1 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6 pointer, instead of assuming it is possible to derive the
7 correct args size from a call insn.
9 2006-09-02 Jakub Jelinek <jakub@redhat.com>
12 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
13 (fold_builtin_mempcpy): Rename to...
14 (fold_builtin_memory_op): ... this. Optimize one element copy
16 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
18 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
19 (expand_builtin_memcpy, expand_builtin_mempcpy,
20 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
21 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
22 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
23 BUILT_IN_MEM{CPY,PCPY,MOVE}.
25 2006-09-01 DJ Delorie <dj@redhat.com>
27 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
29 ("stzx_24_<mode>"): Likewise.
30 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
31 ("cmp<mode>_op"): New.
32 (cmp<mode>): Change to expander; just save operands.
34 (b<code>): Change to expander, emit compare here.
35 (s<code>_op): Change to use split and expander.
36 (s<code>_24_op): Likewise.
37 (s<code>_<mode>): New.
38 (s<code>_<mode>_24): New.
39 (movqicc_<code>_<mode): New.
40 (movhicc_<code>_<mode>): New.
43 * config/m32c/m32c.c (compare_op0, compare_op1): New.
44 (m32c_pend_compare): New.
45 (m32c_unpend_compare): New.
46 (m32c_expand_scc): New.
47 (m32c_expand_movcc): Emit the compare also.
48 * config/m32c/predicates.md (mra_nopp_operand): New.
50 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
51 Richard Guenther <rguenther@suse.de>
52 Adam Nemet <anemet@caviumnetworks.com>
55 * builtins.c (get_pointer_alignment): Handle more forms
56 of base addresses that can be used to derive more precise
57 information about alignment.
59 2006-09-01 Jason Merrill <jason@redhat.com>
62 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
65 * gimplify.c (voidify_wrapper_expr): Handle null type.
67 2006-09-01 Josh Conner <jconner@apple.com>
70 * tree-nrv.c (dest_safe_for_nrv_p): New function.
71 (execute_return_slot_opt): Use it.
73 2006-08-31 Josh Conner <jconner@apple.com>
76 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
79 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
81 PR tree-optimization/28839
82 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
83 blocks in that phi arguments appear.
85 2006-08-31 Roger Sayle <roger@eyesopen.com>
88 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
89 NULL, otherwise use an advance_loc4 to adjust relative to the
91 (output_cfi) <DW_CFA_set_loc>: Update the current label.
92 (dwarf2out_switch_text_section): Reset the current label to avoid
93 using advance_loc4 over section boundaries.
95 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
98 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
101 2006-08-30 Richard Guenther <rguenther@suse.de>
103 * Makefile.in (see.o): Add $(EXPR_H) dependency.
105 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
107 PR rtl-optimization/27735
108 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
109 Add new argument to keep track of whether an irreducible region
110 was affected. All callers changed.
111 (fix_irreducible_loops): Removed.
112 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
113 flags were invalidated.
115 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
117 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
118 instead of SF operands.
119 (*fop_df_comm_sse): Likewise.
120 (*fop_df_comm_i387): Likewise.
121 (*fop_df_1_mixed): Likewise.
122 (*fop_df_1_sse): Likewise.
124 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
125 J"orn Rennecke <joern.rennecke@st.com>
127 PR tree-optimization/17506
128 * tree-ssa.c (warn_uninit): If warning about a location outside of
129 the current function, note where the variable was declared.
131 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
133 PR tree-optimization/28411
134 * double-int.c (double_int_div): Use double_int_divmod.
135 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
136 double_int_mod, double_int_smod, double_int_umod): New functions.
137 * double-int.h (double_int_divmod, double_int_sdivmod,
138 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
140 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
142 (get_computation_aff, get_computation_cost_at): Handle double_int
143 return type of constant_multiple_of.
145 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
148 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
149 an implicit conversion.
151 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
153 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
155 2006-08-27 Roger Sayle <roger@eyesopen.com>
157 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
160 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
162 * config/i386/crtfastmath.c: Fix a comment typo.
164 2006-08-26 Roger Sayle <roger@eyesopen.com>
166 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
167 temporary visit flags on CASE_LABEL_EXPRs.
168 * c-common.c (match_case_to_enum): Add function comment. Avoid
169 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
170 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
171 CASE_HIGH_SEEN for enumerated types. If the switch expression is
172 a constant, only warn if that constant value isn't handled.
174 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
177 * input.h (restore_input_file_stack): Declare.
178 (INPUT_FILE_STACK_BITS): Define.
179 * toplev.c (fs_p, input_file_stack_history,
180 input_file_stack_restored, restore_input_file_stack): New.
181 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
182 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
183 (pop_srcloc): Don't free old state of stack.
185 2006-08-26 David Edelsohn <edelsohn@gnu.org>
188 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
189 (PowerPC Type Attributes): New.
191 2006-08-26 Bob Wilson <bob.wilson@acm.org>
193 * config/xtensa/xtensa.c (function_arg_boundary): New.
194 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
196 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
197 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
199 2006-08-26 Jakub Jelinek <jakub@redhat.com>
202 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
205 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
207 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
208 (verify_local_live_at_start): Likewise.
210 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
213 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
214 omp_add_variable): Treat sizes as variable whenever not
217 2006-08-26 Richard Guenther <rguenther@suse.de>
220 * fold-const.c (fold_binary): Fold temporary to correct
221 type before constructing new comparison.
223 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
226 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
227 variable again if DECL_SEEN_IN_BIND_EXPR_P.
229 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
232 * c-decl.c (start_function): Don't try to process prototype
233 information from old declaration that isn't a function.
235 2006-08-25 Jan Hubicka <jh@suse.cz>
238 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
240 2006-08-25 Alan Modra <amodra@bigpond.net.au>
243 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
246 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
248 PR tree-optimization/16876
249 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
250 exit if PARM doesn't match VALUE.
252 2006-08-25 Bob Wilson <bob.wilson@acm.org>
254 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
255 literal_prefix directive.
256 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
257 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
258 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
260 2006-08-25 David Edelsohn <edelsohn@gnu.org>
263 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
264 predicate to general_operand. Add 0->y and I->r alternatives.
266 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
268 * doc/tm.texi: Fix a typo.
269 * predict.c: Fix comment typos.
271 2006-08-25 Nick Clifton <nickc@redhat.com>
273 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
274 assertions of "cpu" and "machine".
276 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
279 * tree-ssa-operands.c (access_can_touch_variable): Don't say
280 the access through a base which has an alias set of 0 cannot
283 2006-08-24 Bill Wendling <wendling@apple.com>
285 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
287 2006-08-24 Jan Hubicka <jh@suse.cz>
289 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
291 2006-08-24 Jan Hubicka <jh@suse.cz>
294 * cgraph.c: Fix comments.
295 (cgraph_varpool_mark_needed_node): Mark only variables not already
297 * cgraphunit.c: Update comments; include gt-cgraphunit.h
298 (cgraph_varpool_assembled_nodes_queue): New static variable.
299 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
300 (cgraph_varpool_output_debug_info): New function.
301 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
302 * Makefile.in: Add gt-cgraphunit.h
304 2006-08-24 Jan Hubicka <jh@suse.cz>
306 * predict.c (probability_reliable_p): New predicate.
307 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
308 (predict_loops): Do not predict loop exit with less than 2%
310 * basic-block.h (edge_probability_reliable_p,
311 br_prob_note_reliable_p): Declare.
312 * ia64.h (ia64_print_operand): Do not disable on-chip branch
313 prediction when static predictor is not reliable.
314 * rs6000.c (output_cbranch): Likewise.
316 2006-08-23 Stuart Hastings <stuart@apple.com>
319 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
320 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
322 2006-08-21 Geoffrey Keating <geoffk@apple.com>
325 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
326 complex values, nor for generic vector values.
328 2006-08-22 Richard Guenther <rguenther@suse.de>
331 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
332 parameter. Convert arguments to arithmetic expression to the
334 (analyze_scalar_evolution_1): Adjust caller.
336 2006-08-22 Jan Hubicka <jh@suse.cz>
338 Patch by Paolo Bonzini
339 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
342 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
344 PR tree-optimization/28003
345 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
346 before grouping aliases.
348 2006-08-22 Roger Sayle <roger@eyesopen.com>
350 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
351 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
353 2006-08-21 Jason Merrill <jason@redhat.com>
356 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
357 wrapper. Loop to handle nested wrappers.
358 (gimplify_bind_expr): Remove temp parameter.
359 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
360 and STATEMENT_LIST on the rhs.
361 (gimplify_statement_list): Voidify the STATEMENT_LIST.
362 (gimplify_expr): Pass pre_p to gimplify_statement_list.
363 (gimplify_target_expr): Remove special BIND_EXPR handling.
365 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
367 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
370 2006-08-21 Olivier Hainque <hainque@adacore.com>
372 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
373 Arrange for the temporary captures of components overlapping the lhs
374 to happen before the lhs is possibly cleared.
376 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
378 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
379 necessary places to pass the correct "number of registers" values
382 2006-08-20 Jan Hubicka <jh@suse.cz>
384 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
385 (create_name_tags): Instead of quadratic checking use hashtable.
386 * bitmap.h: Include hashtab.h.
387 (bitmap_hash): Declare.
388 * bitmap.c (bitmap_hash): New function.
390 2006-08-20 Jan Hubicka <jh@suse.cz>
392 PR rtl-optimization/28071
393 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
395 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
396 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
397 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
398 cgraph_decide_inlining_incrementally): Update use of
399 cgraph_check_inline_limits.
400 * cgraph.c (edge_hash, edge_eq): New function.
401 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
402 cgraph_edge_remove_caller, cgraph_node_remove_callees,
403 cgraph_remove_node): Maintain call site hash.
404 * cgraph.h (struct cgraph_node): Add call_site_hash.
405 (cgraph_set_call_stmt): New function.
407 2006-08-20 Jan Hubicka <jh@suse.cz>
409 PR rtl-optimization/28071
410 * reload1.c (reg_has_output_reload): Turn into regset.
411 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
412 choose_reload_regs, emit_reload_insns): Update to new
413 reg_has_output_reload.
415 2006-08-20 Jan Hubicka <jh@suse.cz>
418 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
420 * cgraphunit.c (cgraph_analyze_function): Don't do so.
422 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
425 * tree.c (handle_dll_attribute): Return early if not a
426 var or function decl.
428 2006-08-18 Joseph Myers <joseph@codesourcery.com>
431 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
432 alignment of SPE vector types.
434 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
436 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
438 2006-08-17 Jakub Jelinek <jakub@redhat.com>
441 * cgraph.h (struct cgraph_node): Remove externally_visible
443 * cgraphunit.c (process_function_and_variable_attributes): Set
444 local.externally_visible rather than externally_visible.
447 * c-common.c (handle_externally_visible_attribute): First look
448 at TREE_CODE and only if it is function or var decl, check for
449 non-public objects. Don't warn for DECL_EXTERNAL.
450 * cgraphunit.c (process_function_and_variable_attributes): Warn
451 if externally_visible attribute is used on non-public object.
453 2006-08-17 Jan Hubicka <jh@suse.cz>
455 PR tree-optimization/27865
456 * reload1.c (forget_marked_reloads): New function.
457 (forget_old_reloads_1): When data are passed, just mark the registers
459 (reload_as_needed): Use the new mechanizm.
461 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
464 * reload.h (reg_equiv_alt_mem_list): New declaration.
465 * reload1.c (reg_equiv_alt_mem_list): New definition.
466 (reload): Initialize it and release it.
467 (delete_output_reload): Use it.
468 * reload.c (push_reg_equiv_alt_mem): New function.
469 (find_reloads_toplev): Call it.
470 (find_reloads_address, find_reloads_address_1): Likewise.
471 (find_reloads_subreg_address): Likewise.
473 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
475 PR rtl-optimization/28489
476 * sched-ebb.c (begin_schedule_ready): Create basic block
478 (advance_target_bb): Skip empty blocks.
479 * haifa-sched.c (bb_note): Make global.
480 * sched-int.h (bb_note): Add prototype.
482 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
484 PR tree-optimization/27865
485 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
487 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
488 fold_used_pointer, pointer_used_p): New functions.
489 (analyze_scalar_evolution_1): Use fold_used_pointer.
490 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
491 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
494 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
497 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
498 or the INTEGER_CST. Fail on a CALL_EXPR.
499 (fold_offsetof): Pass new argument to fold_offsetof_1.
500 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
501 operand into an INDIRECT_REF.
502 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
504 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
506 PR gcov/profile/26570
507 * value-prof.c (static_values): Removed.
508 (tree_find_values_to_profile): Do not set static_values.
509 (find_values_to_profile): Do not free static_values.
510 * profile.c (instrument_values): Do not free the values.
511 (branch_prob): Free the values.
513 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
515 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
517 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
520 * c-typeck.c (build_component_ref): Combine qualifiers of
521 structure or union and field.
523 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
525 PR rtl-optimization/28071
526 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
527 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
528 * tree-into-ssa.c (struct dom_dfsnum): New.
529 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
531 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
532 compute_global_livein.
533 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
534 in phi nodes in the correct blocks.
536 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
538 PR tree-optimization/28364
539 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
541 (fold_affine_expr): New function.
542 (may_eliminate_iv): Use fold_affine_expr.
544 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
547 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
550 2006-08-16 Mike Stump <mrs@apple.com>
552 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
553 * doc/cppopts.texi (-MD): Likewise.
555 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
558 * c-common.c (handle_weak_attribute): Ignore and warn if
559 not a FUNCTION_ or VAR_DECL.
561 2006-07-15 Mike Stump <mrs@apple.com>
564 * c-parser.c (c_parser_typeof_specifier): Don't use
565 c_finish_expr_stmt, open code desired semantics instead.
567 2006-08-15 Nick Clifton <nickc@redhat.com>
569 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
570 fragment to tmake_file only if threads are enabled.
571 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
572 * config/i386/t-gthr-win32: New file. ... here.
574 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
577 * c-parser.c (c_parser_compound_statement_nostart): Reset
578 parser->error after each statement.
580 2006-08-15 Jakub Jelinek <jakub@redhat.com>
583 * omp-low.c (lower_omp_parallel): Convert t to
584 receiver_decl's type.
585 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
586 source before comparison.
589 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
590 to itype in assignment to oldival2.
592 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
596 * c-typeck.c (build_compound_expr): If the second expression
597 is an error mark, then just return an error mark instead of
598 creating a COMPOUND_EXPR.
600 2006-07-14 Mike Stump <mrs@apple.com>
602 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
604 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
606 * c-decl.c, var-tracking.c: Fix comment typos.
608 2006-08-14 Richard Sandiford <richard@codesourcery.com>
610 PR rtl-optimization/28634
611 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
612 for floating-point modes unless flag_unsafe_math_optimizations.
614 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
615 Andrew Pinski <pinskia@physics.uc.edu>
618 * tree.c (build_array_type): Unify array types with
619 unspecified index_type.
620 * c-decl.c (grokdeclarator): Make sure we do not modify a
621 unified incomplete array type.
622 * c-typeck.c (store_init_value): Create distinct type before
623 filling in the index type in an initializer from a compound
626 * c-decl.c (grokdeclarator): Remove code where we copy the
629 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
631 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
632 into account for TODO_dump_cgraph.
633 (TODO_update_ssa_no_phi): Likewise.
634 (TODO_update_ssa_full_phi): Likewise.
635 (TODO_update_ssa_only_virtuals): Likewise.
636 (TODO_remove_unused_locals): Likewise.
637 (TODO_set_props): Likewise.
638 (TODO_update_stmt_usage): Likewise.
640 2006-08-13 Dirk Mueller <dmueller@suse.de>
642 * c-common.c (strict_aliasing_warning): Fix formatting.
644 2006-08-13 Matthias Klose <doko@debian.org>
646 * doc/invoke.texi: Fix spelling errors.
648 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
650 PR rtl-optimization/23454
651 * reorg.c (relax_delay_slots): Update comment.
653 2006-08-11 Richard Guenther <rguenther@suse.de>
656 * simplify-rtx.c (simplify_const_relational_operation):
657 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
660 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
662 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
663 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
665 2006-08-10 Paul Brook <paul@codesourcery.com>
667 * final.c (final_scan_insn): Clear current_insn_predicate before
668 outputting inline asm.
670 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
672 PR tree-optimization/26197
673 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
674 get_ref_base_and_extent and overlap_subvar to add only relevant
675 subvars as may-aliases.
676 (add_may_alias_for_new_tag): New function, factored out of
678 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
679 with additional argument.
680 * tree-flow.h (new_type_alias): Takes additional argument.
682 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
684 * gcov.c (no_data_file): New flag.
685 (read_count_file): Set it if data file not present. Assume counts
687 (output_lines): Don't name the data file, if there wasn't one.
689 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
691 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
692 (rs6000_generate_compare): Tweak comments.
693 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
695 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
697 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
698 (var_debug_decl): New function.
699 (var_reg_set): Follow debug decl link. Add location even if
700 reg is already known to hold some other variable.
701 (var_mem_set): Follow debug decl link.
702 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
703 decl link. Delete other known locations of the variable part
705 (var_reg_delete, var_mem_delete): Delete other known locations
706 of the variable part if requested.
707 (same_variable_part_p): New function.
708 (add_stores): Select MO_COPY when appropriate.
709 (vt_initialize): Handle it.
710 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
711 known locations for MO_SET and MO_CLOBBER.
712 (find_variable_location_part): New function.
713 (set_variable_part, delete_variable_part): Use it.
714 (clobber_variable_part): New function.
715 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
718 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
720 PR tree-optimization/26969
721 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
722 with an empty list of PHIs.
724 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
728 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
731 2006-08-06 Andreas Schwab <schwab@suse.de>
733 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
734 string. Whitespace and comment fixup.
736 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
739 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
743 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
746 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
748 2006-08-04 Jan Hubicka <jh@suse.cz>
752 * reload.c (push_reload): Patch out the mismatching instruction;
754 (find_reload): Bail out if the instruction was patched out.
756 2006-08-04 Jan Hubicka <jh@suse.cz>
758 PR tree-optimization/24888
759 * tree-inline.c (expand_call_inline): Do not re-record variables.
760 (declare_inline_vars): Add variable to unexpanded_var_list.
762 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
763 Roger Sayle <roger@eyesopen.com>
765 PR rtl-optimization/26244
766 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
767 inner_const are negative or greater than or equal to the bitsize of
768 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
769 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
770 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
771 CONST0_RTX (mode) when the new shift count is greater than or equal to
772 to the bitsize of the object being shifted and XEXP (y, 0) has no side
775 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
777 * tree-cfg.c: Fix a comment typo.
779 2006-08-03 Mark Mitchell <mark@codesourcery.com>
782 * varasm.c (output_constant): Give the front end another chance to
783 expand constants, after stripping NOPs.
785 2006-08-03 Jan Hubicka <jh@suse.cz>
787 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
790 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
792 PR tree-optimization/27770
793 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
794 declaration removed (moved to tree-flow.h).
795 (vect_can_force_dr_alignment_p): Likewise.
796 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
797 (moved from tree-vectorizer.h).
798 (vect_can_force_dr_alignment_p): Likewise.
799 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
800 from outside the vectorizer - in particular from cgraph stage.
801 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
802 the alignment of global arrays when -fsection-anchors is enabled.
803 * cgraphunit.c (cgraph_increase_alignment): New function.
804 (cgraph_optimize): Call cgraph_increase_alignment.
806 2006-08-03 David Edelsohn <edelsohn@gnu.org>
809 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
810 not reload a SPE symbol_ref into a lo_sum address.
812 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
815 * dwarf2out.c (prune_unused_types_prune): Move call to
816 prune_unused_types_update_strings to cover the parent DIE also.
818 2006-08-02 Jan Hubicka <jh@suse.cz>
820 PR gcov/profile/28480
821 * tree-cfg.c (change_bb_for_stmt): New function.
822 (tree_merge_blocks, tree_split_blocks): Use it.
824 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
830 * toplev.c (compile_file): Return early on errorcount or sorrycount.
831 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
832 (cgraph_optimize): Likewise.
834 2006-08-01 Stuart Hastings <stuart@apple.com>
836 * rtl.h (UINTVAL) New.
837 * config/rs6000/rs6000.c (SMALL_INT) Use it.
838 * testsuite/gcc.dg/20060801-1.c: New.
840 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
843 * c-typeck.c (build_external_type): Mark used enum types.
844 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
846 (gen_subprogram_die): Whitespace fix.
848 2006-08-01 Jan Hubicka <jh@suse.cz>
850 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
851 bitmap when not needed.
852 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
855 2006-08-01 Dirk Mueller <dmueller@suse.de>
857 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
859 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
861 * Makefile.in: Revert part of previous patch:
862 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
865 2006-07-30 Eric Christopher <echristo@apple.com>
868 * doc/extend.texi (i386 Variable Attributes): Add anchor.
869 (PowerPC Variable Attributes): New section.
871 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
873 PR target/28126 (partial fix)
874 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
876 2006-07-28 Jan Hubicka <jh@suse.cz>
878 PR rtl-optimization/28071
879 * cfgrtl.c (rtl_delete_block): Free regsets.
880 * flow.c (allocate_bb_life_data): Re-use regsets if available.
882 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
884 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
885 and variables used in dependencies.
887 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
889 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
890 %fs for -mcmodel=kernel.
891 (stack_tls_protect_test_di): Likewise.
893 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
895 * Makefile.in: Use mkinstalldirs.
897 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
900 * opts-common.c (prune_options): Skip joined switches.
902 2006-07-27 Jan Hubicka <jh@suse.cz>
904 PR rtl-optimization/28071
905 * cselib.c (cselib_process_insn): Don't remove useless values too
906 often for very large hashtables.
908 2006-07-27 Jan Hubicka <jh@suse.cz>
910 PR rtl-optimization/28071
911 * global.c (greg_obstack): New obstack.
912 (allocate_bb_info): Use it.
913 (free_bb_info): Likewise.
914 (modify_reg_pav): Likewise.
916 2006-07-27 Roger Sayle <roger@eyesopen.com>
918 * builtins.c (fold_fixed_mathfn): When long and long long are the
919 same size, canonicalize llceil*, llfloor*, llround* and llrint*
920 functions to their lceil*, lfloor*, lround* and lrint* forms.
922 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
925 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
927 (rev_branch_insn): Likewise.
929 2006-07-27 Jan Hubicka <jh@suse.cz>
931 PR rtl-optimization/28071
932 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
933 (reg_set_in_bb, max_reg_computed): New static variables.
934 (regmove_optimize): Free the new array.
935 (fixup_match_1): Update call of reg_is_remote_constant_p.
937 2006-07-26 Jan Hubicka <jh@suse.cz>
939 PR tree-optimization/27882
940 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
942 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
944 (cgraph_analyze_compilation_unit): Likewise.
945 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
946 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
947 (cgraph_early_inlinine): Make order garbage collected.
948 * Makefile.in (gt-ipa-inline): New garbagecollected file.
950 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
952 * dbxout.c (output_types_sort): Add a comment.
953 (output_used_types): Free the VEC.
955 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
957 * function.c (reorder_fix_fragments): Delete.
958 (reorder_blocks): Don't call it.
959 (reorder_blocks_1): Put all subblocks under the origin block.
961 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
963 PR rtl-optimization/27907
964 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
967 2006-07-25 Roger Sayle <roger@eyesopen.com>
970 * convert.c (convert_to_integer): When transforming (T)foo(x) into
971 bar(x) check that bar's result type can represent all the values of T.
973 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
975 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
977 2006-07-25 Nick Clifton <nickc@redhat.com>
979 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
981 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
982 (ggc_pch_count_object): Likewise.
983 (ggc_pch_alloc_object): Likewise.
984 (ggc_pch_write_object): Likewise.
985 (init_ggc): Do not attempt to initialize entries in the
986 size_lookup[] array for objects whose size is greater than than
987 the length of the array.
989 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
991 * dbxout.c (output_used_types_helper): Push queued types
993 (output_types_sort): New.
994 (output_used_types): Collect used types on a VEC and sort them
997 2006-07-24 Richard Guenther <rguenther@suse.de>
1000 * cgraph.c (cgraph_remove_node): Do not check if dumps
1002 * cgraphunit.c (cgraph_optimize): Likewise.
1004 2006-07-24 Jan Hubicka <jh@suse.cz>
1006 PR rtl-optimization/28071
1007 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1008 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1009 splitting before first stmt.
1011 2006-07-24 Jan Hubicka <jh@suse.cz>
1013 PR rtl-optimization/28071
1014 * ipa-inline.c (update_caller_keys): Remove edges that
1015 are no longer inline candidates.
1017 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1020 * dbxout.c (output_used_types_helper, output_used_types): New.
1021 (dbxout_symbol): Call output_used_types.
1023 2006-07-23 Jan Hubicka <jh@suse.cz>
1027 * cgraph.c (cgraph_varpool_nodes): Export.
1028 (decide_is_variable_needed): Ignored "used" attribute in
1029 unit-at-a-time mode.
1030 * cgraph.h (cgraph_varpool_nodes): Declare.
1031 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1032 unit-at-a-time mode.
1034 2006-07-23 Roger Sayle <roger@eyesopen.com>
1037 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1038 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1039 the __gthrw form of thr_keycreate.
1040 (__gthread_key_delete): Silence the unused argument warning.
1042 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1045 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1046 Cache the last found '\0' marker to avoid quadratic behavior.
1048 2006-07-23 Jan Hubicka <jh@suse.cz>
1050 * i386.md (subsi_3_zext): Fix output template.
1052 2006-07-21 Mike Stump <mrs@apple.com>
1054 * doc/invoke.texi (C++ Dialect Options): Note that
1055 -fvisibility-inlines-hidden doesn't affect explicitly
1056 instantiationed inline methods.
1058 2006-07-20 Roger Sayle <roger@eyesopen.com>
1060 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1061 if the target assembler is GNU binutils' gas.
1062 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1063 whether to pass GNU gas or native as command line options.
1065 2006-07-20 Jason Merrill <jason@redhat.com>
1067 * tree.c (remove_attribute): New fn.
1068 * tree.h: Declare it.
1070 2006-07-20 Paul Brook <paul@codesourcery.com>
1073 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1074 they are invalidated by this instruction.
1076 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1079 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1081 2006-07-20 Eric Christopher <echristo@apple.com>
1084 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1086 2006-07-19 Eric Christopher <echristo@apple.com>
1088 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1089 Rewrite dependencies for libgcc_s.1.dylib.
1091 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1093 * except.c (duplicate_eh_regions_1): Clear next_peer.
1095 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1097 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1098 -mlongcall does not guarantee all calls will be long.
1099 * doc/extend.texi (long_call/short_call): Document that longcall
1100 does not guarantee a long call will be used.
1101 (longcall/shortcall): Likewise.
1103 2006-07-18 Roger Sayle <roger@eyesopen.com>
1106 * expmed.c (expand_shift): Additionally check that the shift_cost
1107 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1108 before implementing a LSHIFT_EXPR as a sequence of additions.
1109 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1110 middle-end that DImode shifts need to be synthesized by expand.
1112 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1115 * tree-ssa-operands.c (access_can_touch_variable): Update
1117 Return true if ALIAS is .GLOBAL_VAR.
1119 2006-07-18 David Daney <ddaney@avtrex.com>
1121 * gcc.c (display_help): Fix typo in help text.
1123 2006-07-18 Olivier Hainque <hainque@adacore.com>
1125 * tree.h (categorize_ctor_elements): Adjust prototype and add
1126 descriptive comment, both in accordance with the interface change
1128 * varasm.c (constructor_static_from_elts_p): New function.
1129 Whether a constructor node is a valid static constant initializer
1130 if all its elements are.
1131 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1132 * output.h: Declare it.
1133 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1134 is a valid constant initializer instead of computing the number of
1135 non-constant elements. Use constructor_static_from_elts_p for this
1136 purpose. Replace the head comment with an indication that this is a
1137 helper for categorize_ctor_elements.
1138 (categorize_ctor_elements): Same interface change as for the _1
1139 helper. Former head comment from this helper moved here, adjusted to
1140 account for the interface changes.
1141 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1142 (all_zeros_p): Likewise.
1143 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1144 static versions of the constructor from the categorize_ctor_elements
1145 return value instead of the formerly computed number of non-constant
1148 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1150 * configure: Regenerate.
1151 * Makefile.in (build_libsubdir): New configure substitution
1152 (build_libobjdir): New variable.
1153 (BUILD_LIBIBERTY): Use it.
1155 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1158 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1160 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1163 * c-common.c (handle_weakref_attribute): Ignore attribute in
1164 the same conditions the alias attribute is ignored.
1166 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1168 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1169 (dbxout_begin_prologue): Increment scope_labelno.
1171 2006-07-17 Richard Henderson <rth@redhat.com>
1174 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1177 2006-07-17 Roger Sayle <roger@eyesopen.com>
1178 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1180 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1181 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1182 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1183 functions such as sbrk, write, etc.. Add function prototypes.
1184 Convert function declarations from K&R to ISO C. Cast pointers
1185 to "long" and "unsigned long" instead of "int" and "unsigned int".
1186 Convert tokens following #endif into comments.
1188 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1190 * invoke.texi: Remove mention of f77; Reformat table for
1191 inline parameter options correctly; mention that -malign-double
1192 is default on x86-64 targets.
1194 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1196 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1197 (convert_affine_scev, chrec_convert_aggressive): Use
1198 avoid_arithmetics_in_type_p. Do not check for the subtypes
1201 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1204 * optabs.c (expand_doubleword_shift): Wrap the call to
1205 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1207 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1210 * optabs.c (expand_binop): Pass next_methods rather than methods
1211 to expand_doubleword_shift.
1213 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1216 * tree.h (dump_addr): Declare.
1217 * print-tree.c (dump_addr): New function.
1218 (print_node_brief, print_node): Use it.
1219 * print-rtl.c (print_rtx): Likewise.
1220 * common.opt (-fdump-noaddr): New option.
1221 * doc/invoke.texi (-fdump-noaddr): Document.
1222 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1223 (ve_info_hash): Likewise.
1225 2006-07-13 Andrew Haley <aph@redhat.com>
1227 PR tree-optimization/19505
1228 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1229 edge leaving this block, make sure that the destination of this
1230 block has only one predecessor.
1232 2006-07-17 Richard Guenther <rguenther@suse.de>
1234 PR tree-optimization/28238
1235 * tree-inline.c (copy_bb): Check if we produced valid
1236 gimple copying and substituting a stmt. If not, gimplify
1239 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1241 * optabs.c (maybe_encapsulate_block): New function extracted from...
1242 (emit_libcall_block): ...here. Invoke it on the block of insns to
1243 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1244 (emit_no_conflict_block): Likewise.
1246 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1248 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1250 2006-07-15 Roger Sayle <roger@eyesopen.com>
1252 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1253 a new NOP_EXPR case of the switch statement.
1255 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1258 * stor-layout.c (place_field): Take the bit field with
1259 an excessive size into account in the ms-bitfiled case.
1262 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1263 the previous bit field.
1265 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1268 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1270 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1272 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1273 signal frames correctly even when the signal was installed with
1276 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1278 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1279 (dbxout_function_end): Use local label LFBB. Remove hook
1281 (dbxout_source_line): Use local label LFBB.
1282 (dbxout_block): Likewise.
1283 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1284 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1285 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1286 and DBX_OUTPUT_NFUN.
1288 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1290 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1292 2006-07-13 Jan Hubicka <jh@suse.cz>
1294 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1296 * output.h (align_variable): Declare.
1297 * varasm.c (align_variable): Export.
1298 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1299 when basic block changed.
1301 2006-07-13 Nick Clifton <nickc@redhat.com>
1303 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1304 walking the LOG_LINKS chain.
1306 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1308 * doc/invoke.texi (C++ Dialect Options): Explain difference
1309 between -fvisibility-inlines-hidden and setting hidden
1310 visibility explicitly.
1312 2006-07-12 Eric Christopher <echristo@apple.com>
1314 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1315 (stmp-lipo): Depend on libgcc.a.
1317 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1319 * tree.c: Fix a comment typo.
1321 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1323 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1325 (umulhisi3_r): Likewise.
1327 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1330 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1331 x < 19, vs wchar_t support.
1333 2006-07-12 Nick Clifton <nickc@redhat.com>
1335 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1336 instead of -isa=sh4.
1338 2006-07-12 Mike Stump <mrs@apple.com>
1340 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1342 2006-07-10 Eric Christopher <echristo@apple.com>
1344 * config/t-slibgcc-darwin: Rewrite.
1346 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1349 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1352 2006-07-08 Matthias Klose <doko@debian.org>
1354 * doc/sourcebuild.texi: Fix typo.
1356 2006-07-07 Mike Stump <mrs@apple.com>
1358 * toplev.c (process_options): Don't give -ffunction-sections may
1359 affect debugging warning for Mach-O.
1361 2006-07-07 James E Wilson <wilson@specifix.com>
1363 * config/mips/mips.md (cpu): Add sb1a.
1364 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1365 addition to sb1. Adjust comments to clarify SB-1A differences from
1367 (ir_sb1a_load): New. Modify bypasses to use it.
1368 (ir_sb1a_simple_alu): Likewise.
1369 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1370 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1371 (mips_issue_rate): Add PROCESSOR_SB1A.
1372 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1373 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1374 (TARGET_SB1): Add PROCESSOR_SB1A check.
1375 (TUNE_SB1): Likewise.
1377 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1378 * config/mips/mips.c (mips_store_data_bypass_p): New.
1379 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1380 store_data_bypass_p.
1382 2006-07-08 Paul Brook <paul@codesourcery.com>
1385 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1387 2006-07-07 Richard Guenther <rguenther@suse.de>
1390 * tree.h (build_one_cst): Declare.
1391 * tree.c (build_one_cst): New function.
1392 * tree-ssa-math-opts.c (get_constant_one): Remove.
1393 (insert_reciprocals): Use build_one_cst.
1394 * fold-const.c (fold_plusminus_mult): Likewise.
1396 2006-07-07 Roger Sayle <roger@eyesopen.com>
1398 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1399 * cfgloopanal.c (dump_graph): Likewise.
1400 * dojump.c (discard_pending_stack_adjust): Likewise.
1401 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1403 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1404 * function.c (finalize_block_changes): Likewise.
1405 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1406 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1407 * rtl.c (dump_rtx_statistics): Likewise.
1408 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1410 * varray.c (dump_varray_statistics): Likewise.
1411 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1412 decode_decimal64, encode_decimal128, decode_decimal128,
1413 decimal_real_to_decimal): Likewise.
1415 2006-07-07 Richard Guenther <rguenther@suse.de>
1417 PR tree-optimization/28187
1418 * tree-vrp.c (vrp_operand_equal_p): New function.
1419 (vrp_bitmap_equal_p): Likewise.
1420 (update_value_range): Use them to compare old and new
1423 2006-07-06 Roger Sayle <roger@eyesopen.com>
1425 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1426 a default case to switch statement to silence compiler warnings.
1428 2006-07-06 Roger Sayle <roger@eyesopen.com>
1431 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1432 the configured assembler supports the x87's ffreep mnemonic.
1433 * configure: Regenerate.
1434 * config.in: Regenerate.
1436 * config/i386/i386.c (output_387_ffreep): New function.
1437 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1438 (output_387_reg_move): Likewise.
1440 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1442 Port to hosts whose 'sort' and 'tail' implementations
1443 treat operands with leading '+' as file names, as POSIX
1444 has required since 2001. However, make sure the code still
1445 works on pre-POSIX hosts.
1446 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1447 which says you should use "tail -c +N" rather than "tail +Nc".
1448 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1450 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1452 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1455 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1458 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1459 PRE_{INC,DEC} of TFmode.
1461 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1462 Alan Modra <amodra@bigpond.net.au>
1465 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1468 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1471 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1472 Remove duplicate gtu.
1474 2006-07-05 Jason Merrill <jason@redhat.com>
1478 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1479 * c-common.c (handle_packed_attribute): So don't copy it here.
1480 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1482 2006-07-05 Mike Stump <mrs@apple.com>
1484 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1486 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1489 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1491 2006-07-05 Richard Guenther <rguenther@suse.de>
1494 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1495 TARGET_SSE2 targets if using SSE math.
1496 (*absdf2_1): Likewise.
1498 2006-07-05 Richard Guenther <rguenther@suse.de>
1500 PR tree-optimization/28162
1501 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1502 make sure to convert the operands to the correct type.
1504 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1506 PR tree-optimization/28218
1508 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1509 to calculate and free the dominator information.
1511 2006-07-04 Peter O'Gorman <peter@pogma.com>
1513 * mklibgcc.in: chmod 644 before ranlib during install.
1515 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1516 J"orn Rennecke <joern.rennecke@st.com>
1518 * configure.ac (.eh_frame data check): Use diff -b.
1520 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1523 * Makefile.in (BUILD_RTL): Add build/vec.o.
1524 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1525 (build/genextract): Delete.
1526 (build/genautomata): Likewise.
1528 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1531 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1532 128-bit IBM long doubles for ABI_V4.
1534 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1536 * tree.c (range_in_array_bounds_p): New predicate.
1537 * tree.h (range_in_array_bounds_p): Declare it.
1538 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1539 return a less conservative answer.
1540 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1541 and flag 'is_group'.
1542 (IS_ELEMENT_FOR_GROUP): New macro.
1543 (FOR_EACH_ACTUAL_CHILD): Likewise.
1544 (next_child_for_group): New helper function.
1545 (can_completely_scalarize_p): Take into account groups.
1546 (sra_hash_tree): Handle RANGE_EXPR.
1547 (sra_elt_eq): Likewise.
1548 (lookup_element): Be prepared for handling groups.
1549 (is_valid_const_index): Delete.
1550 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1551 instead of is_valid_const_index.
1552 <ARRAY_RANGE_REF>: New case.
1553 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1554 is_valid_const_index.
1555 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1556 (scan_dump): Dump info for groups too.
1557 (decide_instantiation_1): Likewise.
1558 (decide_block_copy): Assert that the element is not a group.
1559 Propagate decision to groups.
1560 (generate_one_element_ref): Handle RANGE_EXPR.
1561 (mark_no_warning): Iterate over actual childs.
1562 (generate_copy_inout): Likewise.
1563 (generate_element_copy): Likewise.
1564 (generate_element_zero): Likewise.
1565 (generate_element_init_1): Likewise.
1566 (dump_sra_elt_name): Handle RANGE_EXPR.
1568 2006-07-03 Roger Sayle <roger@eyesopen.com>
1570 PR tree-optimization/26251
1571 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1572 (thread_block): When optimizing for size refuse to thread jumps
1573 that would require duplication of blocks other than redirection
1576 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1578 * configure.ac: Fix thinko in previous check-in.
1579 * configure: Regenerate.
1581 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1584 * configure.ac (for lang...): Simplify nesting of conditionals.
1585 Test subdir_requires for non-enabled languages. Move processing
1586 of lang_opt_files and lang_tree_fiels below that test.
1587 * configure: Regenerate.
1588 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1590 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1592 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1594 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1596 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1599 2006-06-29 Jason Merrill <jason@redhat.com>
1606 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1607 * c-common.c (c_determine_visibility): Handle it here.
1608 * c-decl.c (finish_decl): Call c_determine_visibility for
1610 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1612 * varasm.c (default_assemble_visibility): Likewise.
1613 * c-common.c (handle_visibility_attribute): Complain about trying
1614 to give visibility to an already defined class, or trying to change
1615 declared visibility. Always attach the attribute.
1620 * attribs.c (decl_attributes): Ignore type-in-place attributes
1621 once the type has been defined.
1623 2006-06-29 Roger Sayle <roger@eyesopen.com>
1626 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1627 to indicate the cpplib has issued an error message for us.
1629 2006-06-29 Asher Langton <langton2@llnl.gov>
1632 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1633 insert a label at the end of an function under Mach-O.
1635 2006-06-29 Eric Christopher <echristo@apple.com>
1636 Evan Cheng <evan.cheng@apple.com>
1638 * predicates.md (vector_all_ones_operand): New.
1639 (nonimmediate_or_sse_const_operand): Ditto.
1640 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1641 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1642 (standard_sse_mode_p): Ditto.
1643 (standard_sse_constant_p): Add case for -1 vector.
1644 (ix86_expand_vector_move): Try to use.
1645 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1646 Call standard_sse_constant_opcode.
1647 (*movv4sf_internal): Ditto.
1648 (*movv2df_internal): Ditto.
1650 2006-06-29 Roger Sayle <roger@eyesopen.com>
1652 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1653 of XEXP to extract the operands of a MATCH_CODE rtx.
1655 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1657 * tree.c (tree_size): Do not waste tail padding in
1658 struct tree_string and make the size be the same as
1659 build_string will generate.
1661 2006-06-28 Jason Merrill <jason@redhat.com>
1664 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1665 may_aliases already in the tag's annotations to the bitmap.
1667 2006-06-28 Roger Sayle <roger@eyesopen.com>
1669 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1671 2006-06-28 Roger Sayle <roger@eyesopen.com>
1673 * genpreds.c (generate_switch_p): New function.
1674 (add_mode_tests): Push the new mode test down inside an AND expr
1675 if this allows the switch-suitable MATCH_CODE to be near the root.
1676 (write_match_code_switch): New function to write a MATCH_CODE as
1678 (write_predicate_stmts): New function to write a predicate RTX
1679 expression as a sequence of statements.
1680 (write_one_predicate_function): Use write_predicate_stmts.
1681 (write_tm_constrs_h): Likewise.
1683 2006-06-26 Fred Fish <fnf@specifix.com>
1685 * config/mips/t-sb1: New file.
1686 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1689 2006-06-26 DJ Delorie <dj@redhat.com>
1691 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1693 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1694 Jayant Sonar <jayants@kpitcummins.com>
1695 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1697 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1698 (subsi3, subsi3_1, subsi3_2): New.
1699 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1700 * config/m32c/mov.md (SI mov peephole): New.
1701 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1702 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1704 2006-06-26 Olivier Hainque <hainque@adacore.com>
1706 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1707 a CALL_EXPR target function declaration.
1709 2006-06-26 Richard Guenther <rguenther@suse.de>
1711 * tree.c (build_string): Do not waste tail padding in
1714 2006-06-26 Richard Guenther <rguenther@suse.de>
1716 * ggc-page.c (init_ggc): Add missing element to size_lookup
1720 2006-06-23 Richard Guenther <rguenther@suse.de>
1722 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1723 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1724 alignment requests instead. Add verification code.
1725 Add struct tree_function_decl and struct tree_binfo size to
1726 extra_order_size_table. Add missing element to size_lookup
1729 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1732 * fold-const.c (const_binop): Be prepared for self returning zero.
1733 Simplify code handling complex values.
1735 2006-06-24 Olivier Hainque <hainque@adacore.com>
1737 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1738 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1741 2006-06-24 Olivier Hainque <hainque@adacore.com>
1743 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1744 ARRAY_REF, so have the callback called for the low bound expression.
1746 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1748 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1749 * c-typeck.c (c_common_type): Disallow operations on decimal float
1750 types and other float types.
1751 * convert.c (convert_to_real): Don't ignore conversions involving
1752 decimal float types.
1754 2006-06-23 Olivier Hainque <hainque@adacore.com>
1756 * tree.c (max_int_size_in_bytes): New function, inspired from
1757 code in function.c:assign_temp.
1758 * tree.h (max_int_size_in_bytes): Declare.
1759 * function.c (assign_temp): Use it.
1760 * gimplify.c (create_tmp_var): Relax the assertions on the type
1761 properties, not mandating constant size any more.
1762 (force_constant_size): New static function.
1763 (gimple_add_tmp_var): Use it, forcing variable size to a
1764 constant upper bound if it is not constant on entry.
1766 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1769 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1770 for initialization and setting of one_only flag to ...
1771 (i386_pe_encode_section_info): ...here.
1772 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1773 Recheck that the symbol has not been defined.
1775 2006-06-23 Richard Guenther <rguenther@suse.de>
1777 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1778 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1779 alignment requests instead. Add verification code.
1780 Add struct tree_function_decl and struct tree_binfo size to
1781 extra_order_size_table. Add missing element to size_lookup
1784 2006-06-22 Roger Sayle <roger@eyesopen.com>
1785 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1788 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1789 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1791 2006-06-23 Ben Elliston <bje@au.ibm.com>
1793 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1794 negate dn -- manipulate it directly.
1796 2006-06-22 Roger Sayle <roger@eyesopen.com>
1797 Steven Bosscher <stevenb.gcc@gmail.com>
1800 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1801 generated by gen_move_insn to add REG_LABEL notes if necessary.
1803 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1805 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1806 (leaf_entry): Remove use of MIN_ESA.
1808 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1810 PR rtl-optimization/28121
1811 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1814 2006-06-21 DJ Delorie <dj@redhat.com>
1816 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1818 (mulhisi3_r): Likewise.
1820 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1823 * coverage.c (coverage_counter_alloc): Leave the index type
1825 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1828 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1830 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1831 section from the "Options for Code Generation Conventions".
1833 2006-06-21 Richard Henderson <rth@redhat.com>
1837 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1839 (global_symbolic_operand): Allow weak symbols, even if local_p.
1841 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1843 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1844 (find_interesting_uses_address): Punt if above function returns true.
1846 2006-06-21 Richard Guenther <rguenther@suse.de>
1848 * configure: Regenerated.
1850 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1852 * config/mips/mips.c (function_arg): Where one part of a
1853 complex argument is in registers and the other part in the stack,
1854 return a REG not a PARALLEL.
1856 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1858 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1859 when cross-compiling. Do not substitute libstdcxx_incdir.
1860 * configure: Regenerated.
1862 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1864 * varasm.c (mergeable_string_section): Check for embedded NULs and
1865 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1866 rather than TREE_STRING_LENGTH bytes.
1868 2006-06-21 Richard Guenther <rguenther@suse.de>
1870 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1871 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1874 2006-06-21 Richrad Guenther <rguenther@suse.de>
1876 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1877 Limit iteration over the dominators.
1879 2006-06-20 Roger Sayle <roger@eyesopen.com>
1881 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1882 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1884 2006-06-20 Richard Guenther <rguenther@suse.de>
1885 Michael Matz <matz@suse.de>
1887 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1889 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1890 * et-forest.h (et_free_pools): Prototype new function.
1891 * et-forest.c (et_free_tree_force): Free parent occurrence.
1892 (et_free_pools): New function.
1893 * dominance.c (free_dominance_info): Free et-forest alloc
1896 2006-06-20 Roger Sayle <roger@eyesopen.com>
1898 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1899 integer modes, attempt to directly construct an integer constant.
1901 * fold-const.c (native_encode_vector): Determine the size of each
1902 element from the vector type instead of the first vector element.
1904 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1905 if all of its elements/components are constant.
1906 (build_constructor_from_list): Likewise.
1908 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1910 PR tree-optimization/27331
1911 * tree-data-ref.c (free_data_ref): New function.
1912 (create_data_ref): Fail if the data reference has unknown access
1914 (free_data_refs): Use free_data_ref.
1916 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1919 * tree-inline.c (setup_one_parameter): Strip useless
1920 type conversion before adding it to the IR.
1921 (declare_return_variable): Likewise.
1923 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1926 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1928 2006-06-19 Mike Stump <mrs@apple.com>
1930 * tree.c (variably_modified_type_p): VM arguments don't make the
1933 2006-06-19 Richard Guenther <rguenther@suse.de>
1935 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1936 type conversions after folding.
1938 2006-06-19 Richard Guenther <rguenther@suse.de>
1940 * ggc-page.c (extra_order_size_tab): Add entries with
1941 size of struct function and basic_block.
1942 (size_lookup): Extend to cover sizes up to 511.
1943 (ggc_alloc_stat): Adjust user.
1944 (ggc_pch_count_object): Likewise.
1945 (ggc_pch_alloc_object): Likewise.
1946 (ggc_pch_write_object): Likewise.
1948 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1950 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1951 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1954 2006-06-19 Denis Chertykov <denisc@overta.ru>
1956 * config/avr/libgcc.S : Correct my wrong previous commit.
1958 2006-06-19 Roger Sayle <roger@eyesopen.com>
1961 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1962 have stripped a SUBREG from the shift count, so we may need to
1963 convert_to_mode back to the type's mode before calling make_tree.
