1 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5 (fold_builtin_mempcpy): Rename to...
6 (fold_builtin_memory_op): ... this. Optimize one element copy
8 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
10 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
11 (expand_builtin_memcpy, expand_builtin_mempcpy,
12 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
13 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
14 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
15 BUILT_IN_MEM{CPY,PCPY,MOVE}.
17 2006-09-01 DJ Delorie <dj@redhat.com>
19 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
21 ("stzx_24_<mode>"): Likewise.
22 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
23 ("cmp<mode>_op"): New.
24 (cmp<mode>): Change to expander; just save operands.
26 (b<code>): Change to expander, emit compare here.
27 (s<code>_op): Change to use split and expander.
28 (s<code>_24_op): Likewise.
29 (s<code>_<mode>): New.
30 (s<code>_<mode>_24): New.
31 (movqicc_<code>_<mode): New.
32 (movhicc_<code>_<mode>): New.
35 * config/m32c/m32c.c (compare_op0, compare_op1): New.
36 (m32c_pend_compare): New.
37 (m32c_unpend_compare): New.
38 (m32c_expand_scc): New.
39 (m32c_expand_movcc): Emit the compare also.
40 * config/m32c/predicates.md (mra_nopp_operand): New.
42 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
43 Richard Guenther <rguenther@suse.de>
44 Adam Nemet <anemet@caviumnetworks.com>
47 * builtins.c (get_pointer_alignment): Handle more forms
48 of base addresses that can be used to derive more precise
49 information about alignment.
51 2006-09-01 Jason Merrill <jason@redhat.com>
54 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
57 * gimplify.c (voidify_wrapper_expr): Handle null type.
59 2006-09-01 Josh Conner <jconner@apple.com>
62 * tree-nrv.c (dest_safe_for_nrv_p): New function.
63 (execute_return_slot_opt): Use it.
65 2006-08-31 Josh Conner <jconner@apple.com>
68 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
71 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
73 PR tree-optimization/28839
74 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
75 blocks in that phi arguments appear.
77 2006-08-31 Roger Sayle <roger@eyesopen.com>
80 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
81 NULL, otherwise use an advance_loc4 to adjust relative to the
83 (output_cfi) <DW_CFA_set_loc>: Update the current label.
84 (dwarf2out_switch_text_section): Reset the current label to avoid
85 using advance_loc4 over section boundaries.
87 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
90 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
93 2006-08-30 Richard Guenther <rguenther@suse.de>
95 * Makefile.in (see.o): Add $(EXPR_H) dependency.
97 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
99 PR rtl-optimization/27735
100 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
101 Add new argument to keep track of whether an irreducible region
102 was affected. All callers changed.
103 (fix_irreducible_loops): Removed.
104 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
105 flags were invalidated.
107 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
109 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
110 instead of SF operands.
111 (*fop_df_comm_sse): Likewise.
112 (*fop_df_comm_i387): Likewise.
113 (*fop_df_1_mixed): Likewise.
114 (*fop_df_1_sse): Likewise.
116 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
117 J"orn Rennecke <joern.rennecke@st.com>
119 PR tree-optimization/17506
120 * tree-ssa.c (warn_uninit): If warning about a location outside of
121 the current function, note where the variable was declared.
123 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
125 PR tree-optimization/28411
126 * double-int.c (double_int_div): Use double_int_divmod.
127 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
128 double_int_mod, double_int_smod, double_int_umod): New functions.
129 * double-int.h (double_int_divmod, double_int_sdivmod,
130 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
132 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
134 (get_computation_aff, get_computation_cost_at): Handle double_int
135 return type of constant_multiple_of.
137 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
140 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
141 an implicit conversion.
143 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
145 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
147 2006-08-27 Roger Sayle <roger@eyesopen.com>
149 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
152 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
154 * config/i386/crtfastmath.c: Fix a comment typo.
156 2006-08-26 Roger Sayle <roger@eyesopen.com>
158 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
159 temporary visit flags on CASE_LABEL_EXPRs.
160 * c-common.c (match_case_to_enum): Add function comment. Avoid
161 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
162 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
163 CASE_HIGH_SEEN for enumerated types. If the switch expression is
164 a constant, only warn if that constant value isn't handled.
166 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
169 * input.h (restore_input_file_stack): Declare.
170 (INPUT_FILE_STACK_BITS): Define.
171 * toplev.c (fs_p, input_file_stack_history,
172 input_file_stack_restored, restore_input_file_stack): New.
173 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
174 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
175 (pop_srcloc): Don't free old state of stack.
177 2006-08-26 David Edelsohn <edelsohn@gnu.org>
180 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
181 (PowerPC Type Attributes): New.
183 2006-08-26 Bob Wilson <bob.wilson@acm.org>
185 * config/xtensa/xtensa.c (function_arg_boundary): New.
186 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
188 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
189 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
191 2006-08-26 Jakub Jelinek <jakub@redhat.com>
194 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
197 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
199 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
200 (verify_local_live_at_start): Likewise.
202 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
205 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
206 omp_add_variable): Treat sizes as variable whenever not
209 2006-08-26 Richard Guenther <rguenther@suse.de>
212 * fold-const.c (fold_binary): Fold temporary to correct
213 type before constructing new comparison.
215 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
218 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
219 variable again if DECL_SEEN_IN_BIND_EXPR_P.
221 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
224 * c-decl.c (start_function): Don't try to process prototype
225 information from old declaration that isn't a function.
227 2006-08-25 Jan Hubicka <jh@suse.cz>
230 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
232 2006-08-25 Alan Modra <amodra@bigpond.net.au>
235 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
238 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
240 PR tree-optimization/16876
241 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
242 exit if PARM doesn't match VALUE.
244 2006-08-25 Bob Wilson <bob.wilson@acm.org>
246 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
247 literal_prefix directive.
248 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
249 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
250 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
252 2006-08-25 David Edelsohn <edelsohn@gnu.org>
255 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
256 predicate to general_operand. Add 0->y and I->r alternatives.
258 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
260 * doc/tm.texi: Fix a typo.
261 * predict.c: Fix comment typos.
263 2006-08-25 Nick Clifton <nickc@redhat.com>
265 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
266 assertions of "cpu" and "machine".
268 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
271 * tree-ssa-operands.c (access_can_touch_variable): Don't say
272 the access through a base which has an alias set of 0 cannot
275 2006-08-24 Bill Wendling <wendling@apple.com>
277 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
279 2006-08-24 Jan Hubicka <jh@suse.cz>
281 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
283 2006-08-24 Jan Hubicka <jh@suse.cz>
286 * cgraph.c: Fix comments.
287 (cgraph_varpool_mark_needed_node): Mark only variables not already
289 * cgraphunit.c: Update comments; include gt-cgraphunit.h
290 (cgraph_varpool_assembled_nodes_queue): New static variable.
291 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
292 (cgraph_varpool_output_debug_info): New function.
293 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
294 * Makefile.in: Add gt-cgraphunit.h
296 2006-08-24 Jan Hubicka <jh@suse.cz>
298 * predict.c (probability_reliable_p): New predicate.
299 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
300 (predict_loops): Do not predict loop exit with less than 2%
302 * basic-block.h (edge_probability_reliable_p,
303 br_prob_note_reliable_p): Declare.
304 * ia64.h (ia64_print_operand): Do not disable on-chip branch
305 prediction when static predictor is not reliable.
306 * rs6000.c (output_cbranch): Likewise.
308 2006-08-23 Stuart Hastings <stuart@apple.com>
311 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
312 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
314 2006-08-21 Geoffrey Keating <geoffk@apple.com>
317 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
318 complex values, nor for generic vector values.
320 2006-08-22 Richard Guenther <rguenther@suse.de>
323 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
324 parameter. Convert arguments to arithmetic expression to the
326 (analyze_scalar_evolution_1): Adjust caller.
328 2006-08-22 Jan Hubicka <jh@suse.cz>
330 Patch by Paolo Bonzini
331 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
334 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
336 PR tree-optimization/28003
337 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
338 before grouping aliases.
340 2006-08-22 Roger Sayle <roger@eyesopen.com>
342 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
343 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
345 2006-08-21 Jason Merrill <jason@redhat.com>
348 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
349 wrapper. Loop to handle nested wrappers.
350 (gimplify_bind_expr): Remove temp parameter.
351 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
352 and STATEMENT_LIST on the rhs.
353 (gimplify_statement_list): Voidify the STATEMENT_LIST.
354 (gimplify_expr): Pass pre_p to gimplify_statement_list.
355 (gimplify_target_expr): Remove special BIND_EXPR handling.
357 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
359 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
362 2006-08-21 Olivier Hainque <hainque@adacore.com>
364 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
365 Arrange for the temporary captures of components overlapping the lhs
366 to happen before the lhs is possibly cleared.
368 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
370 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
371 necessary places to pass the correct "number of registers" values
374 2006-08-20 Jan Hubicka <jh@suse.cz>
376 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
377 (create_name_tags): Instead of quadratic checking use hashtable.
378 * bitmap.h: Include hashtab.h.
379 (bitmap_hash): Declare.
380 * bitmap.c (bitmap_hash): New function.
382 2006-08-20 Jan Hubicka <jh@suse.cz>
384 PR rtl-optimization/28071
385 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
387 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
388 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
389 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
390 cgraph_decide_inlining_incrementally): Update use of
391 cgraph_check_inline_limits.
392 * cgraph.c (edge_hash, edge_eq): New function.
393 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
394 cgraph_edge_remove_caller, cgraph_node_remove_callees,
395 cgraph_remove_node): Maintain call site hash.
396 * cgraph.h (struct cgraph_node): Add call_site_hash.
397 (cgraph_set_call_stmt): New function.
399 2006-08-20 Jan Hubicka <jh@suse.cz>
401 PR rtl-optimization/28071
402 * reload1.c (reg_has_output_reload): Turn into regset.
403 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
404 choose_reload_regs, emit_reload_insns): Update to new
405 reg_has_output_reload.
407 2006-08-20 Jan Hubicka <jh@suse.cz>
410 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
412 * cgraphunit.c (cgraph_analyze_function): Don't do so.
414 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
417 * tree.c (handle_dll_attribute): Return early if not a
418 var or function decl.
420 2006-08-18 Joseph Myers <joseph@codesourcery.com>
423 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
424 alignment of SPE vector types.
426 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
428 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
430 2006-08-17 Jakub Jelinek <jakub@redhat.com>
433 * cgraph.h (struct cgraph_node): Remove externally_visible
435 * cgraphunit.c (process_function_and_variable_attributes): Set
436 local.externally_visible rather than externally_visible.
439 * c-common.c (handle_externally_visible_attribute): First look
440 at TREE_CODE and only if it is function or var decl, check for
441 non-public objects. Don't warn for DECL_EXTERNAL.
442 * cgraphunit.c (process_function_and_variable_attributes): Warn
443 if externally_visible attribute is used on non-public object.
445 2006-08-17 Jan Hubicka <jh@suse.cz>
447 PR tree-optimization/27865
448 * reload1.c (forget_marked_reloads): New function.
449 (forget_old_reloads_1): When data are passed, just mark the registers
451 (reload_as_needed): Use the new mechanizm.
453 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
456 * reload.h (reg_equiv_alt_mem_list): New declaration.
457 * reload1.c (reg_equiv_alt_mem_list): New definition.
458 (reload): Initialize it and release it.
459 (delete_output_reload): Use it.
460 * reload.c (push_reg_equiv_alt_mem): New function.
461 (find_reloads_toplev): Call it.
462 (find_reloads_address, find_reloads_address_1): Likewise.
463 (find_reloads_subreg_address): Likewise.
465 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
467 PR rtl-optimization/28489
468 * sched-ebb.c (begin_schedule_ready): Create basic block
470 (advance_target_bb): Skip empty blocks.
471 * haifa-sched.c (bb_note): Make global.
472 * sched-int.h (bb_note): Add prototype.
474 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
476 PR tree-optimization/27865
477 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
479 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
480 fold_used_pointer, pointer_used_p): New functions.
481 (analyze_scalar_evolution_1): Use fold_used_pointer.
482 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
483 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
486 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
489 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
490 or the INTEGER_CST. Fail on a CALL_EXPR.
491 (fold_offsetof): Pass new argument to fold_offsetof_1.
492 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
493 operand into an INDIRECT_REF.
494 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
496 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
498 PR gcov/profile/26570
499 * value-prof.c (static_values): Removed.
500 (tree_find_values_to_profile): Do not set static_values.
501 (find_values_to_profile): Do not free static_values.
502 * profile.c (instrument_values): Do not free the values.
503 (branch_prob): Free the values.
505 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
507 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
509 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
512 * c-typeck.c (build_component_ref): Combine qualifiers of
513 structure or union and field.
515 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
517 PR rtl-optimization/28071
518 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
519 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
520 * tree-into-ssa.c (struct dom_dfsnum): New.
521 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
523 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
524 compute_global_livein.
525 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
526 in phi nodes in the correct blocks.
528 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
530 PR tree-optimization/28364
531 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
533 (fold_affine_expr): New function.
534 (may_eliminate_iv): Use fold_affine_expr.
536 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
539 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
542 2006-08-16 Mike Stump <mrs@apple.com>
544 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
545 * doc/cppopts.texi (-MD): Likewise.
547 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
550 * c-common.c (handle_weak_attribute): Ignore and warn if
551 not a FUNCTION_ or VAR_DECL.
553 2006-07-15 Mike Stump <mrs@apple.com>
556 * c-parser.c (c_parser_typeof_specifier): Don't use
557 c_finish_expr_stmt, open code desired semantics instead.
559 2006-08-15 Nick Clifton <nickc@redhat.com>
561 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
562 fragment to tmake_file only if threads are enabled.
563 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
564 * config/i386/t-gthr-win32: New file. ... here.
566 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
569 * c-parser.c (c_parser_compound_statement_nostart): Reset
570 parser->error after each statement.
572 2006-08-15 Jakub Jelinek <jakub@redhat.com>
575 * omp-low.c (lower_omp_parallel): Convert t to
576 receiver_decl's type.
577 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
578 source before comparison.
581 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
582 to itype in assignment to oldival2.
584 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
588 * c-typeck.c (build_compound_expr): If the second expression
589 is an error mark, then just return an error mark instead of
590 creating a COMPOUND_EXPR.
592 2006-07-14 Mike Stump <mrs@apple.com>
594 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
596 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
598 * c-decl.c, var-tracking.c: Fix comment typos.
600 2006-08-14 Richard Sandiford <richard@codesourcery.com>
602 PR rtl-optimization/28634
603 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
604 for floating-point modes unless flag_unsafe_math_optimizations.
606 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
607 Andrew Pinski <pinskia@physics.uc.edu>
610 * tree.c (build_array_type): Unify array types with
611 unspecified index_type.
612 * c-decl.c (grokdeclarator): Make sure we do not modify a
613 unified incomplete array type.
614 * c-typeck.c (store_init_value): Create distinct type before
615 filling in the index type in an initializer from a compound
618 * c-decl.c (grokdeclarator): Remove code where we copy the
621 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
623 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
624 into account for TODO_dump_cgraph.
625 (TODO_update_ssa_no_phi): Likewise.
626 (TODO_update_ssa_full_phi): Likewise.
627 (TODO_update_ssa_only_virtuals): Likewise.
628 (TODO_remove_unused_locals): Likewise.
629 (TODO_set_props): Likewise.
630 (TODO_update_stmt_usage): Likewise.
632 2006-08-13 Dirk Mueller <dmueller@suse.de>
634 * c-common.c (strict_aliasing_warning): Fix formatting.
636 2006-08-13 Matthias Klose <doko@debian.org>
638 * doc/invoke.texi: Fix spelling errors.
640 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
642 PR rtl-optimization/23454
643 * reorg.c (relax_delay_slots): Update comment.
645 2006-08-11 Richard Guenther <rguenther@suse.de>
648 * simplify-rtx.c (simplify_const_relational_operation):
649 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
652 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
654 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
655 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
657 2006-08-10 Paul Brook <paul@codesourcery.com>
659 * final.c (final_scan_insn): Clear current_insn_predicate before
660 outputting inline asm.
662 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
664 PR tree-optimization/26197
665 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
666 get_ref_base_and_extent and overlap_subvar to add only relevant
667 subvars as may-aliases.
668 (add_may_alias_for_new_tag): New function, factored out of
670 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
671 with additional argument.
672 * tree-flow.h (new_type_alias): Takes additional argument.
674 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
676 * gcov.c (no_data_file): New flag.
677 (read_count_file): Set it if data file not present. Assume counts
679 (output_lines): Don't name the data file, if there wasn't one.
681 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
683 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
684 (rs6000_generate_compare): Tweak comments.
685 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
687 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
689 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
690 (var_debug_decl): New function.
691 (var_reg_set): Follow debug decl link. Add location even if
692 reg is already known to hold some other variable.
693 (var_mem_set): Follow debug decl link.
694 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
695 decl link. Delete other known locations of the variable part
697 (var_reg_delete, var_mem_delete): Delete other known locations
698 of the variable part if requested.
699 (same_variable_part_p): New function.
700 (add_stores): Select MO_COPY when appropriate.
701 (vt_initialize): Handle it.
702 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
703 known locations for MO_SET and MO_CLOBBER.
704 (find_variable_location_part): New function.
705 (set_variable_part, delete_variable_part): Use it.
706 (clobber_variable_part): New function.
707 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
710 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
712 PR tree-optimization/26969
713 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
714 with an empty list of PHIs.
716 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
720 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
723 2006-08-06 Andreas Schwab <schwab@suse.de>
725 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
726 string. Whitespace and comment fixup.
728 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
731 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
735 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
738 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
740 2006-08-04 Jan Hubicka <jh@suse.cz>
744 * reload.c (push_reload): Patch out the mismatching instruction;
746 (find_reload): Bail out if the instruction was patched out.
748 2006-08-04 Jan Hubicka <jh@suse.cz>
750 PR tree-optimization/24888
751 * tree-inline.c (expand_call_inline): Do not re-record variables.
752 (declare_inline_vars): Add variable to unexpanded_var_list.
754 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
755 Roger Sayle <roger@eyesopen.com>
757 PR rtl-optimization/26244
758 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
759 inner_const are negative or greater than or equal to the bitsize of
760 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
761 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
762 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
763 CONST0_RTX (mode) when the new shift count is greater than or equal to
764 to the bitsize of the object being shifted and XEXP (y, 0) has no side
767 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
769 * tree-cfg.c: Fix a comment typo.
771 2006-08-03 Mark Mitchell <mark@codesourcery.com>
774 * varasm.c (output_constant): Give the front end another chance to
775 expand constants, after stripping NOPs.
777 2006-08-03 Jan Hubicka <jh@suse.cz>
779 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
782 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
784 PR tree-optimization/27770
785 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
786 declaration removed (moved to tree-flow.h).
787 (vect_can_force_dr_alignment_p): Likewise.
788 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
789 (moved from tree-vectorizer.h).
790 (vect_can_force_dr_alignment_p): Likewise.
791 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
792 from outside the vectorizer - in particular from cgraph stage.
793 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
794 the alignment of global arrays when -fsection-anchors is enabled.
795 * cgraphunit.c (cgraph_increase_alignment): New function.
796 (cgraph_optimize): Call cgraph_increase_alignment.
798 2006-08-03 David Edelsohn <edelsohn@gnu.org>
801 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
802 not reload a SPE symbol_ref into a lo_sum address.
804 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
807 * dwarf2out.c (prune_unused_types_prune): Move call to
808 prune_unused_types_update_strings to cover the parent DIE also.
810 2006-08-02 Jan Hubicka <jh@suse.cz>
812 PR gcov/profile/28480
813 * tree-cfg.c (change_bb_for_stmt): New function.
814 (tree_merge_blocks, tree_split_blocks): Use it.
816 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
822 * toplev.c (compile_file): Return early on errorcount or sorrycount.
823 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
824 (cgraph_optimize): Likewise.
826 2006-08-01 Stuart Hastings <stuart@apple.com>
828 * rtl.h (UINTVAL) New.
829 * config/rs6000/rs6000.c (SMALL_INT) Use it.
830 * testsuite/gcc.dg/20060801-1.c: New.
832 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
835 * c-typeck.c (build_external_type): Mark used enum types.
836 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
838 (gen_subprogram_die): Whitespace fix.
840 2006-08-01 Jan Hubicka <jh@suse.cz>
842 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
843 bitmap when not needed.
844 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
847 2006-08-01 Dirk Mueller <dmueller@suse.de>
849 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
851 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
853 * Makefile.in: Revert part of previous patch:
854 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
857 2006-07-30 Eric Christopher <echristo@apple.com>
860 * doc/extend.texi (i386 Variable Attributes): Add anchor.
861 (PowerPC Variable Attributes): New section.
863 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
865 PR target/28126 (partial fix)
866 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
868 2006-07-28 Jan Hubicka <jh@suse.cz>
870 PR rtl-optimization/28071
871 * cfgrtl.c (rtl_delete_block): Free regsets.
872 * flow.c (allocate_bb_life_data): Re-use regsets if available.
874 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
876 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
877 and variables used in dependencies.
879 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
881 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
882 %fs for -mcmodel=kernel.
883 (stack_tls_protect_test_di): Likewise.
885 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
887 * Makefile.in: Use mkinstalldirs.
889 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
892 * opts-common.c (prune_options): Skip joined switches.
894 2006-07-27 Jan Hubicka <jh@suse.cz>
896 PR rtl-optimization/28071
897 * cselib.c (cselib_process_insn): Don't remove useless values too
898 often for very large hashtables.
900 2006-07-27 Jan Hubicka <jh@suse.cz>
902 PR rtl-optimization/28071
903 * global.c (greg_obstack): New obstack.
904 (allocate_bb_info): Use it.
905 (free_bb_info): Likewise.
906 (modify_reg_pav): Likewise.
908 2006-07-27 Roger Sayle <roger@eyesopen.com>
910 * builtins.c (fold_fixed_mathfn): When long and long long are the
911 same size, canonicalize llceil*, llfloor*, llround* and llrint*
912 functions to their lceil*, lfloor*, lround* and lrint* forms.
914 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
917 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
919 (rev_branch_insn): Likewise.
921 2006-07-27 Jan Hubicka <jh@suse.cz>
923 PR rtl-optimization/28071
924 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
925 (reg_set_in_bb, max_reg_computed): New static variables.
926 (regmove_optimize): Free the new array.
927 (fixup_match_1): Update call of reg_is_remote_constant_p.
929 2006-07-26 Jan Hubicka <jh@suse.cz>
931 PR tree-optimization/27882
932 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
934 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
936 (cgraph_analyze_compilation_unit): Likewise.
937 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
938 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
939 (cgraph_early_inlinine): Make order garbage collected.
940 * Makefile.in (gt-ipa-inline): New garbagecollected file.
942 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
944 * dbxout.c (output_types_sort): Add a comment.
945 (output_used_types): Free the VEC.
947 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
949 * function.c (reorder_fix_fragments): Delete.
950 (reorder_blocks): Don't call it.
951 (reorder_blocks_1): Put all subblocks under the origin block.
953 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
955 PR rtl-optimization/27907
956 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
959 2006-07-25 Roger Sayle <roger@eyesopen.com>
962 * convert.c (convert_to_integer): When transforming (T)foo(x) into
963 bar(x) check that bar's result type can represent all the values of T.
965 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
967 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
969 2006-07-25 Nick Clifton <nickc@redhat.com>
971 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
973 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
974 (ggc_pch_count_object): Likewise.
975 (ggc_pch_alloc_object): Likewise.
976 (ggc_pch_write_object): Likewise.
977 (init_ggc): Do not attempt to initialize entries in the
978 size_lookup[] array for objects whose size is greater than than
979 the length of the array.
981 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
983 * dbxout.c (output_used_types_helper): Push queued types
985 (output_types_sort): New.
986 (output_used_types): Collect used types on a VEC and sort them
989 2006-07-24 Richard Guenther <rguenther@suse.de>
992 * cgraph.c (cgraph_remove_node): Do not check if dumps
994 * cgraphunit.c (cgraph_optimize): Likewise.
996 2006-07-24 Jan Hubicka <jh@suse.cz>
998 PR rtl-optimization/28071
999 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1000 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1001 splitting before first stmt.
1003 2006-07-24 Jan Hubicka <jh@suse.cz>
1005 PR rtl-optimization/28071
1006 * ipa-inline.c (update_caller_keys): Remove edges that
1007 are no longer inline candidates.
1009 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1012 * dbxout.c (output_used_types_helper, output_used_types): New.
1013 (dbxout_symbol): Call output_used_types.
1015 2006-07-23 Jan Hubicka <jh@suse.cz>
1019 * cgraph.c (cgraph_varpool_nodes): Export.
1020 (decide_is_variable_needed): Ignored "used" attribute in
1021 unit-at-a-time mode.
1022 * cgraph.h (cgraph_varpool_nodes): Declare.
1023 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1024 unit-at-a-time mode.
1026 2006-07-23 Roger Sayle <roger@eyesopen.com>
1029 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1030 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1031 the __gthrw form of thr_keycreate.
1032 (__gthread_key_delete): Silence the unused argument warning.
1034 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1037 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1038 Cache the last found '\0' marker to avoid quadratic behavior.
1040 2006-07-23 Jan Hubicka <jh@suse.cz>
1042 * i386.md (subsi_3_zext): Fix output template.
1044 2006-07-21 Mike Stump <mrs@apple.com>
1046 * doc/invoke.texi (C++ Dialect Options): Note that
1047 -fvisibility-inlines-hidden doesn't affect explicitly
1048 instantiationed inline methods.
1050 2006-07-20 Roger Sayle <roger@eyesopen.com>
1052 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1053 if the target assembler is GNU binutils' gas.
1054 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1055 whether to pass GNU gas or native as command line options.
1057 2006-07-20 Jason Merrill <jason@redhat.com>
1059 * tree.c (remove_attribute): New fn.
1060 * tree.h: Declare it.
1062 2006-07-20 Paul Brook <paul@codesourcery.com>
1065 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1066 they are invalidated by this instruction.
1068 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1071 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1073 2006-07-20 Eric Christopher <echristo@apple.com>
1076 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1078 2006-07-19 Eric Christopher <echristo@apple.com>
1080 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1081 Rewrite dependencies for libgcc_s.1.dylib.
1083 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1085 * except.c (duplicate_eh_regions_1): Clear next_peer.
1087 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1089 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1090 -mlongcall does not guarantee all calls will be long.
1091 * doc/extend.texi (long_call/short_call): Document that longcall
1092 does not guarantee a long call will be used.
1093 (longcall/shortcall): Likewise.
1095 2006-07-18 Roger Sayle <roger@eyesopen.com>
1098 * expmed.c (expand_shift): Additionally check that the shift_cost
1099 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1100 before implementing a LSHIFT_EXPR as a sequence of additions.
1101 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1102 middle-end that DImode shifts need to be synthesized by expand.
1104 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1107 * tree-ssa-operands.c (access_can_touch_variable): Update
1109 Return true if ALIAS is .GLOBAL_VAR.
1111 2006-07-18 David Daney <ddaney@avtrex.com>
1113 * gcc.c (display_help): Fix typo in help text.
1115 2006-07-18 Olivier Hainque <hainque@adacore.com>
1117 * tree.h (categorize_ctor_elements): Adjust prototype and add
1118 descriptive comment, both in accordance with the interface change
1120 * varasm.c (constructor_static_from_elts_p): New function.
1121 Whether a constructor node is a valid static constant initializer
1122 if all its elements are.
1123 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1124 * output.h: Declare it.
1125 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1126 is a valid constant initializer instead of computing the number of
1127 non-constant elements. Use constructor_static_from_elts_p for this
1128 purpose. Replace the head comment with an indication that this is a
1129 helper for categorize_ctor_elements.
1130 (categorize_ctor_elements): Same interface change as for the _1
1131 helper. Former head comment from this helper moved here, adjusted to
1132 account for the interface changes.
1133 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1134 (all_zeros_p): Likewise.
1135 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1136 static versions of the constructor from the categorize_ctor_elements
1137 return value instead of the formerly computed number of non-constant
1140 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1142 * configure: Regenerate.
1143 * Makefile.in (build_libsubdir): New configure substitution
1144 (build_libobjdir): New variable.
1145 (BUILD_LIBIBERTY): Use it.
1147 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1150 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1152 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1155 * c-common.c (handle_weakref_attribute): Ignore attribute in
1156 the same conditions the alias attribute is ignored.
1158 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1160 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1161 (dbxout_begin_prologue): Increment scope_labelno.
1163 2006-07-17 Richard Henderson <rth@redhat.com>
1166 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1169 2006-07-17 Roger Sayle <roger@eyesopen.com>
1170 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1172 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1173 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1174 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1175 functions such as sbrk, write, etc.. Add function prototypes.
1176 Convert function declarations from K&R to ISO C. Cast pointers
1177 to "long" and "unsigned long" instead of "int" and "unsigned int".
1178 Convert tokens following #endif into comments.
1180 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1182 * invoke.texi: Remove mention of f77; Reformat table for
1183 inline parameter options correctly; mention that -malign-double
1184 is default on x86-64 targets.
1186 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1188 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1189 (convert_affine_scev, chrec_convert_aggressive): Use
1190 avoid_arithmetics_in_type_p. Do not check for the subtypes
1193 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1196 * optabs.c (expand_doubleword_shift): Wrap the call to
1197 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1199 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1202 * optabs.c (expand_binop): Pass next_methods rather than methods
1203 to expand_doubleword_shift.
1205 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1208 * tree.h (dump_addr): Declare.
1209 * print-tree.c (dump_addr): New function.
1210 (print_node_brief, print_node): Use it.
1211 * print-rtl.c (print_rtx): Likewise.
1212 * common.opt (-fdump-noaddr): New option.
1213 * doc/invoke.texi (-fdump-noaddr): Document.
1214 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1215 (ve_info_hash): Likewise.
1217 2006-07-13 Andrew Haley <aph@redhat.com>
1219 PR tree-optimization/19505
1220 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1221 edge leaving this block, make sure that the destination of this
1222 block has only one predecessor.
1224 2006-07-17 Richard Guenther <rguenther@suse.de>
1226 PR tree-optimization/28238
1227 * tree-inline.c (copy_bb): Check if we produced valid
1228 gimple copying and substituting a stmt. If not, gimplify
1231 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1233 * optabs.c (maybe_encapsulate_block): New function extracted from...
1234 (emit_libcall_block): ...here. Invoke it on the block of insns to
1235 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1236 (emit_no_conflict_block): Likewise.
1238 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1240 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1242 2006-07-15 Roger Sayle <roger@eyesopen.com>
1244 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1245 a new NOP_EXPR case of the switch statement.
1247 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1250 * stor-layout.c (place_field): Take the bit field with
1251 an excessive size into account in the ms-bitfiled case.
1254 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1255 the previous bit field.
1257 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1260 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1262 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1264 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1265 signal frames correctly even when the signal was installed with
1268 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1270 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1271 (dbxout_function_end): Use local label LFBB. Remove hook
1273 (dbxout_source_line): Use local label LFBB.
1274 (dbxout_block): Likewise.
1275 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1276 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1277 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1278 and DBX_OUTPUT_NFUN.
1280 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1282 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1284 2006-07-13 Jan Hubicka <jh@suse.cz>
1286 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1288 * output.h (align_variable): Declare.
1289 * varasm.c (align_variable): Export.
1290 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1291 when basic block changed.
1293 2006-07-13 Nick Clifton <nickc@redhat.com>
1295 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1296 walking the LOG_LINKS chain.
1298 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1300 * doc/invoke.texi (C++ Dialect Options): Explain difference
1301 between -fvisibility-inlines-hidden and setting hidden
1302 visibility explicitly.
1304 2006-07-12 Eric Christopher <echristo@apple.com>
1306 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1307 (stmp-lipo): Depend on libgcc.a.
1309 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1311 * tree.c: Fix a comment typo.
1313 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1315 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1317 (umulhisi3_r): Likewise.
1319 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1322 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1323 x < 19, vs wchar_t support.
1325 2006-07-12 Nick Clifton <nickc@redhat.com>
1327 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1328 instead of -isa=sh4.
1330 2006-07-12 Mike Stump <mrs@apple.com>
1332 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1334 2006-07-10 Eric Christopher <echristo@apple.com>
1336 * config/t-slibgcc-darwin: Rewrite.
1338 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1341 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1344 2006-07-08 Matthias Klose <doko@debian.org>
1346 * doc/sourcebuild.texi: Fix typo.
1348 2006-07-07 Mike Stump <mrs@apple.com>
1350 * toplev.c (process_options): Don't give -ffunction-sections may
1351 affect debugging warning for Mach-O.
1353 2006-07-07 James E Wilson <wilson@specifix.com>
1355 * config/mips/mips.md (cpu): Add sb1a.
1356 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1357 addition to sb1. Adjust comments to clarify SB-1A differences from
1359 (ir_sb1a_load): New. Modify bypasses to use it.
1360 (ir_sb1a_simple_alu): Likewise.
1361 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1362 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1363 (mips_issue_rate): Add PROCESSOR_SB1A.
1364 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1365 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1366 (TARGET_SB1): Add PROCESSOR_SB1A check.
1367 (TUNE_SB1): Likewise.
1369 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1370 * config/mips/mips.c (mips_store_data_bypass_p): New.
1371 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1372 store_data_bypass_p.
1374 2006-07-08 Paul Brook <paul@codesourcery.com>
1377 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1379 2006-07-07 Richard Guenther <rguenther@suse.de>
1382 * tree.h (build_one_cst): Declare.
1383 * tree.c (build_one_cst): New function.
1384 * tree-ssa-math-opts.c (get_constant_one): Remove.
1385 (insert_reciprocals): Use build_one_cst.
1386 * fold-const.c (fold_plusminus_mult): Likewise.
1388 2006-07-07 Roger Sayle <roger@eyesopen.com>
1390 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1391 * cfgloopanal.c (dump_graph): Likewise.
1392 * dojump.c (discard_pending_stack_adjust): Likewise.
1393 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1395 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1396 * function.c (finalize_block_changes): Likewise.
1397 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1398 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1399 * rtl.c (dump_rtx_statistics): Likewise.
1400 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1402 * varray.c (dump_varray_statistics): Likewise.
1403 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1404 decode_decimal64, encode_decimal128, decode_decimal128,
1405 decimal_real_to_decimal): Likewise.
1407 2006-07-07 Richard Guenther <rguenther@suse.de>
1409 PR tree-optimization/28187
1410 * tree-vrp.c (vrp_operand_equal_p): New function.
1411 (vrp_bitmap_equal_p): Likewise.
1412 (update_value_range): Use them to compare old and new
1415 2006-07-06 Roger Sayle <roger@eyesopen.com>
1417 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1418 a default case to switch statement to silence compiler warnings.
1420 2006-07-06 Roger Sayle <roger@eyesopen.com>
1423 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1424 the configured assembler supports the x87's ffreep mnemonic.
1425 * configure: Regenerate.
1426 * config.in: Regenerate.
1428 * config/i386/i386.c (output_387_ffreep): New function.
1429 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1430 (output_387_reg_move): Likewise.
1432 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1434 Port to hosts whose 'sort' and 'tail' implementations
1435 treat operands with leading '+' as file names, as POSIX
1436 has required since 2001. However, make sure the code still
1437 works on pre-POSIX hosts.
1438 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1439 which says you should use "tail -c +N" rather than "tail +Nc".
1440 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1442 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1444 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1447 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1450 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1451 PRE_{INC,DEC} of TFmode.
1453 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1454 Alan Modra <amodra@bigpond.net.au>
1457 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1460 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1463 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1464 Remove duplicate gtu.
1466 2006-07-05 Jason Merrill <jason@redhat.com>
1470 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1471 * c-common.c (handle_packed_attribute): So don't copy it here.
1472 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1474 2006-07-05 Mike Stump <mrs@apple.com>
1476 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1478 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1481 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1483 2006-07-05 Richard Guenther <rguenther@suse.de>
1486 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1487 TARGET_SSE2 targets if using SSE math.
1488 (*absdf2_1): Likewise.
1490 2006-07-05 Richard Guenther <rguenther@suse.de>
1492 PR tree-optimization/28162
1493 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1494 make sure to convert the operands to the correct type.
1496 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1498 PR tree-optimization/28218
1500 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1501 to calculate and free the dominator information.
1503 2006-07-04 Peter O'Gorman <peter@pogma.com>
1505 * mklibgcc.in: chmod 644 before ranlib during install.
1507 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1508 J"orn Rennecke <joern.rennecke@st.com>
1510 * configure.ac (.eh_frame data check): Use diff -b.
1512 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1515 * Makefile.in (BUILD_RTL): Add build/vec.o.
1516 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1517 (build/genextract): Delete.
1518 (build/genautomata): Likewise.
1520 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1523 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1524 128-bit IBM long doubles for ABI_V4.
1526 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1528 * tree.c (range_in_array_bounds_p): New predicate.
1529 * tree.h (range_in_array_bounds_p): Declare it.
1530 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1531 return a less conservative answer.
1532 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1533 and flag 'is_group'.
1534 (IS_ELEMENT_FOR_GROUP): New macro.
1535 (FOR_EACH_ACTUAL_CHILD): Likewise.
1536 (next_child_for_group): New helper function.
1537 (can_completely_scalarize_p): Take into account groups.
1538 (sra_hash_tree): Handle RANGE_EXPR.
1539 (sra_elt_eq): Likewise.
1540 (lookup_element): Be prepared for handling groups.
1541 (is_valid_const_index): Delete.
1542 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1543 instead of is_valid_const_index.
1544 <ARRAY_RANGE_REF>: New case.
1545 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1546 is_valid_const_index.
1547 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1548 (scan_dump): Dump info for groups too.
1549 (decide_instantiation_1): Likewise.
1550 (decide_block_copy): Assert that the element is not a group.
1551 Propagate decision to groups.
1552 (generate_one_element_ref): Handle RANGE_EXPR.
1553 (mark_no_warning): Iterate over actual childs.
1554 (generate_copy_inout): Likewise.
1555 (generate_element_copy): Likewise.
1556 (generate_element_zero): Likewise.
1557 (generate_element_init_1): Likewise.
1558 (dump_sra_elt_name): Handle RANGE_EXPR.
1560 2006-07-03 Roger Sayle <roger@eyesopen.com>
1562 PR tree-optimization/26251
1563 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1564 (thread_block): When optimizing for size refuse to thread jumps
1565 that would require duplication of blocks other than redirection
1568 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1570 * configure.ac: Fix thinko in previous check-in.
1571 * configure: Regenerate.
1573 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1576 * configure.ac (for lang...): Simplify nesting of conditionals.
1577 Test subdir_requires for non-enabled languages. Move processing
1578 of lang_opt_files and lang_tree_fiels below that test.
1579 * configure: Regenerate.
1580 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1582 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1584 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1586 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1588 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1591 2006-06-29 Jason Merrill <jason@redhat.com>
1598 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1599 * c-common.c (c_determine_visibility): Handle it here.
1600 * c-decl.c (finish_decl): Call c_determine_visibility for
1602 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1604 * varasm.c (default_assemble_visibility): Likewise.
1605 * c-common.c (handle_visibility_attribute): Complain about trying
1606 to give visibility to an already defined class, or trying to change
1607 declared visibility. Always attach the attribute.
1612 * attribs.c (decl_attributes): Ignore type-in-place attributes
1613 once the type has been defined.
1615 2006-06-29 Roger Sayle <roger@eyesopen.com>
1618 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1619 to indicate the cpplib has issued an error message for us.
1621 2006-06-29 Asher Langton <langton2@llnl.gov>
1624 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1625 insert a label at the end of an function under Mach-O.
1627 2006-06-29 Eric Christopher <echristo@apple.com>
1628 Evan Cheng <evan.cheng@apple.com>
1630 * predicates.md (vector_all_ones_operand): New.
1631 (nonimmediate_or_sse_const_operand): Ditto.
1632 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1633 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1634 (standard_sse_mode_p): Ditto.
1635 (standard_sse_constant_p): Add case for -1 vector.
1636 (ix86_expand_vector_move): Try to use.
1637 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1638 Call standard_sse_constant_opcode.
1639 (*movv4sf_internal): Ditto.
1640 (*movv2df_internal): Ditto.
1642 2006-06-29 Roger Sayle <roger@eyesopen.com>
1644 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1645 of XEXP to extract the operands of a MATCH_CODE rtx.
1647 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1649 * tree.c (tree_size): Do not waste tail padding in
1650 struct tree_string and make the size be the same as
1651 build_string will generate.
1653 2006-06-28 Jason Merrill <jason@redhat.com>
1656 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1657 may_aliases already in the tag's annotations to the bitmap.
1659 2006-06-28 Roger Sayle <roger@eyesopen.com>
1661 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1663 2006-06-28 Roger Sayle <roger@eyesopen.com>
1665 * genpreds.c (generate_switch_p): New function.
1666 (add_mode_tests): Push the new mode test down inside an AND expr
1667 if this allows the switch-suitable MATCH_CODE to be near the root.
1668 (write_match_code_switch): New function to write a MATCH_CODE as
1670 (write_predicate_stmts): New function to write a predicate RTX
1671 expression as a sequence of statements.
1672 (write_one_predicate_function): Use write_predicate_stmts.
1673 (write_tm_constrs_h): Likewise.
1675 2006-06-26 Fred Fish <fnf@specifix.com>
1677 * config/mips/t-sb1: New file.
1678 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1681 2006-06-26 DJ Delorie <dj@redhat.com>
1683 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1685 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1686 Jayant Sonar <jayants@kpitcummins.com>
1687 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1689 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1690 (subsi3, subsi3_1, subsi3_2): New.
1691 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1692 * config/m32c/mov.md (SI mov peephole): New.
1693 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1694 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1696 2006-06-26 Olivier Hainque <hainque@adacore.com>
1698 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1699 a CALL_EXPR target function declaration.
1701 2006-06-26 Richard Guenther <rguenther@suse.de>
1703 * tree.c (build_string): Do not waste tail padding in
1706 2006-06-26 Richard Guenther <rguenther@suse.de>
1708 * ggc-page.c (init_ggc): Add missing element to size_lookup
1712 2006-06-23 Richard Guenther <rguenther@suse.de>
1714 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1715 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1716 alignment requests instead. Add verification code.
1717 Add struct tree_function_decl and struct tree_binfo size to
1718 extra_order_size_table. Add missing element to size_lookup
1721 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1724 * fold-const.c (const_binop): Be prepared for self returning zero.
1725 Simplify code handling complex values.
1727 2006-06-24 Olivier Hainque <hainque@adacore.com>
1729 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1730 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1733 2006-06-24 Olivier Hainque <hainque@adacore.com>
1735 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1736 ARRAY_REF, so have the callback called for the low bound expression.
1738 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1740 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1741 * c-typeck.c (c_common_type): Disallow operations on decimal float
1742 types and other float types.
1743 * convert.c (convert_to_real): Don't ignore conversions involving
1744 decimal float types.
1746 2006-06-23 Olivier Hainque <hainque@adacore.com>
1748 * tree.c (max_int_size_in_bytes): New function, inspired from
1749 code in function.c:assign_temp.
1750 * tree.h (max_int_size_in_bytes): Declare.
1751 * function.c (assign_temp): Use it.
1752 * gimplify.c (create_tmp_var): Relax the assertions on the type
1753 properties, not mandating constant size any more.
1754 (force_constant_size): New static function.
1755 (gimple_add_tmp_var): Use it, forcing variable size to a
1756 constant upper bound if it is not constant on entry.
1758 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1761 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1762 for initialization and setting of one_only flag to ...
1763 (i386_pe_encode_section_info): ...here.
1764 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1765 Recheck that the symbol has not been defined.
1767 2006-06-23 Richard Guenther <rguenther@suse.de>
1769 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1770 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1771 alignment requests instead. Add verification code.
1772 Add struct tree_function_decl and struct tree_binfo size to
1773 extra_order_size_table. Add missing element to size_lookup
1776 2006-06-22 Roger Sayle <roger@eyesopen.com>
1777 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1780 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1781 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1783 2006-06-23 Ben Elliston <bje@au.ibm.com>
1785 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1786 negate dn -- manipulate it directly.
1788 2006-06-22 Roger Sayle <roger@eyesopen.com>
1789 Steven Bosscher <stevenb.gcc@gmail.com>
1792 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1793 generated by gen_move_insn to add REG_LABEL notes if necessary.
1795 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1797 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1798 (leaf_entry): Remove use of MIN_ESA.
1800 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1802 PR rtl-optimization/28121
1803 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1806 2006-06-21 DJ Delorie <dj@redhat.com>
1808 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1810 (mulhisi3_r): Likewise.
1812 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1815 * coverage.c (coverage_counter_alloc): Leave the index type
1817 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1820 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1822 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1823 section from the "Options for Code Generation Conventions".
1825 2006-06-21 Richard Henderson <rth@redhat.com>
1829 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1831 (global_symbolic_operand): Allow weak symbols, even if local_p.
1833 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1835 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1836 (find_interesting_uses_address): Punt if above function returns true.
1838 2006-06-21 Richard Guenther <rguenther@suse.de>
1840 * configure: Regenerated.
1842 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1844 * config/mips/mips.c (function_arg): Where one part of a
1845 complex argument is in registers and the other part in the stack,
1846 return a REG not a PARALLEL.
1848 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1850 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1851 when cross-compiling. Do not substitute libstdcxx_incdir.
1852 * configure: Regenerated.
1854 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1856 * varasm.c (mergeable_string_section): Check for embedded NULs and
1857 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1858 rather than TREE_STRING_LENGTH bytes.
1860 2006-06-21 Richard Guenther <rguenther@suse.de>
1862 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1863 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1866 2006-06-21 Richrad Guenther <rguenther@suse.de>
1868 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1869 Limit iteration over the dominators.
1871 2006-06-20 Roger Sayle <roger@eyesopen.com>
1873 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1874 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1876 2006-06-20 Richard Guenther <rguenther@suse.de>
1877 Michael Matz <matz@suse.de>
1879 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1881 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1882 * et-forest.h (et_free_pools): Prototype new function.
1883 * et-forest.c (et_free_tree_force): Free parent occurrence.
1884 (et_free_pools): New function.
1885 * dominance.c (free_dominance_info): Free et-forest alloc
1888 2006-06-20 Roger Sayle <roger@eyesopen.com>
1890 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1891 integer modes, attempt to directly construct an integer constant.
1893 * fold-const.c (native_encode_vector): Determine the size of each
1894 element from the vector type instead of the first vector element.
1896 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1897 if all of its elements/components are constant.
1898 (build_constructor_from_list): Likewise.
1900 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1902 PR tree-optimization/27331
1903 * tree-data-ref.c (free_data_ref): New function.
1904 (create_data_ref): Fail if the data reference has unknown access
1906 (free_data_refs): Use free_data_ref.
1908 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1911 * tree-inline.c (setup_one_parameter): Strip useless
1912 type conversion before adding it to the IR.
1913 (declare_return_variable): Likewise.
1915 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1918 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1920 2006-06-19 Mike Stump <mrs@apple.com>
1922 * tree.c (variably_modified_type_p): VM arguments don't make the
1925 2006-06-19 Richard Guenther <rguenther@suse.de>
1927 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1928 type conversions after folding.
1930 2006-06-19 Richard Guenther <rguenther@suse.de>
1932 * ggc-page.c (extra_order_size_tab): Add entries with
1933 size of struct function and basic_block.
1934 (size_lookup): Extend to cover sizes up to 511.
1935 (ggc_alloc_stat): Adjust user.
1936 (ggc_pch_count_object): Likewise.
1937 (ggc_pch_alloc_object): Likewise.
1938 (ggc_pch_write_object): Likewise.
1940 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1942 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1943 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1946 2006-06-19 Denis Chertykov <denisc@overta.ru>
1948 * config/avr/libgcc.S : Correct my wrong previous commit.
1950 2006-06-19 Roger Sayle <roger@eyesopen.com>
1953 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1954 have stripped a SUBREG from the shift count, so we may need to
1955 convert_to_mode back to the type's mode before calling make_tree.
1956 Use new_amount instead of amount to avoid expanding a tree twice.
1958 2006-06-19 Richard Guenther <rguenther@suse.de>
1961 * fold-const.c (operand_equal_p): Check if the argument types
1962 have the same precision before stripping NOPs.
