980 * sh.md (sp_switch_1): Add operand. Change generator caller.
10981 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10982 (*return_i): Don't use when trap_exit attribute is in effect.
10983 (*return_trapa): New insn pattern.
10984 * sh-c.c: New file.
10985 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10986 setting c_target_objs and cxx_target_objs.
10987 * t-sh: Add rule for sh-c.o.
10989 2006-01-30 Richard Guenther <rguenther@suse.de>
10992 * gimplify.c (gimplify_target_expr): Handle easy cases
10993 without creating a temporary.
10995 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10997 * vec.h (safe_grow): Remove duplicated line.
10999 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11002 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11003 (expand_omp): ... here.
11004 (expand_omp_parallel): Only remove barriers for combined
11005 parallel+workshare constructs.
11007 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11011 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11012 * tree.c (build_qualified_type): Chain the new type to the original
11013 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11014 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11015 (build_pointer_type_for_mode): Only return unqualified types.
11016 (build_reference_type_for_mode): Likewise.
11018 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11020 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11021 * Makefile.in (CXX_COMPAT_WARN): Define.
11022 * configure: Regenerate.
11024 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11027 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11030 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11032 * toplev.c: Fix thinko.
11034 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11035 Marcin Dalecki <martin@dalecki.de>
11037 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11038 (push_srcloc): Use XNEW.
11039 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11041 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11043 * df-core.c (df_set_blocks): Deleted all variable.
11045 2006-01-28 Ian Lance Taylor <ian@airs.com>
11047 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11048 cgraph_output_pending_asms.
11050 2006-01-28 Zack Weinberg <zackw@panix.com>
11052 * c.opt: Add -W(no-)overlength-strings.
11053 * doc/invoke.texi: Document it.
11054 * c-opts.c (c_common_handle_option): -pedantic implies
11055 -Woverlength-strings, if not explicitly disabled already.
11056 (c_common_post_options): -Woverlength-strings defaults to off, and
11057 is always off for C++.
11058 * c-common.c (fix_string_type): Issue warning about strings longer
11059 than is portable only if warn_overlength_strings. Rearrange code
11060 a little for clarity.
11061 * configure.in: Check for -Wno-overlength-strings as well before
11062 enabling -pedantic in stage 1.
11063 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11064 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11066 * genconditions.c (write_header, write_one_condition)
11067 (write_conditions, write_writer): Consolidate very long strings
11068 that were broken up to fit in C89 portable limit. Don't use
11069 printf when fputs will do.
11071 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11073 * combine.c (simplify_comparison <AND>): Check
11074 TRULY_NOOP_TRUNCATION before start using a subreg.
11076 * config/mips/mips.md (*branch_zero<mode>,
11077 *branch_zero<mode>_inverted, *branch_equality<mode>,
11078 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11079 Remove mode check from comparisons.
11081 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11083 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11085 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11087 * expmed.c (const_mult_add_overflow_p): Remove.
11088 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11090 * recog.c (validate_replace_rtx_subexp): Remove.
11091 * recog.h: Remove the prototype for
11092 validate_replace_rtx_subexp.
11094 * integrate.h: Remove the prototype for
11095 copy_decl_for_inlining.
11096 * rtl.h: Remove the prototype for mark_constant_function.
11097 * tree-vectorizer.h: Remove the prototype for
11098 vect_strip_conversion.
11100 * modulo-sched.c (create_partial_schedule,
11101 free_partial_schedule, reset_partial_schedule): Make them
11104 * hooks.c (hook_bool_rtx_int_false): Remove.
11105 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11107 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11109 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11110 and -mlong-double-128 are incompatible.
11111 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11112 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11113 (TARGET_LIBGCC2_CFLAGS): Define.
11114 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11115 (TARGET_LIBGCC2_CFLAGS): Same.
11116 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11118 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11121 * c-typeck.c (build_binary_op): Perform implicit casts of
11122 operands before shortening them.
11124 * cfgloopmanip.c (split_loop_bb): Remove.
11125 * cfgloop.h: Remove the prototype for split_loop_bb.
11127 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11128 * cfgloop.h: Remove the prototype for
11129 flow_loop_outside_edge_p.
11131 * emit-rtl.c (init_virtual_regs): Make it static.
11132 * function.h: Remove the prototype for init_virtual_regs.
11134 * recog.c (peephole2_optimize): Make it static.
11135 * recog.h: Remove the prototype for peephole2_optimize.
11137 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11139 * df-scan.c (df_record_entry_block_defs): Check if
11140 INCOMING_RETURN_ADDR_RTX is defined.
11142 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11143 Kenneth Zadeck <zadeck@naturalbridge.com>
11145 PR rtl-optimization/24762
11146 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11147 * targhooks.c (hook_void_bitmap): New hook prototype.
11148 * targhoohs.h (hook_void_bitmap): Ditto.
11149 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11150 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11151 * target.h (live_on_entry): New function pointer.
11152 * df-scan.c (df_all_hard_regs): Removed.
11153 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11154 (df_scan_free_internal): Added df->entry_block_defs.
11155 (df_scan_alloc): Ditto.
11156 (df_scan_dump): Ditto.
11157 (df_uses_record): Plumbed flag field properly thru calls.
11158 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11159 This part fixes PR24762.
11160 (df_bb_refs_record): Added code to make the frame and arg
11161 pointers live in EH blocks.
11162 (df_refs_record): Added call to df_record_entry_block_defs.
11163 (df_record_entry_block_defs): New function.
11164 * df-core.c: Added comments to describe new artifical defs.
11165 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11166 (entry_block_defs): New field in struct df.
11167 (df_all_hard_regs): Deleted.
11168 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11169 * df-problems.c (df_ru_bb_local_compute_process_def):
11170 Added code to handle artifical defs in the entry to a function.
11171 (df_ru_bb_local_compute): Ditto.
11172 (df_rd_bb_local_compute_process_def): Ditto.
11173 (df_rd_bb_local_compute): Ditto.
11174 (df_lr_bb_local_compute): Ditto.
11175 (df_ur_bb_local_compute): Ditto.
11176 (df_urec_bb_local_compute): Ditto.
11177 (df_chain_create_bb): Ditto.
11178 (df_ur_local_finalize): Removed entry.
11179 (df_urec_init): Ditto.
11180 (df_urec_local_finalize): Ditto.
11181 (df_ri_bb_compute): Added detection of last use of pseudos.
11182 * Makefile.in (df-scan.o): Updated dependencies.
11183 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11184 * config/mips/mips.c (mips_set_live_on_entry): Added.
11185 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11187 * dce.c (marked_insn_p): Added code to handle artifical defs.
11189 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11191 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11193 (_mm_cvtsi128_si64): Likewise.
11194 (_mm_cvtsd_si64): Likewise.
11195 (_mm_cvttsd_si64): Likewise.
11196 (_mm_cvtsi64_sd): Likewise.
11197 (_mm_cvtsi64_si128): Likewise.
11198 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11199 (_mm_cvtsi64_m64): Likewise.
11200 (_m_to_int64): Likewise.
11201 (_mm_cvtm64_si64): Likewise.
11202 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11203 (_mm_cvttss_si64): Likewise.
11204 (_mm_cvtsi64_ss): Likewise.
11205 (_mm_cvtss_f32): Likewise.
11207 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11209 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11210 for pragma redefine_extname.
11212 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11215 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11216 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11217 -mno-minimal-toc to previous content.
11218 (bispecs): Remove goal.
11219 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11220 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11221 compatibility aliases on powerpc-*-*gnu*.
11222 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11223 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11224 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11225 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11226 (ldblspecs): New goal.
11227 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11228 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11230 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11231 L_sf_to_tf or L_df_to_tf is defined.
11233 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11234 Alan Modra <amodra@bigpond.net.au>
11237 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11238 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11239 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11240 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11241 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11242 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11243 (rs6000_override_options): Initialize rs6000_ieeequad.
11244 Initialize TFmode format to ibm_extended_format if not
11246 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11248 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11249 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11250 (function_arg_advance): IBM long double passed in two FPRs, not
11252 (function_arg): IBM long double passed in FPRs.
11253 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11254 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11255 Only multireg GPR aligned.
11256 (rs6000_init_libfuncs): Enable IBM long double functions if not
11258 (rs6000_generate_compare): Use IBM long double compare if not
11260 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11261 (TARGET_IEEEQUAD): Define.
11262 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11263 not TARGET_IEEEQUAD.
11264 * config/rs6000/rs6000.md: Enable TFmode patterns if
11266 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11267 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11268 and -mlong-double-128 are incompatible.
11269 * doc/invoke.texi (-mabi): Collect options together. Add
11270 ibmlongdouble and ieeelongdouble.
11272 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11274 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11276 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11277 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11278 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11279 * rtl.h (rtunion_def): Remove rt_ptr.
11281 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11282 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11283 * config/i386/winnt.c (i386_pe_mark_dllexport)
11284 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11286 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11288 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11290 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11294 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11295 pthread_key_delete. From John David Anglin. gthrw-ify
11296 pthread_getunique_np only if it it's not a macro. Delete
11298 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11299 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11300 __gthread_objc_condition_signal, __gthread_key_delete): Add
11301 "__attribute__ ((__unused__))" to unused arguments.
11302 (__gthread_recursive_mutex_init_function): Add missing return.
11303 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11304 gthr-posix95.h: Use macro-based approach for name redirection
11305 on targets missing weakref.
11307 2006-01-26 Zack Weinberg <zackw@panix.com>
11309 * genconditions.c (write_header): In generated code, #ifdef out
11310 all includes and fake declarations, except includes of bconfig.h
11311 and system.h, unless GCC_VERSION >= 3001. Do not include
11312 gensupport.h in any case.
11313 (write_conditions): Generate a definition of struct c_test. Add
11314 a comment to the generated #endif.
11315 (write_one_condition): Escape backslashes in string too.
11316 (write_writer): Generated code must escape backslashes and quote
11317 marks (but not newlines) in the strings it writes.
11318 * Makefile.in (build/gencondmd.o): Update dependencies.
11320 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11323 * Makefile.in (insn-automata.o): Add header file dependencies.
11324 * genautomata.c: Add includes.
11326 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11329 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11331 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11333 * configure.ac: Expect target tools paths to be passed from the toplevel
11334 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11336 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11338 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11341 * c.opt (Wpointer-sign): Init to -1.
11342 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11343 OPT_pedantic, to 0 otherwise.
11344 * doc/invoke.texi: Update.
11346 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11348 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11349 constants provided by 80387 instructions in the destination mode.
11351 2006-01-26 Richard Guenther <rguenther@suse.de>
11352 Andrew Pinski <pinskia@physics.uc.edu>
11355 partial PR tree-opt/17064
11356 * tree-ssa-structalias.c (intra_create_variable_infos):
11357 Create heap variables for incoming parameters if
11358 flag_argument_noalias > 1.
11359 (find_what_p_points_to): Look through default defs of
11362 2006-01-26 Jeff Law <law@redhat.com>
11365 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11366 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11367 within the VR_RANGE, use the VR_RANGE as the result, not the
11369 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11370 bounds for the type.
11372 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11374 * tree-ssa-alias.c (maybe_create_global_var): Change
11375 subvar walking to an assertion that we don't have subvar'd variables.
11377 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11380 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11381 Use a new variable, inner. PARM_DECLs are always non-weak.
11383 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11385 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11386 --disable-checking.
11388 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11390 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11392 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11394 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11395 (smax_insn, smin_insn, smax_0, smin_0): New.
11397 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11400 * config/cris/cris.c (cris_order_for_addsi3): New function.
11401 * config/cris/cris-protos.h: Prototype it.
11402 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11403 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11404 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11405 (split for "op.S1 [rx=rx+i],ry (swapped)")
11406 (split for "op(s|u).S1 [rx=rx+i],ry")
11407 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11408 Apply cris_order_for_addsi3 when generating addsi3 insns.
11410 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11412 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11413 (TREE_BLOCK): Add call to EXPR_CHECK.
11415 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11418 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11419 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11420 (dump_omp_clauses): ... here.
11421 (dump_generic_node): Handle OMP_CLAUSE.
11422 * tree.c (omp_clause_num_ops): New.
11423 (omp_clause_code_name): New.
11424 (tree_code_size): Handle OMP_CLAUSE.
11425 (tree_size): Likewise.
11426 (make_node): Document handling of OMP_CLAUSE.
11427 (tree_node_structure): Handle OMP_CLAUSE.
11428 (omp_clause_check_failed): New.
11429 (omp_clause_range_check_failed): New.
11430 (omp_clause_operand_check_failed): New.
11431 (build_omp_clause): New.
11432 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11433 * tree.h (enum omp_clause_code): Declare.
