1 2006-09-06 Jason Merrill <jason@redhat.com>
4 * tree-inline.c (copy_result_decl_to_var): New fn.
5 (declare_return_variable): Use it. Call declare_inline_vars here.
6 (expand_call_inline): Not here.
8 2006-09-06 Diego Novillo <dnovillo@redhat.com>
10 * doc/contrib.texi: Update my entry.
12 2006-09-06 Nick Clifton <nickc@redhat.com>
14 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
16 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
19 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
20 (canonicalize_induction_variables): Likewise.
21 (tree_unroll_loops_completely): Likewise.
22 (tree_ssa_prefetch_arrays): Likewise.
23 (remove_empty_loops): Likewise.
24 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
25 TODO_cleanup_cfg instead of directly calling
26 cleanup_tree_cfg_loop.
27 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
29 (tree_unroll_loops_completely): Likewise.
30 (remove_empty_loops): Likewise.
31 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
32 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
33 of tree_ssa_unswitch_loops.
34 (tree_ssa_loop_ivcanon): Use the return value of
35 canonicalize_induction_variables.
36 (tree_ssa_empty_loop): Use the return value of
38 (tree_complete_unroll): Use the return value of
39 tree_unroll_loops_completely.
40 (tree_ssa_loop_prefetch): Use the return value of
41 tree_ssa_prefetch_arrays.
42 * passes.c (execute_todo): Before Cleanup CFG, set
43 updating_used_alone and after cleanup CFG, call
44 recalculate_used_alone.
46 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
49 * tree-vect-transform.c (vectorizable_condition): Move the check
50 for the type after the check for simple condition.
52 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
53 Kaz Kojima <kkojima@gcc.gnu.org>
56 * mode-switching.c (optimize_mode_switching): Make the destination
57 block of an abnormal edge have no anticipatable mode. Don't
58 insert mode switching code at the end of the source block of
61 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
63 PR rtl-optimization/26847
64 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
65 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
66 (simplify_plus_minus): Count n_constants while filling ops. Replace
67 qsort with insertion sort. Before going through the array to simplify
68 pairs, sort it. Delay early exit until after the first sort, exiting
69 only if no swaps occurred. Simplify pairs in reversed order, without
70 special-casing the first iteration. Pack ops after simplifying pairs.
72 2006-09-05 Anatoly Sokolov <aesok@post.ru>
74 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
75 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
76 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
77 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
79 2006-09-05 Richard Guenther <rguenther@suse.de>
81 PR tree-optimization/28900
82 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
83 compound conditional before creating COND_EXPR condition.
85 2006-09-05 Richard Guenther <rguenther@suse.de>
87 PR tree-optimization/28905
88 * tree-vrp.c (fix_equivalence_set): Manually implement
89 !value_ranges_intersect_p to also handle symbolic ranges.
91 2006-09-05 Richard Guenther <rguenther@suse.de>
94 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
97 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
99 PR rtl-optimization/27616
100 * cse.c (table_size): New static variable.
101 (new_basic_block): Initialize it to 0.
102 (remove_from_table): Decrement it.
103 (insert): Increment it.
104 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
105 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
106 fold_rtx_mem_1 if under the cap.
107 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
108 the lookup of the equivalent expression and test for equality of the
109 first operand of the equivalent expression before in turn looking up
110 an equivalent constant for the second operand.
112 2006-09-02 Geoffrey Keating <geoffk@apple.com>
115 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
116 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
117 pointer, instead of assuming it is possible to derive the
118 correct args size from a call insn.
120 2006-09-02 Jakub Jelinek <jakub@redhat.com>
123 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
124 (fold_builtin_mempcpy): Rename to...
125 (fold_builtin_memory_op): ... this. Optimize one element copy
127 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
129 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
130 (expand_builtin_memcpy, expand_builtin_mempcpy,
131 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
132 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
133 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
134 BUILT_IN_MEM{CPY,PCPY,MOVE}.
136 2006-09-01 DJ Delorie <dj@redhat.com>
138 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
140 ("stzx_24_<mode>"): Likewise.
141 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
142 ("cmp<mode>_op"): New.
143 (cmp<mode>): Change to expander; just save operands.
145 (b<code>): Change to expander, emit compare here.
146 (s<code>_op): Change to use split and expander.
147 (s<code>_24_op): Likewise.
148 (s<code>_<mode>): New.
149 (s<code>_<mode>_24): New.
150 (movqicc_<code>_<mode): New.
151 (movhicc_<code>_<mode>): New.
154 * config/m32c/m32c.c (compare_op0, compare_op1): New.
155 (m32c_pend_compare): New.
156 (m32c_unpend_compare): New.
157 (m32c_expand_scc): New.
158 (m32c_expand_movcc): Emit the compare also.
159 * config/m32c/predicates.md (mra_nopp_operand): New.
161 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
162 Richard Guenther <rguenther@suse.de>
163 Adam Nemet <anemet@caviumnetworks.com>
166 * builtins.c (get_pointer_alignment): Handle more forms
167 of base addresses that can be used to derive more precise
168 information about alignment.
170 2006-09-01 Jason Merrill <jason@redhat.com>
173 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
176 * gimplify.c (voidify_wrapper_expr): Handle null type.
178 2006-09-01 Josh Conner <jconner@apple.com>
181 * tree-nrv.c (dest_safe_for_nrv_p): New function.
182 (execute_return_slot_opt): Use it.
184 2006-08-31 Josh Conner <jconner@apple.com>
187 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
188 returning aggregates.
190 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
192 PR tree-optimization/28839
193 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
194 blocks in that phi arguments appear.
196 2006-08-31 Roger Sayle <roger@eyesopen.com>
199 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
200 NULL, otherwise use an advance_loc4 to adjust relative to the
202 (output_cfi) <DW_CFA_set_loc>: Update the current label.
203 (dwarf2out_switch_text_section): Reset the current label to avoid
204 using advance_loc4 over section boundaries.
206 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
209 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
210 r12 + SYMBOLIC_CONST.
212 2006-08-30 Richard Guenther <rguenther@suse.de>
214 * Makefile.in (see.o): Add $(EXPR_H) dependency.
216 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
218 PR rtl-optimization/27735
219 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
220 Add new argument to keep track of whether an irreducible region
221 was affected. All callers changed.
222 (fix_irreducible_loops): Removed.
223 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
224 flags were invalidated.
226 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
228 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
229 instead of SF operands.
230 (*fop_df_comm_sse): Likewise.
231 (*fop_df_comm_i387): Likewise.
232 (*fop_df_1_mixed): Likewise.
233 (*fop_df_1_sse): Likewise.
235 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
236 J"orn Rennecke <joern.rennecke@st.com>
238 PR tree-optimization/17506
239 * tree-ssa.c (warn_uninit): If warning about a location outside of
240 the current function, note where the variable was declared.
242 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
244 PR tree-optimization/28411
245 * double-int.c (double_int_div): Use double_int_divmod.
246 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
247 double_int_mod, double_int_smod, double_int_umod): New functions.
248 * double-int.h (double_int_divmod, double_int_sdivmod,
249 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
251 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
253 (get_computation_aff, get_computation_cost_at): Handle double_int
254 return type of constant_multiple_of.
256 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
259 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
260 an implicit conversion.
262 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
264 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
266 2006-08-27 Roger Sayle <roger@eyesopen.com>
268 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
271 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
273 * config/i386/crtfastmath.c: Fix a comment typo.
275 2006-08-26 Roger Sayle <roger@eyesopen.com>
277 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
278 temporary visit flags on CASE_LABEL_EXPRs.
279 * c-common.c (match_case_to_enum): Add function comment. Avoid
280 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
281 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
282 CASE_HIGH_SEEN for enumerated types. If the switch expression is
283 a constant, only warn if that constant value isn't handled.
285 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
288 * input.h (restore_input_file_stack): Declare.
289 (INPUT_FILE_STACK_BITS): Define.
290 * toplev.c (fs_p, input_file_stack_history,
291 input_file_stack_restored, restore_input_file_stack): New.
292 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
293 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
294 (pop_srcloc): Don't free old state of stack.
296 2006-08-26 David Edelsohn <edelsohn@gnu.org>
299 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
300 (PowerPC Type Attributes): New.
302 2006-08-26 Bob Wilson <bob.wilson@acm.org>
304 * config/xtensa/xtensa.c (function_arg_boundary): New.
305 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
307 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
308 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
310 2006-08-26 Jakub Jelinek <jakub@redhat.com>
313 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
316 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
318 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
319 (verify_local_live_at_start): Likewise.
321 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
324 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
325 omp_add_variable): Treat sizes as variable whenever not
328 2006-08-26 Richard Guenther <rguenther@suse.de>
331 * fold-const.c (fold_binary): Fold temporary to correct
332 type before constructing new comparison.
334 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
337 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
338 variable again if DECL_SEEN_IN_BIND_EXPR_P.
340 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
343 * c-decl.c (start_function): Don't try to process prototype
344 information from old declaration that isn't a function.
346 2006-08-25 Jan Hubicka <jh@suse.cz>
349 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
351 2006-08-25 Alan Modra <amodra@bigpond.net.au>
354 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
357 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
359 PR tree-optimization/16876
360 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
361 exit if PARM doesn't match VALUE.
363 2006-08-25 Bob Wilson <bob.wilson@acm.org>
365 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
366 literal_prefix directive.
367 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
368 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
369 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
371 2006-08-25 David Edelsohn <edelsohn@gnu.org>
374 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
375 predicate to general_operand. Add 0->y and I->r alternatives.
377 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
379 * doc/tm.texi: Fix a typo.
380 * predict.c: Fix comment typos.
382 2006-08-25 Nick Clifton <nickc@redhat.com>
384 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
385 assertions of "cpu" and "machine".
387 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
390 * tree-ssa-operands.c (access_can_touch_variable): Don't say
391 the access through a base which has an alias set of 0 cannot
394 2006-08-24 Bill Wendling <wendling@apple.com>
396 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
398 2006-08-24 Jan Hubicka <jh@suse.cz>
400 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
402 2006-08-24 Jan Hubicka <jh@suse.cz>
405 * cgraph.c: Fix comments.
406 (cgraph_varpool_mark_needed_node): Mark only variables not already
408 * cgraphunit.c: Update comments; include gt-cgraphunit.h
409 (cgraph_varpool_assembled_nodes_queue): New static variable.
410 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
411 (cgraph_varpool_output_debug_info): New function.
412 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
413 * Makefile.in: Add gt-cgraphunit.h
415 2006-08-24 Jan Hubicka <jh@suse.cz>
417 * predict.c (probability_reliable_p): New predicate.
418 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
419 (predict_loops): Do not predict loop exit with less than 2%
421 * basic-block.h (edge_probability_reliable_p,
422 br_prob_note_reliable_p): Declare.
423 * ia64.h (ia64_print_operand): Do not disable on-chip branch
424 prediction when static predictor is not reliable.
425 * rs6000.c (output_cbranch): Likewise.
427 2006-08-23 Stuart Hastings <stuart@apple.com>
430 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
431 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
433 2006-08-21 Geoffrey Keating <geoffk@apple.com>
436 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
437 complex values, nor for generic vector values.
439 2006-08-22 Richard Guenther <rguenther@suse.de>
442 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
443 parameter. Convert arguments to arithmetic expression to the
445 (analyze_scalar_evolution_1): Adjust caller.
447 2006-08-22 Jan Hubicka <jh@suse.cz>
449 Patch by Paolo Bonzini
450 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
453 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
455 PR tree-optimization/28003
456 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
457 before grouping aliases.
459 2006-08-22 Roger Sayle <roger@eyesopen.com>
461 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
462 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
464 2006-08-21 Jason Merrill <jason@redhat.com>
467 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
468 wrapper. Loop to handle nested wrappers.
469 (gimplify_bind_expr): Remove temp parameter.
470 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
471 and STATEMENT_LIST on the rhs.
472 (gimplify_statement_list): Voidify the STATEMENT_LIST.
473 (gimplify_expr): Pass pre_p to gimplify_statement_list.
474 (gimplify_target_expr): Remove special BIND_EXPR handling.
476 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
478 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
481 2006-08-21 Olivier Hainque <hainque@adacore.com>
483 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
484 Arrange for the temporary captures of components overlapping the lhs
485 to happen before the lhs is possibly cleared.
487 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
489 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
490 necessary places to pass the correct "number of registers" values
493 2006-08-20 Jan Hubicka <jh@suse.cz>
495 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
496 (create_name_tags): Instead of quadratic checking use hashtable.
497 * bitmap.h: Include hashtab.h.
498 (bitmap_hash): Declare.
499 * bitmap.c (bitmap_hash): New function.
501 2006-08-20 Jan Hubicka <jh@suse.cz>
503 PR rtl-optimization/28071
504 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
506 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
507 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
508 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
509 cgraph_decide_inlining_incrementally): Update use of
510 cgraph_check_inline_limits.
511 * cgraph.c (edge_hash, edge_eq): New function.
512 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
513 cgraph_edge_remove_caller, cgraph_node_remove_callees,
514 cgraph_remove_node): Maintain call site hash.
515 * cgraph.h (struct cgraph_node): Add call_site_hash.
516 (cgraph_set_call_stmt): New function.
518 2006-08-20 Jan Hubicka <jh@suse.cz>
520 PR rtl-optimization/28071
521 * reload1.c (reg_has_output_reload): Turn into regset.
522 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
523 choose_reload_regs, emit_reload_insns): Update to new
524 reg_has_output_reload.
526 2006-08-20 Jan Hubicka <jh@suse.cz>
529 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
531 * cgraphunit.c (cgraph_analyze_function): Don't do so.
533 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
536 * tree.c (handle_dll_attribute): Return early if not a
537 var or function decl.
539 2006-08-18 Joseph Myers <joseph@codesourcery.com>
542 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
543 alignment of SPE vector types.
545 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
547 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
549 2006-08-17 Jakub Jelinek <jakub@redhat.com>
552 * cgraph.h (struct cgraph_node): Remove externally_visible
554 * cgraphunit.c (process_function_and_variable_attributes): Set
555 local.externally_visible rather than externally_visible.
558 * c-common.c (handle_externally_visible_attribute): First look
559 at TREE_CODE and only if it is function or var decl, check for
560 non-public objects. Don't warn for DECL_EXTERNAL.
561 * cgraphunit.c (process_function_and_variable_attributes): Warn
562 if externally_visible attribute is used on non-public object.
564 2006-08-17 Jan Hubicka <jh@suse.cz>
566 PR tree-optimization/27865
567 * reload1.c (forget_marked_reloads): New function.
568 (forget_old_reloads_1): When data are passed, just mark the registers
570 (reload_as_needed): Use the new mechanizm.
572 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
575 * reload.h (reg_equiv_alt_mem_list): New declaration.
576 * reload1.c (reg_equiv_alt_mem_list): New definition.
577 (reload): Initialize it and release it.
578 (delete_output_reload): Use it.
579 * reload.c (push_reg_equiv_alt_mem): New function.
580 (find_reloads_toplev): Call it.
581 (find_reloads_address, find_reloads_address_1): Likewise.
582 (find_reloads_subreg_address): Likewise.
584 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
586 PR rtl-optimization/28489
587 * sched-ebb.c (begin_schedule_ready): Create basic block
589 (advance_target_bb): Skip empty blocks.
590 * haifa-sched.c (bb_note): Make global.
591 * sched-int.h (bb_note): Add prototype.
593 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
595 PR tree-optimization/27865
596 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
598 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
599 fold_used_pointer, pointer_used_p): New functions.
600 (analyze_scalar_evolution_1): Use fold_used_pointer.
601 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
602 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
605 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
608 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
609 or the INTEGER_CST. Fail on a CALL_EXPR.
610 (fold_offsetof): Pass new argument to fold_offsetof_1.
611 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
612 operand into an INDIRECT_REF.
613 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
615 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
617 PR gcov/profile/26570
618 * value-prof.c (static_values): Removed.
619 (tree_find_values_to_profile): Do not set static_values.
620 (find_values_to_profile): Do not free static_values.
621 * profile.c (instrument_values): Do not free the values.
622 (branch_prob): Free the values.
624 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
626 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
628 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
631 * c-typeck.c (build_component_ref): Combine qualifiers of
632 structure or union and field.
634 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
636 PR rtl-optimization/28071
637 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
638 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
639 * tree-into-ssa.c (struct dom_dfsnum): New.
640 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
642 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
643 compute_global_livein.
644 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
645 in phi nodes in the correct blocks.
647 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
649 PR tree-optimization/28364
650 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
652 (fold_affine_expr): New function.
653 (may_eliminate_iv): Use fold_affine_expr.
655 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
658 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
661 2006-08-16 Mike Stump <mrs@apple.com>
663 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
664 * doc/cppopts.texi (-MD): Likewise.
666 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
669 * c-common.c (handle_weak_attribute): Ignore and warn if
670 not a FUNCTION_ or VAR_DECL.
672 2006-07-15 Mike Stump <mrs@apple.com>
675 * c-parser.c (c_parser_typeof_specifier): Don't use
676 c_finish_expr_stmt, open code desired semantics instead.
678 2006-08-15 Nick Clifton <nickc@redhat.com>
680 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
681 fragment to tmake_file only if threads are enabled.
682 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
683 * config/i386/t-gthr-win32: New file. ... here.
685 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
688 * c-parser.c (c_parser_compound_statement_nostart): Reset
689 parser->error after each statement.
691 2006-08-15 Jakub Jelinek <jakub@redhat.com>
694 * omp-low.c (lower_omp_parallel): Convert t to
695 receiver_decl's type.
696 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
697 source before comparison.
700 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
701 to itype in assignment to oldival2.
703 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
707 * c-typeck.c (build_compound_expr): If the second expression
708 is an error mark, then just return an error mark instead of
709 creating a COMPOUND_EXPR.
711 2006-07-14 Mike Stump <mrs@apple.com>
713 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
715 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
717 * c-decl.c, var-tracking.c: Fix comment typos.
719 2006-08-14 Richard Sandiford <richard@codesourcery.com>
721 PR rtl-optimization/28634
722 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
723 for floating-point modes unless flag_unsafe_math_optimizations.
725 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
726 Andrew Pinski <pinskia@physics.uc.edu>
729 * tree.c (build_array_type): Unify array types with
730 unspecified index_type.
731 * c-decl.c (grokdeclarator): Make sure we do not modify a
732 unified incomplete array type.
733 * c-typeck.c (store_init_value): Create distinct type before
734 filling in the index type in an initializer from a compound
737 * c-decl.c (grokdeclarator): Remove code where we copy the
740 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
742 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
743 into account for TODO_dump_cgraph.
744 (TODO_update_ssa_no_phi): Likewise.
745 (TODO_update_ssa_full_phi): Likewise.
746 (TODO_update_ssa_only_virtuals): Likewise.
747 (TODO_remove_unused_locals): Likewise.
748 (TODO_set_props): Likewise.
749 (TODO_update_stmt_usage): Likewise.
751 2006-08-13 Dirk Mueller <dmueller@suse.de>
753 * c-common.c (strict_aliasing_warning): Fix formatting.
755 2006-08-13 Matthias Klose <doko@debian.org>
757 * doc/invoke.texi: Fix spelling errors.
759 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
761 PR rtl-optimization/23454
762 * reorg.c (relax_delay_slots): Update comment.
764 2006-08-11 Richard Guenther <rguenther@suse.de>
767 * simplify-rtx.c (simplify_const_relational_operation):
768 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
771 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
773 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
774 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
776 2006-08-10 Paul Brook <paul@codesourcery.com>
778 * final.c (final_scan_insn): Clear current_insn_predicate before
779 outputting inline asm.
781 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
783 PR tree-optimization/26197
784 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
785 get_ref_base_and_extent and overlap_subvar to add only relevant
786 subvars as may-aliases.
787 (add_may_alias_for_new_tag): New function, factored out of
789 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
790 with additional argument.
791 * tree-flow.h (new_type_alias): Takes additional argument.
793 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
795 * gcov.c (no_data_file): New flag.
796 (read_count_file): Set it if data file not present. Assume counts
798 (output_lines): Don't name the data file, if there wasn't one.
800 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
802 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
803 (rs6000_generate_compare): Tweak comments.
804 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
806 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
808 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
809 (var_debug_decl): New function.
810 (var_reg_set): Follow debug decl link. Add location even if
811 reg is already known to hold some other variable.
812 (var_mem_set): Follow debug decl link.
813 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
814 decl link. Delete other known locations of the variable part
816 (var_reg_delete, var_mem_delete): Delete other known locations
817 of the variable part if requested.
818 (same_variable_part_p): New function.
819 (add_stores): Select MO_COPY when appropriate.
820 (vt_initialize): Handle it.
821 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
822 known locations for MO_SET and MO_CLOBBER.
823 (find_variable_location_part): New function.
824 (set_variable_part, delete_variable_part): Use it.
825 (clobber_variable_part): New function.
826 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
829 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
831 PR tree-optimization/26969
832 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
833 with an empty list of PHIs.
835 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
839 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
842 2006-08-06 Andreas Schwab <schwab@suse.de>
844 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
845 string. Whitespace and comment fixup.
847 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
850 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
854 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
857 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
859 2006-08-04 Jan Hubicka <jh@suse.cz>
863 * reload.c (push_reload): Patch out the mismatching instruction;
865 (find_reload): Bail out if the instruction was patched out.
867 2006-08-04 Jan Hubicka <jh@suse.cz>
869 PR tree-optimization/24888
870 * tree-inline.c (expand_call_inline): Do not re-record variables.
871 (declare_inline_vars): Add variable to unexpanded_var_list.
873 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
874 Roger Sayle <roger@eyesopen.com>
876 PR rtl-optimization/26244
877 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
878 inner_const are negative or greater than or equal to the bitsize of
879 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
880 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
881 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
882 CONST0_RTX (mode) when the new shift count is greater than or equal to
883 to the bitsize of the object being shifted and XEXP (y, 0) has no side
886 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
888 * tree-cfg.c: Fix a comment typo.
890 2006-08-03 Mark Mitchell <mark@codesourcery.com>
893 * varasm.c (output_constant): Give the front end another chance to
894 expand constants, after stripping NOPs.
896 2006-08-03 Jan Hubicka <jh@suse.cz>
898 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
901 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
903 PR tree-optimization/27770
904 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
905 declaration removed (moved to tree-flow.h).
906 (vect_can_force_dr_alignment_p): Likewise.
907 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
908 (moved from tree-vectorizer.h).
909 (vect_can_force_dr_alignment_p): Likewise.
910 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
911 from outside the vectorizer - in particular from cgraph stage.
912 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
913 the alignment of global arrays when -fsection-anchors is enabled.
914 * cgraphunit.c (cgraph_increase_alignment): New function.
915 (cgraph_optimize): Call cgraph_increase_alignment.
917 2006-08-03 David Edelsohn <edelsohn@gnu.org>
920 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
921 not reload a SPE symbol_ref into a lo_sum address.
923 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
926 * dwarf2out.c (prune_unused_types_prune): Move call to
927 prune_unused_types_update_strings to cover the parent DIE also.
929 2006-08-02 Jan Hubicka <jh@suse.cz>
931 PR gcov/profile/28480
932 * tree-cfg.c (change_bb_for_stmt): New function.
933 (tree_merge_blocks, tree_split_blocks): Use it.
935 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
941 * toplev.c (compile_file): Return early on errorcount or sorrycount.
942 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
943 (cgraph_optimize): Likewise.
945 2006-08-01 Stuart Hastings <stuart@apple.com>
947 * rtl.h (UINTVAL) New.
948 * config/rs6000/rs6000.c (SMALL_INT) Use it.
949 * testsuite/gcc.dg/20060801-1.c: New.
951 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
954 * c-typeck.c (build_external_type): Mark used enum types.
955 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
957 (gen_subprogram_die): Whitespace fix.
959 2006-08-01 Jan Hubicka <jh@suse.cz>
961 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
962 bitmap when not needed.
963 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
966 2006-08-01 Dirk Mueller <dmueller@suse.de>
968 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
970 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
972 * Makefile.in: Revert part of previous patch:
973 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
976 2006-07-30 Eric Christopher <echristo@apple.com>
979 * doc/extend.texi (i386 Variable Attributes): Add anchor.
980 (PowerPC Variable Attributes): New section.
982 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
984 PR target/28126 (partial fix)
985 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
987 2006-07-28 Jan Hubicka <jh@suse.cz>
989 PR rtl-optimization/28071
990 * cfgrtl.c (rtl_delete_block): Free regsets.
991 * flow.c (allocate_bb_life_data): Re-use regsets if available.
993 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
995 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
996 and variables used in dependencies.
998 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1000 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1001 %fs for -mcmodel=kernel.
1002 (stack_tls_protect_test_di): Likewise.
1004 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1006 * Makefile.in: Use mkinstalldirs.
1008 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1011 * opts-common.c (prune_options): Skip joined switches.
1013 2006-07-27 Jan Hubicka <jh@suse.cz>
1015 PR rtl-optimization/28071
1016 * cselib.c (cselib_process_insn): Don't remove useless values too
1017 often for very large hashtables.
1019 2006-07-27 Jan Hubicka <jh@suse.cz>
1021 PR rtl-optimization/28071
1022 * global.c (greg_obstack): New obstack.
1023 (allocate_bb_info): Use it.
1024 (free_bb_info): Likewise.
1025 (modify_reg_pav): Likewise.
1027 2006-07-27 Roger Sayle <roger@eyesopen.com>
1029 * builtins.c (fold_fixed_mathfn): When long and long long are the
1030 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1031 functions to their lceil*, lfloor*, lround* and lrint* forms.
1033 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1036 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1038 (rev_branch_insn): Likewise.
1040 2006-07-27 Jan Hubicka <jh@suse.cz>
1042 PR rtl-optimization/28071
1043 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1044 (reg_set_in_bb, max_reg_computed): New static variables.
1045 (regmove_optimize): Free the new array.
1046 (fixup_match_1): Update call of reg_is_remote_constant_p.
1048 2006-07-26 Jan Hubicka <jh@suse.cz>
1050 PR tree-optimization/27882
1051 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1053 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1055 (cgraph_analyze_compilation_unit): Likewise.
1056 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1057 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1058 (cgraph_early_inlinine): Make order garbage collected.
1059 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1061 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1063 * dbxout.c (output_types_sort): Add a comment.
1064 (output_used_types): Free the VEC.
1066 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1068 * function.c (reorder_fix_fragments): Delete.
1069 (reorder_blocks): Don't call it.
1070 (reorder_blocks_1): Put all subblocks under the origin block.
1072 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1074 PR rtl-optimization/27907
1075 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1078 2006-07-25 Roger Sayle <roger@eyesopen.com>
1081 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1082 bar(x) check that bar's result type can represent all the values of T.
1084 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1086 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1088 2006-07-25 Nick Clifton <nickc@redhat.com>
1090 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1091 size_lookup[] array.
1092 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1093 (ggc_pch_count_object): Likewise.
1094 (ggc_pch_alloc_object): Likewise.
1095 (ggc_pch_write_object): Likewise.
1096 (init_ggc): Do not attempt to initialize entries in the
1097 size_lookup[] array for objects whose size is greater than than
1098 the length of the array.
1100 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1102 * dbxout.c (output_used_types_helper): Push queued types
1104 (output_types_sort): New.
1105 (output_used_types): Collect used types on a VEC and sort them
1108 2006-07-24 Richard Guenther <rguenther@suse.de>
1111 * cgraph.c (cgraph_remove_node): Do not check if dumps
1113 * cgraphunit.c (cgraph_optimize): Likewise.
1115 2006-07-24 Jan Hubicka <jh@suse.cz>
1117 PR rtl-optimization/28071
1118 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1119 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1120 splitting before first stmt.
1122 2006-07-24 Jan Hubicka <jh@suse.cz>
1124 PR rtl-optimization/28071
1125 * ipa-inline.c (update_caller_keys): Remove edges that
1126 are no longer inline candidates.
1128 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1131 * dbxout.c (output_used_types_helper, output_used_types): New.
1132 (dbxout_symbol): Call output_used_types.
1134 2006-07-23 Jan Hubicka <jh@suse.cz>
1138 * cgraph.c (cgraph_varpool_nodes): Export.
1139 (decide_is_variable_needed): Ignored "used" attribute in
1140 unit-at-a-time mode.
1141 * cgraph.h (cgraph_varpool_nodes): Declare.
1142 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1143 unit-at-a-time mode.
1145 2006-07-23 Roger Sayle <roger@eyesopen.com>
1148 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1149 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1150 the __gthrw form of thr_keycreate.
1151 (__gthread_key_delete): Silence the unused argument warning.
1153 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1156 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1157 Cache the last found '\0' marker to avoid quadratic behavior.
1159 2006-07-23 Jan Hubicka <jh@suse.cz>
1161 * i386.md (subsi_3_zext): Fix output template.
1163 2006-07-21 Mike Stump <mrs@apple.com>
1165 * doc/invoke.texi (C++ Dialect Options): Note that
1166 -fvisibility-inlines-hidden doesn't affect explicitly
1167 instantiationed inline methods.
1169 2006-07-20 Roger Sayle <roger@eyesopen.com>
1171 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1172 if the target assembler is GNU binutils' gas.
1173 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1174 whether to pass GNU gas or native as command line options.
1176 2006-07-20 Jason Merrill <jason@redhat.com>
1178 * tree.c (remove_attribute): New fn.
1179 * tree.h: Declare it.
1181 2006-07-20 Paul Brook <paul@codesourcery.com>
1184 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1185 they are invalidated by this instruction.
1187 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1190 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1192 2006-07-20 Eric Christopher <echristo@apple.com>
1195 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1197 2006-07-19 Eric Christopher <echristo@apple.com>
1199 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1200 Rewrite dependencies for libgcc_s.1.dylib.
1202 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1204 * except.c (duplicate_eh_regions_1): Clear next_peer.
1206 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1208 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1209 -mlongcall does not guarantee all calls will be long.
1210 * doc/extend.texi (long_call/short_call): Document that longcall
1211 does not guarantee a long call will be used.
1212 (longcall/shortcall): Likewise.
1214 2006-07-18 Roger Sayle <roger@eyesopen.com>
1217 * expmed.c (expand_shift): Additionally check that the shift_cost
1218 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1219 before implementing a LSHIFT_EXPR as a sequence of additions.
1220 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1221 middle-end that DImode shifts need to be synthesized by expand.
1223 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1226 * tree-ssa-operands.c (access_can_touch_variable): Update
1228 Return true if ALIAS is .GLOBAL_VAR.
1230 2006-07-18 David Daney <ddaney@avtrex.com>
1232 * gcc.c (display_help): Fix typo in help text.
1234 2006-07-18 Olivier Hainque <hainque@adacore.com>
1236 * tree.h (categorize_ctor_elements): Adjust prototype and add
1237 descriptive comment, both in accordance with the interface change
1239 * varasm.c (constructor_static_from_elts_p): New function.
1240 Whether a constructor node is a valid static constant initializer
1241 if all its elements are.
1242 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1243 * output.h: Declare it.
1244 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1245 is a valid constant initializer instead of computing the number of
1246 non-constant elements. Use constructor_static_from_elts_p for this
1247 purpose. Replace the head comment with an indication that this is a
1248 helper for categorize_ctor_elements.
1249 (categorize_ctor_elements): Same interface change as for the _1
1250 helper. Former head comment from this helper moved here, adjusted to
1251 account for the interface changes.
1252 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1253 (all_zeros_p): Likewise.
1254 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1255 static versions of the constructor from the categorize_ctor_elements
1256 return value instead of the formerly computed number of non-constant
1259 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1261 * configure: Regenerate.
1262 * Makefile.in (build_libsubdir): New configure substitution
1263 (build_libobjdir): New variable.
1264 (BUILD_LIBIBERTY): Use it.
1266 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1269 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1271 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1274 * c-common.c (handle_weakref_attribute): Ignore attribute in
1275 the same conditions the alias attribute is ignored.