1964 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1966 Fix PR tree-optimization/27341
1967 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1969 * tree-complex.c (pass_lower_complex): Update SMT usage.
1971 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1973 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1974 Add a new alternative to the constraint strings. Add move of
1975 operand 1 to 3 to the splitter definition.
1976 ("doloop_si_long"): Second contraint alternative removed.
1978 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1980 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1981 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1983 (AVR_HAVE_MOVW) Define.
1984 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1985 (ASM_SPEC): Add avr25.
1986 (LINK_SPEC): Add avr25.
1987 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1988 (base_arch_s): Add new member 'have_movw_lpmx'.
1989 (avr_arch_types): Init 'have_movw_lpmx'.
1990 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1991 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1992 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1993 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1994 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1996 (avr_file_start): Do not output '.arh' derective.
1997 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1998 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1999 * config/avr/avr.md (mcu_enhanced): Delete.
2000 (mcu_have_movw): Define.
2001 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2002 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2003 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2004 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2005 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2006 attiny861 and at86rf401 devices.
2008 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2010 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2013 2006-06-17 Karl Berry <karl@gnu.org>
2015 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2016 doc/gccint.texi, doc/install.texi (@dircategory): Use
2017 "Software development" instead of "Programming", following
2018 the Free Software Directory.
2020 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2022 * config/i386/i386.c (legitimate_tls_address)
2023 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2024 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2025 (*tls_dynamic_gnu2_combine_64): Likewise.
2027 2006-06-16 Richard Guenther <rguenther@suse.de>
2030 * fold-const.c (negate_expr_p): Do not introduce undefined
2031 overflow in negating INTEGER_CSTs.
2032 (fold_negate_expr): Rename from negate_expr. Revert last
2033 change for folding BIT_NOT_EXPR. Change semantics to
2034 return NULL_TREE for non-simplified negations. Do not
2035 strip type conversions and unify type handling.
2036 (negate_expr): New function, wrap around fold_negate_expr
2037 but ensure building a tree always. Strip type conversions
2038 here, fold to result type.
2039 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2041 2006-06-16 Roger Sayle <roger@eyesopen.com>
2044 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2045 that (would) return their results in stack registers.
2047 2006-06-16 Michael Matz <matz@suse.de>
2048 Richard Guenther <rguenther@suse.de>
2050 * fold-const.c (fold_truthop): Only return new tree node if
2051 we canonicalized something.
2053 2006-06-16 Richard Guenther <rguenther@suse.de>
2055 * function.h (enum function_frequency): Move declaration
2056 out of struct function.
2057 (struct function): Move bool fields and the enum to the bitfield
2058 section. Reorder elements to avoid padding. Remove unused
2059 fields left over from the RTL inliner removal.
2060 * function.c (free_after_compilation): Do not zero removed fields.
2061 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2062 (ipa-type-escape.o): Likewise.
2064 2006-06-16 Richard Guenther <rguenther@suse.de>
2066 * cgraph.h (struct cgraph_local_info): Turn bool elements
2068 (struct cgraph_node): Likewise.
2069 (struct cgraph_varpool_node): Likewise.
2071 2006-06-15 Richard Guenther <rguenther@suse.de>
2073 * fold-const.c (fold_truth_not_expr): Rename from
2074 invert_truthvalue. Give it fold_* semantics to avoid
2076 (invert_truthvalue): New function. Wrapper around
2077 fold_truth_not_expr.
2078 (optimize_minmax_comparison): Avoid creating garbage.
2079 (fold_unary): Use fold_truth_not_expr for folding
2081 (fold_ternary): Replace uses of invert_truthvalue with
2082 fold_truth_not_expr where applicable.
2083 * tree.h (fold_truth_not_expr): Prototype.
2085 2006-06-16 Richard Guenther <rguenther@suse.de>
2087 PR tree-optimization/27781
2088 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2089 * ipa-pure-const.c (target.h): Include.
2090 (analyze_function): Do not analyze functions that do not
2093 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2096 * tree-dfa.c (referenced_vars_dup_list): Remove.
2097 (find_referenced_vars): Remove assert.
2098 (referenced_var_check_and_insert): Replace dup list with assert.
2099 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2100 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2102 2006-06-15 Richard Guenther <rguenther@suse.de>
2104 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2105 extra unused identifiers if not dumping.
2106 (create_variable_info_for): Likewise.
2108 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2110 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2111 (derive_constant_upper_bound): Derive more precise upper bound in
2112 common cases. Return type changed to double_int.
2113 (record_estimate): Reflect the changed return type of
2114 derive_constant_upper_bound.
2115 * double-int.c (double_int_zext, double_int_sext): Fix.
2117 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2119 * configure.ac (CFLAGS): Get them from the toplevel or from the
2120 configure invocation.
2121 * configure: Regenerate.
2122 * Makefile.in (CFLAGS): Substitute value provided by configure.
2124 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2127 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2128 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2129 rather than calling add_stmt on it.
2130 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2132 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2135 * reload1.c (reload): Remove registers returned by update_eliminables
2136 from used_spill_regs.
2138 2006-06-13 DJ Delorie <dj@redhat.com>
2140 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2142 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2144 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2145 html__strip_dir, html__mkdir_p. Enhance install-html target.
2146 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2147 * configure: Regenerate.
2149 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2151 * fold-const.c (fold_cond_expr_with_comparison): Check for
2152 Objective-C++ as language in deciding COND_EXPR transformation.
2154 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2157 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2158 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2159 * config/sh/lib1funcs.h (SL, SL1): Define.
2160 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2161 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2162 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2163 (OBJS_Os_4_200): New variable.
2164 ($(T)libgcc-Os-4-200.a): Use it.
2165 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2166 when dividing 1 and/or by 0.
2168 2006-06-13 Roger Sayle <roger@eyesopen.com>
2170 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2171 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2172 * configure: Regenerate.
2174 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2176 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2177 for real instruction.
2179 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2182 * haifa-sched.c (check_cfg): Handle special case.
2184 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2187 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2188 Add debug_info parameter. Chain the vars to the BLOCK instead
2189 of the BIND_EXPR if debug info are requested for them.
2190 (pop_gimplify_context): Adjust for above change.
2191 (gimple_add_tmp_var): Likewise.
2192 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2194 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2195 (convert_local_reference): Likewise.
2196 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2197 (finalize_nesting_tree_1): Request that debug info be emitted
2198 for debug_var_chain.
2200 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2202 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2203 for PR target/27863.
2205 2006-06-13 Richard Guenther <rguenther@suse.de>
2208 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2210 2006-06-13 Richard Guenther <rguenther@suse.de>
2212 PR tree-optimization/27830
2213 * tree-inline.c (copy_body_r): For copying the operand
2214 of an ADDR_EXPR make sure to fold &* afterwards.
2216 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2218 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2219 lvalues in the fb_none case with side-effects.
2221 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2223 * tree-flow.h: Remove the prototype for
2224 compute_phi_arg_on_exit.
2225 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2226 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2229 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2231 * builtins.c (expand_builtin_return_addr): Only use
2232 frame_pointer_rtx when count == 0 and we are expanding
2233 __builtin_return_address.
2235 2006-06-12 Fred Fish <fnf@specifix.com>
2237 * config/mips/mips.c (mips_file_start): Create special section
2238 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2240 2006-06-11 Eric Christopher <echristo@apple.com>
2243 * stor-layout.c (place_field): Remove check for
2244 remaining_in_alignment when aligning at the end of a run.
2246 2006-06-11 Eric Christopher <echristo@apple.com>
2249 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2252 2006-06-11 Roger Sayle <roger@eyesopen.com>
2255 Revert incorrect fix for PR target/27158
2256 2006-05-08 Roger Sayle <roger@eyesopen.com>
2257 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2258 of a reg_equiv_constant if the result is a legitimate constant.
2260 2006-06-11 Roger Sayle <roger@eyesopen.com>
2263 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2264 extract a CONST_VECTOR element and interpret it as an integer.
2265 (vspltis_constant): Use const_vector_elt_as_int instead of the
2266 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2267 * config/rs6000/predicates.md (easy_vector_const): Consider
2268 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2270 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2273 * stor-layout.c (update_alignment_for_field): Don't add extra
2274 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2277 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2279 * config/mips/t-rtems: Add EL/EB multilib variants.
2281 2006-06-09 Mike Stump <mrs@apple.com>
2283 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2285 2006-06-09 David Daney <ddaney@avtrex.com>
2287 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2289 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2291 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2293 2006-06-09 Richard Guenther <rguenther@suse.de>
2295 PR tree-optimization/26998
2296 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2297 of signed types, only TYPE_MIN_VALUE is special, but for both,
2298 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2299 in this case, as is -fwrapv.
2301 2006-06-08 Mike Stump <mrs@apple.com>
2304 * config/darwin.c (darwin_asm_output_anchor): Disable
2305 -fsection-anchors on darwin for now.
2306 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2307 * rs6000/rs6000.c (optimization_options): Likewise.
2309 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2312 * config/i386/i386.c (classify_argument): Skip fields with invalid
2315 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2317 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2318 (cse_insn): Likewise for the stack_pointer_rtx.
2320 2006-06-08 Roger Sayle <roger@eyesopen.com>
2322 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2323 conditions from floating point comparisons.
2325 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2328 * expmed.c (struct alg_hash_entry): Fix type of field T
2329 to match synth_mult argument.
2330 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2332 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2335 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2338 2006-06-08 Richard Guenther <rguenther@suse.de>
2341 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2342 only, if overflow is defined and not trapping.
2343 (negate_expr): Likewise.
2345 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2347 PR tree-optimization/27872
2348 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2349 flag on the new exit edge of the unrolled loop.
2351 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2353 PR rtl-optimization/26449
2354 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2356 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2359 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2360 referenced_variables with matching DECL_UID's.
2361 (find_referenced_vars): Make sure duplicate list is empty to start.
2362 (referenced_var_p): Remove.
2363 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2364 Check if var is in the list, and add if needed. Update the duplicate
2365 list if a different var is in the list with the same DECL_UID.
2366 (add_referenced_var): Call routine to check and insert.
2367 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2368 * tree-flow.h (referenced_vars_dup_list): External declaration.
2370 2006-06-07 Fred Fish <fnf@specifix.com>
2372 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2375 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2378 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2379 the imaginary and real parts of a clobbered register.
2380 Emit insn to set the imaginary part.
2382 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2384 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2385 in lieu of unwind-dw2-fde.c.
2387 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2389 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2391 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2394 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2395 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2396 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2397 V4SImode temporaries and operations instead.
2399 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2401 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2404 2006-06-06 Mike Stump <mrs@apple.com>
2406 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2407 installing during build.
2409 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2411 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2413 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2414 * config/ia64/ia64.c (params.h): New header.
2415 (ia64_optimization_options): New function to adjust parameters.
2416 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2417 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2418 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2420 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2422 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2424 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2427 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2429 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2430 Victor Kaplansky <victork@il.ibm.com>
2432 PR tree-optimization/26360
2433 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2436 2006-06-04 Roger Sayle <roger@eyesopen.com>
2437 Andrew Pinski <pinskia@physics.uc.edu>
2440 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2441 for LABEL_DECL before calling DECL_WEAK.
2444 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2445 LABEL_DECL and PARM_DECL.
2447 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2451 * c-decl.c (grokdeclarator): Disallow variably modified types at
2452 file scope. Avoid marking shared array type of constant size as
2455 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2458 * c-common.c (fold_offsetof_1): Handle static members.
2460 2006-06-04 Eric Christopher <echristo@apple.com>
2462 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2463 (debug_rli): Output value for remaining_in_alignment.
2464 (update_alignment_for_field): Unconditionalize
2465 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2466 extra alignment code.
2467 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2468 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2469 * tree.h (record_layout_info_s): Remove prev_packed.
2470 * doc/extend.texi (ms_struct): Add documentation of format.
2472 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2474 * tree.h: Declare folding_initializer.
2475 * builtins.c (fold_builtin_constant_p): Give definite answer
2476 if folding inside an initializer.
2477 * fold-const.c: Define folding_initializer.
2478 (START_FOLD_INIT): Save and then set folding_initializer.
2479 (END_FOLD_INIT): Restore folding_initializer.
2481 2006-06-04 Richard Guenther <rguenther@suse.de>
2483 PR tree-optimization/27039
2484 * fold-const.c (fold_comparison): Handle pointer comparison
2485 again for all comparison codes. Compare offsets in signed
2487 (fold_binary): Move code from here.
2489 2006-06-03 Roger Sayle <roger@eyesopen.com>
2492 * config/i386/i386.c (construct_container): Split static issued_error
2493 flag into issued_sse_arg_error, issued_sse_ret_error and
2494 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2495 requires the use of x87 registers and the user explicitly
2496 specified the -mno-80387 command line option.
2498 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2500 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2501 HAVE_DECL_SIGALTSTACK.
2503 (segv_handler): Use MC_FLD.
2504 * configure.ac: Check for a sigaltstack declaration.
2505 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2506 * configure: Regenerate.
2507 * config.in: Regenerate.
2509 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2512 * Makefile.in (stmp-fixinc): Fix typo.
2514 2006-06-02 Roger Sayle <roger@eyesopen.com>
2516 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2517 are type correct. Clean-up.
2518 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2519 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2521 2006-06-01 DJ Delorie <dj@redhat.com>
2523 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2524 shift, as we've disabled the "switch" insn that needs it.
2526 2006-06-01 Per Bothner <bothner@bothner.com>
2528 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2529 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2530 * c-ppoutput.c (cb_define): Don't increment line 0.
2532 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2534 * doc/invoke.texi: Add cpu_type power6.
2535 * config.gcc: Add cpu_type power6.
2536 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2537 to power5+ with Altivec.
2538 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2539 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2541 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2543 * config/avr/avr.h (SET_ASM_OP): Define.
2545 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2547 * config/bfin/bfin.c: Fix comment typos.
2549 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2552 * doc/install.texi: Document --enable-bootstrap and
2553 --disable-bootstrap.
2555 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2557 * doc/install.texi: Document that InfoZIP can replace jar.
2559 2006-05-31 Roger Sayle <roger@eyesopen.com>
2561 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2562 isn't available, directly generate the simpler x87 patterns without
2563 the (use (const_int 0)).
2564 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2565 implementation isn't available.
2566 (*negdf2_1): Likewise.
2567 (*negxf2_1): XF mode negation is always done using the x87.
2568 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2570 2006-05-31 Roger Sayle <roger@eyesopen.com>
2572 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2573 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2575 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2577 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2579 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2580 * config/bfin/bfin.c (basic-block.h): Include.
2581 (struct machine_function): New.
2582 (bfin_init_machine_status): New.
2583 (override_options): Initialize init_machine_status.
2584 (bfin_hardware_loop): New.
2585 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2586 (DEF_VEC_P (loop_info)): New.
2587 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2588 (struct loop_info): New.
2589 (loop_info): New typedef.
2590 (struct loop_work): New.
2591 (loop_work): New typedef.
2592 (DEF_VEC_O (loop_work)): New.
2593 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2594 (bfin_dump_loops): New.
2595 (bfin_bb_in_loop): New.
2596 (bfin_scan_loop): New.
2597 (bfin_optimize_loop): New.
2598 (bfin_reorg_loops): New.
2599 (bfin_reorg): Use bfin_reorg_loops.
2600 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2602 (I_REGNO_P): Simplify.
2603 (DP_REGNO_P, DPREG_P): New macros.
2604 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2605 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2606 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2607 Add LT_REGS, LC_REGS, LB_REGS.
2608 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2610 (REGNO_REG_CLASS): Deal with loop registers.
2611 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2613 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2614 New constants for loop registers.
2615 (UNSPEC_LSETUP_END): New.
2616 (seq_insns): New define_attr. Set it for appropriate insns.
2617 (movsi_insn): Add alternatives for move from/to
2618 loop count registers.
2619 (doloop_end): New define_expand.
2620 (loop_end): New define_insn.
2621 (define_split for bad doloop_end): New.
2622 (lsetup_with_autoinit): New define_insn.
2623 (lsetup_without_autoinit): New define_insn.
2624 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2625 * config/bfin/predicates.md (lc_register_operand): New.
2626 (lt_register_operand): New.
2627 (lb_register_operand): New.
2628 (nondp_register_operand): New.
2629 (nondp_reg_or_memory_operand): New.
2630 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2632 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2634 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2635 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2637 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2639 * Makefile.in (CATALOGS): Add po/ prefix.
2640 * configure: Regenerated.
2642 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2645 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2646 a shift operand before calling shift_op. Avoid redundant call of
2649 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2650 DJ Delorie <dj@redhat.com>
2652 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2653 we're inserting is a singlt-bit constant.
2655 2006-05-30 Roger Sayle <roger@eyesopen.com>
2657 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2658 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2660 2006-05-30 Roger Sayle <roger@eyesopen.com>
2662 PR tree-optimization/23452
2663 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2664 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2665 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2666 complex values and with -ffast-math for FP complex values.
2668 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2670 * c-common.h: Remove the prototype for yyparse.
2671 * rtl.h: Remove the prototype for init_loop.
2673 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2675 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2678 2006-05-30 Roger Sayle <roger@eyesopen.com>
2680 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2682 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2683 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2685 2006-05-30 Dirk Mueller <dmueller@suse.de>
2688 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2689 for CONSTANT_CLASS_P expresisons.
2691 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2694 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2696 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2698 PR tree-optimization/27779
2699 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2700 initial_condition instead of CHREC_LEFT.
2702 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2704 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2705 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2706 Make prototypes ISO C90.
2708 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2709 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2711 * see.c (see_analyze_one_def): Correct check.
2712 (see_get_extension_data): Check if extension is parallel.
2713 (see_get_extension_reg): Likewise.
2715 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2718 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2719 into register for (code == GTU).
2721 2006-05-29 Roger Sayle <roger@eyesopen.com>
2723 PR tree-optimization/24964
2724 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2725 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2726 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2727 abs(x)*abs(x) as x*x for scalar floating point modes.
2729 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2732 * lambda-code.c (perfect_nestify): Don't copy statements
2733 in the inner loop: move them to the inner loop header.
2735 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2738 * c-tree.texi: Document OpenMP directives and clauses.
2740 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2742 * varasm.c (globalize_decl): Fix indentation.
2744 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2747 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2748 pass_fre, pass_store_ccp, pass_copy_prop,
2749 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2750 pass_return_slot, pass_object_size, pass_lim,
2751 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2752 pass_loop_prefetch and pass_stdarg.
2754 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2756 * config/bfin/bfin.opt (mfdpic): New option.
2757 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2758 (EXTRA_MULTILIB_PARTS): Likewise.
2759 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2760 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2762 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2763 (CRT_CALL_STATIC_FUNCTION): New.
2764 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2766 (CRT_CALL_STATIC_FUNCTION): New.
2767 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2769 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2770 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2771 (initialize_trampoline): Changed to handle FD-PIC code generation.
2772 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2773 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2774 (override_options): Disallow -mid-shared-library -mfdpic combination.
2775 Can't do unaligned ops if FD-PIC.
2776 Turn off flag_pic if trying to generate non-id-shared-library
2777 non-fdpic code, since it's not supported.
2778 (bfin_assemble_integer): New function.
2779 (TARGET_ASM_INTEGER): Define.
2780 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2782 * config/bfin/crtn.s: Restore them.
2783 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2785 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2786 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2787 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2788 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2789 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2791 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2792 FDPIC_REGS and FDPIC_FPTR_REGS.
2793 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2794 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2795 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2796 (load_funcdescsi): New pattern.
2797 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2798 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2799 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2801 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2803 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2806 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2808 * tree-flow.h: Remove the prototype for add_type_alias.
2809 * tree-ssa-alias.c (add_type_alias): Remove.
2811 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2813 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2814 config/fr30/fr30.md, config/i386/i386-interix.h,
2815 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2816 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2817 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2818 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2819 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2820 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2821 Follow spelling conventions.
2822 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2823 Follow spelling conventions.
2825 2006-05-27 Richard Guenther <rguenther@suse.de>
2828 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2829 to produce a constant of value 1 of generic type.
2831 2006-05-27 Dirk Mueller <dmueller@suse.de>
2833 * cgraphunit.c (decide_is_function_needed): Fix wrong
2836 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2838 PR rtl-optimization/27661
2839 * reload.c (find_reloads): When reloading a VOIDmode constant
2840 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2841 use Pmode as mode of the reload register.
2843 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2845 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2846 is enabled at -O and above.
2848 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2851 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2854 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2857 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2858 for anonymous variables explicitly declared by front ends.
2860 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2862 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2863 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2864 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2865 ref-all pointers, run a finalization pass for them.
2866 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2867 (finalize_ref_all_pointers): New function.
2868 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2869 regular pointer type to a ref-all pointer type.
2870 (get_tmt_for): Return the special memory tag for ref-all pointers.
2872 2006-05-25 Richard Guenther <rguenther@suse.de>
2875 * fold-const.c (fold_binary): Do not look at the stripped
2876 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2878 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2880 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2881 for LT and GT if the computed range is effectively empty.
2883 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2886 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2887 mips_quad_format formats instead of ieee_single_format,
2888 ieee_double_format and ieee_quad_format formats, respectively.
2890 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2892 PR tree-optimization/27639
2893 PR tree-optimization/26719
2894 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2895 call to scev_probably_wraps_p.
2896 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2897 used_in_pointer_arithmetic_p, convert_step): Removed.
2898 (nowrap_type_p): New function.
2899 (scev_probably_wraps_p): Rewritten.
2900 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2901 chrec_convert if chrec_convert_aggressive might have been used.
2902 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2903 scev_direction): New functions.
2904 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2905 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2906 instead of convert_step.
2907 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2908 (convert_step): Declaration removed.
2909 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2911 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2913 * df-core.c: Added to header comments.
2914 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2915 df_ur_bb_info, df_urec_bb_info): Added comments.
2916 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2917 urec, ri problems): Fixed header comments.
2918 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2919 code from df_rd_transfer_function.
2921 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2923 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2924 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2925 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2927 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2929 * expr.c (undefined_operand_subword_p): New.
2930 (emit_move_multi_word): Do not generate move from undefined bits
2931 of a paradoxical subreg.
2933 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2935 PR rtl-optimization/27736
2936 * combine.c (replaced_rhs_value): New variable.
2937 (combine_instructions): Set it.
2938 (distribute_notes): When distributing a note in replaced_rhs_insn,
2939 check whether the value was used in replaced_rhs_value.
2941 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2944 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2945 add_referenced_var instead of add_referenced_tmp_var.
2946 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2947 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2949 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2950 tree_optimize_tail_calls_1): Use add_referenced_var.
2951 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2952 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2953 Use add_referenced_var.
2954 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2955 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2956 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2957 Use add_referenced_var.
2958 * tree-dfa.c (struct walk_state): Remove.
2959 (find_referenced_vars): Remove walk state and vars_found hash table.
2960 (make_rename_temp): Use add_referenced_var.
2961 (find_vars_r): Pass less parameters to add_referenced_var.
2962 (referenced_var_p): New. Is var in referenced_var hash table.
2963 (referenced_var_insert): Assert var isn't already in hash table.
2964 (add_referenced_var): Don't need walk_state parameter. Add var if it
2965 isn't already in the hash table.
2966 (add_referenced_tmp_var): Remove.
2967 (find_new_referenced_vars_1): Use add_referenced_var.
2968 * tree-ssa-pre.c (create_expression_by_pieces,
2969 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2970 Use add_referenced_var.
2971 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2972 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2973 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2975 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2976 vect_create_data_ref_ptr, vect_create_destination_var,
2977 vect_init_vector, vect_build_loop_niters,
2978 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2979 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2980 Use add_referenced_var.
2981 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2982 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2983 (add_referenced_var): Add prototype.
2984 * tree-ssa-structalias.c (get_constraint_for,
2985 intra_create_variable_infos): Use add_referenced_var.
2987 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2989 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2990 big-endian paradoxical subregs.
2991 * var-tracking.c (struct micro_operation_def): Document that,
2992 for modify micro operations, insn is the subsequent instruction.
2993 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2994 (var_reg_set, var_mem_set): ... new functions.
2995 (add_stores): Record subsequent insn.
2996 (compute_bb_dataflow): Use new functions for MO_USE.
2997 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2998 notes after the insn, and modify notes before the insn known
2999 to be the subsequent one.
3000 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3002 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3005 * config/i386/i386.c (ix86_expand_builtin): Use
3006 gen_sse3_monitor64 for TARGET_64BIT.
3008 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3010 PR rtl-optimization/26375
3011 PR rtl-optimization/26855
3012 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3014 (df_ru_bb_local_compute): Reversed statements and removed bogus
3015 comment explaining why they should be in wrong order.
3016 (df_ru_dump, df_rd_dump): Enhanced debug info.
3017 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3019 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3020 reaching uses and fixed space problem.
3022 2006-05-23 Jan Hubicka <jh@suse.cz>
3024 * cgraphunit.c (decide_is_function_needed): Also nested functions
3025 and functions declared inline can be optimized out at -O0.
3027 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3029 * doc/install.texi (Configuration): Remove reference to CrossGCC
3033 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3036 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3037 ix86_compare_emitted is non-NULL.
3039 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3042 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3045 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3047 PR rtl-optimization/25514
3048 * combine.c (replaced_rhs_insn): New variable.
3049 (combine_instructions): Set replaced_rhs_insn when trying to replace
3050 a SET_SRC with a REG_EQUAL note.
3051 (distribute_notes): Use replaced_rhs_insn when determining the live
3052 range of a REG_DEAD register.
3054 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3055 Anatoly Sokolov <aesok@post.ru>
3057 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3058 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3059 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3060 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3061 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3062 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3063 at90usb647, at90usb1286 and at90usb1287 devices.
3064 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3065 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3067 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3069 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3071 2006-05-22 Richard Guenther <rguenther@suse.de>
3074 2006-01-31 Richard Guenther <rguenther@suse.de>
3075 Paolo Bonzini <bonzini@gnu.org>
3077 * doc/install.texi (--disable-libgcc-math): Document.
3079 2006-05-22 Richard Guenther <rguenther@suse.de>
3082 2006-01-31 Richard Guenther <rguenther@suse.de>
3084 * doc/invoke.texi (-msselibm): Document.
3085 * target.h (expand_library_builtin): New target hook.
3086 * builtins.c (expand_builtin): Use expand_library_builtin.
3087 (default_expand_library_builtin): New function.
3088 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3089 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3090 (link_gcc_math_spec): Declare.
3091 (static_specs): Add link_gcc_math_spec.
3092 * expr.h (default_expand_library_builtin): Declare.
3093 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3094 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3095 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3096 * config/i386/i386.opt (msselibm): New target option.
3097 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3098 (ix86_init_sse_abi_builtins): New function.
3099 (ix86_expand_library_builtin): Likewise.
3100 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3101 (override_options): Handle error conditions wrt -msselibm.
3102 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3103 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3104 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3107 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3110 * c-common.c (self_promoting_args_p): Skip erroneous args.
3113 * c-decl.c (finish_struct): Skip erroneous fields.
3115 2006-05-22 Nick Clifton <nickc@redhat.com>
3117 * config/cris/cris.opt (march): Remove VarExists attribute.
3118 (max-stackframe=): Likewise.
3120 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3122 * doc/rtl.texi: Fix a typo.
3123 * see.c: Fix comment typos.
3125 * tree-ssa-structalias.h (alias_info): Remove num_references.
3127 2006-05-21 Mike Stump <mrs@apple.com>
3129 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3131 (darwin_pragma_options): Use BAD instead.
3132 (darwin_pragma_unused): Likewise.
3133 (darwin_pragma_ms_struct): Likewise.
3135 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3137 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3139 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3141 PR rtl-optimization/27671
3142 * simplify-rtx.c (simplify_relational_operation_1): Fix
3143 simplifications of (eq/ne (xor x y) y) and
3144 (eq/ne (xor x y) x).
3146 PR tree-optimization/26622.
3147 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3150 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3152 * tree-cfg.c: Prune whitespace.
3153 (debug_tree_cfg): Point to correct header containing the
3156 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3159 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3161 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3164 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3165 or sorry count is non zero.
3167 2006-05-20 Andreas Schwab <schwab@suse.de>
3169 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3171 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3172 Kenneth Zadeck <zadeck@naturalbridge.com>
3174 PR rtl-optimization/26855
3176 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3178 (df_scan_alloc): Added code to properly handle multiword hard
3179 registers and add all_blocks parameter.
3180 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3181 code to properly handle multiword hard registers.
3182 (df_rescan_blocks): Added code to remove deleted blocks from
3184 (df_ref_create_structure, df_ref_record): Added code to properly
3186 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3187 and set DF_REF_PARTIAL.
3188 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3189 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3190 (df_scan_add_problem): Added flags parameter.
3191 (df_ref_create_structure): Changed switching structure.
3192 (df_bb_refs_record): Fixed case where duplicate artificial refs
3193 were created. Changed location of flags.
3194 (df_record_entry_block_defs): Added code to make stack pointer
3195 live in entry block. Refined cases where frame pointer is needed.
3196 Changed location of flags.
3197 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3198 (df_set_state): Removed function.
3199 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3200 df_insn_create_insn_record, df_insn_refs_delete,
3201 df_ref_create_structure): Formatting changes.
3202 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3203 df_delete_basic_block): New function.
3204 (df_init): Changed location of flags.
3205 (df_add_problem): Added flags parameter and the way flags are
3207 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3208 debug_df_chain): Improved debugging output.
3209 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3210 (df_refs_chain_dump): Removed df parameter.
3211 (df_iterative_dataflow): Added consistency check.
3212 (df_prune_to_subcfg): Made public.
3213 (df_analyze_problem): Added blocks_to_init parameter and made
3215 (df_ref_record, df_bb_refs_record, df_mark_reg,
3216 df_record_exit_block_uses): Whitespace changes.
3217 (df_dump): Whitespace changes.
3218 * df.h: Some reordering to remove forward references.
3219 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3220 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3221 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3222 (dataflow.flags): New field.
3223 (df.flag): Deleted field.
3224 (df_alloc_function): Added additional bitmap parameter.
3225 (df_dependent_problem_function): New type.
3226 (df_problem.changeable_flags): New field.
3227 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3228 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3229 (df_mw_hardreg): New struct.
3230 (DF_INSN_UID_MWS): New macro.
3231 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3233 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3234 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3235 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3236 (df_set_state): Removed function.
3237 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3238 * df-problems.c (df_chain_dump): Removed df parameter.
3239 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3240 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3242 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3243 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3244 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3245 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3246 DF_REF_MUST_CLOBBER cases.
3247 (df_ru_bb_local_compute_process_def,
3248 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3249 df_lr_bb_local_compute, df_ur_bb_local_compute,
3250 df_chain_create_bb): Made subreg aware.
3251 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3252 df_lr_bb_local_compute, df_lr_bb_local_compute,
3253 df_chain_create_bb): Cleanup to use proper macros.
3254 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3255 code to fixup bitvectors.
3256 (df_ri_alloc): Cleared lifetime.
3257 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3258 df_create_unused_note): New function.
3259 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3260 REG_DEAD and REG_UNUSED notes as well as register information.
3261 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3262 df_chains_dump): Fixed crash if problem was never run.
3263 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3264 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3265 df_ri_add_problem): Processes flags in uniform manner.
3266 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3267 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3268 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3269 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3270 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3271 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3272 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3273 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3274 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3275 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3276 * see.c (see_initialize_data): Ditto.
3277 * final.c (rest_of_clean_state) Added regstack_completed.
3278 * rtl.h (regstack_completed): Ditto.
3279 * reg-stack.c (regstack_completed): Ditto.
3281 2006-05-19 Mike Stump <mrs@apple.com>
3283 * c-tree.h (default_conversion): Remove.
3284 * c-common.h (default_conversion): Add.
3286 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3288 * tree-vrp.c (valid_value_p): New function.
3289 (adjust_range_with_scev): Fail if the value of bound is not
3292 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3294 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3295 (mips_fallback_frame_state): Use syscall numbers to determine
3296 the appropriate li instruction for the current ABI. Only use
3297 __NR_sigreturn for o32.
3299 2006-05-19 Nicolas Setton <setton@adacore.com>
3301 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3302 * langhooks.c (lhd_dwarf_name): New function.
3303 * langhooks-def.h (lhd_dwarf_name): Declare.
3304 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3305 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3306 * ada/misc.c (gnat_dwarf_name): New function.
3307 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3309 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3311 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3313 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3314 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3315 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3316 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3317 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3318 determine the size of Wtype, etc.
3319 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3320 (swfloatfuncs): New variable.
3321 (dwfloatfuncs): Likewise.
3322 (lib2funcs): Remove floating-point conversion functions from
3323 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3324 the set of conversion routines needed. Allow entries to specify
3325 an object name, filename and word size. Update users accordingly.
3326 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3327 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3331 2006-02-08 Roger Sayle <roger@eyesopen.com>
3334 * config/fixtfdi.c: New libgcc source file.
3335 * config/fixunstfdi.c: New source file.
3336 * config/floatditf.c: New source file.
3337 * config/floatunditf.c: New souce file.
3338 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3339 files above instead of config/mips/_tilib.c.
3340 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3342 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3344 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3345 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3347 2006-05-18 Mike Stump <mrs@apple.com>
3349 Fix up vla, vm and [*] sematics.
3355 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3356 (c_vla_unspec_p): Add.
3357 (c_vla_type_p): Add.
3358 * c-decl.c (struct c_scope): Add had_vla_unspec.
3359 (build_array_declarator): Add support for [*].
3360 (grokdeclarator): Likewise.
3361 (grokparms): Likewise.
3362 (get_parm_info): Likewise.
3363 * c-objc-common.c (c_vla_unspec_p): Likewise.
3364 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3365 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3366 typeof when argument is a variably modified type not inside sizeof or alignof.
3367 (c_parser_direct_declarator_inner): Propagate errors.
3368 (c_parser_sizeof_expression): Add support for [*].
3369 (c_parser_parms_declarator): Initialize had_vla_unspec.
3370 (c_parser_parms_list_declarator): Likewise.
3371 * c-typeck.c (c_vla_type_p): Add.
3372 (composite_type): Add support for vla compositing.
3373 (comptypes_internal): Add support for vla compatibility.
3374 (c_expr_sizeof_expr): Evaluate vla arguments.
3375 * tree.c (variably_modified_type_p): Update comment for [*].
3377 2006-05-18 Michael Matz <matz@suse.de>
3380 * config.host: Make assignments to host_xmake_file cumulative.
3381 * config.host (*-darwin*): Test $host, not $target.
3383 2006-05-12 Stuart Hastings <stuart@apple.com>
3385 * config/i386/i386.opt (-mstackrealign): New flag.
3386 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3387 (ix86_handle_cconv_attribute): Emit error when
3388 force_align_arg_pointer attribute collides with too many regparms.
3389 (ix86_function_regparm): Limit regparms when used with
3390 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3391 Support stack-realigning prologue in non-main functions. Emit
3392 warning for nested functions under -mstackrealign, emit error for
3393 nested functions with force_align_arg_pointer attribute.
3394 * doc/extend.texi (force_align_arg_pointer): Document it.
3395 * doc/invoke.texi (-mstackrealign): Document it.
3397 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3399 PR rtl-optimization/27477
3400 * combine.c (try_combine): Don't split a parallel consisting
3401 of two sets into two individual sets if both sets reference
3404 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3406 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3407 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3409 * doc/options.texi (VarExists): Updated.
3411 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3413 * unwind-dw2.c: Add declarations for uw_update_context and
3415 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3416 detected, advance frame state and context once to skip over stub.
3418 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3422 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3423 Call rewrite_into_loop_closed_ssa only when something changed.
3424 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3425 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3426 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3427 Test for perfect_nest_p here. Fix formating.
3428 (replace_uses_equiv_to_x_with_y): Fix formating.
3429 (stmt_uses_op): Removed.
3430 (can_convert_to_perfect_nest): Removed loopivs parameter.
3431 Complete the test by checking the scalar dependences.
3432 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3435 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3438 From Dan Kegel <dank@kegel.com>:
3439 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3441 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3443 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3444 if the element type is variably modified without recursing.
3446 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3449 * tree-loop-linear.c (try_interchange_loops): Test for
3450 no data dependences.
3452 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3454 PR tree-optimization/27548
3455 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3456 range of ssa names that appear on abnormal edges.
3457 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3458 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3460 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3463 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3465 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3468 * tree.h (OMP_PARALLEL_COMBINED): Define.
3469 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3470 (new_omp_context): Add is_combined_parallel argument.
3471 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3472 new_omp_context caller.
3473 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3474 Adjust gimplify_scan_omp_clauses callers.
3475 (omp_is_private): Issue errors if iteration variable is firstprivate
3476 or reduction in the current context.
3477 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3478 on combined parallel workshare constructs.
3480 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3482 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3483 (gcc-options.o): New rule.
3485 * optc-gen.awk: Protect variables for gcc-options.o with
3486 #ifdef GCC_DRIVER/#endif.
3488 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3490 Fix PR tree-optimization/27373
3491 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3492 (forward_propagate_addr_expr): Update call.
3494 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3496 * doc/options.texi: Move the Negative option.
3498 2006-05-16 Richard Guenther <rguenther@suse.de>
3500 PR tree-optimization/22303
3501 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3503 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3504 ccp_fold did not simplify the statement.
3506 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3509 * Makefile.in (GCC_OBJS): New.
3510 (OBJS-common): Add opts-common.o.
3511 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3512 (cpp$(exeext)): Likewise.
3513 (gcc.o): Also depend on opts.h.
3514 (opts-common.o): New.
3516 * common.opt (gcoff): Add Negative(gdwarf-2).
3517 (gdwarf-2): Add Negative(gstabs).
3518 (gstabs): Add Negative(gstabs+).
3519 (gstabs+): Add Negative(gvms).
3520 (gvms): Add Negative(gxcoff).
3521 (gxcoff): Add Negative(gxcoff+).
3522 (gxcoff+): Add Negative(gcoff).
3523 * config/i386/i386.opt (m32): Add Negative(m64).
3524 (m64): Add Negative(m32).
3526 * doc/options.texi: Document the Negative option.
3528 * gcc.c: Include "opts.h".
3529 (main): Call prune_options after expandargv.
3531 * optc-gen.awk: Generate common declarations for all flag
3532 variables in options.c. Output the neg_index field.
3534 * opts.c (find_opt): Moved to ...
3535 * opts-common.c: Here. New file.
3537 * opts.h (cl_option): Add a neg_index field.
3539 (prune_options): Likewise.
3541 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3544 * omp-low.c (expand_omp_parallel): Don't assert
3545 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3546 instead search for it.
3549 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3552 2006-05-16 Andreas Schwab <schwab@suse.de>
3554 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3557 2006-05-15 Roger Sayle <roger@eyesopen.com>
3560 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3561 integer constants other than zero are only legitimate on TARGET_64BIT.
3562 <CONST_VECTOR> Only zero vectors are legitimate.
3563 (ix86_cannot_force_const_mem): Integral and vector constants can
3564 always be put in the constant pool.
3566 2006-05-16 DJ Delorie <dj@redhat.com>
3568 * crtstuff.c (__dso_handle): Set section from
3569 TARGET_LBIGCC_SDATA_SECTION if defined.
3570 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3571 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3573 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3576 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3579 2006-05-16 Ben Elliston <bje@au.ibm.com>
3581 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3583 2006-05-15 Per Bothner <per@bothner.com>
3585 * tree.c: (last_annotated_node): Use source_locus typedef.
3586 This permits bootstrapping with --enable-mapped-location.
3588 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3590 PR tree-optimization/26830
3591 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3592 (info_for_ssa_name, current_info_for_ssa_name_age,
3593 blocks_to_update): New variables.
3594 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3595 (clear_ssa_name_info, initialize_flags_in_bb,
3596 mark_block_for_update): New functions.
3597 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3598 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3599 prepare_def_site_for): Use mark_block_for_update.
3600 (mark_def_interesting): Assert that the processed block is marked in
3601 blocks_to_update. Do not take blocks argument.
3602 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3604 (rewrite_update_init_block, rewrite_update_stmt): Only process
3605 blocks with statements to rewrite.
3606 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3607 (update_ssa): Initialize and free blocks_to_update. Do not
3608 clear flags on statements. Do not use blocks bitmap.
3609 * tree.h (SSA_NAME_AUX): Removed.
3610 (struct tree_ssa_name): Removed aux field.
3611 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3613 2006-05-15 Richard Guenther <rguenther@suse.de>
3615 PR tree-optimization/27603
3616 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3617 Do computations in original type.
3619 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3621 * see.c: Code style changes such as redundant paranthesis,
3622 redundant intialization of local variables etc.
3623 (see_main): Declared now as static.
3624 * doc/invoke.texi: Update that -fsee is not enabled by
3627 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3629 * omp-low.c (check_omp_nesting_restrictions): New function.
3630 (scan_omp_1): Call it.
3633 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3634 construct, return *VAR.
3636 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3638 PR rtl-optimization/27406
3639 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3642 2006-05-14 Roger Sayle <roger@eyesopen.com>
3644 PR rtl-optimization/27538
3645 * combine.c (expand_compound_operation): Call gen_lowpart
3646 before calling simplify_shift_const.
3648 2006-05-14 Roger Sayle <roger@eyesopen.com>
3650 PR rtl-optimization/22563
3651 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3652 a fixed width bitfield, always force the intermediates into psuedos.
3654 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3657 * mkconfig.sh: Use operator = instead of == for test.
3659 2006-05-13 Nick Clifton <nickc@redhat.com>
3661 * dwarf2out.c (dbx_reg_number): Check return value from
3662 LEAF_REG_REMAP and only use it if it is valid.
3663 (multiple_reg_loc_descriptor): Likewise.
3665 2006-05-13 Richard Guenther <rguenther@suse.de>
3667 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3670 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3672 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3673 information attached to non-INSNs such as NOTEs.
3674 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3676 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3678 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3680 * config/s390/s390.md: Adjust comment describing On constraint.
3682 2006-05-11 Jan Hubicka <jh@suse.cz>
3684 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3685 to be output at -O0.
3687 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3690 * fold-const.c (size_binop): Move sanity check for arguments to
3691 the beginning of the function.
3694 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3697 2006-05-11 Richard Guenther <rguenther@suse.de>
3700 * fold-const.c (fold_unary): Handle intermediate conversion
3701 to a pointer type like intermediate conversion to an integer
3702 type in folding of (T1)(T2)var to var.
3703 Match the code to the comment in the final conversion for
3704 (T1)(T2)var to (T1)var regarding to type precision. Rather
3705 than disallow T1 being of pointer type, assert that both T1
3706 and var are of pointer type or not. Make sure not to fall
3707 over the frontends lazyness wrt array to pointer decay though.
3709 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3711 * arm.c (arm_struct_value_rtx): Delete.
3712 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3713 (arm_init_cumulative_args): Always initialize nregs to zero.
3715 2006-05-10 Richard Guenther <rguenther@suse.de>
3717 PR tree-optimization/27532
3718 * tree-object-size.c (plus_expr_object_size): Fix typo.
3720 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3723 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3724 ashrdi_const, ashrdi3): Use a scratch register.
3726 2006-05-10 Richard Guenther <rguenther@suse.de>
3728 PR tree-optimization/27302
3729 * fold-const.c (operand_equal_p): For two comparisons,
3730 try comparison of one comparison code swapped if that yields
3733 2006-05-10 Ben Elliston <bje@au.ibm.com>
3735 * tree-pretty-print.c (pretty_print_string): No need to handle
3736 '\0' as a special character.
3738 * tree.h: Include "hashtab.h".
3739 (iterative_hash_expr): Use hashval_t in its prototype.
3740 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3742 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3745 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3746 (hppa*64*-*-hpux11*): Ditto.
3747 (hppa[12]*-*-hpux11*): Ditto.
3749 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3752 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3754 2006-05-09 Michael Matz <matz@suse.de>
3756 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3757 host_extra_gcc_objs and host_xmake_file.
3758 (<*-*-linux*>): Don't overwrite host_xmake_file.
3759 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3760 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3761 (host_detect_local_cpu): Declare.
3762 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3763 * config/i386/i386.c (override_options): Handle -mtune=native
3765 * config/i386/x-i386: New file.
3766 * config/i386/driver-i386.c: New file.
3767 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3770 2006-05-09 Dirk Mueller <dmueller@suse.de>
3771 Richard Guenther <rguenther@suse.de>
3774 * fold-const.c (fold_read_from_constant_string): Relax check
3775 for matching types to matching modes.
3777 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3779 PR rtl-optimization/27335
3780 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3783 2006-05-08 Chao-ying Fu <fu@mips.com>
3784 Richard Sandiford <richard@codesourcery.com>
3786 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3787 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3788 * config/mips/mips.md (UNSPEC_SCC): New constant.
3789 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3790 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3791 (mips_emit_compare): Use it.
3792 (mips_expand_vcondv2sf): New function.
3794 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3796 Fix PR tree-optimization/27093
3797 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3798 renaming when they become not-used_alone.
3800 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3802 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3803 relocation and relocation stubs.
3805 2006-05-08 Eric Christopher <echristo@apple.com>
3807 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3810 2006-05-08 Jan Hubicka <jh@suse.cz>
3813 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3814 unused static functions are needed.
3816 2006-05-08 Roger Sayle <roger@eyesopen.com>
3819 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3820 of a reg_equiv_constant if the result is a legitimate constant.
3822 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3825 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3826 standard 80387 constants, raise the cost to prevent
3827 compress_float_constant() to generate load from memory.
3829 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3831 * config/arm/constraints.md (c): Fix a typo.
3833 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3836 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3839 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3841 (_mm_mwait): Likewise.
3843 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3845 (sse3_monitor): Make it 32bit only.
3846 (sse3_monitor64): New. 64bit monitor.
3848 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3851 * config/i386/i386.c (classify_argument): Skip fields with invalid
3854 2006-05-07 Richard Guenther <rguenther@suse.de>
3856 PR tree-optimization/27409
3857 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3858 Do not try to find zero-sized subvars.
3860 2006-05-07 Richard Guenther <rguenther@suse.de>
3862 PR tree-optimization/27136
3863 * tree-ssa-loop-niter.c (get_val_for): Correct function
3864 comment, assert requirements.
3865 (loop_niter_by_eval): Stop processing if the iterated
3866 value did not simplify.
3868 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3870 * opts.c (flag_see): remove its setting at -O3.
3872 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3874 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3875 * arm/constraints.md: New file.
3876 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3877 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3878 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3879 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3880 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3881 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3882 * arm.md: Include constraints.md.
3883 (thumb_movsi_insn): Use satisfies_constraint_J.
3884 (movhi, movqi): Use satisfies_constraint_I.
3886 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3888 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3889 for atmeg a645 device.
3891 2006-05-06 Richard Guenther <rguenther@suse.de>
3893 PR tree-optimization/27151
3894 * tree-vect-transform.c (vectorizable_condition): Punt on
3895 values that have a different type than the condition.
3897 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3900 * c-parser.c (c_parser_cast_expression): Only insert casts into
3901 hash table if pointer.
3902 * function.c (used_types_insert_helper): Rename from
3904 (used_types_insert): Call used_types_insert_helper.
3905 * function.h (used_types_insert): Accept only one argument.
3907 2006-05-05 David Edelsohn <edesohn@gnu.org>
3909 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3910 scratch with output modifier.
3912 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3915 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3916 with output modifier.
3918 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3921 * config/mips/mips.c (mips_symbolic_address_p): Return true
3922 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3923 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3925 2006-05-04 Richard Guenther <rguenther@suse.de>
3927 PR tree-optimization/14287
3928 PR tree-optimization/14844
3929 PR tree-optimization/19792
3930 PR tree-optimization/21608
3931 PR tree-optimization/27090
3932 * tree-ssa-pre.c (try_combine_conversion): New function.
3933 (compute_avail): After constructing the value-handle
3934 expression, use try_combine_conversion to combine NOP_EXPRs
3935 with previous value-handle expressions and use the result if it
3938 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3940 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3942 2006-05-04 Jan Hubicka <jh@suse.cz>
3945 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3947 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3949 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3950 that this only matches CONST_INTs. All users changed to VOIDmode
3953 * config/bfin/bfin.c: Include "optabs.h".
3954 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3956 (enum bfin_builtins): Add a number of fractional and vector builtins.
3957 (bfin_init_builtins): Likewise.