11434 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11435 (OMP_CLAUSE_RANGE_CHECK): Define.
11436 (OMP_CLAUSE_ELT_CHECK): Define.
11437 (omp_clause_check_failed): Declare.
11438 (omp_clause_operand_check_failed): Declare.
11439 (omp_clause_range_check_failed): Declare.
11440 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11441 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11442 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11443 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11444 (OMP_CLAUSE_IF_EXPR): Likewise.
11445 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11446 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11447 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11448 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11449 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11450 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11451 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11452 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11453 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11454 (OMP_CLAUSE_CODE): Define.
11455 (OMP_CLAUSE_SET_CODE): Define.
11456 (OMP_CLAUSE_CODE): Define.
11457 (OMP_CLAUSE_OPERAND): Define.
11458 (struct tree_omp_clause): Declare.
11459 (union tree_node): Add field 'omp_clause'.
11460 * treestruct.def (TS_OMP_CLAUSE): Define.
11461 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11462 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11463 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11464 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11465 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11466 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11467 (OMP_CLAUSE): Define.
11468 * print-tree.c (print_node): Handle OMP_CLAUSE.
11469 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11470 * c-typeck.c: Likewise.
11471 * gimplify.c: Likewise.
11472 * c-omp.c: Likewise.
11473 * tree-nested.c: Likewise.
11474 * tree-inline.c: Likewise.
11475 * c-parser.c: Likewise.
11476 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11479 2006-01-25 Roger Sayle <roger@eyesopen.com>
11481 PR rtl-optimization/25703
11482 * combine.c (try_combine): Handle zero_extract and strict_low_part
11483 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11485 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11487 * global.c: Fix comment typos.
11489 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11492 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11493 Use output_addr_const instead of assemble_name.
11495 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11497 * Makefile.in (sched-vis.o): Update dependencies.
11498 * haifa-sched.c (sched_finish): Clear current_sched_info.
11499 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11500 (dump_flow_info): Call it.
11501 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11503 * basic-block.h (dump_bb_info): Declare.
11504 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11505 option, and apply options only for dump files whose TDF_RTL,
11506 TDF_TREE, or TDF_IPA bits match.
11507 * rtl.h: Declare new functions exported from sched-vis.c.
11508 * sched-vis.c: Enable also if scheduling is not used.
11509 (print_value): Print the mode of registers if not inside scheduling.
11510 (print_insn): Make it work outside the scheduler. Beautify the output
11512 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11514 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11516 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11517 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11518 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11519 depending on the value of CONSTANT_POOL_ADDRESS_P.
11520 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11522 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11523 rather than SYMBOL_REF_DECL.
11524 (rtx_constant_pool): Remove const_rtx_sym_htab.
11525 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11526 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11527 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11528 Remove handling of const_rtx_sym_htab.
11529 (find_pool_constant): Delete.
11530 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11531 rather than find_pool_constant.
11532 (get_pool_constant_for_function): Delete.
11533 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11534 find_pool_constant.
11535 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11536 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11537 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11538 (SYMBOL_REF_CONSTANT): New macro.
11539 (get_pool_constant_for_function): Delete.
11540 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11541 rather than SYMBOL_REF_DECL.
11542 (i386_pe_mark_dllimport): Likewise.
11543 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11544 rather than SYMBOL_REF_DECL.
11545 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11546 (machopic_indirect_call_target): Likewise.
11548 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11550 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11552 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11554 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11556 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11558 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11560 2006-01-24 David Daney <ddaney@avtrex.com>
11563 * configure.ac (enable_tls): New enable option.
11564 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11565 * configure: Regenerate.
11566 * doc/install.texi (--enable-tls): Document new option.
11567 (--disable-tls): Ditto.
11569 2006-01-24 Richard Henderson <rth@redehat.com>
11571 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11572 * alias.c (true_dependence): Respect it.
11573 (canon_true_dependence, write_dependence_p): Likewise.
11574 * builtins.c (get_builtin_sync_mem): Set it.
11576 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11578 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11581 2006-01-24 DJ Delorie <dj@redhat.com>
11583 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11584 for storing constants in single-bit bitfields.
11586 2006-01-25 Ben Elliston <bje@au.ibm.com>
11588 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11590 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11593 * tree-ssa-pre.c (phi_translate): Return NULL
11594 for AGGREGATE_TYPE's.
11596 2006-01-24 Zack Weinberg <zackw@panix.com>
11598 * genautomata.c (process_state_for_insn_equiv_partition):
11599 Use xcalloc for insn_arcs_array.
11600 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11601 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11603 2006-01-24 Richard Henderson <rth@redhat.com>
11605 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11606 update all callers.
11608 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11610 PR rtl-optimization/25890
11611 PR rtl-optimization/25905
11612 * combine.c (expand_compound_operation, expand_field_assignment):
11613 Fail if the bitfield's final position is out of bounds.
11615 2006-01-24 Ian Lance Taylor <ian@airs.com>
11617 PR middle-end/25930
11618 * cgraphunit.c (cgraph_output_in_order): Don't clear
11619 cgraph_asm_nodes until after asm strings have been output.
11621 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11623 * fix-header.c (read_scan_file): Add new parameter imultilib when
11624 calling register_include_chains.
11626 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11628 * omp-low.c: Update documentation.
11630 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11631 Daniel Berlin <dberlin@dberlin.org>
11635 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11636 return from the function.
11638 2006-01-22 Zack Weinberg <zackw@panix.com>
11640 * rtl.def (match_code): Add second argument.
11641 * genpreds.c (write_extract_subexp): New function.
11642 (write_match_code): Add path argument. Use write_extract_subexp.
11643 (write_predicate_expr): Pass path to write_match_code.
11644 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11645 not perform a mode test.
11646 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11647 a subexpression does not constrain the top-level code set.
11648 * read-rtl.c (read_rtx_variadic): New function.
11649 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11650 * doc/md.texi: Document new notation.
11651 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11652 (cmpsi_operand): ... here, using new notation.
11654 2006-01-22 Zack Weinberg <zackw@panix.com>
11656 * varray.c: Remove GENERATOR_FILE #ifdefs.
11658 2006-01-22 Zack Weinberg <zackw@panix.com>
11660 * genautomata.c (output_reserved_units_table): Emit nothing if
11661 description->query_units_num is zero. Remove extra blank line.
11662 (output_cpu_unit_reservation_p): Short circuit
11663 if description->query_units_num is zero.
11665 2006-01-22 Zack Weinberg <zackw@panix.com>
11667 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11668 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11669 nor any of the random handful of variables that used to be necessary
11670 when this program was linked with rtlanal.o. Prune set of forward
11671 function declarations.
11672 (struct attr_desc): Remove static_p field.
11673 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11674 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11675 (attr_string): Do not read the character one past the length of
11677 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11678 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11679 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11680 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11681 (make_automaton_attrs): New.
11682 (main): Do not call into genautomata. Call local gen_bypass
11683 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11684 Remove special case for insn_alts.
11685 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11686 varray.h (leftover from previous change). Prune set of forward
11687 function declarations. Remove state_alts fields from all
11688 structures. Remove state_alts_table from struct automaton.
11689 Make everything except main static. Do not maintain num_dfa_decls.
11690 Do not maintain state_alts fields of various structures.
11691 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11692 (add_arc): Remove state_alts argument. All callers updated.
11693 (output_reserved_units_table): Emit #ifdef here...
11694 (output_tables): ...not here. Don't generate state_alts tables.
11695 (expand_automata): Don't generate attributes.
11696 (write_automata): Don't generate state_alts functions.
11697 (main): New function.
11698 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11699 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11700 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11701 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11702 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11703 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11704 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11705 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11707 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11708 * genattrtab.h: Delete file.
11709 * Makefile.in (OBJS-common): Add insn-automata.o.
11710 (insn-automata.o): New rule.
11711 (simple_generated_c): Add insn-automata.c.
11712 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11713 (genprogmd): Add automata.
11714 (build/genattrtab): Needs no extra objects nor libraries.
11715 (build/genautomata): Needs build/vec.o and -lm.
11717 2006-01-22 Zack Weinberg <zackw@panix.com>
11719 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11720 (output_dfa_max_issue_rate, locked_states_num): Delete.
11721 (struct automaton): Add locked_states field.
11722 (output_dead_lock_vect): Save number of locked states in
11723 automaton->locked_states. If it is zero, don't print anything.
11724 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11725 (output_internal_dead_lock_func): Only test the dead_lock_vect
11726 for automata that have locked states.
11727 (output_statistics): Always print the number of locked states for
11728 each automaton. Calculate total number of locked states here.
11729 (write_automata): Don't call output_dfa_max_issue_rate.
11730 * genattrtab.c: Define length_unit_log as a const variable.
11731 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11732 max_insn_queue_index const.
11733 * final.c (length_unit_log): Declare const.
11734 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11736 2006-01-22 Zack Weinberg <zackw@panix.com>
11738 * genautomata.c: Include vec.h, not varray.h.
11739 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11740 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11741 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11742 VEC_* macros operating on appropriately typed vectors, or to
11743 malloced arrays when the size is known in advance. Const-ify
11744 many char* variables and function arguments. No functional changes.
11745 * Makefile.in (build/varray.o): Delete rule.
11746 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11747 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11749 2006-01-22 Zack Weinberg <zackw@panix.com>
11751 * gensupport.c: Define get_insn_name and record_insn_name here.
11752 (read_md_rtx): Call record_insn_name as appropriate.
11753 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11754 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11755 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11757 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11758 (BUILD_VARRAY): Delete.
11759 (genprognormal): Rename genprogmd. Fold in all programs from
11760 genprognoprint; also attrtab.
11761 (build/genattrtab): Just mention genautomata.o and varray.o.
11762 Reorganize a bit, add comments to make the categories clearer.
11764 2006-01-22 Zack Weinberg <zackw@panix.com>
11766 * genconditions.c (condition_table, add_condition): Delete.
11767 (write_conditions): Don't emit n_insn_conditions nor
11768 insn_elision_unavailable. Issue the gcc version #ifdef here,
11769 inside the table, with no #else clause ...
11770 (write_header): ...not here.
11771 (write_writer): New function.
11772 (main): Don't initialize condition_table. Use add_c_test.
11774 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11775 files on the command line.
11776 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11777 Return -1 if there is no entry in the table, don't abort.
11778 (add_c_test, traverse_c_tests): New functions.
11779 * gensupport.h (insn_elision_unavailable, insn_conditions)
11780 (n_insn_conditions): Delete declarations.
11781 (add_c_test, traverse_c_tests): Declare.
11782 * read-rtl.c: Include gensupport.h.
11783 (read_conditions): New function.
11784 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11785 (read_rtx_1): If we get EOF when we were looking for an initial
11786 open paren, return 0. Call read_conditions when appropriate.
11787 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11788 dummy-conditions.o. Eliminate references to insn-conditions.o,
11789 or change them to build/gencondmd.o, as appropriate. Remove
11790 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11791 from $(simple_generated_c). For all files remaining in those
11792 two lists, add insn-conditions.md to the generator command line.
11793 Give insn-constants.h/s-constants their own rules. Add rules
11794 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11795 (build/read-rtl.o): Depend on gensupport.h.
11796 (genprognormal): Include preds.
11797 (genprogearly): Rename genprognoprint; only difference is now that
11798 they don't link with $(BUILD_PRINT).
11799 * dummy-conditions.c: Delete.
11801 2006-01-22 Zack Weinberg <zackw@panix.com>
11803 * genextract.c: Don't include insn-config.h. Do include vec.h.
11804 Declare vectors of int, char, and locstr.
11805 (locstr): New typedef.
11806 (struct extraction): Make all array fields into bare pointers.
11807 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11808 (insn_code_number): Delete.
11809 (accum_extract): New struct.
11810 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11811 (gen_insn): Take insn_code_number as an argument. Use an
11812 accum_extract structure instead of loading data directly into
11813 a struct extraction, and having to know how big it might get.
11814 (walk_rtx): Operate entirely on an accum_extract structure.
11815 (print_path): Avoid unnecessary use of printf.
11816 (print_header): New function, split out of main. Distinguish
11817 more carefully between an unrecognizable insn and an insn that
11818 has the code number of a define_expand.
11819 (main): Pass insn_code_number to gen_insn. Call print_header
11820 only after parsing. Avoid unnecessary use of printf.
11821 * Makefile.in (build/vec.o): New rule.
11822 (build/genextract): Depend on build/vec.o.
11823 (build/genextract.o): Don't depend on insn-config.h.
11825 2006-01-22 Zack Weinberg <zackw@panix.com>
11827 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11828 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11829 practical. Eliminate per-generator-program link rules.
