1 2006-09-06 James E Wilson <wilson@specifix.com>
4 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5 then call count_or_remove_death_notes.
7 2006-09-06 Jason Merrill <jason@redhat.com>
10 * tree-inline.c (copy_result_decl_to_var): New fn.
11 (declare_return_variable): Use it. Call declare_inline_vars here.
12 (expand_call_inline): Not here.
14 2006-09-06 Diego Novillo <dnovillo@redhat.com>
16 * doc/contrib.texi: Update my entry.
18 2006-09-06 Nick Clifton <nickc@redhat.com>
20 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
22 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
25 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
26 (canonicalize_induction_variables): Likewise.
27 (tree_unroll_loops_completely): Likewise.
28 (tree_ssa_prefetch_arrays): Likewise.
29 (remove_empty_loops): Likewise.
30 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
31 TODO_cleanup_cfg instead of directly calling
32 cleanup_tree_cfg_loop.
33 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
35 (tree_unroll_loops_completely): Likewise.
36 (remove_empty_loops): Likewise.
37 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
38 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
39 of tree_ssa_unswitch_loops.
40 (tree_ssa_loop_ivcanon): Use the return value of
41 canonicalize_induction_variables.
42 (tree_ssa_empty_loop): Use the return value of
44 (tree_complete_unroll): Use the return value of
45 tree_unroll_loops_completely.
46 (tree_ssa_loop_prefetch): Use the return value of
47 tree_ssa_prefetch_arrays.
48 * passes.c (execute_todo): Before Cleanup CFG, set
49 updating_used_alone and after cleanup CFG, call
50 recalculate_used_alone.
52 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
55 * tree-vect-transform.c (vectorizable_condition): Move the check
56 for the type after the check for simple condition.
58 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
59 Kaz Kojima <kkojima@gcc.gnu.org>
62 * mode-switching.c (optimize_mode_switching): Make the destination
63 block of an abnormal edge have no anticipatable mode. Don't
64 insert mode switching code at the end of the source block of
67 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
69 PR rtl-optimization/26847
70 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
71 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
72 (simplify_plus_minus): Count n_constants while filling ops. Replace
73 qsort with insertion sort. Before going through the array to simplify
74 pairs, sort it. Delay early exit until after the first sort, exiting
75 only if no swaps occurred. Simplify pairs in reversed order, without
76 special-casing the first iteration. Pack ops after simplifying pairs.
78 2006-09-05 Anatoly Sokolov <aesok@post.ru>
80 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
81 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
82 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
83 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
85 2006-09-05 Richard Guenther <rguenther@suse.de>
87 PR tree-optimization/28900
88 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
89 compound conditional before creating COND_EXPR condition.
91 2006-09-05 Richard Guenther <rguenther@suse.de>
93 PR tree-optimization/28905
94 * tree-vrp.c (fix_equivalence_set): Manually implement
95 !value_ranges_intersect_p to also handle symbolic ranges.
97 2006-09-05 Richard Guenther <rguenther@suse.de>
100 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
103 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
105 PR rtl-optimization/27616
106 * cse.c (table_size): New static variable.
107 (new_basic_block): Initialize it to 0.
108 (remove_from_table): Decrement it.
109 (insert): Increment it.
110 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
111 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
112 fold_rtx_mem_1 if under the cap.
113 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
114 the lookup of the equivalent expression and test for equality of the
115 first operand of the equivalent expression before in turn looking up
116 an equivalent constant for the second operand.
118 2006-09-02 Geoffrey Keating <geoffk@apple.com>
121 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
122 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
123 pointer, instead of assuming it is possible to derive the
124 correct args size from a call insn.
126 2006-09-02 Jakub Jelinek <jakub@redhat.com>
129 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
130 (fold_builtin_mempcpy): Rename to...
131 (fold_builtin_memory_op): ... this. Optimize one element copy
133 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
135 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
136 (expand_builtin_memcpy, expand_builtin_mempcpy,
137 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
138 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
139 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
140 BUILT_IN_MEM{CPY,PCPY,MOVE}.
142 2006-09-01 DJ Delorie <dj@redhat.com>
144 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
146 ("stzx_24_<mode>"): Likewise.
147 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
148 ("cmp<mode>_op"): New.
149 (cmp<mode>): Change to expander; just save operands.
151 (b<code>): Change to expander, emit compare here.
152 (s<code>_op): Change to use split and expander.
153 (s<code>_24_op): Likewise.
154 (s<code>_<mode>): New.
155 (s<code>_<mode>_24): New.
156 (movqicc_<code>_<mode): New.
157 (movhicc_<code>_<mode>): New.
160 * config/m32c/m32c.c (compare_op0, compare_op1): New.
161 (m32c_pend_compare): New.
162 (m32c_unpend_compare): New.
163 (m32c_expand_scc): New.
164 (m32c_expand_movcc): Emit the compare also.
165 * config/m32c/predicates.md (mra_nopp_operand): New.
167 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
168 Richard Guenther <rguenther@suse.de>
169 Adam Nemet <anemet@caviumnetworks.com>
172 * builtins.c (get_pointer_alignment): Handle more forms
173 of base addresses that can be used to derive more precise
174 information about alignment.
176 2006-09-01 Jason Merrill <jason@redhat.com>
179 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
182 * gimplify.c (voidify_wrapper_expr): Handle null type.
184 2006-09-01 Josh Conner <jconner@apple.com>
187 * tree-nrv.c (dest_safe_for_nrv_p): New function.
188 (execute_return_slot_opt): Use it.
190 2006-08-31 Josh Conner <jconner@apple.com>
193 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
194 returning aggregates.
196 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
198 PR tree-optimization/28839
199 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
200 blocks in that phi arguments appear.
202 2006-08-31 Roger Sayle <roger@eyesopen.com>
205 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
206 NULL, otherwise use an advance_loc4 to adjust relative to the
208 (output_cfi) <DW_CFA_set_loc>: Update the current label.
209 (dwarf2out_switch_text_section): Reset the current label to avoid
210 using advance_loc4 over section boundaries.
212 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
215 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
216 r12 + SYMBOLIC_CONST.
218 2006-08-30 Richard Guenther <rguenther@suse.de>
220 * Makefile.in (see.o): Add $(EXPR_H) dependency.
222 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
224 PR rtl-optimization/27735
225 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
226 Add new argument to keep track of whether an irreducible region
227 was affected. All callers changed.
228 (fix_irreducible_loops): Removed.
229 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
230 flags were invalidated.
232 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
234 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
235 instead of SF operands.
236 (*fop_df_comm_sse): Likewise.
237 (*fop_df_comm_i387): Likewise.
238 (*fop_df_1_mixed): Likewise.
239 (*fop_df_1_sse): Likewise.
241 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
242 J"orn Rennecke <joern.rennecke@st.com>
244 PR tree-optimization/17506
245 * tree-ssa.c (warn_uninit): If warning about a location outside of
246 the current function, note where the variable was declared.
248 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
250 PR tree-optimization/28411
251 * double-int.c (double_int_div): Use double_int_divmod.
252 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
253 double_int_mod, double_int_smod, double_int_umod): New functions.
254 * double-int.h (double_int_divmod, double_int_sdivmod,
255 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
257 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
259 (get_computation_aff, get_computation_cost_at): Handle double_int
260 return type of constant_multiple_of.
262 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
265 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
266 an implicit conversion.
268 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
270 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
272 2006-08-27 Roger Sayle <roger@eyesopen.com>
274 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
277 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
279 * config/i386/crtfastmath.c: Fix a comment typo.
281 2006-08-26 Roger Sayle <roger@eyesopen.com>
283 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
284 temporary visit flags on CASE_LABEL_EXPRs.
285 * c-common.c (match_case_to_enum): Add function comment. Avoid
286 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
287 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
288 CASE_HIGH_SEEN for enumerated types. If the switch expression is
289 a constant, only warn if that constant value isn't handled.
291 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
294 * input.h (restore_input_file_stack): Declare.
295 (INPUT_FILE_STACK_BITS): Define.
296 * toplev.c (fs_p, input_file_stack_history,
297 input_file_stack_restored, restore_input_file_stack): New.
298 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
299 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
300 (pop_srcloc): Don't free old state of stack.
302 2006-08-26 David Edelsohn <edelsohn@gnu.org>
305 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
306 (PowerPC Type Attributes): New.
308 2006-08-26 Bob Wilson <bob.wilson@acm.org>
310 * config/xtensa/xtensa.c (function_arg_boundary): New.
311 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
313 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
314 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
316 2006-08-26 Jakub Jelinek <jakub@redhat.com>
319 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
322 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
324 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
325 (verify_local_live_at_start): Likewise.
327 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
330 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
331 omp_add_variable): Treat sizes as variable whenever not
334 2006-08-26 Richard Guenther <rguenther@suse.de>
337 * fold-const.c (fold_binary): Fold temporary to correct
338 type before constructing new comparison.
340 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
343 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
344 variable again if DECL_SEEN_IN_BIND_EXPR_P.
346 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
349 * c-decl.c (start_function): Don't try to process prototype
350 information from old declaration that isn't a function.
352 2006-08-25 Jan Hubicka <jh@suse.cz>
355 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
357 2006-08-25 Alan Modra <amodra@bigpond.net.au>
360 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
363 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
365 PR tree-optimization/16876
366 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
367 exit if PARM doesn't match VALUE.
369 2006-08-25 Bob Wilson <bob.wilson@acm.org>
371 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
372 literal_prefix directive.
373 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
374 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
375 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
377 2006-08-25 David Edelsohn <edelsohn@gnu.org>
380 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
381 predicate to general_operand. Add 0->y and I->r alternatives.
383 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
385 * doc/tm.texi: Fix a typo.
386 * predict.c: Fix comment typos.
388 2006-08-25 Nick Clifton <nickc@redhat.com>
390 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
391 assertions of "cpu" and "machine".
393 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
396 * tree-ssa-operands.c (access_can_touch_variable): Don't say
397 the access through a base which has an alias set of 0 cannot
400 2006-08-24 Bill Wendling <wendling@apple.com>
402 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
404 2006-08-24 Jan Hubicka <jh@suse.cz>
406 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
408 2006-08-24 Jan Hubicka <jh@suse.cz>
411 * cgraph.c: Fix comments.
412 (cgraph_varpool_mark_needed_node): Mark only variables not already
414 * cgraphunit.c: Update comments; include gt-cgraphunit.h
415 (cgraph_varpool_assembled_nodes_queue): New static variable.
416 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
417 (cgraph_varpool_output_debug_info): New function.
418 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
419 * Makefile.in: Add gt-cgraphunit.h
421 2006-08-24 Jan Hubicka <jh@suse.cz>
423 * predict.c (probability_reliable_p): New predicate.
424 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
425 (predict_loops): Do not predict loop exit with less than 2%
427 * basic-block.h (edge_probability_reliable_p,
428 br_prob_note_reliable_p): Declare.
429 * ia64.h (ia64_print_operand): Do not disable on-chip branch
430 prediction when static predictor is not reliable.
431 * rs6000.c (output_cbranch): Likewise.
433 2006-08-23 Stuart Hastings <stuart@apple.com>
436 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
437 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
439 2006-08-21 Geoffrey Keating <geoffk@apple.com>
442 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
443 complex values, nor for generic vector values.
445 2006-08-22 Richard Guenther <rguenther@suse.de>
448 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
449 parameter. Convert arguments to arithmetic expression to the
451 (analyze_scalar_evolution_1): Adjust caller.
453 2006-08-22 Jan Hubicka <jh@suse.cz>
455 Patch by Paolo Bonzini
456 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
459 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
461 PR tree-optimization/28003
462 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
463 before grouping aliases.
465 2006-08-22 Roger Sayle <roger@eyesopen.com>
467 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
468 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
470 2006-08-21 Jason Merrill <jason@redhat.com>
473 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
474 wrapper. Loop to handle nested wrappers.
475 (gimplify_bind_expr): Remove temp parameter.
476 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
477 and STATEMENT_LIST on the rhs.
478 (gimplify_statement_list): Voidify the STATEMENT_LIST.
479 (gimplify_expr): Pass pre_p to gimplify_statement_list.
480 (gimplify_target_expr): Remove special BIND_EXPR handling.
482 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
484 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
487 2006-08-21 Olivier Hainque <hainque@adacore.com>
489 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
490 Arrange for the temporary captures of components overlapping the lhs
491 to happen before the lhs is possibly cleared.
493 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
495 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
496 necessary places to pass the correct "number of registers" values
499 2006-08-20 Jan Hubicka <jh@suse.cz>
501 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
502 (create_name_tags): Instead of quadratic checking use hashtable.
503 * bitmap.h: Include hashtab.h.
504 (bitmap_hash): Declare.
505 * bitmap.c (bitmap_hash): New function.
507 2006-08-20 Jan Hubicka <jh@suse.cz>
509 PR rtl-optimization/28071
510 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
512 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
513 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
514 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
515 cgraph_decide_inlining_incrementally): Update use of
516 cgraph_check_inline_limits.
517 * cgraph.c (edge_hash, edge_eq): New function.
518 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
519 cgraph_edge_remove_caller, cgraph_node_remove_callees,
520 cgraph_remove_node): Maintain call site hash.
521 * cgraph.h (struct cgraph_node): Add call_site_hash.
522 (cgraph_set_call_stmt): New function.
524 2006-08-20 Jan Hubicka <jh@suse.cz>
526 PR rtl-optimization/28071
527 * reload1.c (reg_has_output_reload): Turn into regset.
528 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
529 choose_reload_regs, emit_reload_insns): Update to new
530 reg_has_output_reload.
532 2006-08-20 Jan Hubicka <jh@suse.cz>
535 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
537 * cgraphunit.c (cgraph_analyze_function): Don't do so.
539 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
542 * tree.c (handle_dll_attribute): Return early if not a
543 var or function decl.
545 2006-08-18 Joseph Myers <joseph@codesourcery.com>
548 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
549 alignment of SPE vector types.
551 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
553 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
555 2006-08-17 Jakub Jelinek <jakub@redhat.com>
558 * cgraph.h (struct cgraph_node): Remove externally_visible
560 * cgraphunit.c (process_function_and_variable_attributes): Set
561 local.externally_visible rather than externally_visible.
564 * c-common.c (handle_externally_visible_attribute): First look
565 at TREE_CODE and only if it is function or var decl, check for
566 non-public objects. Don't warn for DECL_EXTERNAL.
567 * cgraphunit.c (process_function_and_variable_attributes): Warn
568 if externally_visible attribute is used on non-public object.
570 2006-08-17 Jan Hubicka <jh@suse.cz>
572 PR tree-optimization/27865
573 * reload1.c (forget_marked_reloads): New function.
574 (forget_old_reloads_1): When data are passed, just mark the registers
576 (reload_as_needed): Use the new mechanizm.
578 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
581 * reload.h (reg_equiv_alt_mem_list): New declaration.
582 * reload1.c (reg_equiv_alt_mem_list): New definition.
583 (reload): Initialize it and release it.
584 (delete_output_reload): Use it.
585 * reload.c (push_reg_equiv_alt_mem): New function.
586 (find_reloads_toplev): Call it.
587 (find_reloads_address, find_reloads_address_1): Likewise.
588 (find_reloads_subreg_address): Likewise.
590 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
592 PR rtl-optimization/28489
593 * sched-ebb.c (begin_schedule_ready): Create basic block
595 (advance_target_bb): Skip empty blocks.
596 * haifa-sched.c (bb_note): Make global.
597 * sched-int.h (bb_note): Add prototype.
599 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
601 PR tree-optimization/27865
602 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
604 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
605 fold_used_pointer, pointer_used_p): New functions.
606 (analyze_scalar_evolution_1): Use fold_used_pointer.
607 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
608 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
611 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
614 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
615 or the INTEGER_CST. Fail on a CALL_EXPR.
616 (fold_offsetof): Pass new argument to fold_offsetof_1.
617 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
618 operand into an INDIRECT_REF.
619 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
621 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
623 PR gcov/profile/26570
624 * value-prof.c (static_values): Removed.
625 (tree_find_values_to_profile): Do not set static_values.
626 (find_values_to_profile): Do not free static_values.
627 * profile.c (instrument_values): Do not free the values.
628 (branch_prob): Free the values.
630 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
632 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
634 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
637 * c-typeck.c (build_component_ref): Combine qualifiers of
638 structure or union and field.
640 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
642 PR rtl-optimization/28071
643 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
644 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
645 * tree-into-ssa.c (struct dom_dfsnum): New.
646 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
648 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
649 compute_global_livein.
650 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
651 in phi nodes in the correct blocks.
653 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
655 PR tree-optimization/28364
656 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
658 (fold_affine_expr): New function.
659 (may_eliminate_iv): Use fold_affine_expr.
661 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
664 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
667 2006-08-16 Mike Stump <mrs@apple.com>
669 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
670 * doc/cppopts.texi (-MD): Likewise.
672 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
675 * c-common.c (handle_weak_attribute): Ignore and warn if
676 not a FUNCTION_ or VAR_DECL.
678 2006-07-15 Mike Stump <mrs@apple.com>
681 * c-parser.c (c_parser_typeof_specifier): Don't use
682 c_finish_expr_stmt, open code desired semantics instead.
684 2006-08-15 Nick Clifton <nickc@redhat.com>
686 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
687 fragment to tmake_file only if threads are enabled.
688 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
689 * config/i386/t-gthr-win32: New file. ... here.
691 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
694 * c-parser.c (c_parser_compound_statement_nostart): Reset
695 parser->error after each statement.
697 2006-08-15 Jakub Jelinek <jakub@redhat.com>
700 * omp-low.c (lower_omp_parallel): Convert t to
701 receiver_decl's type.
702 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
703 source before comparison.
706 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
707 to itype in assignment to oldival2.
709 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
713 * c-typeck.c (build_compound_expr): If the second expression
714 is an error mark, then just return an error mark instead of
715 creating a COMPOUND_EXPR.
717 2006-07-14 Mike Stump <mrs@apple.com>
719 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
721 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
723 * c-decl.c, var-tracking.c: Fix comment typos.
725 2006-08-14 Richard Sandiford <richard@codesourcery.com>
727 PR rtl-optimization/28634
728 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
729 for floating-point modes unless flag_unsafe_math_optimizations.
731 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
732 Andrew Pinski <pinskia@physics.uc.edu>
735 * tree.c (build_array_type): Unify array types with
736 unspecified index_type.
737 * c-decl.c (grokdeclarator): Make sure we do not modify a
738 unified incomplete array type.
739 * c-typeck.c (store_init_value): Create distinct type before
740 filling in the index type in an initializer from a compound
743 * c-decl.c (grokdeclarator): Remove code where we copy the
746 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
748 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
749 into account for TODO_dump_cgraph.
750 (TODO_update_ssa_no_phi): Likewise.
751 (TODO_update_ssa_full_phi): Likewise.
752 (TODO_update_ssa_only_virtuals): Likewise.
753 (TODO_remove_unused_locals): Likewise.
754 (TODO_set_props): Likewise.
755 (TODO_update_stmt_usage): Likewise.
757 2006-08-13 Dirk Mueller <dmueller@suse.de>
759 * c-common.c (strict_aliasing_warning): Fix formatting.
761 2006-08-13 Matthias Klose <doko@debian.org>
763 * doc/invoke.texi: Fix spelling errors.
765 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
767 PR rtl-optimization/23454
768 * reorg.c (relax_delay_slots): Update comment.
770 2006-08-11 Richard Guenther <rguenther@suse.de>
773 * simplify-rtx.c (simplify_const_relational_operation):
774 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
777 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
779 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
780 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
782 2006-08-10 Paul Brook <paul@codesourcery.com>
784 * final.c (final_scan_insn): Clear current_insn_predicate before
785 outputting inline asm.
787 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
789 PR tree-optimization/26197
790 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
791 get_ref_base_and_extent and overlap_subvar to add only relevant
792 subvars as may-aliases.
793 (add_may_alias_for_new_tag): New function, factored out of
795 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
796 with additional argument.
797 * tree-flow.h (new_type_alias): Takes additional argument.
799 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
801 * gcov.c (no_data_file): New flag.
802 (read_count_file): Set it if data file not present. Assume counts
804 (output_lines): Don't name the data file, if there wasn't one.
806 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
808 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
809 (rs6000_generate_compare): Tweak comments.
810 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
812 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
814 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
815 (var_debug_decl): New function.
816 (var_reg_set): Follow debug decl link. Add location even if
817 reg is already known to hold some other variable.
818 (var_mem_set): Follow debug decl link.
819 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
820 decl link. Delete other known locations of the variable part
822 (var_reg_delete, var_mem_delete): Delete other known locations
823 of the variable part if requested.
824 (same_variable_part_p): New function.
825 (add_stores): Select MO_COPY when appropriate.
826 (vt_initialize): Handle it.
827 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
828 known locations for MO_SET and MO_CLOBBER.
829 (find_variable_location_part): New function.
830 (set_variable_part, delete_variable_part): Use it.
831 (clobber_variable_part): New function.
832 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
835 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
837 PR tree-optimization/26969
838 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
839 with an empty list of PHIs.
841 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
845 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
848 2006-08-06 Andreas Schwab <schwab@suse.de>
850 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
851 string. Whitespace and comment fixup.
853 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
856 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
860 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
863 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
865 2006-08-04 Jan Hubicka <jh@suse.cz>
869 * reload.c (push_reload): Patch out the mismatching instruction;
871 (find_reload): Bail out if the instruction was patched out.
873 2006-08-04 Jan Hubicka <jh@suse.cz>
875 PR tree-optimization/24888
876 * tree-inline.c (expand_call_inline): Do not re-record variables.
877 (declare_inline_vars): Add variable to unexpanded_var_list.
879 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
880 Roger Sayle <roger@eyesopen.com>
882 PR rtl-optimization/26244
883 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
884 inner_const are negative or greater than or equal to the bitsize of
885 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
886 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
887 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
888 CONST0_RTX (mode) when the new shift count is greater than or equal to
889 to the bitsize of the object being shifted and XEXP (y, 0) has no side
892 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
894 * tree-cfg.c: Fix a comment typo.
896 2006-08-03 Mark Mitchell <mark@codesourcery.com>
899 * varasm.c (output_constant): Give the front end another chance to
900 expand constants, after stripping NOPs.
902 2006-08-03 Jan Hubicka <jh@suse.cz>
904 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
907 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
909 PR tree-optimization/27770
910 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
911 declaration removed (moved to tree-flow.h).
912 (vect_can_force_dr_alignment_p): Likewise.
913 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
914 (moved from tree-vectorizer.h).
915 (vect_can_force_dr_alignment_p): Likewise.
916 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
917 from outside the vectorizer - in particular from cgraph stage.
918 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
919 the alignment of global arrays when -fsection-anchors is enabled.
920 * cgraphunit.c (cgraph_increase_alignment): New function.
921 (cgraph_optimize): Call cgraph_increase_alignment.
923 2006-08-03 David Edelsohn <edelsohn@gnu.org>
926 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
927 not reload a SPE symbol_ref into a lo_sum address.
929 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
932 * dwarf2out.c (prune_unused_types_prune): Move call to
933 prune_unused_types_update_strings to cover the parent DIE also.
935 2006-08-02 Jan Hubicka <jh@suse.cz>
937 PR gcov/profile/28480
938 * tree-cfg.c (change_bb_for_stmt): New function.
939 (tree_merge_blocks, tree_split_blocks): Use it.
941 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
947 * toplev.c (compile_file): Return early on errorcount or sorrycount.
948 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
949 (cgraph_optimize): Likewise.
951 2006-08-01 Stuart Hastings <stuart@apple.com>
953 * rtl.h (UINTVAL) New.
954 * config/rs6000/rs6000.c (SMALL_INT) Use it.
955 * testsuite/gcc.dg/20060801-1.c: New.
957 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
960 * c-typeck.c (build_external_type): Mark used enum types.
961 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
963 (gen_subprogram_die): Whitespace fix.
965 2006-08-01 Jan Hubicka <jh@suse.cz>
967 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
968 bitmap when not needed.
969 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
972 2006-08-01 Dirk Mueller <dmueller@suse.de>
974 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
976 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
978 * Makefile.in: Revert part of previous patch:
979 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
982 2006-07-30 Eric Christopher <echristo@apple.com>
985 * doc/extend.texi (i386 Variable Attributes): Add anchor.
986 (PowerPC Variable Attributes): New section.
988 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
990 PR target/28126 (partial fix)
991 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
993 2006-07-28 Jan Hubicka <jh@suse.cz>
995 PR rtl-optimization/28071
996 * cfgrtl.c (rtl_delete_block): Free regsets.
997 * flow.c (allocate_bb_life_data): Re-use regsets if available.
999 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1001 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1002 and variables used in dependencies.
1004 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1006 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1007 %fs for -mcmodel=kernel.
1008 (stack_tls_protect_test_di): Likewise.
1010 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1012 * Makefile.in: Use mkinstalldirs.
1014 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1017 * opts-common.c (prune_options): Skip joined switches.
1019 2006-07-27 Jan Hubicka <jh@suse.cz>
1021 PR rtl-optimization/28071
1022 * cselib.c (cselib_process_insn): Don't remove useless values too
1023 often for very large hashtables.
1025 2006-07-27 Jan Hubicka <jh@suse.cz>
1027 PR rtl-optimization/28071
1028 * global.c (greg_obstack): New obstack.
1029 (allocate_bb_info): Use it.
1030 (free_bb_info): Likewise.
1031 (modify_reg_pav): Likewise.
1033 2006-07-27 Roger Sayle <roger@eyesopen.com>
1035 * builtins.c (fold_fixed_mathfn): When long and long long are the
1036 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1037 functions to their lceil*, lfloor*, lround* and lrint* forms.
1039 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1042 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1044 (rev_branch_insn): Likewise.
1046 2006-07-27 Jan Hubicka <jh@suse.cz>
1048 PR rtl-optimization/28071
1049 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1050 (reg_set_in_bb, max_reg_computed): New static variables.
1051 (regmove_optimize): Free the new array.
1052 (fixup_match_1): Update call of reg_is_remote_constant_p.
1054 2006-07-26 Jan Hubicka <jh@suse.cz>
1056 PR tree-optimization/27882
1057 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1059 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1061 (cgraph_analyze_compilation_unit): Likewise.
1062 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1063 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1064 (cgraph_early_inlinine): Make order garbage collected.
1065 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1067 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1069 * dbxout.c (output_types_sort): Add a comment.
1070 (output_used_types): Free the VEC.
1072 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1074 * function.c (reorder_fix_fragments): Delete.
1075 (reorder_blocks): Don't call it.
1076 (reorder_blocks_1): Put all subblocks under the origin block.
1078 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1080 PR rtl-optimization/27907
1081 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1084 2006-07-25 Roger Sayle <roger@eyesopen.com>
1087 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1088 bar(x) check that bar's result type can represent all the values of T.
1090 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1092 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1094 2006-07-25 Nick Clifton <nickc@redhat.com>
1096 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1097 size_lookup[] array.
1098 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1099 (ggc_pch_count_object): Likewise.
1100 (ggc_pch_alloc_object): Likewise.
1101 (ggc_pch_write_object): Likewise.
1102 (init_ggc): Do not attempt to initialize entries in the
1103 size_lookup[] array for objects whose size is greater than than
1104 the length of the array.
1106 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1108 * dbxout.c (output_used_types_helper): Push queued types
1110 (output_types_sort): New.
1111 (output_used_types): Collect used types on a VEC and sort them
1114 2006-07-24 Richard Guenther <rguenther@suse.de>
1117 * cgraph.c (cgraph_remove_node): Do not check if dumps
1119 * cgraphunit.c (cgraph_optimize): Likewise.
1121 2006-07-24 Jan Hubicka <jh@suse.cz>
1123 PR rtl-optimization/28071
1124 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1125 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1126 splitting before first stmt.
1128 2006-07-24 Jan Hubicka <jh@suse.cz>
1130 PR rtl-optimization/28071
1131 * ipa-inline.c (update_caller_keys): Remove edges that
1132 are no longer inline candidates.
1134 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1137 * dbxout.c (output_used_types_helper, output_used_types): New.
1138 (dbxout_symbol): Call output_used_types.
1140 2006-07-23 Jan Hubicka <jh@suse.cz>
1144 * cgraph.c (cgraph_varpool_nodes): Export.
1145 (decide_is_variable_needed): Ignored "used" attribute in
1146 unit-at-a-time mode.
1147 * cgraph.h (cgraph_varpool_nodes): Declare.
1148 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1149 unit-at-a-time mode.
1151 2006-07-23 Roger Sayle <roger@eyesopen.com>
1154 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1155 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1156 the __gthrw form of thr_keycreate.
1157 (__gthread_key_delete): Silence the unused argument warning.
1159 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1162 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1163 Cache the last found '\0' marker to avoid quadratic behavior.
1165 2006-07-23 Jan Hubicka <jh@suse.cz>
1167 * i386.md (subsi_3_zext): Fix output template.
1169 2006-07-21 Mike Stump <mrs@apple.com>
1171 * doc/invoke.texi (C++ Dialect Options): Note that
1172 -fvisibility-inlines-hidden doesn't affect explicitly
1173 instantiationed inline methods.
1175 2006-07-20 Roger Sayle <roger@eyesopen.com>
1177 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1178 if the target assembler is GNU binutils' gas.
1179 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1180 whether to pass GNU gas or native as command line options.
1182 2006-07-20 Jason Merrill <jason@redhat.com>
1184 * tree.c (remove_attribute): New fn.
1185 * tree.h: Declare it.
1187 2006-07-20 Paul Brook <paul@codesourcery.com>
1190 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1191 they are invalidated by this instruction.
1193 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1196 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1198 2006-07-20 Eric Christopher <echristo@apple.com>
1201 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1203 2006-07-19 Eric Christopher <echristo@apple.com>
1205 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1206 Rewrite dependencies for libgcc_s.1.dylib.
1208 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1210 * except.c (duplicate_eh_regions_1): Clear next_peer.
1212 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1214 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1215 -mlongcall does not guarantee all calls will be long.
1216 * doc/extend.texi (long_call/short_call): Document that longcall
1217 does not guarantee a long call will be used.
1218 (longcall/shortcall): Likewise.
1220 2006-07-18 Roger Sayle <roger@eyesopen.com>
1223 * expmed.c (expand_shift): Additionally check that the shift_cost
1224 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1225 before implementing a LSHIFT_EXPR as a sequence of additions.
1226 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1227 middle-end that DImode shifts need to be synthesized by expand.
1229 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1232 * tree-ssa-operands.c (access_can_touch_variable): Update
1234 Return true if ALIAS is .GLOBAL_VAR.
1236 2006-07-18 David Daney <ddaney@avtrex.com>
1238 * gcc.c (display_help): Fix typo in help text.
1240 2006-07-18 Olivier Hainque <hainque@adacore.com>
1242 * tree.h (categorize_ctor_elements): Adjust prototype and add
1243 descriptive comment, both in accordance with the interface change
1245 * varasm.c (constructor_static_from_elts_p): New function.
1246 Whether a constructor node is a valid static constant initializer
1247 if all its elements are.
1248 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1249 * output.h: Declare it.
1250 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1251 is a valid constant initializer instead of computing the number of
1252 non-constant elements. Use constructor_static_from_elts_p for this
1253 purpose. Replace the head comment with an indication that this is a
1254 helper for categorize_ctor_elements.
1255 (categorize_ctor_elements): Same interface change as for the _1
1256 helper. Former head comment from this helper moved here, adjusted to
1257 account for the interface changes.
1258 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1259 (all_zeros_p): Likewise.
1260 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1261 static versions of the constructor from the categorize_ctor_elements
1262 return value instead of the formerly computed number of non-constant
1265 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1267 * configure: Regenerate.
1268 * Makefile.in (build_libsubdir): New configure substitution
1269 (build_libobjdir): New variable.
1270 (BUILD_LIBIBERTY): Use it.
1272 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1275 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1277 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1280 * c-common.c (handle_weakref_attribute): Ignore attribute in
1281 the same conditions the alias attribute is ignored.
1283 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1285 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1286 (dbxout_begin_prologue): Increment scope_labelno.
1288 2006-07-17 Richard Henderson <rth@redhat.com>
1291 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1294 2006-07-17 Roger Sayle <roger@eyesopen.com>
1295 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1297 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1298 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1299 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1300 functions such as sbrk, write, etc.. Add function prototypes.
1301 Convert function declarations from K&R to ISO C. Cast pointers
1302 to "long" and "unsigned long" instead of "int" and "unsigned int".
1303 Convert tokens following #endif into comments.
1305 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1307 * invoke.texi: Remove mention of f77; Reformat table for
1308 inline parameter options correctly; mention that -malign-double
1309 is default on x86-64 targets.
1311 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1313 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1314 (convert_affine_scev, chrec_convert_aggressive): Use
1315 avoid_arithmetics_in_type_p. Do not check for the subtypes
1318 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1321 * optabs.c (expand_doubleword_shift): Wrap the call to
1322 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1324 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1327 * optabs.c (expand_binop): Pass next_methods rather than methods
1328 to expand_doubleword_shift.
1330 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1333 * tree.h (dump_addr): Declare.
1334 * print-tree.c (dump_addr): New function.
1335 (print_node_brief, print_node): Use it.
1336 * print-rtl.c (print_rtx): Likewise.
1337 * common.opt (-fdump-noaddr): New option.
1338 * doc/invoke.texi (-fdump-noaddr): Document.
1339 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1340 (ve_info_hash): Likewise.
1342 2006-07-13 Andrew Haley <aph@redhat.com>
1344 PR tree-optimization/19505
1345 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1346 edge leaving this block, make sure that the destination of this
1347 block has only one predecessor.
1349 2006-07-17 Richard Guenther <rguenther@suse.de>
1351 PR tree-optimization/28238
1352 * tree-inline.c (copy_bb): Check if we produced valid
1353 gimple copying and substituting a stmt. If not, gimplify
1356 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1358 * optabs.c (maybe_encapsulate_block): New function extracted from...
1359 (emit_libcall_block): ...here. Invoke it on the block of insns to
1360 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1361 (emit_no_conflict_block): Likewise.
1363 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1365 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1367 2006-07-15 Roger Sayle <roger@eyesopen.com>
1369 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1370 a new NOP_EXPR case of the switch statement.
1372 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1375 * stor-layout.c (place_field): Take the bit field with
1376 an excessive size into account in the ms-bitfiled case.
1379 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1380 the previous bit field.
1382 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1385 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1387 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1389 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1390 signal frames correctly even when the signal was installed with
1393 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1395 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1396 (dbxout_function_end): Use local label LFBB. Remove hook
1398 (dbxout_source_line): Use local label LFBB.
1399 (dbxout_block): Likewise.
1400 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1401 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1402 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1403 and DBX_OUTPUT_NFUN.
1405 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1407 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1409 2006-07-13 Jan Hubicka <jh@suse.cz>
1411 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1413 * output.h (align_variable): Declare.
1414 * varasm.c (align_variable): Export.
1415 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1416 when basic block changed.
1418 2006-07-13 Nick Clifton <nickc@redhat.com>
1420 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1421 walking the LOG_LINKS chain.
1423 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1425 * doc/invoke.texi (C++ Dialect Options): Explain difference
1426 between -fvisibility-inlines-hidden and setting hidden
1427 visibility explicitly.
1429 2006-07-12 Eric Christopher <echristo@apple.com>
1431 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1432 (stmp-lipo): Depend on libgcc.a.
1434 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1436 * tree.c: Fix a comment typo.
1438 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1440 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1442 (umulhisi3_r): Likewise.
1444 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1447 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1448 x < 19, vs wchar_t support.
1450 2006-07-12 Nick Clifton <nickc@redhat.com>
1452 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1453 instead of -isa=sh4.
1455 2006-07-12 Mike Stump <mrs@apple.com>
1457 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1459 2006-07-10 Eric Christopher <echristo@apple.com>
1461 * config/t-slibgcc-darwin: Rewrite.
1463 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1466 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1469 2006-07-08 Matthias Klose <doko@debian.org>
1471 * doc/sourcebuild.texi: Fix typo.
1473 2006-07-07 Mike Stump <mrs@apple.com>
1475 * toplev.c (process_options): Don't give -ffunction-sections may
1476 affect debugging warning for Mach-O.
1478 2006-07-07 James E Wilson <wilson@specifix.com>
1480 * config/mips/mips.md (cpu): Add sb1a.
1481 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1482 addition to sb1. Adjust comments to clarify SB-1A differences from
1484 (ir_sb1a_load): New. Modify bypasses to use it.
1485 (ir_sb1a_simple_alu): Likewise.
1486 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1487 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1488 (mips_issue_rate): Add PROCESSOR_SB1A.
1489 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1490 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1491 (TARGET_SB1): Add PROCESSOR_SB1A check.
1492 (TUNE_SB1): Likewise.
1494 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1495 * config/mips/mips.c (mips_store_data_bypass_p): New.
1496 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1497 store_data_bypass_p.
1499 2006-07-08 Paul Brook <paul@codesourcery.com>
1502 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1504 2006-07-07 Richard Guenther <rguenther@suse.de>
1507 * tree.h (build_one_cst): Declare.
1508 * tree.c (build_one_cst): New function.
1509 * tree-ssa-math-opts.c (get_constant_one): Remove.
1510 (insert_reciprocals): Use build_one_cst.
1511 * fold-const.c (fold_plusminus_mult): Likewise.
1513 2006-07-07 Roger Sayle <roger@eyesopen.com>
1515 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1516 * cfgloopanal.c (dump_graph): Likewise.
1517 * dojump.c (discard_pending_stack_adjust): Likewise.
1518 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1520 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1521 * function.c (finalize_block_changes): Likewise.
1522 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1523 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1524 * rtl.c (dump_rtx_statistics): Likewise.
1525 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1527 * varray.c (dump_varray_statistics): Likewise.
1528 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1529 decode_decimal64, encode_decimal128, decode_decimal128,
1530 decimal_real_to_decimal): Likewise.
1532 2006-07-07 Richard Guenther <rguenther@suse.de>
1534 PR tree-optimization/28187
1535 * tree-vrp.c (vrp_operand_equal_p): New function.
1536 (vrp_bitmap_equal_p): Likewise.
1537 (update_value_range): Use them to compare old and new
1540 2006-07-06 Roger Sayle <roger@eyesopen.com>
1542 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1543 a default case to switch statement to silence compiler warnings.
1545 2006-07-06 Roger Sayle <roger@eyesopen.com>
1548 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1549 the configured assembler supports the x87's ffreep mnemonic.
1550 * configure: Regenerate.
1551 * config.in: Regenerate.
1553 * config/i386/i386.c (output_387_ffreep): New function.
1554 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1555 (output_387_reg_move): Likewise.
1557 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1559 Port to hosts whose 'sort' and 'tail' implementations
1560 treat operands with leading '+' as file names, as POSIX
1561 has required since 2001. However, make sure the code still
1562 works on pre-POSIX hosts.
1563 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1564 which says you should use "tail -c +N" rather than "tail +Nc".
1565 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1567 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1569 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1572 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1575 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1576 PRE_{INC,DEC} of TFmode.
1578 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1579 Alan Modra <amodra@bigpond.net.au>
1582 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1585 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1588 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1589 Remove duplicate gtu.
1591 2006-07-05 Jason Merrill <jason@redhat.com>
1595 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1596 * c-common.c (handle_packed_attribute): So don't copy it here.
1597 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1599 2006-07-05 Mike Stump <mrs@apple.com>
1601 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1603 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1606 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1608 2006-07-05 Richard Guenther <rguenther@suse.de>
1611 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1612 TARGET_SSE2 targets if using SSE math.
1613 (*absdf2_1): Likewise.
1615 2006-07-05 Richard Guenther <rguenther@suse.de>
1617 PR tree-optimization/28162
1618 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1619 make sure to convert the operands to the correct type.
1621 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1623 PR tree-optimization/28218
1625 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1626 to calculate and free the dominator information.
1628 2006-07-04 Peter O'Gorman <peter@pogma.com>
1630 * mklibgcc.in: chmod 644 before ranlib during install.
1632 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1633 J"orn Rennecke <joern.rennecke@st.com>
1635 * configure.ac (.eh_frame data check): Use diff -b.
1637 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1640 * Makefile.in (BUILD_RTL): Add build/vec.o.
1641 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1642 (build/genextract): Delete.
1643 (build/genautomata): Likewise.
1645 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1648 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1649 128-bit IBM long doubles for ABI_V4.
1651 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1653 * tree.c (range_in_array_bounds_p): New predicate.
1654 * tree.h (range_in_array_bounds_p): Declare it.
1655 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1656 return a less conservative answer.
1657 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1658 and flag 'is_group'.
1659 (IS_ELEMENT_FOR_GROUP): New macro.
1660 (FOR_EACH_ACTUAL_CHILD): Likewise.
1661 (next_child_for_group): New helper function.
1662 (can_completely_scalarize_p): Take into account groups.
1663 (sra_hash_tree): Handle RANGE_EXPR.
1664 (sra_elt_eq): Likewise.
1665 (lookup_element): Be prepared for handling groups.
1666 (is_valid_const_index): Delete.
1667 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1668 instead of is_valid_const_index.
1669 <ARRAY_RANGE_REF>: New case.
1670 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1671 is_valid_const_index.
1672 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1673 (scan_dump): Dump info for groups too.
1674 (decide_instantiation_1): Likewise.
1675 (decide_block_copy): Assert that the element is not a group.
1676 Propagate decision to groups.
1677 (generate_one_element_ref): Handle RANGE_EXPR.
1678 (mark_no_warning): Iterate over actual childs.
1679 (generate_copy_inout): Likewise.
1680 (generate_element_copy): Likewise.
1681 (generate_element_zero): Likewise.
1682 (generate_element_init_1): Likewise.
1683 (dump_sra_elt_name): Handle RANGE_EXPR.
1685 2006-07-03 Roger Sayle <roger@eyesopen.com>
1687 PR tree-optimization/26251
1688 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1689 (thread_block): When optimizing for size refuse to thread jumps
1690 that would require duplication of blocks other than redirection
1693 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1695 * configure.ac: Fix thinko in previous check-in.
1696 * configure: Regenerate.
1698 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1701 * configure.ac (for lang...): Simplify nesting of conditionals.
1702 Test subdir_requires for non-enabled languages. Move processing
1703 of lang_opt_files and lang_tree_fiels below that test.
1704 * configure: Regenerate.
1705 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1707 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1709 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1711 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1713 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1716 2006-06-29 Jason Merrill <jason@redhat.com>
1723 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1724 * c-common.c (c_determine_visibility): Handle it here.
1725 * c-decl.c (finish_decl): Call c_determine_visibility for
1727 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1729 * varasm.c (default_assemble_visibility): Likewise.
1730 * c-common.c (handle_visibility_attribute): Complain about trying
1731 to give visibility to an already defined class, or trying to change
1732 declared visibility. Always attach the attribute.
1737 * attribs.c (decl_attributes): Ignore type-in-place attributes
1738 once the type has been defined.
1740 2006-06-29 Roger Sayle <roger@eyesopen.com>
1743 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1744 to indicate the cpplib has issued an error message for us.
1746 2006-06-29 Asher Langton <langton2@llnl.gov>
1749 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1750 insert a label at the end of an function under Mach-O.
1752 2006-06-29 Eric Christopher <echristo@apple.com>
1753 Evan Cheng <evan.cheng@apple.com>
1755 * predicates.md (vector_all_ones_operand): New.
1756 (nonimmediate_or_sse_const_operand): Ditto.
1757 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1758 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1759 (standard_sse_mode_p): Ditto.
1760 (standard_sse_constant_p): Add case for -1 vector.
1761 (ix86_expand_vector_move): Try to use.
1762 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1763 Call standard_sse_constant_opcode.
1764 (*movv4sf_internal): Ditto.
1765 (*movv2df_internal): Ditto.
1767 2006-06-29 Roger Sayle <roger@eyesopen.com>
1769 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1770 of XEXP to extract the operands of a MATCH_CODE rtx.
1772 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1774 * tree.c (tree_size): Do not waste tail padding in
1775 struct tree_string and make the size be the same as
1776 build_string will generate.
1778 2006-06-28 Jason Merrill <jason@redhat.com>
1781 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1782 may_aliases already in the tag's annotations to the bitmap.
1784 2006-06-28 Roger Sayle <roger@eyesopen.com>
1786 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1788 2006-06-28 Roger Sayle <roger@eyesopen.com>
1790 * genpreds.c (generate_switch_p): New function.
1791 (add_mode_tests): Push the new mode test down inside an AND expr
1792 if this allows the switch-suitable MATCH_CODE to be near the root.
1793 (write_match_code_switch): New function to write a MATCH_CODE as
1795 (write_predicate_stmts): New function to write a predicate RTX
1796 expression as a sequence of statements.
1797 (write_one_predicate_function): Use write_predicate_stmts.
1798 (write_tm_constrs_h): Likewise.
1800 2006-06-26 Fred Fish <fnf@specifix.com>
1802 * config/mips/t-sb1: New file.
1803 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1806 2006-06-26 DJ Delorie <dj@redhat.com>
1808 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1810 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1811 Jayant Sonar <jayants@kpitcummins.com>
1812 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1814 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1815 (subsi3, subsi3_1, subsi3_2): New.
1816 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1817 * config/m32c/mov.md (SI mov peephole): New.
1818 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1819 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1821 2006-06-26 Olivier Hainque <hainque@adacore.com>
1823 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1824 a CALL_EXPR target function declaration.
1826 2006-06-26 Richard Guenther <rguenther@suse.de>
1828 * tree.c (build_string): Do not waste tail padding in
1831 2006-06-26 Richard Guenther <rguenther@suse.de>
1833 * ggc-page.c (init_ggc): Add missing element to size_lookup
1837 2006-06-23 Richard Guenther <rguenther@suse.de>
1839 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1840 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1841 alignment requests instead. Add verification code.
1842 Add struct tree_function_decl and struct tree_binfo size to
1843 extra_order_size_table. Add missing element to size_lookup
1846 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1849 * fold-const.c (const_binop): Be prepared for self returning zero.
1850 Simplify code handling complex values.
1852 2006-06-24 Olivier Hainque <hainque@adacore.com>
1854 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1855 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1858 2006-06-24 Olivier Hainque <hainque@adacore.com>
1860 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1861 ARRAY_REF, so have the callback called for the low bound expression.
1863 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1865 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1866 * c-typeck.c (c_common_type): Disallow operations on decimal float
1867 types and other float types.
1868 * convert.c (convert_to_real): Don't ignore conversions involving
1869 decimal float types.
1871 2006-06-23 Olivier Hainque <hainque@adacore.com>
1873 * tree.c (max_int_size_in_bytes): New function, inspired from
1874 code in function.c:assign_temp.
1875 * tree.h (max_int_size_in_bytes): Declare.
1876 * function.c (assign_temp): Use it.
1877 * gimplify.c (create_tmp_var): Relax the assertions on the type
1878 properties, not mandating constant size any more.
1879 (force_constant_size): New static function.
1880 (gimple_add_tmp_var): Use it, forcing variable size to a
1881 constant upper bound if it is not constant on entry.
1883 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1886 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1887 for initialization and setting of one_only flag to ...
1888 (i386_pe_encode_section_info): ...here.
1889 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1890 Recheck that the symbol has not been defined.
1892 2006-06-23 Richard Guenther <rguenther@suse.de>
1894 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1895 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1896 alignment requests instead. Add verification code.
1897 Add struct tree_function_decl and struct tree_binfo size to
1898 extra_order_size_table. Add missing element to size_lookup
1901 2006-06-22 Roger Sayle <roger@eyesopen.com>
1902 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1905 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1906 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1908 2006-06-23 Ben Elliston <bje@au.ibm.com>
1910 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1911 negate dn -- manipulate it directly.
1913 2006-06-22 Roger Sayle <roger@eyesopen.com>
1914 Steven Bosscher <stevenb.gcc@gmail.com>
1917 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1918 generated by gen_move_insn to add REG_LABEL notes if necessary.
1920 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1922 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1923 (leaf_entry): Remove use of MIN_ESA.
1925 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1927 PR rtl-optimization/28121
1928 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1931 2006-06-21 DJ Delorie <dj@redhat.com>
1933 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1935 (mulhisi3_r): Likewise.
1937 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1940 * coverage.c (coverage_counter_alloc): Leave the index type
1942 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1945 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1947 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1948 section from the "Options for Code Generation Conventions".
1950 2006-06-21 Richard Henderson <rth@redhat.com>
1954 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1956 (global_symbolic_operand): Allow weak symbols, even if local_p.
1958 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1960 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1961 (find_interesting_uses_address): Punt if above function returns true.
1963 2006-06-21 Richard Guenther <rguenther@suse.de>
1965 * configure: Regenerated.