3958 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3959 (safe_vector_operand, bfin_expand_binop_builtin,
3960 bfin_expand_unop_builtin): New functions.
3961 (bfin_expand_builtin): Handle the new builtins.
3962 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3965 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3968 * Makefile.in (OBJS-common): Add see.o.
3969 (see.o): Add dependencies.
3970 * common.opt (fsee): New flag for the see optimization was added.
3971 * opts.c (flag_see): Initialized.
3972 * passes.c (init_optimization_passes, pass_see): New pass.
3973 * rtl.h (see_main): Declaration as extern.
3974 * timevar.def (TV_SEE): New.
3975 * tree-pass.h (pass_see): Declaration as extern.
3976 * invoke.texi (-fsee): Document.
3977 * recog.c (validate_simplify_insn): New function.
3978 * recog.h (validate_simplify_insn): Declaration as extern.
3979 * df-problems.c (df_chain_dump): Check for NULL.
3981 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3982 Daniel Berlin <dberlin@dberlin.org>
3984 * cfgrtl.c (insert_insn_bb_end_new): New function.
3985 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3987 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3989 * df.h (struct web_entry): Moved from web.c.
3990 (union_defs): Declaration as extern.
3991 (unionfind_root): Likewise.
3992 (unionfind_union): Likewise.
3993 * web.c (struct web_entry): Moved to df.h.
3994 (unionfind_root): Remove static declaration.
3995 (unionfind_union): Likewise.
3996 (union_defs): Likewise and generalize to use callback function.
3997 (web_main): Update arguments for union_defs function call.
3999 2006-05-04 Richard Guenther <rguenther@suse.de>
4001 PR tree-optimization/26447
4002 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4003 produce SSA_NAME copies before the store stmt to avoid
4004 breaking exception handling.
4006 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4009 * gimplify.c (omp_is_private): If var is shared in some outer context,
4010 return false instead of true. Stop searching on parallel context
4013 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4016 * coverage.c: Use get_gcov_unsigned_t() instead of
4017 unsigned_type_node all over.
4019 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4021 PR tree-optimization/27381
4022 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4023 maintain the same immediate_use links.
4024 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4025 node rather than segfaulting.
4027 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4030 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4031 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4032 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4034 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4036 Fix PR tree-optimization/26626
4037 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4039 * tree-ssa-operands.c (access_can_touch_variable): Allow
4040 typecasting through union pointers.
4042 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4045 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4046 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4047 to find if var will be a global variable even in the nested context.
4048 (omp_copy_decl): Only check for global variable at the end, it might
4049 be overridden in outer contexts.
4050 (scan_sharing_clauses): For global variables don't create a field.
4051 (lower_rec_input_clauses): Do nothing for global shared variables.
4052 Emit a barrier at the end of ILIST if there were any decls in both
4053 firstprivate and lastprivate clauses.
4054 (lower_send_clauses): Do nothing for global variables except for
4057 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4059 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4060 of the correct signedness is returned.
4062 2006-05-02 Jeff Law <law@redhat.com>
4064 PR tree-optimization/27364
4065 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4066 multiply expressions.
4068 2006-05-02 Tom Tromey <tromey@redhat.com>
4070 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4072 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4075 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4076 -mthumb -fPIC are used.
4078 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4079 Joshua Kinard <kumba@gentoo.org>
4082 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4083 with 64-bit pointers.
4085 2006-05-02 Paul Brook <paul@codesourcery.com>
4087 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4089 (create_fix_barrier): Check that a suitable barrier location is
4091 (arm_reorg): Include ftmp->address in allowable range of addresses.
4093 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4096 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4099 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4102 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4103 around RESULT_DECL for result passed by reference.
4104 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4105 * omp-low.c (use_pointer_for_field): Don't look at
4106 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4107 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4108 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4109 time or var for passing by reference for
4110 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4111 TREE_ADDRESSABLE variables when passing by reference.
4113 * omp-low.c (dump_omp_region): Fix output formatting.
4116 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4117 (expand_omp_parallel): Likewise.
4118 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4121 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4122 on statement list containing also constructors and destructors.
4123 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4126 * except.c (duplicate_eh_regions): Fix clearing of
4127 cfun->eh->region_array entries.
4129 2006-05-01 DJ Delorie <dj@redhat.com>
4131 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4133 (gcc_cv_objdump): Likewise.
4134 * configure: Regenerated.
4136 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4139 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4140 templates for case 3 and 4.
4142 2006-05-01 DJ Delorie <dj@redhat.com>
4144 * vec.c: Include bconfig.h when appropriate.
4145 * Makefile.in (build/vec.o): Adjust dependencies.
4146 * mkconfig.sh: Make sure config.h isn't used for build machine
4149 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4151 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4153 (mark_phi_for_rewrite): New function.
4154 (insert_phi_nodes_for, mark_use_interesting): Call
4155 mark_phi_for_rewrite.
4156 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4157 (update_ssa): Initialize and free phis_to_rewrite.
4159 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4161 PR rtl-optimization/27291
4162 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4163 folded to a constant.
4165 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4167 PR tree-optimization/27283
4168 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4169 not whole # of iteration descriptions.
4170 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4171 uses abnormal ssa name.
4172 (niter_for_single_dom_exit): Ditto.
4173 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4174 return just the number of iterations.
4176 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4178 PR tree-optimization/27144
4179 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4180 (record_estimate): Only record constant upper bound.
4181 (infer_loop_bounds_from_undefined): Call
4182 compute_estimated_nb_iterations just once.
4183 (proved_non_wrapping_p): Renamed to ...
4184 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4185 (convert_step_widening, scev_probably_wraps_p): Call
4186 n_of_executions_at_most instead of proved_non_wrapping_p.
4187 (substitute_in_loop_info): Do not replace values in bounds.
4188 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4191 2006-05-01 Richard Henderson <rth@redhat.com>
4194 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4195 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4198 2006-05-01 Roger Sayle <roger@eyesopen.com>
4200 * c-typeck.c (parser_build_binary_op): Don't call the function
4201 unsigned_conversion_warning to spot operand/result type overflow.
4202 (build_binary_op): Instead, call convert_and_check instead of
4203 convert to report the problem when the operands are promoted.
4204 * c-common.c (unsigned_conversion_warning): Make static.
4205 * c-common.h (unsigned_conversion_warning): Delete prototype.
4207 2006-05-01 Richard Guenther <rguenther@suse.de>
4209 PR tree-optimization/26726
4210 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4212 (find_interesting_uses_address): ... we work around here
4213 by folding INDIRECT_REFs in the substituted base.
4215 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4217 * omp-low.c (dump_omp_region): Add newlines.
4219 2006-04-30 Roger Sayle <roger@eyesopen.com>
4221 * common.opt (Woverflow): New command line option.
4222 * c-common.c (constant_expression_warning): Check warn_overflow.
4223 (overflow_waring): Pass OPT_Woverflow to warning.
4224 (unsigned_conversion_warning): Likewise.
4225 (convert_and_check): Likewise.
4226 * doc/invoke.texi: Document new command line option.
4228 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4230 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4231 TARGET_NO_FP_IN_TOC for section anchors.
4232 (optimization_options): Enable section anchors for all
4233 non-"Objective" languages.
4235 2006-04-28 Eric Christopher <echristo@apple.com>
4237 * config/darwin-c.c (darwin_ms_struct): Move this
4238 (darwin_set_default_type_attributes): and this...
4239 * config/darwin.c: ... here.
4240 * config/darwin.h (darwin_ms_struct): Declare.
4242 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4244 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4246 2006-04-28 Roger Sayle <roger@eyesopen.com>
4249 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4250 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4251 an unsigned HOST_WIDE_INT.
4252 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4254 (really_start_incremental_init): No need to call convert because
4255 bitsize_zero_node is already of type bitsizetype.
4256 (push_init_level): Extract the value of constructor_index as an
4257 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4258 (process_init_element): Likewise.
4260 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4262 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4263 value before passing to make_relative_prefix.
4265 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4268 * builtins.c (expand_builtin_memset): Expand val in original mode.
4270 2006-04-27 Eric Christopher <echristo@apple.com>
4272 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4273 with #ifndef/#endif.
4274 * config/darwin-c.c (darwin_ms_struct): New.
4275 (darwin_pragma_ms_struct): Ditto.
4276 (darwin_set_default_type_attributes): Ditto.
4277 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4278 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4279 Register ms_struct pragma.
4280 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4281 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4282 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4283 darwin_set_default_type_attributes if TARGET_MACHO.
4285 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4287 PR tree-optimization/26854
4288 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4289 * doc/tree-ssa.texi: Update immuse iterator documentation.
4290 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4291 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4292 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4293 first_safe_imm_use, next_safe_imm_use): Remove.
4294 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4295 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4296 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4297 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4298 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4299 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4300 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4301 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4302 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4303 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4304 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4305 (perfect_nestify): Use new iterator.
4306 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4308 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4309 (next_imm_name): New field in struct immediate_use_iterator_d.
4310 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4311 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4312 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4313 * tree-cfg.c (replace_uses_by): Use new iterator.
4314 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4315 * tree-ssa-operands.c (correct_use_link): Remove.
4316 (finalize_ssa_use_ops): No longer call correct_use_link.
4318 2006-04-27 Stuart Hastings <stuart@apple.com>
4320 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4321 * config/t-darwin (crt3.o): Use it.
4322 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4323 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4324 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4325 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4326 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4329 2006-04-27 Roger Sayle <roger@eyesopen.com>
4331 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4332 size, force the intermediate into a new pseudo rather instead of
4333 performing both a bitwise AND and a bitwise IOR in memory.
4335 2006-04-27 Richard Guenther <rguenther@suse.de>
4337 PR rtl-optimization/26685
4338 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4339 this one "max-flow-memory-locations".
4341 2006-04-27 Richard Guenther <rguenther@suse.de>
4343 PR tree-optimization/25148
4344 * tree-vrp.c (compare_values): Remove code dealing with
4345 comparisons against type min/max value. Honour overflow
4346 and negative constants in code dealing with comparisons
4347 of plus and minus expressions.
4348 (value_inside_range): Use fold_binary with LE_EXPR and
4349 GE_EXPR rather than compare_values.
4351 2006-04-27 Dirk Mueller <dmueller@suse.de>
4353 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4356 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4358 * basic-block.h (safe_insert_insn_on_edge): Removed.
4359 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4361 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4362 Paolo Bonzini <bonzini@gnu.org>
4365 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4366 (simplify_and_const_int): Same.
4368 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4370 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4372 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4375 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4376 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4377 cgraph_global_info_ready.
4380 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4383 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4384 either decl or init is error_mark_node.
4387 * tree-flow.h (struct omp_region): Add sched_kind.
4388 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4389 instead of extracting omp for data.
4390 (expand_omp_for): Save extracted sched_kind.
4392 2006-04-25 Roger Sayle <roger@eyesopen.com>
4394 * expmed.c (store_bit_field): Also check whether the bitsize is
4395 valid for the machine's "insv" instruction before moving the
4396 target into a pseudo for use with the insv.
4397 * config/i386/predicates.md (const8_operand): New predicate.
4398 * config/i386/i386.md (extv, extzv, insv): Use the new
4399 const8_operand predicate where appropriate.
4401 2006-04-25 DJ Delorie <dj@redhat.com>
4403 * doc/install.texi (Specific): Clarify that this is not a list of
4404 supported hosts or targets.
4406 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4408 PR rtl-optimization/26725
4409 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4410 block's BB_DIRTY flag.
4412 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4414 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4417 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4418 to print an integer.
4420 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4422 * varasm.c (align_variable): New function.
4423 (get_block_for_decl): Apply align_variable to DECL before
4424 calculating section information.
4425 (assemble_variable): Split out alignment computation.
4427 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4429 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4432 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4434 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4435 MODE_PARTIAL_INT mode.
4436 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4437 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4439 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4440 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4442 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4444 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4446 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4447 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4448 MACFLAG_IH): Likewise.
4449 (movstricthi_1): Renamed from "*movstricthi".
4450 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4451 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4452 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4453 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4454 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4455 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4456 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4457 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4458 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4459 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4460 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4461 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4462 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4463 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4464 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4466 * doc/rtl.texi (ss_ashift): Improve wording.
4468 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4470 * dwarf2out.c (verify_marks_clear): New.
4471 (prune_unused_types): Call verify_marks_clear initially, not
4474 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4476 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4477 * doc/rtl.texi: Document them.
4478 * simplify-rtx.c (simplify_unary_operation,
4479 simplify_binary_operation_1): Don't abort when we see them.
4481 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4484 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4485 * configure.ac: Completely disregard languages that are not
4487 * configure: Regenerated.
4489 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4490 Richard Guenther <rguenther@suse.de>
4492 PR tree-optimization/27236
4493 * tree-inline.c (copy_body_r): Make sure to copy
4494 TREE_THIS_VOLATILE flag.
4496 2006-04-24 Richard Guenther <rguenther@suse.de>
4499 * tree-complex.c (update_parameter_components): Don't handle
4500 unused parameters which have no default def.
4502 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4503 Richard Guenther <rguenther@suse.de>
4505 PR tree-optimization/27218
4506 * tree-inline.c (expand_call_inline): Strip useless type
4507 conversions for the return slot address.
4509 2006-04-24 Richard Guenther <rguenther@suse.de>
4511 * cfgloop.h (struct loops): Remove unused field array. Reorder
4513 (LOOP_PREFETCH): Remove.
4515 2006-04-24 Richard Guenther <rguenther@suse.de>
4517 PR tree-optimization/22525
4518 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4519 variable, adjust types of generated expressions.
4521 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4523 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4524 (tree-vect-patterns.o): Likewise.
4526 (cselib.o): Likewise.
4527 (loop-doloop.o): Likewise.
4528 (regclass.o): Likewise.
4529 (reload1.o): Likewise.
4530 (explow.o): Replace target.h with $(TARGET_H).
4531 (ipa-prop.o): Likewise.
4532 (ipa-cp.o): Likewise.
4533 (ipa-inline.o): Likewise.
4534 (reorg.o): Likewise.
4535 (reg-stack.o): Likewise.
4537 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4539 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4541 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4543 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4545 * configure.ac: Completely disregard languages that are not
4547 * configure: Regenerated.
4550 * c-common.h (c_build_bitfield_integer_type): Declare.
4551 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4552 * c-common.c (c_build_bitfield_integer_type): ... here.
4554 2006-04-23 Roger Sayle <roger@eyesopen.com>
4557 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4558 a SImode SUBREG of a floating point register after no_new_pseudos.
4560 2006-04-23 Roger Sayle <roger@eyesopen.com>
4562 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4563 identify potentially eliminable registers to additionally catch
4564 VIRTUAL_INCOMING_ARGS_REGNUM.
4565 (addsi3): Update the conditions on when to use addsi_small_int.
4567 2006-04-23 Roger Sayle <roger@eyesopen.com>
4570 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4571 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4572 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4574 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4576 * fold-const.c (range_predecessor): Use operand_equal_p
4577 as the predicate for equality.
4578 (range_successor): Likewise.
4580 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4583 * config/soft-fp/op-common.h: Fix a typo.
4585 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4588 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4589 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4591 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4593 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4595 * doc/tm.texi: Fix a typo.
4597 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4599 * dwarf2out.c (struct die_struct): Document that die_sib makes
4600 a circular linked list.
4601 (FOR_EACH_CHILD): New.
4602 (reverse_die_lists): Delete.
4603 (reverse_all_dies): Delete.
4604 (add_dwarf_attr): Correct documentation.
4605 (remove_child_with_prev): New.
4606 (remove_child_TAG): Update for change to die_struct, use
4607 remove_child_with_prev.
4608 (add_child_die): Update for change to die_struct.
4609 (splice_child_die): Use remove_child_with_prev and add_child_die.
4610 (print_die): Use FOR_EACH_CHILD.
4611 (die_checksum): Likewise.
4612 (assign_symbol_names): Likewise.
4613 (output_location_lists): Likewise.
4614 (build_abbrev_table): Likewise.
4615 (calc_die_sizes): Likewise.
4616 (mark_dies): Likewise.
4617 (unmark_dies): Likewise.
4618 (unmark_all_dies): Likewise.
4619 (output_die): Likewise.
4620 (prune_unused_types_mark): Likewise.
4621 (prune_unused_types_walk): Likewise.
4622 (same_die_p): Update for change to die_struct.
4623 (break_out_includes): Likewise.
4624 (prune_unused_types_prune): Likewise.
4625 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4626 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4628 (dwarf2out_finish): Don't call reverse_all_dies.
4630 2006-04-21 Eric Christopher <echristo@apple.com>
4632 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4633 in comments and function names.
4635 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4638 * c-typeck.c (digest_init): Robustify.
4640 * c-typeck.c (pop_init_level): Simplify.
4642 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4644 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4646 2006-04-21 Paul Brook <paul@codesourcery.com>
4648 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4649 hardware floating point.
4651 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4653 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4656 2006-04-21 Nick Clifton <nickc@redhat.com>
4658 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4661 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4664 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4665 C++ lang type in traceback table for Objective-C++.
4667 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4669 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4671 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4673 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4676 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4677 were errors. Remove check for erroneous objects.
4679 2006-04-20 Jeff Law <law@redhat.com>
4681 PR tree-optimization/26854
4682 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4683 checking for zero or one use.
4684 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4685 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4686 * tree-ssa-reassoc.c (negate_value): Similarly.
4687 (reassociate_bb): Similarly.
4689 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4691 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4692 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4693 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4695 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4697 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4698 fp regs if the last fp arg doesn't fit in regs.
4700 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4703 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4704 that the last insn has the REG_INC note.
4706 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4707 Nathan Sidwell <nathan@codesourcery.com>
4710 * stor-layout.c (update_alignment_for_field): Do not align
4712 (place_union_field): Place union field at the start of the union.
4713 (place_field): Move ERROR_MARK check later, and use the current
4714 allocation position to maintain monotonicity.
4716 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4718 * dominance.c: Include timevar.h.
4719 (calculate_dominance_info): Use TV_DOMINANCE.
4720 * timevar.def (TV_DOMINANCE): New timevar.
4721 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4723 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4725 PR rtl-optimization/14261
4726 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4727 move would be an INSV insn.
4728 (noce_process_if_block): Don't optimize if the destination is a
4729 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4731 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4733 * config/s390/s390.md: Add comments with the instructions emitted
4734 by an insn pattern if macros are used.
4736 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4738 PR rtl-optimization/26026
4739 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4740 is a known power of two shifted left a variable amount.
4742 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4744 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4745 to hash table twice when the debug_str section has SECTION_MERGE.
4747 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4749 * config/soft-fp: New directory. From glibc.
4750 * config/soft-fp/t-softfp: New.
4751 * config/soft-fp/README: New.
4752 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4753 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4754 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4755 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4756 * config.gcc: Use rs6000/t-fprules-fpbit or
4757 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4759 * config/rs6000/sfp-machine.h: New. Based on glibc.
4760 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4762 * config/rs6000/t-fprules: Remove fp-bit rules.
4763 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4764 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4765 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4766 (softfp_wrap_start, softfp_wrap_end): New.
4768 2006-04-18 DJ Delorie <dj@redhat.com>
4770 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4772 2006-04-18 Devang Patel <dpatel@apple.com>
4774 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4776 2006-04-18 Nick Clifton <nickc@redhat.com>
4778 * config/sh/t-symbian: Add rule to build sh-c.o
4779 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4780 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4781 (sh_symbian_encode_section_info): Likewise.
4783 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4785 * builtins.c (expand_builtin_strcmp): Cover label definition of
4786 do_libcall with HAVE_cmpstrnsi.
4788 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4790 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4792 * function.h (temp_slot_p): New.
4793 (function): Change the type of x_used_temp_slots to
4794 VEC(temp_slot_p,gc) *.
4796 2006-04-18 Nick Clifton <nickc@redhat.com>
4798 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4799 flag_strength_reduce.
4801 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4803 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4807 Partial revert of revision 112637
4808 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4809 Dale Johannesen <dalej@apple.com>
4812 * regclass.c (struct reg_pref): Update documentation.
4813 (regclass): Set prefclass to NO_REGS if memory is the best option.
4814 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4816 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4818 PR tree-optimization/26821
4819 * tree-ssa-math-opts.c (get_constant_one): New.
4820 (insert_reciprocals): Use it.
4822 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4824 * dwarf2out.c (free_AT): Delete.
4825 (remove_AT): Update string ref counts.
4826 (remove_child_TAG): Don't call free_die.
4828 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4829 or DW_TAG_GNU_EINCL.
4830 (prune_unused_types_walk_attribs): Reset string refcounts.
4831 (prune_unused_types_update_strings): New.
4832 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4833 call free_die. Do call prune_unused_types_update_strings.
4834 (prune_unused_types): Empty debug_str_hash.
4836 2006-04-17 Roger Sayle <roger@eyesopen.com>
4838 * expr.c (expand_assignment): Optimize away no-op moves where the
4839 source and destination are equal and have no side-effects.
4841 2006-04-17 Richard Guenther <rguenther@suse.de>
4844 * reload.c (push_reload): Guard calls to get_secondary_mem
4847 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4849 * alias.c (reg_base_value, old_reg_base_value): Change the
4850 type to VEC(rtx,gc) *.
4851 (REG_BASE_VALUE, find_base_value, record_set,
4852 init_alias_analysis): Use VEC instead of VARRAY.
4854 * alias.c (alias_sets): Change the type to
4855 VEC(alias_set_entry,gc) *.
4856 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4857 VEC instead of VARRAY.
4858 (last_alias_set): Remove.
4860 * cgraph.h (cgraph_edge_p): New.
4861 Update the prototype of cgraph_function_versioning.
4862 * cgraphunit.c (cgraph_copy_node_for_versioning,
4863 cgraph_function_versioning): Use VEC instead of VARRAY.
4864 * ipa-cp.c (ipcp_insert_stage): Likewise.
4866 2006-04-16 Roger Sayle <roger@eyesopen.com>
4869 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4870 "A op B" or "A op C", we may need to convert A to the type of B and C.
4872 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4874 * target.h (struct gcc_target): Add mode_rep_extended.
4875 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4876 (init_num_sign_bit_copies_in_rep): Initialize it using
4878 (truncate_to_mode): Use it.
4879 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4880 * targhooks.h (default_mode_rep_extended): Declare it.
4881 * targhooks.c (default_mode_rep_extended): Define it.
4882 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4883 default_mode_rep_extended.
4884 (TARGET_INITIALIZER): Include it.
4885 * doc/tm.texi (Misc): Document it.
4886 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4887 (mips_truncated_to_mode): New function.
4889 2006-04-16 Roger Sayle <roger@eyesopen.com>
4892 * expr.c (compress_float_constant): Copy the narrow constant into
4893 a new pseudo before extending it to its final width.
4895 2006-04-16 Roger Sayle <roger@eyesopen.com>
4896 Andrew Pinski <pinskia@gcc.gnu.org>
4897 Dale Johannesen <dalej@apple.com>
4900 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4901 special case code to implement V8HImode and V16QImode with SSE2.
4903 2006-04-15 Roger Sayle <roger@eyesopen.com>
4905 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4906 trees are constructed with a suitable tree type.
4908 2006-04-15 Roger Sayle <roger@eyesopen.com>
4910 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4911 (integer_onep): Likewise.
4912 (integer_all_onesp): Likewise.
4913 (integer_pow2p): Likewise.
4914 (integer_nonzerop): Likewise.
4915 (real_zerop): Likewise.
4916 (real_onep): Likewise.
4917 (real_twop): Likewise.
4918 (real_minus_onep): Likewise.
4919 (int_size_in_bytes): Likewise.
4920 (host_integerp): Likewise.
4922 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4924 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4925 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4926 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4928 * tree-ssa-structalias.h (alias_info): Remove num_references.
4930 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4932 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4933 (output_bvb patterns): Likewise.
4934 * pa.c (output_bb): Use 'bb' insn for long branch case.
4935 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4936 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4937 1. Correct length operand for alternatives 1 and 2.
4938 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4939 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4941 2006-04-14 Roger Sayle <roger@eyesopen.com>
4943 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4944 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4945 were accidentally reverted by r112959.
4947 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4950 * except.h (eh_region_outermost): New prototype.
4951 * except.c (eh_region_outermost): New function.
4952 * tree-cfg.c (find_outermost_region_in_block): Use it.
4954 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4956 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4958 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4959 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4960 (init_reload, reload): Use VEC instead of VARRAY.
4961 * reload.h: Update the prototype for
4962 reg_equiv_memory_loc_varray.
4964 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4965 Eric Botcazou <ebotcazou@libertysurf.fr>
4967 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4970 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4973 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4974 to expand fallback builtin function call.
4976 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4979 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4980 and emit libcall here in case the builtin fails.
4981 (expand_builtin_strcmp): Always emit the libcall here on failure.
4983 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4985 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4986 * flow.c (reg_n_info): Change the type to
4987 VEC(reg_info_p,heap) *.
4988 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4990 * regs.h (reg_info_p): New.
4991 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4992 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4993 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4996 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4998 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5000 * params.h (MAX_SCHED_READY_INSNS): New macro.
5001 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5002 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5003 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5004 the ready list for 1 cycle during the first scheduling pass.
5005 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5007 2006-04-13 Richard Henderson <rth@redhat.com>
5010 * gimple-low.c (lower_omp_directive): Remove dead code.
5011 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5012 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5013 * omp-low.c (struct omp_region): Move to tree-flow.h.
5014 (root_omp_region): Export.
5015 (omp_regions, lookup_omp_region): Remove.
5016 (determine_parallel_type): Update for struct omp_region changes.
5017 (dump_omp_region): Dump regions with block numbers.
5018 (new_omp_region): Take type and block instead of stmt; malloc
5020 (free_omp_region_1, free_omp_regions): New.
5021 (expand_parallel_call): Take entry_stmt as argument; update for
5022 changes to omp_region.
5023 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5024 (remove_exit_barriers): New.
5025 (expand_omp_parallel): Update for struct omp_region changes.
5026 (expand_omp_synch): Likewise.
5027 (expand_omp): Likewise.
5028 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5029 (expand_omp_for_static_chunk): Likewise.
5030 (expand_omp_for): Likewise.
5031 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5032 (expand_omp_sections): Similarly, with GOMP_sections_end.
5033 (expand_omp_single): New.
5034 (build_omp_regions_1): Update for OMP_CONTINUE.
5035 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5036 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5037 OMP_SECTIONS_SECTIONS.
5038 (lower_omp_single_simple): Don't emit barrier here.
5039 (lower_omp_single_copy): Likewise.
5040 (lower_omp_single): Fix bindings, and lower to straightline now.
5041 (lower_omp_master, lower_omp_ordered): Likewise.
5042 (lower_omp_critical): Likewise.
5043 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5044 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5045 omp edges, free it afterward.
5046 (make_omp_sections_edges): Remove.
5047 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5048 (move_stmt_r): Handle OMP_CONTINUE.
5049 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5050 statement pointers to basic blocks. Add type member.
5051 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5052 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5053 * tree-inline.c (estimate_num_insns_1): Likewise.
5054 * tree-pretty-print.c (dump_generic_node): Likewise.
5055 * tree-ssa-operands.c (get_expr_operands): Likewise.
5056 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5057 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5058 (OMP_CONTINUE): New.
5059 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5060 (OMP_SECTIONS_SECTIONS): Remove.
5061 (OMP_SECTION_LAST): New.
5062 (OMP_RETURN_NOWAIT): New.
5064 2006-04-13 Roger Sayle <roger@eyesopen.com>
5066 * fold-const.c (native_encode_vector, native_interpret_real):
5067 Correct obvious mistakes in the previous check-in.
5069 2006-04-13 Roger Sayle <roger@eyesopen.com>
5071 * fold-const.c (native_encode_expr): New function to encode
5072 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5073 or VECTOR_CST into a specified buffer.
5074 (native_encode_int): New function.
5075 (native_encode_real): New function.
5076 (native_encode_complex): New function.
5077 (native_encode_vector): New function.
5078 (native_interpret_expr): Inverse of native_encode_expr to convert
5079 a target representation into an INTEGER_CST, REAL_CST etc...
5080 (native_interpret_int): New function.
5081 (native_interpret_real): New function.
5082 (native_interpret_complex): New function.
5083 (native_interpret_vector): New function.
5084 (fold_view_convert_expr): New function to constant fold/evaluate
5085 a VIEW_CONVERT_EXPR of a suitable constant expression.
5086 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5087 Change call of build1 to fold_build1 when constructing a
5090 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5091 Ulrich Weigand <uweigand@de.ibm.com>
5094 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5097 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5100 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5101 optimize to lo_sum for DFmode if !TARGET_FPRS.
5103 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5105 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5106 delete_alias_info, compute_flow_sensitive_aliasing,
5107 group_aliases): Use VEC instead of VARRAY.
5108 * tree-ssa-structalias.c (update_alias_info): Likewise.
5109 * tree-ssa-structalias.h (alias_info): Change the type of
5110 processed_ptrs to VEC(tree,heap) *.
5112 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5115 * config/sh/lib1funcs.h: New file, broken out of:
5116 * config/sh/lib1funcs.asm.
5117 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5119 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5120 * config/sh/lib1funcs-Os-4-200.asm: New file.
5121 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5122 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5123 (EXTRA_MULTILIB_PARTS): Include it.
5124 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5125 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5126 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5127 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5130 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5132 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5133 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5134 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5136 * tree-ssa-live.h: Include vecprim.h.
5137 (tree_partition_associator_d): Change the type of
5138 first_partition to VEC(int,heap) *.
5139 (tpa_first_partition): Use VEC instead of VARRAY.
5141 * Makefile.in (GTFILES): Move functions.h after tree.h.
5142 * function.c (reset_block_changes, record_block_change,
5143 check_block_change, free_block_changes): Use VEC instead of
5145 * function.h (function): Change the type of
5146 ib_boundaries_block to VEC(tree,gc) *.
5147 * tree-inline.c (copy_cfg_body): Initialize
5148 ib_boundaries_block to NULL instead of (varray_type) 0.
5150 2006-04-12 Roger Sayle <roger@eyesopen.com>
5152 * expr.c (emit_group_store): Correct operand order in call to
5153 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5154 a SUBREG_BYTE of zero.
5156 2006-04-12 Richard Guenther <rguenther@suse.de>
5158 * profile.c (compute_branch_probabilities): Remove code
5159 encapsulated in !ir_type (), which are remanents of the
5160 removed RTL profiling code.
5161 * rtl-profile.c: Remove.
5163 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5165 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5166 magic NULL_RTX comment.
5167 (function_arg): Store entire fp arg to mem if any part should go
5169 (rs6000_arg_partial_bytes): Adjust for above change.
5171 2006-04-11 Roger Sayle <roger@eyesopen.com>
5173 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5174 if it hasn't been initialized by dwarf2out_init.
5176 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5178 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5179 symbolic constants in branch patterns.
5181 2006-04-11 Roger Sayle <roger@eyesopen.com>
5183 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5185 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5187 PR rtl-optimization/27073
5188 * gcse.c (try_replace_reg): Revert last change. Continue to search
5189 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5192 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5194 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5195 aggregate types other than record and union types.
5196 (function_arg): Likewise.
5197 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5199 (function_value): In 64-bit mode, return objects that require it
5202 2006-04-11 Roger Sayle <roger@eyesopen.com>
5204 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5206 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5208 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5210 2006-04-03 Jeff Law <law@redhat.com>
5213 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5214 alias information too.
5216 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5218 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5220 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5223 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5224 (premark_used_types_helper): New.
5225 (premark_used_types): New.
5226 (gen_subprogram_die): Call premark_used_types.
5227 (prune_unused_types_walk): Do not prune perennial dies.
5228 * function.c (used_types_insert): New.
5229 * function.h (struct function): Add used_types_hash field.
5230 (used_types_insert): Add prototype.
5231 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5232 * c-parser.c (c_parser_cast_expression): Save casted types in used
5235 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5238 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5239 rs6000_explicit_options.float_gprs.
5241 2006-04-10 Roger Sayle <roger@eyesopen.com>
5243 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5244 from ix86_expand_vector_init_low_nonzero. Take an additional
5245 one_var argument indicating which element is non-zero. Support
5246 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5247 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5248 with one_var instead of ix86_expand_vector_init_low_nonzero.
5250 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5252 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5253 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5254 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5255 build/genextract.o): Depend on vecprim.h.
5256 * cfglayout.c, df-problems.c, function.c, genextract.c,
5257 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5258 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5262 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5264 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5265 Declare VECs of this type.
5266 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5267 (remove_children): Delete.
5268 (add_dwarf_attr): Use VEC routines.
5269 (add_AT_flag): Update for changes to add_dwarf_attr.
5270 (add_AT_int): Likewise.
5271 (add_AT_unsigned): Likewise.
5272 (add_AT_long_long): Likewise.
5273 (add_AT_vec): Likewise.
5274 (add_AT_string): Likewise.
5275 (add_AT_die_ref): Likewise.
5276 (add_AT_fde_ref): Likewise.
5277 (add_AT_loc): Likewise.
5278 (add_AT_loc_list): Likewise.
5279 (add_AT_addr): Likewise.
5280 (add_AT_lbl_id): Likewise.
5281 (add_AT_lineptr): Likewise.
5282 (add_AT_macptr): Likewise.
5283 (add_AT_offset): Likewise.
5284 (add_AT_range_list): Likewise.
5285 (get_AT): Use VEC_iterate.
5286 (remove_AT): Use VEC_ordered_remove.
5287 (free_die): Fold remove_children into here; have it use VEC_iterate.
5288 (print_die): Use VEC_iterate on attrs.
5289 (reverse_die_lists): Don't reverse attr lists.
5290 (die_checksum): Use VEC_iterate on attrs.
5291 (same_die_p): Likewise.
5292 (output_location_lists): Likewise.
5293 (build_abbrev_table): Likewise.
5294 (size_of_die): Likewise.
5295 (unmark_all_dies): Likewise.
5296 (output_abbrev_section): Likewise.
5297 (output_die): Likewise.
5298 (prune_unused_types_walk_attribs): Likewise.
5300 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5302 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5304 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5307 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5309 2006-04-09 Roger Sayle <roger@eyesopen.com>
5311 * expr.c (store_constructor): Don't bother clearing target if
5312 we're about to assign a vector to it using vec_init_optab.
5314 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5316 * tree-ssa-alias.c (lhs_may_store_to): New function.
5317 (recalculate_used_alone): Handle LHS of calls.
5319 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5323 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5324 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5325 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5326 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5327 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5328 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5329 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5330 stubs. Add ".align 8" directives before all ".dword" directives.
5331 (GTHREAD_USE_WEAK): Revise comment.
5332 (TARGET_ATTRIBUTE_WEAK): Define.
5333 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5334 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5335 * stublib.c: New file.
5340 * pa.md (cbranch patterns): Revise arguments used in calls to
5341 output_cbranch, output_bb and output_bvd. Add long branch length
5343 (fbranch patterns): Handle long branches.
5344 (jump): Revise length check. Revise arguments for output_lbranch call.
5345 Add long branch length attributes.
5346 (decrement_and_branch_until_zero): Add long branch length attributes.
5347 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5348 Likewise. Revise arguments for output_parallel_addb and
5349 output_parallel_movb calls.
5350 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5351 output_parallel_movb and output_parallel_addb): Update prototypes.
5352 * pa.c (output_cbranch): Revise arguments. Correct handling of
5353 nullification in long branches.
5354 (output_lbranch): Add new argument to control extraction of delay
5356 (output_bb): Handle long branches.
5357 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5358 output_parallel_addb): Likewise.
5360 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5362 PR rtl-optimization/27073
5363 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5366 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5368 * tree.h (tree_memory_tag): Add old_used_alone.
5369 (SMT_OLD_USED_ALONE): New macro.
5370 * tree-ssa-alias.c (recalculate_used_alone): Stop
5371 marking things for renaming unnecessarily.
5373 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5375 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5376 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5377 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5378 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5379 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5380 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5381 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5382 spelling convensions.
5383 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5384 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5385 typos. Follow spelling conventions.
5387 2006-04-07 DJ Delorie <dj@redhat.com>
5389 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5390 passed on the stack.
5391 (m32c_init_cumulative_args): When a function returns a structure,
5392 always pass the pointer to that return area on the stack.
5393 (m32c_function_arg_advance): Don't increment the parameter number
5394 if we're processing the returned structure pointer.
5395 (pushm_info): Reverse order of registers.
5397 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5399 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5400 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5401 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5402 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5404 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5405 chrec_fold_multiply): Same.
5406 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5407 force_expr_to_var_cost): Same.
5408 * tree-mudflap.c (mf_xform_derefs_1): Same.
5409 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5411 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5413 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5414 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5417 2006-04-07 Jan Hubicka <jh@suse.cz>
5419 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5421 2006-04-07 Richard Guenther <rguenther@suse.de>
5423 PR tree-optimization/26135
5424 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5425 loads for store copy-prop.
5426 (copy_prop_visit_stmt): Likewise.
5428 2006-04-05 Robert Millan <robertmh@gnu.org>
5430 * config/i386/linux.h: Add a comment to mark macros that are
5431 being overriden in config/k*bsd-gnu.h.
5432 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5434 * config/knetbsd-gnu.h: Ditto.
5436 2006-04-06 Jan Hubicka <jh@suse.cz>
5440 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5443 2006-04-06 Mike Stump <mrs@apple.com>
5445 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5446 for HAVE_nonlocal_goto to be consistent.
5447 (expand_builtin_nonlocal_goto): Likewise.
5448 (expand_builtin_strcmp): Use #ifdef instead of #if
5449 for HAVE_cmpstrnsi to be consistent.
5451 2006-04-05 DJ Delorie <dj@redhat.com>
5453 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5456 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5458 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5459 got-relative addressing for anything but SImode.
5461 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5462 even if the calling function doesn't modify them.
5464 2006-04-05 Richard Guenther <rguenther@suse.de>
5466 PR tree-optimization/26919
5467 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5468 to cgraph_estimate_size_after_inlining.
5470 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5472 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5474 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5476 PR tree-optimization/26996
5477 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5478 VECTOR_TYPE variables.
5480 2006-04-05 Richard Guenther <rguenther@suse.de>
5482 PR tree-optimization/26763
5483 * fold-const.c (fold_comparison): Move folding of
5484 PTR + CST CMP PTR + CST ...
5485 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5487 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5489 * doc/install.texi (Prerequisites): Refine some wording on
5490 bootstrapping and ksh.
5491 Move the version numbers of DejaGnu here from the testing section
5492 and fix casing of names.
5493 Fix markup and clarify wording for autogen requirements.
5494 Refer to GCJ instead of just java.
5495 Refer to SVN instead of CVS.
5496 Describe diffutils as useful instead of necessary.
5497 (Downloading the source): Refer to SVN instead of CVS.
5498 Adjust a link to our web site accordingly.
5499 (Configuration): Fix casing of Bison.
5500 (Building): Refer to SVN instead of CVS.
5501 Fix a sentence on the use of Bison and remove duplicate (and
5502 incorrect) version number of Bison requirement.
5503 Remove one redundant list of packages needed for building.
5504 (Specific): Avoid reference to CVS.
5506 2006-04-04 Eric Christopher <echristo@apple.com>
5508 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5509 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5510 (rs6000_handle_struct_attribute): New.
5511 (rs6000_ms_bitfield_layout_p): Ditto.
5513 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5515 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5516 NULL for dso parameter to atexit_common.
5518 2006-04-04 Eric Christopher <echristo@apple.com>
5520 * config/i386/i386.c (machopic_output_stub): Output \t
5521 between instructions and operands.
5523 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5525 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5526 satisfies_constraint_[IL] to explicit tests on value.
5528 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5530 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5531 set_nb_iterations_in_loop): Use build_int_cst instead of
5533 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5534 build_int_cst instead of convert.
5536 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5538 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5539 new value 2 for incoming.
5540 * function.c (expand_function_start): Call struct_value_rtx
5542 * config/sparc/sparc.md: Comment updated_return.
5543 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5544 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5545 struct return if sparc_std_struct_return and incoming is 2.
5546 (print_operand): Do not adjust return if
5547 sparc_std_struct_return.
5549 2006-04-04 Roger Sayle <roger@eyesopen.com>
5551 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5552 convert in the middle-end.
5553 * expr.c (store_expr, store_constructor, get_inner_reference,
5554 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5556 * tree.c (build_range_type): Likewise.
5558 2006-04-04 Tom Tromey <tromey@redhat.com>
5560 * doc/install.texi (Prerequisites): Mention jar.
5562 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5564 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5567 2006-04-04 Matthias Klose <doko@debian.org>
5569 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5570 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5573 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5575 * doc/extend.texi (Function Attributes): Rewrite visibility
5576 attribute documentation.
5577 * doc/invoke.texi (C++ Dialect Options): Rewrite
5578 -fvisibility-inlines-hidden documentation to describe something
5579 entirely different, although in practise compatible.
5580 (Code Gen Options): Warn about system headers in -fvisibility=
5583 * doc/extend.texi (Other Builtins): Document that
5584 __builtin_nan is a compile-time constant only when its argument
5587 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5589 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5590 trying to remove TRUNCATE check if all bits outside the new mode
5591 are identical to the sign bit.
5593 2006-04-03 Jeff Law <law@redhat.com>
5595 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5596 and operand scanning in some common cases.
5598 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5599 Dale Johannesen <dalej@apple.com>
5602 * regclass.c (struct reg_pref): Update documentation.
5603 (regclass): Set prefclass to NO_REGS if memory is the best option.
5604 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5605 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5606 into account. For non-registers, equate an empty preferred
5607 reload class to a `!' in the constraint; move the if clause to
5608 do so after those that reject the insn.
5609 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5611 (find_dummy_reload): Likewise.
5612 * doc/tm.texi (Register Classes): Document what it means
5613 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5614 * config/i386/i386.c (ix86_preferred_reload_class): Force
5615 using SSE registers (and return NO_REGS for floating-point
5616 constants) if math is done with SSE.
5617 (ix86_preferred_output_reload_class): New.
5618 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5619 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5620 * config/i386/i386.md: Remove # register preferences.
5622 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5625 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5626 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5627 the type of nb_iter.
5628 (instantiate_parameters_1): Convert the operands before calling
5629 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5630 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5632 2006-04-02 Roger Sayle <roger@eyesopen.com>
5634 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5635 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5637 * dojump.c (do_jump): Likewise.
5638 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5639 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5640 gimplify_boolean_expr): Likewise.
5641 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5642 * varasm.c (array_size_for_constructor): Likewise.
5643 * tree-object-size.c (compute_object_offset): Likewise.
5645 2006-04-02 Roger Sayle <roger@eyesopen.com>
5648 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5649 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5651 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5653 PR tree-optimization/26939
5654 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5656 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5658 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5659 at_stmt. Convert the type of operands before calling
5660 build_polynomial_chrec.
5661 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5663 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5664 (instantiate_parameters_1): Convert the type of operands before calling
5665 build_polynomial_chrec.
5666 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5667 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5668 reset_evolution_in_loop): Insert asserts to check the types of the
5670 (chrec_type): Moved...
5671 (eq_evolutions_p): Use operand_equal_p.
5672 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5673 the types of the operands.
5674 (chrec_type): ...here.
5675 * tree-data-ref.c (create_data_ref): Convert the operands before
5676 calling chrec_replace_initial_condition.
5677 (same_access_functions, analyze_subscript_affine_affine,
5678 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5679 (compute_subscript_distance, analyze_ziv_subscript,
5680 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5681 analyze_miv_subscript): Convert the operands before calling
5682 chrec_fold_minus or chrec_fold_plus.
5684 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5686 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5687 the dependence_relations vector.
5688 (compute_data_dependences_for_loop): Adjust call to
5689 compute_all_dependences.
5691 2006-04-01 Roger Sayle <roger@eyesopen.com>
5692 Richard Henderson <rth@redhat.com>
5694 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5695 gimple_boolify on the condition before calling gimplify_expr.
5697 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5699 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5700 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5701 the frame size. Update to use the new macros.
5702 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5703 * config/xtensa/ieee754-df.S: Likewise.
5705 2006-03-31 Richard Henderson <rth@redhat.com>
5707 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5708 (make_edges): ... here. Control fallthru creation with a local
5709 variable. Do not play with fake edges.
5710 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5711 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5714 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5716 * dwarf2.h (DW64_CIE_ID): Define.
5717 * dwarf2out.c (DWARF_CIE_ID): Define.
5718 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5719 length header. Use DWARF_CIE_ID.
5720 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5721 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5723 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5725 * config/sh/linux-atomic.asm: New file.
5726 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5728 2006-03-31 DJ Delorie <dj@redhat.com>
5730 * config/m32c/cond.md: Set condition flags properly throughout.
5731 * config/m32c/minmax.md: Likewise.
5732 * config/m32c/prologue.md: Likewise.
5733 * config/m32c/bitops.md: Likewise.
5734 * config/m32c/muldiv.md: Likewise.
5735 * config/m32c/mov.md: Likewise.
5736 * config/m32c/addsub.md: Likewise.
5737 * config/m32c/m32c.md: Likewise.
5738 * config/m32c/jump.md: Likewise.
5739 * config/m32c/shift.md: Likewise.
5741 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5742 conditionally output the pattern for this.
5743 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5744 (m32c_compare_redundant): New.
5745 (m32c_output_compare): New.
5746 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5748 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5749 dest, not src. Allow other 4-byte modes.
5751 2006-03-30 Denis Chertykov <denisc@overta.ru>
5753 * doc/md.texi: Refer to avr/constraints.md instead of
5756 2006-03-30 Roger Sayle <roger@eyesopen.com>
5758 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5759 signed vs. unsigned comparison failures on some hosts.
5761 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5764 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5765 change to FLOAT_REGS.
5767 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5768 (rs6000_override_options): Use it.
5769 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5770 only for -mabi=spe/no-spe and -mabi=altivec.
5772 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5774 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5777 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5779 * Makefile.in: Rename docdir to gcc_docdir.
5781 2006-03-30 Roger Sayle <roger@eyesopen.com>
5784 * expr.c (emit_group_store): Optimize group stores into a pseudo
5785 register by using a paradoxical subreg to initialize the destination
5786 if the first or last member of the group specifies a "low part".
5788 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5791 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5792 * target.h (struct gcc_target.speculate_insn): Change type of the
5793 second parameter to 'int'.
5794 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5795 the second operand of the DEPS_LIST.
5796 (copy_DEPS_LIST_list): Update reference to the second operand of the
5798 * rtl.h (alloc_DEPS_LIST): Update signature.
5799 * sched-int.h (ds_t): Change typedef to 'int'.
5800 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5802 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5804 * haifa-sched.c (try_ready): Change condition to restore
5805 non-speculative pattern of the instruction.
5806 (process_insn_depend_be_in_spec): Code to keep probability of the
5807 speculative dependence non-decreasing.
5809 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5811 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5812 (single_move_for_movmem): ... this. Also change all uses.
5813 (bfin_expand_strmov): Renamed to...
5814 (bfin_expand_movmem): ... this. Also change all uses.
5815 * config/bfin/bfin.md (movstrsi): Renamed to...
5816 (movstrsi): ...this.
5818 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5820 PR tree-optimization/26830
5822 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5823 (copy_prop_visit_stmt): Remove write-only variable ann.
5824 (init_copy_prop): Check variable loop depth here. Do not simulate
5825 memory-tag and virtual operand PHIs except for store copy prop.
5827 2006-03-30 Richard Guenther <rguenther@suse.de>
5829 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5830 variants with double arguments.
5832 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5834 * genpreds.c (write_tm_constrs_h): Delete variable p.
5835 * genconditions.c (write_header): Add tm-constrs.h to included
5837 * genpeep.c (main): Add toplev.h to included headers.
5838 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5839 (build/genpeep.o): Add toplev.h dependency.
5840 * config/rs6000/constraints.md: Add "W" constraint.
5842 2006-03-29 Roger Sayle <roger@eyesopen.com>
5844 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5845 sizes by correctly testing whether the size fits a host integer.
5846 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5847 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5848 SImode range for the default sizetype and bitsizetype.
5850 2006-03-29 Roger Sayle <roger@eyesopen.com>
5852 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5853 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5854 quickly if the argument is already of the correct type.
5855 Call fold_build1 instead of build1. Tidy up blank lines.
5857 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5859 * genemit.c (main): Add tm-constrs.h to included headers.