11831 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11833 PR middle-end/24437
11834 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11835 with a call expr to ...
11836 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11838 2006-01-23 Richard Guenther <rguenther@suse.de>
11840 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11841 before make_edge with conditional EDGE_TRUE_VALUE.
11843 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11844 Jan Hubicka <jh@suse.cz>
11845 Richard Guenther <rguenther@suse.de>
11847 PR rtl-optimization/25654
11848 * cfgexpand.c (aggregate_contains_union_type): New function.
11849 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11850 for structure variables that contain a union type.
11852 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11854 * gengtype.c (new_structure): Return the structure.
11855 (create_option): Add an extra "next" argument.
11856 (create_field): New function.
11857 (adjust_field_rtx_def): Use create_option and create_field.
11858 Remove a now-unnecessary call to find_structure.
11859 (adjust_field_tree_def): Likewise.
11860 (note_yacc_type): Remove an unnecessary call to find_structure.
11861 * gengtype.h (new_structure): Return the structure.
11862 (create_option): Add an extra argument.
11863 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11864 (option): Adjust calls to create_option.
11866 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11868 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11870 2006-01-22 Paul Brook <paul@codesourcery.com>
11871 Peter Barada <peter@the-baradas.com>
11873 * config/m68k/m68k.md: Add Coldfire FPU support.
11874 Define FP mode macro and associated attributes.
11875 Use it for float mode patterns.
11876 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11877 (LIBCALL_VALUE): Use m68k_libcall_value.
11878 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11879 (m68k_function_value): Ditto.
11880 (emit_move_sequence): Ditto.
11881 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11882 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11883 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11884 (MULTILIB_EXCEPTIONS): Ditto.
11885 * config/m68k/m68k.opt: Add mcfv4e.
11886 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11887 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11888 (m68k_output_function_prologue): Save ColdFire FPU registers.
11889 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11890 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11891 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11892 ColdFire FPU registers.
11893 (m68k_libcall_value, m68k_function_value): New functions.
11894 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11895 (LIBCALL_VALUE): Use m68k_libcall_value.
11896 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11897 (MASK_COLDFIRE): Add MASK_CFV4E.
11898 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11899 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11900 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11901 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11902 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11903 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11904 * doc/invoke.tex: Document -mcfv4e on m68k.
11906 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11908 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11911 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11914 * c-opts.c (c_common_handle_option): Don't include
11915 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11916 * doc/invoke.texi (C++ Dialect Options): Document that
11917 -Wnon-virtual-dtor is no longer included in -Wall.
11919 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11921 * gcov.c (print_version), gcov-dump.c (print_version),
11922 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11925 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11927 * df-scan.c (problem_SCAN): Added NULL reset function.
11928 (df_scan_reset_blocks): Added code to call reset block function
11929 (df_bb_refs_delete) Fixed comment.
11930 (df_insn_refs_delete): Made tolerant of deleting non existent info
11931 for dataflow problems that need to be reset.
11932 * df-core.c (df_set_blocks): Ditto.
11933 * df.h (struct df_problem): Added reset_fun.
11934 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11935 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11936 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11937 functions to clear out all references to def-use or use-def chains.
11939 2006-01-21 Ben Elliston <bje@au.ibm.com>
11941 * varasm.c (assemble_real): Initialise data array.
11943 2006-01-20 Paul Brook <paul@codesourcery.com>
11945 Merge from csl-arm-branch.
11946 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11947 * config/arm/arm.md (movdi): Force operands[1] to a register
11948 if we have a non-register source.
11949 (*arm_movdi, *movdf_soft_insn): Require that one of the
11950 operands be a register.
11951 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11952 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11954 2006-01-20 DJ Delorie <dj@redhat.com>
11956 * varasm.c (initializer_constant_valid_p): Allow pointers
11957 initialized from integer constants of lesser precision.
11958 (output_constant): Allow non-int-sized pointer modes to be
11959 initialized from integer constants.
11961 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11964 * cppdefault.h (struct default_include): Add multilib flag.
11965 * cppdefault.c (cpp_include_defaults): Set it.
11966 * c.opt (-imultilib): New option.
11967 * c-opts.c (imultilib): New.
11968 (c_common_handle_option): Handle -imultilib.
11969 (c_common_post_options): Likewise.
11970 * c-incpath.c (add_standard_paths, register_include_chains):
11972 * c-incpath.h (register_include_chains): Add extra parameter.
11973 * gcc.c (do_spec_1): Generate -imultilib option.
11974 (The Specs Language): Update %I description.
11975 (process_command): Update copyright notice.
11976 * doc/cppopts.texi (-imultilib): Document.
11977 * doc/invoke.texi (-imultilib): Include in option summary.
11978 (%I): Update specs documentation.
11980 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11982 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11984 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11986 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11989 2006-01-20 Richard Guenther <rguenther@suse.de>
11990 Steven Bosscher <stevenb.gcc@gmail.com>
11992 PR rtl-optimization/24626
11993 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11994 EDGE_TRUE_VALUE if in RTL mode.
11997 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11998 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12000 2006-01-20 Dirk Mueller <dmueller@suse.com>
12003 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12004 instead of a special NOP marker.
12005 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12006 NOP marker handling.
12007 * c-common.h (empty_body_warning): Add forward declaration.
12008 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12009 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12011 2006-01-20 Paul Brook <paul@codesourcery.com>
12013 * Makefile.in (lang_checks): Keep going if mkdir fails.
12015 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12017 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12018 be able to clean out basic block when not necessary.
12019 (df_scan_free): Fixed to properly delete information if df is
12020 unused before calling df_finish.
12021 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12022 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12024 (df_bb_refs_delete): New function.
12025 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12026 * df-core.c (df_set_blocks): Added code to properly clean out
12027 unused blocks if they are not part of the blocks to consider.
12028 Added additional null check.
12029 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12030 be able to clean out basic block when not necessary
12031 * df.h (df_free_bb_function): Ditto.
12032 (df_bb_refs_delete): New function.
12033 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12034 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12035 basic block parameter to be able to clean out basic block when not
12037 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12038 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12039 Fixed to properly delete information if df is unused before
12042 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12044 PR rtl-optimization/25799
12045 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12046 Corrected confluence operator to remove bits from op2 before oring
12047 with op1 rather than removing bits from op1.
12048 (df_ru_transfer_function): Corrected test on wrong bitmap which
12049 caused infinite loop. Both of these problems were introduced in
12050 the dataflow rewrite.
12052 2006-01-19 DJ Delorie <dj@redhat.com>
12054 * reload1.c (find_reload_regs): Note the details of reload
12055 failures in the dump file.
12056 (spill_failure): Likewise.
12058 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12060 * loop-iv.c: Include df.h and hashtab.h.
12061 (enum iv_grd_result): New enum.
12062 (DF_REF_IV, DF_REF_IV_SET): New macros.
12063 (struct biv_entry): New.
12064 (df, bivs): New global variables.
12065 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12066 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12068 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12069 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12070 analyzed_for_bivness_p, record_biv): New functions.
12071 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12072 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12073 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12075 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12077 (iv_number_of_iterations): Use new interface to iv analysis.
12078 * loop-unroll.c: Do not include varray.h.
12079 (analyze_iv_to_split_insn): Use new interface to iv
12081 * loop-unswitch.c (may_unswitch_on): Ditto.
12082 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12084 (df_bb_modify): Realloc tables to the new index.
12085 (df_find_use): New function.
12086 * df.h (df_find_use): Declare.
12087 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12089 * cfgloop.h (struct rtx_iv): Remove analysed field.
12090 (iv_get_reaching_def): Removed.
12091 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12092 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12093 (loop-iv.o): Add df.h and hashtab.h dependency.
12094 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12096 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12099 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12101 (__floatundisf, __floatundidf): Likewise.
12102 * libgcc2.h (IS_IBM_EXTENDED): Define.
12104 2006-01-19 DJ Delorie <dj@redhat.com>
12106 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12108 2006-01-19 Paul Brook <paul@codesourcery.com>
12110 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12111 as nothrow when unwinding tables are disabled.
12113 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12116 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12117 of bit-field" when in system header.
12119 2006-01-19 DJ Delorie <dj@redhat.com>
12121 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12122 the 16 bit shift limit of the m16c.
12124 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12127 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12128 * config/i386/i386.c (output_set_got): Output the label if we have one
12129 for the TARGET_DEEP_BRANCH_PREDICTION case.
12131 2006-01-19 Jan Hubicka <jh@suse.cz>
12132 H.J. Lu <hongjiu.lu@intel.com>
12133 Evandro Menezes <evandro.menezes@amd.com>
12135 * invoke.texi (generic): Document
12137 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12138 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12139 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12140 (x86_use_incdec, x86_pad_returns): New variables
12141 (TARGET_CPU_DEFAULT_generic): New constant
12142 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12143 (enum processor_type): Add generic32 and generic64.
12144 * i386.md (cpu attribute): Add generic32/generic64
12145 (movhi splitter): Behave sanely when both partial_reg_dependency and
12146 partial_reg_stall are set.
12147 (K8 splitters): Enable for generic as well.
12148 * predicates.md (incdec_operand): Use TARGET_INCDEC
12149 (aligned_operand): Avoid memory mismatch stalls.
12150 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12151 * ppro.md: Enable for generic32
12152 * i386.c (generic64_cost, generic32_cost): New.
12153 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12154 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12155 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12156 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12157 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12158 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12159 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12160 x86_accumulate_outgoing_args, x86_prologue_using_move,
12161 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12162 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12163 Enable for generic.
12164 (x86_use_incdec, x86_pad_returns): New.
12165 (override_options): Add generic32 and generic64, translate "generic"
12166 to generic32/generic64 and "i686" to "generic32", refuse
12167 "generic32"/"generic64" as arch target.
12168 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12169 (ix86_reorg): Honor PAD_RETURNS.
12171 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12173 * tree-pretty-print.c (dump_generic_node): Handle
12174 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12175 * cgraph.c (cgraph_expand_queue): Rename from
12176 cgraph_analyze_queue. Update all users.
12177 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12178 cgraph_expand_queue.
12179 (cgraph_expand_all_functions): Likewise.
12180 (cgraph_finalize_pending_functions): Remove. Update callers.
12182 * tree.h (OMP_DIRECTIVE_P): Define.
12183 (OMP_PARALLEL_FN): Define.
12184 (OMP_PARALLEL_DATA_ARG): Define.
12185 (OMP_SECTIONS_SECTIONS): Define.
12186 * tree-pass.h (pass_expand_omp): Declare.
12187 * omp-low.c (struct omp_region): Declare.
12188 (struct omp_context): Remove fields 'parallel_type',
12189 'parallel_start_ix' and 'parallel_start_additional_args'.
12191 (struct omp_for_data): Rename from struct expand_omp_for_data.
12192 (omp_regions): New static variable.
12193 (root_omp_region): New static variable.
12194 (find_omp_clause): Make static.
12195 (is_in_combined_parallel_ctx): Remove.
12196 (is_combined_parallel): New.
12197 (extract_omp_for_data): Move earlier in the file.
12198 (workshare_safe_to_combine_p): New.
12199 (get_ws_args_for): New.
12200 (determine_parallel_type): Move earlier in the file.
12201 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12203 (omp_copy_decl): Likewise.
12204 (create_omp_child_function): Likewise.
12205 (lookup_omp_region): New.
12206 (dump_omp_region): New.
12207 (debug_omp_region): New.
12208 (debug_all_omp_regions): New.
12209 (new_omp_region): New.
12210 (scan_omp_parallel): If parallel_nesting_level > 1, the
12211 directive is nested within another parallel directive.
12212 Set OMP_PARALLEL_FN.
12213 (scan_omp_for): Do not try to handle combined parallel+for
12215 Remove FIXME comment.
12216 (scan_omp_nested): Remove.
12217 (scan_omp_1): Do not call scan_omp_nested when
12218 parallel_nesting_level is > 1.
12219 Do not change the DECL_CONTEXT of local variables found.
12220 (lookup_decl_in_outer_ctx): New.
12221 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12222 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12223 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12224 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12225 If CTX is nested, lookup VAR in the outer context when
12226 building copy assignment.
12227 (lower_send_clauses): Rename from expand_send_clauses.
12228 If CTX is nested, lookup VAR in the outer context when
12229 building copy assignments.
12230 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12231 If CTX is nested, lookup VAR in the outer context when
12232 building copy assignments.
12233 (expand_parallel_call): Rename from build_parallel_call.
12234 Handle combined parallel+workshare cases.
12235 Re-implement to emit code into the CFG.
12237 (expand_omp_parallel): Re-implement to emit code into the CFG.
12238 Call move_sese_region_to_fn to outline the sub-graph
12239 containing the parallel region.