1967 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1969 * config/mips/mips.c (function_arg): Where one part of a
1970 complex argument is in registers and the other part in the stack,
1971 return a REG not a PARALLEL.
1973 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1975 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1976 when cross-compiling. Do not substitute libstdcxx_incdir.
1977 * configure: Regenerated.
1979 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1981 * varasm.c (mergeable_string_section): Check for embedded NULs and
1982 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1983 rather than TREE_STRING_LENGTH bytes.
1985 2006-06-21 Richard Guenther <rguenther@suse.de>
1987 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1988 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1991 2006-06-21 Richrad Guenther <rguenther@suse.de>
1993 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1994 Limit iteration over the dominators.
1996 2006-06-20 Roger Sayle <roger@eyesopen.com>
1998 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1999 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2001 2006-06-20 Richard Guenther <rguenther@suse.de>
2002 Michael Matz <matz@suse.de>
2004 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2006 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2007 * et-forest.h (et_free_pools): Prototype new function.
2008 * et-forest.c (et_free_tree_force): Free parent occurrence.
2009 (et_free_pools): New function.
2010 * dominance.c (free_dominance_info): Free et-forest alloc
2013 2006-06-20 Roger Sayle <roger@eyesopen.com>
2015 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2016 integer modes, attempt to directly construct an integer constant.
2018 * fold-const.c (native_encode_vector): Determine the size of each
2019 element from the vector type instead of the first vector element.
2021 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2022 if all of its elements/components are constant.
2023 (build_constructor_from_list): Likewise.
2025 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2027 PR tree-optimization/27331
2028 * tree-data-ref.c (free_data_ref): New function.
2029 (create_data_ref): Fail if the data reference has unknown access
2031 (free_data_refs): Use free_data_ref.
2033 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2036 * tree-inline.c (setup_one_parameter): Strip useless
2037 type conversion before adding it to the IR.
2038 (declare_return_variable): Likewise.
2040 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2043 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2045 2006-06-19 Mike Stump <mrs@apple.com>
2047 * tree.c (variably_modified_type_p): VM arguments don't make the
2050 2006-06-19 Richard Guenther <rguenther@suse.de>
2052 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2053 type conversions after folding.
2055 2006-06-19 Richard Guenther <rguenther@suse.de>
2057 * ggc-page.c (extra_order_size_tab): Add entries with
2058 size of struct function and basic_block.
2059 (size_lookup): Extend to cover sizes up to 511.
2060 (ggc_alloc_stat): Adjust user.
2061 (ggc_pch_count_object): Likewise.
2062 (ggc_pch_alloc_object): Likewise.
2063 (ggc_pch_write_object): Likewise.
2065 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2067 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2068 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2071 2006-06-19 Denis Chertykov <denisc@overta.ru>
2073 * config/avr/libgcc.S : Correct my wrong previous commit.
2075 2006-06-19 Roger Sayle <roger@eyesopen.com>
2078 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2079 have stripped a SUBREG from the shift count, so we may need to
2080 convert_to_mode back to the type's mode before calling make_tree.
2081 Use new_amount instead of amount to avoid expanding a tree twice.
2083 2006-06-19 Richard Guenther <rguenther@suse.de>
2086 * fold-const.c (operand_equal_p): Check if the argument types
2087 have the same precision before stripping NOPs.
2089 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2091 Fix PR tree-optimization/27341
2092 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2094 * tree-complex.c (pass_lower_complex): Update SMT usage.
2096 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2098 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2099 Add a new alternative to the constraint strings. Add move of
2100 operand 1 to 3 to the splitter definition.
2101 ("doloop_si_long"): Second contraint alternative removed.
2103 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2105 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2106 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2108 (AVR_HAVE_MOVW) Define.
2109 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2110 (ASM_SPEC): Add avr25.
2111 (LINK_SPEC): Add avr25.
2112 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2113 (base_arch_s): Add new member 'have_movw_lpmx'.
2114 (avr_arch_types): Init 'have_movw_lpmx'.
2115 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2116 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2117 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2118 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2119 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2121 (avr_file_start): Do not output '.arh' derective.
2122 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2123 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2124 * config/avr/avr.md (mcu_enhanced): Delete.
2125 (mcu_have_movw): Define.
2126 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2127 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2128 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2129 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2130 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2131 attiny861 and at86rf401 devices.
2133 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2135 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2138 2006-06-17 Karl Berry <karl@gnu.org>
2140 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2141 doc/gccint.texi, doc/install.texi (@dircategory): Use
2142 "Software development" instead of "Programming", following
2143 the Free Software Directory.
2145 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2147 * config/i386/i386.c (legitimate_tls_address)
2148 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2149 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2150 (*tls_dynamic_gnu2_combine_64): Likewise.
2152 2006-06-16 Richard Guenther <rguenther@suse.de>
2155 * fold-const.c (negate_expr_p): Do not introduce undefined
2156 overflow in negating INTEGER_CSTs.
2157 (fold_negate_expr): Rename from negate_expr. Revert last
2158 change for folding BIT_NOT_EXPR. Change semantics to
2159 return NULL_TREE for non-simplified negations. Do not
2160 strip type conversions and unify type handling.
2161 (negate_expr): New function, wrap around fold_negate_expr
2162 but ensure building a tree always. Strip type conversions
2163 here, fold to result type.
2164 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2166 2006-06-16 Roger Sayle <roger@eyesopen.com>
2169 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2170 that (would) return their results in stack registers.
2172 2006-06-16 Michael Matz <matz@suse.de>
2173 Richard Guenther <rguenther@suse.de>
2175 * fold-const.c (fold_truthop): Only return new tree node if
2176 we canonicalized something.
2178 2006-06-16 Richard Guenther <rguenther@suse.de>
2180 * function.h (enum function_frequency): Move declaration
2181 out of struct function.
2182 (struct function): Move bool fields and the enum to the bitfield
2183 section. Reorder elements to avoid padding. Remove unused
2184 fields left over from the RTL inliner removal.
2185 * function.c (free_after_compilation): Do not zero removed fields.
2186 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2187 (ipa-type-escape.o): Likewise.
2189 2006-06-16 Richard Guenther <rguenther@suse.de>
2191 * cgraph.h (struct cgraph_local_info): Turn bool elements
2193 (struct cgraph_node): Likewise.
2194 (struct cgraph_varpool_node): Likewise.
2196 2006-06-15 Richard Guenther <rguenther@suse.de>
2198 * fold-const.c (fold_truth_not_expr): Rename from
2199 invert_truthvalue. Give it fold_* semantics to avoid
2201 (invert_truthvalue): New function. Wrapper around
2202 fold_truth_not_expr.
2203 (optimize_minmax_comparison): Avoid creating garbage.
2204 (fold_unary): Use fold_truth_not_expr for folding
2206 (fold_ternary): Replace uses of invert_truthvalue with
2207 fold_truth_not_expr where applicable.
2208 * tree.h (fold_truth_not_expr): Prototype.
2210 2006-06-16 Richard Guenther <rguenther@suse.de>
2212 PR tree-optimization/27781
2213 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2214 * ipa-pure-const.c (target.h): Include.
2215 (analyze_function): Do not analyze functions that do not
2218 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2221 * tree-dfa.c (referenced_vars_dup_list): Remove.
2222 (find_referenced_vars): Remove assert.
2223 (referenced_var_check_and_insert): Replace dup list with assert.
2224 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2225 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2227 2006-06-15 Richard Guenther <rguenther@suse.de>
2229 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2230 extra unused identifiers if not dumping.
2231 (create_variable_info_for): Likewise.
2233 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2235 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2236 (derive_constant_upper_bound): Derive more precise upper bound in
2237 common cases. Return type changed to double_int.
2238 (record_estimate): Reflect the changed return type of
2239 derive_constant_upper_bound.
2240 * double-int.c (double_int_zext, double_int_sext): Fix.
2242 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2244 * configure.ac (CFLAGS): Get them from the toplevel or from the
2245 configure invocation.
2246 * configure: Regenerate.
2247 * Makefile.in (CFLAGS): Substitute value provided by configure.
2249 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2252 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2253 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2254 rather than calling add_stmt on it.
2255 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2257 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2260 * reload1.c (reload): Remove registers returned by update_eliminables
2261 from used_spill_regs.
2263 2006-06-13 DJ Delorie <dj@redhat.com>
2265 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2267 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2269 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2270 html__strip_dir, html__mkdir_p. Enhance install-html target.
2271 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2272 * configure: Regenerate.
2274 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2276 * fold-const.c (fold_cond_expr_with_comparison): Check for
2277 Objective-C++ as language in deciding COND_EXPR transformation.
2279 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2282 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2283 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2284 * config/sh/lib1funcs.h (SL, SL1): Define.
2285 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2286 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2287 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2288 (OBJS_Os_4_200): New variable.
2289 ($(T)libgcc-Os-4-200.a): Use it.
2290 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2291 when dividing 1 and/or by 0.
2293 2006-06-13 Roger Sayle <roger@eyesopen.com>
2295 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2296 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2297 * configure: Regenerate.
2299 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2301 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2302 for real instruction.
2304 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2307 * haifa-sched.c (check_cfg): Handle special case.
2309 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2312 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2313 Add debug_info parameter. Chain the vars to the BLOCK instead
2314 of the BIND_EXPR if debug info are requested for them.
2315 (pop_gimplify_context): Adjust for above change.
2316 (gimple_add_tmp_var): Likewise.
2317 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2319 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2320 (convert_local_reference): Likewise.
2321 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2322 (finalize_nesting_tree_1): Request that debug info be emitted
2323 for debug_var_chain.
2325 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2327 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2328 for PR target/27863.
2330 2006-06-13 Richard Guenther <rguenther@suse.de>
2333 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2335 2006-06-13 Richard Guenther <rguenther@suse.de>
2337 PR tree-optimization/27830
2338 * tree-inline.c (copy_body_r): For copying the operand
2339 of an ADDR_EXPR make sure to fold &* afterwards.
2341 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2343 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2344 lvalues in the fb_none case with side-effects.
2346 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2348 * tree-flow.h: Remove the prototype for
2349 compute_phi_arg_on_exit.
2350 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2351 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2354 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2356 * builtins.c (expand_builtin_return_addr): Only use
2357 frame_pointer_rtx when count == 0 and we are expanding
2358 __builtin_return_address.
2360 2006-06-12 Fred Fish <fnf@specifix.com>
2362 * config/mips/mips.c (mips_file_start): Create special section
2363 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2365 2006-06-11 Eric Christopher <echristo@apple.com>
2368 * stor-layout.c (place_field): Remove check for
2369 remaining_in_alignment when aligning at the end of a run.
2371 2006-06-11 Eric Christopher <echristo@apple.com>
2374 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2377 2006-06-11 Roger Sayle <roger@eyesopen.com>
2380 Revert incorrect fix for PR target/27158
2381 2006-05-08 Roger Sayle <roger@eyesopen.com>
2382 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2383 of a reg_equiv_constant if the result is a legitimate constant.
2385 2006-06-11 Roger Sayle <roger@eyesopen.com>
2388 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2389 extract a CONST_VECTOR element and interpret it as an integer.
2390 (vspltis_constant): Use const_vector_elt_as_int instead of the
2391 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2392 * config/rs6000/predicates.md (easy_vector_const): Consider
2393 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2395 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2398 * stor-layout.c (update_alignment_for_field): Don't add extra
2399 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2402 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2404 * config/mips/t-rtems: Add EL/EB multilib variants.
2406 2006-06-09 Mike Stump <mrs@apple.com>
2408 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2410 2006-06-09 David Daney <ddaney@avtrex.com>
2412 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2414 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2416 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2418 2006-06-09 Richard Guenther <rguenther@suse.de>
2420 PR tree-optimization/26998
2421 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2422 of signed types, only TYPE_MIN_VALUE is special, but for both,
2423 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2424 in this case, as is -fwrapv.
2426 2006-06-08 Mike Stump <mrs@apple.com>
2429 * config/darwin.c (darwin_asm_output_anchor): Disable
2430 -fsection-anchors on darwin for now.
2431 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2432 * rs6000/rs6000.c (optimization_options): Likewise.
2434 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2437 * config/i386/i386.c (classify_argument): Skip fields with invalid
2440 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2442 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2443 (cse_insn): Likewise for the stack_pointer_rtx.
2445 2006-06-08 Roger Sayle <roger@eyesopen.com>
2447 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2448 conditions from floating point comparisons.
2450 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2453 * expmed.c (struct alg_hash_entry): Fix type of field T
2454 to match synth_mult argument.
2455 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2457 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2460 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2463 2006-06-08 Richard Guenther <rguenther@suse.de>
2466 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2467 only, if overflow is defined and not trapping.
2468 (negate_expr): Likewise.
2470 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2472 PR tree-optimization/27872
2473 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2474 flag on the new exit edge of the unrolled loop.
2476 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2478 PR rtl-optimization/26449
2479 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2481 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2484 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2485 referenced_variables with matching DECL_UID's.
2486 (find_referenced_vars): Make sure duplicate list is empty to start.
2487 (referenced_var_p): Remove.
2488 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2489 Check if var is in the list, and add if needed. Update the duplicate
2490 list if a different var is in the list with the same DECL_UID.
2491 (add_referenced_var): Call routine to check and insert.
2492 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2493 * tree-flow.h (referenced_vars_dup_list): External declaration.
2495 2006-06-07 Fred Fish <fnf@specifix.com>
2497 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2500 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2503 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2504 the imaginary and real parts of a clobbered register.
2505 Emit insn to set the imaginary part.
2507 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2509 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2510 in lieu of unwind-dw2-fde.c.
2512 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2514 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2516 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2519 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2520 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2521 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2522 V4SImode temporaries and operations instead.
2524 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2526 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2529 2006-06-06 Mike Stump <mrs@apple.com>
2531 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2532 installing during build.
2534 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2536 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2538 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2539 * config/ia64/ia64.c (params.h): New header.
2540 (ia64_optimization_options): New function to adjust parameters.
2541 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2542 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2543 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2545 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2547 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2549 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2552 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2554 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2555 Victor Kaplansky <victork@il.ibm.com>
2557 PR tree-optimization/26360
2558 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2561 2006-06-04 Roger Sayle <roger@eyesopen.com>
2562 Andrew Pinski <pinskia@physics.uc.edu>
2565 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2566 for LABEL_DECL before calling DECL_WEAK.
2569 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2570 LABEL_DECL and PARM_DECL.
2572 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2576 * c-decl.c (grokdeclarator): Disallow variably modified types at
2577 file scope. Avoid marking shared array type of constant size as
2580 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2583 * c-common.c (fold_offsetof_1): Handle static members.
2585 2006-06-04 Eric Christopher <echristo@apple.com>
2587 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2588 (debug_rli): Output value for remaining_in_alignment.
2589 (update_alignment_for_field): Unconditionalize
2590 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2591 extra alignment code.
2592 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2593 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2594 * tree.h (record_layout_info_s): Remove prev_packed.
2595 * doc/extend.texi (ms_struct): Add documentation of format.
2597 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2599 * tree.h: Declare folding_initializer.
2600 * builtins.c (fold_builtin_constant_p): Give definite answer
2601 if folding inside an initializer.
2602 * fold-const.c: Define folding_initializer.
2603 (START_FOLD_INIT): Save and then set folding_initializer.
2604 (END_FOLD_INIT): Restore folding_initializer.
2606 2006-06-04 Richard Guenther <rguenther@suse.de>
2608 PR tree-optimization/27039
2609 * fold-const.c (fold_comparison): Handle pointer comparison
2610 again for all comparison codes. Compare offsets in signed
2612 (fold_binary): Move code from here.
2614 2006-06-03 Roger Sayle <roger@eyesopen.com>
2617 * config/i386/i386.c (construct_container): Split static issued_error
2618 flag into issued_sse_arg_error, issued_sse_ret_error and
2619 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2620 requires the use of x87 registers and the user explicitly
2621 specified the -mno-80387 command line option.
2623 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2625 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2626 HAVE_DECL_SIGALTSTACK.
2628 (segv_handler): Use MC_FLD.
2629 * configure.ac: Check for a sigaltstack declaration.
2630 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2631 * configure: Regenerate.
2632 * config.in: Regenerate.
2634 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2637 * Makefile.in (stmp-fixinc): Fix typo.
2639 2006-06-02 Roger Sayle <roger@eyesopen.com>
2641 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2642 are type correct. Clean-up.
2643 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2644 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2646 2006-06-01 DJ Delorie <dj@redhat.com>
2648 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2649 shift, as we've disabled the "switch" insn that needs it.
2651 2006-06-01 Per Bothner <bothner@bothner.com>
2653 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2654 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2655 * c-ppoutput.c (cb_define): Don't increment line 0.
2657 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2659 * doc/invoke.texi: Add cpu_type power6.
2660 * config.gcc: Add cpu_type power6.
2661 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2662 to power5+ with Altivec.
2663 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2664 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2666 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2668 * config/avr/avr.h (SET_ASM_OP): Define.
2670 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2672 * config/bfin/bfin.c: Fix comment typos.
2674 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2677 * doc/install.texi: Document --enable-bootstrap and
2678 --disable-bootstrap.
2680 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2682 * doc/install.texi: Document that InfoZIP can replace jar.
2684 2006-05-31 Roger Sayle <roger@eyesopen.com>
2686 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2687 isn't available, directly generate the simpler x87 patterns without
2688 the (use (const_int 0)).
2689 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2690 implementation isn't available.
2691 (*negdf2_1): Likewise.
2692 (*negxf2_1): XF mode negation is always done using the x87.
2693 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2695 2006-05-31 Roger Sayle <roger@eyesopen.com>
2697 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2698 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2700 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2702 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2704 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2705 * config/bfin/bfin.c (basic-block.h): Include.
2706 (struct machine_function): New.
2707 (bfin_init_machine_status): New.
2708 (override_options): Initialize init_machine_status.
2709 (bfin_hardware_loop): New.
2710 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2711 (DEF_VEC_P (loop_info)): New.
2712 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2713 (struct loop_info): New.
2714 (loop_info): New typedef.
2715 (struct loop_work): New.
2716 (loop_work): New typedef.
2717 (DEF_VEC_O (loop_work)): New.
2718 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2719 (bfin_dump_loops): New.
2720 (bfin_bb_in_loop): New.
2721 (bfin_scan_loop): New.
2722 (bfin_optimize_loop): New.
2723 (bfin_reorg_loops): New.
2724 (bfin_reorg): Use bfin_reorg_loops.
2725 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2727 (I_REGNO_P): Simplify.
2728 (DP_REGNO_P, DPREG_P): New macros.
2729 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2730 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2731 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2732 Add LT_REGS, LC_REGS, LB_REGS.
2733 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2735 (REGNO_REG_CLASS): Deal with loop registers.
2736 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2738 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2739 New constants for loop registers.
2740 (UNSPEC_LSETUP_END): New.
2741 (seq_insns): New define_attr. Set it for appropriate insns.
2742 (movsi_insn): Add alternatives for move from/to
2743 loop count registers.
2744 (doloop_end): New define_expand.
2745 (loop_end): New define_insn.
2746 (define_split for bad doloop_end): New.
2747 (lsetup_with_autoinit): New define_insn.
2748 (lsetup_without_autoinit): New define_insn.
2749 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2750 * config/bfin/predicates.md (lc_register_operand): New.
2751 (lt_register_operand): New.
2752 (lb_register_operand): New.
2753 (nondp_register_operand): New.
2754 (nondp_reg_or_memory_operand): New.
2755 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2757 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2759 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2760 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2762 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2764 * Makefile.in (CATALOGS): Add po/ prefix.
2765 * configure: Regenerated.
2767 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2770 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2771 a shift operand before calling shift_op. Avoid redundant call of
2774 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2775 DJ Delorie <dj@redhat.com>
2777 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2778 we're inserting is a singlt-bit constant.
2780 2006-05-30 Roger Sayle <roger@eyesopen.com>
2782 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2783 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2785 2006-05-30 Roger Sayle <roger@eyesopen.com>
2787 PR tree-optimization/23452
2788 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2789 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2790 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2791 complex values and with -ffast-math for FP complex values.
2793 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2795 * c-common.h: Remove the prototype for yyparse.
2796 * rtl.h: Remove the prototype for init_loop.
2798 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2800 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2803 2006-05-30 Roger Sayle <roger@eyesopen.com>
2805 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2807 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2808 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2810 2006-05-30 Dirk Mueller <dmueller@suse.de>
2813 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2814 for CONSTANT_CLASS_P expresisons.
2816 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2819 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2821 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2823 PR tree-optimization/27779
2824 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2825 initial_condition instead of CHREC_LEFT.
2827 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2829 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2830 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2831 Make prototypes ISO C90.
2833 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2834 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2836 * see.c (see_analyze_one_def): Correct check.
2837 (see_get_extension_data): Check if extension is parallel.
2838 (see_get_extension_reg): Likewise.
2840 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2843 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2844 into register for (code == GTU).
2846 2006-05-29 Roger Sayle <roger@eyesopen.com>
2848 PR tree-optimization/24964
2849 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2850 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2851 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2852 abs(x)*abs(x) as x*x for scalar floating point modes.
2854 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2857 * lambda-code.c (perfect_nestify): Don't copy statements
2858 in the inner loop: move them to the inner loop header.
2860 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2863 * c-tree.texi: Document OpenMP directives and clauses.
2865 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2867 * varasm.c (globalize_decl): Fix indentation.
2869 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2872 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2873 pass_fre, pass_store_ccp, pass_copy_prop,
2874 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2875 pass_return_slot, pass_object_size, pass_lim,
2876 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2877 pass_loop_prefetch and pass_stdarg.
2879 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2881 * config/bfin/bfin.opt (mfdpic): New option.
2882 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2883 (EXTRA_MULTILIB_PARTS): Likewise.
2884 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2885 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2887 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2888 (CRT_CALL_STATIC_FUNCTION): New.
2889 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2891 (CRT_CALL_STATIC_FUNCTION): New.
2892 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2894 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2895 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2896 (initialize_trampoline): Changed to handle FD-PIC code generation.
2897 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2898 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2899 (override_options): Disallow -mid-shared-library -mfdpic combination.
2900 Can't do unaligned ops if FD-PIC.
2901 Turn off flag_pic if trying to generate non-id-shared-library
2902 non-fdpic code, since it's not supported.
2903 (bfin_assemble_integer): New function.
2904 (TARGET_ASM_INTEGER): Define.
2905 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2907 * config/bfin/crtn.s: Restore them.
2908 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2910 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2911 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2912 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2913 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2914 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2916 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2917 FDPIC_REGS and FDPIC_FPTR_REGS.
2918 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2919 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2920 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2921 (load_funcdescsi): New pattern.
2922 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2923 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2924 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2926 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2928 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2931 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2933 * tree-flow.h: Remove the prototype for add_type_alias.
2934 * tree-ssa-alias.c (add_type_alias): Remove.
2936 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2938 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2939 config/fr30/fr30.md, config/i386/i386-interix.h,
2940 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2941 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2942 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2943 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2944 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2945 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2946 Follow spelling conventions.
2947 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2948 Follow spelling conventions.
2950 2006-05-27 Richard Guenther <rguenther@suse.de>
2953 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2954 to produce a constant of value 1 of generic type.
2956 2006-05-27 Dirk Mueller <dmueller@suse.de>
2958 * cgraphunit.c (decide_is_function_needed): Fix wrong
2961 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2963 PR rtl-optimization/27661
2964 * reload.c (find_reloads): When reloading a VOIDmode constant
2965 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2966 use Pmode as mode of the reload register.
2968 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2970 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2971 is enabled at -O and above.
2973 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2976 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2979 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2982 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2983 for anonymous variables explicitly declared by front ends.
2985 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2987 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2988 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2989 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2990 ref-all pointers, run a finalization pass for them.
2991 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2992 (finalize_ref_all_pointers): New function.
2993 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2994 regular pointer type to a ref-all pointer type.
2995 (get_tmt_for): Return the special memory tag for ref-all pointers.
2997 2006-05-25 Richard Guenther <rguenther@suse.de>
3000 * fold-const.c (fold_binary): Do not look at the stripped
3001 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3003 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3005 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3006 for LT and GT if the computed range is effectively empty.
3008 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3011 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3012 mips_quad_format formats instead of ieee_single_format,
3013 ieee_double_format and ieee_quad_format formats, respectively.
3015 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3017 PR tree-optimization/27639
3018 PR tree-optimization/26719
3019 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3020 call to scev_probably_wraps_p.
3021 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3022 used_in_pointer_arithmetic_p, convert_step): Removed.
3023 (nowrap_type_p): New function.
3024 (scev_probably_wraps_p): Rewritten.
3025 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3026 chrec_convert if chrec_convert_aggressive might have been used.
3027 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3028 scev_direction): New functions.
3029 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3030 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3031 instead of convert_step.
3032 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3033 (convert_step): Declaration removed.
3034 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3036 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3038 * df-core.c: Added to header comments.
3039 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3040 df_ur_bb_info, df_urec_bb_info): Added comments.
3041 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3042 urec, ri problems): Fixed header comments.
3043 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3044 code from df_rd_transfer_function.
3046 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3048 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3049 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3050 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3052 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3054 * expr.c (undefined_operand_subword_p): New.
3055 (emit_move_multi_word): Do not generate move from undefined bits
3056 of a paradoxical subreg.
3058 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3060 PR rtl-optimization/27736
3061 * combine.c (replaced_rhs_value): New variable.
3062 (combine_instructions): Set it.
3063 (distribute_notes): When distributing a note in replaced_rhs_insn,
3064 check whether the value was used in replaced_rhs_value.
3066 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3069 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3070 add_referenced_var instead of add_referenced_tmp_var.
3071 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3072 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3074 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3075 tree_optimize_tail_calls_1): Use add_referenced_var.
3076 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3077 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3078 Use add_referenced_var.
3079 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3080 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3081 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3082 Use add_referenced_var.
3083 * tree-dfa.c (struct walk_state): Remove.
3084 (find_referenced_vars): Remove walk state and vars_found hash table.
3085 (make_rename_temp): Use add_referenced_var.
3086 (find_vars_r): Pass less parameters to add_referenced_var.
3087 (referenced_var_p): New. Is var in referenced_var hash table.
3088 (referenced_var_insert): Assert var isn't already in hash table.
3089 (add_referenced_var): Don't need walk_state parameter. Add var if it
3090 isn't already in the hash table.
3091 (add_referenced_tmp_var): Remove.
3092 (find_new_referenced_vars_1): Use add_referenced_var.
3093 * tree-ssa-pre.c (create_expression_by_pieces,
3094 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3095 Use add_referenced_var.
3096 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3097 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3098 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3100 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3101 vect_create_data_ref_ptr, vect_create_destination_var,
3102 vect_init_vector, vect_build_loop_niters,
3103 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3104 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3105 Use add_referenced_var.
3106 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3107 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3108 (add_referenced_var): Add prototype.
3109 * tree-ssa-structalias.c (get_constraint_for,
3110 intra_create_variable_infos): Use add_referenced_var.
3112 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3114 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3115 big-endian paradoxical subregs.
3116 * var-tracking.c (struct micro_operation_def): Document that,
3117 for modify micro operations, insn is the subsequent instruction.
3118 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3119 (var_reg_set, var_mem_set): ... new functions.
3120 (add_stores): Record subsequent insn.
3121 (compute_bb_dataflow): Use new functions for MO_USE.
3122 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3123 notes after the insn, and modify notes before the insn known
3124 to be the subsequent one.
3125 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3127 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3130 * config/i386/i386.c (ix86_expand_builtin): Use
3131 gen_sse3_monitor64 for TARGET_64BIT.
3133 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3135 PR rtl-optimization/26375
3136 PR rtl-optimization/26855
3137 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3139 (df_ru_bb_local_compute): Reversed statements and removed bogus
3140 comment explaining why they should be in wrong order.
3141 (df_ru_dump, df_rd_dump): Enhanced debug info.
3142 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3144 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3145 reaching uses and fixed space problem.
3147 2006-05-23 Jan Hubicka <jh@suse.cz>
3149 * cgraphunit.c (decide_is_function_needed): Also nested functions
3150 and functions declared inline can be optimized out at -O0.
3152 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3154 * doc/install.texi (Configuration): Remove reference to CrossGCC
3158 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3161 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3162 ix86_compare_emitted is non-NULL.
3164 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3167 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3170 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3172 PR rtl-optimization/25514
3173 * combine.c (replaced_rhs_insn): New variable.
3174 (combine_instructions): Set replaced_rhs_insn when trying to replace
3175 a SET_SRC with a REG_EQUAL note.
3176 (distribute_notes): Use replaced_rhs_insn when determining the live
3177 range of a REG_DEAD register.
3179 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3180 Anatoly Sokolov <aesok@post.ru>
3182 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3183 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3184 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3185 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3186 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3187 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3188 at90usb647, at90usb1286 and at90usb1287 devices.
3189 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3190 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3192 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3194 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3196 2006-05-22 Richard Guenther <rguenther@suse.de>
3199 2006-01-31 Richard Guenther <rguenther@suse.de>
3200 Paolo Bonzini <bonzini@gnu.org>
3202 * doc/install.texi (--disable-libgcc-math): Document.
3204 2006-05-22 Richard Guenther <rguenther@suse.de>
3207 2006-01-31 Richard Guenther <rguenther@suse.de>
3209 * doc/invoke.texi (-msselibm): Document.
3210 * target.h (expand_library_builtin): New target hook.
3211 * builtins.c (expand_builtin): Use expand_library_builtin.
3212 (default_expand_library_builtin): New function.
3213 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3214 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3215 (link_gcc_math_spec): Declare.
3216 (static_specs): Add link_gcc_math_spec.
3217 * expr.h (default_expand_library_builtin): Declare.
3218 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3219 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3220 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3221 * config/i386/i386.opt (msselibm): New target option.
3222 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3223 (ix86_init_sse_abi_builtins): New function.
3224 (ix86_expand_library_builtin): Likewise.
3225 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3226 (override_options): Handle error conditions wrt -msselibm.
3227 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3228 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3229 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3232 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3235 * c-common.c (self_promoting_args_p): Skip erroneous args.
3238 * c-decl.c (finish_struct): Skip erroneous fields.
3240 2006-05-22 Nick Clifton <nickc@redhat.com>
3242 * config/cris/cris.opt (march): Remove VarExists attribute.
3243 (max-stackframe=): Likewise.
3245 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3247 * doc/rtl.texi: Fix a typo.
3248 * see.c: Fix comment typos.
3250 * tree-ssa-structalias.h (alias_info): Remove num_references.
3252 2006-05-21 Mike Stump <mrs@apple.com>
3254 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3256 (darwin_pragma_options): Use BAD instead.
3257 (darwin_pragma_unused): Likewise.
3258 (darwin_pragma_ms_struct): Likewise.
3260 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3262 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3264 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3266 PR rtl-optimization/27671
3267 * simplify-rtx.c (simplify_relational_operation_1): Fix
3268 simplifications of (eq/ne (xor x y) y) and
3269 (eq/ne (xor x y) x).
3271 PR tree-optimization/26622.
3272 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3275 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3277 * tree-cfg.c: Prune whitespace.
3278 (debug_tree_cfg): Point to correct header containing the
3281 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3284 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3286 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3289 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3290 or sorry count is non zero.
3292 2006-05-20 Andreas Schwab <schwab@suse.de>
3294 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3296 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3297 Kenneth Zadeck <zadeck@naturalbridge.com>
3299 PR rtl-optimization/26855
3301 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3303 (df_scan_alloc): Added code to properly handle multiword hard
3304 registers and add all_blocks parameter.
3305 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3306 code to properly handle multiword hard registers.
3307 (df_rescan_blocks): Added code to remove deleted blocks from
3309 (df_ref_create_structure, df_ref_record): Added code to properly
3311 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3312 and set DF_REF_PARTIAL.
3313 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3314 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3315 (df_scan_add_problem): Added flags parameter.
3316 (df_ref_create_structure): Changed switching structure.
3317 (df_bb_refs_record): Fixed case where duplicate artificial refs
3318 were created. Changed location of flags.
3319 (df_record_entry_block_defs): Added code to make stack pointer
3320 live in entry block. Refined cases where frame pointer is needed.
3321 Changed location of flags.
3322 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3323 (df_set_state): Removed function.
3324 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3325 df_insn_create_insn_record, df_insn_refs_delete,
3326 df_ref_create_structure): Formatting changes.
3327 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3328 df_delete_basic_block): New function.
3329 (df_init): Changed location of flags.
3330 (df_add_problem): Added flags parameter and the way flags are
3332 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3333 debug_df_chain): Improved debugging output.
3334 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3335 (df_refs_chain_dump): Removed df parameter.
3336 (df_iterative_dataflow): Added consistency check.
3337 (df_prune_to_subcfg): Made public.
3338 (df_analyze_problem): Added blocks_to_init parameter and made
3340 (df_ref_record, df_bb_refs_record, df_mark_reg,
3341 df_record_exit_block_uses): Whitespace changes.
3342 (df_dump): Whitespace changes.
3343 * df.h: Some reordering to remove forward references.
3344 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3345 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3346 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3347 (dataflow.flags): New field.
3348 (df.flag): Deleted field.
3349 (df_alloc_function): Added additional bitmap parameter.
3350 (df_dependent_problem_function): New type.
3351 (df_problem.changeable_flags): New field.
3352 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3353 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3354 (df_mw_hardreg): New struct.
3355 (DF_INSN_UID_MWS): New macro.
3356 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3358 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3359 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3360 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3361 (df_set_state): Removed function.
3362 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3363 * df-problems.c (df_chain_dump): Removed df parameter.
3364 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3365 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3367 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3368 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3369 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3370 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3371 DF_REF_MUST_CLOBBER cases.
3372 (df_ru_bb_local_compute_process_def,
3373 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3374 df_lr_bb_local_compute, df_ur_bb_local_compute,
3375 df_chain_create_bb): Made subreg aware.
3376 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3377 df_lr_bb_local_compute, df_lr_bb_local_compute,
3378 df_chain_create_bb): Cleanup to use proper macros.
3379 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3380 code to fixup bitvectors.
3381 (df_ri_alloc): Cleared lifetime.
3382 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3383 df_create_unused_note): New function.
3384 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3385 REG_DEAD and REG_UNUSED notes as well as register information.
3386 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3387 df_chains_dump): Fixed crash if problem was never run.
3388 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3389 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3390 df_ri_add_problem): Processes flags in uniform manner.
3391 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3392 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3393 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3394 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3395 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3396 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3397 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3398 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3399 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3400 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3401 * see.c (see_initialize_data): Ditto.
3402 * final.c (rest_of_clean_state) Added regstack_completed.
3403 * rtl.h (regstack_completed): Ditto.
3404 * reg-stack.c (regstack_completed): Ditto.
3406 2006-05-19 Mike Stump <mrs@apple.com>
3408 * c-tree.h (default_conversion): Remove.
3409 * c-common.h (default_conversion): Add.
3411 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3413 * tree-vrp.c (valid_value_p): New function.
3414 (adjust_range_with_scev): Fail if the value of bound is not
3417 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3419 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3420 (mips_fallback_frame_state): Use syscall numbers to determine
3421 the appropriate li instruction for the current ABI. Only use
3422 __NR_sigreturn for o32.
3424 2006-05-19 Nicolas Setton <setton@adacore.com>
3426 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3427 * langhooks.c (lhd_dwarf_name): New function.
3428 * langhooks-def.h (lhd_dwarf_name): Declare.
3429 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3430 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3431 * ada/misc.c (gnat_dwarf_name): New function.
3432 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3434 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3436 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3438 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3439 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3440 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3441 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3442 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3443 determine the size of Wtype, etc.
3444 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3445 (swfloatfuncs): New variable.
3446 (dwfloatfuncs): Likewise.
3447 (lib2funcs): Remove floating-point conversion functions from
3448 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3449 the set of conversion routines needed. Allow entries to specify
3450 an object name, filename and word size. Update users accordingly.
3451 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3452 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3456 2006-02-08 Roger Sayle <roger@eyesopen.com>
3459 * config/fixtfdi.c: New libgcc source file.
3460 * config/fixunstfdi.c: New source file.
3461 * config/floatditf.c: New source file.
3462 * config/floatunditf.c: New souce file.
3463 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3464 files above instead of config/mips/_tilib.c.
3465 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3467 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3469 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3470 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3472 2006-05-18 Mike Stump <mrs@apple.com>
3474 Fix up vla, vm and [*] sematics.
3480 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3481 (c_vla_unspec_p): Add.
3482 (c_vla_type_p): Add.
3483 * c-decl.c (struct c_scope): Add had_vla_unspec.
3484 (build_array_declarator): Add support for [*].
3485 (grokdeclarator): Likewise.
3486 (grokparms): Likewise.
3487 (get_parm_info): Likewise.
3488 * c-objc-common.c (c_vla_unspec_p): Likewise.
3489 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3490 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3491 typeof when argument is a variably modified type not inside sizeof or alignof.
3492 (c_parser_direct_declarator_inner): Propagate errors.
3493 (c_parser_sizeof_expression): Add support for [*].
3494 (c_parser_parms_declarator): Initialize had_vla_unspec.
3495 (c_parser_parms_list_declarator): Likewise.
3496 * c-typeck.c (c_vla_type_p): Add.
3497 (composite_type): Add support for vla compositing.
3498 (comptypes_internal): Add support for vla compatibility.
3499 (c_expr_sizeof_expr): Evaluate vla arguments.
3500 * tree.c (variably_modified_type_p): Update comment for [*].
3502 2006-05-18 Michael Matz <matz@suse.de>
3505 * config.host: Make assignments to host_xmake_file cumulative.
3506 * config.host (*-darwin*): Test $host, not $target.
3508 2006-05-12 Stuart Hastings <stuart@apple.com>
3510 * config/i386/i386.opt (-mstackrealign): New flag.
3511 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3512 (ix86_handle_cconv_attribute): Emit error when
3513 force_align_arg_pointer attribute collides with too many regparms.
3514 (ix86_function_regparm): Limit regparms when used with
3515 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3516 Support stack-realigning prologue in non-main functions. Emit
3517 warning for nested functions under -mstackrealign, emit error for
3518 nested functions with force_align_arg_pointer attribute.
3519 * doc/extend.texi (force_align_arg_pointer): Document it.
3520 * doc/invoke.texi (-mstackrealign): Document it.
3522 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3524 PR rtl-optimization/27477
3525 * combine.c (try_combine): Don't split a parallel consisting
3526 of two sets into two individual sets if both sets reference
3529 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3531 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3532 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3534 * doc/options.texi (VarExists): Updated.
3536 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3538 * unwind-dw2.c: Add declarations for uw_update_context and
3540 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3541 detected, advance frame state and context once to skip over stub.
3543 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3547 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3548 Call rewrite_into_loop_closed_ssa only when something changed.
3549 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3550 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3551 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3552 Test for perfect_nest_p here. Fix formating.
3553 (replace_uses_equiv_to_x_with_y): Fix formating.
3554 (stmt_uses_op): Removed.
3555 (can_convert_to_perfect_nest): Removed loopivs parameter.
3556 Complete the test by checking the scalar dependences.
3557 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3560 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3563 From Dan Kegel <dank@kegel.com>:
3564 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3566 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3568 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3569 if the element type is variably modified without recursing.
3571 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3574 * tree-loop-linear.c (try_interchange_loops): Test for
3575 no data dependences.
3577 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3579 PR tree-optimization/27548
3580 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3581 range of ssa names that appear on abnormal edges.
3582 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3583 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3585 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3588 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3590 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3593 * tree.h (OMP_PARALLEL_COMBINED): Define.
3594 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3595 (new_omp_context): Add is_combined_parallel argument.
3596 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3597 new_omp_context caller.
3598 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3599 Adjust gimplify_scan_omp_clauses callers.
3600 (omp_is_private): Issue errors if iteration variable is firstprivate
3601 or reduction in the current context.
3602 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3603 on combined parallel workshare constructs.
3605 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3607 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3608 (gcc-options.o): New rule.
3610 * optc-gen.awk: Protect variables for gcc-options.o with
3611 #ifdef GCC_DRIVER/#endif.
3613 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3615 Fix PR tree-optimization/27373
3616 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3617 (forward_propagate_addr_expr): Update call.
3619 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3621 * doc/options.texi: Move the Negative option.
3623 2006-05-16 Richard Guenther <rguenther@suse.de>
3625 PR tree-optimization/22303
3626 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3628 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3629 ccp_fold did not simplify the statement.
3631 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3634 * Makefile.in (GCC_OBJS): New.
3635 (OBJS-common): Add opts-common.o.
3636 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3637 (cpp$(exeext)): Likewise.
3638 (gcc.o): Also depend on opts.h.
3639 (opts-common.o): New.
3641 * common.opt (gcoff): Add Negative(gdwarf-2).
3642 (gdwarf-2): Add Negative(gstabs).
3643 (gstabs): Add Negative(gstabs+).
3644 (gstabs+): Add Negative(gvms).
3645 (gvms): Add Negative(gxcoff).
3646 (gxcoff): Add Negative(gxcoff+).
3647 (gxcoff+): Add Negative(gcoff).
3648 * config/i386/i386.opt (m32): Add Negative(m64).
3649 (m64): Add Negative(m32).
3651 * doc/options.texi: Document the Negative option.
3653 * gcc.c: Include "opts.h".
3654 (main): Call prune_options after expandargv.
3656 * optc-gen.awk: Generate common declarations for all flag
3657 variables in options.c. Output the neg_index field.
3659 * opts.c (find_opt): Moved to ...
3660 * opts-common.c: Here. New file.
3662 * opts.h (cl_option): Add a neg_index field.
3664 (prune_options): Likewise.
3666 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3669 * omp-low.c (expand_omp_parallel): Don't assert
3670 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3671 instead search for it.
3674 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3677 2006-05-16 Andreas Schwab <schwab@suse.de>
3679 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3682 2006-05-15 Roger Sayle <roger@eyesopen.com>
3685 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3686 integer constants other than zero are only legitimate on TARGET_64BIT.
3687 <CONST_VECTOR> Only zero vectors are legitimate.
3688 (ix86_cannot_force_const_mem): Integral and vector constants can
3689 always be put in the constant pool.
3691 2006-05-16 DJ Delorie <dj@redhat.com>
3693 * crtstuff.c (__dso_handle): Set section from
3694 TARGET_LBIGCC_SDATA_SECTION if defined.
3695 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3696 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3698 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3701 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3704 2006-05-16 Ben Elliston <bje@au.ibm.com>
3706 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3708 2006-05-15 Per Bothner <per@bothner.com>
3710 * tree.c: (last_annotated_node): Use source_locus typedef.
3711 This permits bootstrapping with --enable-mapped-location.
3713 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3715 PR tree-optimization/26830
3716 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3717 (info_for_ssa_name, current_info_for_ssa_name_age,
3718 blocks_to_update): New variables.
3719 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3720 (clear_ssa_name_info, initialize_flags_in_bb,
3721 mark_block_for_update): New functions.
3722 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3723 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3724 prepare_def_site_for): Use mark_block_for_update.
3725 (mark_def_interesting): Assert that the processed block is marked in
3726 blocks_to_update. Do not take blocks argument.
3727 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3729 (rewrite_update_init_block, rewrite_update_stmt): Only process
3730 blocks with statements to rewrite.
3731 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3732 (update_ssa): Initialize and free blocks_to_update. Do not
3733 clear flags on statements. Do not use blocks bitmap.
3734 * tree.h (SSA_NAME_AUX): Removed.
3735 (struct tree_ssa_name): Removed aux field.
3736 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3738 2006-05-15 Richard Guenther <rguenther@suse.de>
3740 PR tree-optimization/27603
3741 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3742 Do computations in original type.
3744 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3746 * see.c: Code style changes such as redundant paranthesis,
3747 redundant intialization of local variables etc.
3748 (see_main): Declared now as static.
3749 * doc/invoke.texi: Update that -fsee is not enabled by
3752 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3754 * omp-low.c (check_omp_nesting_restrictions): New function.
3755 (scan_omp_1): Call it.
3758 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3759 construct, return *VAR.
3761 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3763 PR rtl-optimization/27406
3764 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3767 2006-05-14 Roger Sayle <roger@eyesopen.com>
3769 PR rtl-optimization/27538
3770 * combine.c (expand_compound_operation): Call gen_lowpart
3771 before calling simplify_shift_const.
3773 2006-05-14 Roger Sayle <roger@eyesopen.com>
3775 PR rtl-optimization/22563
3776 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3777 a fixed width bitfield, always force the intermediates into psuedos.
3779 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3782 * mkconfig.sh: Use operator = instead of == for test.
3784 2006-05-13 Nick Clifton <nickc@redhat.com>
3786 * dwarf2out.c (dbx_reg_number): Check return value from
3787 LEAF_REG_REMAP and only use it if it is valid.
3788 (multiple_reg_loc_descriptor): Likewise.
3790 2006-05-13 Richard Guenther <rguenther@suse.de>
3792 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3795 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3797 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3798 information attached to non-INSNs such as NOTEs.
3799 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3801 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3803 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3805 * config/s390/s390.md: Adjust comment describing On constraint.
3807 2006-05-11 Jan Hubicka <jh@suse.cz>
3809 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3810 to be output at -O0.
3812 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3815 * fold-const.c (size_binop): Move sanity check for arguments to
3816 the beginning of the function.
3819 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3822 2006-05-11 Richard Guenther <rguenther@suse.de>
3825 * fold-const.c (fold_unary): Handle intermediate conversion
3826 to a pointer type like intermediate conversion to an integer
3827 type in folding of (T1)(T2)var to var.
3828 Match the code to the comment in the final conversion for
3829 (T1)(T2)var to (T1)var regarding to type precision. Rather
3830 than disallow T1 being of pointer type, assert that both T1
3831 and var are of pointer type or not. Make sure not to fall
3832 over the frontends lazyness wrt array to pointer decay though.
3834 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3836 * arm.c (arm_struct_value_rtx): Delete.
3837 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3838 (arm_init_cumulative_args): Always initialize nregs to zero.
3840 2006-05-10 Richard Guenther <rguenther@suse.de>
3842 PR tree-optimization/27532
3843 * tree-object-size.c (plus_expr_object_size): Fix typo.
3845 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3848 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3849 ashrdi_const, ashrdi3): Use a scratch register.
3851 2006-05-10 Richard Guenther <rguenther@suse.de>
3853 PR tree-optimization/27302
3854 * fold-const.c (operand_equal_p): For two comparisons,
3855 try comparison of one comparison code swapped if that yields
3858 2006-05-10 Ben Elliston <bje@au.ibm.com>
3860 * tree-pretty-print.c (pretty_print_string): No need to handle
3861 '\0' as a special character.
3863 * tree.h: Include "hashtab.h".
3864 (iterative_hash_expr): Use hashval_t in its prototype.
3865 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3867 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3870 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3871 (hppa*64*-*-hpux11*): Ditto.
3872 (hppa[12]*-*-hpux11*): Ditto.
3874 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3877 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3879 2006-05-09 Michael Matz <matz@suse.de>
3881 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3882 host_extra_gcc_objs and host_xmake_file.
3883 (<*-*-linux*>): Don't overwrite host_xmake_file.
3884 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3885 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3886 (host_detect_local_cpu): Declare.
3887 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3888 * config/i386/i386.c (override_options): Handle -mtune=native
3890 * config/i386/x-i386: New file.
3891 * config/i386/driver-i386.c: New file.
3892 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3895 2006-05-09 Dirk Mueller <dmueller@suse.de>
3896 Richard Guenther <rguenther@suse.de>
3899 * fold-const.c (fold_read_from_constant_string): Relax check
3900 for matching types to matching modes.
3902 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3904 PR rtl-optimization/27335
3905 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3908 2006-05-08 Chao-ying Fu <fu@mips.com>
3909 Richard Sandiford <richard@codesourcery.com>
3911 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3912 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3913 * config/mips/mips.md (UNSPEC_SCC): New constant.
3914 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3915 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3916 (mips_emit_compare): Use it.
3917 (mips_expand_vcondv2sf): New function.
3919 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3921 Fix PR tree-optimization/27093
3922 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3923 renaming when they become not-used_alone.
3925 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3927 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3928 relocation and relocation stubs.
3930 2006-05-08 Eric Christopher <echristo@apple.com>
3932 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3935 2006-05-08 Jan Hubicka <jh@suse.cz>
3938 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3939 unused static functions are needed.
3941 2006-05-08 Roger Sayle <roger@eyesopen.com>
3944 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3945 of a reg_equiv_constant if the result is a legitimate constant.
3947 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3950 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3951 standard 80387 constants, raise the cost to prevent
3952 compress_float_constant() to generate load from memory.
3954 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3956 * config/arm/constraints.md (c): Fix a typo.
3958 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3961 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3964 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3966 (_mm_mwait): Likewise.
