1 2006-09-05 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/28900
4 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5 compound conditional before creating COND_EXPR condition.
7 2006-09-05 Richard Guenther <rguenther@suse.de>
9 PR tree-optimization/28905
10 * tree-vrp.c (fix_equivalence_set): Manually implement
11 !value_ranges_intersect_p to also handle symbolic ranges.
13 2006-09-05 Richard Guenther <rguenther@suse.de>
16 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
19 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
21 PR rtl-optimization/27616
22 * cse.c (table_size): New static variable.
23 (new_basic_block): Initialize it to 0.
24 (remove_from_table): Decrement it.
25 (insert): Increment it.
26 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
27 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
28 fold_rtx_mem_1 if under the cap.
29 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
30 the lookup of the equivalent expression and test for equality of the
31 first operand of the equivalent expression before in turn looking up
32 an equivalent constant for the second operand.
34 2006-09-02 Geoffrey Keating <geoffk@apple.com>
37 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
38 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
39 pointer, instead of assuming it is possible to derive the
40 correct args size from a call insn.
42 2006-09-02 Jakub Jelinek <jakub@redhat.com>
45 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
46 (fold_builtin_mempcpy): Rename to...
47 (fold_builtin_memory_op): ... this. Optimize one element copy
49 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
51 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
52 (expand_builtin_memcpy, expand_builtin_mempcpy,
53 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
54 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
55 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
56 BUILT_IN_MEM{CPY,PCPY,MOVE}.
58 2006-09-01 DJ Delorie <dj@redhat.com>
60 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
62 ("stzx_24_<mode>"): Likewise.
63 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
64 ("cmp<mode>_op"): New.
65 (cmp<mode>): Change to expander; just save operands.
67 (b<code>): Change to expander, emit compare here.
68 (s<code>_op): Change to use split and expander.
69 (s<code>_24_op): Likewise.
70 (s<code>_<mode>): New.
71 (s<code>_<mode>_24): New.
72 (movqicc_<code>_<mode): New.
73 (movhicc_<code>_<mode>): New.
76 * config/m32c/m32c.c (compare_op0, compare_op1): New.
77 (m32c_pend_compare): New.
78 (m32c_unpend_compare): New.
79 (m32c_expand_scc): New.
80 (m32c_expand_movcc): Emit the compare also.
81 * config/m32c/predicates.md (mra_nopp_operand): New.
83 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
84 Richard Guenther <rguenther@suse.de>
85 Adam Nemet <anemet@caviumnetworks.com>
88 * builtins.c (get_pointer_alignment): Handle more forms
89 of base addresses that can be used to derive more precise
90 information about alignment.
92 2006-09-01 Jason Merrill <jason@redhat.com>
95 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
98 * gimplify.c (voidify_wrapper_expr): Handle null type.
100 2006-09-01 Josh Conner <jconner@apple.com>
103 * tree-nrv.c (dest_safe_for_nrv_p): New function.
104 (execute_return_slot_opt): Use it.
106 2006-08-31 Josh Conner <jconner@apple.com>
109 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
110 returning aggregates.
112 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
114 PR tree-optimization/28839
115 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
116 blocks in that phi arguments appear.
118 2006-08-31 Roger Sayle <roger@eyesopen.com>
121 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
122 NULL, otherwise use an advance_loc4 to adjust relative to the
124 (output_cfi) <DW_CFA_set_loc>: Update the current label.
125 (dwarf2out_switch_text_section): Reset the current label to avoid
126 using advance_loc4 over section boundaries.
128 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
131 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
132 r12 + SYMBOLIC_CONST.
134 2006-08-30 Richard Guenther <rguenther@suse.de>
136 * Makefile.in (see.o): Add $(EXPR_H) dependency.
138 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
140 PR rtl-optimization/27735
141 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
142 Add new argument to keep track of whether an irreducible region
143 was affected. All callers changed.
144 (fix_irreducible_loops): Removed.
145 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
146 flags were invalidated.
148 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
150 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
151 instead of SF operands.
152 (*fop_df_comm_sse): Likewise.
153 (*fop_df_comm_i387): Likewise.
154 (*fop_df_1_mixed): Likewise.
155 (*fop_df_1_sse): Likewise.
157 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
158 J"orn Rennecke <joern.rennecke@st.com>
160 PR tree-optimization/17506
161 * tree-ssa.c (warn_uninit): If warning about a location outside of
162 the current function, note where the variable was declared.
164 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
166 PR tree-optimization/28411
167 * double-int.c (double_int_div): Use double_int_divmod.
168 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
169 double_int_mod, double_int_smod, double_int_umod): New functions.
170 * double-int.h (double_int_divmod, double_int_sdivmod,
171 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
173 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
175 (get_computation_aff, get_computation_cost_at): Handle double_int
176 return type of constant_multiple_of.
178 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
181 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
182 an implicit conversion.
184 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
186 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
188 2006-08-27 Roger Sayle <roger@eyesopen.com>
190 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
193 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
195 * config/i386/crtfastmath.c: Fix a comment typo.
197 2006-08-26 Roger Sayle <roger@eyesopen.com>
199 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
200 temporary visit flags on CASE_LABEL_EXPRs.
201 * c-common.c (match_case_to_enum): Add function comment. Avoid
202 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
203 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
204 CASE_HIGH_SEEN for enumerated types. If the switch expression is
205 a constant, only warn if that constant value isn't handled.
207 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
210 * input.h (restore_input_file_stack): Declare.
211 (INPUT_FILE_STACK_BITS): Define.
212 * toplev.c (fs_p, input_file_stack_history,
213 input_file_stack_restored, restore_input_file_stack): New.
214 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
215 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
216 (pop_srcloc): Don't free old state of stack.
218 2006-08-26 David Edelsohn <edelsohn@gnu.org>
221 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
222 (PowerPC Type Attributes): New.
224 2006-08-26 Bob Wilson <bob.wilson@acm.org>
226 * config/xtensa/xtensa.c (function_arg_boundary): New.
227 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
229 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
230 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
232 2006-08-26 Jakub Jelinek <jakub@redhat.com>
235 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
238 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
240 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
241 (verify_local_live_at_start): Likewise.
243 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
246 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
247 omp_add_variable): Treat sizes as variable whenever not
250 2006-08-26 Richard Guenther <rguenther@suse.de>
253 * fold-const.c (fold_binary): Fold temporary to correct
254 type before constructing new comparison.
256 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
259 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
260 variable again if DECL_SEEN_IN_BIND_EXPR_P.
262 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
265 * c-decl.c (start_function): Don't try to process prototype
266 information from old declaration that isn't a function.
268 2006-08-25 Jan Hubicka <jh@suse.cz>
271 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
273 2006-08-25 Alan Modra <amodra@bigpond.net.au>
276 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
279 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
281 PR tree-optimization/16876
282 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
283 exit if PARM doesn't match VALUE.
285 2006-08-25 Bob Wilson <bob.wilson@acm.org>
287 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
288 literal_prefix directive.
289 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
290 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
291 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
293 2006-08-25 David Edelsohn <edelsohn@gnu.org>
296 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
297 predicate to general_operand. Add 0->y and I->r alternatives.
299 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
301 * doc/tm.texi: Fix a typo.
302 * predict.c: Fix comment typos.
304 2006-08-25 Nick Clifton <nickc@redhat.com>
306 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
307 assertions of "cpu" and "machine".
309 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
312 * tree-ssa-operands.c (access_can_touch_variable): Don't say
313 the access through a base which has an alias set of 0 cannot
316 2006-08-24 Bill Wendling <wendling@apple.com>
318 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
320 2006-08-24 Jan Hubicka <jh@suse.cz>
322 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
324 2006-08-24 Jan Hubicka <jh@suse.cz>
327 * cgraph.c: Fix comments.
328 (cgraph_varpool_mark_needed_node): Mark only variables not already
330 * cgraphunit.c: Update comments; include gt-cgraphunit.h
331 (cgraph_varpool_assembled_nodes_queue): New static variable.
332 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
333 (cgraph_varpool_output_debug_info): New function.
334 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
335 * Makefile.in: Add gt-cgraphunit.h
337 2006-08-24 Jan Hubicka <jh@suse.cz>
339 * predict.c (probability_reliable_p): New predicate.
340 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
341 (predict_loops): Do not predict loop exit with less than 2%
343 * basic-block.h (edge_probability_reliable_p,
344 br_prob_note_reliable_p): Declare.
345 * ia64.h (ia64_print_operand): Do not disable on-chip branch
346 prediction when static predictor is not reliable.
347 * rs6000.c (output_cbranch): Likewise.
349 2006-08-23 Stuart Hastings <stuart@apple.com>
352 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
353 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
355 2006-08-21 Geoffrey Keating <geoffk@apple.com>
358 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
359 complex values, nor for generic vector values.
361 2006-08-22 Richard Guenther <rguenther@suse.de>
364 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
365 parameter. Convert arguments to arithmetic expression to the
367 (analyze_scalar_evolution_1): Adjust caller.
369 2006-08-22 Jan Hubicka <jh@suse.cz>
371 Patch by Paolo Bonzini
372 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
375 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
377 PR tree-optimization/28003
378 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
379 before grouping aliases.
381 2006-08-22 Roger Sayle <roger@eyesopen.com>
383 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
384 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
386 2006-08-21 Jason Merrill <jason@redhat.com>
389 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
390 wrapper. Loop to handle nested wrappers.
391 (gimplify_bind_expr): Remove temp parameter.
392 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
393 and STATEMENT_LIST on the rhs.
394 (gimplify_statement_list): Voidify the STATEMENT_LIST.
395 (gimplify_expr): Pass pre_p to gimplify_statement_list.
396 (gimplify_target_expr): Remove special BIND_EXPR handling.
398 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
400 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
403 2006-08-21 Olivier Hainque <hainque@adacore.com>
405 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
406 Arrange for the temporary captures of components overlapping the lhs
407 to happen before the lhs is possibly cleared.
409 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
411 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
412 necessary places to pass the correct "number of registers" values
415 2006-08-20 Jan Hubicka <jh@suse.cz>
417 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
418 (create_name_tags): Instead of quadratic checking use hashtable.
419 * bitmap.h: Include hashtab.h.
420 (bitmap_hash): Declare.
421 * bitmap.c (bitmap_hash): New function.
423 2006-08-20 Jan Hubicka <jh@suse.cz>
425 PR rtl-optimization/28071
426 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
428 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
429 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
430 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
431 cgraph_decide_inlining_incrementally): Update use of
432 cgraph_check_inline_limits.
433 * cgraph.c (edge_hash, edge_eq): New function.
434 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
435 cgraph_edge_remove_caller, cgraph_node_remove_callees,
436 cgraph_remove_node): Maintain call site hash.
437 * cgraph.h (struct cgraph_node): Add call_site_hash.
438 (cgraph_set_call_stmt): New function.
440 2006-08-20 Jan Hubicka <jh@suse.cz>
442 PR rtl-optimization/28071
443 * reload1.c (reg_has_output_reload): Turn into regset.
444 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
445 choose_reload_regs, emit_reload_insns): Update to new
446 reg_has_output_reload.
448 2006-08-20 Jan Hubicka <jh@suse.cz>
451 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
453 * cgraphunit.c (cgraph_analyze_function): Don't do so.
455 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
458 * tree.c (handle_dll_attribute): Return early if not a
459 var or function decl.
461 2006-08-18 Joseph Myers <joseph@codesourcery.com>
464 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
465 alignment of SPE vector types.
467 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
469 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
471 2006-08-17 Jakub Jelinek <jakub@redhat.com>
474 * cgraph.h (struct cgraph_node): Remove externally_visible
476 * cgraphunit.c (process_function_and_variable_attributes): Set
477 local.externally_visible rather than externally_visible.
480 * c-common.c (handle_externally_visible_attribute): First look
481 at TREE_CODE and only if it is function or var decl, check for
482 non-public objects. Don't warn for DECL_EXTERNAL.
483 * cgraphunit.c (process_function_and_variable_attributes): Warn
484 if externally_visible attribute is used on non-public object.
486 2006-08-17 Jan Hubicka <jh@suse.cz>
488 PR tree-optimization/27865
489 * reload1.c (forget_marked_reloads): New function.
490 (forget_old_reloads_1): When data are passed, just mark the registers
492 (reload_as_needed): Use the new mechanizm.
494 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
497 * reload.h (reg_equiv_alt_mem_list): New declaration.
498 * reload1.c (reg_equiv_alt_mem_list): New definition.
499 (reload): Initialize it and release it.
500 (delete_output_reload): Use it.
501 * reload.c (push_reg_equiv_alt_mem): New function.
502 (find_reloads_toplev): Call it.
503 (find_reloads_address, find_reloads_address_1): Likewise.
504 (find_reloads_subreg_address): Likewise.
506 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
508 PR rtl-optimization/28489
509 * sched-ebb.c (begin_schedule_ready): Create basic block
511 (advance_target_bb): Skip empty blocks.
512 * haifa-sched.c (bb_note): Make global.
513 * sched-int.h (bb_note): Add prototype.
515 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
517 PR tree-optimization/27865
518 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
520 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
521 fold_used_pointer, pointer_used_p): New functions.
522 (analyze_scalar_evolution_1): Use fold_used_pointer.
523 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
524 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
527 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
530 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
531 or the INTEGER_CST. Fail on a CALL_EXPR.
532 (fold_offsetof): Pass new argument to fold_offsetof_1.
533 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
534 operand into an INDIRECT_REF.
535 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
537 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
539 PR gcov/profile/26570
540 * value-prof.c (static_values): Removed.
541 (tree_find_values_to_profile): Do not set static_values.
542 (find_values_to_profile): Do not free static_values.
543 * profile.c (instrument_values): Do not free the values.
544 (branch_prob): Free the values.
546 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
548 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
550 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
553 * c-typeck.c (build_component_ref): Combine qualifiers of
554 structure or union and field.
556 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
558 PR rtl-optimization/28071
559 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
560 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
561 * tree-into-ssa.c (struct dom_dfsnum): New.
562 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
564 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
565 compute_global_livein.
566 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
567 in phi nodes in the correct blocks.
569 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
571 PR tree-optimization/28364
572 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
574 (fold_affine_expr): New function.
575 (may_eliminate_iv): Use fold_affine_expr.
577 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
580 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
583 2006-08-16 Mike Stump <mrs@apple.com>
585 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
586 * doc/cppopts.texi (-MD): Likewise.
588 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
591 * c-common.c (handle_weak_attribute): Ignore and warn if
592 not a FUNCTION_ or VAR_DECL.
594 2006-07-15 Mike Stump <mrs@apple.com>
597 * c-parser.c (c_parser_typeof_specifier): Don't use
598 c_finish_expr_stmt, open code desired semantics instead.
600 2006-08-15 Nick Clifton <nickc@redhat.com>
602 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
603 fragment to tmake_file only if threads are enabled.
604 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
605 * config/i386/t-gthr-win32: New file. ... here.
607 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
610 * c-parser.c (c_parser_compound_statement_nostart): Reset
611 parser->error after each statement.
613 2006-08-15 Jakub Jelinek <jakub@redhat.com>
616 * omp-low.c (lower_omp_parallel): Convert t to
617 receiver_decl's type.
618 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
619 source before comparison.
622 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
623 to itype in assignment to oldival2.
625 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
629 * c-typeck.c (build_compound_expr): If the second expression
630 is an error mark, then just return an error mark instead of
631 creating a COMPOUND_EXPR.
633 2006-07-14 Mike Stump <mrs@apple.com>
635 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
637 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
639 * c-decl.c, var-tracking.c: Fix comment typos.
641 2006-08-14 Richard Sandiford <richard@codesourcery.com>
643 PR rtl-optimization/28634
644 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
645 for floating-point modes unless flag_unsafe_math_optimizations.
647 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
648 Andrew Pinski <pinskia@physics.uc.edu>
651 * tree.c (build_array_type): Unify array types with
652 unspecified index_type.
653 * c-decl.c (grokdeclarator): Make sure we do not modify a
654 unified incomplete array type.
655 * c-typeck.c (store_init_value): Create distinct type before
656 filling in the index type in an initializer from a compound
659 * c-decl.c (grokdeclarator): Remove code where we copy the
662 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
664 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
665 into account for TODO_dump_cgraph.
666 (TODO_update_ssa_no_phi): Likewise.
667 (TODO_update_ssa_full_phi): Likewise.
668 (TODO_update_ssa_only_virtuals): Likewise.
669 (TODO_remove_unused_locals): Likewise.
670 (TODO_set_props): Likewise.
671 (TODO_update_stmt_usage): Likewise.
673 2006-08-13 Dirk Mueller <dmueller@suse.de>
675 * c-common.c (strict_aliasing_warning): Fix formatting.
677 2006-08-13 Matthias Klose <doko@debian.org>
679 * doc/invoke.texi: Fix spelling errors.
681 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
683 PR rtl-optimization/23454
684 * reorg.c (relax_delay_slots): Update comment.
686 2006-08-11 Richard Guenther <rguenther@suse.de>
689 * simplify-rtx.c (simplify_const_relational_operation):
690 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
693 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
695 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
696 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
698 2006-08-10 Paul Brook <paul@codesourcery.com>
700 * final.c (final_scan_insn): Clear current_insn_predicate before
701 outputting inline asm.
703 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
705 PR tree-optimization/26197
706 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
707 get_ref_base_and_extent and overlap_subvar to add only relevant
708 subvars as may-aliases.
709 (add_may_alias_for_new_tag): New function, factored out of
711 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
712 with additional argument.
713 * tree-flow.h (new_type_alias): Takes additional argument.
715 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
717 * gcov.c (no_data_file): New flag.
718 (read_count_file): Set it if data file not present. Assume counts
720 (output_lines): Don't name the data file, if there wasn't one.
722 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
724 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
725 (rs6000_generate_compare): Tweak comments.
726 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
728 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
730 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
731 (var_debug_decl): New function.
732 (var_reg_set): Follow debug decl link. Add location even if
733 reg is already known to hold some other variable.
734 (var_mem_set): Follow debug decl link.
735 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
736 decl link. Delete other known locations of the variable part
738 (var_reg_delete, var_mem_delete): Delete other known locations
739 of the variable part if requested.
740 (same_variable_part_p): New function.
741 (add_stores): Select MO_COPY when appropriate.
742 (vt_initialize): Handle it.
743 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
744 known locations for MO_SET and MO_CLOBBER.
745 (find_variable_location_part): New function.
746 (set_variable_part, delete_variable_part): Use it.
747 (clobber_variable_part): New function.
748 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
751 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
753 PR tree-optimization/26969
754 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
755 with an empty list of PHIs.
757 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
761 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
764 2006-08-06 Andreas Schwab <schwab@suse.de>
766 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
767 string. Whitespace and comment fixup.
769 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
772 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
776 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
779 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
781 2006-08-04 Jan Hubicka <jh@suse.cz>
785 * reload.c (push_reload): Patch out the mismatching instruction;
787 (find_reload): Bail out if the instruction was patched out.
789 2006-08-04 Jan Hubicka <jh@suse.cz>
791 PR tree-optimization/24888
792 * tree-inline.c (expand_call_inline): Do not re-record variables.
793 (declare_inline_vars): Add variable to unexpanded_var_list.
795 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
796 Roger Sayle <roger@eyesopen.com>
798 PR rtl-optimization/26244
799 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
800 inner_const are negative or greater than or equal to the bitsize of
801 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
802 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
803 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
804 CONST0_RTX (mode) when the new shift count is greater than or equal to
805 to the bitsize of the object being shifted and XEXP (y, 0) has no side
808 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
810 * tree-cfg.c: Fix a comment typo.
812 2006-08-03 Mark Mitchell <mark@codesourcery.com>
815 * varasm.c (output_constant): Give the front end another chance to
816 expand constants, after stripping NOPs.
818 2006-08-03 Jan Hubicka <jh@suse.cz>
820 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
823 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
825 PR tree-optimization/27770
826 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
827 declaration removed (moved to tree-flow.h).
828 (vect_can_force_dr_alignment_p): Likewise.
829 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
830 (moved from tree-vectorizer.h).
831 (vect_can_force_dr_alignment_p): Likewise.
832 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
833 from outside the vectorizer - in particular from cgraph stage.
834 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
835 the alignment of global arrays when -fsection-anchors is enabled.
836 * cgraphunit.c (cgraph_increase_alignment): New function.
837 (cgraph_optimize): Call cgraph_increase_alignment.
839 2006-08-03 David Edelsohn <edelsohn@gnu.org>
842 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
843 not reload a SPE symbol_ref into a lo_sum address.
845 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
848 * dwarf2out.c (prune_unused_types_prune): Move call to
849 prune_unused_types_update_strings to cover the parent DIE also.
851 2006-08-02 Jan Hubicka <jh@suse.cz>
853 PR gcov/profile/28480
854 * tree-cfg.c (change_bb_for_stmt): New function.
855 (tree_merge_blocks, tree_split_blocks): Use it.
857 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
863 * toplev.c (compile_file): Return early on errorcount or sorrycount.
864 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
865 (cgraph_optimize): Likewise.
867 2006-08-01 Stuart Hastings <stuart@apple.com>
869 * rtl.h (UINTVAL) New.
870 * config/rs6000/rs6000.c (SMALL_INT) Use it.
871 * testsuite/gcc.dg/20060801-1.c: New.
873 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
876 * c-typeck.c (build_external_type): Mark used enum types.
877 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
879 (gen_subprogram_die): Whitespace fix.
881 2006-08-01 Jan Hubicka <jh@suse.cz>
883 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
884 bitmap when not needed.
885 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
888 2006-08-01 Dirk Mueller <dmueller@suse.de>
890 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
892 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
894 * Makefile.in: Revert part of previous patch:
895 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
898 2006-07-30 Eric Christopher <echristo@apple.com>
901 * doc/extend.texi (i386 Variable Attributes): Add anchor.
902 (PowerPC Variable Attributes): New section.
904 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
906 PR target/28126 (partial fix)
907 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
909 2006-07-28 Jan Hubicka <jh@suse.cz>
911 PR rtl-optimization/28071
912 * cfgrtl.c (rtl_delete_block): Free regsets.
913 * flow.c (allocate_bb_life_data): Re-use regsets if available.
915 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
917 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
918 and variables used in dependencies.
920 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
922 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
923 %fs for -mcmodel=kernel.
924 (stack_tls_protect_test_di): Likewise.
926 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
928 * Makefile.in: Use mkinstalldirs.
930 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
933 * opts-common.c (prune_options): Skip joined switches.
935 2006-07-27 Jan Hubicka <jh@suse.cz>
937 PR rtl-optimization/28071
938 * cselib.c (cselib_process_insn): Don't remove useless values too
939 often for very large hashtables.
941 2006-07-27 Jan Hubicka <jh@suse.cz>
943 PR rtl-optimization/28071
944 * global.c (greg_obstack): New obstack.
945 (allocate_bb_info): Use it.
946 (free_bb_info): Likewise.
947 (modify_reg_pav): Likewise.
949 2006-07-27 Roger Sayle <roger@eyesopen.com>
951 * builtins.c (fold_fixed_mathfn): When long and long long are the
952 same size, canonicalize llceil*, llfloor*, llround* and llrint*
953 functions to their lceil*, lfloor*, lround* and lrint* forms.
955 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
958 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
960 (rev_branch_insn): Likewise.
962 2006-07-27 Jan Hubicka <jh@suse.cz>
964 PR rtl-optimization/28071
965 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
966 (reg_set_in_bb, max_reg_computed): New static variables.
967 (regmove_optimize): Free the new array.
968 (fixup_match_1): Update call of reg_is_remote_constant_p.
970 2006-07-26 Jan Hubicka <jh@suse.cz>
972 PR tree-optimization/27882
973 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
975 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
977 (cgraph_analyze_compilation_unit): Likewise.
978 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
979 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
980 (cgraph_early_inlinine): Make order garbage collected.
981 * Makefile.in (gt-ipa-inline): New garbagecollected file.
983 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
985 * dbxout.c (output_types_sort): Add a comment.
986 (output_used_types): Free the VEC.
988 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
990 * function.c (reorder_fix_fragments): Delete.
991 (reorder_blocks): Don't call it.
992 (reorder_blocks_1): Put all subblocks under the origin block.
994 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
996 PR rtl-optimization/27907
997 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1000 2006-07-25 Roger Sayle <roger@eyesopen.com>
1003 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1004 bar(x) check that bar's result type can represent all the values of T.
1006 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1008 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1010 2006-07-25 Nick Clifton <nickc@redhat.com>
1012 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1013 size_lookup[] array.
1014 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1015 (ggc_pch_count_object): Likewise.
1016 (ggc_pch_alloc_object): Likewise.
1017 (ggc_pch_write_object): Likewise.
1018 (init_ggc): Do not attempt to initialize entries in the
1019 size_lookup[] array for objects whose size is greater than than
1020 the length of the array.
1022 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1024 * dbxout.c (output_used_types_helper): Push queued types
1026 (output_types_sort): New.
1027 (output_used_types): Collect used types on a VEC and sort them
1030 2006-07-24 Richard Guenther <rguenther@suse.de>
1033 * cgraph.c (cgraph_remove_node): Do not check if dumps
1035 * cgraphunit.c (cgraph_optimize): Likewise.
1037 2006-07-24 Jan Hubicka <jh@suse.cz>
1039 PR rtl-optimization/28071
1040 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1041 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1042 splitting before first stmt.
1044 2006-07-24 Jan Hubicka <jh@suse.cz>
1046 PR rtl-optimization/28071
1047 * ipa-inline.c (update_caller_keys): Remove edges that
1048 are no longer inline candidates.
1050 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1053 * dbxout.c (output_used_types_helper, output_used_types): New.
1054 (dbxout_symbol): Call output_used_types.
1056 2006-07-23 Jan Hubicka <jh@suse.cz>
1060 * cgraph.c (cgraph_varpool_nodes): Export.
1061 (decide_is_variable_needed): Ignored "used" attribute in
1062 unit-at-a-time mode.
1063 * cgraph.h (cgraph_varpool_nodes): Declare.
1064 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1065 unit-at-a-time mode.
1067 2006-07-23 Roger Sayle <roger@eyesopen.com>
1070 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1071 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1072 the __gthrw form of thr_keycreate.
1073 (__gthread_key_delete): Silence the unused argument warning.
1075 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1078 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1079 Cache the last found '\0' marker to avoid quadratic behavior.
1081 2006-07-23 Jan Hubicka <jh@suse.cz>
1083 * i386.md (subsi_3_zext): Fix output template.
1085 2006-07-21 Mike Stump <mrs@apple.com>
1087 * doc/invoke.texi (C++ Dialect Options): Note that
1088 -fvisibility-inlines-hidden doesn't affect explicitly
1089 instantiationed inline methods.
1091 2006-07-20 Roger Sayle <roger@eyesopen.com>
1093 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1094 if the target assembler is GNU binutils' gas.
1095 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1096 whether to pass GNU gas or native as command line options.
1098 2006-07-20 Jason Merrill <jason@redhat.com>
1100 * tree.c (remove_attribute): New fn.
1101 * tree.h: Declare it.
1103 2006-07-20 Paul Brook <paul@codesourcery.com>
1106 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1107 they are invalidated by this instruction.
1109 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1112 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1114 2006-07-20 Eric Christopher <echristo@apple.com>
1117 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1119 2006-07-19 Eric Christopher <echristo@apple.com>
1121 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1122 Rewrite dependencies for libgcc_s.1.dylib.
1124 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1126 * except.c (duplicate_eh_regions_1): Clear next_peer.
1128 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1130 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1131 -mlongcall does not guarantee all calls will be long.
1132 * doc/extend.texi (long_call/short_call): Document that longcall
1133 does not guarantee a long call will be used.
1134 (longcall/shortcall): Likewise.
1136 2006-07-18 Roger Sayle <roger@eyesopen.com>
1139 * expmed.c (expand_shift): Additionally check that the shift_cost
1140 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1141 before implementing a LSHIFT_EXPR as a sequence of additions.
1142 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1143 middle-end that DImode shifts need to be synthesized by expand.
1145 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1148 * tree-ssa-operands.c (access_can_touch_variable): Update
1150 Return true if ALIAS is .GLOBAL_VAR.
1152 2006-07-18 David Daney <ddaney@avtrex.com>
1154 * gcc.c (display_help): Fix typo in help text.
1156 2006-07-18 Olivier Hainque <hainque@adacore.com>
1158 * tree.h (categorize_ctor_elements): Adjust prototype and add
1159 descriptive comment, both in accordance with the interface change
1161 * varasm.c (constructor_static_from_elts_p): New function.
1162 Whether a constructor node is a valid static constant initializer
1163 if all its elements are.
1164 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1165 * output.h: Declare it.
1166 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1167 is a valid constant initializer instead of computing the number of
1168 non-constant elements. Use constructor_static_from_elts_p for this
1169 purpose. Replace the head comment with an indication that this is a
1170 helper for categorize_ctor_elements.
1171 (categorize_ctor_elements): Same interface change as for the _1
1172 helper. Former head comment from this helper moved here, adjusted to
1173 account for the interface changes.
1174 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1175 (all_zeros_p): Likewise.
1176 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1177 static versions of the constructor from the categorize_ctor_elements
1178 return value instead of the formerly computed number of non-constant
1181 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1183 * configure: Regenerate.
1184 * Makefile.in (build_libsubdir): New configure substitution
1185 (build_libobjdir): New variable.
1186 (BUILD_LIBIBERTY): Use it.
1188 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1191 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1193 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1196 * c-common.c (handle_weakref_attribute): Ignore attribute in
1197 the same conditions the alias attribute is ignored.
1199 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1201 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1202 (dbxout_begin_prologue): Increment scope_labelno.
1204 2006-07-17 Richard Henderson <rth@redhat.com>
1207 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1210 2006-07-17 Roger Sayle <roger@eyesopen.com>
1211 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1213 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1214 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1215 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1216 functions such as sbrk, write, etc.. Add function prototypes.
1217 Convert function declarations from K&R to ISO C. Cast pointers
1218 to "long" and "unsigned long" instead of "int" and "unsigned int".
1219 Convert tokens following #endif into comments.
1221 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1223 * invoke.texi: Remove mention of f77; Reformat table for
1224 inline parameter options correctly; mention that -malign-double
1225 is default on x86-64 targets.
1227 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1229 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1230 (convert_affine_scev, chrec_convert_aggressive): Use
1231 avoid_arithmetics_in_type_p. Do not check for the subtypes
1234 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1237 * optabs.c (expand_doubleword_shift): Wrap the call to
1238 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1240 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1243 * optabs.c (expand_binop): Pass next_methods rather than methods
1244 to expand_doubleword_shift.
1246 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1249 * tree.h (dump_addr): Declare.
1250 * print-tree.c (dump_addr): New function.
1251 (print_node_brief, print_node): Use it.
1252 * print-rtl.c (print_rtx): Likewise.
1253 * common.opt (-fdump-noaddr): New option.
1254 * doc/invoke.texi (-fdump-noaddr): Document.
1255 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1256 (ve_info_hash): Likewise.
1258 2006-07-13 Andrew Haley <aph@redhat.com>
1260 PR tree-optimization/19505
1261 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1262 edge leaving this block, make sure that the destination of this
1263 block has only one predecessor.
1265 2006-07-17 Richard Guenther <rguenther@suse.de>
1267 PR tree-optimization/28238
1268 * tree-inline.c (copy_bb): Check if we produced valid
1269 gimple copying and substituting a stmt. If not, gimplify
1272 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1274 * optabs.c (maybe_encapsulate_block): New function extracted from...
1275 (emit_libcall_block): ...here. Invoke it on the block of insns to
1276 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1277 (emit_no_conflict_block): Likewise.
1279 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1281 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1283 2006-07-15 Roger Sayle <roger@eyesopen.com>
1285 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1286 a new NOP_EXPR case of the switch statement.
1288 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1291 * stor-layout.c (place_field): Take the bit field with
1292 an excessive size into account in the ms-bitfiled case.
1295 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1296 the previous bit field.
1298 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1301 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1303 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1305 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1306 signal frames correctly even when the signal was installed with
1309 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1311 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1312 (dbxout_function_end): Use local label LFBB. Remove hook
1314 (dbxout_source_line): Use local label LFBB.
1315 (dbxout_block): Likewise.
1316 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1317 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1318 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1319 and DBX_OUTPUT_NFUN.
1321 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1323 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1325 2006-07-13 Jan Hubicka <jh@suse.cz>
1327 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1329 * output.h (align_variable): Declare.
1330 * varasm.c (align_variable): Export.
1331 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1332 when basic block changed.
1334 2006-07-13 Nick Clifton <nickc@redhat.com>
1336 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1337 walking the LOG_LINKS chain.
1339 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1341 * doc/invoke.texi (C++ Dialect Options): Explain difference
1342 between -fvisibility-inlines-hidden and setting hidden
1343 visibility explicitly.
1345 2006-07-12 Eric Christopher <echristo@apple.com>
1347 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1348 (stmp-lipo): Depend on libgcc.a.
1350 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1352 * tree.c: Fix a comment typo.
1354 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1356 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1358 (umulhisi3_r): Likewise.
1360 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1363 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1364 x < 19, vs wchar_t support.
1366 2006-07-12 Nick Clifton <nickc@redhat.com>
1368 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1369 instead of -isa=sh4.
1371 2006-07-12 Mike Stump <mrs@apple.com>
1373 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1375 2006-07-10 Eric Christopher <echristo@apple.com>
1377 * config/t-slibgcc-darwin: Rewrite.
1379 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1382 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1385 2006-07-08 Matthias Klose <doko@debian.org>
1387 * doc/sourcebuild.texi: Fix typo.
1389 2006-07-07 Mike Stump <mrs@apple.com>
1391 * toplev.c (process_options): Don't give -ffunction-sections may
1392 affect debugging warning for Mach-O.
1394 2006-07-07 James E Wilson <wilson@specifix.com>
1396 * config/mips/mips.md (cpu): Add sb1a.
1397 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1398 addition to sb1. Adjust comments to clarify SB-1A differences from
1400 (ir_sb1a_load): New. Modify bypasses to use it.
1401 (ir_sb1a_simple_alu): Likewise.
1402 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1403 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1404 (mips_issue_rate): Add PROCESSOR_SB1A.
1405 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1406 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1407 (TARGET_SB1): Add PROCESSOR_SB1A check.
1408 (TUNE_SB1): Likewise.
1410 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1411 * config/mips/mips.c (mips_store_data_bypass_p): New.
1412 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1413 store_data_bypass_p.
1415 2006-07-08 Paul Brook <paul@codesourcery.com>
1418 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1420 2006-07-07 Richard Guenther <rguenther@suse.de>
1423 * tree.h (build_one_cst): Declare.
1424 * tree.c (build_one_cst): New function.
1425 * tree-ssa-math-opts.c (get_constant_one): Remove.
1426 (insert_reciprocals): Use build_one_cst.
1427 * fold-const.c (fold_plusminus_mult): Likewise.
1429 2006-07-07 Roger Sayle <roger@eyesopen.com>
1431 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1432 * cfgloopanal.c (dump_graph): Likewise.
1433 * dojump.c (discard_pending_stack_adjust): Likewise.
1434 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1436 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1437 * function.c (finalize_block_changes): Likewise.
1438 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1439 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1440 * rtl.c (dump_rtx_statistics): Likewise.
1441 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1443 * varray.c (dump_varray_statistics): Likewise.
1444 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1445 decode_decimal64, encode_decimal128, decode_decimal128,
1446 decimal_real_to_decimal): Likewise.
1448 2006-07-07 Richard Guenther <rguenther@suse.de>
1450 PR tree-optimization/28187
1451 * tree-vrp.c (vrp_operand_equal_p): New function.
1452 (vrp_bitmap_equal_p): Likewise.
1453 (update_value_range): Use them to compare old and new
1456 2006-07-06 Roger Sayle <roger@eyesopen.com>
1458 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1459 a default case to switch statement to silence compiler warnings.
1461 2006-07-06 Roger Sayle <roger@eyesopen.com>
1464 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1465 the configured assembler supports the x87's ffreep mnemonic.
1466 * configure: Regenerate.
1467 * config.in: Regenerate.
1469 * config/i386/i386.c (output_387_ffreep): New function.
1470 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1471 (output_387_reg_move): Likewise.
1473 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1475 Port to hosts whose 'sort' and 'tail' implementations
1476 treat operands with leading '+' as file names, as POSIX
1477 has required since 2001. However, make sure the code still
1478 works on pre-POSIX hosts.
1479 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1480 which says you should use "tail -c +N" rather than "tail +Nc".
1481 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1483 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1485 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1488 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1491 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1492 PRE_{INC,DEC} of TFmode.
1494 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1495 Alan Modra <amodra@bigpond.net.au>
1498 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1501 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1504 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1505 Remove duplicate gtu.
1507 2006-07-05 Jason Merrill <jason@redhat.com>
1511 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1512 * c-common.c (handle_packed_attribute): So don't copy it here.
1513 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1515 2006-07-05 Mike Stump <mrs@apple.com>
1517 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1519 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1522 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1524 2006-07-05 Richard Guenther <rguenther@suse.de>
1527 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1528 TARGET_SSE2 targets if using SSE math.
1529 (*absdf2_1): Likewise.
1531 2006-07-05 Richard Guenther <rguenther@suse.de>
1533 PR tree-optimization/28162
1534 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1535 make sure to convert the operands to the correct type.
1537 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1539 PR tree-optimization/28218
1541 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1542 to calculate and free the dominator information.
1544 2006-07-04 Peter O'Gorman <peter@pogma.com>
1546 * mklibgcc.in: chmod 644 before ranlib during install.
1548 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1549 J"orn Rennecke <joern.rennecke@st.com>
1551 * configure.ac (.eh_frame data check): Use diff -b.
1553 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1556 * Makefile.in (BUILD_RTL): Add build/vec.o.
1557 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1558 (build/genextract): Delete.
1559 (build/genautomata): Likewise.
1561 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1564 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1565 128-bit IBM long doubles for ABI_V4.
1567 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1569 * tree.c (range_in_array_bounds_p): New predicate.
1570 * tree.h (range_in_array_bounds_p): Declare it.
1571 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1572 return a less conservative answer.
1573 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1574 and flag 'is_group'.
1575 (IS_ELEMENT_FOR_GROUP): New macro.
1576 (FOR_EACH_ACTUAL_CHILD): Likewise.
1577 (next_child_for_group): New helper function.
1578 (can_completely_scalarize_p): Take into account groups.
1579 (sra_hash_tree): Handle RANGE_EXPR.
1580 (sra_elt_eq): Likewise.
1581 (lookup_element): Be prepared for handling groups.
1582 (is_valid_const_index): Delete.
1583 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1584 instead of is_valid_const_index.
1585 <ARRAY_RANGE_REF>: New case.
1586 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1587 is_valid_const_index.
1588 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1589 (scan_dump): Dump info for groups too.
1590 (decide_instantiation_1): Likewise.
1591 (decide_block_copy): Assert that the element is not a group.
1592 Propagate decision to groups.
1593 (generate_one_element_ref): Handle RANGE_EXPR.
1594 (mark_no_warning): Iterate over actual childs.
1595 (generate_copy_inout): Likewise.
1596 (generate_element_copy): Likewise.
1597 (generate_element_zero): Likewise.
1598 (generate_element_init_1): Likewise.
1599 (dump_sra_elt_name): Handle RANGE_EXPR.
1601 2006-07-03 Roger Sayle <roger@eyesopen.com>
1603 PR tree-optimization/26251
1604 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1605 (thread_block): When optimizing for size refuse to thread jumps
1606 that would require duplication of blocks other than redirection
1609 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1611 * configure.ac: Fix thinko in previous check-in.
1612 * configure: Regenerate.
1614 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1617 * configure.ac (for lang...): Simplify nesting of conditionals.
1618 Test subdir_requires for non-enabled languages. Move processing
1619 of lang_opt_files and lang_tree_fiels below that test.
1620 * configure: Regenerate.
1621 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1623 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1625 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1627 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1629 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1632 2006-06-29 Jason Merrill <jason@redhat.com>
1639 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1640 * c-common.c (c_determine_visibility): Handle it here.
1641 * c-decl.c (finish_decl): Call c_determine_visibility for
1643 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1645 * varasm.c (default_assemble_visibility): Likewise.
1646 * c-common.c (handle_visibility_attribute): Complain about trying
1647 to give visibility to an already defined class, or trying to change
1648 declared visibility. Always attach the attribute.
1653 * attribs.c (decl_attributes): Ignore type-in-place attributes
1654 once the type has been defined.
1656 2006-06-29 Roger Sayle <roger@eyesopen.com>
1659 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1660 to indicate the cpplib has issued an error message for us.
1662 2006-06-29 Asher Langton <langton2@llnl.gov>
1665 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1666 insert a label at the end of an function under Mach-O.
1668 2006-06-29 Eric Christopher <echristo@apple.com>
1669 Evan Cheng <evan.cheng@apple.com>
1671 * predicates.md (vector_all_ones_operand): New.
1672 (nonimmediate_or_sse_const_operand): Ditto.
1673 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1674 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1675 (standard_sse_mode_p): Ditto.
1676 (standard_sse_constant_p): Add case for -1 vector.
1677 (ix86_expand_vector_move): Try to use.
1678 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1679 Call standard_sse_constant_opcode.
1680 (*movv4sf_internal): Ditto.
1681 (*movv2df_internal): Ditto.
1683 2006-06-29 Roger Sayle <roger@eyesopen.com>
1685 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1686 of XEXP to extract the operands of a MATCH_CODE rtx.
1688 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1690 * tree.c (tree_size): Do not waste tail padding in
1691 struct tree_string and make the size be the same as
1692 build_string will generate.
1694 2006-06-28 Jason Merrill <jason@redhat.com>
1697 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1698 may_aliases already in the tag's annotations to the bitmap.
1700 2006-06-28 Roger Sayle <roger@eyesopen.com>
1702 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1704 2006-06-28 Roger Sayle <roger@eyesopen.com>
1706 * genpreds.c (generate_switch_p): New function.
1707 (add_mode_tests): Push the new mode test down inside an AND expr
1708 if this allows the switch-suitable MATCH_CODE to be near the root.
1709 (write_match_code_switch): New function to write a MATCH_CODE as
1711 (write_predicate_stmts): New function to write a predicate RTX
1712 expression as a sequence of statements.
1713 (write_one_predicate_function): Use write_predicate_stmts.
1714 (write_tm_constrs_h): Likewise.
1716 2006-06-26 Fred Fish <fnf@specifix.com>
1718 * config/mips/t-sb1: New file.
1719 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1722 2006-06-26 DJ Delorie <dj@redhat.com>
1724 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1726 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1727 Jayant Sonar <jayants@kpitcummins.com>
1728 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1730 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1731 (subsi3, subsi3_1, subsi3_2): New.
1732 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1733 * config/m32c/mov.md (SI mov peephole): New.
1734 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1735 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1737 2006-06-26 Olivier Hainque <hainque@adacore.com>
1739 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1740 a CALL_EXPR target function declaration.
1742 2006-06-26 Richard Guenther <rguenther@suse.de>
1744 * tree.c (build_string): Do not waste tail padding in
1747 2006-06-26 Richard Guenther <rguenther@suse.de>
1749 * ggc-page.c (init_ggc): Add missing element to size_lookup
1753 2006-06-23 Richard Guenther <rguenther@suse.de>
1755 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1756 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1757 alignment requests instead. Add verification code.
1758 Add struct tree_function_decl and struct tree_binfo size to
1759 extra_order_size_table. Add missing element to size_lookup
1762 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1765 * fold-const.c (const_binop): Be prepared for self returning zero.
1766 Simplify code handling complex values.
1768 2006-06-24 Olivier Hainque <hainque@adacore.com>
1770 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1771 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1774 2006-06-24 Olivier Hainque <hainque@adacore.com>
1776 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1777 ARRAY_REF, so have the callback called for the low bound expression.
1779 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1781 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1782 * c-typeck.c (c_common_type): Disallow operations on decimal float
1783 types and other float types.
1784 * convert.c (convert_to_real): Don't ignore conversions involving
1785 decimal float types.
1787 2006-06-23 Olivier Hainque <hainque@adacore.com>
1789 * tree.c (max_int_size_in_bytes): New function, inspired from
1790 code in function.c:assign_temp.
1791 * tree.h (max_int_size_in_bytes): Declare.
1792 * function.c (assign_temp): Use it.
1793 * gimplify.c (create_tmp_var): Relax the assertions on the type
1794 properties, not mandating constant size any more.
1795 (force_constant_size): New static function.
1796 (gimple_add_tmp_var): Use it, forcing variable size to a
1797 constant upper bound if it is not constant on entry.
1799 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1802 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1803 for initialization and setting of one_only flag to ...
1804 (i386_pe_encode_section_info): ...here.
1805 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1806 Recheck that the symbol has not been defined.
1808 2006-06-23 Richard Guenther <rguenther@suse.de>
1810 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1811 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1812 alignment requests instead. Add verification code.
1813 Add struct tree_function_decl and struct tree_binfo size to
1814 extra_order_size_table. Add missing element to size_lookup
1817 2006-06-22 Roger Sayle <roger@eyesopen.com>
1818 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1821 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1822 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1824 2006-06-23 Ben Elliston <bje@au.ibm.com>
1826 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1827 negate dn -- manipulate it directly.
1829 2006-06-22 Roger Sayle <roger@eyesopen.com>
1830 Steven Bosscher <stevenb.gcc@gmail.com>
1833 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1834 generated by gen_move_insn to add REG_LABEL notes if necessary.
1836 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1838 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1839 (leaf_entry): Remove use of MIN_ESA.
1841 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1843 PR rtl-optimization/28121
1844 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1847 2006-06-21 DJ Delorie <dj@redhat.com>
1849 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1851 (mulhisi3_r): Likewise.
1853 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1856 * coverage.c (coverage_counter_alloc): Leave the index type
1858 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1861 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1863 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1864 section from the "Options for Code Generation Conventions".
1866 2006-06-21 Richard Henderson <rth@redhat.com>
1870 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1872 (global_symbolic_operand): Allow weak symbols, even if local_p.
1874 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1876 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1877 (find_interesting_uses_address): Punt if above function returns true.
1879 2006-06-21 Richard Guenther <rguenther@suse.de>
1881 * configure: Regenerated.
1883 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1885 * config/mips/mips.c (function_arg): Where one part of a
1886 complex argument is in registers and the other part in the stack,
1887 return a REG not a PARALLEL.
1889 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1891 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1892 when cross-compiling. Do not substitute libstdcxx_incdir.
1893 * configure: Regenerated.
1895 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1897 * varasm.c (mergeable_string_section): Check for embedded NULs and
1898 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1899 rather than TREE_STRING_LENGTH bytes.
1901 2006-06-21 Richard Guenther <rguenther@suse.de>
1903 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1904 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1907 2006-06-21 Richrad Guenther <rguenther@suse.de>
1909 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1910 Limit iteration over the dominators.
1912 2006-06-20 Roger Sayle <roger@eyesopen.com>
1914 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1915 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1917 2006-06-20 Richard Guenther <rguenther@suse.de>
1918 Michael Matz <matz@suse.de>
1920 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1922 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1923 * et-forest.h (et_free_pools): Prototype new function.
1924 * et-forest.c (et_free_tree_force): Free parent occurrence.
1925 (et_free_pools): New function.
1926 * dominance.c (free_dominance_info): Free et-forest alloc
1929 2006-06-20 Roger Sayle <roger@eyesopen.com>
1931 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1932 integer modes, attempt to directly construct an integer constant.
1934 * fold-const.c (native_encode_vector): Determine the size of each
1935 element from the vector type instead of the first vector element.
1937 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1938 if all of its elements/components are constant.
1939 (build_constructor_from_list): Likewise.
1941 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1943 PR tree-optimization/27331
1944 * tree-data-ref.c (free_data_ref): New function.
1945 (create_data_ref): Fail if the data reference has unknown access
1947 (free_data_refs): Use free_data_ref.
1949 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1952 * tree-inline.c (setup_one_parameter): Strip useless
1953 type conversion before adding it to the IR.
1954 (declare_return_variable): Likewise.
1956 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1959 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1961 2006-06-19 Mike Stump <mrs@apple.com>
1963 * tree.c (variably_modified_type_p): VM arguments don't make the
1966 2006-06-19 Richard Guenther <rguenther@suse.de>
1968 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1969 type conversions after folding.