12240 (expand_omp_for_1): Remove.
12241 (expand_omp_for_generic): Re-implement to emit code into the
12243 (expand_omp_for_static_nochunk): Likewise.
12244 (expand_omp_for_static_chunk): Likewise.
12245 (expand_omp_for): Likewise.
12246 (expand_omp_sections): Likewise.
12247 (remove_exit_barriers): New.
12248 (expand_omp_synch): New.
12250 (build_omp_regions_1): New.
12251 (build_omp_regions): New.
12252 (execute_expand_omp): New.
12253 (gate_expand_omp): New.
12254 (pass_expand_omp): Define.
12255 (lower_omp_sections): Rename from expand_omp_sections.
12256 Set OMP_SECTIONS_SECTIONS.
12257 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12258 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12259 (lower_omp_single): Rename from expand_omp_simple.
12260 (lower_omp_master): Rename from expand_omp_master.
12261 (lower_omp_ordered): Rename from expand_omp_ordered.
12262 (lower_omp_critical): Rename from expand_omp_critical.
12263 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12264 (lower_omp_for): Re-implement.
12265 (lower_omp_parallel): Re-implement.
12266 (lower_regimplify): Rename from expand_regimplify.
12267 (lower_omp_1): Rename from expand_omp_1.
12268 If there are syntax errors in the program, replace every
12269 OpenMP directive with NOP.
12270 Call lower_omp_* instead of expand_omp_*.
12271 (lower_omp): Rename from expand_omp.
12273 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12274 * tree-gimple.h (enum omp_parallel_type): Remove.
12275 (gimple_boolify): Declare extern.
12276 (find_omp_clause, determine_parallel_type): Remove.
12278 * gimple-low.c (lower_omp_directive): New.
12279 (lower_stmt): Call it.
12280 (record_vars_into): Move from ...
12281 (record_vars): ... here.
12282 Call record_vars_into with current_function_decl.
12284 * gimplify.c (struct gimplify_ctx): Remove fields
12285 combined_pre_p and combined_ctxp. Update users.
12286 (get_formal_tmp_var): Add documentation.
12287 (gimple_boolify): Make extern.
12288 (gimplify_expr_in_ctx): Remove. Update callers.
12289 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12290 will always be a BIND_EXPR.
12291 (gimplify_expr): Handle OMP_RETURN_EXPR.
12292 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12293 (OMP_PARALLEL): Add 3 operands.
12294 (OMP_SECTIONS): Add 1 operand.
12295 (OMP_RETURN_EXPR): Define.
12297 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12298 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12299 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12300 creating a circular free list.
12301 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12303 * tree-flow.h (move_sese_region_to_fn): Declare.
12304 (record_vars_into): Declare.
12305 * tree-cfg.c (make_omp_sections_edges): New.
12306 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12307 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12308 OMP_SECTIONS and OMP_SECTION.
12309 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12310 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12311 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12312 (gather_blocks_in_sese_region): New.
12313 (struct move_stmt_d): Declare.
12314 (move_stmt_r): New.
12315 (move_block_to_fn): New.
12316 (move_sese_region_to_fn): New.
12318 * passes.c (init_optimization_passes): Schedule
12319 pass_expand_omp after pass_init_datastructures.
12321 * tree-ssa-operands.c (get_expr_operands): Handle
12322 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12323 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12325 2006-01-19 Jeff Law <law@redhat.com>
12327 * tree-vrp.c (extract_range_from_assert): Refine the result range
12328 if the variable referenced by the ASSERT_EXPR has a range and
12329 either the tentative result range or the previous range is a
12332 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12334 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12336 2006-01-19 Jan Hubicka <jh@suse.cz>
12338 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12340 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12342 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12343 (expand_compound_operation, expand_field_assignment): Fail if the
12344 bit lengths of an extract operation are out of range.
12345 (make_extraction): Compute wanted_inner_mode based on the position
12346 and length of the extraction. Make it extraction_mode for non-constant
12347 positions, and do not modify offset in that case. When generating a
12348 new MEM, use a mode that can hold the extraction while keeping correct
12349 alignment. Remove code that supported MEMs wrapped by USEs.
12350 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12352 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12354 * config/s390/s390.md ("Y", "y"): New mode attribute.
12355 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12356 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12357 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12358 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12359 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12360 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12361 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12362 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12363 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12364 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12365 "addsi3", "subsi3"): Insn patterns removed.
12366 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12367 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12368 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12369 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12370 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12371 "*sub<mode>3_cconly2"): New insn patterns.
12372 ("addsi3", "subsi3"): New expanders.
12374 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12376 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12377 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12378 existing STMT_VINFO_VECTYPE if available.
12379 (vect_mark_relevant): Add special handling for stmts that are
12380 marked as STMT_VINFO_IN_PATTERN_P.
12381 (vect_analyze_loop): Call vect_pattern_recog.
12382 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12383 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12385 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12386 (vect_recog_func_ptr): New function-pointer type.
12387 * tree-vect-patterns.c: New file.
12388 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12389 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12390 (vect_pattern_recog_1): New functions.
12391 (vect_pattern_recog_funcs): New array of function pointers.
12393 * tree-vectorizer.h (ternary_op): New enum value.
12394 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12395 declaration. Revised documentation. Removed redundant dump prints.
12396 Removed redundant argument. Added support for reduction patterns.
12397 (vectorizable_reduction): Added support for reduction patterns.
12398 (vect_transform_stmt): Added support for patterns.
12400 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12401 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12402 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12403 (expand_widen_pattern_expr): New function.
12404 (init_optabs): Initialize new optabs udot_prod_optab,
12406 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12407 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12408 (expand_widen_pattern_expr): New function declaration.
12409 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12411 * tree-inline.c (estimate_num_insns_1): Added cases for new
12412 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12413 * tree-pretty-print.c (dump_generic_node): Likewise.
12414 (op_prio): Likewise.
12415 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12416 * tree-ssa-operands.c (get_expr_operands): Added case for
12418 * tree-vect-patterns.c (widened_name_p): New function.
12419 (vect_recog_dot_prod_pattern): Added function implementation.
12420 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12421 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12422 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12423 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12425 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12426 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12427 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12428 (init_optabs): Initialize new optabs widen_ssum_optab,
12430 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12431 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12432 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12433 use instead of type of def.
12434 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12435 function implementation.
12436 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12437 widen_ssumv8hi): New.
12439 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12442 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12445 * c-decl.c (add_flexible_array_elts_to_size): New function.
12446 (finish_decl): Use it.
12448 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12450 * diagnostic.h: Include options.h.
12451 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12452 dependancies for diagnostic.h.
12453 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12455 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12457 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12458 (ssa_ro_call_cache_valid): Ditto.
12459 * tree-ssa-alias.c (sort_tags_by_id): New function.
12460 (init_transitive_clobber_worklist): Ditto.
12461 (add_to_worklist): Ditto.
12462 (mark_aliases_call_clobbered): Ditto.
12463 (compute_tag_properties): Ditto.
12464 (set_initial_properties): Ditto.
12465 (compute_call_clobbered): Ditto.
12466 (compute_may_aliases): Call compute_call_clobbered and grouping.
12467 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12468 (compute_flow_insensitive_aliasing): Grouping now happens in our
12470 (setup_pointers_and_addressables): Remove clobbering related code.
12471 (add_may_alias): Ditto.
12472 (replace_may_alias): Ditto.
12473 (get_nmt_for): Ditto.
12474 (create_global_var):
12475 (is_escape_site): Return an escape_type enumeration.
12476 * tree-flow-inline.h (is_call_clobbered): Global var does not
12477 imply call clobbered.
12478 (mark_call_clobbered): Take a reason for marking this. Remove
12479 marking of globalness, and cache invalidation.
12480 (clear_call_clobbered): Remove cache invalidation code.
12481 * tree-dfa.c (dump_variable): If details is on, dump the reason
12483 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12485 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12486 (struct var_ann_d): Ditto.
12487 (enum escape_type): New.
12488 (mark_call_clobbered): Adjust prototype.
12489 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12490 are never call clobbered.
12491 Record reasons for escaping.
12492 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12493 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12494 (ssa_ro_call_cache_valid): Ditto.
12495 (clobbered_v_may_defs): Ditto.
12496 (clobbered_vuses): Ditto.
12497 (ro_call_vuses): Ditto.
12498 (clobber_stats): New.
12499 (init_ssa_operands): Zero out clobber stats.
12500 (fini_ssa_operands): Print out clobber stats.
12501 (get_call_expr_operands): Pass callee fndecl to
12502 add_call_read_ops).
12503 (add_call_clobber_ops): Remove use of cache.
12504 Add use of PURE_CONST information.
12505 (add_call_read_ops): Remove use of cache.
12506 Add use of static not_read information.
12508 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12510 Introduce TLS descriptors for i386 and x86_64.
12511 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12512 (TARGET_ANY_GNU_TLS): New macro.
12513 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12514 (struct machine_function): Add tls_descriptor_call_expanded_p.
12515 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12516 (ix86_current_function_calls_tls_descriptor): Likewise.
12517 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12518 (override_options): Introduce gnu2 tls dialect.
12519 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12521 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12523 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12524 (ix86_init_machine_status): Initialize new field.
12525 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12526 (ix86_tls_module_base): New.
12527 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12528 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12529 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12530 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12531 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12532 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12533 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12534 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12535 * config/i386/predicates.md (tls_modbase_operand): New.
12536 (tp_or_register_operand): New.
12538 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12540 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12541 (look_for_address_of): Ditto.
12542 (ipa_init): Walk the function decls.
12543 (static_execute): Don't set readonly on FUNCTION_DECL's.
12545 2006-01-18 Roger Sayle <roger@eyesopen.com>
12547 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12548 for shifts where the source and destination registers are different.
12550 2006-01-18 Paul Brook <paul@codesourcery.com>
12552 Merge from csl-arm-branch.
12553 2005-03-14 Julian Brown <julian@codesourcery.com>
12554 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12555 (aeabi_llsl): Likewise.
12556 (ashrdi3): Likewise.
12557 (aeabi_lasr): Likewise.
12558 (lshrdi3): Likewise.
12559 (aeabi_llsr): Likewise.
12560 2005-03-10 Julian Brown <julian@codesourcery.com>
12561 * config.gcc: Disable shared libgcc for SymbianOS.
12562 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12564 2006-01-18 DJ Delorie <dj@redhat.com>
12566 * c-pragma.c (handle_pragma_diagnostic): New.
12567 (init_pragma): Register it.
12568 * doc/extend.texi: Document it.
12570 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12571 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12572 (diagnostic_context): Add classify_diagnostic[].
12573 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12574 as errors if they're overridden to DK_WARNING.
12575 (diagnostic_initialize): Initialize classify_diagnostic[].
12576 (diagnostic_set_kind_override): New.
12577 (diagnostic_report_diagnostic): Check for kind changes.
12578 * opts.c (common_handle_option): Take lang_mask. Update callers.
12579 Handle OPT_Werror_.
12580 * common.opt (Werror=): New.
12581 * doc/invoke.texi: Document -Werror=*
12583 2006-01-18 Jeff Law <law@redhat.com>
12585 * tree-vrp.c (test_for_singularity): Correct test for new
12586 min limit. Use operand_equal_p rather than pointer equality
12587 for testing if new min/max values are equal.
12589 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12590 using range information until after propagation and folding.
12592 2006-01-18 Richard Henderson <rth@redhat.com>
12593 Aldy Hernandez <aldyh@redhat.com>
12594 Jakub Jelinek <jakub@redhat.com>
12595 Diego Novillo <dnovillo@redhat.com>
12597 * omp-low.c: New file.
12598 * c-omp.c: New file.
12600 2006-01-18 Richard Henderson <rth@redhat.com>
12601 Jakub Jelinek <jakub@redhat.com>
12602 Diego Novillo <dnovillo@redhat.com>
12604 * doc/invoke.texi: Document -fopenmp.
12605 * tree-dump.h (debug_function): Declare.
12606 * hooks.c (hook_bool_tree_bool_false): New function.
12607 (hook_tree_tree_null): Remove.
12608 (hook_tree_tree_tree_null): New.
12609 * hooks.h: Update to match.
12610 * tree-pretty-print.c (debug_tree_chain): New.
12611 (print_generic_expr): Handle TDF_CHAIN.
12612 (dump_generic_node): Handle BLOCK.
12613 Do not abort with incomplete SWITCH_EXPRs.
12614 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12615 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12616 print space after directive name.
12617 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12618 Handle OMP_MASTER and OMP_ORDERED.
12619 Handle printing of OMP_BODY just in one place, goto
12620 dump_omp_body in the rest of OMP_* nodes that have
12622 Don't handle clause nodes here. Update omp statements to
12623 use dump_omp_clauses.