3968 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3970 (sse3_monitor): Make it 32bit only.
3971 (sse3_monitor64): New. 64bit monitor.
3973 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3976 * config/i386/i386.c (classify_argument): Skip fields with invalid
3979 2006-05-07 Richard Guenther <rguenther@suse.de>
3981 PR tree-optimization/27409
3982 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3983 Do not try to find zero-sized subvars.
3985 2006-05-07 Richard Guenther <rguenther@suse.de>
3987 PR tree-optimization/27136
3988 * tree-ssa-loop-niter.c (get_val_for): Correct function
3989 comment, assert requirements.
3990 (loop_niter_by_eval): Stop processing if the iterated
3991 value did not simplify.
3993 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3995 * opts.c (flag_see): remove its setting at -O3.
3997 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3999 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4000 * arm/constraints.md: New file.
4001 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4002 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4003 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4004 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4005 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4006 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4007 * arm.md: Include constraints.md.
4008 (thumb_movsi_insn): Use satisfies_constraint_J.
4009 (movhi, movqi): Use satisfies_constraint_I.
4011 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4013 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4014 for atmeg a645 device.
4016 2006-05-06 Richard Guenther <rguenther@suse.de>
4018 PR tree-optimization/27151
4019 * tree-vect-transform.c (vectorizable_condition): Punt on
4020 values that have a different type than the condition.
4022 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4025 * c-parser.c (c_parser_cast_expression): Only insert casts into
4026 hash table if pointer.
4027 * function.c (used_types_insert_helper): Rename from
4029 (used_types_insert): Call used_types_insert_helper.
4030 * function.h (used_types_insert): Accept only one argument.
4032 2006-05-05 David Edelsohn <edesohn@gnu.org>
4034 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4035 scratch with output modifier.
4037 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4040 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4041 with output modifier.
4043 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4046 * config/mips/mips.c (mips_symbolic_address_p): Return true
4047 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4048 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4050 2006-05-04 Richard Guenther <rguenther@suse.de>
4052 PR tree-optimization/14287
4053 PR tree-optimization/14844
4054 PR tree-optimization/19792
4055 PR tree-optimization/21608
4056 PR tree-optimization/27090
4057 * tree-ssa-pre.c (try_combine_conversion): New function.
4058 (compute_avail): After constructing the value-handle
4059 expression, use try_combine_conversion to combine NOP_EXPRs
4060 with previous value-handle expressions and use the result if it
4063 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4065 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4067 2006-05-04 Jan Hubicka <jh@suse.cz>
4070 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4072 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4074 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4075 that this only matches CONST_INTs. All users changed to VOIDmode
4078 * config/bfin/bfin.c: Include "optabs.h".
4079 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4081 (enum bfin_builtins): Add a number of fractional and vector builtins.
4082 (bfin_init_builtins): Likewise.
4083 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4084 (safe_vector_operand, bfin_expand_binop_builtin,
4085 bfin_expand_unop_builtin): New functions.
4086 (bfin_expand_builtin): Handle the new builtins.
4087 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4090 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4093 * Makefile.in (OBJS-common): Add see.o.
4094 (see.o): Add dependencies.
4095 * common.opt (fsee): New flag for the see optimization was added.
4096 * opts.c (flag_see): Initialized.
4097 * passes.c (init_optimization_passes, pass_see): New pass.
4098 * rtl.h (see_main): Declaration as extern.
4099 * timevar.def (TV_SEE): New.
4100 * tree-pass.h (pass_see): Declaration as extern.
4101 * invoke.texi (-fsee): Document.
4102 * recog.c (validate_simplify_insn): New function.
4103 * recog.h (validate_simplify_insn): Declaration as extern.
4104 * df-problems.c (df_chain_dump): Check for NULL.
4106 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4107 Daniel Berlin <dberlin@dberlin.org>
4109 * cfgrtl.c (insert_insn_bb_end_new): New function.
4110 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4112 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4114 * df.h (struct web_entry): Moved from web.c.
4115 (union_defs): Declaration as extern.
4116 (unionfind_root): Likewise.
4117 (unionfind_union): Likewise.
4118 * web.c (struct web_entry): Moved to df.h.
4119 (unionfind_root): Remove static declaration.
4120 (unionfind_union): Likewise.
4121 (union_defs): Likewise and generalize to use callback function.
4122 (web_main): Update arguments for union_defs function call.
4124 2006-05-04 Richard Guenther <rguenther@suse.de>
4126 PR tree-optimization/26447
4127 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4128 produce SSA_NAME copies before the store stmt to avoid
4129 breaking exception handling.
4131 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4134 * gimplify.c (omp_is_private): If var is shared in some outer context,
4135 return false instead of true. Stop searching on parallel context
4138 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4141 * coverage.c: Use get_gcov_unsigned_t() instead of
4142 unsigned_type_node all over.
4144 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4146 PR tree-optimization/27381
4147 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4148 maintain the same immediate_use links.
4149 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4150 node rather than segfaulting.
4152 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4155 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4156 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4157 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4159 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4161 Fix PR tree-optimization/26626
4162 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4164 * tree-ssa-operands.c (access_can_touch_variable): Allow
4165 typecasting through union pointers.
4167 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4170 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4171 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4172 to find if var will be a global variable even in the nested context.
4173 (omp_copy_decl): Only check for global variable at the end, it might
4174 be overridden in outer contexts.
4175 (scan_sharing_clauses): For global variables don't create a field.
4176 (lower_rec_input_clauses): Do nothing for global shared variables.
4177 Emit a barrier at the end of ILIST if there were any decls in both
4178 firstprivate and lastprivate clauses.
4179 (lower_send_clauses): Do nothing for global variables except for
4182 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4184 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4185 of the correct signedness is returned.
4187 2006-05-02 Jeff Law <law@redhat.com>
4189 PR tree-optimization/27364
4190 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4191 multiply expressions.
4193 2006-05-02 Tom Tromey <tromey@redhat.com>
4195 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4197 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4200 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4201 -mthumb -fPIC are used.
4203 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4204 Joshua Kinard <kumba@gentoo.org>
4207 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4208 with 64-bit pointers.
4210 2006-05-02 Paul Brook <paul@codesourcery.com>
4212 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4214 (create_fix_barrier): Check that a suitable barrier location is
4216 (arm_reorg): Include ftmp->address in allowable range of addresses.
4218 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4221 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4224 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4227 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4228 around RESULT_DECL for result passed by reference.
4229 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4230 * omp-low.c (use_pointer_for_field): Don't look at
4231 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4232 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4233 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4234 time or var for passing by reference for
4235 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4236 TREE_ADDRESSABLE variables when passing by reference.
4238 * omp-low.c (dump_omp_region): Fix output formatting.
4241 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4242 (expand_omp_parallel): Likewise.
4243 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4246 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4247 on statement list containing also constructors and destructors.
4248 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4251 * except.c (duplicate_eh_regions): Fix clearing of
4252 cfun->eh->region_array entries.
4254 2006-05-01 DJ Delorie <dj@redhat.com>
4256 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4258 (gcc_cv_objdump): Likewise.
4259 * configure: Regenerated.
4261 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4264 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4265 templates for case 3 and 4.
4267 2006-05-01 DJ Delorie <dj@redhat.com>
4269 * vec.c: Include bconfig.h when appropriate.
4270 * Makefile.in (build/vec.o): Adjust dependencies.
4271 * mkconfig.sh: Make sure config.h isn't used for build machine
4274 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4276 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4278 (mark_phi_for_rewrite): New function.
4279 (insert_phi_nodes_for, mark_use_interesting): Call
4280 mark_phi_for_rewrite.
4281 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4282 (update_ssa): Initialize and free phis_to_rewrite.
4284 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4286 PR rtl-optimization/27291
4287 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4288 folded to a constant.
4290 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4292 PR tree-optimization/27283
4293 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4294 not whole # of iteration descriptions.
4295 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4296 uses abnormal ssa name.
4297 (niter_for_single_dom_exit): Ditto.
4298 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4299 return just the number of iterations.
4301 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4303 PR tree-optimization/27144
4304 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4305 (record_estimate): Only record constant upper bound.
4306 (infer_loop_bounds_from_undefined): Call
4307 compute_estimated_nb_iterations just once.
4308 (proved_non_wrapping_p): Renamed to ...
4309 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4310 (convert_step_widening, scev_probably_wraps_p): Call
4311 n_of_executions_at_most instead of proved_non_wrapping_p.
4312 (substitute_in_loop_info): Do not replace values in bounds.
4313 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4316 2006-05-01 Richard Henderson <rth@redhat.com>
4319 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4320 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4323 2006-05-01 Roger Sayle <roger@eyesopen.com>
4325 * c-typeck.c (parser_build_binary_op): Don't call the function
4326 unsigned_conversion_warning to spot operand/result type overflow.
4327 (build_binary_op): Instead, call convert_and_check instead of
4328 convert to report the problem when the operands are promoted.
4329 * c-common.c (unsigned_conversion_warning): Make static.
4330 * c-common.h (unsigned_conversion_warning): Delete prototype.
4332 2006-05-01 Richard Guenther <rguenther@suse.de>
4334 PR tree-optimization/26726
4335 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4337 (find_interesting_uses_address): ... we work around here
4338 by folding INDIRECT_REFs in the substituted base.
4340 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4342 * omp-low.c (dump_omp_region): Add newlines.
4344 2006-04-30 Roger Sayle <roger@eyesopen.com>
4346 * common.opt (Woverflow): New command line option.
4347 * c-common.c (constant_expression_warning): Check warn_overflow.
4348 (overflow_waring): Pass OPT_Woverflow to warning.
4349 (unsigned_conversion_warning): Likewise.
4350 (convert_and_check): Likewise.
4351 * doc/invoke.texi: Document new command line option.
4353 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4355 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4356 TARGET_NO_FP_IN_TOC for section anchors.
4357 (optimization_options): Enable section anchors for all
4358 non-"Objective" languages.
4360 2006-04-28 Eric Christopher <echristo@apple.com>
4362 * config/darwin-c.c (darwin_ms_struct): Move this
4363 (darwin_set_default_type_attributes): and this...
4364 * config/darwin.c: ... here.
4365 * config/darwin.h (darwin_ms_struct): Declare.
4367 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4369 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4371 2006-04-28 Roger Sayle <roger@eyesopen.com>
4374 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4375 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4376 an unsigned HOST_WIDE_INT.
4377 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4379 (really_start_incremental_init): No need to call convert because
4380 bitsize_zero_node is already of type bitsizetype.
4381 (push_init_level): Extract the value of constructor_index as an
4382 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4383 (process_init_element): Likewise.
4385 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4387 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4388 value before passing to make_relative_prefix.
4390 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4393 * builtins.c (expand_builtin_memset): Expand val in original mode.
4395 2006-04-27 Eric Christopher <echristo@apple.com>
4397 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4398 with #ifndef/#endif.
4399 * config/darwin-c.c (darwin_ms_struct): New.
4400 (darwin_pragma_ms_struct): Ditto.
4401 (darwin_set_default_type_attributes): Ditto.
4402 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4403 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4404 Register ms_struct pragma.
4405 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4406 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4407 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4408 darwin_set_default_type_attributes if TARGET_MACHO.
4410 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4412 PR tree-optimization/26854
4413 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4414 * doc/tree-ssa.texi: Update immuse iterator documentation.
4415 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4416 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4417 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4418 first_safe_imm_use, next_safe_imm_use): Remove.
4419 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4420 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4421 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4422 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4423 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4424 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4425 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4426 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4427 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4428 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4429 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4430 (perfect_nestify): Use new iterator.
4431 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4433 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4434 (next_imm_name): New field in struct immediate_use_iterator_d.
4435 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4436 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4437 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4438 * tree-cfg.c (replace_uses_by): Use new iterator.
4439 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4440 * tree-ssa-operands.c (correct_use_link): Remove.
4441 (finalize_ssa_use_ops): No longer call correct_use_link.
4443 2006-04-27 Stuart Hastings <stuart@apple.com>
4445 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4446 * config/t-darwin (crt3.o): Use it.
4447 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4448 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4449 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4450 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4451 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4454 2006-04-27 Roger Sayle <roger@eyesopen.com>
4456 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4457 size, force the intermediate into a new pseudo rather instead of
4458 performing both a bitwise AND and a bitwise IOR in memory.
4460 2006-04-27 Richard Guenther <rguenther@suse.de>
4462 PR rtl-optimization/26685
4463 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4464 this one "max-flow-memory-locations".
4466 2006-04-27 Richard Guenther <rguenther@suse.de>
4468 PR tree-optimization/25148
4469 * tree-vrp.c (compare_values): Remove code dealing with
4470 comparisons against type min/max value. Honour overflow
4471 and negative constants in code dealing with comparisons
4472 of plus and minus expressions.
4473 (value_inside_range): Use fold_binary with LE_EXPR and
4474 GE_EXPR rather than compare_values.
4476 2006-04-27 Dirk Mueller <dmueller@suse.de>
4478 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4481 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4483 * basic-block.h (safe_insert_insn_on_edge): Removed.
4484 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4486 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4487 Paolo Bonzini <bonzini@gnu.org>
4490 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4491 (simplify_and_const_int): Same.
4493 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4495 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4497 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4500 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4501 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4502 cgraph_global_info_ready.
4505 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4508 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4509 either decl or init is error_mark_node.
4512 * tree-flow.h (struct omp_region): Add sched_kind.
4513 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4514 instead of extracting omp for data.
4515 (expand_omp_for): Save extracted sched_kind.
4517 2006-04-25 Roger Sayle <roger@eyesopen.com>
4519 * expmed.c (store_bit_field): Also check whether the bitsize is
4520 valid for the machine's "insv" instruction before moving the
4521 target into a pseudo for use with the insv.
4522 * config/i386/predicates.md (const8_operand): New predicate.
4523 * config/i386/i386.md (extv, extzv, insv): Use the new
4524 const8_operand predicate where appropriate.
4526 2006-04-25 DJ Delorie <dj@redhat.com>
4528 * doc/install.texi (Specific): Clarify that this is not a list of
4529 supported hosts or targets.
4531 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4533 PR rtl-optimization/26725
4534 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4535 block's BB_DIRTY flag.
4537 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4539 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4542 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4543 to print an integer.
4545 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4547 * varasm.c (align_variable): New function.
4548 (get_block_for_decl): Apply align_variable to DECL before
4549 calculating section information.
4550 (assemble_variable): Split out alignment computation.
4552 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4554 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4557 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4559 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4560 MODE_PARTIAL_INT mode.
4561 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4562 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4564 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4565 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4567 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4569 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4571 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4572 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4573 MACFLAG_IH): Likewise.
4574 (movstricthi_1): Renamed from "*movstricthi".
4575 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4576 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4577 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4578 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4579 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4580 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4581 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4582 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4583 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4584 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4585 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4586 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4587 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4588 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4589 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4591 * doc/rtl.texi (ss_ashift): Improve wording.
4593 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4595 * dwarf2out.c (verify_marks_clear): New.
4596 (prune_unused_types): Call verify_marks_clear initially, not
4599 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4601 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4602 * doc/rtl.texi: Document them.
4603 * simplify-rtx.c (simplify_unary_operation,
4604 simplify_binary_operation_1): Don't abort when we see them.
4606 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4609 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4610 * configure.ac: Completely disregard languages that are not
4612 * configure: Regenerated.
4614 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4615 Richard Guenther <rguenther@suse.de>
4617 PR tree-optimization/27236
4618 * tree-inline.c (copy_body_r): Make sure to copy
4619 TREE_THIS_VOLATILE flag.
4621 2006-04-24 Richard Guenther <rguenther@suse.de>
4624 * tree-complex.c (update_parameter_components): Don't handle
4625 unused parameters which have no default def.
4627 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4628 Richard Guenther <rguenther@suse.de>
4630 PR tree-optimization/27218
4631 * tree-inline.c (expand_call_inline): Strip useless type
4632 conversions for the return slot address.
4634 2006-04-24 Richard Guenther <rguenther@suse.de>
4636 * cfgloop.h (struct loops): Remove unused field array. Reorder
4638 (LOOP_PREFETCH): Remove.
4640 2006-04-24 Richard Guenther <rguenther@suse.de>
4642 PR tree-optimization/22525
4643 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4644 variable, adjust types of generated expressions.
4646 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4648 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4649 (tree-vect-patterns.o): Likewise.
4651 (cselib.o): Likewise.
4652 (loop-doloop.o): Likewise.
4653 (regclass.o): Likewise.
4654 (reload1.o): Likewise.
4655 (explow.o): Replace target.h with $(TARGET_H).
4656 (ipa-prop.o): Likewise.
4657 (ipa-cp.o): Likewise.
4658 (ipa-inline.o): Likewise.
4659 (reorg.o): Likewise.
4660 (reg-stack.o): Likewise.
4662 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4664 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4666 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4668 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4670 * configure.ac: Completely disregard languages that are not
4672 * configure: Regenerated.
4675 * c-common.h (c_build_bitfield_integer_type): Declare.
4676 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4677 * c-common.c (c_build_bitfield_integer_type): ... here.
4679 2006-04-23 Roger Sayle <roger@eyesopen.com>
4682 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4683 a SImode SUBREG of a floating point register after no_new_pseudos.
4685 2006-04-23 Roger Sayle <roger@eyesopen.com>
4687 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4688 identify potentially eliminable registers to additionally catch
4689 VIRTUAL_INCOMING_ARGS_REGNUM.
4690 (addsi3): Update the conditions on when to use addsi_small_int.
4692 2006-04-23 Roger Sayle <roger@eyesopen.com>
4695 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4696 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4697 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4699 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4701 * fold-const.c (range_predecessor): Use operand_equal_p
4702 as the predicate for equality.
4703 (range_successor): Likewise.
4705 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4708 * config/soft-fp/op-common.h: Fix a typo.
4710 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4713 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4714 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4716 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4718 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4720 * doc/tm.texi: Fix a typo.
4722 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4724 * dwarf2out.c (struct die_struct): Document that die_sib makes
4725 a circular linked list.
4726 (FOR_EACH_CHILD): New.
4727 (reverse_die_lists): Delete.
4728 (reverse_all_dies): Delete.
4729 (add_dwarf_attr): Correct documentation.
4730 (remove_child_with_prev): New.
4731 (remove_child_TAG): Update for change to die_struct, use
4732 remove_child_with_prev.
4733 (add_child_die): Update for change to die_struct.
4734 (splice_child_die): Use remove_child_with_prev and add_child_die.
4735 (print_die): Use FOR_EACH_CHILD.
4736 (die_checksum): Likewise.
4737 (assign_symbol_names): Likewise.
4738 (output_location_lists): Likewise.
4739 (build_abbrev_table): Likewise.
4740 (calc_die_sizes): Likewise.
4741 (mark_dies): Likewise.
4742 (unmark_dies): Likewise.
4743 (unmark_all_dies): Likewise.
4744 (output_die): Likewise.
4745 (prune_unused_types_mark): Likewise.
4746 (prune_unused_types_walk): Likewise.
4747 (same_die_p): Update for change to die_struct.
4748 (break_out_includes): Likewise.
4749 (prune_unused_types_prune): Likewise.
4750 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4751 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4753 (dwarf2out_finish): Don't call reverse_all_dies.
4755 2006-04-21 Eric Christopher <echristo@apple.com>
4757 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4758 in comments and function names.
4760 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4763 * c-typeck.c (digest_init): Robustify.
4765 * c-typeck.c (pop_init_level): Simplify.
4767 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4769 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4771 2006-04-21 Paul Brook <paul@codesourcery.com>
4773 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4774 hardware floating point.
4776 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4778 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4781 2006-04-21 Nick Clifton <nickc@redhat.com>
4783 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4786 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4789 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4790 C++ lang type in traceback table for Objective-C++.
4792 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4794 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4796 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4798 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4801 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4802 were errors. Remove check for erroneous objects.
4804 2006-04-20 Jeff Law <law@redhat.com>
4806 PR tree-optimization/26854
4807 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4808 checking for zero or one use.
4809 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4810 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4811 * tree-ssa-reassoc.c (negate_value): Similarly.
4812 (reassociate_bb): Similarly.
4814 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4816 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4817 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4818 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4820 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4822 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4823 fp regs if the last fp arg doesn't fit in regs.
4825 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4828 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4829 that the last insn has the REG_INC note.
4831 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4832 Nathan Sidwell <nathan@codesourcery.com>
4835 * stor-layout.c (update_alignment_for_field): Do not align
4837 (place_union_field): Place union field at the start of the union.
4838 (place_field): Move ERROR_MARK check later, and use the current
4839 allocation position to maintain monotonicity.
4841 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4843 * dominance.c: Include timevar.h.
4844 (calculate_dominance_info): Use TV_DOMINANCE.
4845 * timevar.def (TV_DOMINANCE): New timevar.
4846 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4848 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4850 PR rtl-optimization/14261
4851 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4852 move would be an INSV insn.
4853 (noce_process_if_block): Don't optimize if the destination is a
4854 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4856 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4858 * config/s390/s390.md: Add comments with the instructions emitted
4859 by an insn pattern if macros are used.
4861 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4863 PR rtl-optimization/26026
4864 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4865 is a known power of two shifted left a variable amount.
4867 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4869 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4870 to hash table twice when the debug_str section has SECTION_MERGE.
4872 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4874 * config/soft-fp: New directory. From glibc.
4875 * config/soft-fp/t-softfp: New.
4876 * config/soft-fp/README: New.
4877 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4878 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4879 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4880 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4881 * config.gcc: Use rs6000/t-fprules-fpbit or
4882 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4884 * config/rs6000/sfp-machine.h: New. Based on glibc.
4885 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4887 * config/rs6000/t-fprules: Remove fp-bit rules.
4888 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4889 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4890 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4891 (softfp_wrap_start, softfp_wrap_end): New.
4893 2006-04-18 DJ Delorie <dj@redhat.com>
4895 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4897 2006-04-18 Devang Patel <dpatel@apple.com>
4899 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4901 2006-04-18 Nick Clifton <nickc@redhat.com>
4903 * config/sh/t-symbian: Add rule to build sh-c.o
4904 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4905 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4906 (sh_symbian_encode_section_info): Likewise.
4908 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4910 * builtins.c (expand_builtin_strcmp): Cover label definition of
4911 do_libcall with HAVE_cmpstrnsi.
4913 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4915 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4917 * function.h (temp_slot_p): New.
4918 (function): Change the type of x_used_temp_slots to
4919 VEC(temp_slot_p,gc) *.
4921 2006-04-18 Nick Clifton <nickc@redhat.com>
4923 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4924 flag_strength_reduce.
4926 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4928 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4932 Partial revert of revision 112637
4933 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4934 Dale Johannesen <dalej@apple.com>
4937 * regclass.c (struct reg_pref): Update documentation.
4938 (regclass): Set prefclass to NO_REGS if memory is the best option.
4939 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4941 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4943 PR tree-optimization/26821
4944 * tree-ssa-math-opts.c (get_constant_one): New.
4945 (insert_reciprocals): Use it.
4947 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4949 * dwarf2out.c (free_AT): Delete.
4950 (remove_AT): Update string ref counts.
4951 (remove_child_TAG): Don't call free_die.
4953 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4954 or DW_TAG_GNU_EINCL.
4955 (prune_unused_types_walk_attribs): Reset string refcounts.
4956 (prune_unused_types_update_strings): New.
4957 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4958 call free_die. Do call prune_unused_types_update_strings.
4959 (prune_unused_types): Empty debug_str_hash.
4961 2006-04-17 Roger Sayle <roger@eyesopen.com>
4963 * expr.c (expand_assignment): Optimize away no-op moves where the
4964 source and destination are equal and have no side-effects.
4966 2006-04-17 Richard Guenther <rguenther@suse.de>
4969 * reload.c (push_reload): Guard calls to get_secondary_mem
4972 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4974 * alias.c (reg_base_value, old_reg_base_value): Change the
4975 type to VEC(rtx,gc) *.
4976 (REG_BASE_VALUE, find_base_value, record_set,
4977 init_alias_analysis): Use VEC instead of VARRAY.
4979 * alias.c (alias_sets): Change the type to
4980 VEC(alias_set_entry,gc) *.
4981 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4982 VEC instead of VARRAY.
4983 (last_alias_set): Remove.
4985 * cgraph.h (cgraph_edge_p): New.
4986 Update the prototype of cgraph_function_versioning.
4987 * cgraphunit.c (cgraph_copy_node_for_versioning,
4988 cgraph_function_versioning): Use VEC instead of VARRAY.
4989 * ipa-cp.c (ipcp_insert_stage): Likewise.
4991 2006-04-16 Roger Sayle <roger@eyesopen.com>
4994 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4995 "A op B" or "A op C", we may need to convert A to the type of B and C.
4997 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4999 * target.h (struct gcc_target): Add mode_rep_extended.
5000 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5001 (init_num_sign_bit_copies_in_rep): Initialize it using
5003 (truncate_to_mode): Use it.
5004 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5005 * targhooks.h (default_mode_rep_extended): Declare it.
5006 * targhooks.c (default_mode_rep_extended): Define it.
5007 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5008 default_mode_rep_extended.
5009 (TARGET_INITIALIZER): Include it.
5010 * doc/tm.texi (Misc): Document it.
5011 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5012 (mips_truncated_to_mode): New function.
5014 2006-04-16 Roger Sayle <roger@eyesopen.com>
5017 * expr.c (compress_float_constant): Copy the narrow constant into
5018 a new pseudo before extending it to its final width.
5020 2006-04-16 Roger Sayle <roger@eyesopen.com>
5021 Andrew Pinski <pinskia@gcc.gnu.org>
5022 Dale Johannesen <dalej@apple.com>
5025 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5026 special case code to implement V8HImode and V16QImode with SSE2.
5028 2006-04-15 Roger Sayle <roger@eyesopen.com>
5030 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5031 trees are constructed with a suitable tree type.
5033 2006-04-15 Roger Sayle <roger@eyesopen.com>
5035 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5036 (integer_onep): Likewise.
5037 (integer_all_onesp): Likewise.
5038 (integer_pow2p): Likewise.
5039 (integer_nonzerop): Likewise.
5040 (real_zerop): Likewise.
5041 (real_onep): Likewise.
5042 (real_twop): Likewise.
5043 (real_minus_onep): Likewise.
5044 (int_size_in_bytes): Likewise.
5045 (host_integerp): Likewise.
5047 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5049 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5050 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5051 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5053 * tree-ssa-structalias.h (alias_info): Remove num_references.
5055 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5057 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5058 (output_bvb patterns): Likewise.
5059 * pa.c (output_bb): Use 'bb' insn for long branch case.
5060 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5061 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5062 1. Correct length operand for alternatives 1 and 2.
5063 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5064 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5066 2006-04-14 Roger Sayle <roger@eyesopen.com>
5068 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5069 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5070 were accidentally reverted by r112959.
5072 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5075 * except.h (eh_region_outermost): New prototype.
5076 * except.c (eh_region_outermost): New function.
5077 * tree-cfg.c (find_outermost_region_in_block): Use it.
5079 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5081 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5083 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5084 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5085 (init_reload, reload): Use VEC instead of VARRAY.
5086 * reload.h: Update the prototype for
5087 reg_equiv_memory_loc_varray.
5089 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5090 Eric Botcazou <ebotcazou@libertysurf.fr>
5092 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5095 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5098 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5099 to expand fallback builtin function call.
5101 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5104 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5105 and emit libcall here in case the builtin fails.
5106 (expand_builtin_strcmp): Always emit the libcall here on failure.
5108 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5110 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5111 * flow.c (reg_n_info): Change the type to
5112 VEC(reg_info_p,heap) *.
5113 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5115 * regs.h (reg_info_p): New.
5116 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5117 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5118 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5121 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5123 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5125 * params.h (MAX_SCHED_READY_INSNS): New macro.
5126 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5127 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5128 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5129 the ready list for 1 cycle during the first scheduling pass.
5130 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5132 2006-04-13 Richard Henderson <rth@redhat.com>
5135 * gimple-low.c (lower_omp_directive): Remove dead code.
5136 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5137 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5138 * omp-low.c (struct omp_region): Move to tree-flow.h.
5139 (root_omp_region): Export.
5140 (omp_regions, lookup_omp_region): Remove.
5141 (determine_parallel_type): Update for struct omp_region changes.
5142 (dump_omp_region): Dump regions with block numbers.
5143 (new_omp_region): Take type and block instead of stmt; malloc
5145 (free_omp_region_1, free_omp_regions): New.
5146 (expand_parallel_call): Take entry_stmt as argument; update for
5147 changes to omp_region.
5148 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5149 (remove_exit_barriers): New.
5150 (expand_omp_parallel): Update for struct omp_region changes.
5151 (expand_omp_synch): Likewise.
5152 (expand_omp): Likewise.
5153 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5154 (expand_omp_for_static_chunk): Likewise.
5155 (expand_omp_for): Likewise.
5156 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5157 (expand_omp_sections): Similarly, with GOMP_sections_end.
5158 (expand_omp_single): New.
5159 (build_omp_regions_1): Update for OMP_CONTINUE.
5160 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5161 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5162 OMP_SECTIONS_SECTIONS.
5163 (lower_omp_single_simple): Don't emit barrier here.
5164 (lower_omp_single_copy): Likewise.
5165 (lower_omp_single): Fix bindings, and lower to straightline now.
5166 (lower_omp_master, lower_omp_ordered): Likewise.
5167 (lower_omp_critical): Likewise.
5168 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5169 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5170 omp edges, free it afterward.
5171 (make_omp_sections_edges): Remove.
5172 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5173 (move_stmt_r): Handle OMP_CONTINUE.
5174 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5175 statement pointers to basic blocks. Add type member.
5176 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5177 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5178 * tree-inline.c (estimate_num_insns_1): Likewise.
5179 * tree-pretty-print.c (dump_generic_node): Likewise.
5180 * tree-ssa-operands.c (get_expr_operands): Likewise.
5181 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5182 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5183 (OMP_CONTINUE): New.
5184 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5185 (OMP_SECTIONS_SECTIONS): Remove.
5186 (OMP_SECTION_LAST): New.
5187 (OMP_RETURN_NOWAIT): New.
5189 2006-04-13 Roger Sayle <roger@eyesopen.com>
5191 * fold-const.c (native_encode_vector, native_interpret_real):
5192 Correct obvious mistakes in the previous check-in.
5194 2006-04-13 Roger Sayle <roger@eyesopen.com>
5196 * fold-const.c (native_encode_expr): New function to encode
5197 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5198 or VECTOR_CST into a specified buffer.
5199 (native_encode_int): New function.
5200 (native_encode_real): New function.
5201 (native_encode_complex): New function.
5202 (native_encode_vector): New function.
5203 (native_interpret_expr): Inverse of native_encode_expr to convert
5204 a target representation into an INTEGER_CST, REAL_CST etc...
5205 (native_interpret_int): New function.
5206 (native_interpret_real): New function.
5207 (native_interpret_complex): New function.
5208 (native_interpret_vector): New function.
5209 (fold_view_convert_expr): New function to constant fold/evaluate
5210 a VIEW_CONVERT_EXPR of a suitable constant expression.
5211 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5212 Change call of build1 to fold_build1 when constructing a
5215 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5216 Ulrich Weigand <uweigand@de.ibm.com>
5219 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5222 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5225 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5226 optimize to lo_sum for DFmode if !TARGET_FPRS.
5228 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5230 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5231 delete_alias_info, compute_flow_sensitive_aliasing,
5232 group_aliases): Use VEC instead of VARRAY.
5233 * tree-ssa-structalias.c (update_alias_info): Likewise.
5234 * tree-ssa-structalias.h (alias_info): Change the type of
5235 processed_ptrs to VEC(tree,heap) *.
5237 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5240 * config/sh/lib1funcs.h: New file, broken out of:
5241 * config/sh/lib1funcs.asm.
5242 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5244 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5245 * config/sh/lib1funcs-Os-4-200.asm: New file.
5246 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5247 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5248 (EXTRA_MULTILIB_PARTS): Include it.
5249 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5250 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5251 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5252 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5255 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5257 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5258 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5259 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5261 * tree-ssa-live.h: Include vecprim.h.
5262 (tree_partition_associator_d): Change the type of
5263 first_partition to VEC(int,heap) *.
5264 (tpa_first_partition): Use VEC instead of VARRAY.
5266 * Makefile.in (GTFILES): Move functions.h after tree.h.
5267 * function.c (reset_block_changes, record_block_change,
5268 check_block_change, free_block_changes): Use VEC instead of
5270 * function.h (function): Change the type of
5271 ib_boundaries_block to VEC(tree,gc) *.
5272 * tree-inline.c (copy_cfg_body): Initialize
5273 ib_boundaries_block to NULL instead of (varray_type) 0.
5275 2006-04-12 Roger Sayle <roger@eyesopen.com>
5277 * expr.c (emit_group_store): Correct operand order in call to
5278 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5279 a SUBREG_BYTE of zero.
5281 2006-04-12 Richard Guenther <rguenther@suse.de>
5283 * profile.c (compute_branch_probabilities): Remove code
5284 encapsulated in !ir_type (), which are remanents of the
5285 removed RTL profiling code.
5286 * rtl-profile.c: Remove.
5288 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5290 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5291 magic NULL_RTX comment.
5292 (function_arg): Store entire fp arg to mem if any part should go
5294 (rs6000_arg_partial_bytes): Adjust for above change.
5296 2006-04-11 Roger Sayle <roger@eyesopen.com>
5298 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5299 if it hasn't been initialized by dwarf2out_init.
5301 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5303 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5304 symbolic constants in branch patterns.
5306 2006-04-11 Roger Sayle <roger@eyesopen.com>
5308 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5310 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5312 PR rtl-optimization/27073
5313 * gcse.c (try_replace_reg): Revert last change. Continue to search
5314 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5317 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5319 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5320 aggregate types other than record and union types.
5321 (function_arg): Likewise.
5322 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5324 (function_value): In 64-bit mode, return objects that require it
5327 2006-04-11 Roger Sayle <roger@eyesopen.com>
5329 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5331 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5333 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5335 2006-04-03 Jeff Law <law@redhat.com>
5338 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5339 alias information too.
5341 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5343 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5345 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5348 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5349 (premark_used_types_helper): New.
5350 (premark_used_types): New.
5351 (gen_subprogram_die): Call premark_used_types.
5352 (prune_unused_types_walk): Do not prune perennial dies.
5353 * function.c (used_types_insert): New.
5354 * function.h (struct function): Add used_types_hash field.
5355 (used_types_insert): Add prototype.
5356 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5357 * c-parser.c (c_parser_cast_expression): Save casted types in used
5360 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5363 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5364 rs6000_explicit_options.float_gprs.
5366 2006-04-10 Roger Sayle <roger@eyesopen.com>
5368 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5369 from ix86_expand_vector_init_low_nonzero. Take an additional
5370 one_var argument indicating which element is non-zero. Support
5371 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5372 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5373 with one_var instead of ix86_expand_vector_init_low_nonzero.
5375 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5377 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5378 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5379 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5380 build/genextract.o): Depend on vecprim.h.
5381 * cfglayout.c, df-problems.c, function.c, genextract.c,
5382 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5383 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5387 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5389 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5390 Declare VECs of this type.
5391 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5392 (remove_children): Delete.
5393 (add_dwarf_attr): Use VEC routines.
5394 (add_AT_flag): Update for changes to add_dwarf_attr.
5395 (add_AT_int): Likewise.
5396 (add_AT_unsigned): Likewise.
5397 (add_AT_long_long): Likewise.
5398 (add_AT_vec): Likewise.
5399 (add_AT_string): Likewise.
5400 (add_AT_die_ref): Likewise.
5401 (add_AT_fde_ref): Likewise.
5402 (add_AT_loc): Likewise.
5403 (add_AT_loc_list): Likewise.
5404 (add_AT_addr): Likewise.
5405 (add_AT_lbl_id): Likewise.
5406 (add_AT_lineptr): Likewise.
5407 (add_AT_macptr): Likewise.
5408 (add_AT_offset): Likewise.
5409 (add_AT_range_list): Likewise.
5410 (get_AT): Use VEC_iterate.
5411 (remove_AT): Use VEC_ordered_remove.
5412 (free_die): Fold remove_children into here; have it use VEC_iterate.
5413 (print_die): Use VEC_iterate on attrs.
5414 (reverse_die_lists): Don't reverse attr lists.
5415 (die_checksum): Use VEC_iterate on attrs.
5416 (same_die_p): Likewise.
5417 (output_location_lists): Likewise.
5418 (build_abbrev_table): Likewise.
5419 (size_of_die): Likewise.
5420 (unmark_all_dies): Likewise.
5421 (output_abbrev_section): Likewise.
5422 (output_die): Likewise.
5423 (prune_unused_types_walk_attribs): Likewise.
5425 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5427 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5429 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5432 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5434 2006-04-09 Roger Sayle <roger@eyesopen.com>
5436 * expr.c (store_constructor): Don't bother clearing target if
5437 we're about to assign a vector to it using vec_init_optab.
5439 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5441 * tree-ssa-alias.c (lhs_may_store_to): New function.
5442 (recalculate_used_alone): Handle LHS of calls.
5444 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5448 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5449 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5450 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5451 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5452 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5453 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5454 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5455 stubs. Add ".align 8" directives before all ".dword" directives.
5456 (GTHREAD_USE_WEAK): Revise comment.
5457 (TARGET_ATTRIBUTE_WEAK): Define.
5458 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5459 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5460 * stublib.c: New file.
5465 * pa.md (cbranch patterns): Revise arguments used in calls to
5466 output_cbranch, output_bb and output_bvd. Add long branch length
5468 (fbranch patterns): Handle long branches.
5469 (jump): Revise length check. Revise arguments for output_lbranch call.
5470 Add long branch length attributes.
5471 (decrement_and_branch_until_zero): Add long branch length attributes.
5472 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5473 Likewise. Revise arguments for output_parallel_addb and
5474 output_parallel_movb calls.
5475 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5476 output_parallel_movb and output_parallel_addb): Update prototypes.
5477 * pa.c (output_cbranch): Revise arguments. Correct handling of
5478 nullification in long branches.
5479 (output_lbranch): Add new argument to control extraction of delay
5481 (output_bb): Handle long branches.
5482 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5483 output_parallel_addb): Likewise.
5485 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5487 PR rtl-optimization/27073
5488 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5491 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5493 * tree.h (tree_memory_tag): Add old_used_alone.
5494 (SMT_OLD_USED_ALONE): New macro.
5495 * tree-ssa-alias.c (recalculate_used_alone): Stop
5496 marking things for renaming unnecessarily.
5498 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5500 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5501 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5502 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5503 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5504 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5505 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5506 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5507 spelling convensions.
5508 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5509 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5510 typos. Follow spelling conventions.
5512 2006-04-07 DJ Delorie <dj@redhat.com>
5514 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5515 passed on the stack.
5516 (m32c_init_cumulative_args): When a function returns a structure,
5517 always pass the pointer to that return area on the stack.
5518 (m32c_function_arg_advance): Don't increment the parameter number
5519 if we're processing the returned structure pointer.
5520 (pushm_info): Reverse order of registers.
5522 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5524 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5525 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5526 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5527 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5529 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5530 chrec_fold_multiply): Same.
5531 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5532 force_expr_to_var_cost): Same.
5533 * tree-mudflap.c (mf_xform_derefs_1): Same.
5534 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5536 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5538 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5539 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5542 2006-04-07 Jan Hubicka <jh@suse.cz>
5544 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5546 2006-04-07 Richard Guenther <rguenther@suse.de>
5548 PR tree-optimization/26135
5549 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5550 loads for store copy-prop.
5551 (copy_prop_visit_stmt): Likewise.
5553 2006-04-05 Robert Millan <robertmh@gnu.org>
5555 * config/i386/linux.h: Add a comment to mark macros that are
5556 being overriden in config/k*bsd-gnu.h.
5557 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5559 * config/knetbsd-gnu.h: Ditto.
5561 2006-04-06 Jan Hubicka <jh@suse.cz>
5565 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5568 2006-04-06 Mike Stump <mrs@apple.com>
5570 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5571 for HAVE_nonlocal_goto to be consistent.
5572 (expand_builtin_nonlocal_goto): Likewise.
5573 (expand_builtin_strcmp): Use #ifdef instead of #if
5574 for HAVE_cmpstrnsi to be consistent.
5576 2006-04-05 DJ Delorie <dj@redhat.com>
5578 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5581 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5583 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5584 got-relative addressing for anything but SImode.
5586 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5587 even if the calling function doesn't modify them.
5589 2006-04-05 Richard Guenther <rguenther@suse.de>
5591 PR tree-optimization/26919
5592 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5593 to cgraph_estimate_size_after_inlining.
5595 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5597 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5599 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5601 PR tree-optimization/26996
5602 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5603 VECTOR_TYPE variables.
5605 2006-04-05 Richard Guenther <rguenther@suse.de>
5607 PR tree-optimization/26763
5608 * fold-const.c (fold_comparison): Move folding of
5609 PTR + CST CMP PTR + CST ...
5610 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5612 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5614 * doc/install.texi (Prerequisites): Refine some wording on
5615 bootstrapping and ksh.
5616 Move the version numbers of DejaGnu here from the testing section
5617 and fix casing of names.
5618 Fix markup and clarify wording for autogen requirements.
5619 Refer to GCJ instead of just java.
5620 Refer to SVN instead of CVS.
5621 Describe diffutils as useful instead of necessary.
5622 (Downloading the source): Refer to SVN instead of CVS.
5623 Adjust a link to our web site accordingly.
5624 (Configuration): Fix casing of Bison.
5625 (Building): Refer to SVN instead of CVS.
5626 Fix a sentence on the use of Bison and remove duplicate (and
5627 incorrect) version number of Bison requirement.
5628 Remove one redundant list of packages needed for building.
5629 (Specific): Avoid reference to CVS.
5631 2006-04-04 Eric Christopher <echristo@apple.com>
5633 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5634 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5635 (rs6000_handle_struct_attribute): New.
5636 (rs6000_ms_bitfield_layout_p): Ditto.
5638 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5640 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5641 NULL for dso parameter to atexit_common.
5643 2006-04-04 Eric Christopher <echristo@apple.com>
5645 * config/i386/i386.c (machopic_output_stub): Output \t
5646 between instructions and operands.
5648 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5650 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5651 satisfies_constraint_[IL] to explicit tests on value.
5653 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5655 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5656 set_nb_iterations_in_loop): Use build_int_cst instead of
5658 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5659 build_int_cst instead of convert.
5661 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5663 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5664 new value 2 for incoming.
5665 * function.c (expand_function_start): Call struct_value_rtx
5667 * config/sparc/sparc.md: Comment updated_return.
5668 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5669 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5670 struct return if sparc_std_struct_return and incoming is 2.
5671 (print_operand): Do not adjust return if
5672 sparc_std_struct_return.
5674 2006-04-04 Roger Sayle <roger@eyesopen.com>
5676 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5677 convert in the middle-end.
5678 * expr.c (store_expr, store_constructor, get_inner_reference,
5679 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5681 * tree.c (build_range_type): Likewise.
5683 2006-04-04 Tom Tromey <tromey@redhat.com>
5685 * doc/install.texi (Prerequisites): Mention jar.
5687 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5689 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5692 2006-04-04 Matthias Klose <doko@debian.org>
5694 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5695 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5698 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5700 * doc/extend.texi (Function Attributes): Rewrite visibility
5701 attribute documentation.
5702 * doc/invoke.texi (C++ Dialect Options): Rewrite
5703 -fvisibility-inlines-hidden documentation to describe something
5704 entirely different, although in practise compatible.
5705 (Code Gen Options): Warn about system headers in -fvisibility=
5708 * doc/extend.texi (Other Builtins): Document that
5709 __builtin_nan is a compile-time constant only when its argument
5712 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5714 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5715 trying to remove TRUNCATE check if all bits outside the new mode
5716 are identical to the sign bit.
5718 2006-04-03 Jeff Law <law@redhat.com>
5720 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5721 and operand scanning in some common cases.
5723 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5724 Dale Johannesen <dalej@apple.com>
5727 * regclass.c (struct reg_pref): Update documentation.
5728 (regclass): Set prefclass to NO_REGS if memory is the best option.
5729 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5730 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5731 into account. For non-registers, equate an empty preferred
5732 reload class to a `!' in the constraint; move the if clause to
5733 do so after those that reject the insn.
5734 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5736 (find_dummy_reload): Likewise.
5737 * doc/tm.texi (Register Classes): Document what it means
5738 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5739 * config/i386/i386.c (ix86_preferred_reload_class): Force
5740 using SSE registers (and return NO_REGS for floating-point
5741 constants) if math is done with SSE.
5742 (ix86_preferred_output_reload_class): New.
5743 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5744 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5745 * config/i386/i386.md: Remove # register preferences.
5747 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5750 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5751 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5752 the type of nb_iter.
5753 (instantiate_parameters_1): Convert the operands before calling
5754 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5755 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5757 2006-04-02 Roger Sayle <roger@eyesopen.com>
5759 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5760 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5762 * dojump.c (do_jump): Likewise.
5763 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5764 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5765 gimplify_boolean_expr): Likewise.
5766 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5767 * varasm.c (array_size_for_constructor): Likewise.
5768 * tree-object-size.c (compute_object_offset): Likewise.
5770 2006-04-02 Roger Sayle <roger@eyesopen.com>
5773 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5774 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5776 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5778 PR tree-optimization/26939
5779 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5781 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5783 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5784 at_stmt. Convert the type of operands before calling
5785 build_polynomial_chrec.
5786 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5788 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5789 (instantiate_parameters_1): Convert the type of operands before calling
5790 build_polynomial_chrec.
5791 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5792 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5793 reset_evolution_in_loop): Insert asserts to check the types of the
5795 (chrec_type): Moved...
5796 (eq_evolutions_p): Use operand_equal_p.
5797 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5798 the types of the operands.
5799 (chrec_type): ...here.
5800 * tree-data-ref.c (create_data_ref): Convert the operands before
5801 calling chrec_replace_initial_condition.
5802 (same_access_functions, analyze_subscript_affine_affine,
5803 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5804 (compute_subscript_distance, analyze_ziv_subscript,
5805 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5806 analyze_miv_subscript): Convert the operands before calling
5807 chrec_fold_minus or chrec_fold_plus.
5809 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5811 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5812 the dependence_relations vector.
5813 (compute_data_dependences_for_loop): Adjust call to
5814 compute_all_dependences.
5816 2006-04-01 Roger Sayle <roger@eyesopen.com>
5817 Richard Henderson <rth@redhat.com>
5819 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5820 gimple_boolify on the condition before calling gimplify_expr.
5822 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5824 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5825 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5826 the frame size. Update to use the new macros.
5827 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5828 * config/xtensa/ieee754-df.S: Likewise.
5830 2006-03-31 Richard Henderson <rth@redhat.com>
5832 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5833 (make_edges): ... here. Control fallthru creation with a local
5834 variable. Do not play with fake edges.
5835 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5836 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5839 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5841 * dwarf2.h (DW64_CIE_ID): Define.
5842 * dwarf2out.c (DWARF_CIE_ID): Define.
5843 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5844 length header. Use DWARF_CIE_ID.
5845 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5846 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5848 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5850 * config/sh/linux-atomic.asm: New file.
5851 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5853 2006-03-31 DJ Delorie <dj@redhat.com>
5855 * config/m32c/cond.md: Set condition flags properly throughout.
5856 * config/m32c/minmax.md: Likewise.
5857 * config/m32c/prologue.md: Likewise.
5858 * config/m32c/bitops.md: Likewise.
5859 * config/m32c/muldiv.md: Likewise.
5860 * config/m32c/mov.md: Likewise.
5861 * config/m32c/addsub.md: Likewise.
5862 * config/m32c/m32c.md: Likewise.
5863 * config/m32c/jump.md: Likewise.
5864 * config/m32c/shift.md: Likewise.
5866 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5867 conditionally output the pattern for this.
5868 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5869 (m32c_compare_redundant): New.
5870 (m32c_output_compare): New.
5871 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5873 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5874 dest, not src. Allow other 4-byte modes.
5876 2006-03-30 Denis Chertykov <denisc@overta.ru>
5878 * doc/md.texi: Refer to avr/constraints.md instead of
5881 2006-03-30 Roger Sayle <roger@eyesopen.com>
5883 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5884 signed vs. unsigned comparison failures on some hosts.
5886 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5889 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5890 change to FLOAT_REGS.
5892 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5893 (rs6000_override_options): Use it.
5894 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5895 only for -mabi=spe/no-spe and -mabi=altivec.
5897 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5899 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5902 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5904 * Makefile.in: Rename docdir to gcc_docdir.
5906 2006-03-30 Roger Sayle <roger@eyesopen.com>
5909 * expr.c (emit_group_store): Optimize group stores into a pseudo
5910 register by using a paradoxical subreg to initialize the destination
5911 if the first or last member of the group specifies a "low part".