1964 Use new_amount instead of amount to avoid expanding a tree twice.
1966 2006-06-19 Richard Guenther <rguenther@suse.de>
1969 * fold-const.c (operand_equal_p): Check if the argument types
1970 have the same precision before stripping NOPs.
1972 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1974 Fix PR tree-optimization/27341
1975 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1977 * tree-complex.c (pass_lower_complex): Update SMT usage.
1979 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1981 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1982 Add a new alternative to the constraint strings. Add move of
1983 operand 1 to 3 to the splitter definition.
1984 ("doloop_si_long"): Second contraint alternative removed.
1986 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1988 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1989 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1991 (AVR_HAVE_MOVW) Define.
1992 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1993 (ASM_SPEC): Add avr25.
1994 (LINK_SPEC): Add avr25.
1995 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1996 (base_arch_s): Add new member 'have_movw_lpmx'.
1997 (avr_arch_types): Init 'have_movw_lpmx'.
1998 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1999 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2000 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2001 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2002 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2004 (avr_file_start): Do not output '.arh' derective.
2005 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2006 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2007 * config/avr/avr.md (mcu_enhanced): Delete.
2008 (mcu_have_movw): Define.
2009 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2010 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2011 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2012 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2013 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2014 attiny861 and at86rf401 devices.
2016 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2018 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2021 2006-06-17 Karl Berry <karl@gnu.org>
2023 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2024 doc/gccint.texi, doc/install.texi (@dircategory): Use
2025 "Software development" instead of "Programming", following
2026 the Free Software Directory.
2028 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2030 * config/i386/i386.c (legitimate_tls_address)
2031 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2032 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2033 (*tls_dynamic_gnu2_combine_64): Likewise.
2035 2006-06-16 Richard Guenther <rguenther@suse.de>
2038 * fold-const.c (negate_expr_p): Do not introduce undefined
2039 overflow in negating INTEGER_CSTs.
2040 (fold_negate_expr): Rename from negate_expr. Revert last
2041 change for folding BIT_NOT_EXPR. Change semantics to
2042 return NULL_TREE for non-simplified negations. Do not
2043 strip type conversions and unify type handling.
2044 (negate_expr): New function, wrap around fold_negate_expr
2045 but ensure building a tree always. Strip type conversions
2046 here, fold to result type.
2047 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2049 2006-06-16 Roger Sayle <roger@eyesopen.com>
2052 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2053 that (would) return their results in stack registers.
2055 2006-06-16 Michael Matz <matz@suse.de>
2056 Richard Guenther <rguenther@suse.de>
2058 * fold-const.c (fold_truthop): Only return new tree node if
2059 we canonicalized something.
2061 2006-06-16 Richard Guenther <rguenther@suse.de>
2063 * function.h (enum function_frequency): Move declaration
2064 out of struct function.
2065 (struct function): Move bool fields and the enum to the bitfield
2066 section. Reorder elements to avoid padding. Remove unused
2067 fields left over from the RTL inliner removal.
2068 * function.c (free_after_compilation): Do not zero removed fields.
2069 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2070 (ipa-type-escape.o): Likewise.
2072 2006-06-16 Richard Guenther <rguenther@suse.de>
2074 * cgraph.h (struct cgraph_local_info): Turn bool elements
2076 (struct cgraph_node): Likewise.
2077 (struct cgraph_varpool_node): Likewise.
2079 2006-06-15 Richard Guenther <rguenther@suse.de>
2081 * fold-const.c (fold_truth_not_expr): Rename from
2082 invert_truthvalue. Give it fold_* semantics to avoid
2084 (invert_truthvalue): New function. Wrapper around
2085 fold_truth_not_expr.
2086 (optimize_minmax_comparison): Avoid creating garbage.
2087 (fold_unary): Use fold_truth_not_expr for folding
2089 (fold_ternary): Replace uses of invert_truthvalue with
2090 fold_truth_not_expr where applicable.
2091 * tree.h (fold_truth_not_expr): Prototype.
2093 2006-06-16 Richard Guenther <rguenther@suse.de>
2095 PR tree-optimization/27781
2096 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2097 * ipa-pure-const.c (target.h): Include.
2098 (analyze_function): Do not analyze functions that do not
2101 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2104 * tree-dfa.c (referenced_vars_dup_list): Remove.
2105 (find_referenced_vars): Remove assert.
2106 (referenced_var_check_and_insert): Replace dup list with assert.
2107 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2108 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2110 2006-06-15 Richard Guenther <rguenther@suse.de>
2112 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2113 extra unused identifiers if not dumping.
2114 (create_variable_info_for): Likewise.
2116 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2118 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2119 (derive_constant_upper_bound): Derive more precise upper bound in
2120 common cases. Return type changed to double_int.
2121 (record_estimate): Reflect the changed return type of
2122 derive_constant_upper_bound.
2123 * double-int.c (double_int_zext, double_int_sext): Fix.
2125 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2127 * configure.ac (CFLAGS): Get them from the toplevel or from the
2128 configure invocation.
2129 * configure: Regenerate.
2130 * Makefile.in (CFLAGS): Substitute value provided by configure.
2132 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2135 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2136 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2137 rather than calling add_stmt on it.
2138 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2140 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2143 * reload1.c (reload): Remove registers returned by update_eliminables
2144 from used_spill_regs.
2146 2006-06-13 DJ Delorie <dj@redhat.com>
2148 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2150 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2152 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2153 html__strip_dir, html__mkdir_p. Enhance install-html target.
2154 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2155 * configure: Regenerate.
2157 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2159 * fold-const.c (fold_cond_expr_with_comparison): Check for
2160 Objective-C++ as language in deciding COND_EXPR transformation.
2162 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2165 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2166 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2167 * config/sh/lib1funcs.h (SL, SL1): Define.
2168 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2169 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2170 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2171 (OBJS_Os_4_200): New variable.
2172 ($(T)libgcc-Os-4-200.a): Use it.
2173 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2174 when dividing 1 and/or by 0.
2176 2006-06-13 Roger Sayle <roger@eyesopen.com>
2178 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2179 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2180 * configure: Regenerate.
2182 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2184 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2185 for real instruction.
2187 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2190 * haifa-sched.c (check_cfg): Handle special case.
2192 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2195 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2196 Add debug_info parameter. Chain the vars to the BLOCK instead
2197 of the BIND_EXPR if debug info are requested for them.
2198 (pop_gimplify_context): Adjust for above change.
2199 (gimple_add_tmp_var): Likewise.
2200 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2202 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2203 (convert_local_reference): Likewise.
2204 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2205 (finalize_nesting_tree_1): Request that debug info be emitted
2206 for debug_var_chain.
2208 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2210 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2211 for PR target/27863.
2213 2006-06-13 Richard Guenther <rguenther@suse.de>
2216 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2218 2006-06-13 Richard Guenther <rguenther@suse.de>
2220 PR tree-optimization/27830
2221 * tree-inline.c (copy_body_r): For copying the operand
2222 of an ADDR_EXPR make sure to fold &* afterwards.
2224 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2226 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2227 lvalues in the fb_none case with side-effects.
2229 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2231 * tree-flow.h: Remove the prototype for
2232 compute_phi_arg_on_exit.
2233 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2234 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2237 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2239 * builtins.c (expand_builtin_return_addr): Only use
2240 frame_pointer_rtx when count == 0 and we are expanding
2241 __builtin_return_address.
2243 2006-06-12 Fred Fish <fnf@specifix.com>
2245 * config/mips/mips.c (mips_file_start): Create special section
2246 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2248 2006-06-11 Eric Christopher <echristo@apple.com>
2251 * stor-layout.c (place_field): Remove check for
2252 remaining_in_alignment when aligning at the end of a run.
2254 2006-06-11 Eric Christopher <echristo@apple.com>
2257 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2260 2006-06-11 Roger Sayle <roger@eyesopen.com>
2263 Revert incorrect fix for PR target/27158
2264 2006-05-08 Roger Sayle <roger@eyesopen.com>
2265 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2266 of a reg_equiv_constant if the result is a legitimate constant.
2268 2006-06-11 Roger Sayle <roger@eyesopen.com>
2271 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2272 extract a CONST_VECTOR element and interpret it as an integer.
2273 (vspltis_constant): Use const_vector_elt_as_int instead of the
2274 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2275 * config/rs6000/predicates.md (easy_vector_const): Consider
2276 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2278 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2281 * stor-layout.c (update_alignment_for_field): Don't add extra
2282 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2285 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2287 * config/mips/t-rtems: Add EL/EB multilib variants.
2289 2006-06-09 Mike Stump <mrs@apple.com>
2291 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2293 2006-06-09 David Daney <ddaney@avtrex.com>
2295 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2297 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2299 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2301 2006-06-09 Richard Guenther <rguenther@suse.de>
2303 PR tree-optimization/26998
2304 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2305 of signed types, only TYPE_MIN_VALUE is special, but for both,
2306 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2307 in this case, as is -fwrapv.
2309 2006-06-08 Mike Stump <mrs@apple.com>
2312 * config/darwin.c (darwin_asm_output_anchor): Disable
2313 -fsection-anchors on darwin for now.
2314 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2315 * rs6000/rs6000.c (optimization_options): Likewise.
2317 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2320 * config/i386/i386.c (classify_argument): Skip fields with invalid
2323 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2325 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2326 (cse_insn): Likewise for the stack_pointer_rtx.
2328 2006-06-08 Roger Sayle <roger@eyesopen.com>
2330 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2331 conditions from floating point comparisons.
2333 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2336 * expmed.c (struct alg_hash_entry): Fix type of field T
2337 to match synth_mult argument.
2338 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2340 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2343 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2346 2006-06-08 Richard Guenther <rguenther@suse.de>
2349 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2350 only, if overflow is defined and not trapping.
2351 (negate_expr): Likewise.
2353 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2355 PR tree-optimization/27872
2356 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2357 flag on the new exit edge of the unrolled loop.
2359 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2361 PR rtl-optimization/26449
2362 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2364 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2367 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2368 referenced_variables with matching DECL_UID's.
2369 (find_referenced_vars): Make sure duplicate list is empty to start.
2370 (referenced_var_p): Remove.
2371 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2372 Check if var is in the list, and add if needed. Update the duplicate
2373 list if a different var is in the list with the same DECL_UID.
2374 (add_referenced_var): Call routine to check and insert.
2375 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2376 * tree-flow.h (referenced_vars_dup_list): External declaration.
2378 2006-06-07 Fred Fish <fnf@specifix.com>
2380 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2383 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2386 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2387 the imaginary and real parts of a clobbered register.
2388 Emit insn to set the imaginary part.
2390 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2392 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2393 in lieu of unwind-dw2-fde.c.
2395 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2397 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2399 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2402 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2403 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2404 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2405 V4SImode temporaries and operations instead.
2407 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2409 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2412 2006-06-06 Mike Stump <mrs@apple.com>
2414 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2415 installing during build.
2417 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2419 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2421 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2422 * config/ia64/ia64.c (params.h): New header.
2423 (ia64_optimization_options): New function to adjust parameters.
2424 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2425 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2426 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2428 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2430 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2432 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2435 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2437 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2438 Victor Kaplansky <victork@il.ibm.com>
2440 PR tree-optimization/26360
2441 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2444 2006-06-04 Roger Sayle <roger@eyesopen.com>
2445 Andrew Pinski <pinskia@physics.uc.edu>
2448 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2449 for LABEL_DECL before calling DECL_WEAK.
2452 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2453 LABEL_DECL and PARM_DECL.
2455 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2459 * c-decl.c (grokdeclarator): Disallow variably modified types at
2460 file scope. Avoid marking shared array type of constant size as
2463 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2466 * c-common.c (fold_offsetof_1): Handle static members.
2468 2006-06-04 Eric Christopher <echristo@apple.com>
2470 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2471 (debug_rli): Output value for remaining_in_alignment.
2472 (update_alignment_for_field): Unconditionalize
2473 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2474 extra alignment code.
2475 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2476 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2477 * tree.h (record_layout_info_s): Remove prev_packed.
2478 * doc/extend.texi (ms_struct): Add documentation of format.
2480 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2482 * tree.h: Declare folding_initializer.
2483 * builtins.c (fold_builtin_constant_p): Give definite answer
2484 if folding inside an initializer.
2485 * fold-const.c: Define folding_initializer.
2486 (START_FOLD_INIT): Save and then set folding_initializer.
2487 (END_FOLD_INIT): Restore folding_initializer.
2489 2006-06-04 Richard Guenther <rguenther@suse.de>
2491 PR tree-optimization/27039
2492 * fold-const.c (fold_comparison): Handle pointer comparison
2493 again for all comparison codes. Compare offsets in signed
2495 (fold_binary): Move code from here.
2497 2006-06-03 Roger Sayle <roger@eyesopen.com>
2500 * config/i386/i386.c (construct_container): Split static issued_error
2501 flag into issued_sse_arg_error, issued_sse_ret_error and
2502 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2503 requires the use of x87 registers and the user explicitly
2504 specified the -mno-80387 command line option.
2506 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2508 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2509 HAVE_DECL_SIGALTSTACK.
2511 (segv_handler): Use MC_FLD.
2512 * configure.ac: Check for a sigaltstack declaration.
2513 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2514 * configure: Regenerate.
2515 * config.in: Regenerate.
2517 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2520 * Makefile.in (stmp-fixinc): Fix typo.
2522 2006-06-02 Roger Sayle <roger@eyesopen.com>
2524 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2525 are type correct. Clean-up.
2526 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2527 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2529 2006-06-01 DJ Delorie <dj@redhat.com>
2531 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2532 shift, as we've disabled the "switch" insn that needs it.
2534 2006-06-01 Per Bothner <bothner@bothner.com>
2536 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2537 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2538 * c-ppoutput.c (cb_define): Don't increment line 0.
2540 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2542 * doc/invoke.texi: Add cpu_type power6.
2543 * config.gcc: Add cpu_type power6.
2544 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2545 to power5+ with Altivec.
2546 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2547 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2549 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2551 * config/avr/avr.h (SET_ASM_OP): Define.
2553 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2555 * config/bfin/bfin.c: Fix comment typos.
2557 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2560 * doc/install.texi: Document --enable-bootstrap and
2561 --disable-bootstrap.
2563 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2565 * doc/install.texi: Document that InfoZIP can replace jar.
2567 2006-05-31 Roger Sayle <roger@eyesopen.com>
2569 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2570 isn't available, directly generate the simpler x87 patterns without
2571 the (use (const_int 0)).
2572 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2573 implementation isn't available.
2574 (*negdf2_1): Likewise.
2575 (*negxf2_1): XF mode negation is always done using the x87.
2576 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2578 2006-05-31 Roger Sayle <roger@eyesopen.com>
2580 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2581 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2583 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2585 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2587 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2588 * config/bfin/bfin.c (basic-block.h): Include.
2589 (struct machine_function): New.
2590 (bfin_init_machine_status): New.
2591 (override_options): Initialize init_machine_status.
2592 (bfin_hardware_loop): New.
2593 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2594 (DEF_VEC_P (loop_info)): New.
2595 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2596 (struct loop_info): New.
2597 (loop_info): New typedef.
2598 (struct loop_work): New.
2599 (loop_work): New typedef.
2600 (DEF_VEC_O (loop_work)): New.
2601 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2602 (bfin_dump_loops): New.
2603 (bfin_bb_in_loop): New.
2604 (bfin_scan_loop): New.
2605 (bfin_optimize_loop): New.
2606 (bfin_reorg_loops): New.
2607 (bfin_reorg): Use bfin_reorg_loops.
2608 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2610 (I_REGNO_P): Simplify.
2611 (DP_REGNO_P, DPREG_P): New macros.
2612 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2613 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2614 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2615 Add LT_REGS, LC_REGS, LB_REGS.
2616 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2618 (REGNO_REG_CLASS): Deal with loop registers.
2619 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2621 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2622 New constants for loop registers.
2623 (UNSPEC_LSETUP_END): New.
2624 (seq_insns): New define_attr. Set it for appropriate insns.
2625 (movsi_insn): Add alternatives for move from/to
2626 loop count registers.
2627 (doloop_end): New define_expand.
2628 (loop_end): New define_insn.
2629 (define_split for bad doloop_end): New.
2630 (lsetup_with_autoinit): New define_insn.
2631 (lsetup_without_autoinit): New define_insn.
2632 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2633 * config/bfin/predicates.md (lc_register_operand): New.
2634 (lt_register_operand): New.
2635 (lb_register_operand): New.
2636 (nondp_register_operand): New.
2637 (nondp_reg_or_memory_operand): New.
2638 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2640 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2642 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2643 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2645 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2647 * Makefile.in (CATALOGS): Add po/ prefix.
2648 * configure: Regenerated.
2650 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2653 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2654 a shift operand before calling shift_op. Avoid redundant call of
2657 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2658 DJ Delorie <dj@redhat.com>
2660 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2661 we're inserting is a singlt-bit constant.
2663 2006-05-30 Roger Sayle <roger@eyesopen.com>
2665 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2666 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2668 2006-05-30 Roger Sayle <roger@eyesopen.com>
2670 PR tree-optimization/23452
2671 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2672 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2673 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2674 complex values and with -ffast-math for FP complex values.
2676 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2678 * c-common.h: Remove the prototype for yyparse.
2679 * rtl.h: Remove the prototype for init_loop.
2681 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2683 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2686 2006-05-30 Roger Sayle <roger@eyesopen.com>
2688 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2690 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2691 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2693 2006-05-30 Dirk Mueller <dmueller@suse.de>
2696 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2697 for CONSTANT_CLASS_P expresisons.
2699 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2702 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2704 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2706 PR tree-optimization/27779
2707 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2708 initial_condition instead of CHREC_LEFT.
2710 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2712 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2713 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2714 Make prototypes ISO C90.
2716 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2717 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2719 * see.c (see_analyze_one_def): Correct check.
2720 (see_get_extension_data): Check if extension is parallel.
2721 (see_get_extension_reg): Likewise.
2723 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2726 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2727 into register for (code == GTU).
2729 2006-05-29 Roger Sayle <roger@eyesopen.com>
2731 PR tree-optimization/24964
2732 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2733 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2734 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2735 abs(x)*abs(x) as x*x for scalar floating point modes.
2737 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2740 * lambda-code.c (perfect_nestify): Don't copy statements
2741 in the inner loop: move them to the inner loop header.
2743 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2746 * c-tree.texi: Document OpenMP directives and clauses.
2748 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2750 * varasm.c (globalize_decl): Fix indentation.
2752 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2755 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2756 pass_fre, pass_store_ccp, pass_copy_prop,
2757 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2758 pass_return_slot, pass_object_size, pass_lim,
2759 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2760 pass_loop_prefetch and pass_stdarg.
2762 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2764 * config/bfin/bfin.opt (mfdpic): New option.
2765 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2766 (EXTRA_MULTILIB_PARTS): Likewise.
2767 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2768 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2770 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2771 (CRT_CALL_STATIC_FUNCTION): New.
2772 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2774 (CRT_CALL_STATIC_FUNCTION): New.
2775 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2777 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2778 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2779 (initialize_trampoline): Changed to handle FD-PIC code generation.
2780 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2781 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2782 (override_options): Disallow -mid-shared-library -mfdpic combination.
2783 Can't do unaligned ops if FD-PIC.
2784 Turn off flag_pic if trying to generate non-id-shared-library
2785 non-fdpic code, since it's not supported.
2786 (bfin_assemble_integer): New function.
2787 (TARGET_ASM_INTEGER): Define.
2788 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2790 * config/bfin/crtn.s: Restore them.
2791 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2793 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2794 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2795 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2796 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2797 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2799 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2800 FDPIC_REGS and FDPIC_FPTR_REGS.
2801 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2802 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2803 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2804 (load_funcdescsi): New pattern.
2805 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2806 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2807 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2809 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2811 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2814 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2816 * tree-flow.h: Remove the prototype for add_type_alias.
2817 * tree-ssa-alias.c (add_type_alias): Remove.
2819 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2821 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2822 config/fr30/fr30.md, config/i386/i386-interix.h,
2823 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2824 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2825 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2826 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2827 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2828 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2829 Follow spelling conventions.
2830 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2831 Follow spelling conventions.
2833 2006-05-27 Richard Guenther <rguenther@suse.de>
2836 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2837 to produce a constant of value 1 of generic type.
2839 2006-05-27 Dirk Mueller <dmueller@suse.de>
2841 * cgraphunit.c (decide_is_function_needed): Fix wrong
2844 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2846 PR rtl-optimization/27661
2847 * reload.c (find_reloads): When reloading a VOIDmode constant
2848 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2849 use Pmode as mode of the reload register.
2851 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2853 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2854 is enabled at -O and above.
2856 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2859 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2862 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2865 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2866 for anonymous variables explicitly declared by front ends.
2868 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2870 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2871 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2872 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2873 ref-all pointers, run a finalization pass for them.
2874 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2875 (finalize_ref_all_pointers): New function.
2876 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2877 regular pointer type to a ref-all pointer type.
2878 (get_tmt_for): Return the special memory tag for ref-all pointers.
2880 2006-05-25 Richard Guenther <rguenther@suse.de>
2883 * fold-const.c (fold_binary): Do not look at the stripped
2884 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2886 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2888 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2889 for LT and GT if the computed range is effectively empty.
2891 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2894 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2895 mips_quad_format formats instead of ieee_single_format,
2896 ieee_double_format and ieee_quad_format formats, respectively.
2898 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2900 PR tree-optimization/27639
2901 PR tree-optimization/26719
2902 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2903 call to scev_probably_wraps_p.
2904 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2905 used_in_pointer_arithmetic_p, convert_step): Removed.
2906 (nowrap_type_p): New function.
2907 (scev_probably_wraps_p): Rewritten.
2908 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2909 chrec_convert if chrec_convert_aggressive might have been used.
2910 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2911 scev_direction): New functions.
2912 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2913 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2914 instead of convert_step.
2915 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2916 (convert_step): Declaration removed.
2917 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2919 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2921 * df-core.c: Added to header comments.
2922 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2923 df_ur_bb_info, df_urec_bb_info): Added comments.
2924 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2925 urec, ri problems): Fixed header comments.
2926 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2927 code from df_rd_transfer_function.
2929 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2931 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2932 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2933 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2935 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2937 * expr.c (undefined_operand_subword_p): New.
2938 (emit_move_multi_word): Do not generate move from undefined bits
2939 of a paradoxical subreg.
2941 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2943 PR rtl-optimization/27736
2944 * combine.c (replaced_rhs_value): New variable.
2945 (combine_instructions): Set it.
2946 (distribute_notes): When distributing a note in replaced_rhs_insn,
2947 check whether the value was used in replaced_rhs_value.
2949 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2952 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2953 add_referenced_var instead of add_referenced_tmp_var.
2954 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2955 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2957 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2958 tree_optimize_tail_calls_1): Use add_referenced_var.
2959 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2960 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2961 Use add_referenced_var.
2962 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2963 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2964 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2965 Use add_referenced_var.
2966 * tree-dfa.c (struct walk_state): Remove.
2967 (find_referenced_vars): Remove walk state and vars_found hash table.
2968 (make_rename_temp): Use add_referenced_var.
2969 (find_vars_r): Pass less parameters to add_referenced_var.
2970 (referenced_var_p): New. Is var in referenced_var hash table.
2971 (referenced_var_insert): Assert var isn't already in hash table.
2972 (add_referenced_var): Don't need walk_state parameter. Add var if it
2973 isn't already in the hash table.
2974 (add_referenced_tmp_var): Remove.
2975 (find_new_referenced_vars_1): Use add_referenced_var.
2976 * tree-ssa-pre.c (create_expression_by_pieces,
2977 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2978 Use add_referenced_var.
2979 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2980 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2981 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2983 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2984 vect_create_data_ref_ptr, vect_create_destination_var,
2985 vect_init_vector, vect_build_loop_niters,
2986 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2987 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2988 Use add_referenced_var.
2989 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2990 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2991 (add_referenced_var): Add prototype.
2992 * tree-ssa-structalias.c (get_constraint_for,
2993 intra_create_variable_infos): Use add_referenced_var.
2995 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2997 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2998 big-endian paradoxical subregs.
2999 * var-tracking.c (struct micro_operation_def): Document that,
3000 for modify micro operations, insn is the subsequent instruction.
3001 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3002 (var_reg_set, var_mem_set): ... new functions.
3003 (add_stores): Record subsequent insn.
3004 (compute_bb_dataflow): Use new functions for MO_USE.
3005 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3006 notes after the insn, and modify notes before the insn known
3007 to be the subsequent one.
3008 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3010 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3013 * config/i386/i386.c (ix86_expand_builtin): Use
3014 gen_sse3_monitor64 for TARGET_64BIT.
3016 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3018 PR rtl-optimization/26375
3019 PR rtl-optimization/26855
3020 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3022 (df_ru_bb_local_compute): Reversed statements and removed bogus
3023 comment explaining why they should be in wrong order.
3024 (df_ru_dump, df_rd_dump): Enhanced debug info.
3025 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3027 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3028 reaching uses and fixed space problem.
3030 2006-05-23 Jan Hubicka <jh@suse.cz>
3032 * cgraphunit.c (decide_is_function_needed): Also nested functions
3033 and functions declared inline can be optimized out at -O0.
3035 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3037 * doc/install.texi (Configuration): Remove reference to CrossGCC
3041 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3044 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3045 ix86_compare_emitted is non-NULL.
3047 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3050 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3053 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3055 PR rtl-optimization/25514
3056 * combine.c (replaced_rhs_insn): New variable.
3057 (combine_instructions): Set replaced_rhs_insn when trying to replace
3058 a SET_SRC with a REG_EQUAL note.
3059 (distribute_notes): Use replaced_rhs_insn when determining the live
3060 range of a REG_DEAD register.
3062 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3063 Anatoly Sokolov <aesok@post.ru>
3065 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3066 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3067 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3068 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3069 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3070 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3071 at90usb647, at90usb1286 and at90usb1287 devices.
3072 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3073 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3075 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3077 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3079 2006-05-22 Richard Guenther <rguenther@suse.de>
3082 2006-01-31 Richard Guenther <rguenther@suse.de>
3083 Paolo Bonzini <bonzini@gnu.org>
3085 * doc/install.texi (--disable-libgcc-math): Document.
3087 2006-05-22 Richard Guenther <rguenther@suse.de>
3090 2006-01-31 Richard Guenther <rguenther@suse.de>
3092 * doc/invoke.texi (-msselibm): Document.
3093 * target.h (expand_library_builtin): New target hook.
3094 * builtins.c (expand_builtin): Use expand_library_builtin.
3095 (default_expand_library_builtin): New function.
3096 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3097 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3098 (link_gcc_math_spec): Declare.
3099 (static_specs): Add link_gcc_math_spec.
3100 * expr.h (default_expand_library_builtin): Declare.
3101 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3102 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3103 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3104 * config/i386/i386.opt (msselibm): New target option.
3105 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3106 (ix86_init_sse_abi_builtins): New function.
3107 (ix86_expand_library_builtin): Likewise.
3108 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3109 (override_options): Handle error conditions wrt -msselibm.
3110 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3111 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3112 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3115 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3118 * c-common.c (self_promoting_args_p): Skip erroneous args.
3121 * c-decl.c (finish_struct): Skip erroneous fields.
3123 2006-05-22 Nick Clifton <nickc@redhat.com>
3125 * config/cris/cris.opt (march): Remove VarExists attribute.
3126 (max-stackframe=): Likewise.
3128 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3130 * doc/rtl.texi: Fix a typo.
3131 * see.c: Fix comment typos.
3133 * tree-ssa-structalias.h (alias_info): Remove num_references.
3135 2006-05-21 Mike Stump <mrs@apple.com>
3137 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3139 (darwin_pragma_options): Use BAD instead.
3140 (darwin_pragma_unused): Likewise.
3141 (darwin_pragma_ms_struct): Likewise.
3143 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3145 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3147 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3149 PR rtl-optimization/27671
3150 * simplify-rtx.c (simplify_relational_operation_1): Fix
3151 simplifications of (eq/ne (xor x y) y) and
3152 (eq/ne (xor x y) x).
3154 PR tree-optimization/26622.
3155 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3158 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3160 * tree-cfg.c: Prune whitespace.
3161 (debug_tree_cfg): Point to correct header containing the
3164 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3167 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3169 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3172 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3173 or sorry count is non zero.
3175 2006-05-20 Andreas Schwab <schwab@suse.de>
3177 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3179 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3180 Kenneth Zadeck <zadeck@naturalbridge.com>
3182 PR rtl-optimization/26855
3184 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3186 (df_scan_alloc): Added code to properly handle multiword hard
3187 registers and add all_blocks parameter.
3188 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3189 code to properly handle multiword hard registers.
3190 (df_rescan_blocks): Added code to remove deleted blocks from
3192 (df_ref_create_structure, df_ref_record): Added code to properly
3194 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3195 and set DF_REF_PARTIAL.
3196 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3197 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3198 (df_scan_add_problem): Added flags parameter.
3199 (df_ref_create_structure): Changed switching structure.
3200 (df_bb_refs_record): Fixed case where duplicate artificial refs
3201 were created. Changed location of flags.
3202 (df_record_entry_block_defs): Added code to make stack pointer
3203 live in entry block. Refined cases where frame pointer is needed.
3204 Changed location of flags.
3205 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3206 (df_set_state): Removed function.
3207 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3208 df_insn_create_insn_record, df_insn_refs_delete,
3209 df_ref_create_structure): Formatting changes.
3210 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3211 df_delete_basic_block): New function.
3212 (df_init): Changed location of flags.
3213 (df_add_problem): Added flags parameter and the way flags are
3215 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3216 debug_df_chain): Improved debugging output.
3217 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3218 (df_refs_chain_dump): Removed df parameter.
3219 (df_iterative_dataflow): Added consistency check.
3220 (df_prune_to_subcfg): Made public.
3221 (df_analyze_problem): Added blocks_to_init parameter and made
3223 (df_ref_record, df_bb_refs_record, df_mark_reg,
3224 df_record_exit_block_uses): Whitespace changes.
3225 (df_dump): Whitespace changes.
3226 * df.h: Some reordering to remove forward references.
3227 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3228 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3229 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3230 (dataflow.flags): New field.
3231 (df.flag): Deleted field.
3232 (df_alloc_function): Added additional bitmap parameter.
3233 (df_dependent_problem_function): New type.
3234 (df_problem.changeable_flags): New field.
3235 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3236 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3237 (df_mw_hardreg): New struct.
3238 (DF_INSN_UID_MWS): New macro.
3239 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3241 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3242 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3243 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3244 (df_set_state): Removed function.
3245 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3246 * df-problems.c (df_chain_dump): Removed df parameter.
3247 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3248 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3250 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3251 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3252 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3253 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3254 DF_REF_MUST_CLOBBER cases.
3255 (df_ru_bb_local_compute_process_def,
3256 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3257 df_lr_bb_local_compute, df_ur_bb_local_compute,
3258 df_chain_create_bb): Made subreg aware.
3259 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3260 df_lr_bb_local_compute, df_lr_bb_local_compute,
3261 df_chain_create_bb): Cleanup to use proper macros.
3262 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3263 code to fixup bitvectors.
3264 (df_ri_alloc): Cleared lifetime.
3265 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3266 df_create_unused_note): New function.
3267 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3268 REG_DEAD and REG_UNUSED notes as well as register information.
3269 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3270 df_chains_dump): Fixed crash if problem was never run.
3271 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3272 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3273 df_ri_add_problem): Processes flags in uniform manner.
3274 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3275 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3276 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3277 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3278 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3279 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3280 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3281 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3282 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3283 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3284 * see.c (see_initialize_data): Ditto.
3285 * final.c (rest_of_clean_state) Added regstack_completed.
3286 * rtl.h (regstack_completed): Ditto.
3287 * reg-stack.c (regstack_completed): Ditto.
3289 2006-05-19 Mike Stump <mrs@apple.com>
3291 * c-tree.h (default_conversion): Remove.
3292 * c-common.h (default_conversion): Add.
3294 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3296 * tree-vrp.c (valid_value_p): New function.
3297 (adjust_range_with_scev): Fail if the value of bound is not
3300 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3302 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3303 (mips_fallback_frame_state): Use syscall numbers to determine
3304 the appropriate li instruction for the current ABI. Only use
3305 __NR_sigreturn for o32.
3307 2006-05-19 Nicolas Setton <setton@adacore.com>
3309 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3310 * langhooks.c (lhd_dwarf_name): New function.
3311 * langhooks-def.h (lhd_dwarf_name): Declare.
3312 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3313 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3314 * ada/misc.c (gnat_dwarf_name): New function.
3315 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3317 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3319 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3321 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3322 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3323 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3324 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3325 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3326 determine the size of Wtype, etc.
3327 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3328 (swfloatfuncs): New variable.
3329 (dwfloatfuncs): Likewise.
3330 (lib2funcs): Remove floating-point conversion functions from
3331 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3332 the set of conversion routines needed. Allow entries to specify
3333 an object name, filename and word size. Update users accordingly.
3334 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3335 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3339 2006-02-08 Roger Sayle <roger@eyesopen.com>
3342 * config/fixtfdi.c: New libgcc source file.
3343 * config/fixunstfdi.c: New source file.
3344 * config/floatditf.c: New source file.
3345 * config/floatunditf.c: New souce file.
3346 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3347 files above instead of config/mips/_tilib.c.
3348 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3350 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3352 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3353 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3355 2006-05-18 Mike Stump <mrs@apple.com>
3357 Fix up vla, vm and [*] sematics.
3363 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3364 (c_vla_unspec_p): Add.
3365 (c_vla_type_p): Add.
3366 * c-decl.c (struct c_scope): Add had_vla_unspec.
3367 (build_array_declarator): Add support for [*].
3368 (grokdeclarator): Likewise.
3369 (grokparms): Likewise.
3370 (get_parm_info): Likewise.
3371 * c-objc-common.c (c_vla_unspec_p): Likewise.
3372 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3373 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3374 typeof when argument is a variably modified type not inside sizeof or alignof.
3375 (c_parser_direct_declarator_inner): Propagate errors.
3376 (c_parser_sizeof_expression): Add support for [*].
3377 (c_parser_parms_declarator): Initialize had_vla_unspec.
3378 (c_parser_parms_list_declarator): Likewise.
3379 * c-typeck.c (c_vla_type_p): Add.
3380 (composite_type): Add support for vla compositing.
3381 (comptypes_internal): Add support for vla compatibility.
3382 (c_expr_sizeof_expr): Evaluate vla arguments.
3383 * tree.c (variably_modified_type_p): Update comment for [*].
3385 2006-05-18 Michael Matz <matz@suse.de>
3388 * config.host: Make assignments to host_xmake_file cumulative.
3389 * config.host (*-darwin*): Test $host, not $target.
3391 2006-05-12 Stuart Hastings <stuart@apple.com>
3393 * config/i386/i386.opt (-mstackrealign): New flag.
3394 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3395 (ix86_handle_cconv_attribute): Emit error when
3396 force_align_arg_pointer attribute collides with too many regparms.
3397 (ix86_function_regparm): Limit regparms when used with
3398 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3399 Support stack-realigning prologue in non-main functions. Emit
3400 warning for nested functions under -mstackrealign, emit error for
3401 nested functions with force_align_arg_pointer attribute.
3402 * doc/extend.texi (force_align_arg_pointer): Document it.
3403 * doc/invoke.texi (-mstackrealign): Document it.
3405 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3407 PR rtl-optimization/27477
3408 * combine.c (try_combine): Don't split a parallel consisting
3409 of two sets into two individual sets if both sets reference
3412 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3414 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3415 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3417 * doc/options.texi (VarExists): Updated.
3419 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3421 * unwind-dw2.c: Add declarations for uw_update_context and
3423 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3424 detected, advance frame state and context once to skip over stub.
3426 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3430 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3431 Call rewrite_into_loop_closed_ssa only when something changed.
3432 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3433 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3434 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3435 Test for perfect_nest_p here. Fix formating.
3436 (replace_uses_equiv_to_x_with_y): Fix formating.
3437 (stmt_uses_op): Removed.
3438 (can_convert_to_perfect_nest): Removed loopivs parameter.
3439 Complete the test by checking the scalar dependences.
3440 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3443 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3446 From Dan Kegel <dank@kegel.com>:
3447 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3449 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3451 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3452 if the element type is variably modified without recursing.
3454 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3457 * tree-loop-linear.c (try_interchange_loops): Test for
3458 no data dependences.
3460 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3462 PR tree-optimization/27548
3463 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3464 range of ssa names that appear on abnormal edges.
3465 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3466 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3468 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3471 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3473 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3476 * tree.h (OMP_PARALLEL_COMBINED): Define.
3477 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3478 (new_omp_context): Add is_combined_parallel argument.
3479 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3480 new_omp_context caller.
3481 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3482 Adjust gimplify_scan_omp_clauses callers.
3483 (omp_is_private): Issue errors if iteration variable is firstprivate
3484 or reduction in the current context.
3485 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3486 on combined parallel workshare constructs.
3488 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3490 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3491 (gcc-options.o): New rule.
3493 * optc-gen.awk: Protect variables for gcc-options.o with
3494 #ifdef GCC_DRIVER/#endif.
3496 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3498 Fix PR tree-optimization/27373
3499 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3500 (forward_propagate_addr_expr): Update call.
3502 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3504 * doc/options.texi: Move the Negative option.
3506 2006-05-16 Richard Guenther <rguenther@suse.de>
3508 PR tree-optimization/22303
3509 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3511 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3512 ccp_fold did not simplify the statement.
3514 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3517 * Makefile.in (GCC_OBJS): New.
3518 (OBJS-common): Add opts-common.o.
3519 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3520 (cpp$(exeext)): Likewise.
3521 (gcc.o): Also depend on opts.h.
3522 (opts-common.o): New.
3524 * common.opt (gcoff): Add Negative(gdwarf-2).
3525 (gdwarf-2): Add Negative(gstabs).
3526 (gstabs): Add Negative(gstabs+).
3527 (gstabs+): Add Negative(gvms).
3528 (gvms): Add Negative(gxcoff).
3529 (gxcoff): Add Negative(gxcoff+).
3530 (gxcoff+): Add Negative(gcoff).
3531 * config/i386/i386.opt (m32): Add Negative(m64).
3532 (m64): Add Negative(m32).
3534 * doc/options.texi: Document the Negative option.
3536 * gcc.c: Include "opts.h".
3537 (main): Call prune_options after expandargv.
3539 * optc-gen.awk: Generate common declarations for all flag
3540 variables in options.c. Output the neg_index field.
3542 * opts.c (find_opt): Moved to ...
3543 * opts-common.c: Here. New file.
3545 * opts.h (cl_option): Add a neg_index field.
3547 (prune_options): Likewise.
3549 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3552 * omp-low.c (expand_omp_parallel): Don't assert
3553 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3554 instead search for it.
3557 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3560 2006-05-16 Andreas Schwab <schwab@suse.de>
3562 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3565 2006-05-15 Roger Sayle <roger@eyesopen.com>
3568 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3569 integer constants other than zero are only legitimate on TARGET_64BIT.
3570 <CONST_VECTOR> Only zero vectors are legitimate.
3571 (ix86_cannot_force_const_mem): Integral and vector constants can
3572 always be put in the constant pool.
3574 2006-05-16 DJ Delorie <dj@redhat.com>
3576 * crtstuff.c (__dso_handle): Set section from
3577 TARGET_LBIGCC_SDATA_SECTION if defined.
3578 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3579 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3581 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3584 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3587 2006-05-16 Ben Elliston <bje@au.ibm.com>
3589 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3591 2006-05-15 Per Bothner <per@bothner.com>
3593 * tree.c: (last_annotated_node): Use source_locus typedef.
3594 This permits bootstrapping with --enable-mapped-location.
3596 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3598 PR tree-optimization/26830
3599 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3600 (info_for_ssa_name, current_info_for_ssa_name_age,
3601 blocks_to_update): New variables.
3602 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3603 (clear_ssa_name_info, initialize_flags_in_bb,
3604 mark_block_for_update): New functions.
3605 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3606 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3607 prepare_def_site_for): Use mark_block_for_update.
3608 (mark_def_interesting): Assert that the processed block is marked in
3609 blocks_to_update. Do not take blocks argument.
3610 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3612 (rewrite_update_init_block, rewrite_update_stmt): Only process
3613 blocks with statements to rewrite.
3614 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3615 (update_ssa): Initialize and free blocks_to_update. Do not
3616 clear flags on statements. Do not use blocks bitmap.
3617 * tree.h (SSA_NAME_AUX): Removed.
3618 (struct tree_ssa_name): Removed aux field.
3619 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3621 2006-05-15 Richard Guenther <rguenther@suse.de>
3623 PR tree-optimization/27603
3624 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3625 Do computations in original type.
3627 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3629 * see.c: Code style changes such as redundant paranthesis,
3630 redundant intialization of local variables etc.
3631 (see_main): Declared now as static.
3632 * doc/invoke.texi: Update that -fsee is not enabled by
3635 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3637 * omp-low.c (check_omp_nesting_restrictions): New function.
3638 (scan_omp_1): Call it.
3641 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3642 construct, return *VAR.
3644 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3646 PR rtl-optimization/27406
3647 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3650 2006-05-14 Roger Sayle <roger@eyesopen.com>
3652 PR rtl-optimization/27538
3653 * combine.c (expand_compound_operation): Call gen_lowpart
3654 before calling simplify_shift_const.
3656 2006-05-14 Roger Sayle <roger@eyesopen.com>
3658 PR rtl-optimization/22563
3659 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3660 a fixed width bitfield, always force the intermediates into psuedos.
3662 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3665 * mkconfig.sh: Use operator = instead of == for test.
3667 2006-05-13 Nick Clifton <nickc@redhat.com>
3669 * dwarf2out.c (dbx_reg_number): Check return value from
3670 LEAF_REG_REMAP and only use it if it is valid.
3671 (multiple_reg_loc_descriptor): Likewise.
3673 2006-05-13 Richard Guenther <rguenther@suse.de>
3675 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3678 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3680 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3681 information attached to non-INSNs such as NOTEs.
3682 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3684 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3686 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3688 * config/s390/s390.md: Adjust comment describing On constraint.
3690 2006-05-11 Jan Hubicka <jh@suse.cz>
3692 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3693 to be output at -O0.
3695 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3698 * fold-const.c (size_binop): Move sanity check for arguments to
3699 the beginning of the function.
3702 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3705 2006-05-11 Richard Guenther <rguenther@suse.de>
3708 * fold-const.c (fold_unary): Handle intermediate conversion
3709 to a pointer type like intermediate conversion to an integer
3710 type in folding of (T1)(T2)var to var.
3711 Match the code to the comment in the final conversion for
3712 (T1)(T2)var to (T1)var regarding to type precision. Rather
3713 than disallow T1 being of pointer type, assert that both T1
3714 and var are of pointer type or not. Make sure not to fall
3715 over the frontends lazyness wrt array to pointer decay though.
3717 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3719 * arm.c (arm_struct_value_rtx): Delete.
3720 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3721 (arm_init_cumulative_args): Always initialize nregs to zero.
3723 2006-05-10 Richard Guenther <rguenther@suse.de>
3725 PR tree-optimization/27532
3726 * tree-object-size.c (plus_expr_object_size): Fix typo.
3728 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3731 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3732 ashrdi_const, ashrdi3): Use a scratch register.
3734 2006-05-10 Richard Guenther <rguenther@suse.de>
3736 PR tree-optimization/27302
3737 * fold-const.c (operand_equal_p): For two comparisons,
3738 try comparison of one comparison code swapped if that yields
3741 2006-05-10 Ben Elliston <bje@au.ibm.com>
3743 * tree-pretty-print.c (pretty_print_string): No need to handle
3744 '\0' as a special character.
3746 * tree.h: Include "hashtab.h".
3747 (iterative_hash_expr): Use hashval_t in its prototype.
3748 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3750 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3753 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3754 (hppa*64*-*-hpux11*): Ditto.
3755 (hppa[12]*-*-hpux11*): Ditto.
3757 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3760 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3762 2006-05-09 Michael Matz <matz@suse.de>
3764 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3765 host_extra_gcc_objs and host_xmake_file.
3766 (<*-*-linux*>): Don't overwrite host_xmake_file.
3767 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3768 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3769 (host_detect_local_cpu): Declare.
3770 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3771 * config/i386/i386.c (override_options): Handle -mtune=native
3773 * config/i386/x-i386: New file.
3774 * config/i386/driver-i386.c: New file.
3775 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3778 2006-05-09 Dirk Mueller <dmueller@suse.de>
3779 Richard Guenther <rguenther@suse.de>
3782 * fold-const.c (fold_read_from_constant_string): Relax check
3783 for matching types to matching modes.
3785 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3787 PR rtl-optimization/27335
3788 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3791 2006-05-08 Chao-ying Fu <fu@mips.com>
3792 Richard Sandiford <richard@codesourcery.com>
3794 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3795 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3796 * config/mips/mips.md (UNSPEC_SCC): New constant.
3797 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3798 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3799 (mips_emit_compare): Use it.
3800 (mips_expand_vcondv2sf): New function.
3802 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3804 Fix PR tree-optimization/27093
3805 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3806 renaming when they become not-used_alone.
3808 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3810 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3811 relocation and relocation stubs.
3813 2006-05-08 Eric Christopher <echristo@apple.com>
3815 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3818 2006-05-08 Jan Hubicka <jh@suse.cz>
3821 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3822 unused static functions are needed.
3824 2006-05-08 Roger Sayle <roger@eyesopen.com>
3827 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3828 of a reg_equiv_constant if the result is a legitimate constant.
3830 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3833 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3834 standard 80387 constants, raise the cost to prevent
3835 compress_float_constant() to generate load from memory.
3837 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3839 * config/arm/constraints.md (c): Fix a typo.
3841 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3844 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3847 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3849 (_mm_mwait): Likewise.
3851 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3853 (sse3_monitor): Make it 32bit only.
3854 (sse3_monitor64): New. 64bit monitor.
3856 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3859 * config/i386/i386.c (classify_argument): Skip fields with invalid
3862 2006-05-07 Richard Guenther <rguenther@suse.de>
3864 PR tree-optimization/27409
3865 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3866 Do not try to find zero-sized subvars.
3868 2006-05-07 Richard Guenther <rguenther@suse.de>
3870 PR tree-optimization/27136
3871 * tree-ssa-loop-niter.c (get_val_for): Correct function
3872 comment, assert requirements.
3873 (loop_niter_by_eval): Stop processing if the iterated
3874 value did not simplify.
3876 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3878 * opts.c (flag_see): remove its setting at -O3.
3880 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3882 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3883 * arm/constraints.md: New file.
3884 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3885 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3886 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3887 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3888 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3889 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3890 * arm.md: Include constraints.md.
3891 (thumb_movsi_insn): Use satisfies_constraint_J.
3892 (movhi, movqi): Use satisfies_constraint_I.
3894 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3896 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3897 for atmeg a645 device.
3899 2006-05-06 Richard Guenther <rguenther@suse.de>
3901 PR tree-optimization/27151
3902 * tree-vect-transform.c (vectorizable_condition): Punt on
3903 values that have a different type than the condition.
3905 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3908 * c-parser.c (c_parser_cast_expression): Only insert casts into
3909 hash table if pointer.
3910 * function.c (used_types_insert_helper): Rename from
3912 (used_types_insert): Call used_types_insert_helper.
3913 * function.h (used_types_insert): Accept only one argument.
3915 2006-05-05 David Edelsohn <edesohn@gnu.org>
3917 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3918 scratch with output modifier.
3920 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3923 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3924 with output modifier.
3926 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3929 * config/mips/mips.c (mips_symbolic_address_p): Return true
3930 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3931 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3933 2006-05-04 Richard Guenther <rguenther@suse.de>
3935 PR tree-optimization/14287
3936 PR tree-optimization/14844
3937 PR tree-optimization/19792
3938 PR tree-optimization/21608
3939 PR tree-optimization/27090
3940 * tree-ssa-pre.c (try_combine_conversion): New function.
3941 (compute_avail): After constructing the value-handle
3942 expression, use try_combine_conversion to combine NOP_EXPRs
3943 with previous value-handle expressions and use the result if it
3946 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3948 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3950 2006-05-04 Jan Hubicka <jh@suse.cz>
3953 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3955 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3957 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3958 that this only matches CONST_INTs. All users changed to VOIDmode
3961 * config/bfin/bfin.c: Include "optabs.h".