1277 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1279 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1280 (dbxout_begin_prologue): Increment scope_labelno.
1282 2006-07-17 Richard Henderson <rth@redhat.com>
1285 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1288 2006-07-17 Roger Sayle <roger@eyesopen.com>
1289 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1291 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1292 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1293 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1294 functions such as sbrk, write, etc.. Add function prototypes.
1295 Convert function declarations from K&R to ISO C. Cast pointers
1296 to "long" and "unsigned long" instead of "int" and "unsigned int".
1297 Convert tokens following #endif into comments.
1299 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1301 * invoke.texi: Remove mention of f77; Reformat table for
1302 inline parameter options correctly; mention that -malign-double
1303 is default on x86-64 targets.
1305 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1307 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1308 (convert_affine_scev, chrec_convert_aggressive): Use
1309 avoid_arithmetics_in_type_p. Do not check for the subtypes
1312 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1315 * optabs.c (expand_doubleword_shift): Wrap the call to
1316 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1318 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1321 * optabs.c (expand_binop): Pass next_methods rather than methods
1322 to expand_doubleword_shift.
1324 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1327 * tree.h (dump_addr): Declare.
1328 * print-tree.c (dump_addr): New function.
1329 (print_node_brief, print_node): Use it.
1330 * print-rtl.c (print_rtx): Likewise.
1331 * common.opt (-fdump-noaddr): New option.
1332 * doc/invoke.texi (-fdump-noaddr): Document.
1333 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1334 (ve_info_hash): Likewise.
1336 2006-07-13 Andrew Haley <aph@redhat.com>
1338 PR tree-optimization/19505
1339 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1340 edge leaving this block, make sure that the destination of this
1341 block has only one predecessor.
1343 2006-07-17 Richard Guenther <rguenther@suse.de>
1345 PR tree-optimization/28238
1346 * tree-inline.c (copy_bb): Check if we produced valid
1347 gimple copying and substituting a stmt. If not, gimplify
1350 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1352 * optabs.c (maybe_encapsulate_block): New function extracted from...
1353 (emit_libcall_block): ...here. Invoke it on the block of insns to
1354 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1355 (emit_no_conflict_block): Likewise.
1357 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1359 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1361 2006-07-15 Roger Sayle <roger@eyesopen.com>
1363 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1364 a new NOP_EXPR case of the switch statement.
1366 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1369 * stor-layout.c (place_field): Take the bit field with
1370 an excessive size into account in the ms-bitfiled case.
1373 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1374 the previous bit field.
1376 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1379 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1381 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1383 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1384 signal frames correctly even when the signal was installed with
1387 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1389 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1390 (dbxout_function_end): Use local label LFBB. Remove hook
1392 (dbxout_source_line): Use local label LFBB.
1393 (dbxout_block): Likewise.
1394 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1395 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1396 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1397 and DBX_OUTPUT_NFUN.
1399 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1401 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1403 2006-07-13 Jan Hubicka <jh@suse.cz>
1405 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1407 * output.h (align_variable): Declare.
1408 * varasm.c (align_variable): Export.
1409 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1410 when basic block changed.
1412 2006-07-13 Nick Clifton <nickc@redhat.com>
1414 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1415 walking the LOG_LINKS chain.
1417 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1419 * doc/invoke.texi (C++ Dialect Options): Explain difference
1420 between -fvisibility-inlines-hidden and setting hidden
1421 visibility explicitly.
1423 2006-07-12 Eric Christopher <echristo@apple.com>
1425 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1426 (stmp-lipo): Depend on libgcc.a.
1428 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1430 * tree.c: Fix a comment typo.
1432 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1434 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1436 (umulhisi3_r): Likewise.
1438 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1441 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1442 x < 19, vs wchar_t support.
1444 2006-07-12 Nick Clifton <nickc@redhat.com>
1446 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1447 instead of -isa=sh4.
1449 2006-07-12 Mike Stump <mrs@apple.com>
1451 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1453 2006-07-10 Eric Christopher <echristo@apple.com>
1455 * config/t-slibgcc-darwin: Rewrite.
1457 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1460 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1463 2006-07-08 Matthias Klose <doko@debian.org>
1465 * doc/sourcebuild.texi: Fix typo.
1467 2006-07-07 Mike Stump <mrs@apple.com>
1469 * toplev.c (process_options): Don't give -ffunction-sections may
1470 affect debugging warning for Mach-O.
1472 2006-07-07 James E Wilson <wilson@specifix.com>
1474 * config/mips/mips.md (cpu): Add sb1a.
1475 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1476 addition to sb1. Adjust comments to clarify SB-1A differences from
1478 (ir_sb1a_load): New. Modify bypasses to use it.
1479 (ir_sb1a_simple_alu): Likewise.
1480 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1481 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1482 (mips_issue_rate): Add PROCESSOR_SB1A.
1483 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1484 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1485 (TARGET_SB1): Add PROCESSOR_SB1A check.
1486 (TUNE_SB1): Likewise.
1488 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1489 * config/mips/mips.c (mips_store_data_bypass_p): New.
1490 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1491 store_data_bypass_p.
1493 2006-07-08 Paul Brook <paul@codesourcery.com>
1496 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1498 2006-07-07 Richard Guenther <rguenther@suse.de>
1501 * tree.h (build_one_cst): Declare.
1502 * tree.c (build_one_cst): New function.
1503 * tree-ssa-math-opts.c (get_constant_one): Remove.
1504 (insert_reciprocals): Use build_one_cst.
1505 * fold-const.c (fold_plusminus_mult): Likewise.
1507 2006-07-07 Roger Sayle <roger@eyesopen.com>
1509 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1510 * cfgloopanal.c (dump_graph): Likewise.
1511 * dojump.c (discard_pending_stack_adjust): Likewise.
1512 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1514 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1515 * function.c (finalize_block_changes): Likewise.
1516 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1517 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1518 * rtl.c (dump_rtx_statistics): Likewise.
1519 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1521 * varray.c (dump_varray_statistics): Likewise.
1522 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1523 decode_decimal64, encode_decimal128, decode_decimal128,
1524 decimal_real_to_decimal): Likewise.
1526 2006-07-07 Richard Guenther <rguenther@suse.de>
1528 PR tree-optimization/28187
1529 * tree-vrp.c (vrp_operand_equal_p): New function.
1530 (vrp_bitmap_equal_p): Likewise.
1531 (update_value_range): Use them to compare old and new
1534 2006-07-06 Roger Sayle <roger@eyesopen.com>
1536 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1537 a default case to switch statement to silence compiler warnings.
1539 2006-07-06 Roger Sayle <roger@eyesopen.com>
1542 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1543 the configured assembler supports the x87's ffreep mnemonic.
1544 * configure: Regenerate.
1545 * config.in: Regenerate.
1547 * config/i386/i386.c (output_387_ffreep): New function.
1548 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1549 (output_387_reg_move): Likewise.
1551 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1553 Port to hosts whose 'sort' and 'tail' implementations
1554 treat operands with leading '+' as file names, as POSIX
1555 has required since 2001. However, make sure the code still
1556 works on pre-POSIX hosts.
1557 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1558 which says you should use "tail -c +N" rather than "tail +Nc".
1559 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1561 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1563 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1566 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1569 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1570 PRE_{INC,DEC} of TFmode.
1572 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1573 Alan Modra <amodra@bigpond.net.au>
1576 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1579 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1582 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1583 Remove duplicate gtu.
1585 2006-07-05 Jason Merrill <jason@redhat.com>
1589 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1590 * c-common.c (handle_packed_attribute): So don't copy it here.
1591 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1593 2006-07-05 Mike Stump <mrs@apple.com>
1595 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1597 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1600 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1602 2006-07-05 Richard Guenther <rguenther@suse.de>
1605 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1606 TARGET_SSE2 targets if using SSE math.
1607 (*absdf2_1): Likewise.
1609 2006-07-05 Richard Guenther <rguenther@suse.de>
1611 PR tree-optimization/28162
1612 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1613 make sure to convert the operands to the correct type.
1615 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1617 PR tree-optimization/28218
1619 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1620 to calculate and free the dominator information.
1622 2006-07-04 Peter O'Gorman <peter@pogma.com>
1624 * mklibgcc.in: chmod 644 before ranlib during install.
1626 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1627 J"orn Rennecke <joern.rennecke@st.com>
1629 * configure.ac (.eh_frame data check): Use diff -b.
1631 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1634 * Makefile.in (BUILD_RTL): Add build/vec.o.
1635 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1636 (build/genextract): Delete.
1637 (build/genautomata): Likewise.
1639 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1642 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1643 128-bit IBM long doubles for ABI_V4.
1645 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1647 * tree.c (range_in_array_bounds_p): New predicate.
1648 * tree.h (range_in_array_bounds_p): Declare it.
1649 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1650 return a less conservative answer.
1651 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1652 and flag 'is_group'.
1653 (IS_ELEMENT_FOR_GROUP): New macro.
1654 (FOR_EACH_ACTUAL_CHILD): Likewise.
1655 (next_child_for_group): New helper function.
1656 (can_completely_scalarize_p): Take into account groups.
1657 (sra_hash_tree): Handle RANGE_EXPR.
1658 (sra_elt_eq): Likewise.
1659 (lookup_element): Be prepared for handling groups.
1660 (is_valid_const_index): Delete.
1661 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1662 instead of is_valid_const_index.
1663 <ARRAY_RANGE_REF>: New case.
1664 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1665 is_valid_const_index.
1666 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1667 (scan_dump): Dump info for groups too.
1668 (decide_instantiation_1): Likewise.
1669 (decide_block_copy): Assert that the element is not a group.
1670 Propagate decision to groups.
1671 (generate_one_element_ref): Handle RANGE_EXPR.
1672 (mark_no_warning): Iterate over actual childs.
1673 (generate_copy_inout): Likewise.
1674 (generate_element_copy): Likewise.
1675 (generate_element_zero): Likewise.
1676 (generate_element_init_1): Likewise.
1677 (dump_sra_elt_name): Handle RANGE_EXPR.
1679 2006-07-03 Roger Sayle <roger@eyesopen.com>
1681 PR tree-optimization/26251
1682 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1683 (thread_block): When optimizing for size refuse to thread jumps
1684 that would require duplication of blocks other than redirection
1687 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1689 * configure.ac: Fix thinko in previous check-in.
1690 * configure: Regenerate.
1692 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1695 * configure.ac (for lang...): Simplify nesting of conditionals.
1696 Test subdir_requires for non-enabled languages. Move processing
1697 of lang_opt_files and lang_tree_fiels below that test.
1698 * configure: Regenerate.
1699 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1701 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1703 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1705 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1707 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1710 2006-06-29 Jason Merrill <jason@redhat.com>
1717 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1718 * c-common.c (c_determine_visibility): Handle it here.
1719 * c-decl.c (finish_decl): Call c_determine_visibility for
1721 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1723 * varasm.c (default_assemble_visibility): Likewise.
1724 * c-common.c (handle_visibility_attribute): Complain about trying
1725 to give visibility to an already defined class, or trying to change
1726 declared visibility. Always attach the attribute.
1731 * attribs.c (decl_attributes): Ignore type-in-place attributes
1732 once the type has been defined.
1734 2006-06-29 Roger Sayle <roger@eyesopen.com>
1737 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1738 to indicate the cpplib has issued an error message for us.
1740 2006-06-29 Asher Langton <langton2@llnl.gov>
1743 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1744 insert a label at the end of an function under Mach-O.
1746 2006-06-29 Eric Christopher <echristo@apple.com>
1747 Evan Cheng <evan.cheng@apple.com>
1749 * predicates.md (vector_all_ones_operand): New.
1750 (nonimmediate_or_sse_const_operand): Ditto.
1751 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1752 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1753 (standard_sse_mode_p): Ditto.
1754 (standard_sse_constant_p): Add case for -1 vector.
1755 (ix86_expand_vector_move): Try to use.
1756 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1757 Call standard_sse_constant_opcode.
1758 (*movv4sf_internal): Ditto.
1759 (*movv2df_internal): Ditto.
1761 2006-06-29 Roger Sayle <roger@eyesopen.com>
1763 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1764 of XEXP to extract the operands of a MATCH_CODE rtx.
1766 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1768 * tree.c (tree_size): Do not waste tail padding in
1769 struct tree_string and make the size be the same as
1770 build_string will generate.
1772 2006-06-28 Jason Merrill <jason@redhat.com>
1775 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1776 may_aliases already in the tag's annotations to the bitmap.
1778 2006-06-28 Roger Sayle <roger@eyesopen.com>
1780 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1782 2006-06-28 Roger Sayle <roger@eyesopen.com>
1784 * genpreds.c (generate_switch_p): New function.
1785 (add_mode_tests): Push the new mode test down inside an AND expr
1786 if this allows the switch-suitable MATCH_CODE to be near the root.
1787 (write_match_code_switch): New function to write a MATCH_CODE as
1789 (write_predicate_stmts): New function to write a predicate RTX
1790 expression as a sequence of statements.
1791 (write_one_predicate_function): Use write_predicate_stmts.
1792 (write_tm_constrs_h): Likewise.
1794 2006-06-26 Fred Fish <fnf@specifix.com>
1796 * config/mips/t-sb1: New file.
1797 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1800 2006-06-26 DJ Delorie <dj@redhat.com>
1802 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1804 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1805 Jayant Sonar <jayants@kpitcummins.com>
1806 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1808 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1809 (subsi3, subsi3_1, subsi3_2): New.
1810 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1811 * config/m32c/mov.md (SI mov peephole): New.
1812 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1813 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1815 2006-06-26 Olivier Hainque <hainque@adacore.com>
1817 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1818 a CALL_EXPR target function declaration.
1820 2006-06-26 Richard Guenther <rguenther@suse.de>
1822 * tree.c (build_string): Do not waste tail padding in
1825 2006-06-26 Richard Guenther <rguenther@suse.de>
1827 * ggc-page.c (init_ggc): Add missing element to size_lookup
1831 2006-06-23 Richard Guenther <rguenther@suse.de>
1833 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1834 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1835 alignment requests instead. Add verification code.
1836 Add struct tree_function_decl and struct tree_binfo size to
1837 extra_order_size_table. Add missing element to size_lookup
1840 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1843 * fold-const.c (const_binop): Be prepared for self returning zero.
1844 Simplify code handling complex values.
1846 2006-06-24 Olivier Hainque <hainque@adacore.com>
1848 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1849 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1852 2006-06-24 Olivier Hainque <hainque@adacore.com>
1854 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1855 ARRAY_REF, so have the callback called for the low bound expression.
1857 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1859 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1860 * c-typeck.c (c_common_type): Disallow operations on decimal float
1861 types and other float types.
1862 * convert.c (convert_to_real): Don't ignore conversions involving
1863 decimal float types.
1865 2006-06-23 Olivier Hainque <hainque@adacore.com>
1867 * tree.c (max_int_size_in_bytes): New function, inspired from
1868 code in function.c:assign_temp.
1869 * tree.h (max_int_size_in_bytes): Declare.
1870 * function.c (assign_temp): Use it.
1871 * gimplify.c (create_tmp_var): Relax the assertions on the type
1872 properties, not mandating constant size any more.
1873 (force_constant_size): New static function.
1874 (gimple_add_tmp_var): Use it, forcing variable size to a
1875 constant upper bound if it is not constant on entry.
1877 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1880 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1881 for initialization and setting of one_only flag to ...
1882 (i386_pe_encode_section_info): ...here.
1883 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1884 Recheck that the symbol has not been defined.
1886 2006-06-23 Richard Guenther <rguenther@suse.de>
1888 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1889 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1890 alignment requests instead. Add verification code.
1891 Add struct tree_function_decl and struct tree_binfo size to
1892 extra_order_size_table. Add missing element to size_lookup
1895 2006-06-22 Roger Sayle <roger@eyesopen.com>
1896 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1899 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1900 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1902 2006-06-23 Ben Elliston <bje@au.ibm.com>
1904 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1905 negate dn -- manipulate it directly.
1907 2006-06-22 Roger Sayle <roger@eyesopen.com>
1908 Steven Bosscher <stevenb.gcc@gmail.com>
1911 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1912 generated by gen_move_insn to add REG_LABEL notes if necessary.
1914 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1916 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1917 (leaf_entry): Remove use of MIN_ESA.
1919 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1921 PR rtl-optimization/28121
1922 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1925 2006-06-21 DJ Delorie <dj@redhat.com>
1927 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1929 (mulhisi3_r): Likewise.
1931 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1934 * coverage.c (coverage_counter_alloc): Leave the index type
1936 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1939 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1941 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1942 section from the "Options for Code Generation Conventions".
1944 2006-06-21 Richard Henderson <rth@redhat.com>
1948 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1950 (global_symbolic_operand): Allow weak symbols, even if local_p.
1952 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1954 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1955 (find_interesting_uses_address): Punt if above function returns true.
1957 2006-06-21 Richard Guenther <rguenther@suse.de>
1959 * configure: Regenerated.
1961 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1963 * config/mips/mips.c (function_arg): Where one part of a
1964 complex argument is in registers and the other part in the stack,
1965 return a REG not a PARALLEL.
1967 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1969 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1970 when cross-compiling. Do not substitute libstdcxx_incdir.
1971 * configure: Regenerated.
1973 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1975 * varasm.c (mergeable_string_section): Check for embedded NULs and
1976 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1977 rather than TREE_STRING_LENGTH bytes.
1979 2006-06-21 Richard Guenther <rguenther@suse.de>
1981 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1982 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1985 2006-06-21 Richrad Guenther <rguenther@suse.de>
1987 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1988 Limit iteration over the dominators.
1990 2006-06-20 Roger Sayle <roger@eyesopen.com>
1992 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1993 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1995 2006-06-20 Richard Guenther <rguenther@suse.de>
1996 Michael Matz <matz@suse.de>
1998 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2000 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2001 * et-forest.h (et_free_pools): Prototype new function.
2002 * et-forest.c (et_free_tree_force): Free parent occurrence.
2003 (et_free_pools): New function.
2004 * dominance.c (free_dominance_info): Free et-forest alloc
2007 2006-06-20 Roger Sayle <roger@eyesopen.com>
2009 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2010 integer modes, attempt to directly construct an integer constant.
2012 * fold-const.c (native_encode_vector): Determine the size of each
2013 element from the vector type instead of the first vector element.
2015 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2016 if all of its elements/components are constant.
2017 (build_constructor_from_list): Likewise.
2019 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2021 PR tree-optimization/27331
2022 * tree-data-ref.c (free_data_ref): New function.
2023 (create_data_ref): Fail if the data reference has unknown access
2025 (free_data_refs): Use free_data_ref.
2027 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2030 * tree-inline.c (setup_one_parameter): Strip useless
2031 type conversion before adding it to the IR.
2032 (declare_return_variable): Likewise.
2034 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2037 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2039 2006-06-19 Mike Stump <mrs@apple.com>
2041 * tree.c (variably_modified_type_p): VM arguments don't make the
2044 2006-06-19 Richard Guenther <rguenther@suse.de>
2046 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2047 type conversions after folding.
2049 2006-06-19 Richard Guenther <rguenther@suse.de>
2051 * ggc-page.c (extra_order_size_tab): Add entries with
2052 size of struct function and basic_block.
2053 (size_lookup): Extend to cover sizes up to 511.
2054 (ggc_alloc_stat): Adjust user.
2055 (ggc_pch_count_object): Likewise.
2056 (ggc_pch_alloc_object): Likewise.
2057 (ggc_pch_write_object): Likewise.
2059 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2061 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2062 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2065 2006-06-19 Denis Chertykov <denisc@overta.ru>
2067 * config/avr/libgcc.S : Correct my wrong previous commit.
2069 2006-06-19 Roger Sayle <roger@eyesopen.com>
2072 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2073 have stripped a SUBREG from the shift count, so we may need to
2074 convert_to_mode back to the type's mode before calling make_tree.
2075 Use new_amount instead of amount to avoid expanding a tree twice.
2077 2006-06-19 Richard Guenther <rguenther@suse.de>
2080 * fold-const.c (operand_equal_p): Check if the argument types
2081 have the same precision before stripping NOPs.
2083 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2085 Fix PR tree-optimization/27341
2086 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2088 * tree-complex.c (pass_lower_complex): Update SMT usage.
2090 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2092 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2093 Add a new alternative to the constraint strings. Add move of
2094 operand 1 to 3 to the splitter definition.
2095 ("doloop_si_long"): Second contraint alternative removed.
2097 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2099 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2100 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2102 (AVR_HAVE_MOVW) Define.
2103 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2104 (ASM_SPEC): Add avr25.
2105 (LINK_SPEC): Add avr25.
2106 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2107 (base_arch_s): Add new member 'have_movw_lpmx'.
2108 (avr_arch_types): Init 'have_movw_lpmx'.
2109 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2110 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2111 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2112 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2113 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2115 (avr_file_start): Do not output '.arh' derective.
2116 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2117 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2118 * config/avr/avr.md (mcu_enhanced): Delete.
2119 (mcu_have_movw): Define.
2120 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2121 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2122 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2123 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2124 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2125 attiny861 and at86rf401 devices.
2127 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2129 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2132 2006-06-17 Karl Berry <karl@gnu.org>
2134 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2135 doc/gccint.texi, doc/install.texi (@dircategory): Use
2136 "Software development" instead of "Programming", following
2137 the Free Software Directory.
2139 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2141 * config/i386/i386.c (legitimate_tls_address)
2142 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2143 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2144 (*tls_dynamic_gnu2_combine_64): Likewise.
2146 2006-06-16 Richard Guenther <rguenther@suse.de>
2149 * fold-const.c (negate_expr_p): Do not introduce undefined
2150 overflow in negating INTEGER_CSTs.
2151 (fold_negate_expr): Rename from negate_expr. Revert last
2152 change for folding BIT_NOT_EXPR. Change semantics to
2153 return NULL_TREE for non-simplified negations. Do not
2154 strip type conversions and unify type handling.
2155 (negate_expr): New function, wrap around fold_negate_expr
2156 but ensure building a tree always. Strip type conversions
2157 here, fold to result type.
2158 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2160 2006-06-16 Roger Sayle <roger@eyesopen.com>
2163 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2164 that (would) return their results in stack registers.
2166 2006-06-16 Michael Matz <matz@suse.de>
2167 Richard Guenther <rguenther@suse.de>
2169 * fold-const.c (fold_truthop): Only return new tree node if
2170 we canonicalized something.
2172 2006-06-16 Richard Guenther <rguenther@suse.de>
2174 * function.h (enum function_frequency): Move declaration
2175 out of struct function.
2176 (struct function): Move bool fields and the enum to the bitfield
2177 section. Reorder elements to avoid padding. Remove unused
2178 fields left over from the RTL inliner removal.
2179 * function.c (free_after_compilation): Do not zero removed fields.
2180 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2181 (ipa-type-escape.o): Likewise.
2183 2006-06-16 Richard Guenther <rguenther@suse.de>
2185 * cgraph.h (struct cgraph_local_info): Turn bool elements
2187 (struct cgraph_node): Likewise.
2188 (struct cgraph_varpool_node): Likewise.
2190 2006-06-15 Richard Guenther <rguenther@suse.de>
2192 * fold-const.c (fold_truth_not_expr): Rename from
2193 invert_truthvalue. Give it fold_* semantics to avoid
2195 (invert_truthvalue): New function. Wrapper around
2196 fold_truth_not_expr.
2197 (optimize_minmax_comparison): Avoid creating garbage.
2198 (fold_unary): Use fold_truth_not_expr for folding
2200 (fold_ternary): Replace uses of invert_truthvalue with
2201 fold_truth_not_expr where applicable.
2202 * tree.h (fold_truth_not_expr): Prototype.
2204 2006-06-16 Richard Guenther <rguenther@suse.de>
2206 PR tree-optimization/27781
2207 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2208 * ipa-pure-const.c (target.h): Include.
2209 (analyze_function): Do not analyze functions that do not
2212 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2215 * tree-dfa.c (referenced_vars_dup_list): Remove.
2216 (find_referenced_vars): Remove assert.
2217 (referenced_var_check_and_insert): Replace dup list with assert.
2218 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2219 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2221 2006-06-15 Richard Guenther <rguenther@suse.de>
2223 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2224 extra unused identifiers if not dumping.
2225 (create_variable_info_for): Likewise.
2227 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2229 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2230 (derive_constant_upper_bound): Derive more precise upper bound in
2231 common cases. Return type changed to double_int.
2232 (record_estimate): Reflect the changed return type of
2233 derive_constant_upper_bound.
2234 * double-int.c (double_int_zext, double_int_sext): Fix.
2236 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2238 * configure.ac (CFLAGS): Get them from the toplevel or from the
2239 configure invocation.
2240 * configure: Regenerate.
2241 * Makefile.in (CFLAGS): Substitute value provided by configure.
2243 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2246 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2247 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2248 rather than calling add_stmt on it.
2249 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2251 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2254 * reload1.c (reload): Remove registers returned by update_eliminables
2255 from used_spill_regs.
2257 2006-06-13 DJ Delorie <dj@redhat.com>
2259 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2261 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2263 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2264 html__strip_dir, html__mkdir_p. Enhance install-html target.
2265 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2266 * configure: Regenerate.
2268 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2270 * fold-const.c (fold_cond_expr_with_comparison): Check for
2271 Objective-C++ as language in deciding COND_EXPR transformation.
2273 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2276 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2277 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2278 * config/sh/lib1funcs.h (SL, SL1): Define.
2279 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2280 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2281 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2282 (OBJS_Os_4_200): New variable.
2283 ($(T)libgcc-Os-4-200.a): Use it.
2284 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2285 when dividing 1 and/or by 0.
2287 2006-06-13 Roger Sayle <roger@eyesopen.com>
2289 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2290 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2291 * configure: Regenerate.
2293 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2295 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2296 for real instruction.
2298 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2301 * haifa-sched.c (check_cfg): Handle special case.
2303 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2306 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2307 Add debug_info parameter. Chain the vars to the BLOCK instead
2308 of the BIND_EXPR if debug info are requested for them.
2309 (pop_gimplify_context): Adjust for above change.
2310 (gimple_add_tmp_var): Likewise.
2311 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2313 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2314 (convert_local_reference): Likewise.
2315 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2316 (finalize_nesting_tree_1): Request that debug info be emitted
2317 for debug_var_chain.
2319 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2321 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2322 for PR target/27863.
2324 2006-06-13 Richard Guenther <rguenther@suse.de>
2327 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2329 2006-06-13 Richard Guenther <rguenther@suse.de>
2331 PR tree-optimization/27830
2332 * tree-inline.c (copy_body_r): For copying the operand
2333 of an ADDR_EXPR make sure to fold &* afterwards.
2335 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2337 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2338 lvalues in the fb_none case with side-effects.
2340 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2342 * tree-flow.h: Remove the prototype for
2343 compute_phi_arg_on_exit.
2344 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2345 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2348 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2350 * builtins.c (expand_builtin_return_addr): Only use
2351 frame_pointer_rtx when count == 0 and we are expanding
2352 __builtin_return_address.
2354 2006-06-12 Fred Fish <fnf@specifix.com>
2356 * config/mips/mips.c (mips_file_start): Create special section
2357 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2359 2006-06-11 Eric Christopher <echristo@apple.com>
2362 * stor-layout.c (place_field): Remove check for
2363 remaining_in_alignment when aligning at the end of a run.
2365 2006-06-11 Eric Christopher <echristo@apple.com>
2368 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2371 2006-06-11 Roger Sayle <roger@eyesopen.com>
2374 Revert incorrect fix for PR target/27158
2375 2006-05-08 Roger Sayle <roger@eyesopen.com>
2376 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2377 of a reg_equiv_constant if the result is a legitimate constant.
2379 2006-06-11 Roger Sayle <roger@eyesopen.com>
2382 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2383 extract a CONST_VECTOR element and interpret it as an integer.
2384 (vspltis_constant): Use const_vector_elt_as_int instead of the
2385 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2386 * config/rs6000/predicates.md (easy_vector_const): Consider
2387 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2389 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2392 * stor-layout.c (update_alignment_for_field): Don't add extra
2393 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2396 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2398 * config/mips/t-rtems: Add EL/EB multilib variants.
2400 2006-06-09 Mike Stump <mrs@apple.com>
2402 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2404 2006-06-09 David Daney <ddaney@avtrex.com>
2406 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2408 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2410 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2412 2006-06-09 Richard Guenther <rguenther@suse.de>
2414 PR tree-optimization/26998
2415 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2416 of signed types, only TYPE_MIN_VALUE is special, but for both,
2417 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2418 in this case, as is -fwrapv.
2420 2006-06-08 Mike Stump <mrs@apple.com>
2423 * config/darwin.c (darwin_asm_output_anchor): Disable
2424 -fsection-anchors on darwin for now.
2425 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2426 * rs6000/rs6000.c (optimization_options): Likewise.
2428 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2431 * config/i386/i386.c (classify_argument): Skip fields with invalid
2434 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2436 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2437 (cse_insn): Likewise for the stack_pointer_rtx.
2439 2006-06-08 Roger Sayle <roger@eyesopen.com>
2441 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2442 conditions from floating point comparisons.
2444 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2447 * expmed.c (struct alg_hash_entry): Fix type of field T
2448 to match synth_mult argument.
2449 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2451 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2454 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2457 2006-06-08 Richard Guenther <rguenther@suse.de>
2460 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2461 only, if overflow is defined and not trapping.
2462 (negate_expr): Likewise.
2464 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2466 PR tree-optimization/27872
2467 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2468 flag on the new exit edge of the unrolled loop.
2470 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2472 PR rtl-optimization/26449
2473 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2475 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2478 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2479 referenced_variables with matching DECL_UID's.
2480 (find_referenced_vars): Make sure duplicate list is empty to start.
2481 (referenced_var_p): Remove.
2482 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2483 Check if var is in the list, and add if needed. Update the duplicate
2484 list if a different var is in the list with the same DECL_UID.
2485 (add_referenced_var): Call routine to check and insert.
2486 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2487 * tree-flow.h (referenced_vars_dup_list): External declaration.
2489 2006-06-07 Fred Fish <fnf@specifix.com>
2491 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2494 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2497 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2498 the imaginary and real parts of a clobbered register.
2499 Emit insn to set the imaginary part.
2501 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2503 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2504 in lieu of unwind-dw2-fde.c.
2506 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2508 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2510 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2513 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2514 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2515 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2516 V4SImode temporaries and operations instead.
2518 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2520 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2523 2006-06-06 Mike Stump <mrs@apple.com>
2525 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2526 installing during build.
2528 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2530 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2532 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2533 * config/ia64/ia64.c (params.h): New header.
2534 (ia64_optimization_options): New function to adjust parameters.
2535 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2536 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2537 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2539 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2541 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2543 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2546 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2548 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2549 Victor Kaplansky <victork@il.ibm.com>
2551 PR tree-optimization/26360
2552 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2555 2006-06-04 Roger Sayle <roger@eyesopen.com>
2556 Andrew Pinski <pinskia@physics.uc.edu>
2559 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2560 for LABEL_DECL before calling DECL_WEAK.
2563 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2564 LABEL_DECL and PARM_DECL.
2566 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2570 * c-decl.c (grokdeclarator): Disallow variably modified types at
2571 file scope. Avoid marking shared array type of constant size as
2574 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2577 * c-common.c (fold_offsetof_1): Handle static members.
2579 2006-06-04 Eric Christopher <echristo@apple.com>
2581 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2582 (debug_rli): Output value for remaining_in_alignment.
2583 (update_alignment_for_field): Unconditionalize
2584 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2585 extra alignment code.
2586 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2587 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2588 * tree.h (record_layout_info_s): Remove prev_packed.
2589 * doc/extend.texi (ms_struct): Add documentation of format.
2591 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2593 * tree.h: Declare folding_initializer.
2594 * builtins.c (fold_builtin_constant_p): Give definite answer
2595 if folding inside an initializer.