12624 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12625 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12626 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12627 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12628 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12629 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12630 Adjust output for GOMP_PARALLEL.
12631 (dump_omp_clauses): New.
12632 (print_declaration): Dump DECL_VALUE_EXPR.
12633 (op_symbol_1): Split out of op_symbol.
12634 (dumping_stmts): Remove. Update all users.
12635 * cgraph.c (cgraph_analyze_queue): New.
12636 (cgraph_add_new_function): New.
12637 * cgraph.h (cgraph_analyze_queue): Declare.
12638 (cgraph_add_new_function): Declare.
12639 (cgraph_lower_function): Remove.
12640 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12641 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12642 and TYPE_P nodes in its default clause.
12643 (empty_body_p): New.
12644 (tree_range_check_failed): New.
12645 (build5_stat): New.
12646 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12647 OMP_CLAUSE_REDUCTION_MERGE,
12648 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12649 OMP_CLAUSE_PRIVATE_DEBUG,
12650 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12651 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12652 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12653 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12654 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12655 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12656 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12657 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12658 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12659 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12660 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12661 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12662 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12663 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12664 (TREE_RANGE_CHECK): New.
12665 (empty_body_p): Declare.
12666 (enum omp_clause_default_kind): New.
12667 (build_string_literal): Declare.
12668 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12669 (build5_stat, build5): Declare.
12670 * tree-pass.h (TDF_CHAIN): Define.
12671 * tree-pass.h (PROP_gimple_lomp): Define.
12672 (pass_lower_omp): Declare.
12673 * diagnostic.h (debug_tree_chain): Declare.
12674 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12676 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12677 * builtins.c (build_string_literal): Make extern.
12678 * gcc.c (include_spec_function): New.
12679 (static_spec_functions): Add it.
12680 (main): Move load of libgomp.spec ...
12681 (LINK_COMMAND_SPEC): ... here.
12682 (link_gomp_spec): New.
12683 (static_specs): Include it.
12684 (LINK_COMMAND_SPEC): Add link_gomp.
12685 (GOMP_SELF_SPECS): New.
12686 (driver_self_specs): Include it.
12687 (switch_matches): Don't mark inline.
12688 (main): Load libgomp.spec.
12689 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12690 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12691 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12692 * tree-gimple.h (enum omp_parallel): Declare.
12693 (determine_parallel_type): Declare.
12694 (omp_firstprivatize_variable): Declare.
12695 (omp_reduction_init): Declare.
12696 (diagnose_omp_structured_block_errors): Declare.
12697 (struct walk_stmt_info): Add want_return_expr.
12698 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12699 (find_omp_clause): Declare.
12700 (insert_field_into_struct): Declare.
12701 (struct walk_stmt_info): Move from tree-nested.c
12702 (walk_stmts): Declare.
12703 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12705 * cgraphunit.c (cgraph_lower_function): Make static.
12706 (cgraph_finalize_pending_functions): New.
12707 (cgraph_finalize_function): Call it.
12708 (cgraph_finalize_compilation_unit): Likewise.
12709 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12710 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12711 (BT_FN_UINT_UINT): New.
12712 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12713 DEF_FUNCTION_TYPE_VAR_4): Document.
12714 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12715 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12716 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12717 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12718 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12719 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12720 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12721 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12722 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12723 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12724 into separate files.
12725 (DEF_GOMP_BUILTIN): New.
12726 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12727 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12728 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12729 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12730 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12731 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12732 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12733 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12734 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12735 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12736 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12737 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12738 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12739 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12740 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12741 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12742 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12743 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12744 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12745 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12746 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12747 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12748 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12749 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12750 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12751 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12752 * sync-builtins.def: New file, moved from builtins.def.
12753 * omp-builtins.def: New file, moved from builtins.def.
12754 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12755 * gimple-low.c (lower_function_body): Clear data.
12756 (lower_stmt): Do not handle COMPOUND_EXPR.
12757 Remove call to print_node_brief.
12758 * c-tree.h (c_finish_omp_clauses): New prototype.
12759 (C_DECL_THREADPRIVATE_P): Define.
12760 (lookup_name_no_remap, c_omp_remap_private): Remove
12761 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12762 (check_for_loop_decls): Update decl.
12763 (lookup_name_no_remap, c_omp_remap_private): Declare.
12764 (build_indirect_ref, build_modify_expr, pushdecl,
12765 pushdecl_top_level): Move to c-common.h.
12766 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12767 before the switch, but just in the 2 places that need it.
12768 * c-decl.c (diagnose_mismatched_decls): Do not check for
12769 mismatched thread-local attributes when OLDDECL is marked
12770 threadprivate and NEWDECL has no thread-local attributes.
12771 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12772 (c_gimple_diagnostics_recursively): Rename from
12773 c_warn_unused_result_recursively. Invoke
12774 diagnose_omp_structured_block_errors.
12775 (check_for_loop_decls): Return a singular decl found.
12776 * langhooks.c (lhd_omp_predetermined_sharing): Return
12777 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12778 (lhd_omp_firstprivatize_type_sizes): New.
12779 (lhd_omp_assignment): New.
12780 (lhd_omp_predetermined_sharing): New.
12781 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12782 (struct lang_hooks_for_types): Add
12783 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12784 omp_predetermined_sharing, omp_disregard_value_expr,
12785 omp_private_debug_clause, omp_clause_default_ctor,
12786 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12787 (c_finish_omp_clauses): New.
12788 (c_finish_bc_stmt): Diagnose break within omp for.
12789 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12790 (build_unary_op): Return error_mark after reporting
12792 (build_modify_expr): Likewise.
12793 * gimplify.c: Include optabs.h and pointer-set.h.
12794 (enum gimplify_omp_var_data): Declare.
12795 (struct gimplify_omp_ctx): Declare.
12796 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12798 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12799 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12800 (splay_tree_compare_decl_uid): New.
12801 (new_omp_context): New.
12802 (delete_omp_context): New.
12803 (gimple_add_tmp_var): Call omp_add_variable.
12804 (gimplify_bind_expr): Likewise.
12805 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12806 true, disregard DECL_VALUE_EXPR on the decl if any.
12807 (gimplify_expr_in_ctx): New.
12808 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12809 omp_add_variable, omp_notice_variable, omp_is_private
12810 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12811 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12812 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12813 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12814 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12815 gimplify_omp_atomic): New.
12816 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12817 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12818 OMP_CRITICAL and OMP_ATOMIC.
12819 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12820 * c-pragma.h (enum pragma_kind): Add
12821 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12822 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12823 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12824 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12825 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12826 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12827 PRAGMA_OMP_THREADPRIVATE.
12828 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12829 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12830 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12831 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12832 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12833 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12834 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12835 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12836 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12837 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12838 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12839 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12840 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12842 (struct nesting_info): Add field_map,
12843 suppress_expansion, debug_var_chain.
12844 (create_nesting_tree): Initialize them.
12845 (lookup_field_for_decl): Use field_map.
12846 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12847 (convert_local_omp_clauses): New.
12848 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12849 (walk_body): Split out of walk_function.
12850 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12851 (convert_nonlocal_reference): Handle omp statements.
12852 (convert_local_reference): Likewise.
12853 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12854 (unnest_nesting_tree): New.
12855 (lower_nested_functions): Call it.
12856 (insert_field_into_struct): Make extern.
12857 (struct walk_stmt_info): Move to tree-gimple.h.
12858 (walk_stmts): Make extern.
12859 * omp-builtins.def: New file.
12860 * tree-iterator.c (expr_only): Clarify comment.
12861 * c-common.h (pushdecl_top_level, pushdecl,
12862 build_modify_expr, build_indirect_ref,
12863 c_finish_omp_master, c_finish_omp_critical,
12864 c_finish_omp_ordered, c_finish_omp_barrier,
12865 c_finish_omp_atomic, c_finish_omp_flush,
12866 c_finish_omp_for, c_split_parallel_clauses,
12867 omp_clause_default_kind, c_omp_sharing_predetermined,
12868 c_omp_remap_decl): Declare.
12869 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12870 (OBJS-common): Add omp-low.o.
12871 (c-omp.o, omp-low.o): Add.
12872 (gimplify.o): Add dependency on $(OPTABS_H).
12873 (GTFILES): Add omp-low.c.
12874 (gt-stringpool.h): Add.
12875 * tree-cfg.c (set_bb_for_stmt): Do not update the
12876 block-to-labels map if we are currently expanding to RTL.
12877 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12879 Handle IDENTIFIER_NODE.
12880 (tree_verify_flow_info): Do not ICE when emitting error
12881 messages about invalid labels.
12882 (dump_function_to_file): Reset CFUN before emitting the body
12884 (debug_function): New.
12885 * passes.c (init_optimization_passes): Schedule
12887 * langhooks-def.h (lhd_omp_predetermined_sharing,
12888 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12890 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12891 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12892 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12893 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12894 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12895 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12896 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12897 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12898 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12899 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12900 (LANG_HOOK_DECLS): Use them.
12902 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12903 Richard Henderson <rth@redhat.com>
12904 Jakub Jelinek <jakub@redhat.com>
12905 Diego Novillo <dnovillo@redhat.com>
12907 * c-parser.c (pragma_omp_clause): Define.
12908 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12909 (c_parser_compound_statement): Likewise.
12910 (c_parser_statement): Likewise.
12911 (c_parser_pragma): Handle omp pragmas.
12912 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12913 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12914 (c_parser_omp_clause_name, check_no_duplicate_clause,
12915 c_parser_omp_variable_list,
12916 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12917 c_parser_omp_clause_copyprivate,
12918 c_parser_omp_clause_default,
12919 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12920 c_parser_omp_clause_lastprivate,
12921 c_parser_omp_clause_nowait,
12922 c_parser_omp_clause_num_threads,
12923 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12924 c_parser_omp_clause_reduction,
12925 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12926 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12927 c_parser_omp_atomic, c_parser_omp_barrier,
12928 c_parser_omp_critical, c_parser_omp_flush,
12929 c_parser_omp_for_loop, c_parser_omp_for,
12930 c_parser_omp_master, c_parser_omp_ordered,
12931 c_parser_omp_sections_scope, c_parser_omp_sections,
12932 c_parser_omp_parallel, c_parser_omp_single,
12933 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12934 * c-pragma.c (init_pragma): Do omp pragma registration here.
12935 * c.opt (fopenmp): New flag.
12937 2006-01-18 Eric Christopher <echristo@apple.com>
12939 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12940 * config/darwin.h (GOMP_SELF_SPECS): Define.
12942 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12944 * rtl.h: Remove the prototype for reg_alloc.
12946 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12949 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12950 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12951 sjlj and dwarf2 exception handling.
12952 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12953 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12954 * pa/pa.c (function_value): Treat complex and vector types as
12956 (function_arg): Likewise. Only pass scalar floats in the floating
12957 point argument registers.
12958 * pa/t-slibgcc-dwarf-ver: New file.
12959 * pa/t-slibgcc-sjlj-ver: New file.
12960 * pa/t-slibgcc-elf-ver: Delete file.
12962 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12964 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12965 unlikely_test_section_p test.
12967 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12969 * mode-switching.c (optimize_mode_switching): Make it static.
12970 * basic-block.h: Remove the prototype for
12971 optimize_mode_switching.
12973 * modulo-sched.c (sms_schedule): Make it static.
12974 * rtl.h: Remove the prototype for sms_schedule.
12976 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12977 * rtl.h: Remove the prototype for gcse_after_reload_main.
12979 * reg-stack.c (reg_to_stack): Make it static.
12980 * rtl.h: Remove the prototype for reg_to_stack.
12982 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12984 * rtl.h: Remove the prototypes for regrename_optimize and
12985 copyprop_hardreg_forward.
12987 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12989 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12990 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12991 Test against the appropriate null constant for the mode.
12992 If 'fixup_overlap' is true, swap the operands if they overlap.
12993 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12994 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12995 alpha_split_tmode_pair and adjust for above change.
12996 * config/alpha/alpha.md (movtf_internal): Adjust call to
12997 alpha_split_tfmode_pair and rely on it to swap the operands.
12998 (movti_internal): New insn and post-reload splitter.
12999 (movti): New expander.
13001 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13003 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13006 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13008 * rtlanal.c (global_reg_mentioned_p_1,
13009 global_reg_mentioned_p): Remove.
13010 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13012 * flow.c (initialize_uninitialized_subregs): Make it static.
13013 * rtl.h: Remove the prototype for
13014 initialize_uninitialized_subregs.
13016 * function.c (instantiate_virtual_regs): Make it static.
13017 * function.h: Remove the prototype for
13018 instantiate_virtual_regs.