1971 2006-06-19 Richard Guenther <rguenther@suse.de>
1973 * ggc-page.c (extra_order_size_tab): Add entries with
1974 size of struct function and basic_block.
1975 (size_lookup): Extend to cover sizes up to 511.
1976 (ggc_alloc_stat): Adjust user.
1977 (ggc_pch_count_object): Likewise.
1978 (ggc_pch_alloc_object): Likewise.
1979 (ggc_pch_write_object): Likewise.
1981 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1983 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1984 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1987 2006-06-19 Denis Chertykov <denisc@overta.ru>
1989 * config/avr/libgcc.S : Correct my wrong previous commit.
1991 2006-06-19 Roger Sayle <roger@eyesopen.com>
1994 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1995 have stripped a SUBREG from the shift count, so we may need to
1996 convert_to_mode back to the type's mode before calling make_tree.
1997 Use new_amount instead of amount to avoid expanding a tree twice.
1999 2006-06-19 Richard Guenther <rguenther@suse.de>
2002 * fold-const.c (operand_equal_p): Check if the argument types
2003 have the same precision before stripping NOPs.
2005 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2007 Fix PR tree-optimization/27341
2008 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2010 * tree-complex.c (pass_lower_complex): Update SMT usage.
2012 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2014 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2015 Add a new alternative to the constraint strings. Add move of
2016 operand 1 to 3 to the splitter definition.
2017 ("doloop_si_long"): Second contraint alternative removed.
2019 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2021 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2022 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2024 (AVR_HAVE_MOVW) Define.
2025 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2026 (ASM_SPEC): Add avr25.
2027 (LINK_SPEC): Add avr25.
2028 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2029 (base_arch_s): Add new member 'have_movw_lpmx'.
2030 (avr_arch_types): Init 'have_movw_lpmx'.
2031 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2032 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2033 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2034 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2035 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2037 (avr_file_start): Do not output '.arh' derective.
2038 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2039 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2040 * config/avr/avr.md (mcu_enhanced): Delete.
2041 (mcu_have_movw): Define.
2042 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2043 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2044 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2045 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2046 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2047 attiny861 and at86rf401 devices.
2049 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2051 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2054 2006-06-17 Karl Berry <karl@gnu.org>
2056 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2057 doc/gccint.texi, doc/install.texi (@dircategory): Use
2058 "Software development" instead of "Programming", following
2059 the Free Software Directory.
2061 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2063 * config/i386/i386.c (legitimate_tls_address)
2064 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2065 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2066 (*tls_dynamic_gnu2_combine_64): Likewise.
2068 2006-06-16 Richard Guenther <rguenther@suse.de>
2071 * fold-const.c (negate_expr_p): Do not introduce undefined
2072 overflow in negating INTEGER_CSTs.
2073 (fold_negate_expr): Rename from negate_expr. Revert last
2074 change for folding BIT_NOT_EXPR. Change semantics to
2075 return NULL_TREE for non-simplified negations. Do not
2076 strip type conversions and unify type handling.
2077 (negate_expr): New function, wrap around fold_negate_expr
2078 but ensure building a tree always. Strip type conversions
2079 here, fold to result type.
2080 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2082 2006-06-16 Roger Sayle <roger@eyesopen.com>
2085 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2086 that (would) return their results in stack registers.
2088 2006-06-16 Michael Matz <matz@suse.de>
2089 Richard Guenther <rguenther@suse.de>
2091 * fold-const.c (fold_truthop): Only return new tree node if
2092 we canonicalized something.
2094 2006-06-16 Richard Guenther <rguenther@suse.de>
2096 * function.h (enum function_frequency): Move declaration
2097 out of struct function.
2098 (struct function): Move bool fields and the enum to the bitfield
2099 section. Reorder elements to avoid padding. Remove unused
2100 fields left over from the RTL inliner removal.
2101 * function.c (free_after_compilation): Do not zero removed fields.
2102 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2103 (ipa-type-escape.o): Likewise.
2105 2006-06-16 Richard Guenther <rguenther@suse.de>
2107 * cgraph.h (struct cgraph_local_info): Turn bool elements
2109 (struct cgraph_node): Likewise.
2110 (struct cgraph_varpool_node): Likewise.
2112 2006-06-15 Richard Guenther <rguenther@suse.de>
2114 * fold-const.c (fold_truth_not_expr): Rename from
2115 invert_truthvalue. Give it fold_* semantics to avoid
2117 (invert_truthvalue): New function. Wrapper around
2118 fold_truth_not_expr.
2119 (optimize_minmax_comparison): Avoid creating garbage.
2120 (fold_unary): Use fold_truth_not_expr for folding
2122 (fold_ternary): Replace uses of invert_truthvalue with
2123 fold_truth_not_expr where applicable.
2124 * tree.h (fold_truth_not_expr): Prototype.
2126 2006-06-16 Richard Guenther <rguenther@suse.de>
2128 PR tree-optimization/27781
2129 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2130 * ipa-pure-const.c (target.h): Include.
2131 (analyze_function): Do not analyze functions that do not
2134 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2137 * tree-dfa.c (referenced_vars_dup_list): Remove.
2138 (find_referenced_vars): Remove assert.
2139 (referenced_var_check_and_insert): Replace dup list with assert.
2140 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2141 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2143 2006-06-15 Richard Guenther <rguenther@suse.de>
2145 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2146 extra unused identifiers if not dumping.
2147 (create_variable_info_for): Likewise.
2149 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2151 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2152 (derive_constant_upper_bound): Derive more precise upper bound in
2153 common cases. Return type changed to double_int.
2154 (record_estimate): Reflect the changed return type of
2155 derive_constant_upper_bound.
2156 * double-int.c (double_int_zext, double_int_sext): Fix.
2158 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2160 * configure.ac (CFLAGS): Get them from the toplevel or from the
2161 configure invocation.
2162 * configure: Regenerate.
2163 * Makefile.in (CFLAGS): Substitute value provided by configure.
2165 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2168 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2169 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2170 rather than calling add_stmt on it.
2171 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2173 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2176 * reload1.c (reload): Remove registers returned by update_eliminables
2177 from used_spill_regs.
2179 2006-06-13 DJ Delorie <dj@redhat.com>
2181 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2183 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2185 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2186 html__strip_dir, html__mkdir_p. Enhance install-html target.
2187 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2188 * configure: Regenerate.
2190 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2192 * fold-const.c (fold_cond_expr_with_comparison): Check for
2193 Objective-C++ as language in deciding COND_EXPR transformation.
2195 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2198 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2199 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2200 * config/sh/lib1funcs.h (SL, SL1): Define.
2201 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2202 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2203 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2204 (OBJS_Os_4_200): New variable.
2205 ($(T)libgcc-Os-4-200.a): Use it.
2206 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2207 when dividing 1 and/or by 0.
2209 2006-06-13 Roger Sayle <roger@eyesopen.com>
2211 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2212 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2213 * configure: Regenerate.
2215 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2217 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2218 for real instruction.
2220 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2223 * haifa-sched.c (check_cfg): Handle special case.
2225 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2228 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2229 Add debug_info parameter. Chain the vars to the BLOCK instead
2230 of the BIND_EXPR if debug info are requested for them.
2231 (pop_gimplify_context): Adjust for above change.
2232 (gimple_add_tmp_var): Likewise.
2233 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2235 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2236 (convert_local_reference): Likewise.
2237 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2238 (finalize_nesting_tree_1): Request that debug info be emitted
2239 for debug_var_chain.
2241 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2243 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2244 for PR target/27863.
2246 2006-06-13 Richard Guenther <rguenther@suse.de>
2249 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2251 2006-06-13 Richard Guenther <rguenther@suse.de>
2253 PR tree-optimization/27830
2254 * tree-inline.c (copy_body_r): For copying the operand
2255 of an ADDR_EXPR make sure to fold &* afterwards.
2257 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2259 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2260 lvalues in the fb_none case with side-effects.
2262 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2264 * tree-flow.h: Remove the prototype for
2265 compute_phi_arg_on_exit.
2266 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2267 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2270 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2272 * builtins.c (expand_builtin_return_addr): Only use
2273 frame_pointer_rtx when count == 0 and we are expanding
2274 __builtin_return_address.
2276 2006-06-12 Fred Fish <fnf@specifix.com>
2278 * config/mips/mips.c (mips_file_start): Create special section
2279 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2281 2006-06-11 Eric Christopher <echristo@apple.com>
2284 * stor-layout.c (place_field): Remove check for
2285 remaining_in_alignment when aligning at the end of a run.
2287 2006-06-11 Eric Christopher <echristo@apple.com>
2290 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2293 2006-06-11 Roger Sayle <roger@eyesopen.com>
2296 Revert incorrect fix for PR target/27158
2297 2006-05-08 Roger Sayle <roger@eyesopen.com>
2298 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2299 of a reg_equiv_constant if the result is a legitimate constant.
2301 2006-06-11 Roger Sayle <roger@eyesopen.com>
2304 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2305 extract a CONST_VECTOR element and interpret it as an integer.
2306 (vspltis_constant): Use const_vector_elt_as_int instead of the
2307 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2308 * config/rs6000/predicates.md (easy_vector_const): Consider
2309 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2311 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2314 * stor-layout.c (update_alignment_for_field): Don't add extra
2315 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2318 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2320 * config/mips/t-rtems: Add EL/EB multilib variants.
2322 2006-06-09 Mike Stump <mrs@apple.com>
2324 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2326 2006-06-09 David Daney <ddaney@avtrex.com>
2328 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2330 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2332 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2334 2006-06-09 Richard Guenther <rguenther@suse.de>
2336 PR tree-optimization/26998
2337 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2338 of signed types, only TYPE_MIN_VALUE is special, but for both,
2339 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2340 in this case, as is -fwrapv.
2342 2006-06-08 Mike Stump <mrs@apple.com>
2345 * config/darwin.c (darwin_asm_output_anchor): Disable
2346 -fsection-anchors on darwin for now.
2347 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2348 * rs6000/rs6000.c (optimization_options): Likewise.
2350 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2353 * config/i386/i386.c (classify_argument): Skip fields with invalid
2356 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2358 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2359 (cse_insn): Likewise for the stack_pointer_rtx.
2361 2006-06-08 Roger Sayle <roger@eyesopen.com>
2363 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2364 conditions from floating point comparisons.
2366 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2369 * expmed.c (struct alg_hash_entry): Fix type of field T
2370 to match synth_mult argument.
2371 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2373 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2376 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2379 2006-06-08 Richard Guenther <rguenther@suse.de>
2382 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2383 only, if overflow is defined and not trapping.
2384 (negate_expr): Likewise.
2386 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2388 PR tree-optimization/27872
2389 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2390 flag on the new exit edge of the unrolled loop.
2392 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2394 PR rtl-optimization/26449
2395 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2397 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2400 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2401 referenced_variables with matching DECL_UID's.
2402 (find_referenced_vars): Make sure duplicate list is empty to start.
2403 (referenced_var_p): Remove.
2404 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2405 Check if var is in the list, and add if needed. Update the duplicate
2406 list if a different var is in the list with the same DECL_UID.
2407 (add_referenced_var): Call routine to check and insert.
2408 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2409 * tree-flow.h (referenced_vars_dup_list): External declaration.
2411 2006-06-07 Fred Fish <fnf@specifix.com>
2413 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2416 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2419 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2420 the imaginary and real parts of a clobbered register.
2421 Emit insn to set the imaginary part.
2423 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2425 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2426 in lieu of unwind-dw2-fde.c.
2428 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2430 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2432 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2435 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2436 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2437 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2438 V4SImode temporaries and operations instead.
2440 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2442 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2445 2006-06-06 Mike Stump <mrs@apple.com>
2447 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2448 installing during build.
2450 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2452 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2454 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2455 * config/ia64/ia64.c (params.h): New header.
2456 (ia64_optimization_options): New function to adjust parameters.
2457 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2458 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2459 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2461 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2463 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2465 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2468 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2470 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2471 Victor Kaplansky <victork@il.ibm.com>
2473 PR tree-optimization/26360
2474 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2477 2006-06-04 Roger Sayle <roger@eyesopen.com>
2478 Andrew Pinski <pinskia@physics.uc.edu>
2481 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2482 for LABEL_DECL before calling DECL_WEAK.
2485 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2486 LABEL_DECL and PARM_DECL.
2488 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2492 * c-decl.c (grokdeclarator): Disallow variably modified types at
2493 file scope. Avoid marking shared array type of constant size as
2496 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2499 * c-common.c (fold_offsetof_1): Handle static members.
2501 2006-06-04 Eric Christopher <echristo@apple.com>
2503 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2504 (debug_rli): Output value for remaining_in_alignment.
2505 (update_alignment_for_field): Unconditionalize
2506 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2507 extra alignment code.
2508 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2509 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2510 * tree.h (record_layout_info_s): Remove prev_packed.
2511 * doc/extend.texi (ms_struct): Add documentation of format.
2513 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2515 * tree.h: Declare folding_initializer.
2516 * builtins.c (fold_builtin_constant_p): Give definite answer
2517 if folding inside an initializer.
2518 * fold-const.c: Define folding_initializer.
2519 (START_FOLD_INIT): Save and then set folding_initializer.
2520 (END_FOLD_INIT): Restore folding_initializer.
2522 2006-06-04 Richard Guenther <rguenther@suse.de>
2524 PR tree-optimization/27039
2525 * fold-const.c (fold_comparison): Handle pointer comparison
2526 again for all comparison codes. Compare offsets in signed
2528 (fold_binary): Move code from here.
2530 2006-06-03 Roger Sayle <roger@eyesopen.com>
2533 * config/i386/i386.c (construct_container): Split static issued_error
2534 flag into issued_sse_arg_error, issued_sse_ret_error and
2535 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2536 requires the use of x87 registers and the user explicitly
2537 specified the -mno-80387 command line option.
2539 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2541 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2542 HAVE_DECL_SIGALTSTACK.
2544 (segv_handler): Use MC_FLD.
2545 * configure.ac: Check for a sigaltstack declaration.
2546 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2547 * configure: Regenerate.
2548 * config.in: Regenerate.
2550 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2553 * Makefile.in (stmp-fixinc): Fix typo.
2555 2006-06-02 Roger Sayle <roger@eyesopen.com>
2557 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2558 are type correct. Clean-up.
2559 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2560 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2562 2006-06-01 DJ Delorie <dj@redhat.com>
2564 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2565 shift, as we've disabled the "switch" insn that needs it.
2567 2006-06-01 Per Bothner <bothner@bothner.com>
2569 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2570 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2571 * c-ppoutput.c (cb_define): Don't increment line 0.
2573 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2575 * doc/invoke.texi: Add cpu_type power6.
2576 * config.gcc: Add cpu_type power6.
2577 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2578 to power5+ with Altivec.
2579 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2580 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2582 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2584 * config/avr/avr.h (SET_ASM_OP): Define.
2586 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2588 * config/bfin/bfin.c: Fix comment typos.
2590 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2593 * doc/install.texi: Document --enable-bootstrap and
2594 --disable-bootstrap.
2596 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2598 * doc/install.texi: Document that InfoZIP can replace jar.
2600 2006-05-31 Roger Sayle <roger@eyesopen.com>
2602 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2603 isn't available, directly generate the simpler x87 patterns without
2604 the (use (const_int 0)).
2605 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2606 implementation isn't available.
2607 (*negdf2_1): Likewise.
2608 (*negxf2_1): XF mode negation is always done using the x87.
2609 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2611 2006-05-31 Roger Sayle <roger@eyesopen.com>
2613 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2614 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2616 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2618 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2620 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2621 * config/bfin/bfin.c (basic-block.h): Include.
2622 (struct machine_function): New.
2623 (bfin_init_machine_status): New.
2624 (override_options): Initialize init_machine_status.
2625 (bfin_hardware_loop): New.
2626 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2627 (DEF_VEC_P (loop_info)): New.
2628 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2629 (struct loop_info): New.
2630 (loop_info): New typedef.
2631 (struct loop_work): New.
2632 (loop_work): New typedef.
2633 (DEF_VEC_O (loop_work)): New.
2634 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2635 (bfin_dump_loops): New.
2636 (bfin_bb_in_loop): New.
2637 (bfin_scan_loop): New.
2638 (bfin_optimize_loop): New.
2639 (bfin_reorg_loops): New.
2640 (bfin_reorg): Use bfin_reorg_loops.
2641 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2643 (I_REGNO_P): Simplify.
2644 (DP_REGNO_P, DPREG_P): New macros.
2645 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2646 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2647 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2648 Add LT_REGS, LC_REGS, LB_REGS.
2649 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2651 (REGNO_REG_CLASS): Deal with loop registers.
2652 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2654 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2655 New constants for loop registers.
2656 (UNSPEC_LSETUP_END): New.
2657 (seq_insns): New define_attr. Set it for appropriate insns.
2658 (movsi_insn): Add alternatives for move from/to
2659 loop count registers.
2660 (doloop_end): New define_expand.
2661 (loop_end): New define_insn.
2662 (define_split for bad doloop_end): New.
2663 (lsetup_with_autoinit): New define_insn.
2664 (lsetup_without_autoinit): New define_insn.
2665 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2666 * config/bfin/predicates.md (lc_register_operand): New.
2667 (lt_register_operand): New.
2668 (lb_register_operand): New.
2669 (nondp_register_operand): New.
2670 (nondp_reg_or_memory_operand): New.
2671 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2673 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2675 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2676 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2678 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2680 * Makefile.in (CATALOGS): Add po/ prefix.
2681 * configure: Regenerated.
2683 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2686 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2687 a shift operand before calling shift_op. Avoid redundant call of
2690 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2691 DJ Delorie <dj@redhat.com>
2693 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2694 we're inserting is a singlt-bit constant.
2696 2006-05-30 Roger Sayle <roger@eyesopen.com>
2698 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2699 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2701 2006-05-30 Roger Sayle <roger@eyesopen.com>
2703 PR tree-optimization/23452
2704 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2705 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2706 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2707 complex values and with -ffast-math for FP complex values.
2709 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2711 * c-common.h: Remove the prototype for yyparse.
2712 * rtl.h: Remove the prototype for init_loop.
2714 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2716 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2719 2006-05-30 Roger Sayle <roger@eyesopen.com>
2721 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2723 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2724 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2726 2006-05-30 Dirk Mueller <dmueller@suse.de>
2729 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2730 for CONSTANT_CLASS_P expresisons.
2732 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2735 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2737 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2739 PR tree-optimization/27779
2740 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2741 initial_condition instead of CHREC_LEFT.
2743 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2745 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2746 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2747 Make prototypes ISO C90.
2749 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2750 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2752 * see.c (see_analyze_one_def): Correct check.
2753 (see_get_extension_data): Check if extension is parallel.
2754 (see_get_extension_reg): Likewise.
2756 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2759 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2760 into register for (code == GTU).
2762 2006-05-29 Roger Sayle <roger@eyesopen.com>
2764 PR tree-optimization/24964
2765 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2766 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2767 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2768 abs(x)*abs(x) as x*x for scalar floating point modes.
2770 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2773 * lambda-code.c (perfect_nestify): Don't copy statements
2774 in the inner loop: move them to the inner loop header.
2776 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2779 * c-tree.texi: Document OpenMP directives and clauses.
2781 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2783 * varasm.c (globalize_decl): Fix indentation.
2785 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2788 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2789 pass_fre, pass_store_ccp, pass_copy_prop,
2790 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2791 pass_return_slot, pass_object_size, pass_lim,
2792 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2793 pass_loop_prefetch and pass_stdarg.
2795 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2797 * config/bfin/bfin.opt (mfdpic): New option.
2798 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2799 (EXTRA_MULTILIB_PARTS): Likewise.
2800 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2801 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2803 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2804 (CRT_CALL_STATIC_FUNCTION): New.
2805 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2807 (CRT_CALL_STATIC_FUNCTION): New.
2808 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2810 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2811 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2812 (initialize_trampoline): Changed to handle FD-PIC code generation.
2813 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2814 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2815 (override_options): Disallow -mid-shared-library -mfdpic combination.
2816 Can't do unaligned ops if FD-PIC.
2817 Turn off flag_pic if trying to generate non-id-shared-library
2818 non-fdpic code, since it's not supported.
2819 (bfin_assemble_integer): New function.
2820 (TARGET_ASM_INTEGER): Define.
2821 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2823 * config/bfin/crtn.s: Restore them.
2824 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2826 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2827 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2828 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2829 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2830 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2832 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2833 FDPIC_REGS and FDPIC_FPTR_REGS.
2834 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2835 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2836 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2837 (load_funcdescsi): New pattern.
2838 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2839 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2840 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2842 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2844 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2847 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2849 * tree-flow.h: Remove the prototype for add_type_alias.
2850 * tree-ssa-alias.c (add_type_alias): Remove.
2852 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2854 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2855 config/fr30/fr30.md, config/i386/i386-interix.h,
2856 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2857 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2858 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2859 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2860 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2861 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2862 Follow spelling conventions.
2863 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2864 Follow spelling conventions.
2866 2006-05-27 Richard Guenther <rguenther@suse.de>
2869 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2870 to produce a constant of value 1 of generic type.
2872 2006-05-27 Dirk Mueller <dmueller@suse.de>
2874 * cgraphunit.c (decide_is_function_needed): Fix wrong
2877 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2879 PR rtl-optimization/27661
2880 * reload.c (find_reloads): When reloading a VOIDmode constant
2881 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2882 use Pmode as mode of the reload register.
2884 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2886 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2887 is enabled at -O and above.
2889 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2892 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2895 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2898 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2899 for anonymous variables explicitly declared by front ends.
2901 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2903 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2904 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2905 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2906 ref-all pointers, run a finalization pass for them.
2907 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2908 (finalize_ref_all_pointers): New function.
2909 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2910 regular pointer type to a ref-all pointer type.
2911 (get_tmt_for): Return the special memory tag for ref-all pointers.
2913 2006-05-25 Richard Guenther <rguenther@suse.de>
2916 * fold-const.c (fold_binary): Do not look at the stripped
2917 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2919 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2921 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2922 for LT and GT if the computed range is effectively empty.
2924 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2927 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2928 mips_quad_format formats instead of ieee_single_format,
2929 ieee_double_format and ieee_quad_format formats, respectively.
2931 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2933 PR tree-optimization/27639
2934 PR tree-optimization/26719
2935 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2936 call to scev_probably_wraps_p.
2937 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2938 used_in_pointer_arithmetic_p, convert_step): Removed.
2939 (nowrap_type_p): New function.
2940 (scev_probably_wraps_p): Rewritten.
2941 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2942 chrec_convert if chrec_convert_aggressive might have been used.
2943 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2944 scev_direction): New functions.
2945 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2946 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2947 instead of convert_step.
2948 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2949 (convert_step): Declaration removed.
2950 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2952 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2954 * df-core.c: Added to header comments.
2955 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2956 df_ur_bb_info, df_urec_bb_info): Added comments.
2957 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2958 urec, ri problems): Fixed header comments.
2959 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2960 code from df_rd_transfer_function.
2962 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2964 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2965 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2966 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2968 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2970 * expr.c (undefined_operand_subword_p): New.
2971 (emit_move_multi_word): Do not generate move from undefined bits
2972 of a paradoxical subreg.
2974 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2976 PR rtl-optimization/27736
2977 * combine.c (replaced_rhs_value): New variable.
2978 (combine_instructions): Set it.
2979 (distribute_notes): When distributing a note in replaced_rhs_insn,
2980 check whether the value was used in replaced_rhs_value.
2982 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2985 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2986 add_referenced_var instead of add_referenced_tmp_var.
2987 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2988 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2990 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2991 tree_optimize_tail_calls_1): Use add_referenced_var.
2992 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2993 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2994 Use add_referenced_var.
2995 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2996 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2997 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2998 Use add_referenced_var.
2999 * tree-dfa.c (struct walk_state): Remove.
3000 (find_referenced_vars): Remove walk state and vars_found hash table.
3001 (make_rename_temp): Use add_referenced_var.
3002 (find_vars_r): Pass less parameters to add_referenced_var.
3003 (referenced_var_p): New. Is var in referenced_var hash table.
3004 (referenced_var_insert): Assert var isn't already in hash table.
3005 (add_referenced_var): Don't need walk_state parameter. Add var if it
3006 isn't already in the hash table.
3007 (add_referenced_tmp_var): Remove.
3008 (find_new_referenced_vars_1): Use add_referenced_var.
3009 * tree-ssa-pre.c (create_expression_by_pieces,
3010 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3011 Use add_referenced_var.
3012 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3013 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3014 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3016 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3017 vect_create_data_ref_ptr, vect_create_destination_var,
3018 vect_init_vector, vect_build_loop_niters,
3019 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3020 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3021 Use add_referenced_var.
3022 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3023 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3024 (add_referenced_var): Add prototype.
3025 * tree-ssa-structalias.c (get_constraint_for,
3026 intra_create_variable_infos): Use add_referenced_var.
3028 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3030 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3031 big-endian paradoxical subregs.
3032 * var-tracking.c (struct micro_operation_def): Document that,
3033 for modify micro operations, insn is the subsequent instruction.
3034 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3035 (var_reg_set, var_mem_set): ... new functions.
3036 (add_stores): Record subsequent insn.
3037 (compute_bb_dataflow): Use new functions for MO_USE.
3038 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3039 notes after the insn, and modify notes before the insn known
3040 to be the subsequent one.
3041 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3043 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3046 * config/i386/i386.c (ix86_expand_builtin): Use
3047 gen_sse3_monitor64 for TARGET_64BIT.
3049 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3051 PR rtl-optimization/26375
3052 PR rtl-optimization/26855
3053 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3055 (df_ru_bb_local_compute): Reversed statements and removed bogus
3056 comment explaining why they should be in wrong order.
3057 (df_ru_dump, df_rd_dump): Enhanced debug info.
3058 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3060 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3061 reaching uses and fixed space problem.
3063 2006-05-23 Jan Hubicka <jh@suse.cz>
3065 * cgraphunit.c (decide_is_function_needed): Also nested functions
3066 and functions declared inline can be optimized out at -O0.
3068 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3070 * doc/install.texi (Configuration): Remove reference to CrossGCC
3074 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3077 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3078 ix86_compare_emitted is non-NULL.
3080 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3083 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3086 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3088 PR rtl-optimization/25514
3089 * combine.c (replaced_rhs_insn): New variable.
3090 (combine_instructions): Set replaced_rhs_insn when trying to replace
3091 a SET_SRC with a REG_EQUAL note.
3092 (distribute_notes): Use replaced_rhs_insn when determining the live
3093 range of a REG_DEAD register.
3095 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3096 Anatoly Sokolov <aesok@post.ru>
3098 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3099 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3100 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3101 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3102 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3103 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3104 at90usb647, at90usb1286 and at90usb1287 devices.
3105 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3106 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3108 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3110 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3112 2006-05-22 Richard Guenther <rguenther@suse.de>
3115 2006-01-31 Richard Guenther <rguenther@suse.de>
3116 Paolo Bonzini <bonzini@gnu.org>
3118 * doc/install.texi (--disable-libgcc-math): Document.
3120 2006-05-22 Richard Guenther <rguenther@suse.de>
3123 2006-01-31 Richard Guenther <rguenther@suse.de>
3125 * doc/invoke.texi (-msselibm): Document.
3126 * target.h (expand_library_builtin): New target hook.
3127 * builtins.c (expand_builtin): Use expand_library_builtin.
3128 (default_expand_library_builtin): New function.
3129 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3130 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3131 (link_gcc_math_spec): Declare.
3132 (static_specs): Add link_gcc_math_spec.
3133 * expr.h (default_expand_library_builtin): Declare.
3134 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3135 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3136 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3137 * config/i386/i386.opt (msselibm): New target option.
3138 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3139 (ix86_init_sse_abi_builtins): New function.
3140 (ix86_expand_library_builtin): Likewise.
3141 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3142 (override_options): Handle error conditions wrt -msselibm.
3143 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3144 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3145 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3148 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3151 * c-common.c (self_promoting_args_p): Skip erroneous args.
3154 * c-decl.c (finish_struct): Skip erroneous fields.
3156 2006-05-22 Nick Clifton <nickc@redhat.com>
3158 * config/cris/cris.opt (march): Remove VarExists attribute.
3159 (max-stackframe=): Likewise.
3161 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3163 * doc/rtl.texi: Fix a typo.
3164 * see.c: Fix comment typos.
3166 * tree-ssa-structalias.h (alias_info): Remove num_references.
3168 2006-05-21 Mike Stump <mrs@apple.com>
3170 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3172 (darwin_pragma_options): Use BAD instead.
3173 (darwin_pragma_unused): Likewise.
3174 (darwin_pragma_ms_struct): Likewise.
3176 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3178 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3180 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3182 PR rtl-optimization/27671
3183 * simplify-rtx.c (simplify_relational_operation_1): Fix
3184 simplifications of (eq/ne (xor x y) y) and
3185 (eq/ne (xor x y) x).
3187 PR tree-optimization/26622.
3188 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3191 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3193 * tree-cfg.c: Prune whitespace.
3194 (debug_tree_cfg): Point to correct header containing the
3197 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3200 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3202 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3205 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3206 or sorry count is non zero.
3208 2006-05-20 Andreas Schwab <schwab@suse.de>
3210 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3212 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3213 Kenneth Zadeck <zadeck@naturalbridge.com>
3215 PR rtl-optimization/26855
3217 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3219 (df_scan_alloc): Added code to properly handle multiword hard
3220 registers and add all_blocks parameter.
3221 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3222 code to properly handle multiword hard registers.
3223 (df_rescan_blocks): Added code to remove deleted blocks from
3225 (df_ref_create_structure, df_ref_record): Added code to properly
3227 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3228 and set DF_REF_PARTIAL.
3229 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3230 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3231 (df_scan_add_problem): Added flags parameter.
3232 (df_ref_create_structure): Changed switching structure.
3233 (df_bb_refs_record): Fixed case where duplicate artificial refs
3234 were created. Changed location of flags.
3235 (df_record_entry_block_defs): Added code to make stack pointer
3236 live in entry block. Refined cases where frame pointer is needed.
3237 Changed location of flags.
3238 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3239 (df_set_state): Removed function.
3240 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3241 df_insn_create_insn_record, df_insn_refs_delete,
3242 df_ref_create_structure): Formatting changes.
3243 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3244 df_delete_basic_block): New function.
3245 (df_init): Changed location of flags.
3246 (df_add_problem): Added flags parameter and the way flags are
3248 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3249 debug_df_chain): Improved debugging output.
3250 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3251 (df_refs_chain_dump): Removed df parameter.
3252 (df_iterative_dataflow): Added consistency check.
3253 (df_prune_to_subcfg): Made public.
3254 (df_analyze_problem): Added blocks_to_init parameter and made
3256 (df_ref_record, df_bb_refs_record, df_mark_reg,
3257 df_record_exit_block_uses): Whitespace changes.
3258 (df_dump): Whitespace changes.
3259 * df.h: Some reordering to remove forward references.
3260 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3261 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3262 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3263 (dataflow.flags): New field.
3264 (df.flag): Deleted field.
3265 (df_alloc_function): Added additional bitmap parameter.
3266 (df_dependent_problem_function): New type.
3267 (df_problem.changeable_flags): New field.
3268 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3269 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3270 (df_mw_hardreg): New struct.
3271 (DF_INSN_UID_MWS): New macro.
3272 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3274 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3275 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3276 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3277 (df_set_state): Removed function.
3278 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3279 * df-problems.c (df_chain_dump): Removed df parameter.
3280 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3281 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3283 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3284 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3285 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3286 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3287 DF_REF_MUST_CLOBBER cases.
3288 (df_ru_bb_local_compute_process_def,
3289 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3290 df_lr_bb_local_compute, df_ur_bb_local_compute,
3291 df_chain_create_bb): Made subreg aware.
3292 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3293 df_lr_bb_local_compute, df_lr_bb_local_compute,
3294 df_chain_create_bb): Cleanup to use proper macros.
3295 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3296 code to fixup bitvectors.
3297 (df_ri_alloc): Cleared lifetime.
3298 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3299 df_create_unused_note): New function.
3300 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3301 REG_DEAD and REG_UNUSED notes as well as register information.
3302 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3303 df_chains_dump): Fixed crash if problem was never run.
3304 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3305 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3306 df_ri_add_problem): Processes flags in uniform manner.
3307 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3308 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3309 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3310 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3311 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3312 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3313 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3314 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3315 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3316 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3317 * see.c (see_initialize_data): Ditto.
3318 * final.c (rest_of_clean_state) Added regstack_completed.
3319 * rtl.h (regstack_completed): Ditto.
3320 * reg-stack.c (regstack_completed): Ditto.
3322 2006-05-19 Mike Stump <mrs@apple.com>
3324 * c-tree.h (default_conversion): Remove.
3325 * c-common.h (default_conversion): Add.
3327 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3329 * tree-vrp.c (valid_value_p): New function.
3330 (adjust_range_with_scev): Fail if the value of bound is not
3333 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3335 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3336 (mips_fallback_frame_state): Use syscall numbers to determine
3337 the appropriate li instruction for the current ABI. Only use
3338 __NR_sigreturn for o32.
3340 2006-05-19 Nicolas Setton <setton@adacore.com>
3342 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3343 * langhooks.c (lhd_dwarf_name): New function.
3344 * langhooks-def.h (lhd_dwarf_name): Declare.
3345 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3346 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3347 * ada/misc.c (gnat_dwarf_name): New function.
3348 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3350 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3352 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3354 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3355 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3356 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3357 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3358 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3359 determine the size of Wtype, etc.
3360 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3361 (swfloatfuncs): New variable.
3362 (dwfloatfuncs): Likewise.
3363 (lib2funcs): Remove floating-point conversion functions from
3364 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3365 the set of conversion routines needed. Allow entries to specify
3366 an object name, filename and word size. Update users accordingly.
3367 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3368 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3372 2006-02-08 Roger Sayle <roger@eyesopen.com>
3375 * config/fixtfdi.c: New libgcc source file.
3376 * config/fixunstfdi.c: New source file.
3377 * config/floatditf.c: New source file.
3378 * config/floatunditf.c: New souce file.
3379 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3380 files above instead of config/mips/_tilib.c.
3381 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3383 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3385 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3386 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3388 2006-05-18 Mike Stump <mrs@apple.com>
3390 Fix up vla, vm and [*] sematics.
3396 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3397 (c_vla_unspec_p): Add.
3398 (c_vla_type_p): Add.
3399 * c-decl.c (struct c_scope): Add had_vla_unspec.
3400 (build_array_declarator): Add support for [*].
3401 (grokdeclarator): Likewise.
3402 (grokparms): Likewise.
3403 (get_parm_info): Likewise.
3404 * c-objc-common.c (c_vla_unspec_p): Likewise.
3405 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3406 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3407 typeof when argument is a variably modified type not inside sizeof or alignof.
3408 (c_parser_direct_declarator_inner): Propagate errors.
3409 (c_parser_sizeof_expression): Add support for [*].
3410 (c_parser_parms_declarator): Initialize had_vla_unspec.
3411 (c_parser_parms_list_declarator): Likewise.
3412 * c-typeck.c (c_vla_type_p): Add.
3413 (composite_type): Add support for vla compositing.
3414 (comptypes_internal): Add support for vla compatibility.
3415 (c_expr_sizeof_expr): Evaluate vla arguments.
3416 * tree.c (variably_modified_type_p): Update comment for [*].
3418 2006-05-18 Michael Matz <matz@suse.de>
3421 * config.host: Make assignments to host_xmake_file cumulative.
3422 * config.host (*-darwin*): Test $host, not $target.
3424 2006-05-12 Stuart Hastings <stuart@apple.com>
3426 * config/i386/i386.opt (-mstackrealign): New flag.
3427 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3428 (ix86_handle_cconv_attribute): Emit error when
3429 force_align_arg_pointer attribute collides with too many regparms.
3430 (ix86_function_regparm): Limit regparms when used with
3431 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3432 Support stack-realigning prologue in non-main functions. Emit
3433 warning for nested functions under -mstackrealign, emit error for
3434 nested functions with force_align_arg_pointer attribute.
3435 * doc/extend.texi (force_align_arg_pointer): Document it.
3436 * doc/invoke.texi (-mstackrealign): Document it.
3438 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3440 PR rtl-optimization/27477
3441 * combine.c (try_combine): Don't split a parallel consisting
3442 of two sets into two individual sets if both sets reference
3445 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3447 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3448 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3450 * doc/options.texi (VarExists): Updated.
3452 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3454 * unwind-dw2.c: Add declarations for uw_update_context and
3456 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3457 detected, advance frame state and context once to skip over stub.
3459 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3463 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3464 Call rewrite_into_loop_closed_ssa only when something changed.
3465 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3466 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3467 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3468 Test for perfect_nest_p here. Fix formating.
3469 (replace_uses_equiv_to_x_with_y): Fix formating.
3470 (stmt_uses_op): Removed.
3471 (can_convert_to_perfect_nest): Removed loopivs parameter.
3472 Complete the test by checking the scalar dependences.
3473 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3476 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3479 From Dan Kegel <dank@kegel.com>:
3480 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3482 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3484 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3485 if the element type is variably modified without recursing.
3487 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3490 * tree-loop-linear.c (try_interchange_loops): Test for
3491 no data dependences.
3493 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3495 PR tree-optimization/27548
3496 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3497 range of ssa names that appear on abnormal edges.
3498 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3499 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3501 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3504 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3506 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3509 * tree.h (OMP_PARALLEL_COMBINED): Define.
3510 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3511 (new_omp_context): Add is_combined_parallel argument.
3512 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3513 new_omp_context caller.
3514 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3515 Adjust gimplify_scan_omp_clauses callers.
3516 (omp_is_private): Issue errors if iteration variable is firstprivate
3517 or reduction in the current context.
3518 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3519 on combined parallel workshare constructs.
3521 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3523 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3524 (gcc-options.o): New rule.
3526 * optc-gen.awk: Protect variables for gcc-options.o with
3527 #ifdef GCC_DRIVER/#endif.
3529 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3531 Fix PR tree-optimization/27373
3532 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3533 (forward_propagate_addr_expr): Update call.
3535 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3537 * doc/options.texi: Move the Negative option.
3539 2006-05-16 Richard Guenther <rguenther@suse.de>
3541 PR tree-optimization/22303
3542 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3544 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3545 ccp_fold did not simplify the statement.
3547 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3550 * Makefile.in (GCC_OBJS): New.
3551 (OBJS-common): Add opts-common.o.
3552 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3553 (cpp$(exeext)): Likewise.
3554 (gcc.o): Also depend on opts.h.
3555 (opts-common.o): New.
3557 * common.opt (gcoff): Add Negative(gdwarf-2).
3558 (gdwarf-2): Add Negative(gstabs).
3559 (gstabs): Add Negative(gstabs+).
3560 (gstabs+): Add Negative(gvms).
3561 (gvms): Add Negative(gxcoff).
3562 (gxcoff): Add Negative(gxcoff+).
3563 (gxcoff+): Add Negative(gcoff).
3564 * config/i386/i386.opt (m32): Add Negative(m64).
3565 (m64): Add Negative(m32).
3567 * doc/options.texi: Document the Negative option.
3569 * gcc.c: Include "opts.h".
3570 (main): Call prune_options after expandargv.
3572 * optc-gen.awk: Generate common declarations for all flag
3573 variables in options.c. Output the neg_index field.
3575 * opts.c (find_opt): Moved to ...
3576 * opts-common.c: Here. New file.
3578 * opts.h (cl_option): Add a neg_index field.
3580 (prune_options): Likewise.
3582 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3585 * omp-low.c (expand_omp_parallel): Don't assert
3586 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3587 instead search for it.
3590 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3593 2006-05-16 Andreas Schwab <schwab@suse.de>
3595 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3598 2006-05-15 Roger Sayle <roger@eyesopen.com>
3601 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3602 integer constants other than zero are only legitimate on TARGET_64BIT.
3603 <CONST_VECTOR> Only zero vectors are legitimate.
3604 (ix86_cannot_force_const_mem): Integral and vector constants can
3605 always be put in the constant pool.
3607 2006-05-16 DJ Delorie <dj@redhat.com>
3609 * crtstuff.c (__dso_handle): Set section from
3610 TARGET_LBIGCC_SDATA_SECTION if defined.
3611 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3612 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3614 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3617 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3620 2006-05-16 Ben Elliston <bje@au.ibm.com>
3622 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3624 2006-05-15 Per Bothner <per@bothner.com>
3626 * tree.c: (last_annotated_node): Use source_locus typedef.
3627 This permits bootstrapping with --enable-mapped-location.
3629 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3631 PR tree-optimization/26830
3632 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3633 (info_for_ssa_name, current_info_for_ssa_name_age,
3634 blocks_to_update): New variables.
3635 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3636 (clear_ssa_name_info, initialize_flags_in_bb,
3637 mark_block_for_update): New functions.
3638 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3639 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3640 prepare_def_site_for): Use mark_block_for_update.
3641 (mark_def_interesting): Assert that the processed block is marked in
3642 blocks_to_update. Do not take blocks argument.
3643 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3645 (rewrite_update_init_block, rewrite_update_stmt): Only process
3646 blocks with statements to rewrite.
3647 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3648 (update_ssa): Initialize and free blocks_to_update. Do not
3649 clear flags on statements. Do not use blocks bitmap.
3650 * tree.h (SSA_NAME_AUX): Removed.
3651 (struct tree_ssa_name): Removed aux field.
3652 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3654 2006-05-15 Richard Guenther <rguenther@suse.de>
3656 PR tree-optimization/27603
3657 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3658 Do computations in original type.
3660 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3662 * see.c: Code style changes such as redundant paranthesis,
3663 redundant intialization of local variables etc.
3664 (see_main): Declared now as static.
3665 * doc/invoke.texi: Update that -fsee is not enabled by
3668 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3670 * omp-low.c (check_omp_nesting_restrictions): New function.
3671 (scan_omp_1): Call it.
3674 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3675 construct, return *VAR.
3677 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3679 PR rtl-optimization/27406
3680 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3683 2006-05-14 Roger Sayle <roger@eyesopen.com>
3685 PR rtl-optimization/27538
3686 * combine.c (expand_compound_operation): Call gen_lowpart
3687 before calling simplify_shift_const.
3689 2006-05-14 Roger Sayle <roger@eyesopen.com>
3691 PR rtl-optimization/22563
3692 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3693 a fixed width bitfield, always force the intermediates into psuedos.
3695 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3698 * mkconfig.sh: Use operator = instead of == for test.
3700 2006-05-13 Nick Clifton <nickc@redhat.com>
3702 * dwarf2out.c (dbx_reg_number): Check return value from
3703 LEAF_REG_REMAP and only use it if it is valid.
3704 (multiple_reg_loc_descriptor): Likewise.
3706 2006-05-13 Richard Guenther <rguenther@suse.de>
3708 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3711 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3713 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3714 information attached to non-INSNs such as NOTEs.
3715 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3717 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3719 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3721 * config/s390/s390.md: Adjust comment describing On constraint.
3723 2006-05-11 Jan Hubicka <jh@suse.cz>
3725 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3726 to be output at -O0.
3728 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3731 * fold-const.c (size_binop): Move sanity check for arguments to
3732 the beginning of the function.
3735 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3738 2006-05-11 Richard Guenther <rguenther@suse.de>
3741 * fold-const.c (fold_unary): Handle intermediate conversion
3742 to a pointer type like intermediate conversion to an integer
3743 type in folding of (T1)(T2)var to var.
3744 Match the code to the comment in the final conversion for
3745 (T1)(T2)var to (T1)var regarding to type precision. Rather
3746 than disallow T1 being of pointer type, assert that both T1
3747 and var are of pointer type or not. Make sure not to fall
3748 over the frontends lazyness wrt array to pointer decay though.
3750 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3752 * arm.c (arm_struct_value_rtx): Delete.
3753 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3754 (arm_init_cumulative_args): Always initialize nregs to zero.
3756 2006-05-10 Richard Guenther <rguenther@suse.de>
3758 PR tree-optimization/27532
3759 * tree-object-size.c (plus_expr_object_size): Fix typo.
3761 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3764 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3765 ashrdi_const, ashrdi3): Use a scratch register.
3767 2006-05-10 Richard Guenther <rguenther@suse.de>
3769 PR tree-optimization/27302
3770 * fold-const.c (operand_equal_p): For two comparisons,
3771 try comparison of one comparison code swapped if that yields
3774 2006-05-10 Ben Elliston <bje@au.ibm.com>
3776 * tree-pretty-print.c (pretty_print_string): No need to handle
3777 '\0' as a special character.
3779 * tree.h: Include "hashtab.h".
3780 (iterative_hash_expr): Use hashval_t in its prototype.
3781 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3783 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3786 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3787 (hppa*64*-*-hpux11*): Ditto.
3788 (hppa[12]*-*-hpux11*): Ditto.
3790 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3793 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3795 2006-05-09 Michael Matz <matz@suse.de>
3797 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3798 host_extra_gcc_objs and host_xmake_file.
3799 (<*-*-linux*>): Don't overwrite host_xmake_file.
3800 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3801 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3802 (host_detect_local_cpu): Declare.
3803 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3804 * config/i386/i386.c (override_options): Handle -mtune=native
3806 * config/i386/x-i386: New file.
3807 * config/i386/driver-i386.c: New file.
3808 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3811 2006-05-09 Dirk Mueller <dmueller@suse.de>
3812 Richard Guenther <rguenther@suse.de>
3815 * fold-const.c (fold_read_from_constant_string): Relax check
3816 for matching types to matching modes.
3818 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3820 PR rtl-optimization/27335
3821 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3824 2006-05-08 Chao-ying Fu <fu@mips.com>
3825 Richard Sandiford <richard@codesourcery.com>
3827 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3828 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3829 * config/mips/mips.md (UNSPEC_SCC): New constant.
3830 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3831 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3832 (mips_emit_compare): Use it.
3833 (mips_expand_vcondv2sf): New function.
3835 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3837 Fix PR tree-optimization/27093
3838 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3839 renaming when they become not-used_alone.
3841 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3843 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3844 relocation and relocation stubs.
3846 2006-05-08 Eric Christopher <echristo@apple.com>
3848 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3851 2006-05-08 Jan Hubicka <jh@suse.cz>
3854 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3855 unused static functions are needed.
3857 2006-05-08 Roger Sayle <roger@eyesopen.com>
3860 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3861 of a reg_equiv_constant if the result is a legitimate constant.
3863 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3866 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3867 standard 80387 constants, raise the cost to prevent
3868 compress_float_constant() to generate load from memory.
3870 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3872 * config/arm/constraints.md (c): Fix a typo.
3874 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3877 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3880 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3882 (_mm_mwait): Likewise.
3884 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3886 (sse3_monitor): Make it 32bit only.
3887 (sse3_monitor64): New. 64bit monitor.
3889 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3892 * config/i386/i386.c (classify_argument): Skip fields with invalid
3895 2006-05-07 Richard Guenther <rguenther@suse.de>
3897 PR tree-optimization/27409
3898 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3899 Do not try to find zero-sized subvars.
3901 2006-05-07 Richard Guenther <rguenther@suse.de>
3903 PR tree-optimization/27136
3904 * tree-ssa-loop-niter.c (get_val_for): Correct function
3905 comment, assert requirements.
3906 (loop_niter_by_eval): Stop processing if the iterated
3907 value did not simplify.
3909 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3911 * opts.c (flag_see): remove its setting at -O3.
3913 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3915 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3916 * arm/constraints.md: New file.
3917 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3918 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3919 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3920 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3921 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3922 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3923 * arm.md: Include constraints.md.
3924 (thumb_movsi_insn): Use satisfies_constraint_J.
3925 (movhi, movqi): Use satisfies_constraint_I.
3927 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3929 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3930 for atmeg a645 device.
3932 2006-05-06 Richard Guenther <rguenther@suse.de>
3934 PR tree-optimization/27151
3935 * tree-vect-transform.c (vectorizable_condition): Punt on
3936 values that have a different type than the condition.
3938 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3941 * c-parser.c (c_parser_cast_expression): Only insert casts into
3942 hash table if pointer.
3943 * function.c (used_types_insert_helper): Rename from
3945 (used_types_insert): Call used_types_insert_helper.
3946 * function.h (used_types_insert): Accept only one argument.
3948 2006-05-05 David Edelsohn <edesohn@gnu.org>
3950 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3951 scratch with output modifier.
3953 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3956 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3957 with output modifier.