2596 * fold-const.c: Define folding_initializer.
2597 (START_FOLD_INIT): Save and then set folding_initializer.
2598 (END_FOLD_INIT): Restore folding_initializer.
2600 2006-06-04 Richard Guenther <rguenther@suse.de>
2602 PR tree-optimization/27039
2603 * fold-const.c (fold_comparison): Handle pointer comparison
2604 again for all comparison codes. Compare offsets in signed
2606 (fold_binary): Move code from here.
2608 2006-06-03 Roger Sayle <roger@eyesopen.com>
2611 * config/i386/i386.c (construct_container): Split static issued_error
2612 flag into issued_sse_arg_error, issued_sse_ret_error and
2613 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2614 requires the use of x87 registers and the user explicitly
2615 specified the -mno-80387 command line option.
2617 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2619 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2620 HAVE_DECL_SIGALTSTACK.
2622 (segv_handler): Use MC_FLD.
2623 * configure.ac: Check for a sigaltstack declaration.
2624 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2625 * configure: Regenerate.
2626 * config.in: Regenerate.
2628 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2631 * Makefile.in (stmp-fixinc): Fix typo.
2633 2006-06-02 Roger Sayle <roger@eyesopen.com>
2635 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2636 are type correct. Clean-up.
2637 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2638 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2640 2006-06-01 DJ Delorie <dj@redhat.com>
2642 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2643 shift, as we've disabled the "switch" insn that needs it.
2645 2006-06-01 Per Bothner <bothner@bothner.com>
2647 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2648 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2649 * c-ppoutput.c (cb_define): Don't increment line 0.
2651 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2653 * doc/invoke.texi: Add cpu_type power6.
2654 * config.gcc: Add cpu_type power6.
2655 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2656 to power5+ with Altivec.
2657 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2658 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2660 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2662 * config/avr/avr.h (SET_ASM_OP): Define.
2664 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2666 * config/bfin/bfin.c: Fix comment typos.
2668 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2671 * doc/install.texi: Document --enable-bootstrap and
2672 --disable-bootstrap.
2674 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2676 * doc/install.texi: Document that InfoZIP can replace jar.
2678 2006-05-31 Roger Sayle <roger@eyesopen.com>
2680 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2681 isn't available, directly generate the simpler x87 patterns without
2682 the (use (const_int 0)).
2683 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2684 implementation isn't available.
2685 (*negdf2_1): Likewise.
2686 (*negxf2_1): XF mode negation is always done using the x87.
2687 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2689 2006-05-31 Roger Sayle <roger@eyesopen.com>
2691 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2692 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2694 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2696 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2698 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2699 * config/bfin/bfin.c (basic-block.h): Include.
2700 (struct machine_function): New.
2701 (bfin_init_machine_status): New.
2702 (override_options): Initialize init_machine_status.
2703 (bfin_hardware_loop): New.
2704 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2705 (DEF_VEC_P (loop_info)): New.
2706 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2707 (struct loop_info): New.
2708 (loop_info): New typedef.
2709 (struct loop_work): New.
2710 (loop_work): New typedef.
2711 (DEF_VEC_O (loop_work)): New.
2712 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2713 (bfin_dump_loops): New.
2714 (bfin_bb_in_loop): New.
2715 (bfin_scan_loop): New.
2716 (bfin_optimize_loop): New.
2717 (bfin_reorg_loops): New.
2718 (bfin_reorg): Use bfin_reorg_loops.
2719 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2721 (I_REGNO_P): Simplify.
2722 (DP_REGNO_P, DPREG_P): New macros.
2723 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2724 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2725 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2726 Add LT_REGS, LC_REGS, LB_REGS.
2727 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2729 (REGNO_REG_CLASS): Deal with loop registers.
2730 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2732 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2733 New constants for loop registers.
2734 (UNSPEC_LSETUP_END): New.
2735 (seq_insns): New define_attr. Set it for appropriate insns.
2736 (movsi_insn): Add alternatives for move from/to
2737 loop count registers.
2738 (doloop_end): New define_expand.
2739 (loop_end): New define_insn.
2740 (define_split for bad doloop_end): New.
2741 (lsetup_with_autoinit): New define_insn.
2742 (lsetup_without_autoinit): New define_insn.
2743 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2744 * config/bfin/predicates.md (lc_register_operand): New.
2745 (lt_register_operand): New.
2746 (lb_register_operand): New.
2747 (nondp_register_operand): New.
2748 (nondp_reg_or_memory_operand): New.
2749 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2751 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2753 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2754 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2756 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2758 * Makefile.in (CATALOGS): Add po/ prefix.
2759 * configure: Regenerated.
2761 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2764 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2765 a shift operand before calling shift_op. Avoid redundant call of
2768 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2769 DJ Delorie <dj@redhat.com>
2771 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2772 we're inserting is a singlt-bit constant.
2774 2006-05-30 Roger Sayle <roger@eyesopen.com>
2776 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2777 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2779 2006-05-30 Roger Sayle <roger@eyesopen.com>
2781 PR tree-optimization/23452
2782 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2783 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2784 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2785 complex values and with -ffast-math for FP complex values.
2787 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2789 * c-common.h: Remove the prototype for yyparse.
2790 * rtl.h: Remove the prototype for init_loop.
2792 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2794 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2797 2006-05-30 Roger Sayle <roger@eyesopen.com>
2799 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2801 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2802 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2804 2006-05-30 Dirk Mueller <dmueller@suse.de>
2807 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2808 for CONSTANT_CLASS_P expresisons.
2810 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2813 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2815 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2817 PR tree-optimization/27779
2818 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2819 initial_condition instead of CHREC_LEFT.
2821 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2823 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2824 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2825 Make prototypes ISO C90.
2827 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2828 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2830 * see.c (see_analyze_one_def): Correct check.
2831 (see_get_extension_data): Check if extension is parallel.
2832 (see_get_extension_reg): Likewise.
2834 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2837 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2838 into register for (code == GTU).
2840 2006-05-29 Roger Sayle <roger@eyesopen.com>
2842 PR tree-optimization/24964
2843 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2844 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2845 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2846 abs(x)*abs(x) as x*x for scalar floating point modes.
2848 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2851 * lambda-code.c (perfect_nestify): Don't copy statements
2852 in the inner loop: move them to the inner loop header.
2854 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2857 * c-tree.texi: Document OpenMP directives and clauses.
2859 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2861 * varasm.c (globalize_decl): Fix indentation.
2863 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2866 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2867 pass_fre, pass_store_ccp, pass_copy_prop,
2868 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2869 pass_return_slot, pass_object_size, pass_lim,
2870 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2871 pass_loop_prefetch and pass_stdarg.
2873 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2875 * config/bfin/bfin.opt (mfdpic): New option.
2876 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2877 (EXTRA_MULTILIB_PARTS): Likewise.
2878 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2879 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2881 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2882 (CRT_CALL_STATIC_FUNCTION): New.
2883 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2885 (CRT_CALL_STATIC_FUNCTION): New.
2886 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2888 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2889 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2890 (initialize_trampoline): Changed to handle FD-PIC code generation.
2891 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2892 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2893 (override_options): Disallow -mid-shared-library -mfdpic combination.
2894 Can't do unaligned ops if FD-PIC.
2895 Turn off flag_pic if trying to generate non-id-shared-library
2896 non-fdpic code, since it's not supported.
2897 (bfin_assemble_integer): New function.
2898 (TARGET_ASM_INTEGER): Define.
2899 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2901 * config/bfin/crtn.s: Restore them.
2902 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2904 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2905 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2906 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2907 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2908 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2910 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2911 FDPIC_REGS and FDPIC_FPTR_REGS.
2912 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2913 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2914 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2915 (load_funcdescsi): New pattern.
2916 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2917 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2918 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2920 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2922 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2925 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2927 * tree-flow.h: Remove the prototype for add_type_alias.
2928 * tree-ssa-alias.c (add_type_alias): Remove.
2930 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2932 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2933 config/fr30/fr30.md, config/i386/i386-interix.h,
2934 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2935 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2936 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2937 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2938 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2939 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2940 Follow spelling conventions.
2941 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2942 Follow spelling conventions.
2944 2006-05-27 Richard Guenther <rguenther@suse.de>
2947 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2948 to produce a constant of value 1 of generic type.
2950 2006-05-27 Dirk Mueller <dmueller@suse.de>
2952 * cgraphunit.c (decide_is_function_needed): Fix wrong
2955 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2957 PR rtl-optimization/27661
2958 * reload.c (find_reloads): When reloading a VOIDmode constant
2959 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2960 use Pmode as mode of the reload register.
2962 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2964 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2965 is enabled at -O and above.
2967 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2970 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2973 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2976 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2977 for anonymous variables explicitly declared by front ends.
2979 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2981 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2982 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2983 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2984 ref-all pointers, run a finalization pass for them.
2985 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2986 (finalize_ref_all_pointers): New function.
2987 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2988 regular pointer type to a ref-all pointer type.
2989 (get_tmt_for): Return the special memory tag for ref-all pointers.
2991 2006-05-25 Richard Guenther <rguenther@suse.de>
2994 * fold-const.c (fold_binary): Do not look at the stripped
2995 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2997 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2999 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3000 for LT and GT if the computed range is effectively empty.
3002 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3005 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3006 mips_quad_format formats instead of ieee_single_format,
3007 ieee_double_format and ieee_quad_format formats, respectively.
3009 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3011 PR tree-optimization/27639
3012 PR tree-optimization/26719
3013 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3014 call to scev_probably_wraps_p.
3015 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3016 used_in_pointer_arithmetic_p, convert_step): Removed.
3017 (nowrap_type_p): New function.
3018 (scev_probably_wraps_p): Rewritten.
3019 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3020 chrec_convert if chrec_convert_aggressive might have been used.
3021 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3022 scev_direction): New functions.
3023 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3024 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3025 instead of convert_step.
3026 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3027 (convert_step): Declaration removed.
3028 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3030 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3032 * df-core.c: Added to header comments.
3033 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3034 df_ur_bb_info, df_urec_bb_info): Added comments.
3035 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3036 urec, ri problems): Fixed header comments.
3037 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3038 code from df_rd_transfer_function.
3040 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3042 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3043 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3044 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3046 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3048 * expr.c (undefined_operand_subword_p): New.
3049 (emit_move_multi_word): Do not generate move from undefined bits
3050 of a paradoxical subreg.
3052 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3054 PR rtl-optimization/27736
3055 * combine.c (replaced_rhs_value): New variable.
3056 (combine_instructions): Set it.
3057 (distribute_notes): When distributing a note in replaced_rhs_insn,
3058 check whether the value was used in replaced_rhs_value.
3060 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3063 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3064 add_referenced_var instead of add_referenced_tmp_var.
3065 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3066 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3068 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3069 tree_optimize_tail_calls_1): Use add_referenced_var.
3070 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3071 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3072 Use add_referenced_var.
3073 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3074 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3075 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3076 Use add_referenced_var.
3077 * tree-dfa.c (struct walk_state): Remove.
3078 (find_referenced_vars): Remove walk state and vars_found hash table.
3079 (make_rename_temp): Use add_referenced_var.
3080 (find_vars_r): Pass less parameters to add_referenced_var.
3081 (referenced_var_p): New. Is var in referenced_var hash table.
3082 (referenced_var_insert): Assert var isn't already in hash table.
3083 (add_referenced_var): Don't need walk_state parameter. Add var if it
3084 isn't already in the hash table.
3085 (add_referenced_tmp_var): Remove.
3086 (find_new_referenced_vars_1): Use add_referenced_var.
3087 * tree-ssa-pre.c (create_expression_by_pieces,
3088 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3089 Use add_referenced_var.
3090 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3091 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3092 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3094 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3095 vect_create_data_ref_ptr, vect_create_destination_var,
3096 vect_init_vector, vect_build_loop_niters,
3097 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3098 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3099 Use add_referenced_var.
3100 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3101 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3102 (add_referenced_var): Add prototype.
3103 * tree-ssa-structalias.c (get_constraint_for,
3104 intra_create_variable_infos): Use add_referenced_var.
3106 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3108 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3109 big-endian paradoxical subregs.
3110 * var-tracking.c (struct micro_operation_def): Document that,
3111 for modify micro operations, insn is the subsequent instruction.
3112 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3113 (var_reg_set, var_mem_set): ... new functions.
3114 (add_stores): Record subsequent insn.
3115 (compute_bb_dataflow): Use new functions for MO_USE.
3116 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3117 notes after the insn, and modify notes before the insn known
3118 to be the subsequent one.
3119 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3121 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3124 * config/i386/i386.c (ix86_expand_builtin): Use
3125 gen_sse3_monitor64 for TARGET_64BIT.
3127 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3129 PR rtl-optimization/26375
3130 PR rtl-optimization/26855
3131 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3133 (df_ru_bb_local_compute): Reversed statements and removed bogus
3134 comment explaining why they should be in wrong order.
3135 (df_ru_dump, df_rd_dump): Enhanced debug info.
3136 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3138 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3139 reaching uses and fixed space problem.
3141 2006-05-23 Jan Hubicka <jh@suse.cz>
3143 * cgraphunit.c (decide_is_function_needed): Also nested functions
3144 and functions declared inline can be optimized out at -O0.
3146 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3148 * doc/install.texi (Configuration): Remove reference to CrossGCC
3152 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3155 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3156 ix86_compare_emitted is non-NULL.
3158 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3161 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3164 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3166 PR rtl-optimization/25514
3167 * combine.c (replaced_rhs_insn): New variable.
3168 (combine_instructions): Set replaced_rhs_insn when trying to replace
3169 a SET_SRC with a REG_EQUAL note.
3170 (distribute_notes): Use replaced_rhs_insn when determining the live
3171 range of a REG_DEAD register.
3173 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3174 Anatoly Sokolov <aesok@post.ru>
3176 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3177 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3178 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3179 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3180 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3181 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3182 at90usb647, at90usb1286 and at90usb1287 devices.
3183 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3184 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3186 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3188 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3190 2006-05-22 Richard Guenther <rguenther@suse.de>
3193 2006-01-31 Richard Guenther <rguenther@suse.de>
3194 Paolo Bonzini <bonzini@gnu.org>
3196 * doc/install.texi (--disable-libgcc-math): Document.
3198 2006-05-22 Richard Guenther <rguenther@suse.de>
3201 2006-01-31 Richard Guenther <rguenther@suse.de>
3203 * doc/invoke.texi (-msselibm): Document.
3204 * target.h (expand_library_builtin): New target hook.
3205 * builtins.c (expand_builtin): Use expand_library_builtin.
3206 (default_expand_library_builtin): New function.
3207 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3208 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3209 (link_gcc_math_spec): Declare.
3210 (static_specs): Add link_gcc_math_spec.
3211 * expr.h (default_expand_library_builtin): Declare.
3212 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3213 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3214 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3215 * config/i386/i386.opt (msselibm): New target option.
3216 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3217 (ix86_init_sse_abi_builtins): New function.
3218 (ix86_expand_library_builtin): Likewise.
3219 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3220 (override_options): Handle error conditions wrt -msselibm.
3221 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3222 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3223 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3226 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3229 * c-common.c (self_promoting_args_p): Skip erroneous args.
3232 * c-decl.c (finish_struct): Skip erroneous fields.
3234 2006-05-22 Nick Clifton <nickc@redhat.com>
3236 * config/cris/cris.opt (march): Remove VarExists attribute.
3237 (max-stackframe=): Likewise.
3239 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3241 * doc/rtl.texi: Fix a typo.
3242 * see.c: Fix comment typos.
3244 * tree-ssa-structalias.h (alias_info): Remove num_references.
3246 2006-05-21 Mike Stump <mrs@apple.com>
3248 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3250 (darwin_pragma_options): Use BAD instead.
3251 (darwin_pragma_unused): Likewise.
3252 (darwin_pragma_ms_struct): Likewise.
3254 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3256 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3258 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3260 PR rtl-optimization/27671
3261 * simplify-rtx.c (simplify_relational_operation_1): Fix
3262 simplifications of (eq/ne (xor x y) y) and
3263 (eq/ne (xor x y) x).
3265 PR tree-optimization/26622.
3266 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3269 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3271 * tree-cfg.c: Prune whitespace.
3272 (debug_tree_cfg): Point to correct header containing the
3275 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3278 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3280 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3283 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3284 or sorry count is non zero.
3286 2006-05-20 Andreas Schwab <schwab@suse.de>
3288 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3290 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3291 Kenneth Zadeck <zadeck@naturalbridge.com>
3293 PR rtl-optimization/26855
3295 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3297 (df_scan_alloc): Added code to properly handle multiword hard
3298 registers and add all_blocks parameter.
3299 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3300 code to properly handle multiword hard registers.
3301 (df_rescan_blocks): Added code to remove deleted blocks from
3303 (df_ref_create_structure, df_ref_record): Added code to properly
3305 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3306 and set DF_REF_PARTIAL.
3307 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3308 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3309 (df_scan_add_problem): Added flags parameter.
3310 (df_ref_create_structure): Changed switching structure.
3311 (df_bb_refs_record): Fixed case where duplicate artificial refs
3312 were created. Changed location of flags.
3313 (df_record_entry_block_defs): Added code to make stack pointer
3314 live in entry block. Refined cases where frame pointer is needed.
3315 Changed location of flags.
3316 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3317 (df_set_state): Removed function.
3318 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3319 df_insn_create_insn_record, df_insn_refs_delete,
3320 df_ref_create_structure): Formatting changes.
3321 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3322 df_delete_basic_block): New function.
3323 (df_init): Changed location of flags.
3324 (df_add_problem): Added flags parameter and the way flags are
3326 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3327 debug_df_chain): Improved debugging output.
3328 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3329 (df_refs_chain_dump): Removed df parameter.
3330 (df_iterative_dataflow): Added consistency check.
3331 (df_prune_to_subcfg): Made public.
3332 (df_analyze_problem): Added blocks_to_init parameter and made
3334 (df_ref_record, df_bb_refs_record, df_mark_reg,
3335 df_record_exit_block_uses): Whitespace changes.
3336 (df_dump): Whitespace changes.
3337 * df.h: Some reordering to remove forward references.
3338 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3339 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3340 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3341 (dataflow.flags): New field.
3342 (df.flag): Deleted field.
3343 (df_alloc_function): Added additional bitmap parameter.
3344 (df_dependent_problem_function): New type.
3345 (df_problem.changeable_flags): New field.
3346 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3347 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3348 (df_mw_hardreg): New struct.
3349 (DF_INSN_UID_MWS): New macro.
3350 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3352 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3353 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3354 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3355 (df_set_state): Removed function.
3356 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3357 * df-problems.c (df_chain_dump): Removed df parameter.
3358 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3359 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3361 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3362 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3363 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3364 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3365 DF_REF_MUST_CLOBBER cases.
3366 (df_ru_bb_local_compute_process_def,
3367 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3368 df_lr_bb_local_compute, df_ur_bb_local_compute,
3369 df_chain_create_bb): Made subreg aware.
3370 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3371 df_lr_bb_local_compute, df_lr_bb_local_compute,
3372 df_chain_create_bb): Cleanup to use proper macros.
3373 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3374 code to fixup bitvectors.
3375 (df_ri_alloc): Cleared lifetime.
3376 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3377 df_create_unused_note): New function.
3378 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3379 REG_DEAD and REG_UNUSED notes as well as register information.
3380 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3381 df_chains_dump): Fixed crash if problem was never run.
3382 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3383 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3384 df_ri_add_problem): Processes flags in uniform manner.
3385 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3386 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3387 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3388 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3389 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3390 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3391 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3392 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3393 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3394 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3395 * see.c (see_initialize_data): Ditto.
3396 * final.c (rest_of_clean_state) Added regstack_completed.
3397 * rtl.h (regstack_completed): Ditto.
3398 * reg-stack.c (regstack_completed): Ditto.
3400 2006-05-19 Mike Stump <mrs@apple.com>
3402 * c-tree.h (default_conversion): Remove.
3403 * c-common.h (default_conversion): Add.
3405 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3407 * tree-vrp.c (valid_value_p): New function.
3408 (adjust_range_with_scev): Fail if the value of bound is not
3411 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3413 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3414 (mips_fallback_frame_state): Use syscall numbers to determine
3415 the appropriate li instruction for the current ABI. Only use
3416 __NR_sigreturn for o32.
3418 2006-05-19 Nicolas Setton <setton@adacore.com>
3420 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3421 * langhooks.c (lhd_dwarf_name): New function.
3422 * langhooks-def.h (lhd_dwarf_name): Declare.
3423 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3424 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3425 * ada/misc.c (gnat_dwarf_name): New function.
3426 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3428 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3430 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3432 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3433 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3434 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3435 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3436 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3437 determine the size of Wtype, etc.
3438 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3439 (swfloatfuncs): New variable.
3440 (dwfloatfuncs): Likewise.
3441 (lib2funcs): Remove floating-point conversion functions from
3442 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3443 the set of conversion routines needed. Allow entries to specify
3444 an object name, filename and word size. Update users accordingly.
3445 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3446 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3450 2006-02-08 Roger Sayle <roger@eyesopen.com>
3453 * config/fixtfdi.c: New libgcc source file.
3454 * config/fixunstfdi.c: New source file.
3455 * config/floatditf.c: New source file.
3456 * config/floatunditf.c: New souce file.
3457 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3458 files above instead of config/mips/_tilib.c.
3459 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3461 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3463 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3464 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3466 2006-05-18 Mike Stump <mrs@apple.com>
3468 Fix up vla, vm and [*] sematics.
3474 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3475 (c_vla_unspec_p): Add.
3476 (c_vla_type_p): Add.
3477 * c-decl.c (struct c_scope): Add had_vla_unspec.
3478 (build_array_declarator): Add support for [*].
3479 (grokdeclarator): Likewise.
3480 (grokparms): Likewise.
3481 (get_parm_info): Likewise.
3482 * c-objc-common.c (c_vla_unspec_p): Likewise.
3483 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3484 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3485 typeof when argument is a variably modified type not inside sizeof or alignof.
3486 (c_parser_direct_declarator_inner): Propagate errors.
3487 (c_parser_sizeof_expression): Add support for [*].
3488 (c_parser_parms_declarator): Initialize had_vla_unspec.
3489 (c_parser_parms_list_declarator): Likewise.
3490 * c-typeck.c (c_vla_type_p): Add.
3491 (composite_type): Add support for vla compositing.
3492 (comptypes_internal): Add support for vla compatibility.
3493 (c_expr_sizeof_expr): Evaluate vla arguments.
3494 * tree.c (variably_modified_type_p): Update comment for [*].
3496 2006-05-18 Michael Matz <matz@suse.de>
3499 * config.host: Make assignments to host_xmake_file cumulative.
3500 * config.host (*-darwin*): Test $host, not $target.
3502 2006-05-12 Stuart Hastings <stuart@apple.com>
3504 * config/i386/i386.opt (-mstackrealign): New flag.
3505 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3506 (ix86_handle_cconv_attribute): Emit error when
3507 force_align_arg_pointer attribute collides with too many regparms.
3508 (ix86_function_regparm): Limit regparms when used with
3509 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3510 Support stack-realigning prologue in non-main functions. Emit
3511 warning for nested functions under -mstackrealign, emit error for
3512 nested functions with force_align_arg_pointer attribute.
3513 * doc/extend.texi (force_align_arg_pointer): Document it.
3514 * doc/invoke.texi (-mstackrealign): Document it.
3516 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3518 PR rtl-optimization/27477
3519 * combine.c (try_combine): Don't split a parallel consisting
3520 of two sets into two individual sets if both sets reference
3523 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3525 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3526 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3528 * doc/options.texi (VarExists): Updated.
3530 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3532 * unwind-dw2.c: Add declarations for uw_update_context and
3534 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3535 detected, advance frame state and context once to skip over stub.
3537 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3541 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3542 Call rewrite_into_loop_closed_ssa only when something changed.
3543 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3544 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3545 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3546 Test for perfect_nest_p here. Fix formating.
3547 (replace_uses_equiv_to_x_with_y): Fix formating.
3548 (stmt_uses_op): Removed.
3549 (can_convert_to_perfect_nest): Removed loopivs parameter.
3550 Complete the test by checking the scalar dependences.
3551 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3554 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3557 From Dan Kegel <dank@kegel.com>:
3558 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3560 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3562 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3563 if the element type is variably modified without recursing.
3565 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3568 * tree-loop-linear.c (try_interchange_loops): Test for
3569 no data dependences.
3571 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3573 PR tree-optimization/27548
3574 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3575 range of ssa names that appear on abnormal edges.
3576 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3577 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3579 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3582 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3584 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3587 * tree.h (OMP_PARALLEL_COMBINED): Define.
3588 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3589 (new_omp_context): Add is_combined_parallel argument.
3590 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3591 new_omp_context caller.
3592 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3593 Adjust gimplify_scan_omp_clauses callers.
3594 (omp_is_private): Issue errors if iteration variable is firstprivate
3595 or reduction in the current context.
3596 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3597 on combined parallel workshare constructs.
3599 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3601 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3602 (gcc-options.o): New rule.
3604 * optc-gen.awk: Protect variables for gcc-options.o with
3605 #ifdef GCC_DRIVER/#endif.
3607 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3609 Fix PR tree-optimization/27373
3610 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3611 (forward_propagate_addr_expr): Update call.
3613 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3615 * doc/options.texi: Move the Negative option.
3617 2006-05-16 Richard Guenther <rguenther@suse.de>
3619 PR tree-optimization/22303
3620 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3622 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3623 ccp_fold did not simplify the statement.
3625 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3628 * Makefile.in (GCC_OBJS): New.
3629 (OBJS-common): Add opts-common.o.
3630 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3631 (cpp$(exeext)): Likewise.
3632 (gcc.o): Also depend on opts.h.
3633 (opts-common.o): New.
3635 * common.opt (gcoff): Add Negative(gdwarf-2).
3636 (gdwarf-2): Add Negative(gstabs).
3637 (gstabs): Add Negative(gstabs+).
3638 (gstabs+): Add Negative(gvms).
3639 (gvms): Add Negative(gxcoff).
3640 (gxcoff): Add Negative(gxcoff+).
3641 (gxcoff+): Add Negative(gcoff).
3642 * config/i386/i386.opt (m32): Add Negative(m64).
3643 (m64): Add Negative(m32).
3645 * doc/options.texi: Document the Negative option.
3647 * gcc.c: Include "opts.h".
3648 (main): Call prune_options after expandargv.
3650 * optc-gen.awk: Generate common declarations for all flag
3651 variables in options.c. Output the neg_index field.
3653 * opts.c (find_opt): Moved to ...
3654 * opts-common.c: Here. New file.
3656 * opts.h (cl_option): Add a neg_index field.
3658 (prune_options): Likewise.
3660 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3663 * omp-low.c (expand_omp_parallel): Don't assert
3664 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3665 instead search for it.
3668 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3671 2006-05-16 Andreas Schwab <schwab@suse.de>
3673 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3676 2006-05-15 Roger Sayle <roger@eyesopen.com>
3679 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3680 integer constants other than zero are only legitimate on TARGET_64BIT.
3681 <CONST_VECTOR> Only zero vectors are legitimate.
3682 (ix86_cannot_force_const_mem): Integral and vector constants can
3683 always be put in the constant pool.
3685 2006-05-16 DJ Delorie <dj@redhat.com>
3687 * crtstuff.c (__dso_handle): Set section from
3688 TARGET_LBIGCC_SDATA_SECTION if defined.
3689 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3690 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3692 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3695 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3698 2006-05-16 Ben Elliston <bje@au.ibm.com>
3700 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3702 2006-05-15 Per Bothner <per@bothner.com>
3704 * tree.c: (last_annotated_node): Use source_locus typedef.
3705 This permits bootstrapping with --enable-mapped-location.
3707 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3709 PR tree-optimization/26830
3710 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3711 (info_for_ssa_name, current_info_for_ssa_name_age,
3712 blocks_to_update): New variables.
3713 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3714 (clear_ssa_name_info, initialize_flags_in_bb,
3715 mark_block_for_update): New functions.
3716 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3717 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3718 prepare_def_site_for): Use mark_block_for_update.
3719 (mark_def_interesting): Assert that the processed block is marked in
3720 blocks_to_update. Do not take blocks argument.
3721 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3723 (rewrite_update_init_block, rewrite_update_stmt): Only process
3724 blocks with statements to rewrite.
3725 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3726 (update_ssa): Initialize and free blocks_to_update. Do not
3727 clear flags on statements. Do not use blocks bitmap.
3728 * tree.h (SSA_NAME_AUX): Removed.
3729 (struct tree_ssa_name): Removed aux field.
3730 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3732 2006-05-15 Richard Guenther <rguenther@suse.de>
3734 PR tree-optimization/27603
3735 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3736 Do computations in original type.
3738 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3740 * see.c: Code style changes such as redundant paranthesis,
3741 redundant intialization of local variables etc.
3742 (see_main): Declared now as static.
3743 * doc/invoke.texi: Update that -fsee is not enabled by
3746 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3748 * omp-low.c (check_omp_nesting_restrictions): New function.
3749 (scan_omp_1): Call it.
3752 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3753 construct, return *VAR.
3755 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3757 PR rtl-optimization/27406
3758 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3761 2006-05-14 Roger Sayle <roger@eyesopen.com>
3763 PR rtl-optimization/27538
3764 * combine.c (expand_compound_operation): Call gen_lowpart
3765 before calling simplify_shift_const.
3767 2006-05-14 Roger Sayle <roger@eyesopen.com>
3769 PR rtl-optimization/22563
3770 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3771 a fixed width bitfield, always force the intermediates into psuedos.
3773 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3776 * mkconfig.sh: Use operator = instead of == for test.
3778 2006-05-13 Nick Clifton <nickc@redhat.com>
3780 * dwarf2out.c (dbx_reg_number): Check return value from
3781 LEAF_REG_REMAP and only use it if it is valid.
3782 (multiple_reg_loc_descriptor): Likewise.
3784 2006-05-13 Richard Guenther <rguenther@suse.de>
3786 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3789 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3791 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3792 information attached to non-INSNs such as NOTEs.
3793 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3795 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3797 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3799 * config/s390/s390.md: Adjust comment describing On constraint.
3801 2006-05-11 Jan Hubicka <jh@suse.cz>
3803 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3804 to be output at -O0.
3806 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3809 * fold-const.c (size_binop): Move sanity check for arguments to
3810 the beginning of the function.
3813 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3816 2006-05-11 Richard Guenther <rguenther@suse.de>
3819 * fold-const.c (fold_unary): Handle intermediate conversion
3820 to a pointer type like intermediate conversion to an integer
3821 type in folding of (T1)(T2)var to var.
3822 Match the code to the comment in the final conversion for
3823 (T1)(T2)var to (T1)var regarding to type precision. Rather
3824 than disallow T1 being of pointer type, assert that both T1
3825 and var are of pointer type or not. Make sure not to fall
3826 over the frontends lazyness wrt array to pointer decay though.
3828 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3830 * arm.c (arm_struct_value_rtx): Delete.
3831 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3832 (arm_init_cumulative_args): Always initialize nregs to zero.
3834 2006-05-10 Richard Guenther <rguenther@suse.de>
3836 PR tree-optimization/27532
3837 * tree-object-size.c (plus_expr_object_size): Fix typo.
3839 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3842 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3843 ashrdi_const, ashrdi3): Use a scratch register.
3845 2006-05-10 Richard Guenther <rguenther@suse.de>
3847 PR tree-optimization/27302
3848 * fold-const.c (operand_equal_p): For two comparisons,
3849 try comparison of one comparison code swapped if that yields
3852 2006-05-10 Ben Elliston <bje@au.ibm.com>
3854 * tree-pretty-print.c (pretty_print_string): No need to handle
3855 '\0' as a special character.
3857 * tree.h: Include "hashtab.h".
3858 (iterative_hash_expr): Use hashval_t in its prototype.