5913 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5916 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5917 * target.h (struct gcc_target.speculate_insn): Change type of the
5918 second parameter to 'int'.
5919 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5920 the second operand of the DEPS_LIST.
5921 (copy_DEPS_LIST_list): Update reference to the second operand of the
5923 * rtl.h (alloc_DEPS_LIST): Update signature.
5924 * sched-int.h (ds_t): Change typedef to 'int'.
5925 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5927 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5929 * haifa-sched.c (try_ready): Change condition to restore
5930 non-speculative pattern of the instruction.
5931 (process_insn_depend_be_in_spec): Code to keep probability of the
5932 speculative dependence non-decreasing.
5934 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5936 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5937 (single_move_for_movmem): ... this. Also change all uses.
5938 (bfin_expand_strmov): Renamed to...
5939 (bfin_expand_movmem): ... this. Also change all uses.
5940 * config/bfin/bfin.md (movstrsi): Renamed to...
5941 (movstrsi): ...this.
5943 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5945 PR tree-optimization/26830
5947 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5948 (copy_prop_visit_stmt): Remove write-only variable ann.
5949 (init_copy_prop): Check variable loop depth here. Do not simulate
5950 memory-tag and virtual operand PHIs except for store copy prop.
5952 2006-03-30 Richard Guenther <rguenther@suse.de>
5954 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5955 variants with double arguments.
5957 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5959 * genpreds.c (write_tm_constrs_h): Delete variable p.
5960 * genconditions.c (write_header): Add tm-constrs.h to included
5962 * genpeep.c (main): Add toplev.h to included headers.
5963 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5964 (build/genpeep.o): Add toplev.h dependency.
5965 * config/rs6000/constraints.md: Add "W" constraint.
5967 2006-03-29 Roger Sayle <roger@eyesopen.com>
5969 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5970 sizes by correctly testing whether the size fits a host integer.
5971 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5972 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5973 SImode range for the default sizetype and bitsizetype.
5975 2006-03-29 Roger Sayle <roger@eyesopen.com>
5977 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5978 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5979 quickly if the argument is already of the correct type.
5980 Call fold_build1 instead of build1. Tidy up blank lines.
5982 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5984 * genemit.c (main): Add tm-constrs.h to included headers.
5985 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5986 * genpeep.c (main): Add tm-constrs.h to included headers.
5987 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5988 (write_tm_constrs_h): this and write complete file.
5989 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5990 (write_insn_preds_c): Add tm-constrs.h to included headers.
5991 (gen_constrs): New variable.
5992 (parse_option): Parse "-c".
5993 (main): Invoke write_tm_constrs_h.
5994 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5995 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5996 (object_out_file): Add tm-constrs.h dependency.
5997 (insn-emit.o): Same.
5998 (insn-output.o): Same.
5999 (insn-peep.o): Same.
6000 (insn-preds.o): Same.
6001 (insn-recog.o): Same.
6002 (tm-constsr.h): New target.
6003 (s-constrs-h): New target.
6005 * config/rs6000/constraints.md: New file.
6006 * config/rs6000/rs6000.c: Include tm-constrs.h.
6007 (num_insn_constant_wide): Convert to satisfies_constraint.
6008 (rs6000_rtx_costs): Convert to satisfies_constraint.
6009 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6010 (CONST_OK_FOR_LETTER_P): Delete.
6011 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6012 (EXTRA_CONSTRAINT): Delete.
6013 (EXTRA_MEMORY_CONSTRAINT): Delete.
6014 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6015 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6016 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6017 satisfies_constraint.
6019 * config/i386/i386.c: Include tm-constrs.h.
6021 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6023 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6024 * tree-data-ref.c (find_data_references_in_loop,
6025 compute_data_dependences_for_loop): Use pointers to VEC.
6026 (analyze_all_data_dependences): Adjust calls.
6027 * tree-data-ref.h (find_data_references_in_loop,
6028 compute_data_dependences_for_loop): Adjust declarations.
6029 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6030 compute_data_dependences_for_loop.
6032 2006-03-29 Paul Brook <paul@codesourcery.com>
6034 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6037 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6039 PR tree-optimization/26859
6040 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6042 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6043 for the step after fold_convert.
6045 2006-03-29 Paul Brook <paul@codesourcery.com>
6047 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6048 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6050 2006-03-29 Paul Brook <paul@codesourcery.com>
6053 * targhooks.c (default_narrow_bitfield): New fuction.
6054 * targhooks.h (default_narrow_bitfield): add prototype.
6055 * target.h (gcc_target): Add narrow_volatile_bitfield.
6056 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6057 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6058 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6059 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6061 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6063 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6065 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6066 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6067 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6068 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6069 (s390_function_arg_float): Allow SDmode and DDmode values to be
6070 passed in floating point registers.
6071 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6072 check with SCALAR_FLOAT_MODE_P.
6073 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6075 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6077 PR tree-optimization/25985
6078 * tree-ssa-loop-niter.c (number_of_iterations_le,
6079 number_of_iterations_ne): Make comments more precise.
6080 (number_of_iterations_cond): Add only_exit argument. Use the
6081 fact that signed variables do not overflow only when only_exit
6083 (loop_only_exit_p): New.
6084 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6085 number_of_iterations_cond.
6087 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6089 PR tree-optimization/26643
6090 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6093 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6095 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6096 (divsi3_i4_int): Likewise.
6098 2006-03-28 Roger Sayle <roger@eyesopen.com>
6100 * expr.c (emit_group_store): Only create a new pseudo reg if the
6101 quantity it needs to hold isn't already a suitable pseudo.
6103 2006-03-28 Jeff Law <law@redhat.com>
6105 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6106 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6108 2006-03-28 Roger Sayle <roger@eyesopen.com>
6110 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6111 the equivalent ~X & Y, and the symmetry related transformations.
6112 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6113 ~X & Y, and symmetry related transforms.
6115 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6117 Revert my 2006-03-27 patches.
6119 2006-03-28 Roger Sayle <roger@eyesopen.com>
6121 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6122 ~(T1)X, when T1 and T2 are integer types of the same precision
6123 and (T2)X isn't an extension.
6125 2006-03-28 Jeff Law <law@redhat.com>
6127 PR tree-optimization/26796
6128 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6129 need EH edge cleanups rather than purging them immediately.
6130 (eliminate_degenerate_phis): Handle queued EH cleanups.
6132 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6134 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6137 2006-03-27 Roger Sayle <roger@eyesopen.com>
6140 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6141 cast BIT_NOT_EXPR operand to the correct type.
6143 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6145 * tree-loop-linear.c: Don't include varray.h.
6146 (gather_interchange_stats, try_interchange_loops,
6147 linear_transform_loops): Use VEC instead of VARRAY.
6148 * lambda-mat.c: Don't include varray.h.
6149 * tree-chrec.c: Same.
6150 * lambda-trans.c: Same.
6151 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6152 VEC instead of VARRAY.
6153 * tree-vectorizer.h: Idem.
6154 * tree-data-ref.c (dump_data_references,
6155 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6156 initialize_data_dependence_relation, finalize_ddr_dependent,
6157 compute_all_dependences, find_data_references_in_loop,
6158 compute_data_dependences_for_loop, analyze_all_data_dependences,
6159 free_dependence_relation, free_dependence_relations,
6160 free_data_refs): Idem.
6161 * tree-data-ref.h (data_reference_p, subscript_p): New.
6162 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6163 VEC instead of VARRAY.
6164 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6165 (find_data_references_in_loop, compute_data_dependences_for_loop,
6166 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6167 dump_data_dependence_relations, free_dependence_relations,
6168 free_data_refs): Adjust declaration.
6169 (lambda_transform_legal_p): Move declaration here...
6170 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6171 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6172 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6173 vect_analyze_data_refs): Use VEC instead of VARRAY.
6174 * lambda.h (lambda_transform_legal_p): ...from here.
6175 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6176 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6177 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6178 tree-chrec.o): Don't depend on VARRAY_H.
6180 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6182 * rtl.def (Copyright): Update date.
6183 (DEPS_LIST): Change type of the second operand to 'int'.
6184 * target.h (Copyright): Update date.
6185 (struct gcc_target.speculate_insn): Change type of the second parameter
6187 * lists.c (Copyright): Update date.
6188 (alloc_DEPS_LIST): Change signature. Update reference to the second
6189 operand of the DEPS_LIST.
6190 (copy_DEPS_LIST_list): Update reference to the second operand of the
6192 * rtl.h (Copyright): Update date.
6193 (alloc_DEPS_LIST): Update signature.
6194 * sched-int.h (Copyright): Update date.
6195 (ds_t): Change typedef to 'int'.
6196 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6198 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6200 * haifa-sched.c (Copyright): Update date.
6201 (try_ready): Change condition to restore non-speculative pattern
6203 (process_insn_depend_be_in_spec): Code to keep probability of the
6204 speculative dependence non-decreasing.
6206 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6208 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6209 shut up the compiler.
6211 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6213 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6214 to use lib prefix for target.
6215 ($(T)libic_invalidate_array_4-200.a): Likewise.
6216 ($(T)libic_invalidate_array_4a.a): Likewise.
6218 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6219 J"orn Rennecke <joern.rennecke@st.com>
6221 * superh.opt: New file.
6222 * sh.c (boardtype, osruntime): Remove.
6223 * superh.h (SUBTARGET_OPTIONS): Remove.
6224 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6226 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6227 arguments with ^ and/or [].
6229 * config.gcc (sh-*-*): Add quoting to account for quirk of
6231 Replace == with = in enable_incomplete_targets test.
6233 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6234 with MASK_LITTLE_ENDIAN.
6236 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6237 * config/sh/sh.opt: Added to some comments.
6238 * config/sh/superh.h: Removed some chaff.
6240 * config/sh/sh.opt: Add m4-[1234]00* options.
6241 * config/sh/sh.c (sh_handle_option): Likewise.
6242 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6243 (ic_invalidate_array_4-100.o): New rule.
6244 ($(T)libic_invalidate_array_4-100.a): Likewise.
6245 (ic_invalidate_array_4-200.o): Likewise.
6246 ($(T)libic_invalidate_array_4-200.a): Likewise.
6247 (ic_invalidate_array_4a.o): Likewise.
6248 ($(T)libic_invalidate_array_4a.a): Likewise.
6249 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6250 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6252 * config/sh/crt1.asm: Merged in profiling code.
6253 * config/sh/superh.h (STARTFILE_SPEC): Override.
6254 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6255 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6256 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6258 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6259 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6260 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6262 * sh.opt (mpretend-cmove): New option.
6263 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6264 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6265 (movsicc): Add TARGET_PRETEND_CMOVE code.
6267 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6269 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6270 s390_class_max_nregs): New function prototypes.
6271 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6272 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6273 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6274 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6276 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6278 * dwarf2out.c (add_location_or_const_value_attribute): Call
6279 tree_add_const_value_attribute if nothing else works.
6280 (reference_to_unused): New.
6281 (rtl_for_decl_init): Use reference_to_unused to decide whether
6282 to output an initializer.
6284 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6287 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6288 peephole removing spe frob_di_df_2.
6290 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6292 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6293 (subscript_dependence_tester_1): Declared.
6294 (print_dir_vectors, print_dist_vectors): New.
6295 (debug_data_dependence_relation): New.
6296 (dump_data_dependence_relation): Print more details.
6297 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6298 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6299 (save_dist_v, save_dir_v, add_outer_distances,
6300 build_classic_dist_vector_1): New.
6301 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6302 Don't test for lambda_vector_lexico_pos.
6303 (same_access_functions, add_multivariate_self_dist,
6304 add_other_self_distances, dir_from_dist): New.
6305 (build_classic_dir_vector): Replace implementation almost identical to
6306 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6308 (subscript_dependence_tester_1): New.
6309 (subscript_dependence_tester): Handle the lexicographically negative
6310 distance vectors by recomputing the dependence relation.
6311 (compute_affine_dependence): Remove parameter loop_nest_depth.
6312 (compute_self_dependence): Don't call compute_subscript_distance.
6313 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6314 Add a parameter for the loop_nest.
6315 (find_loop_nest_1, find_loop_nest): New.
6316 (compute_data_dependences_for_loop): Compute the loop nest, and give
6317 up if the nest is not well formed.
6318 * tree-data-ref.h (loop_p): New.
6319 (struct data_dependence_relation): Replace size_vect field with
6320 loop_nest, a vec of loops.
6321 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6322 (DDR_LOOP_NEST): New.
6323 (print_dir_vectors, print_dist_vectors,
6324 debug_data_dependence_relation): Declared.
6325 (index_in_loop_nest): New.
6326 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6327 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6330 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6332 * simplify-rtx.c (simplify_relational_operation): Call
6333 simplify_relational_operation_1 even if mode is VOIDmode.
6335 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6337 PR tree-optimization/26804
6338 * tree.h (DECL_CALL_CLOBBERED): New macro.
6339 (tree_decl_common): Add call_clobbered_flag.
6340 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6341 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6342 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6343 (mark_non_addressable): Ditto.
6344 * tree-ssa.c (verify_call_clobbered): New function.
6345 (verify_alias_info): Use it.
6346 * tree-pass.h (pass_reset_cc_flags): New prototype.
6347 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6348 (reset_cc_flags): New function.
6349 * passes.c (init_optimization_passes): Call reset_cc_flags after
6350 initializing referenced_vars.
6352 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6353 Roger Sayle <roger@eyesopen.com>
6356 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6357 to 1.0 for non-real operands. Implement A / A optimization for
6360 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6362 * config/i386/i386.c (size_cost): Correct the comment for
6363 cost of storing fp registers.
6364 (i386_cost): Likewise.
6365 (i486_cost): Likewise.
6366 (pentium_cost): Likewise.
6367 (pentiumpro_cost): Likewise.
6368 (k6_cost): Likewise.
6369 (athlon_cost): Likewise.
6370 (k8_cost): Likewise.
6371 (pentium4_cost): Likewise.
6372 (nocona_cost): Likewise.
6373 (generic64_cost): Likewise.
6374 (generic32_cost): Likewise.
6376 2006-03-24 Denis Chertykov <denisc@overta.ru>
6378 * config/avr/avr-protos.h (extra_constraint): Delete.
6379 (extra_constraint_Q): New declaration.
6380 * config/avr/constraints.md: New file.
6381 * config/avr/avr.md: Include it.
6382 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6383 (TMP_REGNO, ZERO_REGNO): Likewise.
6384 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6385 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6386 (extra_constraint): Delete.
6387 (extra_constraint_Q): Test for memory constraint 'Q'.
6388 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6389 (REG_CLASS_FROM_LETTER): Delete.
6390 (CONST_OK_FOR_LETTER_P): Delete.
6391 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6392 (EXTRA_CONSTRAINT): Delete.
6393 (TMP_REGNO): Delete.
6394 (ZERO_REGNO): Delete.
6396 2006-03-24 Jeff Law <law@redhat.com>
6398 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6399 directly. Call mark_new_vars_to_rename slightly earlier.
6401 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6403 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6405 (gen_compile_unit_die): Use new language types for Objective-C and
6407 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6408 DW_LANG_C_plus_plus.
6411 * config/t-darwin (crt3.o): Work around bug 26840.
6412 * config/darwin-crt3.c: Rewrite.
6413 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6415 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6417 * doc/invoke.texi: Document -femit-class-debug-always
6418 * common.opt: Add -femit-class-debug-always.
6420 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6422 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6423 index and base register.
6424 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6425 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6426 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6427 REGNO_OK_FOR_INDEX_P.
6428 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6430 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6431 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6432 REG_OK_FOR_BASE_P): Definitions removed.
6434 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6437 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6438 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6439 set yet or weren't marked as local yet.
6441 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6443 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6446 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6448 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6449 (rs6000_legitimate_small_data_p): Delete.
6450 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6451 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6452 and make static. Add forward declaration. Update uses.
6453 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6454 of offsettable_memref_p.
6455 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6456 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6458 2006-03-24 Jeff Law <law@redhat.com>
6460 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6461 around bug in immediate-use iterator.
6463 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6466 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6467 or __LITTLE_ENDIAN__.
6469 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6471 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6472 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6473 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6474 * config/sh/sh.opt (mdiv=): Amend description.
6475 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6476 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6477 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6478 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6479 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6480 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6481 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6482 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6483 TARGET_DIVIDE_CALL_FP.
6485 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6487 * haifa-sched.c (choose_ready): Fix type of the local variable.
6488 Move local variables. Add comment.
6489 (check_reg_live): Change signature. Make callable from debugger.
6490 * sched-int.h (check_reg_live): Update signature.
6491 * sched-ebb.c (check_reg_live): Update parameters.
6492 * sched-rgn.c (check_reg_live): Ditto.
6493 (region_head_or_leaf_p): Check pointer before dereferencing.
6494 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6495 before reload on optimization levels below 1.
6497 2006-03-23 Richard Henderson <rth@redhat.com>
6499 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6503 * config/alpha/predicates.md (local_symbolic_operand): Reject
6506 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6509 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6510 expressions which have overflowed constants.
6512 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6514 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6516 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6518 * cfgloopmanip.c (create_loop_notes): Removed.
6519 * final.c (final_scan_insn): Do not handle loop notes.
6520 * jump.c (squeeze_notes): Ditto.
6521 * cfglayout.c (skip_insns_after_block,
6522 duplicate_insn_chain): Ditto.
6523 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6525 * cfgloop.h (create_loop_notes): Declaration removed.
6527 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6529 * varasm.c (output_constant_pool): Restore fnname and fndecl
6531 (assemble_start_function): Adjust call accordingly.
6532 (assemble_end_function): Likewise.
6534 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6537 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6540 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6542 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6545 * system.h (ICE_EXIT_CODE): New macro.
6546 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6547 (diagnostic_action_after_output): Likewise.
6548 * gcc.c (fatal_ice): New function.
6549 (execute): Use it instead of fatal.
6550 (fancy_abort): Likewise.
6551 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6553 2006-03-22 Jeff Law <law@redhat.com>
6555 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6556 iv_analyze_result returning false.
6558 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6560 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6562 2006-03-22 Richard Henderson <rth@redhat.com>
6565 * except.c (duplicate_eh_regions_0): New.
6566 (duplicate_eh_region_1): Duplicate the children of the node as
6567 well as the node itself. Link them up properly.
6568 (duplicate_eh_region_2): Merge into ...
6569 (duplicate_eh_regions): ... here. Take copy_region argument, and
6570 copy only a sub-tree if asked. Simplify copying and fixup.
6571 (eh_region_outer_p): New.
6572 * except.h (duplicate_eh_regions): Update decl.
6573 (eh_region_outer_p): Declare.
6574 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6575 (lower_omp_master): Likewise.
6576 (lower_omp_ordered): Likewise.
6577 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6578 (move_stmt_r): Use it to remap labels. Handle recursion vs
6579 remap_decls_p properly.
6580 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6581 (find_outermost_region_in_block): New.
6582 (new_label_mapper): New.
6583 (move_sese_region_to_fn): Copy eh information to the new function
6585 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6587 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6590 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6592 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6593 into shared libraries.
6595 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6597 * doc/md.texi: Refer to i386/constraints.md instead of
6599 * config/i386/constraints.md: New file, extracted from...
6600 * config/i386/predicates.md: ...here.
6601 * config/i386/i386.md: Include constraints.md.
6603 2006-03-21 Jason Merrill <jason@redhat.com>
6605 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6608 * expr.c (init_block_move_fn): Force default visibility.
6609 (init_block_clear_fn): Likewise.
6610 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6611 * targhooks.c (default_external_stack_protect_fail): Likewise.
6613 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6615 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6616 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6617 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6618 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6619 (loadgp): Use mips_current_loadgp_style.
6620 (loadgp_noshared): New pattern.
6621 (sibcall_internal): Use MIPS_CALL.
6622 (sibcall_value_internal): Likewise.
6623 (sibcall_value_multiple_internal): Likewise.
6624 (call_internal): Likewise.
6625 (call_value_internal): Likewise.
6626 (call_value_multiple_internal): Likewise.
6627 (call_split): Use MIPS_CALL and add an 'S' constraint.
6628 (call_value_split): Likewise.
6629 (call_value_multiple_split): Likewise.
6630 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6631 (-mshared): New option.
6632 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6633 (mips_current_loadgp_style): Declare.
6634 * config/mips/mips.c (mips_classify_symbol): Avoid using
6635 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6636 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6637 TARGET_ABSOLUTE_ABICALLS.
6638 (override_options): Adjust comments. Improve the warning that is
6639 issued when -mabicalls and -G are used together.
6640 (mips_file_start): Remove comment.
6641 (mips_current_loadgp_style): New function.
6642 (mips_gnu_local_gp): New variable.
6643 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6645 (mips_output_function_prologue): Use mips_current_laodgp_style.
6646 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6647 the cprestore instruction.
6648 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6649 live for TARGET_ABSOLUTE_ABICALLS.
6650 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6651 (ASM_SPEC): Pass down -mshared and -mno-shared.
6652 (MIPS_CALL): New macro.
6653 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6655 * doc/invoke.texi (-mabicalls): Update documentation.
6656 (-mshared): Document.
6658 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6660 * config/ia64/unwind-hpux.c: New file.
6661 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6663 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6666 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6668 2006-03-21 Jeff Law <law@redhat.com>
6670 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6671 type conversions of a VR_VARYING source to a wider type.
6673 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6675 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6676 tm_file on Solaris 10 and later.
6677 (sparc64-*-solaris2*): Likewise.
6678 (sparc-*-solaris2*): Likewise.
6679 * config/sol26.h: Rename to config/sol2-6.h.
6680 * config/sol2-10.h: New file.
6682 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6685 * tree-ssa-pre.c (create_component_ref_by_pieces):
6688 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6691 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6692 return it immediately.
6694 2006-03-21 Michael Matz <matz@suse.de>
6696 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6698 (remove_arc, add_arc): Update num_out_arcs member.
6699 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6701 (cache_presence): New function.
6702 (compare_states_for_equiv): New function.
6703 (state_is_differed): Don't take number of outargs, adjust callers.
6704 Use new invariant for speeding up.
6705 (init_equiv_class): Create initial classes based on sorted
6707 (partition_equiv_class): Don't track out_arcs_num.
6708 (evaluate_equiv_classes): Call cache_presence on all states and
6711 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6713 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6714 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6715 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6716 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6718 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6719 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6720 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6721 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6722 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6724 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6725 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6726 (REGNO_REG_CLASS): ARGP is in PREGS.
6727 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6729 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6730 to deal with those addresses.
6731 * addresses.h: New file.
6732 * caller-save.c: Include "addresses.h".
6733 (init_caller_save): Use new base_reg_class function.
6734 * rtl-factoring.c: Include "addresses.h".
6735 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6736 * recog.c: Include "addresses.h".
6737 (preprocess_constraints): Use new base_reg_class function.
6738 * regrename.c: Include "addresses.h".
6739 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6740 functions. Keep track of a new var INDEX_CODE to compute valid
6742 (replace_oldest_value_addr): Likewise.
6743 (replace_oldest_value_mem): Use base_reg_class.
6744 * reload.c: Include "addresses.h".
6745 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6746 (find_reloads): Use new base_reg_class function.
6747 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6748 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6749 all callers and prototype changed.
6750 * reload1.c: Include "addresses.h".
6751 (maybe_fix_stack_asms): Use base_reg_class.
6752 * regclass.c: Include "addresses.h".
6753 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6754 (init_reg_autoinc): Use new base_reg_class function.
6755 (record_reg_classes): Likewise.
6756 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6757 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6758 Use new args to compute necessary class.
6760 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6761 regrename.o, rtl-factoring.o): Update dependencies.
6762 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6763 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6764 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6765 REG_OK_FOR_INDEX_P): Delete documentation.
6767 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6769 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6770 from V7 to V9 for Solaris 7 and above.
6772 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6774 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6775 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6776 argument pointers may not alias any other storage.
6777 * common.opt: Define option -fargument-noalias-anything.
6778 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6779 alias semantics is specified by flag_argument_noalias > 2.
6781 2006-03-20 Jeff Law <law@redhat.com>
6783 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6784 (pass_phi_only_cprop): Declare.
6785 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6787 * tree-ssa-dom.c (degenerate_phi_result): New function.
6788 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6789 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6790 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6791 (eliminate_degenerate_phis): Likewise.
6792 (pass_phi_only_cprop): New pass descriptor.
6793 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6794 support code. Callers updated.
6795 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6796 (store_copy_prop): Likewise.
6797 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6799 2006-03-20 Jason Merrill <jason@redhat.com>
6802 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6803 (push_visibility, pop_visibility): Likewise.
6804 * c-pragma.h: Declare them.
6806 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6808 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6810 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6811 parameter and use get_ebb_head_tail.
6812 (sh_md_init_global): Adjust uses of find_regmode_weight.
6814 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6816 * function.h (struct function) <x_tail_recursion_reentry>:
6817 Rename to x_stack_check_probe_note.
6818 (tail_recursion_reentry): Rename to stack_check_probe_note.
6819 * function.c: Replace tail_recursion_reentry with
6820 stack_check_probe_note everywhere.
6821 (expand_function_start): Only emit a note for
6822 stack_check_probe_note with -fstack-protect.
6823 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6825 * emit-rtl.c (remove_unnecessary_notes): Remove.
6826 (pass_remove_unnecessary_notes): Remove.
6827 * rtl.h (remove_unnecessary_notes): Remove prototype.
6828 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6829 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6830 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6832 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6835 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6836 (valid_in_set): Handle ARRAY_REF.
6837 Change "if min_variant or VH" to asserts.
6838 (create_component_ref_by_pieces): Handle ARRAY_REF.
6839 (create_expression_by_pieces): Likewise.
6840 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6842 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6844 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6845 is operand of switch, not str[0].
6847 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6849 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6850 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6852 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6854 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6855 end of insn_extra_address_constraint declaration.
6857 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6859 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6860 (no-sum-in-toc): Same.
6861 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6863 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6864 NO_FP_IN_TOC for -fPIC instead of mask.
6866 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6867 (BOOT_LDFLAGS): Delete.
6869 * config/rs6000/t-aix52: Same.
6871 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6872 (stmsi[345678]_power): New.
6874 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6876 * config/ia64/ia64.opt: Add empty line to end of file.
6878 2006-03-17 Richard Guenther <rguenther@suse.de>
6881 * builtins.c (get_pointer_alignment): For component style references
6882 adjust alignment to the component type alignment. Make sure
6883 to adjust alignment for component access of constants.
6885 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6887 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6890 2006-03-17 Paul Brook <paul@codesourcery.com>
6892 * doc/install.texi: Docuemnt --with-mode.
6893 * config.gcc: Add --with-mode for arm*-*-*.
6894 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6896 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6898 * sh.c (max_labelno_before_reorg): New variable.
6899 (sh_reorg): Initialize it.
6900 (find_barrier): Check max_labelno_before_reorg before using
6901 label_to_alignment. Take length of explicit alignment insns
6902 into account. When seeing a UNSPECV_CONST_END, return it.
6904 * sh.c (fixup_mova): Set mode of affected label to QImode.
6905 (untangle_mova): New function.
6906 (find_barrier): Use it. Check mode of label before decrementing
6908 (sh_reorg): Likewise.
6909 Set mode of all insns back to VOIDmode.
6911 * sh.c (MOVA_LABELREF): New macro.
6912 (mova_p, fixup_mova, sh_reorg): Use it.
6913 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6914 ADDR_DIFF_VEC matches mova.
6916 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6918 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6919 with ATTRIBUTE_UNUSED.
6921 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6923 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6924 pointer, instead of assuming it is possible to derive the
6925 correct args size from a call insn.
6927 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6929 * rtl.h (CONST_INT_P): Define.
6930 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6931 instead of GET_CODE(x) == CONST_INT.
6932 (vax_rtx_costs): Likewise.
6933 (vax_output_int_move): Likewise.
6934 (vax_output_int_add): Likewise.
6935 (legitimate_constant_address_p): Likewise.
6936 (index_term_p): Likewise.
6937 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6938 * config/vax/vax.md (and<mode>3): Likewise.
6939 (ashrsi3): Likewise.
6941 (movstricthi): Likewise.
6942 (movstrictqi): Likewise.
6943 (rotrsi3): Likewise.
6944 (five unnamed insns): Likewise.
6946 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6948 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6949 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6950 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6951 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6952 Pass to ASM_OUTPUT_DWARF_OFFSET.
6953 * dwarf2out.c (debug_frame_section): New.
6954 (output_call_frame_info): Use debug_frame_section. Pass it to
6955 dw2_asm_output_offset.
6956 (output_die): Pass appropriate section to dw2_asm_output_offset.
6957 (output_compilation_unit_header): Likewise.
6958 (output_pubnames): Likewise.
6959 (output_aranges): Likewise.
6960 (enum dw_val_class): Break dw_val_class_lbl_offset into
6961 dw_val_class_lineptr and dw_val_class_macptr.
6962 (add_AT_lbl_offset): Delete.
6963 (add_AT_lineptr): New.
6964 (add_AT_macptr): New.
6965 (AT_lbl): Expect a lineptr or macptr.
6966 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6967 (attr_checksum): Likewise.
6968 (same_dw_val_p): Likewise.
6969 (size_of_die): Likewise.
6970 (value_format): Likewise.
6971 (output_die): Likewise.
6972 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6974 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6975 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6976 * config/darwin-protos.h (darwin_file_start): New.
6977 (darwin_asm_output_dwarf_offset): New.
6978 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6979 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6981 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6982 if not EH section; simplify.
6983 (darwin_file_start): New.
6984 (darwin_asm_output_dwarf_offset): New.
6985 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6987 (DEBUG_INFO_SECTION): Likewise.
6988 (DEBUG_ABBREV_SECTION): Likewise.
6989 (DEBUG_ARANGES_SECTION): Likewise.
6990 (DEBUG_MACINFO_SECTION): Likewise.
6991 (DEBUG_LINE_SECTION): Likewise.
6992 (DEBUG_LOC_SECTION): Likewise.
6993 (DEBUG_PUBNAMES_SECTION): Likewise.
6994 (DEBUG_STR_SECTION): Likewise.
6995 (DEBUG_RANGES_SECTION): Likewise.
6996 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6997 (ASM_OUTPUT_DWARF_OFFSET): New.
6999 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7001 * config.gcc (tm_defines): Always add to previous value rather
7004 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7006 * config/mips/predicates.md (splittable_const_int_operand): New,
7007 split from move_operand.
7008 (splittable_symbolic_operand): New.
7009 (move_operand): Add commentary. Use splittable_const_int_operand.
7010 Inline mips_atomic_symbolic_constant_p.
7011 * config/mips/mips.md: Add combine splitters for handling moves
7012 of splittable_const_int_operands and splittable_symbolic_operands.
7013 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7014 (mips_split_symbol): Declare.
7015 (mips_move_integer): Declare.
7016 * config/mips/mips.c (mips_split_p): Make global.
7017 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7018 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7019 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7020 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7021 (mips_offset_within_object_p): Handle block symbols.
7022 (mips_atomic_symbolic_constant_p): Delete.
7023 (mips_cannot_force_const_mem): Return false for constants that
7024 mips_legitimize_move can handle.
7025 (mips_use_blocks_for_constant_p): New function.
7026 (mips_split_symbol): Make global.
7027 (mips_move_integer): Likewise. Add a temporary register argument.
7028 (mips_legitimize_const_move): Use splittable_const_int_operand and
7029 splittable_symbolic_operand.
7030 (mips_use_anchors_for_symbol_p): New function.
7031 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7032 (mips_split_p): Declare.
7034 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7036 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7037 (mips*-*-linux*): Likewise.
7039 2006-03-16 Roger Sayle <roger@eyesopen.com>
7040 Daniel Speyer <dspeyer@wam.umd.edu>
7043 * tree-dump.c (dump_real): New function.
7044 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7045 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7046 (tree-dump.o): Add $(REAL_H) to the dependencies.
7048 2006-03-16 Roger Sayle <roger@eyesopen.com>
7051 * real.c (real_from_string): If the mantissa is zero, don't bother
7052 parsing the exponent as the result should always be zero.
7054 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7056 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7058 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7060 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7061 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7062 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7063 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7064 ia64_sched_finish_global): New static functions to implement
7065 hooks from gcc_target.sched.
7066 (spec_check_no, max_uid, pending_data_specs): New static variables.
7067 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7068 ia64_spec_check_src_p): New static functions.
7069 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7070 (TARGET_SCHED_ADJUST_COST): Removed.
7071 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7072 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7073 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7074 TARGET_SCHED_GEN_CHECK,
7075 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7076 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7077 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7078 Fixed to handle speculation checks.
7079 (rtx_needs_barrier): Fixed to handle speculative loads and
7081 (ia64_variable_issue): Added code to count speculative loads and their
7083 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7085 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7087 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7089 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7090 (ia64_reorg): Reset stops_p to NULL after it is freed.
7091 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7092 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7093 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7095 (data_speculative, control_speculative, check_load): New attributes.
7096 (mov<mode>_advanced, mov<mode>_speculative,
7097 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7098 zero_extend<mode>di2_speculative,
7099 zero_extend<mode>di2_speculative_advanced): New patterns for
7100 data and control speculative loads.
7101 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7103 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7104 New pattern for data and control speculation checks.
7105 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7106 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7107 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7108 Auxiliary definitions for the patterns.
7109 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7110 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7112 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7114 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7115 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7116 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7117 New resource constraints.
7118 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7120 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7121 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7122 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7123 msched-in-control-spec, msched-ldc, msched-control-ldc,
7124 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7125 msched-prefer-non-control-spec-insns,
7126 msched-count-spec-in-critical-path): New flags to tune speculative
7128 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7129 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7130 msched-in-control-spec, msched-ldc, msched-control-ldc,
7131 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7132 msched-prefer-non-control-spec-insns,
7133 msched-count-spec-in-critical-path): Document new flags.
7135 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7137 * target.h (struct spec_info_def): New opaque declaration.
7138 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7139 speculate_insn, needs_block_p, gen_check,
7140 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7141 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7142 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7143 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7144 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7145 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7147 (TARGET_SCHED): Use new macros.
7148 * rtl.h (copy_DEPS_LIST_list): New prototype.
7149 * sched-int.h (struct sched_info): Change signature of new_ready field,
7150 adjust all initializations. New fields: add_remove_insn,
7151 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7152 region_head_or_leaf_p.
7153 (struct spec_info_def): New structure declaration.
7154 (spec_info_t): New typedef.
7155 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7156 recovery_block, orig_pat.
7157 (glat_start, glat_end): New variables declaraions.
7158 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7160 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7161 DETACH_LIFE_INFO, USE_GLAT.
7162 (enum SPEC_SCHED_FLAGS): New enumeration.
7163 (NOTE_NOTE_BB_P): New macro.
7164 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7165 attach_life_info, debug_spec_status, check_reg_live): New functions.
7166 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7167 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7169 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7170 * ddg.c (get_block_head_tail): Adjust all uses.
7171 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7172 (sms_sched_info): Initialize new fields.
7173 (contributes_to_priority): Removed.
7174 * haifa-sched.c (params.h): New include.
7175 (get_block_head_tail): Adjust all uses.
7176 (ISSUE_POINTS): New macro.
7177 (glat_start, glat_end): New global variables.
7178 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7179 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7180 old_last_basic_block, before_recovery, current_sched_info_var,
7181 rgn_n_insns, luid): New static variables.
7182 (insn_cost1): New function. Move logic from insn_cost to here.
7183 (find_insn_reg_weight1): New function. Move logic from
7184 find_insn_reg_weight to here.
7185 (reemit_notes, move_insn, max_issue): Change signature.
7186 (move_insn1): Removed.
7187 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7188 extend_bb): New static functions to support extension of scheduler's
7190 (generate_recovery_code, process_insn_depend_be_in_spec,
7191 begin_speculative_block, add_to_speculative_block,
7192 init_before_recovery, create_recovery_block, create_check_block_twin,
7193 fix_recovery_deps): New static functions to support
7194 generation of recovery code.
7195 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7196 restore_bb_notes, move_block_after_check, move_succs): New static
7197 functions to support ebb scheduling.
7198 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7199 functions to support handling of register live information.
7200 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7201 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7202 add_jump_dependencies): New static functions.
7203 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7204 consistancy checking.
7205 (debug_spec_status): New function to call from debugger.
7206 (priority): Added code to handle speculation checks.
7207 (rank_for_schedule): Added code to distinguish speculative instructions.
7208 (schedule_insn): Added code to handle speculation checks.
7209 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7210 Fixed to handle ebbs.
7211 (move_insn): Added code to handle ebb scheduling.
7212 (max_issue): Added code to use ISSUE_POINTS of instructions.
7213 (choose_ready): Added code to choose between speculative and
7214 non-speculative instructions.
7215 (schedule_block): Added code to handle ebb scheduling and scheduling of
7216 speculative instructions.
7217 (sched_init): Initialize new variables.
7218 (sched_finish): Free new variables. Print statistics.
7219 (try_ready): Added code to handle speculative instructions.
7220 * lists.c (copy_DEPS_LIST_list): New function.
7221 * sched-deps.c (extend_dependency_caches): New function. Move logic
7222 from create_dependency_caches to here.
7223 (get_dep_weak, ds_merge): Make global.
7224 * genattr.c (main): Code to output prototype for
7225 dfa_clear_single_insn_cache.
7226 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7227 (output_dfa_clean_insn_cache_func): Code to output
7228 dfa_clear_single_insn_cache function.
7229 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7231 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7233 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7234 New static variables.
7235 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7236 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7238 (ebb_sched_info): Initialize new fields.
7239 (get_block_head_tail): Adjust all uses.
7240 (compute_jump_reg_dependencies): Fixed to use glat_start.
7241 (schedule_ebb): Code to remove unreachable last block.
7242 (schedule_ebbs): Added code to update register live information.
7243 * sched-rgn.c (region_sched_info): Initialize new fields.
7244 (get_block_head_tail): Adjust all uses.
7245 (last_was_jump): Removed. Adjust users.
7246 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7247 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7248 Implement new hooks.
7249 (check_dead_notes1): New static function.
7250 (struct region): New fields: dont_calc_deps, has_real_ebb.
7251 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7252 (BB_TO_BLOCK): Fixed to handle EBBs.
7253 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7254 (ebb_head): New static variable.
7255 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7256 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7258 (compute_dom_prob_ps): New assertion.
7259 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7260 global_live_at_start.
7261 (init_ready_list): New assertions.
7262 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7263 (new_ready): Add support for BEGIN_CONTROL speculation.
7264 (schedule_insns): Fixed code that updates register live information
7266 (schedule_region): Fixed to handle EBBs.
7267 (init_regions): Use extend_regions and check_dead_notes1.
7268 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7269 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7270 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7271 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7272 TARGET_SCHED_GEN_CHECK,
7273 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7274 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7275 * doc/invoke.texi (max-sched-insn-conflict-delay,
7276 sched-spec-prob-cutoff): Document.
7278 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7280 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7281 inter_tick, queue_index.
7282 (struct sched_info): Change signature of init_ready_list field.
7283 Adjust all initializations.
7284 (RESOLVED_DEPS): New access macro.
7285 (ready_add): Remove prototype.
7286 (try_ready): Add prototype.
7287 * sched-rgn.c (init_ready_list): Use try_ready.
7288 (schedule_region): Initialize
7289 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7290 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7291 (init_ready_list): Use try_ready.
7292 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7293 * lists.c (remove_list_elem): Remove `static'.
7294 (remove_free_INSN_LIST_elem): New function.
7295 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7296 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7297 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7299 (readyp): New variable.
7300 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7301 change_queue_index, resolve_dep): New static functions.
7302 (try_ready): New function. Adjust callers in sched-rgn.c and
7303 sched-ebb.c to use it instead of ready_add.
7304 (clock_var): Move at the begining of file.
7305 (rank_for_schedule): Fix typo.
7306 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7307 (ready_lastpos): Enforce assertion.
7308 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7310 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7311 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7312 (queue_to_ready): Use free_INSN_LIST_list.
7313 (early_queue_to_ready): Fix typo.
7314 (schedule_block): Init readyp. Move init_ready_list call after the
7315 initialization of clock_var. Fix error in rejecting insn by
7316 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7317 that previously corrected INSN_TICKs. Add code for handling
7319 (set_priorities): Fix typo.
7320 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7321 Clarify comment and code that keeps current_sched_info->next_tail
7324 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7326 * sched-rgn.c (extend_rgns): New static function.
7327 (find_rgns): Use it.
7328 (gather_region_statistics, print_region_statistics): New static
7330 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7331 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7333 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7334 Andrey Belevantsev <abel@ispras.ru>
7336 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7337 * lists.c (unused_deps_list): New variable.
7338 (free_list): Add assertions to verify the proper distinguishing
7339 between INSN_LISTs and DEPS_LISTs.
7340 (find_list_elem, remove_list_elem, remove_list_node): New static
7342 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7343 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7344 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7345 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7347 (free_INSN_LIST_node): Likewise.
7348 * modulo-sched.c (current_sched_info): Initialize flags field.
7349 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7350 * rtl.def (DEPS_LIST): Define.
7351 * rtl.h: Declare new functions from lists.c.
7352 * sched-deps.c (spec_dependency_cache): New static variable.
7353 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7354 (add_dependence): Change return type to void. Move the logic to ...
7355 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7356 (delete_all_dependences): Add comment about forward_dependency_cache.
7357 Handle spec_dependency_cache. Handle DEPS_LISTs.
7358 (fixup_sched_groups): Clarify the change of priority of output
7359 and anti dependencies.
7360 (sched_analyze_2): Adjust add_dependence calls to create data
7361 speculative dependence.
7362 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7363 Adjust all callers. Handle DEPS_LISTS.
7364 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7365 presence of speculation.
7366 (init_dependency_caches, free_dependency_caches):
7367 Handle spec_dependency_cache.
7368 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7369 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7370 New static functions.
7371 (add_or_update_back_dep, add_or_update_back_forw_dep,
7372 add_back_forw_dep, delete_back_forw_dep): New functions.
7373 * sched-int.h (ds_t, dw_t): New typedefs.
7374 (struct sched_info): Add new field flags.
7375 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7376 Prototype new sched-deps.c functions.
7377 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7378 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7379 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7380 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7381 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7382 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7384 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7386 * sched-rgn.c (current_sched_info): Initialize flags field.
7387 (schedule_insns): Initialize current_sched_info before the sched_init
7389 * sched-ebb.c (current_sched_info): Initialize flags field.
7390 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7391 Call add_or_update_back_dep instead of add_dependence.
7392 Create control speculative dependencies.
7393 (schedule_insns): Initialize current_sched_info before the sched_init
7396 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7398 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7400 (sh_fallback_frame_state): Likewise.
7402 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7404 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7405 Do switch on default_use_cxa_atexit.
7406 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7407 * config/darwin-crt3.o: New.
7408 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7409 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7410 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7412 * config/rs6000/t-darwin: Move crt2.o building to here.
7413 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7414 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7417 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7419 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7420 from '! xxx' to '!xxx' for coding-style conformance.
7421 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7422 (EXTRA_CONSTRAINT): Likewise.
7423 * config/vax/vax.md (four unnamed insns): Likewise.
7425 2006-03-15 Paul Brook <paul@codesourcery.com>
7427 * config/arm/arm.c (minipool_pad): New.
7428 (add_minipool_forward_ref): Include pool alignment padding in address
7430 (push_minipool_fix): Set minipool_pad.
7431 (minipool_pad): Ditto.
7433 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7435 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7436 instead of GET_CODE() == MEM and REG_P() instead of
7438 (print_operand_address): Likewise.
7439 (vax_address_cost): Likewise.
7440 (vax_rtx_costs): Likewise.
7441 (vax_notice_update_cc): Likewise.
7442 (vax_output_int_add): Likewise.
7443 (INDEX_REGISTER_P): Likewise.
7444 (BASE_REGISTER_P): Likewise.
7445 (nonindexed_address_p): Likewise.
7446 (vax_mode_dependent_address_p): Likewise.
7447 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7448 (PRINT_OPERAND): Likewise.
7449 * config/vax/vax.md (ashlsi3): Likewise.
7450 (ashlsi3): Likewise.
7451 (some more unnamed insns): Likewise.
7453 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7455 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7456 iterator-style macro.
7457 (mark_control_dependent_edges_necessary): Update the use of
7458 EXECUTE_IF_CONTROL_DEPENDENT.
7460 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7462 * config/sh/predicates.md (cache_address_operand): Special.
7463 (ua_address_operand): Likewise.
7465 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7467 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7469 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7471 2006-03-15 Andreas Schwab <schwab@suse.de>
7473 * gensupport.c (identify_predicable_attribute): Don't free p_false
7474 when it is still in use.
7476 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7478 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7479 the default setting here.
7481 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7483 * tree-pass.h (pass_cfg): Remove.
7484 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7485 * passes.c (pass_cfg): Don't run it.
7487 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7489 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7490 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7492 (stack_regs_mentioned): Update the uses of
7493 stack_regs_mentioned_data. Don't access the array beyond its
7495 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7496 Don't include gt-reg-stack.h.
7498 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7499 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7501 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7504 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7507 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7509 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7511 2006-03-14 Richard Guenther <rguenther@suse.de>
7513 PR tree-optimization/26672
7514 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7517 2006-03-14 Richard Guenther <rguenther@suse.de>
7519 PR tree-optimization/26667
7520 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7521 node for the callees. Always allow inlining if it will shrink
7524 2006-03-14 Richard Guenther <rguenther@suse.de>
7527 * builtins.c (get_pointer_alignment): Prefer alignment
7528 information from decls over that from types.
7530 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7533 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7535 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7537 * config/rs6000/rs6000.opt (mdlmzb): New option.
7538 (msched-prolog, msched-epilog): Use Var not Mask.
7539 * doc/invoke.texi (-mdlmzb): Document.
7540 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7542 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7543 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7545 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7547 PR rtl-optimization/25739
7548 * bt-load.c (augment_live_range): Free tos pointer.
7550 * gensupport.c (identify_predicable_attribute): Free
7552 * gcov.c (create_file_names): Free name pointer.
7554 2006-03-13 Roger Sayle <roger@eyesopen.com>
7557 * stmt.c (emit_case_nodes): Handle the case where the index is a
7558 CONST_INT, where the comparison mode is specified by the index type.
7560 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7562 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7565 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7567 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7568 (*branch_fp_inverted): Likewise.
7570 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7573 * omp-low.c (expand_omp_for_generic): Mark istart0
7574 and iend0 as addressable.
7576 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7578 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7580 2006-03-13 Jeff Law <law@redhat.com>
7582 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7583 virtual operands are interesting.
7584 (vrp_visit_stmt): Corresponding changes.
7586 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7588 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7590 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7591 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7592 * config/bfin/crti.S: Use it instead of __PIC__.
7593 * config/bfin/crtn.S: Likewise.
7595 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7596 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7598 Lose 'G' modifier for call operand.
7599 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7600 recognize 'G' modifier.
7602 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7605 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7606 * stmt.c (expand_case): Likewise.
7608 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7610 PR rtl-optimization/26254
7611 * loop-invariant.c (seq_insns_valid_p): New function.
7612 (move_invariant_reg): Only emit new code if it is valid.
7614 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7616 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7618 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7619 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7620 (commit_one_edge_insertion): Do not look for loop notes.
7622 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7624 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7625 flag_test_coverage out of loop.
7627 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7629 * final.c (shorten_branches): Remove outdated comment, and turn
7630 the if branch that guards it to continue.
7632 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7634 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7635 * cfgloop.h (struct loop): Remove unused fields.
7637 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7639 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7640 (-dL, -fdump-rtl-loop2): Update the dump file names
7642 * doc/invoke.texi: Update dump file names.
7644 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7646 * predict.c (estimate_probability): Remove.
7647 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7648 * basic-block.h (estimate_probability): Remove prototype.
7649 * passes.c (finish_optimization_passes): Dump branch prediction or
7650 profiling heuristics to the .profile tree dump.
7651 (init_optimization_passes): Unqueue pass_branch_prob.
7653 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7655 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7657 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7658 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7660 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7662 * function.h (frame_offset_overflow): Declare.
7663 * function.c (frame_offset_overflow): New function.
7664 (assign_stack_local_1): Call it to detect that the offset overflows.
7665 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7667 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7669 * config/sh/sh.c: Include alloc-pool.h.
7670 (label_ref_list_pool): New alloc pool.
7671 (label_ref_list_t): New type for lists of labels.
7672 (struct pool_node): Make wend a label_ref_list_t.
7673 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7675 (dump_table): Likewise.
7676 (sh_reorg): Set up the alloc pool before using add_constant and
7677 dump_table, and destroy it when finishing.
7679 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7681 * config/mips/mips.c: Remove redundant comment.