13020 * regmove.c (regmove_optimize, combine_stack_adjustments):
13022 * rtl.h: Remove the prototypes for regmove_optimize and
13023 combine_stack_adjustments.
13025 2006-01-17 Roger Sayle <roger@eyesopen.com>
13027 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13028 (size_cost): Encode costs in bytes so that a reg-reg addition is
13029 equivalent to COSTS_N_INSNS(1).
13030 (override_options): Use the size_cost.branch_cost as the default
13031 ix86_branch_cost when optimizing for size.
13033 2006-01-18 Ben Elliston <bje@au.ibm.com>
13035 * Makefile.in (D32PBIT_FUNCS): New.
13036 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13037 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13038 D64PBIT_FUNCS and D128PBIT_FUNCS.
13039 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13040 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13042 (decnumber_dep): Define.
13043 * doc/libgcc.texi (Decimal float library routines): New node.
13044 * config/dfp-bit.h, config/dfp-bit.c: New files.
13046 2006-01-18 Ben Elliston <bje@au.ibm.com>
13048 * expr.c (emit_move_change_mode): Always adjust addresses, not
13049 just during reload. Copy replacements only during reload.
13050 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13051 emit_move_via_integer.
13053 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13055 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13056 instead of $(srcdir) and ${srcdir}.
13058 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13061 PR middle-end/11135
13062 * arm.h (struct machine_function): Add pic_reg.
13063 * arm.c (arm_pic_register): Make unsigned.
13064 (arm_override_options): Only set arm_pic_register if
13065 TARGET_SINGLE_PIC_BASE.
13066 (use_return_insn): Only test for a pic register if it is fixed.
13067 (arm_compute_save_reg0_reg12_mask): Likewise.
13068 (thumb_compute_save_reg_mask): Likewise.
13069 (legitimate_pic_operand): Factor out some known invariants.
13070 (legitimize_pic_address): If we don't have a fixed pic register,
13071 then set up a pseudo in the function entry sequence. Handle the
13072 pic base being in a pseudo.
13073 (arm_load_pic_register): Handle the pic register being in a pseudo.
13074 (arm_expand_prologue): Only set up the pic register if it is fixed.
13075 (thumb_expand_prologue): Likewise.
13076 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13077 (pic_load_addr_based_insn): Likewise.
13078 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13081 2006-01-18 Ben Elliston <bje@au.ibm.com>
13083 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13084 decimal float modes for all floating point registers.
13086 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13087 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13089 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13092 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13093 even when the pointer is not NULL.
13095 2006-01-16 Ian Lance Taylor <ian@airs.com>
13097 * common.opt (ftoplevel-reorder): New option.
13098 * cgraph.c (cgraph_asm_nodes): New global variable.
13099 (cgraph_asm_last_node): New static variable.
13100 (cgraph_order): New global variable.
13101 (cgraph_create_node): Set new order field.
13102 (cgraph_varpool_node): Likewise.
13103 (decide_is_variable_needed): Return true if not
13104 flag_toplevel_reorder.
13105 (cgraph_add_asm_node): New function.
13106 * cgraph.h (struct cgraph_node): Add order field.
13107 (struct cgraph_varpool_node): Add order field.
13108 (struct cgraph_asm_node): Define.
13109 (cgraph_asm_nodes, cgraph_order): Declare.
13110 (cgraph_add_asm_node): Declare.
13111 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13113 (cgraph_varpool_assemble_pending_decls): Call it.
13114 (cgraph_output_pending_asms): New static function.
13115 (cgraph_finalize_compilation_unit): Call it.
13116 (struct cgraph_order_sort): Define.
13117 (cgraph_output_in_order): New static function.
13118 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13119 !flag_toplevel_reorder case.
13120 * c-parser.c: Include "cgraph.h".
13121 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13123 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13124 than -fno-unit-at-a-time.
13125 * doc/invoke.texi (Option Summary): Mention
13126 -fno-toplevel-reorder.
13127 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13128 -funit-at-a-time documentation.
13130 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13131 Kazu Hirata <kazu@codesourcery.com>
13133 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13135 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13137 * Makefile.in (FUNCTION_H): New. Use it instead of
13138 function.h throughout the file.
13139 * function.h: Include tree.h.
13141 2006-01-17 Ben Elliston <bje@au.ibm.com>
13143 * recog.c: Separate some functions with whitespace.
13145 2006-01-16 Richard Henderson <rth@redhat.com>
13147 Merge from gomp branch:
13148 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13149 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13150 and rename from struct inline_data. Rename callee* to dst*;
13151 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13152 transform_new_cfg, transform_return_to_modify, and
13153 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13155 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13156 (copy_decl_for_dup): Remove.
13157 * tree-inline.c (struct inline_data): Move to header.
13158 (insert_decl_map): Export.
13159 (remap_decl): Update for member name changes. Use copy_decl hook.
13160 Allow for replacement to be a non-decl. Remove dead code.
13161 (remap_type_1): Check for existing mapping.
13162 (remap_type): Export.
13163 (remap_decls): Update for member name changes.
13164 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13165 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13166 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13167 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13168 (tree_function_versioning, build_duplicate_type): Likewise.
13169 (copy_body_r): Likewise. Export.
13170 (copy_decl_for_dup): Split into ...
13171 (copy_decl_for_dup_finish, copy_decl_to_var,
13172 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13173 (replace_ref_tree, inlining_p): Remove.
13175 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13177 * ifcvt.c (if_convert): Make it static.
13178 * rtl.h: Remove the prototype for if_convert.
13180 * local-alloc.c (local_alloc): Make it static.
13181 * rtl.h: Remove the prototype for local_alloc.
13183 * loop.c (loop_optimize): Make it static.
13184 * cfgloop.h: Remove the prototype for loop_optimize.
13187 2006-01-16 DJ Delorie <dj@redhat.com>
13189 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13192 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13194 * pa.md: Disparage copies between general and floating-point registers
13195 in 32-bit move patterns.
13197 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13200 * Makefile.in (check-%): Depend on site.exp instead of
13201 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13204 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13206 * global.c (global_alloc): Make it static.
13207 * rtl.h: Remove the prototype for global_alloc.
13209 2006-01-16 Richard Guenther <rguenther@suse.de>
13211 * tree-ssa-alias.c (struct used_part): Add write_only field.
13212 (get_or_create_used_part_for): Initialize it to true.
13213 (create_overlap_variables_for): Don't create structure variables
13214 for structures that only are written to.
13215 (find_used_portions): Handle MODIFY_EXPR to track whether a
13216 structure is only written to.
13218 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13220 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13222 * basic-block.h: Remove the prototype for
13223 partition_hot_cold_basic_blocks.
13225 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13227 * cppspec.c (lang_specific_spec_functions): Remove.
13228 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13229 * gcc.h (lang_specific_spec_functions): Remove.
13230 * gccspec.c (lang_specific_spec_functions): Remove.
13232 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13234 * combine.c (record_value_for_reg): Invalidate registers
13236 (record_dead_and_set_regs_1): Likewise, by passing them to
13237 record_value_for_reg.
13238 (record_dead_and_set_regs): Invalidate stores made by a
13239 call. We do not combine across a call, but we still
13240 relied on equivalences.
13242 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13244 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13245 vrp_int_const_binop returning non-constant nodes.
13247 2006-01-16 Paul Brook <paul@codesourcery.com>
13249 * config/m68k/m68k.c (output_move_const_into_data_reg):
13250 Output correct mnemonic for mvz and mvs.
13252 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13254 * rtl-factoring.c: Add sequence abstraction algorithm.
13255 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13256 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13258 (block_has_preserve_label): New function.
13259 * common.opt: Register new pass.
13260 * Makefile.in: Ditto.
13262 * timevar.def: Ditto.
13263 * tree-pass.h: Ditto.
13264 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13265 * rtl.h (make_jump_insn_raw): Add forward decl.
13266 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13268 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13269 Roger Sayle <roger@eyesopen.com>
13271 * fold-const.c (fold_minmax): New static function.
13272 (fold_binary) <MIN_EXPR>: Call it.
13273 <MAX_EXPR>: Likewise.
13274 * stor-layout.c (place_field): Use DECL_SIZE consistently
13275 in the computation of the new record size.
13277 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13279 * cse.c (cse_condition_code_reg): Make it static.
13280 * rtl.h: Remove the prototype for cse_condition_code_reg.
13282 * combine.c (combine_instructions): Make it static.
13283 * rtl.h: Remove the prototype for combine_instructions.
13285 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13288 * tree.c (get_file_function_name_long): Concatenate the first global
13289 object name with a string derived from the input filename of the object
13292 2006-01-16 Ben Elliston <bje@au.ibm.com>
13294 * config/i386/winnt-stubs.c: Update FSF address.
13295 * config/xtensa/ieee754-df.S: Ditto.
13296 * config/xtensa/ieee754-sf.S: Ditto.
13298 2006-01-14 Ian Lance Taylor <ian@airs.com>
13300 * ifcvt.c (noce_init_if_info): New static function, broken out of
13301 noce_process_if_block.
13302 (noce_process_if_block): Call noce_init_if_info.
13303 (check_cond_move_block): New static function.
13304 (cond_move_process_if_block): New static function.
13305 (process_if_block): Call cond_move_process_if_block.
13307 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13309 * cselib.c (hash_table): Rename to cselib_hash_table.
13310 (cselib_clear_table, discard_useless_values,
13311 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13312 cselib_init, cselib_finish): Adjust uses of hash_table.
13314 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13316 PR tree-optimization/25485
13317 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13318 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13319 is known to be false and true, respectively.
13321 2006-01-14 Richard Guenther <rguenther@suse.de>
13323 PR tree-optimization/22548
13324 PR tree-optimization/22555
13325 PR tree-optimization/22501
13326 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13327 * params.def (salias-max-array-elements): New parameter.
13328 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13329 * doc/invoke.texi (salias-max-array-elements): Document.
13330 * tree-flow-inline.h (var_can_have_subvars): We also handle
13332 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13334 * tree-ssa-structalias.c (params.h): Include.
13335 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13336 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13337 (get_constraint_for): For ADDR_EXPR operating on something
13338 containing an ARRAY_REF, add all subvars to the solution.
13339 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13340 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13341 for creating MUST_DEFs.
13342 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13344 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13346 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13348 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13349 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13350 number_of_iterations_le): New functions.
13351 (number_of_iterations_special): Removed.
13352 (number_of_iterations_exit): Do not use number_of_iterations_special.
13353 * tree.c (unsigned_type_for): Always return integer type.
13355 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13356 Richard Guenther <rguenther@suse.de>
13358 PR rtl-optimization/24257
13359 * gcse.c (find_moveable_store): Only consider a store movable
13360 when the SET_SRC of the insn can be assigned to a register.
13362 2006-01-14 Ian Lance Taylor <ian@airs.com>
13364 * tree.c (tree_not_class_check_failed): New function.
13365 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13366 (tree_not_class_check_failed): Declare.
13368 2006-01-13 Ian Lance Taylor <ian@airs.com>
13370 * reload1.c (do_output_reload): Add assertion rejecting a
13373 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13375 * combine.c (struct reg_stat): Add new fields truncation_label and
13377 (record_value_for_reg): Reset truncated_to_mode.
13378 (record_truncated_value): New function.
13379 (check_promoted_subreg): Call it. Rename to check_conversions.
13380 (combine_instructions): Rename check_promoted_subreg to
13382 (reg_truncated_to_mode): New function.
13383 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13384 (gen_lowpart_or_truncate): New function.
13385 (force_to_mode): Use it instead of gen_lowpart.
13387 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13389 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13390 VAR is a tag, not its type tag.
13392 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13394 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13395 alternatives to match style of other entries.
13396 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13398 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13400 PR tree-optimization/25771
13401 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13404 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13407 * tree-inline.c (declare_return_variable): If the return variable
13408 was marked as a non gimple complex, set the return slot variable
13409 to be a non gimple comple variable.
13411 2006-01-13 Richard Guenther <rguenther@suse.de>
13413 * builtins.c (expand_builtin_sincos): New function.
13414 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13416 (expand_builtin): Expand sincos using expand_builtin_sincos.
13418 2006-01-12 DJ Delorie <dj@redhat.com>
13420 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13421 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13422 so that constant shifts can be split.
13423 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13424 (m32c_valid_pointer_mode): Make static.
13425 (shift_gen_func_for): New.
13426 (m32c_prepare_shift): Use it. Split large const shifts into
13428 * config/m32c/predicates.md (shiftcount_operand): Allow more
13430 (longshiftcount_operand): New.
13431 * doc/md.texi (Machine Constraints): Document In6.