3859 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3861 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3864 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3865 (hppa*64*-*-hpux11*): Ditto.
3866 (hppa[12]*-*-hpux11*): Ditto.
3868 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3871 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3873 2006-05-09 Michael Matz <matz@suse.de>
3875 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3876 host_extra_gcc_objs and host_xmake_file.
3877 (<*-*-linux*>): Don't overwrite host_xmake_file.
3878 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3879 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3880 (host_detect_local_cpu): Declare.
3881 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3882 * config/i386/i386.c (override_options): Handle -mtune=native
3884 * config/i386/x-i386: New file.
3885 * config/i386/driver-i386.c: New file.
3886 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3889 2006-05-09 Dirk Mueller <dmueller@suse.de>
3890 Richard Guenther <rguenther@suse.de>
3893 * fold-const.c (fold_read_from_constant_string): Relax check
3894 for matching types to matching modes.
3896 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3898 PR rtl-optimization/27335
3899 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3902 2006-05-08 Chao-ying Fu <fu@mips.com>
3903 Richard Sandiford <richard@codesourcery.com>
3905 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3906 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3907 * config/mips/mips.md (UNSPEC_SCC): New constant.
3908 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3909 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3910 (mips_emit_compare): Use it.
3911 (mips_expand_vcondv2sf): New function.
3913 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3915 Fix PR tree-optimization/27093
3916 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3917 renaming when they become not-used_alone.
3919 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3921 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3922 relocation and relocation stubs.
3924 2006-05-08 Eric Christopher <echristo@apple.com>
3926 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3929 2006-05-08 Jan Hubicka <jh@suse.cz>
3932 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3933 unused static functions are needed.
3935 2006-05-08 Roger Sayle <roger@eyesopen.com>
3938 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3939 of a reg_equiv_constant if the result is a legitimate constant.
3941 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3944 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3945 standard 80387 constants, raise the cost to prevent
3946 compress_float_constant() to generate load from memory.
3948 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3950 * config/arm/constraints.md (c): Fix a typo.
3952 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3955 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3958 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3960 (_mm_mwait): Likewise.
3962 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3964 (sse3_monitor): Make it 32bit only.
3965 (sse3_monitor64): New. 64bit monitor.
3967 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3970 * config/i386/i386.c (classify_argument): Skip fields with invalid
3973 2006-05-07 Richard Guenther <rguenther@suse.de>
3975 PR tree-optimization/27409
3976 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3977 Do not try to find zero-sized subvars.
3979 2006-05-07 Richard Guenther <rguenther@suse.de>
3981 PR tree-optimization/27136
3982 * tree-ssa-loop-niter.c (get_val_for): Correct function
3983 comment, assert requirements.
3984 (loop_niter_by_eval): Stop processing if the iterated
3985 value did not simplify.
3987 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3989 * opts.c (flag_see): remove its setting at -O3.
3991 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3993 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3994 * arm/constraints.md: New file.
3995 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3996 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3997 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3998 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3999 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4000 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4001 * arm.md: Include constraints.md.
4002 (thumb_movsi_insn): Use satisfies_constraint_J.
4003 (movhi, movqi): Use satisfies_constraint_I.
4005 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4007 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4008 for atmeg a645 device.
4010 2006-05-06 Richard Guenther <rguenther@suse.de>
4012 PR tree-optimization/27151
4013 * tree-vect-transform.c (vectorizable_condition): Punt on
4014 values that have a different type than the condition.
4016 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4019 * c-parser.c (c_parser_cast_expression): Only insert casts into
4020 hash table if pointer.
4021 * function.c (used_types_insert_helper): Rename from
4023 (used_types_insert): Call used_types_insert_helper.
4024 * function.h (used_types_insert): Accept only one argument.
4026 2006-05-05 David Edelsohn <edesohn@gnu.org>
4028 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4029 scratch with output modifier.
4031 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4034 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4035 with output modifier.
4037 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4040 * config/mips/mips.c (mips_symbolic_address_p): Return true
4041 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4042 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4044 2006-05-04 Richard Guenther <rguenther@suse.de>
4046 PR tree-optimization/14287
4047 PR tree-optimization/14844
4048 PR tree-optimization/19792
4049 PR tree-optimization/21608
4050 PR tree-optimization/27090
4051 * tree-ssa-pre.c (try_combine_conversion): New function.
4052 (compute_avail): After constructing the value-handle
4053 expression, use try_combine_conversion to combine NOP_EXPRs
4054 with previous value-handle expressions and use the result if it
4057 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4059 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4061 2006-05-04 Jan Hubicka <jh@suse.cz>
4064 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4066 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4068 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4069 that this only matches CONST_INTs. All users changed to VOIDmode
4072 * config/bfin/bfin.c: Include "optabs.h".
4073 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4075 (enum bfin_builtins): Add a number of fractional and vector builtins.
4076 (bfin_init_builtins): Likewise.
4077 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4078 (safe_vector_operand, bfin_expand_binop_builtin,
4079 bfin_expand_unop_builtin): New functions.
4080 (bfin_expand_builtin): Handle the new builtins.
4081 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4084 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4087 * Makefile.in (OBJS-common): Add see.o.
4088 (see.o): Add dependencies.
4089 * common.opt (fsee): New flag for the see optimization was added.
4090 * opts.c (flag_see): Initialized.
4091 * passes.c (init_optimization_passes, pass_see): New pass.
4092 * rtl.h (see_main): Declaration as extern.
4093 * timevar.def (TV_SEE): New.
4094 * tree-pass.h (pass_see): Declaration as extern.
4095 * invoke.texi (-fsee): Document.
4096 * recog.c (validate_simplify_insn): New function.
4097 * recog.h (validate_simplify_insn): Declaration as extern.
4098 * df-problems.c (df_chain_dump): Check for NULL.
4100 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4101 Daniel Berlin <dberlin@dberlin.org>
4103 * cfgrtl.c (insert_insn_bb_end_new): New function.
4104 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4106 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4108 * df.h (struct web_entry): Moved from web.c.
4109 (union_defs): Declaration as extern.
4110 (unionfind_root): Likewise.
4111 (unionfind_union): Likewise.
4112 * web.c (struct web_entry): Moved to df.h.
4113 (unionfind_root): Remove static declaration.
4114 (unionfind_union): Likewise.
4115 (union_defs): Likewise and generalize to use callback function.
4116 (web_main): Update arguments for union_defs function call.
4118 2006-05-04 Richard Guenther <rguenther@suse.de>
4120 PR tree-optimization/26447
4121 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4122 produce SSA_NAME copies before the store stmt to avoid
4123 breaking exception handling.
4125 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4128 * gimplify.c (omp_is_private): If var is shared in some outer context,
4129 return false instead of true. Stop searching on parallel context
4132 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4135 * coverage.c: Use get_gcov_unsigned_t() instead of
4136 unsigned_type_node all over.
4138 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4140 PR tree-optimization/27381
4141 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4142 maintain the same immediate_use links.
4143 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4144 node rather than segfaulting.
4146 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4149 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4150 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4151 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4153 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4155 Fix PR tree-optimization/26626
4156 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4158 * tree-ssa-operands.c (access_can_touch_variable): Allow
4159 typecasting through union pointers.
4161 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4164 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4165 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4166 to find if var will be a global variable even in the nested context.
4167 (omp_copy_decl): Only check for global variable at the end, it might
4168 be overridden in outer contexts.
4169 (scan_sharing_clauses): For global variables don't create a field.
4170 (lower_rec_input_clauses): Do nothing for global shared variables.
4171 Emit a barrier at the end of ILIST if there were any decls in both
4172 firstprivate and lastprivate clauses.
4173 (lower_send_clauses): Do nothing for global variables except for
4176 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4178 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4179 of the correct signedness is returned.
4181 2006-05-02 Jeff Law <law@redhat.com>
4183 PR tree-optimization/27364
4184 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4185 multiply expressions.
4187 2006-05-02 Tom Tromey <tromey@redhat.com>
4189 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4191 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4194 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4195 -mthumb -fPIC are used.
4197 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4198 Joshua Kinard <kumba@gentoo.org>
4201 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4202 with 64-bit pointers.
4204 2006-05-02 Paul Brook <paul@codesourcery.com>
4206 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4208 (create_fix_barrier): Check that a suitable barrier location is
4210 (arm_reorg): Include ftmp->address in allowable range of addresses.
4212 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4215 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4218 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4221 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4222 around RESULT_DECL for result passed by reference.
4223 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4224 * omp-low.c (use_pointer_for_field): Don't look at
4225 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4226 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4227 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4228 time or var for passing by reference for
4229 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4230 TREE_ADDRESSABLE variables when passing by reference.
4232 * omp-low.c (dump_omp_region): Fix output formatting.
4235 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4236 (expand_omp_parallel): Likewise.
4237 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4240 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4241 on statement list containing also constructors and destructors.
4242 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4245 * except.c (duplicate_eh_regions): Fix clearing of
4246 cfun->eh->region_array entries.
4248 2006-05-01 DJ Delorie <dj@redhat.com>
4250 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4252 (gcc_cv_objdump): Likewise.
4253 * configure: Regenerated.
4255 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4258 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4259 templates for case 3 and 4.
4261 2006-05-01 DJ Delorie <dj@redhat.com>
4263 * vec.c: Include bconfig.h when appropriate.
4264 * Makefile.in (build/vec.o): Adjust dependencies.
4265 * mkconfig.sh: Make sure config.h isn't used for build machine
4268 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4270 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4272 (mark_phi_for_rewrite): New function.
4273 (insert_phi_nodes_for, mark_use_interesting): Call
4274 mark_phi_for_rewrite.
4275 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4276 (update_ssa): Initialize and free phis_to_rewrite.
4278 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4280 PR rtl-optimization/27291
4281 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4282 folded to a constant.
4284 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4286 PR tree-optimization/27283
4287 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4288 not whole # of iteration descriptions.
4289 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4290 uses abnormal ssa name.
4291 (niter_for_single_dom_exit): Ditto.
4292 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4293 return just the number of iterations.
4295 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4297 PR tree-optimization/27144
4298 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4299 (record_estimate): Only record constant upper bound.
4300 (infer_loop_bounds_from_undefined): Call
4301 compute_estimated_nb_iterations just once.
4302 (proved_non_wrapping_p): Renamed to ...
4303 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4304 (convert_step_widening, scev_probably_wraps_p): Call
4305 n_of_executions_at_most instead of proved_non_wrapping_p.
4306 (substitute_in_loop_info): Do not replace values in bounds.
4307 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4310 2006-05-01 Richard Henderson <rth@redhat.com>
4313 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4314 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4317 2006-05-01 Roger Sayle <roger@eyesopen.com>
4319 * c-typeck.c (parser_build_binary_op): Don't call the function
4320 unsigned_conversion_warning to spot operand/result type overflow.
4321 (build_binary_op): Instead, call convert_and_check instead of
4322 convert to report the problem when the operands are promoted.
4323 * c-common.c (unsigned_conversion_warning): Make static.
4324 * c-common.h (unsigned_conversion_warning): Delete prototype.
4326 2006-05-01 Richard Guenther <rguenther@suse.de>
4328 PR tree-optimization/26726
4329 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4331 (find_interesting_uses_address): ... we work around here
4332 by folding INDIRECT_REFs in the substituted base.
4334 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4336 * omp-low.c (dump_omp_region): Add newlines.
4338 2006-04-30 Roger Sayle <roger@eyesopen.com>
4340 * common.opt (Woverflow): New command line option.
4341 * c-common.c (constant_expression_warning): Check warn_overflow.
4342 (overflow_waring): Pass OPT_Woverflow to warning.
4343 (unsigned_conversion_warning): Likewise.
4344 (convert_and_check): Likewise.
4345 * doc/invoke.texi: Document new command line option.
4347 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4349 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4350 TARGET_NO_FP_IN_TOC for section anchors.
4351 (optimization_options): Enable section anchors for all
4352 non-"Objective" languages.
4354 2006-04-28 Eric Christopher <echristo@apple.com>
4356 * config/darwin-c.c (darwin_ms_struct): Move this
4357 (darwin_set_default_type_attributes): and this...
4358 * config/darwin.c: ... here.
4359 * config/darwin.h (darwin_ms_struct): Declare.
4361 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4363 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4365 2006-04-28 Roger Sayle <roger@eyesopen.com>
4368 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4369 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4370 an unsigned HOST_WIDE_INT.
4371 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4373 (really_start_incremental_init): No need to call convert because
4374 bitsize_zero_node is already of type bitsizetype.
4375 (push_init_level): Extract the value of constructor_index as an
4376 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4377 (process_init_element): Likewise.
4379 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4381 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4382 value before passing to make_relative_prefix.
4384 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4387 * builtins.c (expand_builtin_memset): Expand val in original mode.
4389 2006-04-27 Eric Christopher <echristo@apple.com>
4391 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4392 with #ifndef/#endif.
4393 * config/darwin-c.c (darwin_ms_struct): New.
4394 (darwin_pragma_ms_struct): Ditto.
4395 (darwin_set_default_type_attributes): Ditto.
4396 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4397 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4398 Register ms_struct pragma.
4399 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4400 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4401 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4402 darwin_set_default_type_attributes if TARGET_MACHO.
4404 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4406 PR tree-optimization/26854
4407 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4408 * doc/tree-ssa.texi: Update immuse iterator documentation.
4409 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4410 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4411 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4412 first_safe_imm_use, next_safe_imm_use): Remove.
4413 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4414 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4415 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4416 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4417 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4418 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4419 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4420 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4421 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4422 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4423 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4424 (perfect_nestify): Use new iterator.
4425 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4427 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4428 (next_imm_name): New field in struct immediate_use_iterator_d.
4429 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4430 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4431 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4432 * tree-cfg.c (replace_uses_by): Use new iterator.
4433 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4434 * tree-ssa-operands.c (correct_use_link): Remove.
4435 (finalize_ssa_use_ops): No longer call correct_use_link.
4437 2006-04-27 Stuart Hastings <stuart@apple.com>
4439 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4440 * config/t-darwin (crt3.o): Use it.
4441 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4442 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4443 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4444 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4445 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4448 2006-04-27 Roger Sayle <roger@eyesopen.com>
4450 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4451 size, force the intermediate into a new pseudo rather instead of
4452 performing both a bitwise AND and a bitwise IOR in memory.
4454 2006-04-27 Richard Guenther <rguenther@suse.de>
4456 PR rtl-optimization/26685
4457 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4458 this one "max-flow-memory-locations".
4460 2006-04-27 Richard Guenther <rguenther@suse.de>
4462 PR tree-optimization/25148
4463 * tree-vrp.c (compare_values): Remove code dealing with
4464 comparisons against type min/max value. Honour overflow
4465 and negative constants in code dealing with comparisons
4466 of plus and minus expressions.
4467 (value_inside_range): Use fold_binary with LE_EXPR and
4468 GE_EXPR rather than compare_values.
4470 2006-04-27 Dirk Mueller <dmueller@suse.de>
4472 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4475 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4477 * basic-block.h (safe_insert_insn_on_edge): Removed.
4478 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4480 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4481 Paolo Bonzini <bonzini@gnu.org>
4484 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4485 (simplify_and_const_int): Same.
4487 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4489 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4491 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4494 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4495 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4496 cgraph_global_info_ready.
4499 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4502 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4503 either decl or init is error_mark_node.
4506 * tree-flow.h (struct omp_region): Add sched_kind.
4507 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4508 instead of extracting omp for data.
4509 (expand_omp_for): Save extracted sched_kind.
4511 2006-04-25 Roger Sayle <roger@eyesopen.com>
4513 * expmed.c (store_bit_field): Also check whether the bitsize is
4514 valid for the machine's "insv" instruction before moving the
4515 target into a pseudo for use with the insv.
4516 * config/i386/predicates.md (const8_operand): New predicate.
4517 * config/i386/i386.md (extv, extzv, insv): Use the new
4518 const8_operand predicate where appropriate.
4520 2006-04-25 DJ Delorie <dj@redhat.com>
4522 * doc/install.texi (Specific): Clarify that this is not a list of
4523 supported hosts or targets.
4525 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4527 PR rtl-optimization/26725
4528 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4529 block's BB_DIRTY flag.
4531 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4533 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4536 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4537 to print an integer.
4539 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4541 * varasm.c (align_variable): New function.
4542 (get_block_for_decl): Apply align_variable to DECL before
4543 calculating section information.
4544 (assemble_variable): Split out alignment computation.
4546 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4548 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4551 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4553 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4554 MODE_PARTIAL_INT mode.
4555 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4556 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4558 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4559 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4561 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4563 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4565 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4566 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4567 MACFLAG_IH): Likewise.
4568 (movstricthi_1): Renamed from "*movstricthi".
4569 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4570 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4571 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4572 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4573 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4574 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4575 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4576 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4577 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4578 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4579 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4580 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4581 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4582 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4583 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4585 * doc/rtl.texi (ss_ashift): Improve wording.
4587 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4589 * dwarf2out.c (verify_marks_clear): New.
4590 (prune_unused_types): Call verify_marks_clear initially, not
4593 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4595 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4596 * doc/rtl.texi: Document them.
4597 * simplify-rtx.c (simplify_unary_operation,
4598 simplify_binary_operation_1): Don't abort when we see them.
4600 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4603 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4604 * configure.ac: Completely disregard languages that are not
4606 * configure: Regenerated.
4608 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4609 Richard Guenther <rguenther@suse.de>
4611 PR tree-optimization/27236
4612 * tree-inline.c (copy_body_r): Make sure to copy
4613 TREE_THIS_VOLATILE flag.
4615 2006-04-24 Richard Guenther <rguenther@suse.de>
4618 * tree-complex.c (update_parameter_components): Don't handle
4619 unused parameters which have no default def.
4621 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4622 Richard Guenther <rguenther@suse.de>
4624 PR tree-optimization/27218
4625 * tree-inline.c (expand_call_inline): Strip useless type
4626 conversions for the return slot address.
4628 2006-04-24 Richard Guenther <rguenther@suse.de>
4630 * cfgloop.h (struct loops): Remove unused field array. Reorder
4632 (LOOP_PREFETCH): Remove.
4634 2006-04-24 Richard Guenther <rguenther@suse.de>
4636 PR tree-optimization/22525
4637 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4638 variable, adjust types of generated expressions.
4640 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4642 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4643 (tree-vect-patterns.o): Likewise.
4645 (cselib.o): Likewise.
4646 (loop-doloop.o): Likewise.
4647 (regclass.o): Likewise.
4648 (reload1.o): Likewise.
4649 (explow.o): Replace target.h with $(TARGET_H).
4650 (ipa-prop.o): Likewise.
4651 (ipa-cp.o): Likewise.
4652 (ipa-inline.o): Likewise.
4653 (reorg.o): Likewise.
4654 (reg-stack.o): Likewise.
4656 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4658 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4660 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4662 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4664 * configure.ac: Completely disregard languages that are not
4666 * configure: Regenerated.
4669 * c-common.h (c_build_bitfield_integer_type): Declare.
4670 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4671 * c-common.c (c_build_bitfield_integer_type): ... here.
4673 2006-04-23 Roger Sayle <roger@eyesopen.com>
4676 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4677 a SImode SUBREG of a floating point register after no_new_pseudos.
4679 2006-04-23 Roger Sayle <roger@eyesopen.com>
4681 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4682 identify potentially eliminable registers to additionally catch
4683 VIRTUAL_INCOMING_ARGS_REGNUM.
4684 (addsi3): Update the conditions on when to use addsi_small_int.
4686 2006-04-23 Roger Sayle <roger@eyesopen.com>
4689 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4690 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4691 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4693 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4695 * fold-const.c (range_predecessor): Use operand_equal_p
4696 as the predicate for equality.
4697 (range_successor): Likewise.
4699 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4702 * config/soft-fp/op-common.h: Fix a typo.
4704 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4707 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4708 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4710 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4712 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4714 * doc/tm.texi: Fix a typo.
4716 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4718 * dwarf2out.c (struct die_struct): Document that die_sib makes
4719 a circular linked list.
4720 (FOR_EACH_CHILD): New.
4721 (reverse_die_lists): Delete.
4722 (reverse_all_dies): Delete.
4723 (add_dwarf_attr): Correct documentation.
4724 (remove_child_with_prev): New.
4725 (remove_child_TAG): Update for change to die_struct, use
4726 remove_child_with_prev.
4727 (add_child_die): Update for change to die_struct.
4728 (splice_child_die): Use remove_child_with_prev and add_child_die.
4729 (print_die): Use FOR_EACH_CHILD.
4730 (die_checksum): Likewise.
4731 (assign_symbol_names): Likewise.
4732 (output_location_lists): Likewise.
4733 (build_abbrev_table): Likewise.
4734 (calc_die_sizes): Likewise.
4735 (mark_dies): Likewise.
4736 (unmark_dies): Likewise.
4737 (unmark_all_dies): Likewise.
4738 (output_die): Likewise.
4739 (prune_unused_types_mark): Likewise.
4740 (prune_unused_types_walk): Likewise.
4741 (same_die_p): Update for change to die_struct.
4742 (break_out_includes): Likewise.
4743 (prune_unused_types_prune): Likewise.
4744 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4745 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4747 (dwarf2out_finish): Don't call reverse_all_dies.
4749 2006-04-21 Eric Christopher <echristo@apple.com>
4751 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4752 in comments and function names.
4754 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4757 * c-typeck.c (digest_init): Robustify.
4759 * c-typeck.c (pop_init_level): Simplify.
4761 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4763 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4765 2006-04-21 Paul Brook <paul@codesourcery.com>
4767 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4768 hardware floating point.
4770 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4772 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4775 2006-04-21 Nick Clifton <nickc@redhat.com>
4777 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4780 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4783 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4784 C++ lang type in traceback table for Objective-C++.
4786 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4788 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4790 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4792 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4795 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4796 were errors. Remove check for erroneous objects.
4798 2006-04-20 Jeff Law <law@redhat.com>
4800 PR tree-optimization/26854
4801 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4802 checking for zero or one use.
4803 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4804 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4805 * tree-ssa-reassoc.c (negate_value): Similarly.
4806 (reassociate_bb): Similarly.
4808 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4810 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4811 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4812 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4814 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4816 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4817 fp regs if the last fp arg doesn't fit in regs.
4819 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4822 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4823 that the last insn has the REG_INC note.
4825 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4826 Nathan Sidwell <nathan@codesourcery.com>
4829 * stor-layout.c (update_alignment_for_field): Do not align
4831 (place_union_field): Place union field at the start of the union.
4832 (place_field): Move ERROR_MARK check later, and use the current
4833 allocation position to maintain monotonicity.
4835 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4837 * dominance.c: Include timevar.h.
4838 (calculate_dominance_info): Use TV_DOMINANCE.
4839 * timevar.def (TV_DOMINANCE): New timevar.
4840 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4842 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4844 PR rtl-optimization/14261
4845 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4846 move would be an INSV insn.
4847 (noce_process_if_block): Don't optimize if the destination is a
4848 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4850 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4852 * config/s390/s390.md: Add comments with the instructions emitted
4853 by an insn pattern if macros are used.
4855 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4857 PR rtl-optimization/26026
4858 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4859 is a known power of two shifted left a variable amount.
4861 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4863 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4864 to hash table twice when the debug_str section has SECTION_MERGE.
4866 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4868 * config/soft-fp: New directory. From glibc.
4869 * config/soft-fp/t-softfp: New.
4870 * config/soft-fp/README: New.
4871 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4872 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4873 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4874 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4875 * config.gcc: Use rs6000/t-fprules-fpbit or
4876 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4878 * config/rs6000/sfp-machine.h: New. Based on glibc.
4879 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4881 * config/rs6000/t-fprules: Remove fp-bit rules.
4882 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4883 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4884 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4885 (softfp_wrap_start, softfp_wrap_end): New.
4887 2006-04-18 DJ Delorie <dj@redhat.com>
4889 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4891 2006-04-18 Devang Patel <dpatel@apple.com>
4893 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4895 2006-04-18 Nick Clifton <nickc@redhat.com>
4897 * config/sh/t-symbian: Add rule to build sh-c.o
4898 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4899 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4900 (sh_symbian_encode_section_info): Likewise.
4902 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4904 * builtins.c (expand_builtin_strcmp): Cover label definition of
4905 do_libcall with HAVE_cmpstrnsi.
4907 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4909 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4911 * function.h (temp_slot_p): New.
4912 (function): Change the type of x_used_temp_slots to
4913 VEC(temp_slot_p,gc) *.
4915 2006-04-18 Nick Clifton <nickc@redhat.com>
4917 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4918 flag_strength_reduce.
4920 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4922 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4926 Partial revert of revision 112637
4927 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4928 Dale Johannesen <dalej@apple.com>
4931 * regclass.c (struct reg_pref): Update documentation.
4932 (regclass): Set prefclass to NO_REGS if memory is the best option.
4933 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4935 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4937 PR tree-optimization/26821
4938 * tree-ssa-math-opts.c (get_constant_one): New.
4939 (insert_reciprocals): Use it.
4941 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4943 * dwarf2out.c (free_AT): Delete.
4944 (remove_AT): Update string ref counts.
4945 (remove_child_TAG): Don't call free_die.
4947 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4948 or DW_TAG_GNU_EINCL.
4949 (prune_unused_types_walk_attribs): Reset string refcounts.
4950 (prune_unused_types_update_strings): New.
4951 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4952 call free_die. Do call prune_unused_types_update_strings.
4953 (prune_unused_types): Empty debug_str_hash.
4955 2006-04-17 Roger Sayle <roger@eyesopen.com>
4957 * expr.c (expand_assignment): Optimize away no-op moves where the
4958 source and destination are equal and have no side-effects.
4960 2006-04-17 Richard Guenther <rguenther@suse.de>
4963 * reload.c (push_reload): Guard calls to get_secondary_mem
4966 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4968 * alias.c (reg_base_value, old_reg_base_value): Change the
4969 type to VEC(rtx,gc) *.
4970 (REG_BASE_VALUE, find_base_value, record_set,
4971 init_alias_analysis): Use VEC instead of VARRAY.
4973 * alias.c (alias_sets): Change the type to
4974 VEC(alias_set_entry,gc) *.
4975 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4976 VEC instead of VARRAY.
4977 (last_alias_set): Remove.
4979 * cgraph.h (cgraph_edge_p): New.
4980 Update the prototype of cgraph_function_versioning.
4981 * cgraphunit.c (cgraph_copy_node_for_versioning,
4982 cgraph_function_versioning): Use VEC instead of VARRAY.
4983 * ipa-cp.c (ipcp_insert_stage): Likewise.
4985 2006-04-16 Roger Sayle <roger@eyesopen.com>
4988 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4989 "A op B" or "A op C", we may need to convert A to the type of B and C.
4991 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4993 * target.h (struct gcc_target): Add mode_rep_extended.
4994 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4995 (init_num_sign_bit_copies_in_rep): Initialize it using
4997 (truncate_to_mode): Use it.
4998 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4999 * targhooks.h (default_mode_rep_extended): Declare it.
5000 * targhooks.c (default_mode_rep_extended): Define it.
5001 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5002 default_mode_rep_extended.
5003 (TARGET_INITIALIZER): Include it.
5004 * doc/tm.texi (Misc): Document it.
5005 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5006 (mips_truncated_to_mode): New function.
5008 2006-04-16 Roger Sayle <roger@eyesopen.com>
5011 * expr.c (compress_float_constant): Copy the narrow constant into
5012 a new pseudo before extending it to its final width.
5014 2006-04-16 Roger Sayle <roger@eyesopen.com>
5015 Andrew Pinski <pinskia@gcc.gnu.org>
5016 Dale Johannesen <dalej@apple.com>
5019 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5020 special case code to implement V8HImode and V16QImode with SSE2.
5022 2006-04-15 Roger Sayle <roger@eyesopen.com>
5024 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5025 trees are constructed with a suitable tree type.
5027 2006-04-15 Roger Sayle <roger@eyesopen.com>
5029 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5030 (integer_onep): Likewise.
5031 (integer_all_onesp): Likewise.
5032 (integer_pow2p): Likewise.
5033 (integer_nonzerop): Likewise.
5034 (real_zerop): Likewise.
5035 (real_onep): Likewise.
5036 (real_twop): Likewise.
5037 (real_minus_onep): Likewise.
5038 (int_size_in_bytes): Likewise.
5039 (host_integerp): Likewise.
5041 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5043 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5044 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5045 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5047 * tree-ssa-structalias.h (alias_info): Remove num_references.
5049 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5051 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5052 (output_bvb patterns): Likewise.
5053 * pa.c (output_bb): Use 'bb' insn for long branch case.
5054 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5055 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5056 1. Correct length operand for alternatives 1 and 2.
5057 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5058 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5060 2006-04-14 Roger Sayle <roger@eyesopen.com>
5062 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5063 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5064 were accidentally reverted by r112959.
5066 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5069 * except.h (eh_region_outermost): New prototype.
5070 * except.c (eh_region_outermost): New function.
5071 * tree-cfg.c (find_outermost_region_in_block): Use it.
5073 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5075 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5077 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5078 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5079 (init_reload, reload): Use VEC instead of VARRAY.
5080 * reload.h: Update the prototype for
5081 reg_equiv_memory_loc_varray.
5083 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5084 Eric Botcazou <ebotcazou@libertysurf.fr>
5086 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5089 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5092 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5093 to expand fallback builtin function call.
5095 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5098 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5099 and emit libcall here in case the builtin fails.
5100 (expand_builtin_strcmp): Always emit the libcall here on failure.
5102 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5104 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5105 * flow.c (reg_n_info): Change the type to
5106 VEC(reg_info_p,heap) *.
5107 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5109 * regs.h (reg_info_p): New.
5110 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5111 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5112 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5115 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5117 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5119 * params.h (MAX_SCHED_READY_INSNS): New macro.
5120 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5121 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5122 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5123 the ready list for 1 cycle during the first scheduling pass.
5124 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5126 2006-04-13 Richard Henderson <rth@redhat.com>
5129 * gimple-low.c (lower_omp_directive): Remove dead code.
5130 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5131 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5132 * omp-low.c (struct omp_region): Move to tree-flow.h.
5133 (root_omp_region): Export.
5134 (omp_regions, lookup_omp_region): Remove.
5135 (determine_parallel_type): Update for struct omp_region changes.
5136 (dump_omp_region): Dump regions with block numbers.
5137 (new_omp_region): Take type and block instead of stmt; malloc
5139 (free_omp_region_1, free_omp_regions): New.
5140 (expand_parallel_call): Take entry_stmt as argument; update for
5141 changes to omp_region.
5142 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5143 (remove_exit_barriers): New.
5144 (expand_omp_parallel): Update for struct omp_region changes.
5145 (expand_omp_synch): Likewise.
5146 (expand_omp): Likewise.
5147 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5148 (expand_omp_for_static_chunk): Likewise.
5149 (expand_omp_for): Likewise.
5150 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5151 (expand_omp_sections): Similarly, with GOMP_sections_end.
5152 (expand_omp_single): New.
5153 (build_omp_regions_1): Update for OMP_CONTINUE.
5154 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5155 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5156 OMP_SECTIONS_SECTIONS.
5157 (lower_omp_single_simple): Don't emit barrier here.
5158 (lower_omp_single_copy): Likewise.
5159 (lower_omp_single): Fix bindings, and lower to straightline now.
5160 (lower_omp_master, lower_omp_ordered): Likewise.
5161 (lower_omp_critical): Likewise.
5162 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5163 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5164 omp edges, free it afterward.
5165 (make_omp_sections_edges): Remove.
5166 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5167 (move_stmt_r): Handle OMP_CONTINUE.
5168 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5169 statement pointers to basic blocks. Add type member.
5170 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5171 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5172 * tree-inline.c (estimate_num_insns_1): Likewise.
5173 * tree-pretty-print.c (dump_generic_node): Likewise.
5174 * tree-ssa-operands.c (get_expr_operands): Likewise.