7683 2006-03-10 Jason Merrill <jason@redhat.com>
7686 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7687 the target was declared 'register'.
7689 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7691 * genpreds.c (write_insn_constraint_len): Change definition of
7692 insn_constraint_len to return size_t to match the declaration.
7694 2006-03-10 DJ Delorie <dj@redhat.com>
7696 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7698 (m32c_expand_insv): Fix test for an AND mask.
7700 2006-03-10 Richard Guenther <rguenther@suse.de>
7703 * builtins.c (get_pointer_alignment): Handle component
7704 references for field alignment.
7706 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7708 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7709 when building with libgloss.
7710 (sh*elf): Implement --without-fp option.
7711 (sh64-superh-linux*): Don't multilib.
7713 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7715 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7717 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7719 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7720 Set it when one of the replacement functions returned true.
7721 Return TODO_cleanup_cfg if cfgchanged is true.
7722 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7724 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7726 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7727 instead of gen_lowpart.
7729 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7731 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7733 (mips_output_order_conditional_branch): Declare.
7734 * config/mips/mips.h (MIPS_BRANCH): New macro.
7735 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7736 for the comparison. Use gen_condjump.
7737 (mips_output_conditional_branch): Rework interface to take the
7738 asm templates for a direct branch and the inverse of a direct branch.
7739 (mips_output_order_conditional_branch): New function.
7740 (mips_builtin_branch_and_move): New function.
7741 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7742 branch condition. Use gen_single_cc as the condition for
7743 __builtin_mips_upper_* or __builtin_mips_lower_*.
7744 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7745 Use VOIDmode for the branch condition.
7746 * config/mips/predicates.md (order_operator): New predicate.
7747 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7748 (branch_fp): Rename to...
7749 (*branch_fp): ...this. Remove mode from comparison operator.
7750 Use new mips_output_conditional_branch interface.
7751 (branch_fp_inverted): Rename to...
7752 (*branch_fp_inverted): ...this and update as for *branch_fp.
7753 (*branch_zero<mode>): Rename to...
7754 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7755 Use mips_output_order_conditional_branch. Only accept ordered
7757 (*branch_zero<mode>_inverted): Rename to...
7758 (*branch_order<mode>_inverted): ...this and update as for
7759 *branch_order<mode>.
7760 (*branch_equality<mode>): Accept zero as the second operand to
7761 the equality operator. Use the new mips_output_conditional_branch
7763 (*branch_equality<mode>_inverted): Likewise.
7764 (condjump): New expander.
7765 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7767 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7768 (bc1any2t, bc1any2f): Likewise.
7769 (single_cc): New expander.
7770 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7772 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7774 * doc/md.texi: Update documentation of MIPS constraints.
7775 * config/mips/constraints.md: New file.
7776 * config/mips/mips.md: Include it.
7777 * config/mips/mips.c (mips_char_to_class): Delete.
7778 (override_options): Don't initialize mips_char_to_class.
7779 * config/mips/mips.h (mips_char_to_class): Delete.
7780 (REG_CLASS_FROM_LETTER): Delete.
7781 (CONST_OK_FOR_LETTER_P): Delete.
7782 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7783 (EXTRA_CONSTRAINT_Y): Delete.
7784 (EXTRA_CONSTRAINT_STR): Delete.
7785 (CONSTRAINT_LEN): Delete.
7786 (EXTRA_MEMORY_CONSTRAINT): Delete.
7788 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7790 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7791 original fn's eh regions.
7793 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7795 * fold-const.c (build_range_check): Make sure to use a valid type to
7796 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7799 (range_predecessor): New static function.
7800 (range_successor): Likewise.
7801 (merge_ranges): Use them to compute predecessors and successors of
7804 2006-03-09 Roger Sayle <roger@eyesopen.com>
7807 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7808 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7810 2006-03-08 DJ Delorie <dj@redhat.com>
7812 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7813 (addpsi3): Expand to include memory operands. Remove
7814 reload-specific splits.
7815 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7816 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7817 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7818 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7819 (shift1_qi, shift1_hi, insv): New.
7820 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7821 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7822 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7824 * config/m32c/m32c-protos.h: Update as needed.
7825 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7826 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7827 Fail for unrecognized R* constraints.
7828 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7829 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7830 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7832 (m32c_init_libfuncs): New.
7833 (m32c_legitimate_address_p): Add debug wrapper.
7834 (m32c_rtx_costs): New.
7835 (m32c_address_cost): New.
7836 (conversions): Add 'B' prefix.
7837 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7838 operands, or word regnames for QI operands. 'B' prints bit
7840 (m32c_expand_setmemhi): New.
7841 (m32c_expand_movmemhi): New.
7842 (m32c_expand_movstr): New.
7843 (m32c_expand_cmpstr): New.
7844 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7845 (m32c_expand_neg_mulpsi3): Handle non-ints.
7846 (m32c_cmp_flg_0): New.
7847 (m32c_expand_movcc): New.
7848 (m32c_expand_insv): New.
7849 (m32c_scc_pattern): New.
7850 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7851 a0/a1 out of SIregs.
7852 (STORE_FLAG_VALUE): New.
7853 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7856 * config/m32c/mov.md: Make constraints more liberal.
7857 (zero_extendqihi2): Optimize r0/r1 case.
7858 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7859 * config/m32c/predicates.md (m32c_any_operand): New.
7860 (m32c_nonimmediate_operand): New.
7861 (m32c_hl_operand): New.
7862 (m32c_r3_operand): New.
7865 (memsym_operand): New.
7866 (memimmed_operand): New.
7867 (a_qi_operand): New.
7868 (m32c_eqne_operator): New.
7869 (m32c_1bit8_operand): New.
7870 (m32c_1bit16_operand): New.
7871 (m32c_1mask8_operand): New.
7872 (m32c_1mask16_operand): New.
7873 * config/m32c/blkmov.md: New file.
7874 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7876 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7878 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7879 unsigned to fix signed/unsigned comparison issue in
7880 DWARF2_FRAME_REG_OUT.
7881 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7882 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7884 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7885 of ptr into the ENABLE_CHECKING section.
7887 2006-03-08 Jeff Law <law@redhat.com>
7889 * tree-vrp.c (infer_value_range): Only count pointer uses
7890 and dereferences if -fdelete-null-pointer-checks is enabled.
7892 * tree-vrp.c (find_assert_locations): Infer value ranges for
7893 single use pointers, but do not create ASSERT_EXPRs for them.
7894 When a non-null range is inferred for a pointer, backwards
7895 propagate that range to other equivalent pointers through the
7898 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7901 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7902 language hook targets.
7903 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7904 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7905 if language hook targets were missing.
7907 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7909 * tree-ssa-opfinalize.h: Removed.
7910 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7912 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7913 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7914 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7915 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7916 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7917 finalize_ssa_v_must_def_ops): New.
7919 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7921 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7924 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7926 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7928 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7929 addresses with offsets; reorganize.
7931 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7932 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7933 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7935 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7938 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7940 2006-03-08 Ben Elliston <bje@au.ibm.com>
7942 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7944 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7947 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7950 2006-03-07 Richard Guenther <rguenther@suse.de>
7952 PR tree-optimization/26587
7953 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7955 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7957 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7959 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7961 * hooks.c (hook_bool_mode_rtx_true): New function.
7962 * hooks.h (hook_bool_mode_rtx_true): Declare.
7963 * toplev.c (compile_file): Call output_shared_constant_pool.
7964 * varasm.c (shared_constant_pool): New variable.
7965 (assemble_start_function, assemble_end_function): Remove arguments
7966 from call to output_constant_pool.
7967 (create_constant_pool): New function, split out from...
7968 (init_varasm_status): ...here.
7969 (force_const_mem): Choose between the shared and per-function constant
7970 pools. Set current_function_uses_const_pool when reusing old entries
7971 as well as when creating new ones.
7972 (mark_constant): Ignore data argument.
7973 (mark_constants): Remove pool argument.
7974 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7975 to decide whether the function uses a constant pool.
7976 (output_constant_pool_contents): New function, split out from...
7977 (output_constant_pool): ...here.
7978 (output_shared_constant_pool): New function.
7979 (init_varasm_once): Initialize shared_constant_pool.
7980 * output.h (output_constant_pool): Delete.
7981 (output_shared_constant_pool): Declare.
7982 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7983 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7985 2006-03-06 Nick Clifton <nickc@redhat.com>
7987 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7988 flag_strength_reduce.
7990 2006-03-06 Ben Elliston <bje@au.ibm.com>
7992 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7993 x86_64-*-linux* configurations.
7995 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7996 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7998 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8000 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8002 * basic-block.h: Remove the extern for
8003 rediscover_loops_after_threading.
8005 * cfgloop.c (cancel_loop): Make it static.
8006 * cfgloop.h: Remove the prototype for cancel_loop.
8008 * flow.c (recompute_reg_usage): Make it static.
8009 * rtl.h: Remove the prototype for recompute_reg_usage.
8011 * function.c (use_return_register): Make it static.
8012 * function.h: Remove the prototype.
8014 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8016 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8018 * recog.h: Remove the prototype for
8019 validate_change_maybe_volatile.
8021 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8023 * rtlanal.c (replace_reg): Remove.
8024 * rtl.h: Remove the prototype for replace_reg.
8026 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8028 * regclass.c (reg_scan_update): Remove.
8029 (reg_scan_mark_refs): Remove the last argument.
8030 * rtl.h: Remove the prototype for reg_scan_update.
8032 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8034 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8035 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8036 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8037 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8038 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8039 loop-invariant.c, omp-low.c, opts.c, passes.c,
8040 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8041 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8042 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8043 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8044 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8045 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8047 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8049 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8050 * dwarf2out.h: Remove the prototype for
8051 dwarf2out_add_library_unit_info.
8053 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8055 * tree.c (add_var_to_bind_expr): Remove.
8056 * tree.h: Remove the prototype for add_var_to_bind_expr.
8058 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8060 * regclass.c (n_non_fixed_regs): Remove.
8061 (init_reg_sets_1, globalize_reg): Remove all uses of
8063 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8065 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8067 * rtlanal.c (insns_safe_to_move_p): Remove.
8068 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8070 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8072 * expmed.c (expand_mult_add): Remove.
8073 * expr.h: Remove the prototype for expand_mult_add.
8075 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8077 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8078 and REG_SAVED_VAL_EXP constants.
8079 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8080 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8081 Handle regs stored by value.
8082 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8083 (execute_cfa_program): Handle DW_CFA_val_offset,
8084 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8085 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8086 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8087 (uw_install_context_1): Handle target regs stored by value.
8089 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8091 * tree-sra.c (tree_sra): Return todoflags;
8092 (generate_one_element): Set TODO_update_smt_usage if needed.
8093 (pass_sra): Remove TODO_update_smt_usage.
8094 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8096 (tree_ssa_forward_propagate_single_use_vars): Return
8097 TODO_update_smt_usage if we need to update SMT usage.
8098 (pass_forwprop): Remove TODO_update_smt_usage.
8100 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8102 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8103 (correct_use_link): Remove reference to get_stmt_operands.
8104 (update_stmt_operands): Likewise.
8105 (get_modify_expr_operands): New function factored out of
8106 parse_ssa_operands and get_expr_operands.
8107 Try to create V_MUST_DEFs for LHS by default.
8108 (get_expr_operands) <case MODIFY_EXPR>: Call
8109 get_modify_expr_operands.
8110 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8111 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8112 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8113 get_modify_expr_operands.
8115 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8117 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8118 * tree-flow.h: Remove the prototype for
8119 referenced_var_lookup_if_exists.
8121 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8123 PR rtl-optimization/26345
8125 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8127 2006-03-03 Roger Sayle <roger@eyesopen.com>
8129 PR tree-optimization/26524
8130 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8131 fold_convert to create a constant of the appropriate type.
8133 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8135 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8136 SYMBOL_REF_IN_BLOCK_P.
8137 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8138 of SYMBOL_FLAG_IN_BLOCK.
8139 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8140 instead of SYMBOL_REF_IN_BLOCK_P.
8141 * explow.c (use_anchored_address): Likewise.
8142 * rtl.c (rtx_size): Likewise.
8143 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8144 instead of SYMBOL_FLAG_IN_BLOCK.
8145 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8146 SYMBOL_REF_IN_BLOCK_P.
8147 (assemble_variable): Likewise.
8148 (output_constant_def_contents): Likewise.
8149 (output_constant_pool): Likewise.
8150 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8151 instead of SYMBOL_FLAG_IN_BLOCK.
8152 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8153 SYMBOL_REF_IN_BLOCK_P.
8154 (SYMBOL_REF_BLOCK): Likewise.
8155 (SYMBOL_REF_OFFSET): Likewise.
8156 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8157 SYMBOL_REF_IN_BLOCK_P.
8158 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8159 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8160 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8161 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8163 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8165 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8167 2006-03-02 Roger Sayle <roger@eyesopen.com>
8169 * simplify-rtx.c (simplify_unary_operation): When simplifying
8170 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8171 that we perform the right shift in the appropriate mode, and
8172 then extend or truncate the result to requested mode.
8174 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8176 * gengtype.c (main): Handle double_int type.
8177 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8178 * double-int.c: New file.
8179 * double-int.h: New file.
8180 * system.h: Include doubleint.h.
8181 * Makefile.in (SYSTEM_H): Include double-int.h.
8182 (double-int.o): Add.
8184 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8187 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8190 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8192 * tree-vrp.c (remove_range_assertions): Do not update statements
8195 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8197 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8199 * gcse.c (rest_of_handle_gcse): Ditto.
8200 * except.c (gate_handle_eh): Ditto.
8201 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8202 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8204 2006-03-02 Eric Christopher <echristo@apple.com>
8206 * config/i386/i386.c (machopic_output_stub): Add indirection to
8209 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8213 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8215 Sun Niagara specific optimizations.
8216 * config.gcc: Recognize niagara as target.
8217 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8218 (TARGET_CPU_niagara): Define.
8219 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8220 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8221 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8222 (ASM_CPU_SPEC): Likewise.
8223 (PROCESSOR_NIAGARA): New enum entry.
8224 (REGISTER_MOVE_COST): Handle Niagara.
8225 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8226 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8227 (sparc_override_options): Recognize "niagara", set appropriate
8228 default MASK_* values for it, and align functions to 32-bytes
8229 by default just like ULTRASPARC/ULTRASPARC3.
8230 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8231 (sparc64_initialize_trampoline): Likewise.
8232 (sparc_use_sched_lookahead): Use zero for niagara.
8233 (sparc_issue_rate): Use one for niagara.
8234 * config/sparc/niagara.md: New file.
8235 * config/sparc/sparc.md: Include it.
8236 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8237 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8238 when default cpu is niagara.
8239 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8240 (ASM_CPU_SPEC): Likewise.
8241 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8242 when default cpu is niagara.
8243 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8244 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8245 just like v9/ultrasparc/ultrasparc3.
8246 * doc/invoke.texi: Add documentation for "niagara" and improve
8247 existing documentation for ultrasparc variants.
8249 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8251 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8253 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8255 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8256 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8257 and say that only one is needed.
8258 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8259 * target.h (have_switchable_bss_sections): New hook.
8260 * explow.c (use_anchored_address): Check that the symbol is in a block.
8261 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8262 (bss_noswitch_section): New variables.
8263 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8264 (get_noswitch_section): New function.
8265 (get_block_for_section): Allow SECT to be null.
8266 (unlikely_text_section_p): Use SECTION_STYLE.
8267 (bss_initializer_p): New function.
8268 (get_variable_section): Move earlier in file. Take a new argument,
8269 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8270 Return one of the new *_sections in such cases.
8271 (get_block_for_decl): New function, extracting some logic from
8272 use_blocks_for_decl_p.
8273 (change_symbol_section): Remove in favor of...
8274 (change_symbol_block): ...this new function.
8275 (use_blocks_for_decl_p): Remove checks now performed by
8277 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8278 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8279 (emit_local, emit_bss, emit_common): ...these new functions.
8280 Return true if the alignment was honored.
8281 (emit_tls_common): New function.
8282 (asm_emit_uninitialised): Delete.
8283 (assemble_variable_noswitch): New function, split out from...
8284 (assemble_variable): ...here. Don't make decisions about common
8285 variables here. Globalize all public decls that go into non-common
8286 sections. Check whether SYMBOL_REF_BLOCK is null.
8287 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8288 (output_constant_pool): Likewise.
8289 (init_varasm_once): Initialize the new section variables.
8290 (have_global_bss_p): New function.
8291 (categorize_decl_for_section): Use bss_initializer_p.
8292 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8293 (place_block_symbol): Assert that the symbol must be in a block.
8294 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8295 (TARGET_INITIALIZER): Include it.
8296 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8297 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8298 (SECTION_MACH_DEP): Bump by two.
8299 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8300 (unnamed_section): Mention SECTION_UNNAMED in comment.
8301 (named_section): Likewise SECTION_NAMED.
8302 (noswitch_section_callback): New type.
8303 (noswitch_section): New structure.
8304 (section): Add a noswitch_section alternative.
8305 (SECTION_STYLE): New macro.
8306 (tls_comm_section, comm_section, lcomm_section): Declare.
8307 (bss_noswitch_section, have_global_bss_p): Declare.
8308 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8309 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8311 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8312 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8315 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8317 * tree-vrp.c (execute_vrp): Return value.
8318 * regrename.c (rest_of_handle_regrename): Ditto.
8319 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8320 * tree-complex.c (tree_lower_complex): Ditto.
8321 (tree_lower_complex_O0): Ditto.
8322 * tracer.c (rest_of_handle_tracer): Ditto.
8323 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8324 * postreload.c (rest_of_handle_postreload): Ditto.
8325 * tree-tailcall.c (execute_tail_recursion): Ditto.
8326 (execute_tail_calls): Ditto.
8327 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8328 * tree.h (init_function_for_compilation): Ditto.
8329 * ipa-cp.c (ipcp_driver): Ditto.
8330 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8331 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8332 * final.c (compute_alignments): Ditto.
8333 (rest_of_handle_final): Ditto.
8334 (rest_of_handle_shorten_branches): Ditto.
8335 (rest_of_clean_state): Ditto.
8336 * omp-low.c (execute_expand_omp): Ditto.
8337 (execute_lower_omp): Ditto.
8338 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8339 * ipa-reference.c (static_execute): Ditto.
8340 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8341 * reorg.c (rest_of_handle_delay_slots): Ditto.
8342 (rest_of_handle_machine_reorg): Ditto.
8343 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8344 * flow.c (recompute_reg_usage): Ditto.
8345 (rest_of_handle_remove_death_notes): Ditto.
8346 (rest_of_handle_life): Ditto.
8347 (rest_of_handle_flow2): Ditto.
8348 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8349 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8350 (do_ssa_store_ccp): Ditto.
8351 (execute_fold_all_builtins): Ditto.
8352 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8353 * modulo-sched.c (rest_of_handle_sms): Ditto.
8354 * ipa-pure-const.c (static_execute): Ditto.
8355 * cse.c (rest_of_handle_cse): Ditto.
8356 (rest_of_handle_cse2): Ditto.
8357 * web.c (rest_of_handle_web): Ditto.
8358 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8359 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8360 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8361 * tree-nrv.c (tree_nrv): Ditto.
8362 (execute_return_slot_opt): Ditto.
8363 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8364 (create_structure_vars): Ditto.
8365 * loop-init.c (rtl_loop_init): Ditto.
8366 (rtl_loop_done): Ditto.
8367 (rtl_move_loop_invariants): Ditto.
8368 (rtl_unswitch): Ditto.
8369 (rtl_unroll_and_peel_loops): Ditto.
8370 (rtl_doloop): Ditto.
8371 * gimple-low.c (lower_function_body): Ditto.
8372 (mark_used_blocks): Ditto.
8373 * tree-ssa-sink.c (execute_sink_code): Ditto.
8374 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8375 (cgraph_early_inlining): Ditto.
8376 * global.c (rest_of_handle_global_alloc): Ditto.
8377 * jump.c (cleanup_barriers): Ditto.
8378 (purge_line_number_notes): Ditto.
8379 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8380 (rest_of_handle_if_after_reload): Ditto.
8381 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8382 (tree_ssa_loop_im): Ditto.
8383 (tree_ssa_loop_unswitch): Ditto.
8384 (tree_vectorize): Ditto.
8385 (tree_linear_transform): Ditto.
8386 (tree_ssa_loop_ivcanon): Ditto.
8387 (tree_ssa_empty_loop): Ditto.
8388 (tree_ssa_loop_bounds): Ditto.
8389 (tree_complete_unroll): Ditto.
8390 (tree_ssa_loop_prefetch): Ditto.
8391 (tree_ssa_loop_ivopts): Ditto.
8392 (tree_ssa_loop_done): Ditto.
8393 * predict.c (tree_estimate_probability): Ditto.
8394 * recog.c (split_all_insns_noflow): Ditto.
8395 (rest_of_handle_peephole2): Ditto.
8396 (rest_of_handle_split_all_insns): Ditto.
8397 * tree-eh.c (lower_eh_constructs): Ditto.
8398 * regmove.c (rest_of_handle_regmove): Ditto.
8399 (rest_of_handle_stack_adjustments): Ditto.
8400 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8401 * function.c (instantiate_virtual_regs): Ditto.
8402 (init_function_for_compilation): Ditto.
8403 (rest_of_handle_check_leaf_regs): Ditto.
8404 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8405 (rest_of_handle_gcse): Ditto.
8406 * ipa-type-escape.c (type_escape_execute): Ditto.
8407 * alias.c (rest_of_handle_cfg): Ditto.
8408 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8409 * profile.c (rest_of_handle_branch_prob): Ditto.
8410 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8411 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8412 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8413 * tree-dfa.c (find_referenced_vars): Ditto.
8414 * except.c (set_nothrow_function_flags): Ditto.
8415 (convert_to_eh_region_ranges): Ditto.
8416 (rest_of_handle_eh): Ditto.
8417 * emit-rtl.c (unshare_all_rtl): Ditto.
8418 (remove_unnecessary_notes): Ditto.
8419 * except.h (set_nothrow_function_flags): Ditto.
8420 (convert_to_eh_region_ranges): Ditto.
8421 * cfgexpand.c (tree_expand_cfg): Ditto.
8422 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8423 * tree-ssa-pre.c (do_pre): Ditto.
8424 (execute_fre): Ditto.
8425 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8426 (rest_of_handle_jump2): Ditto.
8427 * tree-sra.c (tree_sra): Ditto.
8428 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8429 (execute_mudflap_function_decls): Ditto.
8430 * tree-ssa-copy.c (do_copy_prop): Ditto.
8431 (do_store_copy_prop): Ditto.
8432 * ipa-prop.h (ipcp_driver): Ditto.
8433 * cfglayout.c (insn_locators_initialize): Ditto.
8434 * tree-ssa-forwprop.c
8435 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8436 * cfglayout.h (insn_locators_initialize): Ditto.
8437 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8438 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8439 (execute_late_warn_uninitialized): Ditto.
8440 * rtl.h (cleanup_barriers): Ditto.
8441 (split_all_insns_noflow): Ditto.
8442 (purge_line_number_notes): Ditto.
8443 (unshare_all_rtl): Ditto.
8444 (remove_unnecessary_notes): Ditto.
8445 (recompute_reg_usage): Ditto.
8446 (variable_tracking_main): Ditto.
8447 * integrate.c (emit_initial_value_sets): Ditto.
8448 * integrate.h (emit_initial_value_sets): Ditto.
8449 * tree-optimize.c (execute_free_datastructures): Ditto
8450 (execute_free_cfg_annotations): Ditto.
8451 (execute_fixup_cfg): Ditto.
8452 (execute_cleanup_cfg_pre_ipa): Ditto.
8453 (execute_cleanup_cfg_post_optimizing): Ditto.
8454 (execute_init_datastructures): Ditto.
8455 * tree-object-size.c (compute_object_sizes): Ditto.
8456 * combine.c (rest_of_handle_combine): Ditto.
8457 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8458 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8459 (rest_of_handle_reorder_blocks): Ditto.
8460 (rest_of_handle_partition_blocks): Ditto.
8461 * var-tracking.c (variable_tracking_main): Ditto.
8462 * tree-profile.c (tree_profiling): Ditto.
8463 * tree-vect-generic.c (expand_vector_operations): Ditto.
8464 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8465 * sched-rgn.c (rest_of_handle_sched): Ditto.
8466 (rest_of_handle_sched2): Ditto.
8467 * basic-block.h (free_bb_insn): Ditto.
8468 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8469 * tree-cfg.c (execute_build_cfg): Ditto.
8470 (remove_useless_stmts): Ditto.
8471 (split_critical_edges): Ditto.
8472 (execute_warn_function_return): Ditto.
8473 (execute_warn_function_noreturn): Ditto.
8474 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8475 * cfgrtl.c (free_bb_for_insn): Ditto.
8476 * passes.c (execute_one_pass): Run additional
8477 todos returned by execute function.
8478 * tree-pass.h (struct tree_opt_pass): Make execute
8481 2006-03-02 Richard Guenther <rguenther@suse.de>
8483 * tree-ssa-alias.c (find_used_portions): Consider taking
8484 the address as making the variable not write-only.
8486 2006-03-02 Nick Clifton <nickc@redhat.com>
8488 * config.gcc (default_use_cxa_atexit): Extend the description of
8489 this configure variable. Set its default value to "yes" for
8490 Linux, NetBSD and ELF targets on the assumption that they will
8491 use C libraries with the __cxa_atexit function.
8493 2006-03-02 Ben Elliston <bje@au.ibm.com>
8495 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8496 parameter as unused to suppress a build warning.
8498 2006-03-02 Ben Elliston <bje@au.ibm.com>
8500 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8503 2006-03-01 Roger Sayle <roger@eyesopen.com>
8506 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8507 declared name, the weak reference name, and the typeof name.
8508 (__gthrw): Avoid expanding the declared name suffix.
8509 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8511 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8513 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8515 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8516 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8517 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8518 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8519 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8520 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8521 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8522 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8523 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8524 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8525 (DW_END_default, DW_END_big, DW_END_little): New.
8526 (DW_END_lo_user, DW_END_hi_user): Define.
8527 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8528 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8529 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8532 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8534 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8536 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8538 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8540 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8542 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8543 to 'symbol_mem_tag'.
8545 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8548 2006-03-01 Roger Sayle <roger@eyesopen.com>
8550 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8552 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8555 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8556 MACHO_DYNAMIC_NO_PIC_P.
8557 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8559 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8562 * config/darwin-protos.h (darwin_asm_output_anchor):
8564 * config/darwin-sections.def (cstring_section):
8565 Add SECTION_MERGE to the flags.
8566 (literal4_section): Likewise.
8567 (literal8_section): Likewise.
8568 (objc_selector_refs_section): Likewise.
8569 (objc_cls_refs_section): Likewise.
8570 * config/darwin.c (darwin_asm_output_anchor): New
8572 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8574 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8576 Fix PR tree-optimization/26443
8577 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8578 to todo and PROP_tmt_usage to properties_destroyed.
8579 * tree-ssa-ccp.c (pass_ccp): Ditto.
8580 (pass_store_ccp): Ditto.
8581 * tree-ssa-dom.c (pass_dominator): Ditto.
8583 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8585 * tree-ssa-operands.c: Cleanup whitespace.
8586 (get_asm_expr_operands): Move before first invocation.
8587 (get_indirect_ref_operands): Likewise.
8588 (get_tmr_operands): Likewise.
8589 (get_call_expr_operands): Likewise.
8590 (append_def): Likewise.
8591 (append_use): Likewise.
8592 (append_v_may_def): Likewise.
8593 (append_v_must_def): Likewise.
8594 (add_call_clobber_ops): Likewise.
8595 (add_call_read_ops): Likewise.
8596 (add_stmt_operand): Likewise.
8597 (add_virtual_operand): Likewise.
8598 (build_ssa_operands): Likewise.
8600 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8605 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8606 with a call expr to ...
8607 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8609 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8611 * tree-vrp.c (extract_range_from_assert): Remove special
8612 handling for types with super-types.
8614 2006-03-01 Ben Elliston <bje@au.ibm.com>
8616 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8617 and powerpc64-*-linux* configurations.
8618 * config/t-dfprules: New file.
8620 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8621 Compile dfp-bit.c from the source directory using -DWIDTH and
8622 $DFP_CFLAGS to control the compilation of that file, rather than
8623 generating width-specific versions in the build directory.
8624 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8625 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8627 2006-02-28 Zack Weinberg <zackw@panix.com>
8629 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8632 2006-02-28 Eric Christopher <echristo@apple.com>
8634 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8635 Set up IN_LIBGCC definition of TARGET_64BIT.
8636 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8638 2006-02-28 Roger Sayle <roger@eyesopen.com>
8641 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8642 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8643 cases via the construction of "expr != 0".
8645 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8647 * alias.c (alias_invariant, alias_invariant_size): Remove.
8648 (record_base_value): Remove.
8649 (memrefs_conflict_p): Don't look at alias_invariant.
8650 (end_alias_analysis): Don't free it.
8651 * alias.h (record_base_value): Remove prototype.
8653 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8654 Adam Nemet <anemet@caviumnetworks.com>
8656 * rtl.h (truncated_to_mode): Declare it.
8657 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8658 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8659 (RTL_HOOKS_INITIALIZER): Include it.
8660 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8661 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8662 reg_truncated_to_mode.
8663 * rtlanal.c (truncated_to_mode): Define it.
8664 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8666 2006-02-28 Jeff Law <law@redhat.com>
8668 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8669 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8670 the range allowed by TYPE_PRECISION.
8672 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8674 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8676 PR tree-optimization/26419
8677 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8680 2006-02-27 Zack Weinberg <zackw@panix.com>
8682 * doc/md.texi: Fix typo in previous change.
8684 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8688 2006-02-27 Zack Weinberg <zackw@panix.com>
8690 * rtl.def (define_constraint, define_register_constraint)
8691 (define_memory_constraint, define_address_constraint): New MD forms.
8692 * gensupport.c (process_rtx): Put define_constraint etc on the
8694 * genpreds.c (process_define_predicate): Adjust comment. Validate
8695 the name, and call validate_exp to validate the expression.
8696 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8697 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8698 all callers changed.
8699 (validate_exp, needs_variable, struct constraint_data)
8700 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8701 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8702 (const_dbl_constraints, constraint_max_namelen)
8703 (have_register_constraints, have_memory_constraints)
8704 (have_address_constraints, have_address_constraints)
8705 (have_extra_constraints, have_const_int_constraints)
8706 (have_const_dbl_constraints, mangle, add_constraint)
8707 (process_define_constraint, process_define_register_constraint)
8708 (write_enum_constraint_num, write_lookup_constraint)
8709 (write_insn_constraint_len, write_regclass_for_constraint)
8710 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8711 (write_insn_extra_memory_constraint)
8712 (write_insn_extra_address_constraint)
8713 (write_satisfies_constraint_fns): New.
8714 (write_tm_preds_h): If we have new-style constraint definitions,
8715 prototype the functions generated from them, and define the
8716 old constraint interface (still used by generic code) in terms of
8718 (write_insn_preds_c): If we have new-style constraint definitions,
8719 generate all relevant functions from those definitions.
8720 (main): Handle define_constraint etc.
8721 * genoutput.c (struct constraint_data, indep_constraints)
8722 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8723 (mdep_constraint_len): New data structures and functions, defined
8724 #ifdef USE_MD_CONSTRAINTS.
8725 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8726 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8727 use new logic to validate operand constraints against constraint
8729 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8731 * defaults.h: If none of the old-style constraint macros are
8732 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8733 old-style macros; and poison REG_CLASS_FROM_LETTER,
8734 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8736 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8737 * doc/md.texi: Document new constraint-definition mechanism and the
8738 C interface it provides. Remove references to old mechanism
8739 elsewhere in the document.
8740 (Machine Constraints): Use pathnames relative to gcc directory,
8741 i.e. config/ARCH/FILE. Change i386 section to refer to
8742 config/i386/predicates.md; update that section to match docstrings.
8743 * doc/tm.texi: Move all documentation of the old constraint-
8744 definition macros to their own section, clearly mark as obsolete.
8746 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8747 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8749 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8750 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8751 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8753 (splits and peepholes): Use satisfies_constraint_*.
8754 * config/i386/i386.c (memory_address_length)
8755 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8757 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8759 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8760 scalar operation to be put back into the loop.
8762 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8765 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8766 (extract_cie_info): Handle S flag in augmentation string.
8767 (execute_cfa_program): If context->signal_frame, execute also
8768 fs->pc == context->ra instructions.
8769 (uw_frame_state_for): If context->signal_frame, don't subtract one
8770 from context->ra to find FDE.
8771 (uw_update_context_1): Set context->signal_frame to
8773 (_Unwind_GetIPInfo): New function.
8774 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8775 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8777 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8778 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8779 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8780 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8781 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8782 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8783 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8784 x86_64_fallback_frame_state): Set fs->signal_frame.
8785 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8786 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8787 (frob_update_context): Likewise. Workaround missing S flag in
8788 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8789 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8790 Remove the psw_addr + 1 hack.
8792 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8794 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8795 with aggregates here.
8796 (find_func_aliases): Remove code for &<aggregate> from here.
8798 2006-02-26 Roger Sayle <roger@eyesopen.com>
8800 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8801 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8802 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8805 2006-02-26 Roger Sayle <roger@eyesopen.com>
8808 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8810 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8812 * opts.c (decode_options): Do not handle flag_strength_reduce.
8813 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8814 and OPT_fstrength_reduce.
8815 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8816 flag_prefetch_loop_arrays for being nonzero.
8817 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8819 (fprefetch-loop-arrays-rtl): Removed.
8820 (flag_prefetch_loop_arrays): Do not specify the value.
8822 * doc/passes.texi: Update documentation of loop optimizer
8824 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8825 -frerun-loop-opt): Remove.
8827 2006-02-26 Richard Guenther <rguenther@suse.de>
8829 PR tree-optimization/26421
8830 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8831 in function calls that are ADDR_EXPRs as using the whole structure.
8833 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8835 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8836 * tree-pass.h (pass_loop_optimize): Remove.
8837 * passes.c (pass_loop_optimize): Never run it.
8838 * toplev.c (backend_init): Don't call init_loop.
8839 * opts.c (flag_loop_optimize_set): Remove.
8840 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8841 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8842 the old RTL loop optimizer when profiling enabled.
8843 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8844 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8845 pre-headers for the sake of the old RTL loop optimizer.
8846 * Makefile.in: Remove all references to loop.o.
8848 * doc/invoke.texi: Remove all references to -floop-optimize
8849 and -frerun-loop-opt.
8851 2006-02-26 Zack Weinberg <zackw@panix.com>
8853 * doc/md.texi (Machine Constraints): Refer to all files with paths
8854 relative to gcc directory (i.e. config/CPU/file). Add missing
8855 @table @code ... @end table to M32C subsection.
8857 2006-02-26 Roger Sayle <roger@eyesopen.com>
8859 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8861 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8863 2006-02-26 Roger Sayle <roger@eyesopen.com>
8864 James A. Morrison <phython@gcc.gnu.org>
8867 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8868 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8869 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8870 signedness of the shift operation.
8872 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8874 PR tree-optimization/26359
8875 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8877 2006-02-25 Roger Sayle <roger@eyesopen.com>
8879 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8880 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8881 as X == 0, and some symmetry related transformations.
8882 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8884 2006-02-25 Roger Sayle <roger@eyesopen.com>
8887 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8888 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8889 symmetry related transformations. Fold (X^C1) == C2 as
8892 2006-02-25 Juergen Weigert <jw@suse.de>
8893 Richard Guenther <rguenther@suse.de>
8895 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8897 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8899 * combine.c (gen_lowpart_or_truncate): Call
8900 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8902 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8904 * doc/invoke.texi: Move -fopenmp description to "Options for
8906 Remove reference to -lgomp.
8908 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8910 * doc/install.texi: Require GNU tar version 1.14.
8912 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8914 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8915 * doc/invoke.texi (C++ Dialect Options): Document
8916 -fno-use-cxa-get-exception-ptr.
8917 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8918 * configure: Regenerate.
8919 * c.opt (fuse-cxa-get-exception-ptr): New.
8920 * c-opts.c (c_common_handle_option): Handle
8921 OPT_fuse_cxa_get_exception_ptr.
8922 * c-common.c (flag_use_cxa_atexit): Update documentation.
8923 (flag_use_cxa_get_exception_ptr): New.
8924 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8925 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8927 (C_COMMON_OVERRIDE_OPTIONS): New.
8929 2006-02-24 Roger Sayle <roger@eyesopen.com>
8932 * combine.c (try_combine): Explicitly check whether GET_CODE is
8933 a SET or a CLOBBER, instead on checking that it isn't a USE.
8935 2006-02-24 Roger Sayle <roger@eyesopen.com>
8937 * fold-const.c (fold_comparison): New subroutine of fold_binary
8938 containing transformations common to both the equality and
8939 ordering relational operators, factored out of fold_binary.
8940 (fold_binary): Separate out the equality operators (EQ_EXPR
8941 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8942 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8943 transformations common to both.
8944 (fold_div_compare): Fix latent bugs in the previously unreachable
8945 LT_EXPR and GE_EXPR cases.
8947 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8949 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8950 decl libname for clog to __clog on AIX.
8952 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8954 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8957 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8958 output traceback table for thunks. Localise rs6000_stack_info call.
8960 2006-02-23 Roger Sayle <roger@eyesopen.com>
8961 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8963 * gthr-posix.h (__gthrw): Fix typo in comment.
8965 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8967 * doc/cpp.texi (Character sets): Document that we do support
8968 input files to be in any character set.
8970 2006-02-23 Jeff Law <law@redhat.com>
8972 * tree.h (PHI_ARG_NONZERO): Remove.
8973 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8974 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8975 node to the new node.
8977 PR tree-optimization/26425
8978 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8979 min/max, then assume its varying.
8981 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8983 PR rtl-optimization/26316
8984 * rtlanal.c (enum may_trap_p_flags): New.
8985 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8986 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8987 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8988 (may_trap_after_code_motion_p): New function.
8989 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8990 (find_invariant_insn): Use may_trap_after_code_motion_p.
8991 * rtl.h (may_trap_after_code_motion_p): Declare.
8993 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8995 * emit-rtl.c (immed_double_const): Cleanup.
8997 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8999 Fix PR tree-optimization/26376
9000 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9003 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9006 * gimplify.c (omp_add_variable): Guard variable size decl test with
9007 DECL_SIZE (decl) check.
9009 2006-02-23 Richard Guenther <rguenther@suse.de>
9012 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9013 like aggregate types.
9015 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9017 * configure.ac: Add --with{,out}-long-double-128 configure option.
9018 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9019 * configure: Rebuilt.
9020 * config.in: Rebuilt.
9021 * doc/install.texi (Options specification): Document
9022 --with-long-double-128.
9024 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9025 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9026 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9027 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9029 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9031 * config/s390/s390.c (override_options): Handle
9032 TARGET_DEFAULT_LONG_DOUBLE_128.
9034 * config/alpha/alpha.c (override_options): Handle
9035 TARGET_DEFAULT_LONG_DOUBLE_128.
9037 * config/sparc/sparc.c (sparc_override_options): Handle
9038 TARGET_DEFAULT_LONG_DOUBLE_128.
9040 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9042 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9043 (real-install-headers-tar, real-install-headers-cpio)
9044 (real-install-headers-cp): New targets.
9046 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9048 * tree.h (variable_section): Delete.
9049 * varasm.c (variable_section): Delete.
9051 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9053 * install.texi: Add notes on install.texi2html.
9054 (Building in parallel): Do not use footnotes.
9056 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9059 * doc/install.texi (Configuration): Document --disable-libgomp.
9061 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9063 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9065 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9067 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9068 (vec_extractv2df_0_sse): New.
9070 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9072 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9073 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9074 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9075 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9076 to the result of the expression.
9077 (def_cfa_1): Adjust.
9078 (frame_pointer_cfa_offset): Rename to...
9079 (frame_pointer_fb_offset): ... this. Adjust all uses.
9080 (convert_cfa_to_loc_list): Rename to...
9081 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9082 Pass it on to build_cfa_loc.
9083 (compute_frame_pointer_to_cfa_displacement): Rename to...
9084 (compute_frame_pointer_to_fb_displacement): ... this. New
9085 offset parameter. Use it in computation.
9086 (gen_subprogram_die): Compute cfa_fb_offset with the new
9087 macro, and use it to compute the fb loc list and the
9090 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9092 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9093 replaced with register_operand.
9094 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9095 non-DREG is expensive.
9096 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9097 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9100 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9102 * doc/install.texi2html: Use set -e.
9104 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9106 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9107 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9108 * doc/invoke.texi (-fshared-data): Delete.
9109 * common.opt (fshared-data): Delete.
9110 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9111 (assemble_static_space): Remove #if 0 code.
9112 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9113 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9114 * config/cris/cris.h: Remove FIXME.
9116 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9118 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9121 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9124 * combine.c (simplify_shift_const_1): Disable nested shifts
9125 optimization for vector shifts.
9127 2006-02-20 Roger Sayle <roger@eyesopen.com>
9129 PR tree-optimization/26361
9130 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9131 of unsigned integer types.
9133 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9135 * tree-chrec.c (eq_evolutions_p): New.
9136 * tree-chrec.h (eq_evolutions_p): Declared.
9137 * tree-data-ref.c: Fix formatting.
9138 (datadep_stats, dependence_stats): New.
9140 (print_direction_vector): New.
9141 (dump_data_dependence_relation): Use print_direction_vector.
9142 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9143 (compute_subscript_distance): Static.
9144 (initialize_data_dependence_relation): Static. Get the number
9145 of loops surrounding the references from the callers, and initialize
9146 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9147 base_object_differ_p analyzers.
9148 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9149 compute_overlap_steps_for_affine_1_2,
9150 analyze_subscript_affine_affine): Count the classified dependences.
9151 Print a message when a test failed.
9152 (can_use_analyze_subscript_affine_affine): New.
9153 (analyze_siv_subscript): Compute the data dependences on symbolic
9154 scevs that verify can_use_analyze_subscript_affine_affine.
9155 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9156 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9157 Handle symbolic scevs.
9158 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9160 (subscript_dependence_tester): Moved...
9161 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9162 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9163 DDR_SIZE_VECT instead of getting it in parameter.
9164 (subscript_dependence_tester): ... here. Take as a parameter
9165 loop_nest_depth. Call build_classic_dist_vector and
9166 build_classic_dir_vector.
9167 (compute_affine_dependence): Update subscript_dependence_tester
9168 parameters. Update datadep_stats counters. Call
9169 compute_subscript_distance.
9170 (compute_self_dependence): Save the dist and dir vectors. Call
9171 compute_subscript_distance.
9172 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9173 (compute_all_dependences): Reorder parameters as they were before
9174 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9175 compute_subscript_distance. Update the use of
9176 compute_affine_dependence and initialize_data_dependence_relation.
9177 (find_data_references_in_loop): Handle COMPONENT_REF.
9178 (compute_data_dependences_for_loop): Initialize dependence_stats.
9179 Don't call build_classic_dist_vector and build_classic_dir_vector.
9180 Update the parameters of initialize_data_dependence_relation and
9181 compute_all_dependences. Print the statistics from datadep_stats.
9182 (analyze_all_data_dependences): Static. Not used until the pass for
9183 checking the data dependences is contributed.
9184 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9185 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9186 (initialize_data_dependence_relation, compute_affine_dependence,
9187 analyze_all_data_dependences, compute_subscript_distance): Removed.
9188 (print_direction_vector): New.
9189 * lambda.h (gcd): ... here.
9190 (lambda_vector_gcd): Moved here from gcd_vector.
9191 * lambda-code.c (gcd, gcd_vector): Removed.
9192 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9193 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9195 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9197 * ipa-type-escape.c: Tidy some comments and white space.
9198 * tree-ssa-operands.c: Likewise.
9200 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9203 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9204 (dump_decl_name): Do not walk the decl tree chains.
9205 * tree-pass.h (TDF_CHAIN): Remove.
9207 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9209 * Makefile.in (C): Remove
9211 (.PHONY): Remove C and PROTO
9213 2006-02-20 Roger Sayle <roger@eyesopen.com>
9216 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9217 deprecated CHAR_TYPE tree code.
9219 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9221 * configure.ac (target_list): Add install-info, dvi, html.
9222 * configure: Regenerate.
9224 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9225 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9226 treelang/Make-lang.in: Do not use double-colon rules.
9228 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9230 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9231 (TMT_USED_ALONE): New macro.
9232 * tree-pass.h (PROP_tmt_usage): New property.
9233 (TODO_update_tmt_usage): New todo.
9234 * tree-ssa-alias.c (updating_used_alone): New variable.
9235 (recalculate_used_alone): New function.
9236 (compute_may_aliases): Set updating_used_alone, call
9237 recalculate_used_alone.
9238 * tree-sra.c (pass_sra): Note that this pass destroys
9239 PROP_tmt_usage, and add TODO_update_tmt_usage.
9240 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9241 * tree-flow.h (updating_used_alone): Prototype.
9242 (recalculate_used_alone): Ditto.
9243 * passes.c (execute_todo): Add code to set updating_used_alone,
9244 and call recalculate.
9245 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9246 for clobber if used alone, and add assert to verify used_alone
9249 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9251 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9252 for non tls symbols added.
9253 (legitimize_address): Do nothing for PLUS expressions if one of the
9254 addends is a tls symbol reference.
9256 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9260 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9262 * Makefile.in (BOOTSTRAPPING): New.
9263 (quickstrap): New definition if BOOTSTRAPPING=yes.
9265 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9266 * configure.ac: Substitute all_selected_languages with the languages
9267 that were configured. For all the other variables except
9268 lang_specs_files, include all the languages in the tree.
9269 * configure: Regenerate.
9271 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9272 if there is one. Run the commands to run fixincludes in the same
9275 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9276 * doc/install.texi: Document exact conventions for searching target tools.
9277 Document --with-build-time-tools. Document toplevel bootstrap. Document
9278 something more about building an Ada cross-compiler. Don't list GNU Make
9279 requirements which affect all platforms.
9281 2006-02-19 Roger Sayle <roger@eyesopen.com>
9284 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9285 only equivalent if the have both the same mode and precision.
9287 2006-02-20 Ben Elliston <bje@au.ibm.com>
9289 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9291 2006-02-19 Roger Sayle <roger@eyesopen.com>
9292 Steven Bosscher <stevenb.gcc@gmail.com>
9294 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9295 constant pool references to identify stack mode constants.
9296 * rtlanal.c (constant_pool_constant_p): New predicate to check
9297 whether operand is a floating point constant in the pool.
9298 * rtl.h (constant_pool_constant_p): Prototype here.
9299 * loop.c (scan_loop): Avoid hoisting constants from the constant
9300 pool on STACK_REGS targets.
9301 (load_mems): Likewise.
9302 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9303 loads into x87 registers expensive in terms of register pressure.
9305 2006-02-19 Roger Sayle <roger@eyesopen.com>
9307 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9308 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9310 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9312 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9313 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9315 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9317 * doc/invoke.texi: Document -fipa-pta.
9318 * common.opt: Add ipa-pta option.
9319 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9320 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9321 (do_ds_constraint): Ditto.
9322 (get_constraint_for): Only add to referenced_vars if
9323 referenced_vars exists.
9324 (insert_into_field_list): Rewrite to do this unsorted.
9325 (insert_into_field_list_sorted): Rename old insert_into_field_list
9327 (create_function_info_for): Use insert_into_field_list_sorted.
9328 (create_variable_info_for): Rewrite so it uses unsorted version,
9329 since the field list is sorted.
9330 (intra_create_variable_infos): Only add to referenced_vars if
9331 referenced_vars exists.
9332 (ipa_pta_execute): Init heapvars, and delete when done.
9333 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9335 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9337 * doc/install.texi: Add missing `@samp'.
9339 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9341 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9344 2006-02-18 Mark Wielaard <mark@klomp.org>
9346 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9347 who added new 4.1 features, bug fixes and integration support.
9349 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9352 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9355 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9357 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9358 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9359 (copy_insn_1): Likewise. Don't copy each field individually.
9361 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9363 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9364 * rtl.c (rtx_size): Rename variable to...
9365 (rtx_code_size): ...this.
9366 (rtx_size): New function.
9367 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9368 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9370 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9371 * rtl.h (rtx_code_size): New variable.
9372 (rtx_size): Change from a variable to a function.
9373 (RTX_SIZE): Rename to...
9374 (RTX_CODE_SIZE): ...this.
9377 PR tree-optimization/17106
9378 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9379 (Anchored Addresses): New section.
9380 * doc/invoke.texi (-fsection-anchors): Document.
9381 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9382 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9383 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9384 * hooks.c (hook_bool_mode_rtx_false): New function.