3962 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3964 (enum bfin_builtins): Add a number of fractional and vector builtins.
3965 (bfin_init_builtins): Likewise.
3966 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3967 (safe_vector_operand, bfin_expand_binop_builtin,
3968 bfin_expand_unop_builtin): New functions.
3969 (bfin_expand_builtin): Handle the new builtins.
3970 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3973 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3976 * Makefile.in (OBJS-common): Add see.o.
3977 (see.o): Add dependencies.
3978 * common.opt (fsee): New flag for the see optimization was added.
3979 * opts.c (flag_see): Initialized.
3980 * passes.c (init_optimization_passes, pass_see): New pass.
3981 * rtl.h (see_main): Declaration as extern.
3982 * timevar.def (TV_SEE): New.
3983 * tree-pass.h (pass_see): Declaration as extern.
3984 * invoke.texi (-fsee): Document.
3985 * recog.c (validate_simplify_insn): New function.
3986 * recog.h (validate_simplify_insn): Declaration as extern.
3987 * df-problems.c (df_chain_dump): Check for NULL.
3989 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3990 Daniel Berlin <dberlin@dberlin.org>
3992 * cfgrtl.c (insert_insn_bb_end_new): New function.
3993 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3995 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3997 * df.h (struct web_entry): Moved from web.c.
3998 (union_defs): Declaration as extern.
3999 (unionfind_root): Likewise.
4000 (unionfind_union): Likewise.
4001 * web.c (struct web_entry): Moved to df.h.
4002 (unionfind_root): Remove static declaration.
4003 (unionfind_union): Likewise.
4004 (union_defs): Likewise and generalize to use callback function.
4005 (web_main): Update arguments for union_defs function call.
4007 2006-05-04 Richard Guenther <rguenther@suse.de>
4009 PR tree-optimization/26447
4010 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4011 produce SSA_NAME copies before the store stmt to avoid
4012 breaking exception handling.
4014 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4017 * gimplify.c (omp_is_private): If var is shared in some outer context,
4018 return false instead of true. Stop searching on parallel context
4021 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4024 * coverage.c: Use get_gcov_unsigned_t() instead of
4025 unsigned_type_node all over.
4027 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4029 PR tree-optimization/27381
4030 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4031 maintain the same immediate_use links.
4032 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4033 node rather than segfaulting.
4035 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4038 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4039 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4040 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4042 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4044 Fix PR tree-optimization/26626
4045 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4047 * tree-ssa-operands.c (access_can_touch_variable): Allow
4048 typecasting through union pointers.
4050 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4053 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4054 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4055 to find if var will be a global variable even in the nested context.
4056 (omp_copy_decl): Only check for global variable at the end, it might
4057 be overridden in outer contexts.
4058 (scan_sharing_clauses): For global variables don't create a field.
4059 (lower_rec_input_clauses): Do nothing for global shared variables.
4060 Emit a barrier at the end of ILIST if there were any decls in both
4061 firstprivate and lastprivate clauses.
4062 (lower_send_clauses): Do nothing for global variables except for
4065 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4067 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4068 of the correct signedness is returned.
4070 2006-05-02 Jeff Law <law@redhat.com>
4072 PR tree-optimization/27364
4073 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4074 multiply expressions.
4076 2006-05-02 Tom Tromey <tromey@redhat.com>
4078 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4080 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4083 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4084 -mthumb -fPIC are used.
4086 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4087 Joshua Kinard <kumba@gentoo.org>
4090 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4091 with 64-bit pointers.
4093 2006-05-02 Paul Brook <paul@codesourcery.com>
4095 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4097 (create_fix_barrier): Check that a suitable barrier location is
4099 (arm_reorg): Include ftmp->address in allowable range of addresses.
4101 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4104 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4107 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4110 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4111 around RESULT_DECL for result passed by reference.
4112 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4113 * omp-low.c (use_pointer_for_field): Don't look at
4114 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4115 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4116 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4117 time or var for passing by reference for
4118 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4119 TREE_ADDRESSABLE variables when passing by reference.
4121 * omp-low.c (dump_omp_region): Fix output formatting.
4124 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4125 (expand_omp_parallel): Likewise.
4126 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4129 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4130 on statement list containing also constructors and destructors.
4131 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4134 * except.c (duplicate_eh_regions): Fix clearing of
4135 cfun->eh->region_array entries.
4137 2006-05-01 DJ Delorie <dj@redhat.com>
4139 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4141 (gcc_cv_objdump): Likewise.
4142 * configure: Regenerated.
4144 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4147 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4148 templates for case 3 and 4.
4150 2006-05-01 DJ Delorie <dj@redhat.com>
4152 * vec.c: Include bconfig.h when appropriate.
4153 * Makefile.in (build/vec.o): Adjust dependencies.
4154 * mkconfig.sh: Make sure config.h isn't used for build machine
4157 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4159 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4161 (mark_phi_for_rewrite): New function.
4162 (insert_phi_nodes_for, mark_use_interesting): Call
4163 mark_phi_for_rewrite.
4164 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4165 (update_ssa): Initialize and free phis_to_rewrite.
4167 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4169 PR rtl-optimization/27291
4170 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4171 folded to a constant.
4173 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4175 PR tree-optimization/27283
4176 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4177 not whole # of iteration descriptions.
4178 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4179 uses abnormal ssa name.
4180 (niter_for_single_dom_exit): Ditto.
4181 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4182 return just the number of iterations.
4184 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4186 PR tree-optimization/27144
4187 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4188 (record_estimate): Only record constant upper bound.
4189 (infer_loop_bounds_from_undefined): Call
4190 compute_estimated_nb_iterations just once.
4191 (proved_non_wrapping_p): Renamed to ...
4192 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4193 (convert_step_widening, scev_probably_wraps_p): Call
4194 n_of_executions_at_most instead of proved_non_wrapping_p.
4195 (substitute_in_loop_info): Do not replace values in bounds.
4196 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4199 2006-05-01 Richard Henderson <rth@redhat.com>
4202 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4203 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4206 2006-05-01 Roger Sayle <roger@eyesopen.com>
4208 * c-typeck.c (parser_build_binary_op): Don't call the function
4209 unsigned_conversion_warning to spot operand/result type overflow.
4210 (build_binary_op): Instead, call convert_and_check instead of
4211 convert to report the problem when the operands are promoted.
4212 * c-common.c (unsigned_conversion_warning): Make static.
4213 * c-common.h (unsigned_conversion_warning): Delete prototype.
4215 2006-05-01 Richard Guenther <rguenther@suse.de>
4217 PR tree-optimization/26726
4218 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4220 (find_interesting_uses_address): ... we work around here
4221 by folding INDIRECT_REFs in the substituted base.
4223 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4225 * omp-low.c (dump_omp_region): Add newlines.
4227 2006-04-30 Roger Sayle <roger@eyesopen.com>
4229 * common.opt (Woverflow): New command line option.
4230 * c-common.c (constant_expression_warning): Check warn_overflow.
4231 (overflow_waring): Pass OPT_Woverflow to warning.
4232 (unsigned_conversion_warning): Likewise.
4233 (convert_and_check): Likewise.
4234 * doc/invoke.texi: Document new command line option.
4236 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4238 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4239 TARGET_NO_FP_IN_TOC for section anchors.
4240 (optimization_options): Enable section anchors for all
4241 non-"Objective" languages.
4243 2006-04-28 Eric Christopher <echristo@apple.com>
4245 * config/darwin-c.c (darwin_ms_struct): Move this
4246 (darwin_set_default_type_attributes): and this...
4247 * config/darwin.c: ... here.
4248 * config/darwin.h (darwin_ms_struct): Declare.
4250 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4252 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4254 2006-04-28 Roger Sayle <roger@eyesopen.com>
4257 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4258 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4259 an unsigned HOST_WIDE_INT.
4260 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4262 (really_start_incremental_init): No need to call convert because
4263 bitsize_zero_node is already of type bitsizetype.
4264 (push_init_level): Extract the value of constructor_index as an
4265 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4266 (process_init_element): Likewise.
4268 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4270 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4271 value before passing to make_relative_prefix.
4273 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4276 * builtins.c (expand_builtin_memset): Expand val in original mode.
4278 2006-04-27 Eric Christopher <echristo@apple.com>
4280 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4281 with #ifndef/#endif.
4282 * config/darwin-c.c (darwin_ms_struct): New.
4283 (darwin_pragma_ms_struct): Ditto.
4284 (darwin_set_default_type_attributes): Ditto.
4285 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4286 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4287 Register ms_struct pragma.
4288 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4289 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4290 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4291 darwin_set_default_type_attributes if TARGET_MACHO.
4293 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4295 PR tree-optimization/26854
4296 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4297 * doc/tree-ssa.texi: Update immuse iterator documentation.
4298 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4299 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4300 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4301 first_safe_imm_use, next_safe_imm_use): Remove.
4302 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4303 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4304 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4305 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4306 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4307 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4308 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4309 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4310 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4311 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4312 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4313 (perfect_nestify): Use new iterator.
4314 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4316 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4317 (next_imm_name): New field in struct immediate_use_iterator_d.
4318 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4319 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4320 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4321 * tree-cfg.c (replace_uses_by): Use new iterator.
4322 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4323 * tree-ssa-operands.c (correct_use_link): Remove.
4324 (finalize_ssa_use_ops): No longer call correct_use_link.
4326 2006-04-27 Stuart Hastings <stuart@apple.com>
4328 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4329 * config/t-darwin (crt3.o): Use it.
4330 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4331 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4332 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4333 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4334 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4337 2006-04-27 Roger Sayle <roger@eyesopen.com>
4339 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4340 size, force the intermediate into a new pseudo rather instead of
4341 performing both a bitwise AND and a bitwise IOR in memory.
4343 2006-04-27 Richard Guenther <rguenther@suse.de>
4345 PR rtl-optimization/26685
4346 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4347 this one "max-flow-memory-locations".
4349 2006-04-27 Richard Guenther <rguenther@suse.de>
4351 PR tree-optimization/25148
4352 * tree-vrp.c (compare_values): Remove code dealing with
4353 comparisons against type min/max value. Honour overflow
4354 and negative constants in code dealing with comparisons
4355 of plus and minus expressions.
4356 (value_inside_range): Use fold_binary with LE_EXPR and
4357 GE_EXPR rather than compare_values.
4359 2006-04-27 Dirk Mueller <dmueller@suse.de>
4361 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4364 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4366 * basic-block.h (safe_insert_insn_on_edge): Removed.
4367 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4369 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4370 Paolo Bonzini <bonzini@gnu.org>
4373 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4374 (simplify_and_const_int): Same.
4376 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4378 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4380 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4383 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4384 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4385 cgraph_global_info_ready.
4388 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4391 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4392 either decl or init is error_mark_node.
4395 * tree-flow.h (struct omp_region): Add sched_kind.
4396 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4397 instead of extracting omp for data.
4398 (expand_omp_for): Save extracted sched_kind.
4400 2006-04-25 Roger Sayle <roger@eyesopen.com>
4402 * expmed.c (store_bit_field): Also check whether the bitsize is
4403 valid for the machine's "insv" instruction before moving the
4404 target into a pseudo for use with the insv.
4405 * config/i386/predicates.md (const8_operand): New predicate.
4406 * config/i386/i386.md (extv, extzv, insv): Use the new
4407 const8_operand predicate where appropriate.
4409 2006-04-25 DJ Delorie <dj@redhat.com>
4411 * doc/install.texi (Specific): Clarify that this is not a list of
4412 supported hosts or targets.
4414 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4416 PR rtl-optimization/26725
4417 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4418 block's BB_DIRTY flag.
4420 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4422 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4425 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4426 to print an integer.
4428 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4430 * varasm.c (align_variable): New function.
4431 (get_block_for_decl): Apply align_variable to DECL before
4432 calculating section information.
4433 (assemble_variable): Split out alignment computation.
4435 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4437 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4440 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4442 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4443 MODE_PARTIAL_INT mode.
4444 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4445 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4447 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4448 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4450 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4452 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4454 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4455 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4456 MACFLAG_IH): Likewise.
4457 (movstricthi_1): Renamed from "*movstricthi".
4458 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4459 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4460 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4461 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4462 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4463 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4464 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4465 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4466 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4467 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4468 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4469 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4470 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4471 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4472 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4474 * doc/rtl.texi (ss_ashift): Improve wording.
4476 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4478 * dwarf2out.c (verify_marks_clear): New.
4479 (prune_unused_types): Call verify_marks_clear initially, not
4482 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4484 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4485 * doc/rtl.texi: Document them.
4486 * simplify-rtx.c (simplify_unary_operation,
4487 simplify_binary_operation_1): Don't abort when we see them.
4489 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4492 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4493 * configure.ac: Completely disregard languages that are not
4495 * configure: Regenerated.
4497 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4498 Richard Guenther <rguenther@suse.de>
4500 PR tree-optimization/27236
4501 * tree-inline.c (copy_body_r): Make sure to copy
4502 TREE_THIS_VOLATILE flag.
4504 2006-04-24 Richard Guenther <rguenther@suse.de>
4507 * tree-complex.c (update_parameter_components): Don't handle
4508 unused parameters which have no default def.
4510 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4511 Richard Guenther <rguenther@suse.de>
4513 PR tree-optimization/27218
4514 * tree-inline.c (expand_call_inline): Strip useless type
4515 conversions for the return slot address.
4517 2006-04-24 Richard Guenther <rguenther@suse.de>
4519 * cfgloop.h (struct loops): Remove unused field array. Reorder
4521 (LOOP_PREFETCH): Remove.
4523 2006-04-24 Richard Guenther <rguenther@suse.de>
4525 PR tree-optimization/22525
4526 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4527 variable, adjust types of generated expressions.
4529 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4531 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4532 (tree-vect-patterns.o): Likewise.
4534 (cselib.o): Likewise.
4535 (loop-doloop.o): Likewise.
4536 (regclass.o): Likewise.
4537 (reload1.o): Likewise.
4538 (explow.o): Replace target.h with $(TARGET_H).
4539 (ipa-prop.o): Likewise.
4540 (ipa-cp.o): Likewise.
4541 (ipa-inline.o): Likewise.
4542 (reorg.o): Likewise.
4543 (reg-stack.o): Likewise.
4545 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4547 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4549 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4551 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4553 * configure.ac: Completely disregard languages that are not
4555 * configure: Regenerated.
4558 * c-common.h (c_build_bitfield_integer_type): Declare.
4559 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4560 * c-common.c (c_build_bitfield_integer_type): ... here.
4562 2006-04-23 Roger Sayle <roger@eyesopen.com>
4565 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4566 a SImode SUBREG of a floating point register after no_new_pseudos.
4568 2006-04-23 Roger Sayle <roger@eyesopen.com>
4570 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4571 identify potentially eliminable registers to additionally catch
4572 VIRTUAL_INCOMING_ARGS_REGNUM.
4573 (addsi3): Update the conditions on when to use addsi_small_int.
4575 2006-04-23 Roger Sayle <roger@eyesopen.com>
4578 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4579 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4580 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4582 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4584 * fold-const.c (range_predecessor): Use operand_equal_p
4585 as the predicate for equality.
4586 (range_successor): Likewise.
4588 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4591 * config/soft-fp/op-common.h: Fix a typo.
4593 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4596 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4597 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4599 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4601 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4603 * doc/tm.texi: Fix a typo.
4605 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4607 * dwarf2out.c (struct die_struct): Document that die_sib makes
4608 a circular linked list.
4609 (FOR_EACH_CHILD): New.
4610 (reverse_die_lists): Delete.
4611 (reverse_all_dies): Delete.
4612 (add_dwarf_attr): Correct documentation.
4613 (remove_child_with_prev): New.
4614 (remove_child_TAG): Update for change to die_struct, use
4615 remove_child_with_prev.
4616 (add_child_die): Update for change to die_struct.
4617 (splice_child_die): Use remove_child_with_prev and add_child_die.
4618 (print_die): Use FOR_EACH_CHILD.
4619 (die_checksum): Likewise.
4620 (assign_symbol_names): Likewise.
4621 (output_location_lists): Likewise.
4622 (build_abbrev_table): Likewise.
4623 (calc_die_sizes): Likewise.
4624 (mark_dies): Likewise.
4625 (unmark_dies): Likewise.
4626 (unmark_all_dies): Likewise.
4627 (output_die): Likewise.
4628 (prune_unused_types_mark): Likewise.
4629 (prune_unused_types_walk): Likewise.
4630 (same_die_p): Update for change to die_struct.
4631 (break_out_includes): Likewise.
4632 (prune_unused_types_prune): Likewise.
4633 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4634 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4636 (dwarf2out_finish): Don't call reverse_all_dies.
4638 2006-04-21 Eric Christopher <echristo@apple.com>
4640 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4641 in comments and function names.
4643 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4646 * c-typeck.c (digest_init): Robustify.
4648 * c-typeck.c (pop_init_level): Simplify.
4650 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4652 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4654 2006-04-21 Paul Brook <paul@codesourcery.com>
4656 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4657 hardware floating point.
4659 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4661 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4664 2006-04-21 Nick Clifton <nickc@redhat.com>
4666 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4669 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4672 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4673 C++ lang type in traceback table for Objective-C++.
4675 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4677 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4679 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4681 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4684 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4685 were errors. Remove check for erroneous objects.
4687 2006-04-20 Jeff Law <law@redhat.com>
4689 PR tree-optimization/26854
4690 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4691 checking for zero or one use.
4692 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4693 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4694 * tree-ssa-reassoc.c (negate_value): Similarly.
4695 (reassociate_bb): Similarly.
4697 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4699 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4700 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4701 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4703 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4705 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4706 fp regs if the last fp arg doesn't fit in regs.
4708 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4711 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4712 that the last insn has the REG_INC note.
4714 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4715 Nathan Sidwell <nathan@codesourcery.com>
4718 * stor-layout.c (update_alignment_for_field): Do not align
4720 (place_union_field): Place union field at the start of the union.
4721 (place_field): Move ERROR_MARK check later, and use the current
4722 allocation position to maintain monotonicity.
4724 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4726 * dominance.c: Include timevar.h.
4727 (calculate_dominance_info): Use TV_DOMINANCE.
4728 * timevar.def (TV_DOMINANCE): New timevar.
4729 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4731 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4733 PR rtl-optimization/14261
4734 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4735 move would be an INSV insn.
4736 (noce_process_if_block): Don't optimize if the destination is a
4737 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4739 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4741 * config/s390/s390.md: Add comments with the instructions emitted
4742 by an insn pattern if macros are used.
4744 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4746 PR rtl-optimization/26026
4747 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4748 is a known power of two shifted left a variable amount.
4750 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4752 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4753 to hash table twice when the debug_str section has SECTION_MERGE.
4755 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4757 * config/soft-fp: New directory. From glibc.
4758 * config/soft-fp/t-softfp: New.
4759 * config/soft-fp/README: New.
4760 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4761 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4762 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4763 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4764 * config.gcc: Use rs6000/t-fprules-fpbit or
4765 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4767 * config/rs6000/sfp-machine.h: New. Based on glibc.
4768 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4770 * config/rs6000/t-fprules: Remove fp-bit rules.
4771 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4772 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4773 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4774 (softfp_wrap_start, softfp_wrap_end): New.
4776 2006-04-18 DJ Delorie <dj@redhat.com>
4778 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4780 2006-04-18 Devang Patel <dpatel@apple.com>
4782 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4784 2006-04-18 Nick Clifton <nickc@redhat.com>
4786 * config/sh/t-symbian: Add rule to build sh-c.o
4787 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4788 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4789 (sh_symbian_encode_section_info): Likewise.
4791 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4793 * builtins.c (expand_builtin_strcmp): Cover label definition of
4794 do_libcall with HAVE_cmpstrnsi.
4796 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4798 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4800 * function.h (temp_slot_p): New.
4801 (function): Change the type of x_used_temp_slots to
4802 VEC(temp_slot_p,gc) *.
4804 2006-04-18 Nick Clifton <nickc@redhat.com>
4806 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4807 flag_strength_reduce.
4809 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4811 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4815 Partial revert of revision 112637
4816 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4817 Dale Johannesen <dalej@apple.com>
4820 * regclass.c (struct reg_pref): Update documentation.
4821 (regclass): Set prefclass to NO_REGS if memory is the best option.
4822 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4824 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4826 PR tree-optimization/26821
4827 * tree-ssa-math-opts.c (get_constant_one): New.
4828 (insert_reciprocals): Use it.
4830 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4832 * dwarf2out.c (free_AT): Delete.
4833 (remove_AT): Update string ref counts.
4834 (remove_child_TAG): Don't call free_die.
4836 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4837 or DW_TAG_GNU_EINCL.
4838 (prune_unused_types_walk_attribs): Reset string refcounts.
4839 (prune_unused_types_update_strings): New.
4840 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4841 call free_die. Do call prune_unused_types_update_strings.
4842 (prune_unused_types): Empty debug_str_hash.
4844 2006-04-17 Roger Sayle <roger@eyesopen.com>
4846 * expr.c (expand_assignment): Optimize away no-op moves where the
4847 source and destination are equal and have no side-effects.
4849 2006-04-17 Richard Guenther <rguenther@suse.de>
4852 * reload.c (push_reload): Guard calls to get_secondary_mem
4855 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4857 * alias.c (reg_base_value, old_reg_base_value): Change the
4858 type to VEC(rtx,gc) *.
4859 (REG_BASE_VALUE, find_base_value, record_set,
4860 init_alias_analysis): Use VEC instead of VARRAY.
4862 * alias.c (alias_sets): Change the type to
4863 VEC(alias_set_entry,gc) *.
4864 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4865 VEC instead of VARRAY.
4866 (last_alias_set): Remove.
4868 * cgraph.h (cgraph_edge_p): New.
4869 Update the prototype of cgraph_function_versioning.
4870 * cgraphunit.c (cgraph_copy_node_for_versioning,
4871 cgraph_function_versioning): Use VEC instead of VARRAY.
4872 * ipa-cp.c (ipcp_insert_stage): Likewise.
4874 2006-04-16 Roger Sayle <roger@eyesopen.com>
4877 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4878 "A op B" or "A op C", we may need to convert A to the type of B and C.
4880 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4882 * target.h (struct gcc_target): Add mode_rep_extended.
4883 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4884 (init_num_sign_bit_copies_in_rep): Initialize it using
4886 (truncate_to_mode): Use it.
4887 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4888 * targhooks.h (default_mode_rep_extended): Declare it.
4889 * targhooks.c (default_mode_rep_extended): Define it.
4890 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4891 default_mode_rep_extended.
4892 (TARGET_INITIALIZER): Include it.
4893 * doc/tm.texi (Misc): Document it.
4894 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4895 (mips_truncated_to_mode): New function.
4897 2006-04-16 Roger Sayle <roger@eyesopen.com>
4900 * expr.c (compress_float_constant): Copy the narrow constant into
4901 a new pseudo before extending it to its final width.
4903 2006-04-16 Roger Sayle <roger@eyesopen.com>
4904 Andrew Pinski <pinskia@gcc.gnu.org>
4905 Dale Johannesen <dalej@apple.com>
4908 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4909 special case code to implement V8HImode and V16QImode with SSE2.
4911 2006-04-15 Roger Sayle <roger@eyesopen.com>
4913 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4914 trees are constructed with a suitable tree type.
4916 2006-04-15 Roger Sayle <roger@eyesopen.com>
4918 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4919 (integer_onep): Likewise.
4920 (integer_all_onesp): Likewise.
4921 (integer_pow2p): Likewise.
4922 (integer_nonzerop): Likewise.
4923 (real_zerop): Likewise.
4924 (real_onep): Likewise.
4925 (real_twop): Likewise.
4926 (real_minus_onep): Likewise.
4927 (int_size_in_bytes): Likewise.
4928 (host_integerp): Likewise.
4930 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4932 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4933 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4934 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4936 * tree-ssa-structalias.h (alias_info): Remove num_references.
4938 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4940 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4941 (output_bvb patterns): Likewise.
4942 * pa.c (output_bb): Use 'bb' insn for long branch case.
4943 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4944 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4945 1. Correct length operand for alternatives 1 and 2.
4946 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4947 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4949 2006-04-14 Roger Sayle <roger@eyesopen.com>
4951 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4952 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4953 were accidentally reverted by r112959.
4955 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4958 * except.h (eh_region_outermost): New prototype.
4959 * except.c (eh_region_outermost): New function.
4960 * tree-cfg.c (find_outermost_region_in_block): Use it.
4962 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4964 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4966 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4967 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4968 (init_reload, reload): Use VEC instead of VARRAY.
4969 * reload.h: Update the prototype for
4970 reg_equiv_memory_loc_varray.
4972 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4973 Eric Botcazou <ebotcazou@libertysurf.fr>
4975 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4978 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4981 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4982 to expand fallback builtin function call.
4984 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4987 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4988 and emit libcall here in case the builtin fails.
4989 (expand_builtin_strcmp): Always emit the libcall here on failure.
4991 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4993 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4994 * flow.c (reg_n_info): Change the type to
4995 VEC(reg_info_p,heap) *.
4996 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4998 * regs.h (reg_info_p): New.
4999 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5000 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5001 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5004 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5006 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5008 * params.h (MAX_SCHED_READY_INSNS): New macro.
5009 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5010 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5011 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5012 the ready list for 1 cycle during the first scheduling pass.
5013 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5015 2006-04-13 Richard Henderson <rth@redhat.com>
5018 * gimple-low.c (lower_omp_directive): Remove dead code.
5019 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5020 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5021 * omp-low.c (struct omp_region): Move to tree-flow.h.
5022 (root_omp_region): Export.
5023 (omp_regions, lookup_omp_region): Remove.
5024 (determine_parallel_type): Update for struct omp_region changes.
5025 (dump_omp_region): Dump regions with block numbers.
5026 (new_omp_region): Take type and block instead of stmt; malloc
5028 (free_omp_region_1, free_omp_regions): New.
5029 (expand_parallel_call): Take entry_stmt as argument; update for
5030 changes to omp_region.
5031 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5032 (remove_exit_barriers): New.
5033 (expand_omp_parallel): Update for struct omp_region changes.
5034 (expand_omp_synch): Likewise.
5035 (expand_omp): Likewise.
5036 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5037 (expand_omp_for_static_chunk): Likewise.
5038 (expand_omp_for): Likewise.
5039 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5040 (expand_omp_sections): Similarly, with GOMP_sections_end.
5041 (expand_omp_single): New.
5042 (build_omp_regions_1): Update for OMP_CONTINUE.
5043 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5044 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5045 OMP_SECTIONS_SECTIONS.
5046 (lower_omp_single_simple): Don't emit barrier here.
5047 (lower_omp_single_copy): Likewise.
5048 (lower_omp_single): Fix bindings, and lower to straightline now.
5049 (lower_omp_master, lower_omp_ordered): Likewise.
5050 (lower_omp_critical): Likewise.
5051 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5052 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5053 omp edges, free it afterward.
5054 (make_omp_sections_edges): Remove.
5055 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5056 (move_stmt_r): Handle OMP_CONTINUE.
5057 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5058 statement pointers to basic blocks. Add type member.
5059 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5060 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5061 * tree-inline.c (estimate_num_insns_1): Likewise.
5062 * tree-pretty-print.c (dump_generic_node): Likewise.
5063 * tree-ssa-operands.c (get_expr_operands): Likewise.
5064 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5065 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5066 (OMP_CONTINUE): New.
5067 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5068 (OMP_SECTIONS_SECTIONS): Remove.
5069 (OMP_SECTION_LAST): New.
5070 (OMP_RETURN_NOWAIT): New.
5072 2006-04-13 Roger Sayle <roger@eyesopen.com>
5074 * fold-const.c (native_encode_vector, native_interpret_real):
5075 Correct obvious mistakes in the previous check-in.
5077 2006-04-13 Roger Sayle <roger@eyesopen.com>
5079 * fold-const.c (native_encode_expr): New function to encode
5080 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5081 or VECTOR_CST into a specified buffer.
5082 (native_encode_int): New function.
5083 (native_encode_real): New function.
5084 (native_encode_complex): New function.
5085 (native_encode_vector): New function.
5086 (native_interpret_expr): Inverse of native_encode_expr to convert
5087 a target representation into an INTEGER_CST, REAL_CST etc...
5088 (native_interpret_int): New function.
5089 (native_interpret_real): New function.
5090 (native_interpret_complex): New function.
5091 (native_interpret_vector): New function.
5092 (fold_view_convert_expr): New function to constant fold/evaluate
5093 a VIEW_CONVERT_EXPR of a suitable constant expression.
5094 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5095 Change call of build1 to fold_build1 when constructing a
5098 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5099 Ulrich Weigand <uweigand@de.ibm.com>
5102 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5105 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5108 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5109 optimize to lo_sum for DFmode if !TARGET_FPRS.
5111 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5113 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5114 delete_alias_info, compute_flow_sensitive_aliasing,
5115 group_aliases): Use VEC instead of VARRAY.
5116 * tree-ssa-structalias.c (update_alias_info): Likewise.
5117 * tree-ssa-structalias.h (alias_info): Change the type of
5118 processed_ptrs to VEC(tree,heap) *.
5120 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5123 * config/sh/lib1funcs.h: New file, broken out of:
5124 * config/sh/lib1funcs.asm.
5125 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5127 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5128 * config/sh/lib1funcs-Os-4-200.asm: New file.
5129 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5130 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5131 (EXTRA_MULTILIB_PARTS): Include it.
5132 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5133 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5134 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5135 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5138 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5140 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5141 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5142 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5144 * tree-ssa-live.h: Include vecprim.h.
5145 (tree_partition_associator_d): Change the type of
5146 first_partition to VEC(int,heap) *.
5147 (tpa_first_partition): Use VEC instead of VARRAY.
5149 * Makefile.in (GTFILES): Move functions.h after tree.h.
5150 * function.c (reset_block_changes, record_block_change,
5151 check_block_change, free_block_changes): Use VEC instead of
5153 * function.h (function): Change the type of
5154 ib_boundaries_block to VEC(tree,gc) *.
5155 * tree-inline.c (copy_cfg_body): Initialize
5156 ib_boundaries_block to NULL instead of (varray_type) 0.
5158 2006-04-12 Roger Sayle <roger@eyesopen.com>
5160 * expr.c (emit_group_store): Correct operand order in call to
5161 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5162 a SUBREG_BYTE of zero.
5164 2006-04-12 Richard Guenther <rguenther@suse.de>
5166 * profile.c (compute_branch_probabilities): Remove code
5167 encapsulated in !ir_type (), which are remanents of the
5168 removed RTL profiling code.
5169 * rtl-profile.c: Remove.
5171 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5173 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5174 magic NULL_RTX comment.
5175 (function_arg): Store entire fp arg to mem if any part should go
5177 (rs6000_arg_partial_bytes): Adjust for above change.
5179 2006-04-11 Roger Sayle <roger@eyesopen.com>
5181 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5182 if it hasn't been initialized by dwarf2out_init.
5184 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5186 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5187 symbolic constants in branch patterns.
5189 2006-04-11 Roger Sayle <roger@eyesopen.com>
5191 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5193 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5195 PR rtl-optimization/27073
5196 * gcse.c (try_replace_reg): Revert last change. Continue to search
5197 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5200 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5202 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5203 aggregate types other than record and union types.
5204 (function_arg): Likewise.
5205 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5207 (function_value): In 64-bit mode, return objects that require it
5210 2006-04-11 Roger Sayle <roger@eyesopen.com>
5212 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5214 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5216 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5218 2006-04-03 Jeff Law <law@redhat.com>
5221 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5222 alias information too.
5224 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5226 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5228 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5231 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5232 (premark_used_types_helper): New.
5233 (premark_used_types): New.
5234 (gen_subprogram_die): Call premark_used_types.
5235 (prune_unused_types_walk): Do not prune perennial dies.
5236 * function.c (used_types_insert): New.
5237 * function.h (struct function): Add used_types_hash field.
5238 (used_types_insert): Add prototype.
5239 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5240 * c-parser.c (c_parser_cast_expression): Save casted types in used
5243 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5246 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5247 rs6000_explicit_options.float_gprs.
5249 2006-04-10 Roger Sayle <roger@eyesopen.com>
5251 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5252 from ix86_expand_vector_init_low_nonzero. Take an additional
5253 one_var argument indicating which element is non-zero. Support
5254 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5255 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5256 with one_var instead of ix86_expand_vector_init_low_nonzero.
5258 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5260 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5261 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5262 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5263 build/genextract.o): Depend on vecprim.h.
5264 * cfglayout.c, df-problems.c, function.c, genextract.c,
5265 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5266 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5270 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5272 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5273 Declare VECs of this type.
5274 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5275 (remove_children): Delete.
5276 (add_dwarf_attr): Use VEC routines.
5277 (add_AT_flag): Update for changes to add_dwarf_attr.
5278 (add_AT_int): Likewise.
5279 (add_AT_unsigned): Likewise.
5280 (add_AT_long_long): Likewise.
5281 (add_AT_vec): Likewise.
5282 (add_AT_string): Likewise.
5283 (add_AT_die_ref): Likewise.
5284 (add_AT_fde_ref): Likewise.
5285 (add_AT_loc): Likewise.
5286 (add_AT_loc_list): Likewise.
5287 (add_AT_addr): Likewise.
5288 (add_AT_lbl_id): Likewise.
5289 (add_AT_lineptr): Likewise.
5290 (add_AT_macptr): Likewise.
5291 (add_AT_offset): Likewise.
5292 (add_AT_range_list): Likewise.
5293 (get_AT): Use VEC_iterate.
5294 (remove_AT): Use VEC_ordered_remove.
5295 (free_die): Fold remove_children into here; have it use VEC_iterate.
5296 (print_die): Use VEC_iterate on attrs.
5297 (reverse_die_lists): Don't reverse attr lists.
5298 (die_checksum): Use VEC_iterate on attrs.
5299 (same_die_p): Likewise.
5300 (output_location_lists): Likewise.
5301 (build_abbrev_table): Likewise.
5302 (size_of_die): Likewise.
5303 (unmark_all_dies): Likewise.
5304 (output_abbrev_section): Likewise.
5305 (output_die): Likewise.
5306 (prune_unused_types_walk_attribs): Likewise.
5308 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5310 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5312 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5315 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5317 2006-04-09 Roger Sayle <roger@eyesopen.com>
5319 * expr.c (store_constructor): Don't bother clearing target if
5320 we're about to assign a vector to it using vec_init_optab.
5322 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5324 * tree-ssa-alias.c (lhs_may_store_to): New function.
5325 (recalculate_used_alone): Handle LHS of calls.
5327 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5331 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5332 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5333 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5334 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5335 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5336 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5337 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5338 stubs. Add ".align 8" directives before all ".dword" directives.
5339 (GTHREAD_USE_WEAK): Revise comment.
5340 (TARGET_ATTRIBUTE_WEAK): Define.
5341 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5342 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5343 * stublib.c: New file.
5348 * pa.md (cbranch patterns): Revise arguments used in calls to
5349 output_cbranch, output_bb and output_bvd. Add long branch length
5351 (fbranch patterns): Handle long branches.
5352 (jump): Revise length check. Revise arguments for output_lbranch call.
5353 Add long branch length attributes.
5354 (decrement_and_branch_until_zero): Add long branch length attributes.
5355 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5356 Likewise. Revise arguments for output_parallel_addb and
5357 output_parallel_movb calls.
5358 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5359 output_parallel_movb and output_parallel_addb): Update prototypes.
5360 * pa.c (output_cbranch): Revise arguments. Correct handling of
5361 nullification in long branches.
5362 (output_lbranch): Add new argument to control extraction of delay
5364 (output_bb): Handle long branches.
5365 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5366 output_parallel_addb): Likewise.
5368 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5370 PR rtl-optimization/27073
5371 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5374 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5376 * tree.h (tree_memory_tag): Add old_used_alone.
5377 (SMT_OLD_USED_ALONE): New macro.
5378 * tree-ssa-alias.c (recalculate_used_alone): Stop
5379 marking things for renaming unnecessarily.
5381 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5383 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5384 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5385 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5386 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5387 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5388 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5389 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5390 spelling convensions.
5391 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5392 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5393 typos. Follow spelling conventions.
5395 2006-04-07 DJ Delorie <dj@redhat.com>
5397 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5398 passed on the stack.
5399 (m32c_init_cumulative_args): When a function returns a structure,
5400 always pass the pointer to that return area on the stack.
5401 (m32c_function_arg_advance): Don't increment the parameter number
5402 if we're processing the returned structure pointer.
5403 (pushm_info): Reverse order of registers.
5405 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5407 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5408 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5409 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5410 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5412 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5413 chrec_fold_multiply): Same.
5414 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5415 force_expr_to_var_cost): Same.
5416 * tree-mudflap.c (mf_xform_derefs_1): Same.
5417 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5419 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5421 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5422 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5425 2006-04-07 Jan Hubicka <jh@suse.cz>
5427 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5429 2006-04-07 Richard Guenther <rguenther@suse.de>
5431 PR tree-optimization/26135
5432 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5433 loads for store copy-prop.
5434 (copy_prop_visit_stmt): Likewise.
5436 2006-04-05 Robert Millan <robertmh@gnu.org>
5438 * config/i386/linux.h: Add a comment to mark macros that are
5439 being overriden in config/k*bsd-gnu.h.
5440 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5442 * config/knetbsd-gnu.h: Ditto.
5444 2006-04-06 Jan Hubicka <jh@suse.cz>
5448 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5451 2006-04-06 Mike Stump <mrs@apple.com>
5453 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5454 for HAVE_nonlocal_goto to be consistent.
5455 (expand_builtin_nonlocal_goto): Likewise.
5456 (expand_builtin_strcmp): Use #ifdef instead of #if
5457 for HAVE_cmpstrnsi to be consistent.
5459 2006-04-05 DJ Delorie <dj@redhat.com>
5461 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5464 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5466 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5467 got-relative addressing for anything but SImode.
5469 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5470 even if the calling function doesn't modify them.
5472 2006-04-05 Richard Guenther <rguenther@suse.de>
5474 PR tree-optimization/26919
5475 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5476 to cgraph_estimate_size_after_inlining.
5478 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5480 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5482 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5484 PR tree-optimization/26996
5485 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5486 VECTOR_TYPE variables.
5488 2006-04-05 Richard Guenther <rguenther@suse.de>
5490 PR tree-optimization/26763
5491 * fold-const.c (fold_comparison): Move folding of
5492 PTR + CST CMP PTR + CST ...
5493 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5495 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5497 * doc/install.texi (Prerequisites): Refine some wording on
5498 bootstrapping and ksh.
5499 Move the version numbers of DejaGnu here from the testing section
5500 and fix casing of names.
5501 Fix markup and clarify wording for autogen requirements.
5502 Refer to GCJ instead of just java.
5503 Refer to SVN instead of CVS.
5504 Describe diffutils as useful instead of necessary.
5505 (Downloading the source): Refer to SVN instead of CVS.
5506 Adjust a link to our web site accordingly.
5507 (Configuration): Fix casing of Bison.
5508 (Building): Refer to SVN instead of CVS.
5509 Fix a sentence on the use of Bison and remove duplicate (and
5510 incorrect) version number of Bison requirement.
5511 Remove one redundant list of packages needed for building.
5512 (Specific): Avoid reference to CVS.
5514 2006-04-04 Eric Christopher <echristo@apple.com>
5516 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5517 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5518 (rs6000_handle_struct_attribute): New.
5519 (rs6000_ms_bitfield_layout_p): Ditto.
5521 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5523 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5524 NULL for dso parameter to atexit_common.
5526 2006-04-04 Eric Christopher <echristo@apple.com>
5528 * config/i386/i386.c (machopic_output_stub): Output \t
5529 between instructions and operands.
5531 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5533 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5534 satisfies_constraint_[IL] to explicit tests on value.
5536 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5538 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5539 set_nb_iterations_in_loop): Use build_int_cst instead of
5541 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5542 build_int_cst instead of convert.
5544 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5546 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5547 new value 2 for incoming.
5548 * function.c (expand_function_start): Call struct_value_rtx
5550 * config/sparc/sparc.md: Comment updated_return.
5551 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5552 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5553 struct return if sparc_std_struct_return and incoming is 2.
5554 (print_operand): Do not adjust return if
5555 sparc_std_struct_return.
5557 2006-04-04 Roger Sayle <roger@eyesopen.com>
5559 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5560 convert in the middle-end.
5561 * expr.c (store_expr, store_constructor, get_inner_reference,
5562 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5564 * tree.c (build_range_type): Likewise.
5566 2006-04-04 Tom Tromey <tromey@redhat.com>
5568 * doc/install.texi (Prerequisites): Mention jar.
5570 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5572 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5575 2006-04-04 Matthias Klose <doko@debian.org>
5577 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5578 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5581 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5583 * doc/extend.texi (Function Attributes): Rewrite visibility
5584 attribute documentation.
5585 * doc/invoke.texi (C++ Dialect Options): Rewrite
5586 -fvisibility-inlines-hidden documentation to describe something
5587 entirely different, although in practise compatible.
5588 (Code Gen Options): Warn about system headers in -fvisibility=
5591 * doc/extend.texi (Other Builtins): Document that
5592 __builtin_nan is a compile-time constant only when its argument
5595 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5597 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5598 trying to remove TRUNCATE check if all bits outside the new mode
5599 are identical to the sign bit.
5601 2006-04-03 Jeff Law <law@redhat.com>
5603 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5604 and operand scanning in some common cases.
5606 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5607 Dale Johannesen <dalej@apple.com>
5610 * regclass.c (struct reg_pref): Update documentation.
5611 (regclass): Set prefclass to NO_REGS if memory is the best option.
5612 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5613 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5614 into account. For non-registers, equate an empty preferred
5615 reload class to a `!' in the constraint; move the if clause to
5616 do so after those that reject the insn.
5617 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5619 (find_dummy_reload): Likewise.
5620 * doc/tm.texi (Register Classes): Document what it means
5621 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5622 * config/i386/i386.c (ix86_preferred_reload_class): Force
5623 using SSE registers (and return NO_REGS for floating-point
5624 constants) if math is done with SSE.
5625 (ix86_preferred_output_reload_class): New.
5626 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5627 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5628 * config/i386/i386.md: Remove # register preferences.
5630 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5633 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5634 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5635 the type of nb_iter.
5636 (instantiate_parameters_1): Convert the operands before calling
5637 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5638 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5640 2006-04-02 Roger Sayle <roger@eyesopen.com>
5642 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5643 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5645 * dojump.c (do_jump): Likewise.
5646 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5647 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5648 gimplify_boolean_expr): Likewise.
5649 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5650 * varasm.c (array_size_for_constructor): Likewise.
5651 * tree-object-size.c (compute_object_offset): Likewise.
5653 2006-04-02 Roger Sayle <roger@eyesopen.com>
5656 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5657 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5659 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5661 PR tree-optimization/26939
5662 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5664 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5666 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5667 at_stmt. Convert the type of operands before calling
5668 build_polynomial_chrec.
5669 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5671 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5672 (instantiate_parameters_1): Convert the type of operands before calling
5673 build_polynomial_chrec.
5674 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5675 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5676 reset_evolution_in_loop): Insert asserts to check the types of the
5678 (chrec_type): Moved...
5679 (eq_evolutions_p): Use operand_equal_p.
5680 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5681 the types of the operands.
5682 (chrec_type): ...here.
5683 * tree-data-ref.c (create_data_ref): Convert the operands before
5684 calling chrec_replace_initial_condition.
5685 (same_access_functions, analyze_subscript_affine_affine,
5686 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5687 (compute_subscript_distance, analyze_ziv_subscript,
5688 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5689 analyze_miv_subscript): Convert the operands before calling
5690 chrec_fold_minus or chrec_fold_plus.
5692 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5694 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5695 the dependence_relations vector.
5696 (compute_data_dependences_for_loop): Adjust call to
5697 compute_all_dependences.
5699 2006-04-01 Roger Sayle <roger@eyesopen.com>
5700 Richard Henderson <rth@redhat.com>
5702 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5703 gimple_boolify on the condition before calling gimplify_expr.
5705 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5707 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5708 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5709 the frame size. Update to use the new macros.
5710 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5711 * config/xtensa/ieee754-df.S: Likewise.
5713 2006-03-31 Richard Henderson <rth@redhat.com>
5715 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5716 (make_edges): ... here. Control fallthru creation with a local
5717 variable. Do not play with fake edges.
5718 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5719 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5722 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5724 * dwarf2.h (DW64_CIE_ID): Define.
5725 * dwarf2out.c (DWARF_CIE_ID): Define.
5726 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5727 length header. Use DWARF_CIE_ID.
5728 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5729 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5731 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5733 * config/sh/linux-atomic.asm: New file.
5734 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5736 2006-03-31 DJ Delorie <dj@redhat.com>
5738 * config/m32c/cond.md: Set condition flags properly throughout.
5739 * config/m32c/minmax.md: Likewise.
5740 * config/m32c/prologue.md: Likewise.
5741 * config/m32c/bitops.md: Likewise.
5742 * config/m32c/muldiv.md: Likewise.
5743 * config/m32c/mov.md: Likewise.
5744 * config/m32c/addsub.md: Likewise.
5745 * config/m32c/m32c.md: Likewise.
5746 * config/m32c/jump.md: Likewise.
5747 * config/m32c/shift.md: Likewise.
5749 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5750 conditionally output the pattern for this.
5751 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5752 (m32c_compare_redundant): New.
5753 (m32c_output_compare): New.
5754 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5756 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5757 dest, not src. Allow other 4-byte modes.
5759 2006-03-30 Denis Chertykov <denisc@overta.ru>
5761 * doc/md.texi: Refer to avr/constraints.md instead of
5764 2006-03-30 Roger Sayle <roger@eyesopen.com>
5766 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5767 signed vs. unsigned comparison failures on some hosts.
5769 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5772 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5773 change to FLOAT_REGS.
5775 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5776 (rs6000_override_options): Use it.
5777 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5778 only for -mabi=spe/no-spe and -mabi=altivec.
5780 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5782 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5785 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5787 * Makefile.in: Rename docdir to gcc_docdir.
5789 2006-03-30 Roger Sayle <roger@eyesopen.com>
5792 * expr.c (emit_group_store): Optimize group stores into a pseudo
5793 register by using a paradoxical subreg to initialize the destination
5794 if the first or last member of the group specifies a "low part".
5796 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5799 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5800 * target.h (struct gcc_target.speculate_insn): Change type of the
5801 second parameter to 'int'.
5802 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5803 the second operand of the DEPS_LIST.
5804 (copy_DEPS_LIST_list): Update reference to the second operand of the
5806 * rtl.h (alloc_DEPS_LIST): Update signature.
5807 * sched-int.h (ds_t): Change typedef to 'int'.
5808 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5810 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5812 * haifa-sched.c (try_ready): Change condition to restore
5813 non-speculative pattern of the instruction.
5814 (process_insn_depend_be_in_spec): Code to keep probability of the
5815 speculative dependence non-decreasing.
5817 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5819 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5820 (single_move_for_movmem): ... this. Also change all uses.
5821 (bfin_expand_strmov): Renamed to...
5822 (bfin_expand_movmem): ... this. Also change all uses.
5823 * config/bfin/bfin.md (movstrsi): Renamed to...
5824 (movstrsi): ...this.
5826 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5828 PR tree-optimization/26830
5830 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5831 (copy_prop_visit_stmt): Remove write-only variable ann.
5832 (init_copy_prop): Check variable loop depth here. Do not simulate
5833 memory-tag and virtual operand PHIs except for store copy prop.
5835 2006-03-30 Richard Guenther <rguenther@suse.de>
5837 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5838 variants with double arguments.
5840 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5842 * genpreds.c (write_tm_constrs_h): Delete variable p.
5843 * genconditions.c (write_header): Add tm-constrs.h to included
5845 * genpeep.c (main): Add toplev.h to included headers.
5846 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5847 (build/genpeep.o): Add toplev.h dependency.
5848 * config/rs6000/constraints.md: Add "W" constraint.
5850 2006-03-29 Roger Sayle <roger@eyesopen.com>
5852 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5853 sizes by correctly testing whether the size fits a host integer.
5854 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5855 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5856 SImode range for the default sizetype and bitsizetype.
5858 2006-03-29 Roger Sayle <roger@eyesopen.com>
5860 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5861 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5862 quickly if the argument is already of the correct type.