5175 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5176 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5177 (OMP_CONTINUE): New.
5178 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5179 (OMP_SECTIONS_SECTIONS): Remove.
5180 (OMP_SECTION_LAST): New.
5181 (OMP_RETURN_NOWAIT): New.
5183 2006-04-13 Roger Sayle <roger@eyesopen.com>
5185 * fold-const.c (native_encode_vector, native_interpret_real):
5186 Correct obvious mistakes in the previous check-in.
5188 2006-04-13 Roger Sayle <roger@eyesopen.com>
5190 * fold-const.c (native_encode_expr): New function to encode
5191 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5192 or VECTOR_CST into a specified buffer.
5193 (native_encode_int): New function.
5194 (native_encode_real): New function.
5195 (native_encode_complex): New function.
5196 (native_encode_vector): New function.
5197 (native_interpret_expr): Inverse of native_encode_expr to convert
5198 a target representation into an INTEGER_CST, REAL_CST etc...
5199 (native_interpret_int): New function.
5200 (native_interpret_real): New function.
5201 (native_interpret_complex): New function.
5202 (native_interpret_vector): New function.
5203 (fold_view_convert_expr): New function to constant fold/evaluate
5204 a VIEW_CONVERT_EXPR of a suitable constant expression.
5205 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5206 Change call of build1 to fold_build1 when constructing a
5209 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5210 Ulrich Weigand <uweigand@de.ibm.com>
5213 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5216 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5219 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5220 optimize to lo_sum for DFmode if !TARGET_FPRS.
5222 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5224 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5225 delete_alias_info, compute_flow_sensitive_aliasing,
5226 group_aliases): Use VEC instead of VARRAY.
5227 * tree-ssa-structalias.c (update_alias_info): Likewise.
5228 * tree-ssa-structalias.h (alias_info): Change the type of
5229 processed_ptrs to VEC(tree,heap) *.
5231 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5234 * config/sh/lib1funcs.h: New file, broken out of:
5235 * config/sh/lib1funcs.asm.
5236 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5238 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5239 * config/sh/lib1funcs-Os-4-200.asm: New file.
5240 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5241 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5242 (EXTRA_MULTILIB_PARTS): Include it.
5243 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5244 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5245 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5246 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5249 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5251 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5252 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5253 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5255 * tree-ssa-live.h: Include vecprim.h.
5256 (tree_partition_associator_d): Change the type of
5257 first_partition to VEC(int,heap) *.
5258 (tpa_first_partition): Use VEC instead of VARRAY.
5260 * Makefile.in (GTFILES): Move functions.h after tree.h.
5261 * function.c (reset_block_changes, record_block_change,
5262 check_block_change, free_block_changes): Use VEC instead of
5264 * function.h (function): Change the type of
5265 ib_boundaries_block to VEC(tree,gc) *.
5266 * tree-inline.c (copy_cfg_body): Initialize
5267 ib_boundaries_block to NULL instead of (varray_type) 0.
5269 2006-04-12 Roger Sayle <roger@eyesopen.com>
5271 * expr.c (emit_group_store): Correct operand order in call to
5272 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5273 a SUBREG_BYTE of zero.
5275 2006-04-12 Richard Guenther <rguenther@suse.de>
5277 * profile.c (compute_branch_probabilities): Remove code
5278 encapsulated in !ir_type (), which are remanents of the
5279 removed RTL profiling code.
5280 * rtl-profile.c: Remove.
5282 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5284 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5285 magic NULL_RTX comment.
5286 (function_arg): Store entire fp arg to mem if any part should go
5288 (rs6000_arg_partial_bytes): Adjust for above change.
5290 2006-04-11 Roger Sayle <roger@eyesopen.com>
5292 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5293 if it hasn't been initialized by dwarf2out_init.
5295 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5297 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5298 symbolic constants in branch patterns.
5300 2006-04-11 Roger Sayle <roger@eyesopen.com>
5302 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5304 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5306 PR rtl-optimization/27073
5307 * gcse.c (try_replace_reg): Revert last change. Continue to search
5308 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5311 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5313 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5314 aggregate types other than record and union types.
5315 (function_arg): Likewise.
5316 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5318 (function_value): In 64-bit mode, return objects that require it
5321 2006-04-11 Roger Sayle <roger@eyesopen.com>
5323 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5325 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5327 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5329 2006-04-03 Jeff Law <law@redhat.com>
5332 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5333 alias information too.
5335 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5337 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5339 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5342 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5343 (premark_used_types_helper): New.
5344 (premark_used_types): New.
5345 (gen_subprogram_die): Call premark_used_types.
5346 (prune_unused_types_walk): Do not prune perennial dies.
5347 * function.c (used_types_insert): New.
5348 * function.h (struct function): Add used_types_hash field.
5349 (used_types_insert): Add prototype.
5350 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5351 * c-parser.c (c_parser_cast_expression): Save casted types in used
5354 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5357 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5358 rs6000_explicit_options.float_gprs.
5360 2006-04-10 Roger Sayle <roger@eyesopen.com>
5362 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5363 from ix86_expand_vector_init_low_nonzero. Take an additional
5364 one_var argument indicating which element is non-zero. Support
5365 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5366 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5367 with one_var instead of ix86_expand_vector_init_low_nonzero.
5369 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5371 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5372 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5373 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5374 build/genextract.o): Depend on vecprim.h.
5375 * cfglayout.c, df-problems.c, function.c, genextract.c,
5376 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5377 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5381 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5383 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5384 Declare VECs of this type.
5385 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5386 (remove_children): Delete.
5387 (add_dwarf_attr): Use VEC routines.
5388 (add_AT_flag): Update for changes to add_dwarf_attr.
5389 (add_AT_int): Likewise.
5390 (add_AT_unsigned): Likewise.
5391 (add_AT_long_long): Likewise.
5392 (add_AT_vec): Likewise.
5393 (add_AT_string): Likewise.
5394 (add_AT_die_ref): Likewise.
5395 (add_AT_fde_ref): Likewise.
5396 (add_AT_loc): Likewise.
5397 (add_AT_loc_list): Likewise.
5398 (add_AT_addr): Likewise.
5399 (add_AT_lbl_id): Likewise.
5400 (add_AT_lineptr): Likewise.
5401 (add_AT_macptr): Likewise.
5402 (add_AT_offset): Likewise.
5403 (add_AT_range_list): Likewise.
5404 (get_AT): Use VEC_iterate.
5405 (remove_AT): Use VEC_ordered_remove.
5406 (free_die): Fold remove_children into here; have it use VEC_iterate.
5407 (print_die): Use VEC_iterate on attrs.
5408 (reverse_die_lists): Don't reverse attr lists.
5409 (die_checksum): Use VEC_iterate on attrs.
5410 (same_die_p): Likewise.
5411 (output_location_lists): Likewise.
5412 (build_abbrev_table): Likewise.
5413 (size_of_die): Likewise.
5414 (unmark_all_dies): Likewise.
5415 (output_abbrev_section): Likewise.
5416 (output_die): Likewise.
5417 (prune_unused_types_walk_attribs): Likewise.
5419 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5421 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5423 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5426 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5428 2006-04-09 Roger Sayle <roger@eyesopen.com>
5430 * expr.c (store_constructor): Don't bother clearing target if
5431 we're about to assign a vector to it using vec_init_optab.
5433 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5435 * tree-ssa-alias.c (lhs_may_store_to): New function.
5436 (recalculate_used_alone): Handle LHS of calls.
5438 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5442 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5443 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5444 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5445 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5446 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5447 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5448 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5449 stubs. Add ".align 8" directives before all ".dword" directives.
5450 (GTHREAD_USE_WEAK): Revise comment.
5451 (TARGET_ATTRIBUTE_WEAK): Define.
5452 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5453 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5454 * stublib.c: New file.
5459 * pa.md (cbranch patterns): Revise arguments used in calls to
5460 output_cbranch, output_bb and output_bvd. Add long branch length
5462 (fbranch patterns): Handle long branches.
5463 (jump): Revise length check. Revise arguments for output_lbranch call.
5464 Add long branch length attributes.
5465 (decrement_and_branch_until_zero): Add long branch length attributes.
5466 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5467 Likewise. Revise arguments for output_parallel_addb and
5468 output_parallel_movb calls.
5469 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5470 output_parallel_movb and output_parallel_addb): Update prototypes.
5471 * pa.c (output_cbranch): Revise arguments. Correct handling of
5472 nullification in long branches.
5473 (output_lbranch): Add new argument to control extraction of delay
5475 (output_bb): Handle long branches.
5476 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5477 output_parallel_addb): Likewise.
5479 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5481 PR rtl-optimization/27073
5482 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5485 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5487 * tree.h (tree_memory_tag): Add old_used_alone.
5488 (SMT_OLD_USED_ALONE): New macro.
5489 * tree-ssa-alias.c (recalculate_used_alone): Stop
5490 marking things for renaming unnecessarily.
5492 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5494 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5495 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5496 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5497 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5498 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5499 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5500 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5501 spelling convensions.
5502 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5503 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5504 typos. Follow spelling conventions.
5506 2006-04-07 DJ Delorie <dj@redhat.com>
5508 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5509 passed on the stack.
5510 (m32c_init_cumulative_args): When a function returns a structure,
5511 always pass the pointer to that return area on the stack.
5512 (m32c_function_arg_advance): Don't increment the parameter number
5513 if we're processing the returned structure pointer.
5514 (pushm_info): Reverse order of registers.
5516 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5518 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5519 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5520 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5521 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5523 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5524 chrec_fold_multiply): Same.
5525 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5526 force_expr_to_var_cost): Same.
5527 * tree-mudflap.c (mf_xform_derefs_1): Same.
5528 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5530 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5532 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5533 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5536 2006-04-07 Jan Hubicka <jh@suse.cz>
5538 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5540 2006-04-07 Richard Guenther <rguenther@suse.de>
5542 PR tree-optimization/26135
5543 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5544 loads for store copy-prop.
5545 (copy_prop_visit_stmt): Likewise.
5547 2006-04-05 Robert Millan <robertmh@gnu.org>
5549 * config/i386/linux.h: Add a comment to mark macros that are
5550 being overriden in config/k*bsd-gnu.h.
5551 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5553 * config/knetbsd-gnu.h: Ditto.
5555 2006-04-06 Jan Hubicka <jh@suse.cz>
5559 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5562 2006-04-06 Mike Stump <mrs@apple.com>
5564 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5565 for HAVE_nonlocal_goto to be consistent.
5566 (expand_builtin_nonlocal_goto): Likewise.
5567 (expand_builtin_strcmp): Use #ifdef instead of #if
5568 for HAVE_cmpstrnsi to be consistent.
5570 2006-04-05 DJ Delorie <dj@redhat.com>
5572 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5575 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5577 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5578 got-relative addressing for anything but SImode.
5580 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5581 even if the calling function doesn't modify them.
5583 2006-04-05 Richard Guenther <rguenther@suse.de>
5585 PR tree-optimization/26919
5586 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5587 to cgraph_estimate_size_after_inlining.
5589 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5591 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5593 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5595 PR tree-optimization/26996
5596 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5597 VECTOR_TYPE variables.
5599 2006-04-05 Richard Guenther <rguenther@suse.de>
5601 PR tree-optimization/26763
5602 * fold-const.c (fold_comparison): Move folding of
5603 PTR + CST CMP PTR + CST ...
5604 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5606 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5608 * doc/install.texi (Prerequisites): Refine some wording on
5609 bootstrapping and ksh.
5610 Move the version numbers of DejaGnu here from the testing section
5611 and fix casing of names.
5612 Fix markup and clarify wording for autogen requirements.
5613 Refer to GCJ instead of just java.
5614 Refer to SVN instead of CVS.
5615 Describe diffutils as useful instead of necessary.
5616 (Downloading the source): Refer to SVN instead of CVS.
5617 Adjust a link to our web site accordingly.
5618 (Configuration): Fix casing of Bison.
5619 (Building): Refer to SVN instead of CVS.
5620 Fix a sentence on the use of Bison and remove duplicate (and
5621 incorrect) version number of Bison requirement.
5622 Remove one redundant list of packages needed for building.
5623 (Specific): Avoid reference to CVS.
5625 2006-04-04 Eric Christopher <echristo@apple.com>
5627 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5628 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5629 (rs6000_handle_struct_attribute): New.
5630 (rs6000_ms_bitfield_layout_p): Ditto.
5632 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5634 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5635 NULL for dso parameter to atexit_common.
5637 2006-04-04 Eric Christopher <echristo@apple.com>
5639 * config/i386/i386.c (machopic_output_stub): Output \t
5640 between instructions and operands.
5642 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5644 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5645 satisfies_constraint_[IL] to explicit tests on value.
5647 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5649 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5650 set_nb_iterations_in_loop): Use build_int_cst instead of
5652 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5653 build_int_cst instead of convert.
5655 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5657 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5658 new value 2 for incoming.
5659 * function.c (expand_function_start): Call struct_value_rtx
5661 * config/sparc/sparc.md: Comment updated_return.
5662 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5663 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5664 struct return if sparc_std_struct_return and incoming is 2.
5665 (print_operand): Do not adjust return if
5666 sparc_std_struct_return.
5668 2006-04-04 Roger Sayle <roger@eyesopen.com>
5670 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5671 convert in the middle-end.
5672 * expr.c (store_expr, store_constructor, get_inner_reference,
5673 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5675 * tree.c (build_range_type): Likewise.
5677 2006-04-04 Tom Tromey <tromey@redhat.com>
5679 * doc/install.texi (Prerequisites): Mention jar.
5681 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5683 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5686 2006-04-04 Matthias Klose <doko@debian.org>
5688 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5689 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5692 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5694 * doc/extend.texi (Function Attributes): Rewrite visibility
5695 attribute documentation.
5696 * doc/invoke.texi (C++ Dialect Options): Rewrite
5697 -fvisibility-inlines-hidden documentation to describe something
5698 entirely different, although in practise compatible.
5699 (Code Gen Options): Warn about system headers in -fvisibility=
5702 * doc/extend.texi (Other Builtins): Document that
5703 __builtin_nan is a compile-time constant only when its argument
5706 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5708 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5709 trying to remove TRUNCATE check if all bits outside the new mode
5710 are identical to the sign bit.
5712 2006-04-03 Jeff Law <law@redhat.com>
5714 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5715 and operand scanning in some common cases.
5717 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5718 Dale Johannesen <dalej@apple.com>
5721 * regclass.c (struct reg_pref): Update documentation.
5722 (regclass): Set prefclass to NO_REGS if memory is the best option.
5723 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5724 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5725 into account. For non-registers, equate an empty preferred
5726 reload class to a `!' in the constraint; move the if clause to
5727 do so after those that reject the insn.
5728 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5730 (find_dummy_reload): Likewise.
5731 * doc/tm.texi (Register Classes): Document what it means
5732 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5733 * config/i386/i386.c (ix86_preferred_reload_class): Force
5734 using SSE registers (and return NO_REGS for floating-point
5735 constants) if math is done with SSE.
5736 (ix86_preferred_output_reload_class): New.
5737 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5738 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5739 * config/i386/i386.md: Remove # register preferences.
5741 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5744 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5745 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5746 the type of nb_iter.
5747 (instantiate_parameters_1): Convert the operands before calling
5748 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5749 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5751 2006-04-02 Roger Sayle <roger@eyesopen.com>
5753 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5754 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5756 * dojump.c (do_jump): Likewise.
5757 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5758 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5759 gimplify_boolean_expr): Likewise.
5760 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5761 * varasm.c (array_size_for_constructor): Likewise.
5762 * tree-object-size.c (compute_object_offset): Likewise.
5764 2006-04-02 Roger Sayle <roger@eyesopen.com>
5767 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5768 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5770 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5772 PR tree-optimization/26939
5773 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5775 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5777 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5778 at_stmt. Convert the type of operands before calling
5779 build_polynomial_chrec.
5780 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5782 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5783 (instantiate_parameters_1): Convert the type of operands before calling
5784 build_polynomial_chrec.
5785 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5786 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5787 reset_evolution_in_loop): Insert asserts to check the types of the
5789 (chrec_type): Moved...
5790 (eq_evolutions_p): Use operand_equal_p.
5791 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5792 the types of the operands.
5793 (chrec_type): ...here.
5794 * tree-data-ref.c (create_data_ref): Convert the operands before
5795 calling chrec_replace_initial_condition.
5796 (same_access_functions, analyze_subscript_affine_affine,
5797 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5798 (compute_subscript_distance, analyze_ziv_subscript,
5799 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5800 analyze_miv_subscript): Convert the operands before calling
5801 chrec_fold_minus or chrec_fold_plus.
5803 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5805 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5806 the dependence_relations vector.
5807 (compute_data_dependences_for_loop): Adjust call to
5808 compute_all_dependences.
5810 2006-04-01 Roger Sayle <roger@eyesopen.com>
5811 Richard Henderson <rth@redhat.com>
5813 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5814 gimple_boolify on the condition before calling gimplify_expr.
5816 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5818 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5819 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5820 the frame size. Update to use the new macros.
5821 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5822 * config/xtensa/ieee754-df.S: Likewise.
5824 2006-03-31 Richard Henderson <rth@redhat.com>
5826 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5827 (make_edges): ... here. Control fallthru creation with a local
5828 variable. Do not play with fake edges.
5829 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5830 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5833 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5835 * dwarf2.h (DW64_CIE_ID): Define.
5836 * dwarf2out.c (DWARF_CIE_ID): Define.
5837 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5838 length header. Use DWARF_CIE_ID.
5839 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5840 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5842 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5844 * config/sh/linux-atomic.asm: New file.
5845 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5847 2006-03-31 DJ Delorie <dj@redhat.com>
5849 * config/m32c/cond.md: Set condition flags properly throughout.
5850 * config/m32c/minmax.md: Likewise.
5851 * config/m32c/prologue.md: Likewise.
5852 * config/m32c/bitops.md: Likewise.
5853 * config/m32c/muldiv.md: Likewise.
5854 * config/m32c/mov.md: Likewise.
5855 * config/m32c/addsub.md: Likewise.
5856 * config/m32c/m32c.md: Likewise.
5857 * config/m32c/jump.md: Likewise.
5858 * config/m32c/shift.md: Likewise.
5860 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5861 conditionally output the pattern for this.
5862 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5863 (m32c_compare_redundant): New.
5864 (m32c_output_compare): New.
5865 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5867 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5868 dest, not src. Allow other 4-byte modes.
5870 2006-03-30 Denis Chertykov <denisc@overta.ru>
5872 * doc/md.texi: Refer to avr/constraints.md instead of
5875 2006-03-30 Roger Sayle <roger@eyesopen.com>
5877 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5878 signed vs. unsigned comparison failures on some hosts.
5880 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5883 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5884 change to FLOAT_REGS.
5886 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5887 (rs6000_override_options): Use it.
5888 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5889 only for -mabi=spe/no-spe and -mabi=altivec.
5891 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5893 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5896 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5898 * Makefile.in: Rename docdir to gcc_docdir.
5900 2006-03-30 Roger Sayle <roger@eyesopen.com>
5903 * expr.c (emit_group_store): Optimize group stores into a pseudo
5904 register by using a paradoxical subreg to initialize the destination
5905 if the first or last member of the group specifies a "low part".
5907 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5910 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5911 * target.h (struct gcc_target.speculate_insn): Change type of the
5912 second parameter to 'int'.
5913 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5914 the second operand of the DEPS_LIST.
5915 (copy_DEPS_LIST_list): Update reference to the second operand of the
5917 * rtl.h (alloc_DEPS_LIST): Update signature.
5918 * sched-int.h (ds_t): Change typedef to 'int'.
5919 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5921 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5923 * haifa-sched.c (try_ready): Change condition to restore
5924 non-speculative pattern of the instruction.
5925 (process_insn_depend_be_in_spec): Code to keep probability of the
5926 speculative dependence non-decreasing.
5928 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5930 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5931 (single_move_for_movmem): ... this. Also change all uses.
5932 (bfin_expand_strmov): Renamed to...
5933 (bfin_expand_movmem): ... this. Also change all uses.
5934 * config/bfin/bfin.md (movstrsi): Renamed to...
5935 (movstrsi): ...this.
5937 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5939 PR tree-optimization/26830
5941 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5942 (copy_prop_visit_stmt): Remove write-only variable ann.
5943 (init_copy_prop): Check variable loop depth here. Do not simulate
5944 memory-tag and virtual operand PHIs except for store copy prop.
5946 2006-03-30 Richard Guenther <rguenther@suse.de>
5948 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5949 variants with double arguments.
5951 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5953 * genpreds.c (write_tm_constrs_h): Delete variable p.
5954 * genconditions.c (write_header): Add tm-constrs.h to included
5956 * genpeep.c (main): Add toplev.h to included headers.
5957 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5958 (build/genpeep.o): Add toplev.h dependency.
5959 * config/rs6000/constraints.md: Add "W" constraint.
5961 2006-03-29 Roger Sayle <roger@eyesopen.com>
5963 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5964 sizes by correctly testing whether the size fits a host integer.
5965 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5966 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5967 SImode range for the default sizetype and bitsizetype.
5969 2006-03-29 Roger Sayle <roger@eyesopen.com>
5971 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5972 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5973 quickly if the argument is already of the correct type.
5974 Call fold_build1 instead of build1. Tidy up blank lines.
5976 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5978 * genemit.c (main): Add tm-constrs.h to included headers.
5979 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5980 * genpeep.c (main): Add tm-constrs.h to included headers.
5981 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5982 (write_tm_constrs_h): this and write complete file.
5983 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5984 (write_insn_preds_c): Add tm-constrs.h to included headers.
5985 (gen_constrs): New variable.
5986 (parse_option): Parse "-c".
5987 (main): Invoke write_tm_constrs_h.
5988 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5989 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5990 (object_out_file): Add tm-constrs.h dependency.
5991 (insn-emit.o): Same.
5992 (insn-output.o): Same.
5993 (insn-peep.o): Same.
5994 (insn-preds.o): Same.
5995 (insn-recog.o): Same.
5996 (tm-constsr.h): New target.
5997 (s-constrs-h): New target.
5999 * config/rs6000/constraints.md: New file.
6000 * config/rs6000/rs6000.c: Include tm-constrs.h.
6001 (num_insn_constant_wide): Convert to satisfies_constraint.
6002 (rs6000_rtx_costs): Convert to satisfies_constraint.
6003 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6004 (CONST_OK_FOR_LETTER_P): Delete.
6005 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6006 (EXTRA_CONSTRAINT): Delete.
6007 (EXTRA_MEMORY_CONSTRAINT): Delete.
6008 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6009 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6010 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6011 satisfies_constraint.
6013 * config/i386/i386.c: Include tm-constrs.h.
6015 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6017 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6018 * tree-data-ref.c (find_data_references_in_loop,
6019 compute_data_dependences_for_loop): Use pointers to VEC.
6020 (analyze_all_data_dependences): Adjust calls.
6021 * tree-data-ref.h (find_data_references_in_loop,
6022 compute_data_dependences_for_loop): Adjust declarations.
6023 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6024 compute_data_dependences_for_loop.
6026 2006-03-29 Paul Brook <paul@codesourcery.com>
6028 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6031 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6033 PR tree-optimization/26859
6034 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6036 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6037 for the step after fold_convert.
6039 2006-03-29 Paul Brook <paul@codesourcery.com>
6041 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6042 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6044 2006-03-29 Paul Brook <paul@codesourcery.com>
6047 * targhooks.c (default_narrow_bitfield): New fuction.
6048 * targhooks.h (default_narrow_bitfield): add prototype.
6049 * target.h (gcc_target): Add narrow_volatile_bitfield.
6050 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6051 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6052 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6053 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6055 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6057 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6059 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6060 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6061 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6062 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6063 (s390_function_arg_float): Allow SDmode and DDmode values to be
6064 passed in floating point registers.
6065 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6066 check with SCALAR_FLOAT_MODE_P.
6067 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6069 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6071 PR tree-optimization/25985
6072 * tree-ssa-loop-niter.c (number_of_iterations_le,
6073 number_of_iterations_ne): Make comments more precise.
6074 (number_of_iterations_cond): Add only_exit argument. Use the
6075 fact that signed variables do not overflow only when only_exit
6077 (loop_only_exit_p): New.
6078 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6079 number_of_iterations_cond.
6081 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6083 PR tree-optimization/26643
6084 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6087 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6089 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6090 (divsi3_i4_int): Likewise.
6092 2006-03-28 Roger Sayle <roger@eyesopen.com>
6094 * expr.c (emit_group_store): Only create a new pseudo reg if the
6095 quantity it needs to hold isn't already a suitable pseudo.
6097 2006-03-28 Jeff Law <law@redhat.com>
6099 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6100 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6102 2006-03-28 Roger Sayle <roger@eyesopen.com>
6104 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6105 the equivalent ~X & Y, and the symmetry related transformations.
6106 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6107 ~X & Y, and symmetry related transforms.
6109 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6111 Revert my 2006-03-27 patches.
6113 2006-03-28 Roger Sayle <roger@eyesopen.com>
6115 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6116 ~(T1)X, when T1 and T2 are integer types of the same precision
6117 and (T2)X isn't an extension.
6119 2006-03-28 Jeff Law <law@redhat.com>
6121 PR tree-optimization/26796
6122 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6123 need EH edge cleanups rather than purging them immediately.
6124 (eliminate_degenerate_phis): Handle queued EH cleanups.
6126 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6128 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6131 2006-03-27 Roger Sayle <roger@eyesopen.com>
6134 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6135 cast BIT_NOT_EXPR operand to the correct type.
6137 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6139 * tree-loop-linear.c: Don't include varray.h.
6140 (gather_interchange_stats, try_interchange_loops,
6141 linear_transform_loops): Use VEC instead of VARRAY.
6142 * lambda-mat.c: Don't include varray.h.
6143 * tree-chrec.c: Same.
6144 * lambda-trans.c: Same.
6145 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6146 VEC instead of VARRAY.
6147 * tree-vectorizer.h: Idem.
6148 * tree-data-ref.c (dump_data_references,
6149 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6150 initialize_data_dependence_relation, finalize_ddr_dependent,
6151 compute_all_dependences, find_data_references_in_loop,
6152 compute_data_dependences_for_loop, analyze_all_data_dependences,
6153 free_dependence_relation, free_dependence_relations,
6154 free_data_refs): Idem.
6155 * tree-data-ref.h (data_reference_p, subscript_p): New.
6156 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6157 VEC instead of VARRAY.
6158 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6159 (find_data_references_in_loop, compute_data_dependences_for_loop,
6160 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6161 dump_data_dependence_relations, free_dependence_relations,
6162 free_data_refs): Adjust declaration.
6163 (lambda_transform_legal_p): Move declaration here...
6164 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6165 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6166 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6167 vect_analyze_data_refs): Use VEC instead of VARRAY.
6168 * lambda.h (lambda_transform_legal_p): ...from here.
6169 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6170 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6171 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6172 tree-chrec.o): Don't depend on VARRAY_H.
6174 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6176 * rtl.def (Copyright): Update date.
6177 (DEPS_LIST): Change type of the second operand to 'int'.
6178 * target.h (Copyright): Update date.
6179 (struct gcc_target.speculate_insn): Change type of the second parameter
6181 * lists.c (Copyright): Update date.
6182 (alloc_DEPS_LIST): Change signature. Update reference to the second
6183 operand of the DEPS_LIST.
6184 (copy_DEPS_LIST_list): Update reference to the second operand of the
6186 * rtl.h (Copyright): Update date.
6187 (alloc_DEPS_LIST): Update signature.
6188 * sched-int.h (Copyright): Update date.
6189 (ds_t): Change typedef to 'int'.
6190 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6192 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6194 * haifa-sched.c (Copyright): Update date.
6195 (try_ready): Change condition to restore non-speculative pattern
6197 (process_insn_depend_be_in_spec): Code to keep probability of the
6198 speculative dependence non-decreasing.
6200 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6202 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6203 shut up the compiler.
6205 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6207 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6208 to use lib prefix for target.
6209 ($(T)libic_invalidate_array_4-200.a): Likewise.
6210 ($(T)libic_invalidate_array_4a.a): Likewise.
6212 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6213 J"orn Rennecke <joern.rennecke@st.com>
6215 * superh.opt: New file.
6216 * sh.c (boardtype, osruntime): Remove.
6217 * superh.h (SUBTARGET_OPTIONS): Remove.
6218 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6220 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6221 arguments with ^ and/or [].
6223 * config.gcc (sh-*-*): Add quoting to account for quirk of
6225 Replace == with = in enable_incomplete_targets test.
6227 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6228 with MASK_LITTLE_ENDIAN.
6230 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6231 * config/sh/sh.opt: Added to some comments.
6232 * config/sh/superh.h: Removed some chaff.
6234 * config/sh/sh.opt: Add m4-[1234]00* options.
6235 * config/sh/sh.c (sh_handle_option): Likewise.
6236 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6237 (ic_invalidate_array_4-100.o): New rule.
6238 ($(T)libic_invalidate_array_4-100.a): Likewise.
6239 (ic_invalidate_array_4-200.o): Likewise.
6240 ($(T)libic_invalidate_array_4-200.a): Likewise.
6241 (ic_invalidate_array_4a.o): Likewise.
6242 ($(T)libic_invalidate_array_4a.a): Likewise.
6243 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6244 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6246 * config/sh/crt1.asm: Merged in profiling code.
6247 * config/sh/superh.h (STARTFILE_SPEC): Override.
6248 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6249 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6250 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6252 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6253 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6254 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6256 * sh.opt (mpretend-cmove): New option.
6257 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6258 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6259 (movsicc): Add TARGET_PRETEND_CMOVE code.
6261 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6263 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6264 s390_class_max_nregs): New function prototypes.
6265 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6266 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6267 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6268 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6270 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6272 * dwarf2out.c (add_location_or_const_value_attribute): Call
6273 tree_add_const_value_attribute if nothing else works.
6274 (reference_to_unused): New.
6275 (rtl_for_decl_init): Use reference_to_unused to decide whether
6276 to output an initializer.
6278 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6281 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6282 peephole removing spe frob_di_df_2.
6284 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6286 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6287 (subscript_dependence_tester_1): Declared.
6288 (print_dir_vectors, print_dist_vectors): New.
6289 (debug_data_dependence_relation): New.
6290 (dump_data_dependence_relation): Print more details.
6291 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6292 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6293 (save_dist_v, save_dir_v, add_outer_distances,
6294 build_classic_dist_vector_1): New.
6295 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6296 Don't test for lambda_vector_lexico_pos.
6297 (same_access_functions, add_multivariate_self_dist,
6298 add_other_self_distances, dir_from_dist): New.
6299 (build_classic_dir_vector): Replace implementation almost identical to
6300 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6302 (subscript_dependence_tester_1): New.
6303 (subscript_dependence_tester): Handle the lexicographically negative
6304 distance vectors by recomputing the dependence relation.
6305 (compute_affine_dependence): Remove parameter loop_nest_depth.
6306 (compute_self_dependence): Don't call compute_subscript_distance.
6307 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6308 Add a parameter for the loop_nest.
6309 (find_loop_nest_1, find_loop_nest): New.
6310 (compute_data_dependences_for_loop): Compute the loop nest, and give
6311 up if the nest is not well formed.
6312 * tree-data-ref.h (loop_p): New.
6313 (struct data_dependence_relation): Replace size_vect field with
6314 loop_nest, a vec of loops.
6315 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6316 (DDR_LOOP_NEST): New.
6317 (print_dir_vectors, print_dist_vectors,
6318 debug_data_dependence_relation): Declared.
6319 (index_in_loop_nest): New.
6320 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6321 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6324 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6326 * simplify-rtx.c (simplify_relational_operation): Call
6327 simplify_relational_operation_1 even if mode is VOIDmode.
6329 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6331 PR tree-optimization/26804
6332 * tree.h (DECL_CALL_CLOBBERED): New macro.