9385 * hooks.h (hook_bool_mode_rtx_false): Declare.
9386 * gengtype.c (create_optional_field): New function.
9387 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9388 SYMBOL_REF_IN_BLOCK_P is true.
9389 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9390 (min_anchor_offset, max_anchor_offset): Likewise.
9391 (use_anchors_for_symbol_p): New hook.
9392 * toplev.c (compile_file): Call output_object_blocks.
9393 (target_supports_section_anchors_p): New function.
9394 (process_options): Check that -fsection-anchors is only used on
9395 targets that support it and when -funit-at-a-time is in effect.
9396 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9397 if the decl doesn't have one.
9398 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9399 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9400 of force_const_mem through use_anchored_address.
9401 (expand_expr_constant): New function.
9402 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9403 calling expand_expr for INDIRECT_REF.
9404 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9405 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9406 * expr.h (use_anchored_address): Declare.
9407 * loop-unroll.c: Don't declare rtx vectors here.
9408 * explow.c: Include output.h.
9409 (validize_mem): Call use_anchored_address.
9410 (use_anchored_address): New function.
9411 * common.opt (-fsection-anchors): New switch.
9412 * varasm.c (object_block_htab, anchor_labelno): New variables.
9413 (hash_section, object_block_entry_eq, object_block_entry_hash)
9414 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9415 (use_blocks_for_decl_p, change_symbol_section): New functions.
9416 (get_variable_section): New function, split out from assemble_variable.
9417 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9418 use_blocks_for_decl_p say so. Use change_symbol_section if the
9419 symbol has already been created.
9420 (assemble_variable_contents): New function, split out from...
9421 (assemble_variable): ...here. Don't output any code for
9422 block symbols; just pass them to place_block_symbol.
9423 Use get_variable_section and assemble_variable_contents.
9424 (get_constant_alignment, get_constant_section, get_constant_size): New
9425 functions, split from output_constant_def_contents.
9426 (build_constant_desc): Create a block symbol if use_object_blocks_p
9427 says so. Or into SYMBOL_REF_FLAGS.
9428 (assemble_constant_contents): New function, split from...
9429 (output_constant_def_contents): ...here. Don't output any code
9430 for block symbols; just pass them to place_section_symbol.
9431 Use get_constant_section and get_constant_alignment.
9432 (force_const_mem): Create a block symbol if use_object_blocks_p and
9433 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9434 (output_constant_pool_1): Add an explicit alignment argument.
9435 Don't switch sections here.
9436 (output_constant_pool): Adjust call to output_constant_pool_1.
9437 Switch sections here instead. Don't output anything for block symbols;
9438 just pass them to place_block_symbol.
9439 (init_varasm_once): Initialize object_block_htab.
9440 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9441 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9442 (place_block_symbol, get_section_anchor, output_object_block)
9443 (output_object_block_htab, output_object_blocks): New functions.
9444 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9445 (TARGET_ASM_OUT): Include it.
9446 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9447 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9448 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9449 (TARGET_INITIALIZER): Include them.
9450 * rtl.c (rtl_check_failed_block_symbol): New function.
9451 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9452 (block_symbol, object_block): New structures.
9453 (rtx_def): Add a block_symbol field to the union.
9454 (BLOCK_SYMBOL_CHECK): New macro.
9455 (rtl_check_failed_block_symbol): Declare.
9456 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9457 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9458 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9459 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9460 * output.h (output_section_symbols): Declare.
9461 (object_block): Name structure.
9462 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9463 (default_use_anchors_for_symbol_p): Declare.
9464 * Makefile.in (RTL_BASE_H): Add vec.h.
9465 (explow.o): Depend on output.h.
9466 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9467 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9468 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9469 (rs6000_use_blocks_for_constant_p): New function.
9471 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9473 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9475 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9478 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9481 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9483 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9487 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9490 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9491 instead of DECL_REGISTER.
9493 2006-02-18 Olivier Hainque <hainque@adacore.com>
9496 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9498 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9501 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9502 * opth-gen.awk: Handle Var and InverseMask together.
9503 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9504 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9505 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9506 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9508 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9509 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9510 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9511 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9512 LINUX_DYNAMIC_LINKER): Define.
9513 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9514 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9516 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9517 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9518 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9520 (TARGET_C99_FUNCTIONS): Don't define.
9521 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9522 GLIBC_DYNAMIC_LINKER.
9523 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9524 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9525 GLIBC_DYNAMIC_LINKER64): Define.
9526 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9527 LINUX_DYNAMIC_LINKER64.
9528 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9529 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9530 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9531 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9532 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9533 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9534 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9535 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9536 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9537 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9538 and LINUX_DYNAMIC_LINKER32.
9539 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9540 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9541 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9542 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9543 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9545 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9546 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9547 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9548 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9549 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9550 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9551 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9552 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9553 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9554 LINUX_DYNAMIC_LINKER): Define.
9555 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9556 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9557 GLIBC_DYNAMIC_LINKER64): Define.
9558 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9559 LINUX_DYNAMIC_LINKER64.
9560 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9561 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9562 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9563 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9564 LINUX_DYNAMIC_LINKER): Define.
9565 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9566 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9567 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9568 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9569 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9570 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9571 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9572 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9573 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9574 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9575 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9576 * doc/invoke.texi (-muclibc): Remove caveat about supported
9579 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9581 * doc/cpp.texi (__TIMESTAMP__): Document.
9583 2006-02-17 Roger Sayle <roger@eyesopen.com>
9586 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9587 C is one less than the width of X (and related transformations).
9588 * simplify-rtx.c (simplify_unary_operation_1): Transform
9589 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9590 depending on STORE_FLAG_VALUE, were C is one less then the
9593 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9595 Fix PR tree-optimization/26341
9596 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9597 about NAME_MEMORY_TAG's.
9599 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9602 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9603 with hardware float support, and software float support. Add fcpy
9604 alternative to hardware patterns. Add alternatives to copy between
9605 general and floating-point registers to the 32-bit pattern.
9606 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9607 secondary reload to load a QI or HI mode constant into a floating
9609 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9610 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9612 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9615 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9617 (load_macho_picbase_di): Likewise.
9619 2006-02-16 Jeff Law <law@redhat.com>
9621 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9622 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9623 (ssa_name_nonzero_p): Likewise.
9624 (get_value_range): Return NULL if VRP is not running.
9625 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9626 VRP routines do not discover a range.
9627 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9628 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9629 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9630 (tree_expr_nonnegative_p): Similarly.
9631 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9632 (restore_nonzero_vars_to_original_value): Remove.
9633 (unsafe_associative_fp_binop): Remove.
9634 (tree_ssa_dominator_optimize): Remove initialization and
9635 finalization of nonzero_vars and nonzero_vars_stack.
9636 (dom_opt_initialize_block): No longer push marker on
9638 (dom_opt_finalize_block): No longer call
9639 restore_nonzero_vars_to_original_value.
9640 (record_equivalences_from_phis): No longer look for
9641 nonzero PHI arguments.
9642 (cprop_into_successor_phis): No longer propagate nonzero
9643 property into PHI arguments. Lose unused argument. Caller
9645 (record_equivalences_from_stmt): No longer record nonzero
9646 values for SSA_NAMEs.
9647 (lookup_avail_expr): No longer use nonzero_vars.
9649 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9650 for sizetype when sizetype is unsigned.
9652 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9654 PR rtl-optimization/25603
9655 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9656 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9657 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9658 with new meaning of SETS.
9660 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9665 * config/linux.opt: New file.
9666 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9667 LINUX_DYNAMIC_LINKER): Define.
9668 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9669 * config.gcc (*-*-linux*): Define extra_options.
9670 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9671 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9672 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9673 GLIBC_DYNAMIC_LINKER.
9674 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9675 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9676 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9677 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9678 * doc/invoke.texi (GNU/Linux Options): New section.
9680 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9682 * config/sparc/sparc.md (setjmp): Rewrite.
9683 (setjmp_32): Delete.
9684 (setjmp_64): Likewise.
9686 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9688 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9691 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9693 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9696 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9698 PR rtl-optimization/26296
9699 * Makefile.in (loop-invariant.c): Add except.h dependency.
9700 * loop-invariant.c: Include except.h.
9701 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9703 2005-02-16 Paul Brook <paul@codesourcery.com>
9705 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9708 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9710 PR rtl-optimization/25636
9711 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9712 when deciding whether an insn is an initializing insn.
9714 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9716 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9717 (tree_code_size): Ditto.
9718 * tree.h (struct tree_memory_tag): Remove parent_var.
9719 (struct tree_struct_field_tag): New.
9722 (union tree_node): Add sft member.
9723 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9725 (create_sft): Add size and offset argument, set SFT_OFFSET and
9727 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9728 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9729 * tree-flow-inline.h (get_subvar_at): Update for
9730 SFT_OFFSET/SFT_SIZE.
9731 (var_can_have_subvars): Ditto.
9732 (overlap_subvar): Ditto.
9733 * print-tree.c (print_node): Print out interesting things for
9735 * tree-flow.h (struct subvar): Remove offset and size members.
9736 * tree-ssa-operands.c (get_expr_operands): Update for
9737 get_indirect_ref_operands changes.
9738 (get_indirect_ref_operands): Call add_virtual_operand instead of
9739 add_stmt_operand. Only recurse on base var if requested.
9740 (access_can_touch_variable): New function.
9741 (add_stmt_operand): Split virtual operand handling into ...
9742 (add_virtual_operand): Here. Add offset, size, and for_clobber
9743 arguments. Prune alias sets.
9744 (add_call_clobber_ops): Call add_virtual_operand.
9746 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9749 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9751 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9752 than TREE_CODE as index into omp_clause_num_ops array.
9754 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9756 PR rtl-optimization/26184
9757 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9759 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9760 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9761 must_precede, must_follow and tobe_scheduled.
9764 * opts.c (common_handle_option): Free new_option pointer.
9765 * df-core.c (df_analyze): Free postorder pointer.
9767 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9769 * Makefile.in: Fix the examples about the use of stamps
9771 2006-02-15 Michael Matz <matz@suse.de>
9775 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9776 influenced by maximum_field_alignment or DECL_PACKED.
9777 (update_alignment_for_field): Ditto.
9778 (place_field): Ditto.
9779 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9782 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9784 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9785 (debug_flow_info): Pass it.
9786 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9787 * bb-reorder.c (reorder_basic_blocks): Likewise.
9788 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9789 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9790 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9791 * gcse.c (gcse_main, bypass_jumps): Likewise.
9792 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9793 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9794 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9795 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9796 * rtl.h (dump_flow_info): Adjust prototype.
9797 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9798 * var-tracking.c (variable_tracking_main): Likewise.
9799 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9800 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9803 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9805 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9808 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9810 PR tree-optimization/26209
9811 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9812 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9814 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9816 2006-02-14 Roger Sayle <roger@eyesopen.com>
9819 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9820 (X,Y) and the corresponding symmetry related transformations.
9821 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9822 (X,Y) and its symmetry related transformations.
9824 2006-02-14 Roger Sayle <roger@eyesopen.com>
9826 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9829 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9831 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9833 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9836 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9837 support COMDAT group.
9838 * configure: Regenerate.
9840 2006-02-14 Roger Sayle <roger@eyesopen.com>
9845 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9847 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9849 Fix PR tree-optimization/26260
9851 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9853 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9854 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9855 * tree-ssa-structalias.c (create_variable_info_for): Use
9856 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9858 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9860 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9862 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9863 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9864 of the ending condition.
9865 * tree-ssa-loop-manip.c: Include params.h.
9866 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9867 tree_unroll_loop): New functions.
9868 * tree-pass.h (pass_loop_prefetch): Declare.
9869 * loop.c (rest_of_handle_loop_optimize): Test for
9870 -fprefetch-loop-arrays-rtl.
9871 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9872 * timevar.def (TV_TREE_PREFETCH): New timevar.
9873 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9874 pass_loop_prefetch): New.
9875 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9876 (cleanup_tree_cfg_loop): Call scev_reset.
9877 * common.opt (fprefetch-loop-arrays-rtl): Add.
9878 * tree-ssa-loop-prefetch.c: New file.
9879 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9880 (new_temp_expr_table): Initialize expr_vars.
9881 (free_temp_expr_table): Cleanup expr_vars.
9882 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9883 expressions from being merged into one.
9884 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9885 (struct tree_niter_desc): Add control, bound and cmp fields.
9886 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9888 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9889 (tree-cfgcleanup.o): Add SCEV_H dependency.
9890 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9891 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9893 2006-02-14 Richard Guenther <rguenther@suse.de>
9895 PR tree-optimization/26258
9896 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9897 in PHI argument processing.
9899 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9901 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9902 new expression in the requested machine mode.
9904 2006-02-13 Roger Sayle <roger@eyesopen.com>
9906 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9907 directly, instead let do_compare_rtx_and_jump handle this for us.
9908 * expr.c (expand_expr_real_1): Likewise.
9909 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9910 before do_jump_by_parts_greater.
9911 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9912 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9914 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9916 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9918 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9920 PR rtl-optimization/26235
9921 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9922 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9925 2006-02-13 Jeff Law <law@redhat.com>
9927 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9930 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9933 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9934 twice if decl is a builtin. When trying again, call get_callee_fndecl
9935 first to verify it is still a builtin.
9937 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9939 * dwarf2out.c (base_type_die): Don't add AT_name here.
9940 (subrange_type_die): Don't add AT_name here.
9941 (modified_type_die): Rearrange code flow. Do add AT_name here.
9943 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9945 PR rtl-optimization/26247
9946 PR rtl-optimization/26248
9947 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9949 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9951 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9952 * config/fixtfdi.c: Likewise.
9953 * config/fixunstfdi.c: Likewise.
9954 * config/floatditf.c: Likewise.
9956 2006-02-13 Roger Sayle <roger@eyesopen.com>
9959 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9960 into (X,C2) if C1 is a subset of the bits of C2. Transform
9961 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9963 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9965 2006-02-13 Josh Conner <jconner@apple.com>
9968 * varasm.c (function_section): Check for section name before
9969 calling select_section on targets that define
9970 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9971 unlikely_text_section instead of hot_function_section if
9972 first_function_block_is_cold.
9974 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9977 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9979 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9981 PR rtl-optimization/26222
9982 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9983 after tree->rtl expansion.
9984 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9985 before passing it to emit_move_insn.
9987 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9989 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9991 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9992 Clarify documentation.
9993 * c-common.h (warn_write_strings): Remove.
9994 * c-common.c (warn_write_strings): Likewise.
9995 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9998 2006-02-12 Roger Sayle <roger@eyesopen.com>
10000 PR middle-end/25724
10001 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10002 (do_jump_parts_zero_rtx): New function renamed from
10003 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10004 (do_jump_parts_equality_rtx): New function split out from
10005 do_jump_parts_equality. Old implementation renamed as above.
10006 Call do_jump_parts_zero_rtx if either operand is zero.
10007 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10008 do all of the heavy lifting.
10009 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10010 calling either do_jump_by_parts_greater_rtx or
10011 do_jump_by_parts_equality_rtx.
10012 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10013 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10014 moved to do_compare_rtx_and_jump, call it directly.
10015 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10016 mode argument. Call do_compare_rtx_and_jump.
10017 (emit_case_nodes): Update calls to do_jump_if_equal.
10019 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10021 PR rtl-optimization/26225
10022 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10024 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10026 PR rtl-optimization/26232
10027 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10029 2006-02-11 Jason Merrill <jason@redhat.com>
10032 * tree-inline.c (declare_return_variable): Just don't use the
10033 modify target if it's a gimple complex reg and the return slot
10036 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10038 * doc/contrib.texi: Update my entry.
10040 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10042 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10044 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10046 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10049 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10051 * doc/invoke.texi (-floop-optimize2): Removed.
10052 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10053 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10054 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10055 * common.opt (floop-optimize2): Removed.
10056 (fmove-loop-invariants): Enabled by default.
10058 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10060 * tree-if-conv.c (combine_blocks): Free the result of
10061 get_loop_exit_edges.
10063 2006-02-10 Jeff Law <law@redhat.com>
10065 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10067 PR tree-optimization/26213
10068 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10069 loop trying to follow SSA_NAME_VALUE chains.
10071 2006-02-10 Richard Guenther <rguenther@suse.de>
10073 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10074 deal with structures that end in implicitly variable sized arrays.
10076 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10078 PR rtl-optimization/24762
10079 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10082 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10084 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10085 (struct ivopts_data): Add regs_used field.
10086 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10087 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10088 instead of loop_data->regs_used;
10089 (free_loop_data): Do not free aux fields for loops.
10090 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10091 and tree_ssa_iv_optimize_finalize.
10093 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10095 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10097 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10100 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10101 computing the effective result type.
10103 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10105 PR inline-asm/16194
10106 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10107 (tree_overlaps_hard_reg_set): Declare.
10108 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10109 type and signature to match function type expected by walk_tree.
10110 (tree_overlaps_hard_reg_set): New function.
10111 (decl_conflicts_with_clobbers_p): Rename to:
10112 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10113 Use tree_overlaps_hard_reg_set. Changed caller.
10114 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10115 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10116 * cris.c (cris_md_asm_clobbers): Likewise.
10118 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10120 * reload1.c (emit_input_reload_insns): Delete code that tries to
10121 inherit using find_equiv_reg.
10123 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10125 * c-common.h (flag_const_strings): Don't declare.
10126 * c-common.c (flag_const_strings): Remove.
10127 * c.opt (fconst_strings): Remove.
10128 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10129 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10130 (c_common_init_options): Don't set flag_const_strings.
10131 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10133 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10135 * arm.md (tlobits_cbranch): New pattern.
10136 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10137 testing a single bit.
10139 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10142 * tree-ssa-pre.c (create_component_ref_by_pieces):
10143 Handle RETURN_DECL like VAR_DECL.
10145 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10147 PR middle-end/26134
10148 * fold-const.c (fold_indirect_ref_1): Fold
10149 "*(foo *)&complexfoo" to "__real__ complexfoo"
10150 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10152 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10154 * tree-flow-inline.h (var_can_have_subvars):
10155 Volatile variables should not have subvariables.
10157 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10160 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10161 multiplying unsigned values.
10164 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10166 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10168 2006-02-08 Jason Merrill <jason@redhat.com>
10171 * tree.def: Elaborate on difference from MODIFY_EXPR.
10172 * doc/c-tree.texi (INIT_EXPR): Likewise.
10173 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10174 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10175 (gimplify_target_expr): Likewise.
10176 (gimplify_cond_expr): Remove target handling.
10177 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10178 (gimplify_expr): Clobber it here.
10179 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10180 Do return slot optimization if we have an INIT_EXPR.
10183 * tree-inline.c (declare_return_variable): Also clear
10184 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10187 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10189 PR middle-end/22439
10190 * gimplify.c (gimplify_one_sizepos): Fix typo.
10192 2006-02-08 Jeff Law <law@redhat.com>
10194 PR tree-optimization/21417
10195 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10196 across a backedge if the control statement at the end of the
10197 block is data dependent on other statements in the same block.
10198 (record_temporary_equivalences_from_stmts): Remove over-conservative
10199 test for threading across backedges.
10201 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10202 control statement, handle all three special cases in the same
10203 manner as they all have the same desired solution. No longer
10204 special case edge flag updating when the post dominator is
10207 2006-02-08 Roger Sayle <roger@eyesopen.com>
10209 * tree.def (CHAR_TYPE): Remove.
10210 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10211 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10212 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10213 (gen_string_type_die): Delete unreachable function.
10215 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10216 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10217 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10218 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10219 * builtins.c (type_to_class): Likewise.
10220 * fold-const.c (fold_convert, build_range_check,
10221 merge_ranges): Likewise.
10222 * expr.c (count_type_elements): Likewise.
10223 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10224 * stor-layout.c (layout_type): Likewise.
10225 * ipa-type-escape.c (type_to_consider): Likewise.
10226 * gimplify.c (omp_firstprivatize_type_sizes,
10227 gimplify_type_sizes): Likewise.
10228 * explow.c (promote_mode): Likewise.
10229 * tree-sra.c (is_sra_scalar_type): Likewise.
10230 * varasm.c (output_constant): Likewise.
10231 * tree-inline.c (remap_type_1): Likewise.
10232 * convert.c (convert_to_pointer, convert_to_real,
10233 convert_to_integer, convert_to_complex): Likewise.
10235 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10237 * df-scan.c (df_def_record_1): A set destination may
10238 be a parallel regardless of mode.
10240 2006-02-08 Roger Sayle <roger@eyesopen.com>
10243 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10244 * config/mips/_tilib.c: Remove.
10245 * config/fixtfdi.c: New libgcc source file.
10246 * config/fixunstfdi.c: New source file.
10247 * config/floatditf.c: New source file.
10248 * config/floatunditf.c: New souce file.
10249 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10250 files above instead of config/mips/_tilib.c.
10251 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10253 2006-02-08 Jeff Law <law@redhat.com>
10255 PR tree-optimization/26169
10256 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10259 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10261 * df.h (DF_REG_SIZE): Return the length of the initialized
10264 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10266 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10267 __muldf3): Return a correctly signed zero.
10269 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10271 * passes.c (register_one_dump_file): Accept the current properties
10272 instead of pass number. Adjust call to dump_register. Remove
10274 (register_dump_files): Now a wrapper around...
10275 (register_dump_files_1): ... this one. Do not modify the pass
10277 (next_pass_1): Cosmetic fix.
10278 (execute_todo): Keep second parameter only. Use curr_properties
10279 instead of fetching it from the pass structure. Check and set
10281 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10282 instead of fetching it from the pass structure. Fix calls to
10283 execute_todo. Update curr_properties and initialize .vcg RTL dump
10284 after running the pass. Reset last_verified.
10285 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10287 (FIRST_AUTO_NUMBERED_DUMP): New.
10288 (dump_register): Remove "num" parameter, assign it within the
10290 (get_dump_file_name): Modify template for dumps.
10291 * tree-dump.h (dump_register): Adjust prototype.
10292 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10293 (PROP_trees): Add PROP_gimple_lomp.
10294 (TODO_set_props): New.
10295 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10296 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10297 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10299 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10301 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10302 (sparc64-*-linux*): Likewise.
10303 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10304 * config/sparc/t-linux: New file.
10305 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10306 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10307 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10308 -m32 -mlong-double-128.
10310 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10311 * config/alpha/t-linux: New file.
10312 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10314 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10315 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10316 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10317 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10318 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10319 (CPP_ARCH32_SPEC): Remove.
10321 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10323 PR tree-optimization/26145
10324 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10327 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10330 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10331 >= 240000 when generating code for SOM runtime.
10332 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10333 to $$dyncall when generating code for SOM runtime..
10335 2006-02-07 Dirk Mueller <dmueller@suse.com>
10338 * doc/invoke.texi (-Wsequence-point): Update documentation
10339 that -Wsequence-point is implemented for C++ as well.
10341 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10343 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10344 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10345 (LIB_SPEC): Likewise.
10346 * doc/invoke.texi (SPARC options): Document -pthread.
10348 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10350 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10353 2006-02-07 Roger Sayle <roger@eyesopen.com>
10355 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10356 Correct comment describing BOOLEAN_TYPE.
10358 2006-02-07 Dirk Mueller <dmueller@suse.com>
10360 * c.opt: C++ frontend supports -Wdiv-by-zero.
10361 * c-opts.c (c_common_handle_option): Remove dead case.
10363 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10365 * configure.ac (TLS assembler check): Do not enable TLS by
10366 default on SPARC/Solaris before version 10.
10367 * configure: Regenerate.
10369 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10371 * doc/invoke.texi (xl-compat): Document conversion and support
10374 2006-02-07 Jeff Law <law@redhat.com>
10376 * tree-vrp.c (find_conditional_asserts): Update comments.
10377 (simplify_stmt_for_jump_threading): New.
10378 (identify_jump_threads, finalize_jump_threads): New.
10379 (vrp_finalize): Call identify_jump_threads.
10380 (execute_vrp): Call finalize_jump_threads.
10381 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10382 (vrp_element, vrp_data, vrp_element_p): Remove.
10383 (vrp_hash_elt, vrp_variables_stack): Remove.
10384 (vrp_hash, vrp_eq, record_range): Remove.
10385 (simplify_cond_and_lookup_avail_expr): Remove.
10386 (extract_range_from_cond): Remove.
10387 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10388 (simplify_stmt_for_jump_threading): New.
10389 (dom_thread_across_edge): New wrapper.
10390 (tree_ssa_dominator_optimize): No longer initialize or
10391 finalize any of the VRP datastructures. Remove iteration
10392 step and simplify as a result of removal of iteration step.
10393 (pass_dominator): Perform a cfg cleanup after DOM.
10394 (dom_opt_finalize_block): Use the new common routines
10395 for threading jumps. Simplify stack management slightly.
10396 No longer need to unwind VRP state.
10397 (record_equivalences_from_incoming_edge): No longer record
10399 (eliminate_redundant_computations): No longer call
10400 simplify_cond_and_lookup_avail_expr.
10401 * tree-flow.h (potentially_threadable_block): Prototype.
10402 (thread_across_edge): Likewise.
10403 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10404 (tree-ssa-threadedge.o): Add dependencies.
10405 * tree-ssa-threadedge.c: New file.
10406 * passes.c (init_optimization_passes): Merge PHIs before
10407 calling VRP. Run VRP again late in the SSA optimization pipeline.
10409 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10411 * df-core.c (df_set_blocks): Do not dereference function pointers.
10412 (df_finish1): Likewise.
10413 (df_hybrid_search_forward): Likewise.
10414 (df_hybrid_search_backward): Likewise.
10415 (df_iterative_dataflow): Likewise.
10416 (df_analyze_problem): Likewise.
10417 (df_compact_blocks): Likewise.
10418 (df_dump): Likewise.
10419 * df-scan.c (df_rescan_blocks): Likewise.
10420 (df_record_entry_block_defs): Likewise.
10422 * genconditions.c (write_conditions): Guard the definition of
10423 'insn_conditions' with the check on GCC version.
10424 (write_writer): Guard the traversal 'insn_conditions' with
10425 the check on GCC version.
10427 2006-02-07 Richard Guenther <rguenther@suse.de>
10431 2006-01-30 Richard Guenther <rguenther@suse.de>
10433 * gimplify.c (gimplify_target_expr): Handle easy cases
10434 without creating a temporary.
10436 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10438 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10439 use of float in probability computations. Use edge probabilities
10440 in place of statically computed probabilities.
10441 (min_spec_prob): New static variable.
10442 (schedule_insns): Initialize it.
10443 (GET_SRC_PROB): Removed.
10444 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10446 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10449 * config/ia64/unwind-ia64.c: Revert last change.
10450 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10451 (INCOMING_FRAME_SP_OFFSET): Define.
10453 2006-02-06 Roger Sayle <roger@eyesopen.com>
10455 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10457 2006-02-07 Ben Elliston <bje@au.ibm.com>
10459 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10460 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10461 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10462 (ix86_return_in_memory): Handle TDmode.
10463 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10464 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10466 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10468 * reorg.c (dbr_schedule): Use dump_file instead of file.
10470 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10473 * config/ia64/predicates.md (extr_len_operand): New predicate.
10474 * config/ia64/ia64.md (extv): Tighten constraints.
10476 (*tbit_and_2): Ditto.
10477 (*tbit_and_3): Ditto.
10478 (*tbit_or_2): Ditto.
10479 (*tbit_or_3): Ditto.
10480 (*bit_zero): Ditto.
10483 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10486 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10488 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10490 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10491 loop_optimizer_init and loop_optimizer_finalize
10492 * tree-ssa-sink.c (execute_sink_code): Ditto.
10493 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10494 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10495 tree_ssa_loop_done): Ditto.
10496 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10497 * sched-ebb.c: Include output.h.
10498 (schedule_ebbs): Do not use dump argument.
10499 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10500 * loop.c (loop_dump_stream): Removed.
10501 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10503 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10504 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10505 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10506 loop_iterations, strength_reduce, record_biv, record_giv,
10507 final_giv_value, check_final_value, check_ext_dependent_givs,
10508 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10509 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10510 dump_file instead of loop_dump_stream.
10511 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10512 argument dump_file.
10513 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10515 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10516 * haifa-sched.c: Include output.h
10517 (schedule_insns, sched_init): Do not use dump argument.
10518 * mode-switching.c (optimize_mode_switching): Ditto.
10519 * modulo-sched.c (stats_file): Removed.
10520 (print_node_sched_params): Do not call argument dump_file.
10521 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10522 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10524 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10526 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10527 rtl_loop_init, rtl_loop_done): Ditto.
10528 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10529 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10531 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10532 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10533 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10534 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10535 * emit-rtl.c (renumber_insns): Ditto.
10536 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10537 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10538 * regclass.c (regclass): Ditto.
10539 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10540 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10541 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10542 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10544 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10545 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10547 * gcse.c (gcse_file, debug_stderr): Removed.
10548 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10549 rest_of_handle_gcse): Do not use dump argument.
10550 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10551 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10552 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10553 compute_code_hoist_vbeinout, compute_code_hoist_data,
10554 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10555 compute_store_table, build_store_vectors, insert_insn_start_bb,
10556 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10557 store_motion): Use dump_file instead of gcse_file.
10558 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10559 * profile.c (profile_dump_file): Removed.
10560 (branch_prob): Use dump_file instead of profile_dump_file.
10561 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10563 * tree-ssa-copy.c (dump_copy_of): Ditto.
10564 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10565 dump file to life_analysis.
10566 * bt-load.c (branch_target_load_optimize): Ditto.
10567 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10569 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10570 regclass, dbr_schedule): Declaration changed.
10571 * sched-int.h (sched_init): Declaration changed.
10572 * tree-profile.c (tree_profile_dump_file): Removed.
10573 (tree_profile_hooks): Removed profile_dump_file hook.
10574 * rtl-profile (rtl_profile_dump_file): Removed.
10575 (rtl_profile_hooks): emoved profile_dump_file hook.
10576 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10578 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10579 * tree-cfg.c (build_tree_cfg): Ditto.
10580 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10581 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10582 Declaration changed.
10583 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10584 life_analysis and schedule_insns.
10585 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10587 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10589 * config/mips/mips.c (mips_reorg): Ditto.
10590 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10593 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10595 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10596 (s390_mangle_fundamental_type): New.
10597 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10600 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10601 (alpha_mangle_fundamental_type): New.
10602 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10605 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10607 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10609 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10610 (sparc_mangle_fundamental_type): New.
10612 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10614 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10615 (s390x-*-linux*): Likewise.
10616 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10617 * config/s390/t-linux: New file.
10619 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10621 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10622 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10624 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10626 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10627 (ANTIC_SAFE_LOADS): New macro.
10628 (find_or_generate_expression): Add prototype.
10629 (set_contains_value): Allow null set for sake of not always having
10630 to allocate ANTIC_SAFE_LOADS.
10631 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10632 Allow COMPONENT_REF too.
10633 (valid_in_set): Allow COMPONENT_REF.
10634 Check ANTIC_SAFE_LOADS too.
10635 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10636 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10638 (can_PRE_operation): Add COMPONENT_REF.
10639 (create_component_ref_by_pieces): New function.
10640 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10641 (insert_aux): Move AGGREGATE_TYPE_P check here.
10642 (compute_avail): Set bb local stmt uids.
10643 (pass_pre): Use TODO_update_ssa_only_virtuals.
10645 2006-02-06 Ben Elliston <bje@au.ibm.com>
10647 * configure.ac: Unconditionally disable decimal float by default.
10648 * configure: Regenerate.
10650 2006-02-06 Ben Elliston <bje@au.ibm.com>
10652 * read-rtl.c (read_name): Terminate reading on EOF.
10654 2006-02-06 Ben Elliston <bje@au.ibm.com>
10656 * dfp.c (decimal_real_arithmetic): Change second argument type
10657 from int to enum tree_code. Do not always return true, but now
10658 return result of any call to decimal_do helper functions.
10659 * dfp.h (decimal_real_arithmetic): Update prototype.
10661 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10663 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10665 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10668 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10671 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10673 * tree-vrp.c (cfg_loops): Removed.
10674 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10675 Use current_loops instead of cfg_loops. Pass flags to
10676 loop_optimizer_init.
10677 * cfgloopmanip.c (fix_loop_structure): Update only available
10679 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10680 loop_optimizer_init.
10681 * modulo-sched.c (build_loops_structure): Removed.
10682 (sms_schedule): Use loop_optimizer_init.
10683 * loop-init.c (loop_optimizer_init): Use flags to determine
10684 which properties of loops to prepare.
10685 (rtl_loop_init): Pass flags to loop_optimizer_init.
10686 * tree-ssa-sink.c (execute_sink_code): Ditto.
10687 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10688 * tree-ssa-pre.c (init_pre): Ditto.
10689 * cfgloop.h (LOOPS_NORMAL): New.
10690 (loop_optimizer_init): Declaration changed.
10692 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10694 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10695 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10697 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10699 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10701 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10702 * pa/t-pa64: Delete quadlib.c rule.
10703 * pa/x-ada: Revert last change.
10704 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10706 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10708 PR rtl-optimization/26087
10709 * rtlanal.c (canonicalize_condition): Do not cross basic block
10712 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10715 * config/ia64/ia64.c: Include debug.h.
10716 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10717 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10718 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10719 (process_epilogue, process_set, process_for_unwind_directive):
10720 Output unwind info only if requested. Add CFA info if requested.
10721 Add new arguments as needed. Adjust callers.
10722 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10724 (DWARF2_FRAME_INFO): Define to zero.
10725 * config/ia64/unwind-ia64.c: Remove code that compensated for
10726 the CFA offset error fixed above.
10727 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10728 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10729 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10730 -funwind-tables and -fexceptions to enable frame info.
10731 (dwarf2out_frame_init): Define initial CFA even if
10732 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10733 DWARF2_UNWIND_INFO is nonzero, not just defined.
10734 (dwarf2out_frame_finish): Output non-EH call frame info only
10735 if DWARF2_FRAME_INFO is nonzero.
10736 (convert_cfa_to_loc_list,
10737 compute_frame_pointer_to_cfa_displacement): Define even if
10738 unwind info is not supported.
10739 (gen_subprogram_die): Use the above unconditionally. Remove
10740 legacy alternate code.
10741 * toplev.c (compile_file): Compile in call to
10742 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10743 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10745 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10746 Jakub Jelinek <jakub@redhat.com>
10748 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10749 IBM extended float format long double as "g" on powerpc*-linux.
10751 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10754 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10755 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10757 2006-02-03 Jason Merrill <jason@redhat.com>
10760 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10762 PR middle-end/25977
10763 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10764 on the return slot if it's an NRV.
10766 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10768 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10769 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10770 rewrite_use): Do not handle USE_OUTER.
10771 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10772 add_iv_outer_candidates, may_replace_final_value,
10773 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10774 (find_interesting_uses_op): Functionality of
10775 find_interesting_uses_outer_or_nonlin moved here.
10776 (find_interesting_uses_outside): Use find_interesting_uses_op.
10778 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10781 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10783 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10784 Ulrich Weigand <uweigand@de.ibm.com>
10787 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10788 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10789 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10790 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10792 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10793 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10794 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10795 Define secondary reloads for TFmode moves.
10796 (constant_modes): Add TFmode.
10797 (NR_C_MODES): Set to 8.
10798 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10800 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10801 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10802 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10803 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10804 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10805 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10806 (FPR mode macro): Add TFmode.
10807 (DSF mode macro): New.
10808 (<de>, <dee> mode attributes): Removed.
10809 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10810 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10811 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10812 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10813 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10814 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10815 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10816 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10817 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10818 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10819 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10820 "*negabs<mode>2", "sqrt<mode>2"):
10821 Changed <de> to <xde>. R constraint replaced by <Rf>.
10822 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10824 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10825 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10826 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10828 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10829 "extenddftf2", "extendsftf2"): New expanders.
10830 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10831 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10832 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10833 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10835 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10836 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10837 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10838 __floatditf): Add a GCC_4.1.0 symbol version tag.
10839 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10842 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10845 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10846 Use targetm.binds_local_p instead of TREE_PUBLIC.
10848 2006-02-02 Roger Sayle <roger@eyesopen.com>
10850 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10851 on INTEGER_TYPEs to indicate that it denotes a character type.
10852 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10853 signed_char_type_node, unsigned_char_type_node and char_type_node.
10854 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10855 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10856 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10858 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10859 Daniel Berlin <dberlin@dberlin.org>
10861 * tree-tailcall.c (arg_needs_copy_p): New function.
10862 (eliminate_tail_call): Use arg_needs_copy_p.
10863 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10864 (add_virtual_phis): New function.
10866 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10868 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10869 #ignore instead of #scratch for %g7 .register directive.
10871 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10873 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10876 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10878 * flow.c (calculate_global_regs_live): Assert that there aren't any
10881 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10883 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10884 what its name says.
10885 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10886 bsi_after_labels iterator.
10887 * tree-if-conv.c (find_phi_replacement_condition,
10888 replace_phi_with_cond_modify_expr): Likewise.
10889 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10890 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10892 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10894 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10896 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10899 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10900 array after growing it.
10902 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10904 PR middle-end/24901
10905 * fold-const.c (fold_checksum_tree): Change type of buf.
10907 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10909 * reload.c (push_secondary_reload): Initialize t_icode.
10911 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10913 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10914 -msoft-float -mlong-double-128 only issue a warning, but don't
10915 swich to DFmode long double.
10917 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10919 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10920 has a constant equivalent, iterate over equivalents for arg0,
10921 calling simplify_relational_operation and if there's a result
10922 cheaper than X, apply fold_rtx and return the result.
10924 2006-02-01 Jan Hubicka <jh@suse.cz>
10926 * opts.c (no_unit_at_a_time_default): New global variable.
10927 (decode_options): Use it.
10928 * opts.h (no_unit_at_a_time_default): Declare.
10930 2006-02-01 Paul Brook <paul@codesourcery.com>
10932 * function.c (assign_parm_setup_reg): Use function argument promotion
10934 * expr.c (expand_expr_real_1): Use function argument promotion rules
10937 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10939 * gcc.c (process_command): Change j to 'unsigned int'.
10941 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10943 PR middle-end/26001
10944 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10945 Use the corrected index for the character
10946 out of the string constant.
10948 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10950 * mode-switching.c (optimize_mode_switching): Fix size
10951 allocated for bb_info[n_entities].
10953 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10955 * gcc.c (main): Correct type that is allocated for
10956 explicit_link_files.
10958 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10960 * config/s390/s390.c (init_alignment_context): Set
10961 ALIAS_SET_MEMORY_BARRIER on the MEM.
10962 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10964 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10966 PR middle-end/25933
10967 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10969 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10972 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10974 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10975 * regrename.c: Ditto.
10976 * tree-ssa-loop-im.c: Ditto.
10977 * tree-dump.c: Ditto.
10978 * tree-complex.c: Ditto.
10979 * genrecog.c: Ditto.
10980 * tree-ssa-threadupdate.c: Ditto.
10982 * java/class.c: Ditto.
10983 * java/jcf-parse.c: Ditto.
10984 * java/resource.c: Ditto.
10985 * java/except.c: Ditto.
10986 * java/jvspec.c: Ditto.
10987 * java/jcf-write.c: Ditto.
10988 * java/jcf-path.c: Ditto.
10989 * java/gjavah.c: Ditto.
10990 * java/zextract.c: Ditto.
10991 * java/jcf-io.c: Ditto.
10992 * java/jcf.h: Ditto.
10993 * java/buffer.c: Ditto.
10994 * java/lang.c: Ditto.
10995 * java/parse-scan.y: Ditto.
10996 * java/lex.c: Ditto.
10997 * java/lex.h: Ditto.
10998 * cfgloopmanip.c: Ditto.
10999 * postreload-gcse.c: Ditto.
11000 * tree-ssa-loop-manip.c: Ditto.
11001 * postreload.c: Ditto.
11002 * tree-ssa-loop-ch.c: Ditto.
11005 * cppspec.c: Ditto.
11006 * diagnostic.c: Ditto.
11008 * genoutput.c: Ditto.
11010 * cfghooks.c: Ditto.
11011 * cfgloopanal.c: Ditto.
11012 * objc/objc-act.c: Ditto.
11014 * genextract.c: Ditto.
11015 * genautomata.c: Ditto.
11016 * pretty-print.c: Ditto.
11017 * genemit.c: Ditto.
11018 * cgraphunit.c: Ditto.
11020 * df-scan.c: Ditto.
11021 * haifa-sched.c: Ditto.
11022 * dominance.c: Ditto.
11024 * tree-ssa-loop-ivopts.c: Ditto.
11025 * df-core.c: Ditto.
11026 * mode-switching.c: Ditto.
11027 * modulo-sched.c: Ditto.
11029 * ipa-pure-const.c: Ditto.
11031 * fix-header.c: Ditto.
11033 * tree-stdarg.c: Ditto.
11034 * ipa-utils.c: Ditto.
11035 * loop-init.c: Ditto.
11036 * ipa-inline.c: Ditto.
11037 * cfganal.c: Ditto.
11039 * alloc-pool.c: Ditto.
11040 * dwarf2out.c: Ditto.
11042 * genattrtab.c: Ditto.
11043 * tree-ssa-loop-ivcanon.c: Ditto.
11044 * predict.c: Ditto.
11045 * timevar.c: Ditto.
11047 * fortran/gfortranspec.c: Ditto.
11048 * regmove.c: Ditto.
11049 * local-alloc.c: Ditto.
11050 * langhooks.c: Ditto.
11051 * function.c: Ditto.
11052 * tree-vectorizer.c: Ditto.
11054 * ipa-type-escape.c: Ditto.
11056 * tree-if-conv.c: Ditto.
11057 * profile.c: Ditto.
11059 * tree-data-ref.c: Ditto.
11060 * loop-unroll.c: Ditto.
11061 * treelang/treetree.c: Ditto.
11063 * bt-load.c: Ditto.
11064 * ggc-common.c: Ditto.
11066 * coverage.c: Ditto.
11068 * tree-cfgcleanup.c: Ditto.
11069 * tree-ssa-pre.c: Ditto.
11070 * cfgcleanup.c: Ditto.
11071 * loop-invariant.c: Ditto.
11072 * loop-iv.c: Ditto.
11073 * ipa-prop.c: Ditto.
11074 * print-tree.c: Ditto.
11075 * conflict.c: Ditto.
11076 * ggc-page.c: Ditto.
11077 * sched-deps.c: Ditto.
11078 * regclass.c: Ditto.
11079 * tree-object-size.c: Ditto.
11080 * combine.c: Ditto.
11081 * bb-reorder.c: Ditto.
11082 * resource.c: Ditto.
11083 * var-tracking.c: Ditto.
11084 * cfgloop.c: Ditto.
11085 * df-problems.c: Ditto.
11086 * reg-stack.c: Ditto.
11088 * gccspec.c: Ditto.
11089 * sched-rgn.c: Ditto.
11090 * tree-ssa-structalias.c: Ditto.
11091 * tree-ssa-reassoc.c: Ditto.
11092 * config/darwin-c.c: Ditto.
11093 * config/darwin.c: Ditto.
11094 * config/arm/arm.c: Ditto.
11096 * collect2.c: Ditto.
11097 * reload1.c: Ditto.
11099 2006-01-31 Nicolas Pitre <nico@cam.org>
11101 * arm.md (smaxsi3): Make aware of smax_m1.
11104 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11106 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11108 2006-01-31 Richard Guenther <rguenther@suse.de>
11110 * doc/invoke.texi (-msselibm): Document.
11111 * target.h (expand_library_builtin): New target hook.
11112 * builtins.c (expand_builtin): Use expand_library_builtin.
11113 (default_expand_library_builtin): New function.
11114 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11115 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11116 (link_gcc_math_spec): Declare.
11117 (static_specs): Add link_gcc_math_spec.
11118 * expr.h (default_expand_library_builtin): Declare.
11119 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11120 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11121 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11122 * config/i386/i386.opt (msselibm): New target option.
11123 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11124 (ix86_init_sse_abi_builtins): New function.
11125 (ix86_expand_library_builtin): Likewise.
11126 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11127 (override_options): Handle error conditions wrt -msselibm.
11128 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11129 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11130 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11133 2006-01-31 Richard Guenther <rguenther@suse.de>
11134 Paolo Bonzini <bonzini@gnu.org>
11136 * doc/install.texi (--disable-libgcc-math): Document.
11138 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11140 * expr.h (expand_normal): new inline function.
11141 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11142 * dojump.c: use it.
11143 * dwarf2out.c: use it.
11146 * expmed.c: use it.
11147 * except.c: use it.
11148 * config/sparc/sparc.c: use it.
11149 * config/i386/i386.c: use it.
11150 * config/rs6000/rs6000.c: use it.
11151 * config/arm/arm.c: use it.
11152 * config/mips/mips.c: use it.
11153 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11155 2006-01-30 Roger Sayle <roger@eyesopen.com>
11157 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11158 argv to the appropriate type.
11160 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11162 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11165 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11168 * config/s390/s390.c (struct machine_function): New flag
11169 decomposed_literal_pool_addresses_ok_p.
11170 (s390_reorg): Set it before final stage of literal pool transforms.
11171 (s390_decompose_address): Only accept displacements of the form
11172 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11174 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11176 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11177 the comparison routine return.
11179 2006-01-30 Michael Matz <matz@suse.de>
11181 * global.c (find_reg): Only evict for global regs.
11182 Take n_refs into account and dump more info.
11184 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11187 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11188 (pragma_trap, pragma_nosave_low_regs): Likewise.
11189 (current_function_anonymous_args): Likewise.
11190 (sh_deferred_function_attributes): New variable.
11191 (sh_deferred_function_attributes_tail): Likewise.
11192 (print_operand): For '@', look up trap_exit attribute.
11193 (calc_live_regs): Look up trapa_handler attribute. For trapa
11194 handlers, save/restore fpscr, but don't do any other
11195 interrupt-specific saves.
11196 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11197 Fix check for partially saved registers to check for SHmedia.
11198 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11199 (sh_output_function_epilogue): Don't clear any of the removed
11201 (sh_insert_attributes): Don't check pragma_interrupt.
11202 Insert deferred attributes. Check that interrupt attribute is
11203 present for other attributes that require its presence.
11204 (sh_attribute_table): Add new attributes trapa_handler and
11206 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11207 Don't check for pragma_interrupt. Don't store argument.
11208 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11209 (sh_deferred_function_attributes): Declare.
11210 (sh_deferred_function_attributes_tail): Likewise.
11211 * sh.md (sp_switch_1): Add operand. Change generator caller.
11212 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11213 (*return_i): Don't use when trap_exit attribute is in effect.
11214 (*return_trapa): New insn pattern.
11215 * sh-c.c: New file.
11216 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11217 setting c_target_objs and cxx_target_objs.
11218 * t-sh: Add rule for sh-c.o.
11220 2006-01-30 Richard Guenther <rguenther@suse.de>
11223 * gimplify.c (gimplify_target_expr): Handle easy cases
11224 without creating a temporary.
11226 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11228 * vec.h (safe_grow): Remove duplicated line.
11230 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11233 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11234 (expand_omp): ... here.
11235 (expand_omp_parallel): Only remove barriers for combined
11236 parallel+workshare constructs.
11238 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11242 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11243 * tree.c (build_qualified_type): Chain the new type to the original
11244 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11245 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11246 (build_pointer_type_for_mode): Only return unqualified types.
11247 (build_reference_type_for_mode): Likewise.
11249 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11251 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11252 * Makefile.in (CXX_COMPAT_WARN): Define.
11253 * configure: Regenerate.
11255 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11258 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11261 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11263 * toplev.c: Fix thinko.
11265 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11266 Marcin Dalecki <martin@dalecki.de>
11268 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11269 (push_srcloc): Use XNEW.
11270 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11272 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11274 * df-core.c (df_set_blocks): Deleted all variable.
11276 2006-01-28 Ian Lance Taylor <ian@airs.com>
11278 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11279 cgraph_output_pending_asms.
11281 2006-01-28 Zack Weinberg <zackw@panix.com>
11283 * c.opt: Add -W(no-)overlength-strings.
11284 * doc/invoke.texi: Document it.
11285 * c-opts.c (c_common_handle_option): -pedantic implies
11286 -Woverlength-strings, if not explicitly disabled already.
11287 (c_common_post_options): -Woverlength-strings defaults to off, and
11288 is always off for C++.
11289 * c-common.c (fix_string_type): Issue warning about strings longer
11290 than is portable only if warn_overlength_strings. Rearrange code
11291 a little for clarity.
11292 * configure.in: Check for -Wno-overlength-strings as well before
11293 enabling -pedantic in stage 1.
11294 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11295 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11297 * genconditions.c (write_header, write_one_condition)
11298 (write_conditions, write_writer): Consolidate very long strings
11299 that were broken up to fit in C89 portable limit. Don't use
11300 printf when fputs will do.