5863 Call fold_build1 instead of build1. Tidy up blank lines.
5865 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5867 * genemit.c (main): Add tm-constrs.h to included headers.
5868 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5869 * genpeep.c (main): Add tm-constrs.h to included headers.
5870 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5871 (write_tm_constrs_h): this and write complete file.
5872 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5873 (write_insn_preds_c): Add tm-constrs.h to included headers.
5874 (gen_constrs): New variable.
5875 (parse_option): Parse "-c".
5876 (main): Invoke write_tm_constrs_h.
5877 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5878 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5879 (object_out_file): Add tm-constrs.h dependency.
5880 (insn-emit.o): Same.
5881 (insn-output.o): Same.
5882 (insn-peep.o): Same.
5883 (insn-preds.o): Same.
5884 (insn-recog.o): Same.
5885 (tm-constsr.h): New target.
5886 (s-constrs-h): New target.
5888 * config/rs6000/constraints.md: New file.
5889 * config/rs6000/rs6000.c: Include tm-constrs.h.
5890 (num_insn_constant_wide): Convert to satisfies_constraint.
5891 (rs6000_rtx_costs): Convert to satisfies_constraint.
5892 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5893 (CONST_OK_FOR_LETTER_P): Delete.
5894 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5895 (EXTRA_CONSTRAINT): Delete.
5896 (EXTRA_MEMORY_CONSTRAINT): Delete.
5897 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5898 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5899 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5900 satisfies_constraint.
5902 * config/i386/i386.c: Include tm-constrs.h.
5904 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5906 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5907 * tree-data-ref.c (find_data_references_in_loop,
5908 compute_data_dependences_for_loop): Use pointers to VEC.
5909 (analyze_all_data_dependences): Adjust calls.
5910 * tree-data-ref.h (find_data_references_in_loop,
5911 compute_data_dependences_for_loop): Adjust declarations.
5912 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5913 compute_data_dependences_for_loop.
5915 2006-03-29 Paul Brook <paul@codesourcery.com>
5917 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5920 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5922 PR tree-optimization/26859
5923 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5925 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5926 for the step after fold_convert.
5928 2006-03-29 Paul Brook <paul@codesourcery.com>
5930 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5931 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5933 2006-03-29 Paul Brook <paul@codesourcery.com>
5936 * targhooks.c (default_narrow_bitfield): New fuction.
5937 * targhooks.h (default_narrow_bitfield): add prototype.
5938 * target.h (gcc_target): Add narrow_volatile_bitfield.
5939 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5940 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5941 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5942 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5944 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5946 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5948 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5949 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5950 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5951 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5952 (s390_function_arg_float): Allow SDmode and DDmode values to be
5953 passed in floating point registers.
5954 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5955 check with SCALAR_FLOAT_MODE_P.
5956 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5958 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5960 PR tree-optimization/25985
5961 * tree-ssa-loop-niter.c (number_of_iterations_le,
5962 number_of_iterations_ne): Make comments more precise.
5963 (number_of_iterations_cond): Add only_exit argument. Use the
5964 fact that signed variables do not overflow only when only_exit
5966 (loop_only_exit_p): New.
5967 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5968 number_of_iterations_cond.
5970 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5972 PR tree-optimization/26643
5973 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5976 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5978 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5979 (divsi3_i4_int): Likewise.
5981 2006-03-28 Roger Sayle <roger@eyesopen.com>
5983 * expr.c (emit_group_store): Only create a new pseudo reg if the
5984 quantity it needs to hold isn't already a suitable pseudo.
5986 2006-03-28 Jeff Law <law@redhat.com>
5988 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5989 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5991 2006-03-28 Roger Sayle <roger@eyesopen.com>
5993 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5994 the equivalent ~X & Y, and the symmetry related transformations.
5995 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5996 ~X & Y, and symmetry related transforms.
5998 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6000 Revert my 2006-03-27 patches.
6002 2006-03-28 Roger Sayle <roger@eyesopen.com>
6004 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6005 ~(T1)X, when T1 and T2 are integer types of the same precision
6006 and (T2)X isn't an extension.
6008 2006-03-28 Jeff Law <law@redhat.com>
6010 PR tree-optimization/26796
6011 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6012 need EH edge cleanups rather than purging them immediately.
6013 (eliminate_degenerate_phis): Handle queued EH cleanups.
6015 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6017 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6020 2006-03-27 Roger Sayle <roger@eyesopen.com>
6023 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6024 cast BIT_NOT_EXPR operand to the correct type.
6026 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6028 * tree-loop-linear.c: Don't include varray.h.
6029 (gather_interchange_stats, try_interchange_loops,
6030 linear_transform_loops): Use VEC instead of VARRAY.
6031 * lambda-mat.c: Don't include varray.h.
6032 * tree-chrec.c: Same.
6033 * lambda-trans.c: Same.
6034 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6035 VEC instead of VARRAY.
6036 * tree-vectorizer.h: Idem.
6037 * tree-data-ref.c (dump_data_references,
6038 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6039 initialize_data_dependence_relation, finalize_ddr_dependent,
6040 compute_all_dependences, find_data_references_in_loop,
6041 compute_data_dependences_for_loop, analyze_all_data_dependences,
6042 free_dependence_relation, free_dependence_relations,
6043 free_data_refs): Idem.
6044 * tree-data-ref.h (data_reference_p, subscript_p): New.
6045 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6046 VEC instead of VARRAY.
6047 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6048 (find_data_references_in_loop, compute_data_dependences_for_loop,
6049 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6050 dump_data_dependence_relations, free_dependence_relations,
6051 free_data_refs): Adjust declaration.
6052 (lambda_transform_legal_p): Move declaration here...
6053 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6054 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6055 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6056 vect_analyze_data_refs): Use VEC instead of VARRAY.
6057 * lambda.h (lambda_transform_legal_p): ...from here.
6058 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6059 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6060 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6061 tree-chrec.o): Don't depend on VARRAY_H.
6063 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6065 * rtl.def (Copyright): Update date.
6066 (DEPS_LIST): Change type of the second operand to 'int'.
6067 * target.h (Copyright): Update date.
6068 (struct gcc_target.speculate_insn): Change type of the second parameter
6070 * lists.c (Copyright): Update date.
6071 (alloc_DEPS_LIST): Change signature. Update reference to the second
6072 operand of the DEPS_LIST.
6073 (copy_DEPS_LIST_list): Update reference to the second operand of the
6075 * rtl.h (Copyright): Update date.
6076 (alloc_DEPS_LIST): Update signature.
6077 * sched-int.h (Copyright): Update date.
6078 (ds_t): Change typedef to 'int'.
6079 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6081 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6083 * haifa-sched.c (Copyright): Update date.
6084 (try_ready): Change condition to restore non-speculative pattern
6086 (process_insn_depend_be_in_spec): Code to keep probability of the
6087 speculative dependence non-decreasing.
6089 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6091 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6092 shut up the compiler.
6094 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6096 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6097 to use lib prefix for target.
6098 ($(T)libic_invalidate_array_4-200.a): Likewise.
6099 ($(T)libic_invalidate_array_4a.a): Likewise.
6101 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6102 J"orn Rennecke <joern.rennecke@st.com>
6104 * superh.opt: New file.
6105 * sh.c (boardtype, osruntime): Remove.
6106 * superh.h (SUBTARGET_OPTIONS): Remove.
6107 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6109 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6110 arguments with ^ and/or [].
6112 * config.gcc (sh-*-*): Add quoting to account for quirk of
6114 Replace == with = in enable_incomplete_targets test.
6116 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6117 with MASK_LITTLE_ENDIAN.
6119 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6120 * config/sh/sh.opt: Added to some comments.
6121 * config/sh/superh.h: Removed some chaff.
6123 * config/sh/sh.opt: Add m4-[1234]00* options.
6124 * config/sh/sh.c (sh_handle_option): Likewise.
6125 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6126 (ic_invalidate_array_4-100.o): New rule.
6127 ($(T)libic_invalidate_array_4-100.a): Likewise.
6128 (ic_invalidate_array_4-200.o): Likewise.
6129 ($(T)libic_invalidate_array_4-200.a): Likewise.
6130 (ic_invalidate_array_4a.o): Likewise.
6131 ($(T)libic_invalidate_array_4a.a): Likewise.
6132 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6133 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6135 * config/sh/crt1.asm: Merged in profiling code.
6136 * config/sh/superh.h (STARTFILE_SPEC): Override.
6137 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6138 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6139 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6141 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6142 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6143 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6145 * sh.opt (mpretend-cmove): New option.
6146 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6147 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6148 (movsicc): Add TARGET_PRETEND_CMOVE code.
6150 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6152 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6153 s390_class_max_nregs): New function prototypes.
6154 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6155 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6156 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6157 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6159 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6161 * dwarf2out.c (add_location_or_const_value_attribute): Call
6162 tree_add_const_value_attribute if nothing else works.
6163 (reference_to_unused): New.
6164 (rtl_for_decl_init): Use reference_to_unused to decide whether
6165 to output an initializer.
6167 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6170 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6171 peephole removing spe frob_di_df_2.
6173 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6175 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6176 (subscript_dependence_tester_1): Declared.
6177 (print_dir_vectors, print_dist_vectors): New.
6178 (debug_data_dependence_relation): New.
6179 (dump_data_dependence_relation): Print more details.
6180 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6181 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6182 (save_dist_v, save_dir_v, add_outer_distances,
6183 build_classic_dist_vector_1): New.
6184 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6185 Don't test for lambda_vector_lexico_pos.
6186 (same_access_functions, add_multivariate_self_dist,
6187 add_other_self_distances, dir_from_dist): New.
6188 (build_classic_dir_vector): Replace implementation almost identical to
6189 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6191 (subscript_dependence_tester_1): New.
6192 (subscript_dependence_tester): Handle the lexicographically negative
6193 distance vectors by recomputing the dependence relation.
6194 (compute_affine_dependence): Remove parameter loop_nest_depth.
6195 (compute_self_dependence): Don't call compute_subscript_distance.
6196 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6197 Add a parameter for the loop_nest.
6198 (find_loop_nest_1, find_loop_nest): New.
6199 (compute_data_dependences_for_loop): Compute the loop nest, and give
6200 up if the nest is not well formed.
6201 * tree-data-ref.h (loop_p): New.
6202 (struct data_dependence_relation): Replace size_vect field with
6203 loop_nest, a vec of loops.
6204 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6205 (DDR_LOOP_NEST): New.
6206 (print_dir_vectors, print_dist_vectors,
6207 debug_data_dependence_relation): Declared.
6208 (index_in_loop_nest): New.
6209 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6210 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6213 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6215 * simplify-rtx.c (simplify_relational_operation): Call
6216 simplify_relational_operation_1 even if mode is VOIDmode.
6218 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6220 PR tree-optimization/26804
6221 * tree.h (DECL_CALL_CLOBBERED): New macro.
6222 (tree_decl_common): Add call_clobbered_flag.
6223 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6224 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6225 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6226 (mark_non_addressable): Ditto.
6227 * tree-ssa.c (verify_call_clobbered): New function.
6228 (verify_alias_info): Use it.
6229 * tree-pass.h (pass_reset_cc_flags): New prototype.
6230 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6231 (reset_cc_flags): New function.
6232 * passes.c (init_optimization_passes): Call reset_cc_flags after
6233 initializing referenced_vars.
6235 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6236 Roger Sayle <roger@eyesopen.com>
6239 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6240 to 1.0 for non-real operands. Implement A / A optimization for
6243 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6245 * config/i386/i386.c (size_cost): Correct the comment for
6246 cost of storing fp registers.
6247 (i386_cost): Likewise.
6248 (i486_cost): Likewise.
6249 (pentium_cost): Likewise.
6250 (pentiumpro_cost): Likewise.
6251 (k6_cost): Likewise.
6252 (athlon_cost): Likewise.
6253 (k8_cost): Likewise.
6254 (pentium4_cost): Likewise.
6255 (nocona_cost): Likewise.
6256 (generic64_cost): Likewise.
6257 (generic32_cost): Likewise.
6259 2006-03-24 Denis Chertykov <denisc@overta.ru>
6261 * config/avr/avr-protos.h (extra_constraint): Delete.
6262 (extra_constraint_Q): New declaration.
6263 * config/avr/constraints.md: New file.
6264 * config/avr/avr.md: Include it.
6265 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6266 (TMP_REGNO, ZERO_REGNO): Likewise.
6267 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6268 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6269 (extra_constraint): Delete.
6270 (extra_constraint_Q): Test for memory constraint 'Q'.
6271 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6272 (REG_CLASS_FROM_LETTER): Delete.
6273 (CONST_OK_FOR_LETTER_P): Delete.
6274 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6275 (EXTRA_CONSTRAINT): Delete.
6276 (TMP_REGNO): Delete.
6277 (ZERO_REGNO): Delete.
6279 2006-03-24 Jeff Law <law@redhat.com>
6281 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6282 directly. Call mark_new_vars_to_rename slightly earlier.
6284 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6286 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6288 (gen_compile_unit_die): Use new language types for Objective-C and
6290 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6291 DW_LANG_C_plus_plus.
6294 * config/t-darwin (crt3.o): Work around bug 26840.
6295 * config/darwin-crt3.c: Rewrite.
6296 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6298 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6300 * doc/invoke.texi: Document -femit-class-debug-always
6301 * common.opt: Add -femit-class-debug-always.
6303 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6305 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6306 index and base register.
6307 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6308 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6309 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6310 REGNO_OK_FOR_INDEX_P.
6311 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6313 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6314 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6315 REG_OK_FOR_BASE_P): Definitions removed.
6317 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6320 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6321 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6322 set yet or weren't marked as local yet.
6324 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6326 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6329 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6331 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6332 (rs6000_legitimate_small_data_p): Delete.
6333 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6334 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6335 and make static. Add forward declaration. Update uses.
6336 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6337 of offsettable_memref_p.
6338 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6339 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6341 2006-03-24 Jeff Law <law@redhat.com>
6343 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6344 around bug in immediate-use iterator.
6346 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6349 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6350 or __LITTLE_ENDIAN__.
6352 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6354 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6355 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6356 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6357 * config/sh/sh.opt (mdiv=): Amend description.
6358 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6359 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6360 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6361 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6362 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6363 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6364 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6365 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6366 TARGET_DIVIDE_CALL_FP.
6368 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6370 * haifa-sched.c (choose_ready): Fix type of the local variable.
6371 Move local variables. Add comment.
6372 (check_reg_live): Change signature. Make callable from debugger.
6373 * sched-int.h (check_reg_live): Update signature.
6374 * sched-ebb.c (check_reg_live): Update parameters.
6375 * sched-rgn.c (check_reg_live): Ditto.
6376 (region_head_or_leaf_p): Check pointer before dereferencing.
6377 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6378 before reload on optimization levels below 1.
6380 2006-03-23 Richard Henderson <rth@redhat.com>
6382 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6386 * config/alpha/predicates.md (local_symbolic_operand): Reject
6389 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6392 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6393 expressions which have overflowed constants.
6395 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6397 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6399 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6401 * cfgloopmanip.c (create_loop_notes): Removed.
6402 * final.c (final_scan_insn): Do not handle loop notes.
6403 * jump.c (squeeze_notes): Ditto.
6404 * cfglayout.c (skip_insns_after_block,
6405 duplicate_insn_chain): Ditto.
6406 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6408 * cfgloop.h (create_loop_notes): Declaration removed.
6410 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6412 * varasm.c (output_constant_pool): Restore fnname and fndecl
6414 (assemble_start_function): Adjust call accordingly.
6415 (assemble_end_function): Likewise.
6417 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6420 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6423 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6425 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6428 * system.h (ICE_EXIT_CODE): New macro.
6429 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6430 (diagnostic_action_after_output): Likewise.
6431 * gcc.c (fatal_ice): New function.
6432 (execute): Use it instead of fatal.
6433 (fancy_abort): Likewise.
6434 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6436 2006-03-22 Jeff Law <law@redhat.com>
6438 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6439 iv_analyze_result returning false.
6441 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6443 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6445 2006-03-22 Richard Henderson <rth@redhat.com>
6448 * except.c (duplicate_eh_regions_0): New.
6449 (duplicate_eh_region_1): Duplicate the children of the node as
6450 well as the node itself. Link them up properly.
6451 (duplicate_eh_region_2): Merge into ...
6452 (duplicate_eh_regions): ... here. Take copy_region argument, and
6453 copy only a sub-tree if asked. Simplify copying and fixup.
6454 (eh_region_outer_p): New.
6455 * except.h (duplicate_eh_regions): Update decl.
6456 (eh_region_outer_p): Declare.
6457 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6458 (lower_omp_master): Likewise.
6459 (lower_omp_ordered): Likewise.
6460 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6461 (move_stmt_r): Use it to remap labels. Handle recursion vs
6462 remap_decls_p properly.
6463 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6464 (find_outermost_region_in_block): New.
6465 (new_label_mapper): New.
6466 (move_sese_region_to_fn): Copy eh information to the new function
6468 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6470 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6473 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6475 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6476 into shared libraries.
6478 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6480 * doc/md.texi: Refer to i386/constraints.md instead of
6482 * config/i386/constraints.md: New file, extracted from...
6483 * config/i386/predicates.md: ...here.
6484 * config/i386/i386.md: Include constraints.md.
6486 2006-03-21 Jason Merrill <jason@redhat.com>
6488 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6491 * expr.c (init_block_move_fn): Force default visibility.
6492 (init_block_clear_fn): Likewise.
6493 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6494 * targhooks.c (default_external_stack_protect_fail): Likewise.
6496 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6498 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6499 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6500 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6501 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6502 (loadgp): Use mips_current_loadgp_style.
6503 (loadgp_noshared): New pattern.
6504 (sibcall_internal): Use MIPS_CALL.
6505 (sibcall_value_internal): Likewise.
6506 (sibcall_value_multiple_internal): Likewise.
6507 (call_internal): Likewise.
6508 (call_value_internal): Likewise.
6509 (call_value_multiple_internal): Likewise.
6510 (call_split): Use MIPS_CALL and add an 'S' constraint.
6511 (call_value_split): Likewise.
6512 (call_value_multiple_split): Likewise.
6513 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6514 (-mshared): New option.
6515 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6516 (mips_current_loadgp_style): Declare.
6517 * config/mips/mips.c (mips_classify_symbol): Avoid using
6518 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6519 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6520 TARGET_ABSOLUTE_ABICALLS.
6521 (override_options): Adjust comments. Improve the warning that is
6522 issued when -mabicalls and -G are used together.
6523 (mips_file_start): Remove comment.
6524 (mips_current_loadgp_style): New function.
6525 (mips_gnu_local_gp): New variable.
6526 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6528 (mips_output_function_prologue): Use mips_current_laodgp_style.
6529 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6530 the cprestore instruction.
6531 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6532 live for TARGET_ABSOLUTE_ABICALLS.
6533 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6534 (ASM_SPEC): Pass down -mshared and -mno-shared.
6535 (MIPS_CALL): New macro.
6536 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6538 * doc/invoke.texi (-mabicalls): Update documentation.
6539 (-mshared): Document.
6541 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6543 * config/ia64/unwind-hpux.c: New file.
6544 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6546 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6549 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6551 2006-03-21 Jeff Law <law@redhat.com>
6553 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6554 type conversions of a VR_VARYING source to a wider type.
6556 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6558 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6559 tm_file on Solaris 10 and later.
6560 (sparc64-*-solaris2*): Likewise.
6561 (sparc-*-solaris2*): Likewise.
6562 * config/sol26.h: Rename to config/sol2-6.h.
6563 * config/sol2-10.h: New file.
6565 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6568 * tree-ssa-pre.c (create_component_ref_by_pieces):
6571 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6574 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6575 return it immediately.
6577 2006-03-21 Michael Matz <matz@suse.de>
6579 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6581 (remove_arc, add_arc): Update num_out_arcs member.
6582 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6584 (cache_presence): New function.
6585 (compare_states_for_equiv): New function.
6586 (state_is_differed): Don't take number of outargs, adjust callers.
6587 Use new invariant for speeding up.
6588 (init_equiv_class): Create initial classes based on sorted
6590 (partition_equiv_class): Don't track out_arcs_num.
6591 (evaluate_equiv_classes): Call cache_presence on all states and
6594 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6596 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6597 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6598 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6599 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6601 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6602 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6603 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6604 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6605 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6607 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6608 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6609 (REGNO_REG_CLASS): ARGP is in PREGS.
6610 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6612 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6613 to deal with those addresses.
6614 * addresses.h: New file.
6615 * caller-save.c: Include "addresses.h".
6616 (init_caller_save): Use new base_reg_class function.
6617 * rtl-factoring.c: Include "addresses.h".
6618 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6619 * recog.c: Include "addresses.h".
6620 (preprocess_constraints): Use new base_reg_class function.
6621 * regrename.c: Include "addresses.h".
6622 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6623 functions. Keep track of a new var INDEX_CODE to compute valid
6625 (replace_oldest_value_addr): Likewise.
6626 (replace_oldest_value_mem): Use base_reg_class.
6627 * reload.c: Include "addresses.h".
6628 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6629 (find_reloads): Use new base_reg_class function.
6630 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6631 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6632 all callers and prototype changed.
6633 * reload1.c: Include "addresses.h".
6634 (maybe_fix_stack_asms): Use base_reg_class.
6635 * regclass.c: Include "addresses.h".
6636 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6637 (init_reg_autoinc): Use new base_reg_class function.
6638 (record_reg_classes): Likewise.
6639 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6640 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6641 Use new args to compute necessary class.
6643 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6644 regrename.o, rtl-factoring.o): Update dependencies.
6645 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6646 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6647 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6648 REG_OK_FOR_INDEX_P): Delete documentation.
6650 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6652 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6653 from V7 to V9 for Solaris 7 and above.
6655 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6657 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6658 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6659 argument pointers may not alias any other storage.
6660 * common.opt: Define option -fargument-noalias-anything.
6661 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6662 alias semantics is specified by flag_argument_noalias > 2.
6664 2006-03-20 Jeff Law <law@redhat.com>
6666 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6667 (pass_phi_only_cprop): Declare.
6668 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6670 * tree-ssa-dom.c (degenerate_phi_result): New function.
6671 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6672 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6673 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6674 (eliminate_degenerate_phis): Likewise.
6675 (pass_phi_only_cprop): New pass descriptor.
6676 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6677 support code. Callers updated.
6678 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6679 (store_copy_prop): Likewise.
6680 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6682 2006-03-20 Jason Merrill <jason@redhat.com>
6685 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6686 (push_visibility, pop_visibility): Likewise.
6687 * c-pragma.h: Declare them.
6689 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6691 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6693 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6694 parameter and use get_ebb_head_tail.
6695 (sh_md_init_global): Adjust uses of find_regmode_weight.
6697 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6699 * function.h (struct function) <x_tail_recursion_reentry>:
6700 Rename to x_stack_check_probe_note.
6701 (tail_recursion_reentry): Rename to stack_check_probe_note.
6702 * function.c: Replace tail_recursion_reentry with
6703 stack_check_probe_note everywhere.
6704 (expand_function_start): Only emit a note for
6705 stack_check_probe_note with -fstack-protect.
6706 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6708 * emit-rtl.c (remove_unnecessary_notes): Remove.
6709 (pass_remove_unnecessary_notes): Remove.
6710 * rtl.h (remove_unnecessary_notes): Remove prototype.
6711 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6712 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6713 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6715 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6718 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6719 (valid_in_set): Handle ARRAY_REF.
6720 Change "if min_variant or VH" to asserts.
6721 (create_component_ref_by_pieces): Handle ARRAY_REF.
6722 (create_expression_by_pieces): Likewise.
6723 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6725 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6727 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6728 is operand of switch, not str[0].
6730 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6732 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6733 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6735 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6737 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6738 end of insn_extra_address_constraint declaration.
6740 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6742 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6743 (no-sum-in-toc): Same.
6744 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6746 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6747 NO_FP_IN_TOC for -fPIC instead of mask.
6749 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6750 (BOOT_LDFLAGS): Delete.
6752 * config/rs6000/t-aix52: Same.
6754 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6755 (stmsi[345678]_power): New.
6757 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6759 * config/ia64/ia64.opt: Add empty line to end of file.
6761 2006-03-17 Richard Guenther <rguenther@suse.de>
6764 * builtins.c (get_pointer_alignment): For component style references
6765 adjust alignment to the component type alignment. Make sure
6766 to adjust alignment for component access of constants.
6768 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6770 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6773 2006-03-17 Paul Brook <paul@codesourcery.com>
6775 * doc/install.texi: Docuemnt --with-mode.
6776 * config.gcc: Add --with-mode for arm*-*-*.
6777 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6779 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6781 * sh.c (max_labelno_before_reorg): New variable.
6782 (sh_reorg): Initialize it.
6783 (find_barrier): Check max_labelno_before_reorg before using
6784 label_to_alignment. Take length of explicit alignment insns
6785 into account. When seeing a UNSPECV_CONST_END, return it.
6787 * sh.c (fixup_mova): Set mode of affected label to QImode.
6788 (untangle_mova): New function.
6789 (find_barrier): Use it. Check mode of label before decrementing
6791 (sh_reorg): Likewise.
6792 Set mode of all insns back to VOIDmode.
6794 * sh.c (MOVA_LABELREF): New macro.
6795 (mova_p, fixup_mova, sh_reorg): Use it.
6796 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6797 ADDR_DIFF_VEC matches mova.
6799 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6801 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6802 with ATTRIBUTE_UNUSED.
6804 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6806 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6807 pointer, instead of assuming it is possible to derive the
6808 correct args size from a call insn.
6810 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6812 * rtl.h (CONST_INT_P): Define.
6813 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6814 instead of GET_CODE(x) == CONST_INT.
6815 (vax_rtx_costs): Likewise.
6816 (vax_output_int_move): Likewise.
6817 (vax_output_int_add): Likewise.
6818 (legitimate_constant_address_p): Likewise.
6819 (index_term_p): Likewise.
6820 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6821 * config/vax/vax.md (and<mode>3): Likewise.
6822 (ashrsi3): Likewise.
6824 (movstricthi): Likewise.
6825 (movstrictqi): Likewise.
6826 (rotrsi3): Likewise.
6827 (five unnamed insns): Likewise.
6829 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6831 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6832 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6833 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6834 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6835 Pass to ASM_OUTPUT_DWARF_OFFSET.
6836 * dwarf2out.c (debug_frame_section): New.
6837 (output_call_frame_info): Use debug_frame_section. Pass it to
6838 dw2_asm_output_offset.
6839 (output_die): Pass appropriate section to dw2_asm_output_offset.
6840 (output_compilation_unit_header): Likewise.
6841 (output_pubnames): Likewise.
6842 (output_aranges): Likewise.
6843 (enum dw_val_class): Break dw_val_class_lbl_offset into
6844 dw_val_class_lineptr and dw_val_class_macptr.
6845 (add_AT_lbl_offset): Delete.
6846 (add_AT_lineptr): New.
6847 (add_AT_macptr): New.
6848 (AT_lbl): Expect a lineptr or macptr.
6849 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6850 (attr_checksum): Likewise.
6851 (same_dw_val_p): Likewise.
6852 (size_of_die): Likewise.
6853 (value_format): Likewise.
6854 (output_die): Likewise.
6855 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6857 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6858 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6859 * config/darwin-protos.h (darwin_file_start): New.
6860 (darwin_asm_output_dwarf_offset): New.
6861 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6862 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6864 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6865 if not EH section; simplify.
6866 (darwin_file_start): New.
6867 (darwin_asm_output_dwarf_offset): New.
6868 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6870 (DEBUG_INFO_SECTION): Likewise.
6871 (DEBUG_ABBREV_SECTION): Likewise.
6872 (DEBUG_ARANGES_SECTION): Likewise.
6873 (DEBUG_MACINFO_SECTION): Likewise.
6874 (DEBUG_LINE_SECTION): Likewise.
6875 (DEBUG_LOC_SECTION): Likewise.
6876 (DEBUG_PUBNAMES_SECTION): Likewise.
6877 (DEBUG_STR_SECTION): Likewise.
6878 (DEBUG_RANGES_SECTION): Likewise.
6879 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6880 (ASM_OUTPUT_DWARF_OFFSET): New.
6882 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6884 * config.gcc (tm_defines): Always add to previous value rather
6887 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6889 * config/mips/predicates.md (splittable_const_int_operand): New,
6890 split from move_operand.
6891 (splittable_symbolic_operand): New.
6892 (move_operand): Add commentary. Use splittable_const_int_operand.
6893 Inline mips_atomic_symbolic_constant_p.
6894 * config/mips/mips.md: Add combine splitters for handling moves
6895 of splittable_const_int_operands and splittable_symbolic_operands.
6896 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6897 (mips_split_symbol): Declare.
6898 (mips_move_integer): Declare.
6899 * config/mips/mips.c (mips_split_p): Make global.
6900 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6901 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6902 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6903 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6904 (mips_offset_within_object_p): Handle block symbols.
6905 (mips_atomic_symbolic_constant_p): Delete.
6906 (mips_cannot_force_const_mem): Return false for constants that
6907 mips_legitimize_move can handle.
6908 (mips_use_blocks_for_constant_p): New function.
6909 (mips_split_symbol): Make global.
6910 (mips_move_integer): Likewise. Add a temporary register argument.
6911 (mips_legitimize_const_move): Use splittable_const_int_operand and
6912 splittable_symbolic_operand.
6913 (mips_use_anchors_for_symbol_p): New function.
6914 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6915 (mips_split_p): Declare.
6917 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6919 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6920 (mips*-*-linux*): Likewise.
6922 2006-03-16 Roger Sayle <roger@eyesopen.com>
6923 Daniel Speyer <dspeyer@wam.umd.edu>
6926 * tree-dump.c (dump_real): New function.
6927 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6928 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6929 (tree-dump.o): Add $(REAL_H) to the dependencies.
6931 2006-03-16 Roger Sayle <roger@eyesopen.com>
6934 * real.c (real_from_string): If the mantissa is zero, don't bother
6935 parsing the exponent as the result should always be zero.
6937 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6939 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6941 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6943 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6944 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6945 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6946 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6947 ia64_sched_finish_global): New static functions to implement
6948 hooks from gcc_target.sched.
6949 (spec_check_no, max_uid, pending_data_specs): New static variables.
6950 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6951 ia64_spec_check_src_p): New static functions.
6952 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6953 (TARGET_SCHED_ADJUST_COST): Removed.
6954 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6955 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6956 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6957 TARGET_SCHED_GEN_CHECK,
6958 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6959 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6960 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6961 Fixed to handle speculation checks.
6962 (rtx_needs_barrier): Fixed to handle speculative loads and
6964 (ia64_variable_issue): Added code to count speculative loads and their
6966 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6968 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6970 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6972 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6973 (ia64_reorg): Reset stops_p to NULL after it is freed.
6974 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6975 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6976 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6978 (data_speculative, control_speculative, check_load): New attributes.
6979 (mov<mode>_advanced, mov<mode>_speculative,
6980 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6981 zero_extend<mode>di2_speculative,
6982 zero_extend<mode>di2_speculative_advanced): New patterns for
6983 data and control speculative loads.
6984 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6986 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6987 New pattern for data and control speculation checks.
6988 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6989 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6990 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6991 Auxiliary definitions for the patterns.
6992 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6993 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6995 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6997 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6998 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6999 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7000 New resource constraints.
7001 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7003 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7004 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7005 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7006 msched-in-control-spec, msched-ldc, msched-control-ldc,
7007 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7008 msched-prefer-non-control-spec-insns,
7009 msched-count-spec-in-critical-path): New flags to tune speculative
7011 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7012 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7013 msched-in-control-spec, msched-ldc, msched-control-ldc,
7014 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7015 msched-prefer-non-control-spec-insns,
7016 msched-count-spec-in-critical-path): Document new flags.
7018 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7020 * target.h (struct spec_info_def): New opaque declaration.
7021 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7022 speculate_insn, needs_block_p, gen_check,
7023 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7024 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7025 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7026 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7027 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7028 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7030 (TARGET_SCHED): Use new macros.
7031 * rtl.h (copy_DEPS_LIST_list): New prototype.
7032 * sched-int.h (struct sched_info): Change signature of new_ready field,
7033 adjust all initializations. New fields: add_remove_insn,
7034 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7035 region_head_or_leaf_p.
7036 (struct spec_info_def): New structure declaration.
7037 (spec_info_t): New typedef.
7038 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7039 recovery_block, orig_pat.
7040 (glat_start, glat_end): New variables declaraions.
7041 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7043 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7044 DETACH_LIFE_INFO, USE_GLAT.
7045 (enum SPEC_SCHED_FLAGS): New enumeration.
7046 (NOTE_NOTE_BB_P): New macro.
7047 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7048 attach_life_info, debug_spec_status, check_reg_live): New functions.
7049 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7050 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7052 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7053 * ddg.c (get_block_head_tail): Adjust all uses.
7054 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7055 (sms_sched_info): Initialize new fields.
7056 (contributes_to_priority): Removed.
7057 * haifa-sched.c (params.h): New include.
7058 (get_block_head_tail): Adjust all uses.
7059 (ISSUE_POINTS): New macro.
7060 (glat_start, glat_end): New global variables.
7061 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7062 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7063 old_last_basic_block, before_recovery, current_sched_info_var,
7064 rgn_n_insns, luid): New static variables.
7065 (insn_cost1): New function. Move logic from insn_cost to here.
7066 (find_insn_reg_weight1): New function. Move logic from
7067 find_insn_reg_weight to here.
7068 (reemit_notes, move_insn, max_issue): Change signature.
7069 (move_insn1): Removed.
7070 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7071 extend_bb): New static functions to support extension of scheduler's
7073 (generate_recovery_code, process_insn_depend_be_in_spec,
7074 begin_speculative_block, add_to_speculative_block,
7075 init_before_recovery, create_recovery_block, create_check_block_twin,
7076 fix_recovery_deps): New static functions to support
7077 generation of recovery code.
7078 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7079 restore_bb_notes, move_block_after_check, move_succs): New static
7080 functions to support ebb scheduling.
7081 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7082 functions to support handling of register live information.
7083 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7084 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7085 add_jump_dependencies): New static functions.
7086 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7087 consistancy checking.
7088 (debug_spec_status): New function to call from debugger.
7089 (priority): Added code to handle speculation checks.
7090 (rank_for_schedule): Added code to distinguish speculative instructions.
7091 (schedule_insn): Added code to handle speculation checks.
7092 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7093 Fixed to handle ebbs.
7094 (move_insn): Added code to handle ebb scheduling.
7095 (max_issue): Added code to use ISSUE_POINTS of instructions.
7096 (choose_ready): Added code to choose between speculative and
7097 non-speculative instructions.
7098 (schedule_block): Added code to handle ebb scheduling and scheduling of
7099 speculative instructions.
7100 (sched_init): Initialize new variables.
7101 (sched_finish): Free new variables. Print statistics.
7102 (try_ready): Added code to handle speculative instructions.
7103 * lists.c (copy_DEPS_LIST_list): New function.
7104 * sched-deps.c (extend_dependency_caches): New function. Move logic
7105 from create_dependency_caches to here.
7106 (get_dep_weak, ds_merge): Make global.
7107 * genattr.c (main): Code to output prototype for
7108 dfa_clear_single_insn_cache.
7109 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7110 (output_dfa_clean_insn_cache_func): Code to output
7111 dfa_clear_single_insn_cache function.
7112 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7114 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7116 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7117 New static variables.
7118 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7119 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7121 (ebb_sched_info): Initialize new fields.
7122 (get_block_head_tail): Adjust all uses.
7123 (compute_jump_reg_dependencies): Fixed to use glat_start.
7124 (schedule_ebb): Code to remove unreachable last block.
7125 (schedule_ebbs): Added code to update register live information.
7126 * sched-rgn.c (region_sched_info): Initialize new fields.
7127 (get_block_head_tail): Adjust all uses.
7128 (last_was_jump): Removed. Adjust users.
7129 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7130 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7131 Implement new hooks.
7132 (check_dead_notes1): New static function.
7133 (struct region): New fields: dont_calc_deps, has_real_ebb.
7134 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7135 (BB_TO_BLOCK): Fixed to handle EBBs.
7136 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7137 (ebb_head): New static variable.
7138 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7139 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7141 (compute_dom_prob_ps): New assertion.
7142 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7143 global_live_at_start.
7144 (init_ready_list): New assertions.
7145 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7146 (new_ready): Add support for BEGIN_CONTROL speculation.
7147 (schedule_insns): Fixed code that updates register live information
7149 (schedule_region): Fixed to handle EBBs.
7150 (init_regions): Use extend_regions and check_dead_notes1.
7151 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7152 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7153 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7154 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7155 TARGET_SCHED_GEN_CHECK,
7156 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7157 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7158 * doc/invoke.texi (max-sched-insn-conflict-delay,
7159 sched-spec-prob-cutoff): Document.
7161 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7163 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7164 inter_tick, queue_index.
7165 (struct sched_info): Change signature of init_ready_list field.
7166 Adjust all initializations.
7167 (RESOLVED_DEPS): New access macro.
7168 (ready_add): Remove prototype.
7169 (try_ready): Add prototype.
7170 * sched-rgn.c (init_ready_list): Use try_ready.
7171 (schedule_region): Initialize
7172 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7173 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7174 (init_ready_list): Use try_ready.
7175 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7176 * lists.c (remove_list_elem): Remove `static'.
7177 (remove_free_INSN_LIST_elem): New function.
7178 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7179 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7180 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7182 (readyp): New variable.
7183 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7184 change_queue_index, resolve_dep): New static functions.
7185 (try_ready): New function. Adjust callers in sched-rgn.c and
7186 sched-ebb.c to use it instead of ready_add.
7187 (clock_var): Move at the begining of file.
7188 (rank_for_schedule): Fix typo.
7189 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7190 (ready_lastpos): Enforce assertion.
7191 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7193 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7194 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7195 (queue_to_ready): Use free_INSN_LIST_list.
7196 (early_queue_to_ready): Fix typo.
7197 (schedule_block): Init readyp. Move init_ready_list call after the
7198 initialization of clock_var. Fix error in rejecting insn by
7199 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7200 that previously corrected INSN_TICKs. Add code for handling
7202 (set_priorities): Fix typo.
7203 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7204 Clarify comment and code that keeps current_sched_info->next_tail
7207 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7209 * sched-rgn.c (extend_rgns): New static function.
7210 (find_rgns): Use it.
7211 (gather_region_statistics, print_region_statistics): New static
7213 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7214 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7216 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7217 Andrey Belevantsev <abel@ispras.ru>
7219 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7220 * lists.c (unused_deps_list): New variable.
7221 (free_list): Add assertions to verify the proper distinguishing
7222 between INSN_LISTs and DEPS_LISTs.
7223 (find_list_elem, remove_list_elem, remove_list_node): New static
7225 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7226 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7227 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7228 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7230 (free_INSN_LIST_node): Likewise.
7231 * modulo-sched.c (current_sched_info): Initialize flags field.
7232 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7233 * rtl.def (DEPS_LIST): Define.
7234 * rtl.h: Declare new functions from lists.c.
7235 * sched-deps.c (spec_dependency_cache): New static variable.
7236 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7237 (add_dependence): Change return type to void. Move the logic to ...
7238 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7239 (delete_all_dependences): Add comment about forward_dependency_cache.
7240 Handle spec_dependency_cache. Handle DEPS_LISTs.
7241 (fixup_sched_groups): Clarify the change of priority of output
7242 and anti dependencies.
7243 (sched_analyze_2): Adjust add_dependence calls to create data
7244 speculative dependence.
7245 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7246 Adjust all callers. Handle DEPS_LISTS.
7247 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7248 presence of speculation.
7249 (init_dependency_caches, free_dependency_caches):
7250 Handle spec_dependency_cache.
7251 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7252 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7253 New static functions.
7254 (add_or_update_back_dep, add_or_update_back_forw_dep,
7255 add_back_forw_dep, delete_back_forw_dep): New functions.
7256 * sched-int.h (ds_t, dw_t): New typedefs.
7257 (struct sched_info): Add new field flags.
7258 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7259 Prototype new sched-deps.c functions.
7260 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7261 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7262 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7263 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7264 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7265 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7267 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7269 * sched-rgn.c (current_sched_info): Initialize flags field.
7270 (schedule_insns): Initialize current_sched_info before the sched_init
7272 * sched-ebb.c (current_sched_info): Initialize flags field.
7273 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7274 Call add_or_update_back_dep instead of add_dependence.
7275 Create control speculative dependencies.
7276 (schedule_insns): Initialize current_sched_info before the sched_init
7279 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7281 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7283 (sh_fallback_frame_state): Likewise.
7285 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7287 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7288 Do switch on default_use_cxa_atexit.
7289 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7290 * config/darwin-crt3.o: New.
7291 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7292 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7293 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7295 * config/rs6000/t-darwin: Move crt2.o building to here.
7296 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7297 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7300 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7302 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7303 from '! xxx' to '!xxx' for coding-style conformance.
7304 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7305 (EXTRA_CONSTRAINT): Likewise.
7306 * config/vax/vax.md (four unnamed insns): Likewise.
7308 2006-03-15 Paul Brook <paul@codesourcery.com>
7310 * config/arm/arm.c (minipool_pad): New.
7311 (add_minipool_forward_ref): Include pool alignment padding in address
7313 (push_minipool_fix): Set minipool_pad.
7314 (minipool_pad): Ditto.
7316 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7318 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7319 instead of GET_CODE() == MEM and REG_P() instead of
7321 (print_operand_address): Likewise.
7322 (vax_address_cost): Likewise.
7323 (vax_rtx_costs): Likewise.
7324 (vax_notice_update_cc): Likewise.
7325 (vax_output_int_add): Likewise.
7326 (INDEX_REGISTER_P): Likewise.
7327 (BASE_REGISTER_P): Likewise.
7328 (nonindexed_address_p): Likewise.
7329 (vax_mode_dependent_address_p): Likewise.
7330 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7331 (PRINT_OPERAND): Likewise.
7332 * config/vax/vax.md (ashlsi3): Likewise.
7333 (ashlsi3): Likewise.
7334 (some more unnamed insns): Likewise.
7336 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7338 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7339 iterator-style macro.
7340 (mark_control_dependent_edges_necessary): Update the use of
7341 EXECUTE_IF_CONTROL_DEPENDENT.
7343 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7345 * config/sh/predicates.md (cache_address_operand): Special.
7346 (ua_address_operand): Likewise.
7348 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7350 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7352 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7354 2006-03-15 Andreas Schwab <schwab@suse.de>
7356 * gensupport.c (identify_predicable_attribute): Don't free p_false
7357 when it is still in use.
7359 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7361 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7362 the default setting here.
7364 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7366 * tree-pass.h (pass_cfg): Remove.
7367 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7368 * passes.c (pass_cfg): Don't run it.
7370 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7372 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7373 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7375 (stack_regs_mentioned): Update the uses of
7376 stack_regs_mentioned_data. Don't access the array beyond its
7378 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7379 Don't include gt-reg-stack.h.
7381 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7382 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7384 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7387 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7390 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7392 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7394 2006-03-14 Richard Guenther <rguenther@suse.de>
7396 PR tree-optimization/26672
7397 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7400 2006-03-14 Richard Guenther <rguenther@suse.de>
7402 PR tree-optimization/26667
7403 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7404 node for the callees. Always allow inlining if it will shrink
7407 2006-03-14 Richard Guenther <rguenther@suse.de>
7410 * builtins.c (get_pointer_alignment): Prefer alignment
7411 information from decls over that from types.
7413 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7416 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7418 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7420 * config/rs6000/rs6000.opt (mdlmzb): New option.
7421 (msched-prolog, msched-epilog): Use Var not Mask.
7422 * doc/invoke.texi (-mdlmzb): Document.
7423 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7425 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7426 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7428 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7430 PR rtl-optimization/25739
7431 * bt-load.c (augment_live_range): Free tos pointer.
7433 * gensupport.c (identify_predicable_attribute): Free
7435 * gcov.c (create_file_names): Free name pointer.
7437 2006-03-13 Roger Sayle <roger@eyesopen.com>
7440 * stmt.c (emit_case_nodes): Handle the case where the index is a
7441 CONST_INT, where the comparison mode is specified by the index type.
7443 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7445 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7448 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7450 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7451 (*branch_fp_inverted): Likewise.
7453 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7456 * omp-low.c (expand_omp_for_generic): Mark istart0
7457 and iend0 as addressable.
7459 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7461 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7463 2006-03-13 Jeff Law <law@redhat.com>
7465 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7466 virtual operands are interesting.
7467 (vrp_visit_stmt): Corresponding changes.
7469 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7471 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7473 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7474 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7475 * config/bfin/crti.S: Use it instead of __PIC__.
7476 * config/bfin/crtn.S: Likewise.
7478 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7479 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7481 Lose 'G' modifier for call operand.
7482 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7483 recognize 'G' modifier.
7485 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7488 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7489 * stmt.c (expand_case): Likewise.
7491 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7493 PR rtl-optimization/26254
7494 * loop-invariant.c (seq_insns_valid_p): New function.
7495 (move_invariant_reg): Only emit new code if it is valid.
7497 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7499 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7501 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7502 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7503 (commit_one_edge_insertion): Do not look for loop notes.
7505 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7507 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7508 flag_test_coverage out of loop.
7510 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7512 * final.c (shorten_branches): Remove outdated comment, and turn
7513 the if branch that guards it to continue.
7515 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7517 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7518 * cfgloop.h (struct loop): Remove unused fields.
7520 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7522 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7523 (-dL, -fdump-rtl-loop2): Update the dump file names
7525 * doc/invoke.texi: Update dump file names.
7527 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7529 * predict.c (estimate_probability): Remove.
7530 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7531 * basic-block.h (estimate_probability): Remove prototype.
7532 * passes.c (finish_optimization_passes): Dump branch prediction or
7533 profiling heuristics to the .profile tree dump.
7534 (init_optimization_passes): Unqueue pass_branch_prob.
7536 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7538 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7540 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7541 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7543 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7545 * function.h (frame_offset_overflow): Declare.
7546 * function.c (frame_offset_overflow): New function.
7547 (assign_stack_local_1): Call it to detect that the offset overflows.
7548 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7550 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7552 * config/sh/sh.c: Include alloc-pool.h.
7553 (label_ref_list_pool): New alloc pool.
7554 (label_ref_list_t): New type for lists of labels.
7555 (struct pool_node): Make wend a label_ref_list_t.
7556 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7558 (dump_table): Likewise.
7559 (sh_reorg): Set up the alloc pool before using add_constant and
7560 dump_table, and destroy it when finishing.
7562 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7564 * config/mips/mips.c: Remove redundant comment.
7566 2006-03-10 Jason Merrill <jason@redhat.com>
7569 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7570 the target was declared 'register'.
7572 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7574 * genpreds.c (write_insn_constraint_len): Change definition of
7575 insn_constraint_len to return size_t to match the declaration.
7577 2006-03-10 DJ Delorie <dj@redhat.com>
7579 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7581 (m32c_expand_insv): Fix test for an AND mask.
7583 2006-03-10 Richard Guenther <rguenther@suse.de>
7586 * builtins.c (get_pointer_alignment): Handle component
7587 references for field alignment.
7589 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7591 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7592 when building with libgloss.
7593 (sh*elf): Implement --without-fp option.
7594 (sh64-superh-linux*): Don't multilib.
7596 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7598 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7600 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7602 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7603 Set it when one of the replacement functions returned true.
7604 Return TODO_cleanup_cfg if cfgchanged is true.
7605 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7607 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7609 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7610 instead of gen_lowpart.
7612 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7614 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7616 (mips_output_order_conditional_branch): Declare.
7617 * config/mips/mips.h (MIPS_BRANCH): New macro.
7618 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7619 for the comparison. Use gen_condjump.
7620 (mips_output_conditional_branch): Rework interface to take the
7621 asm templates for a direct branch and the inverse of a direct branch.
7622 (mips_output_order_conditional_branch): New function.
7623 (mips_builtin_branch_and_move): New function.
7624 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7625 branch condition. Use gen_single_cc as the condition for
7626 __builtin_mips_upper_* or __builtin_mips_lower_*.
7627 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7628 Use VOIDmode for the branch condition.
7629 * config/mips/predicates.md (order_operator): New predicate.
7630 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7631 (branch_fp): Rename to...