3959 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3962 * config/mips/mips.c (mips_symbolic_address_p): Return true
3963 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3964 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3966 2006-05-04 Richard Guenther <rguenther@suse.de>
3968 PR tree-optimization/14287
3969 PR tree-optimization/14844
3970 PR tree-optimization/19792
3971 PR tree-optimization/21608
3972 PR tree-optimization/27090
3973 * tree-ssa-pre.c (try_combine_conversion): New function.
3974 (compute_avail): After constructing the value-handle
3975 expression, use try_combine_conversion to combine NOP_EXPRs
3976 with previous value-handle expressions and use the result if it
3979 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3981 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3983 2006-05-04 Jan Hubicka <jh@suse.cz>
3986 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3988 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3990 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3991 that this only matches CONST_INTs. All users changed to VOIDmode
3994 * config/bfin/bfin.c: Include "optabs.h".
3995 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3997 (enum bfin_builtins): Add a number of fractional and vector builtins.
3998 (bfin_init_builtins): Likewise.
3999 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4000 (safe_vector_operand, bfin_expand_binop_builtin,
4001 bfin_expand_unop_builtin): New functions.
4002 (bfin_expand_builtin): Handle the new builtins.
4003 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4006 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4009 * Makefile.in (OBJS-common): Add see.o.
4010 (see.o): Add dependencies.
4011 * common.opt (fsee): New flag for the see optimization was added.
4012 * opts.c (flag_see): Initialized.
4013 * passes.c (init_optimization_passes, pass_see): New pass.
4014 * rtl.h (see_main): Declaration as extern.
4015 * timevar.def (TV_SEE): New.
4016 * tree-pass.h (pass_see): Declaration as extern.
4017 * invoke.texi (-fsee): Document.
4018 * recog.c (validate_simplify_insn): New function.
4019 * recog.h (validate_simplify_insn): Declaration as extern.
4020 * df-problems.c (df_chain_dump): Check for NULL.
4022 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4023 Daniel Berlin <dberlin@dberlin.org>
4025 * cfgrtl.c (insert_insn_bb_end_new): New function.
4026 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4028 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4030 * df.h (struct web_entry): Moved from web.c.
4031 (union_defs): Declaration as extern.
4032 (unionfind_root): Likewise.
4033 (unionfind_union): Likewise.
4034 * web.c (struct web_entry): Moved to df.h.
4035 (unionfind_root): Remove static declaration.
4036 (unionfind_union): Likewise.
4037 (union_defs): Likewise and generalize to use callback function.
4038 (web_main): Update arguments for union_defs function call.
4040 2006-05-04 Richard Guenther <rguenther@suse.de>
4042 PR tree-optimization/26447
4043 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4044 produce SSA_NAME copies before the store stmt to avoid
4045 breaking exception handling.
4047 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4050 * gimplify.c (omp_is_private): If var is shared in some outer context,
4051 return false instead of true. Stop searching on parallel context
4054 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4057 * coverage.c: Use get_gcov_unsigned_t() instead of
4058 unsigned_type_node all over.
4060 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4062 PR tree-optimization/27381
4063 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4064 maintain the same immediate_use links.
4065 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4066 node rather than segfaulting.
4068 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4071 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4072 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4073 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4075 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4077 Fix PR tree-optimization/26626
4078 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4080 * tree-ssa-operands.c (access_can_touch_variable): Allow
4081 typecasting through union pointers.
4083 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4086 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4087 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4088 to find if var will be a global variable even in the nested context.
4089 (omp_copy_decl): Only check for global variable at the end, it might
4090 be overridden in outer contexts.
4091 (scan_sharing_clauses): For global variables don't create a field.
4092 (lower_rec_input_clauses): Do nothing for global shared variables.
4093 Emit a barrier at the end of ILIST if there were any decls in both
4094 firstprivate and lastprivate clauses.
4095 (lower_send_clauses): Do nothing for global variables except for
4098 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4100 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4101 of the correct signedness is returned.
4103 2006-05-02 Jeff Law <law@redhat.com>
4105 PR tree-optimization/27364
4106 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4107 multiply expressions.
4109 2006-05-02 Tom Tromey <tromey@redhat.com>
4111 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4113 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4116 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4117 -mthumb -fPIC are used.
4119 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4120 Joshua Kinard <kumba@gentoo.org>
4123 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4124 with 64-bit pointers.
4126 2006-05-02 Paul Brook <paul@codesourcery.com>
4128 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4130 (create_fix_barrier): Check that a suitable barrier location is
4132 (arm_reorg): Include ftmp->address in allowable range of addresses.
4134 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4137 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4140 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4143 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4144 around RESULT_DECL for result passed by reference.
4145 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4146 * omp-low.c (use_pointer_for_field): Don't look at
4147 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4148 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4149 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4150 time or var for passing by reference for
4151 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4152 TREE_ADDRESSABLE variables when passing by reference.
4154 * omp-low.c (dump_omp_region): Fix output formatting.
4157 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4158 (expand_omp_parallel): Likewise.
4159 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4162 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4163 on statement list containing also constructors and destructors.
4164 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4167 * except.c (duplicate_eh_regions): Fix clearing of
4168 cfun->eh->region_array entries.
4170 2006-05-01 DJ Delorie <dj@redhat.com>
4172 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4174 (gcc_cv_objdump): Likewise.
4175 * configure: Regenerated.
4177 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4180 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4181 templates for case 3 and 4.
4183 2006-05-01 DJ Delorie <dj@redhat.com>
4185 * vec.c: Include bconfig.h when appropriate.
4186 * Makefile.in (build/vec.o): Adjust dependencies.
4187 * mkconfig.sh: Make sure config.h isn't used for build machine
4190 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4192 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4194 (mark_phi_for_rewrite): New function.
4195 (insert_phi_nodes_for, mark_use_interesting): Call
4196 mark_phi_for_rewrite.
4197 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4198 (update_ssa): Initialize and free phis_to_rewrite.
4200 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4202 PR rtl-optimization/27291
4203 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4204 folded to a constant.
4206 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4208 PR tree-optimization/27283
4209 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4210 not whole # of iteration descriptions.
4211 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4212 uses abnormal ssa name.
4213 (niter_for_single_dom_exit): Ditto.
4214 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4215 return just the number of iterations.
4217 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4219 PR tree-optimization/27144
4220 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4221 (record_estimate): Only record constant upper bound.
4222 (infer_loop_bounds_from_undefined): Call
4223 compute_estimated_nb_iterations just once.
4224 (proved_non_wrapping_p): Renamed to ...
4225 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4226 (convert_step_widening, scev_probably_wraps_p): Call
4227 n_of_executions_at_most instead of proved_non_wrapping_p.
4228 (substitute_in_loop_info): Do not replace values in bounds.
4229 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4232 2006-05-01 Richard Henderson <rth@redhat.com>
4235 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4236 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4239 2006-05-01 Roger Sayle <roger@eyesopen.com>
4241 * c-typeck.c (parser_build_binary_op): Don't call the function
4242 unsigned_conversion_warning to spot operand/result type overflow.
4243 (build_binary_op): Instead, call convert_and_check instead of
4244 convert to report the problem when the operands are promoted.
4245 * c-common.c (unsigned_conversion_warning): Make static.
4246 * c-common.h (unsigned_conversion_warning): Delete prototype.
4248 2006-05-01 Richard Guenther <rguenther@suse.de>
4250 PR tree-optimization/26726
4251 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4253 (find_interesting_uses_address): ... we work around here
4254 by folding INDIRECT_REFs in the substituted base.
4256 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4258 * omp-low.c (dump_omp_region): Add newlines.
4260 2006-04-30 Roger Sayle <roger@eyesopen.com>
4262 * common.opt (Woverflow): New command line option.
4263 * c-common.c (constant_expression_warning): Check warn_overflow.
4264 (overflow_waring): Pass OPT_Woverflow to warning.
4265 (unsigned_conversion_warning): Likewise.
4266 (convert_and_check): Likewise.
4267 * doc/invoke.texi: Document new command line option.
4269 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4271 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4272 TARGET_NO_FP_IN_TOC for section anchors.
4273 (optimization_options): Enable section anchors for all
4274 non-"Objective" languages.
4276 2006-04-28 Eric Christopher <echristo@apple.com>
4278 * config/darwin-c.c (darwin_ms_struct): Move this
4279 (darwin_set_default_type_attributes): and this...
4280 * config/darwin.c: ... here.
4281 * config/darwin.h (darwin_ms_struct): Declare.
4283 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4285 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4287 2006-04-28 Roger Sayle <roger@eyesopen.com>
4290 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4291 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4292 an unsigned HOST_WIDE_INT.
4293 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4295 (really_start_incremental_init): No need to call convert because
4296 bitsize_zero_node is already of type bitsizetype.
4297 (push_init_level): Extract the value of constructor_index as an
4298 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4299 (process_init_element): Likewise.
4301 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4303 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4304 value before passing to make_relative_prefix.
4306 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4309 * builtins.c (expand_builtin_memset): Expand val in original mode.
4311 2006-04-27 Eric Christopher <echristo@apple.com>
4313 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4314 with #ifndef/#endif.
4315 * config/darwin-c.c (darwin_ms_struct): New.
4316 (darwin_pragma_ms_struct): Ditto.
4317 (darwin_set_default_type_attributes): Ditto.
4318 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4319 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4320 Register ms_struct pragma.
4321 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4322 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4323 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4324 darwin_set_default_type_attributes if TARGET_MACHO.
4326 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4328 PR tree-optimization/26854
4329 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4330 * doc/tree-ssa.texi: Update immuse iterator documentation.
4331 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4332 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4333 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4334 first_safe_imm_use, next_safe_imm_use): Remove.
4335 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4336 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4337 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4338 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4339 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4340 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4341 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4342 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4343 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4344 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4345 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4346 (perfect_nestify): Use new iterator.
4347 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4349 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4350 (next_imm_name): New field in struct immediate_use_iterator_d.
4351 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4352 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4353 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4354 * tree-cfg.c (replace_uses_by): Use new iterator.
4355 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4356 * tree-ssa-operands.c (correct_use_link): Remove.
4357 (finalize_ssa_use_ops): No longer call correct_use_link.
4359 2006-04-27 Stuart Hastings <stuart@apple.com>
4361 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4362 * config/t-darwin (crt3.o): Use it.
4363 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4364 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4365 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4366 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4367 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4370 2006-04-27 Roger Sayle <roger@eyesopen.com>
4372 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4373 size, force the intermediate into a new pseudo rather instead of
4374 performing both a bitwise AND and a bitwise IOR in memory.
4376 2006-04-27 Richard Guenther <rguenther@suse.de>
4378 PR rtl-optimization/26685
4379 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4380 this one "max-flow-memory-locations".
4382 2006-04-27 Richard Guenther <rguenther@suse.de>
4384 PR tree-optimization/25148
4385 * tree-vrp.c (compare_values): Remove code dealing with
4386 comparisons against type min/max value. Honour overflow
4387 and negative constants in code dealing with comparisons
4388 of plus and minus expressions.
4389 (value_inside_range): Use fold_binary with LE_EXPR and
4390 GE_EXPR rather than compare_values.
4392 2006-04-27 Dirk Mueller <dmueller@suse.de>
4394 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4397 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4399 * basic-block.h (safe_insert_insn_on_edge): Removed.
4400 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4402 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4403 Paolo Bonzini <bonzini@gnu.org>
4406 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4407 (simplify_and_const_int): Same.
4409 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4411 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4413 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4416 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4417 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4418 cgraph_global_info_ready.
4421 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4424 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4425 either decl or init is error_mark_node.
4428 * tree-flow.h (struct omp_region): Add sched_kind.
4429 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4430 instead of extracting omp for data.
4431 (expand_omp_for): Save extracted sched_kind.
4433 2006-04-25 Roger Sayle <roger@eyesopen.com>
4435 * expmed.c (store_bit_field): Also check whether the bitsize is
4436 valid for the machine's "insv" instruction before moving the
4437 target into a pseudo for use with the insv.
4438 * config/i386/predicates.md (const8_operand): New predicate.
4439 * config/i386/i386.md (extv, extzv, insv): Use the new
4440 const8_operand predicate where appropriate.
4442 2006-04-25 DJ Delorie <dj@redhat.com>
4444 * doc/install.texi (Specific): Clarify that this is not a list of
4445 supported hosts or targets.
4447 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4449 PR rtl-optimization/26725
4450 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4451 block's BB_DIRTY flag.
4453 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4455 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4458 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4459 to print an integer.
4461 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4463 * varasm.c (align_variable): New function.
4464 (get_block_for_decl): Apply align_variable to DECL before
4465 calculating section information.
4466 (assemble_variable): Split out alignment computation.
4468 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4470 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4473 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4475 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4476 MODE_PARTIAL_INT mode.
4477 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4478 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4480 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4481 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4483 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4485 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4487 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4488 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4489 MACFLAG_IH): Likewise.
4490 (movstricthi_1): Renamed from "*movstricthi".
4491 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4492 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4493 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4494 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4495 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4496 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4497 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4498 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4499 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4500 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4501 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4502 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4503 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4504 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4505 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4507 * doc/rtl.texi (ss_ashift): Improve wording.
4509 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4511 * dwarf2out.c (verify_marks_clear): New.
4512 (prune_unused_types): Call verify_marks_clear initially, not
4515 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4517 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4518 * doc/rtl.texi: Document them.
4519 * simplify-rtx.c (simplify_unary_operation,
4520 simplify_binary_operation_1): Don't abort when we see them.
4522 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4525 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4526 * configure.ac: Completely disregard languages that are not
4528 * configure: Regenerated.
4530 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4531 Richard Guenther <rguenther@suse.de>
4533 PR tree-optimization/27236
4534 * tree-inline.c (copy_body_r): Make sure to copy
4535 TREE_THIS_VOLATILE flag.
4537 2006-04-24 Richard Guenther <rguenther@suse.de>
4540 * tree-complex.c (update_parameter_components): Don't handle
4541 unused parameters which have no default def.
4543 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4544 Richard Guenther <rguenther@suse.de>
4546 PR tree-optimization/27218
4547 * tree-inline.c (expand_call_inline): Strip useless type
4548 conversions for the return slot address.
4550 2006-04-24 Richard Guenther <rguenther@suse.de>
4552 * cfgloop.h (struct loops): Remove unused field array. Reorder
4554 (LOOP_PREFETCH): Remove.
4556 2006-04-24 Richard Guenther <rguenther@suse.de>
4558 PR tree-optimization/22525
4559 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4560 variable, adjust types of generated expressions.
4562 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4564 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4565 (tree-vect-patterns.o): Likewise.
4567 (cselib.o): Likewise.
4568 (loop-doloop.o): Likewise.
4569 (regclass.o): Likewise.
4570 (reload1.o): Likewise.
4571 (explow.o): Replace target.h with $(TARGET_H).
4572 (ipa-prop.o): Likewise.
4573 (ipa-cp.o): Likewise.
4574 (ipa-inline.o): Likewise.
4575 (reorg.o): Likewise.
4576 (reg-stack.o): Likewise.
4578 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4580 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4582 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4584 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4586 * configure.ac: Completely disregard languages that are not
4588 * configure: Regenerated.
4591 * c-common.h (c_build_bitfield_integer_type): Declare.
4592 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4593 * c-common.c (c_build_bitfield_integer_type): ... here.
4595 2006-04-23 Roger Sayle <roger@eyesopen.com>
4598 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4599 a SImode SUBREG of a floating point register after no_new_pseudos.
4601 2006-04-23 Roger Sayle <roger@eyesopen.com>
4603 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4604 identify potentially eliminable registers to additionally catch
4605 VIRTUAL_INCOMING_ARGS_REGNUM.
4606 (addsi3): Update the conditions on when to use addsi_small_int.
4608 2006-04-23 Roger Sayle <roger@eyesopen.com>
4611 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4612 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4613 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4615 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4617 * fold-const.c (range_predecessor): Use operand_equal_p
4618 as the predicate for equality.
4619 (range_successor): Likewise.
4621 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4624 * config/soft-fp/op-common.h: Fix a typo.
4626 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4629 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4630 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4632 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4634 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4636 * doc/tm.texi: Fix a typo.
4638 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4640 * dwarf2out.c (struct die_struct): Document that die_sib makes
4641 a circular linked list.
4642 (FOR_EACH_CHILD): New.
4643 (reverse_die_lists): Delete.
4644 (reverse_all_dies): Delete.
4645 (add_dwarf_attr): Correct documentation.
4646 (remove_child_with_prev): New.
4647 (remove_child_TAG): Update for change to die_struct, use
4648 remove_child_with_prev.
4649 (add_child_die): Update for change to die_struct.
4650 (splice_child_die): Use remove_child_with_prev and add_child_die.
4651 (print_die): Use FOR_EACH_CHILD.
4652 (die_checksum): Likewise.
4653 (assign_symbol_names): Likewise.
4654 (output_location_lists): Likewise.
4655 (build_abbrev_table): Likewise.
4656 (calc_die_sizes): Likewise.
4657 (mark_dies): Likewise.
4658 (unmark_dies): Likewise.
4659 (unmark_all_dies): Likewise.
4660 (output_die): Likewise.
4661 (prune_unused_types_mark): Likewise.
4662 (prune_unused_types_walk): Likewise.
4663 (same_die_p): Update for change to die_struct.
4664 (break_out_includes): Likewise.
4665 (prune_unused_types_prune): Likewise.
4666 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4667 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4669 (dwarf2out_finish): Don't call reverse_all_dies.
4671 2006-04-21 Eric Christopher <echristo@apple.com>
4673 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4674 in comments and function names.
4676 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4679 * c-typeck.c (digest_init): Robustify.
4681 * c-typeck.c (pop_init_level): Simplify.
4683 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4685 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4687 2006-04-21 Paul Brook <paul@codesourcery.com>
4689 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4690 hardware floating point.
4692 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4694 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4697 2006-04-21 Nick Clifton <nickc@redhat.com>
4699 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4702 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4705 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4706 C++ lang type in traceback table for Objective-C++.
4708 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4710 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4712 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4714 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4717 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4718 were errors. Remove check for erroneous objects.
4720 2006-04-20 Jeff Law <law@redhat.com>
4722 PR tree-optimization/26854
4723 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4724 checking for zero or one use.
4725 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4726 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4727 * tree-ssa-reassoc.c (negate_value): Similarly.
4728 (reassociate_bb): Similarly.
4730 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4732 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4733 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4734 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4736 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4738 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4739 fp regs if the last fp arg doesn't fit in regs.
4741 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4744 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4745 that the last insn has the REG_INC note.
4747 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4748 Nathan Sidwell <nathan@codesourcery.com>
4751 * stor-layout.c (update_alignment_for_field): Do not align
4753 (place_union_field): Place union field at the start of the union.
4754 (place_field): Move ERROR_MARK check later, and use the current
4755 allocation position to maintain monotonicity.
4757 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4759 * dominance.c: Include timevar.h.
4760 (calculate_dominance_info): Use TV_DOMINANCE.
4761 * timevar.def (TV_DOMINANCE): New timevar.
4762 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4764 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4766 PR rtl-optimization/14261
4767 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4768 move would be an INSV insn.
4769 (noce_process_if_block): Don't optimize if the destination is a
4770 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4772 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4774 * config/s390/s390.md: Add comments with the instructions emitted
4775 by an insn pattern if macros are used.
4777 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4779 PR rtl-optimization/26026
4780 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4781 is a known power of two shifted left a variable amount.
4783 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4785 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4786 to hash table twice when the debug_str section has SECTION_MERGE.
4788 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4790 * config/soft-fp: New directory. From glibc.
4791 * config/soft-fp/t-softfp: New.
4792 * config/soft-fp/README: New.
4793 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4794 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4795 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4796 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4797 * config.gcc: Use rs6000/t-fprules-fpbit or
4798 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4800 * config/rs6000/sfp-machine.h: New. Based on glibc.
4801 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4803 * config/rs6000/t-fprules: Remove fp-bit rules.
4804 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4805 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4806 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4807 (softfp_wrap_start, softfp_wrap_end): New.
4809 2006-04-18 DJ Delorie <dj@redhat.com>
4811 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4813 2006-04-18 Devang Patel <dpatel@apple.com>
4815 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4817 2006-04-18 Nick Clifton <nickc@redhat.com>
4819 * config/sh/t-symbian: Add rule to build sh-c.o
4820 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4821 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4822 (sh_symbian_encode_section_info): Likewise.
4824 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4826 * builtins.c (expand_builtin_strcmp): Cover label definition of
4827 do_libcall with HAVE_cmpstrnsi.
4829 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4831 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4833 * function.h (temp_slot_p): New.
4834 (function): Change the type of x_used_temp_slots to
4835 VEC(temp_slot_p,gc) *.
4837 2006-04-18 Nick Clifton <nickc@redhat.com>
4839 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4840 flag_strength_reduce.
4842 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4844 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4848 Partial revert of revision 112637
4849 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4850 Dale Johannesen <dalej@apple.com>
4853 * regclass.c (struct reg_pref): Update documentation.
4854 (regclass): Set prefclass to NO_REGS if memory is the best option.
4855 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4857 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4859 PR tree-optimization/26821
4860 * tree-ssa-math-opts.c (get_constant_one): New.
4861 (insert_reciprocals): Use it.
4863 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4865 * dwarf2out.c (free_AT): Delete.
4866 (remove_AT): Update string ref counts.
4867 (remove_child_TAG): Don't call free_die.
4869 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4870 or DW_TAG_GNU_EINCL.
4871 (prune_unused_types_walk_attribs): Reset string refcounts.
4872 (prune_unused_types_update_strings): New.
4873 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4874 call free_die. Do call prune_unused_types_update_strings.
4875 (prune_unused_types): Empty debug_str_hash.
4877 2006-04-17 Roger Sayle <roger@eyesopen.com>
4879 * expr.c (expand_assignment): Optimize away no-op moves where the
4880 source and destination are equal and have no side-effects.
4882 2006-04-17 Richard Guenther <rguenther@suse.de>
4885 * reload.c (push_reload): Guard calls to get_secondary_mem
4888 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4890 * alias.c (reg_base_value, old_reg_base_value): Change the
4891 type to VEC(rtx,gc) *.
4892 (REG_BASE_VALUE, find_base_value, record_set,
4893 init_alias_analysis): Use VEC instead of VARRAY.
4895 * alias.c (alias_sets): Change the type to
4896 VEC(alias_set_entry,gc) *.
4897 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4898 VEC instead of VARRAY.
4899 (last_alias_set): Remove.
4901 * cgraph.h (cgraph_edge_p): New.
4902 Update the prototype of cgraph_function_versioning.
4903 * cgraphunit.c (cgraph_copy_node_for_versioning,
4904 cgraph_function_versioning): Use VEC instead of VARRAY.
4905 * ipa-cp.c (ipcp_insert_stage): Likewise.
4907 2006-04-16 Roger Sayle <roger@eyesopen.com>
4910 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4911 "A op B" or "A op C", we may need to convert A to the type of B and C.
4913 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4915 * target.h (struct gcc_target): Add mode_rep_extended.
4916 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4917 (init_num_sign_bit_copies_in_rep): Initialize it using
4919 (truncate_to_mode): Use it.
4920 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4921 * targhooks.h (default_mode_rep_extended): Declare it.
4922 * targhooks.c (default_mode_rep_extended): Define it.
4923 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4924 default_mode_rep_extended.
4925 (TARGET_INITIALIZER): Include it.
4926 * doc/tm.texi (Misc): Document it.
4927 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4928 (mips_truncated_to_mode): New function.
4930 2006-04-16 Roger Sayle <roger@eyesopen.com>
4933 * expr.c (compress_float_constant): Copy the narrow constant into
4934 a new pseudo before extending it to its final width.
4936 2006-04-16 Roger Sayle <roger@eyesopen.com>
4937 Andrew Pinski <pinskia@gcc.gnu.org>
4938 Dale Johannesen <dalej@apple.com>
4941 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4942 special case code to implement V8HImode and V16QImode with SSE2.
4944 2006-04-15 Roger Sayle <roger@eyesopen.com>
4946 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4947 trees are constructed with a suitable tree type.
4949 2006-04-15 Roger Sayle <roger@eyesopen.com>
4951 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4952 (integer_onep): Likewise.
4953 (integer_all_onesp): Likewise.
4954 (integer_pow2p): Likewise.
4955 (integer_nonzerop): Likewise.
4956 (real_zerop): Likewise.
4957 (real_onep): Likewise.
4958 (real_twop): Likewise.
4959 (real_minus_onep): Likewise.
4960 (int_size_in_bytes): Likewise.
4961 (host_integerp): Likewise.
4963 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4965 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4966 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4967 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4969 * tree-ssa-structalias.h (alias_info): Remove num_references.
4971 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4973 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4974 (output_bvb patterns): Likewise.
4975 * pa.c (output_bb): Use 'bb' insn for long branch case.
4976 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4977 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4978 1. Correct length operand for alternatives 1 and 2.
4979 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4980 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4982 2006-04-14 Roger Sayle <roger@eyesopen.com>
4984 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4985 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4986 were accidentally reverted by r112959.
4988 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4991 * except.h (eh_region_outermost): New prototype.
4992 * except.c (eh_region_outermost): New function.
4993 * tree-cfg.c (find_outermost_region_in_block): Use it.
4995 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4997 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4999 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5000 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5001 (init_reload, reload): Use VEC instead of VARRAY.
5002 * reload.h: Update the prototype for
5003 reg_equiv_memory_loc_varray.
5005 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5006 Eric Botcazou <ebotcazou@libertysurf.fr>
5008 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5011 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5014 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5015 to expand fallback builtin function call.
5017 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5020 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5021 and emit libcall here in case the builtin fails.
5022 (expand_builtin_strcmp): Always emit the libcall here on failure.
5024 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5026 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5027 * flow.c (reg_n_info): Change the type to
5028 VEC(reg_info_p,heap) *.
5029 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5031 * regs.h (reg_info_p): New.
5032 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5033 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5034 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5037 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5039 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5041 * params.h (MAX_SCHED_READY_INSNS): New macro.
5042 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5043 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5044 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5045 the ready list for 1 cycle during the first scheduling pass.
5046 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5048 2006-04-13 Richard Henderson <rth@redhat.com>
5051 * gimple-low.c (lower_omp_directive): Remove dead code.
5052 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5053 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5054 * omp-low.c (struct omp_region): Move to tree-flow.h.
5055 (root_omp_region): Export.
5056 (omp_regions, lookup_omp_region): Remove.
5057 (determine_parallel_type): Update for struct omp_region changes.
5058 (dump_omp_region): Dump regions with block numbers.
5059 (new_omp_region): Take type and block instead of stmt; malloc
5061 (free_omp_region_1, free_omp_regions): New.
5062 (expand_parallel_call): Take entry_stmt as argument; update for
5063 changes to omp_region.
5064 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5065 (remove_exit_barriers): New.
5066 (expand_omp_parallel): Update for struct omp_region changes.
5067 (expand_omp_synch): Likewise.
5068 (expand_omp): Likewise.
5069 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5070 (expand_omp_for_static_chunk): Likewise.
5071 (expand_omp_for): Likewise.
5072 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5073 (expand_omp_sections): Similarly, with GOMP_sections_end.
5074 (expand_omp_single): New.
5075 (build_omp_regions_1): Update for OMP_CONTINUE.
5076 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5077 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5078 OMP_SECTIONS_SECTIONS.
5079 (lower_omp_single_simple): Don't emit barrier here.
5080 (lower_omp_single_copy): Likewise.
5081 (lower_omp_single): Fix bindings, and lower to straightline now.
5082 (lower_omp_master, lower_omp_ordered): Likewise.
5083 (lower_omp_critical): Likewise.
5084 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5085 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5086 omp edges, free it afterward.
5087 (make_omp_sections_edges): Remove.
5088 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5089 (move_stmt_r): Handle OMP_CONTINUE.
5090 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5091 statement pointers to basic blocks. Add type member.
5092 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5093 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5094 * tree-inline.c (estimate_num_insns_1): Likewise.
5095 * tree-pretty-print.c (dump_generic_node): Likewise.
5096 * tree-ssa-operands.c (get_expr_operands): Likewise.
5097 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5098 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5099 (OMP_CONTINUE): New.
5100 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5101 (OMP_SECTIONS_SECTIONS): Remove.
5102 (OMP_SECTION_LAST): New.
5103 (OMP_RETURN_NOWAIT): New.
5105 2006-04-13 Roger Sayle <roger@eyesopen.com>
5107 * fold-const.c (native_encode_vector, native_interpret_real):
5108 Correct obvious mistakes in the previous check-in.
5110 2006-04-13 Roger Sayle <roger@eyesopen.com>
5112 * fold-const.c (native_encode_expr): New function to encode
5113 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5114 or VECTOR_CST into a specified buffer.
5115 (native_encode_int): New function.
5116 (native_encode_real): New function.
5117 (native_encode_complex): New function.
5118 (native_encode_vector): New function.
5119 (native_interpret_expr): Inverse of native_encode_expr to convert
5120 a target representation into an INTEGER_CST, REAL_CST etc...
5121 (native_interpret_int): New function.
5122 (native_interpret_real): New function.
5123 (native_interpret_complex): New function.
5124 (native_interpret_vector): New function.
5125 (fold_view_convert_expr): New function to constant fold/evaluate
5126 a VIEW_CONVERT_EXPR of a suitable constant expression.
5127 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5128 Change call of build1 to fold_build1 when constructing a
5131 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5132 Ulrich Weigand <uweigand@de.ibm.com>
5135 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5138 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5141 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5142 optimize to lo_sum for DFmode if !TARGET_FPRS.
5144 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5146 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5147 delete_alias_info, compute_flow_sensitive_aliasing,
5148 group_aliases): Use VEC instead of VARRAY.
5149 * tree-ssa-structalias.c (update_alias_info): Likewise.
5150 * tree-ssa-structalias.h (alias_info): Change the type of
5151 processed_ptrs to VEC(tree,heap) *.
5153 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5156 * config/sh/lib1funcs.h: New file, broken out of:
5157 * config/sh/lib1funcs.asm.
5158 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5160 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5161 * config/sh/lib1funcs-Os-4-200.asm: New file.
5162 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5163 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5164 (EXTRA_MULTILIB_PARTS): Include it.
5165 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5166 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5167 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5168 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5171 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5173 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5174 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5175 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5177 * tree-ssa-live.h: Include vecprim.h.
5178 (tree_partition_associator_d): Change the type of
5179 first_partition to VEC(int,heap) *.
5180 (tpa_first_partition): Use VEC instead of VARRAY.
5182 * Makefile.in (GTFILES): Move functions.h after tree.h.
5183 * function.c (reset_block_changes, record_block_change,
5184 check_block_change, free_block_changes): Use VEC instead of
5186 * function.h (function): Change the type of
5187 ib_boundaries_block to VEC(tree,gc) *.
5188 * tree-inline.c (copy_cfg_body): Initialize
5189 ib_boundaries_block to NULL instead of (varray_type) 0.
5191 2006-04-12 Roger Sayle <roger@eyesopen.com>
5193 * expr.c (emit_group_store): Correct operand order in call to
5194 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5195 a SUBREG_BYTE of zero.
5197 2006-04-12 Richard Guenther <rguenther@suse.de>
5199 * profile.c (compute_branch_probabilities): Remove code
5200 encapsulated in !ir_type (), which are remanents of the
5201 removed RTL profiling code.
5202 * rtl-profile.c: Remove.
5204 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5206 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5207 magic NULL_RTX comment.
5208 (function_arg): Store entire fp arg to mem if any part should go
5210 (rs6000_arg_partial_bytes): Adjust for above change.
5212 2006-04-11 Roger Sayle <roger@eyesopen.com>
5214 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5215 if it hasn't been initialized by dwarf2out_init.
5217 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5219 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5220 symbolic constants in branch patterns.
5222 2006-04-11 Roger Sayle <roger@eyesopen.com>
5224 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5226 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5228 PR rtl-optimization/27073
5229 * gcse.c (try_replace_reg): Revert last change. Continue to search
5230 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5233 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5235 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5236 aggregate types other than record and union types.
5237 (function_arg): Likewise.
5238 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5240 (function_value): In 64-bit mode, return objects that require it
5243 2006-04-11 Roger Sayle <roger@eyesopen.com>
5245 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5247 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5249 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5251 2006-04-03 Jeff Law <law@redhat.com>
5254 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5255 alias information too.
5257 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5259 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5261 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5264 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5265 (premark_used_types_helper): New.
5266 (premark_used_types): New.
5267 (gen_subprogram_die): Call premark_used_types.
5268 (prune_unused_types_walk): Do not prune perennial dies.
5269 * function.c (used_types_insert): New.
5270 * function.h (struct function): Add used_types_hash field.
5271 (used_types_insert): Add prototype.
5272 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5273 * c-parser.c (c_parser_cast_expression): Save casted types in used
5276 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5279 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5280 rs6000_explicit_options.float_gprs.
5282 2006-04-10 Roger Sayle <roger@eyesopen.com>
5284 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5285 from ix86_expand_vector_init_low_nonzero. Take an additional
5286 one_var argument indicating which element is non-zero. Support
5287 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5288 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5289 with one_var instead of ix86_expand_vector_init_low_nonzero.
5291 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5293 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5294 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5295 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5296 build/genextract.o): Depend on vecprim.h.
5297 * cfglayout.c, df-problems.c, function.c, genextract.c,
5298 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5299 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5303 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5305 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5306 Declare VECs of this type.
5307 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5308 (remove_children): Delete.
5309 (add_dwarf_attr): Use VEC routines.
5310 (add_AT_flag): Update for changes to add_dwarf_attr.
5311 (add_AT_int): Likewise.
5312 (add_AT_unsigned): Likewise.
5313 (add_AT_long_long): Likewise.
5314 (add_AT_vec): Likewise.
5315 (add_AT_string): Likewise.
5316 (add_AT_die_ref): Likewise.
5317 (add_AT_fde_ref): Likewise.
5318 (add_AT_loc): Likewise.
5319 (add_AT_loc_list): Likewise.
5320 (add_AT_addr): Likewise.
5321 (add_AT_lbl_id): Likewise.
5322 (add_AT_lineptr): Likewise.
5323 (add_AT_macptr): Likewise.
5324 (add_AT_offset): Likewise.
5325 (add_AT_range_list): Likewise.
5326 (get_AT): Use VEC_iterate.
5327 (remove_AT): Use VEC_ordered_remove.
5328 (free_die): Fold remove_children into here; have it use VEC_iterate.
5329 (print_die): Use VEC_iterate on attrs.
5330 (reverse_die_lists): Don't reverse attr lists.
5331 (die_checksum): Use VEC_iterate on attrs.
5332 (same_die_p): Likewise.
5333 (output_location_lists): Likewise.
5334 (build_abbrev_table): Likewise.
5335 (size_of_die): Likewise.
5336 (unmark_all_dies): Likewise.
5337 (output_abbrev_section): Likewise.
5338 (output_die): Likewise.
5339 (prune_unused_types_walk_attribs): Likewise.
5341 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5343 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5345 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5348 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5350 2006-04-09 Roger Sayle <roger@eyesopen.com>
5352 * expr.c (store_constructor): Don't bother clearing target if
5353 we're about to assign a vector to it using vec_init_optab.
5355 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5357 * tree-ssa-alias.c (lhs_may_store_to): New function.
5358 (recalculate_used_alone): Handle LHS of calls.
5360 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5364 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5365 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5366 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5367 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5368 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5369 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5370 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5371 stubs. Add ".align 8" directives before all ".dword" directives.
5372 (GTHREAD_USE_WEAK): Revise comment.
5373 (TARGET_ATTRIBUTE_WEAK): Define.
5374 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5375 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5376 * stublib.c: New file.
5381 * pa.md (cbranch patterns): Revise arguments used in calls to
5382 output_cbranch, output_bb and output_bvd. Add long branch length
5384 (fbranch patterns): Handle long branches.
5385 (jump): Revise length check. Revise arguments for output_lbranch call.
5386 Add long branch length attributes.
5387 (decrement_and_branch_until_zero): Add long branch length attributes.
5388 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5389 Likewise. Revise arguments for output_parallel_addb and
5390 output_parallel_movb calls.
5391 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5392 output_parallel_movb and output_parallel_addb): Update prototypes.
5393 * pa.c (output_cbranch): Revise arguments. Correct handling of
5394 nullification in long branches.
5395 (output_lbranch): Add new argument to control extraction of delay
5397 (output_bb): Handle long branches.
5398 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5399 output_parallel_addb): Likewise.
5401 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5403 PR rtl-optimization/27073
5404 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5407 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5409 * tree.h (tree_memory_tag): Add old_used_alone.
5410 (SMT_OLD_USED_ALONE): New macro.
5411 * tree-ssa-alias.c (recalculate_used_alone): Stop
5412 marking things for renaming unnecessarily.
5414 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5416 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5417 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5418 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5419 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5420 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5421 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5422 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5423 spelling convensions.
5424 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5425 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5426 typos. Follow spelling conventions.
5428 2006-04-07 DJ Delorie <dj@redhat.com>
5430 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5431 passed on the stack.
5432 (m32c_init_cumulative_args): When a function returns a structure,
5433 always pass the pointer to that return area on the stack.
5434 (m32c_function_arg_advance): Don't increment the parameter number
5435 if we're processing the returned structure pointer.
5436 (pushm_info): Reverse order of registers.
5438 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5440 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5441 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5442 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5443 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5445 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5446 chrec_fold_multiply): Same.
5447 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5448 force_expr_to_var_cost): Same.
5449 * tree-mudflap.c (mf_xform_derefs_1): Same.
5450 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5452 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5454 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5455 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5458 2006-04-07 Jan Hubicka <jh@suse.cz>
5460 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5462 2006-04-07 Richard Guenther <rguenther@suse.de>
5464 PR tree-optimization/26135
5465 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5466 loads for store copy-prop.
5467 (copy_prop_visit_stmt): Likewise.
5469 2006-04-05 Robert Millan <robertmh@gnu.org>
5471 * config/i386/linux.h: Add a comment to mark macros that are
5472 being overriden in config/k*bsd-gnu.h.
5473 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5475 * config/knetbsd-gnu.h: Ditto.
5477 2006-04-06 Jan Hubicka <jh@suse.cz>
5481 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5484 2006-04-06 Mike Stump <mrs@apple.com>
5486 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5487 for HAVE_nonlocal_goto to be consistent.
5488 (expand_builtin_nonlocal_goto): Likewise.
5489 (expand_builtin_strcmp): Use #ifdef instead of #if
5490 for HAVE_cmpstrnsi to be consistent.
5492 2006-04-05 DJ Delorie <dj@redhat.com>
5494 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5497 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5499 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5500 got-relative addressing for anything but SImode.
5502 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5503 even if the calling function doesn't modify them.
5505 2006-04-05 Richard Guenther <rguenther@suse.de>
5507 PR tree-optimization/26919
5508 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5509 to cgraph_estimate_size_after_inlining.
5511 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5513 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5515 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5517 PR tree-optimization/26996
5518 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5519 VECTOR_TYPE variables.
5521 2006-04-05 Richard Guenther <rguenther@suse.de>
5523 PR tree-optimization/26763
5524 * fold-const.c (fold_comparison): Move folding of
5525 PTR + CST CMP PTR + CST ...
5526 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5528 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5530 * doc/install.texi (Prerequisites): Refine some wording on
5531 bootstrapping and ksh.
5532 Move the version numbers of DejaGnu here from the testing section
5533 and fix casing of names.
5534 Fix markup and clarify wording for autogen requirements.
5535 Refer to GCJ instead of just java.
5536 Refer to SVN instead of CVS.
5537 Describe diffutils as useful instead of necessary.
5538 (Downloading the source): Refer to SVN instead of CVS.
5539 Adjust a link to our web site accordingly.
5540 (Configuration): Fix casing of Bison.
5541 (Building): Refer to SVN instead of CVS.
5542 Fix a sentence on the use of Bison and remove duplicate (and
5543 incorrect) version number of Bison requirement.
5544 Remove one redundant list of packages needed for building.
5545 (Specific): Avoid reference to CVS.
5547 2006-04-04 Eric Christopher <echristo@apple.com>
5549 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5550 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5551 (rs6000_handle_struct_attribute): New.
5552 (rs6000_ms_bitfield_layout_p): Ditto.
5554 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5556 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5557 NULL for dso parameter to atexit_common.
5559 2006-04-04 Eric Christopher <echristo@apple.com>
5561 * config/i386/i386.c (machopic_output_stub): Output \t
5562 between instructions and operands.
5564 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5566 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5567 satisfies_constraint_[IL] to explicit tests on value.
5569 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5571 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5572 set_nb_iterations_in_loop): Use build_int_cst instead of
5574 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5575 build_int_cst instead of convert.
5577 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5579 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5580 new value 2 for incoming.
5581 * function.c (expand_function_start): Call struct_value_rtx
5583 * config/sparc/sparc.md: Comment updated_return.
5584 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5585 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5586 struct return if sparc_std_struct_return and incoming is 2.
5587 (print_operand): Do not adjust return if
5588 sparc_std_struct_return.
5590 2006-04-04 Roger Sayle <roger@eyesopen.com>
5592 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5593 convert in the middle-end.
5594 * expr.c (store_expr, store_constructor, get_inner_reference,
5595 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5597 * tree.c (build_range_type): Likewise.
5599 2006-04-04 Tom Tromey <tromey@redhat.com>
5601 * doc/install.texi (Prerequisites): Mention jar.
5603 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5605 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5608 2006-04-04 Matthias Klose <doko@debian.org>
5610 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5611 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5614 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5616 * doc/extend.texi (Function Attributes): Rewrite visibility
5617 attribute documentation.
5618 * doc/invoke.texi (C++ Dialect Options): Rewrite
5619 -fvisibility-inlines-hidden documentation to describe something
5620 entirely different, although in practise compatible.
5621 (Code Gen Options): Warn about system headers in -fvisibility=
5624 * doc/extend.texi (Other Builtins): Document that
5625 __builtin_nan is a compile-time constant only when its argument
5628 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5630 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5631 trying to remove TRUNCATE check if all bits outside the new mode
5632 are identical to the sign bit.
5634 2006-04-03 Jeff Law <law@redhat.com>
5636 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5637 and operand scanning in some common cases.
5639 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5640 Dale Johannesen <dalej@apple.com>
5643 * regclass.c (struct reg_pref): Update documentation.
5644 (regclass): Set prefclass to NO_REGS if memory is the best option.
5645 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5646 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5647 into account. For non-registers, equate an empty preferred
5648 reload class to a `!' in the constraint; move the if clause to
5649 do so after those that reject the insn.
5650 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5652 (find_dummy_reload): Likewise.
5653 * doc/tm.texi (Register Classes): Document what it means
5654 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5655 * config/i386/i386.c (ix86_preferred_reload_class): Force
5656 using SSE registers (and return NO_REGS for floating-point
5657 constants) if math is done with SSE.
5658 (ix86_preferred_output_reload_class): New.
5659 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5660 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5661 * config/i386/i386.md: Remove # register preferences.
5663 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5666 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5667 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5668 the type of nb_iter.
5669 (instantiate_parameters_1): Convert the operands before calling
5670 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5671 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5673 2006-04-02 Roger Sayle <roger@eyesopen.com>
5675 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5676 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5678 * dojump.c (do_jump): Likewise.
5679 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5680 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5681 gimplify_boolean_expr): Likewise.
5682 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5683 * varasm.c (array_size_for_constructor): Likewise.
5684 * tree-object-size.c (compute_object_offset): Likewise.
5686 2006-04-02 Roger Sayle <roger@eyesopen.com>
5689 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5690 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5692 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5694 PR tree-optimization/26939
5695 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5697 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5699 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5700 at_stmt. Convert the type of operands before calling
5701 build_polynomial_chrec.
5702 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5704 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5705 (instantiate_parameters_1): Convert the type of operands before calling
5706 build_polynomial_chrec.
5707 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5708 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5709 reset_evolution_in_loop): Insert asserts to check the types of the
5711 (chrec_type): Moved...
5712 (eq_evolutions_p): Use operand_equal_p.
5713 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5714 the types of the operands.
5715 (chrec_type): ...here.
5716 * tree-data-ref.c (create_data_ref): Convert the operands before
5717 calling chrec_replace_initial_condition.
5718 (same_access_functions, analyze_subscript_affine_affine,
5719 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5720 (compute_subscript_distance, analyze_ziv_subscript,
5721 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5722 analyze_miv_subscript): Convert the operands before calling
5723 chrec_fold_minus or chrec_fold_plus.
5725 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5727 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5728 the dependence_relations vector.
5729 (compute_data_dependences_for_loop): Adjust call to
5730 compute_all_dependences.
5732 2006-04-01 Roger Sayle <roger@eyesopen.com>
5733 Richard Henderson <rth@redhat.com>
5735 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5736 gimple_boolify on the condition before calling gimplify_expr.
5738 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5740 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5741 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5742 the frame size. Update to use the new macros.
5743 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5744 * config/xtensa/ieee754-df.S: Likewise.
5746 2006-03-31 Richard Henderson <rth@redhat.com>
5748 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5749 (make_edges): ... here. Control fallthru creation with a local
5750 variable. Do not play with fake edges.
5751 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5752 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5755 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5757 * dwarf2.h (DW64_CIE_ID): Define.
5758 * dwarf2out.c (DWARF_CIE_ID): Define.
5759 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5760 length header. Use DWARF_CIE_ID.
5761 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5762 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5764 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5766 * config/sh/linux-atomic.asm: New file.
5767 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5769 2006-03-31 DJ Delorie <dj@redhat.com>
5771 * config/m32c/cond.md: Set condition flags properly throughout.
5772 * config/m32c/minmax.md: Likewise.
5773 * config/m32c/prologue.md: Likewise.
5774 * config/m32c/bitops.md: Likewise.
5775 * config/m32c/muldiv.md: Likewise.
5776 * config/m32c/mov.md: Likewise.
5777 * config/m32c/addsub.md: Likewise.
5778 * config/m32c/m32c.md: Likewise.
5779 * config/m32c/jump.md: Likewise.
5780 * config/m32c/shift.md: Likewise.
5782 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5783 conditionally output the pattern for this.
5784 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5785 (m32c_compare_redundant): New.
5786 (m32c_output_compare): New.
5787 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5789 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5790 dest, not src. Allow other 4-byte modes.
5792 2006-03-30 Denis Chertykov <denisc@overta.ru>
5794 * doc/md.texi: Refer to avr/constraints.md instead of
5797 2006-03-30 Roger Sayle <roger@eyesopen.com>
5799 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5800 signed vs. unsigned comparison failures on some hosts.
5802 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5805 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5806 change to FLOAT_REGS.
5808 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5809 (rs6000_override_options): Use it.
5810 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5811 only for -mabi=spe/no-spe and -mabi=altivec.
5813 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5815 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5818 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5820 * Makefile.in: Rename docdir to gcc_docdir.
5822 2006-03-30 Roger Sayle <roger@eyesopen.com>
5825 * expr.c (emit_group_store): Optimize group stores into a pseudo
5826 register by using a paradoxical subreg to initialize the destination
5827 if the first or last member of the group specifies a "low part".
5829 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5832 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5833 * target.h (struct gcc_target.speculate_insn): Change type of the
5834 second parameter to 'int'.
5835 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5836 the second operand of the DEPS_LIST.
5837 (copy_DEPS_LIST_list): Update reference to the second operand of the
5839 * rtl.h (alloc_DEPS_LIST): Update signature.
5840 * sched-int.h (ds_t): Change typedef to 'int'.
5841 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5843 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5845 * haifa-sched.c (try_ready): Change condition to restore
5846 non-speculative pattern of the instruction.
5847 (process_insn_depend_be_in_spec): Code to keep probability of the
5848 speculative dependence non-decreasing.
5850 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5852 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5853 (single_move_for_movmem): ... this. Also change all uses.
5854 (bfin_expand_strmov): Renamed to...
5855 (bfin_expand_movmem): ... this. Also change all uses.
5856 * config/bfin/bfin.md (movstrsi): Renamed to...
5857 (movstrsi): ...this.
5859 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5861 PR tree-optimization/26830
5863 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5864 (copy_prop_visit_stmt): Remove write-only variable ann.
5865 (init_copy_prop): Check variable loop depth here. Do not simulate
5866 memory-tag and virtual operand PHIs except for store copy prop.
5868 2006-03-30 Richard Guenther <rguenther@suse.de>
5870 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5871 variants with double arguments.
5873 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5875 * genpreds.c (write_tm_constrs_h): Delete variable p.