6333 (tree_decl_common): Add call_clobbered_flag.
6334 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6335 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6336 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6337 (mark_non_addressable): Ditto.
6338 * tree-ssa.c (verify_call_clobbered): New function.
6339 (verify_alias_info): Use it.
6340 * tree-pass.h (pass_reset_cc_flags): New prototype.
6341 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6342 (reset_cc_flags): New function.
6343 * passes.c (init_optimization_passes): Call reset_cc_flags after
6344 initializing referenced_vars.
6346 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6347 Roger Sayle <roger@eyesopen.com>
6350 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6351 to 1.0 for non-real operands. Implement A / A optimization for
6354 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6356 * config/i386/i386.c (size_cost): Correct the comment for
6357 cost of storing fp registers.
6358 (i386_cost): Likewise.
6359 (i486_cost): Likewise.
6360 (pentium_cost): Likewise.
6361 (pentiumpro_cost): Likewise.
6362 (k6_cost): Likewise.
6363 (athlon_cost): Likewise.
6364 (k8_cost): Likewise.
6365 (pentium4_cost): Likewise.
6366 (nocona_cost): Likewise.
6367 (generic64_cost): Likewise.
6368 (generic32_cost): Likewise.
6370 2006-03-24 Denis Chertykov <denisc@overta.ru>
6372 * config/avr/avr-protos.h (extra_constraint): Delete.
6373 (extra_constraint_Q): New declaration.
6374 * config/avr/constraints.md: New file.
6375 * config/avr/avr.md: Include it.
6376 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6377 (TMP_REGNO, ZERO_REGNO): Likewise.
6378 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6379 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6380 (extra_constraint): Delete.
6381 (extra_constraint_Q): Test for memory constraint 'Q'.
6382 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6383 (REG_CLASS_FROM_LETTER): Delete.
6384 (CONST_OK_FOR_LETTER_P): Delete.
6385 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6386 (EXTRA_CONSTRAINT): Delete.
6387 (TMP_REGNO): Delete.
6388 (ZERO_REGNO): Delete.
6390 2006-03-24 Jeff Law <law@redhat.com>
6392 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6393 directly. Call mark_new_vars_to_rename slightly earlier.
6395 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6397 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6399 (gen_compile_unit_die): Use new language types for Objective-C and
6401 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6402 DW_LANG_C_plus_plus.
6405 * config/t-darwin (crt3.o): Work around bug 26840.
6406 * config/darwin-crt3.c: Rewrite.
6407 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6409 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6411 * doc/invoke.texi: Document -femit-class-debug-always
6412 * common.opt: Add -femit-class-debug-always.
6414 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6416 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6417 index and base register.
6418 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6419 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6420 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6421 REGNO_OK_FOR_INDEX_P.
6422 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6424 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6425 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6426 REG_OK_FOR_BASE_P): Definitions removed.
6428 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6431 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6432 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6433 set yet or weren't marked as local yet.
6435 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6437 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6440 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6442 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6443 (rs6000_legitimate_small_data_p): Delete.
6444 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6445 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6446 and make static. Add forward declaration. Update uses.
6447 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6448 of offsettable_memref_p.
6449 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6450 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6452 2006-03-24 Jeff Law <law@redhat.com>
6454 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6455 around bug in immediate-use iterator.
6457 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6460 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6461 or __LITTLE_ENDIAN__.
6463 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6465 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6466 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6467 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6468 * config/sh/sh.opt (mdiv=): Amend description.
6469 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6470 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6471 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6472 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6473 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6474 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6475 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6476 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6477 TARGET_DIVIDE_CALL_FP.
6479 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6481 * haifa-sched.c (choose_ready): Fix type of the local variable.
6482 Move local variables. Add comment.
6483 (check_reg_live): Change signature. Make callable from debugger.
6484 * sched-int.h (check_reg_live): Update signature.
6485 * sched-ebb.c (check_reg_live): Update parameters.
6486 * sched-rgn.c (check_reg_live): Ditto.
6487 (region_head_or_leaf_p): Check pointer before dereferencing.
6488 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6489 before reload on optimization levels below 1.
6491 2006-03-23 Richard Henderson <rth@redhat.com>
6493 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6497 * config/alpha/predicates.md (local_symbolic_operand): Reject
6500 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6503 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6504 expressions which have overflowed constants.
6506 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6508 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6510 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6512 * cfgloopmanip.c (create_loop_notes): Removed.
6513 * final.c (final_scan_insn): Do not handle loop notes.
6514 * jump.c (squeeze_notes): Ditto.
6515 * cfglayout.c (skip_insns_after_block,
6516 duplicate_insn_chain): Ditto.
6517 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6519 * cfgloop.h (create_loop_notes): Declaration removed.
6521 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6523 * varasm.c (output_constant_pool): Restore fnname and fndecl
6525 (assemble_start_function): Adjust call accordingly.
6526 (assemble_end_function): Likewise.
6528 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6531 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6534 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6536 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6539 * system.h (ICE_EXIT_CODE): New macro.
6540 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6541 (diagnostic_action_after_output): Likewise.
6542 * gcc.c (fatal_ice): New function.
6543 (execute): Use it instead of fatal.
6544 (fancy_abort): Likewise.
6545 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6547 2006-03-22 Jeff Law <law@redhat.com>
6549 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6550 iv_analyze_result returning false.
6552 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6554 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6556 2006-03-22 Richard Henderson <rth@redhat.com>
6559 * except.c (duplicate_eh_regions_0): New.
6560 (duplicate_eh_region_1): Duplicate the children of the node as
6561 well as the node itself. Link them up properly.
6562 (duplicate_eh_region_2): Merge into ...
6563 (duplicate_eh_regions): ... here. Take copy_region argument, and
6564 copy only a sub-tree if asked. Simplify copying and fixup.
6565 (eh_region_outer_p): New.
6566 * except.h (duplicate_eh_regions): Update decl.
6567 (eh_region_outer_p): Declare.
6568 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6569 (lower_omp_master): Likewise.
6570 (lower_omp_ordered): Likewise.
6571 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6572 (move_stmt_r): Use it to remap labels. Handle recursion vs
6573 remap_decls_p properly.
6574 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6575 (find_outermost_region_in_block): New.
6576 (new_label_mapper): New.
6577 (move_sese_region_to_fn): Copy eh information to the new function
6579 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6581 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6584 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6586 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6587 into shared libraries.
6589 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6591 * doc/md.texi: Refer to i386/constraints.md instead of
6593 * config/i386/constraints.md: New file, extracted from...
6594 * config/i386/predicates.md: ...here.
6595 * config/i386/i386.md: Include constraints.md.
6597 2006-03-21 Jason Merrill <jason@redhat.com>
6599 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6602 * expr.c (init_block_move_fn): Force default visibility.
6603 (init_block_clear_fn): Likewise.
6604 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6605 * targhooks.c (default_external_stack_protect_fail): Likewise.
6607 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6609 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6610 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6611 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6612 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6613 (loadgp): Use mips_current_loadgp_style.
6614 (loadgp_noshared): New pattern.
6615 (sibcall_internal): Use MIPS_CALL.
6616 (sibcall_value_internal): Likewise.
6617 (sibcall_value_multiple_internal): Likewise.
6618 (call_internal): Likewise.
6619 (call_value_internal): Likewise.
6620 (call_value_multiple_internal): Likewise.
6621 (call_split): Use MIPS_CALL and add an 'S' constraint.
6622 (call_value_split): Likewise.
6623 (call_value_multiple_split): Likewise.
6624 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6625 (-mshared): New option.
6626 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6627 (mips_current_loadgp_style): Declare.
6628 * config/mips/mips.c (mips_classify_symbol): Avoid using
6629 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6630 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6631 TARGET_ABSOLUTE_ABICALLS.
6632 (override_options): Adjust comments. Improve the warning that is
6633 issued when -mabicalls and -G are used together.
6634 (mips_file_start): Remove comment.
6635 (mips_current_loadgp_style): New function.
6636 (mips_gnu_local_gp): New variable.
6637 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6639 (mips_output_function_prologue): Use mips_current_laodgp_style.
6640 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6641 the cprestore instruction.
6642 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6643 live for TARGET_ABSOLUTE_ABICALLS.
6644 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6645 (ASM_SPEC): Pass down -mshared and -mno-shared.
6646 (MIPS_CALL): New macro.
6647 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6649 * doc/invoke.texi (-mabicalls): Update documentation.
6650 (-mshared): Document.
6652 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6654 * config/ia64/unwind-hpux.c: New file.
6655 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6657 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6660 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6662 2006-03-21 Jeff Law <law@redhat.com>
6664 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6665 type conversions of a VR_VARYING source to a wider type.
6667 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6669 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6670 tm_file on Solaris 10 and later.
6671 (sparc64-*-solaris2*): Likewise.
6672 (sparc-*-solaris2*): Likewise.
6673 * config/sol26.h: Rename to config/sol2-6.h.
6674 * config/sol2-10.h: New file.
6676 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6679 * tree-ssa-pre.c (create_component_ref_by_pieces):
6682 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6685 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6686 return it immediately.
6688 2006-03-21 Michael Matz <matz@suse.de>
6690 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6692 (remove_arc, add_arc): Update num_out_arcs member.
6693 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6695 (cache_presence): New function.
6696 (compare_states_for_equiv): New function.
6697 (state_is_differed): Don't take number of outargs, adjust callers.
6698 Use new invariant for speeding up.
6699 (init_equiv_class): Create initial classes based on sorted
6701 (partition_equiv_class): Don't track out_arcs_num.
6702 (evaluate_equiv_classes): Call cache_presence on all states and
6705 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6707 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6708 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6709 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6710 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6712 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6713 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6714 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6715 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6716 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6718 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6719 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6720 (REGNO_REG_CLASS): ARGP is in PREGS.
6721 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6723 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6724 to deal with those addresses.
6725 * addresses.h: New file.
6726 * caller-save.c: Include "addresses.h".
6727 (init_caller_save): Use new base_reg_class function.
6728 * rtl-factoring.c: Include "addresses.h".
6729 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6730 * recog.c: Include "addresses.h".
6731 (preprocess_constraints): Use new base_reg_class function.
6732 * regrename.c: Include "addresses.h".
6733 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6734 functions. Keep track of a new var INDEX_CODE to compute valid
6736 (replace_oldest_value_addr): Likewise.
6737 (replace_oldest_value_mem): Use base_reg_class.
6738 * reload.c: Include "addresses.h".
6739 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6740 (find_reloads): Use new base_reg_class function.
6741 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6742 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6743 all callers and prototype changed.
6744 * reload1.c: Include "addresses.h".
6745 (maybe_fix_stack_asms): Use base_reg_class.
6746 * regclass.c: Include "addresses.h".
6747 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6748 (init_reg_autoinc): Use new base_reg_class function.
6749 (record_reg_classes): Likewise.
6750 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6751 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6752 Use new args to compute necessary class.
6754 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6755 regrename.o, rtl-factoring.o): Update dependencies.
6756 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6757 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6758 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6759 REG_OK_FOR_INDEX_P): Delete documentation.
6761 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6763 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6764 from V7 to V9 for Solaris 7 and above.
6766 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6768 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6769 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6770 argument pointers may not alias any other storage.
6771 * common.opt: Define option -fargument-noalias-anything.
6772 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6773 alias semantics is specified by flag_argument_noalias > 2.
6775 2006-03-20 Jeff Law <law@redhat.com>
6777 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6778 (pass_phi_only_cprop): Declare.
6779 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6781 * tree-ssa-dom.c (degenerate_phi_result): New function.
6782 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6783 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6784 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6785 (eliminate_degenerate_phis): Likewise.
6786 (pass_phi_only_cprop): New pass descriptor.
6787 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6788 support code. Callers updated.
6789 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6790 (store_copy_prop): Likewise.
6791 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6793 2006-03-20 Jason Merrill <jason@redhat.com>
6796 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6797 (push_visibility, pop_visibility): Likewise.
6798 * c-pragma.h: Declare them.
6800 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6802 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6804 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6805 parameter and use get_ebb_head_tail.
6806 (sh_md_init_global): Adjust uses of find_regmode_weight.
6808 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6810 * function.h (struct function) <x_tail_recursion_reentry>:
6811 Rename to x_stack_check_probe_note.
6812 (tail_recursion_reentry): Rename to stack_check_probe_note.
6813 * function.c: Replace tail_recursion_reentry with
6814 stack_check_probe_note everywhere.
6815 (expand_function_start): Only emit a note for
6816 stack_check_probe_note with -fstack-protect.
6817 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6819 * emit-rtl.c (remove_unnecessary_notes): Remove.
6820 (pass_remove_unnecessary_notes): Remove.
6821 * rtl.h (remove_unnecessary_notes): Remove prototype.
6822 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6823 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6824 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6826 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6829 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6830 (valid_in_set): Handle ARRAY_REF.
6831 Change "if min_variant or VH" to asserts.
6832 (create_component_ref_by_pieces): Handle ARRAY_REF.
6833 (create_expression_by_pieces): Likewise.
6834 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6836 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6838 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6839 is operand of switch, not str[0].
6841 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6843 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6844 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6846 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6848 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6849 end of insn_extra_address_constraint declaration.
6851 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6853 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6854 (no-sum-in-toc): Same.
6855 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6857 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6858 NO_FP_IN_TOC for -fPIC instead of mask.
6860 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6861 (BOOT_LDFLAGS): Delete.
6863 * config/rs6000/t-aix52: Same.
6865 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6866 (stmsi[345678]_power): New.
6868 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6870 * config/ia64/ia64.opt: Add empty line to end of file.
6872 2006-03-17 Richard Guenther <rguenther@suse.de>
6875 * builtins.c (get_pointer_alignment): For component style references
6876 adjust alignment to the component type alignment. Make sure
6877 to adjust alignment for component access of constants.
6879 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6881 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6884 2006-03-17 Paul Brook <paul@codesourcery.com>
6886 * doc/install.texi: Docuemnt --with-mode.
6887 * config.gcc: Add --with-mode for arm*-*-*.
6888 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6890 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6892 * sh.c (max_labelno_before_reorg): New variable.
6893 (sh_reorg): Initialize it.
6894 (find_barrier): Check max_labelno_before_reorg before using
6895 label_to_alignment. Take length of explicit alignment insns
6896 into account. When seeing a UNSPECV_CONST_END, return it.
6898 * sh.c (fixup_mova): Set mode of affected label to QImode.
6899 (untangle_mova): New function.
6900 (find_barrier): Use it. Check mode of label before decrementing
6902 (sh_reorg): Likewise.
6903 Set mode of all insns back to VOIDmode.
6905 * sh.c (MOVA_LABELREF): New macro.
6906 (mova_p, fixup_mova, sh_reorg): Use it.
6907 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6908 ADDR_DIFF_VEC matches mova.
6910 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6912 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6913 with ATTRIBUTE_UNUSED.
6915 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6917 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6918 pointer, instead of assuming it is possible to derive the
6919 correct args size from a call insn.
6921 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6923 * rtl.h (CONST_INT_P): Define.
6924 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6925 instead of GET_CODE(x) == CONST_INT.
6926 (vax_rtx_costs): Likewise.
6927 (vax_output_int_move): Likewise.
6928 (vax_output_int_add): Likewise.
6929 (legitimate_constant_address_p): Likewise.
6930 (index_term_p): Likewise.
6931 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6932 * config/vax/vax.md (and<mode>3): Likewise.
6933 (ashrsi3): Likewise.
6935 (movstricthi): Likewise.
6936 (movstrictqi): Likewise.
6937 (rotrsi3): Likewise.
6938 (five unnamed insns): Likewise.
6940 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6942 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6943 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6944 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6945 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6946 Pass to ASM_OUTPUT_DWARF_OFFSET.
6947 * dwarf2out.c (debug_frame_section): New.
6948 (output_call_frame_info): Use debug_frame_section. Pass it to
6949 dw2_asm_output_offset.
6950 (output_die): Pass appropriate section to dw2_asm_output_offset.
6951 (output_compilation_unit_header): Likewise.
6952 (output_pubnames): Likewise.
6953 (output_aranges): Likewise.
6954 (enum dw_val_class): Break dw_val_class_lbl_offset into
6955 dw_val_class_lineptr and dw_val_class_macptr.
6956 (add_AT_lbl_offset): Delete.
6957 (add_AT_lineptr): New.
6958 (add_AT_macptr): New.
6959 (AT_lbl): Expect a lineptr or macptr.
6960 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6961 (attr_checksum): Likewise.
6962 (same_dw_val_p): Likewise.
6963 (size_of_die): Likewise.
6964 (value_format): Likewise.
6965 (output_die): Likewise.
6966 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6968 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6969 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6970 * config/darwin-protos.h (darwin_file_start): New.
6971 (darwin_asm_output_dwarf_offset): New.
6972 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6973 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6975 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6976 if not EH section; simplify.
6977 (darwin_file_start): New.
6978 (darwin_asm_output_dwarf_offset): New.
6979 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6981 (DEBUG_INFO_SECTION): Likewise.
6982 (DEBUG_ABBREV_SECTION): Likewise.
6983 (DEBUG_ARANGES_SECTION): Likewise.
6984 (DEBUG_MACINFO_SECTION): Likewise.
6985 (DEBUG_LINE_SECTION): Likewise.
6986 (DEBUG_LOC_SECTION): Likewise.
6987 (DEBUG_PUBNAMES_SECTION): Likewise.
6988 (DEBUG_STR_SECTION): Likewise.
6989 (DEBUG_RANGES_SECTION): Likewise.
6990 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6991 (ASM_OUTPUT_DWARF_OFFSET): New.
6993 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6995 * config.gcc (tm_defines): Always add to previous value rather
6998 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7000 * config/mips/predicates.md (splittable_const_int_operand): New,
7001 split from move_operand.
7002 (splittable_symbolic_operand): New.
7003 (move_operand): Add commentary. Use splittable_const_int_operand.
7004 Inline mips_atomic_symbolic_constant_p.
7005 * config/mips/mips.md: Add combine splitters for handling moves
7006 of splittable_const_int_operands and splittable_symbolic_operands.
7007 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7008 (mips_split_symbol): Declare.
7009 (mips_move_integer): Declare.
7010 * config/mips/mips.c (mips_split_p): Make global.
7011 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7012 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7013 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7014 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7015 (mips_offset_within_object_p): Handle block symbols.
7016 (mips_atomic_symbolic_constant_p): Delete.
7017 (mips_cannot_force_const_mem): Return false for constants that
7018 mips_legitimize_move can handle.
7019 (mips_use_blocks_for_constant_p): New function.
7020 (mips_split_symbol): Make global.
7021 (mips_move_integer): Likewise. Add a temporary register argument.
7022 (mips_legitimize_const_move): Use splittable_const_int_operand and
7023 splittable_symbolic_operand.
7024 (mips_use_anchors_for_symbol_p): New function.
7025 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7026 (mips_split_p): Declare.
7028 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7030 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7031 (mips*-*-linux*): Likewise.
7033 2006-03-16 Roger Sayle <roger@eyesopen.com>
7034 Daniel Speyer <dspeyer@wam.umd.edu>
7037 * tree-dump.c (dump_real): New function.
7038 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7039 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7040 (tree-dump.o): Add $(REAL_H) to the dependencies.
7042 2006-03-16 Roger Sayle <roger@eyesopen.com>
7045 * real.c (real_from_string): If the mantissa is zero, don't bother
7046 parsing the exponent as the result should always be zero.
7048 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7050 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7052 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7054 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7055 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7056 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7057 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7058 ia64_sched_finish_global): New static functions to implement
7059 hooks from gcc_target.sched.
7060 (spec_check_no, max_uid, pending_data_specs): New static variables.
7061 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7062 ia64_spec_check_src_p): New static functions.
7063 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7064 (TARGET_SCHED_ADJUST_COST): Removed.
7065 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7066 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7067 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7068 TARGET_SCHED_GEN_CHECK,
7069 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7070 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7071 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7072 Fixed to handle speculation checks.
7073 (rtx_needs_barrier): Fixed to handle speculative loads and
7075 (ia64_variable_issue): Added code to count speculative loads and their
7077 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7079 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7081 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7083 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7084 (ia64_reorg): Reset stops_p to NULL after it is freed.
7085 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7086 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7087 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7089 (data_speculative, control_speculative, check_load): New attributes.
7090 (mov<mode>_advanced, mov<mode>_speculative,
7091 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7092 zero_extend<mode>di2_speculative,
7093 zero_extend<mode>di2_speculative_advanced): New patterns for
7094 data and control speculative loads.
7095 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7097 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7098 New pattern for data and control speculation checks.
7099 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7100 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7101 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7102 Auxiliary definitions for the patterns.
7103 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7104 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7106 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7108 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7109 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7110 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7111 New resource constraints.
7112 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7114 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7115 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7116 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7117 msched-in-control-spec, msched-ldc, msched-control-ldc,
7118 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7119 msched-prefer-non-control-spec-insns,
7120 msched-count-spec-in-critical-path): New flags to tune speculative
7122 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7123 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7124 msched-in-control-spec, msched-ldc, msched-control-ldc,
7125 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7126 msched-prefer-non-control-spec-insns,
7127 msched-count-spec-in-critical-path): Document new flags.
7129 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7131 * target.h (struct spec_info_def): New opaque declaration.
7132 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7133 speculate_insn, needs_block_p, gen_check,
7134 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7135 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7136 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7137 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7138 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7139 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7141 (TARGET_SCHED): Use new macros.
7142 * rtl.h (copy_DEPS_LIST_list): New prototype.
7143 * sched-int.h (struct sched_info): Change signature of new_ready field,
7144 adjust all initializations. New fields: add_remove_insn,
7145 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7146 region_head_or_leaf_p.
7147 (struct spec_info_def): New structure declaration.
7148 (spec_info_t): New typedef.
7149 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7150 recovery_block, orig_pat.
7151 (glat_start, glat_end): New variables declaraions.
7152 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7154 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7155 DETACH_LIFE_INFO, USE_GLAT.
7156 (enum SPEC_SCHED_FLAGS): New enumeration.
7157 (NOTE_NOTE_BB_P): New macro.
7158 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7159 attach_life_info, debug_spec_status, check_reg_live): New functions.
7160 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7161 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7163 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7164 * ddg.c (get_block_head_tail): Adjust all uses.
7165 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7166 (sms_sched_info): Initialize new fields.
7167 (contributes_to_priority): Removed.
7168 * haifa-sched.c (params.h): New include.
7169 (get_block_head_tail): Adjust all uses.
7170 (ISSUE_POINTS): New macro.
7171 (glat_start, glat_end): New global variables.
7172 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7173 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7174 old_last_basic_block, before_recovery, current_sched_info_var,
7175 rgn_n_insns, luid): New static variables.
7176 (insn_cost1): New function. Move logic from insn_cost to here.
7177 (find_insn_reg_weight1): New function. Move logic from
7178 find_insn_reg_weight to here.
7179 (reemit_notes, move_insn, max_issue): Change signature.
7180 (move_insn1): Removed.
7181 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7182 extend_bb): New static functions to support extension of scheduler's
7184 (generate_recovery_code, process_insn_depend_be_in_spec,
7185 begin_speculative_block, add_to_speculative_block,
7186 init_before_recovery, create_recovery_block, create_check_block_twin,
7187 fix_recovery_deps): New static functions to support
7188 generation of recovery code.
7189 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7190 restore_bb_notes, move_block_after_check, move_succs): New static
7191 functions to support ebb scheduling.
7192 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7193 functions to support handling of register live information.
7194 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7195 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7196 add_jump_dependencies): New static functions.
7197 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7198 consistancy checking.
7199 (debug_spec_status): New function to call from debugger.
7200 (priority): Added code to handle speculation checks.
7201 (rank_for_schedule): Added code to distinguish speculative instructions.
7202 (schedule_insn): Added code to handle speculation checks.
7203 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7204 Fixed to handle ebbs.
7205 (move_insn): Added code to handle ebb scheduling.
7206 (max_issue): Added code to use ISSUE_POINTS of instructions.
7207 (choose_ready): Added code to choose between speculative and
7208 non-speculative instructions.
7209 (schedule_block): Added code to handle ebb scheduling and scheduling of
7210 speculative instructions.
7211 (sched_init): Initialize new variables.
7212 (sched_finish): Free new variables. Print statistics.
7213 (try_ready): Added code to handle speculative instructions.
7214 * lists.c (copy_DEPS_LIST_list): New function.
7215 * sched-deps.c (extend_dependency_caches): New function. Move logic
7216 from create_dependency_caches to here.
7217 (get_dep_weak, ds_merge): Make global.
7218 * genattr.c (main): Code to output prototype for
7219 dfa_clear_single_insn_cache.
7220 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7221 (output_dfa_clean_insn_cache_func): Code to output
7222 dfa_clear_single_insn_cache function.
7223 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7225 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7227 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7228 New static variables.
7229 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7230 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7232 (ebb_sched_info): Initialize new fields.
7233 (get_block_head_tail): Adjust all uses.
7234 (compute_jump_reg_dependencies): Fixed to use glat_start.
7235 (schedule_ebb): Code to remove unreachable last block.
7236 (schedule_ebbs): Added code to update register live information.
7237 * sched-rgn.c (region_sched_info): Initialize new fields.
7238 (get_block_head_tail): Adjust all uses.
7239 (last_was_jump): Removed. Adjust users.
7240 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7241 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7242 Implement new hooks.
7243 (check_dead_notes1): New static function.
7244 (struct region): New fields: dont_calc_deps, has_real_ebb.
7245 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7246 (BB_TO_BLOCK): Fixed to handle EBBs.
7247 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7248 (ebb_head): New static variable.
7249 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7250 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7252 (compute_dom_prob_ps): New assertion.
7253 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7254 global_live_at_start.
7255 (init_ready_list): New assertions.
7256 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7257 (new_ready): Add support for BEGIN_CONTROL speculation.
7258 (schedule_insns): Fixed code that updates register live information
7260 (schedule_region): Fixed to handle EBBs.
7261 (init_regions): Use extend_regions and check_dead_notes1.
7262 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7263 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7264 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7265 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7266 TARGET_SCHED_GEN_CHECK,
7267 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7268 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7269 * doc/invoke.texi (max-sched-insn-conflict-delay,
7270 sched-spec-prob-cutoff): Document.
7272 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7274 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7275 inter_tick, queue_index.
7276 (struct sched_info): Change signature of init_ready_list field.
7277 Adjust all initializations.
7278 (RESOLVED_DEPS): New access macro.
7279 (ready_add): Remove prototype.
7280 (try_ready): Add prototype.
7281 * sched-rgn.c (init_ready_list): Use try_ready.
7282 (schedule_region): Initialize
7283 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7284 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7285 (init_ready_list): Use try_ready.
7286 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7287 * lists.c (remove_list_elem): Remove `static'.
7288 (remove_free_INSN_LIST_elem): New function.
7289 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7290 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7291 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7293 (readyp): New variable.
7294 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7295 change_queue_index, resolve_dep): New static functions.
7296 (try_ready): New function. Adjust callers in sched-rgn.c and
7297 sched-ebb.c to use it instead of ready_add.
7298 (clock_var): Move at the begining of file.
7299 (rank_for_schedule): Fix typo.
7300 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7301 (ready_lastpos): Enforce assertion.
7302 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7304 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7305 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7306 (queue_to_ready): Use free_INSN_LIST_list.
7307 (early_queue_to_ready): Fix typo.
7308 (schedule_block): Init readyp. Move init_ready_list call after the
7309 initialization of clock_var. Fix error in rejecting insn by
7310 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7311 that previously corrected INSN_TICKs. Add code for handling
7313 (set_priorities): Fix typo.
7314 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7315 Clarify comment and code that keeps current_sched_info->next_tail
7318 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7320 * sched-rgn.c (extend_rgns): New static function.
7321 (find_rgns): Use it.
7322 (gather_region_statistics, print_region_statistics): New static
7324 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7325 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7327 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7328 Andrey Belevantsev <abel@ispras.ru>
7330 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7331 * lists.c (unused_deps_list): New variable.
7332 (free_list): Add assertions to verify the proper distinguishing
7333 between INSN_LISTs and DEPS_LISTs.
7334 (find_list_elem, remove_list_elem, remove_list_node): New static
7336 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7337 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7338 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7339 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7341 (free_INSN_LIST_node): Likewise.
7342 * modulo-sched.c (current_sched_info): Initialize flags field.
7343 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7344 * rtl.def (DEPS_LIST): Define.
7345 * rtl.h: Declare new functions from lists.c.
7346 * sched-deps.c (spec_dependency_cache): New static variable.
7347 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7348 (add_dependence): Change return type to void. Move the logic to ...
7349 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7350 (delete_all_dependences): Add comment about forward_dependency_cache.
7351 Handle spec_dependency_cache. Handle DEPS_LISTs.
7352 (fixup_sched_groups): Clarify the change of priority of output
7353 and anti dependencies.
7354 (sched_analyze_2): Adjust add_dependence calls to create data
7355 speculative dependence.
7356 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7357 Adjust all callers. Handle DEPS_LISTS.
7358 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7359 presence of speculation.
7360 (init_dependency_caches, free_dependency_caches):
7361 Handle spec_dependency_cache.
7362 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7363 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7364 New static functions.
7365 (add_or_update_back_dep, add_or_update_back_forw_dep,
7366 add_back_forw_dep, delete_back_forw_dep): New functions.
7367 * sched-int.h (ds_t, dw_t): New typedefs.
7368 (struct sched_info): Add new field flags.
7369 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7370 Prototype new sched-deps.c functions.
7371 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7372 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7373 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7374 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7375 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7376 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7378 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7380 * sched-rgn.c (current_sched_info): Initialize flags field.
7381 (schedule_insns): Initialize current_sched_info before the sched_init
7383 * sched-ebb.c (current_sched_info): Initialize flags field.
7384 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7385 Call add_or_update_back_dep instead of add_dependence.
7386 Create control speculative dependencies.
7387 (schedule_insns): Initialize current_sched_info before the sched_init
7390 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7392 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7394 (sh_fallback_frame_state): Likewise.
7396 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7398 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7399 Do switch on default_use_cxa_atexit.
7400 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7401 * config/darwin-crt3.o: New.
7402 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7403 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7404 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7406 * config/rs6000/t-darwin: Move crt2.o building to here.
7407 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7408 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7411 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7413 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7414 from '! xxx' to '!xxx' for coding-style conformance.
7415 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7416 (EXTRA_CONSTRAINT): Likewise.
7417 * config/vax/vax.md (four unnamed insns): Likewise.
7419 2006-03-15 Paul Brook <paul@codesourcery.com>
7421 * config/arm/arm.c (minipool_pad): New.
7422 (add_minipool_forward_ref): Include pool alignment padding in address
7424 (push_minipool_fix): Set minipool_pad.
7425 (minipool_pad): Ditto.
7427 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7429 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7430 instead of GET_CODE() == MEM and REG_P() instead of
7432 (print_operand_address): Likewise.
7433 (vax_address_cost): Likewise.
7434 (vax_rtx_costs): Likewise.
7435 (vax_notice_update_cc): Likewise.
7436 (vax_output_int_add): Likewise.
7437 (INDEX_REGISTER_P): Likewise.
7438 (BASE_REGISTER_P): Likewise.
7439 (nonindexed_address_p): Likewise.
7440 (vax_mode_dependent_address_p): Likewise.
7441 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7442 (PRINT_OPERAND): Likewise.
7443 * config/vax/vax.md (ashlsi3): Likewise.
7444 (ashlsi3): Likewise.
7445 (some more unnamed insns): Likewise.
7447 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7449 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7450 iterator-style macro.
7451 (mark_control_dependent_edges_necessary): Update the use of
7452 EXECUTE_IF_CONTROL_DEPENDENT.
7454 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7456 * config/sh/predicates.md (cache_address_operand): Special.
7457 (ua_address_operand): Likewise.