7632 (*branch_fp): ...this. Remove mode from comparison operator.
7633 Use new mips_output_conditional_branch interface.
7634 (branch_fp_inverted): Rename to...
7635 (*branch_fp_inverted): ...this and update as for *branch_fp.
7636 (*branch_zero<mode>): Rename to...
7637 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7638 Use mips_output_order_conditional_branch. Only accept ordered
7640 (*branch_zero<mode>_inverted): Rename to...
7641 (*branch_order<mode>_inverted): ...this and update as for
7642 *branch_order<mode>.
7643 (*branch_equality<mode>): Accept zero as the second operand to
7644 the equality operator. Use the new mips_output_conditional_branch
7646 (*branch_equality<mode>_inverted): Likewise.
7647 (condjump): New expander.
7648 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7650 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7651 (bc1any2t, bc1any2f): Likewise.
7652 (single_cc): New expander.
7653 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7655 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7657 * doc/md.texi: Update documentation of MIPS constraints.
7658 * config/mips/constraints.md: New file.
7659 * config/mips/mips.md: Include it.
7660 * config/mips/mips.c (mips_char_to_class): Delete.
7661 (override_options): Don't initialize mips_char_to_class.
7662 * config/mips/mips.h (mips_char_to_class): Delete.
7663 (REG_CLASS_FROM_LETTER): Delete.
7664 (CONST_OK_FOR_LETTER_P): Delete.
7665 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7666 (EXTRA_CONSTRAINT_Y): Delete.
7667 (EXTRA_CONSTRAINT_STR): Delete.
7668 (CONSTRAINT_LEN): Delete.
7669 (EXTRA_MEMORY_CONSTRAINT): Delete.
7671 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7673 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7674 original fn's eh regions.
7676 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7678 * fold-const.c (build_range_check): Make sure to use a valid type to
7679 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7682 (range_predecessor): New static function.
7683 (range_successor): Likewise.
7684 (merge_ranges): Use them to compute predecessors and successors of
7687 2006-03-09 Roger Sayle <roger@eyesopen.com>
7690 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7691 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7693 2006-03-08 DJ Delorie <dj@redhat.com>
7695 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7696 (addpsi3): Expand to include memory operands. Remove
7697 reload-specific splits.
7698 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7699 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7700 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7701 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7702 (shift1_qi, shift1_hi, insv): New.
7703 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7704 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7705 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7707 * config/m32c/m32c-protos.h: Update as needed.
7708 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7709 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7710 Fail for unrecognized R* constraints.
7711 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7712 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7713 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7715 (m32c_init_libfuncs): New.
7716 (m32c_legitimate_address_p): Add debug wrapper.
7717 (m32c_rtx_costs): New.
7718 (m32c_address_cost): New.
7719 (conversions): Add 'B' prefix.
7720 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7721 operands, or word regnames for QI operands. 'B' prints bit
7723 (m32c_expand_setmemhi): New.
7724 (m32c_expand_movmemhi): New.
7725 (m32c_expand_movstr): New.
7726 (m32c_expand_cmpstr): New.
7727 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7728 (m32c_expand_neg_mulpsi3): Handle non-ints.
7729 (m32c_cmp_flg_0): New.
7730 (m32c_expand_movcc): New.
7731 (m32c_expand_insv): New.
7732 (m32c_scc_pattern): New.
7733 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7734 a0/a1 out of SIregs.
7735 (STORE_FLAG_VALUE): New.
7736 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7739 * config/m32c/mov.md: Make constraints more liberal.
7740 (zero_extendqihi2): Optimize r0/r1 case.
7741 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7742 * config/m32c/predicates.md (m32c_any_operand): New.
7743 (m32c_nonimmediate_operand): New.
7744 (m32c_hl_operand): New.
7745 (m32c_r3_operand): New.
7748 (memsym_operand): New.
7749 (memimmed_operand): New.
7750 (a_qi_operand): New.
7751 (m32c_eqne_operator): New.
7752 (m32c_1bit8_operand): New.
7753 (m32c_1bit16_operand): New.
7754 (m32c_1mask8_operand): New.
7755 (m32c_1mask16_operand): New.
7756 * config/m32c/blkmov.md: New file.
7757 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7759 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7761 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7762 unsigned to fix signed/unsigned comparison issue in
7763 DWARF2_FRAME_REG_OUT.
7764 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7765 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7767 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7768 of ptr into the ENABLE_CHECKING section.
7770 2006-03-08 Jeff Law <law@redhat.com>
7772 * tree-vrp.c (infer_value_range): Only count pointer uses
7773 and dereferences if -fdelete-null-pointer-checks is enabled.
7775 * tree-vrp.c (find_assert_locations): Infer value ranges for
7776 single use pointers, but do not create ASSERT_EXPRs for them.
7777 When a non-null range is inferred for a pointer, backwards
7778 propagate that range to other equivalent pointers through the
7781 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7784 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7785 language hook targets.
7786 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7787 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7788 if language hook targets were missing.
7790 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7792 * tree-ssa-opfinalize.h: Removed.
7793 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7795 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7796 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7797 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7798 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7799 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7800 finalize_ssa_v_must_def_ops): New.
7802 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7804 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7807 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7809 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7811 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7812 addresses with offsets; reorganize.
7814 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7815 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7816 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7818 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7821 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7823 2006-03-08 Ben Elliston <bje@au.ibm.com>
7825 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7827 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7830 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7833 2006-03-07 Richard Guenther <rguenther@suse.de>
7835 PR tree-optimization/26587
7836 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7838 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7840 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7842 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7844 * hooks.c (hook_bool_mode_rtx_true): New function.
7845 * hooks.h (hook_bool_mode_rtx_true): Declare.
7846 * toplev.c (compile_file): Call output_shared_constant_pool.
7847 * varasm.c (shared_constant_pool): New variable.
7848 (assemble_start_function, assemble_end_function): Remove arguments
7849 from call to output_constant_pool.
7850 (create_constant_pool): New function, split out from...
7851 (init_varasm_status): ...here.
7852 (force_const_mem): Choose between the shared and per-function constant
7853 pools. Set current_function_uses_const_pool when reusing old entries
7854 as well as when creating new ones.
7855 (mark_constant): Ignore data argument.
7856 (mark_constants): Remove pool argument.
7857 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7858 to decide whether the function uses a constant pool.
7859 (output_constant_pool_contents): New function, split out from...
7860 (output_constant_pool): ...here.
7861 (output_shared_constant_pool): New function.
7862 (init_varasm_once): Initialize shared_constant_pool.
7863 * output.h (output_constant_pool): Delete.
7864 (output_shared_constant_pool): Declare.
7865 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7866 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7868 2006-03-06 Nick Clifton <nickc@redhat.com>
7870 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7871 flag_strength_reduce.
7873 2006-03-06 Ben Elliston <bje@au.ibm.com>
7875 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7876 x86_64-*-linux* configurations.
7878 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7879 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7881 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7883 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7885 * basic-block.h: Remove the extern for
7886 rediscover_loops_after_threading.
7888 * cfgloop.c (cancel_loop): Make it static.
7889 * cfgloop.h: Remove the prototype for cancel_loop.
7891 * flow.c (recompute_reg_usage): Make it static.
7892 * rtl.h: Remove the prototype for recompute_reg_usage.
7894 * function.c (use_return_register): Make it static.
7895 * function.h: Remove the prototype.
7897 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7899 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7901 * recog.h: Remove the prototype for
7902 validate_change_maybe_volatile.
7904 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7906 * rtlanal.c (replace_reg): Remove.
7907 * rtl.h: Remove the prototype for replace_reg.
7909 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7911 * regclass.c (reg_scan_update): Remove.
7912 (reg_scan_mark_refs): Remove the last argument.
7913 * rtl.h: Remove the prototype for reg_scan_update.
7915 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7917 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7918 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7919 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7920 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7921 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7922 loop-invariant.c, omp-low.c, opts.c, passes.c,
7923 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7924 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7925 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7926 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7927 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7928 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7930 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7932 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7933 * dwarf2out.h: Remove the prototype for
7934 dwarf2out_add_library_unit_info.
7936 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7938 * tree.c (add_var_to_bind_expr): Remove.
7939 * tree.h: Remove the prototype for add_var_to_bind_expr.
7941 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7943 * regclass.c (n_non_fixed_regs): Remove.
7944 (init_reg_sets_1, globalize_reg): Remove all uses of
7946 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7948 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7950 * rtlanal.c (insns_safe_to_move_p): Remove.
7951 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7953 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7955 * expmed.c (expand_mult_add): Remove.
7956 * expr.h: Remove the prototype for expand_mult_add.
7958 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7960 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7961 and REG_SAVED_VAL_EXP constants.
7962 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7963 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7964 Handle regs stored by value.
7965 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7966 (execute_cfa_program): Handle DW_CFA_val_offset,
7967 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7968 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7969 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7970 (uw_install_context_1): Handle target regs stored by value.
7972 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7974 * tree-sra.c (tree_sra): Return todoflags;
7975 (generate_one_element): Set TODO_update_smt_usage if needed.
7976 (pass_sra): Remove TODO_update_smt_usage.
7977 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7979 (tree_ssa_forward_propagate_single_use_vars): Return
7980 TODO_update_smt_usage if we need to update SMT usage.
7981 (pass_forwprop): Remove TODO_update_smt_usage.
7983 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7985 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7986 (correct_use_link): Remove reference to get_stmt_operands.
7987 (update_stmt_operands): Likewise.
7988 (get_modify_expr_operands): New function factored out of
7989 parse_ssa_operands and get_expr_operands.
7990 Try to create V_MUST_DEFs for LHS by default.
7991 (get_expr_operands) <case MODIFY_EXPR>: Call
7992 get_modify_expr_operands.
7993 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7994 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7995 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7996 get_modify_expr_operands.
7998 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8000 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8001 * tree-flow.h: Remove the prototype for
8002 referenced_var_lookup_if_exists.
8004 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8006 PR rtl-optimization/26345
8008 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8010 2006-03-03 Roger Sayle <roger@eyesopen.com>
8012 PR tree-optimization/26524
8013 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8014 fold_convert to create a constant of the appropriate type.
8016 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8018 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8019 SYMBOL_REF_IN_BLOCK_P.
8020 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8021 of SYMBOL_FLAG_IN_BLOCK.
8022 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8023 instead of SYMBOL_REF_IN_BLOCK_P.
8024 * explow.c (use_anchored_address): Likewise.
8025 * rtl.c (rtx_size): Likewise.
8026 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8027 instead of SYMBOL_FLAG_IN_BLOCK.
8028 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8029 SYMBOL_REF_IN_BLOCK_P.
8030 (assemble_variable): Likewise.
8031 (output_constant_def_contents): Likewise.
8032 (output_constant_pool): Likewise.
8033 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8034 instead of SYMBOL_FLAG_IN_BLOCK.
8035 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8036 SYMBOL_REF_IN_BLOCK_P.
8037 (SYMBOL_REF_BLOCK): Likewise.
8038 (SYMBOL_REF_OFFSET): Likewise.
8039 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8040 SYMBOL_REF_IN_BLOCK_P.
8041 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8042 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8043 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8044 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8046 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8048 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8050 2006-03-02 Roger Sayle <roger@eyesopen.com>
8052 * simplify-rtx.c (simplify_unary_operation): When simplifying
8053 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8054 that we perform the right shift in the appropriate mode, and
8055 then extend or truncate the result to requested mode.
8057 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8059 * gengtype.c (main): Handle double_int type.
8060 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8061 * double-int.c: New file.
8062 * double-int.h: New file.
8063 * system.h: Include doubleint.h.
8064 * Makefile.in (SYSTEM_H): Include double-int.h.
8065 (double-int.o): Add.
8067 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8070 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8073 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8075 * tree-vrp.c (remove_range_assertions): Do not update statements
8078 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8080 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8082 * gcse.c (rest_of_handle_gcse): Ditto.
8083 * except.c (gate_handle_eh): Ditto.
8084 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8085 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8087 2006-03-02 Eric Christopher <echristo@apple.com>
8089 * config/i386/i386.c (machopic_output_stub): Add indirection to
8092 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8096 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8098 Sun Niagara specific optimizations.
8099 * config.gcc: Recognize niagara as target.
8100 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8101 (TARGET_CPU_niagara): Define.
8102 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8103 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8104 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8105 (ASM_CPU_SPEC): Likewise.
8106 (PROCESSOR_NIAGARA): New enum entry.
8107 (REGISTER_MOVE_COST): Handle Niagara.
8108 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8109 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8110 (sparc_override_options): Recognize "niagara", set appropriate
8111 default MASK_* values for it, and align functions to 32-bytes
8112 by default just like ULTRASPARC/ULTRASPARC3.
8113 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8114 (sparc64_initialize_trampoline): Likewise.
8115 (sparc_use_sched_lookahead): Use zero for niagara.
8116 (sparc_issue_rate): Use one for niagara.
8117 * config/sparc/niagara.md: New file.
8118 * config/sparc/sparc.md: Include it.
8119 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8120 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8121 when default cpu is niagara.
8122 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8123 (ASM_CPU_SPEC): Likewise.
8124 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8125 when default cpu is niagara.
8126 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8127 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8128 just like v9/ultrasparc/ultrasparc3.
8129 * doc/invoke.texi: Add documentation for "niagara" and improve
8130 existing documentation for ultrasparc variants.
8132 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8134 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8136 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8138 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8139 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8140 and say that only one is needed.
8141 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8142 * target.h (have_switchable_bss_sections): New hook.
8143 * explow.c (use_anchored_address): Check that the symbol is in a block.
8144 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8145 (bss_noswitch_section): New variables.
8146 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8147 (get_noswitch_section): New function.
8148 (get_block_for_section): Allow SECT to be null.
8149 (unlikely_text_section_p): Use SECTION_STYLE.
8150 (bss_initializer_p): New function.
8151 (get_variable_section): Move earlier in file. Take a new argument,
8152 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8153 Return one of the new *_sections in such cases.
8154 (get_block_for_decl): New function, extracting some logic from
8155 use_blocks_for_decl_p.
8156 (change_symbol_section): Remove in favor of...
8157 (change_symbol_block): ...this new function.
8158 (use_blocks_for_decl_p): Remove checks now performed by
8160 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8161 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8162 (emit_local, emit_bss, emit_common): ...these new functions.
8163 Return true if the alignment was honored.
8164 (emit_tls_common): New function.
8165 (asm_emit_uninitialised): Delete.
8166 (assemble_variable_noswitch): New function, split out from...
8167 (assemble_variable): ...here. Don't make decisions about common
8168 variables here. Globalize all public decls that go into non-common
8169 sections. Check whether SYMBOL_REF_BLOCK is null.
8170 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8171 (output_constant_pool): Likewise.
8172 (init_varasm_once): Initialize the new section variables.
8173 (have_global_bss_p): New function.
8174 (categorize_decl_for_section): Use bss_initializer_p.
8175 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8176 (place_block_symbol): Assert that the symbol must be in a block.
8177 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8178 (TARGET_INITIALIZER): Include it.
8179 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8180 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8181 (SECTION_MACH_DEP): Bump by two.
8182 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8183 (unnamed_section): Mention SECTION_UNNAMED in comment.
8184 (named_section): Likewise SECTION_NAMED.
8185 (noswitch_section_callback): New type.
8186 (noswitch_section): New structure.
8187 (section): Add a noswitch_section alternative.
8188 (SECTION_STYLE): New macro.
8189 (tls_comm_section, comm_section, lcomm_section): Declare.
8190 (bss_noswitch_section, have_global_bss_p): Declare.
8191 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8192 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8194 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8195 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8198 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8200 * tree-vrp.c (execute_vrp): Return value.
8201 * regrename.c (rest_of_handle_regrename): Ditto.
8202 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8203 * tree-complex.c (tree_lower_complex): Ditto.
8204 (tree_lower_complex_O0): Ditto.
8205 * tracer.c (rest_of_handle_tracer): Ditto.
8206 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8207 * postreload.c (rest_of_handle_postreload): Ditto.
8208 * tree-tailcall.c (execute_tail_recursion): Ditto.
8209 (execute_tail_calls): Ditto.
8210 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8211 * tree.h (init_function_for_compilation): Ditto.
8212 * ipa-cp.c (ipcp_driver): Ditto.
8213 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8214 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8215 * final.c (compute_alignments): Ditto.
8216 (rest_of_handle_final): Ditto.
8217 (rest_of_handle_shorten_branches): Ditto.
8218 (rest_of_clean_state): Ditto.
8219 * omp-low.c (execute_expand_omp): Ditto.
8220 (execute_lower_omp): Ditto.
8221 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8222 * ipa-reference.c (static_execute): Ditto.
8223 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8224 * reorg.c (rest_of_handle_delay_slots): Ditto.
8225 (rest_of_handle_machine_reorg): Ditto.
8226 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8227 * flow.c (recompute_reg_usage): Ditto.
8228 (rest_of_handle_remove_death_notes): Ditto.
8229 (rest_of_handle_life): Ditto.
8230 (rest_of_handle_flow2): Ditto.
8231 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8232 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8233 (do_ssa_store_ccp): Ditto.
8234 (execute_fold_all_builtins): Ditto.
8235 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8236 * modulo-sched.c (rest_of_handle_sms): Ditto.
8237 * ipa-pure-const.c (static_execute): Ditto.
8238 * cse.c (rest_of_handle_cse): Ditto.
8239 (rest_of_handle_cse2): Ditto.
8240 * web.c (rest_of_handle_web): Ditto.
8241 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8242 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8243 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8244 * tree-nrv.c (tree_nrv): Ditto.
8245 (execute_return_slot_opt): Ditto.
8246 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8247 (create_structure_vars): Ditto.
8248 * loop-init.c (rtl_loop_init): Ditto.
8249 (rtl_loop_done): Ditto.
8250 (rtl_move_loop_invariants): Ditto.
8251 (rtl_unswitch): Ditto.
8252 (rtl_unroll_and_peel_loops): Ditto.
8253 (rtl_doloop): Ditto.
8254 * gimple-low.c (lower_function_body): Ditto.
8255 (mark_used_blocks): Ditto.
8256 * tree-ssa-sink.c (execute_sink_code): Ditto.
8257 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8258 (cgraph_early_inlining): Ditto.
8259 * global.c (rest_of_handle_global_alloc): Ditto.
8260 * jump.c (cleanup_barriers): Ditto.
8261 (purge_line_number_notes): Ditto.
8262 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8263 (rest_of_handle_if_after_reload): Ditto.
8264 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8265 (tree_ssa_loop_im): Ditto.
8266 (tree_ssa_loop_unswitch): Ditto.
8267 (tree_vectorize): Ditto.
8268 (tree_linear_transform): Ditto.
8269 (tree_ssa_loop_ivcanon): Ditto.
8270 (tree_ssa_empty_loop): Ditto.
8271 (tree_ssa_loop_bounds): Ditto.
8272 (tree_complete_unroll): Ditto.
8273 (tree_ssa_loop_prefetch): Ditto.
8274 (tree_ssa_loop_ivopts): Ditto.
8275 (tree_ssa_loop_done): Ditto.
8276 * predict.c (tree_estimate_probability): Ditto.
8277 * recog.c (split_all_insns_noflow): Ditto.
8278 (rest_of_handle_peephole2): Ditto.
8279 (rest_of_handle_split_all_insns): Ditto.
8280 * tree-eh.c (lower_eh_constructs): Ditto.
8281 * regmove.c (rest_of_handle_regmove): Ditto.
8282 (rest_of_handle_stack_adjustments): Ditto.
8283 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8284 * function.c (instantiate_virtual_regs): Ditto.
8285 (init_function_for_compilation): Ditto.
8286 (rest_of_handle_check_leaf_regs): Ditto.
8287 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8288 (rest_of_handle_gcse): Ditto.
8289 * ipa-type-escape.c (type_escape_execute): Ditto.
8290 * alias.c (rest_of_handle_cfg): Ditto.
8291 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8292 * profile.c (rest_of_handle_branch_prob): Ditto.
8293 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8294 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8295 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8296 * tree-dfa.c (find_referenced_vars): Ditto.
8297 * except.c (set_nothrow_function_flags): Ditto.
8298 (convert_to_eh_region_ranges): Ditto.
8299 (rest_of_handle_eh): Ditto.
8300 * emit-rtl.c (unshare_all_rtl): Ditto.
8301 (remove_unnecessary_notes): Ditto.
8302 * except.h (set_nothrow_function_flags): Ditto.
8303 (convert_to_eh_region_ranges): Ditto.
8304 * cfgexpand.c (tree_expand_cfg): Ditto.
8305 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8306 * tree-ssa-pre.c (do_pre): Ditto.
8307 (execute_fre): Ditto.
8308 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8309 (rest_of_handle_jump2): Ditto.
8310 * tree-sra.c (tree_sra): Ditto.
8311 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8312 (execute_mudflap_function_decls): Ditto.
8313 * tree-ssa-copy.c (do_copy_prop): Ditto.
8314 (do_store_copy_prop): Ditto.
8315 * ipa-prop.h (ipcp_driver): Ditto.
8316 * cfglayout.c (insn_locators_initialize): Ditto.
8317 * tree-ssa-forwprop.c
8318 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8319 * cfglayout.h (insn_locators_initialize): Ditto.
8320 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8321 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8322 (execute_late_warn_uninitialized): Ditto.
8323 * rtl.h (cleanup_barriers): Ditto.
8324 (split_all_insns_noflow): Ditto.
8325 (purge_line_number_notes): Ditto.
8326 (unshare_all_rtl): Ditto.
8327 (remove_unnecessary_notes): Ditto.
8328 (recompute_reg_usage): Ditto.
8329 (variable_tracking_main): Ditto.
8330 * integrate.c (emit_initial_value_sets): Ditto.
8331 * integrate.h (emit_initial_value_sets): Ditto.
8332 * tree-optimize.c (execute_free_datastructures): Ditto
8333 (execute_free_cfg_annotations): Ditto.
8334 (execute_fixup_cfg): Ditto.
8335 (execute_cleanup_cfg_pre_ipa): Ditto.
8336 (execute_cleanup_cfg_post_optimizing): Ditto.
8337 (execute_init_datastructures): Ditto.
8338 * tree-object-size.c (compute_object_sizes): Ditto.
8339 * combine.c (rest_of_handle_combine): Ditto.
8340 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8341 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8342 (rest_of_handle_reorder_blocks): Ditto.
8343 (rest_of_handle_partition_blocks): Ditto.
8344 * var-tracking.c (variable_tracking_main): Ditto.
8345 * tree-profile.c (tree_profiling): Ditto.
8346 * tree-vect-generic.c (expand_vector_operations): Ditto.
8347 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8348 * sched-rgn.c (rest_of_handle_sched): Ditto.
8349 (rest_of_handle_sched2): Ditto.
8350 * basic-block.h (free_bb_insn): Ditto.
8351 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8352 * tree-cfg.c (execute_build_cfg): Ditto.
8353 (remove_useless_stmts): Ditto.
8354 (split_critical_edges): Ditto.
8355 (execute_warn_function_return): Ditto.
8356 (execute_warn_function_noreturn): Ditto.
8357 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8358 * cfgrtl.c (free_bb_for_insn): Ditto.
8359 * passes.c (execute_one_pass): Run additional
8360 todos returned by execute function.
8361 * tree-pass.h (struct tree_opt_pass): Make execute
8364 2006-03-02 Richard Guenther <rguenther@suse.de>
8366 * tree-ssa-alias.c (find_used_portions): Consider taking
8367 the address as making the variable not write-only.
8369 2006-03-02 Nick Clifton <nickc@redhat.com>
8371 * config.gcc (default_use_cxa_atexit): Extend the description of
8372 this configure variable. Set its default value to "yes" for
8373 Linux, NetBSD and ELF targets on the assumption that they will
8374 use C libraries with the __cxa_atexit function.
8376 2006-03-02 Ben Elliston <bje@au.ibm.com>
8378 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8379 parameter as unused to suppress a build warning.
8381 2006-03-02 Ben Elliston <bje@au.ibm.com>
8383 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8386 2006-03-01 Roger Sayle <roger@eyesopen.com>
8389 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8390 declared name, the weak reference name, and the typeof name.
8391 (__gthrw): Avoid expanding the declared name suffix.
8392 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8394 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8396 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8398 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8399 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8400 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8401 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8402 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8403 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8404 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8405 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8406 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8407 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8408 (DW_END_default, DW_END_big, DW_END_little): New.
8409 (DW_END_lo_user, DW_END_hi_user): Define.
8410 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8411 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8412 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8415 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8417 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8419 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8421 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8423 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8425 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8426 to 'symbol_mem_tag'.
8428 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8431 2006-03-01 Roger Sayle <roger@eyesopen.com>
8433 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8435 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8438 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8439 MACHO_DYNAMIC_NO_PIC_P.
8440 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8442 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8445 * config/darwin-protos.h (darwin_asm_output_anchor):
8447 * config/darwin-sections.def (cstring_section):
8448 Add SECTION_MERGE to the flags.
8449 (literal4_section): Likewise.
8450 (literal8_section): Likewise.
8451 (objc_selector_refs_section): Likewise.
8452 (objc_cls_refs_section): Likewise.
8453 * config/darwin.c (darwin_asm_output_anchor): New
8455 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8457 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8459 Fix PR tree-optimization/26443
8460 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8461 to todo and PROP_tmt_usage to properties_destroyed.
8462 * tree-ssa-ccp.c (pass_ccp): Ditto.
8463 (pass_store_ccp): Ditto.
8464 * tree-ssa-dom.c (pass_dominator): Ditto.
8466 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8468 * tree-ssa-operands.c: Cleanup whitespace.
8469 (get_asm_expr_operands): Move before first invocation.
8470 (get_indirect_ref_operands): Likewise.
8471 (get_tmr_operands): Likewise.
8472 (get_call_expr_operands): Likewise.
8473 (append_def): Likewise.
8474 (append_use): Likewise.
8475 (append_v_may_def): Likewise.
8476 (append_v_must_def): Likewise.
8477 (add_call_clobber_ops): Likewise.
8478 (add_call_read_ops): Likewise.
8479 (add_stmt_operand): Likewise.
8480 (add_virtual_operand): Likewise.
8481 (build_ssa_operands): Likewise.
8483 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8488 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8489 with a call expr to ...
8490 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8492 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8494 * tree-vrp.c (extract_range_from_assert): Remove special
8495 handling for types with super-types.
8497 2006-03-01 Ben Elliston <bje@au.ibm.com>
8499 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8500 and powerpc64-*-linux* configurations.
8501 * config/t-dfprules: New file.
8503 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8504 Compile dfp-bit.c from the source directory using -DWIDTH and
8505 $DFP_CFLAGS to control the compilation of that file, rather than
8506 generating width-specific versions in the build directory.
8507 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8508 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8510 2006-02-28 Zack Weinberg <zackw@panix.com>
8512 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8515 2006-02-28 Eric Christopher <echristo@apple.com>
8517 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8518 Set up IN_LIBGCC definition of TARGET_64BIT.
8519 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8521 2006-02-28 Roger Sayle <roger@eyesopen.com>
8524 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8525 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8526 cases via the construction of "expr != 0".
8528 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8530 * alias.c (alias_invariant, alias_invariant_size): Remove.
8531 (record_base_value): Remove.
8532 (memrefs_conflict_p): Don't look at alias_invariant.
8533 (end_alias_analysis): Don't free it.
8534 * alias.h (record_base_value): Remove prototype.
8536 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8537 Adam Nemet <anemet@caviumnetworks.com>
8539 * rtl.h (truncated_to_mode): Declare it.
8540 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8541 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8542 (RTL_HOOKS_INITIALIZER): Include it.
8543 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8544 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8545 reg_truncated_to_mode.
8546 * rtlanal.c (truncated_to_mode): Define it.
8547 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8549 2006-02-28 Jeff Law <law@redhat.com>
8551 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8552 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8553 the range allowed by TYPE_PRECISION.
8555 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8557 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8559 PR tree-optimization/26419
8560 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8563 2006-02-27 Zack Weinberg <zackw@panix.com>
8565 * doc/md.texi: Fix typo in previous change.
8567 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8571 2006-02-27 Zack Weinberg <zackw@panix.com>
8573 * rtl.def (define_constraint, define_register_constraint)
8574 (define_memory_constraint, define_address_constraint): New MD forms.
8575 * gensupport.c (process_rtx): Put define_constraint etc on the
8577 * genpreds.c (process_define_predicate): Adjust comment. Validate
8578 the name, and call validate_exp to validate the expression.
8579 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8580 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8581 all callers changed.
8582 (validate_exp, needs_variable, struct constraint_data)
8583 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8584 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8585 (const_dbl_constraints, constraint_max_namelen)
8586 (have_register_constraints, have_memory_constraints)
8587 (have_address_constraints, have_address_constraints)
8588 (have_extra_constraints, have_const_int_constraints)
8589 (have_const_dbl_constraints, mangle, add_constraint)
8590 (process_define_constraint, process_define_register_constraint)
8591 (write_enum_constraint_num, write_lookup_constraint)
8592 (write_insn_constraint_len, write_regclass_for_constraint)
8593 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8594 (write_insn_extra_memory_constraint)
8595 (write_insn_extra_address_constraint)
8596 (write_satisfies_constraint_fns): New.
8597 (write_tm_preds_h): If we have new-style constraint definitions,
8598 prototype the functions generated from them, and define the
8599 old constraint interface (still used by generic code) in terms of
8601 (write_insn_preds_c): If we have new-style constraint definitions,
8602 generate all relevant functions from those definitions.
8603 (main): Handle define_constraint etc.
8604 * genoutput.c (struct constraint_data, indep_constraints)
8605 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8606 (mdep_constraint_len): New data structures and functions, defined
8607 #ifdef USE_MD_CONSTRAINTS.
8608 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8609 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8610 use new logic to validate operand constraints against constraint
8612 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8614 * defaults.h: If none of the old-style constraint macros are
8615 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8616 old-style macros; and poison REG_CLASS_FROM_LETTER,
8617 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8619 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8620 * doc/md.texi: Document new constraint-definition mechanism and the
8621 C interface it provides. Remove references to old mechanism
8622 elsewhere in the document.
8623 (Machine Constraints): Use pathnames relative to gcc directory,
8624 i.e. config/ARCH/FILE. Change i386 section to refer to
8625 config/i386/predicates.md; update that section to match docstrings.
8626 * doc/tm.texi: Move all documentation of the old constraint-
8627 definition macros to their own section, clearly mark as obsolete.
8629 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8630 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8632 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8633 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8634 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8636 (splits and peepholes): Use satisfies_constraint_*.
8637 * config/i386/i386.c (memory_address_length)
8638 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8640 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8642 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8643 scalar operation to be put back into the loop.
8645 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8648 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8649 (extract_cie_info): Handle S flag in augmentation string.
8650 (execute_cfa_program): If context->signal_frame, execute also
8651 fs->pc == context->ra instructions.
8652 (uw_frame_state_for): If context->signal_frame, don't subtract one
8653 from context->ra to find FDE.
8654 (uw_update_context_1): Set context->signal_frame to
8656 (_Unwind_GetIPInfo): New function.
8657 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8658 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8660 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8661 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8662 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8663 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8664 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8665 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8666 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8667 x86_64_fallback_frame_state): Set fs->signal_frame.
8668 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8669 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8670 (frob_update_context): Likewise. Workaround missing S flag in
8671 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8672 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8673 Remove the psw_addr + 1 hack.
8675 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8677 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8678 with aggregates here.
8679 (find_func_aliases): Remove code for &<aggregate> from here.
8681 2006-02-26 Roger Sayle <roger@eyesopen.com>
8683 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8684 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8685 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8688 2006-02-26 Roger Sayle <roger@eyesopen.com>
8691 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8693 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8695 * opts.c (decode_options): Do not handle flag_strength_reduce.
8696 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8697 and OPT_fstrength_reduce.
8698 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8699 flag_prefetch_loop_arrays for being nonzero.
8700 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8702 (fprefetch-loop-arrays-rtl): Removed.
8703 (flag_prefetch_loop_arrays): Do not specify the value.
8705 * doc/passes.texi: Update documentation of loop optimizer
8707 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8708 -frerun-loop-opt): Remove.
8710 2006-02-26 Richard Guenther <rguenther@suse.de>
8712 PR tree-optimization/26421
8713 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8714 in function calls that are ADDR_EXPRs as using the whole structure.
8716 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8718 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8719 * tree-pass.h (pass_loop_optimize): Remove.
8720 * passes.c (pass_loop_optimize): Never run it.
8721 * toplev.c (backend_init): Don't call init_loop.
8722 * opts.c (flag_loop_optimize_set): Remove.
8723 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8724 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8725 the old RTL loop optimizer when profiling enabled.
8726 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8727 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8728 pre-headers for the sake of the old RTL loop optimizer.
8729 * Makefile.in: Remove all references to loop.o.
8731 * doc/invoke.texi: Remove all references to -floop-optimize
8732 and -frerun-loop-opt.
8734 2006-02-26 Zack Weinberg <zackw@panix.com>
8736 * doc/md.texi (Machine Constraints): Refer to all files with paths
8737 relative to gcc directory (i.e. config/CPU/file). Add missing
8738 @table @code ... @end table to M32C subsection.
8740 2006-02-26 Roger Sayle <roger@eyesopen.com>
8742 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8744 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8746 2006-02-26 Roger Sayle <roger@eyesopen.com>
8747 James A. Morrison <phython@gcc.gnu.org>
8750 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8751 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8752 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8753 signedness of the shift operation.
8755 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8757 PR tree-optimization/26359
8758 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8760 2006-02-25 Roger Sayle <roger@eyesopen.com>
8762 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8763 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8764 as X == 0, and some symmetry related transformations.
8765 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8767 2006-02-25 Roger Sayle <roger@eyesopen.com>
8770 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8771 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8772 symmetry related transformations. Fold (X^C1) == C2 as
8775 2006-02-25 Juergen Weigert <jw@suse.de>
8776 Richard Guenther <rguenther@suse.de>
8778 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8780 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8782 * combine.c (gen_lowpart_or_truncate): Call
8783 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8785 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8787 * doc/invoke.texi: Move -fopenmp description to "Options for
8789 Remove reference to -lgomp.
8791 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8793 * doc/install.texi: Require GNU tar version 1.14.
8795 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8797 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8798 * doc/invoke.texi (C++ Dialect Options): Document
8799 -fno-use-cxa-get-exception-ptr.
8800 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8801 * configure: Regenerate.
8802 * c.opt (fuse-cxa-get-exception-ptr): New.
8803 * c-opts.c (c_common_handle_option): Handle
8804 OPT_fuse_cxa_get_exception_ptr.
8805 * c-common.c (flag_use_cxa_atexit): Update documentation.
8806 (flag_use_cxa_get_exception_ptr): New.
8807 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8808 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8810 (C_COMMON_OVERRIDE_OPTIONS): New.
8812 2006-02-24 Roger Sayle <roger@eyesopen.com>
8815 * combine.c (try_combine): Explicitly check whether GET_CODE is
8816 a SET or a CLOBBER, instead on checking that it isn't a USE.
8818 2006-02-24 Roger Sayle <roger@eyesopen.com>
8820 * fold-const.c (fold_comparison): New subroutine of fold_binary
8821 containing transformations common to both the equality and
8822 ordering relational operators, factored out of fold_binary.
8823 (fold_binary): Separate out the equality operators (EQ_EXPR
8824 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8825 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8826 transformations common to both.
8827 (fold_div_compare): Fix latent bugs in the previously unreachable
8828 LT_EXPR and GE_EXPR cases.
8830 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8832 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8833 decl libname for clog to __clog on AIX.
8835 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8837 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8840 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8841 output traceback table for thunks. Localise rs6000_stack_info call.
8843 2006-02-23 Roger Sayle <roger@eyesopen.com>
8844 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8846 * gthr-posix.h (__gthrw): Fix typo in comment.
8848 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8850 * doc/cpp.texi (Character sets): Document that we do support
8851 input files to be in any character set.
8853 2006-02-23 Jeff Law <law@redhat.com>
8855 * tree.h (PHI_ARG_NONZERO): Remove.
8856 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8857 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8858 node to the new node.
8860 PR tree-optimization/26425
8861 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8862 min/max, then assume its varying.
8864 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8866 PR rtl-optimization/26316
8867 * rtlanal.c (enum may_trap_p_flags): New.
8868 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8869 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8870 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8871 (may_trap_after_code_motion_p): New function.
8872 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8873 (find_invariant_insn): Use may_trap_after_code_motion_p.
8874 * rtl.h (may_trap_after_code_motion_p): Declare.
8876 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8878 * emit-rtl.c (immed_double_const): Cleanup.
8880 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8882 Fix PR tree-optimization/26376
8883 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8886 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8889 * gimplify.c (omp_add_variable): Guard variable size decl test with
8890 DECL_SIZE (decl) check.
8892 2006-02-23 Richard Guenther <rguenther@suse.de>
8895 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8896 like aggregate types.
8898 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8900 * configure.ac: Add --with{,out}-long-double-128 configure option.
8901 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8902 * configure: Rebuilt.
8903 * config.in: Rebuilt.
8904 * doc/install.texi (Options specification): Document
8905 --with-long-double-128.
8907 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8908 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8909 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8910 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8912 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8914 * config/s390/s390.c (override_options): Handle
8915 TARGET_DEFAULT_LONG_DOUBLE_128.
8917 * config/alpha/alpha.c (override_options): Handle
8918 TARGET_DEFAULT_LONG_DOUBLE_128.
8920 * config/sparc/sparc.c (sparc_override_options): Handle
8921 TARGET_DEFAULT_LONG_DOUBLE_128.
8923 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8925 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8926 (real-install-headers-tar, real-install-headers-cpio)
8927 (real-install-headers-cp): New targets.
8929 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8931 * tree.h (variable_section): Delete.
8932 * varasm.c (variable_section): Delete.
8934 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8936 * install.texi: Add notes on install.texi2html.
8937 (Building in parallel): Do not use footnotes.
8939 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8942 * doc/install.texi (Configuration): Document --disable-libgomp.
8944 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8946 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8948 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8950 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8951 (vec_extractv2df_0_sse): New.
8953 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8955 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8956 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8957 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8958 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8959 to the result of the expression.
8960 (def_cfa_1): Adjust.
8961 (frame_pointer_cfa_offset): Rename to...
8962 (frame_pointer_fb_offset): ... this. Adjust all uses.
8963 (convert_cfa_to_loc_list): Rename to...
8964 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8965 Pass it on to build_cfa_loc.
8966 (compute_frame_pointer_to_cfa_displacement): Rename to...
8967 (compute_frame_pointer_to_fb_displacement): ... this. New
8968 offset parameter. Use it in computation.
8969 (gen_subprogram_die): Compute cfa_fb_offset with the new
8970 macro, and use it to compute the fb loc list and the
8973 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8975 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8976 replaced with register_operand.
8977 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8978 non-DREG is expensive.
8979 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8980 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8983 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8985 * doc/install.texi2html: Use set -e.
8987 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8989 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8990 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8991 * doc/invoke.texi (-fshared-data): Delete.
8992 * common.opt (fshared-data): Delete.
8993 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8994 (assemble_static_space): Remove #if 0 code.
8995 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8996 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8997 * config/cris/cris.h: Remove FIXME.
8999 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9001 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9004 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9007 * combine.c (simplify_shift_const_1): Disable nested shifts
9008 optimization for vector shifts.
9010 2006-02-20 Roger Sayle <roger@eyesopen.com>
9012 PR tree-optimization/26361
9013 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9014 of unsigned integer types.
9016 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9018 * tree-chrec.c (eq_evolutions_p): New.
9019 * tree-chrec.h (eq_evolutions_p): Declared.
9020 * tree-data-ref.c: Fix formatting.
9021 (datadep_stats, dependence_stats): New.
9023 (print_direction_vector): New.
9024 (dump_data_dependence_relation): Use print_direction_vector.
9025 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9026 (compute_subscript_distance): Static.
9027 (initialize_data_dependence_relation): Static. Get the number
9028 of loops surrounding the references from the callers, and initialize
9029 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9030 base_object_differ_p analyzers.
9031 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9032 compute_overlap_steps_for_affine_1_2,
9033 analyze_subscript_affine_affine): Count the classified dependences.
9034 Print a message when a test failed.
9035 (can_use_analyze_subscript_affine_affine): New.
9036 (analyze_siv_subscript): Compute the data dependences on symbolic
9037 scevs that verify can_use_analyze_subscript_affine_affine.
9038 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9039 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9040 Handle symbolic scevs.
9041 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9043 (subscript_dependence_tester): Moved...
9044 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9045 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9046 DDR_SIZE_VECT instead of getting it in parameter.
9047 (subscript_dependence_tester): ... here. Take as a parameter
9048 loop_nest_depth. Call build_classic_dist_vector and
9049 build_classic_dir_vector.
9050 (compute_affine_dependence): Update subscript_dependence_tester
9051 parameters. Update datadep_stats counters. Call
9052 compute_subscript_distance.
9053 (compute_self_dependence): Save the dist and dir vectors. Call
9054 compute_subscript_distance.
9055 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9056 (compute_all_dependences): Reorder parameters as they were before
9057 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9058 compute_subscript_distance. Update the use of
9059 compute_affine_dependence and initialize_data_dependence_relation.
9060 (find_data_references_in_loop): Handle COMPONENT_REF.
9061 (compute_data_dependences_for_loop): Initialize dependence_stats.
9062 Don't call build_classic_dist_vector and build_classic_dir_vector.
9063 Update the parameters of initialize_data_dependence_relation and
9064 compute_all_dependences. Print the statistics from datadep_stats.
9065 (analyze_all_data_dependences): Static. Not used until the pass for
9066 checking the data dependences is contributed.
9067 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9068 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9069 (initialize_data_dependence_relation, compute_affine_dependence,
9070 analyze_all_data_dependences, compute_subscript_distance): Removed.
9071 (print_direction_vector): New.
9072 * lambda.h (gcd): ... here.
9073 (lambda_vector_gcd): Moved here from gcd_vector.
9074 * lambda-code.c (gcd, gcd_vector): Removed.
9075 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9076 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9078 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9080 * ipa-type-escape.c: Tidy some comments and white space.
9081 * tree-ssa-operands.c: Likewise.
9083 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9086 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9087 (dump_decl_name): Do not walk the decl tree chains.
9088 * tree-pass.h (TDF_CHAIN): Remove.
9090 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9092 * Makefile.in (C): Remove
9094 (.PHONY): Remove C and PROTO
9096 2006-02-20 Roger Sayle <roger@eyesopen.com>
9099 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9100 deprecated CHAR_TYPE tree code.
9102 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9104 * configure.ac (target_list): Add install-info, dvi, html.
9105 * configure: Regenerate.
9107 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9108 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9109 treelang/Make-lang.in: Do not use double-colon rules.
9111 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9113 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9114 (TMT_USED_ALONE): New macro.
9115 * tree-pass.h (PROP_tmt_usage): New property.
9116 (TODO_update_tmt_usage): New todo.
9117 * tree-ssa-alias.c (updating_used_alone): New variable.
9118 (recalculate_used_alone): New function.
9119 (compute_may_aliases): Set updating_used_alone, call
9120 recalculate_used_alone.
9121 * tree-sra.c (pass_sra): Note that this pass destroys
9122 PROP_tmt_usage, and add TODO_update_tmt_usage.
9123 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9124 * tree-flow.h (updating_used_alone): Prototype.
9125 (recalculate_used_alone): Ditto.
9126 * passes.c (execute_todo): Add code to set updating_used_alone,
9127 and call recalculate.
9128 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9129 for clobber if used alone, and add assert to verify used_alone
9132 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9134 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9135 for non tls symbols added.
9136 (legitimize_address): Do nothing for PLUS expressions if one of the
9137 addends is a tls symbol reference.
9139 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9143 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9145 * Makefile.in (BOOTSTRAPPING): New.
9146 (quickstrap): New definition if BOOTSTRAPPING=yes.
9148 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9149 * configure.ac: Substitute all_selected_languages with the languages
9150 that were configured. For all the other variables except
9151 lang_specs_files, include all the languages in the tree.
9152 * configure: Regenerate.
9154 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9155 if there is one. Run the commands to run fixincludes in the same
9158 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9159 * doc/install.texi: Document exact conventions for searching target tools.
9160 Document --with-build-time-tools. Document toplevel bootstrap. Document
9161 something more about building an Ada cross-compiler. Don't list GNU Make
9162 requirements which affect all platforms.
9164 2006-02-19 Roger Sayle <roger@eyesopen.com>
9167 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9168 only equivalent if the have both the same mode and precision.
9170 2006-02-20 Ben Elliston <bje@au.ibm.com>
9172 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9174 2006-02-19 Roger Sayle <roger@eyesopen.com>
9175 Steven Bosscher <stevenb.gcc@gmail.com>
9177 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9178 constant pool references to identify stack mode constants.
9179 * rtlanal.c (constant_pool_constant_p): New predicate to check
9180 whether operand is a floating point constant in the pool.
9181 * rtl.h (constant_pool_constant_p): Prototype here.
9182 * loop.c (scan_loop): Avoid hoisting constants from the constant
9183 pool on STACK_REGS targets.
9184 (load_mems): Likewise.
9185 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9186 loads into x87 registers expensive in terms of register pressure.
9188 2006-02-19 Roger Sayle <roger@eyesopen.com>
9190 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9191 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9193 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9195 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9196 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9198 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9200 * doc/invoke.texi: Document -fipa-pta.
9201 * common.opt: Add ipa-pta option.
9202 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9203 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9204 (do_ds_constraint): Ditto.
9205 (get_constraint_for): Only add to referenced_vars if
9206 referenced_vars exists.
9207 (insert_into_field_list): Rewrite to do this unsorted.
9208 (insert_into_field_list_sorted): Rename old insert_into_field_list
9210 (create_function_info_for): Use insert_into_field_list_sorted.
9211 (create_variable_info_for): Rewrite so it uses unsorted version,
9212 since the field list is sorted.
9213 (intra_create_variable_infos): Only add to referenced_vars if
9214 referenced_vars exists.
9215 (ipa_pta_execute): Init heapvars, and delete when done.
9216 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9218 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9220 * doc/install.texi: Add missing `@samp'.
9222 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9224 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9227 2006-02-18 Mark Wielaard <mark@klomp.org>
9229 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9230 who added new 4.1 features, bug fixes and integration support.
9232 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9235 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9238 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9240 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9241 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9242 (copy_insn_1): Likewise. Don't copy each field individually.
9244 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9246 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9247 * rtl.c (rtx_size): Rename variable to...
9248 (rtx_code_size): ...this.
9249 (rtx_size): New function.
9250 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9251 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9253 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9254 * rtl.h (rtx_code_size): New variable.
9255 (rtx_size): Change from a variable to a function.
9256 (RTX_SIZE): Rename to...
9257 (RTX_CODE_SIZE): ...this.
9260 PR tree-optimization/17106
9261 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9262 (Anchored Addresses): New section.
9263 * doc/invoke.texi (-fsection-anchors): Document.
9264 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9265 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9266 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9267 * hooks.c (hook_bool_mode_rtx_false): New function.
9268 * hooks.h (hook_bool_mode_rtx_false): Declare.
9269 * gengtype.c (create_optional_field): New function.
9270 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9271 SYMBOL_REF_IN_BLOCK_P is true.
9272 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9273 (min_anchor_offset, max_anchor_offset): Likewise.
9274 (use_anchors_for_symbol_p): New hook.
9275 * toplev.c (compile_file): Call output_object_blocks.
9276 (target_supports_section_anchors_p): New function.
9277 (process_options): Check that -fsection-anchors is only used on
9278 targets that support it and when -funit-at-a-time is in effect.
9279 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9280 if the decl doesn't have one.
9281 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9282 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9283 of force_const_mem through use_anchored_address.
9284 (expand_expr_constant): New function.
9285 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9286 calling expand_expr for INDIRECT_REF.
9287 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9288 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9289 * expr.h (use_anchored_address): Declare.
9290 * loop-unroll.c: Don't declare rtx vectors here.
9291 * explow.c: Include output.h.
9292 (validize_mem): Call use_anchored_address.
9293 (use_anchored_address): New function.
9294 * common.opt (-fsection-anchors): New switch.
9295 * varasm.c (object_block_htab, anchor_labelno): New variables.