5876 * genconditions.c (write_header): Add tm-constrs.h to included
5878 * genpeep.c (main): Add toplev.h to included headers.
5879 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5880 (build/genpeep.o): Add toplev.h dependency.
5881 * config/rs6000/constraints.md: Add "W" constraint.
5883 2006-03-29 Roger Sayle <roger@eyesopen.com>
5885 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5886 sizes by correctly testing whether the size fits a host integer.
5887 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5888 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5889 SImode range for the default sizetype and bitsizetype.
5891 2006-03-29 Roger Sayle <roger@eyesopen.com>
5893 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5894 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5895 quickly if the argument is already of the correct type.
5896 Call fold_build1 instead of build1. Tidy up blank lines.
5898 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5900 * genemit.c (main): Add tm-constrs.h to included headers.
5901 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5902 * genpeep.c (main): Add tm-constrs.h to included headers.
5903 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5904 (write_tm_constrs_h): this and write complete file.
5905 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5906 (write_insn_preds_c): Add tm-constrs.h to included headers.
5907 (gen_constrs): New variable.
5908 (parse_option): Parse "-c".
5909 (main): Invoke write_tm_constrs_h.
5910 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5911 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5912 (object_out_file): Add tm-constrs.h dependency.
5913 (insn-emit.o): Same.
5914 (insn-output.o): Same.
5915 (insn-peep.o): Same.
5916 (insn-preds.o): Same.
5917 (insn-recog.o): Same.
5918 (tm-constsr.h): New target.
5919 (s-constrs-h): New target.
5921 * config/rs6000/constraints.md: New file.
5922 * config/rs6000/rs6000.c: Include tm-constrs.h.
5923 (num_insn_constant_wide): Convert to satisfies_constraint.
5924 (rs6000_rtx_costs): Convert to satisfies_constraint.
5925 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5926 (CONST_OK_FOR_LETTER_P): Delete.
5927 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5928 (EXTRA_CONSTRAINT): Delete.
5929 (EXTRA_MEMORY_CONSTRAINT): Delete.
5930 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5931 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5932 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5933 satisfies_constraint.
5935 * config/i386/i386.c: Include tm-constrs.h.
5937 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5939 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5940 * tree-data-ref.c (find_data_references_in_loop,
5941 compute_data_dependences_for_loop): Use pointers to VEC.
5942 (analyze_all_data_dependences): Adjust calls.
5943 * tree-data-ref.h (find_data_references_in_loop,
5944 compute_data_dependences_for_loop): Adjust declarations.
5945 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5946 compute_data_dependences_for_loop.
5948 2006-03-29 Paul Brook <paul@codesourcery.com>
5950 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5953 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5955 PR tree-optimization/26859
5956 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5958 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5959 for the step after fold_convert.
5961 2006-03-29 Paul Brook <paul@codesourcery.com>
5963 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5964 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5966 2006-03-29 Paul Brook <paul@codesourcery.com>
5969 * targhooks.c (default_narrow_bitfield): New fuction.
5970 * targhooks.h (default_narrow_bitfield): add prototype.
5971 * target.h (gcc_target): Add narrow_volatile_bitfield.
5972 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5973 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5974 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5975 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5977 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5979 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5981 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5982 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5983 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5984 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5985 (s390_function_arg_float): Allow SDmode and DDmode values to be
5986 passed in floating point registers.
5987 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5988 check with SCALAR_FLOAT_MODE_P.
5989 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5991 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5993 PR tree-optimization/25985
5994 * tree-ssa-loop-niter.c (number_of_iterations_le,
5995 number_of_iterations_ne): Make comments more precise.
5996 (number_of_iterations_cond): Add only_exit argument. Use the
5997 fact that signed variables do not overflow only when only_exit
5999 (loop_only_exit_p): New.
6000 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6001 number_of_iterations_cond.
6003 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6005 PR tree-optimization/26643
6006 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6009 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6011 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6012 (divsi3_i4_int): Likewise.
6014 2006-03-28 Roger Sayle <roger@eyesopen.com>
6016 * expr.c (emit_group_store): Only create a new pseudo reg if the
6017 quantity it needs to hold isn't already a suitable pseudo.
6019 2006-03-28 Jeff Law <law@redhat.com>
6021 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6022 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6024 2006-03-28 Roger Sayle <roger@eyesopen.com>
6026 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6027 the equivalent ~X & Y, and the symmetry related transformations.
6028 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6029 ~X & Y, and symmetry related transforms.
6031 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6033 Revert my 2006-03-27 patches.
6035 2006-03-28 Roger Sayle <roger@eyesopen.com>
6037 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6038 ~(T1)X, when T1 and T2 are integer types of the same precision
6039 and (T2)X isn't an extension.
6041 2006-03-28 Jeff Law <law@redhat.com>
6043 PR tree-optimization/26796
6044 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6045 need EH edge cleanups rather than purging them immediately.
6046 (eliminate_degenerate_phis): Handle queued EH cleanups.
6048 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6050 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6053 2006-03-27 Roger Sayle <roger@eyesopen.com>
6056 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6057 cast BIT_NOT_EXPR operand to the correct type.
6059 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6061 * tree-loop-linear.c: Don't include varray.h.
6062 (gather_interchange_stats, try_interchange_loops,
6063 linear_transform_loops): Use VEC instead of VARRAY.
6064 * lambda-mat.c: Don't include varray.h.
6065 * tree-chrec.c: Same.
6066 * lambda-trans.c: Same.
6067 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6068 VEC instead of VARRAY.
6069 * tree-vectorizer.h: Idem.
6070 * tree-data-ref.c (dump_data_references,
6071 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6072 initialize_data_dependence_relation, finalize_ddr_dependent,
6073 compute_all_dependences, find_data_references_in_loop,
6074 compute_data_dependences_for_loop, analyze_all_data_dependences,
6075 free_dependence_relation, free_dependence_relations,
6076 free_data_refs): Idem.
6077 * tree-data-ref.h (data_reference_p, subscript_p): New.
6078 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6079 VEC instead of VARRAY.
6080 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6081 (find_data_references_in_loop, compute_data_dependences_for_loop,
6082 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6083 dump_data_dependence_relations, free_dependence_relations,
6084 free_data_refs): Adjust declaration.
6085 (lambda_transform_legal_p): Move declaration here...
6086 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6087 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6088 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6089 vect_analyze_data_refs): Use VEC instead of VARRAY.
6090 * lambda.h (lambda_transform_legal_p): ...from here.
6091 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6092 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6093 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6094 tree-chrec.o): Don't depend on VARRAY_H.
6096 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6098 * rtl.def (Copyright): Update date.
6099 (DEPS_LIST): Change type of the second operand to 'int'.
6100 * target.h (Copyright): Update date.
6101 (struct gcc_target.speculate_insn): Change type of the second parameter
6103 * lists.c (Copyright): Update date.
6104 (alloc_DEPS_LIST): Change signature. Update reference to the second
6105 operand of the DEPS_LIST.
6106 (copy_DEPS_LIST_list): Update reference to the second operand of the
6108 * rtl.h (Copyright): Update date.
6109 (alloc_DEPS_LIST): Update signature.
6110 * sched-int.h (Copyright): Update date.
6111 (ds_t): Change typedef to 'int'.
6112 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6114 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6116 * haifa-sched.c (Copyright): Update date.
6117 (try_ready): Change condition to restore non-speculative pattern
6119 (process_insn_depend_be_in_spec): Code to keep probability of the
6120 speculative dependence non-decreasing.
6122 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6124 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6125 shut up the compiler.
6127 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6129 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6130 to use lib prefix for target.
6131 ($(T)libic_invalidate_array_4-200.a): Likewise.
6132 ($(T)libic_invalidate_array_4a.a): Likewise.
6134 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6135 J"orn Rennecke <joern.rennecke@st.com>
6137 * superh.opt: New file.
6138 * sh.c (boardtype, osruntime): Remove.
6139 * superh.h (SUBTARGET_OPTIONS): Remove.
6140 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6142 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6143 arguments with ^ and/or [].
6145 * config.gcc (sh-*-*): Add quoting to account for quirk of
6147 Replace == with = in enable_incomplete_targets test.
6149 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6150 with MASK_LITTLE_ENDIAN.
6152 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6153 * config/sh/sh.opt: Added to some comments.
6154 * config/sh/superh.h: Removed some chaff.
6156 * config/sh/sh.opt: Add m4-[1234]00* options.
6157 * config/sh/sh.c (sh_handle_option): Likewise.
6158 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6159 (ic_invalidate_array_4-100.o): New rule.
6160 ($(T)libic_invalidate_array_4-100.a): Likewise.
6161 (ic_invalidate_array_4-200.o): Likewise.
6162 ($(T)libic_invalidate_array_4-200.a): Likewise.
6163 (ic_invalidate_array_4a.o): Likewise.
6164 ($(T)libic_invalidate_array_4a.a): Likewise.
6165 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6166 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6168 * config/sh/crt1.asm: Merged in profiling code.
6169 * config/sh/superh.h (STARTFILE_SPEC): Override.
6170 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6171 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6172 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6174 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6175 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6176 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6178 * sh.opt (mpretend-cmove): New option.
6179 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6180 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6181 (movsicc): Add TARGET_PRETEND_CMOVE code.
6183 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6185 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6186 s390_class_max_nregs): New function prototypes.
6187 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6188 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6189 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6190 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6192 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6194 * dwarf2out.c (add_location_or_const_value_attribute): Call
6195 tree_add_const_value_attribute if nothing else works.
6196 (reference_to_unused): New.
6197 (rtl_for_decl_init): Use reference_to_unused to decide whether
6198 to output an initializer.
6200 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6203 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6204 peephole removing spe frob_di_df_2.
6206 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6208 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6209 (subscript_dependence_tester_1): Declared.
6210 (print_dir_vectors, print_dist_vectors): New.
6211 (debug_data_dependence_relation): New.
6212 (dump_data_dependence_relation): Print more details.
6213 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6214 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6215 (save_dist_v, save_dir_v, add_outer_distances,
6216 build_classic_dist_vector_1): New.
6217 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6218 Don't test for lambda_vector_lexico_pos.
6219 (same_access_functions, add_multivariate_self_dist,
6220 add_other_self_distances, dir_from_dist): New.
6221 (build_classic_dir_vector): Replace implementation almost identical to
6222 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6224 (subscript_dependence_tester_1): New.
6225 (subscript_dependence_tester): Handle the lexicographically negative
6226 distance vectors by recomputing the dependence relation.
6227 (compute_affine_dependence): Remove parameter loop_nest_depth.
6228 (compute_self_dependence): Don't call compute_subscript_distance.
6229 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6230 Add a parameter for the loop_nest.
6231 (find_loop_nest_1, find_loop_nest): New.
6232 (compute_data_dependences_for_loop): Compute the loop nest, and give
6233 up if the nest is not well formed.
6234 * tree-data-ref.h (loop_p): New.
6235 (struct data_dependence_relation): Replace size_vect field with
6236 loop_nest, a vec of loops.
6237 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6238 (DDR_LOOP_NEST): New.
6239 (print_dir_vectors, print_dist_vectors,
6240 debug_data_dependence_relation): Declared.
6241 (index_in_loop_nest): New.
6242 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6243 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6246 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6248 * simplify-rtx.c (simplify_relational_operation): Call
6249 simplify_relational_operation_1 even if mode is VOIDmode.
6251 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6253 PR tree-optimization/26804
6254 * tree.h (DECL_CALL_CLOBBERED): New macro.
6255 (tree_decl_common): Add call_clobbered_flag.
6256 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6257 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6258 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6259 (mark_non_addressable): Ditto.
6260 * tree-ssa.c (verify_call_clobbered): New function.
6261 (verify_alias_info): Use it.
6262 * tree-pass.h (pass_reset_cc_flags): New prototype.
6263 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6264 (reset_cc_flags): New function.
6265 * passes.c (init_optimization_passes): Call reset_cc_flags after
6266 initializing referenced_vars.
6268 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6269 Roger Sayle <roger@eyesopen.com>
6272 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6273 to 1.0 for non-real operands. Implement A / A optimization for
6276 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6278 * config/i386/i386.c (size_cost): Correct the comment for
6279 cost of storing fp registers.
6280 (i386_cost): Likewise.
6281 (i486_cost): Likewise.
6282 (pentium_cost): Likewise.
6283 (pentiumpro_cost): Likewise.
6284 (k6_cost): Likewise.
6285 (athlon_cost): Likewise.
6286 (k8_cost): Likewise.
6287 (pentium4_cost): Likewise.
6288 (nocona_cost): Likewise.
6289 (generic64_cost): Likewise.
6290 (generic32_cost): Likewise.
6292 2006-03-24 Denis Chertykov <denisc@overta.ru>
6294 * config/avr/avr-protos.h (extra_constraint): Delete.
6295 (extra_constraint_Q): New declaration.
6296 * config/avr/constraints.md: New file.
6297 * config/avr/avr.md: Include it.
6298 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6299 (TMP_REGNO, ZERO_REGNO): Likewise.
6300 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6301 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6302 (extra_constraint): Delete.
6303 (extra_constraint_Q): Test for memory constraint 'Q'.
6304 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6305 (REG_CLASS_FROM_LETTER): Delete.
6306 (CONST_OK_FOR_LETTER_P): Delete.
6307 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6308 (EXTRA_CONSTRAINT): Delete.
6309 (TMP_REGNO): Delete.
6310 (ZERO_REGNO): Delete.
6312 2006-03-24 Jeff Law <law@redhat.com>
6314 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6315 directly. Call mark_new_vars_to_rename slightly earlier.
6317 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6319 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6321 (gen_compile_unit_die): Use new language types for Objective-C and
6323 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6324 DW_LANG_C_plus_plus.
6327 * config/t-darwin (crt3.o): Work around bug 26840.
6328 * config/darwin-crt3.c: Rewrite.
6329 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6331 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6333 * doc/invoke.texi: Document -femit-class-debug-always
6334 * common.opt: Add -femit-class-debug-always.
6336 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6338 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6339 index and base register.
6340 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6341 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6342 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6343 REGNO_OK_FOR_INDEX_P.
6344 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6346 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6347 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6348 REG_OK_FOR_BASE_P): Definitions removed.
6350 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6353 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6354 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6355 set yet or weren't marked as local yet.
6357 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6359 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6362 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6364 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6365 (rs6000_legitimate_small_data_p): Delete.
6366 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6367 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6368 and make static. Add forward declaration. Update uses.
6369 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6370 of offsettable_memref_p.
6371 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6372 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6374 2006-03-24 Jeff Law <law@redhat.com>
6376 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6377 around bug in immediate-use iterator.
6379 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6382 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6383 or __LITTLE_ENDIAN__.
6385 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6387 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6388 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6389 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6390 * config/sh/sh.opt (mdiv=): Amend description.
6391 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6392 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6393 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6394 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6395 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6396 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6397 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6398 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6399 TARGET_DIVIDE_CALL_FP.
6401 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6403 * haifa-sched.c (choose_ready): Fix type of the local variable.
6404 Move local variables. Add comment.
6405 (check_reg_live): Change signature. Make callable from debugger.
6406 * sched-int.h (check_reg_live): Update signature.
6407 * sched-ebb.c (check_reg_live): Update parameters.
6408 * sched-rgn.c (check_reg_live): Ditto.
6409 (region_head_or_leaf_p): Check pointer before dereferencing.
6410 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6411 before reload on optimization levels below 1.
6413 2006-03-23 Richard Henderson <rth@redhat.com>
6415 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6419 * config/alpha/predicates.md (local_symbolic_operand): Reject
6422 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6425 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6426 expressions which have overflowed constants.
6428 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6430 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6432 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6434 * cfgloopmanip.c (create_loop_notes): Removed.
6435 * final.c (final_scan_insn): Do not handle loop notes.
6436 * jump.c (squeeze_notes): Ditto.
6437 * cfglayout.c (skip_insns_after_block,
6438 duplicate_insn_chain): Ditto.
6439 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6441 * cfgloop.h (create_loop_notes): Declaration removed.
6443 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6445 * varasm.c (output_constant_pool): Restore fnname and fndecl
6447 (assemble_start_function): Adjust call accordingly.
6448 (assemble_end_function): Likewise.
6450 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6453 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6456 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6458 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6461 * system.h (ICE_EXIT_CODE): New macro.
6462 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6463 (diagnostic_action_after_output): Likewise.
6464 * gcc.c (fatal_ice): New function.
6465 (execute): Use it instead of fatal.
6466 (fancy_abort): Likewise.
6467 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6469 2006-03-22 Jeff Law <law@redhat.com>
6471 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6472 iv_analyze_result returning false.
6474 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6476 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6478 2006-03-22 Richard Henderson <rth@redhat.com>
6481 * except.c (duplicate_eh_regions_0): New.
6482 (duplicate_eh_region_1): Duplicate the children of the node as
6483 well as the node itself. Link them up properly.
6484 (duplicate_eh_region_2): Merge into ...
6485 (duplicate_eh_regions): ... here. Take copy_region argument, and
6486 copy only a sub-tree if asked. Simplify copying and fixup.
6487 (eh_region_outer_p): New.
6488 * except.h (duplicate_eh_regions): Update decl.
6489 (eh_region_outer_p): Declare.
6490 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6491 (lower_omp_master): Likewise.
6492 (lower_omp_ordered): Likewise.
6493 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6494 (move_stmt_r): Use it to remap labels. Handle recursion vs
6495 remap_decls_p properly.
6496 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6497 (find_outermost_region_in_block): New.
6498 (new_label_mapper): New.
6499 (move_sese_region_to_fn): Copy eh information to the new function
6501 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6503 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6506 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6508 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6509 into shared libraries.
6511 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6513 * doc/md.texi: Refer to i386/constraints.md instead of
6515 * config/i386/constraints.md: New file, extracted from...
6516 * config/i386/predicates.md: ...here.
6517 * config/i386/i386.md: Include constraints.md.
6519 2006-03-21 Jason Merrill <jason@redhat.com>
6521 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6524 * expr.c (init_block_move_fn): Force default visibility.
6525 (init_block_clear_fn): Likewise.
6526 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6527 * targhooks.c (default_external_stack_protect_fail): Likewise.
6529 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6531 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6532 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6533 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6534 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6535 (loadgp): Use mips_current_loadgp_style.
6536 (loadgp_noshared): New pattern.
6537 (sibcall_internal): Use MIPS_CALL.
6538 (sibcall_value_internal): Likewise.
6539 (sibcall_value_multiple_internal): Likewise.
6540 (call_internal): Likewise.
6541 (call_value_internal): Likewise.
6542 (call_value_multiple_internal): Likewise.
6543 (call_split): Use MIPS_CALL and add an 'S' constraint.
6544 (call_value_split): Likewise.
6545 (call_value_multiple_split): Likewise.
6546 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6547 (-mshared): New option.
6548 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6549 (mips_current_loadgp_style): Declare.
6550 * config/mips/mips.c (mips_classify_symbol): Avoid using
6551 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6552 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6553 TARGET_ABSOLUTE_ABICALLS.
6554 (override_options): Adjust comments. Improve the warning that is
6555 issued when -mabicalls and -G are used together.
6556 (mips_file_start): Remove comment.
6557 (mips_current_loadgp_style): New function.
6558 (mips_gnu_local_gp): New variable.
6559 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6561 (mips_output_function_prologue): Use mips_current_laodgp_style.
6562 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6563 the cprestore instruction.
6564 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6565 live for TARGET_ABSOLUTE_ABICALLS.
6566 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6567 (ASM_SPEC): Pass down -mshared and -mno-shared.
6568 (MIPS_CALL): New macro.
6569 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6571 * doc/invoke.texi (-mabicalls): Update documentation.
6572 (-mshared): Document.
6574 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6576 * config/ia64/unwind-hpux.c: New file.
6577 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6579 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6582 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6584 2006-03-21 Jeff Law <law@redhat.com>
6586 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6587 type conversions of a VR_VARYING source to a wider type.
6589 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6591 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6592 tm_file on Solaris 10 and later.
6593 (sparc64-*-solaris2*): Likewise.
6594 (sparc-*-solaris2*): Likewise.
6595 * config/sol26.h: Rename to config/sol2-6.h.
6596 * config/sol2-10.h: New file.
6598 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6601 * tree-ssa-pre.c (create_component_ref_by_pieces):
6604 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6607 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6608 return it immediately.
6610 2006-03-21 Michael Matz <matz@suse.de>
6612 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6614 (remove_arc, add_arc): Update num_out_arcs member.
6615 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6617 (cache_presence): New function.
6618 (compare_states_for_equiv): New function.
6619 (state_is_differed): Don't take number of outargs, adjust callers.
6620 Use new invariant for speeding up.
6621 (init_equiv_class): Create initial classes based on sorted
6623 (partition_equiv_class): Don't track out_arcs_num.
6624 (evaluate_equiv_classes): Call cache_presence on all states and
6627 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6629 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6630 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6631 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6632 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6634 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6635 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6636 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6637 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6638 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6640 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6641 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6642 (REGNO_REG_CLASS): ARGP is in PREGS.
6643 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6645 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6646 to deal with those addresses.
6647 * addresses.h: New file.
6648 * caller-save.c: Include "addresses.h".
6649 (init_caller_save): Use new base_reg_class function.
6650 * rtl-factoring.c: Include "addresses.h".
6651 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6652 * recog.c: Include "addresses.h".
6653 (preprocess_constraints): Use new base_reg_class function.
6654 * regrename.c: Include "addresses.h".
6655 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6656 functions. Keep track of a new var INDEX_CODE to compute valid
6658 (replace_oldest_value_addr): Likewise.
6659 (replace_oldest_value_mem): Use base_reg_class.
6660 * reload.c: Include "addresses.h".
6661 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6662 (find_reloads): Use new base_reg_class function.
6663 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6664 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6665 all callers and prototype changed.
6666 * reload1.c: Include "addresses.h".
6667 (maybe_fix_stack_asms): Use base_reg_class.
6668 * regclass.c: Include "addresses.h".
6669 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6670 (init_reg_autoinc): Use new base_reg_class function.
6671 (record_reg_classes): Likewise.
6672 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6673 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6674 Use new args to compute necessary class.
6676 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6677 regrename.o, rtl-factoring.o): Update dependencies.
6678 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6679 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6680 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6681 REG_OK_FOR_INDEX_P): Delete documentation.
6683 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6685 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6686 from V7 to V9 for Solaris 7 and above.
6688 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6690 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6691 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6692 argument pointers may not alias any other storage.
6693 * common.opt: Define option -fargument-noalias-anything.
6694 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6695 alias semantics is specified by flag_argument_noalias > 2.
6697 2006-03-20 Jeff Law <law@redhat.com>
6699 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6700 (pass_phi_only_cprop): Declare.
6701 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6703 * tree-ssa-dom.c (degenerate_phi_result): New function.
6704 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6705 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6706 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6707 (eliminate_degenerate_phis): Likewise.
6708 (pass_phi_only_cprop): New pass descriptor.
6709 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6710 support code. Callers updated.
6711 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6712 (store_copy_prop): Likewise.
6713 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6715 2006-03-20 Jason Merrill <jason@redhat.com>
6718 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6719 (push_visibility, pop_visibility): Likewise.
6720 * c-pragma.h: Declare them.
6722 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6724 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6726 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6727 parameter and use get_ebb_head_tail.
6728 (sh_md_init_global): Adjust uses of find_regmode_weight.
6730 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6732 * function.h (struct function) <x_tail_recursion_reentry>:
6733 Rename to x_stack_check_probe_note.
6734 (tail_recursion_reentry): Rename to stack_check_probe_note.
6735 * function.c: Replace tail_recursion_reentry with
6736 stack_check_probe_note everywhere.
6737 (expand_function_start): Only emit a note for
6738 stack_check_probe_note with -fstack-protect.
6739 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6741 * emit-rtl.c (remove_unnecessary_notes): Remove.
6742 (pass_remove_unnecessary_notes): Remove.
6743 * rtl.h (remove_unnecessary_notes): Remove prototype.
6744 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6745 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6746 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6748 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6751 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6752 (valid_in_set): Handle ARRAY_REF.
6753 Change "if min_variant or VH" to asserts.
6754 (create_component_ref_by_pieces): Handle ARRAY_REF.
6755 (create_expression_by_pieces): Likewise.
6756 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6758 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6760 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6761 is operand of switch, not str[0].
6763 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6765 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6766 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6768 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6770 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6771 end of insn_extra_address_constraint declaration.
6773 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6775 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6776 (no-sum-in-toc): Same.
6777 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6779 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6780 NO_FP_IN_TOC for -fPIC instead of mask.
6782 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6783 (BOOT_LDFLAGS): Delete.
6785 * config/rs6000/t-aix52: Same.
6787 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6788 (stmsi[345678]_power): New.
6790 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6792 * config/ia64/ia64.opt: Add empty line to end of file.
6794 2006-03-17 Richard Guenther <rguenther@suse.de>
6797 * builtins.c (get_pointer_alignment): For component style references
6798 adjust alignment to the component type alignment. Make sure
6799 to adjust alignment for component access of constants.
6801 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6803 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6806 2006-03-17 Paul Brook <paul@codesourcery.com>
6808 * doc/install.texi: Docuemnt --with-mode.
6809 * config.gcc: Add --with-mode for arm*-*-*.
6810 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6812 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6814 * sh.c (max_labelno_before_reorg): New variable.
6815 (sh_reorg): Initialize it.
6816 (find_barrier): Check max_labelno_before_reorg before using
6817 label_to_alignment. Take length of explicit alignment insns
6818 into account. When seeing a UNSPECV_CONST_END, return it.
6820 * sh.c (fixup_mova): Set mode of affected label to QImode.
6821 (untangle_mova): New function.
6822 (find_barrier): Use it. Check mode of label before decrementing
6824 (sh_reorg): Likewise.
6825 Set mode of all insns back to VOIDmode.
6827 * sh.c (MOVA_LABELREF): New macro.
6828 (mova_p, fixup_mova, sh_reorg): Use it.
6829 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6830 ADDR_DIFF_VEC matches mova.
6832 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6834 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6835 with ATTRIBUTE_UNUSED.
6837 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6839 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6840 pointer, instead of assuming it is possible to derive the
6841 correct args size from a call insn.
6843 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6845 * rtl.h (CONST_INT_P): Define.
6846 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6847 instead of GET_CODE(x) == CONST_INT.
6848 (vax_rtx_costs): Likewise.
6849 (vax_output_int_move): Likewise.
6850 (vax_output_int_add): Likewise.
6851 (legitimate_constant_address_p): Likewise.
6852 (index_term_p): Likewise.
6853 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6854 * config/vax/vax.md (and<mode>3): Likewise.
6855 (ashrsi3): Likewise.
6857 (movstricthi): Likewise.
6858 (movstrictqi): Likewise.
6859 (rotrsi3): Likewise.
6860 (five unnamed insns): Likewise.
6862 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6864 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6865 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6866 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6867 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6868 Pass to ASM_OUTPUT_DWARF_OFFSET.
6869 * dwarf2out.c (debug_frame_section): New.
6870 (output_call_frame_info): Use debug_frame_section. Pass it to
6871 dw2_asm_output_offset.
6872 (output_die): Pass appropriate section to dw2_asm_output_offset.
6873 (output_compilation_unit_header): Likewise.
6874 (output_pubnames): Likewise.
6875 (output_aranges): Likewise.
6876 (enum dw_val_class): Break dw_val_class_lbl_offset into
6877 dw_val_class_lineptr and dw_val_class_macptr.
6878 (add_AT_lbl_offset): Delete.
6879 (add_AT_lineptr): New.
6880 (add_AT_macptr): New.
6881 (AT_lbl): Expect a lineptr or macptr.
6882 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6883 (attr_checksum): Likewise.
6884 (same_dw_val_p): Likewise.
6885 (size_of_die): Likewise.
6886 (value_format): Likewise.
6887 (output_die): Likewise.
6888 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6890 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6891 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6892 * config/darwin-protos.h (darwin_file_start): New.
6893 (darwin_asm_output_dwarf_offset): New.
6894 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6895 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6897 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6898 if not EH section; simplify.
6899 (darwin_file_start): New.
6900 (darwin_asm_output_dwarf_offset): New.
6901 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6903 (DEBUG_INFO_SECTION): Likewise.
6904 (DEBUG_ABBREV_SECTION): Likewise.
6905 (DEBUG_ARANGES_SECTION): Likewise.
6906 (DEBUG_MACINFO_SECTION): Likewise.
6907 (DEBUG_LINE_SECTION): Likewise.
6908 (DEBUG_LOC_SECTION): Likewise.
6909 (DEBUG_PUBNAMES_SECTION): Likewise.
6910 (DEBUG_STR_SECTION): Likewise.
6911 (DEBUG_RANGES_SECTION): Likewise.
6912 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6913 (ASM_OUTPUT_DWARF_OFFSET): New.
6915 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6917 * config.gcc (tm_defines): Always add to previous value rather
6920 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6922 * config/mips/predicates.md (splittable_const_int_operand): New,
6923 split from move_operand.
6924 (splittable_symbolic_operand): New.
6925 (move_operand): Add commentary. Use splittable_const_int_operand.
6926 Inline mips_atomic_symbolic_constant_p.
6927 * config/mips/mips.md: Add combine splitters for handling moves
6928 of splittable_const_int_operands and splittable_symbolic_operands.
6929 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6930 (mips_split_symbol): Declare.
6931 (mips_move_integer): Declare.
6932 * config/mips/mips.c (mips_split_p): Make global.
6933 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6934 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6935 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6936 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6937 (mips_offset_within_object_p): Handle block symbols.
6938 (mips_atomic_symbolic_constant_p): Delete.
6939 (mips_cannot_force_const_mem): Return false for constants that
6940 mips_legitimize_move can handle.
6941 (mips_use_blocks_for_constant_p): New function.
6942 (mips_split_symbol): Make global.
6943 (mips_move_integer): Likewise. Add a temporary register argument.
6944 (mips_legitimize_const_move): Use splittable_const_int_operand and
6945 splittable_symbolic_operand.
6946 (mips_use_anchors_for_symbol_p): New function.
6947 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6948 (mips_split_p): Declare.
6950 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6952 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6953 (mips*-*-linux*): Likewise.
6955 2006-03-16 Roger Sayle <roger@eyesopen.com>
6956 Daniel Speyer <dspeyer@wam.umd.edu>
6959 * tree-dump.c (dump_real): New function.
6960 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6961 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6962 (tree-dump.o): Add $(REAL_H) to the dependencies.
6964 2006-03-16 Roger Sayle <roger@eyesopen.com>
6967 * real.c (real_from_string): If the mantissa is zero, don't bother
6968 parsing the exponent as the result should always be zero.
6970 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6972 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6974 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6976 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6977 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6978 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6979 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6980 ia64_sched_finish_global): New static functions to implement
6981 hooks from gcc_target.sched.
6982 (spec_check_no, max_uid, pending_data_specs): New static variables.
6983 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6984 ia64_spec_check_src_p): New static functions.
6985 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6986 (TARGET_SCHED_ADJUST_COST): Removed.
6987 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6988 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6989 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6990 TARGET_SCHED_GEN_CHECK,
6991 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6992 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6993 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6994 Fixed to handle speculation checks.
6995 (rtx_needs_barrier): Fixed to handle speculative loads and
6997 (ia64_variable_issue): Added code to count speculative loads and their
6999 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7001 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7003 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7005 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7006 (ia64_reorg): Reset stops_p to NULL after it is freed.
7007 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7008 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7009 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7011 (data_speculative, control_speculative, check_load): New attributes.
7012 (mov<mode>_advanced, mov<mode>_speculative,
7013 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7014 zero_extend<mode>di2_speculative,
7015 zero_extend<mode>di2_speculative_advanced): New patterns for
7016 data and control speculative loads.
7017 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7019 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7020 New pattern for data and control speculation checks.
7021 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7022 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7023 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7024 Auxiliary definitions for the patterns.
7025 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7026 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7028 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7030 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7031 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7032 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7033 New resource constraints.
7034 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7036 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7037 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7038 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7039 msched-in-control-spec, msched-ldc, msched-control-ldc,
7040 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7041 msched-prefer-non-control-spec-insns,
7042 msched-count-spec-in-critical-path): New flags to tune speculative
7044 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7045 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7046 msched-in-control-spec, msched-ldc, msched-control-ldc,
7047 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7048 msched-prefer-non-control-spec-insns,
7049 msched-count-spec-in-critical-path): Document new flags.
7051 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7053 * target.h (struct spec_info_def): New opaque declaration.
7054 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7055 speculate_insn, needs_block_p, gen_check,
7056 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7057 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7058 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7059 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7060 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7061 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7063 (TARGET_SCHED): Use new macros.
7064 * rtl.h (copy_DEPS_LIST_list): New prototype.
7065 * sched-int.h (struct sched_info): Change signature of new_ready field,
7066 adjust all initializations. New fields: add_remove_insn,
7067 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7068 region_head_or_leaf_p.
7069 (struct spec_info_def): New structure declaration.
7070 (spec_info_t): New typedef.
7071 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7072 recovery_block, orig_pat.
7073 (glat_start, glat_end): New variables declaraions.
7074 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7076 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7077 DETACH_LIFE_INFO, USE_GLAT.
7078 (enum SPEC_SCHED_FLAGS): New enumeration.
7079 (NOTE_NOTE_BB_P): New macro.
7080 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7081 attach_life_info, debug_spec_status, check_reg_live): New functions.
7082 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7083 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7085 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7086 * ddg.c (get_block_head_tail): Adjust all uses.
7087 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7088 (sms_sched_info): Initialize new fields.
7089 (contributes_to_priority): Removed.
7090 * haifa-sched.c (params.h): New include.
7091 (get_block_head_tail): Adjust all uses.
7092 (ISSUE_POINTS): New macro.
7093 (glat_start, glat_end): New global variables.
7094 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7095 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7096 old_last_basic_block, before_recovery, current_sched_info_var,
7097 rgn_n_insns, luid): New static variables.
7098 (insn_cost1): New function. Move logic from insn_cost to here.
7099 (find_insn_reg_weight1): New function. Move logic from
7100 find_insn_reg_weight to here.
7101 (reemit_notes, move_insn, max_issue): Change signature.
7102 (move_insn1): Removed.
7103 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7104 extend_bb): New static functions to support extension of scheduler's
7106 (generate_recovery_code, process_insn_depend_be_in_spec,
7107 begin_speculative_block, add_to_speculative_block,
7108 init_before_recovery, create_recovery_block, create_check_block_twin,
7109 fix_recovery_deps): New static functions to support
7110 generation of recovery code.
7111 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7112 restore_bb_notes, move_block_after_check, move_succs): New static
7113 functions to support ebb scheduling.
7114 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7115 functions to support handling of register live information.
7116 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7117 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7118 add_jump_dependencies): New static functions.
7119 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7120 consistancy checking.
7121 (debug_spec_status): New function to call from debugger.
7122 (priority): Added code to handle speculation checks.
7123 (rank_for_schedule): Added code to distinguish speculative instructions.
7124 (schedule_insn): Added code to handle speculation checks.
7125 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7126 Fixed to handle ebbs.
7127 (move_insn): Added code to handle ebb scheduling.
7128 (max_issue): Added code to use ISSUE_POINTS of instructions.
7129 (choose_ready): Added code to choose between speculative and
7130 non-speculative instructions.
7131 (schedule_block): Added code to handle ebb scheduling and scheduling of
7132 speculative instructions.
7133 (sched_init): Initialize new variables.
7134 (sched_finish): Free new variables. Print statistics.
7135 (try_ready): Added code to handle speculative instructions.
7136 * lists.c (copy_DEPS_LIST_list): New function.
7137 * sched-deps.c (extend_dependency_caches): New function. Move logic
7138 from create_dependency_caches to here.
7139 (get_dep_weak, ds_merge): Make global.
7140 * genattr.c (main): Code to output prototype for
7141 dfa_clear_single_insn_cache.
7142 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7143 (output_dfa_clean_insn_cache_func): Code to output
7144 dfa_clear_single_insn_cache function.
7145 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7147 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7149 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7150 New static variables.
7151 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7152 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7154 (ebb_sched_info): Initialize new fields.
7155 (get_block_head_tail): Adjust all uses.
7156 (compute_jump_reg_dependencies): Fixed to use glat_start.
7157 (schedule_ebb): Code to remove unreachable last block.
7158 (schedule_ebbs): Added code to update register live information.
7159 * sched-rgn.c (region_sched_info): Initialize new fields.
7160 (get_block_head_tail): Adjust all uses.
7161 (last_was_jump): Removed. Adjust users.
7162 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7163 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7164 Implement new hooks.
7165 (check_dead_notes1): New static function.
7166 (struct region): New fields: dont_calc_deps, has_real_ebb.
7167 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7168 (BB_TO_BLOCK): Fixed to handle EBBs.
7169 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7170 (ebb_head): New static variable.
7171 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7172 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7174 (compute_dom_prob_ps): New assertion.
7175 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7176 global_live_at_start.
7177 (init_ready_list): New assertions.
7178 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7179 (new_ready): Add support for BEGIN_CONTROL speculation.
7180 (schedule_insns): Fixed code that updates register live information
7182 (schedule_region): Fixed to handle EBBs.
7183 (init_regions): Use extend_regions and check_dead_notes1.
7184 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7185 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7186 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7187 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7188 TARGET_SCHED_GEN_CHECK,
7189 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7190 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7191 * doc/invoke.texi (max-sched-insn-conflict-delay,
7192 sched-spec-prob-cutoff): Document.
7194 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7196 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7197 inter_tick, queue_index.
7198 (struct sched_info): Change signature of init_ready_list field.
7199 Adjust all initializations.
7200 (RESOLVED_DEPS): New access macro.
7201 (ready_add): Remove prototype.
7202 (try_ready): Add prototype.
7203 * sched-rgn.c (init_ready_list): Use try_ready.
7204 (schedule_region): Initialize
7205 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7206 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7207 (init_ready_list): Use try_ready.
7208 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7209 * lists.c (remove_list_elem): Remove `static'.
7210 (remove_free_INSN_LIST_elem): New function.
7211 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7212 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7213 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7215 (readyp): New variable.
7216 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7217 change_queue_index, resolve_dep): New static functions.
7218 (try_ready): New function. Adjust callers in sched-rgn.c and
7219 sched-ebb.c to use it instead of ready_add.
7220 (clock_var): Move at the begining of file.
7221 (rank_for_schedule): Fix typo.
7222 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7223 (ready_lastpos): Enforce assertion.
7224 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7226 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7227 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7228 (queue_to_ready): Use free_INSN_LIST_list.
7229 (early_queue_to_ready): Fix typo.
7230 (schedule_block): Init readyp. Move init_ready_list call after the
7231 initialization of clock_var. Fix error in rejecting insn by
7232 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7233 that previously corrected INSN_TICKs. Add code for handling
7235 (set_priorities): Fix typo.
7236 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7237 Clarify comment and code that keeps current_sched_info->next_tail
7240 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7242 * sched-rgn.c (extend_rgns): New static function.
7243 (find_rgns): Use it.
7244 (gather_region_statistics, print_region_statistics): New static
7246 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7247 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7249 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7250 Andrey Belevantsev <abel@ispras.ru>
7252 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7253 * lists.c (unused_deps_list): New variable.
7254 (free_list): Add assertions to verify the proper distinguishing
7255 between INSN_LISTs and DEPS_LISTs.
7256 (find_list_elem, remove_list_elem, remove_list_node): New static
7258 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7259 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7260 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7261 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7263 (free_INSN_LIST_node): Likewise.
7264 * modulo-sched.c (current_sched_info): Initialize flags field.
7265 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7266 * rtl.def (DEPS_LIST): Define.
7267 * rtl.h: Declare new functions from lists.c.
7268 * sched-deps.c (spec_dependency_cache): New static variable.
7269 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7270 (add_dependence): Change return type to void. Move the logic to ...
7271 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7272 (delete_all_dependences): Add comment about forward_dependency_cache.
7273 Handle spec_dependency_cache. Handle DEPS_LISTs.
7274 (fixup_sched_groups): Clarify the change of priority of output
7275 and anti dependencies.
7276 (sched_analyze_2): Adjust add_dependence calls to create data
7277 speculative dependence.
7278 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7279 Adjust all callers. Handle DEPS_LISTS.
7280 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7281 presence of speculation.
7282 (init_dependency_caches, free_dependency_caches):
7283 Handle spec_dependency_cache.
7284 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7285 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7286 New static functions.
7287 (add_or_update_back_dep, add_or_update_back_forw_dep,
7288 add_back_forw_dep, delete_back_forw_dep): New functions.
7289 * sched-int.h (ds_t, dw_t): New typedefs.
7290 (struct sched_info): Add new field flags.
7291 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7292 Prototype new sched-deps.c functions.
7293 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7294 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7295 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7296 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7297 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7298 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7300 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7302 * sched-rgn.c (current_sched_info): Initialize flags field.
7303 (schedule_insns): Initialize current_sched_info before the sched_init
7305 * sched-ebb.c (current_sched_info): Initialize flags field.
7306 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7307 Call add_or_update_back_dep instead of add_dependence.
7308 Create control speculative dependencies.
7309 (schedule_insns): Initialize current_sched_info before the sched_init
7312 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7314 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7316 (sh_fallback_frame_state): Likewise.
7318 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7320 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7321 Do switch on default_use_cxa_atexit.
7322 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7323 * config/darwin-crt3.o: New.
7324 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7325 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7326 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7328 * config/rs6000/t-darwin: Move crt2.o building to here.
7329 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7330 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7333 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7335 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7336 from '! xxx' to '!xxx' for coding-style conformance.
7337 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7338 (EXTRA_CONSTRAINT): Likewise.
7339 * config/vax/vax.md (four unnamed insns): Likewise.
7341 2006-03-15 Paul Brook <paul@codesourcery.com>
7343 * config/arm/arm.c (minipool_pad): New.
7344 (add_minipool_forward_ref): Include pool alignment padding in address
7346 (push_minipool_fix): Set minipool_pad.
7347 (minipool_pad): Ditto.
7349 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7351 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7352 instead of GET_CODE() == MEM and REG_P() instead of
7354 (print_operand_address): Likewise.
7355 (vax_address_cost): Likewise.
7356 (vax_rtx_costs): Likewise.
7357 (vax_notice_update_cc): Likewise.
7358 (vax_output_int_add): Likewise.
7359 (INDEX_REGISTER_P): Likewise.
7360 (BASE_REGISTER_P): Likewise.
7361 (nonindexed_address_p): Likewise.
7362 (vax_mode_dependent_address_p): Likewise.
7363 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7364 (PRINT_OPERAND): Likewise.
7365 * config/vax/vax.md (ashlsi3): Likewise.
7366 (ashlsi3): Likewise.
7367 (some more unnamed insns): Likewise.
7369 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7371 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7372 iterator-style macro.
7373 (mark_control_dependent_edges_necessary): Update the use of
7374 EXECUTE_IF_CONTROL_DEPENDENT.
7376 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7378 * config/sh/predicates.md (cache_address_operand): Special.
7379 (ua_address_operand): Likewise.
7381 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7383 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7385 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7387 2006-03-15 Andreas Schwab <schwab@suse.de>
7389 * gensupport.c (identify_predicable_attribute): Don't free p_false
7390 when it is still in use.
7392 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7394 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7395 the default setting here.
7397 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7399 * tree-pass.h (pass_cfg): Remove.
7400 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7401 * passes.c (pass_cfg): Don't run it.
7403 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7405 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7406 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7408 (stack_regs_mentioned): Update the uses of
7409 stack_regs_mentioned_data. Don't access the array beyond its
7411 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7412 Don't include gt-reg-stack.h.
7414 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7415 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7417 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7420 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7423 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7425 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7427 2006-03-14 Richard Guenther <rguenther@suse.de>
7429 PR tree-optimization/26672
7430 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7433 2006-03-14 Richard Guenther <rguenther@suse.de>
7435 PR tree-optimization/26667
7436 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7437 node for the callees. Always allow inlining if it will shrink
7440 2006-03-14 Richard Guenther <rguenther@suse.de>
7443 * builtins.c (get_pointer_alignment): Prefer alignment
7444 information from decls over that from types.
7446 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7449 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7451 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7453 * config/rs6000/rs6000.opt (mdlmzb): New option.
7454 (msched-prolog, msched-epilog): Use Var not Mask.
7455 * doc/invoke.texi (-mdlmzb): Document.
7456 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7458 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7459 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7461 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7463 PR rtl-optimization/25739
7464 * bt-load.c (augment_live_range): Free tos pointer.
7466 * gensupport.c (identify_predicable_attribute): Free
7468 * gcov.c (create_file_names): Free name pointer.
7470 2006-03-13 Roger Sayle <roger@eyesopen.com>
7473 * stmt.c (emit_case_nodes): Handle the case where the index is a
7474 CONST_INT, where the comparison mode is specified by the index type.
7476 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7478 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7481 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7483 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7484 (*branch_fp_inverted): Likewise.
7486 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7489 * omp-low.c (expand_omp_for_generic): Mark istart0
7490 and iend0 as addressable.
7492 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7494 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7496 2006-03-13 Jeff Law <law@redhat.com>
7498 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7499 virtual operands are interesting.
7500 (vrp_visit_stmt): Corresponding changes.
7502 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7504 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7506 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7507 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7508 * config/bfin/crti.S: Use it instead of __PIC__.
7509 * config/bfin/crtn.S: Likewise.
7511 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7512 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7514 Lose 'G' modifier for call operand.
7515 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7516 recognize 'G' modifier.
7518 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7521 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7522 * stmt.c (expand_case): Likewise.
7524 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7526 PR rtl-optimization/26254
7527 * loop-invariant.c (seq_insns_valid_p): New function.
7528 (move_invariant_reg): Only emit new code if it is valid.
7530 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7532 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7534 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7535 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7536 (commit_one_edge_insertion): Do not look for loop notes.
7538 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7540 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7541 flag_test_coverage out of loop.
7543 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7545 * final.c (shorten_branches): Remove outdated comment, and turn
7546 the if branch that guards it to continue.
7548 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7550 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7551 * cfgloop.h (struct loop): Remove unused fields.
7553 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7555 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7556 (-dL, -fdump-rtl-loop2): Update the dump file names
7558 * doc/invoke.texi: Update dump file names.
7560 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7562 * predict.c (estimate_probability): Remove.
7563 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7564 * basic-block.h (estimate_probability): Remove prototype.
7565 * passes.c (finish_optimization_passes): Dump branch prediction or
7566 profiling heuristics to the .profile tree dump.
7567 (init_optimization_passes): Unqueue pass_branch_prob.
7569 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7571 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7573 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7574 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7576 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7578 * function.h (frame_offset_overflow): Declare.
7579 * function.c (frame_offset_overflow): New function.
7580 (assign_stack_local_1): Call it to detect that the offset overflows.
7581 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7583 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7585 * config/sh/sh.c: Include alloc-pool.h.
7586 (label_ref_list_pool): New alloc pool.
7587 (label_ref_list_t): New type for lists of labels.
7588 (struct pool_node): Make wend a label_ref_list_t.
7589 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7591 (dump_table): Likewise.
7592 (sh_reorg): Set up the alloc pool before using add_constant and
7593 dump_table, and destroy it when finishing.
7595 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7597 * config/mips/mips.c: Remove redundant comment.
7599 2006-03-10 Jason Merrill <jason@redhat.com>
7602 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7603 the target was declared 'register'.
7605 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7607 * genpreds.c (write_insn_constraint_len): Change definition of
7608 insn_constraint_len to return size_t to match the declaration.
7610 2006-03-10 DJ Delorie <dj@redhat.com>
7612 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7614 (m32c_expand_insv): Fix test for an AND mask.
7616 2006-03-10 Richard Guenther <rguenther@suse.de>
7619 * builtins.c (get_pointer_alignment): Handle component
7620 references for field alignment.
7622 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7624 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7625 when building with libgloss.
7626 (sh*elf): Implement --without-fp option.
7627 (sh64-superh-linux*): Don't multilib.
7629 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7631 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7633 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7635 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7636 Set it when one of the replacement functions returned true.
7637 Return TODO_cleanup_cfg if cfgchanged is true.
7638 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7640 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7642 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7643 instead of gen_lowpart.
7645 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7647 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7649 (mips_output_order_conditional_branch): Declare.
7650 * config/mips/mips.h (MIPS_BRANCH): New macro.
7651 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7652 for the comparison. Use gen_condjump.
7653 (mips_output_conditional_branch): Rework interface to take the
7654 asm templates for a direct branch and the inverse of a direct branch.