5860 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5861 * genpeep.c (main): Add tm-constrs.h to included headers.
5862 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5863 (write_tm_constrs_h): this and write complete file.
5864 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5865 (write_insn_preds_c): Add tm-constrs.h to included headers.
5866 (gen_constrs): New variable.
5867 (parse_option): Parse "-c".
5868 (main): Invoke write_tm_constrs_h.
5869 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5870 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5871 (object_out_file): Add tm-constrs.h dependency.
5872 (insn-emit.o): Same.
5873 (insn-output.o): Same.
5874 (insn-peep.o): Same.
5875 (insn-preds.o): Same.
5876 (insn-recog.o): Same.
5877 (tm-constsr.h): New target.
5878 (s-constrs-h): New target.
5880 * config/rs6000/constraints.md: New file.
5881 * config/rs6000/rs6000.c: Include tm-constrs.h.
5882 (num_insn_constant_wide): Convert to satisfies_constraint.
5883 (rs6000_rtx_costs): Convert to satisfies_constraint.
5884 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5885 (CONST_OK_FOR_LETTER_P): Delete.
5886 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5887 (EXTRA_CONSTRAINT): Delete.
5888 (EXTRA_MEMORY_CONSTRAINT): Delete.
5889 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5890 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5891 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5892 satisfies_constraint.
5894 * config/i386/i386.c: Include tm-constrs.h.
5896 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5898 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5899 * tree-data-ref.c (find_data_references_in_loop,
5900 compute_data_dependences_for_loop): Use pointers to VEC.
5901 (analyze_all_data_dependences): Adjust calls.
5902 * tree-data-ref.h (find_data_references_in_loop,
5903 compute_data_dependences_for_loop): Adjust declarations.
5904 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5905 compute_data_dependences_for_loop.
5907 2006-03-29 Paul Brook <paul@codesourcery.com>
5909 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5912 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5914 PR tree-optimization/26859
5915 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5917 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5918 for the step after fold_convert.
5920 2006-03-29 Paul Brook <paul@codesourcery.com>
5922 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5923 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5925 2006-03-29 Paul Brook <paul@codesourcery.com>
5928 * targhooks.c (default_narrow_bitfield): New fuction.
5929 * targhooks.h (default_narrow_bitfield): add prototype.
5930 * target.h (gcc_target): Add narrow_volatile_bitfield.
5931 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5932 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5933 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5934 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5936 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5938 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5940 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5941 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5942 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5943 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5944 (s390_function_arg_float): Allow SDmode and DDmode values to be
5945 passed in floating point registers.
5946 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5947 check with SCALAR_FLOAT_MODE_P.
5948 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5950 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5952 PR tree-optimization/25985
5953 * tree-ssa-loop-niter.c (number_of_iterations_le,
5954 number_of_iterations_ne): Make comments more precise.
5955 (number_of_iterations_cond): Add only_exit argument. Use the
5956 fact that signed variables do not overflow only when only_exit
5958 (loop_only_exit_p): New.
5959 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5960 number_of_iterations_cond.
5962 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5964 PR tree-optimization/26643
5965 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5968 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5970 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5971 (divsi3_i4_int): Likewise.
5973 2006-03-28 Roger Sayle <roger@eyesopen.com>
5975 * expr.c (emit_group_store): Only create a new pseudo reg if the
5976 quantity it needs to hold isn't already a suitable pseudo.
5978 2006-03-28 Jeff Law <law@redhat.com>
5980 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5981 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5983 2006-03-28 Roger Sayle <roger@eyesopen.com>
5985 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5986 the equivalent ~X & Y, and the symmetry related transformations.
5987 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5988 ~X & Y, and symmetry related transforms.
5990 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5992 Revert my 2006-03-27 patches.
5994 2006-03-28 Roger Sayle <roger@eyesopen.com>
5996 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5997 ~(T1)X, when T1 and T2 are integer types of the same precision
5998 and (T2)X isn't an extension.
6000 2006-03-28 Jeff Law <law@redhat.com>
6002 PR tree-optimization/26796
6003 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6004 need EH edge cleanups rather than purging them immediately.
6005 (eliminate_degenerate_phis): Handle queued EH cleanups.
6007 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6009 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6012 2006-03-27 Roger Sayle <roger@eyesopen.com>
6015 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6016 cast BIT_NOT_EXPR operand to the correct type.
6018 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6020 * tree-loop-linear.c: Don't include varray.h.
6021 (gather_interchange_stats, try_interchange_loops,
6022 linear_transform_loops): Use VEC instead of VARRAY.
6023 * lambda-mat.c: Don't include varray.h.
6024 * tree-chrec.c: Same.
6025 * lambda-trans.c: Same.
6026 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6027 VEC instead of VARRAY.
6028 * tree-vectorizer.h: Idem.
6029 * tree-data-ref.c (dump_data_references,
6030 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6031 initialize_data_dependence_relation, finalize_ddr_dependent,
6032 compute_all_dependences, find_data_references_in_loop,
6033 compute_data_dependences_for_loop, analyze_all_data_dependences,
6034 free_dependence_relation, free_dependence_relations,
6035 free_data_refs): Idem.
6036 * tree-data-ref.h (data_reference_p, subscript_p): New.
6037 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6038 VEC instead of VARRAY.
6039 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6040 (find_data_references_in_loop, compute_data_dependences_for_loop,
6041 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6042 dump_data_dependence_relations, free_dependence_relations,
6043 free_data_refs): Adjust declaration.
6044 (lambda_transform_legal_p): Move declaration here...
6045 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6046 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6047 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6048 vect_analyze_data_refs): Use VEC instead of VARRAY.
6049 * lambda.h (lambda_transform_legal_p): ...from here.
6050 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6051 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6052 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6053 tree-chrec.o): Don't depend on VARRAY_H.
6055 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6057 * rtl.def (Copyright): Update date.
6058 (DEPS_LIST): Change type of the second operand to 'int'.
6059 * target.h (Copyright): Update date.
6060 (struct gcc_target.speculate_insn): Change type of the second parameter
6062 * lists.c (Copyright): Update date.
6063 (alloc_DEPS_LIST): Change signature. Update reference to the second
6064 operand of the DEPS_LIST.
6065 (copy_DEPS_LIST_list): Update reference to the second operand of the
6067 * rtl.h (Copyright): Update date.
6068 (alloc_DEPS_LIST): Update signature.
6069 * sched-int.h (Copyright): Update date.
6070 (ds_t): Change typedef to 'int'.
6071 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6073 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6075 * haifa-sched.c (Copyright): Update date.
6076 (try_ready): Change condition to restore non-speculative pattern
6078 (process_insn_depend_be_in_spec): Code to keep probability of the
6079 speculative dependence non-decreasing.
6081 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6083 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6084 shut up the compiler.
6086 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6088 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6089 to use lib prefix for target.
6090 ($(T)libic_invalidate_array_4-200.a): Likewise.
6091 ($(T)libic_invalidate_array_4a.a): Likewise.
6093 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6094 J"orn Rennecke <joern.rennecke@st.com>
6096 * superh.opt: New file.
6097 * sh.c (boardtype, osruntime): Remove.
6098 * superh.h (SUBTARGET_OPTIONS): Remove.
6099 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6101 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6102 arguments with ^ and/or [].
6104 * config.gcc (sh-*-*): Add quoting to account for quirk of
6106 Replace == with = in enable_incomplete_targets test.
6108 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6109 with MASK_LITTLE_ENDIAN.
6111 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6112 * config/sh/sh.opt: Added to some comments.
6113 * config/sh/superh.h: Removed some chaff.
6115 * config/sh/sh.opt: Add m4-[1234]00* options.
6116 * config/sh/sh.c (sh_handle_option): Likewise.
6117 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6118 (ic_invalidate_array_4-100.o): New rule.
6119 ($(T)libic_invalidate_array_4-100.a): Likewise.
6120 (ic_invalidate_array_4-200.o): Likewise.
6121 ($(T)libic_invalidate_array_4-200.a): Likewise.
6122 (ic_invalidate_array_4a.o): Likewise.
6123 ($(T)libic_invalidate_array_4a.a): Likewise.
6124 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6125 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6127 * config/sh/crt1.asm: Merged in profiling code.
6128 * config/sh/superh.h (STARTFILE_SPEC): Override.
6129 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6130 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6131 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6133 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6134 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6135 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6137 * sh.opt (mpretend-cmove): New option.
6138 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6139 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6140 (movsicc): Add TARGET_PRETEND_CMOVE code.
6142 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6144 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6145 s390_class_max_nregs): New function prototypes.
6146 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6147 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6148 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6149 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6151 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6153 * dwarf2out.c (add_location_or_const_value_attribute): Call
6154 tree_add_const_value_attribute if nothing else works.
6155 (reference_to_unused): New.
6156 (rtl_for_decl_init): Use reference_to_unused to decide whether
6157 to output an initializer.
6159 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6162 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6163 peephole removing spe frob_di_df_2.
6165 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6167 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6168 (subscript_dependence_tester_1): Declared.
6169 (print_dir_vectors, print_dist_vectors): New.
6170 (debug_data_dependence_relation): New.
6171 (dump_data_dependence_relation): Print more details.
6172 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6173 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6174 (save_dist_v, save_dir_v, add_outer_distances,
6175 build_classic_dist_vector_1): New.
6176 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6177 Don't test for lambda_vector_lexico_pos.
6178 (same_access_functions, add_multivariate_self_dist,
6179 add_other_self_distances, dir_from_dist): New.
6180 (build_classic_dir_vector): Replace implementation almost identical to
6181 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6183 (subscript_dependence_tester_1): New.
6184 (subscript_dependence_tester): Handle the lexicographically negative
6185 distance vectors by recomputing the dependence relation.
6186 (compute_affine_dependence): Remove parameter loop_nest_depth.
6187 (compute_self_dependence): Don't call compute_subscript_distance.
6188 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6189 Add a parameter for the loop_nest.
6190 (find_loop_nest_1, find_loop_nest): New.
6191 (compute_data_dependences_for_loop): Compute the loop nest, and give
6192 up if the nest is not well formed.
6193 * tree-data-ref.h (loop_p): New.
6194 (struct data_dependence_relation): Replace size_vect field with
6195 loop_nest, a vec of loops.
6196 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6197 (DDR_LOOP_NEST): New.
6198 (print_dir_vectors, print_dist_vectors,
6199 debug_data_dependence_relation): Declared.
6200 (index_in_loop_nest): New.
6201 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6202 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6205 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6207 * simplify-rtx.c (simplify_relational_operation): Call
6208 simplify_relational_operation_1 even if mode is VOIDmode.
6210 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6212 PR tree-optimization/26804
6213 * tree.h (DECL_CALL_CLOBBERED): New macro.
6214 (tree_decl_common): Add call_clobbered_flag.
6215 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6216 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6217 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6218 (mark_non_addressable): Ditto.
6219 * tree-ssa.c (verify_call_clobbered): New function.
6220 (verify_alias_info): Use it.
6221 * tree-pass.h (pass_reset_cc_flags): New prototype.
6222 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6223 (reset_cc_flags): New function.
6224 * passes.c (init_optimization_passes): Call reset_cc_flags after
6225 initializing referenced_vars.
6227 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6228 Roger Sayle <roger@eyesopen.com>
6231 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6232 to 1.0 for non-real operands. Implement A / A optimization for
6235 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6237 * config/i386/i386.c (size_cost): Correct the comment for
6238 cost of storing fp registers.
6239 (i386_cost): Likewise.
6240 (i486_cost): Likewise.
6241 (pentium_cost): Likewise.
6242 (pentiumpro_cost): Likewise.
6243 (k6_cost): Likewise.
6244 (athlon_cost): Likewise.
6245 (k8_cost): Likewise.
6246 (pentium4_cost): Likewise.
6247 (nocona_cost): Likewise.
6248 (generic64_cost): Likewise.
6249 (generic32_cost): Likewise.
6251 2006-03-24 Denis Chertykov <denisc@overta.ru>
6253 * config/avr/avr-protos.h (extra_constraint): Delete.
6254 (extra_constraint_Q): New declaration.
6255 * config/avr/constraints.md: New file.
6256 * config/avr/avr.md: Include it.
6257 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6258 (TMP_REGNO, ZERO_REGNO): Likewise.
6259 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6260 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6261 (extra_constraint): Delete.
6262 (extra_constraint_Q): Test for memory constraint 'Q'.
6263 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6264 (REG_CLASS_FROM_LETTER): Delete.
6265 (CONST_OK_FOR_LETTER_P): Delete.
6266 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6267 (EXTRA_CONSTRAINT): Delete.
6268 (TMP_REGNO): Delete.
6269 (ZERO_REGNO): Delete.
6271 2006-03-24 Jeff Law <law@redhat.com>
6273 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6274 directly. Call mark_new_vars_to_rename slightly earlier.
6276 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6278 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6280 (gen_compile_unit_die): Use new language types for Objective-C and
6282 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6283 DW_LANG_C_plus_plus.
6286 * config/t-darwin (crt3.o): Work around bug 26840.
6287 * config/darwin-crt3.c: Rewrite.
6288 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6290 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6292 * doc/invoke.texi: Document -femit-class-debug-always
6293 * common.opt: Add -femit-class-debug-always.
6295 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6297 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6298 index and base register.
6299 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6300 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6301 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6302 REGNO_OK_FOR_INDEX_P.
6303 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6305 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6306 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6307 REG_OK_FOR_BASE_P): Definitions removed.
6309 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6312 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6313 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6314 set yet or weren't marked as local yet.
6316 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6318 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6321 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6323 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6324 (rs6000_legitimate_small_data_p): Delete.
6325 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6326 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6327 and make static. Add forward declaration. Update uses.
6328 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6329 of offsettable_memref_p.
6330 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6331 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6333 2006-03-24 Jeff Law <law@redhat.com>
6335 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6336 around bug in immediate-use iterator.
6338 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6341 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6342 or __LITTLE_ENDIAN__.
6344 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6346 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6347 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6348 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6349 * config/sh/sh.opt (mdiv=): Amend description.
6350 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6351 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6352 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6353 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6354 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6355 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6356 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6357 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6358 TARGET_DIVIDE_CALL_FP.
6360 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6362 * haifa-sched.c (choose_ready): Fix type of the local variable.
6363 Move local variables. Add comment.
6364 (check_reg_live): Change signature. Make callable from debugger.
6365 * sched-int.h (check_reg_live): Update signature.
6366 * sched-ebb.c (check_reg_live): Update parameters.
6367 * sched-rgn.c (check_reg_live): Ditto.
6368 (region_head_or_leaf_p): Check pointer before dereferencing.
6369 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6370 before reload on optimization levels below 1.
6372 2006-03-23 Richard Henderson <rth@redhat.com>
6374 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6378 * config/alpha/predicates.md (local_symbolic_operand): Reject
6381 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6384 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6385 expressions which have overflowed constants.
6387 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6389 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6391 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6393 * cfgloopmanip.c (create_loop_notes): Removed.
6394 * final.c (final_scan_insn): Do not handle loop notes.
6395 * jump.c (squeeze_notes): Ditto.
6396 * cfglayout.c (skip_insns_after_block,
6397 duplicate_insn_chain): Ditto.
6398 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6400 * cfgloop.h (create_loop_notes): Declaration removed.
6402 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6404 * varasm.c (output_constant_pool): Restore fnname and fndecl
6406 (assemble_start_function): Adjust call accordingly.
6407 (assemble_end_function): Likewise.
6409 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6412 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6415 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6417 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6420 * system.h (ICE_EXIT_CODE): New macro.
6421 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6422 (diagnostic_action_after_output): Likewise.
6423 * gcc.c (fatal_ice): New function.
6424 (execute): Use it instead of fatal.
6425 (fancy_abort): Likewise.
6426 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6428 2006-03-22 Jeff Law <law@redhat.com>
6430 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6431 iv_analyze_result returning false.
6433 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6435 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6437 2006-03-22 Richard Henderson <rth@redhat.com>
6440 * except.c (duplicate_eh_regions_0): New.
6441 (duplicate_eh_region_1): Duplicate the children of the node as
6442 well as the node itself. Link them up properly.
6443 (duplicate_eh_region_2): Merge into ...
6444 (duplicate_eh_regions): ... here. Take copy_region argument, and
6445 copy only a sub-tree if asked. Simplify copying and fixup.
6446 (eh_region_outer_p): New.
6447 * except.h (duplicate_eh_regions): Update decl.
6448 (eh_region_outer_p): Declare.
6449 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6450 (lower_omp_master): Likewise.
6451 (lower_omp_ordered): Likewise.
6452 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6453 (move_stmt_r): Use it to remap labels. Handle recursion vs
6454 remap_decls_p properly.
6455 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6456 (find_outermost_region_in_block): New.
6457 (new_label_mapper): New.
6458 (move_sese_region_to_fn): Copy eh information to the new function
6460 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6462 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6465 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6467 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6468 into shared libraries.
6470 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6472 * doc/md.texi: Refer to i386/constraints.md instead of
6474 * config/i386/constraints.md: New file, extracted from...
6475 * config/i386/predicates.md: ...here.
6476 * config/i386/i386.md: Include constraints.md.
6478 2006-03-21 Jason Merrill <jason@redhat.com>
6480 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6483 * expr.c (init_block_move_fn): Force default visibility.
6484 (init_block_clear_fn): Likewise.
6485 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6486 * targhooks.c (default_external_stack_protect_fail): Likewise.
6488 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6490 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6491 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6492 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6493 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6494 (loadgp): Use mips_current_loadgp_style.
6495 (loadgp_noshared): New pattern.
6496 (sibcall_internal): Use MIPS_CALL.
6497 (sibcall_value_internal): Likewise.
6498 (sibcall_value_multiple_internal): Likewise.
6499 (call_internal): Likewise.
6500 (call_value_internal): Likewise.
6501 (call_value_multiple_internal): Likewise.
6502 (call_split): Use MIPS_CALL and add an 'S' constraint.
6503 (call_value_split): Likewise.
6504 (call_value_multiple_split): Likewise.
6505 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6506 (-mshared): New option.
6507 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6508 (mips_current_loadgp_style): Declare.
6509 * config/mips/mips.c (mips_classify_symbol): Avoid using
6510 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6511 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6512 TARGET_ABSOLUTE_ABICALLS.
6513 (override_options): Adjust comments. Improve the warning that is
6514 issued when -mabicalls and -G are used together.
6515 (mips_file_start): Remove comment.
6516 (mips_current_loadgp_style): New function.
6517 (mips_gnu_local_gp): New variable.
6518 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6520 (mips_output_function_prologue): Use mips_current_laodgp_style.
6521 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6522 the cprestore instruction.
6523 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6524 live for TARGET_ABSOLUTE_ABICALLS.
6525 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6526 (ASM_SPEC): Pass down -mshared and -mno-shared.
6527 (MIPS_CALL): New macro.
6528 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6530 * doc/invoke.texi (-mabicalls): Update documentation.
6531 (-mshared): Document.
6533 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6535 * config/ia64/unwind-hpux.c: New file.
6536 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6538 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6541 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6543 2006-03-21 Jeff Law <law@redhat.com>
6545 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6546 type conversions of a VR_VARYING source to a wider type.
6548 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6550 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6551 tm_file on Solaris 10 and later.
6552 (sparc64-*-solaris2*): Likewise.
6553 (sparc-*-solaris2*): Likewise.
6554 * config/sol26.h: Rename to config/sol2-6.h.
6555 * config/sol2-10.h: New file.
6557 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6560 * tree-ssa-pre.c (create_component_ref_by_pieces):
6563 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6566 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6567 return it immediately.
6569 2006-03-21 Michael Matz <matz@suse.de>
6571 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6573 (remove_arc, add_arc): Update num_out_arcs member.
6574 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6576 (cache_presence): New function.
6577 (compare_states_for_equiv): New function.
6578 (state_is_differed): Don't take number of outargs, adjust callers.
6579 Use new invariant for speeding up.
6580 (init_equiv_class): Create initial classes based on sorted
6582 (partition_equiv_class): Don't track out_arcs_num.
6583 (evaluate_equiv_classes): Call cache_presence on all states and
6586 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6588 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6589 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6590 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6591 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6593 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6594 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6595 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6596 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6597 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6599 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6600 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6601 (REGNO_REG_CLASS): ARGP is in PREGS.
6602 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6604 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6605 to deal with those addresses.
6606 * addresses.h: New file.
6607 * caller-save.c: Include "addresses.h".
6608 (init_caller_save): Use new base_reg_class function.
6609 * rtl-factoring.c: Include "addresses.h".
6610 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6611 * recog.c: Include "addresses.h".
6612 (preprocess_constraints): Use new base_reg_class function.
6613 * regrename.c: Include "addresses.h".
6614 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6615 functions. Keep track of a new var INDEX_CODE to compute valid
6617 (replace_oldest_value_addr): Likewise.
6618 (replace_oldest_value_mem): Use base_reg_class.
6619 * reload.c: Include "addresses.h".
6620 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6621 (find_reloads): Use new base_reg_class function.
6622 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6623 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6624 all callers and prototype changed.
6625 * reload1.c: Include "addresses.h".
6626 (maybe_fix_stack_asms): Use base_reg_class.
6627 * regclass.c: Include "addresses.h".
6628 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6629 (init_reg_autoinc): Use new base_reg_class function.
6630 (record_reg_classes): Likewise.
6631 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6632 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6633 Use new args to compute necessary class.
6635 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6636 regrename.o, rtl-factoring.o): Update dependencies.
6637 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6638 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6639 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6640 REG_OK_FOR_INDEX_P): Delete documentation.
6642 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6644 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6645 from V7 to V9 for Solaris 7 and above.
6647 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6649 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6650 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6651 argument pointers may not alias any other storage.
6652 * common.opt: Define option -fargument-noalias-anything.
6653 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6654 alias semantics is specified by flag_argument_noalias > 2.
6656 2006-03-20 Jeff Law <law@redhat.com>
6658 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6659 (pass_phi_only_cprop): Declare.
6660 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6662 * tree-ssa-dom.c (degenerate_phi_result): New function.
6663 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6664 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6665 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6666 (eliminate_degenerate_phis): Likewise.
6667 (pass_phi_only_cprop): New pass descriptor.
6668 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6669 support code. Callers updated.
6670 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6671 (store_copy_prop): Likewise.
6672 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6674 2006-03-20 Jason Merrill <jason@redhat.com>
6677 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6678 (push_visibility, pop_visibility): Likewise.
6679 * c-pragma.h: Declare them.
6681 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6683 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6685 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6686 parameter and use get_ebb_head_tail.
6687 (sh_md_init_global): Adjust uses of find_regmode_weight.
6689 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6691 * function.h (struct function) <x_tail_recursion_reentry>:
6692 Rename to x_stack_check_probe_note.
6693 (tail_recursion_reentry): Rename to stack_check_probe_note.
6694 * function.c: Replace tail_recursion_reentry with
6695 stack_check_probe_note everywhere.
6696 (expand_function_start): Only emit a note for
6697 stack_check_probe_note with -fstack-protect.
6698 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6700 * emit-rtl.c (remove_unnecessary_notes): Remove.
6701 (pass_remove_unnecessary_notes): Remove.
6702 * rtl.h (remove_unnecessary_notes): Remove prototype.
6703 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6704 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6705 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6707 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6710 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6711 (valid_in_set): Handle ARRAY_REF.
6712 Change "if min_variant or VH" to asserts.
6713 (create_component_ref_by_pieces): Handle ARRAY_REF.
6714 (create_expression_by_pieces): Likewise.
6715 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6717 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6719 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6720 is operand of switch, not str[0].
6722 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6724 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6725 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6727 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6729 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6730 end of insn_extra_address_constraint declaration.
6732 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6734 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6735 (no-sum-in-toc): Same.
6736 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6738 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6739 NO_FP_IN_TOC for -fPIC instead of mask.
6741 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6742 (BOOT_LDFLAGS): Delete.
6744 * config/rs6000/t-aix52: Same.
6746 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6747 (stmsi[345678]_power): New.
6749 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6751 * config/ia64/ia64.opt: Add empty line to end of file.
6753 2006-03-17 Richard Guenther <rguenther@suse.de>
6756 * builtins.c (get_pointer_alignment): For component style references
6757 adjust alignment to the component type alignment. Make sure
6758 to adjust alignment for component access of constants.
6760 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6762 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6765 2006-03-17 Paul Brook <paul@codesourcery.com>
6767 * doc/install.texi: Docuemnt --with-mode.
6768 * config.gcc: Add --with-mode for arm*-*-*.
6769 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6771 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6773 * sh.c (max_labelno_before_reorg): New variable.
6774 (sh_reorg): Initialize it.
6775 (find_barrier): Check max_labelno_before_reorg before using
6776 label_to_alignment. Take length of explicit alignment insns
6777 into account. When seeing a UNSPECV_CONST_END, return it.
6779 * sh.c (fixup_mova): Set mode of affected label to QImode.
6780 (untangle_mova): New function.
6781 (find_barrier): Use it. Check mode of label before decrementing
6783 (sh_reorg): Likewise.
6784 Set mode of all insns back to VOIDmode.
6786 * sh.c (MOVA_LABELREF): New macro.
6787 (mova_p, fixup_mova, sh_reorg): Use it.
6788 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6789 ADDR_DIFF_VEC matches mova.
6791 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6793 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6794 with ATTRIBUTE_UNUSED.
6796 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6798 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6799 pointer, instead of assuming it is possible to derive the
6800 correct args size from a call insn.
6802 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6804 * rtl.h (CONST_INT_P): Define.
6805 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6806 instead of GET_CODE(x) == CONST_INT.
6807 (vax_rtx_costs): Likewise.
6808 (vax_output_int_move): Likewise.
6809 (vax_output_int_add): Likewise.
6810 (legitimate_constant_address_p): Likewise.
6811 (index_term_p): Likewise.
6812 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6813 * config/vax/vax.md (and<mode>3): Likewise.
6814 (ashrsi3): Likewise.
6816 (movstricthi): Likewise.
6817 (movstrictqi): Likewise.
6818 (rotrsi3): Likewise.
6819 (five unnamed insns): Likewise.
6821 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6823 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6824 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6825 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6826 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6827 Pass to ASM_OUTPUT_DWARF_OFFSET.
6828 * dwarf2out.c (debug_frame_section): New.
6829 (output_call_frame_info): Use debug_frame_section. Pass it to
6830 dw2_asm_output_offset.
6831 (output_die): Pass appropriate section to dw2_asm_output_offset.
6832 (output_compilation_unit_header): Likewise.
6833 (output_pubnames): Likewise.
6834 (output_aranges): Likewise.
6835 (enum dw_val_class): Break dw_val_class_lbl_offset into
6836 dw_val_class_lineptr and dw_val_class_macptr.
6837 (add_AT_lbl_offset): Delete.
6838 (add_AT_lineptr): New.
6839 (add_AT_macptr): New.
6840 (AT_lbl): Expect a lineptr or macptr.
6841 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6842 (attr_checksum): Likewise.
6843 (same_dw_val_p): Likewise.
6844 (size_of_die): Likewise.
6845 (value_format): Likewise.
6846 (output_die): Likewise.
6847 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6849 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6850 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6851 * config/darwin-protos.h (darwin_file_start): New.
6852 (darwin_asm_output_dwarf_offset): New.
6853 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6854 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6856 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6857 if not EH section; simplify.
6858 (darwin_file_start): New.
6859 (darwin_asm_output_dwarf_offset): New.
6860 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6862 (DEBUG_INFO_SECTION): Likewise.
6863 (DEBUG_ABBREV_SECTION): Likewise.
6864 (DEBUG_ARANGES_SECTION): Likewise.
6865 (DEBUG_MACINFO_SECTION): Likewise.
6866 (DEBUG_LINE_SECTION): Likewise.
6867 (DEBUG_LOC_SECTION): Likewise.
6868 (DEBUG_PUBNAMES_SECTION): Likewise.
6869 (DEBUG_STR_SECTION): Likewise.
6870 (DEBUG_RANGES_SECTION): Likewise.
6871 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6872 (ASM_OUTPUT_DWARF_OFFSET): New.
6874 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6876 * config.gcc (tm_defines): Always add to previous value rather
6879 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6881 * config/mips/predicates.md (splittable_const_int_operand): New,
6882 split from move_operand.
6883 (splittable_symbolic_operand): New.
6884 (move_operand): Add commentary. Use splittable_const_int_operand.
6885 Inline mips_atomic_symbolic_constant_p.
6886 * config/mips/mips.md: Add combine splitters for handling moves
6887 of splittable_const_int_operands and splittable_symbolic_operands.
6888 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6889 (mips_split_symbol): Declare.
6890 (mips_move_integer): Declare.
6891 * config/mips/mips.c (mips_split_p): Make global.
6892 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6893 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6894 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6895 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6896 (mips_offset_within_object_p): Handle block symbols.
6897 (mips_atomic_symbolic_constant_p): Delete.
6898 (mips_cannot_force_const_mem): Return false for constants that
6899 mips_legitimize_move can handle.
6900 (mips_use_blocks_for_constant_p): New function.
6901 (mips_split_symbol): Make global.
6902 (mips_move_integer): Likewise. Add a temporary register argument.
6903 (mips_legitimize_const_move): Use splittable_const_int_operand and
6904 splittable_symbolic_operand.
6905 (mips_use_anchors_for_symbol_p): New function.
6906 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6907 (mips_split_p): Declare.
6909 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6911 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6912 (mips*-*-linux*): Likewise.
6914 2006-03-16 Roger Sayle <roger@eyesopen.com>
6915 Daniel Speyer <dspeyer@wam.umd.edu>
6918 * tree-dump.c (dump_real): New function.
6919 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6920 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6921 (tree-dump.o): Add $(REAL_H) to the dependencies.
6923 2006-03-16 Roger Sayle <roger@eyesopen.com>
6926 * real.c (real_from_string): If the mantissa is zero, don't bother
6927 parsing the exponent as the result should always be zero.
6929 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6931 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6933 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6935 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6936 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6937 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6938 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6939 ia64_sched_finish_global): New static functions to implement
6940 hooks from gcc_target.sched.
6941 (spec_check_no, max_uid, pending_data_specs): New static variables.
6942 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6943 ia64_spec_check_src_p): New static functions.
6944 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6945 (TARGET_SCHED_ADJUST_COST): Removed.
6946 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6947 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6948 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6949 TARGET_SCHED_GEN_CHECK,
6950 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6951 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6952 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6953 Fixed to handle speculation checks.
6954 (rtx_needs_barrier): Fixed to handle speculative loads and
6956 (ia64_variable_issue): Added code to count speculative loads and their
6958 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6960 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6962 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6964 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6965 (ia64_reorg): Reset stops_p to NULL after it is freed.
6966 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6967 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6968 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6970 (data_speculative, control_speculative, check_load): New attributes.
6971 (mov<mode>_advanced, mov<mode>_speculative,
6972 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6973 zero_extend<mode>di2_speculative,
6974 zero_extend<mode>di2_speculative_advanced): New patterns for
6975 data and control speculative loads.
6976 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6978 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6979 New pattern for data and control speculation checks.
6980 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6981 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6982 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6983 Auxiliary definitions for the patterns.
6984 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6985 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6987 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6989 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6990 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6991 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6992 New resource constraints.
6993 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6995 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6996 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6997 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6998 msched-in-control-spec, msched-ldc, msched-control-ldc,
6999 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7000 msched-prefer-non-control-spec-insns,
7001 msched-count-spec-in-critical-path): New flags to tune speculative
7003 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7004 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7005 msched-in-control-spec, msched-ldc, msched-control-ldc,
7006 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7007 msched-prefer-non-control-spec-insns,
7008 msched-count-spec-in-critical-path): Document new flags.
7010 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7012 * target.h (struct spec_info_def): New opaque declaration.
7013 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7014 speculate_insn, needs_block_p, gen_check,
7015 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7016 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7017 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7018 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7019 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7020 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7022 (TARGET_SCHED): Use new macros.
7023 * rtl.h (copy_DEPS_LIST_list): New prototype.
7024 * sched-int.h (struct sched_info): Change signature of new_ready field,
7025 adjust all initializations. New fields: add_remove_insn,
7026 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7027 region_head_or_leaf_p.
7028 (struct spec_info_def): New structure declaration.
7029 (spec_info_t): New typedef.
7030 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7031 recovery_block, orig_pat.
7032 (glat_start, glat_end): New variables declaraions.
7033 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7035 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7036 DETACH_LIFE_INFO, USE_GLAT.
7037 (enum SPEC_SCHED_FLAGS): New enumeration.
7038 (NOTE_NOTE_BB_P): New macro.
7039 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7040 attach_life_info, debug_spec_status, check_reg_live): New functions.
7041 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7042 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7044 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7045 * ddg.c (get_block_head_tail): Adjust all uses.
7046 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7047 (sms_sched_info): Initialize new fields.
7048 (contributes_to_priority): Removed.
7049 * haifa-sched.c (params.h): New include.
7050 (get_block_head_tail): Adjust all uses.
7051 (ISSUE_POINTS): New macro.
7052 (glat_start, glat_end): New global variables.
7053 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7054 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7055 old_last_basic_block, before_recovery, current_sched_info_var,
7056 rgn_n_insns, luid): New static variables.
7057 (insn_cost1): New function. Move logic from insn_cost to here.
7058 (find_insn_reg_weight1): New function. Move logic from
7059 find_insn_reg_weight to here.
7060 (reemit_notes, move_insn, max_issue): Change signature.
7061 (move_insn1): Removed.
7062 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7063 extend_bb): New static functions to support extension of scheduler's
7065 (generate_recovery_code, process_insn_depend_be_in_spec,
7066 begin_speculative_block, add_to_speculative_block,
7067 init_before_recovery, create_recovery_block, create_check_block_twin,
7068 fix_recovery_deps): New static functions to support
7069 generation of recovery code.
7070 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7071 restore_bb_notes, move_block_after_check, move_succs): New static
7072 functions to support ebb scheduling.
7073 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7074 functions to support handling of register live information.
7075 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7076 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7077 add_jump_dependencies): New static functions.
7078 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7079 consistancy checking.
7080 (debug_spec_status): New function to call from debugger.
7081 (priority): Added code to handle speculation checks.
7082 (rank_for_schedule): Added code to distinguish speculative instructions.
7083 (schedule_insn): Added code to handle speculation checks.
7084 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7085 Fixed to handle ebbs.
7086 (move_insn): Added code to handle ebb scheduling.
7087 (max_issue): Added code to use ISSUE_POINTS of instructions.
7088 (choose_ready): Added code to choose between speculative and
7089 non-speculative instructions.
7090 (schedule_block): Added code to handle ebb scheduling and scheduling of
7091 speculative instructions.
7092 (sched_init): Initialize new variables.
7093 (sched_finish): Free new variables. Print statistics.
7094 (try_ready): Added code to handle speculative instructions.
7095 * lists.c (copy_DEPS_LIST_list): New function.
7096 * sched-deps.c (extend_dependency_caches): New function. Move logic
7097 from create_dependency_caches to here.
7098 (get_dep_weak, ds_merge): Make global.
7099 * genattr.c (main): Code to output prototype for
7100 dfa_clear_single_insn_cache.
7101 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7102 (output_dfa_clean_insn_cache_func): Code to output
7103 dfa_clear_single_insn_cache function.
7104 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7106 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7108 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7109 New static variables.
7110 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7111 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7113 (ebb_sched_info): Initialize new fields.
7114 (get_block_head_tail): Adjust all uses.
7115 (compute_jump_reg_dependencies): Fixed to use glat_start.
7116 (schedule_ebb): Code to remove unreachable last block.
7117 (schedule_ebbs): Added code to update register live information.
7118 * sched-rgn.c (region_sched_info): Initialize new fields.
7119 (get_block_head_tail): Adjust all uses.
7120 (last_was_jump): Removed. Adjust users.
7121 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7122 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7123 Implement new hooks.
7124 (check_dead_notes1): New static function.
7125 (struct region): New fields: dont_calc_deps, has_real_ebb.
7126 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7127 (BB_TO_BLOCK): Fixed to handle EBBs.
7128 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7129 (ebb_head): New static variable.
7130 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7131 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7133 (compute_dom_prob_ps): New assertion.
7134 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7135 global_live_at_start.
7136 (init_ready_list): New assertions.
7137 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7138 (new_ready): Add support for BEGIN_CONTROL speculation.
7139 (schedule_insns): Fixed code that updates register live information
7141 (schedule_region): Fixed to handle EBBs.
7142 (init_regions): Use extend_regions and check_dead_notes1.
7143 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7144 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7145 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7146 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7147 TARGET_SCHED_GEN_CHECK,
7148 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7149 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7150 * doc/invoke.texi (max-sched-insn-conflict-delay,
7151 sched-spec-prob-cutoff): Document.
7153 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7155 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7156 inter_tick, queue_index.
7157 (struct sched_info): Change signature of init_ready_list field.
7158 Adjust all initializations.
7159 (RESOLVED_DEPS): New access macro.
7160 (ready_add): Remove prototype.
7161 (try_ready): Add prototype.
7162 * sched-rgn.c (init_ready_list): Use try_ready.
7163 (schedule_region): Initialize
7164 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7165 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7166 (init_ready_list): Use try_ready.
7167 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7168 * lists.c (remove_list_elem): Remove `static'.
7169 (remove_free_INSN_LIST_elem): New function.
7170 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7171 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7172 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7174 (readyp): New variable.
7175 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7176 change_queue_index, resolve_dep): New static functions.
7177 (try_ready): New function. Adjust callers in sched-rgn.c and
7178 sched-ebb.c to use it instead of ready_add.
7179 (clock_var): Move at the begining of file.
7180 (rank_for_schedule): Fix typo.
7181 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7182 (ready_lastpos): Enforce assertion.
7183 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7185 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7186 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7187 (queue_to_ready): Use free_INSN_LIST_list.
7188 (early_queue_to_ready): Fix typo.
7189 (schedule_block): Init readyp. Move init_ready_list call after the
7190 initialization of clock_var. Fix error in rejecting insn by
7191 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7192 that previously corrected INSN_TICKs. Add code for handling
7194 (set_priorities): Fix typo.
7195 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7196 Clarify comment and code that keeps current_sched_info->next_tail
7199 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7201 * sched-rgn.c (extend_rgns): New static function.
7202 (find_rgns): Use it.
7203 (gather_region_statistics, print_region_statistics): New static
7205 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7206 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7208 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7209 Andrey Belevantsev <abel@ispras.ru>
7211 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7212 * lists.c (unused_deps_list): New variable.
7213 (free_list): Add assertions to verify the proper distinguishing
7214 between INSN_LISTs and DEPS_LISTs.
7215 (find_list_elem, remove_list_elem, remove_list_node): New static
7217 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7218 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7219 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7220 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7222 (free_INSN_LIST_node): Likewise.
7223 * modulo-sched.c (current_sched_info): Initialize flags field.
7224 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7225 * rtl.def (DEPS_LIST): Define.
7226 * rtl.h: Declare new functions from lists.c.
7227 * sched-deps.c (spec_dependency_cache): New static variable.
7228 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7229 (add_dependence): Change return type to void. Move the logic to ...
7230 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7231 (delete_all_dependences): Add comment about forward_dependency_cache.
7232 Handle spec_dependency_cache. Handle DEPS_LISTs.
7233 (fixup_sched_groups): Clarify the change of priority of output
7234 and anti dependencies.
7235 (sched_analyze_2): Adjust add_dependence calls to create data
7236 speculative dependence.
7237 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7238 Adjust all callers. Handle DEPS_LISTS.
7239 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7240 presence of speculation.
7241 (init_dependency_caches, free_dependency_caches):
7242 Handle spec_dependency_cache.
7243 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7244 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7245 New static functions.
7246 (add_or_update_back_dep, add_or_update_back_forw_dep,
7247 add_back_forw_dep, delete_back_forw_dep): New functions.
7248 * sched-int.h (ds_t, dw_t): New typedefs.
7249 (struct sched_info): Add new field flags.
7250 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7251 Prototype new sched-deps.c functions.
7252 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7253 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7254 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7255 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7256 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7257 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7259 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7261 * sched-rgn.c (current_sched_info): Initialize flags field.
7262 (schedule_insns): Initialize current_sched_info before the sched_init
7264 * sched-ebb.c (current_sched_info): Initialize flags field.
7265 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7266 Call add_or_update_back_dep instead of add_dependence.
7267 Create control speculative dependencies.
7268 (schedule_insns): Initialize current_sched_info before the sched_init
7271 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7273 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7275 (sh_fallback_frame_state): Likewise.
7277 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7279 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7280 Do switch on default_use_cxa_atexit.
7281 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7282 * config/darwin-crt3.o: New.
7283 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7284 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7285 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7287 * config/rs6000/t-darwin: Move crt2.o building to here.
7288 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7289 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7292 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7294 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7295 from '! xxx' to '!xxx' for coding-style conformance.
7296 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7297 (EXTRA_CONSTRAINT): Likewise.
7298 * config/vax/vax.md (four unnamed insns): Likewise.
7300 2006-03-15 Paul Brook <paul@codesourcery.com>
7302 * config/arm/arm.c (minipool_pad): New.
7303 (add_minipool_forward_ref): Include pool alignment padding in address
7305 (push_minipool_fix): Set minipool_pad.
7306 (minipool_pad): Ditto.
7308 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7310 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7311 instead of GET_CODE() == MEM and REG_P() instead of
7313 (print_operand_address): Likewise.
7314 (vax_address_cost): Likewise.
7315 (vax_rtx_costs): Likewise.
7316 (vax_notice_update_cc): Likewise.
7317 (vax_output_int_add): Likewise.
7318 (INDEX_REGISTER_P): Likewise.
7319 (BASE_REGISTER_P): Likewise.
7320 (nonindexed_address_p): Likewise.
7321 (vax_mode_dependent_address_p): Likewise.
7322 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7323 (PRINT_OPERAND): Likewise.
7324 * config/vax/vax.md (ashlsi3): Likewise.
7325 (ashlsi3): Likewise.
7326 (some more unnamed insns): Likewise.
7328 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7330 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7331 iterator-style macro.
7332 (mark_control_dependent_edges_necessary): Update the use of
7333 EXECUTE_IF_CONTROL_DEPENDENT.
7335 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7337 * config/sh/predicates.md (cache_address_operand): Special.
7338 (ua_address_operand): Likewise.
7340 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7342 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7344 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7346 2006-03-15 Andreas Schwab <schwab@suse.de>
7348 * gensupport.c (identify_predicable_attribute): Don't free p_false
7349 when it is still in use.
7351 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7353 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7354 the default setting here.
7356 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7358 * tree-pass.h (pass_cfg): Remove.
7359 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7360 * passes.c (pass_cfg): Don't run it.
7362 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7364 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7365 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7367 (stack_regs_mentioned): Update the uses of
7368 stack_regs_mentioned_data. Don't access the array beyond its
7370 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7371 Don't include gt-reg-stack.h.
7373 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7374 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7376 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7379 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7382 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7384 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7386 2006-03-14 Richard Guenther <rguenther@suse.de>
7388 PR tree-optimization/26672
7389 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7392 2006-03-14 Richard Guenther <rguenther@suse.de>
7394 PR tree-optimization/26667
7395 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7396 node for the callees. Always allow inlining if it will shrink
7399 2006-03-14 Richard Guenther <rguenther@suse.de>
7402 * builtins.c (get_pointer_alignment): Prefer alignment
7403 information from decls over that from types.
7405 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7408 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7410 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7412 * config/rs6000/rs6000.opt (mdlmzb): New option.
7413 (msched-prolog, msched-epilog): Use Var not Mask.
7414 * doc/invoke.texi (-mdlmzb): Document.
7415 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7417 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7418 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7420 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7422 PR rtl-optimization/25739
7423 * bt-load.c (augment_live_range): Free tos pointer.
7425 * gensupport.c (identify_predicable_attribute): Free
7427 * gcov.c (create_file_names): Free name pointer.
7429 2006-03-13 Roger Sayle <roger@eyesopen.com>
7432 * stmt.c (emit_case_nodes): Handle the case where the index is a
7433 CONST_INT, where the comparison mode is specified by the index type.
7435 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7437 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7440 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7442 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7443 (*branch_fp_inverted): Likewise.
7445 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7448 * omp-low.c (expand_omp_for_generic): Mark istart0
7449 and iend0 as addressable.
7451 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7453 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7455 2006-03-13 Jeff Law <law@redhat.com>
7457 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7458 virtual operands are interesting.
7459 (vrp_visit_stmt): Corresponding changes.
7461 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7463 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7465 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7466 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7467 * config/bfin/crti.S: Use it instead of __PIC__.
7468 * config/bfin/crtn.S: Likewise.
7470 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7471 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7473 Lose 'G' modifier for call operand.
7474 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7475 recognize 'G' modifier.
7477 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7480 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7481 * stmt.c (expand_case): Likewise.
7483 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7485 PR rtl-optimization/26254
7486 * loop-invariant.c (seq_insns_valid_p): New function.
7487 (move_invariant_reg): Only emit new code if it is valid.
7489 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7491 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7493 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7494 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7495 (commit_one_edge_insertion): Do not look for loop notes.
7497 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7499 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7500 flag_test_coverage out of loop.
7502 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7504 * final.c (shorten_branches): Remove outdated comment, and turn
7505 the if branch that guards it to continue.
7507 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7509 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7510 * cfgloop.h (struct loop): Remove unused fields.
7512 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7514 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7515 (-dL, -fdump-rtl-loop2): Update the dump file names
7517 * doc/invoke.texi: Update dump file names.
7519 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7521 * predict.c (estimate_probability): Remove.
7522 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7523 * basic-block.h (estimate_probability): Remove prototype.
7524 * passes.c (finish_optimization_passes): Dump branch prediction or
7525 profiling heuristics to the .profile tree dump.
7526 (init_optimization_passes): Unqueue pass_branch_prob.
7528 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7530 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7532 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7533 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7535 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7537 * function.h (frame_offset_overflow): Declare.
7538 * function.c (frame_offset_overflow): New function.
7539 (assign_stack_local_1): Call it to detect that the offset overflows.
7540 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7542 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7544 * config/sh/sh.c: Include alloc-pool.h.
7545 (label_ref_list_pool): New alloc pool.
7546 (label_ref_list_t): New type for lists of labels.
7547 (struct pool_node): Make wend a label_ref_list_t.
7548 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7550 (dump_table): Likewise.
7551 (sh_reorg): Set up the alloc pool before using add_constant and
7552 dump_table, and destroy it when finishing.
7554 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7556 * config/mips/mips.c: Remove redundant comment.
7558 2006-03-10 Jason Merrill <jason@redhat.com>
7561 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7562 the target was declared 'register'.
7564 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7566 * genpreds.c (write_insn_constraint_len): Change definition of
7567 insn_constraint_len to return size_t to match the declaration.
7569 2006-03-10 DJ Delorie <dj@redhat.com>
7571 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7573 (m32c_expand_insv): Fix test for an AND mask.
7575 2006-03-10 Richard Guenther <rguenther@suse.de>
7578 * builtins.c (get_pointer_alignment): Handle component
7579 references for field alignment.
7581 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7583 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7584 when building with libgloss.
7585 (sh*elf): Implement --without-fp option.
7586 (sh64-superh-linux*): Don't multilib.
7588 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7590 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7592 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7594 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7595 Set it when one of the replacement functions returned true.
7596 Return TODO_cleanup_cfg if cfgchanged is true.
7597 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7599 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7601 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7602 instead of gen_lowpart.
7604 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7606 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7608 (mips_output_order_conditional_branch): Declare.
7609 * config/mips/mips.h (MIPS_BRANCH): New macro.
7610 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7611 for the comparison. Use gen_condjump.
7612 (mips_output_conditional_branch): Rework interface to take the
7613 asm templates for a direct branch and the inverse of a direct branch.
7614 (mips_output_order_conditional_branch): New function.
7615 (mips_builtin_branch_and_move): New function.
7616 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7617 branch condition. Use gen_single_cc as the condition for
7618 __builtin_mips_upper_* or __builtin_mips_lower_*.
7619 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7620 Use VOIDmode for the branch condition.
7621 * config/mips/predicates.md (order_operator): New predicate.
7622 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7623 (branch_fp): Rename to...
7624 (*branch_fp): ...this. Remove mode from comparison operator.