9296 (hash_section, object_block_entry_eq, object_block_entry_hash)
9297 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9298 (use_blocks_for_decl_p, change_symbol_section): New functions.
9299 (get_variable_section): New function, split out from assemble_variable.
9300 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9301 use_blocks_for_decl_p say so. Use change_symbol_section if the
9302 symbol has already been created.
9303 (assemble_variable_contents): New function, split out from...
9304 (assemble_variable): ...here. Don't output any code for
9305 block symbols; just pass them to place_block_symbol.
9306 Use get_variable_section and assemble_variable_contents.
9307 (get_constant_alignment, get_constant_section, get_constant_size): New
9308 functions, split from output_constant_def_contents.
9309 (build_constant_desc): Create a block symbol if use_object_blocks_p
9310 says so. Or into SYMBOL_REF_FLAGS.
9311 (assemble_constant_contents): New function, split from...
9312 (output_constant_def_contents): ...here. Don't output any code
9313 for block symbols; just pass them to place_section_symbol.
9314 Use get_constant_section and get_constant_alignment.
9315 (force_const_mem): Create a block symbol if use_object_blocks_p and
9316 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9317 (output_constant_pool_1): Add an explicit alignment argument.
9318 Don't switch sections here.
9319 (output_constant_pool): Adjust call to output_constant_pool_1.
9320 Switch sections here instead. Don't output anything for block symbols;
9321 just pass them to place_block_symbol.
9322 (init_varasm_once): Initialize object_block_htab.
9323 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9324 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9325 (place_block_symbol, get_section_anchor, output_object_block)
9326 (output_object_block_htab, output_object_blocks): New functions.
9327 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9328 (TARGET_ASM_OUT): Include it.
9329 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9330 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9331 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9332 (TARGET_INITIALIZER): Include them.
9333 * rtl.c (rtl_check_failed_block_symbol): New function.
9334 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9335 (block_symbol, object_block): New structures.
9336 (rtx_def): Add a block_symbol field to the union.
9337 (BLOCK_SYMBOL_CHECK): New macro.
9338 (rtl_check_failed_block_symbol): Declare.
9339 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9340 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9341 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9342 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9343 * output.h (output_section_symbols): Declare.
9344 (object_block): Name structure.
9345 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9346 (default_use_anchors_for_symbol_p): Declare.
9347 * Makefile.in (RTL_BASE_H): Add vec.h.
9348 (explow.o): Depend on output.h.
9349 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9350 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9351 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9352 (rs6000_use_blocks_for_constant_p): New function.
9354 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9356 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9358 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9361 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9364 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9366 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9370 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9373 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9374 instead of DECL_REGISTER.
9376 2006-02-18 Olivier Hainque <hainque@adacore.com>
9379 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9381 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9384 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9385 * opth-gen.awk: Handle Var and InverseMask together.
9386 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9387 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9388 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9389 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9391 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9392 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9393 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9394 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9395 LINUX_DYNAMIC_LINKER): Define.
9396 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9397 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9399 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9400 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9401 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9402 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9403 (TARGET_C99_FUNCTIONS): Don't define.
9404 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9405 GLIBC_DYNAMIC_LINKER.
9406 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9407 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9408 GLIBC_DYNAMIC_LINKER64): Define.
9409 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9410 LINUX_DYNAMIC_LINKER64.
9411 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9412 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9413 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9414 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9415 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9416 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9417 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9418 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9419 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9420 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9421 and LINUX_DYNAMIC_LINKER32.
9422 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9423 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9424 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9425 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9426 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9428 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9429 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9430 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9431 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9432 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9433 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9434 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9435 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9436 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9437 LINUX_DYNAMIC_LINKER): Define.
9438 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9439 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9440 GLIBC_DYNAMIC_LINKER64): Define.
9441 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9442 LINUX_DYNAMIC_LINKER64.
9443 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9444 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9445 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9446 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9447 LINUX_DYNAMIC_LINKER): Define.
9448 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9449 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9450 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9451 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9452 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9453 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9454 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9455 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9456 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9457 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9458 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9459 * doc/invoke.texi (-muclibc): Remove caveat about supported
9462 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9464 * doc/cpp.texi (__TIMESTAMP__): Document.
9466 2006-02-17 Roger Sayle <roger@eyesopen.com>
9469 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9470 C is one less than the width of X (and related transformations).
9471 * simplify-rtx.c (simplify_unary_operation_1): Transform
9472 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9473 depending on STORE_FLAG_VALUE, were C is one less then the
9476 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9478 Fix PR tree-optimization/26341
9479 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9480 about NAME_MEMORY_TAG's.
9482 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9485 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9486 with hardware float support, and software float support. Add fcpy
9487 alternative to hardware patterns. Add alternatives to copy between
9488 general and floating-point registers to the 32-bit pattern.
9489 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9490 secondary reload to load a QI or HI mode constant into a floating
9492 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9493 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9495 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9498 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9500 (load_macho_picbase_di): Likewise.
9502 2006-02-16 Jeff Law <law@redhat.com>
9504 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9505 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9506 (ssa_name_nonzero_p): Likewise.
9507 (get_value_range): Return NULL if VRP is not running.
9508 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9509 VRP routines do not discover a range.
9510 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9511 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9512 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9513 (tree_expr_nonnegative_p): Similarly.
9514 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9515 (restore_nonzero_vars_to_original_value): Remove.
9516 (unsafe_associative_fp_binop): Remove.
9517 (tree_ssa_dominator_optimize): Remove initialization and
9518 finalization of nonzero_vars and nonzero_vars_stack.
9519 (dom_opt_initialize_block): No longer push marker on
9521 (dom_opt_finalize_block): No longer call
9522 restore_nonzero_vars_to_original_value.
9523 (record_equivalences_from_phis): No longer look for
9524 nonzero PHI arguments.
9525 (cprop_into_successor_phis): No longer propagate nonzero
9526 property into PHI arguments. Lose unused argument. Caller
9528 (record_equivalences_from_stmt): No longer record nonzero
9529 values for SSA_NAMEs.
9530 (lookup_avail_expr): No longer use nonzero_vars.
9532 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9533 for sizetype when sizetype is unsigned.
9535 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9537 PR rtl-optimization/25603
9538 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9539 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9540 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9541 with new meaning of SETS.
9543 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9548 * config/linux.opt: New file.
9549 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9550 LINUX_DYNAMIC_LINKER): Define.
9551 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9552 * config.gcc (*-*-linux*): Define extra_options.
9553 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9554 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9555 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9556 GLIBC_DYNAMIC_LINKER.
9557 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9558 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9559 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9560 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9561 * doc/invoke.texi (GNU/Linux Options): New section.
9563 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9565 * config/sparc/sparc.md (setjmp): Rewrite.
9566 (setjmp_32): Delete.
9567 (setjmp_64): Likewise.
9569 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9571 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9574 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9576 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9579 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9581 PR rtl-optimization/26296
9582 * Makefile.in (loop-invariant.c): Add except.h dependency.
9583 * loop-invariant.c: Include except.h.
9584 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9586 2005-02-16 Paul Brook <paul@codesourcery.com>
9588 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9591 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9593 PR rtl-optimization/25636
9594 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9595 when deciding whether an insn is an initializing insn.
9597 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9599 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9600 (tree_code_size): Ditto.
9601 * tree.h (struct tree_memory_tag): Remove parent_var.
9602 (struct tree_struct_field_tag): New.
9605 (union tree_node): Add sft member.
9606 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9608 (create_sft): Add size and offset argument, set SFT_OFFSET and
9610 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9611 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9612 * tree-flow-inline.h (get_subvar_at): Update for
9613 SFT_OFFSET/SFT_SIZE.
9614 (var_can_have_subvars): Ditto.
9615 (overlap_subvar): Ditto.
9616 * print-tree.c (print_node): Print out interesting things for
9618 * tree-flow.h (struct subvar): Remove offset and size members.
9619 * tree-ssa-operands.c (get_expr_operands): Update for
9620 get_indirect_ref_operands changes.
9621 (get_indirect_ref_operands): Call add_virtual_operand instead of
9622 add_stmt_operand. Only recurse on base var if requested.
9623 (access_can_touch_variable): New function.
9624 (add_stmt_operand): Split virtual operand handling into ...
9625 (add_virtual_operand): Here. Add offset, size, and for_clobber
9626 arguments. Prune alias sets.
9627 (add_call_clobber_ops): Call add_virtual_operand.
9629 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9632 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9634 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9635 than TREE_CODE as index into omp_clause_num_ops array.
9637 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9639 PR rtl-optimization/26184
9640 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9642 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9643 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9644 must_precede, must_follow and tobe_scheduled.
9647 * opts.c (common_handle_option): Free new_option pointer.
9648 * df-core.c (df_analyze): Free postorder pointer.
9650 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9652 * Makefile.in: Fix the examples about the use of stamps
9654 2006-02-15 Michael Matz <matz@suse.de>
9658 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9659 influenced by maximum_field_alignment or DECL_PACKED.
9660 (update_alignment_for_field): Ditto.
9661 (place_field): Ditto.
9662 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9665 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9667 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9668 (debug_flow_info): Pass it.
9669 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9670 * bb-reorder.c (reorder_basic_blocks): Likewise.
9671 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9672 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9673 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9674 * gcse.c (gcse_main, bypass_jumps): Likewise.
9675 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9676 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9677 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9678 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9679 * rtl.h (dump_flow_info): Adjust prototype.
9680 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9681 * var-tracking.c (variable_tracking_main): Likewise.
9682 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9683 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9686 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9688 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9691 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9693 PR tree-optimization/26209
9694 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9695 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9697 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9699 2006-02-14 Roger Sayle <roger@eyesopen.com>
9702 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9703 (X,Y) and the corresponding symmetry related transformations.
9704 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9705 (X,Y) and its symmetry related transformations.
9707 2006-02-14 Roger Sayle <roger@eyesopen.com>
9709 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9712 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9714 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9716 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9719 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9720 support COMDAT group.
9721 * configure: Regenerate.
9723 2006-02-14 Roger Sayle <roger@eyesopen.com>
9728 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9730 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9732 Fix PR tree-optimization/26260
9734 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9736 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9737 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9738 * tree-ssa-structalias.c (create_variable_info_for): Use
9739 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9741 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9743 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9745 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9746 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9747 of the ending condition.
9748 * tree-ssa-loop-manip.c: Include params.h.
9749 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9750 tree_unroll_loop): New functions.
9751 * tree-pass.h (pass_loop_prefetch): Declare.
9752 * loop.c (rest_of_handle_loop_optimize): Test for
9753 -fprefetch-loop-arrays-rtl.
9754 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9755 * timevar.def (TV_TREE_PREFETCH): New timevar.
9756 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9757 pass_loop_prefetch): New.
9758 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9759 (cleanup_tree_cfg_loop): Call scev_reset.
9760 * common.opt (fprefetch-loop-arrays-rtl): Add.
9761 * tree-ssa-loop-prefetch.c: New file.
9762 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9763 (new_temp_expr_table): Initialize expr_vars.
9764 (free_temp_expr_table): Cleanup expr_vars.
9765 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9766 expressions from being merged into one.
9767 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9768 (struct tree_niter_desc): Add control, bound and cmp fields.
9769 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9771 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9772 (tree-cfgcleanup.o): Add SCEV_H dependency.
9773 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9774 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9776 2006-02-14 Richard Guenther <rguenther@suse.de>
9778 PR tree-optimization/26258
9779 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9780 in PHI argument processing.
9782 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9784 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9785 new expression in the requested machine mode.
9787 2006-02-13 Roger Sayle <roger@eyesopen.com>
9789 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9790 directly, instead let do_compare_rtx_and_jump handle this for us.
9791 * expr.c (expand_expr_real_1): Likewise.
9792 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9793 before do_jump_by_parts_greater.
9794 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9795 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9797 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9799 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9801 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9803 PR rtl-optimization/26235
9804 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9805 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9808 2006-02-13 Jeff Law <law@redhat.com>
9810 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9813 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9816 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9817 twice if decl is a builtin. When trying again, call get_callee_fndecl
9818 first to verify it is still a builtin.
9820 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9822 * dwarf2out.c (base_type_die): Don't add AT_name here.
9823 (subrange_type_die): Don't add AT_name here.
9824 (modified_type_die): Rearrange code flow. Do add AT_name here.
9826 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9828 PR rtl-optimization/26247
9829 PR rtl-optimization/26248
9830 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9832 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9834 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9835 * config/fixtfdi.c: Likewise.
9836 * config/fixunstfdi.c: Likewise.
9837 * config/floatditf.c: Likewise.
9839 2006-02-13 Roger Sayle <roger@eyesopen.com>
9842 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9843 into (X,C2) if C1 is a subset of the bits of C2. Transform
9844 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9846 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9848 2006-02-13 Josh Conner <jconner@apple.com>
9851 * varasm.c (function_section): Check for section name before
9852 calling select_section on targets that define
9853 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9854 unlikely_text_section instead of hot_function_section if
9855 first_function_block_is_cold.
9857 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9860 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9862 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9864 PR rtl-optimization/26222
9865 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9866 after tree->rtl expansion.
9867 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9868 before passing it to emit_move_insn.
9870 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9872 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9874 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9875 Clarify documentation.
9876 * c-common.h (warn_write_strings): Remove.
9877 * c-common.c (warn_write_strings): Likewise.
9878 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9881 2006-02-12 Roger Sayle <roger@eyesopen.com>
9884 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9885 (do_jump_parts_zero_rtx): New function renamed from
9886 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9887 (do_jump_parts_equality_rtx): New function split out from
9888 do_jump_parts_equality. Old implementation renamed as above.
9889 Call do_jump_parts_zero_rtx if either operand is zero.
9890 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9891 do all of the heavy lifting.
9892 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9893 calling either do_jump_by_parts_greater_rtx or
9894 do_jump_by_parts_equality_rtx.
9895 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9896 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9897 moved to do_compare_rtx_and_jump, call it directly.
9898 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9899 mode argument. Call do_compare_rtx_and_jump.
9900 (emit_case_nodes): Update calls to do_jump_if_equal.
9902 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9904 PR rtl-optimization/26225
9905 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9907 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9909 PR rtl-optimization/26232
9910 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9912 2006-02-11 Jason Merrill <jason@redhat.com>
9915 * tree-inline.c (declare_return_variable): Just don't use the
9916 modify target if it's a gimple complex reg and the return slot
9919 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9921 * doc/contrib.texi: Update my entry.
9923 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9925 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9927 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9929 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9932 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9934 * doc/invoke.texi (-floop-optimize2): Removed.
9935 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9936 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9937 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9938 * common.opt (floop-optimize2): Removed.
9939 (fmove-loop-invariants): Enabled by default.
9941 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9943 * tree-if-conv.c (combine_blocks): Free the result of
9944 get_loop_exit_edges.
9946 2006-02-10 Jeff Law <law@redhat.com>
9948 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9950 PR tree-optimization/26213
9951 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9952 loop trying to follow SSA_NAME_VALUE chains.
9954 2006-02-10 Richard Guenther <rguenther@suse.de>
9956 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9957 deal with structures that end in implicitly variable sized arrays.
9959 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9961 PR rtl-optimization/24762
9962 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9965 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9967 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9968 (struct ivopts_data): Add regs_used field.
9969 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9970 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9971 instead of loop_data->regs_used;
9972 (free_loop_data): Do not free aux fields for loops.
9973 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9974 and tree_ssa_iv_optimize_finalize.
9976 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9978 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9980 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9983 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9984 computing the effective result type.
9986 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9989 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9990 (tree_overlaps_hard_reg_set): Declare.
9991 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9992 type and signature to match function type expected by walk_tree.
9993 (tree_overlaps_hard_reg_set): New function.
9994 (decl_conflicts_with_clobbers_p): Rename to:
9995 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9996 Use tree_overlaps_hard_reg_set. Changed caller.
9997 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9998 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9999 * cris.c (cris_md_asm_clobbers): Likewise.
10001 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10003 * reload1.c (emit_input_reload_insns): Delete code that tries to
10004 inherit using find_equiv_reg.
10006 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10008 * c-common.h (flag_const_strings): Don't declare.
10009 * c-common.c (flag_const_strings): Remove.
10010 * c.opt (fconst_strings): Remove.
10011 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10012 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10013 (c_common_init_options): Don't set flag_const_strings.
10014 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10016 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10018 * arm.md (tlobits_cbranch): New pattern.
10019 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10020 testing a single bit.
10022 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10025 * tree-ssa-pre.c (create_component_ref_by_pieces):
10026 Handle RETURN_DECL like VAR_DECL.
10028 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10030 PR middle-end/26134
10031 * fold-const.c (fold_indirect_ref_1): Fold
10032 "*(foo *)&complexfoo" to "__real__ complexfoo"
10033 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10035 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10037 * tree-flow-inline.h (var_can_have_subvars):
10038 Volatile variables should not have subvariables.
10040 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10043 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10044 multiplying unsigned values.
10047 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10049 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10051 2006-02-08 Jason Merrill <jason@redhat.com>
10054 * tree.def: Elaborate on difference from MODIFY_EXPR.
10055 * doc/c-tree.texi (INIT_EXPR): Likewise.
10056 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10057 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10058 (gimplify_target_expr): Likewise.
10059 (gimplify_cond_expr): Remove target handling.
10060 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10061 (gimplify_expr): Clobber it here.
10062 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10063 Do return slot optimization if we have an INIT_EXPR.
10066 * tree-inline.c (declare_return_variable): Also clear
10067 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10070 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10072 PR middle-end/22439
10073 * gimplify.c (gimplify_one_sizepos): Fix typo.
10075 2006-02-08 Jeff Law <law@redhat.com>
10077 PR tree-optimization/21417
10078 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10079 across a backedge if the control statement at the end of the
10080 block is data dependent on other statements in the same block.
10081 (record_temporary_equivalences_from_stmts): Remove over-conservative
10082 test for threading across backedges.
10084 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10085 control statement, handle all three special cases in the same
10086 manner as they all have the same desired solution. No longer
10087 special case edge flag updating when the post dominator is
10090 2006-02-08 Roger Sayle <roger@eyesopen.com>
10092 * tree.def (CHAR_TYPE): Remove.
10093 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10094 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10095 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10096 (gen_string_type_die): Delete unreachable function.
10098 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10099 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10100 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10101 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10102 * builtins.c (type_to_class): Likewise.
10103 * fold-const.c (fold_convert, build_range_check,
10104 merge_ranges): Likewise.
10105 * expr.c (count_type_elements): Likewise.
10106 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10107 * stor-layout.c (layout_type): Likewise.
10108 * ipa-type-escape.c (type_to_consider): Likewise.
10109 * gimplify.c (omp_firstprivatize_type_sizes,
10110 gimplify_type_sizes): Likewise.
10111 * explow.c (promote_mode): Likewise.
10112 * tree-sra.c (is_sra_scalar_type): Likewise.
10113 * varasm.c (output_constant): Likewise.
10114 * tree-inline.c (remap_type_1): Likewise.
10115 * convert.c (convert_to_pointer, convert_to_real,
10116 convert_to_integer, convert_to_complex): Likewise.
10118 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10120 * df-scan.c (df_def_record_1): A set destination may
10121 be a parallel regardless of mode.
10123 2006-02-08 Roger Sayle <roger@eyesopen.com>
10126 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10127 * config/mips/_tilib.c: Remove.
10128 * config/fixtfdi.c: New libgcc source file.
10129 * config/fixunstfdi.c: New source file.
10130 * config/floatditf.c: New source file.
10131 * config/floatunditf.c: New souce file.
10132 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10133 files above instead of config/mips/_tilib.c.
10134 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10136 2006-02-08 Jeff Law <law@redhat.com>
10138 PR tree-optimization/26169
10139 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10142 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10144 * df.h (DF_REG_SIZE): Return the length of the initialized
10147 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10149 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10150 __muldf3): Return a correctly signed zero.
10152 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10154 * passes.c (register_one_dump_file): Accept the current properties
10155 instead of pass number. Adjust call to dump_register. Remove
10157 (register_dump_files): Now a wrapper around...
10158 (register_dump_files_1): ... this one. Do not modify the pass
10160 (next_pass_1): Cosmetic fix.
10161 (execute_todo): Keep second parameter only. Use curr_properties
10162 instead of fetching it from the pass structure. Check and set
10164 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10165 instead of fetching it from the pass structure. Fix calls to
10166 execute_todo. Update curr_properties and initialize .vcg RTL dump
10167 after running the pass. Reset last_verified.
10168 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10170 (FIRST_AUTO_NUMBERED_DUMP): New.
10171 (dump_register): Remove "num" parameter, assign it within the
10173 (get_dump_file_name): Modify template for dumps.
10174 * tree-dump.h (dump_register): Adjust prototype.
10175 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10176 (PROP_trees): Add PROP_gimple_lomp.
10177 (TODO_set_props): New.
10178 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10179 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10180 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10182 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10184 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10185 (sparc64-*-linux*): Likewise.
10186 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10187 * config/sparc/t-linux: New file.
10188 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10189 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10190 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10191 -m32 -mlong-double-128.
10193 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10194 * config/alpha/t-linux: New file.
10195 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10197 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10198 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10199 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10200 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10201 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10202 (CPP_ARCH32_SPEC): Remove.
10204 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10206 PR tree-optimization/26145
10207 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10210 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10213 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10214 >= 240000 when generating code for SOM runtime.
10215 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10216 to $$dyncall when generating code for SOM runtime..
10218 2006-02-07 Dirk Mueller <dmueller@suse.com>
10221 * doc/invoke.texi (-Wsequence-point): Update documentation
10222 that -Wsequence-point is implemented for C++ as well.
10224 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10226 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10227 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10228 (LIB_SPEC): Likewise.
10229 * doc/invoke.texi (SPARC options): Document -pthread.
10231 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10233 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10236 2006-02-07 Roger Sayle <roger@eyesopen.com>
10238 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10239 Correct comment describing BOOLEAN_TYPE.
10241 2006-02-07 Dirk Mueller <dmueller@suse.com>
10243 * c.opt: C++ frontend supports -Wdiv-by-zero.
10244 * c-opts.c (c_common_handle_option): Remove dead case.
10246 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10248 * configure.ac (TLS assembler check): Do not enable TLS by
10249 default on SPARC/Solaris before version 10.
10250 * configure: Regenerate.
10252 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10254 * doc/invoke.texi (xl-compat): Document conversion and support
10257 2006-02-07 Jeff Law <law@redhat.com>
10259 * tree-vrp.c (find_conditional_asserts): Update comments.
10260 (simplify_stmt_for_jump_threading): New.
10261 (identify_jump_threads, finalize_jump_threads): New.
10262 (vrp_finalize): Call identify_jump_threads.
10263 (execute_vrp): Call finalize_jump_threads.
10264 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10265 (vrp_element, vrp_data, vrp_element_p): Remove.
10266 (vrp_hash_elt, vrp_variables_stack): Remove.
10267 (vrp_hash, vrp_eq, record_range): Remove.
10268 (simplify_cond_and_lookup_avail_expr): Remove.
10269 (extract_range_from_cond): Remove.
10270 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10271 (simplify_stmt_for_jump_threading): New.
10272 (dom_thread_across_edge): New wrapper.
10273 (tree_ssa_dominator_optimize): No longer initialize or
10274 finalize any of the VRP datastructures. Remove iteration
10275 step and simplify as a result of removal of iteration step.
10276 (pass_dominator): Perform a cfg cleanup after DOM.
10277 (dom_opt_finalize_block): Use the new common routines
10278 for threading jumps. Simplify stack management slightly.
10279 No longer need to unwind VRP state.
10280 (record_equivalences_from_incoming_edge): No longer record
10282 (eliminate_redundant_computations): No longer call
10283 simplify_cond_and_lookup_avail_expr.
10284 * tree-flow.h (potentially_threadable_block): Prototype.
10285 (thread_across_edge): Likewise.
10286 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10287 (tree-ssa-threadedge.o): Add dependencies.
10288 * tree-ssa-threadedge.c: New file.
10289 * passes.c (init_optimization_passes): Merge PHIs before
10290 calling VRP. Run VRP again late in the SSA optimization pipeline.
10292 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10294 * df-core.c (df_set_blocks): Do not dereference function pointers.
10295 (df_finish1): Likewise.
10296 (df_hybrid_search_forward): Likewise.
10297 (df_hybrid_search_backward): Likewise.
10298 (df_iterative_dataflow): Likewise.
10299 (df_analyze_problem): Likewise.
10300 (df_compact_blocks): Likewise.
10301 (df_dump): Likewise.
10302 * df-scan.c (df_rescan_blocks): Likewise.
10303 (df_record_entry_block_defs): Likewise.
10305 * genconditions.c (write_conditions): Guard the definition of
10306 'insn_conditions' with the check on GCC version.
10307 (write_writer): Guard the traversal 'insn_conditions' with
10308 the check on GCC version.
10310 2006-02-07 Richard Guenther <rguenther@suse.de>
10314 2006-01-30 Richard Guenther <rguenther@suse.de>
10316 * gimplify.c (gimplify_target_expr): Handle easy cases
10317 without creating a temporary.
10319 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10321 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10322 use of float in probability computations. Use edge probabilities
10323 in place of statically computed probabilities.
10324 (min_spec_prob): New static variable.
10325 (schedule_insns): Initialize it.
10326 (GET_SRC_PROB): Removed.
10327 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10329 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10332 * config/ia64/unwind-ia64.c: Revert last change.
10333 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10334 (INCOMING_FRAME_SP_OFFSET): Define.
10336 2006-02-06 Roger Sayle <roger@eyesopen.com>
10338 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10340 2006-02-07 Ben Elliston <bje@au.ibm.com>
10342 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10343 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10344 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10345 (ix86_return_in_memory): Handle TDmode.
10346 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10347 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10349 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10351 * reorg.c (dbr_schedule): Use dump_file instead of file.
10353 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10356 * config/ia64/predicates.md (extr_len_operand): New predicate.
10357 * config/ia64/ia64.md (extv): Tighten constraints.
10359 (*tbit_and_2): Ditto.
10360 (*tbit_and_3): Ditto.
10361 (*tbit_or_2): Ditto.
10362 (*tbit_or_3): Ditto.
10363 (*bit_zero): Ditto.
10366 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10369 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10371 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10373 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10374 loop_optimizer_init and loop_optimizer_finalize
10375 * tree-ssa-sink.c (execute_sink_code): Ditto.
10376 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10377 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10378 tree_ssa_loop_done): Ditto.
10379 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10380 * sched-ebb.c: Include output.h.
10381 (schedule_ebbs): Do not use dump argument.
10382 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10383 * loop.c (loop_dump_stream): Removed.
10384 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10386 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10387 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10388 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10389 loop_iterations, strength_reduce, record_biv, record_giv,
10390 final_giv_value, check_final_value, check_ext_dependent_givs,
10391 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10392 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10393 dump_file instead of loop_dump_stream.
10394 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10395 argument dump_file.
10396 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10398 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10399 * haifa-sched.c: Include output.h
10400 (schedule_insns, sched_init): Do not use dump argument.
10401 * mode-switching.c (optimize_mode_switching): Ditto.
10402 * modulo-sched.c (stats_file): Removed.
10403 (print_node_sched_params): Do not call argument dump_file.
10404 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10405 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10407 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10409 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10410 rtl_loop_init, rtl_loop_done): Ditto.
10411 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10412 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10414 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10415 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10416 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10417 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10418 * emit-rtl.c (renumber_insns): Ditto.
10419 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10420 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10421 * regclass.c (regclass): Ditto.
10422 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10423 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10424 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10425 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10427 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10428 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10430 * gcse.c (gcse_file, debug_stderr): Removed.
10431 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10432 rest_of_handle_gcse): Do not use dump argument.
10433 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10434 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10435 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10436 compute_code_hoist_vbeinout, compute_code_hoist_data,
10437 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10438 compute_store_table, build_store_vectors, insert_insn_start_bb,
10439 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10440 store_motion): Use dump_file instead of gcse_file.
10441 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10442 * profile.c (profile_dump_file): Removed.
10443 (branch_prob): Use dump_file instead of profile_dump_file.
10444 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10446 * tree-ssa-copy.c (dump_copy_of): Ditto.
10447 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10448 dump file to life_analysis.
10449 * bt-load.c (branch_target_load_optimize): Ditto.
10450 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10452 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10453 regclass, dbr_schedule): Declaration changed.
10454 * sched-int.h (sched_init): Declaration changed.
10455 * tree-profile.c (tree_profile_dump_file): Removed.
10456 (tree_profile_hooks): Removed profile_dump_file hook.
10457 * rtl-profile (rtl_profile_dump_file): Removed.
10458 (rtl_profile_hooks): emoved profile_dump_file hook.
10459 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10461 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10462 * tree-cfg.c (build_tree_cfg): Ditto.
10463 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10464 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10465 Declaration changed.
10466 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10467 life_analysis and schedule_insns.
10468 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10470 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10472 * config/mips/mips.c (mips_reorg): Ditto.
10473 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10476 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10478 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10479 (s390_mangle_fundamental_type): New.
10480 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10483 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10484 (alpha_mangle_fundamental_type): New.
10485 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10488 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10490 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10492 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10493 (sparc_mangle_fundamental_type): New.
10495 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10497 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10498 (s390x-*-linux*): Likewise.
10499 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10500 * config/s390/t-linux: New file.
10502 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10504 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10505 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10507 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10509 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10510 (ANTIC_SAFE_LOADS): New macro.
10511 (find_or_generate_expression): Add prototype.
10512 (set_contains_value): Allow null set for sake of not always having
10513 to allocate ANTIC_SAFE_LOADS.
10514 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10515 Allow COMPONENT_REF too.
10516 (valid_in_set): Allow COMPONENT_REF.
10517 Check ANTIC_SAFE_LOADS too.
10518 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10519 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10521 (can_PRE_operation): Add COMPONENT_REF.
10522 (create_component_ref_by_pieces): New function.
10523 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10524 (insert_aux): Move AGGREGATE_TYPE_P check here.
10525 (compute_avail): Set bb local stmt uids.
10526 (pass_pre): Use TODO_update_ssa_only_virtuals.
10528 2006-02-06 Ben Elliston <bje@au.ibm.com>
10530 * configure.ac: Unconditionally disable decimal float by default.
10531 * configure: Regenerate.
10533 2006-02-06 Ben Elliston <bje@au.ibm.com>
10535 * read-rtl.c (read_name): Terminate reading on EOF.
10537 2006-02-06 Ben Elliston <bje@au.ibm.com>
10539 * dfp.c (decimal_real_arithmetic): Change second argument type
10540 from int to enum tree_code. Do not always return true, but now
10541 return result of any call to decimal_do helper functions.
10542 * dfp.h (decimal_real_arithmetic): Update prototype.
10544 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10546 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10548 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10551 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10554 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10556 * tree-vrp.c (cfg_loops): Removed.
10557 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10558 Use current_loops instead of cfg_loops. Pass flags to
10559 loop_optimizer_init.
10560 * cfgloopmanip.c (fix_loop_structure): Update only available
10562 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10563 loop_optimizer_init.
10564 * modulo-sched.c (build_loops_structure): Removed.
10565 (sms_schedule): Use loop_optimizer_init.
10566 * loop-init.c (loop_optimizer_init): Use flags to determine
10567 which properties of loops to prepare.
10568 (rtl_loop_init): Pass flags to loop_optimizer_init.
10569 * tree-ssa-sink.c (execute_sink_code): Ditto.
10570 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10571 * tree-ssa-pre.c (init_pre): Ditto.
10572 * cfgloop.h (LOOPS_NORMAL): New.
10573 (loop_optimizer_init): Declaration changed.
10575 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10577 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10578 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10580 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10582 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10584 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10585 * pa/t-pa64: Delete quadlib.c rule.
10586 * pa/x-ada: Revert last change.
10587 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10589 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10591 PR rtl-optimization/26087
10592 * rtlanal.c (canonicalize_condition): Do not cross basic block
10595 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10598 * config/ia64/ia64.c: Include debug.h.
10599 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10600 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10601 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10602 (process_epilogue, process_set, process_for_unwind_directive):
10603 Output unwind info only if requested. Add CFA info if requested.
10604 Add new arguments as needed. Adjust callers.
10605 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10607 (DWARF2_FRAME_INFO): Define to zero.
10608 * config/ia64/unwind-ia64.c: Remove code that compensated for
10609 the CFA offset error fixed above.
10610 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10611 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10612 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10613 -funwind-tables and -fexceptions to enable frame info.
10614 (dwarf2out_frame_init): Define initial CFA even if
10615 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10616 DWARF2_UNWIND_INFO is nonzero, not just defined.
10617 (dwarf2out_frame_finish): Output non-EH call frame info only
10618 if DWARF2_FRAME_INFO is nonzero.
10619 (convert_cfa_to_loc_list,
10620 compute_frame_pointer_to_cfa_displacement): Define even if
10621 unwind info is not supported.
10622 (gen_subprogram_die): Use the above unconditionally. Remove
10623 legacy alternate code.
10624 * toplev.c (compile_file): Compile in call to
10625 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10626 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10628 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10629 Jakub Jelinek <jakub@redhat.com>
10631 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10632 IBM extended float format long double as "g" on powerpc*-linux.
10634 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10637 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10638 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10640 2006-02-03 Jason Merrill <jason@redhat.com>
10643 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10645 PR middle-end/25977
10646 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10647 on the return slot if it's an NRV.
10649 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10651 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10652 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10653 rewrite_use): Do not handle USE_OUTER.
10654 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10655 add_iv_outer_candidates, may_replace_final_value,
10656 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10657 (find_interesting_uses_op): Functionality of
10658 find_interesting_uses_outer_or_nonlin moved here.
10659 (find_interesting_uses_outside): Use find_interesting_uses_op.
10661 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10664 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10666 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10667 Ulrich Weigand <uweigand@de.ibm.com>
10670 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10671 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10672 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10673 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10675 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10676 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10677 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10678 Define secondary reloads for TFmode moves.
10679 (constant_modes): Add TFmode.
10680 (NR_C_MODES): Set to 8.
10681 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10683 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10684 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10685 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10686 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10687 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10688 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10689 (FPR mode macro): Add TFmode.
10690 (DSF mode macro): New.
10691 (<de>, <dee> mode attributes): Removed.
10692 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10693 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10694 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10695 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10696 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10697 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10698 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10699 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10700 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10701 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10702 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10703 "*negabs<mode>2", "sqrt<mode>2"):
10704 Changed <de> to <xde>. R constraint replaced by <Rf>.
10705 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10707 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10708 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10709 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10711 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10712 "extenddftf2", "extendsftf2"): New expanders.
10713 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10714 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10715 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10716 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10718 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10719 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10720 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10721 __floatditf): Add a GCC_4.1.0 symbol version tag.
10722 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10725 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10728 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10729 Use targetm.binds_local_p instead of TREE_PUBLIC.
10731 2006-02-02 Roger Sayle <roger@eyesopen.com>
10733 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10734 on INTEGER_TYPEs to indicate that it denotes a character type.
10735 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10736 signed_char_type_node, unsigned_char_type_node and char_type_node.
10737 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10738 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10739 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10741 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10742 Daniel Berlin <dberlin@dberlin.org>
10744 * tree-tailcall.c (arg_needs_copy_p): New function.
10745 (eliminate_tail_call): Use arg_needs_copy_p.
10746 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10747 (add_virtual_phis): New function.
10749 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10751 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10752 #ignore instead of #scratch for %g7 .register directive.
10754 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10756 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10759 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10761 * flow.c (calculate_global_regs_live): Assert that there aren't any
10764 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10766 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10767 what its name says.
10768 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10769 bsi_after_labels iterator.
10770 * tree-if-conv.c (find_phi_replacement_condition,
10771 replace_phi_with_cond_modify_expr): Likewise.
10772 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10773 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10775 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10777 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10779 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10782 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10783 array after growing it.
10785 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10787 PR middle-end/24901
10788 * fold-const.c (fold_checksum_tree): Change type of buf.
10790 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10792 * reload.c (push_secondary_reload): Initialize t_icode.
10794 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10796 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10797 -msoft-float -mlong-double-128 only issue a warning, but don't
10798 swich to DFmode long double.
10800 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10802 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10803 has a constant equivalent, iterate over equivalents for arg0,
10804 calling simplify_relational_operation and if there's a result
10805 cheaper than X, apply fold_rtx and return the result.
10807 2006-02-01 Jan Hubicka <jh@suse.cz>
10809 * opts.c (no_unit_at_a_time_default): New global variable.
10810 (decode_options): Use it.
10811 * opts.h (no_unit_at_a_time_default): Declare.
10813 2006-02-01 Paul Brook <paul@codesourcery.com>
10815 * function.c (assign_parm_setup_reg): Use function argument promotion
10817 * expr.c (expand_expr_real_1): Use function argument promotion rules
10820 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10822 * gcc.c (process_command): Change j to 'unsigned int'.
10824 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10826 PR middle-end/26001
10827 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10828 Use the corrected index for the character
10829 out of the string constant.
10831 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10833 * mode-switching.c (optimize_mode_switching): Fix size
10834 allocated for bb_info[n_entities].
10836 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10838 * gcc.c (main): Correct type that is allocated for
10839 explicit_link_files.
10841 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10843 * config/s390/s390.c (init_alignment_context): Set
10844 ALIAS_SET_MEMORY_BARRIER on the MEM.
10845 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10847 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10849 PR middle-end/25933
10850 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10852 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10855 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10857 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10858 * regrename.c: Ditto.
10859 * tree-ssa-loop-im.c: Ditto.
10860 * tree-dump.c: Ditto.
10861 * tree-complex.c: Ditto.
10862 * genrecog.c: Ditto.
10863 * tree-ssa-threadupdate.c: Ditto.
10865 * java/class.c: Ditto.
10866 * java/jcf-parse.c: Ditto.
10867 * java/resource.c: Ditto.
10868 * java/except.c: Ditto.
10869 * java/jvspec.c: Ditto.
10870 * java/jcf-write.c: Ditto.
10871 * java/jcf-path.c: Ditto.
10872 * java/gjavah.c: Ditto.
10873 * java/zextract.c: Ditto.
10874 * java/jcf-io.c: Ditto.
10875 * java/jcf.h: Ditto.
10876 * java/buffer.c: Ditto.
10877 * java/lang.c: Ditto.
10878 * java/parse-scan.y: Ditto.
10879 * java/lex.c: Ditto.
10880 * java/lex.h: Ditto.
10881 * cfgloopmanip.c: Ditto.
10882 * postreload-gcse.c: Ditto.
10883 * tree-ssa-loop-manip.c: Ditto.
10884 * postreload.c: Ditto.
10885 * tree-ssa-loop-ch.c: Ditto.
10888 * cppspec.c: Ditto.
10889 * diagnostic.c: Ditto.
10891 * genoutput.c: Ditto.
10893 * cfghooks.c: Ditto.
10894 * cfgloopanal.c: Ditto.
10895 * objc/objc-act.c: Ditto.
10897 * genextract.c: Ditto.
10898 * genautomata.c: Ditto.
10899 * pretty-print.c: Ditto.
10900 * genemit.c: Ditto.
10901 * cgraphunit.c: Ditto.
10903 * df-scan.c: Ditto.
10904 * haifa-sched.c: Ditto.
10905 * dominance.c: Ditto.
10907 * tree-ssa-loop-ivopts.c: Ditto.
10908 * df-core.c: Ditto.
10909 * mode-switching.c: Ditto.
10910 * modulo-sched.c: Ditto.
10912 * ipa-pure-const.c: Ditto.
10914 * fix-header.c: Ditto.
10916 * tree-stdarg.c: Ditto.
10917 * ipa-utils.c: Ditto.
10918 * loop-init.c: Ditto.
10919 * ipa-inline.c: Ditto.
10920 * cfganal.c: Ditto.
10922 * alloc-pool.c: Ditto.
10923 * dwarf2out.c: Ditto.
10925 * genattrtab.c: Ditto.
10926 * tree-ssa-loop-ivcanon.c: Ditto.
10927 * predict.c: Ditto.
10928 * timevar.c: Ditto.
10930 * fortran/gfortranspec.c: Ditto.
10931 * regmove.c: Ditto.
10932 * local-alloc.c: Ditto.
10933 * langhooks.c: Ditto.
10934 * function.c: Ditto.
10935 * tree-vectorizer.c: Ditto.
10937 * ipa-type-escape.c: Ditto.
10939 * tree-if-conv.c: Ditto.
10940 * profile.c: Ditto.
10942 * tree-data-ref.c: Ditto.
10943 * loop-unroll.c: Ditto.
10944 * treelang/treetree.c: Ditto.
10946 * bt-load.c: Ditto.
10947 * ggc-common.c: Ditto.
10949 * coverage.c: Ditto.
10951 * tree-cfgcleanup.c: Ditto.
10952 * tree-ssa-pre.c: Ditto.
10953 * cfgcleanup.c: Ditto.
10954 * loop-invariant.c: Ditto.
10955 * loop-iv.c: Ditto.
10956 * ipa-prop.c: Ditto.
10957 * print-tree.c: Ditto.
10958 * conflict.c: Ditto.
10959 * ggc-page.c: Ditto.
10960 * sched-deps.c: Ditto.
10961 * regclass.c: Ditto.
10962 * tree-object-size.c: Ditto.
10963 * combine.c: Ditto.
10964 * bb-reorder.c: Ditto.
10965 * resource.c: Ditto.
10966 * var-tracking.c: Ditto.
10967 * cfgloop.c: Ditto.
10968 * df-problems.c: Ditto.
10969 * reg-stack.c: Ditto.
10971 * gccspec.c: Ditto.
10972 * sched-rgn.c: Ditto.
10973 * tree-ssa-structalias.c: Ditto.
10974 * tree-ssa-reassoc.c: Ditto.
10975 * config/darwin-c.c: Ditto.
10976 * config/darwin.c: Ditto.
10977 * config/arm/arm.c: Ditto.
10979 * collect2.c: Ditto.
10980 * reload1.c: Ditto.
10982 2006-01-31 Nicolas Pitre <nico@cam.org>
10984 * arm.md (smaxsi3): Make aware of smax_m1.
10987 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10989 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10991 2006-01-31 Richard Guenther <rguenther@suse.de>
10993 * doc/invoke.texi (-msselibm): Document.
10994 * target.h (expand_library_builtin): New target hook.
10995 * builtins.c (expand_builtin): Use expand_library_builtin.
10996 (default_expand_library_builtin): New function.
10997 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10998 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10999 (link_gcc_math_spec): Declare.
11000 (static_specs): Add link_gcc_math_spec.
11001 * expr.h (default_expand_library_builtin): Declare.
11002 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11003 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11004 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11005 * config/i386/i386.opt (msselibm): New target option.
11006 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11007 (ix86_init_sse_abi_builtins): New function.
11008 (ix86_expand_library_builtin): Likewise.
11009 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11010 (override_options): Handle error conditions wrt -msselibm.
11011 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11012 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11013 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11016 2006-01-31 Richard Guenther <rguenther@suse.de>
11017 Paolo Bonzini <bonzini@gnu.org>
11019 * doc/install.texi (--disable-libgcc-math): Document.
11021 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11023 * expr.h (expand_normal): new inline function.
11024 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11025 * dojump.c: use it.
11026 * dwarf2out.c: use it.
11029 * expmed.c: use it.
11030 * except.c: use it.
11031 * config/sparc/sparc.c: use it.
11032 * config/i386/i386.c: use it.
11033 * config/rs6000/rs6000.c: use it.
11034 * config/arm/arm.c: use it.
11035 * config/mips/mips.c: use it.
11036 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11038 2006-01-30 Roger Sayle <roger@eyesopen.com>
11040 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11041 argv to the appropriate type.
11043 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11045 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11048 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11051 * config/s390/s390.c (struct machine_function): New flag
11052 decomposed_literal_pool_addresses_ok_p.
11053 (s390_reorg): Set it before final stage of literal pool transforms.
11054 (s390_decompose_address): Only accept displacements of the form
11055 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11057 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11059 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11060 the comparison routine return.
11062 2006-01-30 Michael Matz <matz@suse.de>
11064 * global.c (find_reg): Only evict for global regs.
11065 Take n_refs into account and dump more info.
11067 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11070 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11071 (pragma_trap, pragma_nosave_low_regs): Likewise.
11072 (current_function_anonymous_args): Likewise.
11073 (sh_deferred_function_attributes): New variable.
11074 (sh_deferred_function_attributes_tail): Likewise.
11075 (print_operand): For '@', look up trap_exit attribute.
11076 (calc_live_regs): Look up trapa_handler attribute. For trapa
11077 handlers, save/restore fpscr, but don't do any other
11078 interrupt-specific saves.
11079 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11080 Fix check for partially saved registers to check for SHmedia.
11081 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11082 (sh_output_function_epilogue): Don't clear any of the removed
11084 (sh_insert_attributes): Don't check pragma_interrupt.
11085 Insert deferred attributes. Check that interrupt attribute is
11086 present for other attributes that require its presence.
11087 (sh_attribute_table): Add new attributes trapa_handler and
11089 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11090 Don't check for pragma_interrupt. Don't store argument.
11091 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11092 (sh_deferred_function_attributes): Declare.
11093 (sh_deferred_function_attributes_tail): Likewise.
11094 * sh.md (sp_switch_1): Add operand. Change generator caller.
11095 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11096 (*return_i): Don't use when trap_exit attribute is in effect.
11097 (*return_trapa): New insn pattern.
11098 * sh-c.c: New file.
11099 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11100 setting c_target_objs and cxx_target_objs.
11101 * t-sh: Add rule for sh-c.o.
11103 2006-01-30 Richard Guenther <rguenther@suse.de>
11106 * gimplify.c (gimplify_target_expr): Handle easy cases
11107 without creating a temporary.
11109 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11111 * vec.h (safe_grow): Remove duplicated line.
11113 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11116 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11117 (expand_omp): ... here.
11118 (expand_omp_parallel): Only remove barriers for combined
11119 parallel+workshare constructs.
11121 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11125 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11126 * tree.c (build_qualified_type): Chain the new type to the original
11127 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11128 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11129 (build_pointer_type_for_mode): Only return unqualified types.
11130 (build_reference_type_for_mode): Likewise.
11132 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11134 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11135 * Makefile.in (CXX_COMPAT_WARN): Define.
11136 * configure: Regenerate.
11138 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11141 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11144 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11146 * toplev.c: Fix thinko.
11148 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11149 Marcin Dalecki <martin@dalecki.de>
11151 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11152 (push_srcloc): Use XNEW.
11153 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11155 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11157 * df-core.c (df_set_blocks): Deleted all variable.
11159 2006-01-28 Ian Lance Taylor <ian@airs.com>
11161 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11162 cgraph_output_pending_asms.
11164 2006-01-28 Zack Weinberg <zackw@panix.com>
11166 * c.opt: Add -W(no-)overlength-strings.
11167 * doc/invoke.texi: Document it.
11168 * c-opts.c (c_common_handle_option): -pedantic implies
11169 -Woverlength-strings, if not explicitly disabled already.
11170 (c_common_post_options): -Woverlength-strings defaults to off, and
11171 is always off for C++.
11172 * c-common.c (fix_string_type): Issue warning about strings longer
11173 than is portable only if warn_overlength_strings. Rearrange code
11174 a little for clarity.
11175 * configure.in: Check for -Wno-overlength-strings as well before
11176 enabling -pedantic in stage 1.
11177 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11178 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11180 * genconditions.c (write_header, write_one_condition)
11181 (write_conditions, write_writer): Consolidate very long strings
11182 that were broken up to fit in C89 portable limit. Don't use
11183 printf when fputs will do.
11185 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11187 * combine.c (simplify_comparison <AND>): Check
11188 TRULY_NOOP_TRUNCATION before start using a subreg.
11190 * config/mips/mips.md (*branch_zero<mode>,
11191 *branch_zero<mode>_inverted, *branch_equality<mode>,
11192 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11193 Remove mode check from comparisons.
11195 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11197 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11199 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11201 * expmed.c (const_mult_add_overflow_p): Remove.
11202 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11204 * recog.c (validate_replace_rtx_subexp): Remove.
11205 * recog.h: Remove the prototype for
11206 validate_replace_rtx_subexp.
11208 * integrate.h: Remove the prototype for
11209 copy_decl_for_inlining.
11210 * rtl.h: Remove the prototype for mark_constant_function.
11211 * tree-vectorizer.h: Remove the prototype for
11212 vect_strip_conversion.