7655 (mips_output_order_conditional_branch): New function.
7656 (mips_builtin_branch_and_move): New function.
7657 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7658 branch condition. Use gen_single_cc as the condition for
7659 __builtin_mips_upper_* or __builtin_mips_lower_*.
7660 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7661 Use VOIDmode for the branch condition.
7662 * config/mips/predicates.md (order_operator): New predicate.
7663 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7664 (branch_fp): Rename to...
7665 (*branch_fp): ...this. Remove mode from comparison operator.
7666 Use new mips_output_conditional_branch interface.
7667 (branch_fp_inverted): Rename to...
7668 (*branch_fp_inverted): ...this and update as for *branch_fp.
7669 (*branch_zero<mode>): Rename to...
7670 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7671 Use mips_output_order_conditional_branch. Only accept ordered
7673 (*branch_zero<mode>_inverted): Rename to...
7674 (*branch_order<mode>_inverted): ...this and update as for
7675 *branch_order<mode>.
7676 (*branch_equality<mode>): Accept zero as the second operand to
7677 the equality operator. Use the new mips_output_conditional_branch
7679 (*branch_equality<mode>_inverted): Likewise.
7680 (condjump): New expander.
7681 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7683 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7684 (bc1any2t, bc1any2f): Likewise.
7685 (single_cc): New expander.
7686 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7688 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7690 * doc/md.texi: Update documentation of MIPS constraints.
7691 * config/mips/constraints.md: New file.
7692 * config/mips/mips.md: Include it.
7693 * config/mips/mips.c (mips_char_to_class): Delete.
7694 (override_options): Don't initialize mips_char_to_class.
7695 * config/mips/mips.h (mips_char_to_class): Delete.
7696 (REG_CLASS_FROM_LETTER): Delete.
7697 (CONST_OK_FOR_LETTER_P): Delete.
7698 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7699 (EXTRA_CONSTRAINT_Y): Delete.
7700 (EXTRA_CONSTRAINT_STR): Delete.
7701 (CONSTRAINT_LEN): Delete.
7702 (EXTRA_MEMORY_CONSTRAINT): Delete.
7704 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7706 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7707 original fn's eh regions.
7709 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7711 * fold-const.c (build_range_check): Make sure to use a valid type to
7712 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7715 (range_predecessor): New static function.
7716 (range_successor): Likewise.
7717 (merge_ranges): Use them to compute predecessors and successors of
7720 2006-03-09 Roger Sayle <roger@eyesopen.com>
7723 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7724 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7726 2006-03-08 DJ Delorie <dj@redhat.com>
7728 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7729 (addpsi3): Expand to include memory operands. Remove
7730 reload-specific splits.
7731 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7732 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7733 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7734 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7735 (shift1_qi, shift1_hi, insv): New.
7736 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7737 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7738 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7740 * config/m32c/m32c-protos.h: Update as needed.
7741 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7742 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7743 Fail for unrecognized R* constraints.
7744 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7745 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7746 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7748 (m32c_init_libfuncs): New.
7749 (m32c_legitimate_address_p): Add debug wrapper.
7750 (m32c_rtx_costs): New.
7751 (m32c_address_cost): New.
7752 (conversions): Add 'B' prefix.
7753 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7754 operands, or word regnames for QI operands. 'B' prints bit
7756 (m32c_expand_setmemhi): New.
7757 (m32c_expand_movmemhi): New.
7758 (m32c_expand_movstr): New.
7759 (m32c_expand_cmpstr): New.
7760 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7761 (m32c_expand_neg_mulpsi3): Handle non-ints.
7762 (m32c_cmp_flg_0): New.
7763 (m32c_expand_movcc): New.
7764 (m32c_expand_insv): New.
7765 (m32c_scc_pattern): New.
7766 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7767 a0/a1 out of SIregs.
7768 (STORE_FLAG_VALUE): New.
7769 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7772 * config/m32c/mov.md: Make constraints more liberal.
7773 (zero_extendqihi2): Optimize r0/r1 case.
7774 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7775 * config/m32c/predicates.md (m32c_any_operand): New.
7776 (m32c_nonimmediate_operand): New.
7777 (m32c_hl_operand): New.
7778 (m32c_r3_operand): New.
7781 (memsym_operand): New.
7782 (memimmed_operand): New.
7783 (a_qi_operand): New.
7784 (m32c_eqne_operator): New.
7785 (m32c_1bit8_operand): New.
7786 (m32c_1bit16_operand): New.
7787 (m32c_1mask8_operand): New.
7788 (m32c_1mask16_operand): New.
7789 * config/m32c/blkmov.md: New file.
7790 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7792 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7794 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7795 unsigned to fix signed/unsigned comparison issue in
7796 DWARF2_FRAME_REG_OUT.
7797 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7798 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7800 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7801 of ptr into the ENABLE_CHECKING section.
7803 2006-03-08 Jeff Law <law@redhat.com>
7805 * tree-vrp.c (infer_value_range): Only count pointer uses
7806 and dereferences if -fdelete-null-pointer-checks is enabled.
7808 * tree-vrp.c (find_assert_locations): Infer value ranges for
7809 single use pointers, but do not create ASSERT_EXPRs for them.
7810 When a non-null range is inferred for a pointer, backwards
7811 propagate that range to other equivalent pointers through the
7814 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7817 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7818 language hook targets.
7819 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7820 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7821 if language hook targets were missing.
7823 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7825 * tree-ssa-opfinalize.h: Removed.
7826 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7828 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7829 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7830 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7831 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7832 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7833 finalize_ssa_v_must_def_ops): New.
7835 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7837 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7840 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7842 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7844 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7845 addresses with offsets; reorganize.
7847 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7848 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7849 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7851 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7854 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7856 2006-03-08 Ben Elliston <bje@au.ibm.com>
7858 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7860 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7863 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7866 2006-03-07 Richard Guenther <rguenther@suse.de>
7868 PR tree-optimization/26587
7869 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7871 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7873 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7875 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7877 * hooks.c (hook_bool_mode_rtx_true): New function.
7878 * hooks.h (hook_bool_mode_rtx_true): Declare.
7879 * toplev.c (compile_file): Call output_shared_constant_pool.
7880 * varasm.c (shared_constant_pool): New variable.
7881 (assemble_start_function, assemble_end_function): Remove arguments
7882 from call to output_constant_pool.
7883 (create_constant_pool): New function, split out from...
7884 (init_varasm_status): ...here.
7885 (force_const_mem): Choose between the shared and per-function constant
7886 pools. Set current_function_uses_const_pool when reusing old entries
7887 as well as when creating new ones.
7888 (mark_constant): Ignore data argument.
7889 (mark_constants): Remove pool argument.
7890 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7891 to decide whether the function uses a constant pool.
7892 (output_constant_pool_contents): New function, split out from...
7893 (output_constant_pool): ...here.
7894 (output_shared_constant_pool): New function.
7895 (init_varasm_once): Initialize shared_constant_pool.
7896 * output.h (output_constant_pool): Delete.
7897 (output_shared_constant_pool): Declare.
7898 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7899 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7901 2006-03-06 Nick Clifton <nickc@redhat.com>
7903 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7904 flag_strength_reduce.
7906 2006-03-06 Ben Elliston <bje@au.ibm.com>
7908 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7909 x86_64-*-linux* configurations.
7911 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7912 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7914 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7916 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7918 * basic-block.h: Remove the extern for
7919 rediscover_loops_after_threading.
7921 * cfgloop.c (cancel_loop): Make it static.
7922 * cfgloop.h: Remove the prototype for cancel_loop.
7924 * flow.c (recompute_reg_usage): Make it static.
7925 * rtl.h: Remove the prototype for recompute_reg_usage.
7927 * function.c (use_return_register): Make it static.
7928 * function.h: Remove the prototype.
7930 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7932 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7934 * recog.h: Remove the prototype for
7935 validate_change_maybe_volatile.
7937 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7939 * rtlanal.c (replace_reg): Remove.
7940 * rtl.h: Remove the prototype for replace_reg.
7942 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7944 * regclass.c (reg_scan_update): Remove.
7945 (reg_scan_mark_refs): Remove the last argument.
7946 * rtl.h: Remove the prototype for reg_scan_update.
7948 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7950 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7951 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7952 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7953 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7954 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7955 loop-invariant.c, omp-low.c, opts.c, passes.c,
7956 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7957 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7958 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7959 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7960 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7961 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7963 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7965 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7966 * dwarf2out.h: Remove the prototype for
7967 dwarf2out_add_library_unit_info.
7969 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7971 * tree.c (add_var_to_bind_expr): Remove.
7972 * tree.h: Remove the prototype for add_var_to_bind_expr.
7974 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7976 * regclass.c (n_non_fixed_regs): Remove.
7977 (init_reg_sets_1, globalize_reg): Remove all uses of
7979 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7981 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7983 * rtlanal.c (insns_safe_to_move_p): Remove.
7984 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7986 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7988 * expmed.c (expand_mult_add): Remove.
7989 * expr.h: Remove the prototype for expand_mult_add.
7991 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7993 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7994 and REG_SAVED_VAL_EXP constants.
7995 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7996 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7997 Handle regs stored by value.
7998 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7999 (execute_cfa_program): Handle DW_CFA_val_offset,
8000 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8001 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8002 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8003 (uw_install_context_1): Handle target regs stored by value.
8005 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8007 * tree-sra.c (tree_sra): Return todoflags;
8008 (generate_one_element): Set TODO_update_smt_usage if needed.
8009 (pass_sra): Remove TODO_update_smt_usage.
8010 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8012 (tree_ssa_forward_propagate_single_use_vars): Return
8013 TODO_update_smt_usage if we need to update SMT usage.
8014 (pass_forwprop): Remove TODO_update_smt_usage.
8016 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8018 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8019 (correct_use_link): Remove reference to get_stmt_operands.
8020 (update_stmt_operands): Likewise.
8021 (get_modify_expr_operands): New function factored out of
8022 parse_ssa_operands and get_expr_operands.
8023 Try to create V_MUST_DEFs for LHS by default.
8024 (get_expr_operands) <case MODIFY_EXPR>: Call
8025 get_modify_expr_operands.
8026 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8027 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8028 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8029 get_modify_expr_operands.
8031 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8033 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8034 * tree-flow.h: Remove the prototype for
8035 referenced_var_lookup_if_exists.
8037 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8039 PR rtl-optimization/26345
8041 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8043 2006-03-03 Roger Sayle <roger@eyesopen.com>
8045 PR tree-optimization/26524
8046 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8047 fold_convert to create a constant of the appropriate type.
8049 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8051 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8052 SYMBOL_REF_IN_BLOCK_P.
8053 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8054 of SYMBOL_FLAG_IN_BLOCK.
8055 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8056 instead of SYMBOL_REF_IN_BLOCK_P.
8057 * explow.c (use_anchored_address): Likewise.
8058 * rtl.c (rtx_size): Likewise.
8059 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8060 instead of SYMBOL_FLAG_IN_BLOCK.
8061 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8062 SYMBOL_REF_IN_BLOCK_P.
8063 (assemble_variable): Likewise.
8064 (output_constant_def_contents): Likewise.
8065 (output_constant_pool): Likewise.
8066 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8067 instead of SYMBOL_FLAG_IN_BLOCK.
8068 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8069 SYMBOL_REF_IN_BLOCK_P.
8070 (SYMBOL_REF_BLOCK): Likewise.
8071 (SYMBOL_REF_OFFSET): Likewise.
8072 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8073 SYMBOL_REF_IN_BLOCK_P.
8074 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8075 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8076 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8077 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8079 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8081 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8083 2006-03-02 Roger Sayle <roger@eyesopen.com>
8085 * simplify-rtx.c (simplify_unary_operation): When simplifying
8086 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8087 that we perform the right shift in the appropriate mode, and
8088 then extend or truncate the result to requested mode.
8090 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8092 * gengtype.c (main): Handle double_int type.
8093 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8094 * double-int.c: New file.
8095 * double-int.h: New file.
8096 * system.h: Include doubleint.h.
8097 * Makefile.in (SYSTEM_H): Include double-int.h.
8098 (double-int.o): Add.
8100 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8103 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8106 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8108 * tree-vrp.c (remove_range_assertions): Do not update statements
8111 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8113 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8115 * gcse.c (rest_of_handle_gcse): Ditto.
8116 * except.c (gate_handle_eh): Ditto.
8117 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8118 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8120 2006-03-02 Eric Christopher <echristo@apple.com>
8122 * config/i386/i386.c (machopic_output_stub): Add indirection to
8125 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8129 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8131 Sun Niagara specific optimizations.
8132 * config.gcc: Recognize niagara as target.
8133 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8134 (TARGET_CPU_niagara): Define.
8135 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8136 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8137 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8138 (ASM_CPU_SPEC): Likewise.
8139 (PROCESSOR_NIAGARA): New enum entry.
8140 (REGISTER_MOVE_COST): Handle Niagara.
8141 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8142 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8143 (sparc_override_options): Recognize "niagara", set appropriate
8144 default MASK_* values for it, and align functions to 32-bytes
8145 by default just like ULTRASPARC/ULTRASPARC3.
8146 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8147 (sparc64_initialize_trampoline): Likewise.
8148 (sparc_use_sched_lookahead): Use zero for niagara.
8149 (sparc_issue_rate): Use one for niagara.
8150 * config/sparc/niagara.md: New file.
8151 * config/sparc/sparc.md: Include it.
8152 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8153 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8154 when default cpu is niagara.
8155 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8156 (ASM_CPU_SPEC): Likewise.
8157 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8158 when default cpu is niagara.
8159 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8160 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8161 just like v9/ultrasparc/ultrasparc3.
8162 * doc/invoke.texi: Add documentation for "niagara" and improve
8163 existing documentation for ultrasparc variants.
8165 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8167 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8169 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8171 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8172 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8173 and say that only one is needed.
8174 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8175 * target.h (have_switchable_bss_sections): New hook.
8176 * explow.c (use_anchored_address): Check that the symbol is in a block.
8177 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8178 (bss_noswitch_section): New variables.
8179 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8180 (get_noswitch_section): New function.
8181 (get_block_for_section): Allow SECT to be null.
8182 (unlikely_text_section_p): Use SECTION_STYLE.
8183 (bss_initializer_p): New function.
8184 (get_variable_section): Move earlier in file. Take a new argument,
8185 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8186 Return one of the new *_sections in such cases.
8187 (get_block_for_decl): New function, extracting some logic from
8188 use_blocks_for_decl_p.
8189 (change_symbol_section): Remove in favor of...
8190 (change_symbol_block): ...this new function.
8191 (use_blocks_for_decl_p): Remove checks now performed by
8193 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8194 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8195 (emit_local, emit_bss, emit_common): ...these new functions.
8196 Return true if the alignment was honored.
8197 (emit_tls_common): New function.
8198 (asm_emit_uninitialised): Delete.
8199 (assemble_variable_noswitch): New function, split out from...
8200 (assemble_variable): ...here. Don't make decisions about common
8201 variables here. Globalize all public decls that go into non-common
8202 sections. Check whether SYMBOL_REF_BLOCK is null.
8203 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8204 (output_constant_pool): Likewise.
8205 (init_varasm_once): Initialize the new section variables.
8206 (have_global_bss_p): New function.
8207 (categorize_decl_for_section): Use bss_initializer_p.
8208 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8209 (place_block_symbol): Assert that the symbol must be in a block.
8210 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8211 (TARGET_INITIALIZER): Include it.
8212 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8213 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8214 (SECTION_MACH_DEP): Bump by two.
8215 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8216 (unnamed_section): Mention SECTION_UNNAMED in comment.
8217 (named_section): Likewise SECTION_NAMED.
8218 (noswitch_section_callback): New type.
8219 (noswitch_section): New structure.
8220 (section): Add a noswitch_section alternative.
8221 (SECTION_STYLE): New macro.
8222 (tls_comm_section, comm_section, lcomm_section): Declare.
8223 (bss_noswitch_section, have_global_bss_p): Declare.
8224 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8225 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8227 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8228 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8231 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8233 * tree-vrp.c (execute_vrp): Return value.
8234 * regrename.c (rest_of_handle_regrename): Ditto.
8235 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8236 * tree-complex.c (tree_lower_complex): Ditto.
8237 (tree_lower_complex_O0): Ditto.
8238 * tracer.c (rest_of_handle_tracer): Ditto.
8239 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8240 * postreload.c (rest_of_handle_postreload): Ditto.
8241 * tree-tailcall.c (execute_tail_recursion): Ditto.
8242 (execute_tail_calls): Ditto.
8243 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8244 * tree.h (init_function_for_compilation): Ditto.
8245 * ipa-cp.c (ipcp_driver): Ditto.
8246 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8247 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8248 * final.c (compute_alignments): Ditto.
8249 (rest_of_handle_final): Ditto.
8250 (rest_of_handle_shorten_branches): Ditto.
8251 (rest_of_clean_state): Ditto.
8252 * omp-low.c (execute_expand_omp): Ditto.
8253 (execute_lower_omp): Ditto.
8254 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8255 * ipa-reference.c (static_execute): Ditto.
8256 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8257 * reorg.c (rest_of_handle_delay_slots): Ditto.
8258 (rest_of_handle_machine_reorg): Ditto.
8259 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8260 * flow.c (recompute_reg_usage): Ditto.
8261 (rest_of_handle_remove_death_notes): Ditto.
8262 (rest_of_handle_life): Ditto.
8263 (rest_of_handle_flow2): Ditto.
8264 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8265 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8266 (do_ssa_store_ccp): Ditto.
8267 (execute_fold_all_builtins): Ditto.
8268 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8269 * modulo-sched.c (rest_of_handle_sms): Ditto.
8270 * ipa-pure-const.c (static_execute): Ditto.
8271 * cse.c (rest_of_handle_cse): Ditto.
8272 (rest_of_handle_cse2): Ditto.
8273 * web.c (rest_of_handle_web): Ditto.
8274 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8275 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8276 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8277 * tree-nrv.c (tree_nrv): Ditto.
8278 (execute_return_slot_opt): Ditto.
8279 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8280 (create_structure_vars): Ditto.
8281 * loop-init.c (rtl_loop_init): Ditto.
8282 (rtl_loop_done): Ditto.
8283 (rtl_move_loop_invariants): Ditto.
8284 (rtl_unswitch): Ditto.
8285 (rtl_unroll_and_peel_loops): Ditto.
8286 (rtl_doloop): Ditto.
8287 * gimple-low.c (lower_function_body): Ditto.
8288 (mark_used_blocks): Ditto.
8289 * tree-ssa-sink.c (execute_sink_code): Ditto.
8290 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8291 (cgraph_early_inlining): Ditto.
8292 * global.c (rest_of_handle_global_alloc): Ditto.
8293 * jump.c (cleanup_barriers): Ditto.
8294 (purge_line_number_notes): Ditto.
8295 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8296 (rest_of_handle_if_after_reload): Ditto.
8297 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8298 (tree_ssa_loop_im): Ditto.
8299 (tree_ssa_loop_unswitch): Ditto.
8300 (tree_vectorize): Ditto.
8301 (tree_linear_transform): Ditto.
8302 (tree_ssa_loop_ivcanon): Ditto.
8303 (tree_ssa_empty_loop): Ditto.
8304 (tree_ssa_loop_bounds): Ditto.
8305 (tree_complete_unroll): Ditto.
8306 (tree_ssa_loop_prefetch): Ditto.
8307 (tree_ssa_loop_ivopts): Ditto.
8308 (tree_ssa_loop_done): Ditto.
8309 * predict.c (tree_estimate_probability): Ditto.
8310 * recog.c (split_all_insns_noflow): Ditto.
8311 (rest_of_handle_peephole2): Ditto.
8312 (rest_of_handle_split_all_insns): Ditto.
8313 * tree-eh.c (lower_eh_constructs): Ditto.
8314 * regmove.c (rest_of_handle_regmove): Ditto.
8315 (rest_of_handle_stack_adjustments): Ditto.
8316 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8317 * function.c (instantiate_virtual_regs): Ditto.
8318 (init_function_for_compilation): Ditto.
8319 (rest_of_handle_check_leaf_regs): Ditto.
8320 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8321 (rest_of_handle_gcse): Ditto.
8322 * ipa-type-escape.c (type_escape_execute): Ditto.
8323 * alias.c (rest_of_handle_cfg): Ditto.
8324 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8325 * profile.c (rest_of_handle_branch_prob): Ditto.
8326 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8327 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8328 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8329 * tree-dfa.c (find_referenced_vars): Ditto.
8330 * except.c (set_nothrow_function_flags): Ditto.
8331 (convert_to_eh_region_ranges): Ditto.
8332 (rest_of_handle_eh): Ditto.
8333 * emit-rtl.c (unshare_all_rtl): Ditto.
8334 (remove_unnecessary_notes): Ditto.
8335 * except.h (set_nothrow_function_flags): Ditto.
8336 (convert_to_eh_region_ranges): Ditto.
8337 * cfgexpand.c (tree_expand_cfg): Ditto.
8338 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8339 * tree-ssa-pre.c (do_pre): Ditto.
8340 (execute_fre): Ditto.
8341 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8342 (rest_of_handle_jump2): Ditto.
8343 * tree-sra.c (tree_sra): Ditto.
8344 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8345 (execute_mudflap_function_decls): Ditto.
8346 * tree-ssa-copy.c (do_copy_prop): Ditto.
8347 (do_store_copy_prop): Ditto.
8348 * ipa-prop.h (ipcp_driver): Ditto.
8349 * cfglayout.c (insn_locators_initialize): Ditto.
8350 * tree-ssa-forwprop.c
8351 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8352 * cfglayout.h (insn_locators_initialize): Ditto.
8353 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8354 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8355 (execute_late_warn_uninitialized): Ditto.
8356 * rtl.h (cleanup_barriers): Ditto.
8357 (split_all_insns_noflow): Ditto.
8358 (purge_line_number_notes): Ditto.
8359 (unshare_all_rtl): Ditto.
8360 (remove_unnecessary_notes): Ditto.
8361 (recompute_reg_usage): Ditto.
8362 (variable_tracking_main): Ditto.
8363 * integrate.c (emit_initial_value_sets): Ditto.
8364 * integrate.h (emit_initial_value_sets): Ditto.
8365 * tree-optimize.c (execute_free_datastructures): Ditto
8366 (execute_free_cfg_annotations): Ditto.
8367 (execute_fixup_cfg): Ditto.
8368 (execute_cleanup_cfg_pre_ipa): Ditto.
8369 (execute_cleanup_cfg_post_optimizing): Ditto.
8370 (execute_init_datastructures): Ditto.
8371 * tree-object-size.c (compute_object_sizes): Ditto.
8372 * combine.c (rest_of_handle_combine): Ditto.
8373 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8374 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8375 (rest_of_handle_reorder_blocks): Ditto.
8376 (rest_of_handle_partition_blocks): Ditto.
8377 * var-tracking.c (variable_tracking_main): Ditto.
8378 * tree-profile.c (tree_profiling): Ditto.
8379 * tree-vect-generic.c (expand_vector_operations): Ditto.
8380 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8381 * sched-rgn.c (rest_of_handle_sched): Ditto.
8382 (rest_of_handle_sched2): Ditto.
8383 * basic-block.h (free_bb_insn): Ditto.
8384 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8385 * tree-cfg.c (execute_build_cfg): Ditto.
8386 (remove_useless_stmts): Ditto.
8387 (split_critical_edges): Ditto.
8388 (execute_warn_function_return): Ditto.
8389 (execute_warn_function_noreturn): Ditto.
8390 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8391 * cfgrtl.c (free_bb_for_insn): Ditto.
8392 * passes.c (execute_one_pass): Run additional
8393 todos returned by execute function.
8394 * tree-pass.h (struct tree_opt_pass): Make execute
8397 2006-03-02 Richard Guenther <rguenther@suse.de>
8399 * tree-ssa-alias.c (find_used_portions): Consider taking
8400 the address as making the variable not write-only.
8402 2006-03-02 Nick Clifton <nickc@redhat.com>
8404 * config.gcc (default_use_cxa_atexit): Extend the description of
8405 this configure variable. Set its default value to "yes" for
8406 Linux, NetBSD and ELF targets on the assumption that they will
8407 use C libraries with the __cxa_atexit function.
8409 2006-03-02 Ben Elliston <bje@au.ibm.com>
8411 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8412 parameter as unused to suppress a build warning.
8414 2006-03-02 Ben Elliston <bje@au.ibm.com>
8416 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8419 2006-03-01 Roger Sayle <roger@eyesopen.com>
8422 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8423 declared name, the weak reference name, and the typeof name.
8424 (__gthrw): Avoid expanding the declared name suffix.
8425 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8427 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8429 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8431 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8432 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8433 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8434 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8435 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8436 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8437 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8438 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8439 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8440 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8441 (DW_END_default, DW_END_big, DW_END_little): New.
8442 (DW_END_lo_user, DW_END_hi_user): Define.
8443 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8444 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8445 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8448 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8450 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8452 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8454 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8456 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8458 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8459 to 'symbol_mem_tag'.
8461 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8464 2006-03-01 Roger Sayle <roger@eyesopen.com>
8466 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8468 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8471 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8472 MACHO_DYNAMIC_NO_PIC_P.
8473 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8475 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8478 * config/darwin-protos.h (darwin_asm_output_anchor):
8480 * config/darwin-sections.def (cstring_section):
8481 Add SECTION_MERGE to the flags.
8482 (literal4_section): Likewise.
8483 (literal8_section): Likewise.
8484 (objc_selector_refs_section): Likewise.
8485 (objc_cls_refs_section): Likewise.
8486 * config/darwin.c (darwin_asm_output_anchor): New
8488 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8490 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8492 Fix PR tree-optimization/26443
8493 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8494 to todo and PROP_tmt_usage to properties_destroyed.
8495 * tree-ssa-ccp.c (pass_ccp): Ditto.
8496 (pass_store_ccp): Ditto.
8497 * tree-ssa-dom.c (pass_dominator): Ditto.
8499 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8501 * tree-ssa-operands.c: Cleanup whitespace.
8502 (get_asm_expr_operands): Move before first invocation.
8503 (get_indirect_ref_operands): Likewise.
8504 (get_tmr_operands): Likewise.
8505 (get_call_expr_operands): Likewise.
8506 (append_def): Likewise.
8507 (append_use): Likewise.
8508 (append_v_may_def): Likewise.
8509 (append_v_must_def): Likewise.
8510 (add_call_clobber_ops): Likewise.
8511 (add_call_read_ops): Likewise.
8512 (add_stmt_operand): Likewise.
8513 (add_virtual_operand): Likewise.
8514 (build_ssa_operands): Likewise.
8516 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8521 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8522 with a call expr to ...
8523 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8525 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8527 * tree-vrp.c (extract_range_from_assert): Remove special
8528 handling for types with super-types.
8530 2006-03-01 Ben Elliston <bje@au.ibm.com>
8532 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8533 and powerpc64-*-linux* configurations.
8534 * config/t-dfprules: New file.
8536 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8537 Compile dfp-bit.c from the source directory using -DWIDTH and
8538 $DFP_CFLAGS to control the compilation of that file, rather than
8539 generating width-specific versions in the build directory.
8540 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8541 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8543 2006-02-28 Zack Weinberg <zackw@panix.com>
8545 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8548 2006-02-28 Eric Christopher <echristo@apple.com>
8550 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8551 Set up IN_LIBGCC definition of TARGET_64BIT.
8552 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8554 2006-02-28 Roger Sayle <roger@eyesopen.com>
8557 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8558 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8559 cases via the construction of "expr != 0".
8561 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8563 * alias.c (alias_invariant, alias_invariant_size): Remove.
8564 (record_base_value): Remove.
8565 (memrefs_conflict_p): Don't look at alias_invariant.
8566 (end_alias_analysis): Don't free it.
8567 * alias.h (record_base_value): Remove prototype.
8569 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8570 Adam Nemet <anemet@caviumnetworks.com>
8572 * rtl.h (truncated_to_mode): Declare it.
8573 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8574 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8575 (RTL_HOOKS_INITIALIZER): Include it.
8576 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8577 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8578 reg_truncated_to_mode.
8579 * rtlanal.c (truncated_to_mode): Define it.
8580 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8582 2006-02-28 Jeff Law <law@redhat.com>
8584 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8585 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8586 the range allowed by TYPE_PRECISION.
8588 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8590 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8592 PR tree-optimization/26419
8593 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8596 2006-02-27 Zack Weinberg <zackw@panix.com>
8598 * doc/md.texi: Fix typo in previous change.
8600 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8604 2006-02-27 Zack Weinberg <zackw@panix.com>
8606 * rtl.def (define_constraint, define_register_constraint)
8607 (define_memory_constraint, define_address_constraint): New MD forms.
8608 * gensupport.c (process_rtx): Put define_constraint etc on the
8610 * genpreds.c (process_define_predicate): Adjust comment. Validate
8611 the name, and call validate_exp to validate the expression.
8612 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8613 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8614 all callers changed.
8615 (validate_exp, needs_variable, struct constraint_data)
8616 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8617 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8618 (const_dbl_constraints, constraint_max_namelen)
8619 (have_register_constraints, have_memory_constraints)
8620 (have_address_constraints, have_address_constraints)
8621 (have_extra_constraints, have_const_int_constraints)
8622 (have_const_dbl_constraints, mangle, add_constraint)
8623 (process_define_constraint, process_define_register_constraint)
8624 (write_enum_constraint_num, write_lookup_constraint)
8625 (write_insn_constraint_len, write_regclass_for_constraint)
8626 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8627 (write_insn_extra_memory_constraint)
8628 (write_insn_extra_address_constraint)
8629 (write_satisfies_constraint_fns): New.
8630 (write_tm_preds_h): If we have new-style constraint definitions,
8631 prototype the functions generated from them, and define the
8632 old constraint interface (still used by generic code) in terms of
8634 (write_insn_preds_c): If we have new-style constraint definitions,
8635 generate all relevant functions from those definitions.
8636 (main): Handle define_constraint etc.
8637 * genoutput.c (struct constraint_data, indep_constraints)
8638 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8639 (mdep_constraint_len): New data structures and functions, defined
8640 #ifdef USE_MD_CONSTRAINTS.
8641 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8642 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8643 use new logic to validate operand constraints against constraint
8645 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8647 * defaults.h: If none of the old-style constraint macros are
8648 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8649 old-style macros; and poison REG_CLASS_FROM_LETTER,
8650 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8652 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8653 * doc/md.texi: Document new constraint-definition mechanism and the
8654 C interface it provides. Remove references to old mechanism
8655 elsewhere in the document.
8656 (Machine Constraints): Use pathnames relative to gcc directory,
8657 i.e. config/ARCH/FILE. Change i386 section to refer to
8658 config/i386/predicates.md; update that section to match docstrings.
8659 * doc/tm.texi: Move all documentation of the old constraint-
8660 definition macros to their own section, clearly mark as obsolete.
8662 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8663 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8665 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8666 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8667 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8669 (splits and peepholes): Use satisfies_constraint_*.
8670 * config/i386/i386.c (memory_address_length)
8671 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8673 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8675 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8676 scalar operation to be put back into the loop.
8678 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8681 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8682 (extract_cie_info): Handle S flag in augmentation string.
8683 (execute_cfa_program): If context->signal_frame, execute also
8684 fs->pc == context->ra instructions.
8685 (uw_frame_state_for): If context->signal_frame, don't subtract one
8686 from context->ra to find FDE.
8687 (uw_update_context_1): Set context->signal_frame to
8689 (_Unwind_GetIPInfo): New function.
8690 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8691 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8693 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8694 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8695 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8696 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8697 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8698 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8699 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8700 x86_64_fallback_frame_state): Set fs->signal_frame.
8701 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8702 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8703 (frob_update_context): Likewise. Workaround missing S flag in
8704 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8705 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8706 Remove the psw_addr + 1 hack.
8708 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8710 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8711 with aggregates here.
8712 (find_func_aliases): Remove code for &<aggregate> from here.
8714 2006-02-26 Roger Sayle <roger@eyesopen.com>
8716 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8717 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8718 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8721 2006-02-26 Roger Sayle <roger@eyesopen.com>
8724 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8726 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8728 * opts.c (decode_options): Do not handle flag_strength_reduce.
8729 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8730 and OPT_fstrength_reduce.
8731 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8732 flag_prefetch_loop_arrays for being nonzero.
8733 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8735 (fprefetch-loop-arrays-rtl): Removed.
8736 (flag_prefetch_loop_arrays): Do not specify the value.
8738 * doc/passes.texi: Update documentation of loop optimizer
8740 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8741 -frerun-loop-opt): Remove.
8743 2006-02-26 Richard Guenther <rguenther@suse.de>
8745 PR tree-optimization/26421
8746 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8747 in function calls that are ADDR_EXPRs as using the whole structure.
8749 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8751 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8752 * tree-pass.h (pass_loop_optimize): Remove.
8753 * passes.c (pass_loop_optimize): Never run it.
8754 * toplev.c (backend_init): Don't call init_loop.
8755 * opts.c (flag_loop_optimize_set): Remove.
8756 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8757 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8758 the old RTL loop optimizer when profiling enabled.
8759 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8760 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8761 pre-headers for the sake of the old RTL loop optimizer.
8762 * Makefile.in: Remove all references to loop.o.
8764 * doc/invoke.texi: Remove all references to -floop-optimize
8765 and -frerun-loop-opt.
8767 2006-02-26 Zack Weinberg <zackw@panix.com>
8769 * doc/md.texi (Machine Constraints): Refer to all files with paths
8770 relative to gcc directory (i.e. config/CPU/file). Add missing
8771 @table @code ... @end table to M32C subsection.
8773 2006-02-26 Roger Sayle <roger@eyesopen.com>
8775 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8777 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8779 2006-02-26 Roger Sayle <roger@eyesopen.com>
8780 James A. Morrison <phython@gcc.gnu.org>
8783 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8784 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8785 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8786 signedness of the shift operation.
8788 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8790 PR tree-optimization/26359
8791 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8793 2006-02-25 Roger Sayle <roger@eyesopen.com>
8795 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8796 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8797 as X == 0, and some symmetry related transformations.
8798 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8800 2006-02-25 Roger Sayle <roger@eyesopen.com>
8803 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8804 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8805 symmetry related transformations. Fold (X^C1) == C2 as
8808 2006-02-25 Juergen Weigert <jw@suse.de>
8809 Richard Guenther <rguenther@suse.de>
8811 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8813 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8815 * combine.c (gen_lowpart_or_truncate): Call
8816 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8818 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8820 * doc/invoke.texi: Move -fopenmp description to "Options for
8822 Remove reference to -lgomp.
8824 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8826 * doc/install.texi: Require GNU tar version 1.14.
8828 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8830 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8831 * doc/invoke.texi (C++ Dialect Options): Document
8832 -fno-use-cxa-get-exception-ptr.
8833 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8834 * configure: Regenerate.
8835 * c.opt (fuse-cxa-get-exception-ptr): New.
8836 * c-opts.c (c_common_handle_option): Handle
8837 OPT_fuse_cxa_get_exception_ptr.
8838 * c-common.c (flag_use_cxa_atexit): Update documentation.
8839 (flag_use_cxa_get_exception_ptr): New.
8840 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8841 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8843 (C_COMMON_OVERRIDE_OPTIONS): New.
8845 2006-02-24 Roger Sayle <roger@eyesopen.com>
8848 * combine.c (try_combine): Explicitly check whether GET_CODE is
8849 a SET or a CLOBBER, instead on checking that it isn't a USE.
8851 2006-02-24 Roger Sayle <roger@eyesopen.com>
8853 * fold-const.c (fold_comparison): New subroutine of fold_binary
8854 containing transformations common to both the equality and
8855 ordering relational operators, factored out of fold_binary.
8856 (fold_binary): Separate out the equality operators (EQ_EXPR
8857 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8858 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8859 transformations common to both.
8860 (fold_div_compare): Fix latent bugs in the previously unreachable
8861 LT_EXPR and GE_EXPR cases.
8863 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8865 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8866 decl libname for clog to __clog on AIX.
8868 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8870 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8873 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8874 output traceback table for thunks. Localise rs6000_stack_info call.
8876 2006-02-23 Roger Sayle <roger@eyesopen.com>
8877 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8879 * gthr-posix.h (__gthrw): Fix typo in comment.
8881 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8883 * doc/cpp.texi (Character sets): Document that we do support
8884 input files to be in any character set.
8886 2006-02-23 Jeff Law <law@redhat.com>
8888 * tree.h (PHI_ARG_NONZERO): Remove.
8889 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8890 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8891 node to the new node.
8893 PR tree-optimization/26425
8894 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8895 min/max, then assume its varying.
8897 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8899 PR rtl-optimization/26316
8900 * rtlanal.c (enum may_trap_p_flags): New.
8901 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8902 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8903 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8904 (may_trap_after_code_motion_p): New function.
8905 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8906 (find_invariant_insn): Use may_trap_after_code_motion_p.
8907 * rtl.h (may_trap_after_code_motion_p): Declare.
8909 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8911 * emit-rtl.c (immed_double_const): Cleanup.
8913 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8915 Fix PR tree-optimization/26376
8916 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8919 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8922 * gimplify.c (omp_add_variable): Guard variable size decl test with
8923 DECL_SIZE (decl) check.
8925 2006-02-23 Richard Guenther <rguenther@suse.de>
8928 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8929 like aggregate types.
8931 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8933 * configure.ac: Add --with{,out}-long-double-128 configure option.
8934 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8935 * configure: Rebuilt.
8936 * config.in: Rebuilt.
8937 * doc/install.texi (Options specification): Document
8938 --with-long-double-128.
8940 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8941 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8942 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8943 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8945 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8947 * config/s390/s390.c (override_options): Handle
8948 TARGET_DEFAULT_LONG_DOUBLE_128.
8950 * config/alpha/alpha.c (override_options): Handle
8951 TARGET_DEFAULT_LONG_DOUBLE_128.
8953 * config/sparc/sparc.c (sparc_override_options): Handle
8954 TARGET_DEFAULT_LONG_DOUBLE_128.
8956 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8958 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8959 (real-install-headers-tar, real-install-headers-cpio)
8960 (real-install-headers-cp): New targets.
8962 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8964 * tree.h (variable_section): Delete.
8965 * varasm.c (variable_section): Delete.
8967 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8969 * install.texi: Add notes on install.texi2html.
8970 (Building in parallel): Do not use footnotes.
8972 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8975 * doc/install.texi (Configuration): Document --disable-libgomp.
8977 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8979 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8981 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8983 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8984 (vec_extractv2df_0_sse): New.
8986 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8988 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8989 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8990 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8991 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8992 to the result of the expression.
8993 (def_cfa_1): Adjust.
8994 (frame_pointer_cfa_offset): Rename to...
8995 (frame_pointer_fb_offset): ... this. Adjust all uses.
8996 (convert_cfa_to_loc_list): Rename to...
8997 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8998 Pass it on to build_cfa_loc.
8999 (compute_frame_pointer_to_cfa_displacement): Rename to...
9000 (compute_frame_pointer_to_fb_displacement): ... this. New
9001 offset parameter. Use it in computation.
9002 (gen_subprogram_die): Compute cfa_fb_offset with the new
9003 macro, and use it to compute the fb loc list and the
9006 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9008 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9009 replaced with register_operand.
9010 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9011 non-DREG is expensive.
9012 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9013 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9016 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9018 * doc/install.texi2html: Use set -e.
9020 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9022 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9023 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9024 * doc/invoke.texi (-fshared-data): Delete.
9025 * common.opt (fshared-data): Delete.
9026 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9027 (assemble_static_space): Remove #if 0 code.
9028 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9029 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9030 * config/cris/cris.h: Remove FIXME.
9032 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9034 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9037 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9040 * combine.c (simplify_shift_const_1): Disable nested shifts
9041 optimization for vector shifts.
9043 2006-02-20 Roger Sayle <roger@eyesopen.com>
9045 PR tree-optimization/26361
9046 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9047 of unsigned integer types.
9049 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9051 * tree-chrec.c (eq_evolutions_p): New.
9052 * tree-chrec.h (eq_evolutions_p): Declared.
9053 * tree-data-ref.c: Fix formatting.
9054 (datadep_stats, dependence_stats): New.
9056 (print_direction_vector): New.
9057 (dump_data_dependence_relation): Use print_direction_vector.
9058 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9059 (compute_subscript_distance): Static.
9060 (initialize_data_dependence_relation): Static. Get the number
9061 of loops surrounding the references from the callers, and initialize
9062 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9063 base_object_differ_p analyzers.
9064 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9065 compute_overlap_steps_for_affine_1_2,
9066 analyze_subscript_affine_affine): Count the classified dependences.
9067 Print a message when a test failed.
9068 (can_use_analyze_subscript_affine_affine): New.
9069 (analyze_siv_subscript): Compute the data dependences on symbolic
9070 scevs that verify can_use_analyze_subscript_affine_affine.
9071 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9072 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9073 Handle symbolic scevs.
9074 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9076 (subscript_dependence_tester): Moved...
9077 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9078 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9079 DDR_SIZE_VECT instead of getting it in parameter.
9080 (subscript_dependence_tester): ... here. Take as a parameter
9081 loop_nest_depth. Call build_classic_dist_vector and
9082 build_classic_dir_vector.
9083 (compute_affine_dependence): Update subscript_dependence_tester
9084 parameters. Update datadep_stats counters. Call
9085 compute_subscript_distance.
9086 (compute_self_dependence): Save the dist and dir vectors. Call
9087 compute_subscript_distance.
9088 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9089 (compute_all_dependences): Reorder parameters as they were before
9090 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9091 compute_subscript_distance. Update the use of
9092 compute_affine_dependence and initialize_data_dependence_relation.
9093 (find_data_references_in_loop): Handle COMPONENT_REF.
9094 (compute_data_dependences_for_loop): Initialize dependence_stats.
9095 Don't call build_classic_dist_vector and build_classic_dir_vector.
9096 Update the parameters of initialize_data_dependence_relation and
9097 compute_all_dependences. Print the statistics from datadep_stats.
9098 (analyze_all_data_dependences): Static. Not used until the pass for
9099 checking the data dependences is contributed.
9100 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9101 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9102 (initialize_data_dependence_relation, compute_affine_dependence,
9103 analyze_all_data_dependences, compute_subscript_distance): Removed.
9104 (print_direction_vector): New.
9105 * lambda.h (gcd): ... here.
9106 (lambda_vector_gcd): Moved here from gcd_vector.
9107 * lambda-code.c (gcd, gcd_vector): Removed.
9108 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9109 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9111 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9113 * ipa-type-escape.c: Tidy some comments and white space.
9114 * tree-ssa-operands.c: Likewise.
9116 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9119 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9120 (dump_decl_name): Do not walk the decl tree chains.
9121 * tree-pass.h (TDF_CHAIN): Remove.
9123 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9125 * Makefile.in (C): Remove
9127 (.PHONY): Remove C and PROTO
9129 2006-02-20 Roger Sayle <roger@eyesopen.com>
9132 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9133 deprecated CHAR_TYPE tree code.
9135 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9137 * configure.ac (target_list): Add install-info, dvi, html.
9138 * configure: Regenerate.
9140 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9141 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9142 treelang/Make-lang.in: Do not use double-colon rules.
9144 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9146 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9147 (TMT_USED_ALONE): New macro.
9148 * tree-pass.h (PROP_tmt_usage): New property.
9149 (TODO_update_tmt_usage): New todo.
9150 * tree-ssa-alias.c (updating_used_alone): New variable.
9151 (recalculate_used_alone): New function.
9152 (compute_may_aliases): Set updating_used_alone, call
9153 recalculate_used_alone.
9154 * tree-sra.c (pass_sra): Note that this pass destroys
9155 PROP_tmt_usage, and add TODO_update_tmt_usage.
9156 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9157 * tree-flow.h (updating_used_alone): Prototype.
9158 (recalculate_used_alone): Ditto.
9159 * passes.c (execute_todo): Add code to set updating_used_alone,
9160 and call recalculate.
9161 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9162 for clobber if used alone, and add assert to verify used_alone
9165 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9167 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9168 for non tls symbols added.
9169 (legitimize_address): Do nothing for PLUS expressions if one of the
9170 addends is a tls symbol reference.
9172 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9176 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9178 * Makefile.in (BOOTSTRAPPING): New.
9179 (quickstrap): New definition if BOOTSTRAPPING=yes.
9181 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9182 * configure.ac: Substitute all_selected_languages with the languages
9183 that were configured. For all the other variables except
9184 lang_specs_files, include all the languages in the tree.
9185 * configure: Regenerate.
9187 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9188 if there is one. Run the commands to run fixincludes in the same
9191 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9192 * doc/install.texi: Document exact conventions for searching target tools.
9193 Document --with-build-time-tools. Document toplevel bootstrap. Document
9194 something more about building an Ada cross-compiler. Don't list GNU Make
9195 requirements which affect all platforms.
9197 2006-02-19 Roger Sayle <roger@eyesopen.com>
9200 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9201 only equivalent if the have both the same mode and precision.
9203 2006-02-20 Ben Elliston <bje@au.ibm.com>
9205 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9207 2006-02-19 Roger Sayle <roger@eyesopen.com>
9208 Steven Bosscher <stevenb.gcc@gmail.com>
9210 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9211 constant pool references to identify stack mode constants.
9212 * rtlanal.c (constant_pool_constant_p): New predicate to check
9213 whether operand is a floating point constant in the pool.
9214 * rtl.h (constant_pool_constant_p): Prototype here.
9215 * loop.c (scan_loop): Avoid hoisting constants from the constant
9216 pool on STACK_REGS targets.
9217 (load_mems): Likewise.
9218 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9219 loads into x87 registers expensive in terms of register pressure.
9221 2006-02-19 Roger Sayle <roger@eyesopen.com>
9223 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9224 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9226 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9228 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9229 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9231 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9233 * doc/invoke.texi: Document -fipa-pta.
9234 * common.opt: Add ipa-pta option.
9235 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9236 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9237 (do_ds_constraint): Ditto.
9238 (get_constraint_for): Only add to referenced_vars if
9239 referenced_vars exists.
9240 (insert_into_field_list): Rewrite to do this unsorted.
9241 (insert_into_field_list_sorted): Rename old insert_into_field_list
9243 (create_function_info_for): Use insert_into_field_list_sorted.
9244 (create_variable_info_for): Rewrite so it uses unsorted version,
9245 since the field list is sorted.
9246 (intra_create_variable_infos): Only add to referenced_vars if
9247 referenced_vars exists.
9248 (ipa_pta_execute): Init heapvars, and delete when done.
9249 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9251 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9253 * doc/install.texi: Add missing `@samp'.
9255 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9257 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9260 2006-02-18 Mark Wielaard <mark@klomp.org>
9262 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9263 who added new 4.1 features, bug fixes and integration support.
9265 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9268 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9271 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9273 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9274 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9275 (copy_insn_1): Likewise. Don't copy each field individually.
9277 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9279 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9280 * rtl.c (rtx_size): Rename variable to...
9281 (rtx_code_size): ...this.
9282 (rtx_size): New function.
9283 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9284 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9286 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9287 * rtl.h (rtx_code_size): New variable.
9288 (rtx_size): Change from a variable to a function.
9289 (RTX_SIZE): Rename to...
9290 (RTX_CODE_SIZE): ...this.
9293 PR tree-optimization/17106
9294 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9295 (Anchored Addresses): New section.
9296 * doc/invoke.texi (-fsection-anchors): Document.
9297 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9298 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9299 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9300 * hooks.c (hook_bool_mode_rtx_false): New function.
9301 * hooks.h (hook_bool_mode_rtx_false): Declare.
9302 * gengtype.c (create_optional_field): New function.
9303 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9304 SYMBOL_REF_IN_BLOCK_P is true.
9305 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9306 (min_anchor_offset, max_anchor_offset): Likewise.
9307 (use_anchors_for_symbol_p): New hook.
9308 * toplev.c (compile_file): Call output_object_blocks.
9309 (target_supports_section_anchors_p): New function.
9310 (process_options): Check that -fsection-anchors is only used on
9311 targets that support it and when -funit-at-a-time is in effect.
9312 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9313 if the decl doesn't have one.
9314 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9315 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9316 of force_const_mem through use_anchored_address.
9317 (expand_expr_constant): New function.
9318 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9319 calling expand_expr for INDIRECT_REF.
9320 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9321 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9322 * expr.h (use_anchored_address): Declare.