7459 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7461 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7463 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7465 2006-03-15 Andreas Schwab <schwab@suse.de>
7467 * gensupport.c (identify_predicable_attribute): Don't free p_false
7468 when it is still in use.
7470 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7472 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7473 the default setting here.
7475 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7477 * tree-pass.h (pass_cfg): Remove.
7478 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7479 * passes.c (pass_cfg): Don't run it.
7481 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7483 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7484 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7486 (stack_regs_mentioned): Update the uses of
7487 stack_regs_mentioned_data. Don't access the array beyond its
7489 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7490 Don't include gt-reg-stack.h.
7492 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7493 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7495 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7498 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7501 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7503 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7505 2006-03-14 Richard Guenther <rguenther@suse.de>
7507 PR tree-optimization/26672
7508 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7511 2006-03-14 Richard Guenther <rguenther@suse.de>
7513 PR tree-optimization/26667
7514 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7515 node for the callees. Always allow inlining if it will shrink
7518 2006-03-14 Richard Guenther <rguenther@suse.de>
7521 * builtins.c (get_pointer_alignment): Prefer alignment
7522 information from decls over that from types.
7524 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7527 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7529 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7531 * config/rs6000/rs6000.opt (mdlmzb): New option.
7532 (msched-prolog, msched-epilog): Use Var not Mask.
7533 * doc/invoke.texi (-mdlmzb): Document.
7534 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7536 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7537 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7539 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7541 PR rtl-optimization/25739
7542 * bt-load.c (augment_live_range): Free tos pointer.
7544 * gensupport.c (identify_predicable_attribute): Free
7546 * gcov.c (create_file_names): Free name pointer.
7548 2006-03-13 Roger Sayle <roger@eyesopen.com>
7551 * stmt.c (emit_case_nodes): Handle the case where the index is a
7552 CONST_INT, where the comparison mode is specified by the index type.
7554 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7556 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7559 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7561 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7562 (*branch_fp_inverted): Likewise.
7564 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7567 * omp-low.c (expand_omp_for_generic): Mark istart0
7568 and iend0 as addressable.
7570 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7572 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7574 2006-03-13 Jeff Law <law@redhat.com>
7576 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7577 virtual operands are interesting.
7578 (vrp_visit_stmt): Corresponding changes.
7580 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7582 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7584 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7585 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7586 * config/bfin/crti.S: Use it instead of __PIC__.
7587 * config/bfin/crtn.S: Likewise.
7589 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7590 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7592 Lose 'G' modifier for call operand.
7593 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7594 recognize 'G' modifier.
7596 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7599 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7600 * stmt.c (expand_case): Likewise.
7602 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7604 PR rtl-optimization/26254
7605 * loop-invariant.c (seq_insns_valid_p): New function.
7606 (move_invariant_reg): Only emit new code if it is valid.
7608 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7610 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7612 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7613 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7614 (commit_one_edge_insertion): Do not look for loop notes.
7616 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7618 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7619 flag_test_coverage out of loop.
7621 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7623 * final.c (shorten_branches): Remove outdated comment, and turn
7624 the if branch that guards it to continue.
7626 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7628 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7629 * cfgloop.h (struct loop): Remove unused fields.
7631 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7633 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7634 (-dL, -fdump-rtl-loop2): Update the dump file names
7636 * doc/invoke.texi: Update dump file names.
7638 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7640 * predict.c (estimate_probability): Remove.
7641 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7642 * basic-block.h (estimate_probability): Remove prototype.
7643 * passes.c (finish_optimization_passes): Dump branch prediction or
7644 profiling heuristics to the .profile tree dump.
7645 (init_optimization_passes): Unqueue pass_branch_prob.
7647 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7649 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7651 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7652 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7654 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7656 * function.h (frame_offset_overflow): Declare.
7657 * function.c (frame_offset_overflow): New function.
7658 (assign_stack_local_1): Call it to detect that the offset overflows.
7659 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7661 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7663 * config/sh/sh.c: Include alloc-pool.h.
7664 (label_ref_list_pool): New alloc pool.
7665 (label_ref_list_t): New type for lists of labels.
7666 (struct pool_node): Make wend a label_ref_list_t.
7667 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7669 (dump_table): Likewise.
7670 (sh_reorg): Set up the alloc pool before using add_constant and
7671 dump_table, and destroy it when finishing.
7673 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7675 * config/mips/mips.c: Remove redundant comment.
7677 2006-03-10 Jason Merrill <jason@redhat.com>
7680 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7681 the target was declared 'register'.
7683 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7685 * genpreds.c (write_insn_constraint_len): Change definition of
7686 insn_constraint_len to return size_t to match the declaration.
7688 2006-03-10 DJ Delorie <dj@redhat.com>
7690 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7692 (m32c_expand_insv): Fix test for an AND mask.
7694 2006-03-10 Richard Guenther <rguenther@suse.de>
7697 * builtins.c (get_pointer_alignment): Handle component
7698 references for field alignment.
7700 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7702 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7703 when building with libgloss.
7704 (sh*elf): Implement --without-fp option.
7705 (sh64-superh-linux*): Don't multilib.
7707 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7709 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7711 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7713 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7714 Set it when one of the replacement functions returned true.
7715 Return TODO_cleanup_cfg if cfgchanged is true.
7716 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7718 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7720 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7721 instead of gen_lowpart.
7723 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7725 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7727 (mips_output_order_conditional_branch): Declare.
7728 * config/mips/mips.h (MIPS_BRANCH): New macro.
7729 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7730 for the comparison. Use gen_condjump.
7731 (mips_output_conditional_branch): Rework interface to take the
7732 asm templates for a direct branch and the inverse of a direct branch.
7733 (mips_output_order_conditional_branch): New function.
7734 (mips_builtin_branch_and_move): New function.
7735 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7736 branch condition. Use gen_single_cc as the condition for
7737 __builtin_mips_upper_* or __builtin_mips_lower_*.
7738 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7739 Use VOIDmode for the branch condition.
7740 * config/mips/predicates.md (order_operator): New predicate.
7741 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7742 (branch_fp): Rename to...
7743 (*branch_fp): ...this. Remove mode from comparison operator.
7744 Use new mips_output_conditional_branch interface.
7745 (branch_fp_inverted): Rename to...
7746 (*branch_fp_inverted): ...this and update as for *branch_fp.
7747 (*branch_zero<mode>): Rename to...
7748 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7749 Use mips_output_order_conditional_branch. Only accept ordered
7751 (*branch_zero<mode>_inverted): Rename to...
7752 (*branch_order<mode>_inverted): ...this and update as for
7753 *branch_order<mode>.
7754 (*branch_equality<mode>): Accept zero as the second operand to
7755 the equality operator. Use the new mips_output_conditional_branch
7757 (*branch_equality<mode>_inverted): Likewise.
7758 (condjump): New expander.
7759 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7761 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7762 (bc1any2t, bc1any2f): Likewise.
7763 (single_cc): New expander.
7764 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7766 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7768 * doc/md.texi: Update documentation of MIPS constraints.
7769 * config/mips/constraints.md: New file.
7770 * config/mips/mips.md: Include it.
7771 * config/mips/mips.c (mips_char_to_class): Delete.
7772 (override_options): Don't initialize mips_char_to_class.
7773 * config/mips/mips.h (mips_char_to_class): Delete.
7774 (REG_CLASS_FROM_LETTER): Delete.
7775 (CONST_OK_FOR_LETTER_P): Delete.
7776 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7777 (EXTRA_CONSTRAINT_Y): Delete.
7778 (EXTRA_CONSTRAINT_STR): Delete.
7779 (CONSTRAINT_LEN): Delete.
7780 (EXTRA_MEMORY_CONSTRAINT): Delete.
7782 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7784 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7785 original fn's eh regions.
7787 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7789 * fold-const.c (build_range_check): Make sure to use a valid type to
7790 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7793 (range_predecessor): New static function.
7794 (range_successor): Likewise.
7795 (merge_ranges): Use them to compute predecessors and successors of
7798 2006-03-09 Roger Sayle <roger@eyesopen.com>
7801 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7802 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7804 2006-03-08 DJ Delorie <dj@redhat.com>
7806 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7807 (addpsi3): Expand to include memory operands. Remove
7808 reload-specific splits.
7809 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7810 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7811 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7812 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7813 (shift1_qi, shift1_hi, insv): New.
7814 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7815 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7816 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7818 * config/m32c/m32c-protos.h: Update as needed.
7819 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7820 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7821 Fail for unrecognized R* constraints.
7822 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7823 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7824 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7826 (m32c_init_libfuncs): New.
7827 (m32c_legitimate_address_p): Add debug wrapper.
7828 (m32c_rtx_costs): New.
7829 (m32c_address_cost): New.
7830 (conversions): Add 'B' prefix.
7831 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7832 operands, or word regnames for QI operands. 'B' prints bit
7834 (m32c_expand_setmemhi): New.
7835 (m32c_expand_movmemhi): New.
7836 (m32c_expand_movstr): New.
7837 (m32c_expand_cmpstr): New.
7838 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7839 (m32c_expand_neg_mulpsi3): Handle non-ints.
7840 (m32c_cmp_flg_0): New.
7841 (m32c_expand_movcc): New.
7842 (m32c_expand_insv): New.
7843 (m32c_scc_pattern): New.
7844 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7845 a0/a1 out of SIregs.
7846 (STORE_FLAG_VALUE): New.
7847 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7850 * config/m32c/mov.md: Make constraints more liberal.
7851 (zero_extendqihi2): Optimize r0/r1 case.
7852 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7853 * config/m32c/predicates.md (m32c_any_operand): New.
7854 (m32c_nonimmediate_operand): New.
7855 (m32c_hl_operand): New.
7856 (m32c_r3_operand): New.
7859 (memsym_operand): New.
7860 (memimmed_operand): New.
7861 (a_qi_operand): New.
7862 (m32c_eqne_operator): New.
7863 (m32c_1bit8_operand): New.
7864 (m32c_1bit16_operand): New.
7865 (m32c_1mask8_operand): New.
7866 (m32c_1mask16_operand): New.
7867 * config/m32c/blkmov.md: New file.
7868 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7870 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7872 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7873 unsigned to fix signed/unsigned comparison issue in
7874 DWARF2_FRAME_REG_OUT.
7875 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7876 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7878 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7879 of ptr into the ENABLE_CHECKING section.
7881 2006-03-08 Jeff Law <law@redhat.com>
7883 * tree-vrp.c (infer_value_range): Only count pointer uses
7884 and dereferences if -fdelete-null-pointer-checks is enabled.
7886 * tree-vrp.c (find_assert_locations): Infer value ranges for
7887 single use pointers, but do not create ASSERT_EXPRs for them.
7888 When a non-null range is inferred for a pointer, backwards
7889 propagate that range to other equivalent pointers through the
7892 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7895 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7896 language hook targets.
7897 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7898 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7899 if language hook targets were missing.
7901 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7903 * tree-ssa-opfinalize.h: Removed.
7904 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7906 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7907 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7908 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7909 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7910 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7911 finalize_ssa_v_must_def_ops): New.
7913 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7915 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7918 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7920 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7922 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7923 addresses with offsets; reorganize.
7925 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7926 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7927 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7929 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7932 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7934 2006-03-08 Ben Elliston <bje@au.ibm.com>
7936 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7938 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7941 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7944 2006-03-07 Richard Guenther <rguenther@suse.de>
7946 PR tree-optimization/26587
7947 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7949 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7951 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7953 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7955 * hooks.c (hook_bool_mode_rtx_true): New function.
7956 * hooks.h (hook_bool_mode_rtx_true): Declare.
7957 * toplev.c (compile_file): Call output_shared_constant_pool.
7958 * varasm.c (shared_constant_pool): New variable.
7959 (assemble_start_function, assemble_end_function): Remove arguments
7960 from call to output_constant_pool.
7961 (create_constant_pool): New function, split out from...
7962 (init_varasm_status): ...here.
7963 (force_const_mem): Choose between the shared and per-function constant
7964 pools. Set current_function_uses_const_pool when reusing old entries
7965 as well as when creating new ones.
7966 (mark_constant): Ignore data argument.
7967 (mark_constants): Remove pool argument.
7968 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7969 to decide whether the function uses a constant pool.
7970 (output_constant_pool_contents): New function, split out from...
7971 (output_constant_pool): ...here.
7972 (output_shared_constant_pool): New function.
7973 (init_varasm_once): Initialize shared_constant_pool.
7974 * output.h (output_constant_pool): Delete.
7975 (output_shared_constant_pool): Declare.
7976 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7977 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7979 2006-03-06 Nick Clifton <nickc@redhat.com>
7981 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7982 flag_strength_reduce.
7984 2006-03-06 Ben Elliston <bje@au.ibm.com>
7986 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7987 x86_64-*-linux* configurations.
7989 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7990 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7992 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7994 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7996 * basic-block.h: Remove the extern for
7997 rediscover_loops_after_threading.
7999 * cfgloop.c (cancel_loop): Make it static.
8000 * cfgloop.h: Remove the prototype for cancel_loop.
8002 * flow.c (recompute_reg_usage): Make it static.
8003 * rtl.h: Remove the prototype for recompute_reg_usage.
8005 * function.c (use_return_register): Make it static.
8006 * function.h: Remove the prototype.
8008 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8010 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8012 * recog.h: Remove the prototype for
8013 validate_change_maybe_volatile.
8015 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8017 * rtlanal.c (replace_reg): Remove.
8018 * rtl.h: Remove the prototype for replace_reg.
8020 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8022 * regclass.c (reg_scan_update): Remove.
8023 (reg_scan_mark_refs): Remove the last argument.
8024 * rtl.h: Remove the prototype for reg_scan_update.
8026 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8028 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8029 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8030 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8031 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8032 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8033 loop-invariant.c, omp-low.c, opts.c, passes.c,
8034 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8035 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8036 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8037 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8038 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8039 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8041 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8043 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8044 * dwarf2out.h: Remove the prototype for
8045 dwarf2out_add_library_unit_info.
8047 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8049 * tree.c (add_var_to_bind_expr): Remove.
8050 * tree.h: Remove the prototype for add_var_to_bind_expr.
8052 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8054 * regclass.c (n_non_fixed_regs): Remove.
8055 (init_reg_sets_1, globalize_reg): Remove all uses of
8057 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8059 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8061 * rtlanal.c (insns_safe_to_move_p): Remove.
8062 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8064 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8066 * expmed.c (expand_mult_add): Remove.
8067 * expr.h: Remove the prototype for expand_mult_add.
8069 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8071 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8072 and REG_SAVED_VAL_EXP constants.
8073 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8074 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8075 Handle regs stored by value.
8076 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8077 (execute_cfa_program): Handle DW_CFA_val_offset,
8078 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8079 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8080 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8081 (uw_install_context_1): Handle target regs stored by value.
8083 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8085 * tree-sra.c (tree_sra): Return todoflags;
8086 (generate_one_element): Set TODO_update_smt_usage if needed.
8087 (pass_sra): Remove TODO_update_smt_usage.
8088 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8090 (tree_ssa_forward_propagate_single_use_vars): Return
8091 TODO_update_smt_usage if we need to update SMT usage.
8092 (pass_forwprop): Remove TODO_update_smt_usage.
8094 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8096 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8097 (correct_use_link): Remove reference to get_stmt_operands.
8098 (update_stmt_operands): Likewise.
8099 (get_modify_expr_operands): New function factored out of
8100 parse_ssa_operands and get_expr_operands.
8101 Try to create V_MUST_DEFs for LHS by default.
8102 (get_expr_operands) <case MODIFY_EXPR>: Call
8103 get_modify_expr_operands.
8104 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8105 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8106 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8107 get_modify_expr_operands.
8109 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8111 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8112 * tree-flow.h: Remove the prototype for
8113 referenced_var_lookup_if_exists.
8115 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8117 PR rtl-optimization/26345
8119 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8121 2006-03-03 Roger Sayle <roger@eyesopen.com>
8123 PR tree-optimization/26524
8124 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8125 fold_convert to create a constant of the appropriate type.
8127 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8129 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8130 SYMBOL_REF_IN_BLOCK_P.
8131 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8132 of SYMBOL_FLAG_IN_BLOCK.
8133 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8134 instead of SYMBOL_REF_IN_BLOCK_P.
8135 * explow.c (use_anchored_address): Likewise.
8136 * rtl.c (rtx_size): Likewise.
8137 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8138 instead of SYMBOL_FLAG_IN_BLOCK.
8139 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8140 SYMBOL_REF_IN_BLOCK_P.
8141 (assemble_variable): Likewise.
8142 (output_constant_def_contents): Likewise.
8143 (output_constant_pool): Likewise.
8144 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8145 instead of SYMBOL_FLAG_IN_BLOCK.
8146 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8147 SYMBOL_REF_IN_BLOCK_P.
8148 (SYMBOL_REF_BLOCK): Likewise.
8149 (SYMBOL_REF_OFFSET): Likewise.
8150 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8151 SYMBOL_REF_IN_BLOCK_P.
8152 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8153 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8154 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8155 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8157 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8159 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8161 2006-03-02 Roger Sayle <roger@eyesopen.com>
8163 * simplify-rtx.c (simplify_unary_operation): When simplifying
8164 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8165 that we perform the right shift in the appropriate mode, and
8166 then extend or truncate the result to requested mode.
8168 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8170 * gengtype.c (main): Handle double_int type.
8171 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8172 * double-int.c: New file.
8173 * double-int.h: New file.
8174 * system.h: Include doubleint.h.
8175 * Makefile.in (SYSTEM_H): Include double-int.h.
8176 (double-int.o): Add.
8178 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8181 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8184 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8186 * tree-vrp.c (remove_range_assertions): Do not update statements
8189 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8191 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8193 * gcse.c (rest_of_handle_gcse): Ditto.
8194 * except.c (gate_handle_eh): Ditto.
8195 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8196 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8198 2006-03-02 Eric Christopher <echristo@apple.com>
8200 * config/i386/i386.c (machopic_output_stub): Add indirection to
8203 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8207 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8209 Sun Niagara specific optimizations.
8210 * config.gcc: Recognize niagara as target.
8211 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8212 (TARGET_CPU_niagara): Define.
8213 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8214 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8215 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8216 (ASM_CPU_SPEC): Likewise.
8217 (PROCESSOR_NIAGARA): New enum entry.
8218 (REGISTER_MOVE_COST): Handle Niagara.
8219 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8220 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8221 (sparc_override_options): Recognize "niagara", set appropriate
8222 default MASK_* values for it, and align functions to 32-bytes
8223 by default just like ULTRASPARC/ULTRASPARC3.
8224 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8225 (sparc64_initialize_trampoline): Likewise.
8226 (sparc_use_sched_lookahead): Use zero for niagara.
8227 (sparc_issue_rate): Use one for niagara.
8228 * config/sparc/niagara.md: New file.
8229 * config/sparc/sparc.md: Include it.
8230 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8231 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8232 when default cpu is niagara.
8233 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8234 (ASM_CPU_SPEC): Likewise.
8235 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8236 when default cpu is niagara.
8237 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8238 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8239 just like v9/ultrasparc/ultrasparc3.
8240 * doc/invoke.texi: Add documentation for "niagara" and improve
8241 existing documentation for ultrasparc variants.
8243 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8245 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8247 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8249 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8250 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8251 and say that only one is needed.
8252 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8253 * target.h (have_switchable_bss_sections): New hook.
8254 * explow.c (use_anchored_address): Check that the symbol is in a block.
8255 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8256 (bss_noswitch_section): New variables.
8257 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8258 (get_noswitch_section): New function.
8259 (get_block_for_section): Allow SECT to be null.
8260 (unlikely_text_section_p): Use SECTION_STYLE.
8261 (bss_initializer_p): New function.
8262 (get_variable_section): Move earlier in file. Take a new argument,
8263 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8264 Return one of the new *_sections in such cases.
8265 (get_block_for_decl): New function, extracting some logic from
8266 use_blocks_for_decl_p.
8267 (change_symbol_section): Remove in favor of...
8268 (change_symbol_block): ...this new function.
8269 (use_blocks_for_decl_p): Remove checks now performed by
8271 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8272 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8273 (emit_local, emit_bss, emit_common): ...these new functions.
8274 Return true if the alignment was honored.
8275 (emit_tls_common): New function.
8276 (asm_emit_uninitialised): Delete.
8277 (assemble_variable_noswitch): New function, split out from...
8278 (assemble_variable): ...here. Don't make decisions about common
8279 variables here. Globalize all public decls that go into non-common
8280 sections. Check whether SYMBOL_REF_BLOCK is null.
8281 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8282 (output_constant_pool): Likewise.
8283 (init_varasm_once): Initialize the new section variables.
8284 (have_global_bss_p): New function.
8285 (categorize_decl_for_section): Use bss_initializer_p.
8286 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8287 (place_block_symbol): Assert that the symbol must be in a block.
8288 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8289 (TARGET_INITIALIZER): Include it.
8290 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8291 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8292 (SECTION_MACH_DEP): Bump by two.
8293 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8294 (unnamed_section): Mention SECTION_UNNAMED in comment.
8295 (named_section): Likewise SECTION_NAMED.
8296 (noswitch_section_callback): New type.
8297 (noswitch_section): New structure.
8298 (section): Add a noswitch_section alternative.
8299 (SECTION_STYLE): New macro.
8300 (tls_comm_section, comm_section, lcomm_section): Declare.
8301 (bss_noswitch_section, have_global_bss_p): Declare.
8302 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8303 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8305 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8306 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8309 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8311 * tree-vrp.c (execute_vrp): Return value.
8312 * regrename.c (rest_of_handle_regrename): Ditto.
8313 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8314 * tree-complex.c (tree_lower_complex): Ditto.
8315 (tree_lower_complex_O0): Ditto.
8316 * tracer.c (rest_of_handle_tracer): Ditto.
8317 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8318 * postreload.c (rest_of_handle_postreload): Ditto.
8319 * tree-tailcall.c (execute_tail_recursion): Ditto.
8320 (execute_tail_calls): Ditto.
8321 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8322 * tree.h (init_function_for_compilation): Ditto.
8323 * ipa-cp.c (ipcp_driver): Ditto.
8324 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8325 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8326 * final.c (compute_alignments): Ditto.
8327 (rest_of_handle_final): Ditto.
8328 (rest_of_handle_shorten_branches): Ditto.
8329 (rest_of_clean_state): Ditto.
8330 * omp-low.c (execute_expand_omp): Ditto.
8331 (execute_lower_omp): Ditto.
8332 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8333 * ipa-reference.c (static_execute): Ditto.
8334 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8335 * reorg.c (rest_of_handle_delay_slots): Ditto.
8336 (rest_of_handle_machine_reorg): Ditto.
8337 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8338 * flow.c (recompute_reg_usage): Ditto.
8339 (rest_of_handle_remove_death_notes): Ditto.
8340 (rest_of_handle_life): Ditto.
8341 (rest_of_handle_flow2): Ditto.
8342 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8343 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8344 (do_ssa_store_ccp): Ditto.
8345 (execute_fold_all_builtins): Ditto.
8346 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8347 * modulo-sched.c (rest_of_handle_sms): Ditto.
8348 * ipa-pure-const.c (static_execute): Ditto.
8349 * cse.c (rest_of_handle_cse): Ditto.
8350 (rest_of_handle_cse2): Ditto.
8351 * web.c (rest_of_handle_web): Ditto.
8352 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8353 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8354 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8355 * tree-nrv.c (tree_nrv): Ditto.
8356 (execute_return_slot_opt): Ditto.
8357 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8358 (create_structure_vars): Ditto.
8359 * loop-init.c (rtl_loop_init): Ditto.
8360 (rtl_loop_done): Ditto.
8361 (rtl_move_loop_invariants): Ditto.
8362 (rtl_unswitch): Ditto.
8363 (rtl_unroll_and_peel_loops): Ditto.
8364 (rtl_doloop): Ditto.
8365 * gimple-low.c (lower_function_body): Ditto.
8366 (mark_used_blocks): Ditto.
8367 * tree-ssa-sink.c (execute_sink_code): Ditto.
8368 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8369 (cgraph_early_inlining): Ditto.
8370 * global.c (rest_of_handle_global_alloc): Ditto.
8371 * jump.c (cleanup_barriers): Ditto.
8372 (purge_line_number_notes): Ditto.
8373 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8374 (rest_of_handle_if_after_reload): Ditto.
8375 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8376 (tree_ssa_loop_im): Ditto.
8377 (tree_ssa_loop_unswitch): Ditto.
8378 (tree_vectorize): Ditto.
8379 (tree_linear_transform): Ditto.
8380 (tree_ssa_loop_ivcanon): Ditto.
8381 (tree_ssa_empty_loop): Ditto.
8382 (tree_ssa_loop_bounds): Ditto.
8383 (tree_complete_unroll): Ditto.
8384 (tree_ssa_loop_prefetch): Ditto.
8385 (tree_ssa_loop_ivopts): Ditto.
8386 (tree_ssa_loop_done): Ditto.
8387 * predict.c (tree_estimate_probability): Ditto.
8388 * recog.c (split_all_insns_noflow): Ditto.
8389 (rest_of_handle_peephole2): Ditto.
8390 (rest_of_handle_split_all_insns): Ditto.
8391 * tree-eh.c (lower_eh_constructs): Ditto.
8392 * regmove.c (rest_of_handle_regmove): Ditto.
8393 (rest_of_handle_stack_adjustments): Ditto.
8394 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8395 * function.c (instantiate_virtual_regs): Ditto.
8396 (init_function_for_compilation): Ditto.
8397 (rest_of_handle_check_leaf_regs): Ditto.
8398 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8399 (rest_of_handle_gcse): Ditto.
8400 * ipa-type-escape.c (type_escape_execute): Ditto.
8401 * alias.c (rest_of_handle_cfg): Ditto.
8402 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8403 * profile.c (rest_of_handle_branch_prob): Ditto.
8404 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8405 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8406 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8407 * tree-dfa.c (find_referenced_vars): Ditto.
8408 * except.c (set_nothrow_function_flags): Ditto.
8409 (convert_to_eh_region_ranges): Ditto.
8410 (rest_of_handle_eh): Ditto.
8411 * emit-rtl.c (unshare_all_rtl): Ditto.
8412 (remove_unnecessary_notes): Ditto.
8413 * except.h (set_nothrow_function_flags): Ditto.
8414 (convert_to_eh_region_ranges): Ditto.
8415 * cfgexpand.c (tree_expand_cfg): Ditto.
8416 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8417 * tree-ssa-pre.c (do_pre): Ditto.
8418 (execute_fre): Ditto.
8419 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8420 (rest_of_handle_jump2): Ditto.
8421 * tree-sra.c (tree_sra): Ditto.
8422 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8423 (execute_mudflap_function_decls): Ditto.
8424 * tree-ssa-copy.c (do_copy_prop): Ditto.
8425 (do_store_copy_prop): Ditto.
8426 * ipa-prop.h (ipcp_driver): Ditto.
8427 * cfglayout.c (insn_locators_initialize): Ditto.
8428 * tree-ssa-forwprop.c
8429 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8430 * cfglayout.h (insn_locators_initialize): Ditto.
8431 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8432 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8433 (execute_late_warn_uninitialized): Ditto.
8434 * rtl.h (cleanup_barriers): Ditto.
8435 (split_all_insns_noflow): Ditto.
8436 (purge_line_number_notes): Ditto.
8437 (unshare_all_rtl): Ditto.
8438 (remove_unnecessary_notes): Ditto.
8439 (recompute_reg_usage): Ditto.
8440 (variable_tracking_main): Ditto.
8441 * integrate.c (emit_initial_value_sets): Ditto.
8442 * integrate.h (emit_initial_value_sets): Ditto.
8443 * tree-optimize.c (execute_free_datastructures): Ditto
8444 (execute_free_cfg_annotations): Ditto.
8445 (execute_fixup_cfg): Ditto.
8446 (execute_cleanup_cfg_pre_ipa): Ditto.
8447 (execute_cleanup_cfg_post_optimizing): Ditto.
8448 (execute_init_datastructures): Ditto.
8449 * tree-object-size.c (compute_object_sizes): Ditto.
8450 * combine.c (rest_of_handle_combine): Ditto.
8451 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8452 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8453 (rest_of_handle_reorder_blocks): Ditto.
8454 (rest_of_handle_partition_blocks): Ditto.
8455 * var-tracking.c (variable_tracking_main): Ditto.
8456 * tree-profile.c (tree_profiling): Ditto.
8457 * tree-vect-generic.c (expand_vector_operations): Ditto.
8458 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8459 * sched-rgn.c (rest_of_handle_sched): Ditto.
8460 (rest_of_handle_sched2): Ditto.
8461 * basic-block.h (free_bb_insn): Ditto.
8462 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8463 * tree-cfg.c (execute_build_cfg): Ditto.
8464 (remove_useless_stmts): Ditto.
8465 (split_critical_edges): Ditto.
8466 (execute_warn_function_return): Ditto.
8467 (execute_warn_function_noreturn): Ditto.
8468 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8469 * cfgrtl.c (free_bb_for_insn): Ditto.
8470 * passes.c (execute_one_pass): Run additional
8471 todos returned by execute function.
8472 * tree-pass.h (struct tree_opt_pass): Make execute
8475 2006-03-02 Richard Guenther <rguenther@suse.de>
8477 * tree-ssa-alias.c (find_used_portions): Consider taking
8478 the address as making the variable not write-only.
8480 2006-03-02 Nick Clifton <nickc@redhat.com>
8482 * config.gcc (default_use_cxa_atexit): Extend the description of
8483 this configure variable. Set its default value to "yes" for
8484 Linux, NetBSD and ELF targets on the assumption that they will
8485 use C libraries with the __cxa_atexit function.
8487 2006-03-02 Ben Elliston <bje@au.ibm.com>
8489 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8490 parameter as unused to suppress a build warning.
8492 2006-03-02 Ben Elliston <bje@au.ibm.com>
8494 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8497 2006-03-01 Roger Sayle <roger@eyesopen.com>
8500 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8501 declared name, the weak reference name, and the typeof name.
8502 (__gthrw): Avoid expanding the declared name suffix.
8503 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8505 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8507 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8509 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8510 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8511 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8512 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8513 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8514 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8515 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8516 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8517 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8518 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8519 (DW_END_default, DW_END_big, DW_END_little): New.
8520 (DW_END_lo_user, DW_END_hi_user): Define.
8521 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8522 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8523 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8526 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8528 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8530 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8532 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8534 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8536 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8537 to 'symbol_mem_tag'.
8539 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8542 2006-03-01 Roger Sayle <roger@eyesopen.com>
8544 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8546 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8549 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8550 MACHO_DYNAMIC_NO_PIC_P.
8551 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8553 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8556 * config/darwin-protos.h (darwin_asm_output_anchor):
8558 * config/darwin-sections.def (cstring_section):
8559 Add SECTION_MERGE to the flags.
8560 (literal4_section): Likewise.
8561 (literal8_section): Likewise.
8562 (objc_selector_refs_section): Likewise.
8563 (objc_cls_refs_section): Likewise.
8564 * config/darwin.c (darwin_asm_output_anchor): New
8566 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8568 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8570 Fix PR tree-optimization/26443
8571 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8572 to todo and PROP_tmt_usage to properties_destroyed.
8573 * tree-ssa-ccp.c (pass_ccp): Ditto.
8574 (pass_store_ccp): Ditto.
8575 * tree-ssa-dom.c (pass_dominator): Ditto.
8577 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8579 * tree-ssa-operands.c: Cleanup whitespace.
8580 (get_asm_expr_operands): Move before first invocation.
8581 (get_indirect_ref_operands): Likewise.
8582 (get_tmr_operands): Likewise.
8583 (get_call_expr_operands): Likewise.
8584 (append_def): Likewise.
8585 (append_use): Likewise.
8586 (append_v_may_def): Likewise.
8587 (append_v_must_def): Likewise.
8588 (add_call_clobber_ops): Likewise.