7625 Use new mips_output_conditional_branch interface.
7626 (branch_fp_inverted): Rename to...
7627 (*branch_fp_inverted): ...this and update as for *branch_fp.
7628 (*branch_zero<mode>): Rename to...
7629 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7630 Use mips_output_order_conditional_branch. Only accept ordered
7632 (*branch_zero<mode>_inverted): Rename to...
7633 (*branch_order<mode>_inverted): ...this and update as for
7634 *branch_order<mode>.
7635 (*branch_equality<mode>): Accept zero as the second operand to
7636 the equality operator. Use the new mips_output_conditional_branch
7638 (*branch_equality<mode>_inverted): Likewise.
7639 (condjump): New expander.
7640 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7642 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7643 (bc1any2t, bc1any2f): Likewise.
7644 (single_cc): New expander.
7645 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7647 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7649 * doc/md.texi: Update documentation of MIPS constraints.
7650 * config/mips/constraints.md: New file.
7651 * config/mips/mips.md: Include it.
7652 * config/mips/mips.c (mips_char_to_class): Delete.
7653 (override_options): Don't initialize mips_char_to_class.
7654 * config/mips/mips.h (mips_char_to_class): Delete.
7655 (REG_CLASS_FROM_LETTER): Delete.
7656 (CONST_OK_FOR_LETTER_P): Delete.
7657 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7658 (EXTRA_CONSTRAINT_Y): Delete.
7659 (EXTRA_CONSTRAINT_STR): Delete.
7660 (CONSTRAINT_LEN): Delete.
7661 (EXTRA_MEMORY_CONSTRAINT): Delete.
7663 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7665 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7666 original fn's eh regions.
7668 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7670 * fold-const.c (build_range_check): Make sure to use a valid type to
7671 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7674 (range_predecessor): New static function.
7675 (range_successor): Likewise.
7676 (merge_ranges): Use them to compute predecessors and successors of
7679 2006-03-09 Roger Sayle <roger@eyesopen.com>
7682 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7683 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7685 2006-03-08 DJ Delorie <dj@redhat.com>
7687 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7688 (addpsi3): Expand to include memory operands. Remove
7689 reload-specific splits.
7690 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7691 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7692 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7693 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7694 (shift1_qi, shift1_hi, insv): New.
7695 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7696 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7697 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7699 * config/m32c/m32c-protos.h: Update as needed.
7700 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7701 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7702 Fail for unrecognized R* constraints.
7703 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7704 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7705 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7707 (m32c_init_libfuncs): New.
7708 (m32c_legitimate_address_p): Add debug wrapper.
7709 (m32c_rtx_costs): New.
7710 (m32c_address_cost): New.
7711 (conversions): Add 'B' prefix.
7712 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7713 operands, or word regnames for QI operands. 'B' prints bit
7715 (m32c_expand_setmemhi): New.
7716 (m32c_expand_movmemhi): New.
7717 (m32c_expand_movstr): New.
7718 (m32c_expand_cmpstr): New.
7719 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7720 (m32c_expand_neg_mulpsi3): Handle non-ints.
7721 (m32c_cmp_flg_0): New.
7722 (m32c_expand_movcc): New.
7723 (m32c_expand_insv): New.
7724 (m32c_scc_pattern): New.
7725 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7726 a0/a1 out of SIregs.
7727 (STORE_FLAG_VALUE): New.
7728 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7731 * config/m32c/mov.md: Make constraints more liberal.
7732 (zero_extendqihi2): Optimize r0/r1 case.
7733 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7734 * config/m32c/predicates.md (m32c_any_operand): New.
7735 (m32c_nonimmediate_operand): New.
7736 (m32c_hl_operand): New.
7737 (m32c_r3_operand): New.
7740 (memsym_operand): New.
7741 (memimmed_operand): New.
7742 (a_qi_operand): New.
7743 (m32c_eqne_operator): New.
7744 (m32c_1bit8_operand): New.
7745 (m32c_1bit16_operand): New.
7746 (m32c_1mask8_operand): New.
7747 (m32c_1mask16_operand): New.
7748 * config/m32c/blkmov.md: New file.
7749 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7751 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7753 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7754 unsigned to fix signed/unsigned comparison issue in
7755 DWARF2_FRAME_REG_OUT.
7756 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7757 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7759 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7760 of ptr into the ENABLE_CHECKING section.
7762 2006-03-08 Jeff Law <law@redhat.com>
7764 * tree-vrp.c (infer_value_range): Only count pointer uses
7765 and dereferences if -fdelete-null-pointer-checks is enabled.
7767 * tree-vrp.c (find_assert_locations): Infer value ranges for
7768 single use pointers, but do not create ASSERT_EXPRs for them.
7769 When a non-null range is inferred for a pointer, backwards
7770 propagate that range to other equivalent pointers through the
7773 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7776 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7777 language hook targets.
7778 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7779 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7780 if language hook targets were missing.
7782 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7784 * tree-ssa-opfinalize.h: Removed.
7785 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7787 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7788 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7789 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7790 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7791 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7792 finalize_ssa_v_must_def_ops): New.
7794 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7796 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7799 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7801 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7803 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7804 addresses with offsets; reorganize.
7806 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7807 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7808 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7810 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7813 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7815 2006-03-08 Ben Elliston <bje@au.ibm.com>
7817 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7819 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7822 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7825 2006-03-07 Richard Guenther <rguenther@suse.de>
7827 PR tree-optimization/26587
7828 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7830 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7832 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7834 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7836 * hooks.c (hook_bool_mode_rtx_true): New function.
7837 * hooks.h (hook_bool_mode_rtx_true): Declare.
7838 * toplev.c (compile_file): Call output_shared_constant_pool.
7839 * varasm.c (shared_constant_pool): New variable.
7840 (assemble_start_function, assemble_end_function): Remove arguments
7841 from call to output_constant_pool.
7842 (create_constant_pool): New function, split out from...
7843 (init_varasm_status): ...here.
7844 (force_const_mem): Choose between the shared and per-function constant
7845 pools. Set current_function_uses_const_pool when reusing old entries
7846 as well as when creating new ones.
7847 (mark_constant): Ignore data argument.
7848 (mark_constants): Remove pool argument.
7849 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7850 to decide whether the function uses a constant pool.
7851 (output_constant_pool_contents): New function, split out from...
7852 (output_constant_pool): ...here.
7853 (output_shared_constant_pool): New function.
7854 (init_varasm_once): Initialize shared_constant_pool.
7855 * output.h (output_constant_pool): Delete.
7856 (output_shared_constant_pool): Declare.
7857 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7858 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7860 2006-03-06 Nick Clifton <nickc@redhat.com>
7862 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7863 flag_strength_reduce.
7865 2006-03-06 Ben Elliston <bje@au.ibm.com>
7867 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7868 x86_64-*-linux* configurations.
7870 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7871 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7873 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7875 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7877 * basic-block.h: Remove the extern for
7878 rediscover_loops_after_threading.
7880 * cfgloop.c (cancel_loop): Make it static.
7881 * cfgloop.h: Remove the prototype for cancel_loop.
7883 * flow.c (recompute_reg_usage): Make it static.
7884 * rtl.h: Remove the prototype for recompute_reg_usage.
7886 * function.c (use_return_register): Make it static.
7887 * function.h: Remove the prototype.
7889 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7891 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7893 * recog.h: Remove the prototype for
7894 validate_change_maybe_volatile.
7896 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7898 * rtlanal.c (replace_reg): Remove.
7899 * rtl.h: Remove the prototype for replace_reg.
7901 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7903 * regclass.c (reg_scan_update): Remove.
7904 (reg_scan_mark_refs): Remove the last argument.
7905 * rtl.h: Remove the prototype for reg_scan_update.
7907 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7909 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7910 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7911 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7912 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7913 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7914 loop-invariant.c, omp-low.c, opts.c, passes.c,
7915 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7916 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7917 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7918 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7919 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7920 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7922 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7924 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7925 * dwarf2out.h: Remove the prototype for
7926 dwarf2out_add_library_unit_info.
7928 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7930 * tree.c (add_var_to_bind_expr): Remove.
7931 * tree.h: Remove the prototype for add_var_to_bind_expr.
7933 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7935 * regclass.c (n_non_fixed_regs): Remove.
7936 (init_reg_sets_1, globalize_reg): Remove all uses of
7938 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7940 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7942 * rtlanal.c (insns_safe_to_move_p): Remove.
7943 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7945 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7947 * expmed.c (expand_mult_add): Remove.
7948 * expr.h: Remove the prototype for expand_mult_add.
7950 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7952 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7953 and REG_SAVED_VAL_EXP constants.
7954 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7955 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7956 Handle regs stored by value.
7957 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7958 (execute_cfa_program): Handle DW_CFA_val_offset,
7959 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7960 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7961 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7962 (uw_install_context_1): Handle target regs stored by value.
7964 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7966 * tree-sra.c (tree_sra): Return todoflags;
7967 (generate_one_element): Set TODO_update_smt_usage if needed.
7968 (pass_sra): Remove TODO_update_smt_usage.
7969 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7971 (tree_ssa_forward_propagate_single_use_vars): Return
7972 TODO_update_smt_usage if we need to update SMT usage.
7973 (pass_forwprop): Remove TODO_update_smt_usage.
7975 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7977 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7978 (correct_use_link): Remove reference to get_stmt_operands.
7979 (update_stmt_operands): Likewise.
7980 (get_modify_expr_operands): New function factored out of
7981 parse_ssa_operands and get_expr_operands.
7982 Try to create V_MUST_DEFs for LHS by default.
7983 (get_expr_operands) <case MODIFY_EXPR>: Call
7984 get_modify_expr_operands.
7985 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7986 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7987 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7988 get_modify_expr_operands.
7990 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7992 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7993 * tree-flow.h: Remove the prototype for
7994 referenced_var_lookup_if_exists.
7996 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7998 PR rtl-optimization/26345
8000 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8002 2006-03-03 Roger Sayle <roger@eyesopen.com>
8004 PR tree-optimization/26524
8005 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8006 fold_convert to create a constant of the appropriate type.
8008 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8010 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8011 SYMBOL_REF_IN_BLOCK_P.
8012 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8013 of SYMBOL_FLAG_IN_BLOCK.
8014 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8015 instead of SYMBOL_REF_IN_BLOCK_P.
8016 * explow.c (use_anchored_address): Likewise.
8017 * rtl.c (rtx_size): Likewise.
8018 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8019 instead of SYMBOL_FLAG_IN_BLOCK.
8020 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8021 SYMBOL_REF_IN_BLOCK_P.
8022 (assemble_variable): Likewise.
8023 (output_constant_def_contents): Likewise.
8024 (output_constant_pool): Likewise.
8025 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8026 instead of SYMBOL_FLAG_IN_BLOCK.
8027 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8028 SYMBOL_REF_IN_BLOCK_P.
8029 (SYMBOL_REF_BLOCK): Likewise.
8030 (SYMBOL_REF_OFFSET): Likewise.
8031 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8032 SYMBOL_REF_IN_BLOCK_P.
8033 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8034 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8035 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8036 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8038 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8040 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8042 2006-03-02 Roger Sayle <roger@eyesopen.com>
8044 * simplify-rtx.c (simplify_unary_operation): When simplifying
8045 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8046 that we perform the right shift in the appropriate mode, and
8047 then extend or truncate the result to requested mode.
8049 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8051 * gengtype.c (main): Handle double_int type.
8052 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8053 * double-int.c: New file.
8054 * double-int.h: New file.
8055 * system.h: Include doubleint.h.
8056 * Makefile.in (SYSTEM_H): Include double-int.h.
8057 (double-int.o): Add.
8059 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8062 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8065 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8067 * tree-vrp.c (remove_range_assertions): Do not update statements
8070 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8072 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8074 * gcse.c (rest_of_handle_gcse): Ditto.
8075 * except.c (gate_handle_eh): Ditto.
8076 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8077 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8079 2006-03-02 Eric Christopher <echristo@apple.com>
8081 * config/i386/i386.c (machopic_output_stub): Add indirection to
8084 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8088 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8090 Sun Niagara specific optimizations.
8091 * config.gcc: Recognize niagara as target.
8092 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8093 (TARGET_CPU_niagara): Define.
8094 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8095 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8096 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8097 (ASM_CPU_SPEC): Likewise.
8098 (PROCESSOR_NIAGARA): New enum entry.
8099 (REGISTER_MOVE_COST): Handle Niagara.
8100 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8101 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8102 (sparc_override_options): Recognize "niagara", set appropriate
8103 default MASK_* values for it, and align functions to 32-bytes
8104 by default just like ULTRASPARC/ULTRASPARC3.
8105 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8106 (sparc64_initialize_trampoline): Likewise.
8107 (sparc_use_sched_lookahead): Use zero for niagara.
8108 (sparc_issue_rate): Use one for niagara.
8109 * config/sparc/niagara.md: New file.
8110 * config/sparc/sparc.md: Include it.
8111 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8112 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8113 when default cpu is niagara.
8114 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8115 (ASM_CPU_SPEC): Likewise.
8116 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8117 when default cpu is niagara.
8118 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8119 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8120 just like v9/ultrasparc/ultrasparc3.
8121 * doc/invoke.texi: Add documentation for "niagara" and improve
8122 existing documentation for ultrasparc variants.
8124 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8126 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8128 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8130 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8131 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8132 and say that only one is needed.
8133 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8134 * target.h (have_switchable_bss_sections): New hook.
8135 * explow.c (use_anchored_address): Check that the symbol is in a block.
8136 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8137 (bss_noswitch_section): New variables.
8138 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8139 (get_noswitch_section): New function.
8140 (get_block_for_section): Allow SECT to be null.
8141 (unlikely_text_section_p): Use SECTION_STYLE.
8142 (bss_initializer_p): New function.
8143 (get_variable_section): Move earlier in file. Take a new argument,
8144 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8145 Return one of the new *_sections in such cases.
8146 (get_block_for_decl): New function, extracting some logic from
8147 use_blocks_for_decl_p.
8148 (change_symbol_section): Remove in favor of...
8149 (change_symbol_block): ...this new function.
8150 (use_blocks_for_decl_p): Remove checks now performed by
8152 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8153 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8154 (emit_local, emit_bss, emit_common): ...these new functions.
8155 Return true if the alignment was honored.
8156 (emit_tls_common): New function.
8157 (asm_emit_uninitialised): Delete.
8158 (assemble_variable_noswitch): New function, split out from...
8159 (assemble_variable): ...here. Don't make decisions about common
8160 variables here. Globalize all public decls that go into non-common
8161 sections. Check whether SYMBOL_REF_BLOCK is null.
8162 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8163 (output_constant_pool): Likewise.
8164 (init_varasm_once): Initialize the new section variables.
8165 (have_global_bss_p): New function.
8166 (categorize_decl_for_section): Use bss_initializer_p.
8167 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8168 (place_block_symbol): Assert that the symbol must be in a block.
8169 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8170 (TARGET_INITIALIZER): Include it.
8171 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8172 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8173 (SECTION_MACH_DEP): Bump by two.
8174 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8175 (unnamed_section): Mention SECTION_UNNAMED in comment.
8176 (named_section): Likewise SECTION_NAMED.
8177 (noswitch_section_callback): New type.
8178 (noswitch_section): New structure.
8179 (section): Add a noswitch_section alternative.
8180 (SECTION_STYLE): New macro.
8181 (tls_comm_section, comm_section, lcomm_section): Declare.
8182 (bss_noswitch_section, have_global_bss_p): Declare.
8183 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8184 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8186 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8187 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8190 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8192 * tree-vrp.c (execute_vrp): Return value.
8193 * regrename.c (rest_of_handle_regrename): Ditto.
8194 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8195 * tree-complex.c (tree_lower_complex): Ditto.
8196 (tree_lower_complex_O0): Ditto.
8197 * tracer.c (rest_of_handle_tracer): Ditto.
8198 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8199 * postreload.c (rest_of_handle_postreload): Ditto.
8200 * tree-tailcall.c (execute_tail_recursion): Ditto.
8201 (execute_tail_calls): Ditto.
8202 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8203 * tree.h (init_function_for_compilation): Ditto.
8204 * ipa-cp.c (ipcp_driver): Ditto.
8205 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8206 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8207 * final.c (compute_alignments): Ditto.
8208 (rest_of_handle_final): Ditto.
8209 (rest_of_handle_shorten_branches): Ditto.
8210 (rest_of_clean_state): Ditto.
8211 * omp-low.c (execute_expand_omp): Ditto.
8212 (execute_lower_omp): Ditto.
8213 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8214 * ipa-reference.c (static_execute): Ditto.
8215 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8216 * reorg.c (rest_of_handle_delay_slots): Ditto.
8217 (rest_of_handle_machine_reorg): Ditto.
8218 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8219 * flow.c (recompute_reg_usage): Ditto.
8220 (rest_of_handle_remove_death_notes): Ditto.
8221 (rest_of_handle_life): Ditto.
8222 (rest_of_handle_flow2): Ditto.
8223 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8224 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8225 (do_ssa_store_ccp): Ditto.
8226 (execute_fold_all_builtins): Ditto.
8227 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8228 * modulo-sched.c (rest_of_handle_sms): Ditto.
8229 * ipa-pure-const.c (static_execute): Ditto.
8230 * cse.c (rest_of_handle_cse): Ditto.
8231 (rest_of_handle_cse2): Ditto.
8232 * web.c (rest_of_handle_web): Ditto.
8233 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8234 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8235 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8236 * tree-nrv.c (tree_nrv): Ditto.
8237 (execute_return_slot_opt): Ditto.
8238 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8239 (create_structure_vars): Ditto.
8240 * loop-init.c (rtl_loop_init): Ditto.
8241 (rtl_loop_done): Ditto.
8242 (rtl_move_loop_invariants): Ditto.
8243 (rtl_unswitch): Ditto.
8244 (rtl_unroll_and_peel_loops): Ditto.
8245 (rtl_doloop): Ditto.
8246 * gimple-low.c (lower_function_body): Ditto.
8247 (mark_used_blocks): Ditto.
8248 * tree-ssa-sink.c (execute_sink_code): Ditto.
8249 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8250 (cgraph_early_inlining): Ditto.
8251 * global.c (rest_of_handle_global_alloc): Ditto.
8252 * jump.c (cleanup_barriers): Ditto.
8253 (purge_line_number_notes): Ditto.
8254 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8255 (rest_of_handle_if_after_reload): Ditto.
8256 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8257 (tree_ssa_loop_im): Ditto.
8258 (tree_ssa_loop_unswitch): Ditto.
8259 (tree_vectorize): Ditto.
8260 (tree_linear_transform): Ditto.
8261 (tree_ssa_loop_ivcanon): Ditto.
8262 (tree_ssa_empty_loop): Ditto.
8263 (tree_ssa_loop_bounds): Ditto.
8264 (tree_complete_unroll): Ditto.
8265 (tree_ssa_loop_prefetch): Ditto.
8266 (tree_ssa_loop_ivopts): Ditto.
8267 (tree_ssa_loop_done): Ditto.
8268 * predict.c (tree_estimate_probability): Ditto.
8269 * recog.c (split_all_insns_noflow): Ditto.
8270 (rest_of_handle_peephole2): Ditto.
8271 (rest_of_handle_split_all_insns): Ditto.
8272 * tree-eh.c (lower_eh_constructs): Ditto.
8273 * regmove.c (rest_of_handle_regmove): Ditto.
8274 (rest_of_handle_stack_adjustments): Ditto.
8275 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8276 * function.c (instantiate_virtual_regs): Ditto.
8277 (init_function_for_compilation): Ditto.
8278 (rest_of_handle_check_leaf_regs): Ditto.
8279 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8280 (rest_of_handle_gcse): Ditto.
8281 * ipa-type-escape.c (type_escape_execute): Ditto.
8282 * alias.c (rest_of_handle_cfg): Ditto.
8283 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8284 * profile.c (rest_of_handle_branch_prob): Ditto.
8285 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8286 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8287 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8288 * tree-dfa.c (find_referenced_vars): Ditto.
8289 * except.c (set_nothrow_function_flags): Ditto.
8290 (convert_to_eh_region_ranges): Ditto.
8291 (rest_of_handle_eh): Ditto.
8292 * emit-rtl.c (unshare_all_rtl): Ditto.
8293 (remove_unnecessary_notes): Ditto.
8294 * except.h (set_nothrow_function_flags): Ditto.
8295 (convert_to_eh_region_ranges): Ditto.
8296 * cfgexpand.c (tree_expand_cfg): Ditto.
8297 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8298 * tree-ssa-pre.c (do_pre): Ditto.
8299 (execute_fre): Ditto.
8300 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8301 (rest_of_handle_jump2): Ditto.
8302 * tree-sra.c (tree_sra): Ditto.
8303 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8304 (execute_mudflap_function_decls): Ditto.
8305 * tree-ssa-copy.c (do_copy_prop): Ditto.
8306 (do_store_copy_prop): Ditto.
8307 * ipa-prop.h (ipcp_driver): Ditto.
8308 * cfglayout.c (insn_locators_initialize): Ditto.
8309 * tree-ssa-forwprop.c
8310 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8311 * cfglayout.h (insn_locators_initialize): Ditto.
8312 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8313 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8314 (execute_late_warn_uninitialized): Ditto.
8315 * rtl.h (cleanup_barriers): Ditto.
8316 (split_all_insns_noflow): Ditto.
8317 (purge_line_number_notes): Ditto.
8318 (unshare_all_rtl): Ditto.
8319 (remove_unnecessary_notes): Ditto.
8320 (recompute_reg_usage): Ditto.
8321 (variable_tracking_main): Ditto.
8322 * integrate.c (emit_initial_value_sets): Ditto.
8323 * integrate.h (emit_initial_value_sets): Ditto.
8324 * tree-optimize.c (execute_free_datastructures): Ditto
8325 (execute_free_cfg_annotations): Ditto.
8326 (execute_fixup_cfg): Ditto.
8327 (execute_cleanup_cfg_pre_ipa): Ditto.
8328 (execute_cleanup_cfg_post_optimizing): Ditto.
8329 (execute_init_datastructures): Ditto.
8330 * tree-object-size.c (compute_object_sizes): Ditto.
8331 * combine.c (rest_of_handle_combine): Ditto.
8332 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8333 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8334 (rest_of_handle_reorder_blocks): Ditto.
8335 (rest_of_handle_partition_blocks): Ditto.
8336 * var-tracking.c (variable_tracking_main): Ditto.
8337 * tree-profile.c (tree_profiling): Ditto.
8338 * tree-vect-generic.c (expand_vector_operations): Ditto.
8339 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8340 * sched-rgn.c (rest_of_handle_sched): Ditto.
8341 (rest_of_handle_sched2): Ditto.
8342 * basic-block.h (free_bb_insn): Ditto.
8343 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8344 * tree-cfg.c (execute_build_cfg): Ditto.
8345 (remove_useless_stmts): Ditto.
8346 (split_critical_edges): Ditto.
8347 (execute_warn_function_return): Ditto.
8348 (execute_warn_function_noreturn): Ditto.
8349 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8350 * cfgrtl.c (free_bb_for_insn): Ditto.
8351 * passes.c (execute_one_pass): Run additional
8352 todos returned by execute function.
8353 * tree-pass.h (struct tree_opt_pass): Make execute
8356 2006-03-02 Richard Guenther <rguenther@suse.de>
8358 * tree-ssa-alias.c (find_used_portions): Consider taking
8359 the address as making the variable not write-only.
8361 2006-03-02 Nick Clifton <nickc@redhat.com>
8363 * config.gcc (default_use_cxa_atexit): Extend the description of
8364 this configure variable. Set its default value to "yes" for
8365 Linux, NetBSD and ELF targets on the assumption that they will
8366 use C libraries with the __cxa_atexit function.
8368 2006-03-02 Ben Elliston <bje@au.ibm.com>
8370 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8371 parameter as unused to suppress a build warning.
8373 2006-03-02 Ben Elliston <bje@au.ibm.com>
8375 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8378 2006-03-01 Roger Sayle <roger@eyesopen.com>
8381 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8382 declared name, the weak reference name, and the typeof name.
8383 (__gthrw): Avoid expanding the declared name suffix.
8384 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8386 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8388 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8390 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8391 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8392 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8393 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8394 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8395 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8396 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8397 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8398 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8399 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8400 (DW_END_default, DW_END_big, DW_END_little): New.
8401 (DW_END_lo_user, DW_END_hi_user): Define.
8402 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8403 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8404 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8407 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8409 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8411 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8413 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8415 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8417 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8418 to 'symbol_mem_tag'.
8420 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8423 2006-03-01 Roger Sayle <roger@eyesopen.com>
8425 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8427 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8430 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8431 MACHO_DYNAMIC_NO_PIC_P.
8432 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8434 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8437 * config/darwin-protos.h (darwin_asm_output_anchor):
8439 * config/darwin-sections.def (cstring_section):
8440 Add SECTION_MERGE to the flags.
8441 (literal4_section): Likewise.
8442 (literal8_section): Likewise.
8443 (objc_selector_refs_section): Likewise.
8444 (objc_cls_refs_section): Likewise.
8445 * config/darwin.c (darwin_asm_output_anchor): New
8447 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8449 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8451 Fix PR tree-optimization/26443
8452 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8453 to todo and PROP_tmt_usage to properties_destroyed.
8454 * tree-ssa-ccp.c (pass_ccp): Ditto.
8455 (pass_store_ccp): Ditto.
8456 * tree-ssa-dom.c (pass_dominator): Ditto.
8458 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8460 * tree-ssa-operands.c: Cleanup whitespace.
8461 (get_asm_expr_operands): Move before first invocation.
8462 (get_indirect_ref_operands): Likewise.
8463 (get_tmr_operands): Likewise.
8464 (get_call_expr_operands): Likewise.
8465 (append_def): Likewise.
8466 (append_use): Likewise.
8467 (append_v_may_def): Likewise.
8468 (append_v_must_def): Likewise.
8469 (add_call_clobber_ops): Likewise.
8470 (add_call_read_ops): Likewise.
8471 (add_stmt_operand): Likewise.
8472 (add_virtual_operand): Likewise.
8473 (build_ssa_operands): Likewise.
8475 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8480 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8481 with a call expr to ...
8482 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8484 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8486 * tree-vrp.c (extract_range_from_assert): Remove special
8487 handling for types with super-types.
8489 2006-03-01 Ben Elliston <bje@au.ibm.com>
8491 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8492 and powerpc64-*-linux* configurations.
8493 * config/t-dfprules: New file.
8495 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8496 Compile dfp-bit.c from the source directory using -DWIDTH and
8497 $DFP_CFLAGS to control the compilation of that file, rather than
8498 generating width-specific versions in the build directory.
8499 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8500 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8502 2006-02-28 Zack Weinberg <zackw@panix.com>
8504 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8507 2006-02-28 Eric Christopher <echristo@apple.com>
8509 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8510 Set up IN_LIBGCC definition of TARGET_64BIT.
8511 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8513 2006-02-28 Roger Sayle <roger@eyesopen.com>
8516 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8517 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8518 cases via the construction of "expr != 0".
8520 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8522 * alias.c (alias_invariant, alias_invariant_size): Remove.
8523 (record_base_value): Remove.
8524 (memrefs_conflict_p): Don't look at alias_invariant.
8525 (end_alias_analysis): Don't free it.
8526 * alias.h (record_base_value): Remove prototype.
8528 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8529 Adam Nemet <anemet@caviumnetworks.com>
8531 * rtl.h (truncated_to_mode): Declare it.
8532 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8533 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8534 (RTL_HOOKS_INITIALIZER): Include it.
8535 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8536 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8537 reg_truncated_to_mode.
8538 * rtlanal.c (truncated_to_mode): Define it.
8539 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8541 2006-02-28 Jeff Law <law@redhat.com>
8543 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8544 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8545 the range allowed by TYPE_PRECISION.
8547 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8549 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8551 PR tree-optimization/26419
8552 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8555 2006-02-27 Zack Weinberg <zackw@panix.com>
8557 * doc/md.texi: Fix typo in previous change.
8559 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8563 2006-02-27 Zack Weinberg <zackw@panix.com>
8565 * rtl.def (define_constraint, define_register_constraint)
8566 (define_memory_constraint, define_address_constraint): New MD forms.
8567 * gensupport.c (process_rtx): Put define_constraint etc on the
8569 * genpreds.c (process_define_predicate): Adjust comment. Validate
8570 the name, and call validate_exp to validate the expression.
8571 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8572 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8573 all callers changed.
8574 (validate_exp, needs_variable, struct constraint_data)
8575 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8576 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8577 (const_dbl_constraints, constraint_max_namelen)
8578 (have_register_constraints, have_memory_constraints)
8579 (have_address_constraints, have_address_constraints)
8580 (have_extra_constraints, have_const_int_constraints)
8581 (have_const_dbl_constraints, mangle, add_constraint)
8582 (process_define_constraint, process_define_register_constraint)
8583 (write_enum_constraint_num, write_lookup_constraint)
8584 (write_insn_constraint_len, write_regclass_for_constraint)
8585 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8586 (write_insn_extra_memory_constraint)
8587 (write_insn_extra_address_constraint)
8588 (write_satisfies_constraint_fns): New.
8589 (write_tm_preds_h): If we have new-style constraint definitions,
8590 prototype the functions generated from them, and define the
8591 old constraint interface (still used by generic code) in terms of
8593 (write_insn_preds_c): If we have new-style constraint definitions,
8594 generate all relevant functions from those definitions.
8595 (main): Handle define_constraint etc.
8596 * genoutput.c (struct constraint_data, indep_constraints)
8597 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8598 (mdep_constraint_len): New data structures and functions, defined
8599 #ifdef USE_MD_CONSTRAINTS.
8600 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8601 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8602 use new logic to validate operand constraints against constraint
8604 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8606 * defaults.h: If none of the old-style constraint macros are
8607 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8608 old-style macros; and poison REG_CLASS_FROM_LETTER,
8609 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8611 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8612 * doc/md.texi: Document new constraint-definition mechanism and the
8613 C interface it provides. Remove references to old mechanism
8614 elsewhere in the document.
8615 (Machine Constraints): Use pathnames relative to gcc directory,
8616 i.e. config/ARCH/FILE. Change i386 section to refer to
8617 config/i386/predicates.md; update that section to match docstrings.
8618 * doc/tm.texi: Move all documentation of the old constraint-
8619 definition macros to their own section, clearly mark as obsolete.
8621 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8622 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8624 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8625 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8626 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8628 (splits and peepholes): Use satisfies_constraint_*.
8629 * config/i386/i386.c (memory_address_length)
8630 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8632 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8634 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8635 scalar operation to be put back into the loop.
8637 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8640 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8641 (extract_cie_info): Handle S flag in augmentation string.
8642 (execute_cfa_program): If context->signal_frame, execute also
8643 fs->pc == context->ra instructions.
8644 (uw_frame_state_for): If context->signal_frame, don't subtract one
8645 from context->ra to find FDE.
8646 (uw_update_context_1): Set context->signal_frame to
8648 (_Unwind_GetIPInfo): New function.
8649 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8650 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8652 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8653 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8654 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8655 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8656 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8657 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8658 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8659 x86_64_fallback_frame_state): Set fs->signal_frame.
8660 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8661 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8662 (frob_update_context): Likewise. Workaround missing S flag in
8663 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8664 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8665 Remove the psw_addr + 1 hack.
8667 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8669 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8670 with aggregates here.
8671 (find_func_aliases): Remove code for &<aggregate> from here.
8673 2006-02-26 Roger Sayle <roger@eyesopen.com>
8675 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8676 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8677 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8680 2006-02-26 Roger Sayle <roger@eyesopen.com>
8683 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8685 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8687 * opts.c (decode_options): Do not handle flag_strength_reduce.
8688 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8689 and OPT_fstrength_reduce.
8690 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8691 flag_prefetch_loop_arrays for being nonzero.
8692 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8694 (fprefetch-loop-arrays-rtl): Removed.
8695 (flag_prefetch_loop_arrays): Do not specify the value.
8697 * doc/passes.texi: Update documentation of loop optimizer
8699 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8700 -frerun-loop-opt): Remove.
8702 2006-02-26 Richard Guenther <rguenther@suse.de>
8704 PR tree-optimization/26421
8705 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8706 in function calls that are ADDR_EXPRs as using the whole structure.
8708 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8710 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8711 * tree-pass.h (pass_loop_optimize): Remove.
8712 * passes.c (pass_loop_optimize): Never run it.
8713 * toplev.c (backend_init): Don't call init_loop.
8714 * opts.c (flag_loop_optimize_set): Remove.
8715 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8716 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8717 the old RTL loop optimizer when profiling enabled.
8718 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8719 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8720 pre-headers for the sake of the old RTL loop optimizer.
8721 * Makefile.in: Remove all references to loop.o.
8723 * doc/invoke.texi: Remove all references to -floop-optimize
8724 and -frerun-loop-opt.
8726 2006-02-26 Zack Weinberg <zackw@panix.com>
8728 * doc/md.texi (Machine Constraints): Refer to all files with paths
8729 relative to gcc directory (i.e. config/CPU/file). Add missing
8730 @table @code ... @end table to M32C subsection.
8732 2006-02-26 Roger Sayle <roger@eyesopen.com>
8734 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8736 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8738 2006-02-26 Roger Sayle <roger@eyesopen.com>
8739 James A. Morrison <phython@gcc.gnu.org>
8742 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8743 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8744 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8745 signedness of the shift operation.
8747 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8749 PR tree-optimization/26359
8750 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8752 2006-02-25 Roger Sayle <roger@eyesopen.com>
8754 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8755 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8756 as X == 0, and some symmetry related transformations.
8757 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8759 2006-02-25 Roger Sayle <roger@eyesopen.com>
8762 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8763 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8764 symmetry related transformations. Fold (X^C1) == C2 as
8767 2006-02-25 Juergen Weigert <jw@suse.de>
8768 Richard Guenther <rguenther@suse.de>
8770 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8772 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8774 * combine.c (gen_lowpart_or_truncate): Call
8775 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8777 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8779 * doc/invoke.texi: Move -fopenmp description to "Options for
8781 Remove reference to -lgomp.
8783 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8785 * doc/install.texi: Require GNU tar version 1.14.
8787 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8789 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8790 * doc/invoke.texi (C++ Dialect Options): Document
8791 -fno-use-cxa-get-exception-ptr.
8792 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8793 * configure: Regenerate.
8794 * c.opt (fuse-cxa-get-exception-ptr): New.
8795 * c-opts.c (c_common_handle_option): Handle
8796 OPT_fuse_cxa_get_exception_ptr.
8797 * c-common.c (flag_use_cxa_atexit): Update documentation.
8798 (flag_use_cxa_get_exception_ptr): New.
8799 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8800 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8802 (C_COMMON_OVERRIDE_OPTIONS): New.
8804 2006-02-24 Roger Sayle <roger@eyesopen.com>
8807 * combine.c (try_combine): Explicitly check whether GET_CODE is
8808 a SET or a CLOBBER, instead on checking that it isn't a USE.
8810 2006-02-24 Roger Sayle <roger@eyesopen.com>
8812 * fold-const.c (fold_comparison): New subroutine of fold_binary
8813 containing transformations common to both the equality and
8814 ordering relational operators, factored out of fold_binary.
8815 (fold_binary): Separate out the equality operators (EQ_EXPR
8816 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8817 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8818 transformations common to both.
8819 (fold_div_compare): Fix latent bugs in the previously unreachable
8820 LT_EXPR and GE_EXPR cases.
8822 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8824 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8825 decl libname for clog to __clog on AIX.
8827 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8829 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8832 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8833 output traceback table for thunks. Localise rs6000_stack_info call.
8835 2006-02-23 Roger Sayle <roger@eyesopen.com>
8836 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8838 * gthr-posix.h (__gthrw): Fix typo in comment.
8840 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8842 * doc/cpp.texi (Character sets): Document that we do support
8843 input files to be in any character set.
8845 2006-02-23 Jeff Law <law@redhat.com>
8847 * tree.h (PHI_ARG_NONZERO): Remove.
8848 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8849 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8850 node to the new node.
8852 PR tree-optimization/26425
8853 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8854 min/max, then assume its varying.
8856 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8858 PR rtl-optimization/26316
8859 * rtlanal.c (enum may_trap_p_flags): New.
8860 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8861 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8862 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8863 (may_trap_after_code_motion_p): New function.
8864 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8865 (find_invariant_insn): Use may_trap_after_code_motion_p.
8866 * rtl.h (may_trap_after_code_motion_p): Declare.
8868 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8870 * emit-rtl.c (immed_double_const): Cleanup.
8872 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8874 Fix PR tree-optimization/26376
8875 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8878 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8881 * gimplify.c (omp_add_variable): Guard variable size decl test with
8882 DECL_SIZE (decl) check.
8884 2006-02-23 Richard Guenther <rguenther@suse.de>
8887 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8888 like aggregate types.
8890 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8892 * configure.ac: Add --with{,out}-long-double-128 configure option.
8893 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8894 * configure: Rebuilt.
8895 * config.in: Rebuilt.
8896 * doc/install.texi (Options specification): Document
8897 --with-long-double-128.
8899 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8900 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8901 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8902 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8904 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8906 * config/s390/s390.c (override_options): Handle
8907 TARGET_DEFAULT_LONG_DOUBLE_128.
8909 * config/alpha/alpha.c (override_options): Handle
8910 TARGET_DEFAULT_LONG_DOUBLE_128.
8912 * config/sparc/sparc.c (sparc_override_options): Handle
8913 TARGET_DEFAULT_LONG_DOUBLE_128.
8915 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8917 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8918 (real-install-headers-tar, real-install-headers-cpio)
8919 (real-install-headers-cp): New targets.
8921 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8923 * tree.h (variable_section): Delete.
8924 * varasm.c (variable_section): Delete.
8926 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8928 * install.texi: Add notes on install.texi2html.
8929 (Building in parallel): Do not use footnotes.
8931 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8934 * doc/install.texi (Configuration): Document --disable-libgomp.
8936 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8938 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8940 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8942 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8943 (vec_extractv2df_0_sse): New.
8945 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8947 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8948 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8949 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8950 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8951 to the result of the expression.
8952 (def_cfa_1): Adjust.
8953 (frame_pointer_cfa_offset): Rename to...
8954 (frame_pointer_fb_offset): ... this. Adjust all uses.
8955 (convert_cfa_to_loc_list): Rename to...
8956 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8957 Pass it on to build_cfa_loc.
8958 (compute_frame_pointer_to_cfa_displacement): Rename to...
8959 (compute_frame_pointer_to_fb_displacement): ... this. New
8960 offset parameter. Use it in computation.
8961 (gen_subprogram_die): Compute cfa_fb_offset with the new
8962 macro, and use it to compute the fb loc list and the
8965 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8967 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8968 replaced with register_operand.
8969 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8970 non-DREG is expensive.
8971 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8972 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8975 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8977 * doc/install.texi2html: Use set -e.
8979 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8981 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8982 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8983 * doc/invoke.texi (-fshared-data): Delete.
8984 * common.opt (fshared-data): Delete.
8985 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8986 (assemble_static_space): Remove #if 0 code.
8987 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8988 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8989 * config/cris/cris.h: Remove FIXME.
8991 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8993 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8996 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8999 * combine.c (simplify_shift_const_1): Disable nested shifts
9000 optimization for vector shifts.
9002 2006-02-20 Roger Sayle <roger@eyesopen.com>
9004 PR tree-optimization/26361
9005 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9006 of unsigned integer types.
9008 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9010 * tree-chrec.c (eq_evolutions_p): New.
9011 * tree-chrec.h (eq_evolutions_p): Declared.
9012 * tree-data-ref.c: Fix formatting.
9013 (datadep_stats, dependence_stats): New.
9015 (print_direction_vector): New.
9016 (dump_data_dependence_relation): Use print_direction_vector.
9017 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9018 (compute_subscript_distance): Static.
9019 (initialize_data_dependence_relation): Static. Get the number
9020 of loops surrounding the references from the callers, and initialize
9021 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9022 base_object_differ_p analyzers.
9023 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9024 compute_overlap_steps_for_affine_1_2,
9025 analyze_subscript_affine_affine): Count the classified dependences.
9026 Print a message when a test failed.
9027 (can_use_analyze_subscript_affine_affine): New.
9028 (analyze_siv_subscript): Compute the data dependences on symbolic
9029 scevs that verify can_use_analyze_subscript_affine_affine.
9030 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9031 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9032 Handle symbolic scevs.
9033 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9035 (subscript_dependence_tester): Moved...
9036 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9037 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9038 DDR_SIZE_VECT instead of getting it in parameter.
9039 (subscript_dependence_tester): ... here. Take as a parameter
9040 loop_nest_depth. Call build_classic_dist_vector and
9041 build_classic_dir_vector.
9042 (compute_affine_dependence): Update subscript_dependence_tester
9043 parameters. Update datadep_stats counters. Call
9044 compute_subscript_distance.
9045 (compute_self_dependence): Save the dist and dir vectors. Call
9046 compute_subscript_distance.
9047 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9048 (compute_all_dependences): Reorder parameters as they were before
9049 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9050 compute_subscript_distance. Update the use of
9051 compute_affine_dependence and initialize_data_dependence_relation.
9052 (find_data_references_in_loop): Handle COMPONENT_REF.
9053 (compute_data_dependences_for_loop): Initialize dependence_stats.
9054 Don't call build_classic_dist_vector and build_classic_dir_vector.
9055 Update the parameters of initialize_data_dependence_relation and
9056 compute_all_dependences. Print the statistics from datadep_stats.
9057 (analyze_all_data_dependences): Static. Not used until the pass for
9058 checking the data dependences is contributed.
9059 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9060 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9061 (initialize_data_dependence_relation, compute_affine_dependence,
9062 analyze_all_data_dependences, compute_subscript_distance): Removed.
9063 (print_direction_vector): New.
9064 * lambda.h (gcd): ... here.
9065 (lambda_vector_gcd): Moved here from gcd_vector.
9066 * lambda-code.c (gcd, gcd_vector): Removed.
9067 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9068 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9070 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9072 * ipa-type-escape.c: Tidy some comments and white space.
9073 * tree-ssa-operands.c: Likewise.
9075 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9078 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9079 (dump_decl_name): Do not walk the decl tree chains.
9080 * tree-pass.h (TDF_CHAIN): Remove.
9082 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9084 * Makefile.in (C): Remove
9086 (.PHONY): Remove C and PROTO
9088 2006-02-20 Roger Sayle <roger@eyesopen.com>
9091 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9092 deprecated CHAR_TYPE tree code.
9094 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9096 * configure.ac (target_list): Add install-info, dvi, html.
9097 * configure: Regenerate.
9099 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9100 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9101 treelang/Make-lang.in: Do not use double-colon rules.
9103 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9105 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9106 (TMT_USED_ALONE): New macro.
9107 * tree-pass.h (PROP_tmt_usage): New property.
9108 (TODO_update_tmt_usage): New todo.
9109 * tree-ssa-alias.c (updating_used_alone): New variable.
9110 (recalculate_used_alone): New function.
9111 (compute_may_aliases): Set updating_used_alone, call
9112 recalculate_used_alone.
9113 * tree-sra.c (pass_sra): Note that this pass destroys
9114 PROP_tmt_usage, and add TODO_update_tmt_usage.
9115 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9116 * tree-flow.h (updating_used_alone): Prototype.
9117 (recalculate_used_alone): Ditto.
9118 * passes.c (execute_todo): Add code to set updating_used_alone,
9119 and call recalculate.
9120 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9121 for clobber if used alone, and add assert to verify used_alone
9124 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9126 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9127 for non tls symbols added.
9128 (legitimize_address): Do nothing for PLUS expressions if one of the
9129 addends is a tls symbol reference.
9131 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9135 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9137 * Makefile.in (BOOTSTRAPPING): New.
9138 (quickstrap): New definition if BOOTSTRAPPING=yes.
9140 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9141 * configure.ac: Substitute all_selected_languages with the languages
9142 that were configured. For all the other variables except
9143 lang_specs_files, include all the languages in the tree.
9144 * configure: Regenerate.
9146 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9147 if there is one. Run the commands to run fixincludes in the same
9150 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9151 * doc/install.texi: Document exact conventions for searching target tools.
9152 Document --with-build-time-tools. Document toplevel bootstrap. Document
9153 something more about building an Ada cross-compiler. Don't list GNU Make
9154 requirements which affect all platforms.
9156 2006-02-19 Roger Sayle <roger@eyesopen.com>
9159 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9160 only equivalent if the have both the same mode and precision.
9162 2006-02-20 Ben Elliston <bje@au.ibm.com>
9164 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9166 2006-02-19 Roger Sayle <roger@eyesopen.com>
9167 Steven Bosscher <stevenb.gcc@gmail.com>
9169 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9170 constant pool references to identify stack mode constants.
9171 * rtlanal.c (constant_pool_constant_p): New predicate to check
9172 whether operand is a floating point constant in the pool.
9173 * rtl.h (constant_pool_constant_p): Prototype here.
9174 * loop.c (scan_loop): Avoid hoisting constants from the constant
9175 pool on STACK_REGS targets.
9176 (load_mems): Likewise.
9177 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9178 loads into x87 registers expensive in terms of register pressure.
9180 2006-02-19 Roger Sayle <roger@eyesopen.com>
9182 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9183 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9185 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9187 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9188 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9190 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9192 * doc/invoke.texi: Document -fipa-pta.
9193 * common.opt: Add ipa-pta option.
9194 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9195 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9196 (do_ds_constraint): Ditto.
9197 (get_constraint_for): Only add to referenced_vars if
9198 referenced_vars exists.
9199 (insert_into_field_list): Rewrite to do this unsorted.
9200 (insert_into_field_list_sorted): Rename old insert_into_field_list
9202 (create_function_info_for): Use insert_into_field_list_sorted.
9203 (create_variable_info_for): Rewrite so it uses unsorted version,
9204 since the field list is sorted.
9205 (intra_create_variable_infos): Only add to referenced_vars if
9206 referenced_vars exists.
9207 (ipa_pta_execute): Init heapvars, and delete when done.
9208 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9210 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9212 * doc/install.texi: Add missing `@samp'.
9214 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9216 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9219 2006-02-18 Mark Wielaard <mark@klomp.org>
9221 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9222 who added new 4.1 features, bug fixes and integration support.
9224 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9227 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9230 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9232 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9233 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9234 (copy_insn_1): Likewise. Don't copy each field individually.
9236 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9238 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9239 * rtl.c (rtx_size): Rename variable to...
9240 (rtx_code_size): ...this.
9241 (rtx_size): New function.
9242 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9243 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9245 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9246 * rtl.h (rtx_code_size): New variable.
9247 (rtx_size): Change from a variable to a function.
9248 (RTX_SIZE): Rename to...
9249 (RTX_CODE_SIZE): ...this.
9252 PR tree-optimization/17106
9253 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9254 (Anchored Addresses): New section.
9255 * doc/invoke.texi (-fsection-anchors): Document.
9256 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9257 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9258 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9259 * hooks.c (hook_bool_mode_rtx_false): New function.
9260 * hooks.h (hook_bool_mode_rtx_false): Declare.
9261 * gengtype.c (create_optional_field): New function.
9262 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9263 SYMBOL_REF_IN_BLOCK_P is true.
9264 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9265 (min_anchor_offset, max_anchor_offset): Likewise.
9266 (use_anchors_for_symbol_p): New hook.
9267 * toplev.c (compile_file): Call output_object_blocks.
9268 (target_supports_section_anchors_p): New function.
9269 (process_options): Check that -fsection-anchors is only used on
9270 targets that support it and when -funit-at-a-time is in effect.
9271 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9272 if the decl doesn't have one.
9273 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9274 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9275 of force_const_mem through use_anchored_address.
9276 (expand_expr_constant): New function.
9277 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9278 calling expand_expr for INDIRECT_REF.
9279 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9280 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9281 * expr.h (use_anchored_address): Declare.
9282 * loop-unroll.c: Don't declare rtx vectors here.
9283 * explow.c: Include output.h.
9284 (validize_mem): Call use_anchored_address.
9285 (use_anchored_address): New function.
9286 * common.opt (-fsection-anchors): New switch.
9287 * varasm.c (object_block_htab, anchor_labelno): New variables.
9288 (hash_section, object_block_entry_eq, object_block_entry_hash)
9289 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9290 (use_blocks_for_decl_p, change_symbol_section): New functions.