9323 * loop-unroll.c: Don't declare rtx vectors here.
9324 * explow.c: Include output.h.
9325 (validize_mem): Call use_anchored_address.
9326 (use_anchored_address): New function.
9327 * common.opt (-fsection-anchors): New switch.
9328 * varasm.c (object_block_htab, anchor_labelno): New variables.
9329 (hash_section, object_block_entry_eq, object_block_entry_hash)
9330 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9331 (use_blocks_for_decl_p, change_symbol_section): New functions.
9332 (get_variable_section): New function, split out from assemble_variable.
9333 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9334 use_blocks_for_decl_p say so. Use change_symbol_section if the
9335 symbol has already been created.
9336 (assemble_variable_contents): New function, split out from...
9337 (assemble_variable): ...here. Don't output any code for
9338 block symbols; just pass them to place_block_symbol.
9339 Use get_variable_section and assemble_variable_contents.
9340 (get_constant_alignment, get_constant_section, get_constant_size): New
9341 functions, split from output_constant_def_contents.
9342 (build_constant_desc): Create a block symbol if use_object_blocks_p
9343 says so. Or into SYMBOL_REF_FLAGS.
9344 (assemble_constant_contents): New function, split from...
9345 (output_constant_def_contents): ...here. Don't output any code
9346 for block symbols; just pass them to place_section_symbol.
9347 Use get_constant_section and get_constant_alignment.
9348 (force_const_mem): Create a block symbol if use_object_blocks_p and
9349 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9350 (output_constant_pool_1): Add an explicit alignment argument.
9351 Don't switch sections here.
9352 (output_constant_pool): Adjust call to output_constant_pool_1.
9353 Switch sections here instead. Don't output anything for block symbols;
9354 just pass them to place_block_symbol.
9355 (init_varasm_once): Initialize object_block_htab.
9356 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9357 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9358 (place_block_symbol, get_section_anchor, output_object_block)
9359 (output_object_block_htab, output_object_blocks): New functions.
9360 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9361 (TARGET_ASM_OUT): Include it.
9362 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9363 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9364 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9365 (TARGET_INITIALIZER): Include them.
9366 * rtl.c (rtl_check_failed_block_symbol): New function.
9367 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9368 (block_symbol, object_block): New structures.
9369 (rtx_def): Add a block_symbol field to the union.
9370 (BLOCK_SYMBOL_CHECK): New macro.
9371 (rtl_check_failed_block_symbol): Declare.
9372 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9373 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9374 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9375 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9376 * output.h (output_section_symbols): Declare.
9377 (object_block): Name structure.
9378 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9379 (default_use_anchors_for_symbol_p): Declare.
9380 * Makefile.in (RTL_BASE_H): Add vec.h.
9381 (explow.o): Depend on output.h.
9382 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9383 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9384 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9385 (rs6000_use_blocks_for_constant_p): New function.
9387 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9389 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9391 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9394 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9397 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9399 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9403 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9406 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9407 instead of DECL_REGISTER.
9409 2006-02-18 Olivier Hainque <hainque@adacore.com>
9412 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9414 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9417 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9418 * opth-gen.awk: Handle Var and InverseMask together.
9419 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9420 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9421 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9422 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9424 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9425 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9426 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9427 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9428 LINUX_DYNAMIC_LINKER): Define.
9429 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9430 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9432 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9433 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9434 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9435 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9436 (TARGET_C99_FUNCTIONS): Don't define.
9437 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9438 GLIBC_DYNAMIC_LINKER.
9439 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9440 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9441 GLIBC_DYNAMIC_LINKER64): Define.
9442 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9443 LINUX_DYNAMIC_LINKER64.
9444 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9445 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9446 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9447 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9448 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9449 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9450 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9451 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9452 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9453 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9454 and LINUX_DYNAMIC_LINKER32.
9455 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9456 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9457 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9458 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9459 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9461 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9462 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9463 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9464 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9465 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9466 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9467 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9468 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9469 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9470 LINUX_DYNAMIC_LINKER): Define.
9471 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9472 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9473 GLIBC_DYNAMIC_LINKER64): Define.
9474 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9475 LINUX_DYNAMIC_LINKER64.
9476 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9477 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9478 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9479 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9480 LINUX_DYNAMIC_LINKER): Define.
9481 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9482 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9483 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9484 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9485 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9486 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9487 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9488 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9489 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9490 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9491 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9492 * doc/invoke.texi (-muclibc): Remove caveat about supported
9495 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9497 * doc/cpp.texi (__TIMESTAMP__): Document.
9499 2006-02-17 Roger Sayle <roger@eyesopen.com>
9502 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9503 C is one less than the width of X (and related transformations).
9504 * simplify-rtx.c (simplify_unary_operation_1): Transform
9505 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9506 depending on STORE_FLAG_VALUE, were C is one less then the
9509 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9511 Fix PR tree-optimization/26341
9512 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9513 about NAME_MEMORY_TAG's.
9515 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9518 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9519 with hardware float support, and software float support. Add fcpy
9520 alternative to hardware patterns. Add alternatives to copy between
9521 general and floating-point registers to the 32-bit pattern.
9522 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9523 secondary reload to load a QI or HI mode constant into a floating
9525 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9526 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9528 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9531 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9533 (load_macho_picbase_di): Likewise.
9535 2006-02-16 Jeff Law <law@redhat.com>
9537 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9538 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9539 (ssa_name_nonzero_p): Likewise.
9540 (get_value_range): Return NULL if VRP is not running.
9541 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9542 VRP routines do not discover a range.
9543 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9544 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9545 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9546 (tree_expr_nonnegative_p): Similarly.
9547 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9548 (restore_nonzero_vars_to_original_value): Remove.
9549 (unsafe_associative_fp_binop): Remove.
9550 (tree_ssa_dominator_optimize): Remove initialization and
9551 finalization of nonzero_vars and nonzero_vars_stack.
9552 (dom_opt_initialize_block): No longer push marker on
9554 (dom_opt_finalize_block): No longer call
9555 restore_nonzero_vars_to_original_value.
9556 (record_equivalences_from_phis): No longer look for
9557 nonzero PHI arguments.
9558 (cprop_into_successor_phis): No longer propagate nonzero
9559 property into PHI arguments. Lose unused argument. Caller
9561 (record_equivalences_from_stmt): No longer record nonzero
9562 values for SSA_NAMEs.
9563 (lookup_avail_expr): No longer use nonzero_vars.
9565 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9566 for sizetype when sizetype is unsigned.
9568 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9570 PR rtl-optimization/25603
9571 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9572 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9573 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9574 with new meaning of SETS.
9576 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9581 * config/linux.opt: New file.
9582 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9583 LINUX_DYNAMIC_LINKER): Define.
9584 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9585 * config.gcc (*-*-linux*): Define extra_options.
9586 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9587 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9588 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9589 GLIBC_DYNAMIC_LINKER.
9590 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9591 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9592 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9593 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9594 * doc/invoke.texi (GNU/Linux Options): New section.
9596 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9598 * config/sparc/sparc.md (setjmp): Rewrite.
9599 (setjmp_32): Delete.
9600 (setjmp_64): Likewise.
9602 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9604 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9607 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9609 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9612 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9614 PR rtl-optimization/26296
9615 * Makefile.in (loop-invariant.c): Add except.h dependency.
9616 * loop-invariant.c: Include except.h.
9617 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9619 2005-02-16 Paul Brook <paul@codesourcery.com>
9621 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9624 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9626 PR rtl-optimization/25636
9627 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9628 when deciding whether an insn is an initializing insn.
9630 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9632 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9633 (tree_code_size): Ditto.
9634 * tree.h (struct tree_memory_tag): Remove parent_var.
9635 (struct tree_struct_field_tag): New.
9638 (union tree_node): Add sft member.
9639 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9641 (create_sft): Add size and offset argument, set SFT_OFFSET and
9643 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9644 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9645 * tree-flow-inline.h (get_subvar_at): Update for
9646 SFT_OFFSET/SFT_SIZE.
9647 (var_can_have_subvars): Ditto.
9648 (overlap_subvar): Ditto.
9649 * print-tree.c (print_node): Print out interesting things for
9651 * tree-flow.h (struct subvar): Remove offset and size members.
9652 * tree-ssa-operands.c (get_expr_operands): Update for
9653 get_indirect_ref_operands changes.
9654 (get_indirect_ref_operands): Call add_virtual_operand instead of
9655 add_stmt_operand. Only recurse on base var if requested.
9656 (access_can_touch_variable): New function.
9657 (add_stmt_operand): Split virtual operand handling into ...
9658 (add_virtual_operand): Here. Add offset, size, and for_clobber
9659 arguments. Prune alias sets.
9660 (add_call_clobber_ops): Call add_virtual_operand.
9662 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9665 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9667 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9668 than TREE_CODE as index into omp_clause_num_ops array.
9670 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9672 PR rtl-optimization/26184
9673 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9675 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9676 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9677 must_precede, must_follow and tobe_scheduled.
9680 * opts.c (common_handle_option): Free new_option pointer.
9681 * df-core.c (df_analyze): Free postorder pointer.
9683 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9685 * Makefile.in: Fix the examples about the use of stamps
9687 2006-02-15 Michael Matz <matz@suse.de>
9691 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9692 influenced by maximum_field_alignment or DECL_PACKED.
9693 (update_alignment_for_field): Ditto.
9694 (place_field): Ditto.
9695 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9698 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9700 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9701 (debug_flow_info): Pass it.
9702 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9703 * bb-reorder.c (reorder_basic_blocks): Likewise.
9704 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9705 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9706 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9707 * gcse.c (gcse_main, bypass_jumps): Likewise.
9708 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9709 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9710 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9711 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9712 * rtl.h (dump_flow_info): Adjust prototype.
9713 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9714 * var-tracking.c (variable_tracking_main): Likewise.
9715 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9716 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9719 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9721 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9724 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9726 PR tree-optimization/26209
9727 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9728 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9730 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9732 2006-02-14 Roger Sayle <roger@eyesopen.com>
9735 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9736 (X,Y) and the corresponding symmetry related transformations.
9737 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9738 (X,Y) and its symmetry related transformations.
9740 2006-02-14 Roger Sayle <roger@eyesopen.com>
9742 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9745 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9747 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9749 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9752 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9753 support COMDAT group.
9754 * configure: Regenerate.
9756 2006-02-14 Roger Sayle <roger@eyesopen.com>
9761 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9763 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9765 Fix PR tree-optimization/26260
9767 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9769 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9770 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9771 * tree-ssa-structalias.c (create_variable_info_for): Use
9772 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9774 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9776 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9778 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9779 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9780 of the ending condition.
9781 * tree-ssa-loop-manip.c: Include params.h.
9782 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9783 tree_unroll_loop): New functions.
9784 * tree-pass.h (pass_loop_prefetch): Declare.
9785 * loop.c (rest_of_handle_loop_optimize): Test for
9786 -fprefetch-loop-arrays-rtl.
9787 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9788 * timevar.def (TV_TREE_PREFETCH): New timevar.
9789 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9790 pass_loop_prefetch): New.
9791 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9792 (cleanup_tree_cfg_loop): Call scev_reset.
9793 * common.opt (fprefetch-loop-arrays-rtl): Add.
9794 * tree-ssa-loop-prefetch.c: New file.
9795 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9796 (new_temp_expr_table): Initialize expr_vars.
9797 (free_temp_expr_table): Cleanup expr_vars.
9798 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9799 expressions from being merged into one.
9800 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9801 (struct tree_niter_desc): Add control, bound and cmp fields.
9802 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9804 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9805 (tree-cfgcleanup.o): Add SCEV_H dependency.
9806 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9807 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9809 2006-02-14 Richard Guenther <rguenther@suse.de>
9811 PR tree-optimization/26258
9812 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9813 in PHI argument processing.
9815 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9817 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9818 new expression in the requested machine mode.
9820 2006-02-13 Roger Sayle <roger@eyesopen.com>
9822 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9823 directly, instead let do_compare_rtx_and_jump handle this for us.
9824 * expr.c (expand_expr_real_1): Likewise.
9825 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9826 before do_jump_by_parts_greater.
9827 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9828 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9830 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9832 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9834 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9836 PR rtl-optimization/26235
9837 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9838 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9841 2006-02-13 Jeff Law <law@redhat.com>
9843 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9846 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9849 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9850 twice if decl is a builtin. When trying again, call get_callee_fndecl
9851 first to verify it is still a builtin.
9853 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9855 * dwarf2out.c (base_type_die): Don't add AT_name here.
9856 (subrange_type_die): Don't add AT_name here.
9857 (modified_type_die): Rearrange code flow. Do add AT_name here.
9859 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9861 PR rtl-optimization/26247
9862 PR rtl-optimization/26248
9863 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9865 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9867 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9868 * config/fixtfdi.c: Likewise.
9869 * config/fixunstfdi.c: Likewise.
9870 * config/floatditf.c: Likewise.
9872 2006-02-13 Roger Sayle <roger@eyesopen.com>
9875 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9876 into (X,C2) if C1 is a subset of the bits of C2. Transform
9877 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9879 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9881 2006-02-13 Josh Conner <jconner@apple.com>
9884 * varasm.c (function_section): Check for section name before
9885 calling select_section on targets that define
9886 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9887 unlikely_text_section instead of hot_function_section if
9888 first_function_block_is_cold.
9890 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9893 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9895 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9897 PR rtl-optimization/26222
9898 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9899 after tree->rtl expansion.
9900 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9901 before passing it to emit_move_insn.
9903 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9905 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9907 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9908 Clarify documentation.
9909 * c-common.h (warn_write_strings): Remove.
9910 * c-common.c (warn_write_strings): Likewise.
9911 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9914 2006-02-12 Roger Sayle <roger@eyesopen.com>
9917 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9918 (do_jump_parts_zero_rtx): New function renamed from
9919 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9920 (do_jump_parts_equality_rtx): New function split out from
9921 do_jump_parts_equality. Old implementation renamed as above.
9922 Call do_jump_parts_zero_rtx if either operand is zero.
9923 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9924 do all of the heavy lifting.
9925 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9926 calling either do_jump_by_parts_greater_rtx or
9927 do_jump_by_parts_equality_rtx.
9928 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9929 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9930 moved to do_compare_rtx_and_jump, call it directly.
9931 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9932 mode argument. Call do_compare_rtx_and_jump.
9933 (emit_case_nodes): Update calls to do_jump_if_equal.
9935 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9937 PR rtl-optimization/26225
9938 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9940 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9942 PR rtl-optimization/26232
9943 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9945 2006-02-11 Jason Merrill <jason@redhat.com>
9948 * tree-inline.c (declare_return_variable): Just don't use the
9949 modify target if it's a gimple complex reg and the return slot
9952 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9954 * doc/contrib.texi: Update my entry.
9956 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9958 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9960 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9962 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9965 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9967 * doc/invoke.texi (-floop-optimize2): Removed.
9968 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9969 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9970 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9971 * common.opt (floop-optimize2): Removed.
9972 (fmove-loop-invariants): Enabled by default.
9974 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9976 * tree-if-conv.c (combine_blocks): Free the result of
9977 get_loop_exit_edges.
9979 2006-02-10 Jeff Law <law@redhat.com>
9981 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9983 PR tree-optimization/26213
9984 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9985 loop trying to follow SSA_NAME_VALUE chains.
9987 2006-02-10 Richard Guenther <rguenther@suse.de>
9989 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9990 deal with structures that end in implicitly variable sized arrays.
9992 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9994 PR rtl-optimization/24762
9995 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9998 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10000 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10001 (struct ivopts_data): Add regs_used field.
10002 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10003 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10004 instead of loop_data->regs_used;
10005 (free_loop_data): Do not free aux fields for loops.
10006 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10007 and tree_ssa_iv_optimize_finalize.
10009 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10011 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10013 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10016 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10017 computing the effective result type.
10019 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10021 PR inline-asm/16194
10022 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10023 (tree_overlaps_hard_reg_set): Declare.
10024 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10025 type and signature to match function type expected by walk_tree.
10026 (tree_overlaps_hard_reg_set): New function.
10027 (decl_conflicts_with_clobbers_p): Rename to:
10028 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10029 Use tree_overlaps_hard_reg_set. Changed caller.
10030 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10031 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10032 * cris.c (cris_md_asm_clobbers): Likewise.
10034 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10036 * reload1.c (emit_input_reload_insns): Delete code that tries to
10037 inherit using find_equiv_reg.
10039 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10041 * c-common.h (flag_const_strings): Don't declare.
10042 * c-common.c (flag_const_strings): Remove.
10043 * c.opt (fconst_strings): Remove.
10044 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10045 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10046 (c_common_init_options): Don't set flag_const_strings.
10047 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10049 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10051 * arm.md (tlobits_cbranch): New pattern.
10052 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10053 testing a single bit.
10055 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10058 * tree-ssa-pre.c (create_component_ref_by_pieces):
10059 Handle RETURN_DECL like VAR_DECL.
10061 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10063 PR middle-end/26134
10064 * fold-const.c (fold_indirect_ref_1): Fold
10065 "*(foo *)&complexfoo" to "__real__ complexfoo"
10066 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10068 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10070 * tree-flow-inline.h (var_can_have_subvars):
10071 Volatile variables should not have subvariables.
10073 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10076 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10077 multiplying unsigned values.
10080 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10082 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10084 2006-02-08 Jason Merrill <jason@redhat.com>
10087 * tree.def: Elaborate on difference from MODIFY_EXPR.
10088 * doc/c-tree.texi (INIT_EXPR): Likewise.
10089 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10090 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10091 (gimplify_target_expr): Likewise.
10092 (gimplify_cond_expr): Remove target handling.
10093 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10094 (gimplify_expr): Clobber it here.
10095 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10096 Do return slot optimization if we have an INIT_EXPR.
10099 * tree-inline.c (declare_return_variable): Also clear
10100 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10103 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10105 PR middle-end/22439
10106 * gimplify.c (gimplify_one_sizepos): Fix typo.
10108 2006-02-08 Jeff Law <law@redhat.com>
10110 PR tree-optimization/21417
10111 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10112 across a backedge if the control statement at the end of the
10113 block is data dependent on other statements in the same block.
10114 (record_temporary_equivalences_from_stmts): Remove over-conservative
10115 test for threading across backedges.
10117 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10118 control statement, handle all three special cases in the same
10119 manner as they all have the same desired solution. No longer
10120 special case edge flag updating when the post dominator is
10123 2006-02-08 Roger Sayle <roger@eyesopen.com>
10125 * tree.def (CHAR_TYPE): Remove.
10126 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10127 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10128 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10129 (gen_string_type_die): Delete unreachable function.
10131 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10132 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10133 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10134 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10135 * builtins.c (type_to_class): Likewise.
10136 * fold-const.c (fold_convert, build_range_check,
10137 merge_ranges): Likewise.
10138 * expr.c (count_type_elements): Likewise.
10139 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10140 * stor-layout.c (layout_type): Likewise.
10141 * ipa-type-escape.c (type_to_consider): Likewise.
10142 * gimplify.c (omp_firstprivatize_type_sizes,
10143 gimplify_type_sizes): Likewise.
10144 * explow.c (promote_mode): Likewise.
10145 * tree-sra.c (is_sra_scalar_type): Likewise.
10146 * varasm.c (output_constant): Likewise.
10147 * tree-inline.c (remap_type_1): Likewise.
10148 * convert.c (convert_to_pointer, convert_to_real,
10149 convert_to_integer, convert_to_complex): Likewise.
10151 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10153 * df-scan.c (df_def_record_1): A set destination may
10154 be a parallel regardless of mode.
10156 2006-02-08 Roger Sayle <roger@eyesopen.com>
10159 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10160 * config/mips/_tilib.c: Remove.
10161 * config/fixtfdi.c: New libgcc source file.
10162 * config/fixunstfdi.c: New source file.
10163 * config/floatditf.c: New source file.
10164 * config/floatunditf.c: New souce file.
10165 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10166 files above instead of config/mips/_tilib.c.
10167 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10169 2006-02-08 Jeff Law <law@redhat.com>
10171 PR tree-optimization/26169
10172 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10175 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10177 * df.h (DF_REG_SIZE): Return the length of the initialized
10180 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10182 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10183 __muldf3): Return a correctly signed zero.
10185 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10187 * passes.c (register_one_dump_file): Accept the current properties
10188 instead of pass number. Adjust call to dump_register. Remove
10190 (register_dump_files): Now a wrapper around...
10191 (register_dump_files_1): ... this one. Do not modify the pass
10193 (next_pass_1): Cosmetic fix.
10194 (execute_todo): Keep second parameter only. Use curr_properties
10195 instead of fetching it from the pass structure. Check and set
10197 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10198 instead of fetching it from the pass structure. Fix calls to
10199 execute_todo. Update curr_properties and initialize .vcg RTL dump
10200 after running the pass. Reset last_verified.
10201 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10203 (FIRST_AUTO_NUMBERED_DUMP): New.
10204 (dump_register): Remove "num" parameter, assign it within the
10206 (get_dump_file_name): Modify template for dumps.
10207 * tree-dump.h (dump_register): Adjust prototype.
10208 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10209 (PROP_trees): Add PROP_gimple_lomp.
10210 (TODO_set_props): New.
10211 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10212 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10213 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10215 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10217 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10218 (sparc64-*-linux*): Likewise.
10219 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10220 * config/sparc/t-linux: New file.
10221 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10222 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10223 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10224 -m32 -mlong-double-128.
10226 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10227 * config/alpha/t-linux: New file.
10228 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10230 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10231 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10232 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10233 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10234 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10235 (CPP_ARCH32_SPEC): Remove.
10237 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10239 PR tree-optimization/26145
10240 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10243 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10246 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10247 >= 240000 when generating code for SOM runtime.
10248 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10249 to $$dyncall when generating code for SOM runtime..
10251 2006-02-07 Dirk Mueller <dmueller@suse.com>
10254 * doc/invoke.texi (-Wsequence-point): Update documentation
10255 that -Wsequence-point is implemented for C++ as well.
10257 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10259 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10260 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10261 (LIB_SPEC): Likewise.
10262 * doc/invoke.texi (SPARC options): Document -pthread.
10264 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10266 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10269 2006-02-07 Roger Sayle <roger@eyesopen.com>
10271 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10272 Correct comment describing BOOLEAN_TYPE.
10274 2006-02-07 Dirk Mueller <dmueller@suse.com>
10276 * c.opt: C++ frontend supports -Wdiv-by-zero.
10277 * c-opts.c (c_common_handle_option): Remove dead case.
10279 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10281 * configure.ac (TLS assembler check): Do not enable TLS by
10282 default on SPARC/Solaris before version 10.
10283 * configure: Regenerate.
10285 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10287 * doc/invoke.texi (xl-compat): Document conversion and support
10290 2006-02-07 Jeff Law <law@redhat.com>
10292 * tree-vrp.c (find_conditional_asserts): Update comments.
10293 (simplify_stmt_for_jump_threading): New.
10294 (identify_jump_threads, finalize_jump_threads): New.
10295 (vrp_finalize): Call identify_jump_threads.
10296 (execute_vrp): Call finalize_jump_threads.
10297 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10298 (vrp_element, vrp_data, vrp_element_p): Remove.
10299 (vrp_hash_elt, vrp_variables_stack): Remove.
10300 (vrp_hash, vrp_eq, record_range): Remove.
10301 (simplify_cond_and_lookup_avail_expr): Remove.
10302 (extract_range_from_cond): Remove.
10303 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10304 (simplify_stmt_for_jump_threading): New.
10305 (dom_thread_across_edge): New wrapper.
10306 (tree_ssa_dominator_optimize): No longer initialize or
10307 finalize any of the VRP datastructures. Remove iteration
10308 step and simplify as a result of removal of iteration step.
10309 (pass_dominator): Perform a cfg cleanup after DOM.
10310 (dom_opt_finalize_block): Use the new common routines
10311 for threading jumps. Simplify stack management slightly.
10312 No longer need to unwind VRP state.
10313 (record_equivalences_from_incoming_edge): No longer record
10315 (eliminate_redundant_computations): No longer call
10316 simplify_cond_and_lookup_avail_expr.
10317 * tree-flow.h (potentially_threadable_block): Prototype.
10318 (thread_across_edge): Likewise.
10319 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10320 (tree-ssa-threadedge.o): Add dependencies.
10321 * tree-ssa-threadedge.c: New file.
10322 * passes.c (init_optimization_passes): Merge PHIs before
10323 calling VRP. Run VRP again late in the SSA optimization pipeline.
10325 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10327 * df-core.c (df_set_blocks): Do not dereference function pointers.
10328 (df_finish1): Likewise.
10329 (df_hybrid_search_forward): Likewise.
10330 (df_hybrid_search_backward): Likewise.
10331 (df_iterative_dataflow): Likewise.
10332 (df_analyze_problem): Likewise.
10333 (df_compact_blocks): Likewise.
10334 (df_dump): Likewise.
10335 * df-scan.c (df_rescan_blocks): Likewise.
10336 (df_record_entry_block_defs): Likewise.
10338 * genconditions.c (write_conditions): Guard the definition of
10339 'insn_conditions' with the check on GCC version.
10340 (write_writer): Guard the traversal 'insn_conditions' with
10341 the check on GCC version.
10343 2006-02-07 Richard Guenther <rguenther@suse.de>
10347 2006-01-30 Richard Guenther <rguenther@suse.de>
10349 * gimplify.c (gimplify_target_expr): Handle easy cases
10350 without creating a temporary.
10352 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10354 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10355 use of float in probability computations. Use edge probabilities
10356 in place of statically computed probabilities.
10357 (min_spec_prob): New static variable.
10358 (schedule_insns): Initialize it.
10359 (GET_SRC_PROB): Removed.
10360 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10362 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10365 * config/ia64/unwind-ia64.c: Revert last change.
10366 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10367 (INCOMING_FRAME_SP_OFFSET): Define.
10369 2006-02-06 Roger Sayle <roger@eyesopen.com>
10371 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10373 2006-02-07 Ben Elliston <bje@au.ibm.com>
10375 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10376 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10377 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10378 (ix86_return_in_memory): Handle TDmode.
10379 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10380 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10382 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10384 * reorg.c (dbr_schedule): Use dump_file instead of file.
10386 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10389 * config/ia64/predicates.md (extr_len_operand): New predicate.
10390 * config/ia64/ia64.md (extv): Tighten constraints.
10392 (*tbit_and_2): Ditto.
10393 (*tbit_and_3): Ditto.
10394 (*tbit_or_2): Ditto.
10395 (*tbit_or_3): Ditto.
10396 (*bit_zero): Ditto.
10399 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10402 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10404 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10406 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10407 loop_optimizer_init and loop_optimizer_finalize
10408 * tree-ssa-sink.c (execute_sink_code): Ditto.
10409 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10410 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10411 tree_ssa_loop_done): Ditto.
10412 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10413 * sched-ebb.c: Include output.h.
10414 (schedule_ebbs): Do not use dump argument.
10415 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10416 * loop.c (loop_dump_stream): Removed.
10417 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10419 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10420 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10421 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10422 loop_iterations, strength_reduce, record_biv, record_giv,
10423 final_giv_value, check_final_value, check_ext_dependent_givs,
10424 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10425 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10426 dump_file instead of loop_dump_stream.
10427 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10428 argument dump_file.
10429 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10431 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10432 * haifa-sched.c: Include output.h
10433 (schedule_insns, sched_init): Do not use dump argument.
10434 * mode-switching.c (optimize_mode_switching): Ditto.
10435 * modulo-sched.c (stats_file): Removed.
10436 (print_node_sched_params): Do not call argument dump_file.
10437 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10438 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10440 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10442 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10443 rtl_loop_init, rtl_loop_done): Ditto.
10444 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10445 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10447 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10448 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10449 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10450 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10451 * emit-rtl.c (renumber_insns): Ditto.
10452 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10453 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10454 * regclass.c (regclass): Ditto.
10455 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10456 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10457 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10458 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10460 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10461 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10463 * gcse.c (gcse_file, debug_stderr): Removed.
10464 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10465 rest_of_handle_gcse): Do not use dump argument.
10466 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10467 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10468 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10469 compute_code_hoist_vbeinout, compute_code_hoist_data,
10470 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10471 compute_store_table, build_store_vectors, insert_insn_start_bb,
10472 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10473 store_motion): Use dump_file instead of gcse_file.
10474 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10475 * profile.c (profile_dump_file): Removed.
10476 (branch_prob): Use dump_file instead of profile_dump_file.
10477 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10479 * tree-ssa-copy.c (dump_copy_of): Ditto.
10480 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10481 dump file to life_analysis.
10482 * bt-load.c (branch_target_load_optimize): Ditto.
10483 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10485 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10486 regclass, dbr_schedule): Declaration changed.
10487 * sched-int.h (sched_init): Declaration changed.
10488 * tree-profile.c (tree_profile_dump_file): Removed.
10489 (tree_profile_hooks): Removed profile_dump_file hook.
10490 * rtl-profile (rtl_profile_dump_file): Removed.
10491 (rtl_profile_hooks): emoved profile_dump_file hook.
10492 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10494 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10495 * tree-cfg.c (build_tree_cfg): Ditto.
10496 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10497 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10498 Declaration changed.
10499 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10500 life_analysis and schedule_insns.
10501 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10503 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10505 * config/mips/mips.c (mips_reorg): Ditto.
10506 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10509 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10511 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10512 (s390_mangle_fundamental_type): New.
10513 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10516 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10517 (alpha_mangle_fundamental_type): New.
10518 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10521 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10523 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10525 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10526 (sparc_mangle_fundamental_type): New.
10528 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10530 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10531 (s390x-*-linux*): Likewise.
10532 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10533 * config/s390/t-linux: New file.
10535 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10537 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10538 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10540 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10542 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10543 (ANTIC_SAFE_LOADS): New macro.
10544 (find_or_generate_expression): Add prototype.
10545 (set_contains_value): Allow null set for sake of not always having
10546 to allocate ANTIC_SAFE_LOADS.
10547 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10548 Allow COMPONENT_REF too.
10549 (valid_in_set): Allow COMPONENT_REF.
10550 Check ANTIC_SAFE_LOADS too.
10551 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10552 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10554 (can_PRE_operation): Add COMPONENT_REF.
10555 (create_component_ref_by_pieces): New function.
10556 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10557 (insert_aux): Move AGGREGATE_TYPE_P check here.
10558 (compute_avail): Set bb local stmt uids.
10559 (pass_pre): Use TODO_update_ssa_only_virtuals.
10561 2006-02-06 Ben Elliston <bje@au.ibm.com>
10563 * configure.ac: Unconditionally disable decimal float by default.
10564 * configure: Regenerate.
10566 2006-02-06 Ben Elliston <bje@au.ibm.com>
10568 * read-rtl.c (read_name): Terminate reading on EOF.
10570 2006-02-06 Ben Elliston <bje@au.ibm.com>
10572 * dfp.c (decimal_real_arithmetic): Change second argument type
10573 from int to enum tree_code. Do not always return true, but now
10574 return result of any call to decimal_do helper functions.
10575 * dfp.h (decimal_real_arithmetic): Update prototype.
10577 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10579 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10581 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10584 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10587 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10589 * tree-vrp.c (cfg_loops): Removed.
10590 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10591 Use current_loops instead of cfg_loops. Pass flags to
10592 loop_optimizer_init.
10593 * cfgloopmanip.c (fix_loop_structure): Update only available
10595 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10596 loop_optimizer_init.
10597 * modulo-sched.c (build_loops_structure): Removed.
10598 (sms_schedule): Use loop_optimizer_init.
10599 * loop-init.c (loop_optimizer_init): Use flags to determine
10600 which properties of loops to prepare.
10601 (rtl_loop_init): Pass flags to loop_optimizer_init.
10602 * tree-ssa-sink.c (execute_sink_code): Ditto.
10603 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10604 * tree-ssa-pre.c (init_pre): Ditto.
10605 * cfgloop.h (LOOPS_NORMAL): New.
10606 (loop_optimizer_init): Declaration changed.
10608 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10610 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10611 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10613 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10615 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10617 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10618 * pa/t-pa64: Delete quadlib.c rule.
10619 * pa/x-ada: Revert last change.
10620 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10622 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10624 PR rtl-optimization/26087
10625 * rtlanal.c (canonicalize_condition): Do not cross basic block
10628 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10631 * config/ia64/ia64.c: Include debug.h.
10632 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10633 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10634 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10635 (process_epilogue, process_set, process_for_unwind_directive):
10636 Output unwind info only if requested. Add CFA info if requested.
10637 Add new arguments as needed. Adjust callers.
10638 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10640 (DWARF2_FRAME_INFO): Define to zero.
10641 * config/ia64/unwind-ia64.c: Remove code that compensated for
10642 the CFA offset error fixed above.
10643 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10644 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10645 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10646 -funwind-tables and -fexceptions to enable frame info.
10647 (dwarf2out_frame_init): Define initial CFA even if
10648 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10649 DWARF2_UNWIND_INFO is nonzero, not just defined.
10650 (dwarf2out_frame_finish): Output non-EH call frame info only
10651 if DWARF2_FRAME_INFO is nonzero.
10652 (convert_cfa_to_loc_list,
10653 compute_frame_pointer_to_cfa_displacement): Define even if
10654 unwind info is not supported.
10655 (gen_subprogram_die): Use the above unconditionally. Remove
10656 legacy alternate code.
10657 * toplev.c (compile_file): Compile in call to
10658 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10659 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10661 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10662 Jakub Jelinek <jakub@redhat.com>
10664 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10665 IBM extended float format long double as "g" on powerpc*-linux.
10667 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10670 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10671 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10673 2006-02-03 Jason Merrill <jason@redhat.com>
10676 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10678 PR middle-end/25977
10679 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10680 on the return slot if it's an NRV.
10682 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10684 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10685 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10686 rewrite_use): Do not handle USE_OUTER.
10687 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10688 add_iv_outer_candidates, may_replace_final_value,
10689 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10690 (find_interesting_uses_op): Functionality of
10691 find_interesting_uses_outer_or_nonlin moved here.
10692 (find_interesting_uses_outside): Use find_interesting_uses_op.
10694 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10697 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10699 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10700 Ulrich Weigand <uweigand@de.ibm.com>
10703 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10704 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10705 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10706 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10708 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10709 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10710 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10711 Define secondary reloads for TFmode moves.
10712 (constant_modes): Add TFmode.
10713 (NR_C_MODES): Set to 8.
10714 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10716 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10717 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10718 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10719 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10720 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10721 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10722 (FPR mode macro): Add TFmode.
10723 (DSF mode macro): New.
10724 (<de>, <dee> mode attributes): Removed.
10725 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10726 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10727 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10728 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10729 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10730 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10731 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10732 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10733 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10734 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10735 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10736 "*negabs<mode>2", "sqrt<mode>2"):
10737 Changed <de> to <xde>. R constraint replaced by <Rf>.
10738 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10740 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10741 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10742 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10744 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10745 "extenddftf2", "extendsftf2"): New expanders.
10746 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10747 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10748 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10749 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10751 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10752 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10753 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10754 __floatditf): Add a GCC_4.1.0 symbol version tag.
10755 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10758 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10761 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10762 Use targetm.binds_local_p instead of TREE_PUBLIC.
10764 2006-02-02 Roger Sayle <roger@eyesopen.com>
10766 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10767 on INTEGER_TYPEs to indicate that it denotes a character type.
10768 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10769 signed_char_type_node, unsigned_char_type_node and char_type_node.
10770 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10771 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10772 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10774 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10775 Daniel Berlin <dberlin@dberlin.org>
10777 * tree-tailcall.c (arg_needs_copy_p): New function.
10778 (eliminate_tail_call): Use arg_needs_copy_p.
10779 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10780 (add_virtual_phis): New function.
10782 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10784 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10785 #ignore instead of #scratch for %g7 .register directive.
10787 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10789 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10792 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10794 * flow.c (calculate_global_regs_live): Assert that there aren't any
10797 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10799 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10800 what its name says.
10801 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10802 bsi_after_labels iterator.
10803 * tree-if-conv.c (find_phi_replacement_condition,
10804 replace_phi_with_cond_modify_expr): Likewise.
10805 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10806 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10808 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10810 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10812 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10815 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10816 array after growing it.
10818 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10820 PR middle-end/24901
10821 * fold-const.c (fold_checksum_tree): Change type of buf.
10823 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10825 * reload.c (push_secondary_reload): Initialize t_icode.
10827 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10829 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10830 -msoft-float -mlong-double-128 only issue a warning, but don't
10831 swich to DFmode long double.
10833 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10835 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10836 has a constant equivalent, iterate over equivalents for arg0,
10837 calling simplify_relational_operation and if there's a result
10838 cheaper than X, apply fold_rtx and return the result.
10840 2006-02-01 Jan Hubicka <jh@suse.cz>
10842 * opts.c (no_unit_at_a_time_default): New global variable.
10843 (decode_options): Use it.
10844 * opts.h (no_unit_at_a_time_default): Declare.
10846 2006-02-01 Paul Brook <paul@codesourcery.com>
10848 * function.c (assign_parm_setup_reg): Use function argument promotion
10850 * expr.c (expand_expr_real_1): Use function argument promotion rules
10853 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10855 * gcc.c (process_command): Change j to 'unsigned int'.
10857 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10859 PR middle-end/26001
10860 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10861 Use the corrected index for the character
10862 out of the string constant.
10864 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10866 * mode-switching.c (optimize_mode_switching): Fix size
10867 allocated for bb_info[n_entities].
10869 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10871 * gcc.c (main): Correct type that is allocated for
10872 explicit_link_files.
10874 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10876 * config/s390/s390.c (init_alignment_context): Set
10877 ALIAS_SET_MEMORY_BARRIER on the MEM.
10878 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10880 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10882 PR middle-end/25933
10883 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10885 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10888 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10890 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10891 * regrename.c: Ditto.
10892 * tree-ssa-loop-im.c: Ditto.
10893 * tree-dump.c: Ditto.
10894 * tree-complex.c: Ditto.
10895 * genrecog.c: Ditto.
10896 * tree-ssa-threadupdate.c: Ditto.
10898 * java/class.c: Ditto.
10899 * java/jcf-parse.c: Ditto.
10900 * java/resource.c: Ditto.
10901 * java/except.c: Ditto.
10902 * java/jvspec.c: Ditto.
10903 * java/jcf-write.c: Ditto.
10904 * java/jcf-path.c: Ditto.
10905 * java/gjavah.c: Ditto.
10906 * java/zextract.c: Ditto.
10907 * java/jcf-io.c: Ditto.
10908 * java/jcf.h: Ditto.
10909 * java/buffer.c: Ditto.
10910 * java/lang.c: Ditto.
10911 * java/parse-scan.y: Ditto.
10912 * java/lex.c: Ditto.
10913 * java/lex.h: Ditto.
10914 * cfgloopmanip.c: Ditto.
10915 * postreload-gcse.c: Ditto.
10916 * tree-ssa-loop-manip.c: Ditto.
10917 * postreload.c: Ditto.
10918 * tree-ssa-loop-ch.c: Ditto.
10921 * cppspec.c: Ditto.
10922 * diagnostic.c: Ditto.
10924 * genoutput.c: Ditto.
10926 * cfghooks.c: Ditto.
10927 * cfgloopanal.c: Ditto.
10928 * objc/objc-act.c: Ditto.
10930 * genextract.c: Ditto.
10931 * genautomata.c: Ditto.
10932 * pretty-print.c: Ditto.
10933 * genemit.c: Ditto.
10934 * cgraphunit.c: Ditto.
10936 * df-scan.c: Ditto.
10937 * haifa-sched.c: Ditto.
10938 * dominance.c: Ditto.
10940 * tree-ssa-loop-ivopts.c: Ditto.
10941 * df-core.c: Ditto.
10942 * mode-switching.c: Ditto.
10943 * modulo-sched.c: Ditto.
10945 * ipa-pure-const.c: Ditto.
10947 * fix-header.c: Ditto.
10949 * tree-stdarg.c: Ditto.
10950 * ipa-utils.c: Ditto.
10951 * loop-init.c: Ditto.
10952 * ipa-inline.c: Ditto.
10953 * cfganal.c: Ditto.
10955 * alloc-pool.c: Ditto.
10956 * dwarf2out.c: Ditto.
10958 * genattrtab.c: Ditto.
10959 * tree-ssa-loop-ivcanon.c: Ditto.
10960 * predict.c: Ditto.
10961 * timevar.c: Ditto.
10963 * fortran/gfortranspec.c: Ditto.
10964 * regmove.c: Ditto.
10965 * local-alloc.c: Ditto.
10966 * langhooks.c: Ditto.
10967 * function.c: Ditto.
10968 * tree-vectorizer.c: Ditto.
10970 * ipa-type-escape.c: Ditto.
10972 * tree-if-conv.c: Ditto.
10973 * profile.c: Ditto.
10975 * tree-data-ref.c: Ditto.
10976 * loop-unroll.c: Ditto.
10977 * treelang/treetree.c: Ditto.
10979 * bt-load.c: Ditto.
10980 * ggc-common.c: Ditto.
10982 * coverage.c: Ditto.
10984 * tree-cfgcleanup.c: Ditto.
10985 * tree-ssa-pre.c: Ditto.
10986 * cfgcleanup.c: Ditto.
10987 * loop-invariant.c: Ditto.
10988 * loop-iv.c: Ditto.
10989 * ipa-prop.c: Ditto.
10990 * print-tree.c: Ditto.
10991 * conflict.c: Ditto.
10992 * ggc-page.c: Ditto.
10993 * sched-deps.c: Ditto.
10994 * regclass.c: Ditto.
10995 * tree-object-size.c: Ditto.
10996 * combine.c: Ditto.
10997 * bb-reorder.c: Ditto.
10998 * resource.c: Ditto.
10999 * var-tracking.c: Ditto.
11000 * cfgloop.c: Ditto.
11001 * df-problems.c: Ditto.
11002 * reg-stack.c: Ditto.
11004 * gccspec.c: Ditto.
11005 * sched-rgn.c: Ditto.
11006 * tree-ssa-structalias.c: Ditto.
11007 * tree-ssa-reassoc.c: Ditto.
11008 * config/darwin-c.c: Ditto.
11009 * config/darwin.c: Ditto.
11010 * config/arm/arm.c: Ditto.
11012 * collect2.c: Ditto.
11013 * reload1.c: Ditto.
11015 2006-01-31 Nicolas Pitre <nico@cam.org>
11017 * arm.md (smaxsi3): Make aware of smax_m1.
11020 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11022 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11024 2006-01-31 Richard Guenther <rguenther@suse.de>
11026 * doc/invoke.texi (-msselibm): Document.
11027 * target.h (expand_library_builtin): New target hook.
11028 * builtins.c (expand_builtin): Use expand_library_builtin.
11029 (default_expand_library_builtin): New function.
11030 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11031 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11032 (link_gcc_math_spec): Declare.
11033 (static_specs): Add link_gcc_math_spec.
11034 * expr.h (default_expand_library_builtin): Declare.
11035 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11036 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11037 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11038 * config/i386/i386.opt (msselibm): New target option.
11039 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11040 (ix86_init_sse_abi_builtins): New function.
11041 (ix86_expand_library_builtin): Likewise.
11042 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11043 (override_options): Handle error conditions wrt -msselibm.
11044 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11045 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11046 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11049 2006-01-31 Richard Guenther <rguenther@suse.de>
11050 Paolo Bonzini <bonzini@gnu.org>
11052 * doc/install.texi (--disable-libgcc-math): Document.
11054 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11056 * expr.h (expand_normal): new inline function.
11057 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11058 * dojump.c: use it.
11059 * dwarf2out.c: use it.
11062 * expmed.c: use it.
11063 * except.c: use it.
11064 * config/sparc/sparc.c: use it.
11065 * config/i386/i386.c: use it.
11066 * config/rs6000/rs6000.c: use it.
11067 * config/arm/arm.c: use it.
11068 * config/mips/mips.c: use it.
11069 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11071 2006-01-30 Roger Sayle <roger@eyesopen.com>
11073 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11074 argv to the appropriate type.
11076 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11078 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11081 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11084 * config/s390/s390.c (struct machine_function): New flag
11085 decomposed_literal_pool_addresses_ok_p.
11086 (s390_reorg): Set it before final stage of literal pool transforms.
11087 (s390_decompose_address): Only accept displacements of the form
11088 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11090 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11092 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11093 the comparison routine return.
11095 2006-01-30 Michael Matz <matz@suse.de>
11097 * global.c (find_reg): Only evict for global regs.
11098 Take n_refs into account and dump more info.
11100 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11103 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11104 (pragma_trap, pragma_nosave_low_regs): Likewise.
11105 (current_function_anonymous_args): Likewise.
11106 (sh_deferred_function_attributes): New variable.
11107 (sh_deferred_function_attributes_tail): Likewise.
11108 (print_operand): For '@', look up trap_exit attribute.
11109 (calc_live_regs): Look up trapa_handler attribute. For trapa
11110 handlers, save/restore fpscr, but don't do any other
11111 interrupt-specific saves.
11112 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11113 Fix check for partially saved registers to check for SHmedia.
11114 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11115 (sh_output_function_epilogue): Don't clear any of the removed
11117 (sh_insert_attributes): Don't check pragma_interrupt.
11118 Insert deferred attributes. Check that interrupt attribute is
11119 present for other attributes that require its presence.
11120 (sh_attribute_table): Add new attributes trapa_handler and
11122 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11123 Don't check for pragma_interrupt. Don't store argument.
11124 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11125 (sh_deferred_function_attributes): Declare.
11126 (sh_deferred_function_attributes_tail): Likewise.
11127 * sh.md (sp_switch_1): Add operand. Change generator caller.
11128 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11129 (*return_i): Don't use when trap_exit attribute is in effect.
11130 (*return_trapa): New insn pattern.
11131 * sh-c.c: New file.
11132 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11133 setting c_target_objs and cxx_target_objs.
11134 * t-sh: Add rule for sh-c.o.
11136 2006-01-30 Richard Guenther <rguenther@suse.de>
11139 * gimplify.c (gimplify_target_expr): Handle easy cases
11140 without creating a temporary.
11142 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11144 * vec.h (safe_grow): Remove duplicated line.
11146 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11149 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11150 (expand_omp): ... here.
11151 (expand_omp_parallel): Only remove barriers for combined
11152 parallel+workshare constructs.
11154 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11158 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11159 * tree.c (build_qualified_type): Chain the new type to the original
11160 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11161 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11162 (build_pointer_type_for_mode): Only return unqualified types.
11163 (build_reference_type_for_mode): Likewise.
11165 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11167 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11168 * Makefile.in (CXX_COMPAT_WARN): Define.
11169 * configure: Regenerate.
11171 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11174 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11177 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11179 * toplev.c: Fix thinko.
11181 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11182 Marcin Dalecki <martin@dalecki.de>
11184 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11185 (push_srcloc): Use XNEW.
11186 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11188 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11190 * df-core.c (df_set_blocks): Deleted all variable.
11192 2006-01-28 Ian Lance Taylor <ian@airs.com>
11194 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11195 cgraph_output_pending_asms.
11197 2006-01-28 Zack Weinberg <zackw@panix.com>
11199 * c.opt: Add -W(no-)overlength-strings.
11200 * doc/invoke.texi: Document it.
11201 * c-opts.c (c_common_handle_option): -pedantic implies
11202 -Woverlength-strings, if not explicitly disabled already.
11203 (c_common_post_options): -Woverlength-strings defaults to off, and
11204 is always off for C++.
11205 * c-common.c (fix_string_type): Issue warning about strings longer
11206 than is portable only if warn_overlength_strings. Rearrange code
11207 a little for clarity.
11208 * configure.in: Check for -Wno-overlength-strings as well before
11209 enabling -pedantic in stage 1.
11210 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11211 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11213 * genconditions.c (write_header, write_one_condition)
11214 (write_conditions, write_writer): Consolidate very long strings
11215 that were broken up to fit in C89 portable limit. Don't use
11216 printf when fputs will do.
11218 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11220 * combine.c (simplify_comparison <AND>): Check
11221 TRULY_NOOP_TRUNCATION before start using a subreg.
11223 * config/mips/mips.md (*branch_zero<mode>,
11224 *branch_zero<mode>_inverted, *branch_equality<mode>,
11225 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11226 Remove mode check from comparisons.
11228 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11230 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11232 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11234 * expmed.c (const_mult_add_overflow_p): Remove.
11235 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11237 * recog.c (validate_replace_rtx_subexp): Remove.