13433 2006-01-13 Ben Elliston <bje@au.ibm.com>
13435 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13436 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13439 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13441 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13442 to try to avoid clobbering pieces of structures when we know
13443 something about the whole structure.
13444 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13446 2006-01-13 Ben Elliston <bje@au.ibm.com>
13448 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13449 return in memory, as this is no limitation is no longer present.
13451 2006-01-12 DJ Delorie <dj@redhat.com>
13453 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13454 mova with fb, and for fb+0 -> An.
13456 * config/m32c/mov.md (peephole2): Fix enabling logic.
13458 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13459 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13460 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13461 FINI_ARRAY_SECTION_ASM_OP): Define.
13463 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13465 (m32c_legitimize_reload_address): New logic to reload FB to An.
13466 (m32c_output_reg_push): Add newline.
13467 (m32c_output_reg_pop): Likewise.
13469 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13471 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13473 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13475 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13477 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13479 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13482 2006-01-11 Ben Elliston <bje@au.ibm.com>
13484 * rtlanal.c (find_reg_note): Assert insn is not null.
13486 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13488 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13491 2006-01-11 Jeff Law <law@redhat.com>
13493 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13495 (mark_threaded_blocks, register_jump_thread): New functions.
13496 (thread_through_all_blocks): Remove unwanted argument. No
13497 longer rely on e->aux to communicate thread target info.
13498 Call mark_threaded_blocks. Release the threaded_blocks
13499 bitmap and threaded_edges vector when complete.
13500 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13501 (threaded_blocks): Remove.
13502 (tree_ssa_dominator_optimize): Remove initialization and
13503 finalization of threaded_blocks. Simplify call to
13504 thread_through_all_blocks.
13505 (thread_across_edge): Call register_jump_thread rather than
13506 storing thread information into e->aux.
13507 (free_all_edge_infos): Simplify now that e->aux is no longer
13508 used to communicate with thread_through_all_blocks.
13509 * tree-flow.h (thread_through_all_blocks): Update prototype.
13510 (register_jump_thread): Prototype.
13512 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13514 * df-core.c (df_compact_blocks, df_bb_replace): Use
13515 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13517 2006-01-11 Richard Guenther <rguenther@suse.de>
13519 PR tree-optimization/25734
13520 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13521 stop propagation after successful propagation to the LHS.
13523 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13525 * basic-block.h (control_flow_graph): Change the type of
13526 x_basic_block_info to VEC(basic_block,gc) *.
13527 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13529 (SET_BASIC_BLOCK): New.
13530 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13531 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13532 * cfgbuild.c (find_basic_blocks): Likewise.
13533 * cfglayout.c (fixup_reorder_chain): Likewise.
13534 * cfgrtl.c (create_basic_block_structure,
13535 rtl_create_basic_block): Likewise.
13536 * ifcvt.c (find_if_case_1): Likewise.
13537 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13540 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13542 * Makefile.in: Removed rotted odf.c entry.
13544 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13547 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13548 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13549 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13550 output pattern modifier, not %e.
13551 * config/cris/cris.c (cris_op_str): Update comment about pattern
13553 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13554 before falling through into...
13555 <case 'E'>: Redefined from old 'e' case.
13557 2006-01-11 Jan Hubicka <jh@suse.cz>
13560 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13562 2006-01-11 Jan Hubicka <jh@suse.cz>
13564 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13565 * i386.c (x86_decompose_lea): Kill.
13566 (ix86_rtx_costs): Kill.
13568 2006-01-11 Jan Hubicka <jh@suse.cz>
13570 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13571 * cgraph.h (cgraph_node): Add inline_decl.
13572 (cgraph_insert_node_to_hashtable): Declare.
13573 (save_inline_function_body): Declare.
13574 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13576 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13577 (cgraph_function_versioning): Update call of tree_function_versioning.
13578 (save_inline_function_body): New function.
13579 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13580 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13581 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13582 (cgraph_default_inline_p): Likewise.
13583 (cgraph_decide_inlining_incrementally): Likewise.
13584 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13585 (copy_bb): Kill saving; do updating of clones.
13586 (copy_cfg_body): Kill saving.
13587 (initialize_inlined-parameters): Likewise.
13588 (expand_call_inline): Likewise.
13590 (tree_function_versioning): New parameter "update_clones".
13591 (inlining_p): Kill saving.
13592 * tree-inline.h (tree_function_versioning): Update prototype.
13593 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13596 2006-01-11 Ian Lance Taylor <ian@airs.com>
13598 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13599 Allow undoing set of machine mode.
13600 (do_SUBST): Use enums instead of is_int.
13601 (do_SUBST_MODE): New function.
13602 (SUBST_MODE): New macro.
13603 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13604 reg and trying to replace reg_regno_rtx with a new register.
13605 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13606 (simplify_set): Use SUBST_MODE.
13607 (distribute_notes): Remove code that tried to update reg notes
13608 for regno_reg_rtx changes.
13610 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13612 PR tree-optimization/23109
13613 PR tree-optimization/23948
13614 PR tree-optimization/24123
13616 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13617 * tree-cfg.c (single_noncomplex_succ): New.
13618 * tree-flow.h (single_noncomplex_succ): Declare it.
13619 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13620 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13621 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13622 insert_bb, register_division_in, insert_reciprocals,
13623 replace_reciprocal, free_bb): New.
13624 (execute_cse_reciprocals_1): Rewritten.
13625 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13626 Do not commit any edge insertion. Always compute dominators and
13627 create the allocation pool.
13628 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13629 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13630 * targhooks.c (default_min_divistions_for_recip_mul): New.
13631 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13632 * passes.c (init_optimization_passes): Run recip after tree loop
13634 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13636 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13637 Kenneth Zadeck <zadeck@naturalbridge.com>
13639 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13640 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13641 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13642 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13643 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13644 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13645 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13646 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13647 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13648 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13649 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13650 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13651 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13652 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13653 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13654 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13655 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13656 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13657 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13658 DF_SCAN_POST_ALLOC): New macros.
13659 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13660 df_free_bb_function, df_local_compute_function, df_init_function,
13661 df_dataflow_function, df_confluence_function_0,
13662 df_confluence_function_n, df_transfer_function,
13663 df_finalizer_function, df_free_function, df_dump_problem_function,
13664 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13665 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13666 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13667 df_urec_bb_info, ) New types.
13668 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13670 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13671 df_analyze_simple_change_some_blocks,
13672 df_analyze_simple_change_one_block, df_compact_blocks,
13673 df_bb_replace, df_bb_regno_last_use_find,
13674 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13675 df_insn_regno_def_p, df_find_def, df_find_use,
13676 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13677 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13678 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13679 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13680 debug_df_chain, df_get_dependent_problem, df_chain_create,
13681 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13682 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13683 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13684 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13685 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13686 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13687 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13688 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13689 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13690 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13691 df_reorganize_refs, df_set_state, df_hard_reg_init,
13692 df_read_modify_subreg_p) New public functions.
13693 * df-core.c: The core dataflow solver and glue routines for rtl
13695 (df_init, df_add_problem, df_set_blocks, df_finish,
13696 df_hybrid_search_forward, df_hybrid_search_backward,
13697 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13698 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13699 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13700 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13701 df_reg_defined, df_find_use, df_reg_used, df_dump,
13702 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13703 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13704 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13705 debug_df_useno, reset_df_after_reload): New functions.
13706 * df-scan.c: The scanning fuctions, once in df.c, completely
13707 rewritten so that they now fully model the functionality of
13708 register usage at the backend.
13709 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13710 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13711 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13712 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13713 df_get_artificial_defs, df_get_artificial_uses,
13714 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13715 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13716 df_refs_delete, df_reorganize_refs, df_set_state,
13717 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13718 df_def_record_1, df_defs_record, df_uses_record,
13719 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13720 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13721 df_record_exit_block_uses, df_hard_reg_init): New functions.
13723 * df-problems.c: Seven concrete dataflow problems that use the
13724 scanning in df-scan.c and are solved by the engine in df-core.c.
13725 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13726 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13727 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13728 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13729 df_ru_free_bb_info, df_ru_alloc,
13730 df_ru_bb_local_compute_process_def,
13731 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13732 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13733 df_ru_transfer_function, df_ru_free, df_ru_dump,
13734 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13735 df_rd_free_bb_info, df_rd_alloc,
13736 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13737 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13738 df_rd_transfer_function, df_rd_free, df_rd_dump,
13739 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13740 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13741 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13742 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13743 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13744 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13745 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13746 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13747 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13748 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13749 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13750 df_urec_mark_reg_use_for_earlyclobber,
13751 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13752 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13753 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13754 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13755 df_chain_create_bb_process_use, df_chain_create_bb,
13756 df_chain_finalize, df_chain_free, df_chains_dump,
13757 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13758 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13759 df_reg_lifetime): New functions.
13760 * df.c: Deleted file.
13761 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13762 consistent with new df api.
13763 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13764 rest_of_handle_sms): Ditto.
13765 * web.c (unionfind_union, union_defs, entry_register, web_main):
13767 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13768 invariant_expr_equal_p, find_defs, check_dependencies,
13769 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13770 free_inv_motion_data, move_loop_invariants): Ditto.
13771 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13772 Update dependencies.
13773 (odf.c): Added defective entry that was deleted later in day.
13774 * sched-deps.c (sched_analyze_1): Ditto.
13776 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13778 * tree-ssa-operands.c (get_expr_operands): Record addressable
13779 variables directly. Do not call add_stmt_operands for CONST_DECLs
13781 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13782 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13784 2006-01-11 Ben Elliston <bje@au.ibm.com>
13786 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13787 function returns true in the positive case.
13789 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13792 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13793 for SI, DI, SF and DF modes. Add alternatives to copy between
13794 general and floating point registers to the 32-bit patterns.
13795 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13796 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13797 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13798 generating 64-bit code.
13799 * config/pa/pa.c (output_move_double): Handle copies between general
13800 and floating registers.
13802 2006-01-10 Stuart Hastings <stuart@apple.com>
13804 * config/i386/i386.md (set_got): Update.
13805 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13806 (builtin_setjmp_receiver): Mach-O support.
13807 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13808 (GOT_SYMBOL_NAME): Define.
13809 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13810 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13811 * config/i386/i386.c (override_options): Revise for Darwin.
13812 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13813 support. (darwin_x86_file_end): New. (output_set_got): Add label
13814 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13815 * config/i386/i386-protos.h (output_set_got): Likewise.
13816 * config/darwin.c (machopic_legitimize_pic_address): Update
13819 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13821 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13822 when MODE isn't BLKmode.
13824 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13826 PR rtl-optimization/25367
13827 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13829 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13832 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13833 for a negative bound.
13835 2006-01-10 Richard Guenther <rguenther@suse.de>
13837 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13838 Never override with anything constraint.
13840 2006-01-10 Jan Beulich <jbeulich@novell.com>
13842 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13843 256 bits when optimize_size.
13845 2006-01-10 Jan Beulich <jbeulich@novell.com>
13847 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13849 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13850 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13853 2006-01-10 Ben Elliston <bje@au.ibm.com>
13855 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13857 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13858 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13859 (USE_FP_FOR_ARG): Reject decimal float modes.
13860 (function_arg_advance): Likewise.
13861 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13862 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13863 point types in AltiVec vectors.
13864 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13865 (rs6000_libcall_value): Likewise.
13867 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13869 * config/xtensa/ieee754-df.S: New file.
13870 * config/xtensa/ieee754-sf.S: New file.
13871 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13872 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13873 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13875 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13877 * config/sh/predicates.md (binary_float_operator,
13878 binary_logical_operator, commutative_float_operator,
13879 equality_comparison_operator, greater_comparison_operator,
13880 less_comparison_operator, logical_operator,
13881 noncommutative_float_operator, shift_operator,
13882 symbol_ref_operand, unary_float_operator): Remove redundant
13885 2006-01-09 Jeff Law <law@redhat.com>
13887 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13888 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13889 now unused arguments. Callers updated.
13890 (eliminate_redundant_computations): Remove now unused arguments,
13892 (local_fold): Remove, no longer used.
13893 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13895 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13896 (simplify_cond): New function.
13897 (forward_propagate_into_cond): Call simplify_cond.
13899 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13901 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13902 (*vec_extractv2di_1_sse): New.
13904 2006-01-09 Ben Elliston <bje@au.ibm.com>
13906 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13908 2006-01-08 Richard Guenther <rguenther@suse.de>
13910 * tree-ssa-structalias.c (get_constraint_for): Remove
13911 anyoffset argument.
13912 (get_constraint_for_component_ref): Likewise.
13913 (do_deref): Likewise.
13914 (get_constraint_for): Likewise.
13915 (do_structure_copy): Likewise.