9291 (get_variable_section): New function, split out from assemble_variable.
9292 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9293 use_blocks_for_decl_p say so. Use change_symbol_section if the
9294 symbol has already been created.
9295 (assemble_variable_contents): New function, split out from...
9296 (assemble_variable): ...here. Don't output any code for
9297 block symbols; just pass them to place_block_symbol.
9298 Use get_variable_section and assemble_variable_contents.
9299 (get_constant_alignment, get_constant_section, get_constant_size): New
9300 functions, split from output_constant_def_contents.
9301 (build_constant_desc): Create a block symbol if use_object_blocks_p
9302 says so. Or into SYMBOL_REF_FLAGS.
9303 (assemble_constant_contents): New function, split from...
9304 (output_constant_def_contents): ...here. Don't output any code
9305 for block symbols; just pass them to place_section_symbol.
9306 Use get_constant_section and get_constant_alignment.
9307 (force_const_mem): Create a block symbol if use_object_blocks_p and
9308 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9309 (output_constant_pool_1): Add an explicit alignment argument.
9310 Don't switch sections here.
9311 (output_constant_pool): Adjust call to output_constant_pool_1.
9312 Switch sections here instead. Don't output anything for block symbols;
9313 just pass them to place_block_symbol.
9314 (init_varasm_once): Initialize object_block_htab.
9315 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9316 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9317 (place_block_symbol, get_section_anchor, output_object_block)
9318 (output_object_block_htab, output_object_blocks): New functions.
9319 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9320 (TARGET_ASM_OUT): Include it.
9321 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9322 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9323 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9324 (TARGET_INITIALIZER): Include them.
9325 * rtl.c (rtl_check_failed_block_symbol): New function.
9326 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9327 (block_symbol, object_block): New structures.
9328 (rtx_def): Add a block_symbol field to the union.
9329 (BLOCK_SYMBOL_CHECK): New macro.
9330 (rtl_check_failed_block_symbol): Declare.
9331 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9332 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9333 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9334 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9335 * output.h (output_section_symbols): Declare.
9336 (object_block): Name structure.
9337 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9338 (default_use_anchors_for_symbol_p): Declare.
9339 * Makefile.in (RTL_BASE_H): Add vec.h.
9340 (explow.o): Depend on output.h.
9341 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9342 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9343 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9344 (rs6000_use_blocks_for_constant_p): New function.
9346 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9348 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9350 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9353 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9356 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9358 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9362 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9365 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9366 instead of DECL_REGISTER.
9368 2006-02-18 Olivier Hainque <hainque@adacore.com>
9371 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9373 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9376 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9377 * opth-gen.awk: Handle Var and InverseMask together.
9378 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9379 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9380 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9381 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9383 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9384 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9385 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9386 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9387 LINUX_DYNAMIC_LINKER): Define.
9388 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9389 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9391 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9392 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9393 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9394 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9395 (TARGET_C99_FUNCTIONS): Don't define.
9396 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9397 GLIBC_DYNAMIC_LINKER.
9398 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9399 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9400 GLIBC_DYNAMIC_LINKER64): Define.
9401 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9402 LINUX_DYNAMIC_LINKER64.
9403 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9404 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9405 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9406 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9407 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9408 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9409 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9410 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9411 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9412 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9413 and LINUX_DYNAMIC_LINKER32.
9414 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9415 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9416 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9417 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9418 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9420 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9421 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9422 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9423 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9424 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9425 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9426 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9427 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9428 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9429 LINUX_DYNAMIC_LINKER): Define.
9430 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9431 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9432 GLIBC_DYNAMIC_LINKER64): Define.
9433 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9434 LINUX_DYNAMIC_LINKER64.
9435 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9436 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9437 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9438 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9439 LINUX_DYNAMIC_LINKER): Define.
9440 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9441 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9442 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9443 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9444 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9445 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9446 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9447 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9448 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9449 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9450 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9451 * doc/invoke.texi (-muclibc): Remove caveat about supported
9454 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9456 * doc/cpp.texi (__TIMESTAMP__): Document.
9458 2006-02-17 Roger Sayle <roger@eyesopen.com>
9461 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9462 C is one less than the width of X (and related transformations).
9463 * simplify-rtx.c (simplify_unary_operation_1): Transform
9464 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9465 depending on STORE_FLAG_VALUE, were C is one less then the
9468 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9470 Fix PR tree-optimization/26341
9471 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9472 about NAME_MEMORY_TAG's.
9474 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9477 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9478 with hardware float support, and software float support. Add fcpy
9479 alternative to hardware patterns. Add alternatives to copy between
9480 general and floating-point registers to the 32-bit pattern.
9481 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9482 secondary reload to load a QI or HI mode constant into a floating
9484 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9485 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9487 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9490 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9492 (load_macho_picbase_di): Likewise.
9494 2006-02-16 Jeff Law <law@redhat.com>
9496 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9497 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9498 (ssa_name_nonzero_p): Likewise.
9499 (get_value_range): Return NULL if VRP is not running.
9500 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9501 VRP routines do not discover a range.
9502 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9503 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9504 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9505 (tree_expr_nonnegative_p): Similarly.
9506 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9507 (restore_nonzero_vars_to_original_value): Remove.
9508 (unsafe_associative_fp_binop): Remove.
9509 (tree_ssa_dominator_optimize): Remove initialization and
9510 finalization of nonzero_vars and nonzero_vars_stack.
9511 (dom_opt_initialize_block): No longer push marker on
9513 (dom_opt_finalize_block): No longer call
9514 restore_nonzero_vars_to_original_value.
9515 (record_equivalences_from_phis): No longer look for
9516 nonzero PHI arguments.
9517 (cprop_into_successor_phis): No longer propagate nonzero
9518 property into PHI arguments. Lose unused argument. Caller
9520 (record_equivalences_from_stmt): No longer record nonzero
9521 values for SSA_NAMEs.
9522 (lookup_avail_expr): No longer use nonzero_vars.
9524 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9525 for sizetype when sizetype is unsigned.
9527 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9529 PR rtl-optimization/25603
9530 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9531 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9532 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9533 with new meaning of SETS.
9535 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9540 * config/linux.opt: New file.
9541 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9542 LINUX_DYNAMIC_LINKER): Define.
9543 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9544 * config.gcc (*-*-linux*): Define extra_options.
9545 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9546 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9547 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9548 GLIBC_DYNAMIC_LINKER.
9549 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9550 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9551 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9552 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9553 * doc/invoke.texi (GNU/Linux Options): New section.
9555 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9557 * config/sparc/sparc.md (setjmp): Rewrite.
9558 (setjmp_32): Delete.
9559 (setjmp_64): Likewise.
9561 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9563 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9566 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9568 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9571 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9573 PR rtl-optimization/26296
9574 * Makefile.in (loop-invariant.c): Add except.h dependency.
9575 * loop-invariant.c: Include except.h.
9576 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9578 2005-02-16 Paul Brook <paul@codesourcery.com>
9580 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9583 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9585 PR rtl-optimization/25636
9586 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9587 when deciding whether an insn is an initializing insn.
9589 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9591 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9592 (tree_code_size): Ditto.
9593 * tree.h (struct tree_memory_tag): Remove parent_var.
9594 (struct tree_struct_field_tag): New.
9597 (union tree_node): Add sft member.
9598 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9600 (create_sft): Add size and offset argument, set SFT_OFFSET and
9602 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9603 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9604 * tree-flow-inline.h (get_subvar_at): Update for
9605 SFT_OFFSET/SFT_SIZE.
9606 (var_can_have_subvars): Ditto.
9607 (overlap_subvar): Ditto.
9608 * print-tree.c (print_node): Print out interesting things for
9610 * tree-flow.h (struct subvar): Remove offset and size members.
9611 * tree-ssa-operands.c (get_expr_operands): Update for
9612 get_indirect_ref_operands changes.
9613 (get_indirect_ref_operands): Call add_virtual_operand instead of
9614 add_stmt_operand. Only recurse on base var if requested.
9615 (access_can_touch_variable): New function.
9616 (add_stmt_operand): Split virtual operand handling into ...
9617 (add_virtual_operand): Here. Add offset, size, and for_clobber
9618 arguments. Prune alias sets.
9619 (add_call_clobber_ops): Call add_virtual_operand.
9621 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9624 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9626 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9627 than TREE_CODE as index into omp_clause_num_ops array.
9629 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9631 PR rtl-optimization/26184
9632 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9634 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9635 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9636 must_precede, must_follow and tobe_scheduled.
9639 * opts.c (common_handle_option): Free new_option pointer.
9640 * df-core.c (df_analyze): Free postorder pointer.
9642 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9644 * Makefile.in: Fix the examples about the use of stamps
9646 2006-02-15 Michael Matz <matz@suse.de>
9650 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9651 influenced by maximum_field_alignment or DECL_PACKED.
9652 (update_alignment_for_field): Ditto.
9653 (place_field): Ditto.
9654 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9657 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9659 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9660 (debug_flow_info): Pass it.
9661 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9662 * bb-reorder.c (reorder_basic_blocks): Likewise.
9663 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9664 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9665 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9666 * gcse.c (gcse_main, bypass_jumps): Likewise.
9667 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9668 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9669 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9670 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9671 * rtl.h (dump_flow_info): Adjust prototype.
9672 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9673 * var-tracking.c (variable_tracking_main): Likewise.
9674 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9675 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9678 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9680 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9683 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9685 PR tree-optimization/26209
9686 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9687 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9689 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9691 2006-02-14 Roger Sayle <roger@eyesopen.com>
9694 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9695 (X,Y) and the corresponding symmetry related transformations.
9696 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9697 (X,Y) and its symmetry related transformations.
9699 2006-02-14 Roger Sayle <roger@eyesopen.com>
9701 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9704 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9706 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9708 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9711 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9712 support COMDAT group.
9713 * configure: Regenerate.
9715 2006-02-14 Roger Sayle <roger@eyesopen.com>
9720 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9722 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9724 Fix PR tree-optimization/26260
9726 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9728 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9729 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9730 * tree-ssa-structalias.c (create_variable_info_for): Use
9731 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9733 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9735 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9737 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9738 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9739 of the ending condition.
9740 * tree-ssa-loop-manip.c: Include params.h.
9741 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9742 tree_unroll_loop): New functions.
9743 * tree-pass.h (pass_loop_prefetch): Declare.
9744 * loop.c (rest_of_handle_loop_optimize): Test for
9745 -fprefetch-loop-arrays-rtl.
9746 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9747 * timevar.def (TV_TREE_PREFETCH): New timevar.
9748 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9749 pass_loop_prefetch): New.
9750 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9751 (cleanup_tree_cfg_loop): Call scev_reset.
9752 * common.opt (fprefetch-loop-arrays-rtl): Add.
9753 * tree-ssa-loop-prefetch.c: New file.
9754 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9755 (new_temp_expr_table): Initialize expr_vars.
9756 (free_temp_expr_table): Cleanup expr_vars.
9757 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9758 expressions from being merged into one.
9759 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9760 (struct tree_niter_desc): Add control, bound and cmp fields.
9761 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9763 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9764 (tree-cfgcleanup.o): Add SCEV_H dependency.
9765 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9766 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9768 2006-02-14 Richard Guenther <rguenther@suse.de>
9770 PR tree-optimization/26258
9771 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9772 in PHI argument processing.
9774 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9776 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9777 new expression in the requested machine mode.
9779 2006-02-13 Roger Sayle <roger@eyesopen.com>
9781 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9782 directly, instead let do_compare_rtx_and_jump handle this for us.
9783 * expr.c (expand_expr_real_1): Likewise.
9784 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9785 before do_jump_by_parts_greater.
9786 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9787 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9789 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9791 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9793 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9795 PR rtl-optimization/26235
9796 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9797 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9800 2006-02-13 Jeff Law <law@redhat.com>
9802 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9805 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9808 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9809 twice if decl is a builtin. When trying again, call get_callee_fndecl
9810 first to verify it is still a builtin.
9812 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9814 * dwarf2out.c (base_type_die): Don't add AT_name here.
9815 (subrange_type_die): Don't add AT_name here.
9816 (modified_type_die): Rearrange code flow. Do add AT_name here.
9818 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9820 PR rtl-optimization/26247
9821 PR rtl-optimization/26248
9822 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9824 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9826 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9827 * config/fixtfdi.c: Likewise.
9828 * config/fixunstfdi.c: Likewise.
9829 * config/floatditf.c: Likewise.
9831 2006-02-13 Roger Sayle <roger@eyesopen.com>
9834 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9835 into (X,C2) if C1 is a subset of the bits of C2. Transform
9836 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9838 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9840 2006-02-13 Josh Conner <jconner@apple.com>
9843 * varasm.c (function_section): Check for section name before
9844 calling select_section on targets that define
9845 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9846 unlikely_text_section instead of hot_function_section if
9847 first_function_block_is_cold.
9849 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9852 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9854 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9856 PR rtl-optimization/26222
9857 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9858 after tree->rtl expansion.
9859 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9860 before passing it to emit_move_insn.
9862 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9864 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9866 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9867 Clarify documentation.
9868 * c-common.h (warn_write_strings): Remove.
9869 * c-common.c (warn_write_strings): Likewise.
9870 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9873 2006-02-12 Roger Sayle <roger@eyesopen.com>
9876 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9877 (do_jump_parts_zero_rtx): New function renamed from
9878 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9879 (do_jump_parts_equality_rtx): New function split out from
9880 do_jump_parts_equality. Old implementation renamed as above.
9881 Call do_jump_parts_zero_rtx if either operand is zero.
9882 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9883 do all of the heavy lifting.
9884 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9885 calling either do_jump_by_parts_greater_rtx or
9886 do_jump_by_parts_equality_rtx.
9887 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9888 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9889 moved to do_compare_rtx_and_jump, call it directly.
9890 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9891 mode argument. Call do_compare_rtx_and_jump.
9892 (emit_case_nodes): Update calls to do_jump_if_equal.
9894 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9896 PR rtl-optimization/26225
9897 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9899 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9901 PR rtl-optimization/26232
9902 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9904 2006-02-11 Jason Merrill <jason@redhat.com>
9907 * tree-inline.c (declare_return_variable): Just don't use the
9908 modify target if it's a gimple complex reg and the return slot
9911 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9913 * doc/contrib.texi: Update my entry.
9915 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9917 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9919 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9921 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9924 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9926 * doc/invoke.texi (-floop-optimize2): Removed.
9927 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9928 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9929 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9930 * common.opt (floop-optimize2): Removed.
9931 (fmove-loop-invariants): Enabled by default.
9933 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9935 * tree-if-conv.c (combine_blocks): Free the result of
9936 get_loop_exit_edges.
9938 2006-02-10 Jeff Law <law@redhat.com>
9940 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9942 PR tree-optimization/26213
9943 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9944 loop trying to follow SSA_NAME_VALUE chains.
9946 2006-02-10 Richard Guenther <rguenther@suse.de>
9948 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9949 deal with structures that end in implicitly variable sized arrays.
9951 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9953 PR rtl-optimization/24762
9954 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9957 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9959 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9960 (struct ivopts_data): Add regs_used field.
9961 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9962 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9963 instead of loop_data->regs_used;
9964 (free_loop_data): Do not free aux fields for loops.
9965 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9966 and tree_ssa_iv_optimize_finalize.
9968 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9970 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9972 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9975 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9976 computing the effective result type.
9978 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9981 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9982 (tree_overlaps_hard_reg_set): Declare.
9983 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9984 type and signature to match function type expected by walk_tree.
9985 (tree_overlaps_hard_reg_set): New function.
9986 (decl_conflicts_with_clobbers_p): Rename to:
9987 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9988 Use tree_overlaps_hard_reg_set. Changed caller.
9989 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9990 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9991 * cris.c (cris_md_asm_clobbers): Likewise.
9993 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9995 * reload1.c (emit_input_reload_insns): Delete code that tries to
9996 inherit using find_equiv_reg.
9998 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10000 * c-common.h (flag_const_strings): Don't declare.
10001 * c-common.c (flag_const_strings): Remove.
10002 * c.opt (fconst_strings): Remove.
10003 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10004 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10005 (c_common_init_options): Don't set flag_const_strings.
10006 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10008 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10010 * arm.md (tlobits_cbranch): New pattern.
10011 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10012 testing a single bit.
10014 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10017 * tree-ssa-pre.c (create_component_ref_by_pieces):
10018 Handle RETURN_DECL like VAR_DECL.
10020 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10022 PR middle-end/26134
10023 * fold-const.c (fold_indirect_ref_1): Fold
10024 "*(foo *)&complexfoo" to "__real__ complexfoo"
10025 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10027 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10029 * tree-flow-inline.h (var_can_have_subvars):
10030 Volatile variables should not have subvariables.
10032 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10035 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10036 multiplying unsigned values.
10039 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10041 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10043 2006-02-08 Jason Merrill <jason@redhat.com>
10046 * tree.def: Elaborate on difference from MODIFY_EXPR.
10047 * doc/c-tree.texi (INIT_EXPR): Likewise.
10048 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10049 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10050 (gimplify_target_expr): Likewise.
10051 (gimplify_cond_expr): Remove target handling.
10052 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10053 (gimplify_expr): Clobber it here.
10054 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10055 Do return slot optimization if we have an INIT_EXPR.
10058 * tree-inline.c (declare_return_variable): Also clear
10059 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10062 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10064 PR middle-end/22439
10065 * gimplify.c (gimplify_one_sizepos): Fix typo.
10067 2006-02-08 Jeff Law <law@redhat.com>
10069 PR tree-optimization/21417
10070 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10071 across a backedge if the control statement at the end of the
10072 block is data dependent on other statements in the same block.
10073 (record_temporary_equivalences_from_stmts): Remove over-conservative
10074 test for threading across backedges.
10076 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10077 control statement, handle all three special cases in the same
10078 manner as they all have the same desired solution. No longer
10079 special case edge flag updating when the post dominator is
10082 2006-02-08 Roger Sayle <roger@eyesopen.com>
10084 * tree.def (CHAR_TYPE): Remove.
10085 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10086 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10087 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10088 (gen_string_type_die): Delete unreachable function.
10090 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10091 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10092 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10093 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10094 * builtins.c (type_to_class): Likewise.
10095 * fold-const.c (fold_convert, build_range_check,
10096 merge_ranges): Likewise.
10097 * expr.c (count_type_elements): Likewise.
10098 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10099 * stor-layout.c (layout_type): Likewise.
10100 * ipa-type-escape.c (type_to_consider): Likewise.
10101 * gimplify.c (omp_firstprivatize_type_sizes,
10102 gimplify_type_sizes): Likewise.
10103 * explow.c (promote_mode): Likewise.
10104 * tree-sra.c (is_sra_scalar_type): Likewise.
10105 * varasm.c (output_constant): Likewise.
10106 * tree-inline.c (remap_type_1): Likewise.
10107 * convert.c (convert_to_pointer, convert_to_real,
10108 convert_to_integer, convert_to_complex): Likewise.
10110 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10112 * df-scan.c (df_def_record_1): A set destination may
10113 be a parallel regardless of mode.
10115 2006-02-08 Roger Sayle <roger@eyesopen.com>
10118 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10119 * config/mips/_tilib.c: Remove.
10120 * config/fixtfdi.c: New libgcc source file.
10121 * config/fixunstfdi.c: New source file.
10122 * config/floatditf.c: New source file.
10123 * config/floatunditf.c: New souce file.
10124 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10125 files above instead of config/mips/_tilib.c.
10126 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10128 2006-02-08 Jeff Law <law@redhat.com>
10130 PR tree-optimization/26169
10131 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10134 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10136 * df.h (DF_REG_SIZE): Return the length of the initialized
10139 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10141 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10142 __muldf3): Return a correctly signed zero.
10144 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10146 * passes.c (register_one_dump_file): Accept the current properties
10147 instead of pass number. Adjust call to dump_register. Remove
10149 (register_dump_files): Now a wrapper around...
10150 (register_dump_files_1): ... this one. Do not modify the pass
10152 (next_pass_1): Cosmetic fix.
10153 (execute_todo): Keep second parameter only. Use curr_properties
10154 instead of fetching it from the pass structure. Check and set
10156 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10157 instead of fetching it from the pass structure. Fix calls to
10158 execute_todo. Update curr_properties and initialize .vcg RTL dump
10159 after running the pass. Reset last_verified.
10160 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10162 (FIRST_AUTO_NUMBERED_DUMP): New.
10163 (dump_register): Remove "num" parameter, assign it within the
10165 (get_dump_file_name): Modify template for dumps.
10166 * tree-dump.h (dump_register): Adjust prototype.
10167 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10168 (PROP_trees): Add PROP_gimple_lomp.
10169 (TODO_set_props): New.
10170 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10171 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10172 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10174 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10176 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10177 (sparc64-*-linux*): Likewise.
10178 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10179 * config/sparc/t-linux: New file.
10180 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10181 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10182 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10183 -m32 -mlong-double-128.
10185 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10186 * config/alpha/t-linux: New file.
10187 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10189 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10190 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10191 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10192 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10193 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10194 (CPP_ARCH32_SPEC): Remove.
10196 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10198 PR tree-optimization/26145
10199 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10202 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10205 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10206 >= 240000 when generating code for SOM runtime.
10207 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10208 to $$dyncall when generating code for SOM runtime..
10210 2006-02-07 Dirk Mueller <dmueller@suse.com>
10213 * doc/invoke.texi (-Wsequence-point): Update documentation
10214 that -Wsequence-point is implemented for C++ as well.
10216 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10218 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10219 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10220 (LIB_SPEC): Likewise.
10221 * doc/invoke.texi (SPARC options): Document -pthread.
10223 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10225 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10228 2006-02-07 Roger Sayle <roger@eyesopen.com>
10230 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10231 Correct comment describing BOOLEAN_TYPE.
10233 2006-02-07 Dirk Mueller <dmueller@suse.com>
10235 * c.opt: C++ frontend supports -Wdiv-by-zero.
10236 * c-opts.c (c_common_handle_option): Remove dead case.
10238 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10240 * configure.ac (TLS assembler check): Do not enable TLS by
10241 default on SPARC/Solaris before version 10.
10242 * configure: Regenerate.
10244 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10246 * doc/invoke.texi (xl-compat): Document conversion and support
10249 2006-02-07 Jeff Law <law@redhat.com>
10251 * tree-vrp.c (find_conditional_asserts): Update comments.
10252 (simplify_stmt_for_jump_threading): New.
10253 (identify_jump_threads, finalize_jump_threads): New.
10254 (vrp_finalize): Call identify_jump_threads.
10255 (execute_vrp): Call finalize_jump_threads.
10256 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10257 (vrp_element, vrp_data, vrp_element_p): Remove.
10258 (vrp_hash_elt, vrp_variables_stack): Remove.
10259 (vrp_hash, vrp_eq, record_range): Remove.
10260 (simplify_cond_and_lookup_avail_expr): Remove.
10261 (extract_range_from_cond): Remove.
10262 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10263 (simplify_stmt_for_jump_threading): New.
10264 (dom_thread_across_edge): New wrapper.
10265 (tree_ssa_dominator_optimize): No longer initialize or
10266 finalize any of the VRP datastructures. Remove iteration
10267 step and simplify as a result of removal of iteration step.
10268 (pass_dominator): Perform a cfg cleanup after DOM.
10269 (dom_opt_finalize_block): Use the new common routines
10270 for threading jumps. Simplify stack management slightly.
10271 No longer need to unwind VRP state.
10272 (record_equivalences_from_incoming_edge): No longer record
10274 (eliminate_redundant_computations): No longer call
10275 simplify_cond_and_lookup_avail_expr.
10276 * tree-flow.h (potentially_threadable_block): Prototype.
10277 (thread_across_edge): Likewise.
10278 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10279 (tree-ssa-threadedge.o): Add dependencies.
10280 * tree-ssa-threadedge.c: New file.
10281 * passes.c (init_optimization_passes): Merge PHIs before
10282 calling VRP. Run VRP again late in the SSA optimization pipeline.
10284 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10286 * df-core.c (df_set_blocks): Do not dereference function pointers.
10287 (df_finish1): Likewise.
10288 (df_hybrid_search_forward): Likewise.
10289 (df_hybrid_search_backward): Likewise.
10290 (df_iterative_dataflow): Likewise.
10291 (df_analyze_problem): Likewise.
10292 (df_compact_blocks): Likewise.
10293 (df_dump): Likewise.
10294 * df-scan.c (df_rescan_blocks): Likewise.
10295 (df_record_entry_block_defs): Likewise.
10297 * genconditions.c (write_conditions): Guard the definition of
10298 'insn_conditions' with the check on GCC version.
10299 (write_writer): Guard the traversal 'insn_conditions' with
10300 the check on GCC version.
10302 2006-02-07 Richard Guenther <rguenther@suse.de>
10306 2006-01-30 Richard Guenther <rguenther@suse.de>
10308 * gimplify.c (gimplify_target_expr): Handle easy cases
10309 without creating a temporary.
10311 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10313 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10314 use of float in probability computations. Use edge probabilities
10315 in place of statically computed probabilities.
10316 (min_spec_prob): New static variable.
10317 (schedule_insns): Initialize it.
10318 (GET_SRC_PROB): Removed.
10319 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10321 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10324 * config/ia64/unwind-ia64.c: Revert last change.
10325 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10326 (INCOMING_FRAME_SP_OFFSET): Define.
10328 2006-02-06 Roger Sayle <roger@eyesopen.com>
10330 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10332 2006-02-07 Ben Elliston <bje@au.ibm.com>
10334 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10335 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10336 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10337 (ix86_return_in_memory): Handle TDmode.
10338 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10339 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10341 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10343 * reorg.c (dbr_schedule): Use dump_file instead of file.
10345 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10348 * config/ia64/predicates.md (extr_len_operand): New predicate.
10349 * config/ia64/ia64.md (extv): Tighten constraints.
10351 (*tbit_and_2): Ditto.
10352 (*tbit_and_3): Ditto.
10353 (*tbit_or_2): Ditto.
10354 (*tbit_or_3): Ditto.
10355 (*bit_zero): Ditto.
10358 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10361 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10363 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10365 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10366 loop_optimizer_init and loop_optimizer_finalize
10367 * tree-ssa-sink.c (execute_sink_code): Ditto.
10368 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10369 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10370 tree_ssa_loop_done): Ditto.
10371 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10372 * sched-ebb.c: Include output.h.
10373 (schedule_ebbs): Do not use dump argument.
10374 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10375 * loop.c (loop_dump_stream): Removed.
10376 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10378 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10379 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10380 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10381 loop_iterations, strength_reduce, record_biv, record_giv,
10382 final_giv_value, check_final_value, check_ext_dependent_givs,
10383 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10384 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10385 dump_file instead of loop_dump_stream.
10386 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10387 argument dump_file.
10388 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10390 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10391 * haifa-sched.c: Include output.h
10392 (schedule_insns, sched_init): Do not use dump argument.
10393 * mode-switching.c (optimize_mode_switching): Ditto.
10394 * modulo-sched.c (stats_file): Removed.
10395 (print_node_sched_params): Do not call argument dump_file.
10396 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10397 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10399 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10401 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10402 rtl_loop_init, rtl_loop_done): Ditto.
10403 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10404 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10406 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10407 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10408 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10409 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10410 * emit-rtl.c (renumber_insns): Ditto.
10411 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10412 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10413 * regclass.c (regclass): Ditto.
10414 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10415 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10416 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10417 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10419 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10420 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10422 * gcse.c (gcse_file, debug_stderr): Removed.
10423 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10424 rest_of_handle_gcse): Do not use dump argument.
10425 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10426 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10427 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10428 compute_code_hoist_vbeinout, compute_code_hoist_data,
10429 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10430 compute_store_table, build_store_vectors, insert_insn_start_bb,
10431 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10432 store_motion): Use dump_file instead of gcse_file.
10433 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10434 * profile.c (profile_dump_file): Removed.
10435 (branch_prob): Use dump_file instead of profile_dump_file.
10436 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10438 * tree-ssa-copy.c (dump_copy_of): Ditto.
10439 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10440 dump file to life_analysis.
10441 * bt-load.c (branch_target_load_optimize): Ditto.
10442 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10444 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10445 regclass, dbr_schedule): Declaration changed.
10446 * sched-int.h (sched_init): Declaration changed.
10447 * tree-profile.c (tree_profile_dump_file): Removed.
10448 (tree_profile_hooks): Removed profile_dump_file hook.
10449 * rtl-profile (rtl_profile_dump_file): Removed.
10450 (rtl_profile_hooks): emoved profile_dump_file hook.
10451 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10453 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10454 * tree-cfg.c (build_tree_cfg): Ditto.
10455 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10456 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10457 Declaration changed.
10458 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10459 life_analysis and schedule_insns.
10460 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10462 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10464 * config/mips/mips.c (mips_reorg): Ditto.
10465 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10468 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10470 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10471 (s390_mangle_fundamental_type): New.
10472 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10475 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10476 (alpha_mangle_fundamental_type): New.
10477 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10480 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10482 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10484 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10485 (sparc_mangle_fundamental_type): New.
10487 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10489 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10490 (s390x-*-linux*): Likewise.
10491 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10492 * config/s390/t-linux: New file.
10494 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10496 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10497 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10499 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10501 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10502 (ANTIC_SAFE_LOADS): New macro.
10503 (find_or_generate_expression): Add prototype.
10504 (set_contains_value): Allow null set for sake of not always having
10505 to allocate ANTIC_SAFE_LOADS.
10506 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10507 Allow COMPONENT_REF too.
10508 (valid_in_set): Allow COMPONENT_REF.
10509 Check ANTIC_SAFE_LOADS too.
10510 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10511 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10513 (can_PRE_operation): Add COMPONENT_REF.
10514 (create_component_ref_by_pieces): New function.
10515 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10516 (insert_aux): Move AGGREGATE_TYPE_P check here.
10517 (compute_avail): Set bb local stmt uids.
10518 (pass_pre): Use TODO_update_ssa_only_virtuals.
10520 2006-02-06 Ben Elliston <bje@au.ibm.com>
10522 * configure.ac: Unconditionally disable decimal float by default.
10523 * configure: Regenerate.
10525 2006-02-06 Ben Elliston <bje@au.ibm.com>
10527 * read-rtl.c (read_name): Terminate reading on EOF.
10529 2006-02-06 Ben Elliston <bje@au.ibm.com>
10531 * dfp.c (decimal_real_arithmetic): Change second argument type
10532 from int to enum tree_code. Do not always return true, but now
10533 return result of any call to decimal_do helper functions.
10534 * dfp.h (decimal_real_arithmetic): Update prototype.
10536 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10538 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10540 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10543 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10546 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10548 * tree-vrp.c (cfg_loops): Removed.
10549 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10550 Use current_loops instead of cfg_loops. Pass flags to
10551 loop_optimizer_init.
10552 * cfgloopmanip.c (fix_loop_structure): Update only available
10554 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10555 loop_optimizer_init.
10556 * modulo-sched.c (build_loops_structure): Removed.
10557 (sms_schedule): Use loop_optimizer_init.
10558 * loop-init.c (loop_optimizer_init): Use flags to determine
10559 which properties of loops to prepare.
10560 (rtl_loop_init): Pass flags to loop_optimizer_init.
10561 * tree-ssa-sink.c (execute_sink_code): Ditto.
10562 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10563 * tree-ssa-pre.c (init_pre): Ditto.
10564 * cfgloop.h (LOOPS_NORMAL): New.
10565 (loop_optimizer_init): Declaration changed.
10567 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10569 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10570 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10572 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10574 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10576 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10577 * pa/t-pa64: Delete quadlib.c rule.
10578 * pa/x-ada: Revert last change.
10579 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10581 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10583 PR rtl-optimization/26087
10584 * rtlanal.c (canonicalize_condition): Do not cross basic block
10587 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10590 * config/ia64/ia64.c: Include debug.h.
10591 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10592 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10593 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10594 (process_epilogue, process_set, process_for_unwind_directive):
10595 Output unwind info only if requested. Add CFA info if requested.
10596 Add new arguments as needed. Adjust callers.
10597 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10599 (DWARF2_FRAME_INFO): Define to zero.
10600 * config/ia64/unwind-ia64.c: Remove code that compensated for
10601 the CFA offset error fixed above.
10602 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10603 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10604 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10605 -funwind-tables and -fexceptions to enable frame info.
10606 (dwarf2out_frame_init): Define initial CFA even if
10607 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10608 DWARF2_UNWIND_INFO is nonzero, not just defined.
10609 (dwarf2out_frame_finish): Output non-EH call frame info only
10610 if DWARF2_FRAME_INFO is nonzero.
10611 (convert_cfa_to_loc_list,
10612 compute_frame_pointer_to_cfa_displacement): Define even if
10613 unwind info is not supported.
10614 (gen_subprogram_die): Use the above unconditionally. Remove
10615 legacy alternate code.
10616 * toplev.c (compile_file): Compile in call to
10617 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10618 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10620 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10621 Jakub Jelinek <jakub@redhat.com>
10623 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10624 IBM extended float format long double as "g" on powerpc*-linux.
10626 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10629 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10630 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10632 2006-02-03 Jason Merrill <jason@redhat.com>
10635 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10637 PR middle-end/25977
10638 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10639 on the return slot if it's an NRV.
10641 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10643 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10644 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10645 rewrite_use): Do not handle USE_OUTER.
10646 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10647 add_iv_outer_candidates, may_replace_final_value,
10648 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10649 (find_interesting_uses_op): Functionality of
10650 find_interesting_uses_outer_or_nonlin moved here.
10651 (find_interesting_uses_outside): Use find_interesting_uses_op.
10653 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10656 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10658 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10659 Ulrich Weigand <uweigand@de.ibm.com>
10662 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10663 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10664 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10665 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10667 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10668 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10669 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10670 Define secondary reloads for TFmode moves.
10671 (constant_modes): Add TFmode.
10672 (NR_C_MODES): Set to 8.
10673 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10675 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10676 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10677 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10678 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10679 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10680 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10681 (FPR mode macro): Add TFmode.
10682 (DSF mode macro): New.
10683 (<de>, <dee> mode attributes): Removed.
10684 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10685 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10686 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10687 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10688 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10689 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10690 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10691 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10692 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10693 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10694 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10695 "*negabs<mode>2", "sqrt<mode>2"):
10696 Changed <de> to <xde>. R constraint replaced by <Rf>.
10697 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10699 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10700 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10701 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10703 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10704 "extenddftf2", "extendsftf2"): New expanders.
10705 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10706 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10707 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10708 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10710 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10711 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10712 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10713 __floatditf): Add a GCC_4.1.0 symbol version tag.
10714 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10717 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10720 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10721 Use targetm.binds_local_p instead of TREE_PUBLIC.
10723 2006-02-02 Roger Sayle <roger@eyesopen.com>
10725 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10726 on INTEGER_TYPEs to indicate that it denotes a character type.
10727 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10728 signed_char_type_node, unsigned_char_type_node and char_type_node.
10729 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10730 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10731 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10733 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10734 Daniel Berlin <dberlin@dberlin.org>
10736 * tree-tailcall.c (arg_needs_copy_p): New function.
10737 (eliminate_tail_call): Use arg_needs_copy_p.
10738 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10739 (add_virtual_phis): New function.
10741 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10743 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10744 #ignore instead of #scratch for %g7 .register directive.
10746 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10748 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10751 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10753 * flow.c (calculate_global_regs_live): Assert that there aren't any
10756 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10758 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10759 what its name says.
10760 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10761 bsi_after_labels iterator.
10762 * tree-if-conv.c (find_phi_replacement_condition,
10763 replace_phi_with_cond_modify_expr): Likewise.
10764 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10765 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10767 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10769 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10771 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10774 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10775 array after growing it.
10777 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10779 PR middle-end/24901
10780 * fold-const.c (fold_checksum_tree): Change type of buf.
10782 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10784 * reload.c (push_secondary_reload): Initialize t_icode.
10786 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10788 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10789 -msoft-float -mlong-double-128 only issue a warning, but don't
10790 swich to DFmode long double.
10792 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10794 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10795 has a constant equivalent, iterate over equivalents for arg0,
10796 calling simplify_relational_operation and if there's a result
10797 cheaper than X, apply fold_rtx and return the result.
10799 2006-02-01 Jan Hubicka <jh@suse.cz>
10801 * opts.c (no_unit_at_a_time_default): New global variable.
10802 (decode_options): Use it.
10803 * opts.h (no_unit_at_a_time_default): Declare.
10805 2006-02-01 Paul Brook <paul@codesourcery.com>
10807 * function.c (assign_parm_setup_reg): Use function argument promotion
10809 * expr.c (expand_expr_real_1): Use function argument promotion rules
10812 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10814 * gcc.c (process_command): Change j to 'unsigned int'.
10816 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10818 PR middle-end/26001
10819 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10820 Use the corrected index for the character
10821 out of the string constant.
10823 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10825 * mode-switching.c (optimize_mode_switching): Fix size
10826 allocated for bb_info[n_entities].
10828 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10830 * gcc.c (main): Correct type that is allocated for
10831 explicit_link_files.
10833 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10835 * config/s390/s390.c (init_alignment_context): Set
10836 ALIAS_SET_MEMORY_BARRIER on the MEM.
10837 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10839 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10841 PR middle-end/25933
10842 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10844 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10847 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10849 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10850 * regrename.c: Ditto.
10851 * tree-ssa-loop-im.c: Ditto.
10852 * tree-dump.c: Ditto.
10853 * tree-complex.c: Ditto.
10854 * genrecog.c: Ditto.
10855 * tree-ssa-threadupdate.c: Ditto.
10857 * java/class.c: Ditto.
10858 * java/jcf-parse.c: Ditto.
10859 * java/resource.c: Ditto.
10860 * java/except.c: Ditto.
10861 * java/jvspec.c: Ditto.
10862 * java/jcf-write.c: Ditto.
10863 * java/jcf-path.c: Ditto.
10864 * java/gjavah.c: Ditto.
10865 * java/zextract.c: Ditto.
10866 * java/jcf-io.c: Ditto.
10867 * java/jcf.h: Ditto.
10868 * java/buffer.c: Ditto.
10869 * java/lang.c: Ditto.
10870 * java/parse-scan.y: Ditto.
10871 * java/lex.c: Ditto.
10872 * java/lex.h: Ditto.
10873 * cfgloopmanip.c: Ditto.
10874 * postreload-gcse.c: Ditto.
10875 * tree-ssa-loop-manip.c: Ditto.
10876 * postreload.c: Ditto.
10877 * tree-ssa-loop-ch.c: Ditto.
10880 * cppspec.c: Ditto.
10881 * diagnostic.c: Ditto.
10883 * genoutput.c: Ditto.
10885 * cfghooks.c: Ditto.
10886 * cfgloopanal.c: Ditto.
10887 * objc/objc-act.c: Ditto.
10889 * genextract.c: Ditto.
10890 * genautomata.c: Ditto.
10891 * pretty-print.c: Ditto.
10892 * genemit.c: Ditto.
10893 * cgraphunit.c: Ditto.
10895 * df-scan.c: Ditto.
10896 * haifa-sched.c: Ditto.
10897 * dominance.c: Ditto.
10899 * tree-ssa-loop-ivopts.c: Ditto.
10900 * df-core.c: Ditto.
10901 * mode-switching.c: Ditto.
10902 * modulo-sched.c: Ditto.
10904 * ipa-pure-const.c: Ditto.
10906 * fix-header.c: Ditto.
10908 * tree-stdarg.c: Ditto.
10909 * ipa-utils.c: Ditto.
10910 * loop-init.c: Ditto.
10911 * ipa-inline.c: Ditto.
10912 * cfganal.c: Ditto.
10914 * alloc-pool.c: Ditto.
10915 * dwarf2out.c: Ditto.
10917 * genattrtab.c: Ditto.
10918 * tree-ssa-loop-ivcanon.c: Ditto.
10919 * predict.c: Ditto.
10920 * timevar.c: Ditto.
10922 * fortran/gfortranspec.c: Ditto.
10923 * regmove.c: Ditto.
10924 * local-alloc.c: Ditto.
10925 * langhooks.c: Ditto.
10926 * function.c: Ditto.
10927 * tree-vectorizer.c: Ditto.
10929 * ipa-type-escape.c: Ditto.
10931 * tree-if-conv.c: Ditto.
10932 * profile.c: Ditto.
10934 * tree-data-ref.c: Ditto.
10935 * loop-unroll.c: Ditto.
10936 * treelang/treetree.c: Ditto.
10938 * bt-load.c: Ditto.
10939 * ggc-common.c: Ditto.
10941 * coverage.c: Ditto.
10943 * tree-cfgcleanup.c: Ditto.
10944 * tree-ssa-pre.c: Ditto.
10945 * cfgcleanup.c: Ditto.
10946 * loop-invariant.c: Ditto.
10947 * loop-iv.c: Ditto.
10948 * ipa-prop.c: Ditto.
10949 * print-tree.c: Ditto.
10950 * conflict.c: Ditto.
10951 * ggc-page.c: Ditto.
10952 * sched-deps.c: Ditto.
10953 * regclass.c: Ditto.
10954 * tree-object-size.c: Ditto.
10955 * combine.c: Ditto.
10956 * bb-reorder.c: Ditto.
10957 * resource.c: Ditto.
10958 * var-tracking.c: Ditto.
10959 * cfgloop.c: Ditto.
10960 * df-problems.c: Ditto.
10961 * reg-stack.c: Ditto.
10963 * gccspec.c: Ditto.
10964 * sched-rgn.c: Ditto.
10965 * tree-ssa-structalias.c: Ditto.
10966 * tree-ssa-reassoc.c: Ditto.
10967 * config/darwin-c.c: Ditto.
10968 * config/darwin.c: Ditto.
10969 * config/arm/arm.c: Ditto.
10971 * collect2.c: Ditto.
10972 * reload1.c: Ditto.
10974 2006-01-31 Nicolas Pitre <nico@cam.org>
10976 * arm.md (smaxsi3): Make aware of smax_m1.
10979 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10981 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10983 2006-01-31 Richard Guenther <rguenther@suse.de>
10985 * doc/invoke.texi (-msselibm): Document.
10986 * target.h (expand_library_builtin): New target hook.
10987 * builtins.c (expand_builtin): Use expand_library_builtin.
10988 (default_expand_library_builtin): New function.
10989 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10990 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10991 (link_gcc_math_spec): Declare.
10992 (static_specs): Add link_gcc_math_spec.
10993 * expr.h (default_expand_library_builtin): Declare.
10994 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10995 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10996 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10997 * config/i386/i386.opt (msselibm): New target option.
10998 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10999 (ix86_init_sse_abi_builtins): New function.
11000 (ix86_expand_library_builtin): Likewise.
11001 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11002 (override_options): Handle error conditions wrt -msselibm.
11003 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11004 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11005 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11008 2006-01-31 Richard Guenther <rguenther@suse.de>
11009 Paolo Bonzini <bonzini@gnu.org>
11011 * doc/install.texi (--disable-libgcc-math): Document.
11013 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11015 * expr.h (expand_normal): new inline function.
11016 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11017 * dojump.c: use it.
11018 * dwarf2out.c: use it.
11021 * expmed.c: use it.
11022 * except.c: use it.
11023 * config/sparc/sparc.c: use it.
11024 * config/i386/i386.c: use it.
11025 * config/rs6000/rs6000.c: use it.
11026 * config/arm/arm.c: use it.
11027 * config/mips/mips.c: use it.
11028 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11030 2006-01-30 Roger Sayle <roger@eyesopen.com>
11032 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11033 argv to the appropriate type.
11035 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11037 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11040 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11043 * config/s390/s390.c (struct machine_function): New flag
11044 decomposed_literal_pool_addresses_ok_p.
11045 (s390_reorg): Set it before final stage of literal pool transforms.
11046 (s390_decompose_address): Only accept displacements of the form
11047 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11049 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11051 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11052 the comparison routine return.
11054 2006-01-30 Michael Matz <matz@suse.de>
11056 * global.c (find_reg): Only evict for global regs.
11057 Take n_refs into account and dump more info.
11059 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11062 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11063 (pragma_trap, pragma_nosave_low_regs): Likewise.
11064 (current_function_anonymous_args): Likewise.
11065 (sh_deferred_function_attributes): New variable.
11066 (sh_deferred_function_attributes_tail): Likewise.
11067 (print_operand): For '@', look up trap_exit attribute.
11068 (calc_live_regs): Look up trapa_handler attribute. For trapa
11069 handlers, save/restore fpscr, but don't do any other
11070 interrupt-specific saves.
11071 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11072 Fix check for partially saved registers to check for SHmedia.
11073 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11074 (sh_output_function_epilogue): Don't clear any of the removed
11076 (sh_insert_attributes): Don't check pragma_interrupt.
11077 Insert deferred attributes. Check that interrupt attribute is
11078 present for other attributes that require its presence.
11079 (sh_attribute_table): Add new attributes trapa_handler and
11081 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11082 Don't check for pragma_interrupt. Don't store argument.
11083 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11084 (sh_deferred_function_attributes): Declare.
11085 (sh_deferred_function_attributes_tail): Likewise.
11086 * sh.md (sp_switch_1): Add operand. Change generator caller.
11087 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11088 (*return_i): Don't use when trap_exit attribute is in effect.
11089 (*return_trapa): New insn pattern.
11090 * sh-c.c: New file.
11091 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11092 setting c_target_objs and cxx_target_objs.
11093 * t-sh: Add rule for sh-c.o.
11095 2006-01-30 Richard Guenther <rguenther@suse.de>
11098 * gimplify.c (gimplify_target_expr): Handle easy cases
11099 without creating a temporary.
11101 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11103 * vec.h (safe_grow): Remove duplicated line.
11105 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11108 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11109 (expand_omp): ... here.
11110 (expand_omp_parallel): Only remove barriers for combined
11111 parallel+workshare constructs.
11113 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11117 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11118 * tree.c (build_qualified_type): Chain the new type to the original
11119 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11120 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11121 (build_pointer_type_for_mode): Only return unqualified types.
11122 (build_reference_type_for_mode): Likewise.
11124 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11126 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11127 * Makefile.in (CXX_COMPAT_WARN): Define.
11128 * configure: Regenerate.
11130 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11133 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11136 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11138 * toplev.c: Fix thinko.
11140 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11141 Marcin Dalecki <martin@dalecki.de>
11143 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11144 (push_srcloc): Use XNEW.
11145 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11147 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11149 * df-core.c (df_set_blocks): Deleted all variable.
11151 2006-01-28 Ian Lance Taylor <ian@airs.com>
11153 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11154 cgraph_output_pending_asms.
11156 2006-01-28 Zack Weinberg <zackw@panix.com>
11158 * c.opt: Add -W(no-)overlength-strings.
11159 * doc/invoke.texi: Document it.
11160 * c-opts.c (c_common_handle_option): -pedantic implies
11161 -Woverlength-strings, if not explicitly disabled already.
11162 (c_common_post_options): -Woverlength-strings defaults to off, and
11163 is always off for C++.
11164 * c-common.c (fix_string_type): Issue warning about strings longer
11165 than is portable only if warn_overlength_strings. Rearrange code
11166 a little for clarity.
11167 * configure.in: Check for -Wno-overlength-strings as well before
11168 enabling -pedantic in stage 1.
11169 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11170 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11172 * genconditions.c (write_header, write_one_condition)
11173 (write_conditions, write_writer): Consolidate very long strings
11174 that were broken up to fit in C89 portable limit. Don't use
11175 printf when fputs will do.
11177 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11179 * combine.c (simplify_comparison <AND>): Check
11180 TRULY_NOOP_TRUNCATION before start using a subreg.
11182 * config/mips/mips.md (*branch_zero<mode>,
11183 *branch_zero<mode>_inverted, *branch_equality<mode>,
11184 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11185 Remove mode check from comparisons.
11187 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11189 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11191 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11193 * expmed.c (const_mult_add_overflow_p): Remove.
11194 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11196 * recog.c (validate_replace_rtx_subexp): Remove.
11197 * recog.h: Remove the prototype for
11198 validate_replace_rtx_subexp.
11200 * integrate.h: Remove the prototype for
11201 copy_decl_for_inlining.
11202 * rtl.h: Remove the prototype for mark_constant_function.
11203 * tree-vectorizer.h: Remove the prototype for
11204 vect_strip_conversion.