11238 * recog.h: Remove the prototype for
11239 validate_replace_rtx_subexp.
11241 * integrate.h: Remove the prototype for
11242 copy_decl_for_inlining.
11243 * rtl.h: Remove the prototype for mark_constant_function.
11244 * tree-vectorizer.h: Remove the prototype for
11245 vect_strip_conversion.
11247 * modulo-sched.c (create_partial_schedule,
11248 free_partial_schedule, reset_partial_schedule): Make them
11251 * hooks.c (hook_bool_rtx_int_false): Remove.
11252 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11254 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11256 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11257 and -mlong-double-128 are incompatible.
11258 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11259 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11260 (TARGET_LIBGCC2_CFLAGS): Define.
11261 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11262 (TARGET_LIBGCC2_CFLAGS): Same.
11263 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11265 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11268 * c-typeck.c (build_binary_op): Perform implicit casts of
11269 operands before shortening them.
11271 * cfgloopmanip.c (split_loop_bb): Remove.
11272 * cfgloop.h: Remove the prototype for split_loop_bb.
11274 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11275 * cfgloop.h: Remove the prototype for
11276 flow_loop_outside_edge_p.
11278 * emit-rtl.c (init_virtual_regs): Make it static.
11279 * function.h: Remove the prototype for init_virtual_regs.
11281 * recog.c (peephole2_optimize): Make it static.
11282 * recog.h: Remove the prototype for peephole2_optimize.
11284 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11286 * df-scan.c (df_record_entry_block_defs): Check if
11287 INCOMING_RETURN_ADDR_RTX is defined.
11289 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11290 Kenneth Zadeck <zadeck@naturalbridge.com>
11292 PR rtl-optimization/24762
11293 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11294 * targhooks.c (hook_void_bitmap): New hook prototype.
11295 * targhoohs.h (hook_void_bitmap): Ditto.
11296 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11297 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11298 * target.h (live_on_entry): New function pointer.
11299 * df-scan.c (df_all_hard_regs): Removed.
11300 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11301 (df_scan_free_internal): Added df->entry_block_defs.
11302 (df_scan_alloc): Ditto.
11303 (df_scan_dump): Ditto.
11304 (df_uses_record): Plumbed flag field properly thru calls.
11305 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11306 This part fixes PR24762.
11307 (df_bb_refs_record): Added code to make the frame and arg
11308 pointers live in EH blocks.
11309 (df_refs_record): Added call to df_record_entry_block_defs.
11310 (df_record_entry_block_defs): New function.
11311 * df-core.c: Added comments to describe new artifical defs.
11312 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11313 (entry_block_defs): New field in struct df.
11314 (df_all_hard_regs): Deleted.
11315 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11316 * df-problems.c (df_ru_bb_local_compute_process_def):
11317 Added code to handle artifical defs in the entry to a function.
11318 (df_ru_bb_local_compute): Ditto.
11319 (df_rd_bb_local_compute_process_def): Ditto.
11320 (df_rd_bb_local_compute): Ditto.
11321 (df_lr_bb_local_compute): Ditto.
11322 (df_ur_bb_local_compute): Ditto.
11323 (df_urec_bb_local_compute): Ditto.
11324 (df_chain_create_bb): Ditto.
11325 (df_ur_local_finalize): Removed entry.
11326 (df_urec_init): Ditto.
11327 (df_urec_local_finalize): Ditto.
11328 (df_ri_bb_compute): Added detection of last use of pseudos.
11329 * Makefile.in (df-scan.o): Updated dependencies.
11330 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11331 * config/mips/mips.c (mips_set_live_on_entry): Added.
11332 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11334 * dce.c (marked_insn_p): Added code to handle artifical defs.
11336 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11338 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11340 (_mm_cvtsi128_si64): Likewise.
11341 (_mm_cvtsd_si64): Likewise.
11342 (_mm_cvttsd_si64): Likewise.
11343 (_mm_cvtsi64_sd): Likewise.
11344 (_mm_cvtsi64_si128): Likewise.
11345 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11346 (_mm_cvtsi64_m64): Likewise.
11347 (_m_to_int64): Likewise.
11348 (_mm_cvtm64_si64): Likewise.
11349 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11350 (_mm_cvttss_si64): Likewise.
11351 (_mm_cvtsi64_ss): Likewise.
11352 (_mm_cvtss_f32): Likewise.
11354 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11356 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11357 for pragma redefine_extname.
11359 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11362 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11363 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11364 -mno-minimal-toc to previous content.
11365 (bispecs): Remove goal.
11366 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11367 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11368 compatibility aliases on powerpc-*-*gnu*.
11369 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11370 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11371 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11372 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11373 (ldblspecs): New goal.
11374 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11375 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11377 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11378 L_sf_to_tf or L_df_to_tf is defined.
11380 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11381 Alan Modra <amodra@bigpond.net.au>
11384 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11385 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11386 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11387 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11388 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11389 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11390 (rs6000_override_options): Initialize rs6000_ieeequad.
11391 Initialize TFmode format to ibm_extended_format if not
11393 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11395 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11396 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11397 (function_arg_advance): IBM long double passed in two FPRs, not
11399 (function_arg): IBM long double passed in FPRs.
11400 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11401 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11402 Only multireg GPR aligned.
11403 (rs6000_init_libfuncs): Enable IBM long double functions if not
11405 (rs6000_generate_compare): Use IBM long double compare if not
11407 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11408 (TARGET_IEEEQUAD): Define.
11409 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11410 not TARGET_IEEEQUAD.
11411 * config/rs6000/rs6000.md: Enable TFmode patterns if
11413 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11414 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11415 and -mlong-double-128 are incompatible.
11416 * doc/invoke.texi (-mabi): Collect options together. Add
11417 ibmlongdouble and ieeelongdouble.
11419 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11421 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11423 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11424 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11425 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11426 * rtl.h (rtunion_def): Remove rt_ptr.
11428 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11429 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11430 * config/i386/winnt.c (i386_pe_mark_dllexport)
11431 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11433 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11435 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11437 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11441 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11442 pthread_key_delete. From John David Anglin. gthrw-ify
11443 pthread_getunique_np only if it it's not a macro. Delete
11445 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11446 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11447 __gthread_objc_condition_signal, __gthread_key_delete): Add
11448 "__attribute__ ((__unused__))" to unused arguments.
11449 (__gthread_recursive_mutex_init_function): Add missing return.
11450 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11451 gthr-posix95.h: Use macro-based approach for name redirection
11452 on targets missing weakref.
11454 2006-01-26 Zack Weinberg <zackw@panix.com>
11456 * genconditions.c (write_header): In generated code, #ifdef out
11457 all includes and fake declarations, except includes of bconfig.h
11458 and system.h, unless GCC_VERSION >= 3001. Do not include
11459 gensupport.h in any case.
11460 (write_conditions): Generate a definition of struct c_test. Add
11461 a comment to the generated #endif.
11462 (write_one_condition): Escape backslashes in string too.
11463 (write_writer): Generated code must escape backslashes and quote
11464 marks (but not newlines) in the strings it writes.
11465 * Makefile.in (build/gencondmd.o): Update dependencies.
11467 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11470 * Makefile.in (insn-automata.o): Add header file dependencies.
11471 * genautomata.c: Add includes.
11473 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11476 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11478 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11480 * configure.ac: Expect target tools paths to be passed from the toplevel
11481 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11483 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11485 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11488 * c.opt (Wpointer-sign): Init to -1.
11489 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11490 OPT_pedantic, to 0 otherwise.
11491 * doc/invoke.texi: Update.
11493 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11495 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11496 constants provided by 80387 instructions in the destination mode.
11498 2006-01-26 Richard Guenther <rguenther@suse.de>
11499 Andrew Pinski <pinskia@physics.uc.edu>
11502 partial PR tree-opt/17064
11503 * tree-ssa-structalias.c (intra_create_variable_infos):
11504 Create heap variables for incoming parameters if
11505 flag_argument_noalias > 1.
11506 (find_what_p_points_to): Look through default defs of
11509 2006-01-26 Jeff Law <law@redhat.com>
11512 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11513 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11514 within the VR_RANGE, use the VR_RANGE as the result, not the
11516 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11517 bounds for the type.
11519 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11521 * tree-ssa-alias.c (maybe_create_global_var): Change
11522 subvar walking to an assertion that we don't have subvar'd variables.
11524 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11527 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11528 Use a new variable, inner. PARM_DECLs are always non-weak.
11530 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11532 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11533 --disable-checking.
11535 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11537 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11539 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11541 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11542 (smax_insn, smin_insn, smax_0, smin_0): New.
11544 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11547 * config/cris/cris.c (cris_order_for_addsi3): New function.
11548 * config/cris/cris-protos.h: Prototype it.
11549 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11550 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11551 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11552 (split for "op.S1 [rx=rx+i],ry (swapped)")
11553 (split for "op(s|u).S1 [rx=rx+i],ry")
11554 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11555 Apply cris_order_for_addsi3 when generating addsi3 insns.
11557 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11559 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11560 (TREE_BLOCK): Add call to EXPR_CHECK.
11562 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11565 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11566 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11567 (dump_omp_clauses): ... here.
11568 (dump_generic_node): Handle OMP_CLAUSE.
11569 * tree.c (omp_clause_num_ops): New.
11570 (omp_clause_code_name): New.
11571 (tree_code_size): Handle OMP_CLAUSE.
11572 (tree_size): Likewise.
11573 (make_node): Document handling of OMP_CLAUSE.
11574 (tree_node_structure): Handle OMP_CLAUSE.
11575 (omp_clause_check_failed): New.
11576 (omp_clause_range_check_failed): New.
11577 (omp_clause_operand_check_failed): New.
11578 (build_omp_clause): New.
11579 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11580 * tree.h (enum omp_clause_code): Declare.
11581 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11582 (OMP_CLAUSE_RANGE_CHECK): Define.
11583 (OMP_CLAUSE_ELT_CHECK): Define.
11584 (omp_clause_check_failed): Declare.
11585 (omp_clause_operand_check_failed): Declare.
11586 (omp_clause_range_check_failed): Declare.
11587 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11588 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11589 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11590 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11591 (OMP_CLAUSE_IF_EXPR): Likewise.
11592 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11593 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11594 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11595 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11596 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11597 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11598 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11599 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11600 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11601 (OMP_CLAUSE_CODE): Define.
11602 (OMP_CLAUSE_SET_CODE): Define.
11603 (OMP_CLAUSE_CODE): Define.
11604 (OMP_CLAUSE_OPERAND): Define.
11605 (struct tree_omp_clause): Declare.
11606 (union tree_node): Add field 'omp_clause'.
11607 * treestruct.def (TS_OMP_CLAUSE): Define.
11608 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11609 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11610 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11611 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11612 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11613 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11614 (OMP_CLAUSE): Define.
11615 * print-tree.c (print_node): Handle OMP_CLAUSE.
11616 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11617 * c-typeck.c: Likewise.
11618 * gimplify.c: Likewise.
11619 * c-omp.c: Likewise.
11620 * tree-nested.c: Likewise.
11621 * tree-inline.c: Likewise.
11622 * c-parser.c: Likewise.
11623 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11626 2006-01-25 Roger Sayle <roger@eyesopen.com>
11628 PR rtl-optimization/25703
11629 * combine.c (try_combine): Handle zero_extract and strict_low_part
11630 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11632 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11634 * global.c: Fix comment typos.
11636 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11639 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11640 Use output_addr_const instead of assemble_name.
11642 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11644 * Makefile.in (sched-vis.o): Update dependencies.
11645 * haifa-sched.c (sched_finish): Clear current_sched_info.
11646 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11647 (dump_flow_info): Call it.
11648 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11650 * basic-block.h (dump_bb_info): Declare.
11651 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11652 option, and apply options only for dump files whose TDF_RTL,
11653 TDF_TREE, or TDF_IPA bits match.
11654 * rtl.h: Declare new functions exported from sched-vis.c.
11655 * sched-vis.c: Enable also if scheduling is not used.
11656 (print_value): Print the mode of registers if not inside scheduling.
11657 (print_insn): Make it work outside the scheduler. Beautify the output
11659 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11661 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11663 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11664 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11665 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11666 depending on the value of CONSTANT_POOL_ADDRESS_P.
11667 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11669 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11670 rather than SYMBOL_REF_DECL.
11671 (rtx_constant_pool): Remove const_rtx_sym_htab.
11672 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11673 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11674 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11675 Remove handling of const_rtx_sym_htab.
11676 (find_pool_constant): Delete.
11677 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11678 rather than find_pool_constant.
11679 (get_pool_constant_for_function): Delete.
11680 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11681 find_pool_constant.
11682 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11683 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11684 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11685 (SYMBOL_REF_CONSTANT): New macro.
11686 (get_pool_constant_for_function): Delete.
11687 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11688 rather than SYMBOL_REF_DECL.
11689 (i386_pe_mark_dllimport): Likewise.
11690 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11691 rather than SYMBOL_REF_DECL.
11692 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11693 (machopic_indirect_call_target): Likewise.
11695 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11697 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11699 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11701 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11703 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11705 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11707 2006-01-24 David Daney <ddaney@avtrex.com>
11710 * configure.ac (enable_tls): New enable option.
11711 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11712 * configure: Regenerate.
11713 * doc/install.texi (--enable-tls): Document new option.
11714 (--disable-tls): Ditto.
11716 2006-01-24 Richard Henderson <rth@redehat.com>
11718 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11719 * alias.c (true_dependence): Respect it.
11720 (canon_true_dependence, write_dependence_p): Likewise.
11721 * builtins.c (get_builtin_sync_mem): Set it.
11723 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11725 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11728 2006-01-24 DJ Delorie <dj@redhat.com>
11730 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11731 for storing constants in single-bit bitfields.
11733 2006-01-25 Ben Elliston <bje@au.ibm.com>
11735 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11737 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11740 * tree-ssa-pre.c (phi_translate): Return NULL
11741 for AGGREGATE_TYPE's.
11743 2006-01-24 Zack Weinberg <zackw@panix.com>
11745 * genautomata.c (process_state_for_insn_equiv_partition):
11746 Use xcalloc for insn_arcs_array.
11747 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11748 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11750 2006-01-24 Richard Henderson <rth@redhat.com>
11752 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11753 update all callers.
11755 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11757 PR rtl-optimization/25890
11758 PR rtl-optimization/25905
11759 * combine.c (expand_compound_operation, expand_field_assignment):
11760 Fail if the bitfield's final position is out of bounds.
11762 2006-01-24 Ian Lance Taylor <ian@airs.com>
11764 PR middle-end/25930
11765 * cgraphunit.c (cgraph_output_in_order): Don't clear
11766 cgraph_asm_nodes until after asm strings have been output.
11768 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11770 * fix-header.c (read_scan_file): Add new parameter imultilib when
11771 calling register_include_chains.
11773 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11775 * omp-low.c: Update documentation.
11777 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11778 Daniel Berlin <dberlin@dberlin.org>
11782 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11783 return from the function.
11785 2006-01-22 Zack Weinberg <zackw@panix.com>
11787 * rtl.def (match_code): Add second argument.
11788 * genpreds.c (write_extract_subexp): New function.
11789 (write_match_code): Add path argument. Use write_extract_subexp.
11790 (write_predicate_expr): Pass path to write_match_code.
11791 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11792 not perform a mode test.
11793 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11794 a subexpression does not constrain the top-level code set.
11795 * read-rtl.c (read_rtx_variadic): New function.
11796 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11797 * doc/md.texi: Document new notation.
11798 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11799 (cmpsi_operand): ... here, using new notation.
11801 2006-01-22 Zack Weinberg <zackw@panix.com>
11803 * varray.c: Remove GENERATOR_FILE #ifdefs.
11805 2006-01-22 Zack Weinberg <zackw@panix.com>
11807 * genautomata.c (output_reserved_units_table): Emit nothing if
11808 description->query_units_num is zero. Remove extra blank line.
11809 (output_cpu_unit_reservation_p): Short circuit
11810 if description->query_units_num is zero.
11812 2006-01-22 Zack Weinberg <zackw@panix.com>
11814 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11815 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11816 nor any of the random handful of variables that used to be necessary
11817 when this program was linked with rtlanal.o. Prune set of forward
11818 function declarations.
11819 (struct attr_desc): Remove static_p field.
11820 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11821 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11822 (attr_string): Do not read the character one past the length of
11824 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11825 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11826 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11827 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11828 (make_automaton_attrs): New.
11829 (main): Do not call into genautomata. Call local gen_bypass
11830 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11831 Remove special case for insn_alts.
11832 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11833 varray.h (leftover from previous change). Prune set of forward
11834 function declarations. Remove state_alts fields from all
11835 structures. Remove state_alts_table from struct automaton.
11836 Make everything except main static. Do not maintain num_dfa_decls.
11837 Do not maintain state_alts fields of various structures.
11838 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11839 (add_arc): Remove state_alts argument. All callers updated.
11840 (output_reserved_units_table): Emit #ifdef here...
11841 (output_tables): ...not here. Don't generate state_alts tables.
11842 (expand_automata): Don't generate attributes.
11843 (write_automata): Don't generate state_alts functions.
11844 (main): New function.
11845 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11846 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11847 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11848 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11849 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11850 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11851 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11852 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11854 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11855 * genattrtab.h: Delete file.
11856 * Makefile.in (OBJS-common): Add insn-automata.o.
11857 (insn-automata.o): New rule.
11858 (simple_generated_c): Add insn-automata.c.
11859 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11860 (genprogmd): Add automata.
11861 (build/genattrtab): Needs no extra objects nor libraries.
11862 (build/genautomata): Needs build/vec.o and -lm.
11864 2006-01-22 Zack Weinberg <zackw@panix.com>
11866 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11867 (output_dfa_max_issue_rate, locked_states_num): Delete.
11868 (struct automaton): Add locked_states field.
11869 (output_dead_lock_vect): Save number of locked states in
11870 automaton->locked_states. If it is zero, don't print anything.
11871 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11872 (output_internal_dead_lock_func): Only test the dead_lock_vect
11873 for automata that have locked states.
11874 (output_statistics): Always print the number of locked states for
11875 each automaton. Calculate total number of locked states here.
11876 (write_automata): Don't call output_dfa_max_issue_rate.
11877 * genattrtab.c: Define length_unit_log as a const variable.
11878 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11879 max_insn_queue_index const.
11880 * final.c (length_unit_log): Declare const.
11881 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11883 2006-01-22 Zack Weinberg <zackw@panix.com>
11885 * genautomata.c: Include vec.h, not varray.h.
11886 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11887 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11888 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11889 VEC_* macros operating on appropriately typed vectors, or to
11890 malloced arrays when the size is known in advance. Const-ify
11891 many char* variables and function arguments. No functional changes.
11892 * Makefile.in (build/varray.o): Delete rule.
11893 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11894 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11896 2006-01-22 Zack Weinberg <zackw@panix.com>
11898 * gensupport.c: Define get_insn_name and record_insn_name here.
11899 (read_md_rtx): Call record_insn_name as appropriate.
11900 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11901 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11902 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11904 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11905 (BUILD_VARRAY): Delete.
11906 (genprognormal): Rename genprogmd. Fold in all programs from
11907 genprognoprint; also attrtab.
11908 (build/genattrtab): Just mention genautomata.o and varray.o.
11909 Reorganize a bit, add comments to make the categories clearer.
11911 2006-01-22 Zack Weinberg <zackw@panix.com>
11913 * genconditions.c (condition_table, add_condition): Delete.
11914 (write_conditions): Don't emit n_insn_conditions nor
11915 insn_elision_unavailable. Issue the gcc version #ifdef here,
11916 inside the table, with no #else clause ...
11917 (write_header): ...not here.
11918 (write_writer): New function.
11919 (main): Don't initialize condition_table. Use add_c_test.
11921 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11922 files on the command line.
11923 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11924 Return -1 if there is no entry in the table, don't abort.
11925 (add_c_test, traverse_c_tests): New functions.
11926 * gensupport.h (insn_elision_unavailable, insn_conditions)
11927 (n_insn_conditions): Delete declarations.
11928 (add_c_test, traverse_c_tests): Declare.
11929 * read-rtl.c: Include gensupport.h.
11930 (read_conditions): New function.
11931 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11932 (read_rtx_1): If we get EOF when we were looking for an initial
11933 open paren, return 0. Call read_conditions when appropriate.
11934 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11935 dummy-conditions.o. Eliminate references to insn-conditions.o,
11936 or change them to build/gencondmd.o, as appropriate. Remove
11937 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11938 from $(simple_generated_c). For all files remaining in those
11939 two lists, add insn-conditions.md to the generator command line.
11940 Give insn-constants.h/s-constants their own rules. Add rules
11941 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11942 (build/read-rtl.o): Depend on gensupport.h.
11943 (genprognormal): Include preds.
11944 (genprogearly): Rename genprognoprint; only difference is now that
11945 they don't link with $(BUILD_PRINT).
11946 * dummy-conditions.c: Delete.
11948 2006-01-22 Zack Weinberg <zackw@panix.com>
11950 * genextract.c: Don't include insn-config.h. Do include vec.h.
11951 Declare vectors of int, char, and locstr.
11952 (locstr): New typedef.
11953 (struct extraction): Make all array fields into bare pointers.
11954 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11955 (insn_code_number): Delete.
11956 (accum_extract): New struct.
11957 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11958 (gen_insn): Take insn_code_number as an argument. Use an
11959 accum_extract structure instead of loading data directly into
11960 a struct extraction, and having to know how big it might get.
11961 (walk_rtx): Operate entirely on an accum_extract structure.
11962 (print_path): Avoid unnecessary use of printf.
11963 (print_header): New function, split out of main. Distinguish
11964 more carefully between an unrecognizable insn and an insn that
11965 has the code number of a define_expand.
11966 (main): Pass insn_code_number to gen_insn. Call print_header
11967 only after parsing. Avoid unnecessary use of printf.
11968 * Makefile.in (build/vec.o): New rule.
11969 (build/genextract): Depend on build/vec.o.
11970 (build/genextract.o): Don't depend on insn-config.h.
11972 2006-01-22 Zack Weinberg <zackw@panix.com>
11974 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11975 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11976 practical. Eliminate per-generator-program link rules.
11978 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11980 PR middle-end/24437
11981 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11982 with a call expr to ...
11983 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11985 2006-01-23 Richard Guenther <rguenther@suse.de>
11987 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11988 before make_edge with conditional EDGE_TRUE_VALUE.
11990 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11991 Jan Hubicka <jh@suse.cz>
11992 Richard Guenther <rguenther@suse.de>
11994 PR rtl-optimization/25654
11995 * cfgexpand.c (aggregate_contains_union_type): New function.
11996 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11997 for structure variables that contain a union type.
11999 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12001 * gengtype.c (new_structure): Return the structure.
12002 (create_option): Add an extra "next" argument.
12003 (create_field): New function.
12004 (adjust_field_rtx_def): Use create_option and create_field.
12005 Remove a now-unnecessary call to find_structure.
12006 (adjust_field_tree_def): Likewise.
12007 (note_yacc_type): Remove an unnecessary call to find_structure.
12008 * gengtype.h (new_structure): Return the structure.
12009 (create_option): Add an extra argument.
12010 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12011 (option): Adjust calls to create_option.
12013 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12015 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12017 2006-01-22 Paul Brook <paul@codesourcery.com>
12018 Peter Barada <peter@the-baradas.com>
12020 * config/m68k/m68k.md: Add Coldfire FPU support.
12021 Define FP mode macro and associated attributes.
12022 Use it for float mode patterns.
12023 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12024 (LIBCALL_VALUE): Use m68k_libcall_value.
12025 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12026 (m68k_function_value): Ditto.
12027 (emit_move_sequence): Ditto.
12028 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12029 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12030 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12031 (MULTILIB_EXCEPTIONS): Ditto.
12032 * config/m68k/m68k.opt: Add mcfv4e.
12033 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12034 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12035 (m68k_output_function_prologue): Save ColdFire FPU registers.
12036 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12037 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12038 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12039 ColdFire FPU registers.
12040 (m68k_libcall_value, m68k_function_value): New functions.
12041 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12042 (LIBCALL_VALUE): Use m68k_libcall_value.
12043 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12044 (MASK_COLDFIRE): Add MASK_CFV4E.
12045 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12046 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12047 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12048 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12049 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12050 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12051 * doc/invoke.tex: Document -mcfv4e on m68k.
12053 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12055 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12058 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12061 * c-opts.c (c_common_handle_option): Don't include
12062 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12063 * doc/invoke.texi (C++ Dialect Options): Document that
12064 -Wnon-virtual-dtor is no longer included in -Wall.
12066 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12068 * gcov.c (print_version), gcov-dump.c (print_version),
12069 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12072 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12074 * df-scan.c (problem_SCAN): Added NULL reset function.
12075 (df_scan_reset_blocks): Added code to call reset block function
12076 (df_bb_refs_delete) Fixed comment.
12077 (df_insn_refs_delete): Made tolerant of deleting non existent info
12078 for dataflow problems that need to be reset.
12079 * df-core.c (df_set_blocks): Ditto.
12080 * df.h (struct df_problem): Added reset_fun.
12081 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12082 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12083 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12084 functions to clear out all references to def-use or use-def chains.
12086 2006-01-21 Ben Elliston <bje@au.ibm.com>
12088 * varasm.c (assemble_real): Initialise data array.
12090 2006-01-20 Paul Brook <paul@codesourcery.com>
12092 Merge from csl-arm-branch.
12093 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12094 * config/arm/arm.md (movdi): Force operands[1] to a register
12095 if we have a non-register source.
12096 (*arm_movdi, *movdf_soft_insn): Require that one of the
12097 operands be a register.
12098 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12099 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12101 2006-01-20 DJ Delorie <dj@redhat.com>
12103 * varasm.c (initializer_constant_valid_p): Allow pointers
12104 initialized from integer constants of lesser precision.
12105 (output_constant): Allow non-int-sized pointer modes to be
12106 initialized from integer constants.
12108 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12111 * cppdefault.h (struct default_include): Add multilib flag.
12112 * cppdefault.c (cpp_include_defaults): Set it.
12113 * c.opt (-imultilib): New option.
12114 * c-opts.c (imultilib): New.
12115 (c_common_handle_option): Handle -imultilib.
12116 (c_common_post_options): Likewise.
12117 * c-incpath.c (add_standard_paths, register_include_chains):
12119 * c-incpath.h (register_include_chains): Add extra parameter.
12120 * gcc.c (do_spec_1): Generate -imultilib option.
12121 (The Specs Language): Update %I description.
12122 (process_command): Update copyright notice.
12123 * doc/cppopts.texi (-imultilib): Document.
12124 * doc/invoke.texi (-imultilib): Include in option summary.
12125 (%I): Update specs documentation.
12127 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12129 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12131 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12133 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12136 2006-01-20 Richard Guenther <rguenther@suse.de>
12137 Steven Bosscher <stevenb.gcc@gmail.com>
12139 PR rtl-optimization/24626
12140 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12141 EDGE_TRUE_VALUE if in RTL mode.
12144 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12145 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12147 2006-01-20 Dirk Mueller <dmueller@suse.com>
12150 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12151 instead of a special NOP marker.
12152 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12153 NOP marker handling.
12154 * c-common.h (empty_body_warning): Add forward declaration.
12155 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12156 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12158 2006-01-20 Paul Brook <paul@codesourcery.com>
12160 * Makefile.in (lang_checks): Keep going if mkdir fails.
12162 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12164 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12165 be able to clean out basic block when not necessary.
12166 (df_scan_free): Fixed to properly delete information if df is
12167 unused before calling df_finish.
12168 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12169 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12171 (df_bb_refs_delete): New function.
12172 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12173 * df-core.c (df_set_blocks): Added code to properly clean out
12174 unused blocks if they are not part of the blocks to consider.
12175 Added additional null check.
12176 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12177 be able to clean out basic block when not necessary
12178 * df.h (df_free_bb_function): Ditto.
12179 (df_bb_refs_delete): New function.
12180 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12181 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12182 basic block parameter to be able to clean out basic block when not
12184 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12185 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12186 Fixed to properly delete information if df is unused before
12189 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12191 PR rtl-optimization/25799
12192 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12193 Corrected confluence operator to remove bits from op2 before oring
12194 with op1 rather than removing bits from op1.
12195 (df_ru_transfer_function): Corrected test on wrong bitmap which
12196 caused infinite loop. Both of these problems were introduced in
12197 the dataflow rewrite.
12199 2006-01-19 DJ Delorie <dj@redhat.com>
12201 * reload1.c (find_reload_regs): Note the details of reload
12202 failures in the dump file.
12203 (spill_failure): Likewise.
12205 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12207 * loop-iv.c: Include df.h and hashtab.h.
12208 (enum iv_grd_result): New enum.
12209 (DF_REF_IV, DF_REF_IV_SET): New macros.
12210 (struct biv_entry): New.
12211 (df, bivs): New global variables.
12212 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12213 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12215 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12216 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12217 analyzed_for_bivness_p, record_biv): New functions.
12218 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12219 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12220 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12222 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12224 (iv_number_of_iterations): Use new interface to iv analysis.
12225 * loop-unroll.c: Do not include varray.h.
12226 (analyze_iv_to_split_insn): Use new interface to iv
12228 * loop-unswitch.c (may_unswitch_on): Ditto.
12229 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12231 (df_bb_modify): Realloc tables to the new index.
12232 (df_find_use): New function.
12233 * df.h (df_find_use): Declare.
12234 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12236 * cfgloop.h (struct rtx_iv): Remove analysed field.
12237 (iv_get_reaching_def): Removed.
12238 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12239 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12240 (loop-iv.o): Add df.h and hashtab.h dependency.
12241 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12243 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12246 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12248 (__floatundisf, __floatundidf): Likewise.
12249 * libgcc2.h (IS_IBM_EXTENDED): Define.
12251 2006-01-19 DJ Delorie <dj@redhat.com>
12253 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12255 2006-01-19 Paul Brook <paul@codesourcery.com>
12257 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12258 as nothrow when unwinding tables are disabled.
12260 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12263 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12264 of bit-field" when in system header.
12266 2006-01-19 DJ Delorie <dj@redhat.com>
12268 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12269 the 16 bit shift limit of the m16c.
12271 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12274 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12275 * config/i386/i386.c (output_set_got): Output the label if we have one
12276 for the TARGET_DEEP_BRANCH_PREDICTION case.
12278 2006-01-19 Jan Hubicka <jh@suse.cz>
12279 H.J. Lu <hongjiu.lu@intel.com>
12280 Evandro Menezes <evandro.menezes@amd.com>
12282 * invoke.texi (generic): Document
12284 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12285 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12286 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12287 (x86_use_incdec, x86_pad_returns): New variables
12288 (TARGET_CPU_DEFAULT_generic): New constant
12289 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12290 (enum processor_type): Add generic32 and generic64.
12291 * i386.md (cpu attribute): Add generic32/generic64
12292 (movhi splitter): Behave sanely when both partial_reg_dependency and
12293 partial_reg_stall are set.
12294 (K8 splitters): Enable for generic as well.
12295 * predicates.md (incdec_operand): Use TARGET_INCDEC
12296 (aligned_operand): Avoid memory mismatch stalls.
12297 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12298 * ppro.md: Enable for generic32
12299 * i386.c (generic64_cost, generic32_cost): New.
12300 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12301 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12302 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12303 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12304 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12305 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12306 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12307 x86_accumulate_outgoing_args, x86_prologue_using_move,
12308 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12309 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12310 Enable for generic.
12311 (x86_use_incdec, x86_pad_returns): New.
12312 (override_options): Add generic32 and generic64, translate "generic"
12313 to generic32/generic64 and "i686" to "generic32", refuse
12314 "generic32"/"generic64" as arch target.
12315 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12316 (ix86_reorg): Honor PAD_RETURNS.
12318 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12320 * tree-pretty-print.c (dump_generic_node): Handle
12321 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12322 * cgraph.c (cgraph_expand_queue): Rename from
12323 cgraph_analyze_queue. Update all users.
12324 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12325 cgraph_expand_queue.
12326 (cgraph_expand_all_functions): Likewise.
12327 (cgraph_finalize_pending_functions): Remove. Update callers.
12329 * tree.h (OMP_DIRECTIVE_P): Define.
12330 (OMP_PARALLEL_FN): Define.
12331 (OMP_PARALLEL_DATA_ARG): Define.
12332 (OMP_SECTIONS_SECTIONS): Define.
12333 * tree-pass.h (pass_expand_omp): Declare.
12334 * omp-low.c (struct omp_region): Declare.
12335 (struct omp_context): Remove fields 'parallel_type',
12336 'parallel_start_ix' and 'parallel_start_additional_args'.
12338 (struct omp_for_data): Rename from struct expand_omp_for_data.
12339 (omp_regions): New static variable.
12340 (root_omp_region): New static variable.
12341 (find_omp_clause): Make static.
12342 (is_in_combined_parallel_ctx): Remove.
12343 (is_combined_parallel): New.
12344 (extract_omp_for_data): Move earlier in the file.
12345 (workshare_safe_to_combine_p): New.
12346 (get_ws_args_for): New.
12347 (determine_parallel_type): Move earlier in the file.
12348 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12350 (omp_copy_decl): Likewise.
12351 (create_omp_child_function): Likewise.
12352 (lookup_omp_region): New.
12353 (dump_omp_region): New.
12354 (debug_omp_region): New.
12355 (debug_all_omp_regions): New.
12356 (new_omp_region): New.
12357 (scan_omp_parallel): If parallel_nesting_level > 1, the
12358 directive is nested within another parallel directive.
12359 Set OMP_PARALLEL_FN.
12360 (scan_omp_for): Do not try to handle combined parallel+for
12362 Remove FIXME comment.
12363 (scan_omp_nested): Remove.
12364 (scan_omp_1): Do not call scan_omp_nested when
12365 parallel_nesting_level is > 1.
12366 Do not change the DECL_CONTEXT of local variables found.
12367 (lookup_decl_in_outer_ctx): New.
12368 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12369 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12370 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12371 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12372 If CTX is nested, lookup VAR in the outer context when
12373 building copy assignment.
12374 (lower_send_clauses): Rename from expand_send_clauses.
12375 If CTX is nested, lookup VAR in the outer context when
12376 building copy assignments.
12377 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12378 If CTX is nested, lookup VAR in the outer context when
12379 building copy assignments.
12380 (expand_parallel_call): Rename from build_parallel_call.
12381 Handle combined parallel+workshare cases.
12382 Re-implement to emit code into the CFG.
12384 (expand_omp_parallel): Re-implement to emit code into the CFG.
12385 Call move_sese_region_to_fn to outline the sub-graph
12386 containing the parallel region.
12387 (expand_omp_for_1): Remove.
12388 (expand_omp_for_generic): Re-implement to emit code into the
12390 (expand_omp_for_static_nochunk): Likewise.
12391 (expand_omp_for_static_chunk): Likewise.
12392 (expand_omp_for): Likewise.
12393 (expand_omp_sections): Likewise.
12394 (remove_exit_barriers): New.
12395 (expand_omp_synch): New.
12397 (build_omp_regions_1): New.
12398 (build_omp_regions): New.
12399 (execute_expand_omp): New.
12400 (gate_expand_omp): New.
12401 (pass_expand_omp): Define.
12402 (lower_omp_sections): Rename from expand_omp_sections.
12403 Set OMP_SECTIONS_SECTIONS.
12404 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12405 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12406 (lower_omp_single): Rename from expand_omp_simple.
12407 (lower_omp_master): Rename from expand_omp_master.
12408 (lower_omp_ordered): Rename from expand_omp_ordered.
12409 (lower_omp_critical): Rename from expand_omp_critical.
12410 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12411 (lower_omp_for): Re-implement.
12412 (lower_omp_parallel): Re-implement.
12413 (lower_regimplify): Rename from expand_regimplify.
12414 (lower_omp_1): Rename from expand_omp_1.
12415 If there are syntax errors in the program, replace every
12416 OpenMP directive with NOP.
12417 Call lower_omp_* instead of expand_omp_*.
12418 (lower_omp): Rename from expand_omp.
12420 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12421 * tree-gimple.h (enum omp_parallel_type): Remove.
12422 (gimple_boolify): Declare extern.
12423 (find_omp_clause, determine_parallel_type): Remove.
12425 * gimple-low.c (lower_omp_directive): New.
12426 (lower_stmt): Call it.
12427 (record_vars_into): Move from ...
12428 (record_vars): ... here.
12429 Call record_vars_into with current_function_decl.
12431 * gimplify.c (struct gimplify_ctx): Remove fields
12432 combined_pre_p and combined_ctxp. Update users.
12433 (get_formal_tmp_var): Add documentation.
12434 (gimple_boolify): Make extern.
12435 (gimplify_expr_in_ctx): Remove. Update callers.
12436 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12437 will always be a BIND_EXPR.
12438 (gimplify_expr): Handle OMP_RETURN_EXPR.
12439 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12440 (OMP_PARALLEL): Add 3 operands.
12441 (OMP_SECTIONS): Add 1 operand.
12442 (OMP_RETURN_EXPR): Define.
12444 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12445 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12446 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12447 creating a circular free list.
12448 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12450 * tree-flow.h (move_sese_region_to_fn): Declare.
12451 (record_vars_into): Declare.
12452 * tree-cfg.c (make_omp_sections_edges): New.
12453 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12454 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12455 OMP_SECTIONS and OMP_SECTION.
12456 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12457 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12458 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12459 (gather_blocks_in_sese_region): New.
12460 (struct move_stmt_d): Declare.
12461 (move_stmt_r): New.
12462 (move_block_to_fn): New.
12463 (move_sese_region_to_fn): New.
12465 * passes.c (init_optimization_passes): Schedule
12466 pass_expand_omp after pass_init_datastructures.
12468 * tree-ssa-operands.c (get_expr_operands): Handle
12469 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12470 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12472 2006-01-19 Jeff Law <law@redhat.com>
12474 * tree-vrp.c (extract_range_from_assert): Refine the result range
12475 if the variable referenced by the ASSERT_EXPR has a range and
12476 either the tentative result range or the previous range is a
12479 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12481 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12483 2006-01-19 Jan Hubicka <jh@suse.cz>
12485 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12487 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12489 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12490 (expand_compound_operation, expand_field_assignment): Fail if the
12491 bit lengths of an extract operation are out of range.
12492 (make_extraction): Compute wanted_inner_mode based on the position
12493 and length of the extraction. Make it extraction_mode for non-constant
12494 positions, and do not modify offset in that case. When generating a
12495 new MEM, use a mode that can hold the extraction while keeping correct
12496 alignment. Remove code that supported MEMs wrapped by USEs.
12497 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12499 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12501 * config/s390/s390.md ("Y", "y"): New mode attribute.
12502 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12503 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12504 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12505 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12506 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12507 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12508 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12509 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12510 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12511 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12512 "addsi3", "subsi3"): Insn patterns removed.
12513 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12514 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12515 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12516 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12517 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12518 "*sub<mode>3_cconly2"): New insn patterns.
12519 ("addsi3", "subsi3"): New expanders.
12521 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12523 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12524 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12525 existing STMT_VINFO_VECTYPE if available.
12526 (vect_mark_relevant): Add special handling for stmts that are
12527 marked as STMT_VINFO_IN_PATTERN_P.
12528 (vect_analyze_loop): Call vect_pattern_recog.
12529 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12530 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12532 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12533 (vect_recog_func_ptr): New function-pointer type.
12534 * tree-vect-patterns.c: New file.
12535 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12536 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12537 (vect_pattern_recog_1): New functions.
12538 (vect_pattern_recog_funcs): New array of function pointers.
12540 * tree-vectorizer.h (ternary_op): New enum value.
12541 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12542 declaration. Revised documentation. Removed redundant dump prints.
12543 Removed redundant argument. Added support for reduction patterns.
12544 (vectorizable_reduction): Added support for reduction patterns.
12545 (vect_transform_stmt): Added support for patterns.
12547 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12548 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12549 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12550 (expand_widen_pattern_expr): New function.
12551 (init_optabs): Initialize new optabs udot_prod_optab,
12553 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12554 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12555 (expand_widen_pattern_expr): New function declaration.
12556 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12558 * tree-inline.c (estimate_num_insns_1): Added cases for new
12559 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12560 * tree-pretty-print.c (dump_generic_node): Likewise.
12561 (op_prio): Likewise.
12562 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12563 * tree-ssa-operands.c (get_expr_operands): Added case for
12565 * tree-vect-patterns.c (widened_name_p): New function.
12566 (vect_recog_dot_prod_pattern): Added function implementation.
12567 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12568 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12569 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12570 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12572 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12573 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12574 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12575 (init_optabs): Initialize new optabs widen_ssum_optab,
12577 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12578 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12579 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12580 use instead of type of def.
12581 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12582 function implementation.
12583 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12584 widen_ssumv8hi): New.
12586 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12589 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12592 * c-decl.c (add_flexible_array_elts_to_size): New function.
12593 (finish_decl): Use it.
12595 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12597 * diagnostic.h: Include options.h.
12598 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12599 dependancies for diagnostic.h.
12600 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12602 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12604 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12605 (ssa_ro_call_cache_valid): Ditto.
12606 * tree-ssa-alias.c (sort_tags_by_id): New function.
12607 (init_transitive_clobber_worklist): Ditto.
12608 (add_to_worklist): Ditto.
12609 (mark_aliases_call_clobbered): Ditto.
12610 (compute_tag_properties): Ditto.
12611 (set_initial_properties): Ditto.
12612 (compute_call_clobbered): Ditto.
12613 (compute_may_aliases): Call compute_call_clobbered and grouping.
12614 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12615 (compute_flow_insensitive_aliasing): Grouping now happens in our
12617 (setup_pointers_and_addressables): Remove clobbering related code.
12618 (add_may_alias): Ditto.
12619 (replace_may_alias): Ditto.
12620 (get_nmt_for): Ditto.
12621 (create_global_var):
12622 (is_escape_site): Return an escape_type enumeration.
12623 * tree-flow-inline.h (is_call_clobbered): Global var does not
12624 imply call clobbered.
12625 (mark_call_clobbered): Take a reason for marking this. Remove
12626 marking of globalness, and cache invalidation.
12627 (clear_call_clobbered): Remove cache invalidation code.
12628 * tree-dfa.c (dump_variable): If details is on, dump the reason
12630 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12632 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12633 (struct var_ann_d): Ditto.
12634 (enum escape_type): New.
12635 (mark_call_clobbered): Adjust prototype.
12636 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12637 are never call clobbered.
12638 Record reasons for escaping.
12639 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12640 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12641 (ssa_ro_call_cache_valid): Ditto.
12642 (clobbered_v_may_defs): Ditto.
12643 (clobbered_vuses): Ditto.
12644 (ro_call_vuses): Ditto.
12645 (clobber_stats): New.
12646 (init_ssa_operands): Zero out clobber stats.
12647 (fini_ssa_operands): Print out clobber stats.
12648 (get_call_expr_operands): Pass callee fndecl to
12649 add_call_read_ops).
12650 (add_call_clobber_ops): Remove use of cache.
12651 Add use of PURE_CONST information.
12652 (add_call_read_ops): Remove use of cache.
12653 Add use of static not_read information.
12655 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12657 Introduce TLS descriptors for i386 and x86_64.
12658 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12659 (TARGET_ANY_GNU_TLS): New macro.
12660 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12661 (struct machine_function): Add tls_descriptor_call_expanded_p.
12662 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12663 (ix86_current_function_calls_tls_descriptor): Likewise.
12664 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12665 (override_options): Introduce gnu2 tls dialect.
12666 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12668 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12670 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12671 (ix86_init_machine_status): Initialize new field.
12672 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12673 (ix86_tls_module_base): New.
12674 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12675 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12676 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12677 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12678 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12679 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12680 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12681 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12682 * config/i386/predicates.md (tls_modbase_operand): New.
12683 (tp_or_register_operand): New.
12685 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12687 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12688 (look_for_address_of): Ditto.
12689 (ipa_init): Walk the function decls.
12690 (static_execute): Don't set readonly on FUNCTION_DECL's.
12692 2006-01-18 Roger Sayle <roger@eyesopen.com>
12694 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12695 for shifts where the source and destination registers are different.
12697 2006-01-18 Paul Brook <paul@codesourcery.com>
12699 Merge from csl-arm-branch.
12700 2005-03-14 Julian Brown <julian@codesourcery.com>
12701 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12702 (aeabi_llsl): Likewise.
12703 (ashrdi3): Likewise.
12704 (aeabi_lasr): Likewise.
12705 (lshrdi3): Likewise.
12706 (aeabi_llsr): Likewise.
12707 2005-03-10 Julian Brown <julian@codesourcery.com>
12708 * config.gcc: Disable shared libgcc for SymbianOS.
12709 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12711 2006-01-18 DJ Delorie <dj@redhat.com>
12713 * c-pragma.c (handle_pragma_diagnostic): New.
12714 (init_pragma): Register it.
12715 * doc/extend.texi: Document it.
12717 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12718 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12719 (diagnostic_context): Add classify_diagnostic[].
12720 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12721 as errors if they're overridden to DK_WARNING.
12722 (diagnostic_initialize): Initialize classify_diagnostic[].
12723 (diagnostic_set_kind_override): New.
12724 (diagnostic_report_diagnostic): Check for kind changes.
12725 * opts.c (common_handle_option): Take lang_mask. Update callers.
12726 Handle OPT_Werror_.
12727 * common.opt (Werror=): New.
12728 * doc/invoke.texi: Document -Werror=*
12730 2006-01-18 Jeff Law <law@redhat.com>
12732 * tree-vrp.c (test_for_singularity): Correct test for new
12733 min limit. Use operand_equal_p rather than pointer equality
12734 for testing if new min/max values are equal.
12736 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12737 using range information until after propagation and folding.
12739 2006-01-18 Richard Henderson <rth@redhat.com>
12740 Aldy Hernandez <aldyh@redhat.com>
12741 Jakub Jelinek <jakub@redhat.com>
12742 Diego Novillo <dnovillo@redhat.com>
12744 * omp-low.c: New file.
12745 * c-omp.c: New file.
12747 2006-01-18 Richard Henderson <rth@redhat.com>
12748 Jakub Jelinek <jakub@redhat.com>
12749 Diego Novillo <dnovillo@redhat.com>
12751 * doc/invoke.texi: Document -fopenmp.
12752 * tree-dump.h (debug_function): Declare.
12753 * hooks.c (hook_bool_tree_bool_false): New function.
12754 (hook_tree_tree_null): Remove.
12755 (hook_tree_tree_tree_null): New.
12756 * hooks.h: Update to match.
12757 * tree-pretty-print.c (debug_tree_chain): New.
12758 (print_generic_expr): Handle TDF_CHAIN.
12759 (dump_generic_node): Handle BLOCK.
12760 Do not abort with incomplete SWITCH_EXPRs.
12761 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12762 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12763 print space after directive name.
12764 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12765 Handle OMP_MASTER and OMP_ORDERED.
12766 Handle printing of OMP_BODY just in one place, goto
12767 dump_omp_body in the rest of OMP_* nodes that have
12769 Don't handle clause nodes here. Update omp statements to
12770 use dump_omp_clauses.
12771 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12772 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12773 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12774 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12775 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12776 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12777 Adjust output for GOMP_PARALLEL.
12778 (dump_omp_clauses): New.
12779 (print_declaration): Dump DECL_VALUE_EXPR.
12780 (op_symbol_1): Split out of op_symbol.
12781 (dumping_stmts): Remove. Update all users.
12782 * cgraph.c (cgraph_analyze_queue): New.
12783 (cgraph_add_new_function): New.
12784 * cgraph.h (cgraph_analyze_queue): Declare.
12785 (cgraph_add_new_function): Declare.
12786 (cgraph_lower_function): Remove.
12787 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12788 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12789 and TYPE_P nodes in its default clause.
12790 (empty_body_p): New.
12791 (tree_range_check_failed): New.
12792 (build5_stat): New.
12793 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12794 OMP_CLAUSE_REDUCTION_MERGE,
12795 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12796 OMP_CLAUSE_PRIVATE_DEBUG,
12797 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12798 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12799 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12800 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12801 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12802 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12803 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12804 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12805 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12806 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12807 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12808 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12809 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12810 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12811 (TREE_RANGE_CHECK): New.
12812 (empty_body_p): Declare.
12813 (enum omp_clause_default_kind): New.
12814 (build_string_literal): Declare.
12815 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12816 (build5_stat, build5): Declare.
12817 * tree-pass.h (TDF_CHAIN): Define.