11302 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11304 * combine.c (simplify_comparison <AND>): Check
11305 TRULY_NOOP_TRUNCATION before start using a subreg.
11307 * config/mips/mips.md (*branch_zero<mode>,
11308 *branch_zero<mode>_inverted, *branch_equality<mode>,
11309 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11310 Remove mode check from comparisons.
11312 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11314 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11316 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11318 * expmed.c (const_mult_add_overflow_p): Remove.
11319 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11321 * recog.c (validate_replace_rtx_subexp): Remove.
11322 * recog.h: Remove the prototype for
11323 validate_replace_rtx_subexp.
11325 * integrate.h: Remove the prototype for
11326 copy_decl_for_inlining.
11327 * rtl.h: Remove the prototype for mark_constant_function.
11328 * tree-vectorizer.h: Remove the prototype for
11329 vect_strip_conversion.
11331 * modulo-sched.c (create_partial_schedule,
11332 free_partial_schedule, reset_partial_schedule): Make them
11335 * hooks.c (hook_bool_rtx_int_false): Remove.
11336 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11338 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11340 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11341 and -mlong-double-128 are incompatible.
11342 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11343 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11344 (TARGET_LIBGCC2_CFLAGS): Define.
11345 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11346 (TARGET_LIBGCC2_CFLAGS): Same.
11347 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11349 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11352 * c-typeck.c (build_binary_op): Perform implicit casts of
11353 operands before shortening them.
11355 * cfgloopmanip.c (split_loop_bb): Remove.
11356 * cfgloop.h: Remove the prototype for split_loop_bb.
11358 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11359 * cfgloop.h: Remove the prototype for
11360 flow_loop_outside_edge_p.
11362 * emit-rtl.c (init_virtual_regs): Make it static.
11363 * function.h: Remove the prototype for init_virtual_regs.
11365 * recog.c (peephole2_optimize): Make it static.
11366 * recog.h: Remove the prototype for peephole2_optimize.
11368 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11370 * df-scan.c (df_record_entry_block_defs): Check if
11371 INCOMING_RETURN_ADDR_RTX is defined.
11373 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11374 Kenneth Zadeck <zadeck@naturalbridge.com>
11376 PR rtl-optimization/24762
11377 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11378 * targhooks.c (hook_void_bitmap): New hook prototype.
11379 * targhoohs.h (hook_void_bitmap): Ditto.
11380 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11381 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11382 * target.h (live_on_entry): New function pointer.
11383 * df-scan.c (df_all_hard_regs): Removed.
11384 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11385 (df_scan_free_internal): Added df->entry_block_defs.
11386 (df_scan_alloc): Ditto.
11387 (df_scan_dump): Ditto.
11388 (df_uses_record): Plumbed flag field properly thru calls.
11389 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11390 This part fixes PR24762.
11391 (df_bb_refs_record): Added code to make the frame and arg
11392 pointers live in EH blocks.
11393 (df_refs_record): Added call to df_record_entry_block_defs.
11394 (df_record_entry_block_defs): New function.
11395 * df-core.c: Added comments to describe new artifical defs.
11396 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11397 (entry_block_defs): New field in struct df.
11398 (df_all_hard_regs): Deleted.
11399 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11400 * df-problems.c (df_ru_bb_local_compute_process_def):
11401 Added code to handle artifical defs in the entry to a function.
11402 (df_ru_bb_local_compute): Ditto.
11403 (df_rd_bb_local_compute_process_def): Ditto.
11404 (df_rd_bb_local_compute): Ditto.
11405 (df_lr_bb_local_compute): Ditto.
11406 (df_ur_bb_local_compute): Ditto.
11407 (df_urec_bb_local_compute): Ditto.
11408 (df_chain_create_bb): Ditto.
11409 (df_ur_local_finalize): Removed entry.
11410 (df_urec_init): Ditto.
11411 (df_urec_local_finalize): Ditto.
11412 (df_ri_bb_compute): Added detection of last use of pseudos.
11413 * Makefile.in (df-scan.o): Updated dependencies.
11414 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11415 * config/mips/mips.c (mips_set_live_on_entry): Added.
11416 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11418 * dce.c (marked_insn_p): Added code to handle artifical defs.
11420 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11422 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11424 (_mm_cvtsi128_si64): Likewise.
11425 (_mm_cvtsd_si64): Likewise.
11426 (_mm_cvttsd_si64): Likewise.
11427 (_mm_cvtsi64_sd): Likewise.
11428 (_mm_cvtsi64_si128): Likewise.
11429 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11430 (_mm_cvtsi64_m64): Likewise.
11431 (_m_to_int64): Likewise.
11432 (_mm_cvtm64_si64): Likewise.
11433 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11434 (_mm_cvttss_si64): Likewise.
11435 (_mm_cvtsi64_ss): Likewise.
11436 (_mm_cvtss_f32): Likewise.
11438 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11440 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11441 for pragma redefine_extname.
11443 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11446 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11447 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11448 -mno-minimal-toc to previous content.
11449 (bispecs): Remove goal.
11450 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11451 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11452 compatibility aliases on powerpc-*-*gnu*.
11453 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11454 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11455 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11456 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11457 (ldblspecs): New goal.
11458 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11459 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11461 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11462 L_sf_to_tf or L_df_to_tf is defined.
11464 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11465 Alan Modra <amodra@bigpond.net.au>
11468 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11469 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11470 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11471 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11472 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11473 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11474 (rs6000_override_options): Initialize rs6000_ieeequad.
11475 Initialize TFmode format to ibm_extended_format if not
11477 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11479 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11480 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11481 (function_arg_advance): IBM long double passed in two FPRs, not
11483 (function_arg): IBM long double passed in FPRs.
11484 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11485 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11486 Only multireg GPR aligned.
11487 (rs6000_init_libfuncs): Enable IBM long double functions if not
11489 (rs6000_generate_compare): Use IBM long double compare if not
11491 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11492 (TARGET_IEEEQUAD): Define.
11493 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11494 not TARGET_IEEEQUAD.
11495 * config/rs6000/rs6000.md: Enable TFmode patterns if
11497 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11498 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11499 and -mlong-double-128 are incompatible.
11500 * doc/invoke.texi (-mabi): Collect options together. Add
11501 ibmlongdouble and ieeelongdouble.
11503 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11505 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11507 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11508 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11509 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11510 * rtl.h (rtunion_def): Remove rt_ptr.
11512 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11513 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11514 * config/i386/winnt.c (i386_pe_mark_dllexport)
11515 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11517 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11519 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11521 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11525 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11526 pthread_key_delete. From John David Anglin. gthrw-ify
11527 pthread_getunique_np only if it it's not a macro. Delete
11529 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11530 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11531 __gthread_objc_condition_signal, __gthread_key_delete): Add
11532 "__attribute__ ((__unused__))" to unused arguments.
11533 (__gthread_recursive_mutex_init_function): Add missing return.
11534 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11535 gthr-posix95.h: Use macro-based approach for name redirection
11536 on targets missing weakref.
11538 2006-01-26 Zack Weinberg <zackw@panix.com>
11540 * genconditions.c (write_header): In generated code, #ifdef out
11541 all includes and fake declarations, except includes of bconfig.h
11542 and system.h, unless GCC_VERSION >= 3001. Do not include
11543 gensupport.h in any case.
11544 (write_conditions): Generate a definition of struct c_test. Add
11545 a comment to the generated #endif.
11546 (write_one_condition): Escape backslashes in string too.
11547 (write_writer): Generated code must escape backslashes and quote
11548 marks (but not newlines) in the strings it writes.
11549 * Makefile.in (build/gencondmd.o): Update dependencies.
11551 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11554 * Makefile.in (insn-automata.o): Add header file dependencies.
11555 * genautomata.c: Add includes.
11557 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11560 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11562 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11564 * configure.ac: Expect target tools paths to be passed from the toplevel
11565 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11567 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11569 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11572 * c.opt (Wpointer-sign): Init to -1.
11573 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11574 OPT_pedantic, to 0 otherwise.
11575 * doc/invoke.texi: Update.
11577 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11579 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11580 constants provided by 80387 instructions in the destination mode.
11582 2006-01-26 Richard Guenther <rguenther@suse.de>
11583 Andrew Pinski <pinskia@physics.uc.edu>
11586 partial PR tree-opt/17064
11587 * tree-ssa-structalias.c (intra_create_variable_infos):
11588 Create heap variables for incoming parameters if
11589 flag_argument_noalias > 1.
11590 (find_what_p_points_to): Look through default defs of
11593 2006-01-26 Jeff Law <law@redhat.com>
11596 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11597 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11598 within the VR_RANGE, use the VR_RANGE as the result, not the
11600 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11601 bounds for the type.
11603 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11605 * tree-ssa-alias.c (maybe_create_global_var): Change
11606 subvar walking to an assertion that we don't have subvar'd variables.
11608 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11611 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11612 Use a new variable, inner. PARM_DECLs are always non-weak.
11614 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11616 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11617 --disable-checking.
11619 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11621 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11623 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11625 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11626 (smax_insn, smin_insn, smax_0, smin_0): New.
11628 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11631 * config/cris/cris.c (cris_order_for_addsi3): New function.
11632 * config/cris/cris-protos.h: Prototype it.
11633 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11634 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11635 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11636 (split for "op.S1 [rx=rx+i],ry (swapped)")
11637 (split for "op(s|u).S1 [rx=rx+i],ry")
11638 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11639 Apply cris_order_for_addsi3 when generating addsi3 insns.
11641 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11643 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11644 (TREE_BLOCK): Add call to EXPR_CHECK.
11646 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11649 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11650 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11651 (dump_omp_clauses): ... here.
11652 (dump_generic_node): Handle OMP_CLAUSE.
11653 * tree.c (omp_clause_num_ops): New.
11654 (omp_clause_code_name): New.
11655 (tree_code_size): Handle OMP_CLAUSE.
11656 (tree_size): Likewise.
11657 (make_node): Document handling of OMP_CLAUSE.
11658 (tree_node_structure): Handle OMP_CLAUSE.
11659 (omp_clause_check_failed): New.
11660 (omp_clause_range_check_failed): New.
11661 (omp_clause_operand_check_failed): New.
11662 (build_omp_clause): New.
11663 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11664 * tree.h (enum omp_clause_code): Declare.
11665 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11666 (OMP_CLAUSE_RANGE_CHECK): Define.
11667 (OMP_CLAUSE_ELT_CHECK): Define.
11668 (omp_clause_check_failed): Declare.
11669 (omp_clause_operand_check_failed): Declare.
11670 (omp_clause_range_check_failed): Declare.
11671 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11672 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11673 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11674 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11675 (OMP_CLAUSE_IF_EXPR): Likewise.
11676 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11677 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11678 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11679 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11680 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11681 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11682 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11683 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11684 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11685 (OMP_CLAUSE_CODE): Define.
11686 (OMP_CLAUSE_SET_CODE): Define.
11687 (OMP_CLAUSE_CODE): Define.
11688 (OMP_CLAUSE_OPERAND): Define.
11689 (struct tree_omp_clause): Declare.
11690 (union tree_node): Add field 'omp_clause'.
11691 * treestruct.def (TS_OMP_CLAUSE): Define.
11692 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11693 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11694 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11695 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11696 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11697 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11698 (OMP_CLAUSE): Define.
11699 * print-tree.c (print_node): Handle OMP_CLAUSE.
11700 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11701 * c-typeck.c: Likewise.
11702 * gimplify.c: Likewise.
11703 * c-omp.c: Likewise.
11704 * tree-nested.c: Likewise.
11705 * tree-inline.c: Likewise.
11706 * c-parser.c: Likewise.
11707 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11710 2006-01-25 Roger Sayle <roger@eyesopen.com>
11712 PR rtl-optimization/25703
11713 * combine.c (try_combine): Handle zero_extract and strict_low_part
11714 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11716 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11718 * global.c: Fix comment typos.
11720 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11723 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11724 Use output_addr_const instead of assemble_name.
11726 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11728 * Makefile.in (sched-vis.o): Update dependencies.
11729 * haifa-sched.c (sched_finish): Clear current_sched_info.
11730 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11731 (dump_flow_info): Call it.
11732 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11734 * basic-block.h (dump_bb_info): Declare.
11735 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11736 option, and apply options only for dump files whose TDF_RTL,
11737 TDF_TREE, or TDF_IPA bits match.
11738 * rtl.h: Declare new functions exported from sched-vis.c.
11739 * sched-vis.c: Enable also if scheduling is not used.
11740 (print_value): Print the mode of registers if not inside scheduling.
11741 (print_insn): Make it work outside the scheduler. Beautify the output
11743 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11745 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11747 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11748 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11749 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11750 depending on the value of CONSTANT_POOL_ADDRESS_P.
11751 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11753 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11754 rather than SYMBOL_REF_DECL.
11755 (rtx_constant_pool): Remove const_rtx_sym_htab.
11756 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11757 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11758 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11759 Remove handling of const_rtx_sym_htab.
11760 (find_pool_constant): Delete.
11761 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11762 rather than find_pool_constant.
11763 (get_pool_constant_for_function): Delete.
11764 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11765 find_pool_constant.
11766 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11767 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11768 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11769 (SYMBOL_REF_CONSTANT): New macro.
11770 (get_pool_constant_for_function): Delete.
11771 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11772 rather than SYMBOL_REF_DECL.
11773 (i386_pe_mark_dllimport): Likewise.
11774 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11775 rather than SYMBOL_REF_DECL.
11776 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11777 (machopic_indirect_call_target): Likewise.
11779 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11781 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11783 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11785 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11787 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11789 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11791 2006-01-24 David Daney <ddaney@avtrex.com>
11794 * configure.ac (enable_tls): New enable option.
11795 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11796 * configure: Regenerate.
11797 * doc/install.texi (--enable-tls): Document new option.
11798 (--disable-tls): Ditto.
11800 2006-01-24 Richard Henderson <rth@redehat.com>
11802 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11803 * alias.c (true_dependence): Respect it.
11804 (canon_true_dependence, write_dependence_p): Likewise.
11805 * builtins.c (get_builtin_sync_mem): Set it.
11807 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11809 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11812 2006-01-24 DJ Delorie <dj@redhat.com>
11814 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11815 for storing constants in single-bit bitfields.
11817 2006-01-25 Ben Elliston <bje@au.ibm.com>
11819 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11821 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11824 * tree-ssa-pre.c (phi_translate): Return NULL
11825 for AGGREGATE_TYPE's.
11827 2006-01-24 Zack Weinberg <zackw@panix.com>
11829 * genautomata.c (process_state_for_insn_equiv_partition):
11830 Use xcalloc for insn_arcs_array.
11831 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11832 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11834 2006-01-24 Richard Henderson <rth@redhat.com>
11836 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11837 update all callers.
11839 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11841 PR rtl-optimization/25890
11842 PR rtl-optimization/25905
11843 * combine.c (expand_compound_operation, expand_field_assignment):
11844 Fail if the bitfield's final position is out of bounds.
11846 2006-01-24 Ian Lance Taylor <ian@airs.com>
11848 PR middle-end/25930
11849 * cgraphunit.c (cgraph_output_in_order): Don't clear
11850 cgraph_asm_nodes until after asm strings have been output.
11852 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11854 * fix-header.c (read_scan_file): Add new parameter imultilib when
11855 calling register_include_chains.
11857 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11859 * omp-low.c: Update documentation.
11861 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11862 Daniel Berlin <dberlin@dberlin.org>
11866 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11867 return from the function.
11869 2006-01-22 Zack Weinberg <zackw@panix.com>
11871 * rtl.def (match_code): Add second argument.
11872 * genpreds.c (write_extract_subexp): New function.
11873 (write_match_code): Add path argument. Use write_extract_subexp.
11874 (write_predicate_expr): Pass path to write_match_code.
11875 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11876 not perform a mode test.
11877 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11878 a subexpression does not constrain the top-level code set.
11879 * read-rtl.c (read_rtx_variadic): New function.
11880 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11881 * doc/md.texi: Document new notation.
11882 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11883 (cmpsi_operand): ... here, using new notation.
11885 2006-01-22 Zack Weinberg <zackw@panix.com>
11887 * varray.c: Remove GENERATOR_FILE #ifdefs.
11889 2006-01-22 Zack Weinberg <zackw@panix.com>
11891 * genautomata.c (output_reserved_units_table): Emit nothing if
11892 description->query_units_num is zero. Remove extra blank line.
11893 (output_cpu_unit_reservation_p): Short circuit
11894 if description->query_units_num is zero.
11896 2006-01-22 Zack Weinberg <zackw@panix.com>
11898 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11899 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11900 nor any of the random handful of variables that used to be necessary
11901 when this program was linked with rtlanal.o. Prune set of forward
11902 function declarations.
11903 (struct attr_desc): Remove static_p field.
11904 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11905 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11906 (attr_string): Do not read the character one past the length of
11908 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11909 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11910 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11911 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11912 (make_automaton_attrs): New.
11913 (main): Do not call into genautomata. Call local gen_bypass
11914 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11915 Remove special case for insn_alts.
11916 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11917 varray.h (leftover from previous change). Prune set of forward
11918 function declarations. Remove state_alts fields from all
11919 structures. Remove state_alts_table from struct automaton.
11920 Make everything except main static. Do not maintain num_dfa_decls.
11921 Do not maintain state_alts fields of various structures.
11922 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11923 (add_arc): Remove state_alts argument. All callers updated.
11924 (output_reserved_units_table): Emit #ifdef here...
11925 (output_tables): ...not here. Don't generate state_alts tables.
11926 (expand_automata): Don't generate attributes.
11927 (write_automata): Don't generate state_alts functions.
11928 (main): New function.
11929 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11930 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11931 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11932 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11933 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11934 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11935 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11936 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11938 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11939 * genattrtab.h: Delete file.
11940 * Makefile.in (OBJS-common): Add insn-automata.o.
11941 (insn-automata.o): New rule.
11942 (simple_generated_c): Add insn-automata.c.
11943 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11944 (genprogmd): Add automata.
11945 (build/genattrtab): Needs no extra objects nor libraries.
11946 (build/genautomata): Needs build/vec.o and -lm.
11948 2006-01-22 Zack Weinberg <zackw@panix.com>
11950 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11951 (output_dfa_max_issue_rate, locked_states_num): Delete.
11952 (struct automaton): Add locked_states field.
11953 (output_dead_lock_vect): Save number of locked states in
11954 automaton->locked_states. If it is zero, don't print anything.
11955 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11956 (output_internal_dead_lock_func): Only test the dead_lock_vect
11957 for automata that have locked states.
11958 (output_statistics): Always print the number of locked states for
11959 each automaton. Calculate total number of locked states here.
11960 (write_automata): Don't call output_dfa_max_issue_rate.
11961 * genattrtab.c: Define length_unit_log as a const variable.
11962 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11963 max_insn_queue_index const.
11964 * final.c (length_unit_log): Declare const.
11965 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11967 2006-01-22 Zack Weinberg <zackw@panix.com>
11969 * genautomata.c: Include vec.h, not varray.h.
11970 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11971 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11972 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11973 VEC_* macros operating on appropriately typed vectors, or to
11974 malloced arrays when the size is known in advance. Const-ify
11975 many char* variables and function arguments. No functional changes.
11976 * Makefile.in (build/varray.o): Delete rule.
11977 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11978 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11980 2006-01-22 Zack Weinberg <zackw@panix.com>
11982 * gensupport.c: Define get_insn_name and record_insn_name here.
11983 (read_md_rtx): Call record_insn_name as appropriate.
11984 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11985 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11986 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11988 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11989 (BUILD_VARRAY): Delete.
11990 (genprognormal): Rename genprogmd. Fold in all programs from
11991 genprognoprint; also attrtab.
11992 (build/genattrtab): Just mention genautomata.o and varray.o.
11993 Reorganize a bit, add comments to make the categories clearer.
11995 2006-01-22 Zack Weinberg <zackw@panix.com>
11997 * genconditions.c (condition_table, add_condition): Delete.
11998 (write_conditions): Don't emit n_insn_conditions nor
11999 insn_elision_unavailable. Issue the gcc version #ifdef here,
12000 inside the table, with no #else clause ...
12001 (write_header): ...not here.
12002 (write_writer): New function.
12003 (main): Don't initialize condition_table. Use add_c_test.
12005 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12006 files on the command line.
12007 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12008 Return -1 if there is no entry in the table, don't abort.
12009 (add_c_test, traverse_c_tests): New functions.
12010 * gensupport.h (insn_elision_unavailable, insn_conditions)
12011 (n_insn_conditions): Delete declarations.
12012 (add_c_test, traverse_c_tests): Declare.
12013 * read-rtl.c: Include gensupport.h.
12014 (read_conditions): New function.
12015 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12016 (read_rtx_1): If we get EOF when we were looking for an initial
12017 open paren, return 0. Call read_conditions when appropriate.
12018 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12019 dummy-conditions.o. Eliminate references to insn-conditions.o,
12020 or change them to build/gencondmd.o, as appropriate. Remove
12021 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12022 from $(simple_generated_c). For all files remaining in those
12023 two lists, add insn-conditions.md to the generator command line.
12024 Give insn-constants.h/s-constants their own rules. Add rules
12025 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12026 (build/read-rtl.o): Depend on gensupport.h.
12027 (genprognormal): Include preds.
12028 (genprogearly): Rename genprognoprint; only difference is now that
12029 they don't link with $(BUILD_PRINT).
12030 * dummy-conditions.c: Delete.
12032 2006-01-22 Zack Weinberg <zackw@panix.com>
12034 * genextract.c: Don't include insn-config.h. Do include vec.h.
12035 Declare vectors of int, char, and locstr.
12036 (locstr): New typedef.
12037 (struct extraction): Make all array fields into bare pointers.
12038 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12039 (insn_code_number): Delete.
12040 (accum_extract): New struct.
12041 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12042 (gen_insn): Take insn_code_number as an argument. Use an
12043 accum_extract structure instead of loading data directly into
12044 a struct extraction, and having to know how big it might get.
12045 (walk_rtx): Operate entirely on an accum_extract structure.
12046 (print_path): Avoid unnecessary use of printf.
12047 (print_header): New function, split out of main. Distinguish
12048 more carefully between an unrecognizable insn and an insn that
12049 has the code number of a define_expand.
12050 (main): Pass insn_code_number to gen_insn. Call print_header
12051 only after parsing. Avoid unnecessary use of printf.
12052 * Makefile.in (build/vec.o): New rule.
12053 (build/genextract): Depend on build/vec.o.
12054 (build/genextract.o): Don't depend on insn-config.h.
12056 2006-01-22 Zack Weinberg <zackw@panix.com>
12058 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12059 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12060 practical. Eliminate per-generator-program link rules.
12062 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12064 PR middle-end/24437
12065 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12066 with a call expr to ...
12067 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12069 2006-01-23 Richard Guenther <rguenther@suse.de>
12071 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12072 before make_edge with conditional EDGE_TRUE_VALUE.
12074 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12075 Jan Hubicka <jh@suse.cz>
12076 Richard Guenther <rguenther@suse.de>
12078 PR rtl-optimization/25654
12079 * cfgexpand.c (aggregate_contains_union_type): New function.
12080 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12081 for structure variables that contain a union type.
12083 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12085 * gengtype.c (new_structure): Return the structure.
12086 (create_option): Add an extra "next" argument.
12087 (create_field): New function.
12088 (adjust_field_rtx_def): Use create_option and create_field.
12089 Remove a now-unnecessary call to find_structure.
12090 (adjust_field_tree_def): Likewise.
12091 (note_yacc_type): Remove an unnecessary call to find_structure.
12092 * gengtype.h (new_structure): Return the structure.
12093 (create_option): Add an extra argument.
12094 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12095 (option): Adjust calls to create_option.
12097 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12099 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12101 2006-01-22 Paul Brook <paul@codesourcery.com>
12102 Peter Barada <peter@the-baradas.com>
12104 * config/m68k/m68k.md: Add Coldfire FPU support.
12105 Define FP mode macro and associated attributes.
12106 Use it for float mode patterns.
12107 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12108 (LIBCALL_VALUE): Use m68k_libcall_value.
12109 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12110 (m68k_function_value): Ditto.
12111 (emit_move_sequence): Ditto.
12112 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12113 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12114 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12115 (MULTILIB_EXCEPTIONS): Ditto.
12116 * config/m68k/m68k.opt: Add mcfv4e.
12117 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12118 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12119 (m68k_output_function_prologue): Save ColdFire FPU registers.
12120 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12121 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12122 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12123 ColdFire FPU registers.
12124 (m68k_libcall_value, m68k_function_value): New functions.
12125 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12126 (LIBCALL_VALUE): Use m68k_libcall_value.
12127 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12128 (MASK_COLDFIRE): Add MASK_CFV4E.
12129 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12130 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12131 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12132 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12133 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12134 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12135 * doc/invoke.tex: Document -mcfv4e on m68k.
12137 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12139 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12142 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12145 * c-opts.c (c_common_handle_option): Don't include
12146 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12147 * doc/invoke.texi (C++ Dialect Options): Document that
12148 -Wnon-virtual-dtor is no longer included in -Wall.
12150 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12152 * gcov.c (print_version), gcov-dump.c (print_version),
12153 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12156 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12158 * df-scan.c (problem_SCAN): Added NULL reset function.
12159 (df_scan_reset_blocks): Added code to call reset block function
12160 (df_bb_refs_delete) Fixed comment.
12161 (df_insn_refs_delete): Made tolerant of deleting non existent info
12162 for dataflow problems that need to be reset.
12163 * df-core.c (df_set_blocks): Ditto.
12164 * df.h (struct df_problem): Added reset_fun.
12165 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12166 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12167 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12168 functions to clear out all references to def-use or use-def chains.
12170 2006-01-21 Ben Elliston <bje@au.ibm.com>
12172 * varasm.c (assemble_real): Initialise data array.
12174 2006-01-20 Paul Brook <paul@codesourcery.com>
12176 Merge from csl-arm-branch.
12177 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12178 * config/arm/arm.md (movdi): Force operands[1] to a register
12179 if we have a non-register source.
12180 (*arm_movdi, *movdf_soft_insn): Require that one of the
12181 operands be a register.
12182 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12183 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12185 2006-01-20 DJ Delorie <dj@redhat.com>
12187 * varasm.c (initializer_constant_valid_p): Allow pointers
12188 initialized from integer constants of lesser precision.
12189 (output_constant): Allow non-int-sized pointer modes to be
12190 initialized from integer constants.
12192 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12195 * cppdefault.h (struct default_include): Add multilib flag.
12196 * cppdefault.c (cpp_include_defaults): Set it.
12197 * c.opt (-imultilib): New option.
12198 * c-opts.c (imultilib): New.
12199 (c_common_handle_option): Handle -imultilib.
12200 (c_common_post_options): Likewise.
12201 * c-incpath.c (add_standard_paths, register_include_chains):
12203 * c-incpath.h (register_include_chains): Add extra parameter.
12204 * gcc.c (do_spec_1): Generate -imultilib option.
12205 (The Specs Language): Update %I description.
12206 (process_command): Update copyright notice.
12207 * doc/cppopts.texi (-imultilib): Document.
12208 * doc/invoke.texi (-imultilib): Include in option summary.
12209 (%I): Update specs documentation.
12211 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12213 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12215 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12217 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12220 2006-01-20 Richard Guenther <rguenther@suse.de>
12221 Steven Bosscher <stevenb.gcc@gmail.com>
12223 PR rtl-optimization/24626
12224 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12225 EDGE_TRUE_VALUE if in RTL mode.
12228 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12229 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12231 2006-01-20 Dirk Mueller <dmueller@suse.com>
12234 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12235 instead of a special NOP marker.
12236 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12237 NOP marker handling.
12238 * c-common.h (empty_body_warning): Add forward declaration.
12239 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12240 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12242 2006-01-20 Paul Brook <paul@codesourcery.com>
12244 * Makefile.in (lang_checks): Keep going if mkdir fails.
12246 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12248 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12249 be able to clean out basic block when not necessary.
12250 (df_scan_free): Fixed to properly delete information if df is
12251 unused before calling df_finish.
12252 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12253 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12255 (df_bb_refs_delete): New function.
12256 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12257 * df-core.c (df_set_blocks): Added code to properly clean out
12258 unused blocks if they are not part of the blocks to consider.
12259 Added additional null check.
12260 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12261 be able to clean out basic block when not necessary
12262 * df.h (df_free_bb_function): Ditto.
12263 (df_bb_refs_delete): New function.
12264 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12265 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12266 basic block parameter to be able to clean out basic block when not
12268 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12269 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12270 Fixed to properly delete information if df is unused before
12273 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12275 PR rtl-optimization/25799
12276 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12277 Corrected confluence operator to remove bits from op2 before oring
12278 with op1 rather than removing bits from op1.
12279 (df_ru_transfer_function): Corrected test on wrong bitmap which
12280 caused infinite loop. Both of these problems were introduced in
12281 the dataflow rewrite.
12283 2006-01-19 DJ Delorie <dj@redhat.com>
12285 * reload1.c (find_reload_regs): Note the details of reload
12286 failures in the dump file.
12287 (spill_failure): Likewise.
12289 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12291 * loop-iv.c: Include df.h and hashtab.h.
12292 (enum iv_grd_result): New enum.
12293 (DF_REF_IV, DF_REF_IV_SET): New macros.
12294 (struct biv_entry): New.
12295 (df, bivs): New global variables.
12296 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12297 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12299 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12300 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12301 analyzed_for_bivness_p, record_biv): New functions.
12302 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12303 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12304 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12306 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12308 (iv_number_of_iterations): Use new interface to iv analysis.
12309 * loop-unroll.c: Do not include varray.h.
12310 (analyze_iv_to_split_insn): Use new interface to iv
12312 * loop-unswitch.c (may_unswitch_on): Ditto.
12313 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12315 (df_bb_modify): Realloc tables to the new index.
12316 (df_find_use): New function.
12317 * df.h (df_find_use): Declare.
12318 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12320 * cfgloop.h (struct rtx_iv): Remove analysed field.
12321 (iv_get_reaching_def): Removed.
12322 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12323 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12324 (loop-iv.o): Add df.h and hashtab.h dependency.
12325 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12327 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12330 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12332 (__floatundisf, __floatundidf): Likewise.
12333 * libgcc2.h (IS_IBM_EXTENDED): Define.
12335 2006-01-19 DJ Delorie <dj@redhat.com>
12337 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12339 2006-01-19 Paul Brook <paul@codesourcery.com>
12341 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12342 as nothrow when unwinding tables are disabled.
12344 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12347 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12348 of bit-field" when in system header.
12350 2006-01-19 DJ Delorie <dj@redhat.com>
12352 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12353 the 16 bit shift limit of the m16c.
12355 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12358 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12359 * config/i386/i386.c (output_set_got): Output the label if we have one
12360 for the TARGET_DEEP_BRANCH_PREDICTION case.
12362 2006-01-19 Jan Hubicka <jh@suse.cz>
12363 H.J. Lu <hongjiu.lu@intel.com>
12364 Evandro Menezes <evandro.menezes@amd.com>
12366 * invoke.texi (generic): Document
12368 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12369 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12370 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12371 (x86_use_incdec, x86_pad_returns): New variables
12372 (TARGET_CPU_DEFAULT_generic): New constant
12373 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12374 (enum processor_type): Add generic32 and generic64.
12375 * i386.md (cpu attribute): Add generic32/generic64
12376 (movhi splitter): Behave sanely when both partial_reg_dependency and
12377 partial_reg_stall are set.
12378 (K8 splitters): Enable for generic as well.
12379 * predicates.md (incdec_operand): Use TARGET_INCDEC
12380 (aligned_operand): Avoid memory mismatch stalls.
12381 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12382 * ppro.md: Enable for generic32
12383 * i386.c (generic64_cost, generic32_cost): New.
12384 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12385 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12386 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12387 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12388 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12389 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12390 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12391 x86_accumulate_outgoing_args, x86_prologue_using_move,
12392 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12393 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12394 Enable for generic.
12395 (x86_use_incdec, x86_pad_returns): New.
12396 (override_options): Add generic32 and generic64, translate "generic"
12397 to generic32/generic64 and "i686" to "generic32", refuse
12398 "generic32"/"generic64" as arch target.
12399 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12400 (ix86_reorg): Honor PAD_RETURNS.
12402 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12404 * tree-pretty-print.c (dump_generic_node): Handle
12405 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12406 * cgraph.c (cgraph_expand_queue): Rename from
12407 cgraph_analyze_queue. Update all users.
12408 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12409 cgraph_expand_queue.
12410 (cgraph_expand_all_functions): Likewise.
12411 (cgraph_finalize_pending_functions): Remove. Update callers.
12413 * tree.h (OMP_DIRECTIVE_P): Define.
12414 (OMP_PARALLEL_FN): Define.
12415 (OMP_PARALLEL_DATA_ARG): Define.
12416 (OMP_SECTIONS_SECTIONS): Define.
12417 * tree-pass.h (pass_expand_omp): Declare.
12418 * omp-low.c (struct omp_region): Declare.
12419 (struct omp_context): Remove fields 'parallel_type',
12420 'parallel_start_ix' and 'parallel_start_additional_args'.
12422 (struct omp_for_data): Rename from struct expand_omp_for_data.
12423 (omp_regions): New static variable.
12424 (root_omp_region): New static variable.
12425 (find_omp_clause): Make static.
12426 (is_in_combined_parallel_ctx): Remove.
12427 (is_combined_parallel): New.
12428 (extract_omp_for_data): Move earlier in the file.
12429 (workshare_safe_to_combine_p): New.
12430 (get_ws_args_for): New.
12431 (determine_parallel_type): Move earlier in the file.
12432 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12434 (omp_copy_decl): Likewise.
12435 (create_omp_child_function): Likewise.
12436 (lookup_omp_region): New.
12437 (dump_omp_region): New.
12438 (debug_omp_region): New.
12439 (debug_all_omp_regions): New.
12440 (new_omp_region): New.
12441 (scan_omp_parallel): If parallel_nesting_level > 1, the
12442 directive is nested within another parallel directive.
12443 Set OMP_PARALLEL_FN.
12444 (scan_omp_for): Do not try to handle combined parallel+for
12446 Remove FIXME comment.
12447 (scan_omp_nested): Remove.
12448 (scan_omp_1): Do not call scan_omp_nested when
12449 parallel_nesting_level is > 1.
12450 Do not change the DECL_CONTEXT of local variables found.
12451 (lookup_decl_in_outer_ctx): New.
12452 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12453 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12454 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12455 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12456 If CTX is nested, lookup VAR in the outer context when
12457 building copy assignment.
12458 (lower_send_clauses): Rename from expand_send_clauses.
12459 If CTX is nested, lookup VAR in the outer context when
12460 building copy assignments.
12461 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12462 If CTX is nested, lookup VAR in the outer context when
12463 building copy assignments.
12464 (expand_parallel_call): Rename from build_parallel_call.
12465 Handle combined parallel+workshare cases.
12466 Re-implement to emit code into the CFG.
12468 (expand_omp_parallel): Re-implement to emit code into the CFG.
12469 Call move_sese_region_to_fn to outline the sub-graph
12470 containing the parallel region.
12471 (expand_omp_for_1): Remove.
12472 (expand_omp_for_generic): Re-implement to emit code into the
12474 (expand_omp_for_static_nochunk): Likewise.
12475 (expand_omp_for_static_chunk): Likewise.
12476 (expand_omp_for): Likewise.
12477 (expand_omp_sections): Likewise.
12478 (remove_exit_barriers): New.
12479 (expand_omp_synch): New.
12481 (build_omp_regions_1): New.
12482 (build_omp_regions): New.
12483 (execute_expand_omp): New.
12484 (gate_expand_omp): New.
12485 (pass_expand_omp): Define.
12486 (lower_omp_sections): Rename from expand_omp_sections.
12487 Set OMP_SECTIONS_SECTIONS.
12488 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12489 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12490 (lower_omp_single): Rename from expand_omp_simple.
12491 (lower_omp_master): Rename from expand_omp_master.
12492 (lower_omp_ordered): Rename from expand_omp_ordered.
12493 (lower_omp_critical): Rename from expand_omp_critical.
12494 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12495 (lower_omp_for): Re-implement.
12496 (lower_omp_parallel): Re-implement.
12497 (lower_regimplify): Rename from expand_regimplify.
12498 (lower_omp_1): Rename from expand_omp_1.
12499 If there are syntax errors in the program, replace every
12500 OpenMP directive with NOP.
12501 Call lower_omp_* instead of expand_omp_*.
12502 (lower_omp): Rename from expand_omp.
12504 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12505 * tree-gimple.h (enum omp_parallel_type): Remove.
12506 (gimple_boolify): Declare extern.
12507 (find_omp_clause, determine_parallel_type): Remove.
12509 * gimple-low.c (lower_omp_directive): New.
12510 (lower_stmt): Call it.
12511 (record_vars_into): Move from ...
12512 (record_vars): ... here.
12513 Call record_vars_into with current_function_decl.
12515 * gimplify.c (struct gimplify_ctx): Remove fields
12516 combined_pre_p and combined_ctxp. Update users.
12517 (get_formal_tmp_var): Add documentation.
12518 (gimple_boolify): Make extern.
12519 (gimplify_expr_in_ctx): Remove. Update callers.
12520 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12521 will always be a BIND_EXPR.
12522 (gimplify_expr): Handle OMP_RETURN_EXPR.
12523 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12524 (OMP_PARALLEL): Add 3 operands.
12525 (OMP_SECTIONS): Add 1 operand.
12526 (OMP_RETURN_EXPR): Define.
12528 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12529 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12530 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12531 creating a circular free list.
12532 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12534 * tree-flow.h (move_sese_region_to_fn): Declare.
12535 (record_vars_into): Declare.
12536 * tree-cfg.c (make_omp_sections_edges): New.
12537 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12538 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12539 OMP_SECTIONS and OMP_SECTION.
12540 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12541 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12542 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12543 (gather_blocks_in_sese_region): New.
12544 (struct move_stmt_d): Declare.
12545 (move_stmt_r): New.
12546 (move_block_to_fn): New.
12547 (move_sese_region_to_fn): New.
12549 * passes.c (init_optimization_passes): Schedule
12550 pass_expand_omp after pass_init_datastructures.
12552 * tree-ssa-operands.c (get_expr_operands): Handle
12553 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12554 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12556 2006-01-19 Jeff Law <law@redhat.com>
12558 * tree-vrp.c (extract_range_from_assert): Refine the result range
12559 if the variable referenced by the ASSERT_EXPR has a range and
12560 either the tentative result range or the previous range is a
12563 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12565 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12567 2006-01-19 Jan Hubicka <jh@suse.cz>
12569 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12571 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12573 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12574 (expand_compound_operation, expand_field_assignment): Fail if the
12575 bit lengths of an extract operation are out of range.
12576 (make_extraction): Compute wanted_inner_mode based on the position
12577 and length of the extraction. Make it extraction_mode for non-constant
12578 positions, and do not modify offset in that case. When generating a
12579 new MEM, use a mode that can hold the extraction while keeping correct
12580 alignment. Remove code that supported MEMs wrapped by USEs.
12581 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12583 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12585 * config/s390/s390.md ("Y", "y"): New mode attribute.
12586 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12587 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12588 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12589 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12590 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12591 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12592 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12593 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12594 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12595 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12596 "addsi3", "subsi3"): Insn patterns removed.
12597 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12598 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12599 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12600 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12601 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12602 "*sub<mode>3_cconly2"): New insn patterns.
12603 ("addsi3", "subsi3"): New expanders.
12605 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12607 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12608 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12609 existing STMT_VINFO_VECTYPE if available.
12610 (vect_mark_relevant): Add special handling for stmts that are
12611 marked as STMT_VINFO_IN_PATTERN_P.
12612 (vect_analyze_loop): Call vect_pattern_recog.
12613 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12614 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12616 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12617 (vect_recog_func_ptr): New function-pointer type.
12618 * tree-vect-patterns.c: New file.
12619 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12620 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12621 (vect_pattern_recog_1): New functions.
12622 (vect_pattern_recog_funcs): New array of function pointers.
12624 * tree-vectorizer.h (ternary_op): New enum value.
12625 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12626 declaration. Revised documentation. Removed redundant dump prints.
12627 Removed redundant argument. Added support for reduction patterns.
12628 (vectorizable_reduction): Added support for reduction patterns.
12629 (vect_transform_stmt): Added support for patterns.
12631 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12632 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12633 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12634 (expand_widen_pattern_expr): New function.
12635 (init_optabs): Initialize new optabs udot_prod_optab,
12637 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12638 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12639 (expand_widen_pattern_expr): New function declaration.
12640 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12642 * tree-inline.c (estimate_num_insns_1): Added cases for new
12643 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12644 * tree-pretty-print.c (dump_generic_node): Likewise.
12645 (op_prio): Likewise.
12646 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12647 * tree-ssa-operands.c (get_expr_operands): Added case for
12649 * tree-vect-patterns.c (widened_name_p): New function.
12650 (vect_recog_dot_prod_pattern): Added function implementation.
12651 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12652 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12653 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12654 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12656 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12657 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12658 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12659 (init_optabs): Initialize new optabs widen_ssum_optab,
12661 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12662 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12663 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12664 use instead of type of def.
12665 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12666 function implementation.
12667 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12668 widen_ssumv8hi): New.
12670 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12673 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12676 * c-decl.c (add_flexible_array_elts_to_size): New function.
12677 (finish_decl): Use it.
12679 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12681 * diagnostic.h: Include options.h.
12682 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12683 dependancies for diagnostic.h.
12684 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12686 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12688 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12689 (ssa_ro_call_cache_valid): Ditto.
12690 * tree-ssa-alias.c (sort_tags_by_id): New function.
12691 (init_transitive_clobber_worklist): Ditto.
12692 (add_to_worklist): Ditto.
12693 (mark_aliases_call_clobbered): Ditto.
12694 (compute_tag_properties): Ditto.
12695 (set_initial_properties): Ditto.
12696 (compute_call_clobbered): Ditto.
12697 (compute_may_aliases): Call compute_call_clobbered and grouping.
12698 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12699 (compute_flow_insensitive_aliasing): Grouping now happens in our
12701 (setup_pointers_and_addressables): Remove clobbering related code.
12702 (add_may_alias): Ditto.
12703 (replace_may_alias): Ditto.
12704 (get_nmt_for): Ditto.
12705 (create_global_var):
12706 (is_escape_site): Return an escape_type enumeration.
12707 * tree-flow-inline.h (is_call_clobbered): Global var does not
12708 imply call clobbered.
12709 (mark_call_clobbered): Take a reason for marking this. Remove
12710 marking of globalness, and cache invalidation.
12711 (clear_call_clobbered): Remove cache invalidation code.
12712 * tree-dfa.c (dump_variable): If details is on, dump the reason
12714 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12716 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12717 (struct var_ann_d): Ditto.
12718 (enum escape_type): New.
12719 (mark_call_clobbered): Adjust prototype.
12720 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12721 are never call clobbered.
12722 Record reasons for escaping.
12723 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12724 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12725 (ssa_ro_call_cache_valid): Ditto.
12726 (clobbered_v_may_defs): Ditto.
12727 (clobbered_vuses): Ditto.
12728 (ro_call_vuses): Ditto.
12729 (clobber_stats): New.
12730 (init_ssa_operands): Zero out clobber stats.
12731 (fini_ssa_operands): Print out clobber stats.
12732 (get_call_expr_operands): Pass callee fndecl to
12733 add_call_read_ops).
12734 (add_call_clobber_ops): Remove use of cache.
12735 Add use of PURE_CONST information.
12736 (add_call_read_ops): Remove use of cache.
12737 Add use of static not_read information.
12739 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12741 Introduce TLS descriptors for i386 and x86_64.
12742 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12743 (TARGET_ANY_GNU_TLS): New macro.
12744 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12745 (struct machine_function): Add tls_descriptor_call_expanded_p.
12746 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12747 (ix86_current_function_calls_tls_descriptor): Likewise.
12748 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12749 (override_options): Introduce gnu2 tls dialect.
12750 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12752 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12754 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12755 (ix86_init_machine_status): Initialize new field.
12756 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12757 (ix86_tls_module_base): New.
12758 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12759 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12760 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12761 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12762 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12763 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12764 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12765 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12766 * config/i386/predicates.md (tls_modbase_operand): New.
12767 (tp_or_register_operand): New.
12769 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12771 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12772 (look_for_address_of): Ditto.
12773 (ipa_init): Walk the function decls.
12774 (static_execute): Don't set readonly on FUNCTION_DECL's.
12776 2006-01-18 Roger Sayle <roger@eyesopen.com>
12778 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12779 for shifts where the source and destination registers are different.
12781 2006-01-18 Paul Brook <paul@codesourcery.com>
12783 Merge from csl-arm-branch.
12784 2005-03-14 Julian Brown <julian@codesourcery.com>
12785 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12786 (aeabi_llsl): Likewise.
12787 (ashrdi3): Likewise.
12788 (aeabi_lasr): Likewise.
12789 (lshrdi3): Likewise.
12790 (aeabi_llsr): Likewise.
12791 2005-03-10 Julian Brown <julian@codesourcery.com>
12792 * config.gcc: Disable shared libgcc for SymbianOS.
12793 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12795 2006-01-18 DJ Delorie <dj@redhat.com>
12797 * c-pragma.c (handle_pragma_diagnostic): New.
12798 (init_pragma): Register it.
12799 * doc/extend.texi: Document it.
12801 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12802 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12803 (diagnostic_context): Add classify_diagnostic[].
12804 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12805 as errors if they're overridden to DK_WARNING.
12806 (diagnostic_initialize): Initialize classify_diagnostic[].
12807 (diagnostic_set_kind_override): New.
12808 (diagnostic_report_diagnostic): Check for kind changes.
12809 * opts.c (common_handle_option): Take lang_mask. Update callers.
12810 Handle OPT_Werror_.
12811 * common.opt (Werror=): New.
12812 * doc/invoke.texi: Document -Werror=*
12814 2006-01-18 Jeff Law <law@redhat.com>
12816 * tree-vrp.c (test_for_singularity): Correct test for new
12817 min limit. Use operand_equal_p rather than pointer equality
12818 for testing if new min/max values are equal.
12820 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12821 using range information until after propagation and folding.
12823 2006-01-18 Richard Henderson <rth@redhat.com>
12824 Aldy Hernandez <aldyh@redhat.com>
12825 Jakub Jelinek <jakub@redhat.com>
12826 Diego Novillo <dnovillo@redhat.com>
12828 * omp-low.c: New file.
12829 * c-omp.c: New file.
12831 2006-01-18 Richard Henderson <rth@redhat.com>
12832 Jakub Jelinek <jakub@redhat.com>
12833 Diego Novillo <dnovillo@redhat.com>
12835 * doc/invoke.texi: Document -fopenmp.
12836 * tree-dump.h (debug_function): Declare.
12837 * hooks.c (hook_bool_tree_bool_false): New function.
12838 (hook_tree_tree_null): Remove.
12839 (hook_tree_tree_tree_null): New.
12840 * hooks.h: Update to match.
12841 * tree-pretty-print.c (debug_tree_chain): New.
12842 (print_generic_expr): Handle TDF_CHAIN.
12843 (dump_generic_node): Handle BLOCK.
12844 Do not abort with incomplete SWITCH_EXPRs.
12845 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12846 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12847 print space after directive name.
12848 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12849 Handle OMP_MASTER and OMP_ORDERED.
12850 Handle printing of OMP_BODY just in one place, goto
12851 dump_omp_body in the rest of OMP_* nodes that have
12853 Don't handle clause nodes here. Update omp statements to
12854 use dump_omp_clauses.
12855 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12856 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12857 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12858 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12859 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12860 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12861 Adjust output for GOMP_PARALLEL.
12862 (dump_omp_clauses): New.
12863 (print_declaration): Dump DECL_VALUE_EXPR.
12864 (op_symbol_1): Split out of op_symbol.
12865 (dumping_stmts): Remove. Update all users.
12866 * cgraph.c (cgraph_analyze_queue): New.
12867 (cgraph_add_new_function): New.
12868 * cgraph.h (cgraph_analyze_queue): Declare.
12869 (cgraph_add_new_function): Declare.
12870 (cgraph_lower_function): Remove.
12871 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12872 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12873 and TYPE_P nodes in its default clause.
12874 (empty_body_p): New.
12875 (tree_range_check_failed): New.
12876 (build5_stat): New.
12877 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12878 OMP_CLAUSE_REDUCTION_MERGE,
12879 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12880 OMP_CLAUSE_PRIVATE_DEBUG,
12881 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12882 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12883 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12884 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12885 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12886 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12887 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12888 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12889 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12890 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12891 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12892 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12893 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12894 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12895 (TREE_RANGE_CHECK): New.