11206 * modulo-sched.c (create_partial_schedule,
11207 free_partial_schedule, reset_partial_schedule): Make them
11210 * hooks.c (hook_bool_rtx_int_false): Remove.
11211 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11213 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11215 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11216 and -mlong-double-128 are incompatible.
11217 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11218 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11219 (TARGET_LIBGCC2_CFLAGS): Define.
11220 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11221 (TARGET_LIBGCC2_CFLAGS): Same.
11222 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11224 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11227 * c-typeck.c (build_binary_op): Perform implicit casts of
11228 operands before shortening them.
11230 * cfgloopmanip.c (split_loop_bb): Remove.
11231 * cfgloop.h: Remove the prototype for split_loop_bb.
11233 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11234 * cfgloop.h: Remove the prototype for
11235 flow_loop_outside_edge_p.
11237 * emit-rtl.c (init_virtual_regs): Make it static.
11238 * function.h: Remove the prototype for init_virtual_regs.
11240 * recog.c (peephole2_optimize): Make it static.
11241 * recog.h: Remove the prototype for peephole2_optimize.
11243 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11245 * df-scan.c (df_record_entry_block_defs): Check if
11246 INCOMING_RETURN_ADDR_RTX is defined.
11248 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11249 Kenneth Zadeck <zadeck@naturalbridge.com>
11251 PR rtl-optimization/24762
11252 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11253 * targhooks.c (hook_void_bitmap): New hook prototype.
11254 * targhoohs.h (hook_void_bitmap): Ditto.
11255 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11256 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11257 * target.h (live_on_entry): New function pointer.
11258 * df-scan.c (df_all_hard_regs): Removed.
11259 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11260 (df_scan_free_internal): Added df->entry_block_defs.
11261 (df_scan_alloc): Ditto.
11262 (df_scan_dump): Ditto.
11263 (df_uses_record): Plumbed flag field properly thru calls.
11264 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11265 This part fixes PR24762.
11266 (df_bb_refs_record): Added code to make the frame and arg
11267 pointers live in EH blocks.
11268 (df_refs_record): Added call to df_record_entry_block_defs.
11269 (df_record_entry_block_defs): New function.
11270 * df-core.c: Added comments to describe new artifical defs.
11271 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11272 (entry_block_defs): New field in struct df.
11273 (df_all_hard_regs): Deleted.
11274 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11275 * df-problems.c (df_ru_bb_local_compute_process_def):
11276 Added code to handle artifical defs in the entry to a function.
11277 (df_ru_bb_local_compute): Ditto.
11278 (df_rd_bb_local_compute_process_def): Ditto.
11279 (df_rd_bb_local_compute): Ditto.
11280 (df_lr_bb_local_compute): Ditto.
11281 (df_ur_bb_local_compute): Ditto.
11282 (df_urec_bb_local_compute): Ditto.
11283 (df_chain_create_bb): Ditto.
11284 (df_ur_local_finalize): Removed entry.
11285 (df_urec_init): Ditto.
11286 (df_urec_local_finalize): Ditto.
11287 (df_ri_bb_compute): Added detection of last use of pseudos.
11288 * Makefile.in (df-scan.o): Updated dependencies.
11289 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11290 * config/mips/mips.c (mips_set_live_on_entry): Added.
11291 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11293 * dce.c (marked_insn_p): Added code to handle artifical defs.
11295 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11297 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11299 (_mm_cvtsi128_si64): Likewise.
11300 (_mm_cvtsd_si64): Likewise.
11301 (_mm_cvttsd_si64): Likewise.
11302 (_mm_cvtsi64_sd): Likewise.
11303 (_mm_cvtsi64_si128): Likewise.
11304 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11305 (_mm_cvtsi64_m64): Likewise.
11306 (_m_to_int64): Likewise.
11307 (_mm_cvtm64_si64): Likewise.
11308 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11309 (_mm_cvttss_si64): Likewise.
11310 (_mm_cvtsi64_ss): Likewise.
11311 (_mm_cvtss_f32): Likewise.
11313 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11315 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11316 for pragma redefine_extname.
11318 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11321 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11322 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11323 -mno-minimal-toc to previous content.
11324 (bispecs): Remove goal.
11325 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11326 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11327 compatibility aliases on powerpc-*-*gnu*.
11328 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11329 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11330 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11331 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11332 (ldblspecs): New goal.
11333 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11334 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11336 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11337 L_sf_to_tf or L_df_to_tf is defined.
11339 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11340 Alan Modra <amodra@bigpond.net.au>
11343 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11344 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11345 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11346 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11347 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11348 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11349 (rs6000_override_options): Initialize rs6000_ieeequad.
11350 Initialize TFmode format to ibm_extended_format if not
11352 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11354 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11355 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11356 (function_arg_advance): IBM long double passed in two FPRs, not
11358 (function_arg): IBM long double passed in FPRs.
11359 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11360 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11361 Only multireg GPR aligned.
11362 (rs6000_init_libfuncs): Enable IBM long double functions if not
11364 (rs6000_generate_compare): Use IBM long double compare if not
11366 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11367 (TARGET_IEEEQUAD): Define.
11368 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11369 not TARGET_IEEEQUAD.
11370 * config/rs6000/rs6000.md: Enable TFmode patterns if
11372 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11373 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11374 and -mlong-double-128 are incompatible.
11375 * doc/invoke.texi (-mabi): Collect options together. Add
11376 ibmlongdouble and ieeelongdouble.
11378 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11380 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11382 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11383 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11384 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11385 * rtl.h (rtunion_def): Remove rt_ptr.
11387 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11388 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11389 * config/i386/winnt.c (i386_pe_mark_dllexport)
11390 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11392 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11394 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11396 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11400 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11401 pthread_key_delete. From John David Anglin. gthrw-ify
11402 pthread_getunique_np only if it it's not a macro. Delete
11404 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11405 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11406 __gthread_objc_condition_signal, __gthread_key_delete): Add
11407 "__attribute__ ((__unused__))" to unused arguments.
11408 (__gthread_recursive_mutex_init_function): Add missing return.
11409 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11410 gthr-posix95.h: Use macro-based approach for name redirection
11411 on targets missing weakref.
11413 2006-01-26 Zack Weinberg <zackw@panix.com>
11415 * genconditions.c (write_header): In generated code, #ifdef out
11416 all includes and fake declarations, except includes of bconfig.h
11417 and system.h, unless GCC_VERSION >= 3001. Do not include
11418 gensupport.h in any case.
11419 (write_conditions): Generate a definition of struct c_test. Add
11420 a comment to the generated #endif.
11421 (write_one_condition): Escape backslashes in string too.
11422 (write_writer): Generated code must escape backslashes and quote
11423 marks (but not newlines) in the strings it writes.
11424 * Makefile.in (build/gencondmd.o): Update dependencies.
11426 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11429 * Makefile.in (insn-automata.o): Add header file dependencies.
11430 * genautomata.c: Add includes.
11432 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11435 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11437 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11439 * configure.ac: Expect target tools paths to be passed from the toplevel
11440 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11442 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11444 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11447 * c.opt (Wpointer-sign): Init to -1.
11448 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11449 OPT_pedantic, to 0 otherwise.
11450 * doc/invoke.texi: Update.
11452 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11454 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11455 constants provided by 80387 instructions in the destination mode.
11457 2006-01-26 Richard Guenther <rguenther@suse.de>
11458 Andrew Pinski <pinskia@physics.uc.edu>
11461 partial PR tree-opt/17064
11462 * tree-ssa-structalias.c (intra_create_variable_infos):
11463 Create heap variables for incoming parameters if
11464 flag_argument_noalias > 1.
11465 (find_what_p_points_to): Look through default defs of
11468 2006-01-26 Jeff Law <law@redhat.com>
11471 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11472 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11473 within the VR_RANGE, use the VR_RANGE as the result, not the
11475 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11476 bounds for the type.
11478 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11480 * tree-ssa-alias.c (maybe_create_global_var): Change
11481 subvar walking to an assertion that we don't have subvar'd variables.
11483 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11486 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11487 Use a new variable, inner. PARM_DECLs are always non-weak.
11489 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11491 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11492 --disable-checking.
11494 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11496 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11498 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11500 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11501 (smax_insn, smin_insn, smax_0, smin_0): New.
11503 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11506 * config/cris/cris.c (cris_order_for_addsi3): New function.
11507 * config/cris/cris-protos.h: Prototype it.
11508 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11509 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11510 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11511 (split for "op.S1 [rx=rx+i],ry (swapped)")
11512 (split for "op(s|u).S1 [rx=rx+i],ry")
11513 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11514 Apply cris_order_for_addsi3 when generating addsi3 insns.
11516 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11518 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11519 (TREE_BLOCK): Add call to EXPR_CHECK.
11521 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11524 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11525 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11526 (dump_omp_clauses): ... here.
11527 (dump_generic_node): Handle OMP_CLAUSE.
11528 * tree.c (omp_clause_num_ops): New.
11529 (omp_clause_code_name): New.
11530 (tree_code_size): Handle OMP_CLAUSE.
11531 (tree_size): Likewise.
11532 (make_node): Document handling of OMP_CLAUSE.
11533 (tree_node_structure): Handle OMP_CLAUSE.
11534 (omp_clause_check_failed): New.
11535 (omp_clause_range_check_failed): New.
11536 (omp_clause_operand_check_failed): New.
11537 (build_omp_clause): New.
11538 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11539 * tree.h (enum omp_clause_code): Declare.
11540 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11541 (OMP_CLAUSE_RANGE_CHECK): Define.
11542 (OMP_CLAUSE_ELT_CHECK): Define.
11543 (omp_clause_check_failed): Declare.
11544 (omp_clause_operand_check_failed): Declare.
11545 (omp_clause_range_check_failed): Declare.
11546 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11547 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11548 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11549 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11550 (OMP_CLAUSE_IF_EXPR): Likewise.
11551 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11552 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11553 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11554 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11555 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11556 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11557 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11558 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11559 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11560 (OMP_CLAUSE_CODE): Define.
11561 (OMP_CLAUSE_SET_CODE): Define.
11562 (OMP_CLAUSE_CODE): Define.
11563 (OMP_CLAUSE_OPERAND): Define.
11564 (struct tree_omp_clause): Declare.
11565 (union tree_node): Add field 'omp_clause'.
11566 * treestruct.def (TS_OMP_CLAUSE): Define.
11567 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11568 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11569 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11570 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11571 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11572 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11573 (OMP_CLAUSE): Define.
11574 * print-tree.c (print_node): Handle OMP_CLAUSE.
11575 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11576 * c-typeck.c: Likewise.
11577 * gimplify.c: Likewise.
11578 * c-omp.c: Likewise.
11579 * tree-nested.c: Likewise.
11580 * tree-inline.c: Likewise.
11581 * c-parser.c: Likewise.
11582 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11585 2006-01-25 Roger Sayle <roger@eyesopen.com>
11587 PR rtl-optimization/25703
11588 * combine.c (try_combine): Handle zero_extract and strict_low_part
11589 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11591 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11593 * global.c: Fix comment typos.
11595 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11598 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11599 Use output_addr_const instead of assemble_name.
11601 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11603 * Makefile.in (sched-vis.o): Update dependencies.
11604 * haifa-sched.c (sched_finish): Clear current_sched_info.
11605 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11606 (dump_flow_info): Call it.
11607 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11609 * basic-block.h (dump_bb_info): Declare.
11610 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11611 option, and apply options only for dump files whose TDF_RTL,
11612 TDF_TREE, or TDF_IPA bits match.
11613 * rtl.h: Declare new functions exported from sched-vis.c.
11614 * sched-vis.c: Enable also if scheduling is not used.
11615 (print_value): Print the mode of registers if not inside scheduling.
11616 (print_insn): Make it work outside the scheduler. Beautify the output
11618 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11620 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11622 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11623 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11624 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11625 depending on the value of CONSTANT_POOL_ADDRESS_P.
11626 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11628 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11629 rather than SYMBOL_REF_DECL.
11630 (rtx_constant_pool): Remove const_rtx_sym_htab.
11631 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11632 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11633 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11634 Remove handling of const_rtx_sym_htab.
11635 (find_pool_constant): Delete.
11636 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11637 rather than find_pool_constant.
11638 (get_pool_constant_for_function): Delete.
11639 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11640 find_pool_constant.
11641 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11642 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11643 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11644 (SYMBOL_REF_CONSTANT): New macro.
11645 (get_pool_constant_for_function): Delete.
11646 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11647 rather than SYMBOL_REF_DECL.
11648 (i386_pe_mark_dllimport): Likewise.
11649 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11650 rather than SYMBOL_REF_DECL.
11651 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11652 (machopic_indirect_call_target): Likewise.
11654 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11656 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11658 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11660 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11662 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11664 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11666 2006-01-24 David Daney <ddaney@avtrex.com>
11669 * configure.ac (enable_tls): New enable option.
11670 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11671 * configure: Regenerate.
11672 * doc/install.texi (--enable-tls): Document new option.
11673 (--disable-tls): Ditto.
11675 2006-01-24 Richard Henderson <rth@redehat.com>
11677 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11678 * alias.c (true_dependence): Respect it.
11679 (canon_true_dependence, write_dependence_p): Likewise.
11680 * builtins.c (get_builtin_sync_mem): Set it.
11682 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11684 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11687 2006-01-24 DJ Delorie <dj@redhat.com>
11689 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11690 for storing constants in single-bit bitfields.
11692 2006-01-25 Ben Elliston <bje@au.ibm.com>
11694 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11696 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11699 * tree-ssa-pre.c (phi_translate): Return NULL
11700 for AGGREGATE_TYPE's.
11702 2006-01-24 Zack Weinberg <zackw@panix.com>
11704 * genautomata.c (process_state_for_insn_equiv_partition):
11705 Use xcalloc for insn_arcs_array.
11706 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11707 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11709 2006-01-24 Richard Henderson <rth@redhat.com>
11711 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11712 update all callers.
11714 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11716 PR rtl-optimization/25890
11717 PR rtl-optimization/25905
11718 * combine.c (expand_compound_operation, expand_field_assignment):
11719 Fail if the bitfield's final position is out of bounds.
11721 2006-01-24 Ian Lance Taylor <ian@airs.com>
11723 PR middle-end/25930
11724 * cgraphunit.c (cgraph_output_in_order): Don't clear
11725 cgraph_asm_nodes until after asm strings have been output.
11727 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11729 * fix-header.c (read_scan_file): Add new parameter imultilib when
11730 calling register_include_chains.
11732 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11734 * omp-low.c: Update documentation.
11736 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11737 Daniel Berlin <dberlin@dberlin.org>
11741 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11742 return from the function.
11744 2006-01-22 Zack Weinberg <zackw@panix.com>
11746 * rtl.def (match_code): Add second argument.
11747 * genpreds.c (write_extract_subexp): New function.
11748 (write_match_code): Add path argument. Use write_extract_subexp.
11749 (write_predicate_expr): Pass path to write_match_code.
11750 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11751 not perform a mode test.
11752 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11753 a subexpression does not constrain the top-level code set.
11754 * read-rtl.c (read_rtx_variadic): New function.
11755 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11756 * doc/md.texi: Document new notation.
11757 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11758 (cmpsi_operand): ... here, using new notation.
11760 2006-01-22 Zack Weinberg <zackw@panix.com>
11762 * varray.c: Remove GENERATOR_FILE #ifdefs.
11764 2006-01-22 Zack Weinberg <zackw@panix.com>
11766 * genautomata.c (output_reserved_units_table): Emit nothing if
11767 description->query_units_num is zero. Remove extra blank line.
11768 (output_cpu_unit_reservation_p): Short circuit
11769 if description->query_units_num is zero.
11771 2006-01-22 Zack Weinberg <zackw@panix.com>
11773 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11774 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11775 nor any of the random handful of variables that used to be necessary
11776 when this program was linked with rtlanal.o. Prune set of forward
11777 function declarations.
11778 (struct attr_desc): Remove static_p field.
11779 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11780 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11781 (attr_string): Do not read the character one past the length of
11783 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11784 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11785 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11786 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11787 (make_automaton_attrs): New.
11788 (main): Do not call into genautomata. Call local gen_bypass
11789 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11790 Remove special case for insn_alts.
11791 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11792 varray.h (leftover from previous change). Prune set of forward
11793 function declarations. Remove state_alts fields from all
11794 structures. Remove state_alts_table from struct automaton.
11795 Make everything except main static. Do not maintain num_dfa_decls.
11796 Do not maintain state_alts fields of various structures.
11797 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11798 (add_arc): Remove state_alts argument. All callers updated.
11799 (output_reserved_units_table): Emit #ifdef here...
11800 (output_tables): ...not here. Don't generate state_alts tables.
11801 (expand_automata): Don't generate attributes.
11802 (write_automata): Don't generate state_alts functions.
11803 (main): New function.
11804 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11805 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11806 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11807 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11808 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11809 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11810 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11811 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11813 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11814 * genattrtab.h: Delete file.
11815 * Makefile.in (OBJS-common): Add insn-automata.o.
11816 (insn-automata.o): New rule.
11817 (simple_generated_c): Add insn-automata.c.
11818 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11819 (genprogmd): Add automata.
11820 (build/genattrtab): Needs no extra objects nor libraries.
11821 (build/genautomata): Needs build/vec.o and -lm.
11823 2006-01-22 Zack Weinberg <zackw@panix.com>
11825 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11826 (output_dfa_max_issue_rate, locked_states_num): Delete.
11827 (struct automaton): Add locked_states field.
11828 (output_dead_lock_vect): Save number of locked states in
11829 automaton->locked_states. If it is zero, don't print anything.
11830 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11831 (output_internal_dead_lock_func): Only test the dead_lock_vect
11832 for automata that have locked states.
11833 (output_statistics): Always print the number of locked states for
11834 each automaton. Calculate total number of locked states here.
11835 (write_automata): Don't call output_dfa_max_issue_rate.
11836 * genattrtab.c: Define length_unit_log as a const variable.
11837 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11838 max_insn_queue_index const.
11839 * final.c (length_unit_log): Declare const.
11840 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11842 2006-01-22 Zack Weinberg <zackw@panix.com>
11844 * genautomata.c: Include vec.h, not varray.h.
11845 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11846 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11847 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11848 VEC_* macros operating on appropriately typed vectors, or to
11849 malloced arrays when the size is known in advance. Const-ify
11850 many char* variables and function arguments. No functional changes.
11851 * Makefile.in (build/varray.o): Delete rule.
11852 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11853 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11855 2006-01-22 Zack Weinberg <zackw@panix.com>
11857 * gensupport.c: Define get_insn_name and record_insn_name here.
11858 (read_md_rtx): Call record_insn_name as appropriate.
11859 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11860 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11861 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11863 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11864 (BUILD_VARRAY): Delete.
11865 (genprognormal): Rename genprogmd. Fold in all programs from
11866 genprognoprint; also attrtab.
11867 (build/genattrtab): Just mention genautomata.o and varray.o.
11868 Reorganize a bit, add comments to make the categories clearer.
11870 2006-01-22 Zack Weinberg <zackw@panix.com>
11872 * genconditions.c (condition_table, add_condition): Delete.
11873 (write_conditions): Don't emit n_insn_conditions nor
11874 insn_elision_unavailable. Issue the gcc version #ifdef here,
11875 inside the table, with no #else clause ...
11876 (write_header): ...not here.
11877 (write_writer): New function.
11878 (main): Don't initialize condition_table. Use add_c_test.
11880 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11881 files on the command line.
11882 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11883 Return -1 if there is no entry in the table, don't abort.
11884 (add_c_test, traverse_c_tests): New functions.
11885 * gensupport.h (insn_elision_unavailable, insn_conditions)
11886 (n_insn_conditions): Delete declarations.
11887 (add_c_test, traverse_c_tests): Declare.
11888 * read-rtl.c: Include gensupport.h.
11889 (read_conditions): New function.
11890 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11891 (read_rtx_1): If we get EOF when we were looking for an initial
11892 open paren, return 0. Call read_conditions when appropriate.
11893 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11894 dummy-conditions.o. Eliminate references to insn-conditions.o,
11895 or change them to build/gencondmd.o, as appropriate. Remove
11896 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11897 from $(simple_generated_c). For all files remaining in those
11898 two lists, add insn-conditions.md to the generator command line.
11899 Give insn-constants.h/s-constants their own rules. Add rules
11900 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11901 (build/read-rtl.o): Depend on gensupport.h.
11902 (genprognormal): Include preds.
11903 (genprogearly): Rename genprognoprint; only difference is now that
11904 they don't link with $(BUILD_PRINT).
11905 * dummy-conditions.c: Delete.
11907 2006-01-22 Zack Weinberg <zackw@panix.com>
11909 * genextract.c: Don't include insn-config.h. Do include vec.h.
11910 Declare vectors of int, char, and locstr.
11911 (locstr): New typedef.
11912 (struct extraction): Make all array fields into bare pointers.
11913 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11914 (insn_code_number): Delete.
11915 (accum_extract): New struct.
11916 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11917 (gen_insn): Take insn_code_number as an argument. Use an
11918 accum_extract structure instead of loading data directly into
11919 a struct extraction, and having to know how big it might get.
11920 (walk_rtx): Operate entirely on an accum_extract structure.
11921 (print_path): Avoid unnecessary use of printf.
11922 (print_header): New function, split out of main. Distinguish
11923 more carefully between an unrecognizable insn and an insn that
11924 has the code number of a define_expand.
11925 (main): Pass insn_code_number to gen_insn. Call print_header
11926 only after parsing. Avoid unnecessary use of printf.
11927 * Makefile.in (build/vec.o): New rule.
11928 (build/genextract): Depend on build/vec.o.
11929 (build/genextract.o): Don't depend on insn-config.h.
11931 2006-01-22 Zack Weinberg <zackw@panix.com>
11933 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11934 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11935 practical. Eliminate per-generator-program link rules.
11937 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11939 PR middle-end/24437
11940 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11941 with a call expr to ...
11942 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11944 2006-01-23 Richard Guenther <rguenther@suse.de>
11946 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11947 before make_edge with conditional EDGE_TRUE_VALUE.
11949 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11950 Jan Hubicka <jh@suse.cz>
11951 Richard Guenther <rguenther@suse.de>
11953 PR rtl-optimization/25654
11954 * cfgexpand.c (aggregate_contains_union_type): New function.
11955 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11956 for structure variables that contain a union type.
11958 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11960 * gengtype.c (new_structure): Return the structure.
11961 (create_option): Add an extra "next" argument.
11962 (create_field): New function.
11963 (adjust_field_rtx_def): Use create_option and create_field.
11964 Remove a now-unnecessary call to find_structure.
11965 (adjust_field_tree_def): Likewise.
11966 (note_yacc_type): Remove an unnecessary call to find_structure.
11967 * gengtype.h (new_structure): Return the structure.
11968 (create_option): Add an extra argument.
11969 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11970 (option): Adjust calls to create_option.
11972 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11974 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11976 2006-01-22 Paul Brook <paul@codesourcery.com>
11977 Peter Barada <peter@the-baradas.com>
11979 * config/m68k/m68k.md: Add Coldfire FPU support.
11980 Define FP mode macro and associated attributes.
11981 Use it for float mode patterns.
11982 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11983 (LIBCALL_VALUE): Use m68k_libcall_value.
11984 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11985 (m68k_function_value): Ditto.
11986 (emit_move_sequence): Ditto.
11987 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11988 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11989 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11990 (MULTILIB_EXCEPTIONS): Ditto.
11991 * config/m68k/m68k.opt: Add mcfv4e.
11992 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11993 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11994 (m68k_output_function_prologue): Save ColdFire FPU registers.
11995 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11996 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11997 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11998 ColdFire FPU registers.
11999 (m68k_libcall_value, m68k_function_value): New functions.
12000 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12001 (LIBCALL_VALUE): Use m68k_libcall_value.
12002 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12003 (MASK_COLDFIRE): Add MASK_CFV4E.
12004 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12005 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12006 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12007 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12008 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12009 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12010 * doc/invoke.tex: Document -mcfv4e on m68k.
12012 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12014 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12017 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12020 * c-opts.c (c_common_handle_option): Don't include
12021 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12022 * doc/invoke.texi (C++ Dialect Options): Document that
12023 -Wnon-virtual-dtor is no longer included in -Wall.
12025 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12027 * gcov.c (print_version), gcov-dump.c (print_version),
12028 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12031 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12033 * df-scan.c (problem_SCAN): Added NULL reset function.
12034 (df_scan_reset_blocks): Added code to call reset block function
12035 (df_bb_refs_delete) Fixed comment.
12036 (df_insn_refs_delete): Made tolerant of deleting non existent info
12037 for dataflow problems that need to be reset.
12038 * df-core.c (df_set_blocks): Ditto.
12039 * df.h (struct df_problem): Added reset_fun.
12040 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12041 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12042 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12043 functions to clear out all references to def-use or use-def chains.
12045 2006-01-21 Ben Elliston <bje@au.ibm.com>
12047 * varasm.c (assemble_real): Initialise data array.
12049 2006-01-20 Paul Brook <paul@codesourcery.com>
12051 Merge from csl-arm-branch.
12052 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12053 * config/arm/arm.md (movdi): Force operands[1] to a register
12054 if we have a non-register source.
12055 (*arm_movdi, *movdf_soft_insn): Require that one of the
12056 operands be a register.
12057 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12058 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12060 2006-01-20 DJ Delorie <dj@redhat.com>
12062 * varasm.c (initializer_constant_valid_p): Allow pointers
12063 initialized from integer constants of lesser precision.
12064 (output_constant): Allow non-int-sized pointer modes to be
12065 initialized from integer constants.
12067 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12070 * cppdefault.h (struct default_include): Add multilib flag.
12071 * cppdefault.c (cpp_include_defaults): Set it.
12072 * c.opt (-imultilib): New option.
12073 * c-opts.c (imultilib): New.
12074 (c_common_handle_option): Handle -imultilib.
12075 (c_common_post_options): Likewise.
12076 * c-incpath.c (add_standard_paths, register_include_chains):
12078 * c-incpath.h (register_include_chains): Add extra parameter.
12079 * gcc.c (do_spec_1): Generate -imultilib option.
12080 (The Specs Language): Update %I description.
12081 (process_command): Update copyright notice.
12082 * doc/cppopts.texi (-imultilib): Document.
12083 * doc/invoke.texi (-imultilib): Include in option summary.
12084 (%I): Update specs documentation.
12086 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12088 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12090 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12092 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12095 2006-01-20 Richard Guenther <rguenther@suse.de>
12096 Steven Bosscher <stevenb.gcc@gmail.com>
12098 PR rtl-optimization/24626
12099 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12100 EDGE_TRUE_VALUE if in RTL mode.
12103 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12104 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12106 2006-01-20 Dirk Mueller <dmueller@suse.com>
12109 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12110 instead of a special NOP marker.
12111 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12112 NOP marker handling.
12113 * c-common.h (empty_body_warning): Add forward declaration.
12114 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12115 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12117 2006-01-20 Paul Brook <paul@codesourcery.com>
12119 * Makefile.in (lang_checks): Keep going if mkdir fails.
12121 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12123 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12124 be able to clean out basic block when not necessary.
12125 (df_scan_free): Fixed to properly delete information if df is
12126 unused before calling df_finish.
12127 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12128 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12130 (df_bb_refs_delete): New function.
12131 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12132 * df-core.c (df_set_blocks): Added code to properly clean out
12133 unused blocks if they are not part of the blocks to consider.
12134 Added additional null check.
12135 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12136 be able to clean out basic block when not necessary
12137 * df.h (df_free_bb_function): Ditto.
12138 (df_bb_refs_delete): New function.
12139 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12140 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12141 basic block parameter to be able to clean out basic block when not
12143 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12144 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12145 Fixed to properly delete information if df is unused before
12148 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12150 PR rtl-optimization/25799
12151 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12152 Corrected confluence operator to remove bits from op2 before oring
12153 with op1 rather than removing bits from op1.
12154 (df_ru_transfer_function): Corrected test on wrong bitmap which
12155 caused infinite loop. Both of these problems were introduced in
12156 the dataflow rewrite.
12158 2006-01-19 DJ Delorie <dj@redhat.com>
12160 * reload1.c (find_reload_regs): Note the details of reload
12161 failures in the dump file.
12162 (spill_failure): Likewise.
12164 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12166 * loop-iv.c: Include df.h and hashtab.h.
12167 (enum iv_grd_result): New enum.
12168 (DF_REF_IV, DF_REF_IV_SET): New macros.
12169 (struct biv_entry): New.
12170 (df, bivs): New global variables.
12171 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12172 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12174 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12175 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12176 analyzed_for_bivness_p, record_biv): New functions.
12177 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12178 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12179 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12181 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12183 (iv_number_of_iterations): Use new interface to iv analysis.
12184 * loop-unroll.c: Do not include varray.h.
12185 (analyze_iv_to_split_insn): Use new interface to iv
12187 * loop-unswitch.c (may_unswitch_on): Ditto.
12188 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12190 (df_bb_modify): Realloc tables to the new index.
12191 (df_find_use): New function.
12192 * df.h (df_find_use): Declare.
12193 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12195 * cfgloop.h (struct rtx_iv): Remove analysed field.
12196 (iv_get_reaching_def): Removed.
12197 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12198 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12199 (loop-iv.o): Add df.h and hashtab.h dependency.
12200 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12202 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12205 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12207 (__floatundisf, __floatundidf): Likewise.
12208 * libgcc2.h (IS_IBM_EXTENDED): Define.
12210 2006-01-19 DJ Delorie <dj@redhat.com>
12212 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12214 2006-01-19 Paul Brook <paul@codesourcery.com>
12216 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12217 as nothrow when unwinding tables are disabled.
12219 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12222 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12223 of bit-field" when in system header.
12225 2006-01-19 DJ Delorie <dj@redhat.com>
12227 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12228 the 16 bit shift limit of the m16c.
12230 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12233 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12234 * config/i386/i386.c (output_set_got): Output the label if we have one
12235 for the TARGET_DEEP_BRANCH_PREDICTION case.
12237 2006-01-19 Jan Hubicka <jh@suse.cz>
12238 H.J. Lu <hongjiu.lu@intel.com>
12239 Evandro Menezes <evandro.menezes@amd.com>
12241 * invoke.texi (generic): Document
12243 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12244 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12245 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12246 (x86_use_incdec, x86_pad_returns): New variables
12247 (TARGET_CPU_DEFAULT_generic): New constant
12248 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12249 (enum processor_type): Add generic32 and generic64.
12250 * i386.md (cpu attribute): Add generic32/generic64
12251 (movhi splitter): Behave sanely when both partial_reg_dependency and
12252 partial_reg_stall are set.
12253 (K8 splitters): Enable for generic as well.
12254 * predicates.md (incdec_operand): Use TARGET_INCDEC
12255 (aligned_operand): Avoid memory mismatch stalls.
12256 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12257 * ppro.md: Enable for generic32
12258 * i386.c (generic64_cost, generic32_cost): New.
12259 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12260 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12261 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12262 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12263 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12264 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12265 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12266 x86_accumulate_outgoing_args, x86_prologue_using_move,
12267 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12268 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12269 Enable for generic.
12270 (x86_use_incdec, x86_pad_returns): New.
12271 (override_options): Add generic32 and generic64, translate "generic"
12272 to generic32/generic64 and "i686" to "generic32", refuse
12273 "generic32"/"generic64" as arch target.
12274 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12275 (ix86_reorg): Honor PAD_RETURNS.
12277 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12279 * tree-pretty-print.c (dump_generic_node): Handle
12280 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12281 * cgraph.c (cgraph_expand_queue): Rename from
12282 cgraph_analyze_queue. Update all users.
12283 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12284 cgraph_expand_queue.
12285 (cgraph_expand_all_functions): Likewise.
12286 (cgraph_finalize_pending_functions): Remove. Update callers.
12288 * tree.h (OMP_DIRECTIVE_P): Define.
12289 (OMP_PARALLEL_FN): Define.
12290 (OMP_PARALLEL_DATA_ARG): Define.
12291 (OMP_SECTIONS_SECTIONS): Define.
12292 * tree-pass.h (pass_expand_omp): Declare.
12293 * omp-low.c (struct omp_region): Declare.
12294 (struct omp_context): Remove fields 'parallel_type',
12295 'parallel_start_ix' and 'parallel_start_additional_args'.
12297 (struct omp_for_data): Rename from struct expand_omp_for_data.
12298 (omp_regions): New static variable.
12299 (root_omp_region): New static variable.
12300 (find_omp_clause): Make static.
12301 (is_in_combined_parallel_ctx): Remove.
12302 (is_combined_parallel): New.
12303 (extract_omp_for_data): Move earlier in the file.
12304 (workshare_safe_to_combine_p): New.
12305 (get_ws_args_for): New.
12306 (determine_parallel_type): Move earlier in the file.
12307 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12309 (omp_copy_decl): Likewise.
12310 (create_omp_child_function): Likewise.
12311 (lookup_omp_region): New.
12312 (dump_omp_region): New.
12313 (debug_omp_region): New.
12314 (debug_all_omp_regions): New.
12315 (new_omp_region): New.
12316 (scan_omp_parallel): If parallel_nesting_level > 1, the
12317 directive is nested within another parallel directive.
12318 Set OMP_PARALLEL_FN.
12319 (scan_omp_for): Do not try to handle combined parallel+for
12321 Remove FIXME comment.
12322 (scan_omp_nested): Remove.
12323 (scan_omp_1): Do not call scan_omp_nested when
12324 parallel_nesting_level is > 1.
12325 Do not change the DECL_CONTEXT of local variables found.
12326 (lookup_decl_in_outer_ctx): New.
12327 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12328 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12329 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12330 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12331 If CTX is nested, lookup VAR in the outer context when
12332 building copy assignment.
12333 (lower_send_clauses): Rename from expand_send_clauses.
12334 If CTX is nested, lookup VAR in the outer context when
12335 building copy assignments.
12336 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12337 If CTX is nested, lookup VAR in the outer context when
12338 building copy assignments.
12339 (expand_parallel_call): Rename from build_parallel_call.
12340 Handle combined parallel+workshare cases.
12341 Re-implement to emit code into the CFG.
12343 (expand_omp_parallel): Re-implement to emit code into the CFG.
12344 Call move_sese_region_to_fn to outline the sub-graph
12345 containing the parallel region.
12346 (expand_omp_for_1): Remove.
12347 (expand_omp_for_generic): Re-implement to emit code into the
12349 (expand_omp_for_static_nochunk): Likewise.
12350 (expand_omp_for_static_chunk): Likewise.
12351 (expand_omp_for): Likewise.
12352 (expand_omp_sections): Likewise.
12353 (remove_exit_barriers): New.
12354 (expand_omp_synch): New.
12356 (build_omp_regions_1): New.
12357 (build_omp_regions): New.
12358 (execute_expand_omp): New.
12359 (gate_expand_omp): New.
12360 (pass_expand_omp): Define.
12361 (lower_omp_sections): Rename from expand_omp_sections.
12362 Set OMP_SECTIONS_SECTIONS.
12363 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12364 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12365 (lower_omp_single): Rename from expand_omp_simple.
12366 (lower_omp_master): Rename from expand_omp_master.
12367 (lower_omp_ordered): Rename from expand_omp_ordered.
12368 (lower_omp_critical): Rename from expand_omp_critical.
12369 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12370 (lower_omp_for): Re-implement.
12371 (lower_omp_parallel): Re-implement.
12372 (lower_regimplify): Rename from expand_regimplify.
12373 (lower_omp_1): Rename from expand_omp_1.
12374 If there are syntax errors in the program, replace every
12375 OpenMP directive with NOP.
12376 Call lower_omp_* instead of expand_omp_*.
12377 (lower_omp): Rename from expand_omp.
12379 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12380 * tree-gimple.h (enum omp_parallel_type): Remove.
12381 (gimple_boolify): Declare extern.
12382 (find_omp_clause, determine_parallel_type): Remove.
12384 * gimple-low.c (lower_omp_directive): New.
12385 (lower_stmt): Call it.
12386 (record_vars_into): Move from ...
12387 (record_vars): ... here.
12388 Call record_vars_into with current_function_decl.
12390 * gimplify.c (struct gimplify_ctx): Remove fields
12391 combined_pre_p and combined_ctxp. Update users.
12392 (get_formal_tmp_var): Add documentation.
12393 (gimple_boolify): Make extern.
12394 (gimplify_expr_in_ctx): Remove. Update callers.
12395 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12396 will always be a BIND_EXPR.
12397 (gimplify_expr): Handle OMP_RETURN_EXPR.
12398 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12399 (OMP_PARALLEL): Add 3 operands.
12400 (OMP_SECTIONS): Add 1 operand.
12401 (OMP_RETURN_EXPR): Define.
12403 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12404 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12405 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12406 creating a circular free list.
12407 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12409 * tree-flow.h (move_sese_region_to_fn): Declare.
12410 (record_vars_into): Declare.
12411 * tree-cfg.c (make_omp_sections_edges): New.
12412 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12413 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12414 OMP_SECTIONS and OMP_SECTION.
12415 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12416 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12417 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12418 (gather_blocks_in_sese_region): New.
12419 (struct move_stmt_d): Declare.
12420 (move_stmt_r): New.
12421 (move_block_to_fn): New.
12422 (move_sese_region_to_fn): New.
12424 * passes.c (init_optimization_passes): Schedule
12425 pass_expand_omp after pass_init_datastructures.
12427 * tree-ssa-operands.c (get_expr_operands): Handle
12428 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12429 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12431 2006-01-19 Jeff Law <law@redhat.com>
12433 * tree-vrp.c (extract_range_from_assert): Refine the result range
12434 if the variable referenced by the ASSERT_EXPR has a range and
12435 either the tentative result range or the previous range is a
12438 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12440 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12442 2006-01-19 Jan Hubicka <jh@suse.cz>
12444 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12446 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12448 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12449 (expand_compound_operation, expand_field_assignment): Fail if the
12450 bit lengths of an extract operation are out of range.
12451 (make_extraction): Compute wanted_inner_mode based on the position
12452 and length of the extraction. Make it extraction_mode for non-constant
12453 positions, and do not modify offset in that case. When generating a
12454 new MEM, use a mode that can hold the extraction while keeping correct
12455 alignment. Remove code that supported MEMs wrapped by USEs.
12456 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12458 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12460 * config/s390/s390.md ("Y", "y"): New mode attribute.
12461 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12462 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12463 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12464 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12465 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12466 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12467 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12468 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12469 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12470 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12471 "addsi3", "subsi3"): Insn patterns removed.
12472 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12473 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12474 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12475 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12476 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12477 "*sub<mode>3_cconly2"): New insn patterns.
12478 ("addsi3", "subsi3"): New expanders.
12480 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12482 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12483 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12484 existing STMT_VINFO_VECTYPE if available.
12485 (vect_mark_relevant): Add special handling for stmts that are
12486 marked as STMT_VINFO_IN_PATTERN_P.
12487 (vect_analyze_loop): Call vect_pattern_recog.
12488 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12489 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12491 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12492 (vect_recog_func_ptr): New function-pointer type.
12493 * tree-vect-patterns.c: New file.
12494 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12495 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12496 (vect_pattern_recog_1): New functions.
12497 (vect_pattern_recog_funcs): New array of function pointers.
12499 * tree-vectorizer.h (ternary_op): New enum value.
12500 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12501 declaration. Revised documentation. Removed redundant dump prints.
12502 Removed redundant argument. Added support for reduction patterns.
12503 (vectorizable_reduction): Added support for reduction patterns.
12504 (vect_transform_stmt): Added support for patterns.
12506 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12507 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12508 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12509 (expand_widen_pattern_expr): New function.
12510 (init_optabs): Initialize new optabs udot_prod_optab,
12512 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12513 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12514 (expand_widen_pattern_expr): New function declaration.
12515 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12517 * tree-inline.c (estimate_num_insns_1): Added cases for new
12518 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12519 * tree-pretty-print.c (dump_generic_node): Likewise.
12520 (op_prio): Likewise.
12521 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12522 * tree-ssa-operands.c (get_expr_operands): Added case for
12524 * tree-vect-patterns.c (widened_name_p): New function.
12525 (vect_recog_dot_prod_pattern): Added function implementation.
12526 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12527 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12528 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12529 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12531 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12532 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12533 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12534 (init_optabs): Initialize new optabs widen_ssum_optab,
12536 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12537 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12538 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12539 use instead of type of def.
12540 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12541 function implementation.
12542 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12543 widen_ssumv8hi): New.
12545 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12548 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12551 * c-decl.c (add_flexible_array_elts_to_size): New function.
12552 (finish_decl): Use it.
12554 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12556 * diagnostic.h: Include options.h.
12557 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12558 dependancies for diagnostic.h.
12559 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12561 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12563 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12564 (ssa_ro_call_cache_valid): Ditto.
12565 * tree-ssa-alias.c (sort_tags_by_id): New function.
12566 (init_transitive_clobber_worklist): Ditto.
12567 (add_to_worklist): Ditto.
12568 (mark_aliases_call_clobbered): Ditto.
12569 (compute_tag_properties): Ditto.
12570 (set_initial_properties): Ditto.
12571 (compute_call_clobbered): Ditto.
12572 (compute_may_aliases): Call compute_call_clobbered and grouping.
12573 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12574 (compute_flow_insensitive_aliasing): Grouping now happens in our
12576 (setup_pointers_and_addressables): Remove clobbering related code.
12577 (add_may_alias): Ditto.
12578 (replace_may_alias): Ditto.
12579 (get_nmt_for): Ditto.
12580 (create_global_var):
12581 (is_escape_site): Return an escape_type enumeration.
12582 * tree-flow-inline.h (is_call_clobbered): Global var does not
12583 imply call clobbered.
12584 (mark_call_clobbered): Take a reason for marking this. Remove
12585 marking of globalness, and cache invalidation.
12586 (clear_call_clobbered): Remove cache invalidation code.
12587 * tree-dfa.c (dump_variable): If details is on, dump the reason
12589 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12591 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12592 (struct var_ann_d): Ditto.
12593 (enum escape_type): New.
12594 (mark_call_clobbered): Adjust prototype.
12595 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12596 are never call clobbered.
12597 Record reasons for escaping.
12598 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12599 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12600 (ssa_ro_call_cache_valid): Ditto.
12601 (clobbered_v_may_defs): Ditto.
12602 (clobbered_vuses): Ditto.
12603 (ro_call_vuses): Ditto.
12604 (clobber_stats): New.
12605 (init_ssa_operands): Zero out clobber stats.
12606 (fini_ssa_operands): Print out clobber stats.
12607 (get_call_expr_operands): Pass callee fndecl to
12608 add_call_read_ops).
12609 (add_call_clobber_ops): Remove use of cache.
12610 Add use of PURE_CONST information.
12611 (add_call_read_ops): Remove use of cache.
12612 Add use of static not_read information.
12614 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12616 Introduce TLS descriptors for i386 and x86_64.
12617 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12618 (TARGET_ANY_GNU_TLS): New macro.
12619 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12620 (struct machine_function): Add tls_descriptor_call_expanded_p.
12621 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12622 (ix86_current_function_calls_tls_descriptor): Likewise.
12623 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12624 (override_options): Introduce gnu2 tls dialect.
12625 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12627 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12629 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12630 (ix86_init_machine_status): Initialize new field.
12631 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12632 (ix86_tls_module_base): New.
12633 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12634 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12635 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12636 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12637 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12638 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12639 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12640 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12641 * config/i386/predicates.md (tls_modbase_operand): New.
12642 (tp_or_register_operand): New.
12644 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12646 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12647 (look_for_address_of): Ditto.
12648 (ipa_init): Walk the function decls.
12649 (static_execute): Don't set readonly on FUNCTION_DECL's.
12651 2006-01-18 Roger Sayle <roger@eyesopen.com>
12653 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12654 for shifts where the source and destination registers are different.
12656 2006-01-18 Paul Brook <paul@codesourcery.com>
12658 Merge from csl-arm-branch.
12659 2005-03-14 Julian Brown <julian@codesourcery.com>
12660 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12661 (aeabi_llsl): Likewise.
12662 (ashrdi3): Likewise.
12663 (aeabi_lasr): Likewise.
12664 (lshrdi3): Likewise.
12665 (aeabi_llsr): Likewise.
12666 2005-03-10 Julian Brown <julian@codesourcery.com>
12667 * config.gcc: Disable shared libgcc for SymbianOS.
12668 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12670 2006-01-18 DJ Delorie <dj@redhat.com>
12672 * c-pragma.c (handle_pragma_diagnostic): New.
12673 (init_pragma): Register it.
12674 * doc/extend.texi: Document it.
12676 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12677 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12678 (diagnostic_context): Add classify_diagnostic[].
12679 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12680 as errors if they're overridden to DK_WARNING.
12681 (diagnostic_initialize): Initialize classify_diagnostic[].
12682 (diagnostic_set_kind_override): New.
12683 (diagnostic_report_diagnostic): Check for kind changes.
12684 * opts.c (common_handle_option): Take lang_mask. Update callers.
12685 Handle OPT_Werror_.
12686 * common.opt (Werror=): New.
12687 * doc/invoke.texi: Document -Werror=*
12689 2006-01-18 Jeff Law <law@redhat.com>
12691 * tree-vrp.c (test_for_singularity): Correct test for new
12692 min limit. Use operand_equal_p rather than pointer equality
12693 for testing if new min/max values are equal.
12695 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12696 using range information until after propagation and folding.
12698 2006-01-18 Richard Henderson <rth@redhat.com>
12699 Aldy Hernandez <aldyh@redhat.com>
12700 Jakub Jelinek <jakub@redhat.com>
12701 Diego Novillo <dnovillo@redhat.com>
12703 * omp-low.c: New file.
12704 * c-omp.c: New file.
12706 2006-01-18 Richard Henderson <rth@redhat.com>
12707 Jakub Jelinek <jakub@redhat.com>
12708 Diego Novillo <dnovillo@redhat.com>
12710 * doc/invoke.texi: Document -fopenmp.
12711 * tree-dump.h (debug_function): Declare.
12712 * hooks.c (hook_bool_tree_bool_false): New function.
12713 (hook_tree_tree_null): Remove.
12714 (hook_tree_tree_tree_null): New.
12715 * hooks.h: Update to match.
12716 * tree-pretty-print.c (debug_tree_chain): New.
12717 (print_generic_expr): Handle TDF_CHAIN.
12718 (dump_generic_node): Handle BLOCK.
12719 Do not abort with incomplete SWITCH_EXPRs.
12720 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12721 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12722 print space after directive name.
12723 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12724 Handle OMP_MASTER and OMP_ORDERED.
12725 Handle printing of OMP_BODY just in one place, goto
12726 dump_omp_body in the rest of OMP_* nodes that have
12728 Don't handle clause nodes here. Update omp statements to
12729 use dump_omp_clauses.
12730 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12731 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12732 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12733 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12734 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12735 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12736 Adjust output for GOMP_PARALLEL.
12737 (dump_omp_clauses): New.
12738 (print_declaration): Dump DECL_VALUE_EXPR.
12739 (op_symbol_1): Split out of op_symbol.
12740 (dumping_stmts): Remove. Update all users.
12741 * cgraph.c (cgraph_analyze_queue): New.
12742 (cgraph_add_new_function): New.
12743 * cgraph.h (cgraph_analyze_queue): Declare.
12744 (cgraph_add_new_function): Declare.
12745 (cgraph_lower_function): Remove.
12746 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12747 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12748 and TYPE_P nodes in its default clause.
12749 (empty_body_p): New.
12750 (tree_range_check_failed): New.
12751 (build5_stat): New.
12752 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12753 OMP_CLAUSE_REDUCTION_MERGE,
12754 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12755 OMP_CLAUSE_PRIVATE_DEBUG,
12756 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12757 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12758 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12759 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12760 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12761 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12762 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12763 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12764 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12765 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12766 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12767 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12768 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12769 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12770 (TREE_RANGE_CHECK): New.
12771 (empty_body_p): Declare.
12772 (enum omp_clause_default_kind): New.
12773 (build_string_literal): Declare.
12774 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12775 (build5_stat, build5): Declare.
12776 * tree-pass.h (TDF_CHAIN): Define.
12777 * tree-pass.h (PROP_gimple_lomp): Define.
12778 (pass_lower_omp): Declare.
12779 * diagnostic.h (debug_tree_chain): Declare.