12818 * tree-pass.h (PROP_gimple_lomp): Define.
12819 (pass_lower_omp): Declare.
12820 * diagnostic.h (debug_tree_chain): Declare.
12821 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12823 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12824 * builtins.c (build_string_literal): Make extern.
12825 * gcc.c (include_spec_function): New.
12826 (static_spec_functions): Add it.
12827 (main): Move load of libgomp.spec ...
12828 (LINK_COMMAND_SPEC): ... here.
12829 (link_gomp_spec): New.
12830 (static_specs): Include it.
12831 (LINK_COMMAND_SPEC): Add link_gomp.
12832 (GOMP_SELF_SPECS): New.
12833 (driver_self_specs): Include it.
12834 (switch_matches): Don't mark inline.
12835 (main): Load libgomp.spec.
12836 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12837 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12838 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12839 * tree-gimple.h (enum omp_parallel): Declare.
12840 (determine_parallel_type): Declare.
12841 (omp_firstprivatize_variable): Declare.
12842 (omp_reduction_init): Declare.
12843 (diagnose_omp_structured_block_errors): Declare.
12844 (struct walk_stmt_info): Add want_return_expr.
12845 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12846 (find_omp_clause): Declare.
12847 (insert_field_into_struct): Declare.
12848 (struct walk_stmt_info): Move from tree-nested.c
12849 (walk_stmts): Declare.
12850 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12852 * cgraphunit.c (cgraph_lower_function): Make static.
12853 (cgraph_finalize_pending_functions): New.
12854 (cgraph_finalize_function): Call it.
12855 (cgraph_finalize_compilation_unit): Likewise.
12856 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12857 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12858 (BT_FN_UINT_UINT): New.
12859 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12860 DEF_FUNCTION_TYPE_VAR_4): Document.
12861 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12862 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12863 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12864 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12865 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12866 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12867 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12868 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12869 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12870 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12871 into separate files.
12872 (DEF_GOMP_BUILTIN): New.
12873 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12874 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12875 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12876 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12877 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12878 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12879 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12880 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12881 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12882 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12883 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12884 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12885 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12886 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12887 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12888 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12889 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12890 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12891 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12892 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12893 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12894 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12895 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12896 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12897 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12898 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12899 * sync-builtins.def: New file, moved from builtins.def.
12900 * omp-builtins.def: New file, moved from builtins.def.
12901 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12902 * gimple-low.c (lower_function_body): Clear data.
12903 (lower_stmt): Do not handle COMPOUND_EXPR.
12904 Remove call to print_node_brief.
12905 * c-tree.h (c_finish_omp_clauses): New prototype.
12906 (C_DECL_THREADPRIVATE_P): Define.
12907 (lookup_name_no_remap, c_omp_remap_private): Remove
12908 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12909 (check_for_loop_decls): Update decl.
12910 (lookup_name_no_remap, c_omp_remap_private): Declare.
12911 (build_indirect_ref, build_modify_expr, pushdecl,
12912 pushdecl_top_level): Move to c-common.h.
12913 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12914 before the switch, but just in the 2 places that need it.
12915 * c-decl.c (diagnose_mismatched_decls): Do not check for
12916 mismatched thread-local attributes when OLDDECL is marked
12917 threadprivate and NEWDECL has no thread-local attributes.
12918 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12919 (c_gimple_diagnostics_recursively): Rename from
12920 c_warn_unused_result_recursively. Invoke
12921 diagnose_omp_structured_block_errors.
12922 (check_for_loop_decls): Return a singular decl found.
12923 * langhooks.c (lhd_omp_predetermined_sharing): Return
12924 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12925 (lhd_omp_firstprivatize_type_sizes): New.
12926 (lhd_omp_assignment): New.
12927 (lhd_omp_predetermined_sharing): New.
12928 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12929 (struct lang_hooks_for_types): Add
12930 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12931 omp_predetermined_sharing, omp_disregard_value_expr,
12932 omp_private_debug_clause, omp_clause_default_ctor,
12933 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12934 (c_finish_omp_clauses): New.
12935 (c_finish_bc_stmt): Diagnose break within omp for.
12936 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12937 (build_unary_op): Return error_mark after reporting
12939 (build_modify_expr): Likewise.
12940 * gimplify.c: Include optabs.h and pointer-set.h.
12941 (enum gimplify_omp_var_data): Declare.
12942 (struct gimplify_omp_ctx): Declare.
12943 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12945 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12946 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12947 (splay_tree_compare_decl_uid): New.
12948 (new_omp_context): New.
12949 (delete_omp_context): New.
12950 (gimple_add_tmp_var): Call omp_add_variable.
12951 (gimplify_bind_expr): Likewise.
12952 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12953 true, disregard DECL_VALUE_EXPR on the decl if any.
12954 (gimplify_expr_in_ctx): New.
12955 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12956 omp_add_variable, omp_notice_variable, omp_is_private
12957 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12958 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12959 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12960 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12961 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12962 gimplify_omp_atomic): New.
12963 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12964 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12965 OMP_CRITICAL and OMP_ATOMIC.
12966 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12967 * c-pragma.h (enum pragma_kind): Add
12968 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12969 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12970 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12971 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12972 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12973 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12974 PRAGMA_OMP_THREADPRIVATE.
12975 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12976 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12977 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12978 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12979 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12980 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12981 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12982 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12983 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12984 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12985 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12986 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12987 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12989 (struct nesting_info): Add field_map,
12990 suppress_expansion, debug_var_chain.
12991 (create_nesting_tree): Initialize them.
12992 (lookup_field_for_decl): Use field_map.
12993 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12994 (convert_local_omp_clauses): New.
12995 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12996 (walk_body): Split out of walk_function.
12997 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12998 (convert_nonlocal_reference): Handle omp statements.
12999 (convert_local_reference): Likewise.
13000 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13001 (unnest_nesting_tree): New.
13002 (lower_nested_functions): Call it.
13003 (insert_field_into_struct): Make extern.
13004 (struct walk_stmt_info): Move to tree-gimple.h.
13005 (walk_stmts): Make extern.
13006 * omp-builtins.def: New file.
13007 * tree-iterator.c (expr_only): Clarify comment.
13008 * c-common.h (pushdecl_top_level, pushdecl,
13009 build_modify_expr, build_indirect_ref,
13010 c_finish_omp_master, c_finish_omp_critical,
13011 c_finish_omp_ordered, c_finish_omp_barrier,
13012 c_finish_omp_atomic, c_finish_omp_flush,
13013 c_finish_omp_for, c_split_parallel_clauses,
13014 omp_clause_default_kind, c_omp_sharing_predetermined,
13015 c_omp_remap_decl): Declare.
13016 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13017 (OBJS-common): Add omp-low.o.
13018 (c-omp.o, omp-low.o): Add.
13019 (gimplify.o): Add dependency on $(OPTABS_H).
13020 (GTFILES): Add omp-low.c.
13021 (gt-stringpool.h): Add.
13022 * tree-cfg.c (set_bb_for_stmt): Do not update the
13023 block-to-labels map if we are currently expanding to RTL.
13024 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13026 Handle IDENTIFIER_NODE.
13027 (tree_verify_flow_info): Do not ICE when emitting error
13028 messages about invalid labels.
13029 (dump_function_to_file): Reset CFUN before emitting the body
13031 (debug_function): New.
13032 * passes.c (init_optimization_passes): Schedule
13034 * langhooks-def.h (lhd_omp_predetermined_sharing,
13035 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13037 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13038 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13039 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13040 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13041 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13042 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13043 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13044 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13045 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13046 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13047 (LANG_HOOK_DECLS): Use them.
13049 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13050 Richard Henderson <rth@redhat.com>
13051 Jakub Jelinek <jakub@redhat.com>
13052 Diego Novillo <dnovillo@redhat.com>
13054 * c-parser.c (pragma_omp_clause): Define.
13055 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13056 (c_parser_compound_statement): Likewise.
13057 (c_parser_statement): Likewise.
13058 (c_parser_pragma): Handle omp pragmas.
13059 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13060 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13061 (c_parser_omp_clause_name, check_no_duplicate_clause,
13062 c_parser_omp_variable_list,
13063 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13064 c_parser_omp_clause_copyprivate,
13065 c_parser_omp_clause_default,
13066 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13067 c_parser_omp_clause_lastprivate,
13068 c_parser_omp_clause_nowait,
13069 c_parser_omp_clause_num_threads,
13070 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13071 c_parser_omp_clause_reduction,
13072 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13073 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13074 c_parser_omp_atomic, c_parser_omp_barrier,
13075 c_parser_omp_critical, c_parser_omp_flush,
13076 c_parser_omp_for_loop, c_parser_omp_for,
13077 c_parser_omp_master, c_parser_omp_ordered,
13078 c_parser_omp_sections_scope, c_parser_omp_sections,
13079 c_parser_omp_parallel, c_parser_omp_single,
13080 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13081 * c-pragma.c (init_pragma): Do omp pragma registration here.
13082 * c.opt (fopenmp): New flag.
13084 2006-01-18 Eric Christopher <echristo@apple.com>
13086 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13087 * config/darwin.h (GOMP_SELF_SPECS): Define.
13089 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13091 * rtl.h: Remove the prototype for reg_alloc.
13093 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13096 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13097 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13098 sjlj and dwarf2 exception handling.
13099 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13100 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13101 * pa/pa.c (function_value): Treat complex and vector types as
13103 (function_arg): Likewise. Only pass scalar floats in the floating
13104 point argument registers.
13105 * pa/t-slibgcc-dwarf-ver: New file.
13106 * pa/t-slibgcc-sjlj-ver: New file.
13107 * pa/t-slibgcc-elf-ver: Delete file.
13109 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13111 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13112 unlikely_test_section_p test.
13114 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13116 * mode-switching.c (optimize_mode_switching): Make it static.
13117 * basic-block.h: Remove the prototype for
13118 optimize_mode_switching.
13120 * modulo-sched.c (sms_schedule): Make it static.
13121 * rtl.h: Remove the prototype for sms_schedule.
13123 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13124 * rtl.h: Remove the prototype for gcse_after_reload_main.
13126 * reg-stack.c (reg_to_stack): Make it static.
13127 * rtl.h: Remove the prototype for reg_to_stack.
13129 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13131 * rtl.h: Remove the prototypes for regrename_optimize and
13132 copyprop_hardreg_forward.
13134 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13136 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13137 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13138 Test against the appropriate null constant for the mode.
13139 If 'fixup_overlap' is true, swap the operands if they overlap.
13140 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13141 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13142 alpha_split_tmode_pair and adjust for above change.
13143 * config/alpha/alpha.md (movtf_internal): Adjust call to
13144 alpha_split_tfmode_pair and rely on it to swap the operands.
13145 (movti_internal): New insn and post-reload splitter.
13146 (movti): New expander.
13148 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13150 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13153 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13155 * rtlanal.c (global_reg_mentioned_p_1,
13156 global_reg_mentioned_p): Remove.
13157 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13159 * flow.c (initialize_uninitialized_subregs): Make it static.
13160 * rtl.h: Remove the prototype for
13161 initialize_uninitialized_subregs.
13163 * function.c (instantiate_virtual_regs): Make it static.
13164 * function.h: Remove the prototype for
13165 instantiate_virtual_regs.
13167 * regmove.c (regmove_optimize, combine_stack_adjustments):
13169 * rtl.h: Remove the prototypes for regmove_optimize and
13170 combine_stack_adjustments.
13172 2006-01-17 Roger Sayle <roger@eyesopen.com>
13174 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13175 (size_cost): Encode costs in bytes so that a reg-reg addition is
13176 equivalent to COSTS_N_INSNS(1).
13177 (override_options): Use the size_cost.branch_cost as the default
13178 ix86_branch_cost when optimizing for size.
13180 2006-01-18 Ben Elliston <bje@au.ibm.com>
13182 * Makefile.in (D32PBIT_FUNCS): New.
13183 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13184 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13185 D64PBIT_FUNCS and D128PBIT_FUNCS.
13186 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13187 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13189 (decnumber_dep): Define.
13190 * doc/libgcc.texi (Decimal float library routines): New node.
13191 * config/dfp-bit.h, config/dfp-bit.c: New files.
13193 2006-01-18 Ben Elliston <bje@au.ibm.com>
13195 * expr.c (emit_move_change_mode): Always adjust addresses, not
13196 just during reload. Copy replacements only during reload.
13197 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13198 emit_move_via_integer.
13200 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13202 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13203 instead of $(srcdir) and ${srcdir}.
13205 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13208 PR middle-end/11135
13209 * arm.h (struct machine_function): Add pic_reg.
13210 * arm.c (arm_pic_register): Make unsigned.
13211 (arm_override_options): Only set arm_pic_register if
13212 TARGET_SINGLE_PIC_BASE.
13213 (use_return_insn): Only test for a pic register if it is fixed.
13214 (arm_compute_save_reg0_reg12_mask): Likewise.
13215 (thumb_compute_save_reg_mask): Likewise.
13216 (legitimate_pic_operand): Factor out some known invariants.
13217 (legitimize_pic_address): If we don't have a fixed pic register,
13218 then set up a pseudo in the function entry sequence. Handle the
13219 pic base being in a pseudo.
13220 (arm_load_pic_register): Handle the pic register being in a pseudo.
13221 (arm_expand_prologue): Only set up the pic register if it is fixed.
13222 (thumb_expand_prologue): Likewise.
13223 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13224 (pic_load_addr_based_insn): Likewise.
13225 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13228 2006-01-18 Ben Elliston <bje@au.ibm.com>
13230 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13231 decimal float modes for all floating point registers.
13233 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13234 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13236 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13239 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13240 even when the pointer is not NULL.
13242 2006-01-16 Ian Lance Taylor <ian@airs.com>
13244 * common.opt (ftoplevel-reorder): New option.
13245 * cgraph.c (cgraph_asm_nodes): New global variable.
13246 (cgraph_asm_last_node): New static variable.
13247 (cgraph_order): New global variable.
13248 (cgraph_create_node): Set new order field.
13249 (cgraph_varpool_node): Likewise.
13250 (decide_is_variable_needed): Return true if not
13251 flag_toplevel_reorder.
13252 (cgraph_add_asm_node): New function.
13253 * cgraph.h (struct cgraph_node): Add order field.
13254 (struct cgraph_varpool_node): Add order field.
13255 (struct cgraph_asm_node): Define.
13256 (cgraph_asm_nodes, cgraph_order): Declare.
13257 (cgraph_add_asm_node): Declare.
13258 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13260 (cgraph_varpool_assemble_pending_decls): Call it.
13261 (cgraph_output_pending_asms): New static function.
13262 (cgraph_finalize_compilation_unit): Call it.
13263 (struct cgraph_order_sort): Define.
13264 (cgraph_output_in_order): New static function.
13265 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13266 !flag_toplevel_reorder case.
13267 * c-parser.c: Include "cgraph.h".
13268 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13270 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13271 than -fno-unit-at-a-time.
13272 * doc/invoke.texi (Option Summary): Mention
13273 -fno-toplevel-reorder.
13274 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13275 -funit-at-a-time documentation.
13277 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13278 Kazu Hirata <kazu@codesourcery.com>
13280 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13282 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13284 * Makefile.in (FUNCTION_H): New. Use it instead of
13285 function.h throughout the file.
13286 * function.h: Include tree.h.
13288 2006-01-17 Ben Elliston <bje@au.ibm.com>
13290 * recog.c: Separate some functions with whitespace.
13292 2006-01-16 Richard Henderson <rth@redhat.com>
13294 Merge from gomp branch:
13295 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13296 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13297 and rename from struct inline_data. Rename callee* to dst*;
13298 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13299 transform_new_cfg, transform_return_to_modify, and
13300 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13302 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13303 (copy_decl_for_dup): Remove.
13304 * tree-inline.c (struct inline_data): Move to header.
13305 (insert_decl_map): Export.
13306 (remap_decl): Update for member name changes. Use copy_decl hook.
13307 Allow for replacement to be a non-decl. Remove dead code.
13308 (remap_type_1): Check for existing mapping.
13309 (remap_type): Export.
13310 (remap_decls): Update for member name changes.
13311 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13312 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13313 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13314 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13315 (tree_function_versioning, build_duplicate_type): Likewise.
13316 (copy_body_r): Likewise. Export.
13317 (copy_decl_for_dup): Split into ...
13318 (copy_decl_for_dup_finish, copy_decl_to_var,
13319 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13320 (replace_ref_tree, inlining_p): Remove.
13322 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13324 * ifcvt.c (if_convert): Make it static.
13325 * rtl.h: Remove the prototype for if_convert.
13327 * local-alloc.c (local_alloc): Make it static.
13328 * rtl.h: Remove the prototype for local_alloc.
13330 * loop.c (loop_optimize): Make it static.
13331 * cfgloop.h: Remove the prototype for loop_optimize.
13334 2006-01-16 DJ Delorie <dj@redhat.com>
13336 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13339 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13341 * pa.md: Disparage copies between general and floating-point registers
13342 in 32-bit move patterns.
13344 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13347 * Makefile.in (check-%): Depend on site.exp instead of
13348 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13351 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13353 * global.c (global_alloc): Make it static.
13354 * rtl.h: Remove the prototype for global_alloc.
13356 2006-01-16 Richard Guenther <rguenther@suse.de>
13358 * tree-ssa-alias.c (struct used_part): Add write_only field.
13359 (get_or_create_used_part_for): Initialize it to true.
13360 (create_overlap_variables_for): Don't create structure variables
13361 for structures that only are written to.
13362 (find_used_portions): Handle MODIFY_EXPR to track whether a
13363 structure is only written to.
13365 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13367 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13369 * basic-block.h: Remove the prototype for
13370 partition_hot_cold_basic_blocks.
13372 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13374 * cppspec.c (lang_specific_spec_functions): Remove.
13375 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13376 * gcc.h (lang_specific_spec_functions): Remove.
13377 * gccspec.c (lang_specific_spec_functions): Remove.
13379 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13381 * combine.c (record_value_for_reg): Invalidate registers
13383 (record_dead_and_set_regs_1): Likewise, by passing them to
13384 record_value_for_reg.
13385 (record_dead_and_set_regs): Invalidate stores made by a
13386 call. We do not combine across a call, but we still
13387 relied on equivalences.
13389 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13391 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13392 vrp_int_const_binop returning non-constant nodes.
13394 2006-01-16 Paul Brook <paul@codesourcery.com>
13396 * config/m68k/m68k.c (output_move_const_into_data_reg):
13397 Output correct mnemonic for mvz and mvs.
13399 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13401 * rtl-factoring.c: Add sequence abstraction algorithm.
13402 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13403 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13405 (block_has_preserve_label): New function.
13406 * common.opt: Register new pass.
13407 * Makefile.in: Ditto.
13409 * timevar.def: Ditto.
13410 * tree-pass.h: Ditto.
13411 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13412 * rtl.h (make_jump_insn_raw): Add forward decl.
13413 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13415 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13416 Roger Sayle <roger@eyesopen.com>
13418 * fold-const.c (fold_minmax): New static function.
13419 (fold_binary) <MIN_EXPR>: Call it.
13420 <MAX_EXPR>: Likewise.
13421 * stor-layout.c (place_field): Use DECL_SIZE consistently
13422 in the computation of the new record size.
13424 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13426 * cse.c (cse_condition_code_reg): Make it static.
13427 * rtl.h: Remove the prototype for cse_condition_code_reg.
13429 * combine.c (combine_instructions): Make it static.
13430 * rtl.h: Remove the prototype for combine_instructions.
13432 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13435 * tree.c (get_file_function_name_long): Concatenate the first global
13436 object name with a string derived from the input filename of the object
13439 2006-01-16 Ben Elliston <bje@au.ibm.com>
13441 * config/i386/winnt-stubs.c: Update FSF address.
13442 * config/xtensa/ieee754-df.S: Ditto.
13443 * config/xtensa/ieee754-sf.S: Ditto.
13445 2006-01-14 Ian Lance Taylor <ian@airs.com>
13447 * ifcvt.c (noce_init_if_info): New static function, broken out of
13448 noce_process_if_block.
13449 (noce_process_if_block): Call noce_init_if_info.
13450 (check_cond_move_block): New static function.
13451 (cond_move_process_if_block): New static function.
13452 (process_if_block): Call cond_move_process_if_block.
13454 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13456 * cselib.c (hash_table): Rename to cselib_hash_table.
13457 (cselib_clear_table, discard_useless_values,
13458 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13459 cselib_init, cselib_finish): Adjust uses of hash_table.
13461 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13463 PR tree-optimization/25485
13464 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13465 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13466 is known to be false and true, respectively.
13468 2006-01-14 Richard Guenther <rguenther@suse.de>
13470 PR tree-optimization/22548
13471 PR tree-optimization/22555
13472 PR tree-optimization/22501
13473 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13474 * params.def (salias-max-array-elements): New parameter.
13475 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13476 * doc/invoke.texi (salias-max-array-elements): Document.
13477 * tree-flow-inline.h (var_can_have_subvars): We also handle
13479 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13481 * tree-ssa-structalias.c (params.h): Include.
13482 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13483 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13484 (get_constraint_for): For ADDR_EXPR operating on something
13485 containing an ARRAY_REF, add all subvars to the solution.
13486 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13487 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13488 for creating MUST_DEFs.
13489 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13491 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13493 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13495 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13496 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13497 number_of_iterations_le): New functions.
13498 (number_of_iterations_special): Removed.
13499 (number_of_iterations_exit): Do not use number_of_iterations_special.
13500 * tree.c (unsigned_type_for): Always return integer type.
13502 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13503 Richard Guenther <rguenther@suse.de>
13505 PR rtl-optimization/24257
13506 * gcse.c (find_moveable_store): Only consider a store movable
13507 when the SET_SRC of the insn can be assigned to a register.
13509 2006-01-14 Ian Lance Taylor <ian@airs.com>
13511 * tree.c (tree_not_class_check_failed): New function.
13512 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13513 (tree_not_class_check_failed): Declare.
13515 2006-01-13 Ian Lance Taylor <ian@airs.com>
13517 * reload1.c (do_output_reload): Add assertion rejecting a
13520 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13522 * combine.c (struct reg_stat): Add new fields truncation_label and
13524 (record_value_for_reg): Reset truncated_to_mode.
13525 (record_truncated_value): New function.
13526 (check_promoted_subreg): Call it. Rename to check_conversions.
13527 (combine_instructions): Rename check_promoted_subreg to
13529 (reg_truncated_to_mode): New function.
13530 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13531 (gen_lowpart_or_truncate): New function.
13532 (force_to_mode): Use it instead of gen_lowpart.
13534 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13536 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13537 VAR is a tag, not its type tag.
13539 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13541 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13542 alternatives to match style of other entries.
13543 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13545 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13547 PR tree-optimization/25771
13548 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13551 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13554 * tree-inline.c (declare_return_variable): If the return variable
13555 was marked as a non gimple complex, set the return slot variable
13556 to be a non gimple comple variable.
13558 2006-01-13 Richard Guenther <rguenther@suse.de>
13560 * builtins.c (expand_builtin_sincos): New function.
13561 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13563 (expand_builtin): Expand sincos using expand_builtin_sincos.
13565 2006-01-12 DJ Delorie <dj@redhat.com>
13567 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13568 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13569 so that constant shifts can be split.
13570 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13571 (m32c_valid_pointer_mode): Make static.
13572 (shift_gen_func_for): New.
13573 (m32c_prepare_shift): Use it. Split large const shifts into
13575 * config/m32c/predicates.md (shiftcount_operand): Allow more
13577 (longshiftcount_operand): New.
13578 * doc/md.texi (Machine Constraints): Document In6.
13580 2006-01-13 Ben Elliston <bje@au.ibm.com>
13582 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13583 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13586 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13588 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13589 to try to avoid clobbering pieces of structures when we know
13590 something about the whole structure.
13591 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13593 2006-01-13 Ben Elliston <bje@au.ibm.com>
13595 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13596 return in memory, as this is no limitation is no longer present.
13598 2006-01-12 DJ Delorie <dj@redhat.com>
13600 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13601 mova with fb, and for fb+0 -> An.
13603 * config/m32c/mov.md (peephole2): Fix enabling logic.
13605 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13606 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13607 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13608 FINI_ARRAY_SECTION_ASM_OP): Define.
13610 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13612 (m32c_legitimize_reload_address): New logic to reload FB to An.
13613 (m32c_output_reg_push): Add newline.
13614 (m32c_output_reg_pop): Likewise.
13616 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13618 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13620 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13622 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13624 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13626 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13629 2006-01-11 Ben Elliston <bje@au.ibm.com>
13631 * rtlanal.c (find_reg_note): Assert insn is not null.
13633 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13635 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13638 2006-01-11 Jeff Law <law@redhat.com>
13640 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13642 (mark_threaded_blocks, register_jump_thread): New functions.
13643 (thread_through_all_blocks): Remove unwanted argument. No
13644 longer rely on e->aux to communicate thread target info.
13645 Call mark_threaded_blocks. Release the threaded_blocks
13646 bitmap and threaded_edges vector when complete.
13647 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13648 (threaded_blocks): Remove.
13649 (tree_ssa_dominator_optimize): Remove initialization and
13650 finalization of threaded_blocks. Simplify call to
13651 thread_through_all_blocks.
13652 (thread_across_edge): Call register_jump_thread rather than
13653 storing thread information into e->aux.
13654 (free_all_edge_infos): Simplify now that e->aux is no longer
13655 used to communicate with thread_through_all_blocks.
13656 * tree-flow.h (thread_through_all_blocks): Update prototype.
13657 (register_jump_thread): Prototype.
13659 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13661 * df-core.c (df_compact_blocks, df_bb_replace): Use
13662 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13664 2006-01-11 Richard Guenther <rguenther@suse.de>
13666 PR tree-optimization/25734
13667 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13668 stop propagation after successful propagation to the LHS.
13670 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13672 * basic-block.h (control_flow_graph): Change the type of
13673 x_basic_block_info to VEC(basic_block,gc) *.
13674 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13676 (SET_BASIC_BLOCK): New.
13677 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13678 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13679 * cfgbuild.c (find_basic_blocks): Likewise.
13680 * cfglayout.c (fixup_reorder_chain): Likewise.
13681 * cfgrtl.c (create_basic_block_structure,
13682 rtl_create_basic_block): Likewise.
13683 * ifcvt.c (find_if_case_1): Likewise.
13684 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13687 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13689 * Makefile.in: Removed rotted odf.c entry.
13691 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13694 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13695 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13696 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13697 output pattern modifier, not %e.
13698 * config/cris/cris.c (cris_op_str): Update comment about pattern
13700 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13701 before falling through into...
13702 <case 'E'>: Redefined from old 'e' case.
13704 2006-01-11 Jan Hubicka <jh@suse.cz>
13707 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13709 2006-01-11 Jan Hubicka <jh@suse.cz>
13711 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13712 * i386.c (x86_decompose_lea): Kill.
13713 (ix86_rtx_costs): Kill.
13715 2006-01-11 Jan Hubicka <jh@suse.cz>
13717 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13718 * cgraph.h (cgraph_node): Add inline_decl.
13719 (cgraph_insert_node_to_hashtable): Declare.
13720 (save_inline_function_body): Declare.
13721 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13723 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13724 (cgraph_function_versioning): Update call of tree_function_versioning.
13725 (save_inline_function_body): New function.
13726 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13727 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13728 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13729 (cgraph_default_inline_p): Likewise.
13730 (cgraph_decide_inlining_incrementally): Likewise.
13731 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13732 (copy_bb): Kill saving; do updating of clones.
13733 (copy_cfg_body): Kill saving.
13734 (initialize_inlined-parameters): Likewise.
13735 (expand_call_inline): Likewise.
13737 (tree_function_versioning): New parameter "update_clones".
13738 (inlining_p): Kill saving.
13739 * tree-inline.h (tree_function_versioning): Update prototype.
13740 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13743 2006-01-11 Ian Lance Taylor <ian@airs.com>
13745 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13746 Allow undoing set of machine mode.
13747 (do_SUBST): Use enums instead of is_int.
13748 (do_SUBST_MODE): New function.
13749 (SUBST_MODE): New macro.
13750 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13751 reg and trying to replace reg_regno_rtx with a new register.
13752 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13753 (simplify_set): Use SUBST_MODE.
13754 (distribute_notes): Remove code that tried to update reg notes
13755 for regno_reg_rtx changes.
13757 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13759 PR tree-optimization/23109
13760 PR tree-optimization/23948
13761 PR tree-optimization/24123
13763 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13764 * tree-cfg.c (single_noncomplex_succ): New.
13765 * tree-flow.h (single_noncomplex_succ): Declare it.
13766 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13767 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13768 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13769 insert_bb, register_division_in, insert_reciprocals,
13770 replace_reciprocal, free_bb): New.
13771 (execute_cse_reciprocals_1): Rewritten.
13772 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13773 Do not commit any edge insertion. Always compute dominators and
13774 create the allocation pool.
13775 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13776 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13777 * targhooks.c (default_min_divistions_for_recip_mul): New.
13778 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13779 * passes.c (init_optimization_passes): Run recip after tree loop
13781 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13783 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13784 Kenneth Zadeck <zadeck@naturalbridge.com>
13786 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13787 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13788 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13789 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13790 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13791 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13792 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13793 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13794 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13795 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13796 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13797 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13798 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13799 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13800 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13801 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13802 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13803 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13804 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13805 DF_SCAN_POST_ALLOC): New macros.
13806 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13807 df_free_bb_function, df_local_compute_function, df_init_function,
13808 df_dataflow_function, df_confluence_function_0,
13809 df_confluence_function_n, df_transfer_function,
13810 df_finalizer_function, df_free_function, df_dump_problem_function,
13811 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13812 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13813 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13814 df_urec_bb_info, ) New types.
13815 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13817 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13818 df_analyze_simple_change_some_blocks,
13819 df_analyze_simple_change_one_block, df_compact_blocks,
13820 df_bb_replace, df_bb_regno_last_use_find,
13821 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13822 df_insn_regno_def_p, df_find_def, df_find_use,
13823 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13824 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13825 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13826 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13827 debug_df_chain, df_get_dependent_problem, df_chain_create,
13828 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13829 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13830 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13831 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13832 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13833 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13834 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13835 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13836 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13837 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13838 df_reorganize_refs, df_set_state, df_hard_reg_init,
13839 df_read_modify_subreg_p) New public functions.
13840 * df-core.c: The core dataflow solver and glue routines for rtl
13842 (df_init, df_add_problem, df_set_blocks, df_finish,
13843 df_hybrid_search_forward, df_hybrid_search_backward,
13844 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13845 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13846 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13847 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13848 df_reg_defined, df_find_use, df_reg_used, df_dump,
13849 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13850 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13851 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13852 debug_df_useno, reset_df_after_reload): New functions.
13853 * df-scan.c: The scanning fuctions, once in df.c, completely
13854 rewritten so that they now fully model the functionality of
13855 register usage at the backend.
13856 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13857 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13858 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13859 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13860 df_get_artificial_defs, df_get_artificial_uses,
13861 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13862 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13863 df_refs_delete, df_reorganize_refs, df_set_state,
13864 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13865 df_def_record_1, df_defs_record, df_uses_record,
13866 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13867 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13868 df_record_exit_block_uses, df_hard_reg_init): New functions.
13870 * df-problems.c: Seven concrete dataflow problems that use the
13871 scanning in df-scan.c and are solved by the engine in df-core.c.
13872 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13873 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13874 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13875 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13876 df_ru_free_bb_info, df_ru_alloc,
13877 df_ru_bb_local_compute_process_def,
13878 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13879 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13880 df_ru_transfer_function, df_ru_free, df_ru_dump,
13881 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13882 df_rd_free_bb_info, df_rd_alloc,
13883 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13884 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13885 df_rd_transfer_function, df_rd_free, df_rd_dump,
13886 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13887 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13888 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13889 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13890 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13891 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13892 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13893 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13894 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13895 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13896 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13897 df_urec_mark_reg_use_for_earlyclobber,
13898 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13899 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13900 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13901 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13902 df_chain_create_bb_process_use, df_chain_create_bb,
13903 df_chain_finalize, df_chain_free, df_chains_dump,
13904 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13905 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13906 df_reg_lifetime): New functions.
13907 * df.c: Deleted file.
13908 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13909 consistent with new df api.
13910 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13911 rest_of_handle_sms): Ditto.
13912 * web.c (unionfind_union, union_defs, entry_register, web_main):
13914 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13915 invariant_expr_equal_p, find_defs, check_dependencies,
13916 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13917 free_inv_motion_data, move_loop_invariants): Ditto.
13918 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13919 Update dependencies.
13920 (odf.c): Added defective entry that was deleted later in day.
13921 * sched-deps.c (sched_analyze_1): Ditto.
13923 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13925 * tree-ssa-operands.c (get_expr_operands): Record addressable
13926 variables directly. Do not call add_stmt_operands for CONST_DECLs
13928 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13929 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13931 2006-01-11 Ben Elliston <bje@au.ibm.com>
13933 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13934 function returns true in the positive case.
13936 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13939 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13940 for SI, DI, SF and DF modes. Add alternatives to copy between
13941 general and floating point registers to the 32-bit patterns.
13942 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13943 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13944 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13945 generating 64-bit code.
13946 * config/pa/pa.c (output_move_double): Handle copies between general
13947 and floating registers.
13949 2006-01-10 Stuart Hastings <stuart@apple.com>
13951 * config/i386/i386.md (set_got): Update.
13952 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13953 (builtin_setjmp_receiver): Mach-O support.
13954 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13955 (GOT_SYMBOL_NAME): Define.
13956 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13957 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13958 * config/i386/i386.c (override_options): Revise for Darwin.
13959 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13960 support. (darwin_x86_file_end): New. (output_set_got): Add label
13961 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13962 * config/i386/i386-protos.h (output_set_got): Likewise.
13963 * config/darwin.c (machopic_legitimize_pic_address): Update
13966 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13968 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13969 when MODE isn't BLKmode.
13971 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13973 PR rtl-optimization/25367
13974 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13976 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13979 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13980 for a negative bound.
13982 2006-01-10 Richard Guenther <rguenther@suse.de>
13984 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13985 Never override with anything constraint.
13987 2006-01-10 Jan Beulich <jbeulich@novell.com>
13989 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13990 256 bits when optimize_size.
13992 2006-01-10 Jan Beulich <jbeulich@novell.com>
13994 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13996 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13997 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14000 2006-01-10 Ben Elliston <bje@au.ibm.com>
14002 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14004 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14005 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14006 (USE_FP_FOR_ARG): Reject decimal float modes.
14007 (function_arg_advance): Likewise.
14008 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14009 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14010 point types in AltiVec vectors.
14011 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14012 (rs6000_libcall_value): Likewise.
14014 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14016 * config/xtensa/ieee754-df.S: New file.
14017 * config/xtensa/ieee754-sf.S: New file.
14018 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14019 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14020 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14022 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14024 * config/sh/predicates.md (binary_float_operator,
14025 binary_logical_operator, commutative_float_operator,
14026 equality_comparison_operator, greater_comparison_operator,
14027 less_comparison_operator, logical_operator,
14028 noncommutative_float_operator, shift_operator,
14029 symbol_ref_operand, unary_float_operator): Remove redundant
14032 2006-01-09 Jeff Law <law@redhat.com>
14034 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14035 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14036 now unused arguments. Callers updated.
14037 (eliminate_redundant_computations): Remove now unused arguments,
14039 (local_fold): Remove, no longer used.
14040 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14042 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14043 (simplify_cond): New function.
14044 (forward_propagate_into_cond): Call simplify_cond.
14046 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14048 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14049 (*vec_extractv2di_1_sse): New.
14051 2006-01-09 Ben Elliston <bje@au.ibm.com>
14053 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14055 2006-01-08 Richard Guenther <rguenther@suse.de>
14057 * tree-ssa-structalias.c (get_constraint_for): Remove
14058 anyoffset argument.
14059 (get_constraint_for_component_ref): Likewise.
14060 (do_deref): Likewise.
14061 (get_constraint_for): Likewise.
14062 (do_structure_copy): Likewise.
14063 (handle_ptr_arith): Likewise.
14064 (find_func_aliases): Likewise. Remove unused need_anyoffset
14067 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14068 Kaz Kojima <kkojima@gcc.gnu.org>
14070 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14071 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14072 (EXTRA_CONSTRAINT_C16): Remove.
14073 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14074 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14075 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14076 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14077 constants of SHmedia. Handle nested constant expressions of
14079 (andcosts): Fix the costs for SHmedia constants.
14080 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14081 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14082 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14083 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14084 (movv4hi_i, movv2si_i): Likewise.
14085 (movsi_const): Adjust the second operand of ior so to match with
14086 the Csu constraint.
14087 (movdi_const, movdi_const_32bit): Likewise.
14088 (movdi_const_16bit+1): Don't sign-extend LOW.
14089 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14091 (*double_shori): Fix the split condition. Use GEN_INT instead
14092 of get_int_mode calls. Mask lower 16-bit of the argument of
14094 (sym2GOTPLT): Remove.
14095 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14097 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14098 instead of EXTRA_CONSTRAINT_C16.
14100 2006-01-07 Ian Lance Taylor <ian@airs.com>
14101 David Edelsohn <edelsohn@gnu.org>
14103 PR rtl-optimization/25662
14104 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14105 for constant operands instead of simplify_gen_binary.
14106 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14107 after trying simplify_binary_operation
14109 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14111 * tree.c (iterative_hash_expr): Hash decls based on UID.
14113 2006-01-06 Eric Christopher <echristo@apple.com>
14115 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14116 (TARGET_UNWIND_EMIT): Fix spelling.
14117 * target.h (gcc_target): Add except_table_label.
14118 * except.c (output_function_exception_table): Use.
14119 * varasm.c (default_emit_except_table_label): New.
14120 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14122 (asm_out): Add here.
14123 * output.h (default_emit_except_table_label): Prototype.
14124 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14125 * config/darwin.c (darwin_emit_except_table_label): Define.
14126 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14128 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14130 PR tree-optimization/18527
14131 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14132 number_of_iterations_special, number_of_iterations_exit):
14133 Move base and step of an iv to a single structure. Add
14134 no_overflow flag, and use it in # of iterations analysis.
14135 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14136 folded_casts argument.
14137 (simple_iv): Pass base and step in a structure. Set no_overflow
14139 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14140 Evaluate expensiveness of computing # of iterations instead of
14141 the final expression.
14142 * tree-scalar-evolution.h (affine_iv): New structure.
14143 (simple_iv): Declaration changed.
14144 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14145 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14146 find_givs_in_stmt): Changed due to simple_iv change.
14148 2006-01-06 Jeff Law <law@redhat.com>
14151 * tree-cfg.c (bsi_replace): Rename final argument from
14152 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14153 change (stmt -> orig_stmt).
14154 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14155 (bsi_remove): Add new argument. Remove EH information
14157 (verify_eh_throw_table_statements): New function.
14158 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14160 * tree-optimize.c (execute_free_cfg_annotations): Verify
14161 the EH throw statement table after removing annotations.
14162 * except.h (verify_eh_throw_table_statements): Prototype.
14163 * tree-flow.h (bsi_remove): Update prototype.
14164 * tree-vrp.c (remove_range_assertions): Add new argument to
14166 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14167 * tree-complex.c (expand_complex_div_wide): Likewise.
14168 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14169 * tree-tailcall.c (eliminate_tailcall): Likewise.
14170 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14171 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14172 * tree-nrv.c (tree_nrv): Likewise.
14173 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14174 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14175 (combine_blocks): Likewise.
14176 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14177 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14178 (cleanup_control_flow): Likewise.
14179 (remove_forwarder_block): Likewise.
14180 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14181 * tree-sra.c (sra_replace): Likewise.
14182 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14183 (forward_propagate_single_use_vars): Likewise.
14184 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14185 * tree-inline.c (expand_call_inline): Likewise.
14186 * tree-vect-transform.c (vect_transform_loop): Likewise.
14187 * tree-outof-ssa.c (rewrite_trees): Likewise.
14188 * tree-cfg.c (make_goto_expr_edges): Likewise.
14189 (cleanup_dead_labels): Likewise.
14190 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14191 (bsi_move_before, bsi_move_after): Likewise.
14192 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14193 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14195 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14198 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14200 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14201 on non gimple variables. Also add checks at the top for decls and
14203 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14205 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14206 and IMAGPART_EXPR for creating MUST_DEFs.
14207 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14208 and NAME_MEMORY_TAG separately from the DECLs.
14210 2006-01-06 Richard Guenther <rguenther@suse.de>
14212 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14213 annotation, if necessary.
14214 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14215 redundant calls to update_stmt.
14216 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14219 2006-01-05 Richard Henderson <rth@redhat.com>
14221 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14223 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14225 * c-typeck.c: Update copyright date.
14227 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14229 * c-typeck.c (build_c_cast): Always warn when casting
14230 from a pointer to an integer of different size, even if
14231 the node was constant.
14233 2006-01-05 Richard Guenther <rguenther@suse.de>
14235 PR tree-optimization/22555
14236 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14237 if one structure field is an array.
14238 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14239 operands even if we found a subvar, but ignore VOPs in this
14241 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14243 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14245 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14247 PR middle-end/24998
14248 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14250 2006-01-05 Richard Guenther <rguenther@suse.de>
14251 Diego Novillo <dnovillo@redhat.com>
14253 * tree-pass.h (TODO_remove_unused_locals): Define.
14254 * gimple-low.c (expand_var_p, remove_useless_vars,
14255 pass_remove_useless_vars): Remove. Update all users.
14256 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14257 (remove_unused_locals): New function.
14258 * tree-flow.h (remove_unused_locals): Declare.
14259 * passes.c (execute_todo): Call remove_unused_locals if
14260 TODO_remove_unused_locals is set.
14261 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14262 * tree-ssa-dce.c (pass_dce): Likewise.
14263 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14265 2006-01-05 Richard Guenther <rguenther@suse.de>
14267 * tree-flow.h (struct fieldoff): Decompose field to
14268 type, size and decl.
14269 * tree-ssa-alias.c (create_sft): Take type as parameter.
14270 (create_overlap_variables_for): Store type, size and decl
14271 in the fieldoff structure.
14272 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14273 of struct fieldoff.
14274 (push_fields_onto_fieldstack): Likewise.
14275 (create_variable_info_for): Likewise. Use offset for the
14276 SFT name if the decl is not available.
14278 2006-01-04 Paul Brook <paul@codesourcery.com>
14280 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14282 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14284 * lambda-code.c (can_put_in_inner_loop): Relax
14286 (can_put_after_inner_loop): New function.
14287 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14288 (perfect_nestify): Change to make copies and modify uses.
14290 2006-01-04 Richard Henderson <rth@redhat.com>
14292 Merge from gomp branch:
14293 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14294 via integer constant.
14295 (pragma_lex): Remove.
14296 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14297 rather than parsing it.
14298 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14299 handle_pragma_extern_prefix): Add %< %> quotes.
14300 (registered_pragmas): New.
14301 (c_register_pragma_1): New.
14302 (c_register_pragma): Use it.
14303 (c_register_pragma_with_expansion): Likewise.
14304 (c_invoke_pragma_handler): New.
14305 (init_pragma): Use cpp_register_deferred_pragma directly for
14307 * c-pragma.h (enum pragma_kind): New.
14308 (pragma_handler): New.
14309 (c_invoke_pragma_handler): Declare.
14310 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14312 * c-common.h (c_common_pch_pragma): Update decl.
14313 * Makefile.in (c-parser.o): Update dependencies.
14314 (GTFILES): Add c-pragma.h.
14315 * c-parser.c (struct c_token): Add pragma_kind.
14316 (struct c_parser): Add in_pragma.
14317 (c_lex_one_token): Always initialize keyword and pragma_kind.
14318 Extract data for CPP_PRAGMA.
14319 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14320 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14321 Don't allow CPP_PRAGMA_EOL if in_pragma.
14322 (c_parser_consume_pragma): New.
14323 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14324 (c_parser_skip_to_end_of_parameter): Likewise.
14325 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14326 (c_parser_skip_to_pragma_eol): New.
14327 (c_parser_external_declaration): Handle CPP_PRAGMA.
14328 (c_parser_compound_statement_nostart): Likewise.
14329 (c_parser_statement_after_labels): Likewise.
14330 (c_parser_pragma): New.
14331 (pragma_lex): Likewise.
14332 (c_parser_pragma_pch_preprocess): New.
14333 (c_parser_new): Merge into ...
14334 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14336 2006-01-04 Jeff Law <law@redhat.com>
14339 * tree-cfg.c (bsi_replace): Remove the original statement
14340 from the EH throw statement table.
14342 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14344 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14345 make the prototype extern "C" and add throw ().
14348 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14349 and pos non-negative and pos + len <= 32.
14350 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14351 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14352 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14355 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14356 as well as sizes not multiple of component size.
14359 * function.c (instantiate_expr): New function.
14360 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14361 walk its DECL_VALUE_EXPR with instantiate_expr.
14363 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14364 DW_OP_deref{,_size} if address isn't going to be added.
14366 2006-01-04 Ben Elliston <bje@au.ibm.com>
14368 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14369 * config/fp-bit.c: Likewise.
14371 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14373 * dominance.c: Add comment about why we use DFS numbering
14376 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14377 Richard Henderson <rth@redhat.com>
14379 Merge from gomp-branch:
14380 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14381 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14383 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14385 PR rtl-optimization/25578
14386 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14387 pass a parameter to simplify_shift_const if changing ASHIFTRT
14390 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14392 * builtins.c (get_builtin_sync_mem): New function.
14393 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14394 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14395 Call get_builtin_sync_mem to generate mem rtx.
14397 2006-01-03 Richard Guenther <rguenther@suse.de>
14400 * stmt.c (add_case_node): Make sure to clear overflow flags
14403 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14405 Merge from gomp-branch.
14406 * config/sparc/sync.md: New file.
14407 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14408 UNSPECV_LDSTUB): New constants.
14409 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14410 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14411 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14414 2006-01-03 Roger Sayle <roger@eyesopen.com>
14416 * combine.c (reg_subword_p): New predicate to test whether the
14417 destination of a set refers to a subword/piece of a register.
14418 (try_combine): Generalize the code to merge the setting of a
14419 pseudo to a constant followed by a set of a subword of that
14420 register to a constant.
14422 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14424 * basic-block.h (control_flow_graph): Change the type of
14425 x_label_to_block_map to VEC(basic_block,gc) *.
14426 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14427 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14429 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14430 VEC(basic_block,heap) *.
14431 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14432 ssa_prop_fini): Adjust the uses of cfg_blocks.
14434 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14436 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14438 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14439 hashing trees instead of a pointer hash.
14440 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14441 compare for MEM_EXPR.
14443 PR rtl-optimization/25130
14444 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14445 when comparing MEMs for GCSE
14447 2006-01-03 Ben Elliston <bje@au.ibm.com>
14449 * targhooks.h (default_decimal_float_supported_p): Declare.
14450 * targhooks.c (default_decimal_float_supported_p): Define.
14451 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14452 `default_decimal_float_supported_p'.
14453 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14455 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14457 * combine.c (apply_distributive_law <SUBREG>): Check
14458 TRULY_NOOP_TRUNCATION.
14460 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14462 * dwarf2out.c (have_switched_text_section): Delete.
14463 (have_multiple_function_sections): New.
14464 (have_location_lists): Make 'bool'.
14465 (add_AT_loc_list): Use 'true' not '1'.
14466 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14467 (output_loc_list): Use have_multiple_function_sections.
14468 (output_ranges): Likewise.
14469 (dwarf2out_begin_function): Set have_multiple_function_sections if
14471 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14472 Check function_section rather than DECL_SECTION_NAME.
14473 (dwarf2out_finish): Use have_multiple_function_sections.
14474 Don't clear have_location_lists.
14476 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14477 Jan Hubicka <jh@suse.cz>
14479 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14480 case of conditional jump jumping to the next instruction.
14481 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14482 cases of conditional jump jumping to the next instruction.
14484 2006-01-02 Jan Hubicka <jh@suse.cz>
14486 * i386.c (*_cost): Add COSTS_N_INSNS.
14487 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14489 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14492 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14494 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14496 * config/arm/arm.c (all_fpus): Fix comment typo.
14497 * config/darwin.c: Likewise.
14498 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14499 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14500 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14502 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14504 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14505 (rs6000_split_compare_and_swapqhi): New.
14506 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14507 (sync_compare_and_swapqhi_internal): New.
14508 * config/rs6000/rs6000-protos.h: Declare.