12896 (empty_body_p): Declare.
12897 (enum omp_clause_default_kind): New.
12898 (build_string_literal): Declare.
12899 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12900 (build5_stat, build5): Declare.
12901 * tree-pass.h (TDF_CHAIN): Define.
12902 * tree-pass.h (PROP_gimple_lomp): Define.
12903 (pass_lower_omp): Declare.
12904 * diagnostic.h (debug_tree_chain): Declare.
12905 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12907 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12908 * builtins.c (build_string_literal): Make extern.
12909 * gcc.c (include_spec_function): New.
12910 (static_spec_functions): Add it.
12911 (main): Move load of libgomp.spec ...
12912 (LINK_COMMAND_SPEC): ... here.
12913 (link_gomp_spec): New.
12914 (static_specs): Include it.
12915 (LINK_COMMAND_SPEC): Add link_gomp.
12916 (GOMP_SELF_SPECS): New.
12917 (driver_self_specs): Include it.
12918 (switch_matches): Don't mark inline.
12919 (main): Load libgomp.spec.
12920 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12921 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12922 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12923 * tree-gimple.h (enum omp_parallel): Declare.
12924 (determine_parallel_type): Declare.
12925 (omp_firstprivatize_variable): Declare.
12926 (omp_reduction_init): Declare.
12927 (diagnose_omp_structured_block_errors): Declare.
12928 (struct walk_stmt_info): Add want_return_expr.
12929 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12930 (find_omp_clause): Declare.
12931 (insert_field_into_struct): Declare.
12932 (struct walk_stmt_info): Move from tree-nested.c
12933 (walk_stmts): Declare.
12934 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12936 * cgraphunit.c (cgraph_lower_function): Make static.
12937 (cgraph_finalize_pending_functions): New.
12938 (cgraph_finalize_function): Call it.
12939 (cgraph_finalize_compilation_unit): Likewise.
12940 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12941 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12942 (BT_FN_UINT_UINT): New.
12943 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12944 DEF_FUNCTION_TYPE_VAR_4): Document.
12945 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12946 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12947 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12948 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12949 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12950 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12951 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12952 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12953 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12954 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12955 into separate files.
12956 (DEF_GOMP_BUILTIN): New.
12957 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12958 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12959 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12960 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12961 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12962 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12963 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12964 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12965 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12966 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12967 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12968 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12969 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12970 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12971 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12972 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12973 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12974 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12975 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12976 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12977 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12978 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12979 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12980 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12981 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12982 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12983 * sync-builtins.def: New file, moved from builtins.def.
12984 * omp-builtins.def: New file, moved from builtins.def.
12985 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12986 * gimple-low.c (lower_function_body): Clear data.
12987 (lower_stmt): Do not handle COMPOUND_EXPR.
12988 Remove call to print_node_brief.
12989 * c-tree.h (c_finish_omp_clauses): New prototype.
12990 (C_DECL_THREADPRIVATE_P): Define.
12991 (lookup_name_no_remap, c_omp_remap_private): Remove
12992 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12993 (check_for_loop_decls): Update decl.
12994 (lookup_name_no_remap, c_omp_remap_private): Declare.
12995 (build_indirect_ref, build_modify_expr, pushdecl,
12996 pushdecl_top_level): Move to c-common.h.
12997 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12998 before the switch, but just in the 2 places that need it.
12999 * c-decl.c (diagnose_mismatched_decls): Do not check for
13000 mismatched thread-local attributes when OLDDECL is marked
13001 threadprivate and NEWDECL has no thread-local attributes.
13002 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13003 (c_gimple_diagnostics_recursively): Rename from
13004 c_warn_unused_result_recursively. Invoke
13005 diagnose_omp_structured_block_errors.
13006 (check_for_loop_decls): Return a singular decl found.
13007 * langhooks.c (lhd_omp_predetermined_sharing): Return
13008 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13009 (lhd_omp_firstprivatize_type_sizes): New.
13010 (lhd_omp_assignment): New.
13011 (lhd_omp_predetermined_sharing): New.
13012 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13013 (struct lang_hooks_for_types): Add
13014 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13015 omp_predetermined_sharing, omp_disregard_value_expr,
13016 omp_private_debug_clause, omp_clause_default_ctor,
13017 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13018 (c_finish_omp_clauses): New.
13019 (c_finish_bc_stmt): Diagnose break within omp for.
13020 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13021 (build_unary_op): Return error_mark after reporting
13023 (build_modify_expr): Likewise.
13024 * gimplify.c: Include optabs.h and pointer-set.h.
13025 (enum gimplify_omp_var_data): Declare.
13026 (struct gimplify_omp_ctx): Declare.
13027 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13029 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13030 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13031 (splay_tree_compare_decl_uid): New.
13032 (new_omp_context): New.
13033 (delete_omp_context): New.
13034 (gimple_add_tmp_var): Call omp_add_variable.
13035 (gimplify_bind_expr): Likewise.
13036 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13037 true, disregard DECL_VALUE_EXPR on the decl if any.
13038 (gimplify_expr_in_ctx): New.
13039 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13040 omp_add_variable, omp_notice_variable, omp_is_private
13041 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13042 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13043 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13044 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13045 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13046 gimplify_omp_atomic): New.
13047 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13048 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13049 OMP_CRITICAL and OMP_ATOMIC.
13050 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13051 * c-pragma.h (enum pragma_kind): Add
13052 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13053 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13054 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13055 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13056 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13057 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13058 PRAGMA_OMP_THREADPRIVATE.
13059 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13060 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13061 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13062 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13063 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13064 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13065 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13066 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13067 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13068 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13069 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13070 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13071 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13073 (struct nesting_info): Add field_map,
13074 suppress_expansion, debug_var_chain.
13075 (create_nesting_tree): Initialize them.
13076 (lookup_field_for_decl): Use field_map.
13077 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13078 (convert_local_omp_clauses): New.
13079 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13080 (walk_body): Split out of walk_function.
13081 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13082 (convert_nonlocal_reference): Handle omp statements.
13083 (convert_local_reference): Likewise.
13084 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13085 (unnest_nesting_tree): New.
13086 (lower_nested_functions): Call it.
13087 (insert_field_into_struct): Make extern.
13088 (struct walk_stmt_info): Move to tree-gimple.h.
13089 (walk_stmts): Make extern.
13090 * omp-builtins.def: New file.
13091 * tree-iterator.c (expr_only): Clarify comment.
13092 * c-common.h (pushdecl_top_level, pushdecl,
13093 build_modify_expr, build_indirect_ref,
13094 c_finish_omp_master, c_finish_omp_critical,
13095 c_finish_omp_ordered, c_finish_omp_barrier,
13096 c_finish_omp_atomic, c_finish_omp_flush,
13097 c_finish_omp_for, c_split_parallel_clauses,
13098 omp_clause_default_kind, c_omp_sharing_predetermined,
13099 c_omp_remap_decl): Declare.
13100 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13101 (OBJS-common): Add omp-low.o.
13102 (c-omp.o, omp-low.o): Add.
13103 (gimplify.o): Add dependency on $(OPTABS_H).
13104 (GTFILES): Add omp-low.c.
13105 (gt-stringpool.h): Add.
13106 * tree-cfg.c (set_bb_for_stmt): Do not update the
13107 block-to-labels map if we are currently expanding to RTL.
13108 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13110 Handle IDENTIFIER_NODE.
13111 (tree_verify_flow_info): Do not ICE when emitting error
13112 messages about invalid labels.
13113 (dump_function_to_file): Reset CFUN before emitting the body
13115 (debug_function): New.
13116 * passes.c (init_optimization_passes): Schedule
13118 * langhooks-def.h (lhd_omp_predetermined_sharing,
13119 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13121 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13122 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13123 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13124 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13125 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13126 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13127 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13128 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13129 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13130 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13131 (LANG_HOOK_DECLS): Use them.
13133 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13134 Richard Henderson <rth@redhat.com>
13135 Jakub Jelinek <jakub@redhat.com>
13136 Diego Novillo <dnovillo@redhat.com>
13138 * c-parser.c (pragma_omp_clause): Define.
13139 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13140 (c_parser_compound_statement): Likewise.
13141 (c_parser_statement): Likewise.
13142 (c_parser_pragma): Handle omp pragmas.
13143 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13144 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13145 (c_parser_omp_clause_name, check_no_duplicate_clause,
13146 c_parser_omp_variable_list,
13147 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13148 c_parser_omp_clause_copyprivate,
13149 c_parser_omp_clause_default,
13150 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13151 c_parser_omp_clause_lastprivate,
13152 c_parser_omp_clause_nowait,
13153 c_parser_omp_clause_num_threads,
13154 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13155 c_parser_omp_clause_reduction,
13156 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13157 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13158 c_parser_omp_atomic, c_parser_omp_barrier,
13159 c_parser_omp_critical, c_parser_omp_flush,
13160 c_parser_omp_for_loop, c_parser_omp_for,
13161 c_parser_omp_master, c_parser_omp_ordered,
13162 c_parser_omp_sections_scope, c_parser_omp_sections,
13163 c_parser_omp_parallel, c_parser_omp_single,
13164 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13165 * c-pragma.c (init_pragma): Do omp pragma registration here.
13166 * c.opt (fopenmp): New flag.
13168 2006-01-18 Eric Christopher <echristo@apple.com>
13170 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13171 * config/darwin.h (GOMP_SELF_SPECS): Define.
13173 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13175 * rtl.h: Remove the prototype for reg_alloc.
13177 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13180 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13181 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13182 sjlj and dwarf2 exception handling.
13183 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13184 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13185 * pa/pa.c (function_value): Treat complex and vector types as
13187 (function_arg): Likewise. Only pass scalar floats in the floating
13188 point argument registers.
13189 * pa/t-slibgcc-dwarf-ver: New file.
13190 * pa/t-slibgcc-sjlj-ver: New file.
13191 * pa/t-slibgcc-elf-ver: Delete file.
13193 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13195 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13196 unlikely_test_section_p test.
13198 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13200 * mode-switching.c (optimize_mode_switching): Make it static.
13201 * basic-block.h: Remove the prototype for
13202 optimize_mode_switching.
13204 * modulo-sched.c (sms_schedule): Make it static.
13205 * rtl.h: Remove the prototype for sms_schedule.
13207 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13208 * rtl.h: Remove the prototype for gcse_after_reload_main.
13210 * reg-stack.c (reg_to_stack): Make it static.
13211 * rtl.h: Remove the prototype for reg_to_stack.
13213 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13215 * rtl.h: Remove the prototypes for regrename_optimize and
13216 copyprop_hardreg_forward.
13218 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13220 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13221 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13222 Test against the appropriate null constant for the mode.
13223 If 'fixup_overlap' is true, swap the operands if they overlap.
13224 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13225 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13226 alpha_split_tmode_pair and adjust for above change.
13227 * config/alpha/alpha.md (movtf_internal): Adjust call to
13228 alpha_split_tfmode_pair and rely on it to swap the operands.
13229 (movti_internal): New insn and post-reload splitter.
13230 (movti): New expander.
13232 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13234 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13237 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13239 * rtlanal.c (global_reg_mentioned_p_1,
13240 global_reg_mentioned_p): Remove.
13241 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13243 * flow.c (initialize_uninitialized_subregs): Make it static.
13244 * rtl.h: Remove the prototype for
13245 initialize_uninitialized_subregs.
13247 * function.c (instantiate_virtual_regs): Make it static.
13248 * function.h: Remove the prototype for
13249 instantiate_virtual_regs.
13251 * regmove.c (regmove_optimize, combine_stack_adjustments):
13253 * rtl.h: Remove the prototypes for regmove_optimize and
13254 combine_stack_adjustments.
13256 2006-01-17 Roger Sayle <roger@eyesopen.com>
13258 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13259 (size_cost): Encode costs in bytes so that a reg-reg addition is
13260 equivalent to COSTS_N_INSNS(1).
13261 (override_options): Use the size_cost.branch_cost as the default
13262 ix86_branch_cost when optimizing for size.
13264 2006-01-18 Ben Elliston <bje@au.ibm.com>
13266 * Makefile.in (D32PBIT_FUNCS): New.
13267 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13268 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13269 D64PBIT_FUNCS and D128PBIT_FUNCS.
13270 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13271 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13273 (decnumber_dep): Define.
13274 * doc/libgcc.texi (Decimal float library routines): New node.
13275 * config/dfp-bit.h, config/dfp-bit.c: New files.
13277 2006-01-18 Ben Elliston <bje@au.ibm.com>
13279 * expr.c (emit_move_change_mode): Always adjust addresses, not
13280 just during reload. Copy replacements only during reload.
13281 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13282 emit_move_via_integer.
13284 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13286 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13287 instead of $(srcdir) and ${srcdir}.
13289 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13292 PR middle-end/11135
13293 * arm.h (struct machine_function): Add pic_reg.
13294 * arm.c (arm_pic_register): Make unsigned.
13295 (arm_override_options): Only set arm_pic_register if
13296 TARGET_SINGLE_PIC_BASE.
13297 (use_return_insn): Only test for a pic register if it is fixed.
13298 (arm_compute_save_reg0_reg12_mask): Likewise.
13299 (thumb_compute_save_reg_mask): Likewise.
13300 (legitimate_pic_operand): Factor out some known invariants.
13301 (legitimize_pic_address): If we don't have a fixed pic register,
13302 then set up a pseudo in the function entry sequence. Handle the
13303 pic base being in a pseudo.
13304 (arm_load_pic_register): Handle the pic register being in a pseudo.
13305 (arm_expand_prologue): Only set up the pic register if it is fixed.
13306 (thumb_expand_prologue): Likewise.
13307 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13308 (pic_load_addr_based_insn): Likewise.
13309 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13312 2006-01-18 Ben Elliston <bje@au.ibm.com>
13314 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13315 decimal float modes for all floating point registers.
13317 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13318 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13320 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13323 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13324 even when the pointer is not NULL.
13326 2006-01-16 Ian Lance Taylor <ian@airs.com>
13328 * common.opt (ftoplevel-reorder): New option.
13329 * cgraph.c (cgraph_asm_nodes): New global variable.
13330 (cgraph_asm_last_node): New static variable.
13331 (cgraph_order): New global variable.
13332 (cgraph_create_node): Set new order field.
13333 (cgraph_varpool_node): Likewise.
13334 (decide_is_variable_needed): Return true if not
13335 flag_toplevel_reorder.
13336 (cgraph_add_asm_node): New function.
13337 * cgraph.h (struct cgraph_node): Add order field.
13338 (struct cgraph_varpool_node): Add order field.
13339 (struct cgraph_asm_node): Define.
13340 (cgraph_asm_nodes, cgraph_order): Declare.
13341 (cgraph_add_asm_node): Declare.
13342 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13344 (cgraph_varpool_assemble_pending_decls): Call it.
13345 (cgraph_output_pending_asms): New static function.
13346 (cgraph_finalize_compilation_unit): Call it.
13347 (struct cgraph_order_sort): Define.
13348 (cgraph_output_in_order): New static function.
13349 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13350 !flag_toplevel_reorder case.
13351 * c-parser.c: Include "cgraph.h".
13352 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13354 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13355 than -fno-unit-at-a-time.
13356 * doc/invoke.texi (Option Summary): Mention
13357 -fno-toplevel-reorder.
13358 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13359 -funit-at-a-time documentation.
13361 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13362 Kazu Hirata <kazu@codesourcery.com>
13364 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13366 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13368 * Makefile.in (FUNCTION_H): New. Use it instead of
13369 function.h throughout the file.
13370 * function.h: Include tree.h.
13372 2006-01-17 Ben Elliston <bje@au.ibm.com>
13374 * recog.c: Separate some functions with whitespace.
13376 2006-01-16 Richard Henderson <rth@redhat.com>
13378 Merge from gomp branch:
13379 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13380 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13381 and rename from struct inline_data. Rename callee* to dst*;
13382 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13383 transform_new_cfg, transform_return_to_modify, and
13384 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13386 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13387 (copy_decl_for_dup): Remove.
13388 * tree-inline.c (struct inline_data): Move to header.
13389 (insert_decl_map): Export.
13390 (remap_decl): Update for member name changes. Use copy_decl hook.
13391 Allow for replacement to be a non-decl. Remove dead code.
13392 (remap_type_1): Check for existing mapping.
13393 (remap_type): Export.
13394 (remap_decls): Update for member name changes.
13395 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13396 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13397 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13398 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13399 (tree_function_versioning, build_duplicate_type): Likewise.
13400 (copy_body_r): Likewise. Export.
13401 (copy_decl_for_dup): Split into ...
13402 (copy_decl_for_dup_finish, copy_decl_to_var,
13403 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13404 (replace_ref_tree, inlining_p): Remove.
13406 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13408 * ifcvt.c (if_convert): Make it static.
13409 * rtl.h: Remove the prototype for if_convert.
13411 * local-alloc.c (local_alloc): Make it static.
13412 * rtl.h: Remove the prototype for local_alloc.
13414 * loop.c (loop_optimize): Make it static.
13415 * cfgloop.h: Remove the prototype for loop_optimize.
13418 2006-01-16 DJ Delorie <dj@redhat.com>
13420 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13423 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13425 * pa.md: Disparage copies between general and floating-point registers
13426 in 32-bit move patterns.
13428 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13431 * Makefile.in (check-%): Depend on site.exp instead of
13432 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13435 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13437 * global.c (global_alloc): Make it static.
13438 * rtl.h: Remove the prototype for global_alloc.
13440 2006-01-16 Richard Guenther <rguenther@suse.de>
13442 * tree-ssa-alias.c (struct used_part): Add write_only field.
13443 (get_or_create_used_part_for): Initialize it to true.
13444 (create_overlap_variables_for): Don't create structure variables
13445 for structures that only are written to.
13446 (find_used_portions): Handle MODIFY_EXPR to track whether a
13447 structure is only written to.
13449 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13451 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13453 * basic-block.h: Remove the prototype for
13454 partition_hot_cold_basic_blocks.
13456 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13458 * cppspec.c (lang_specific_spec_functions): Remove.
13459 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13460 * gcc.h (lang_specific_spec_functions): Remove.
13461 * gccspec.c (lang_specific_spec_functions): Remove.
13463 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13465 * combine.c (record_value_for_reg): Invalidate registers
13467 (record_dead_and_set_regs_1): Likewise, by passing them to
13468 record_value_for_reg.
13469 (record_dead_and_set_regs): Invalidate stores made by a
13470 call. We do not combine across a call, but we still
13471 relied on equivalences.
13473 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13475 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13476 vrp_int_const_binop returning non-constant nodes.
13478 2006-01-16 Paul Brook <paul@codesourcery.com>
13480 * config/m68k/m68k.c (output_move_const_into_data_reg):
13481 Output correct mnemonic for mvz and mvs.
13483 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13485 * rtl-factoring.c: Add sequence abstraction algorithm.
13486 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13487 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13489 (block_has_preserve_label): New function.
13490 * common.opt: Register new pass.
13491 * Makefile.in: Ditto.
13493 * timevar.def: Ditto.
13494 * tree-pass.h: Ditto.
13495 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13496 * rtl.h (make_jump_insn_raw): Add forward decl.
13497 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13499 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13500 Roger Sayle <roger@eyesopen.com>
13502 * fold-const.c (fold_minmax): New static function.
13503 (fold_binary) <MIN_EXPR>: Call it.
13504 <MAX_EXPR>: Likewise.
13505 * stor-layout.c (place_field): Use DECL_SIZE consistently
13506 in the computation of the new record size.
13508 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13510 * cse.c (cse_condition_code_reg): Make it static.
13511 * rtl.h: Remove the prototype for cse_condition_code_reg.
13513 * combine.c (combine_instructions): Make it static.
13514 * rtl.h: Remove the prototype for combine_instructions.
13516 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13519 * tree.c (get_file_function_name_long): Concatenate the first global
13520 object name with a string derived from the input filename of the object
13523 2006-01-16 Ben Elliston <bje@au.ibm.com>
13525 * config/i386/winnt-stubs.c: Update FSF address.
13526 * config/xtensa/ieee754-df.S: Ditto.
13527 * config/xtensa/ieee754-sf.S: Ditto.
13529 2006-01-14 Ian Lance Taylor <ian@airs.com>
13531 * ifcvt.c (noce_init_if_info): New static function, broken out of
13532 noce_process_if_block.
13533 (noce_process_if_block): Call noce_init_if_info.
13534 (check_cond_move_block): New static function.
13535 (cond_move_process_if_block): New static function.
13536 (process_if_block): Call cond_move_process_if_block.
13538 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13540 * cselib.c (hash_table): Rename to cselib_hash_table.
13541 (cselib_clear_table, discard_useless_values,
13542 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13543 cselib_init, cselib_finish): Adjust uses of hash_table.
13545 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13547 PR tree-optimization/25485
13548 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13549 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13550 is known to be false and true, respectively.
13552 2006-01-14 Richard Guenther <rguenther@suse.de>
13554 PR tree-optimization/22548
13555 PR tree-optimization/22555
13556 PR tree-optimization/22501
13557 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13558 * params.def (salias-max-array-elements): New parameter.
13559 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13560 * doc/invoke.texi (salias-max-array-elements): Document.
13561 * tree-flow-inline.h (var_can_have_subvars): We also handle
13563 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13565 * tree-ssa-structalias.c (params.h): Include.
13566 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13567 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13568 (get_constraint_for): For ADDR_EXPR operating on something
13569 containing an ARRAY_REF, add all subvars to the solution.
13570 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13571 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13572 for creating MUST_DEFs.
13573 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13575 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13577 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13579 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13580 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13581 number_of_iterations_le): New functions.
13582 (number_of_iterations_special): Removed.
13583 (number_of_iterations_exit): Do not use number_of_iterations_special.
13584 * tree.c (unsigned_type_for): Always return integer type.
13586 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13587 Richard Guenther <rguenther@suse.de>
13589 PR rtl-optimization/24257
13590 * gcse.c (find_moveable_store): Only consider a store movable
13591 when the SET_SRC of the insn can be assigned to a register.
13593 2006-01-14 Ian Lance Taylor <ian@airs.com>
13595 * tree.c (tree_not_class_check_failed): New function.
13596 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13597 (tree_not_class_check_failed): Declare.
13599 2006-01-13 Ian Lance Taylor <ian@airs.com>
13601 * reload1.c (do_output_reload): Add assertion rejecting a
13604 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13606 * combine.c (struct reg_stat): Add new fields truncation_label and
13608 (record_value_for_reg): Reset truncated_to_mode.
13609 (record_truncated_value): New function.
13610 (check_promoted_subreg): Call it. Rename to check_conversions.
13611 (combine_instructions): Rename check_promoted_subreg to
13613 (reg_truncated_to_mode): New function.
13614 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13615 (gen_lowpart_or_truncate): New function.
13616 (force_to_mode): Use it instead of gen_lowpart.
13618 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13620 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13621 VAR is a tag, not its type tag.
13623 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13625 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13626 alternatives to match style of other entries.
13627 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13629 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13631 PR tree-optimization/25771
13632 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13635 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13638 * tree-inline.c (declare_return_variable): If the return variable
13639 was marked as a non gimple complex, set the return slot variable
13640 to be a non gimple comple variable.
13642 2006-01-13 Richard Guenther <rguenther@suse.de>
13644 * builtins.c (expand_builtin_sincos): New function.
13645 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13647 (expand_builtin): Expand sincos using expand_builtin_sincos.
13649 2006-01-12 DJ Delorie <dj@redhat.com>
13651 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13652 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13653 so that constant shifts can be split.
13654 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13655 (m32c_valid_pointer_mode): Make static.
13656 (shift_gen_func_for): New.
13657 (m32c_prepare_shift): Use it. Split large const shifts into
13659 * config/m32c/predicates.md (shiftcount_operand): Allow more
13661 (longshiftcount_operand): New.
13662 * doc/md.texi (Machine Constraints): Document In6.
13664 2006-01-13 Ben Elliston <bje@au.ibm.com>
13666 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13667 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13670 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13672 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13673 to try to avoid clobbering pieces of structures when we know
13674 something about the whole structure.
13675 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13677 2006-01-13 Ben Elliston <bje@au.ibm.com>
13679 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13680 return in memory, as this is no limitation is no longer present.
13682 2006-01-12 DJ Delorie <dj@redhat.com>
13684 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13685 mova with fb, and for fb+0 -> An.
13687 * config/m32c/mov.md (peephole2): Fix enabling logic.
13689 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13690 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13691 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13692 FINI_ARRAY_SECTION_ASM_OP): Define.
13694 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13696 (m32c_legitimize_reload_address): New logic to reload FB to An.
13697 (m32c_output_reg_push): Add newline.
13698 (m32c_output_reg_pop): Likewise.
13700 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13702 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13704 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13706 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13708 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13710 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13713 2006-01-11 Ben Elliston <bje@au.ibm.com>
13715 * rtlanal.c (find_reg_note): Assert insn is not null.
13717 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13719 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13722 2006-01-11 Jeff Law <law@redhat.com>
13724 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13726 (mark_threaded_blocks, register_jump_thread): New functions.
13727 (thread_through_all_blocks): Remove unwanted argument. No
13728 longer rely on e->aux to communicate thread target info.
13729 Call mark_threaded_blocks. Release the threaded_blocks
13730 bitmap and threaded_edges vector when complete.
13731 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13732 (threaded_blocks): Remove.
13733 (tree_ssa_dominator_optimize): Remove initialization and
13734 finalization of threaded_blocks. Simplify call to
13735 thread_through_all_blocks.
13736 (thread_across_edge): Call register_jump_thread rather than
13737 storing thread information into e->aux.
13738 (free_all_edge_infos): Simplify now that e->aux is no longer
13739 used to communicate with thread_through_all_blocks.
13740 * tree-flow.h (thread_through_all_blocks): Update prototype.
13741 (register_jump_thread): Prototype.
13743 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13745 * df-core.c (df_compact_blocks, df_bb_replace): Use
13746 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13748 2006-01-11 Richard Guenther <rguenther@suse.de>
13750 PR tree-optimization/25734
13751 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13752 stop propagation after successful propagation to the LHS.
13754 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13756 * basic-block.h (control_flow_graph): Change the type of
13757 x_basic_block_info to VEC(basic_block,gc) *.
13758 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13760 (SET_BASIC_BLOCK): New.
13761 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13762 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13763 * cfgbuild.c (find_basic_blocks): Likewise.
13764 * cfglayout.c (fixup_reorder_chain): Likewise.
13765 * cfgrtl.c (create_basic_block_structure,
13766 rtl_create_basic_block): Likewise.
13767 * ifcvt.c (find_if_case_1): Likewise.
13768 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13771 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13773 * Makefile.in: Removed rotted odf.c entry.
13775 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13778 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13779 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13780 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13781 output pattern modifier, not %e.
13782 * config/cris/cris.c (cris_op_str): Update comment about pattern
13784 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13785 before falling through into...
13786 <case 'E'>: Redefined from old 'e' case.
13788 2006-01-11 Jan Hubicka <jh@suse.cz>
13791 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13793 2006-01-11 Jan Hubicka <jh@suse.cz>
13795 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13796 * i386.c (x86_decompose_lea): Kill.
13797 (ix86_rtx_costs): Kill.
13799 2006-01-11 Jan Hubicka <jh@suse.cz>
13801 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13802 * cgraph.h (cgraph_node): Add inline_decl.
13803 (cgraph_insert_node_to_hashtable): Declare.
13804 (save_inline_function_body): Declare.
13805 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13807 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13808 (cgraph_function_versioning): Update call of tree_function_versioning.
13809 (save_inline_function_body): New function.
13810 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13811 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13812 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13813 (cgraph_default_inline_p): Likewise.
13814 (cgraph_decide_inlining_incrementally): Likewise.
13815 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13816 (copy_bb): Kill saving; do updating of clones.
13817 (copy_cfg_body): Kill saving.
13818 (initialize_inlined-parameters): Likewise.
13819 (expand_call_inline): Likewise.
13821 (tree_function_versioning): New parameter "update_clones".
13822 (inlining_p): Kill saving.
13823 * tree-inline.h (tree_function_versioning): Update prototype.
13824 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13827 2006-01-11 Ian Lance Taylor <ian@airs.com>
13829 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13830 Allow undoing set of machine mode.
13831 (do_SUBST): Use enums instead of is_int.
13832 (do_SUBST_MODE): New function.
13833 (SUBST_MODE): New macro.
13834 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13835 reg and trying to replace reg_regno_rtx with a new register.
13836 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13837 (simplify_set): Use SUBST_MODE.
13838 (distribute_notes): Remove code that tried to update reg notes
13839 for regno_reg_rtx changes.
13841 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13843 PR tree-optimization/23109
13844 PR tree-optimization/23948
13845 PR tree-optimization/24123
13847 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13848 * tree-cfg.c (single_noncomplex_succ): New.
13849 * tree-flow.h (single_noncomplex_succ): Declare it.
13850 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13851 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13852 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13853 insert_bb, register_division_in, insert_reciprocals,
13854 replace_reciprocal, free_bb): New.
13855 (execute_cse_reciprocals_1): Rewritten.
13856 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13857 Do not commit any edge insertion. Always compute dominators and
13858 create the allocation pool.
13859 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13860 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13861 * targhooks.c (default_min_divistions_for_recip_mul): New.
13862 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13863 * passes.c (init_optimization_passes): Run recip after tree loop
13865 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13867 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13868 Kenneth Zadeck <zadeck@naturalbridge.com>
13870 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13871 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13872 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13873 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13874 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13875 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13876 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13877 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13878 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13879 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13880 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13881 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13882 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13883 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13884 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13885 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13886 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13887 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13888 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13889 DF_SCAN_POST_ALLOC): New macros.
13890 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13891 df_free_bb_function, df_local_compute_function, df_init_function,
13892 df_dataflow_function, df_confluence_function_0,
13893 df_confluence_function_n, df_transfer_function,
13894 df_finalizer_function, df_free_function, df_dump_problem_function,
13895 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13896 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13897 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13898 df_urec_bb_info, ) New types.
13899 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13901 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13902 df_analyze_simple_change_some_blocks,
13903 df_analyze_simple_change_one_block, df_compact_blocks,
13904 df_bb_replace, df_bb_regno_last_use_find,
13905 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13906 df_insn_regno_def_p, df_find_def, df_find_use,
13907 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13908 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13909 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13910 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13911 debug_df_chain, df_get_dependent_problem, df_chain_create,
13912 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13913 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13914 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13915 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13916 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13917 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13918 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13919 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13920 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13921 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13922 df_reorganize_refs, df_set_state, df_hard_reg_init,
13923 df_read_modify_subreg_p) New public functions.
13924 * df-core.c: The core dataflow solver and glue routines for rtl
13926 (df_init, df_add_problem, df_set_blocks, df_finish,
13927 df_hybrid_search_forward, df_hybrid_search_backward,
13928 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13929 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13930 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13931 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13932 df_reg_defined, df_find_use, df_reg_used, df_dump,
13933 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13934 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13935 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13936 debug_df_useno, reset_df_after_reload): New functions.
13937 * df-scan.c: The scanning fuctions, once in df.c, completely
13938 rewritten so that they now fully model the functionality of
13939 register usage at the backend.
13940 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13941 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13942 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13943 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13944 df_get_artificial_defs, df_get_artificial_uses,
13945 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13946 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13947 df_refs_delete, df_reorganize_refs, df_set_state,
13948 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13949 df_def_record_1, df_defs_record, df_uses_record,
13950 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13951 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13952 df_record_exit_block_uses, df_hard_reg_init): New functions.
13954 * df-problems.c: Seven concrete dataflow problems that use the
13955 scanning in df-scan.c and are solved by the engine in df-core.c.
13956 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13957 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13958 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13959 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13960 df_ru_free_bb_info, df_ru_alloc,
13961 df_ru_bb_local_compute_process_def,
13962 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13963 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13964 df_ru_transfer_function, df_ru_free, df_ru_dump,
13965 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13966 df_rd_free_bb_info, df_rd_alloc,
13967 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13968 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13969 df_rd_transfer_function, df_rd_free, df_rd_dump,
13970 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13971 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13972 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13973 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13974 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13975 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13976 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13977 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13978 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13979 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13980 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13981 df_urec_mark_reg_use_for_earlyclobber,
13982 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13983 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13984 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13985 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13986 df_chain_create_bb_process_use, df_chain_create_bb,
13987 df_chain_finalize, df_chain_free, df_chains_dump,
13988 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13989 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13990 df_reg_lifetime): New functions.
13991 * df.c: Deleted file.
13992 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13993 consistent with new df api.
13994 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13995 rest_of_handle_sms): Ditto.
13996 * web.c (unionfind_union, union_defs, entry_register, web_main):
13998 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13999 invariant_expr_equal_p, find_defs, check_dependencies,
14000 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14001 free_inv_motion_data, move_loop_invariants): Ditto.
14002 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14003 Update dependencies.
14004 (odf.c): Added defective entry that was deleted later in day.
14005 * sched-deps.c (sched_analyze_1): Ditto.
14007 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14009 * tree-ssa-operands.c (get_expr_operands): Record addressable
14010 variables directly. Do not call add_stmt_operands for CONST_DECLs
14012 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14013 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14015 2006-01-11 Ben Elliston <bje@au.ibm.com>
14017 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14018 function returns true in the positive case.
14020 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14023 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14024 for SI, DI, SF and DF modes. Add alternatives to copy between
14025 general and floating point registers to the 32-bit patterns.
14026 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14027 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14028 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14029 generating 64-bit code.
14030 * config/pa/pa.c (output_move_double): Handle copies between general
14031 and floating registers.
14033 2006-01-10 Stuart Hastings <stuart@apple.com>
14035 * config/i386/i386.md (set_got): Update.
14036 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14037 (builtin_setjmp_receiver): Mach-O support.
14038 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14039 (GOT_SYMBOL_NAME): Define.
14040 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14041 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14042 * config/i386/i386.c (override_options): Revise for Darwin.
14043 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14044 support. (darwin_x86_file_end): New. (output_set_got): Add label
14045 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14046 * config/i386/i386-protos.h (output_set_got): Likewise.
14047 * config/darwin.c (machopic_legitimize_pic_address): Update
14050 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14052 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14053 when MODE isn't BLKmode.
14055 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14057 PR rtl-optimization/25367
14058 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14060 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14063 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14064 for a negative bound.
14066 2006-01-10 Richard Guenther <rguenther@suse.de>
14068 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14069 Never override with anything constraint.
14071 2006-01-10 Jan Beulich <jbeulich@novell.com>
14073 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14074 256 bits when optimize_size.
14076 2006-01-10 Jan Beulich <jbeulich@novell.com>
14078 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14080 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14081 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14084 2006-01-10 Ben Elliston <bje@au.ibm.com>
14086 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14088 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14089 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14090 (USE_FP_FOR_ARG): Reject decimal float modes.
14091 (function_arg_advance): Likewise.
14092 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14093 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14094 point types in AltiVec vectors.
14095 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14096 (rs6000_libcall_value): Likewise.
14098 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14100 * config/xtensa/ieee754-df.S: New file.
14101 * config/xtensa/ieee754-sf.S: New file.
14102 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14103 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14104 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14106 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14108 * config/sh/predicates.md (binary_float_operator,
14109 binary_logical_operator, commutative_float_operator,
14110 equality_comparison_operator, greater_comparison_operator,
14111 less_comparison_operator, logical_operator,
14112 noncommutative_float_operator, shift_operator,
14113 symbol_ref_operand, unary_float_operator): Remove redundant
14116 2006-01-09 Jeff Law <law@redhat.com>
14118 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14119 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14120 now unused arguments. Callers updated.
14121 (eliminate_redundant_computations): Remove now unused arguments,
14123 (local_fold): Remove, no longer used.
14124 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14126 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14127 (simplify_cond): New function.
14128 (forward_propagate_into_cond): Call simplify_cond.
14130 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14132 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14133 (*vec_extractv2di_1_sse): New.
14135 2006-01-09 Ben Elliston <bje@au.ibm.com>
14137 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14139 2006-01-08 Richard Guenther <rguenther@suse.de>
14141 * tree-ssa-structalias.c (get_constraint_for): Remove
14142 anyoffset argument.
14143 (get_constraint_for_component_ref): Likewise.
14144 (do_deref): Likewise.
14145 (get_constraint_for): Likewise.
14146 (do_structure_copy): Likewise.
14147 (handle_ptr_arith): Likewise.
14148 (find_func_aliases): Likewise. Remove unused need_anyoffset
14151 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14152 Kaz Kojima <kkojima@gcc.gnu.org>
14154 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14155 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14156 (EXTRA_CONSTRAINT_C16): Remove.
14157 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14158 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14159 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14160 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14161 constants of SHmedia. Handle nested constant expressions of
14163 (andcosts): Fix the costs for SHmedia constants.
14164 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14165 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14166 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14167 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14168 (movv4hi_i, movv2si_i): Likewise.
14169 (movsi_const): Adjust the second operand of ior so to match with
14170 the Csu constraint.
14171 (movdi_const, movdi_const_32bit): Likewise.
14172 (movdi_const_16bit+1): Don't sign-extend LOW.
14173 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14175 (*double_shori): Fix the split condition. Use GEN_INT instead
14176 of get_int_mode calls. Mask lower 16-bit of the argument of
14178 (sym2GOTPLT): Remove.
14179 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14181 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14182 instead of EXTRA_CONSTRAINT_C16.
14184 2006-01-07 Ian Lance Taylor <ian@airs.com>
14185 David Edelsohn <edelsohn@gnu.org>
14187 PR rtl-optimization/25662
14188 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14189 for constant operands instead of simplify_gen_binary.
14190 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14191 after trying simplify_binary_operation
14193 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14195 * tree.c (iterative_hash_expr): Hash decls based on UID.
14197 2006-01-06 Eric Christopher <echristo@apple.com>
14199 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14200 (TARGET_UNWIND_EMIT): Fix spelling.
14201 * target.h (gcc_target): Add except_table_label.
14202 * except.c (output_function_exception_table): Use.
14203 * varasm.c (default_emit_except_table_label): New.
14204 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14206 (asm_out): Add here.
14207 * output.h (default_emit_except_table_label): Prototype.
14208 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14209 * config/darwin.c (darwin_emit_except_table_label): Define.
14210 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14212 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14214 PR tree-optimization/18527
14215 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14216 number_of_iterations_special, number_of_iterations_exit):
14217 Move base and step of an iv to a single structure. Add
14218 no_overflow flag, and use it in # of iterations analysis.
14219 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14220 folded_casts argument.
14221 (simple_iv): Pass base and step in a structure. Set no_overflow
14223 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14224 Evaluate expensiveness of computing # of iterations instead of
14225 the final expression.
14226 * tree-scalar-evolution.h (affine_iv): New structure.
14227 (simple_iv): Declaration changed.
14228 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14229 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14230 find_givs_in_stmt): Changed due to simple_iv change.
14232 2006-01-06 Jeff Law <law@redhat.com>
14235 * tree-cfg.c (bsi_replace): Rename final argument from
14236 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14237 change (stmt -> orig_stmt).
14238 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14239 (bsi_remove): Add new argument. Remove EH information
14241 (verify_eh_throw_table_statements): New function.
14242 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14244 * tree-optimize.c (execute_free_cfg_annotations): Verify
14245 the EH throw statement table after removing annotations.
14246 * except.h (verify_eh_throw_table_statements): Prototype.
14247 * tree-flow.h (bsi_remove): Update prototype.
14248 * tree-vrp.c (remove_range_assertions): Add new argument to
14250 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14251 * tree-complex.c (expand_complex_div_wide): Likewise.
14252 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14253 * tree-tailcall.c (eliminate_tailcall): Likewise.
14254 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14255 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14256 * tree-nrv.c (tree_nrv): Likewise.
14257 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14258 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14259 (combine_blocks): Likewise.
14260 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14261 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14262 (cleanup_control_flow): Likewise.
14263 (remove_forwarder_block): Likewise.
14264 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14265 * tree-sra.c (sra_replace): Likewise.
14266 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14267 (forward_propagate_single_use_vars): Likewise.
14268 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14269 * tree-inline.c (expand_call_inline): Likewise.
14270 * tree-vect-transform.c (vect_transform_loop): Likewise.
14271 * tree-outof-ssa.c (rewrite_trees): Likewise.
14272 * tree-cfg.c (make_goto_expr_edges): Likewise.
14273 (cleanup_dead_labels): Likewise.
14274 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14275 (bsi_move_before, bsi_move_after): Likewise.
14276 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14277 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14279 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14282 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14284 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14285 on non gimple variables. Also add checks at the top for decls and
14287 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14289 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14290 and IMAGPART_EXPR for creating MUST_DEFs.
14291 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14292 and NAME_MEMORY_TAG separately from the DECLs.
14294 2006-01-06 Richard Guenther <rguenther@suse.de>
14296 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14297 annotation, if necessary.
14298 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14299 redundant calls to update_stmt.
14300 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14303 2006-01-05 Richard Henderson <rth@redhat.com>
14305 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14307 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14309 * c-typeck.c: Update copyright date.
14311 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14313 * c-typeck.c (build_c_cast): Always warn when casting
14314 from a pointer to an integer of different size, even if
14315 the node was constant.
14317 2006-01-05 Richard Guenther <rguenther@suse.de>
14319 PR tree-optimization/22555
14320 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14321 if one structure field is an array.
14322 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14323 operands even if we found a subvar, but ignore VOPs in this
14325 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14327 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14329 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14331 PR middle-end/24998
14332 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14334 2006-01-05 Richard Guenther <rguenther@suse.de>
14335 Diego Novillo <dnovillo@redhat.com>
14337 * tree-pass.h (TODO_remove_unused_locals): Define.
14338 * gimple-low.c (expand_var_p, remove_useless_vars,
14339 pass_remove_useless_vars): Remove. Update all users.
14340 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14341 (remove_unused_locals): New function.
14342 * tree-flow.h (remove_unused_locals): Declare.
14343 * passes.c (execute_todo): Call remove_unused_locals if
14344 TODO_remove_unused_locals is set.
14345 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14346 * tree-ssa-dce.c (pass_dce): Likewise.
14347 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14349 2006-01-05 Richard Guenther <rguenther@suse.de>
14351 * tree-flow.h (struct fieldoff): Decompose field to
14352 type, size and decl.
14353 * tree-ssa-alias.c (create_sft): Take type as parameter.
14354 (create_overlap_variables_for): Store type, size and decl
14355 in the fieldoff structure.
14356 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14357 of struct fieldoff.
14358 (push_fields_onto_fieldstack): Likewise.
14359 (create_variable_info_for): Likewise. Use offset for the
14360 SFT name if the decl is not available.
14362 2006-01-04 Paul Brook <paul@codesourcery.com>
14364 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14366 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14368 * lambda-code.c (can_put_in_inner_loop): Relax
14370 (can_put_after_inner_loop): New function.
14371 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14372 (perfect_nestify): Change to make copies and modify uses.
14374 2006-01-04 Richard Henderson <rth@redhat.com>
14376 Merge from gomp branch:
14377 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14378 via integer constant.
14379 (pragma_lex): Remove.
14380 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14381 rather than parsing it.
14382 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14383 handle_pragma_extern_prefix): Add %< %> quotes.
14384 (registered_pragmas): New.
14385 (c_register_pragma_1): New.
14386 (c_register_pragma): Use it.
14387 (c_register_pragma_with_expansion): Likewise.
14388 (c_invoke_pragma_handler): New.
14389 (init_pragma): Use cpp_register_deferred_pragma directly for
14391 * c-pragma.h (enum pragma_kind): New.
14392 (pragma_handler): New.
14393 (c_invoke_pragma_handler): Declare.
14394 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14396 * c-common.h (c_common_pch_pragma): Update decl.
14397 * Makefile.in (c-parser.o): Update dependencies.
14398 (GTFILES): Add c-pragma.h.
14399 * c-parser.c (struct c_token): Add pragma_kind.
14400 (struct c_parser): Add in_pragma.
14401 (c_lex_one_token): Always initialize keyword and pragma_kind.
14402 Extract data for CPP_PRAGMA.
14403 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14404 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14405 Don't allow CPP_PRAGMA_EOL if in_pragma.
14406 (c_parser_consume_pragma): New.
14407 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14408 (c_parser_skip_to_end_of_parameter): Likewise.
14409 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14410 (c_parser_skip_to_pragma_eol): New.
14411 (c_parser_external_declaration): Handle CPP_PRAGMA.
14412 (c_parser_compound_statement_nostart): Likewise.
14413 (c_parser_statement_after_labels): Likewise.
14414 (c_parser_pragma): New.
14415 (pragma_lex): Likewise.
14416 (c_parser_pragma_pch_preprocess): New.
14417 (c_parser_new): Merge into ...
14418 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14420 2006-01-04 Jeff Law <law@redhat.com>
14423 * tree-cfg.c (bsi_replace): Remove the original statement
14424 from the EH throw statement table.
14426 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14428 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14429 make the prototype extern "C" and add throw ().
14432 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14433 and pos non-negative and pos + len <= 32.
14434 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14435 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14436 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14439 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14440 as well as sizes not multiple of component size.
14443 * function.c (instantiate_expr): New function.
14444 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14445 walk its DECL_VALUE_EXPR with instantiate_expr.
14447 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14448 DW_OP_deref{,_size} if address isn't going to be added.
14450 2006-01-04 Ben Elliston <bje@au.ibm.com>
14452 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14453 * config/fp-bit.c: Likewise.
14455 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14457 * dominance.c: Add comment about why we use DFS numbering
14460 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14461 Richard Henderson <rth@redhat.com>
14463 Merge from gomp-branch:
14464 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14465 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14467 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14469 PR rtl-optimization/25578
14470 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14471 pass a parameter to simplify_shift_const if changing ASHIFTRT
14474 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14476 * builtins.c (get_builtin_sync_mem): New function.
14477 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14478 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14479 Call get_builtin_sync_mem to generate mem rtx.
14481 2006-01-03 Richard Guenther <rguenther@suse.de>
14484 * stmt.c (add_case_node): Make sure to clear overflow flags
14487 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14489 Merge from gomp-branch.
14490 * config/sparc/sync.md: New file.
14491 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14492 UNSPECV_LDSTUB): New constants.
14493 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14494 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14495 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14498 2006-01-03 Roger Sayle <roger@eyesopen.com>
14500 * combine.c (reg_subword_p): New predicate to test whether the
14501 destination of a set refers to a subword/piece of a register.
14502 (try_combine): Generalize the code to merge the setting of a
14503 pseudo to a constant followed by a set of a subword of that
14504 register to a constant.
14506 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14508 * basic-block.h (control_flow_graph): Change the type of
14509 x_label_to_block_map to VEC(basic_block,gc) *.
14510 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14511 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14513 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14514 VEC(basic_block,heap) *.
14515 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14516 ssa_prop_fini): Adjust the uses of cfg_blocks.
14518 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14520 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14522 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14523 hashing trees instead of a pointer hash.
14524 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14525 compare for MEM_EXPR.
14527 PR rtl-optimization/25130
14528 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14529 when comparing MEMs for GCSE
14531 2006-01-03 Ben Elliston <bje@au.ibm.com>
14533 * targhooks.h (default_decimal_float_supported_p): Declare.
14534 * targhooks.c (default_decimal_float_supported_p): Define.
14535 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14536 `default_decimal_float_supported_p'.
14537 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14539 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14541 * combine.c (apply_distributive_law <SUBREG>): Check
14542 TRULY_NOOP_TRUNCATION.
14544 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14546 * dwarf2out.c (have_switched_text_section): Delete.
14547 (have_multiple_function_sections): New.
14548 (have_location_lists): Make 'bool'.
14549 (add_AT_loc_list): Use 'true' not '1'.
14550 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14551 (output_loc_list): Use have_multiple_function_sections.
14552 (output_ranges): Likewise.
14553 (dwarf2out_begin_function): Set have_multiple_function_sections if
14555 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14556 Check function_section rather than DECL_SECTION_NAME.
14557 (dwarf2out_finish): Use have_multiple_function_sections.
14558 Don't clear have_location_lists.
14560 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14561 Jan Hubicka <jh@suse.cz>
14563 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14564 case of conditional jump jumping to the next instruction.
14565 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14566 cases of conditional jump jumping to the next instruction.
14568 2006-01-02 Jan Hubicka <jh@suse.cz>
14570 * i386.c (*_cost): Add COSTS_N_INSNS.
14571 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14573 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14576 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14578 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14580 * config/arm/arm.c (all_fpus): Fix comment typo.
14581 * config/darwin.c: Likewise.
14582 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14583 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14584 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14586 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14588 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14589 (rs6000_split_compare_and_swapqhi): New.
14590 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14591 (sync_compare_and_swapqhi_internal): New.
14592 * config/rs6000/rs6000-protos.h: Declare.