12780 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12782 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12783 * builtins.c (build_string_literal): Make extern.
12784 * gcc.c (include_spec_function): New.
12785 (static_spec_functions): Add it.
12786 (main): Move load of libgomp.spec ...
12787 (LINK_COMMAND_SPEC): ... here.
12788 (link_gomp_spec): New.
12789 (static_specs): Include it.
12790 (LINK_COMMAND_SPEC): Add link_gomp.
12791 (GOMP_SELF_SPECS): New.
12792 (driver_self_specs): Include it.
12793 (switch_matches): Don't mark inline.
12794 (main): Load libgomp.spec.
12795 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12796 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12797 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12798 * tree-gimple.h (enum omp_parallel): Declare.
12799 (determine_parallel_type): Declare.
12800 (omp_firstprivatize_variable): Declare.
12801 (omp_reduction_init): Declare.
12802 (diagnose_omp_structured_block_errors): Declare.
12803 (struct walk_stmt_info): Add want_return_expr.
12804 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12805 (find_omp_clause): Declare.
12806 (insert_field_into_struct): Declare.
12807 (struct walk_stmt_info): Move from tree-nested.c
12808 (walk_stmts): Declare.
12809 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12811 * cgraphunit.c (cgraph_lower_function): Make static.
12812 (cgraph_finalize_pending_functions): New.
12813 (cgraph_finalize_function): Call it.
12814 (cgraph_finalize_compilation_unit): Likewise.
12815 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12816 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12817 (BT_FN_UINT_UINT): New.
12818 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12819 DEF_FUNCTION_TYPE_VAR_4): Document.
12820 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12821 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12822 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12823 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12824 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12825 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12826 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12827 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12828 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12829 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12830 into separate files.
12831 (DEF_GOMP_BUILTIN): New.
12832 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12833 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12834 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12835 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12836 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12837 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12838 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12839 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12840 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12841 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12842 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12843 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12844 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12845 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12846 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12847 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12848 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12849 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12850 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12851 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12852 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12853 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12854 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12855 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12856 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12857 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12858 * sync-builtins.def: New file, moved from builtins.def.
12859 * omp-builtins.def: New file, moved from builtins.def.
12860 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12861 * gimple-low.c (lower_function_body): Clear data.
12862 (lower_stmt): Do not handle COMPOUND_EXPR.
12863 Remove call to print_node_brief.
12864 * c-tree.h (c_finish_omp_clauses): New prototype.
12865 (C_DECL_THREADPRIVATE_P): Define.
12866 (lookup_name_no_remap, c_omp_remap_private): Remove
12867 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12868 (check_for_loop_decls): Update decl.
12869 (lookup_name_no_remap, c_omp_remap_private): Declare.
12870 (build_indirect_ref, build_modify_expr, pushdecl,
12871 pushdecl_top_level): Move to c-common.h.
12872 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12873 before the switch, but just in the 2 places that need it.
12874 * c-decl.c (diagnose_mismatched_decls): Do not check for
12875 mismatched thread-local attributes when OLDDECL is marked
12876 threadprivate and NEWDECL has no thread-local attributes.
12877 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12878 (c_gimple_diagnostics_recursively): Rename from
12879 c_warn_unused_result_recursively. Invoke
12880 diagnose_omp_structured_block_errors.
12881 (check_for_loop_decls): Return a singular decl found.
12882 * langhooks.c (lhd_omp_predetermined_sharing): Return
12883 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12884 (lhd_omp_firstprivatize_type_sizes): New.
12885 (lhd_omp_assignment): New.
12886 (lhd_omp_predetermined_sharing): New.
12887 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12888 (struct lang_hooks_for_types): Add
12889 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12890 omp_predetermined_sharing, omp_disregard_value_expr,
12891 omp_private_debug_clause, omp_clause_default_ctor,
12892 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12893 (c_finish_omp_clauses): New.
12894 (c_finish_bc_stmt): Diagnose break within omp for.
12895 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12896 (build_unary_op): Return error_mark after reporting
12898 (build_modify_expr): Likewise.
12899 * gimplify.c: Include optabs.h and pointer-set.h.
12900 (enum gimplify_omp_var_data): Declare.
12901 (struct gimplify_omp_ctx): Declare.
12902 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12904 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12905 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12906 (splay_tree_compare_decl_uid): New.
12907 (new_omp_context): New.
12908 (delete_omp_context): New.
12909 (gimple_add_tmp_var): Call omp_add_variable.
12910 (gimplify_bind_expr): Likewise.
12911 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12912 true, disregard DECL_VALUE_EXPR on the decl if any.
12913 (gimplify_expr_in_ctx): New.
12914 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12915 omp_add_variable, omp_notice_variable, omp_is_private
12916 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12917 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12918 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12919 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12920 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12921 gimplify_omp_atomic): New.
12922 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12923 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12924 OMP_CRITICAL and OMP_ATOMIC.
12925 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12926 * c-pragma.h (enum pragma_kind): Add
12927 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12928 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12929 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12930 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12931 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12932 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12933 PRAGMA_OMP_THREADPRIVATE.
12934 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12935 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12936 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12937 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12938 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12939 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12940 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12941 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12942 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12943 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12944 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12945 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12946 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12948 (struct nesting_info): Add field_map,
12949 suppress_expansion, debug_var_chain.
12950 (create_nesting_tree): Initialize them.
12951 (lookup_field_for_decl): Use field_map.
12952 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12953 (convert_local_omp_clauses): New.
12954 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12955 (walk_body): Split out of walk_function.
12956 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12957 (convert_nonlocal_reference): Handle omp statements.
12958 (convert_local_reference): Likewise.
12959 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12960 (unnest_nesting_tree): New.
12961 (lower_nested_functions): Call it.
12962 (insert_field_into_struct): Make extern.
12963 (struct walk_stmt_info): Move to tree-gimple.h.
12964 (walk_stmts): Make extern.
12965 * omp-builtins.def: New file.
12966 * tree-iterator.c (expr_only): Clarify comment.
12967 * c-common.h (pushdecl_top_level, pushdecl,
12968 build_modify_expr, build_indirect_ref,
12969 c_finish_omp_master, c_finish_omp_critical,
12970 c_finish_omp_ordered, c_finish_omp_barrier,
12971 c_finish_omp_atomic, c_finish_omp_flush,
12972 c_finish_omp_for, c_split_parallel_clauses,
12973 omp_clause_default_kind, c_omp_sharing_predetermined,
12974 c_omp_remap_decl): Declare.
12975 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12976 (OBJS-common): Add omp-low.o.
12977 (c-omp.o, omp-low.o): Add.
12978 (gimplify.o): Add dependency on $(OPTABS_H).
12979 (GTFILES): Add omp-low.c.
12980 (gt-stringpool.h): Add.
12981 * tree-cfg.c (set_bb_for_stmt): Do not update the
12982 block-to-labels map if we are currently expanding to RTL.
12983 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12985 Handle IDENTIFIER_NODE.
12986 (tree_verify_flow_info): Do not ICE when emitting error
12987 messages about invalid labels.
12988 (dump_function_to_file): Reset CFUN before emitting the body
12990 (debug_function): New.
12991 * passes.c (init_optimization_passes): Schedule
12993 * langhooks-def.h (lhd_omp_predetermined_sharing,
12994 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12996 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12997 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12998 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12999 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13000 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13001 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13002 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13003 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13004 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13005 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13006 (LANG_HOOK_DECLS): Use them.
13008 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13009 Richard Henderson <rth@redhat.com>
13010 Jakub Jelinek <jakub@redhat.com>
13011 Diego Novillo <dnovillo@redhat.com>
13013 * c-parser.c (pragma_omp_clause): Define.
13014 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13015 (c_parser_compound_statement): Likewise.
13016 (c_parser_statement): Likewise.
13017 (c_parser_pragma): Handle omp pragmas.
13018 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13019 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13020 (c_parser_omp_clause_name, check_no_duplicate_clause,
13021 c_parser_omp_variable_list,
13022 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13023 c_parser_omp_clause_copyprivate,
13024 c_parser_omp_clause_default,
13025 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13026 c_parser_omp_clause_lastprivate,
13027 c_parser_omp_clause_nowait,
13028 c_parser_omp_clause_num_threads,
13029 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13030 c_parser_omp_clause_reduction,
13031 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13032 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13033 c_parser_omp_atomic, c_parser_omp_barrier,
13034 c_parser_omp_critical, c_parser_omp_flush,
13035 c_parser_omp_for_loop, c_parser_omp_for,
13036 c_parser_omp_master, c_parser_omp_ordered,
13037 c_parser_omp_sections_scope, c_parser_omp_sections,
13038 c_parser_omp_parallel, c_parser_omp_single,
13039 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13040 * c-pragma.c (init_pragma): Do omp pragma registration here.
13041 * c.opt (fopenmp): New flag.
13043 2006-01-18 Eric Christopher <echristo@apple.com>
13045 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13046 * config/darwin.h (GOMP_SELF_SPECS): Define.
13048 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13050 * rtl.h: Remove the prototype for reg_alloc.
13052 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13055 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13056 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13057 sjlj and dwarf2 exception handling.
13058 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13059 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13060 * pa/pa.c (function_value): Treat complex and vector types as
13062 (function_arg): Likewise. Only pass scalar floats in the floating
13063 point argument registers.
13064 * pa/t-slibgcc-dwarf-ver: New file.
13065 * pa/t-slibgcc-sjlj-ver: New file.
13066 * pa/t-slibgcc-elf-ver: Delete file.
13068 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13070 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13071 unlikely_test_section_p test.
13073 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13075 * mode-switching.c (optimize_mode_switching): Make it static.
13076 * basic-block.h: Remove the prototype for
13077 optimize_mode_switching.
13079 * modulo-sched.c (sms_schedule): Make it static.
13080 * rtl.h: Remove the prototype for sms_schedule.
13082 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13083 * rtl.h: Remove the prototype for gcse_after_reload_main.
13085 * reg-stack.c (reg_to_stack): Make it static.
13086 * rtl.h: Remove the prototype for reg_to_stack.
13088 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13090 * rtl.h: Remove the prototypes for regrename_optimize and
13091 copyprop_hardreg_forward.
13093 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13095 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13096 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13097 Test against the appropriate null constant for the mode.
13098 If 'fixup_overlap' is true, swap the operands if they overlap.
13099 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13100 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13101 alpha_split_tmode_pair and adjust for above change.
13102 * config/alpha/alpha.md (movtf_internal): Adjust call to
13103 alpha_split_tfmode_pair and rely on it to swap the operands.
13104 (movti_internal): New insn and post-reload splitter.
13105 (movti): New expander.
13107 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13109 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13112 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13114 * rtlanal.c (global_reg_mentioned_p_1,
13115 global_reg_mentioned_p): Remove.
13116 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13118 * flow.c (initialize_uninitialized_subregs): Make it static.
13119 * rtl.h: Remove the prototype for
13120 initialize_uninitialized_subregs.
13122 * function.c (instantiate_virtual_regs): Make it static.
13123 * function.h: Remove the prototype for
13124 instantiate_virtual_regs.
13126 * regmove.c (regmove_optimize, combine_stack_adjustments):
13128 * rtl.h: Remove the prototypes for regmove_optimize and
13129 combine_stack_adjustments.
13131 2006-01-17 Roger Sayle <roger@eyesopen.com>
13133 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13134 (size_cost): Encode costs in bytes so that a reg-reg addition is
13135 equivalent to COSTS_N_INSNS(1).
13136 (override_options): Use the size_cost.branch_cost as the default
13137 ix86_branch_cost when optimizing for size.
13139 2006-01-18 Ben Elliston <bje@au.ibm.com>
13141 * Makefile.in (D32PBIT_FUNCS): New.
13142 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13143 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13144 D64PBIT_FUNCS and D128PBIT_FUNCS.
13145 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13146 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13148 (decnumber_dep): Define.
13149 * doc/libgcc.texi (Decimal float library routines): New node.
13150 * config/dfp-bit.h, config/dfp-bit.c: New files.
13152 2006-01-18 Ben Elliston <bje@au.ibm.com>
13154 * expr.c (emit_move_change_mode): Always adjust addresses, not
13155 just during reload. Copy replacements only during reload.
13156 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13157 emit_move_via_integer.
13159 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13161 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13162 instead of $(srcdir) and ${srcdir}.
13164 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13167 PR middle-end/11135
13168 * arm.h (struct machine_function): Add pic_reg.
13169 * arm.c (arm_pic_register): Make unsigned.
13170 (arm_override_options): Only set arm_pic_register if
13171 TARGET_SINGLE_PIC_BASE.
13172 (use_return_insn): Only test for a pic register if it is fixed.
13173 (arm_compute_save_reg0_reg12_mask): Likewise.
13174 (thumb_compute_save_reg_mask): Likewise.
13175 (legitimate_pic_operand): Factor out some known invariants.
13176 (legitimize_pic_address): If we don't have a fixed pic register,
13177 then set up a pseudo in the function entry sequence. Handle the
13178 pic base being in a pseudo.
13179 (arm_load_pic_register): Handle the pic register being in a pseudo.
13180 (arm_expand_prologue): Only set up the pic register if it is fixed.
13181 (thumb_expand_prologue): Likewise.
13182 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13183 (pic_load_addr_based_insn): Likewise.
13184 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13187 2006-01-18 Ben Elliston <bje@au.ibm.com>
13189 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13190 decimal float modes for all floating point registers.
13192 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13193 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13195 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13198 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13199 even when the pointer is not NULL.
13201 2006-01-16 Ian Lance Taylor <ian@airs.com>
13203 * common.opt (ftoplevel-reorder): New option.
13204 * cgraph.c (cgraph_asm_nodes): New global variable.
13205 (cgraph_asm_last_node): New static variable.
13206 (cgraph_order): New global variable.
13207 (cgraph_create_node): Set new order field.
13208 (cgraph_varpool_node): Likewise.
13209 (decide_is_variable_needed): Return true if not
13210 flag_toplevel_reorder.
13211 (cgraph_add_asm_node): New function.
13212 * cgraph.h (struct cgraph_node): Add order field.
13213 (struct cgraph_varpool_node): Add order field.
13214 (struct cgraph_asm_node): Define.
13215 (cgraph_asm_nodes, cgraph_order): Declare.
13216 (cgraph_add_asm_node): Declare.
13217 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13219 (cgraph_varpool_assemble_pending_decls): Call it.
13220 (cgraph_output_pending_asms): New static function.
13221 (cgraph_finalize_compilation_unit): Call it.
13222 (struct cgraph_order_sort): Define.
13223 (cgraph_output_in_order): New static function.
13224 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13225 !flag_toplevel_reorder case.
13226 * c-parser.c: Include "cgraph.h".
13227 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13229 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13230 than -fno-unit-at-a-time.
13231 * doc/invoke.texi (Option Summary): Mention
13232 -fno-toplevel-reorder.
13233 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13234 -funit-at-a-time documentation.
13236 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13237 Kazu Hirata <kazu@codesourcery.com>
13239 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13241 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13243 * Makefile.in (FUNCTION_H): New. Use it instead of
13244 function.h throughout the file.
13245 * function.h: Include tree.h.
13247 2006-01-17 Ben Elliston <bje@au.ibm.com>
13249 * recog.c: Separate some functions with whitespace.
13251 2006-01-16 Richard Henderson <rth@redhat.com>
13253 Merge from gomp branch:
13254 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13255 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13256 and rename from struct inline_data. Rename callee* to dst*;
13257 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13258 transform_new_cfg, transform_return_to_modify, and
13259 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13261 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13262 (copy_decl_for_dup): Remove.
13263 * tree-inline.c (struct inline_data): Move to header.
13264 (insert_decl_map): Export.
13265 (remap_decl): Update for member name changes. Use copy_decl hook.
13266 Allow for replacement to be a non-decl. Remove dead code.
13267 (remap_type_1): Check for existing mapping.
13268 (remap_type): Export.
13269 (remap_decls): Update for member name changes.
13270 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13271 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13272 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13273 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13274 (tree_function_versioning, build_duplicate_type): Likewise.
13275 (copy_body_r): Likewise. Export.
13276 (copy_decl_for_dup): Split into ...
13277 (copy_decl_for_dup_finish, copy_decl_to_var,
13278 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13279 (replace_ref_tree, inlining_p): Remove.
13281 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13283 * ifcvt.c (if_convert): Make it static.
13284 * rtl.h: Remove the prototype for if_convert.
13286 * local-alloc.c (local_alloc): Make it static.
13287 * rtl.h: Remove the prototype for local_alloc.
13289 * loop.c (loop_optimize): Make it static.
13290 * cfgloop.h: Remove the prototype for loop_optimize.
13293 2006-01-16 DJ Delorie <dj@redhat.com>
13295 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13298 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13300 * pa.md: Disparage copies between general and floating-point registers
13301 in 32-bit move patterns.
13303 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13306 * Makefile.in (check-%): Depend on site.exp instead of
13307 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13310 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13312 * global.c (global_alloc): Make it static.
13313 * rtl.h: Remove the prototype for global_alloc.
13315 2006-01-16 Richard Guenther <rguenther@suse.de>
13317 * tree-ssa-alias.c (struct used_part): Add write_only field.
13318 (get_or_create_used_part_for): Initialize it to true.
13319 (create_overlap_variables_for): Don't create structure variables
13320 for structures that only are written to.
13321 (find_used_portions): Handle MODIFY_EXPR to track whether a
13322 structure is only written to.
13324 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13326 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13328 * basic-block.h: Remove the prototype for
13329 partition_hot_cold_basic_blocks.
13331 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13333 * cppspec.c (lang_specific_spec_functions): Remove.
13334 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13335 * gcc.h (lang_specific_spec_functions): Remove.
13336 * gccspec.c (lang_specific_spec_functions): Remove.
13338 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13340 * combine.c (record_value_for_reg): Invalidate registers
13342 (record_dead_and_set_regs_1): Likewise, by passing them to
13343 record_value_for_reg.
13344 (record_dead_and_set_regs): Invalidate stores made by a
13345 call. We do not combine across a call, but we still
13346 relied on equivalences.
13348 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13350 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13351 vrp_int_const_binop returning non-constant nodes.
13353 2006-01-16 Paul Brook <paul@codesourcery.com>
13355 * config/m68k/m68k.c (output_move_const_into_data_reg):
13356 Output correct mnemonic for mvz and mvs.
13358 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13360 * rtl-factoring.c: Add sequence abstraction algorithm.
13361 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13362 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13364 (block_has_preserve_label): New function.
13365 * common.opt: Register new pass.
13366 * Makefile.in: Ditto.
13368 * timevar.def: Ditto.
13369 * tree-pass.h: Ditto.
13370 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13371 * rtl.h (make_jump_insn_raw): Add forward decl.
13372 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13374 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13375 Roger Sayle <roger@eyesopen.com>
13377 * fold-const.c (fold_minmax): New static function.
13378 (fold_binary) <MIN_EXPR>: Call it.
13379 <MAX_EXPR>: Likewise.
13380 * stor-layout.c (place_field): Use DECL_SIZE consistently
13381 in the computation of the new record size.
13383 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13385 * cse.c (cse_condition_code_reg): Make it static.
13386 * rtl.h: Remove the prototype for cse_condition_code_reg.
13388 * combine.c (combine_instructions): Make it static.
13389 * rtl.h: Remove the prototype for combine_instructions.
13391 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13394 * tree.c (get_file_function_name_long): Concatenate the first global
13395 object name with a string derived from the input filename of the object
13398 2006-01-16 Ben Elliston <bje@au.ibm.com>
13400 * config/i386/winnt-stubs.c: Update FSF address.
13401 * config/xtensa/ieee754-df.S: Ditto.
13402 * config/xtensa/ieee754-sf.S: Ditto.
13404 2006-01-14 Ian Lance Taylor <ian@airs.com>
13406 * ifcvt.c (noce_init_if_info): New static function, broken out of
13407 noce_process_if_block.
13408 (noce_process_if_block): Call noce_init_if_info.
13409 (check_cond_move_block): New static function.
13410 (cond_move_process_if_block): New static function.
13411 (process_if_block): Call cond_move_process_if_block.
13413 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13415 * cselib.c (hash_table): Rename to cselib_hash_table.
13416 (cselib_clear_table, discard_useless_values,
13417 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13418 cselib_init, cselib_finish): Adjust uses of hash_table.
13420 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13422 PR tree-optimization/25485
13423 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13424 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13425 is known to be false and true, respectively.
13427 2006-01-14 Richard Guenther <rguenther@suse.de>
13429 PR tree-optimization/22548
13430 PR tree-optimization/22555
13431 PR tree-optimization/22501
13432 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13433 * params.def (salias-max-array-elements): New parameter.
13434 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13435 * doc/invoke.texi (salias-max-array-elements): Document.
13436 * tree-flow-inline.h (var_can_have_subvars): We also handle
13438 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13440 * tree-ssa-structalias.c (params.h): Include.
13441 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13442 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13443 (get_constraint_for): For ADDR_EXPR operating on something
13444 containing an ARRAY_REF, add all subvars to the solution.
13445 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13446 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13447 for creating MUST_DEFs.
13448 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13450 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13452 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13454 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13455 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13456 number_of_iterations_le): New functions.
13457 (number_of_iterations_special): Removed.
13458 (number_of_iterations_exit): Do not use number_of_iterations_special.
13459 * tree.c (unsigned_type_for): Always return integer type.
13461 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13462 Richard Guenther <rguenther@suse.de>
13464 PR rtl-optimization/24257
13465 * gcse.c (find_moveable_store): Only consider a store movable
13466 when the SET_SRC of the insn can be assigned to a register.
13468 2006-01-14 Ian Lance Taylor <ian@airs.com>
13470 * tree.c (tree_not_class_check_failed): New function.
13471 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13472 (tree_not_class_check_failed): Declare.
13474 2006-01-13 Ian Lance Taylor <ian@airs.com>
13476 * reload1.c (do_output_reload): Add assertion rejecting a
13479 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13481 * combine.c (struct reg_stat): Add new fields truncation_label and
13483 (record_value_for_reg): Reset truncated_to_mode.
13484 (record_truncated_value): New function.
13485 (check_promoted_subreg): Call it. Rename to check_conversions.
13486 (combine_instructions): Rename check_promoted_subreg to
13488 (reg_truncated_to_mode): New function.
13489 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13490 (gen_lowpart_or_truncate): New function.
13491 (force_to_mode): Use it instead of gen_lowpart.
13493 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13495 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13496 VAR is a tag, not its type tag.
13498 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13500 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13501 alternatives to match style of other entries.
13502 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13504 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13506 PR tree-optimization/25771
13507 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13510 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13513 * tree-inline.c (declare_return_variable): If the return variable
13514 was marked as a non gimple complex, set the return slot variable
13515 to be a non gimple comple variable.
13517 2006-01-13 Richard Guenther <rguenther@suse.de>
13519 * builtins.c (expand_builtin_sincos): New function.
13520 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13522 (expand_builtin): Expand sincos using expand_builtin_sincos.
13524 2006-01-12 DJ Delorie <dj@redhat.com>
13526 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13527 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13528 so that constant shifts can be split.
13529 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13530 (m32c_valid_pointer_mode): Make static.
13531 (shift_gen_func_for): New.
13532 (m32c_prepare_shift): Use it. Split large const shifts into
13534 * config/m32c/predicates.md (shiftcount_operand): Allow more
13536 (longshiftcount_operand): New.
13537 * doc/md.texi (Machine Constraints): Document In6.
13539 2006-01-13 Ben Elliston <bje@au.ibm.com>
13541 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13542 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13545 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13547 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13548 to try to avoid clobbering pieces of structures when we know
13549 something about the whole structure.
13550 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13552 2006-01-13 Ben Elliston <bje@au.ibm.com>
13554 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13555 return in memory, as this is no limitation is no longer present.
13557 2006-01-12 DJ Delorie <dj@redhat.com>
13559 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13560 mova with fb, and for fb+0 -> An.
13562 * config/m32c/mov.md (peephole2): Fix enabling logic.
13564 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13565 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13566 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13567 FINI_ARRAY_SECTION_ASM_OP): Define.
13569 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13571 (m32c_legitimize_reload_address): New logic to reload FB to An.
13572 (m32c_output_reg_push): Add newline.
13573 (m32c_output_reg_pop): Likewise.
13575 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13577 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13579 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13581 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13583 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13585 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13588 2006-01-11 Ben Elliston <bje@au.ibm.com>
13590 * rtlanal.c (find_reg_note): Assert insn is not null.
13592 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13594 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13597 2006-01-11 Jeff Law <law@redhat.com>
13599 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13601 (mark_threaded_blocks, register_jump_thread): New functions.
13602 (thread_through_all_blocks): Remove unwanted argument. No
13603 longer rely on e->aux to communicate thread target info.
13604 Call mark_threaded_blocks. Release the threaded_blocks
13605 bitmap and threaded_edges vector when complete.
13606 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13607 (threaded_blocks): Remove.
13608 (tree_ssa_dominator_optimize): Remove initialization and
13609 finalization of threaded_blocks. Simplify call to
13610 thread_through_all_blocks.
13611 (thread_across_edge): Call register_jump_thread rather than
13612 storing thread information into e->aux.
13613 (free_all_edge_infos): Simplify now that e->aux is no longer
13614 used to communicate with thread_through_all_blocks.
13615 * tree-flow.h (thread_through_all_blocks): Update prototype.
13616 (register_jump_thread): Prototype.
13618 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13620 * df-core.c (df_compact_blocks, df_bb_replace): Use
13621 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13623 2006-01-11 Richard Guenther <rguenther@suse.de>
13625 PR tree-optimization/25734
13626 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13627 stop propagation after successful propagation to the LHS.
13629 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13631 * basic-block.h (control_flow_graph): Change the type of
13632 x_basic_block_info to VEC(basic_block,gc) *.
13633 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13635 (SET_BASIC_BLOCK): New.
13636 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13637 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13638 * cfgbuild.c (find_basic_blocks): Likewise.
13639 * cfglayout.c (fixup_reorder_chain): Likewise.
13640 * cfgrtl.c (create_basic_block_structure,
13641 rtl_create_basic_block): Likewise.
13642 * ifcvt.c (find_if_case_1): Likewise.
13643 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13646 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13648 * Makefile.in: Removed rotted odf.c entry.
13650 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13653 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13654 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13655 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13656 output pattern modifier, not %e.
13657 * config/cris/cris.c (cris_op_str): Update comment about pattern
13659 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13660 before falling through into...
13661 <case 'E'>: Redefined from old 'e' case.
13663 2006-01-11 Jan Hubicka <jh@suse.cz>
13666 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13668 2006-01-11 Jan Hubicka <jh@suse.cz>
13670 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13671 * i386.c (x86_decompose_lea): Kill.
13672 (ix86_rtx_costs): Kill.
13674 2006-01-11 Jan Hubicka <jh@suse.cz>
13676 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13677 * cgraph.h (cgraph_node): Add inline_decl.
13678 (cgraph_insert_node_to_hashtable): Declare.
13679 (save_inline_function_body): Declare.
13680 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13682 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13683 (cgraph_function_versioning): Update call of tree_function_versioning.
13684 (save_inline_function_body): New function.
13685 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13686 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13687 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13688 (cgraph_default_inline_p): Likewise.
13689 (cgraph_decide_inlining_incrementally): Likewise.
13690 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13691 (copy_bb): Kill saving; do updating of clones.
13692 (copy_cfg_body): Kill saving.
13693 (initialize_inlined-parameters): Likewise.
13694 (expand_call_inline): Likewise.
13696 (tree_function_versioning): New parameter "update_clones".
13697 (inlining_p): Kill saving.
13698 * tree-inline.h (tree_function_versioning): Update prototype.
13699 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13702 2006-01-11 Ian Lance Taylor <ian@airs.com>
13704 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13705 Allow undoing set of machine mode.
13706 (do_SUBST): Use enums instead of is_int.
13707 (do_SUBST_MODE): New function.
13708 (SUBST_MODE): New macro.
13709 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13710 reg and trying to replace reg_regno_rtx with a new register.
13711 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13712 (simplify_set): Use SUBST_MODE.
13713 (distribute_notes): Remove code that tried to update reg notes
13714 for regno_reg_rtx changes.
13716 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13718 PR tree-optimization/23109
13719 PR tree-optimization/23948
13720 PR tree-optimization/24123
13722 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13723 * tree-cfg.c (single_noncomplex_succ): New.
13724 * tree-flow.h (single_noncomplex_succ): Declare it.
13725 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13726 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13727 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13728 insert_bb, register_division_in, insert_reciprocals,
13729 replace_reciprocal, free_bb): New.
13730 (execute_cse_reciprocals_1): Rewritten.
13731 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13732 Do not commit any edge insertion. Always compute dominators and
13733 create the allocation pool.
13734 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13735 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13736 * targhooks.c (default_min_divistions_for_recip_mul): New.
13737 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13738 * passes.c (init_optimization_passes): Run recip after tree loop
13740 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13742 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13743 Kenneth Zadeck <zadeck@naturalbridge.com>
13745 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13746 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13747 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13748 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13749 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13750 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13751 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13752 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13753 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13754 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13755 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13756 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13757 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13758 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13759 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13760 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13761 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13762 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13763 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13764 DF_SCAN_POST_ALLOC): New macros.
13765 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13766 df_free_bb_function, df_local_compute_function, df_init_function,
13767 df_dataflow_function, df_confluence_function_0,
13768 df_confluence_function_n, df_transfer_function,
13769 df_finalizer_function, df_free_function, df_dump_problem_function,
13770 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13771 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13772 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13773 df_urec_bb_info, ) New types.
13774 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13776 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13777 df_analyze_simple_change_some_blocks,
13778 df_analyze_simple_change_one_block, df_compact_blocks,
13779 df_bb_replace, df_bb_regno_last_use_find,
13780 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13781 df_insn_regno_def_p, df_find_def, df_find_use,
13782 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13783 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13784 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13785 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13786 debug_df_chain, df_get_dependent_problem, df_chain_create,
13787 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13788 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13789 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13790 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13791 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13792 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13793 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13794 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13795 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13796 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13797 df_reorganize_refs, df_set_state, df_hard_reg_init,
13798 df_read_modify_subreg_p) New public functions.
13799 * df-core.c: The core dataflow solver and glue routines for rtl
13801 (df_init, df_add_problem, df_set_blocks, df_finish,
13802 df_hybrid_search_forward, df_hybrid_search_backward,
13803 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13804 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13805 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13806 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13807 df_reg_defined, df_find_use, df_reg_used, df_dump,
13808 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13809 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13810 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13811 debug_df_useno, reset_df_after_reload): New functions.
13812 * df-scan.c: The scanning fuctions, once in df.c, completely
13813 rewritten so that they now fully model the functionality of
13814 register usage at the backend.
13815 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13816 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13817 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13818 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13819 df_get_artificial_defs, df_get_artificial_uses,
13820 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13821 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13822 df_refs_delete, df_reorganize_refs, df_set_state,
13823 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13824 df_def_record_1, df_defs_record, df_uses_record,
13825 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13826 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13827 df_record_exit_block_uses, df_hard_reg_init): New functions.
13829 * df-problems.c: Seven concrete dataflow problems that use the
13830 scanning in df-scan.c and are solved by the engine in df-core.c.
13831 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13832 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13833 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13834 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13835 df_ru_free_bb_info, df_ru_alloc,
13836 df_ru_bb_local_compute_process_def,
13837 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13838 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13839 df_ru_transfer_function, df_ru_free, df_ru_dump,
13840 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13841 df_rd_free_bb_info, df_rd_alloc,
13842 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13843 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13844 df_rd_transfer_function, df_rd_free, df_rd_dump,
13845 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13846 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13847 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13848 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13849 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13850 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13851 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13852 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13853 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13854 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13855 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13856 df_urec_mark_reg_use_for_earlyclobber,
13857 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13858 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13859 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13860 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13861 df_chain_create_bb_process_use, df_chain_create_bb,
13862 df_chain_finalize, df_chain_free, df_chains_dump,
13863 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13864 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13865 df_reg_lifetime): New functions.
13866 * df.c: Deleted file.
13867 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13868 consistent with new df api.
13869 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13870 rest_of_handle_sms): Ditto.
13871 * web.c (unionfind_union, union_defs, entry_register, web_main):
13873 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13874 invariant_expr_equal_p, find_defs, check_dependencies,
13875 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13876 free_inv_motion_data, move_loop_invariants): Ditto.
13877 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13878 Update dependencies.
13879 (odf.c): Added defective entry that was deleted later in day.
13880 * sched-deps.c (sched_analyze_1): Ditto.
13882 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13884 * tree-ssa-operands.c (get_expr_operands): Record addressable
13885 variables directly. Do not call add_stmt_operands for CONST_DECLs
13887 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13888 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13890 2006-01-11 Ben Elliston <bje@au.ibm.com>
13892 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13893 function returns true in the positive case.
13895 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13898 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13899 for SI, DI, SF and DF modes. Add alternatives to copy between
13900 general and floating point registers to the 32-bit patterns.
13901 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13902 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13903 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13904 generating 64-bit code.
13905 * config/pa/pa.c (output_move_double): Handle copies between general
13906 and floating registers.
13908 2006-01-10 Stuart Hastings <stuart@apple.com>
13910 * config/i386/i386.md (set_got): Update.
13911 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13912 (builtin_setjmp_receiver): Mach-O support.
13913 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13914 (GOT_SYMBOL_NAME): Define.
13915 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13916 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13917 * config/i386/i386.c (override_options): Revise for Darwin.
13918 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13919 support. (darwin_x86_file_end): New. (output_set_got): Add label
13920 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13921 * config/i386/i386-protos.h (output_set_got): Likewise.
13922 * config/darwin.c (machopic_legitimize_pic_address): Update
13925 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13927 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13928 when MODE isn't BLKmode.
13930 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13932 PR rtl-optimization/25367
13933 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13935 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13938 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13939 for a negative bound.
13941 2006-01-10 Richard Guenther <rguenther@suse.de>
13943 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13944 Never override with anything constraint.
13946 2006-01-10 Jan Beulich <jbeulich@novell.com>
13948 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13949 256 bits when optimize_size.
13951 2006-01-10 Jan Beulich <jbeulich@novell.com>
13953 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13955 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13956 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13959 2006-01-10 Ben Elliston <bje@au.ibm.com>
13961 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13963 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13964 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13965 (USE_FP_FOR_ARG): Reject decimal float modes.
13966 (function_arg_advance): Likewise.
13967 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13968 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13969 point types in AltiVec vectors.
13970 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13971 (rs6000_libcall_value): Likewise.
13973 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13975 * config/xtensa/ieee754-df.S: New file.
13976 * config/xtensa/ieee754-sf.S: New file.
13977 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13978 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13979 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13981 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13983 * config/sh/predicates.md (binary_float_operator,
13984 binary_logical_operator, commutative_float_operator,
13985 equality_comparison_operator, greater_comparison_operator,
13986 less_comparison_operator, logical_operator,
13987 noncommutative_float_operator, shift_operator,
13988 symbol_ref_operand, unary_float_operator): Remove redundant
13991 2006-01-09 Jeff Law <law@redhat.com>
13993 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13994 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13995 now unused arguments. Callers updated.
13996 (eliminate_redundant_computations): Remove now unused arguments,
13998 (local_fold): Remove, no longer used.
13999 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14001 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14002 (simplify_cond): New function.
14003 (forward_propagate_into_cond): Call simplify_cond.
14005 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14007 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14008 (*vec_extractv2di_1_sse): New.
14010 2006-01-09 Ben Elliston <bje@au.ibm.com>
14012 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14014 2006-01-08 Richard Guenther <rguenther@suse.de>
14016 * tree-ssa-structalias.c (get_constraint_for): Remove
14017 anyoffset argument.
14018 (get_constraint_for_component_ref): Likewise.
14019 (do_deref): Likewise.
14020 (get_constraint_for): Likewise.
14021 (do_structure_copy): Likewise.
14022 (handle_ptr_arith): Likewise.
14023 (find_func_aliases): Likewise. Remove unused need_anyoffset
14026 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14027 Kaz Kojima <kkojima@gcc.gnu.org>
14029 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14030 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14031 (EXTRA_CONSTRAINT_C16): Remove.
14032 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14033 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14034 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14035 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14036 constants of SHmedia. Handle nested constant expressions of
14038 (andcosts): Fix the costs for SHmedia constants.
14039 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14040 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14041 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14042 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14043 (movv4hi_i, movv2si_i): Likewise.
14044 (movsi_const): Adjust the second operand of ior so to match with
14045 the Csu constraint.
14046 (movdi_const, movdi_const_32bit): Likewise.
14047 (movdi_const_16bit+1): Don't sign-extend LOW.
14048 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14050 (*double_shori): Fix the split condition. Use GEN_INT instead
14051 of get_int_mode calls. Mask lower 16-bit of the argument of
14053 (sym2GOTPLT): Remove.
14054 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14056 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14057 instead of EXTRA_CONSTRAINT_C16.
14059 2006-01-07 Ian Lance Taylor <ian@airs.com>
14060 David Edelsohn <edelsohn@gnu.org>
14062 PR rtl-optimization/25662
14063 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14064 for constant operands instead of simplify_gen_binary.
14065 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14066 after trying simplify_binary_operation
14068 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14070 * tree.c (iterative_hash_expr): Hash decls based on UID.
14072 2006-01-06 Eric Christopher <echristo@apple.com>
14074 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14075 (TARGET_UNWIND_EMIT): Fix spelling.
14076 * target.h (gcc_target): Add except_table_label.
14077 * except.c (output_function_exception_table): Use.
14078 * varasm.c (default_emit_except_table_label): New.
14079 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14081 (asm_out): Add here.
14082 * output.h (default_emit_except_table_label): Prototype.
14083 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14084 * config/darwin.c (darwin_emit_except_table_label): Define.
14085 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14087 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14089 PR tree-optimization/18527
14090 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14091 number_of_iterations_special, number_of_iterations_exit):
14092 Move base and step of an iv to a single structure. Add
14093 no_overflow flag, and use it in # of iterations analysis.
14094 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14095 folded_casts argument.
14096 (simple_iv): Pass base and step in a structure. Set no_overflow
14098 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14099 Evaluate expensiveness of computing # of iterations instead of
14100 the final expression.
14101 * tree-scalar-evolution.h (affine_iv): New structure.
14102 (simple_iv): Declaration changed.
14103 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14104 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14105 find_givs_in_stmt): Changed due to simple_iv change.
14107 2006-01-06 Jeff Law <law@redhat.com>
14110 * tree-cfg.c (bsi_replace): Rename final argument from
14111 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14112 change (stmt -> orig_stmt).
14113 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14114 (bsi_remove): Add new argument. Remove EH information
14116 (verify_eh_throw_table_statements): New function.
14117 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14119 * tree-optimize.c (execute_free_cfg_annotations): Verify
14120 the EH throw statement table after removing annotations.
14121 * except.h (verify_eh_throw_table_statements): Prototype.
14122 * tree-flow.h (bsi_remove): Update prototype.
14123 * tree-vrp.c (remove_range_assertions): Add new argument to
14125 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14126 * tree-complex.c (expand_complex_div_wide): Likewise.
14127 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14128 * tree-tailcall.c (eliminate_tailcall): Likewise.
14129 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14130 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14131 * tree-nrv.c (tree_nrv): Likewise.
14132 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14133 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14134 (combine_blocks): Likewise.
14135 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14136 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14137 (cleanup_control_flow): Likewise.
14138 (remove_forwarder_block): Likewise.
14139 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14140 * tree-sra.c (sra_replace): Likewise.
14141 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14142 (forward_propagate_single_use_vars): Likewise.
14143 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14144 * tree-inline.c (expand_call_inline): Likewise.
14145 * tree-vect-transform.c (vect_transform_loop): Likewise.
14146 * tree-outof-ssa.c (rewrite_trees): Likewise.
14147 * tree-cfg.c (make_goto_expr_edges): Likewise.
14148 (cleanup_dead_labels): Likewise.
14149 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14150 (bsi_move_before, bsi_move_after): Likewise.
14151 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14152 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14154 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14157 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14159 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14160 on non gimple variables. Also add checks at the top for decls and
14162 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14164 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14165 and IMAGPART_EXPR for creating MUST_DEFs.
14166 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14167 and NAME_MEMORY_TAG separately from the DECLs.
14169 2006-01-06 Richard Guenther <rguenther@suse.de>
14171 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14172 annotation, if necessary.
14173 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14174 redundant calls to update_stmt.
14175 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14178 2006-01-05 Richard Henderson <rth@redhat.com>
14180 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14182 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14184 * c-typeck.c: Update copyright date.
14186 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14188 * c-typeck.c (build_c_cast): Always warn when casting
14189 from a pointer to an integer of different size, even if
14190 the node was constant.
14192 2006-01-05 Richard Guenther <rguenther@suse.de>
14194 PR tree-optimization/22555
14195 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14196 if one structure field is an array.
14197 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14198 operands even if we found a subvar, but ignore VOPs in this
14200 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14202 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14204 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14206 PR middle-end/24998
14207 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14209 2006-01-05 Richard Guenther <rguenther@suse.de>
14210 Diego Novillo <dnovillo@redhat.com>
14212 * tree-pass.h (TODO_remove_unused_locals): Define.
14213 * gimple-low.c (expand_var_p, remove_useless_vars,
14214 pass_remove_useless_vars): Remove. Update all users.
14215 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14216 (remove_unused_locals): New function.
14217 * tree-flow.h (remove_unused_locals): Declare.
14218 * passes.c (execute_todo): Call remove_unused_locals if
14219 TODO_remove_unused_locals is set.
14220 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14221 * tree-ssa-dce.c (pass_dce): Likewise.
14222 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14224 2006-01-05 Richard Guenther <rguenther@suse.de>
14226 * tree-flow.h (struct fieldoff): Decompose field to
14227 type, size and decl.
14228 * tree-ssa-alias.c (create_sft): Take type as parameter.
14229 (create_overlap_variables_for): Store type, size and decl
14230 in the fieldoff structure.
14231 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14232 of struct fieldoff.
14233 (push_fields_onto_fieldstack): Likewise.
14234 (create_variable_info_for): Likewise. Use offset for the
14235 SFT name if the decl is not available.
14237 2006-01-04 Paul Brook <paul@codesourcery.com>
14239 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14241 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14243 * lambda-code.c (can_put_in_inner_loop): Relax
14245 (can_put_after_inner_loop): New function.
14246 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14247 (perfect_nestify): Change to make copies and modify uses.
14249 2006-01-04 Richard Henderson <rth@redhat.com>
14251 Merge from gomp branch:
14252 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14253 via integer constant.
14254 (pragma_lex): Remove.
14255 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14256 rather than parsing it.
14257 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14258 handle_pragma_extern_prefix): Add %< %> quotes.
14259 (registered_pragmas): New.
14260 (c_register_pragma_1): New.
14261 (c_register_pragma): Use it.
14262 (c_register_pragma_with_expansion): Likewise.
14263 (c_invoke_pragma_handler): New.
14264 (init_pragma): Use cpp_register_deferred_pragma directly for
14266 * c-pragma.h (enum pragma_kind): New.
14267 (pragma_handler): New.
14268 (c_invoke_pragma_handler): Declare.
14269 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14271 * c-common.h (c_common_pch_pragma): Update decl.
14272 * Makefile.in (c-parser.o): Update dependencies.
14273 (GTFILES): Add c-pragma.h.
14274 * c-parser.c (struct c_token): Add pragma_kind.
14275 (struct c_parser): Add in_pragma.
14276 (c_lex_one_token): Always initialize keyword and pragma_kind.
14277 Extract data for CPP_PRAGMA.
14278 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14279 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14280 Don't allow CPP_PRAGMA_EOL if in_pragma.
14281 (c_parser_consume_pragma): New.
14282 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14283 (c_parser_skip_to_end_of_parameter): Likewise.
14284 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14285 (c_parser_skip_to_pragma_eol): New.
14286 (c_parser_external_declaration): Handle CPP_PRAGMA.
14287 (c_parser_compound_statement_nostart): Likewise.
14288 (c_parser_statement_after_labels): Likewise.
14289 (c_parser_pragma): New.
14290 (pragma_lex): Likewise.
14291 (c_parser_pragma_pch_preprocess): New.
14292 (c_parser_new): Merge into ...
14293 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14295 2006-01-04 Jeff Law <law@redhat.com>
14298 * tree-cfg.c (bsi_replace): Remove the original statement
14299 from the EH throw statement table.
14301 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14303 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14304 make the prototype extern "C" and add throw ().
14307 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14308 and pos non-negative and pos + len <= 32.
14309 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14310 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14311 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14314 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14315 as well as sizes not multiple of component size.
14318 * function.c (instantiate_expr): New function.
14319 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14320 walk its DECL_VALUE_EXPR with instantiate_expr.
14322 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14323 DW_OP_deref{,_size} if address isn't going to be added.
14325 2006-01-04 Ben Elliston <bje@au.ibm.com>
14327 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14328 * config/fp-bit.c: Likewise.
14330 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14332 * dominance.c: Add comment about why we use DFS numbering
14335 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14336 Richard Henderson <rth@redhat.com>
14338 Merge from gomp-branch:
14339 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14340 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14342 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14344 PR rtl-optimization/25578
14345 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14346 pass a parameter to simplify_shift_const if changing ASHIFTRT
14349 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14351 * builtins.c (get_builtin_sync_mem): New function.
14352 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14353 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14354 Call get_builtin_sync_mem to generate mem rtx.
14356 2006-01-03 Richard Guenther <rguenther@suse.de>
14359 * stmt.c (add_case_node): Make sure to clear overflow flags
14362 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14364 Merge from gomp-branch.
14365 * config/sparc/sync.md: New file.
14366 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14367 UNSPECV_LDSTUB): New constants.
14368 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14369 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14370 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14373 2006-01-03 Roger Sayle <roger@eyesopen.com>
14375 * combine.c (reg_subword_p): New predicate to test whether the
14376 destination of a set refers to a subword/piece of a register.
14377 (try_combine): Generalize the code to merge the setting of a
14378 pseudo to a constant followed by a set of a subword of that
14379 register to a constant.
14381 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14383 * basic-block.h (control_flow_graph): Change the type of
14384 x_label_to_block_map to VEC(basic_block,gc) *.
14385 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14386 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14388 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14389 VEC(basic_block,heap) *.
14390 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14391 ssa_prop_fini): Adjust the uses of cfg_blocks.
14393 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14395 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14397 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14398 hashing trees instead of a pointer hash.
14399 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14400 compare for MEM_EXPR.
14402 PR rtl-optimization/25130
14403 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14404 when comparing MEMs for GCSE
14406 2006-01-03 Ben Elliston <bje@au.ibm.com>
14408 * targhooks.h (default_decimal_float_supported_p): Declare.
14409 * targhooks.c (default_decimal_float_supported_p): Define.
14410 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14411 `default_decimal_float_supported_p'.
14412 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14414 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14416 * combine.c (apply_distributive_law <SUBREG>): Check
14417 TRULY_NOOP_TRUNCATION.
14419 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14421 * dwarf2out.c (have_switched_text_section): Delete.
14422 (have_multiple_function_sections): New.
14423 (have_location_lists): Make 'bool'.
14424 (add_AT_loc_list): Use 'true' not '1'.
14425 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14426 (output_loc_list): Use have_multiple_function_sections.
14427 (output_ranges): Likewise.
14428 (dwarf2out_begin_function): Set have_multiple_function_sections if
14430 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14431 Check function_section rather than DECL_SECTION_NAME.
14432 (dwarf2out_finish): Use have_multiple_function_sections.
14433 Don't clear have_location_lists.
14435 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14436 Jan Hubicka <jh@suse.cz>
14438 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14439 case of conditional jump jumping to the next instruction.
14440 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14441 cases of conditional jump jumping to the next instruction.
14443 2006-01-02 Jan Hubicka <jh@suse.cz>
14445 * i386.c (*_cost): Add COSTS_N_INSNS.
14446 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14448 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14451 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14453 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14455 * config/arm/arm.c (all_fpus): Fix comment typo.
14456 * config/darwin.c: Likewise.
14457 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14458 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14459 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14461 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14463 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14464 (rs6000_split_compare_and_swapqhi): New.
14465 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14466 (sync_compare_and_swapqhi_internal): New.
14467 * config/rs6000/rs6000-protos.h: Declare.