11214 * modulo-sched.c (create_partial_schedule,
11215 free_partial_schedule, reset_partial_schedule): Make them
11218 * hooks.c (hook_bool_rtx_int_false): Remove.
11219 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11221 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11223 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11224 and -mlong-double-128 are incompatible.
11225 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11226 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11227 (TARGET_LIBGCC2_CFLAGS): Define.
11228 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11229 (TARGET_LIBGCC2_CFLAGS): Same.
11230 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11232 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11235 * c-typeck.c (build_binary_op): Perform implicit casts of
11236 operands before shortening them.
11238 * cfgloopmanip.c (split_loop_bb): Remove.
11239 * cfgloop.h: Remove the prototype for split_loop_bb.
11241 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11242 * cfgloop.h: Remove the prototype for
11243 flow_loop_outside_edge_p.
11245 * emit-rtl.c (init_virtual_regs): Make it static.
11246 * function.h: Remove the prototype for init_virtual_regs.
11248 * recog.c (peephole2_optimize): Make it static.
11249 * recog.h: Remove the prototype for peephole2_optimize.
11251 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11253 * df-scan.c (df_record_entry_block_defs): Check if
11254 INCOMING_RETURN_ADDR_RTX is defined.
11256 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11257 Kenneth Zadeck <zadeck@naturalbridge.com>
11259 PR rtl-optimization/24762
11260 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11261 * targhooks.c (hook_void_bitmap): New hook prototype.
11262 * targhoohs.h (hook_void_bitmap): Ditto.
11263 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11264 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11265 * target.h (live_on_entry): New function pointer.
11266 * df-scan.c (df_all_hard_regs): Removed.
11267 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11268 (df_scan_free_internal): Added df->entry_block_defs.
11269 (df_scan_alloc): Ditto.
11270 (df_scan_dump): Ditto.
11271 (df_uses_record): Plumbed flag field properly thru calls.
11272 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11273 This part fixes PR24762.
11274 (df_bb_refs_record): Added code to make the frame and arg
11275 pointers live in EH blocks.
11276 (df_refs_record): Added call to df_record_entry_block_defs.
11277 (df_record_entry_block_defs): New function.
11278 * df-core.c: Added comments to describe new artifical defs.
11279 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11280 (entry_block_defs): New field in struct df.
11281 (df_all_hard_regs): Deleted.
11282 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11283 * df-problems.c (df_ru_bb_local_compute_process_def):
11284 Added code to handle artifical defs in the entry to a function.
11285 (df_ru_bb_local_compute): Ditto.
11286 (df_rd_bb_local_compute_process_def): Ditto.
11287 (df_rd_bb_local_compute): Ditto.
11288 (df_lr_bb_local_compute): Ditto.
11289 (df_ur_bb_local_compute): Ditto.
11290 (df_urec_bb_local_compute): Ditto.
11291 (df_chain_create_bb): Ditto.
11292 (df_ur_local_finalize): Removed entry.
11293 (df_urec_init): Ditto.
11294 (df_urec_local_finalize): Ditto.
11295 (df_ri_bb_compute): Added detection of last use of pseudos.
11296 * Makefile.in (df-scan.o): Updated dependencies.
11297 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11298 * config/mips/mips.c (mips_set_live_on_entry): Added.
11299 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11301 * dce.c (marked_insn_p): Added code to handle artifical defs.
11303 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11305 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11307 (_mm_cvtsi128_si64): Likewise.
11308 (_mm_cvtsd_si64): Likewise.
11309 (_mm_cvttsd_si64): Likewise.
11310 (_mm_cvtsi64_sd): Likewise.
11311 (_mm_cvtsi64_si128): Likewise.
11312 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11313 (_mm_cvtsi64_m64): Likewise.
11314 (_m_to_int64): Likewise.
11315 (_mm_cvtm64_si64): Likewise.
11316 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11317 (_mm_cvttss_si64): Likewise.
11318 (_mm_cvtsi64_ss): Likewise.
11319 (_mm_cvtss_f32): Likewise.
11321 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11323 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11324 for pragma redefine_extname.
11326 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11329 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11330 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11331 -mno-minimal-toc to previous content.
11332 (bispecs): Remove goal.
11333 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11334 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11335 compatibility aliases on powerpc-*-*gnu*.
11336 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11337 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11338 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11339 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11340 (ldblspecs): New goal.
11341 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11342 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11344 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11345 L_sf_to_tf or L_df_to_tf is defined.
11347 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11348 Alan Modra <amodra@bigpond.net.au>
11351 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11352 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11353 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11354 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11355 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11356 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11357 (rs6000_override_options): Initialize rs6000_ieeequad.
11358 Initialize TFmode format to ibm_extended_format if not
11360 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11362 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11363 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11364 (function_arg_advance): IBM long double passed in two FPRs, not
11366 (function_arg): IBM long double passed in FPRs.
11367 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11368 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11369 Only multireg GPR aligned.
11370 (rs6000_init_libfuncs): Enable IBM long double functions if not
11372 (rs6000_generate_compare): Use IBM long double compare if not
11374 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11375 (TARGET_IEEEQUAD): Define.
11376 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11377 not TARGET_IEEEQUAD.
11378 * config/rs6000/rs6000.md: Enable TFmode patterns if
11380 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11381 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11382 and -mlong-double-128 are incompatible.
11383 * doc/invoke.texi (-mabi): Collect options together. Add
11384 ibmlongdouble and ieeelongdouble.
11386 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11388 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11390 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11391 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11392 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11393 * rtl.h (rtunion_def): Remove rt_ptr.
11395 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11396 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11397 * config/i386/winnt.c (i386_pe_mark_dllexport)
11398 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11400 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11402 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11404 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11408 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11409 pthread_key_delete. From John David Anglin. gthrw-ify
11410 pthread_getunique_np only if it it's not a macro. Delete
11412 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11413 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11414 __gthread_objc_condition_signal, __gthread_key_delete): Add
11415 "__attribute__ ((__unused__))" to unused arguments.
11416 (__gthread_recursive_mutex_init_function): Add missing return.
11417 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11418 gthr-posix95.h: Use macro-based approach for name redirection
11419 on targets missing weakref.
11421 2006-01-26 Zack Weinberg <zackw@panix.com>
11423 * genconditions.c (write_header): In generated code, #ifdef out
11424 all includes and fake declarations, except includes of bconfig.h
11425 and system.h, unless GCC_VERSION >= 3001. Do not include
11426 gensupport.h in any case.
11427 (write_conditions): Generate a definition of struct c_test. Add
11428 a comment to the generated #endif.
11429 (write_one_condition): Escape backslashes in string too.
11430 (write_writer): Generated code must escape backslashes and quote
11431 marks (but not newlines) in the strings it writes.
11432 * Makefile.in (build/gencondmd.o): Update dependencies.
11434 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11437 * Makefile.in (insn-automata.o): Add header file dependencies.
11438 * genautomata.c: Add includes.
11440 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11443 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11445 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11447 * configure.ac: Expect target tools paths to be passed from the toplevel
11448 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11450 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11452 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11455 * c.opt (Wpointer-sign): Init to -1.
11456 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11457 OPT_pedantic, to 0 otherwise.
11458 * doc/invoke.texi: Update.
11460 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11462 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11463 constants provided by 80387 instructions in the destination mode.
11465 2006-01-26 Richard Guenther <rguenther@suse.de>
11466 Andrew Pinski <pinskia@physics.uc.edu>
11469 partial PR tree-opt/17064
11470 * tree-ssa-structalias.c (intra_create_variable_infos):
11471 Create heap variables for incoming parameters if
11472 flag_argument_noalias > 1.
11473 (find_what_p_points_to): Look through default defs of
11476 2006-01-26 Jeff Law <law@redhat.com>
11479 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11480 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11481 within the VR_RANGE, use the VR_RANGE as the result, not the
11483 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11484 bounds for the type.
11486 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11488 * tree-ssa-alias.c (maybe_create_global_var): Change
11489 subvar walking to an assertion that we don't have subvar'd variables.
11491 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11494 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11495 Use a new variable, inner. PARM_DECLs are always non-weak.
11497 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11499 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11500 --disable-checking.
11502 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11504 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11506 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11508 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11509 (smax_insn, smin_insn, smax_0, smin_0): New.
11511 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11514 * config/cris/cris.c (cris_order_for_addsi3): New function.
11515 * config/cris/cris-protos.h: Prototype it.
11516 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11517 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11518 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11519 (split for "op.S1 [rx=rx+i],ry (swapped)")
11520 (split for "op(s|u).S1 [rx=rx+i],ry")
11521 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11522 Apply cris_order_for_addsi3 when generating addsi3 insns.
11524 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11526 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11527 (TREE_BLOCK): Add call to EXPR_CHECK.
11529 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11532 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11533 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11534 (dump_omp_clauses): ... here.
11535 (dump_generic_node): Handle OMP_CLAUSE.
11536 * tree.c (omp_clause_num_ops): New.
11537 (omp_clause_code_name): New.
11538 (tree_code_size): Handle OMP_CLAUSE.
11539 (tree_size): Likewise.
11540 (make_node): Document handling of OMP_CLAUSE.
11541 (tree_node_structure): Handle OMP_CLAUSE.
11542 (omp_clause_check_failed): New.
11543 (omp_clause_range_check_failed): New.
11544 (omp_clause_operand_check_failed): New.
11545 (build_omp_clause): New.
11546 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11547 * tree.h (enum omp_clause_code): Declare.
11548 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11549 (OMP_CLAUSE_RANGE_CHECK): Define.
11550 (OMP_CLAUSE_ELT_CHECK): Define.
11551 (omp_clause_check_failed): Declare.
11552 (omp_clause_operand_check_failed): Declare.
11553 (omp_clause_range_check_failed): Declare.
11554 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11555 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11556 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11557 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11558 (OMP_CLAUSE_IF_EXPR): Likewise.
11559 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11560 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11561 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11562 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11563 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11564 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11565 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11566 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11567 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11568 (OMP_CLAUSE_CODE): Define.
11569 (OMP_CLAUSE_SET_CODE): Define.
11570 (OMP_CLAUSE_CODE): Define.
11571 (OMP_CLAUSE_OPERAND): Define.
11572 (struct tree_omp_clause): Declare.
11573 (union tree_node): Add field 'omp_clause'.
11574 * treestruct.def (TS_OMP_CLAUSE): Define.
11575 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11576 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11577 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11578 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11579 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11580 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11581 (OMP_CLAUSE): Define.
11582 * print-tree.c (print_node): Handle OMP_CLAUSE.
11583 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11584 * c-typeck.c: Likewise.
11585 * gimplify.c: Likewise.
11586 * c-omp.c: Likewise.
11587 * tree-nested.c: Likewise.
11588 * tree-inline.c: Likewise.
11589 * c-parser.c: Likewise.
11590 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11593 2006-01-25 Roger Sayle <roger@eyesopen.com>
11595 PR rtl-optimization/25703
11596 * combine.c (try_combine): Handle zero_extract and strict_low_part
11597 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11599 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11601 * global.c: Fix comment typos.
11603 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11606 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11607 Use output_addr_const instead of assemble_name.
11609 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11611 * Makefile.in (sched-vis.o): Update dependencies.
11612 * haifa-sched.c (sched_finish): Clear current_sched_info.
11613 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11614 (dump_flow_info): Call it.
11615 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11617 * basic-block.h (dump_bb_info): Declare.
11618 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11619 option, and apply options only for dump files whose TDF_RTL,
11620 TDF_TREE, or TDF_IPA bits match.
11621 * rtl.h: Declare new functions exported from sched-vis.c.
11622 * sched-vis.c: Enable also if scheduling is not used.
11623 (print_value): Print the mode of registers if not inside scheduling.
11624 (print_insn): Make it work outside the scheduler. Beautify the output
11626 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11628 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11630 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11631 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11632 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11633 depending on the value of CONSTANT_POOL_ADDRESS_P.
11634 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11636 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11637 rather than SYMBOL_REF_DECL.
11638 (rtx_constant_pool): Remove const_rtx_sym_htab.
11639 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11640 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11641 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11642 Remove handling of const_rtx_sym_htab.
11643 (find_pool_constant): Delete.
11644 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11645 rather than find_pool_constant.
11646 (get_pool_constant_for_function): Delete.
11647 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11648 find_pool_constant.
11649 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11650 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11651 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11652 (SYMBOL_REF_CONSTANT): New macro.
11653 (get_pool_constant_for_function): Delete.
11654 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11655 rather than SYMBOL_REF_DECL.
11656 (i386_pe_mark_dllimport): Likewise.
11657 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11658 rather than SYMBOL_REF_DECL.
11659 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11660 (machopic_indirect_call_target): Likewise.
11662 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11664 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11666 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11668 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11670 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11672 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11674 2006-01-24 David Daney <ddaney@avtrex.com>
11677 * configure.ac (enable_tls): New enable option.
11678 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11679 * configure: Regenerate.
11680 * doc/install.texi (--enable-tls): Document new option.
11681 (--disable-tls): Ditto.
11683 2006-01-24 Richard Henderson <rth@redehat.com>
11685 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11686 * alias.c (true_dependence): Respect it.
11687 (canon_true_dependence, write_dependence_p): Likewise.
11688 * builtins.c (get_builtin_sync_mem): Set it.
11690 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11692 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11695 2006-01-24 DJ Delorie <dj@redhat.com>
11697 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11698 for storing constants in single-bit bitfields.
11700 2006-01-25 Ben Elliston <bje@au.ibm.com>
11702 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11704 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11707 * tree-ssa-pre.c (phi_translate): Return NULL
11708 for AGGREGATE_TYPE's.
11710 2006-01-24 Zack Weinberg <zackw@panix.com>
11712 * genautomata.c (process_state_for_insn_equiv_partition):
11713 Use xcalloc for insn_arcs_array.
11714 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11715 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11717 2006-01-24 Richard Henderson <rth@redhat.com>
11719 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11720 update all callers.
11722 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11724 PR rtl-optimization/25890
11725 PR rtl-optimization/25905
11726 * combine.c (expand_compound_operation, expand_field_assignment):
11727 Fail if the bitfield's final position is out of bounds.
11729 2006-01-24 Ian Lance Taylor <ian@airs.com>
11731 PR middle-end/25930
11732 * cgraphunit.c (cgraph_output_in_order): Don't clear
11733 cgraph_asm_nodes until after asm strings have been output.
11735 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11737 * fix-header.c (read_scan_file): Add new parameter imultilib when
11738 calling register_include_chains.
11740 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11742 * omp-low.c: Update documentation.
11744 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11745 Daniel Berlin <dberlin@dberlin.org>
11749 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11750 return from the function.
11752 2006-01-22 Zack Weinberg <zackw@panix.com>
11754 * rtl.def (match_code): Add second argument.
11755 * genpreds.c (write_extract_subexp): New function.
11756 (write_match_code): Add path argument. Use write_extract_subexp.
11757 (write_predicate_expr): Pass path to write_match_code.
11758 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11759 not perform a mode test.
11760 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11761 a subexpression does not constrain the top-level code set.
11762 * read-rtl.c (read_rtx_variadic): New function.
11763 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11764 * doc/md.texi: Document new notation.
11765 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11766 (cmpsi_operand): ... here, using new notation.
11768 2006-01-22 Zack Weinberg <zackw@panix.com>
11770 * varray.c: Remove GENERATOR_FILE #ifdefs.
11772 2006-01-22 Zack Weinberg <zackw@panix.com>
11774 * genautomata.c (output_reserved_units_table): Emit nothing if
11775 description->query_units_num is zero. Remove extra blank line.
11776 (output_cpu_unit_reservation_p): Short circuit
11777 if description->query_units_num is zero.
11779 2006-01-22 Zack Weinberg <zackw@panix.com>
11781 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11782 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11783 nor any of the random handful of variables that used to be necessary
11784 when this program was linked with rtlanal.o. Prune set of forward
11785 function declarations.
11786 (struct attr_desc): Remove static_p field.
11787 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11788 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11789 (attr_string): Do not read the character one past the length of
11791 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11792 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11793 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11794 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11795 (make_automaton_attrs): New.
11796 (main): Do not call into genautomata. Call local gen_bypass
11797 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11798 Remove special case for insn_alts.
11799 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11800 varray.h (leftover from previous change). Prune set of forward
11801 function declarations. Remove state_alts fields from all
11802 structures. Remove state_alts_table from struct automaton.
11803 Make everything except main static. Do not maintain num_dfa_decls.
11804 Do not maintain state_alts fields of various structures.
11805 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11806 (add_arc): Remove state_alts argument. All callers updated.
11807 (output_reserved_units_table): Emit #ifdef here...
11808 (output_tables): ...not here. Don't generate state_alts tables.
11809 (expand_automata): Don't generate attributes.
11810 (write_automata): Don't generate state_alts functions.
11811 (main): New function.
11812 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11813 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11814 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11815 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11816 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11817 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11818 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11819 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11821 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11822 * genattrtab.h: Delete file.
11823 * Makefile.in (OBJS-common): Add insn-automata.o.
11824 (insn-automata.o): New rule.
11825 (simple_generated_c): Add insn-automata.c.
11826 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11827 (genprogmd): Add automata.
11828 (build/genattrtab): Needs no extra objects nor libraries.
11829 (build/genautomata): Needs build/vec.o and -lm.
11831 2006-01-22 Zack Weinberg <zackw@panix.com>
11833 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11834 (output_dfa_max_issue_rate, locked_states_num): Delete.
11835 (struct automaton): Add locked_states field.
11836 (output_dead_lock_vect): Save number of locked states in
11837 automaton->locked_states. If it is zero, don't print anything.
11838 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11839 (output_internal_dead_lock_func): Only test the dead_lock_vect
11840 for automata that have locked states.
11841 (output_statistics): Always print the number of locked states for
11842 each automaton. Calculate total number of locked states here.
11843 (write_automata): Don't call output_dfa_max_issue_rate.
11844 * genattrtab.c: Define length_unit_log as a const variable.
11845 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11846 max_insn_queue_index const.
11847 * final.c (length_unit_log): Declare const.
11848 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11850 2006-01-22 Zack Weinberg <zackw@panix.com>
11852 * genautomata.c: Include vec.h, not varray.h.
11853 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11854 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11855 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11856 VEC_* macros operating on appropriately typed vectors, or to
11857 malloced arrays when the size is known in advance. Const-ify
11858 many char* variables and function arguments. No functional changes.
11859 * Makefile.in (build/varray.o): Delete rule.
11860 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11861 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11863 2006-01-22 Zack Weinberg <zackw@panix.com>
11865 * gensupport.c: Define get_insn_name and record_insn_name here.
11866 (read_md_rtx): Call record_insn_name as appropriate.
11867 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11868 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11869 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11871 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11872 (BUILD_VARRAY): Delete.
11873 (genprognormal): Rename genprogmd. Fold in all programs from
11874 genprognoprint; also attrtab.
11875 (build/genattrtab): Just mention genautomata.o and varray.o.
11876 Reorganize a bit, add comments to make the categories clearer.
11878 2006-01-22 Zack Weinberg <zackw@panix.com>
11880 * genconditions.c (condition_table, add_condition): Delete.
11881 (write_conditions): Don't emit n_insn_conditions nor
11882 insn_elision_unavailable. Issue the gcc version #ifdef here,
11883 inside the table, with no #else clause ...
11884 (write_header): ...not here.
11885 (write_writer): New function.
11886 (main): Don't initialize condition_table. Use add_c_test.
11888 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11889 files on the command line.
11890 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11891 Return -1 if there is no entry in the table, don't abort.
11892 (add_c_test, traverse_c_tests): New functions.
11893 * gensupport.h (insn_elision_unavailable, insn_conditions)
11894 (n_insn_conditions): Delete declarations.
11895 (add_c_test, traverse_c_tests): Declare.
11896 * read-rtl.c: Include gensupport.h.
11897 (read_conditions): New function.
11898 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11899 (read_rtx_1): If we get EOF when we were looking for an initial
11900 open paren, return 0. Call read_conditions when appropriate.
11901 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11902 dummy-conditions.o. Eliminate references to insn-conditions.o,
11903 or change them to build/gencondmd.o, as appropriate. Remove
11904 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11905 from $(simple_generated_c). For all files remaining in those
11906 two lists, add insn-conditions.md to the generator command line.
11907 Give insn-constants.h/s-constants their own rules. Add rules
11908 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11909 (build/read-rtl.o): Depend on gensupport.h.
11910 (genprognormal): Include preds.
11911 (genprogearly): Rename genprognoprint; only difference is now that
11912 they don't link with $(BUILD_PRINT).
11913 * dummy-conditions.c: Delete.
11915 2006-01-22 Zack Weinberg <zackw@panix.com>
11917 * genextract.c: Don't include insn-config.h. Do include vec.h.
11918 Declare vectors of int, char, and locstr.
11919 (locstr): New typedef.
11920 (struct extraction): Make all array fields into bare pointers.
11921 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11922 (insn_code_number): Delete.
11923 (accum_extract): New struct.
11924 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11925 (gen_insn): Take insn_code_number as an argument. Use an
11926 accum_extract structure instead of loading data directly into
11927 a struct extraction, and having to know how big it might get.
11928 (walk_rtx): Operate entirely on an accum_extract structure.
11929 (print_path): Avoid unnecessary use of printf.
11930 (print_header): New function, split out of main. Distinguish
11931 more carefully between an unrecognizable insn and an insn that
11932 has the code number of a define_expand.
11933 (main): Pass insn_code_number to gen_insn. Call print_header
11934 only after parsing. Avoid unnecessary use of printf.
11935 * Makefile.in (build/vec.o): New rule.
11936 (build/genextract): Depend on build/vec.o.
11937 (build/genextract.o): Don't depend on insn-config.h.
11939 2006-01-22 Zack Weinberg <zackw@panix.com>
11941 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11942 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11943 practical. Eliminate per-generator-program link rules.
11945 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11947 PR middle-end/24437
11948 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11949 with a call expr to ...
11950 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11952 2006-01-23 Richard Guenther <rguenther@suse.de>
11954 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11955 before make_edge with conditional EDGE_TRUE_VALUE.
11957 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11958 Jan Hubicka <jh@suse.cz>
11959 Richard Guenther <rguenther@suse.de>
11961 PR rtl-optimization/25654
11962 * cfgexpand.c (aggregate_contains_union_type): New function.
11963 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11964 for structure variables that contain a union type.
11966 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11968 * gengtype.c (new_structure): Return the structure.
11969 (create_option): Add an extra "next" argument.
11970 (create_field): New function.
11971 (adjust_field_rtx_def): Use create_option and create_field.
11972 Remove a now-unnecessary call to find_structure.
11973 (adjust_field_tree_def): Likewise.
11974 (note_yacc_type): Remove an unnecessary call to find_structure.
11975 * gengtype.h (new_structure): Return the structure.
11976 (create_option): Add an extra argument.
11977 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11978 (option): Adjust calls to create_option.
11980 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11982 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11984 2006-01-22 Paul Brook <paul@codesourcery.com>
11985 Peter Barada <peter@the-baradas.com>
11987 * config/m68k/m68k.md: Add Coldfire FPU support.
11988 Define FP mode macro and associated attributes.
11989 Use it for float mode patterns.
11990 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11991 (LIBCALL_VALUE): Use m68k_libcall_value.
11992 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11993 (m68k_function_value): Ditto.
11994 (emit_move_sequence): Ditto.
11995 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11996 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11997 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11998 (MULTILIB_EXCEPTIONS): Ditto.
11999 * config/m68k/m68k.opt: Add mcfv4e.
12000 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12001 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12002 (m68k_output_function_prologue): Save ColdFire FPU registers.
12003 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12004 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12005 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12006 ColdFire FPU registers.
12007 (m68k_libcall_value, m68k_function_value): New functions.
12008 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12009 (LIBCALL_VALUE): Use m68k_libcall_value.
12010 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12011 (MASK_COLDFIRE): Add MASK_CFV4E.
12012 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12013 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12014 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12015 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12016 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12017 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12018 * doc/invoke.tex: Document -mcfv4e on m68k.
12020 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12022 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12025 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12028 * c-opts.c (c_common_handle_option): Don't include
12029 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12030 * doc/invoke.texi (C++ Dialect Options): Document that
12031 -Wnon-virtual-dtor is no longer included in -Wall.
12033 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12035 * gcov.c (print_version), gcov-dump.c (print_version),
12036 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12039 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12041 * df-scan.c (problem_SCAN): Added NULL reset function.
12042 (df_scan_reset_blocks): Added code to call reset block function
12043 (df_bb_refs_delete) Fixed comment.
12044 (df_insn_refs_delete): Made tolerant of deleting non existent info
12045 for dataflow problems that need to be reset.
12046 * df-core.c (df_set_blocks): Ditto.
12047 * df.h (struct df_problem): Added reset_fun.
12048 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12049 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12050 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12051 functions to clear out all references to def-use or use-def chains.
12053 2006-01-21 Ben Elliston <bje@au.ibm.com>
12055 * varasm.c (assemble_real): Initialise data array.
12057 2006-01-20 Paul Brook <paul@codesourcery.com>
12059 Merge from csl-arm-branch.
12060 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12061 * config/arm/arm.md (movdi): Force operands[1] to a register
12062 if we have a non-register source.
12063 (*arm_movdi, *movdf_soft_insn): Require that one of the
12064 operands be a register.
12065 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12066 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12068 2006-01-20 DJ Delorie <dj@redhat.com>
12070 * varasm.c (initializer_constant_valid_p): Allow pointers
12071 initialized from integer constants of lesser precision.
12072 (output_constant): Allow non-int-sized pointer modes to be
12073 initialized from integer constants.
12075 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12078 * cppdefault.h (struct default_include): Add multilib flag.
12079 * cppdefault.c (cpp_include_defaults): Set it.
12080 * c.opt (-imultilib): New option.
12081 * c-opts.c (imultilib): New.
12082 (c_common_handle_option): Handle -imultilib.
12083 (c_common_post_options): Likewise.
12084 * c-incpath.c (add_standard_paths, register_include_chains):
12086 * c-incpath.h (register_include_chains): Add extra parameter.
12087 * gcc.c (do_spec_1): Generate -imultilib option.
12088 (The Specs Language): Update %I description.
12089 (process_command): Update copyright notice.
12090 * doc/cppopts.texi (-imultilib): Document.
12091 * doc/invoke.texi (-imultilib): Include in option summary.
12092 (%I): Update specs documentation.
12094 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12096 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12098 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12100 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12103 2006-01-20 Richard Guenther <rguenther@suse.de>
12104 Steven Bosscher <stevenb.gcc@gmail.com>
12106 PR rtl-optimization/24626
12107 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12108 EDGE_TRUE_VALUE if in RTL mode.
12111 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12112 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12114 2006-01-20 Dirk Mueller <dmueller@suse.com>
12117 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12118 instead of a special NOP marker.
12119 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12120 NOP marker handling.
12121 * c-common.h (empty_body_warning): Add forward declaration.
12122 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12123 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12125 2006-01-20 Paul Brook <paul@codesourcery.com>
12127 * Makefile.in (lang_checks): Keep going if mkdir fails.
12129 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12131 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12132 be able to clean out basic block when not necessary.
12133 (df_scan_free): Fixed to properly delete information if df is
12134 unused before calling df_finish.
12135 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12136 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12138 (df_bb_refs_delete): New function.
12139 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12140 * df-core.c (df_set_blocks): Added code to properly clean out
12141 unused blocks if they are not part of the blocks to consider.
12142 Added additional null check.
12143 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12144 be able to clean out basic block when not necessary
12145 * df.h (df_free_bb_function): Ditto.
12146 (df_bb_refs_delete): New function.
12147 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12148 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12149 basic block parameter to be able to clean out basic block when not
12151 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12152 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12153 Fixed to properly delete information if df is unused before
12156 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12158 PR rtl-optimization/25799
12159 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12160 Corrected confluence operator to remove bits from op2 before oring
12161 with op1 rather than removing bits from op1.
12162 (df_ru_transfer_function): Corrected test on wrong bitmap which
12163 caused infinite loop. Both of these problems were introduced in
12164 the dataflow rewrite.
12166 2006-01-19 DJ Delorie <dj@redhat.com>
12168 * reload1.c (find_reload_regs): Note the details of reload
12169 failures in the dump file.
12170 (spill_failure): Likewise.
12172 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12174 * loop-iv.c: Include df.h and hashtab.h.
12175 (enum iv_grd_result): New enum.
12176 (DF_REF_IV, DF_REF_IV_SET): New macros.
12177 (struct biv_entry): New.
12178 (df, bivs): New global variables.
12179 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12180 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12182 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12183 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12184 analyzed_for_bivness_p, record_biv): New functions.
12185 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12186 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12187 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12189 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12191 (iv_number_of_iterations): Use new interface to iv analysis.
12192 * loop-unroll.c: Do not include varray.h.
12193 (analyze_iv_to_split_insn): Use new interface to iv
12195 * loop-unswitch.c (may_unswitch_on): Ditto.
12196 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12198 (df_bb_modify): Realloc tables to the new index.
12199 (df_find_use): New function.
12200 * df.h (df_find_use): Declare.
12201 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12203 * cfgloop.h (struct rtx_iv): Remove analysed field.
12204 (iv_get_reaching_def): Removed.
12205 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12206 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12207 (loop-iv.o): Add df.h and hashtab.h dependency.
12208 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12210 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12213 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12215 (__floatundisf, __floatundidf): Likewise.
12216 * libgcc2.h (IS_IBM_EXTENDED): Define.
12218 2006-01-19 DJ Delorie <dj@redhat.com>
12220 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12222 2006-01-19 Paul Brook <paul@codesourcery.com>
12224 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12225 as nothrow when unwinding tables are disabled.
12227 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12230 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12231 of bit-field" when in system header.
12233 2006-01-19 DJ Delorie <dj@redhat.com>
12235 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12236 the 16 bit shift limit of the m16c.
12238 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12241 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12242 * config/i386/i386.c (output_set_got): Output the label if we have one
12243 for the TARGET_DEEP_BRANCH_PREDICTION case.
12245 2006-01-19 Jan Hubicka <jh@suse.cz>
12246 H.J. Lu <hongjiu.lu@intel.com>
12247 Evandro Menezes <evandro.menezes@amd.com>
12249 * invoke.texi (generic): Document
12251 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12252 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12253 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12254 (x86_use_incdec, x86_pad_returns): New variables
12255 (TARGET_CPU_DEFAULT_generic): New constant
12256 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12257 (enum processor_type): Add generic32 and generic64.
12258 * i386.md (cpu attribute): Add generic32/generic64
12259 (movhi splitter): Behave sanely when both partial_reg_dependency and
12260 partial_reg_stall are set.
12261 (K8 splitters): Enable for generic as well.
12262 * predicates.md (incdec_operand): Use TARGET_INCDEC
12263 (aligned_operand): Avoid memory mismatch stalls.
12264 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12265 * ppro.md: Enable for generic32
12266 * i386.c (generic64_cost, generic32_cost): New.
12267 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12268 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12269 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12270 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12271 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12272 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12273 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12274 x86_accumulate_outgoing_args, x86_prologue_using_move,
12275 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12276 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12277 Enable for generic.
12278 (x86_use_incdec, x86_pad_returns): New.
12279 (override_options): Add generic32 and generic64, translate "generic"
12280 to generic32/generic64 and "i686" to "generic32", refuse
12281 "generic32"/"generic64" as arch target.
12282 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12283 (ix86_reorg): Honor PAD_RETURNS.
12285 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12287 * tree-pretty-print.c (dump_generic_node): Handle
12288 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12289 * cgraph.c (cgraph_expand_queue): Rename from
12290 cgraph_analyze_queue. Update all users.
12291 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12292 cgraph_expand_queue.
12293 (cgraph_expand_all_functions): Likewise.
12294 (cgraph_finalize_pending_functions): Remove. Update callers.
12296 * tree.h (OMP_DIRECTIVE_P): Define.
12297 (OMP_PARALLEL_FN): Define.
12298 (OMP_PARALLEL_DATA_ARG): Define.
12299 (OMP_SECTIONS_SECTIONS): Define.
12300 * tree-pass.h (pass_expand_omp): Declare.
12301 * omp-low.c (struct omp_region): Declare.
12302 (struct omp_context): Remove fields 'parallel_type',
12303 'parallel_start_ix' and 'parallel_start_additional_args'.
12305 (struct omp_for_data): Rename from struct expand_omp_for_data.
12306 (omp_regions): New static variable.
12307 (root_omp_region): New static variable.
12308 (find_omp_clause): Make static.
12309 (is_in_combined_parallel_ctx): Remove.
12310 (is_combined_parallel): New.
12311 (extract_omp_for_data): Move earlier in the file.
12312 (workshare_safe_to_combine_p): New.
12313 (get_ws_args_for): New.
12314 (determine_parallel_type): Move earlier in the file.
12315 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12317 (omp_copy_decl): Likewise.
12318 (create_omp_child_function): Likewise.
12319 (lookup_omp_region): New.
12320 (dump_omp_region): New.
12321 (debug_omp_region): New.
12322 (debug_all_omp_regions): New.
12323 (new_omp_region): New.
12324 (scan_omp_parallel): If parallel_nesting_level > 1, the
12325 directive is nested within another parallel directive.
12326 Set OMP_PARALLEL_FN.
12327 (scan_omp_for): Do not try to handle combined parallel+for
12329 Remove FIXME comment.
12330 (scan_omp_nested): Remove.
12331 (scan_omp_1): Do not call scan_omp_nested when
12332 parallel_nesting_level is > 1.
12333 Do not change the DECL_CONTEXT of local variables found.
12334 (lookup_decl_in_outer_ctx): New.
12335 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12336 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12337 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12338 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12339 If CTX is nested, lookup VAR in the outer context when
12340 building copy assignment.
12341 (lower_send_clauses): Rename from expand_send_clauses.
12342 If CTX is nested, lookup VAR in the outer context when
12343 building copy assignments.
12344 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12345 If CTX is nested, lookup VAR in the outer context when
12346 building copy assignments.
12347 (expand_parallel_call): Rename from build_parallel_call.
12348 Handle combined parallel+workshare cases.
12349 Re-implement to emit code into the CFG.
12351 (expand_omp_parallel): Re-implement to emit code into the CFG.
12352 Call move_sese_region_to_fn to outline the sub-graph
12353 containing the parallel region.
12354 (expand_omp_for_1): Remove.
12355 (expand_omp_for_generic): Re-implement to emit code into the
12357 (expand_omp_for_static_nochunk): Likewise.
12358 (expand_omp_for_static_chunk): Likewise.
12359 (expand_omp_for): Likewise.
12360 (expand_omp_sections): Likewise.
12361 (remove_exit_barriers): New.
12362 (expand_omp_synch): New.
12364 (build_omp_regions_1): New.
12365 (build_omp_regions): New.
12366 (execute_expand_omp): New.
12367 (gate_expand_omp): New.
12368 (pass_expand_omp): Define.
12369 (lower_omp_sections): Rename from expand_omp_sections.
12370 Set OMP_SECTIONS_SECTIONS.
12371 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12372 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12373 (lower_omp_single): Rename from expand_omp_simple.
12374 (lower_omp_master): Rename from expand_omp_master.
12375 (lower_omp_ordered): Rename from expand_omp_ordered.
12376 (lower_omp_critical): Rename from expand_omp_critical.
12377 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12378 (lower_omp_for): Re-implement.
12379 (lower_omp_parallel): Re-implement.
12380 (lower_regimplify): Rename from expand_regimplify.
12381 (lower_omp_1): Rename from expand_omp_1.
12382 If there are syntax errors in the program, replace every
12383 OpenMP directive with NOP.
12384 Call lower_omp_* instead of expand_omp_*.
12385 (lower_omp): Rename from expand_omp.
12387 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12388 * tree-gimple.h (enum omp_parallel_type): Remove.
12389 (gimple_boolify): Declare extern.
12390 (find_omp_clause, determine_parallel_type): Remove.
12392 * gimple-low.c (lower_omp_directive): New.
12393 (lower_stmt): Call it.
12394 (record_vars_into): Move from ...
12395 (record_vars): ... here.
12396 Call record_vars_into with current_function_decl.
12398 * gimplify.c (struct gimplify_ctx): Remove fields
12399 combined_pre_p and combined_ctxp. Update users.
12400 (get_formal_tmp_var): Add documentation.
12401 (gimple_boolify): Make extern.
12402 (gimplify_expr_in_ctx): Remove. Update callers.
12403 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12404 will always be a BIND_EXPR.
12405 (gimplify_expr): Handle OMP_RETURN_EXPR.
12406 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12407 (OMP_PARALLEL): Add 3 operands.
12408 (OMP_SECTIONS): Add 1 operand.
12409 (OMP_RETURN_EXPR): Define.
12411 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12412 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12413 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12414 creating a circular free list.
12415 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12417 * tree-flow.h (move_sese_region_to_fn): Declare.
12418 (record_vars_into): Declare.
12419 * tree-cfg.c (make_omp_sections_edges): New.
12420 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12421 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12422 OMP_SECTIONS and OMP_SECTION.
12423 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12424 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12425 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12426 (gather_blocks_in_sese_region): New.
12427 (struct move_stmt_d): Declare.
12428 (move_stmt_r): New.
12429 (move_block_to_fn): New.
12430 (move_sese_region_to_fn): New.
12432 * passes.c (init_optimization_passes): Schedule
12433 pass_expand_omp after pass_init_datastructures.
12435 * tree-ssa-operands.c (get_expr_operands): Handle
12436 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12437 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12439 2006-01-19 Jeff Law <law@redhat.com>
12441 * tree-vrp.c (extract_range_from_assert): Refine the result range
12442 if the variable referenced by the ASSERT_EXPR has a range and
12443 either the tentative result range or the previous range is a
12446 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12448 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12450 2006-01-19 Jan Hubicka <jh@suse.cz>
12452 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12454 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12456 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12457 (expand_compound_operation, expand_field_assignment): Fail if the
12458 bit lengths of an extract operation are out of range.
12459 (make_extraction): Compute wanted_inner_mode based on the position
12460 and length of the extraction. Make it extraction_mode for non-constant
12461 positions, and do not modify offset in that case. When generating a
12462 new MEM, use a mode that can hold the extraction while keeping correct
12463 alignment. Remove code that supported MEMs wrapped by USEs.
12464 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12466 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12468 * config/s390/s390.md ("Y", "y"): New mode attribute.
12469 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12470 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12471 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12472 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12473 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12474 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12475 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12476 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12477 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12478 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12479 "addsi3", "subsi3"): Insn patterns removed.
12480 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12481 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12482 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12483 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12484 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12485 "*sub<mode>3_cconly2"): New insn patterns.
12486 ("addsi3", "subsi3"): New expanders.
12488 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12490 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12491 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12492 existing STMT_VINFO_VECTYPE if available.
12493 (vect_mark_relevant): Add special handling for stmts that are
12494 marked as STMT_VINFO_IN_PATTERN_P.
12495 (vect_analyze_loop): Call vect_pattern_recog.
12496 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12497 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12499 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12500 (vect_recog_func_ptr): New function-pointer type.
12501 * tree-vect-patterns.c: New file.
12502 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12503 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12504 (vect_pattern_recog_1): New functions.
12505 (vect_pattern_recog_funcs): New array of function pointers.
12507 * tree-vectorizer.h (ternary_op): New enum value.
12508 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12509 declaration. Revised documentation. Removed redundant dump prints.
12510 Removed redundant argument. Added support for reduction patterns.
12511 (vectorizable_reduction): Added support for reduction patterns.
12512 (vect_transform_stmt): Added support for patterns.
12514 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12515 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12516 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12517 (expand_widen_pattern_expr): New function.
12518 (init_optabs): Initialize new optabs udot_prod_optab,
12520 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12521 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12522 (expand_widen_pattern_expr): New function declaration.
12523 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12525 * tree-inline.c (estimate_num_insns_1): Added cases for new
12526 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12527 * tree-pretty-print.c (dump_generic_node): Likewise.
12528 (op_prio): Likewise.
12529 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12530 * tree-ssa-operands.c (get_expr_operands): Added case for
12532 * tree-vect-patterns.c (widened_name_p): New function.
12533 (vect_recog_dot_prod_pattern): Added function implementation.
12534 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12535 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12536 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12537 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12539 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12540 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12541 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12542 (init_optabs): Initialize new optabs widen_ssum_optab,
12544 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12545 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12546 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12547 use instead of type of def.
12548 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12549 function implementation.
12550 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12551 widen_ssumv8hi): New.
12553 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12556 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12559 * c-decl.c (add_flexible_array_elts_to_size): New function.
12560 (finish_decl): Use it.
12562 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12564 * diagnostic.h: Include options.h.
12565 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12566 dependancies for diagnostic.h.
12567 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12569 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12571 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12572 (ssa_ro_call_cache_valid): Ditto.
12573 * tree-ssa-alias.c (sort_tags_by_id): New function.
12574 (init_transitive_clobber_worklist): Ditto.
12575 (add_to_worklist): Ditto.
12576 (mark_aliases_call_clobbered): Ditto.
12577 (compute_tag_properties): Ditto.
12578 (set_initial_properties): Ditto.
12579 (compute_call_clobbered): Ditto.
12580 (compute_may_aliases): Call compute_call_clobbered and grouping.
12581 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12582 (compute_flow_insensitive_aliasing): Grouping now happens in our
12584 (setup_pointers_and_addressables): Remove clobbering related code.
12585 (add_may_alias): Ditto.
12586 (replace_may_alias): Ditto.
12587 (get_nmt_for): Ditto.
12588 (create_global_var):
12589 (is_escape_site): Return an escape_type enumeration.
12590 * tree-flow-inline.h (is_call_clobbered): Global var does not
12591 imply call clobbered.
12592 (mark_call_clobbered): Take a reason for marking this. Remove
12593 marking of globalness, and cache invalidation.
12594 (clear_call_clobbered): Remove cache invalidation code.
12595 * tree-dfa.c (dump_variable): If details is on, dump the reason
12597 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12599 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12600 (struct var_ann_d): Ditto.
12601 (enum escape_type): New.
12602 (mark_call_clobbered): Adjust prototype.
12603 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12604 are never call clobbered.
12605 Record reasons for escaping.
12606 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12607 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12608 (ssa_ro_call_cache_valid): Ditto.
12609 (clobbered_v_may_defs): Ditto.
12610 (clobbered_vuses): Ditto.
12611 (ro_call_vuses): Ditto.
12612 (clobber_stats): New.
12613 (init_ssa_operands): Zero out clobber stats.
12614 (fini_ssa_operands): Print out clobber stats.
12615 (get_call_expr_operands): Pass callee fndecl to
12616 add_call_read_ops).
12617 (add_call_clobber_ops): Remove use of cache.
12618 Add use of PURE_CONST information.
12619 (add_call_read_ops): Remove use of cache.
12620 Add use of static not_read information.
12622 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12624 Introduce TLS descriptors for i386 and x86_64.
12625 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12626 (TARGET_ANY_GNU_TLS): New macro.
12627 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12628 (struct machine_function): Add tls_descriptor_call_expanded_p.
12629 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12630 (ix86_current_function_calls_tls_descriptor): Likewise.
12631 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12632 (override_options): Introduce gnu2 tls dialect.
12633 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12635 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12637 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12638 (ix86_init_machine_status): Initialize new field.
12639 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12640 (ix86_tls_module_base): New.
12641 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12642 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12643 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12644 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12645 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12646 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12647 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12648 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12649 * config/i386/predicates.md (tls_modbase_operand): New.
12650 (tp_or_register_operand): New.
12652 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12654 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12655 (look_for_address_of): Ditto.
12656 (ipa_init): Walk the function decls.
12657 (static_execute): Don't set readonly on FUNCTION_DECL's.
12659 2006-01-18 Roger Sayle <roger@eyesopen.com>
12661 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12662 for shifts where the source and destination registers are different.
12664 2006-01-18 Paul Brook <paul@codesourcery.com>
12666 Merge from csl-arm-branch.
12667 2005-03-14 Julian Brown <julian@codesourcery.com>
12668 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12669 (aeabi_llsl): Likewise.
12670 (ashrdi3): Likewise.
12671 (aeabi_lasr): Likewise.
12672 (lshrdi3): Likewise.
12673 (aeabi_llsr): Likewise.
12674 2005-03-10 Julian Brown <julian@codesourcery.com>
12675 * config.gcc: Disable shared libgcc for SymbianOS.
12676 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12678 2006-01-18 DJ Delorie <dj@redhat.com>
12680 * c-pragma.c (handle_pragma_diagnostic): New.
12681 (init_pragma): Register it.
12682 * doc/extend.texi: Document it.
12684 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12685 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12686 (diagnostic_context): Add classify_diagnostic[].
12687 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12688 as errors if they're overridden to DK_WARNING.
12689 (diagnostic_initialize): Initialize classify_diagnostic[].
12690 (diagnostic_set_kind_override): New.
12691 (diagnostic_report_diagnostic): Check for kind changes.
12692 * opts.c (common_handle_option): Take lang_mask. Update callers.
12693 Handle OPT_Werror_.
12694 * common.opt (Werror=): New.
12695 * doc/invoke.texi: Document -Werror=*
12697 2006-01-18 Jeff Law <law@redhat.com>
12699 * tree-vrp.c (test_for_singularity): Correct test for new
12700 min limit. Use operand_equal_p rather than pointer equality
12701 for testing if new min/max values are equal.
12703 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12704 using range information until after propagation and folding.
12706 2006-01-18 Richard Henderson <rth@redhat.com>
12707 Aldy Hernandez <aldyh@redhat.com>
12708 Jakub Jelinek <jakub@redhat.com>
12709 Diego Novillo <dnovillo@redhat.com>
12711 * omp-low.c: New file.
12712 * c-omp.c: New file.
12714 2006-01-18 Richard Henderson <rth@redhat.com>
12715 Jakub Jelinek <jakub@redhat.com>
12716 Diego Novillo <dnovillo@redhat.com>
12718 * doc/invoke.texi: Document -fopenmp.
12719 * tree-dump.h (debug_function): Declare.
12720 * hooks.c (hook_bool_tree_bool_false): New function.
12721 (hook_tree_tree_null): Remove.
12722 (hook_tree_tree_tree_null): New.
12723 * hooks.h: Update to match.
12724 * tree-pretty-print.c (debug_tree_chain): New.
12725 (print_generic_expr): Handle TDF_CHAIN.
12726 (dump_generic_node): Handle BLOCK.
12727 Do not abort with incomplete SWITCH_EXPRs.
12728 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12729 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12730 print space after directive name.
12731 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12732 Handle OMP_MASTER and OMP_ORDERED.
12733 Handle printing of OMP_BODY just in one place, goto
12734 dump_omp_body in the rest of OMP_* nodes that have
12736 Don't handle clause nodes here. Update omp statements to
12737 use dump_omp_clauses.
12738 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12739 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12740 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12741 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12742 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12743 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12744 Adjust output for GOMP_PARALLEL.
12745 (dump_omp_clauses): New.
12746 (print_declaration): Dump DECL_VALUE_EXPR.
12747 (op_symbol_1): Split out of op_symbol.
12748 (dumping_stmts): Remove. Update all users.
12749 * cgraph.c (cgraph_analyze_queue): New.
12750 (cgraph_add_new_function): New.
12751 * cgraph.h (cgraph_analyze_queue): Declare.
12752 (cgraph_add_new_function): Declare.
12753 (cgraph_lower_function): Remove.
12754 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12755 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12756 and TYPE_P nodes in its default clause.
12757 (empty_body_p): New.
12758 (tree_range_check_failed): New.
12759 (build5_stat): New.
12760 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12761 OMP_CLAUSE_REDUCTION_MERGE,
12762 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12763 OMP_CLAUSE_PRIVATE_DEBUG,
12764 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12765 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12766 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12767 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12768 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12769 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12770 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12771 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12772 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12773 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12774 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12775 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12776 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12777 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12778 (TREE_RANGE_CHECK): New.
12779 (empty_body_p): Declare.
12780 (enum omp_clause_default_kind): New.
12781 (build_string_literal): Declare.
12782 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12783 (build5_stat, build5): Declare.
12784 * tree-pass.h (TDF_CHAIN): Define.
12785 * tree-pass.h (PROP_gimple_lomp): Define.
12786 (pass_lower_omp): Declare.
12787 * diagnostic.h (debug_tree_chain): Declare.