13916 (handle_ptr_arith): Likewise.
13917 (find_func_aliases): Likewise. Remove unused need_anyoffset
13920 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13921 Kaz Kojima <kkojima@gcc.gnu.org>
13923 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13924 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13925 (EXTRA_CONSTRAINT_C16): Remove.
13926 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13927 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13928 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13929 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13930 constants of SHmedia. Handle nested constant expressions of
13932 (andcosts): Fix the costs for SHmedia constants.
13933 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13934 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13935 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13936 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13937 (movv4hi_i, movv2si_i): Likewise.
13938 (movsi_const): Adjust the second operand of ior so to match with
13939 the Csu constraint.
13940 (movdi_const, movdi_const_32bit): Likewise.
13941 (movdi_const_16bit+1): Don't sign-extend LOW.
13942 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13944 (*double_shori): Fix the split condition. Use GEN_INT instead
13945 of get_int_mode calls. Mask lower 16-bit of the argument of
13947 (sym2GOTPLT): Remove.
13948 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13950 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13951 instead of EXTRA_CONSTRAINT_C16.
13953 2006-01-07 Ian Lance Taylor <ian@airs.com>
13954 David Edelsohn <edelsohn@gnu.org>
13956 PR rtl-optimization/25662
13957 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13958 for constant operands instead of simplify_gen_binary.
13959 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13960 after trying simplify_binary_operation
13962 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13964 * tree.c (iterative_hash_expr): Hash decls based on UID.
13966 2006-01-06 Eric Christopher <echristo@apple.com>
13968 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13969 (TARGET_UNWIND_EMIT): Fix spelling.
13970 * target.h (gcc_target): Add except_table_label.
13971 * except.c (output_function_exception_table): Use.
13972 * varasm.c (default_emit_except_table_label): New.
13973 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13975 (asm_out): Add here.
13976 * output.h (default_emit_except_table_label): Prototype.
13977 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13978 * config/darwin.c (darwin_emit_except_table_label): Define.
13979 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13981 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13983 PR tree-optimization/18527
13984 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13985 number_of_iterations_special, number_of_iterations_exit):
13986 Move base and step of an iv to a single structure. Add
13987 no_overflow flag, and use it in # of iterations analysis.
13988 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13989 folded_casts argument.
13990 (simple_iv): Pass base and step in a structure. Set no_overflow
13992 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13993 Evaluate expensiveness of computing # of iterations instead of
13994 the final expression.
13995 * tree-scalar-evolution.h (affine_iv): New structure.
13996 (simple_iv): Declaration changed.
13997 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13998 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13999 find_givs_in_stmt): Changed due to simple_iv change.
14001 2006-01-06 Jeff Law <law@redhat.com>
14004 * tree-cfg.c (bsi_replace): Rename final argument from
14005 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14006 change (stmt -> orig_stmt).
14007 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14008 (bsi_remove): Add new argument. Remove EH information
14010 (verify_eh_throw_table_statements): New function.
14011 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14013 * tree-optimize.c (execute_free_cfg_annotations): Verify
14014 the EH throw statement table after removing annotations.
14015 * except.h (verify_eh_throw_table_statements): Prototype.
14016 * tree-flow.h (bsi_remove): Update prototype.
14017 * tree-vrp.c (remove_range_assertions): Add new argument to
14019 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14020 * tree-complex.c (expand_complex_div_wide): Likewise.
14021 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14022 * tree-tailcall.c (eliminate_tailcall): Likewise.
14023 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14024 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14025 * tree-nrv.c (tree_nrv): Likewise.
14026 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14027 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14028 (combine_blocks): Likewise.
14029 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14030 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14031 (cleanup_control_flow): Likewise.
14032 (remove_forwarder_block): Likewise.
14033 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14034 * tree-sra.c (sra_replace): Likewise.
14035 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14036 (forward_propagate_single_use_vars): Likewise.
14037 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14038 * tree-inline.c (expand_call_inline): Likewise.
14039 * tree-vect-transform.c (vect_transform_loop): Likewise.
14040 * tree-outof-ssa.c (rewrite_trees): Likewise.
14041 * tree-cfg.c (make_goto_expr_edges): Likewise.
14042 (cleanup_dead_labels): Likewise.
14043 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14044 (bsi_move_before, bsi_move_after): Likewise.
14045 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14046 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14048 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14051 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14053 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14054 on non gimple variables. Also add checks at the top for decls and
14056 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14058 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14059 and IMAGPART_EXPR for creating MUST_DEFs.
14060 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14061 and NAME_MEMORY_TAG separately from the DECLs.
14063 2006-01-06 Richard Guenther <rguenther@suse.de>
14065 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14066 annotation, if necessary.
14067 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14068 redundant calls to update_stmt.
14069 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14072 2006-01-05 Richard Henderson <rth@redhat.com>
14074 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14076 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14078 * c-typeck.c: Update copyright date.
14080 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14082 * c-typeck.c (build_c_cast): Always warn when casting
14083 from a pointer to an integer of different size, even if
14084 the node was constant.
14086 2006-01-05 Richard Guenther <rguenther@suse.de>
14088 PR tree-optimization/22555
14089 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14090 if one structure field is an array.
14091 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14092 operands even if we found a subvar, but ignore VOPs in this
14094 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14096 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14098 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14100 PR middle-end/24998
14101 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14103 2006-01-05 Richard Guenther <rguenther@suse.de>
14104 Diego Novillo <dnovillo@redhat.com>
14106 * tree-pass.h (TODO_remove_unused_locals): Define.
14107 * gimple-low.c (expand_var_p, remove_useless_vars,
14108 pass_remove_useless_vars): Remove. Update all users.
14109 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14110 (remove_unused_locals): New function.
14111 * tree-flow.h (remove_unused_locals): Declare.
14112 * passes.c (execute_todo): Call remove_unused_locals if
14113 TODO_remove_unused_locals is set.
14114 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14115 * tree-ssa-dce.c (pass_dce): Likewise.
14116 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14118 2006-01-05 Richard Guenther <rguenther@suse.de>
14120 * tree-flow.h (struct fieldoff): Decompose field to
14121 type, size and decl.
14122 * tree-ssa-alias.c (create_sft): Take type as parameter.
14123 (create_overlap_variables_for): Store type, size and decl
14124 in the fieldoff structure.
14125 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14126 of struct fieldoff.
14127 (push_fields_onto_fieldstack): Likewise.
14128 (create_variable_info_for): Likewise. Use offset for the
14129 SFT name if the decl is not available.
14131 2006-01-04 Paul Brook <paul@codesourcery.com>
14133 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14135 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14137 * lambda-code.c (can_put_in_inner_loop): Relax
14139 (can_put_after_inner_loop): New function.
14140 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14141 (perfect_nestify): Change to make copies and modify uses.
14143 2006-01-04 Richard Henderson <rth@redhat.com>
14145 Merge from gomp branch:
14146 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14147 via integer constant.
14148 (pragma_lex): Remove.
14149 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14150 rather than parsing it.
14151 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14152 handle_pragma_extern_prefix): Add %< %> quotes.
14153 (registered_pragmas): New.
14154 (c_register_pragma_1): New.
14155 (c_register_pragma): Use it.
14156 (c_register_pragma_with_expansion): Likewise.
14157 (c_invoke_pragma_handler): New.
14158 (init_pragma): Use cpp_register_deferred_pragma directly for
14160 * c-pragma.h (enum pragma_kind): New.
14161 (pragma_handler): New.
14162 (c_invoke_pragma_handler): Declare.
14163 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14165 * c-common.h (c_common_pch_pragma): Update decl.
14166 * Makefile.in (c-parser.o): Update dependencies.
14167 (GTFILES): Add c-pragma.h.
14168 * c-parser.c (struct c_token): Add pragma_kind.
14169 (struct c_parser): Add in_pragma.
14170 (c_lex_one_token): Always initialize keyword and pragma_kind.
14171 Extract data for CPP_PRAGMA.
14172 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14173 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14174 Don't allow CPP_PRAGMA_EOL if in_pragma.
14175 (c_parser_consume_pragma): New.
14176 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14177 (c_parser_skip_to_end_of_parameter): Likewise.
14178 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14179 (c_parser_skip_to_pragma_eol): New.
14180 (c_parser_external_declaration): Handle CPP_PRAGMA.
14181 (c_parser_compound_statement_nostart): Likewise.
14182 (c_parser_statement_after_labels): Likewise.
14183 (c_parser_pragma): New.
14184 (pragma_lex): Likewise.
14185 (c_parser_pragma_pch_preprocess): New.
14186 (c_parser_new): Merge into ...
14187 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14189 2006-01-04 Jeff Law <law@redhat.com>
14192 * tree-cfg.c (bsi_replace): Remove the original statement
14193 from the EH throw statement table.
14195 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14197 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14198 make the prototype extern "C" and add throw ().
14201 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14202 and pos non-negative and pos + len <= 32.
14203 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14204 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14205 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14208 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14209 as well as sizes not multiple of component size.
14212 * function.c (instantiate_expr): New function.
14213 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14214 walk its DECL_VALUE_EXPR with instantiate_expr.
14216 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14217 DW_OP_deref{,_size} if address isn't going to be added.
14219 2006-01-04 Ben Elliston <bje@au.ibm.com>
14221 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14222 * config/fp-bit.c: Likewise.
14224 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14226 * dominance.c: Add comment about why we use DFS numbering
14229 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14230 Richard Henderson <rth@redhat.com>
14232 Merge from gomp-branch:
14233 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14234 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14236 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14238 PR rtl-optimization/25578
14239 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14240 pass a parameter to simplify_shift_const if changing ASHIFTRT
14243 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14245 * builtins.c (get_builtin_sync_mem): New function.
14246 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14247 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14248 Call get_builtin_sync_mem to generate mem rtx.
14250 2006-01-03 Richard Guenther <rguenther@suse.de>
14253 * stmt.c (add_case_node): Make sure to clear overflow flags
14256 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14258 Merge from gomp-branch.
14259 * config/sparc/sync.md: New file.
14260 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14261 UNSPECV_LDSTUB): New constants.
14262 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14263 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14264 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14267 2006-01-03 Roger Sayle <roger@eyesopen.com>
14269 * combine.c (reg_subword_p): New predicate to test whether the
14270 destination of a set refers to a subword/piece of a register.
14271 (try_combine): Generalize the code to merge the setting of a
14272 pseudo to a constant followed by a set of a subword of that
14273 register to a constant.
14275 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14277 * basic-block.h (control_flow_graph): Change the type of
14278 x_label_to_block_map to VEC(basic_block,gc) *.
14279 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14280 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14282 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14283 VEC(basic_block,heap) *.
14284 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14285 ssa_prop_fini): Adjust the uses of cfg_blocks.
14287 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14289 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14291 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14292 hashing trees instead of a pointer hash.
14293 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14294 compare for MEM_EXPR.
14296 PR rtl-optimization/25130
14297 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14298 when comparing MEMs for GCSE
14300 2006-01-03 Ben Elliston <bje@au.ibm.com>
14302 * targhooks.h (default_decimal_float_supported_p): Declare.
14303 * targhooks.c (default_decimal_float_supported_p): Define.
14304 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14305 `default_decimal_float_supported_p'.
14306 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14308 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14310 * combine.c (apply_distributive_law <SUBREG>): Check
14311 TRULY_NOOP_TRUNCATION.
14313 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14315 * dwarf2out.c (have_switched_text_section): Delete.
14316 (have_multiple_function_sections): New.
14317 (have_location_lists): Make 'bool'.
14318 (add_AT_loc_list): Use 'true' not '1'.
14319 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14320 (output_loc_list): Use have_multiple_function_sections.
14321 (output_ranges): Likewise.
14322 (dwarf2out_begin_function): Set have_multiple_function_sections if
14324 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14325 Check function_section rather than DECL_SECTION_NAME.
14326 (dwarf2out_finish): Use have_multiple_function_sections.
14327 Don't clear have_location_lists.
14329 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14330 Jan Hubicka <jh@suse.cz>
14332 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14333 case of conditional jump jumping to the next instruction.
14334 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14335 cases of conditional jump jumping to the next instruction.
14337 2006-01-02 Jan Hubicka <jh@suse.cz>
14339 * i386.c (*_cost): Add COSTS_N_INSNS.
14340 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14342 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14345 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14347 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14349 * config/arm/arm.c (all_fpus): Fix comment typo.
14350 * config/darwin.c: Likewise.
14351 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14352 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14353 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14355 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14357 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14358 (rs6000_split_compare_and_swapqhi): New.
14359 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14360 (sync_compare_and_swapqhi_internal): New.
14361 * config/rs6000/rs6000-protos.h: Declare.