12788 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12790 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12791 * builtins.c (build_string_literal): Make extern.
12792 * gcc.c (include_spec_function): New.
12793 (static_spec_functions): Add it.
12794 (main): Move load of libgomp.spec ...
12795 (LINK_COMMAND_SPEC): ... here.
12796 (link_gomp_spec): New.
12797 (static_specs): Include it.
12798 (LINK_COMMAND_SPEC): Add link_gomp.
12799 (GOMP_SELF_SPECS): New.
12800 (driver_self_specs): Include it.
12801 (switch_matches): Don't mark inline.
12802 (main): Load libgomp.spec.
12803 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12804 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12805 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12806 * tree-gimple.h (enum omp_parallel): Declare.
12807 (determine_parallel_type): Declare.
12808 (omp_firstprivatize_variable): Declare.
12809 (omp_reduction_init): Declare.
12810 (diagnose_omp_structured_block_errors): Declare.
12811 (struct walk_stmt_info): Add want_return_expr.
12812 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12813 (find_omp_clause): Declare.
12814 (insert_field_into_struct): Declare.
12815 (struct walk_stmt_info): Move from tree-nested.c
12816 (walk_stmts): Declare.
12817 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12819 * cgraphunit.c (cgraph_lower_function): Make static.
12820 (cgraph_finalize_pending_functions): New.
12821 (cgraph_finalize_function): Call it.
12822 (cgraph_finalize_compilation_unit): Likewise.
12823 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12824 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12825 (BT_FN_UINT_UINT): New.
12826 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12827 DEF_FUNCTION_TYPE_VAR_4): Document.
12828 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12829 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12830 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12831 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12832 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12833 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12834 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12835 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12836 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12837 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12838 into separate files.
12839 (DEF_GOMP_BUILTIN): New.
12840 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12841 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12842 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12843 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12844 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12845 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12846 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12847 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12848 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12849 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12850 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12851 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12852 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12853 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12854 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12855 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12856 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12857 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12858 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12859 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12860 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12861 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12862 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12863 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12864 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12865 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12866 * sync-builtins.def: New file, moved from builtins.def.
12867 * omp-builtins.def: New file, moved from builtins.def.
12868 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12869 * gimple-low.c (lower_function_body): Clear data.
12870 (lower_stmt): Do not handle COMPOUND_EXPR.
12871 Remove call to print_node_brief.
12872 * c-tree.h (c_finish_omp_clauses): New prototype.
12873 (C_DECL_THREADPRIVATE_P): Define.
12874 (lookup_name_no_remap, c_omp_remap_private): Remove
12875 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12876 (check_for_loop_decls): Update decl.
12877 (lookup_name_no_remap, c_omp_remap_private): Declare.
12878 (build_indirect_ref, build_modify_expr, pushdecl,
12879 pushdecl_top_level): Move to c-common.h.
12880 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12881 before the switch, but just in the 2 places that need it.
12882 * c-decl.c (diagnose_mismatched_decls): Do not check for
12883 mismatched thread-local attributes when OLDDECL is marked
12884 threadprivate and NEWDECL has no thread-local attributes.
12885 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12886 (c_gimple_diagnostics_recursively): Rename from
12887 c_warn_unused_result_recursively. Invoke
12888 diagnose_omp_structured_block_errors.
12889 (check_for_loop_decls): Return a singular decl found.
12890 * langhooks.c (lhd_omp_predetermined_sharing): Return
12891 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12892 (lhd_omp_firstprivatize_type_sizes): New.
12893 (lhd_omp_assignment): New.
12894 (lhd_omp_predetermined_sharing): New.
12895 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12896 (struct lang_hooks_for_types): Add
12897 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12898 omp_predetermined_sharing, omp_disregard_value_expr,
12899 omp_private_debug_clause, omp_clause_default_ctor,
12900 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12901 (c_finish_omp_clauses): New.
12902 (c_finish_bc_stmt): Diagnose break within omp for.
12903 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12904 (build_unary_op): Return error_mark after reporting
12906 (build_modify_expr): Likewise.
12907 * gimplify.c: Include optabs.h and pointer-set.h.
12908 (enum gimplify_omp_var_data): Declare.
12909 (struct gimplify_omp_ctx): Declare.
12910 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12912 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12913 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12914 (splay_tree_compare_decl_uid): New.
12915 (new_omp_context): New.
12916 (delete_omp_context): New.
12917 (gimple_add_tmp_var): Call omp_add_variable.
12918 (gimplify_bind_expr): Likewise.
12919 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12920 true, disregard DECL_VALUE_EXPR on the decl if any.
12921 (gimplify_expr_in_ctx): New.
12922 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12923 omp_add_variable, omp_notice_variable, omp_is_private
12924 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12925 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12926 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12927 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12928 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12929 gimplify_omp_atomic): New.
12930 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12931 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12932 OMP_CRITICAL and OMP_ATOMIC.
12933 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12934 * c-pragma.h (enum pragma_kind): Add
12935 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12936 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12937 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12938 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12939 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12940 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12941 PRAGMA_OMP_THREADPRIVATE.
12942 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12943 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12944 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12945 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12946 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12947 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12948 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12949 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12950 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12951 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12952 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12953 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12954 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12956 (struct nesting_info): Add field_map,
12957 suppress_expansion, debug_var_chain.
12958 (create_nesting_tree): Initialize them.
12959 (lookup_field_for_decl): Use field_map.
12960 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12961 (convert_local_omp_clauses): New.
12962 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12963 (walk_body): Split out of walk_function.
12964 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12965 (convert_nonlocal_reference): Handle omp statements.
12966 (convert_local_reference): Likewise.
12967 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12968 (unnest_nesting_tree): New.
12969 (lower_nested_functions): Call it.
12970 (insert_field_into_struct): Make extern.
12971 (struct walk_stmt_info): Move to tree-gimple.h.
12972 (walk_stmts): Make extern.
12973 * omp-builtins.def: New file.
12974 * tree-iterator.c (expr_only): Clarify comment.
12975 * c-common.h (pushdecl_top_level, pushdecl,
12976 build_modify_expr, build_indirect_ref,
12977 c_finish_omp_master, c_finish_omp_critical,
12978 c_finish_omp_ordered, c_finish_omp_barrier,
12979 c_finish_omp_atomic, c_finish_omp_flush,
12980 c_finish_omp_for, c_split_parallel_clauses,
12981 omp_clause_default_kind, c_omp_sharing_predetermined,
12982 c_omp_remap_decl): Declare.
12983 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12984 (OBJS-common): Add omp-low.o.
12985 (c-omp.o, omp-low.o): Add.
12986 (gimplify.o): Add dependency on $(OPTABS_H).
12987 (GTFILES): Add omp-low.c.
12988 (gt-stringpool.h): Add.
12989 * tree-cfg.c (set_bb_for_stmt): Do not update the
12990 block-to-labels map if we are currently expanding to RTL.
12991 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12993 Handle IDENTIFIER_NODE.
12994 (tree_verify_flow_info): Do not ICE when emitting error
12995 messages about invalid labels.
12996 (dump_function_to_file): Reset CFUN before emitting the body
12998 (debug_function): New.
12999 * passes.c (init_optimization_passes): Schedule
13001 * langhooks-def.h (lhd_omp_predetermined_sharing,
13002 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13004 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13005 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13006 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13007 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13008 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13009 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13010 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13011 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13012 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13013 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13014 (LANG_HOOK_DECLS): Use them.
13016 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13017 Richard Henderson <rth@redhat.com>
13018 Jakub Jelinek <jakub@redhat.com>
13019 Diego Novillo <dnovillo@redhat.com>
13021 * c-parser.c (pragma_omp_clause): Define.
13022 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13023 (c_parser_compound_statement): Likewise.
13024 (c_parser_statement): Likewise.
13025 (c_parser_pragma): Handle omp pragmas.
13026 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13027 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13028 (c_parser_omp_clause_name, check_no_duplicate_clause,
13029 c_parser_omp_variable_list,
13030 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13031 c_parser_omp_clause_copyprivate,
13032 c_parser_omp_clause_default,
13033 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13034 c_parser_omp_clause_lastprivate,
13035 c_parser_omp_clause_nowait,
13036 c_parser_omp_clause_num_threads,
13037 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13038 c_parser_omp_clause_reduction,
13039 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13040 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13041 c_parser_omp_atomic, c_parser_omp_barrier,
13042 c_parser_omp_critical, c_parser_omp_flush,
13043 c_parser_omp_for_loop, c_parser_omp_for,
13044 c_parser_omp_master, c_parser_omp_ordered,
13045 c_parser_omp_sections_scope, c_parser_omp_sections,
13046 c_parser_omp_parallel, c_parser_omp_single,
13047 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13048 * c-pragma.c (init_pragma): Do omp pragma registration here.
13049 * c.opt (fopenmp): New flag.
13051 2006-01-18 Eric Christopher <echristo@apple.com>
13053 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13054 * config/darwin.h (GOMP_SELF_SPECS): Define.
13056 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13058 * rtl.h: Remove the prototype for reg_alloc.
13060 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13063 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13064 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13065 sjlj and dwarf2 exception handling.
13066 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13067 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13068 * pa/pa.c (function_value): Treat complex and vector types as
13070 (function_arg): Likewise. Only pass scalar floats in the floating
13071 point argument registers.
13072 * pa/t-slibgcc-dwarf-ver: New file.
13073 * pa/t-slibgcc-sjlj-ver: New file.
13074 * pa/t-slibgcc-elf-ver: Delete file.
13076 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13078 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13079 unlikely_test_section_p test.
13081 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13083 * mode-switching.c (optimize_mode_switching): Make it static.
13084 * basic-block.h: Remove the prototype for
13085 optimize_mode_switching.
13087 * modulo-sched.c (sms_schedule): Make it static.
13088 * rtl.h: Remove the prototype for sms_schedule.
13090 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13091 * rtl.h: Remove the prototype for gcse_after_reload_main.
13093 * reg-stack.c (reg_to_stack): Make it static.
13094 * rtl.h: Remove the prototype for reg_to_stack.
13096 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13098 * rtl.h: Remove the prototypes for regrename_optimize and
13099 copyprop_hardreg_forward.
13101 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13103 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13104 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13105 Test against the appropriate null constant for the mode.
13106 If 'fixup_overlap' is true, swap the operands if they overlap.
13107 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13108 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13109 alpha_split_tmode_pair and adjust for above change.
13110 * config/alpha/alpha.md (movtf_internal): Adjust call to
13111 alpha_split_tfmode_pair and rely on it to swap the operands.
13112 (movti_internal): New insn and post-reload splitter.
13113 (movti): New expander.
13115 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13117 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13120 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13122 * rtlanal.c (global_reg_mentioned_p_1,
13123 global_reg_mentioned_p): Remove.
13124 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13126 * flow.c (initialize_uninitialized_subregs): Make it static.
13127 * rtl.h: Remove the prototype for
13128 initialize_uninitialized_subregs.
13130 * function.c (instantiate_virtual_regs): Make it static.
13131 * function.h: Remove the prototype for
13132 instantiate_virtual_regs.
13134 * regmove.c (regmove_optimize, combine_stack_adjustments):
13136 * rtl.h: Remove the prototypes for regmove_optimize and
13137 combine_stack_adjustments.
13139 2006-01-17 Roger Sayle <roger@eyesopen.com>
13141 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13142 (size_cost): Encode costs in bytes so that a reg-reg addition is
13143 equivalent to COSTS_N_INSNS(1).
13144 (override_options): Use the size_cost.branch_cost as the default
13145 ix86_branch_cost when optimizing for size.
13147 2006-01-18 Ben Elliston <bje@au.ibm.com>
13149 * Makefile.in (D32PBIT_FUNCS): New.
13150 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13151 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13152 D64PBIT_FUNCS and D128PBIT_FUNCS.
13153 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13154 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13156 (decnumber_dep): Define.
13157 * doc/libgcc.texi (Decimal float library routines): New node.
13158 * config/dfp-bit.h, config/dfp-bit.c: New files.
13160 2006-01-18 Ben Elliston <bje@au.ibm.com>
13162 * expr.c (emit_move_change_mode): Always adjust addresses, not
13163 just during reload. Copy replacements only during reload.
13164 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13165 emit_move_via_integer.
13167 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13169 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13170 instead of $(srcdir) and ${srcdir}.
13172 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13175 PR middle-end/11135
13176 * arm.h (struct machine_function): Add pic_reg.
13177 * arm.c (arm_pic_register): Make unsigned.
13178 (arm_override_options): Only set arm_pic_register if
13179 TARGET_SINGLE_PIC_BASE.
13180 (use_return_insn): Only test for a pic register if it is fixed.
13181 (arm_compute_save_reg0_reg12_mask): Likewise.
13182 (thumb_compute_save_reg_mask): Likewise.
13183 (legitimate_pic_operand): Factor out some known invariants.
13184 (legitimize_pic_address): If we don't have a fixed pic register,
13185 then set up a pseudo in the function entry sequence. Handle the
13186 pic base being in a pseudo.
13187 (arm_load_pic_register): Handle the pic register being in a pseudo.
13188 (arm_expand_prologue): Only set up the pic register if it is fixed.
13189 (thumb_expand_prologue): Likewise.
13190 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13191 (pic_load_addr_based_insn): Likewise.
13192 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13195 2006-01-18 Ben Elliston <bje@au.ibm.com>
13197 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13198 decimal float modes for all floating point registers.
13200 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13201 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13203 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13206 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13207 even when the pointer is not NULL.
13209 2006-01-16 Ian Lance Taylor <ian@airs.com>
13211 * common.opt (ftoplevel-reorder): New option.
13212 * cgraph.c (cgraph_asm_nodes): New global variable.
13213 (cgraph_asm_last_node): New static variable.
13214 (cgraph_order): New global variable.
13215 (cgraph_create_node): Set new order field.
13216 (cgraph_varpool_node): Likewise.
13217 (decide_is_variable_needed): Return true if not
13218 flag_toplevel_reorder.
13219 (cgraph_add_asm_node): New function.
13220 * cgraph.h (struct cgraph_node): Add order field.
13221 (struct cgraph_varpool_node): Add order field.
13222 (struct cgraph_asm_node): Define.
13223 (cgraph_asm_nodes, cgraph_order): Declare.
13224 (cgraph_add_asm_node): Declare.
13225 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13227 (cgraph_varpool_assemble_pending_decls): Call it.
13228 (cgraph_output_pending_asms): New static function.
13229 (cgraph_finalize_compilation_unit): Call it.
13230 (struct cgraph_order_sort): Define.
13231 (cgraph_output_in_order): New static function.
13232 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13233 !flag_toplevel_reorder case.
13234 * c-parser.c: Include "cgraph.h".
13235 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13237 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13238 than -fno-unit-at-a-time.
13239 * doc/invoke.texi (Option Summary): Mention
13240 -fno-toplevel-reorder.
13241 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13242 -funit-at-a-time documentation.
13244 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13245 Kazu Hirata <kazu@codesourcery.com>
13247 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13249 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13251 * Makefile.in (FUNCTION_H): New. Use it instead of
13252 function.h throughout the file.
13253 * function.h: Include tree.h.
13255 2006-01-17 Ben Elliston <bje@au.ibm.com>
13257 * recog.c: Separate some functions with whitespace.
13259 2006-01-16 Richard Henderson <rth@redhat.com>
13261 Merge from gomp branch:
13262 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13263 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13264 and rename from struct inline_data. Rename callee* to dst*;
13265 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13266 transform_new_cfg, transform_return_to_modify, and
13267 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13269 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13270 (copy_decl_for_dup): Remove.
13271 * tree-inline.c (struct inline_data): Move to header.
13272 (insert_decl_map): Export.
13273 (remap_decl): Update for member name changes. Use copy_decl hook.
13274 Allow for replacement to be a non-decl. Remove dead code.
13275 (remap_type_1): Check for existing mapping.
13276 (remap_type): Export.
13277 (remap_decls): Update for member name changes.
13278 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13279 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13280 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13281 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13282 (tree_function_versioning, build_duplicate_type): Likewise.
13283 (copy_body_r): Likewise. Export.
13284 (copy_decl_for_dup): Split into ...
13285 (copy_decl_for_dup_finish, copy_decl_to_var,
13286 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13287 (replace_ref_tree, inlining_p): Remove.
13289 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13291 * ifcvt.c (if_convert): Make it static.
13292 * rtl.h: Remove the prototype for if_convert.
13294 * local-alloc.c (local_alloc): Make it static.
13295 * rtl.h: Remove the prototype for local_alloc.
13297 * loop.c (loop_optimize): Make it static.
13298 * cfgloop.h: Remove the prototype for loop_optimize.
13301 2006-01-16 DJ Delorie <dj@redhat.com>
13303 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13306 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13308 * pa.md: Disparage copies between general and floating-point registers
13309 in 32-bit move patterns.
13311 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13314 * Makefile.in (check-%): Depend on site.exp instead of
13315 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13318 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13320 * global.c (global_alloc): Make it static.
13321 * rtl.h: Remove the prototype for global_alloc.
13323 2006-01-16 Richard Guenther <rguenther@suse.de>
13325 * tree-ssa-alias.c (struct used_part): Add write_only field.
13326 (get_or_create_used_part_for): Initialize it to true.
13327 (create_overlap_variables_for): Don't create structure variables
13328 for structures that only are written to.
13329 (find_used_portions): Handle MODIFY_EXPR to track whether a
13330 structure is only written to.
13332 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13334 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13336 * basic-block.h: Remove the prototype for
13337 partition_hot_cold_basic_blocks.
13339 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13341 * cppspec.c (lang_specific_spec_functions): Remove.
13342 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13343 * gcc.h (lang_specific_spec_functions): Remove.
13344 * gccspec.c (lang_specific_spec_functions): Remove.
13346 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13348 * combine.c (record_value_for_reg): Invalidate registers
13350 (record_dead_and_set_regs_1): Likewise, by passing them to
13351 record_value_for_reg.
13352 (record_dead_and_set_regs): Invalidate stores made by a
13353 call. We do not combine across a call, but we still
13354 relied on equivalences.
13356 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13358 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13359 vrp_int_const_binop returning non-constant nodes.
13361 2006-01-16 Paul Brook <paul@codesourcery.com>
13363 * config/m68k/m68k.c (output_move_const_into_data_reg):
13364 Output correct mnemonic for mvz and mvs.
13366 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13368 * rtl-factoring.c: Add sequence abstraction algorithm.
13369 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13370 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13372 (block_has_preserve_label): New function.
13373 * common.opt: Register new pass.
13374 * Makefile.in: Ditto.
13376 * timevar.def: Ditto.
13377 * tree-pass.h: Ditto.
13378 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13379 * rtl.h (make_jump_insn_raw): Add forward decl.
13380 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13382 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13383 Roger Sayle <roger@eyesopen.com>
13385 * fold-const.c (fold_minmax): New static function.
13386 (fold_binary) <MIN_EXPR>: Call it.
13387 <MAX_EXPR>: Likewise.
13388 * stor-layout.c (place_field): Use DECL_SIZE consistently
13389 in the computation of the new record size.
13391 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13393 * cse.c (cse_condition_code_reg): Make it static.
13394 * rtl.h: Remove the prototype for cse_condition_code_reg.
13396 * combine.c (combine_instructions): Make it static.
13397 * rtl.h: Remove the prototype for combine_instructions.
13399 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13402 * tree.c (get_file_function_name_long): Concatenate the first global
13403 object name with a string derived from the input filename of the object
13406 2006-01-16 Ben Elliston <bje@au.ibm.com>
13408 * config/i386/winnt-stubs.c: Update FSF address.
13409 * config/xtensa/ieee754-df.S: Ditto.
13410 * config/xtensa/ieee754-sf.S: Ditto.
13412 2006-01-14 Ian Lance Taylor <ian@airs.com>
13414 * ifcvt.c (noce_init_if_info): New static function, broken out of
13415 noce_process_if_block.
13416 (noce_process_if_block): Call noce_init_if_info.
13417 (check_cond_move_block): New static function.
13418 (cond_move_process_if_block): New static function.
13419 (process_if_block): Call cond_move_process_if_block.
13421 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13423 * cselib.c (hash_table): Rename to cselib_hash_table.
13424 (cselib_clear_table, discard_useless_values,
13425 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13426 cselib_init, cselib_finish): Adjust uses of hash_table.
13428 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13430 PR tree-optimization/25485
13431 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13432 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13433 is known to be false and true, respectively.
13435 2006-01-14 Richard Guenther <rguenther@suse.de>
13437 PR tree-optimization/22548
13438 PR tree-optimization/22555
13439 PR tree-optimization/22501
13440 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13441 * params.def (salias-max-array-elements): New parameter.
13442 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13443 * doc/invoke.texi (salias-max-array-elements): Document.
13444 * tree-flow-inline.h (var_can_have_subvars): We also handle
13446 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13448 * tree-ssa-structalias.c (params.h): Include.
13449 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13450 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13451 (get_constraint_for): For ADDR_EXPR operating on something
13452 containing an ARRAY_REF, add all subvars to the solution.
13453 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13454 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13455 for creating MUST_DEFs.
13456 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13458 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13460 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13462 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13463 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13464 number_of_iterations_le): New functions.
13465 (number_of_iterations_special): Removed.
13466 (number_of_iterations_exit): Do not use number_of_iterations_special.
13467 * tree.c (unsigned_type_for): Always return integer type.
13469 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13470 Richard Guenther <rguenther@suse.de>
13472 PR rtl-optimization/24257
13473 * gcse.c (find_moveable_store): Only consider a store movable
13474 when the SET_SRC of the insn can be assigned to a register.
13476 2006-01-14 Ian Lance Taylor <ian@airs.com>
13478 * tree.c (tree_not_class_check_failed): New function.
13479 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13480 (tree_not_class_check_failed): Declare.
13482 2006-01-13 Ian Lance Taylor <ian@airs.com>
13484 * reload1.c (do_output_reload): Add assertion rejecting a
13487 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13489 * combine.c (struct reg_stat): Add new fields truncation_label and
13491 (record_value_for_reg): Reset truncated_to_mode.
13492 (record_truncated_value): New function.
13493 (check_promoted_subreg): Call it. Rename to check_conversions.
13494 (combine_instructions): Rename check_promoted_subreg to
13496 (reg_truncated_to_mode): New function.
13497 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13498 (gen_lowpart_or_truncate): New function.
13499 (force_to_mode): Use it instead of gen_lowpart.
13501 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13503 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13504 VAR is a tag, not its type tag.
13506 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13508 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13509 alternatives to match style of other entries.
13510 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13512 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13514 PR tree-optimization/25771
13515 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13518 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13521 * tree-inline.c (declare_return_variable): If the return variable
13522 was marked as a non gimple complex, set the return slot variable
13523 to be a non gimple comple variable.
13525 2006-01-13 Richard Guenther <rguenther@suse.de>
13527 * builtins.c (expand_builtin_sincos): New function.
13528 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13530 (expand_builtin): Expand sincos using expand_builtin_sincos.
13532 2006-01-12 DJ Delorie <dj@redhat.com>
13534 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13535 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13536 so that constant shifts can be split.
13537 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13538 (m32c_valid_pointer_mode): Make static.
13539 (shift_gen_func_for): New.
13540 (m32c_prepare_shift): Use it. Split large const shifts into
13542 * config/m32c/predicates.md (shiftcount_operand): Allow more
13544 (longshiftcount_operand): New.
13545 * doc/md.texi (Machine Constraints): Document In6.
13547 2006-01-13 Ben Elliston <bje@au.ibm.com>
13549 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13550 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13553 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13555 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13556 to try to avoid clobbering pieces of structures when we know
13557 something about the whole structure.
13558 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13560 2006-01-13 Ben Elliston <bje@au.ibm.com>
13562 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13563 return in memory, as this is no limitation is no longer present.
13565 2006-01-12 DJ Delorie <dj@redhat.com>
13567 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13568 mova with fb, and for fb+0 -> An.
13570 * config/m32c/mov.md (peephole2): Fix enabling logic.
13572 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13573 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13574 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13575 FINI_ARRAY_SECTION_ASM_OP): Define.
13577 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13579 (m32c_legitimize_reload_address): New logic to reload FB to An.
13580 (m32c_output_reg_push): Add newline.
13581 (m32c_output_reg_pop): Likewise.
13583 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13585 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13587 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13589 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13591 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13593 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13596 2006-01-11 Ben Elliston <bje@au.ibm.com>
13598 * rtlanal.c (find_reg_note): Assert insn is not null.
13600 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13602 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13605 2006-01-11 Jeff Law <law@redhat.com>
13607 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13609 (mark_threaded_blocks, register_jump_thread): New functions.
13610 (thread_through_all_blocks): Remove unwanted argument. No
13611 longer rely on e->aux to communicate thread target info.
13612 Call mark_threaded_blocks. Release the threaded_blocks
13613 bitmap and threaded_edges vector when complete.
13614 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13615 (threaded_blocks): Remove.
13616 (tree_ssa_dominator_optimize): Remove initialization and
13617 finalization of threaded_blocks. Simplify call to
13618 thread_through_all_blocks.
13619 (thread_across_edge): Call register_jump_thread rather than
13620 storing thread information into e->aux.
13621 (free_all_edge_infos): Simplify now that e->aux is no longer
13622 used to communicate with thread_through_all_blocks.
13623 * tree-flow.h (thread_through_all_blocks): Update prototype.
13624 (register_jump_thread): Prototype.
13626 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13628 * df-core.c (df_compact_blocks, df_bb_replace): Use
13629 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13631 2006-01-11 Richard Guenther <rguenther@suse.de>
13633 PR tree-optimization/25734
13634 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13635 stop propagation after successful propagation to the LHS.
13637 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13639 * basic-block.h (control_flow_graph): Change the type of
13640 x_basic_block_info to VEC(basic_block,gc) *.
13641 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13643 (SET_BASIC_BLOCK): New.
13644 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13645 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13646 * cfgbuild.c (find_basic_blocks): Likewise.
13647 * cfglayout.c (fixup_reorder_chain): Likewise.
13648 * cfgrtl.c (create_basic_block_structure,
13649 rtl_create_basic_block): Likewise.
13650 * ifcvt.c (find_if_case_1): Likewise.
13651 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13654 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13656 * Makefile.in: Removed rotted odf.c entry.
13658 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13661 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13662 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13663 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13664 output pattern modifier, not %e.
13665 * config/cris/cris.c (cris_op_str): Update comment about pattern
13667 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13668 before falling through into...
13669 <case 'E'>: Redefined from old 'e' case.
13671 2006-01-11 Jan Hubicka <jh@suse.cz>
13674 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13676 2006-01-11 Jan Hubicka <jh@suse.cz>
13678 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13679 * i386.c (x86_decompose_lea): Kill.
13680 (ix86_rtx_costs): Kill.
13682 2006-01-11 Jan Hubicka <jh@suse.cz>
13684 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13685 * cgraph.h (cgraph_node): Add inline_decl.
13686 (cgraph_insert_node_to_hashtable): Declare.
13687 (save_inline_function_body): Declare.
13688 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13690 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13691 (cgraph_function_versioning): Update call of tree_function_versioning.
13692 (save_inline_function_body): New function.
13693 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13694 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13695 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13696 (cgraph_default_inline_p): Likewise.
13697 (cgraph_decide_inlining_incrementally): Likewise.
13698 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13699 (copy_bb): Kill saving; do updating of clones.
13700 (copy_cfg_body): Kill saving.
13701 (initialize_inlined-parameters): Likewise.
13702 (expand_call_inline): Likewise.
13704 (tree_function_versioning): New parameter "update_clones".
13705 (inlining_p): Kill saving.
13706 * tree-inline.h (tree_function_versioning): Update prototype.
13707 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13710 2006-01-11 Ian Lance Taylor <ian@airs.com>
13712 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13713 Allow undoing set of machine mode.
13714 (do_SUBST): Use enums instead of is_int.
13715 (do_SUBST_MODE): New function.
13716 (SUBST_MODE): New macro.
13717 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13718 reg and trying to replace reg_regno_rtx with a new register.
13719 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13720 (simplify_set): Use SUBST_MODE.
13721 (distribute_notes): Remove code that tried to update reg notes
13722 for regno_reg_rtx changes.
13724 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13726 PR tree-optimization/23109
13727 PR tree-optimization/23948
13728 PR tree-optimization/24123
13730 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13731 * tree-cfg.c (single_noncomplex_succ): New.
13732 * tree-flow.h (single_noncomplex_succ): Declare it.
13733 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13734 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13735 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13736 insert_bb, register_division_in, insert_reciprocals,
13737 replace_reciprocal, free_bb): New.
13738 (execute_cse_reciprocals_1): Rewritten.
13739 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13740 Do not commit any edge insertion. Always compute dominators and
13741 create the allocation pool.
13742 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13743 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13744 * targhooks.c (default_min_divistions_for_recip_mul): New.
13745 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13746 * passes.c (init_optimization_passes): Run recip after tree loop
13748 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13750 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13751 Kenneth Zadeck <zadeck@naturalbridge.com>
13753 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13754 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13755 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13756 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13757 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13758 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13759 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13760 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13761 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13762 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13763 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13764 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13765 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13766 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13767 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13768 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13769 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13770 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13771 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13772 DF_SCAN_POST_ALLOC): New macros.
13773 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13774 df_free_bb_function, df_local_compute_function, df_init_function,
13775 df_dataflow_function, df_confluence_function_0,
13776 df_confluence_function_n, df_transfer_function,
13777 df_finalizer_function, df_free_function, df_dump_problem_function,
13778 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13779 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13780 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13781 df_urec_bb_info, ) New types.
13782 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13784 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13785 df_analyze_simple_change_some_blocks,
13786 df_analyze_simple_change_one_block, df_compact_blocks,
13787 df_bb_replace, df_bb_regno_last_use_find,
13788 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13789 df_insn_regno_def_p, df_find_def, df_find_use,
13790 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13791 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13792 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13793 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13794 debug_df_chain, df_get_dependent_problem, df_chain_create,
13795 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13796 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13797 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13798 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13799 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13800 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13801 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13802 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13803 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13804 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13805 df_reorganize_refs, df_set_state, df_hard_reg_init,
13806 df_read_modify_subreg_p) New public functions.
13807 * df-core.c: The core dataflow solver and glue routines for rtl
13809 (df_init, df_add_problem, df_set_blocks, df_finish,
13810 df_hybrid_search_forward, df_hybrid_search_backward,
13811 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13812 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13813 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13814 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13815 df_reg_defined, df_find_use, df_reg_used, df_dump,
13816 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13817 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13818 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13819 debug_df_useno, reset_df_after_reload): New functions.
13820 * df-scan.c: The scanning fuctions, once in df.c, completely
13821 rewritten so that they now fully model the functionality of
13822 register usage at the backend.
13823 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13824 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13825 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13826 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13827 df_get_artificial_defs, df_get_artificial_uses,
13828 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13829 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13830 df_refs_delete, df_reorganize_refs, df_set_state,
13831 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13832 df_def_record_1, df_defs_record, df_uses_record,
13833 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13834 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13835 df_record_exit_block_uses, df_hard_reg_init): New functions.
13837 * df-problems.c: Seven concrete dataflow problems that use the
13838 scanning in df-scan.c and are solved by the engine in df-core.c.
13839 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13840 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13841 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13842 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13843 df_ru_free_bb_info, df_ru_alloc,
13844 df_ru_bb_local_compute_process_def,
13845 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13846 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13847 df_ru_transfer_function, df_ru_free, df_ru_dump,
13848 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13849 df_rd_free_bb_info, df_rd_alloc,
13850 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13851 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13852 df_rd_transfer_function, df_rd_free, df_rd_dump,
13853 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13854 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13855 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13856 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13857 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13858 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13859 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13860 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13861 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13862 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13863 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13864 df_urec_mark_reg_use_for_earlyclobber,
13865 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13866 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13867 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13868 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13869 df_chain_create_bb_process_use, df_chain_create_bb,
13870 df_chain_finalize, df_chain_free, df_chains_dump,
13871 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13872 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13873 df_reg_lifetime): New functions.
13874 * df.c: Deleted file.
13875 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13876 consistent with new df api.
13877 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13878 rest_of_handle_sms): Ditto.
13879 * web.c (unionfind_union, union_defs, entry_register, web_main):
13881 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13882 invariant_expr_equal_p, find_defs, check_dependencies,
13883 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13884 free_inv_motion_data, move_loop_invariants): Ditto.
13885 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13886 Update dependencies.
13887 (odf.c): Added defective entry that was deleted later in day.
13888 * sched-deps.c (sched_analyze_1): Ditto.
13890 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13892 * tree-ssa-operands.c (get_expr_operands): Record addressable
13893 variables directly. Do not call add_stmt_operands for CONST_DECLs
13895 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13896 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13898 2006-01-11 Ben Elliston <bje@au.ibm.com>
13900 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13901 function returns true in the positive case.
13903 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13906 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13907 for SI, DI, SF and DF modes. Add alternatives to copy between
13908 general and floating point registers to the 32-bit patterns.
13909 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13910 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13911 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13912 generating 64-bit code.
13913 * config/pa/pa.c (output_move_double): Handle copies between general
13914 and floating registers.
13916 2006-01-10 Stuart Hastings <stuart@apple.com>
13918 * config/i386/i386.md (set_got): Update.
13919 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13920 (builtin_setjmp_receiver): Mach-O support.
13921 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13922 (GOT_SYMBOL_NAME): Define.
13923 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13924 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13925 * config/i386/i386.c (override_options): Revise for Darwin.
13926 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13927 support. (darwin_x86_file_end): New. (output_set_got): Add label
13928 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13929 * config/i386/i386-protos.h (output_set_got): Likewise.
13930 * config/darwin.c (machopic_legitimize_pic_address): Update
13933 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13935 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13936 when MODE isn't BLKmode.
13938 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13940 PR rtl-optimization/25367
13941 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13943 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13946 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13947 for a negative bound.
13949 2006-01-10 Richard Guenther <rguenther@suse.de>
13951 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13952 Never override with anything constraint.
13954 2006-01-10 Jan Beulich <jbeulich@novell.com>
13956 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13957 256 bits when optimize_size.
13959 2006-01-10 Jan Beulich <jbeulich@novell.com>
13961 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13963 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13964 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13967 2006-01-10 Ben Elliston <bje@au.ibm.com>
13969 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13971 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13972 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13973 (USE_FP_FOR_ARG): Reject decimal float modes.
13974 (function_arg_advance): Likewise.
13975 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13976 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13977 point types in AltiVec vectors.
13978 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13979 (rs6000_libcall_value): Likewise.
13981 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13983 * config/xtensa/ieee754-df.S: New file.
13984 * config/xtensa/ieee754-sf.S: New file.
13985 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13986 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13987 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13989 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13991 * config/sh/predicates.md (binary_float_operator,
13992 binary_logical_operator, commutative_float_operator,
13993 equality_comparison_operator, greater_comparison_operator,
13994 less_comparison_operator, logical_operator,
13995 noncommutative_float_operator, shift_operator,
13996 symbol_ref_operand, unary_float_operator): Remove redundant
13999 2006-01-09 Jeff Law <law@redhat.com>
14001 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14002 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14003 now unused arguments. Callers updated.
14004 (eliminate_redundant_computations): Remove now unused arguments,
14006 (local_fold): Remove, no longer used.
14007 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14009 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14010 (simplify_cond): New function.
14011 (forward_propagate_into_cond): Call simplify_cond.
14013 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14015 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14016 (*vec_extractv2di_1_sse): New.
14018 2006-01-09 Ben Elliston <bje@au.ibm.com>
14020 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14022 2006-01-08 Richard Guenther <rguenther@suse.de>
14024 * tree-ssa-structalias.c (get_constraint_for): Remove
14025 anyoffset argument.
14026 (get_constraint_for_component_ref): Likewise.
14027 (do_deref): Likewise.
14028 (get_constraint_for): Likewise.
14029 (do_structure_copy): Likewise.
14030 (handle_ptr_arith): Likewise.
14031 (find_func_aliases): Likewise. Remove unused need_anyoffset
14034 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14035 Kaz Kojima <kkojima@gcc.gnu.org>
14037 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14038 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14039 (EXTRA_CONSTRAINT_C16): Remove.
14040 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14041 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14042 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14043 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14044 constants of SHmedia. Handle nested constant expressions of
14046 (andcosts): Fix the costs for SHmedia constants.
14047 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14048 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14049 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14050 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14051 (movv4hi_i, movv2si_i): Likewise.
14052 (movsi_const): Adjust the second operand of ior so to match with
14053 the Csu constraint.
14054 (movdi_const, movdi_const_32bit): Likewise.
14055 (movdi_const_16bit+1): Don't sign-extend LOW.
14056 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14058 (*double_shori): Fix the split condition. Use GEN_INT instead
14059 of get_int_mode calls. Mask lower 16-bit of the argument of
14061 (sym2GOTPLT): Remove.
14062 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14064 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14065 instead of EXTRA_CONSTRAINT_C16.
14067 2006-01-07 Ian Lance Taylor <ian@airs.com>
14068 David Edelsohn <edelsohn@gnu.org>
14070 PR rtl-optimization/25662
14071 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14072 for constant operands instead of simplify_gen_binary.
14073 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14074 after trying simplify_binary_operation
14076 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14078 * tree.c (iterative_hash_expr): Hash decls based on UID.
14080 2006-01-06 Eric Christopher <echristo@apple.com>
14082 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14083 (TARGET_UNWIND_EMIT): Fix spelling.
14084 * target.h (gcc_target): Add except_table_label.
14085 * except.c (output_function_exception_table): Use.
14086 * varasm.c (default_emit_except_table_label): New.
14087 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14089 (asm_out): Add here.
14090 * output.h (default_emit_except_table_label): Prototype.
14091 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14092 * config/darwin.c (darwin_emit_except_table_label): Define.
14093 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14095 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14097 PR tree-optimization/18527
14098 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14099 number_of_iterations_special, number_of_iterations_exit):
14100 Move base and step of an iv to a single structure. Add
14101 no_overflow flag, and use it in # of iterations analysis.
14102 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14103 folded_casts argument.
14104 (simple_iv): Pass base and step in a structure. Set no_overflow
14106 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14107 Evaluate expensiveness of computing # of iterations instead of
14108 the final expression.
14109 * tree-scalar-evolution.h (affine_iv): New structure.
14110 (simple_iv): Declaration changed.
14111 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14112 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14113 find_givs_in_stmt): Changed due to simple_iv change.
14115 2006-01-06 Jeff Law <law@redhat.com>
14118 * tree-cfg.c (bsi_replace): Rename final argument from
14119 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14120 change (stmt -> orig_stmt).
14121 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14122 (bsi_remove): Add new argument. Remove EH information
14124 (verify_eh_throw_table_statements): New function.
14125 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14127 * tree-optimize.c (execute_free_cfg_annotations): Verify
14128 the EH throw statement table after removing annotations.
14129 * except.h (verify_eh_throw_table_statements): Prototype.
14130 * tree-flow.h (bsi_remove): Update prototype.
14131 * tree-vrp.c (remove_range_assertions): Add new argument to
14133 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14134 * tree-complex.c (expand_complex_div_wide): Likewise.
14135 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14136 * tree-tailcall.c (eliminate_tailcall): Likewise.
14137 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14138 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14139 * tree-nrv.c (tree_nrv): Likewise.
14140 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14141 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14142 (combine_blocks): Likewise.
14143 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14144 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14145 (cleanup_control_flow): Likewise.
14146 (remove_forwarder_block): Likewise.
14147 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14148 * tree-sra.c (sra_replace): Likewise.
14149 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14150 (forward_propagate_single_use_vars): Likewise.
14151 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14152 * tree-inline.c (expand_call_inline): Likewise.
14153 * tree-vect-transform.c (vect_transform_loop): Likewise.
14154 * tree-outof-ssa.c (rewrite_trees): Likewise.
14155 * tree-cfg.c (make_goto_expr_edges): Likewise.
14156 (cleanup_dead_labels): Likewise.
14157 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14158 (bsi_move_before, bsi_move_after): Likewise.
14159 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14160 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14162 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14165 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14167 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14168 on non gimple variables. Also add checks at the top for decls and
14170 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14172 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14173 and IMAGPART_EXPR for creating MUST_DEFs.
14174 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14175 and NAME_MEMORY_TAG separately from the DECLs.
14177 2006-01-06 Richard Guenther <rguenther@suse.de>
14179 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14180 annotation, if necessary.
14181 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14182 redundant calls to update_stmt.
14183 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14186 2006-01-05 Richard Henderson <rth@redhat.com>
14188 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14190 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14192 * c-typeck.c: Update copyright date.
14194 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14196 * c-typeck.c (build_c_cast): Always warn when casting
14197 from a pointer to an integer of different size, even if
14198 the node was constant.
14200 2006-01-05 Richard Guenther <rguenther@suse.de>
14202 PR tree-optimization/22555
14203 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14204 if one structure field is an array.
14205 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14206 operands even if we found a subvar, but ignore VOPs in this
14208 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14210 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14212 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14214 PR middle-end/24998
14215 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14217 2006-01-05 Richard Guenther <rguenther@suse.de>
14218 Diego Novillo <dnovillo@redhat.com>
14220 * tree-pass.h (TODO_remove_unused_locals): Define.
14221 * gimple-low.c (expand_var_p, remove_useless_vars,
14222 pass_remove_useless_vars): Remove. Update all users.
14223 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14224 (remove_unused_locals): New function.
14225 * tree-flow.h (remove_unused_locals): Declare.
14226 * passes.c (execute_todo): Call remove_unused_locals if
14227 TODO_remove_unused_locals is set.
14228 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14229 * tree-ssa-dce.c (pass_dce): Likewise.
14230 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14232 2006-01-05 Richard Guenther <rguenther@suse.de>
14234 * tree-flow.h (struct fieldoff): Decompose field to
14235 type, size and decl.
14236 * tree-ssa-alias.c (create_sft): Take type as parameter.
14237 (create_overlap_variables_for): Store type, size and decl
14238 in the fieldoff structure.
14239 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14240 of struct fieldoff.
14241 (push_fields_onto_fieldstack): Likewise.
14242 (create_variable_info_for): Likewise. Use offset for the
14243 SFT name if the decl is not available.
14245 2006-01-04 Paul Brook <paul@codesourcery.com>
14247 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14249 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14251 * lambda-code.c (can_put_in_inner_loop): Relax
14253 (can_put_after_inner_loop): New function.
14254 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14255 (perfect_nestify): Change to make copies and modify uses.
14257 2006-01-04 Richard Henderson <rth@redhat.com>
14259 Merge from gomp branch:
14260 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14261 via integer constant.
14262 (pragma_lex): Remove.
14263 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14264 rather than parsing it.
14265 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14266 handle_pragma_extern_prefix): Add %< %> quotes.
14267 (registered_pragmas): New.
14268 (c_register_pragma_1): New.
14269 (c_register_pragma): Use it.
14270 (c_register_pragma_with_expansion): Likewise.
14271 (c_invoke_pragma_handler): New.
14272 (init_pragma): Use cpp_register_deferred_pragma directly for
14274 * c-pragma.h (enum pragma_kind): New.
14275 (pragma_handler): New.
14276 (c_invoke_pragma_handler): Declare.
14277 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14279 * c-common.h (c_common_pch_pragma): Update decl.
14280 * Makefile.in (c-parser.o): Update dependencies.
14281 (GTFILES): Add c-pragma.h.
14282 * c-parser.c (struct c_token): Add pragma_kind.
14283 (struct c_parser): Add in_pragma.
14284 (c_lex_one_token): Always initialize keyword and pragma_kind.
14285 Extract data for CPP_PRAGMA.
14286 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14287 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14288 Don't allow CPP_PRAGMA_EOL if in_pragma.
14289 (c_parser_consume_pragma): New.
14290 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14291 (c_parser_skip_to_end_of_parameter): Likewise.
14292 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14293 (c_parser_skip_to_pragma_eol): New.
14294 (c_parser_external_declaration): Handle CPP_PRAGMA.
14295 (c_parser_compound_statement_nostart): Likewise.
14296 (c_parser_statement_after_labels): Likewise.
14297 (c_parser_pragma): New.
14298 (pragma_lex): Likewise.
14299 (c_parser_pragma_pch_preprocess): New.
14300 (c_parser_new): Merge into ...
14301 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14303 2006-01-04 Jeff Law <law@redhat.com>
14306 * tree-cfg.c (bsi_replace): Remove the original statement
14307 from the EH throw statement table.
14309 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14311 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14312 make the prototype extern "C" and add throw ().
14315 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14316 and pos non-negative and pos + len <= 32.
14317 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14318 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14319 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14322 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14323 as well as sizes not multiple of component size.
14326 * function.c (instantiate_expr): New function.
14327 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14328 walk its DECL_VALUE_EXPR with instantiate_expr.
14330 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14331 DW_OP_deref{,_size} if address isn't going to be added.
14333 2006-01-04 Ben Elliston <bje@au.ibm.com>
14335 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14336 * config/fp-bit.c: Likewise.
14338 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14340 * dominance.c: Add comment about why we use DFS numbering
14343 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14344 Richard Henderson <rth@redhat.com>
14346 Merge from gomp-branch:
14347 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14348 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14350 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14352 PR rtl-optimization/25578
14353 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14354 pass a parameter to simplify_shift_const if changing ASHIFTRT
14357 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14359 * builtins.c (get_builtin_sync_mem): New function.
14360 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14361 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14362 Call get_builtin_sync_mem to generate mem rtx.
14364 2006-01-03 Richard Guenther <rguenther@suse.de>
14367 * stmt.c (add_case_node): Make sure to clear overflow flags
14370 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14372 Merge from gomp-branch.
14373 * config/sparc/sync.md: New file.
14374 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14375 UNSPECV_LDSTUB): New constants.
14376 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14377 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14378 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14381 2006-01-03 Roger Sayle <roger@eyesopen.com>
14383 * combine.c (reg_subword_p): New predicate to test whether the
14384 destination of a set refers to a subword/piece of a register.
14385 (try_combine): Generalize the code to merge the setting of a
14386 pseudo to a constant followed by a set of a subword of that
14387 register to a constant.
14389 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14391 * basic-block.h (control_flow_graph): Change the type of
14392 x_label_to_block_map to VEC(basic_block,gc) *.
14393 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14394 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14396 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14397 VEC(basic_block,heap) *.
14398 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14399 ssa_prop_fini): Adjust the uses of cfg_blocks.
14401 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14403 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14405 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14406 hashing trees instead of a pointer hash.
14407 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14408 compare for MEM_EXPR.
14410 PR rtl-optimization/25130
14411 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14412 when comparing MEMs for GCSE
14414 2006-01-03 Ben Elliston <bje@au.ibm.com>
14416 * targhooks.h (default_decimal_float_supported_p): Declare.
14417 * targhooks.c (default_decimal_float_supported_p): Define.
14418 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14419 `default_decimal_float_supported_p'.
14420 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14422 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14424 * combine.c (apply_distributive_law <SUBREG>): Check
14425 TRULY_NOOP_TRUNCATION.
14427 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14429 * dwarf2out.c (have_switched_text_section): Delete.
14430 (have_multiple_function_sections): New.
14431 (have_location_lists): Make 'bool'.
14432 (add_AT_loc_list): Use 'true' not '1'.
14433 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14434 (output_loc_list): Use have_multiple_function_sections.
14435 (output_ranges): Likewise.
14436 (dwarf2out_begin_function): Set have_multiple_function_sections if
14438 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14439 Check function_section rather than DECL_SECTION_NAME.
14440 (dwarf2out_finish): Use have_multiple_function_sections.
14441 Don't clear have_location_lists.
14443 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14444 Jan Hubicka <jh@suse.cz>
14446 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14447 case of conditional jump jumping to the next instruction.
14448 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14449 cases of conditional jump jumping to the next instruction.
14451 2006-01-02 Jan Hubicka <jh@suse.cz>
14453 * i386.c (*_cost): Add COSTS_N_INSNS.
14454 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14456 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14459 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14461 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14463 * config/arm/arm.c (all_fpus): Fix comment typo.
14464 * config/darwin.c: Likewise.
14465 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14466 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14467 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14469 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14471 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14472 (rs6000_split_compare_and_swapqhi): New.
14473 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14474 (sync_compare_and_swapqhi_internal): New.
14475 * config/rs6000/rs6000-protos.h: Declare.