8589 (add_call_read_ops): Likewise.
8590 (add_stmt_operand): Likewise.
8591 (add_virtual_operand): Likewise.
8592 (build_ssa_operands): Likewise.
8594 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8599 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8600 with a call expr to ...
8601 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8603 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8605 * tree-vrp.c (extract_range_from_assert): Remove special
8606 handling for types with super-types.
8608 2006-03-01 Ben Elliston <bje@au.ibm.com>
8610 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8611 and powerpc64-*-linux* configurations.
8612 * config/t-dfprules: New file.
8614 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8615 Compile dfp-bit.c from the source directory using -DWIDTH and
8616 $DFP_CFLAGS to control the compilation of that file, rather than
8617 generating width-specific versions in the build directory.
8618 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8619 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8621 2006-02-28 Zack Weinberg <zackw@panix.com>
8623 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8626 2006-02-28 Eric Christopher <echristo@apple.com>
8628 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8629 Set up IN_LIBGCC definition of TARGET_64BIT.
8630 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8632 2006-02-28 Roger Sayle <roger@eyesopen.com>
8635 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8636 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8637 cases via the construction of "expr != 0".
8639 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8641 * alias.c (alias_invariant, alias_invariant_size): Remove.
8642 (record_base_value): Remove.
8643 (memrefs_conflict_p): Don't look at alias_invariant.
8644 (end_alias_analysis): Don't free it.
8645 * alias.h (record_base_value): Remove prototype.
8647 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8648 Adam Nemet <anemet@caviumnetworks.com>
8650 * rtl.h (truncated_to_mode): Declare it.
8651 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8652 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8653 (RTL_HOOKS_INITIALIZER): Include it.
8654 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8655 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8656 reg_truncated_to_mode.
8657 * rtlanal.c (truncated_to_mode): Define it.
8658 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8660 2006-02-28 Jeff Law <law@redhat.com>
8662 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8663 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8664 the range allowed by TYPE_PRECISION.
8666 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8668 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8670 PR tree-optimization/26419
8671 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8674 2006-02-27 Zack Weinberg <zackw@panix.com>
8676 * doc/md.texi: Fix typo in previous change.
8678 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8682 2006-02-27 Zack Weinberg <zackw@panix.com>
8684 * rtl.def (define_constraint, define_register_constraint)
8685 (define_memory_constraint, define_address_constraint): New MD forms.
8686 * gensupport.c (process_rtx): Put define_constraint etc on the
8688 * genpreds.c (process_define_predicate): Adjust comment. Validate
8689 the name, and call validate_exp to validate the expression.
8690 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8691 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8692 all callers changed.
8693 (validate_exp, needs_variable, struct constraint_data)
8694 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8695 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8696 (const_dbl_constraints, constraint_max_namelen)
8697 (have_register_constraints, have_memory_constraints)
8698 (have_address_constraints, have_address_constraints)
8699 (have_extra_constraints, have_const_int_constraints)
8700 (have_const_dbl_constraints, mangle, add_constraint)
8701 (process_define_constraint, process_define_register_constraint)
8702 (write_enum_constraint_num, write_lookup_constraint)
8703 (write_insn_constraint_len, write_regclass_for_constraint)
8704 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8705 (write_insn_extra_memory_constraint)
8706 (write_insn_extra_address_constraint)
8707 (write_satisfies_constraint_fns): New.
8708 (write_tm_preds_h): If we have new-style constraint definitions,
8709 prototype the functions generated from them, and define the
8710 old constraint interface (still used by generic code) in terms of
8712 (write_insn_preds_c): If we have new-style constraint definitions,
8713 generate all relevant functions from those definitions.
8714 (main): Handle define_constraint etc.
8715 * genoutput.c (struct constraint_data, indep_constraints)
8716 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8717 (mdep_constraint_len): New data structures and functions, defined
8718 #ifdef USE_MD_CONSTRAINTS.
8719 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8720 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8721 use new logic to validate operand constraints against constraint
8723 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8725 * defaults.h: If none of the old-style constraint macros are
8726 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8727 old-style macros; and poison REG_CLASS_FROM_LETTER,
8728 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8730 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8731 * doc/md.texi: Document new constraint-definition mechanism and the
8732 C interface it provides. Remove references to old mechanism
8733 elsewhere in the document.
8734 (Machine Constraints): Use pathnames relative to gcc directory,
8735 i.e. config/ARCH/FILE. Change i386 section to refer to
8736 config/i386/predicates.md; update that section to match docstrings.
8737 * doc/tm.texi: Move all documentation of the old constraint-
8738 definition macros to their own section, clearly mark as obsolete.
8740 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8741 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8743 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8744 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8745 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8747 (splits and peepholes): Use satisfies_constraint_*.
8748 * config/i386/i386.c (memory_address_length)
8749 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8751 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8753 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8754 scalar operation to be put back into the loop.
8756 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8759 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8760 (extract_cie_info): Handle S flag in augmentation string.
8761 (execute_cfa_program): If context->signal_frame, execute also
8762 fs->pc == context->ra instructions.
8763 (uw_frame_state_for): If context->signal_frame, don't subtract one
8764 from context->ra to find FDE.
8765 (uw_update_context_1): Set context->signal_frame to
8767 (_Unwind_GetIPInfo): New function.
8768 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8769 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8771 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8772 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8773 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8774 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8775 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8776 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8777 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8778 x86_64_fallback_frame_state): Set fs->signal_frame.
8779 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8780 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8781 (frob_update_context): Likewise. Workaround missing S flag in
8782 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8783 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8784 Remove the psw_addr + 1 hack.
8786 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8788 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8789 with aggregates here.
8790 (find_func_aliases): Remove code for &<aggregate> from here.
8792 2006-02-26 Roger Sayle <roger@eyesopen.com>
8794 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8795 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8796 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8799 2006-02-26 Roger Sayle <roger@eyesopen.com>
8802 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8804 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8806 * opts.c (decode_options): Do not handle flag_strength_reduce.
8807 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8808 and OPT_fstrength_reduce.
8809 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8810 flag_prefetch_loop_arrays for being nonzero.
8811 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8813 (fprefetch-loop-arrays-rtl): Removed.
8814 (flag_prefetch_loop_arrays): Do not specify the value.
8816 * doc/passes.texi: Update documentation of loop optimizer
8818 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8819 -frerun-loop-opt): Remove.
8821 2006-02-26 Richard Guenther <rguenther@suse.de>
8823 PR tree-optimization/26421
8824 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8825 in function calls that are ADDR_EXPRs as using the whole structure.
8827 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8829 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8830 * tree-pass.h (pass_loop_optimize): Remove.
8831 * passes.c (pass_loop_optimize): Never run it.
8832 * toplev.c (backend_init): Don't call init_loop.
8833 * opts.c (flag_loop_optimize_set): Remove.
8834 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8835 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8836 the old RTL loop optimizer when profiling enabled.
8837 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8838 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8839 pre-headers for the sake of the old RTL loop optimizer.
8840 * Makefile.in: Remove all references to loop.o.
8842 * doc/invoke.texi: Remove all references to -floop-optimize
8843 and -frerun-loop-opt.
8845 2006-02-26 Zack Weinberg <zackw@panix.com>
8847 * doc/md.texi (Machine Constraints): Refer to all files with paths
8848 relative to gcc directory (i.e. config/CPU/file). Add missing
8849 @table @code ... @end table to M32C subsection.
8851 2006-02-26 Roger Sayle <roger@eyesopen.com>
8853 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8855 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8857 2006-02-26 Roger Sayle <roger@eyesopen.com>
8858 James A. Morrison <phython@gcc.gnu.org>
8861 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8862 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8863 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8864 signedness of the shift operation.
8866 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8868 PR tree-optimization/26359
8869 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8871 2006-02-25 Roger Sayle <roger@eyesopen.com>
8873 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8874 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8875 as X == 0, and some symmetry related transformations.
8876 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8878 2006-02-25 Roger Sayle <roger@eyesopen.com>
8881 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8882 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8883 symmetry related transformations. Fold (X^C1) == C2 as
8886 2006-02-25 Juergen Weigert <jw@suse.de>
8887 Richard Guenther <rguenther@suse.de>
8889 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8891 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8893 * combine.c (gen_lowpart_or_truncate): Call
8894 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8896 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8898 * doc/invoke.texi: Move -fopenmp description to "Options for
8900 Remove reference to -lgomp.
8902 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8904 * doc/install.texi: Require GNU tar version 1.14.
8906 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8908 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8909 * doc/invoke.texi (C++ Dialect Options): Document
8910 -fno-use-cxa-get-exception-ptr.
8911 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8912 * configure: Regenerate.
8913 * c.opt (fuse-cxa-get-exception-ptr): New.
8914 * c-opts.c (c_common_handle_option): Handle
8915 OPT_fuse_cxa_get_exception_ptr.
8916 * c-common.c (flag_use_cxa_atexit): Update documentation.
8917 (flag_use_cxa_get_exception_ptr): New.
8918 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8919 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8921 (C_COMMON_OVERRIDE_OPTIONS): New.
8923 2006-02-24 Roger Sayle <roger@eyesopen.com>
8926 * combine.c (try_combine): Explicitly check whether GET_CODE is
8927 a SET or a CLOBBER, instead on checking that it isn't a USE.
8929 2006-02-24 Roger Sayle <roger@eyesopen.com>
8931 * fold-const.c (fold_comparison): New subroutine of fold_binary
8932 containing transformations common to both the equality and
8933 ordering relational operators, factored out of fold_binary.
8934 (fold_binary): Separate out the equality operators (EQ_EXPR
8935 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8936 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8937 transformations common to both.
8938 (fold_div_compare): Fix latent bugs in the previously unreachable
8939 LT_EXPR and GE_EXPR cases.
8941 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8943 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8944 decl libname for clog to __clog on AIX.
8946 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8948 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8951 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8952 output traceback table for thunks. Localise rs6000_stack_info call.
8954 2006-02-23 Roger Sayle <roger@eyesopen.com>
8955 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8957 * gthr-posix.h (__gthrw): Fix typo in comment.
8959 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8961 * doc/cpp.texi (Character sets): Document that we do support
8962 input files to be in any character set.
8964 2006-02-23 Jeff Law <law@redhat.com>
8966 * tree.h (PHI_ARG_NONZERO): Remove.
8967 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8968 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8969 node to the new node.
8971 PR tree-optimization/26425
8972 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8973 min/max, then assume its varying.
8975 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8977 PR rtl-optimization/26316
8978 * rtlanal.c (enum may_trap_p_flags): New.
8979 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8980 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8981 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8982 (may_trap_after_code_motion_p): New function.
8983 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8984 (find_invariant_insn): Use may_trap_after_code_motion_p.
8985 * rtl.h (may_trap_after_code_motion_p): Declare.
8987 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8989 * emit-rtl.c (immed_double_const): Cleanup.
8991 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8993 Fix PR tree-optimization/26376
8994 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8997 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9000 * gimplify.c (omp_add_variable): Guard variable size decl test with
9001 DECL_SIZE (decl) check.
9003 2006-02-23 Richard Guenther <rguenther@suse.de>
9006 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9007 like aggregate types.
9009 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9011 * configure.ac: Add --with{,out}-long-double-128 configure option.
9012 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9013 * configure: Rebuilt.
9014 * config.in: Rebuilt.
9015 * doc/install.texi (Options specification): Document
9016 --with-long-double-128.
9018 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9019 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9020 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9021 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9023 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9025 * config/s390/s390.c (override_options): Handle
9026 TARGET_DEFAULT_LONG_DOUBLE_128.
9028 * config/alpha/alpha.c (override_options): Handle
9029 TARGET_DEFAULT_LONG_DOUBLE_128.
9031 * config/sparc/sparc.c (sparc_override_options): Handle
9032 TARGET_DEFAULT_LONG_DOUBLE_128.
9034 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9036 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9037 (real-install-headers-tar, real-install-headers-cpio)
9038 (real-install-headers-cp): New targets.
9040 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9042 * tree.h (variable_section): Delete.
9043 * varasm.c (variable_section): Delete.
9045 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9047 * install.texi: Add notes on install.texi2html.
9048 (Building in parallel): Do not use footnotes.
9050 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9053 * doc/install.texi (Configuration): Document --disable-libgomp.
9055 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9057 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9059 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9061 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9062 (vec_extractv2df_0_sse): New.
9064 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9066 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9067 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9068 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9069 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9070 to the result of the expression.
9071 (def_cfa_1): Adjust.
9072 (frame_pointer_cfa_offset): Rename to...
9073 (frame_pointer_fb_offset): ... this. Adjust all uses.
9074 (convert_cfa_to_loc_list): Rename to...
9075 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9076 Pass it on to build_cfa_loc.
9077 (compute_frame_pointer_to_cfa_displacement): Rename to...
9078 (compute_frame_pointer_to_fb_displacement): ... this. New
9079 offset parameter. Use it in computation.
9080 (gen_subprogram_die): Compute cfa_fb_offset with the new
9081 macro, and use it to compute the fb loc list and the
9084 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9086 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9087 replaced with register_operand.
9088 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9089 non-DREG is expensive.
9090 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9091 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9094 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9096 * doc/install.texi2html: Use set -e.
9098 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9100 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9101 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9102 * doc/invoke.texi (-fshared-data): Delete.
9103 * common.opt (fshared-data): Delete.
9104 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9105 (assemble_static_space): Remove #if 0 code.
9106 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9107 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9108 * config/cris/cris.h: Remove FIXME.
9110 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9112 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9115 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9118 * combine.c (simplify_shift_const_1): Disable nested shifts
9119 optimization for vector shifts.
9121 2006-02-20 Roger Sayle <roger@eyesopen.com>
9123 PR tree-optimization/26361
9124 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9125 of unsigned integer types.
9127 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9129 * tree-chrec.c (eq_evolutions_p): New.
9130 * tree-chrec.h (eq_evolutions_p): Declared.
9131 * tree-data-ref.c: Fix formatting.
9132 (datadep_stats, dependence_stats): New.
9134 (print_direction_vector): New.
9135 (dump_data_dependence_relation): Use print_direction_vector.
9136 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9137 (compute_subscript_distance): Static.
9138 (initialize_data_dependence_relation): Static. Get the number
9139 of loops surrounding the references from the callers, and initialize
9140 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9141 base_object_differ_p analyzers.
9142 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9143 compute_overlap_steps_for_affine_1_2,
9144 analyze_subscript_affine_affine): Count the classified dependences.
9145 Print a message when a test failed.
9146 (can_use_analyze_subscript_affine_affine): New.
9147 (analyze_siv_subscript): Compute the data dependences on symbolic
9148 scevs that verify can_use_analyze_subscript_affine_affine.
9149 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9150 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9151 Handle symbolic scevs.
9152 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9154 (subscript_dependence_tester): Moved...
9155 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9156 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9157 DDR_SIZE_VECT instead of getting it in parameter.
9158 (subscript_dependence_tester): ... here. Take as a parameter
9159 loop_nest_depth. Call build_classic_dist_vector and
9160 build_classic_dir_vector.
9161 (compute_affine_dependence): Update subscript_dependence_tester
9162 parameters. Update datadep_stats counters. Call
9163 compute_subscript_distance.
9164 (compute_self_dependence): Save the dist and dir vectors. Call
9165 compute_subscript_distance.
9166 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9167 (compute_all_dependences): Reorder parameters as they were before
9168 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9169 compute_subscript_distance. Update the use of
9170 compute_affine_dependence and initialize_data_dependence_relation.
9171 (find_data_references_in_loop): Handle COMPONENT_REF.
9172 (compute_data_dependences_for_loop): Initialize dependence_stats.
9173 Don't call build_classic_dist_vector and build_classic_dir_vector.
9174 Update the parameters of initialize_data_dependence_relation and
9175 compute_all_dependences. Print the statistics from datadep_stats.
9176 (analyze_all_data_dependences): Static. Not used until the pass for
9177 checking the data dependences is contributed.
9178 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9179 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9180 (initialize_data_dependence_relation, compute_affine_dependence,
9181 analyze_all_data_dependences, compute_subscript_distance): Removed.
9182 (print_direction_vector): New.
9183 * lambda.h (gcd): ... here.
9184 (lambda_vector_gcd): Moved here from gcd_vector.
9185 * lambda-code.c (gcd, gcd_vector): Removed.
9186 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9187 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9189 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9191 * ipa-type-escape.c: Tidy some comments and white space.
9192 * tree-ssa-operands.c: Likewise.
9194 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9197 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9198 (dump_decl_name): Do not walk the decl tree chains.
9199 * tree-pass.h (TDF_CHAIN): Remove.
9201 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9203 * Makefile.in (C): Remove
9205 (.PHONY): Remove C and PROTO
9207 2006-02-20 Roger Sayle <roger@eyesopen.com>
9210 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9211 deprecated CHAR_TYPE tree code.
9213 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9215 * configure.ac (target_list): Add install-info, dvi, html.
9216 * configure: Regenerate.
9218 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9219 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9220 treelang/Make-lang.in: Do not use double-colon rules.
9222 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9224 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9225 (TMT_USED_ALONE): New macro.
9226 * tree-pass.h (PROP_tmt_usage): New property.
9227 (TODO_update_tmt_usage): New todo.
9228 * tree-ssa-alias.c (updating_used_alone): New variable.
9229 (recalculate_used_alone): New function.
9230 (compute_may_aliases): Set updating_used_alone, call
9231 recalculate_used_alone.
9232 * tree-sra.c (pass_sra): Note that this pass destroys
9233 PROP_tmt_usage, and add TODO_update_tmt_usage.
9234 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9235 * tree-flow.h (updating_used_alone): Prototype.
9236 (recalculate_used_alone): Ditto.
9237 * passes.c (execute_todo): Add code to set updating_used_alone,
9238 and call recalculate.
9239 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9240 for clobber if used alone, and add assert to verify used_alone
9243 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9245 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9246 for non tls symbols added.
9247 (legitimize_address): Do nothing for PLUS expressions if one of the
9248 addends is a tls symbol reference.
9250 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9254 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9256 * Makefile.in (BOOTSTRAPPING): New.
9257 (quickstrap): New definition if BOOTSTRAPPING=yes.
9259 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9260 * configure.ac: Substitute all_selected_languages with the languages
9261 that were configured. For all the other variables except
9262 lang_specs_files, include all the languages in the tree.
9263 * configure: Regenerate.
9265 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9266 if there is one. Run the commands to run fixincludes in the same
9269 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9270 * doc/install.texi: Document exact conventions for searching target tools.
9271 Document --with-build-time-tools. Document toplevel bootstrap. Document
9272 something more about building an Ada cross-compiler. Don't list GNU Make
9273 requirements which affect all platforms.
9275 2006-02-19 Roger Sayle <roger@eyesopen.com>
9278 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9279 only equivalent if the have both the same mode and precision.
9281 2006-02-20 Ben Elliston <bje@au.ibm.com>
9283 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9285 2006-02-19 Roger Sayle <roger@eyesopen.com>
9286 Steven Bosscher <stevenb.gcc@gmail.com>
9288 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9289 constant pool references to identify stack mode constants.
9290 * rtlanal.c (constant_pool_constant_p): New predicate to check
9291 whether operand is a floating point constant in the pool.
9292 * rtl.h (constant_pool_constant_p): Prototype here.
9293 * loop.c (scan_loop): Avoid hoisting constants from the constant
9294 pool on STACK_REGS targets.
9295 (load_mems): Likewise.
9296 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9297 loads into x87 registers expensive in terms of register pressure.
9299 2006-02-19 Roger Sayle <roger@eyesopen.com>
9301 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9302 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9304 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9306 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9307 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9309 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9311 * doc/invoke.texi: Document -fipa-pta.
9312 * common.opt: Add ipa-pta option.
9313 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9314 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9315 (do_ds_constraint): Ditto.
9316 (get_constraint_for): Only add to referenced_vars if
9317 referenced_vars exists.
9318 (insert_into_field_list): Rewrite to do this unsorted.
9319 (insert_into_field_list_sorted): Rename old insert_into_field_list
9321 (create_function_info_for): Use insert_into_field_list_sorted.
9322 (create_variable_info_for): Rewrite so it uses unsorted version,
9323 since the field list is sorted.
9324 (intra_create_variable_infos): Only add to referenced_vars if
9325 referenced_vars exists.
9326 (ipa_pta_execute): Init heapvars, and delete when done.
9327 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9329 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9331 * doc/install.texi: Add missing `@samp'.
9333 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9335 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9338 2006-02-18 Mark Wielaard <mark@klomp.org>
9340 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9341 who added new 4.1 features, bug fixes and integration support.
9343 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9346 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9349 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9351 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9352 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9353 (copy_insn_1): Likewise. Don't copy each field individually.
9355 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9357 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9358 * rtl.c (rtx_size): Rename variable to...
9359 (rtx_code_size): ...this.
9360 (rtx_size): New function.
9361 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9362 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9364 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9365 * rtl.h (rtx_code_size): New variable.
9366 (rtx_size): Change from a variable to a function.
9367 (RTX_SIZE): Rename to...
9368 (RTX_CODE_SIZE): ...this.
9371 PR tree-optimization/17106
9372 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9373 (Anchored Addresses): New section.
9374 * doc/invoke.texi (-fsection-anchors): Document.
9375 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9376 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9377 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9378 * hooks.c (hook_bool_mode_rtx_false): New function.
9379 * hooks.h (hook_bool_mode_rtx_false): Declare.
9380 * gengtype.c (create_optional_field): New function.
9381 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9382 SYMBOL_REF_IN_BLOCK_P is true.
9383 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9384 (min_anchor_offset, max_anchor_offset): Likewise.
9385 (use_anchors_for_symbol_p): New hook.
9386 * toplev.c (compile_file): Call output_object_blocks.
9387 (target_supports_section_anchors_p): New function.
9388 (process_options): Check that -fsection-anchors is only used on
9389 targets that support it and when -funit-at-a-time is in effect.
9390 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9391 if the decl doesn't have one.
9392 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9393 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9394 of force_const_mem through use_anchored_address.
9395 (expand_expr_constant): New function.
9396 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9397 calling expand_expr for INDIRECT_REF.
9398 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9399 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9400 * expr.h (use_anchored_address): Declare.
9401 * loop-unroll.c: Don't declare rtx vectors here.
9402 * explow.c: Include output.h.
9403 (validize_mem): Call use_anchored_address.
9404 (use_anchored_address): New function.
9405 * common.opt (-fsection-anchors): New switch.
9406 * varasm.c (object_block_htab, anchor_labelno): New variables.
9407 (hash_section, object_block_entry_eq, object_block_entry_hash)
9408 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9409 (use_blocks_for_decl_p, change_symbol_section): New functions.
9410 (get_variable_section): New function, split out from assemble_variable.
9411 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9412 use_blocks_for_decl_p say so. Use change_symbol_section if the
9413 symbol has already been created.
9414 (assemble_variable_contents): New function, split out from...
9415 (assemble_variable): ...here. Don't output any code for
9416 block symbols; just pass them to place_block_symbol.
9417 Use get_variable_section and assemble_variable_contents.
9418 (get_constant_alignment, get_constant_section, get_constant_size): New
9419 functions, split from output_constant_def_contents.
9420 (build_constant_desc): Create a block symbol if use_object_blocks_p
9421 says so. Or into SYMBOL_REF_FLAGS.
9422 (assemble_constant_contents): New function, split from...
9423 (output_constant_def_contents): ...here. Don't output any code
9424 for block symbols; just pass them to place_section_symbol.
9425 Use get_constant_section and get_constant_alignment.
9426 (force_const_mem): Create a block symbol if use_object_blocks_p and
9427 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9428 (output_constant_pool_1): Add an explicit alignment argument.
9429 Don't switch sections here.
9430 (output_constant_pool): Adjust call to output_constant_pool_1.
9431 Switch sections here instead. Don't output anything for block symbols;
9432 just pass them to place_block_symbol.
9433 (init_varasm_once): Initialize object_block_htab.
9434 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9435 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9436 (place_block_symbol, get_section_anchor, output_object_block)
9437 (output_object_block_htab, output_object_blocks): New functions.
9438 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9439 (TARGET_ASM_OUT): Include it.
9440 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9441 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9442 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9443 (TARGET_INITIALIZER): Include them.
9444 * rtl.c (rtl_check_failed_block_symbol): New function.
9445 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9446 (block_symbol, object_block): New structures.
9447 (rtx_def): Add a block_symbol field to the union.
9448 (BLOCK_SYMBOL_CHECK): New macro.
9449 (rtl_check_failed_block_symbol): Declare.
9450 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9451 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9452 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9453 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9454 * output.h (output_section_symbols): Declare.
9455 (object_block): Name structure.
9456 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9457 (default_use_anchors_for_symbol_p): Declare.
9458 * Makefile.in (RTL_BASE_H): Add vec.h.
9459 (explow.o): Depend on output.h.
9460 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9461 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9462 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9463 (rs6000_use_blocks_for_constant_p): New function.
9465 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9467 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9469 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9472 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9475 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9477 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9481 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9484 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9485 instead of DECL_REGISTER.
9487 2006-02-18 Olivier Hainque <hainque@adacore.com>
9490 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9492 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9495 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9496 * opth-gen.awk: Handle Var and InverseMask together.
9497 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9498 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9499 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9500 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9502 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9503 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9504 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9505 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9506 LINUX_DYNAMIC_LINKER): Define.
9507 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9508 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9510 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9511 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9512 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9513 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9514 (TARGET_C99_FUNCTIONS): Don't define.
9515 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9516 GLIBC_DYNAMIC_LINKER.
9517 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9518 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9519 GLIBC_DYNAMIC_LINKER64): Define.
9520 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9521 LINUX_DYNAMIC_LINKER64.
9522 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9523 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9524 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9525 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9526 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9527 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9528 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9529 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9530 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9531 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9532 and LINUX_DYNAMIC_LINKER32.
9533 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9534 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9535 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9536 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9537 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9539 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9540 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9541 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9542 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9543 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9544 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9545 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9546 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9547 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9548 LINUX_DYNAMIC_LINKER): Define.
9549 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9550 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9551 GLIBC_DYNAMIC_LINKER64): Define.
9552 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9553 LINUX_DYNAMIC_LINKER64.
9554 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9555 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9556 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9557 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9558 LINUX_DYNAMIC_LINKER): Define.
9559 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9560 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9561 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9562 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9563 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9564 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9565 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9566 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9567 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9568 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9569 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9570 * doc/invoke.texi (-muclibc): Remove caveat about supported
9573 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9575 * doc/cpp.texi (__TIMESTAMP__): Document.
9577 2006-02-17 Roger Sayle <roger@eyesopen.com>
9580 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9581 C is one less than the width of X (and related transformations).
9582 * simplify-rtx.c (simplify_unary_operation_1): Transform
9583 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9584 depending on STORE_FLAG_VALUE, were C is one less then the
9587 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9589 Fix PR tree-optimization/26341
9590 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9591 about NAME_MEMORY_TAG's.
9593 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9596 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9597 with hardware float support, and software float support. Add fcpy
9598 alternative to hardware patterns. Add alternatives to copy between
9599 general and floating-point registers to the 32-bit pattern.
9600 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9601 secondary reload to load a QI or HI mode constant into a floating
9603 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9604 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9606 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9609 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9611 (load_macho_picbase_di): Likewise.
9613 2006-02-16 Jeff Law <law@redhat.com>
9615 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9616 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9617 (ssa_name_nonzero_p): Likewise.
9618 (get_value_range): Return NULL if VRP is not running.
9619 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9620 VRP routines do not discover a range.
9621 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9622 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9623 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9624 (tree_expr_nonnegative_p): Similarly.
9625 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9626 (restore_nonzero_vars_to_original_value): Remove.
9627 (unsafe_associative_fp_binop): Remove.
9628 (tree_ssa_dominator_optimize): Remove initialization and
9629 finalization of nonzero_vars and nonzero_vars_stack.
9630 (dom_opt_initialize_block): No longer push marker on
9632 (dom_opt_finalize_block): No longer call
9633 restore_nonzero_vars_to_original_value.
9634 (record_equivalences_from_phis): No longer look for
9635 nonzero PHI arguments.
9636 (cprop_into_successor_phis): No longer propagate nonzero
9637 property into PHI arguments. Lose unused argument. Caller
9639 (record_equivalences_from_stmt): No longer record nonzero
9640 values for SSA_NAMEs.
9641 (lookup_avail_expr): No longer use nonzero_vars.
9643 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9644 for sizetype when sizetype is unsigned.
9646 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9648 PR rtl-optimization/25603
9649 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9650 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9651 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9652 with new meaning of SETS.
9654 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9659 * config/linux.opt: New file.
9660 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9661 LINUX_DYNAMIC_LINKER): Define.
9662 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9663 * config.gcc (*-*-linux*): Define extra_options.
9664 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9665 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9666 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9667 GLIBC_DYNAMIC_LINKER.
9668 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9669 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9670 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9671 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9672 * doc/invoke.texi (GNU/Linux Options): New section.
9674 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9676 * config/sparc/sparc.md (setjmp): Rewrite.
9677 (setjmp_32): Delete.
9678 (setjmp_64): Likewise.
9680 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9682 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9685 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9687 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9690 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9692 PR rtl-optimization/26296
9693 * Makefile.in (loop-invariant.c): Add except.h dependency.
9694 * loop-invariant.c: Include except.h.
9695 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9697 2005-02-16 Paul Brook <paul@codesourcery.com>
9699 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9702 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9704 PR rtl-optimization/25636
9705 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9706 when deciding whether an insn is an initializing insn.
9708 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9710 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9711 (tree_code_size): Ditto.
9712 * tree.h (struct tree_memory_tag): Remove parent_var.
9713 (struct tree_struct_field_tag): New.
9716 (union tree_node): Add sft member.
9717 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9719 (create_sft): Add size and offset argument, set SFT_OFFSET and
9721 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9722 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9723 * tree-flow-inline.h (get_subvar_at): Update for
9724 SFT_OFFSET/SFT_SIZE.
9725 (var_can_have_subvars): Ditto.
9726 (overlap_subvar): Ditto.
9727 * print-tree.c (print_node): Print out interesting things for
9729 * tree-flow.h (struct subvar): Remove offset and size members.
9730 * tree-ssa-operands.c (get_expr_operands): Update for
9731 get_indirect_ref_operands changes.
9732 (get_indirect_ref_operands): Call add_virtual_operand instead of
9733 add_stmt_operand. Only recurse on base var if requested.
9734 (access_can_touch_variable): New function.
9735 (add_stmt_operand): Split virtual operand handling into ...
9736 (add_virtual_operand): Here. Add offset, size, and for_clobber
9737 arguments. Prune alias sets.
9738 (add_call_clobber_ops): Call add_virtual_operand.
9740 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9743 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9745 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9746 than TREE_CODE as index into omp_clause_num_ops array.
9748 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9750 PR rtl-optimization/26184
9751 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9753 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9754 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9755 must_precede, must_follow and tobe_scheduled.
9758 * opts.c (common_handle_option): Free new_option pointer.
9759 * df-core.c (df_analyze): Free postorder pointer.
9761 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9763 * Makefile.in: Fix the examples about the use of stamps
9765 2006-02-15 Michael Matz <matz@suse.de>
9769 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9770 influenced by maximum_field_alignment or DECL_PACKED.
9771 (update_alignment_for_field): Ditto.
9772 (place_field): Ditto.
9773 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9776 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9778 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9779 (debug_flow_info): Pass it.
9780 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9781 * bb-reorder.c (reorder_basic_blocks): Likewise.
9782 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9783 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9784 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9785 * gcse.c (gcse_main, bypass_jumps): Likewise.
9786 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9787 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9788 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9789 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9790 * rtl.h (dump_flow_info): Adjust prototype.
9791 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9792 * var-tracking.c (variable_tracking_main): Likewise.
9793 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9794 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9797 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9799 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9802 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9804 PR tree-optimization/26209
9805 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9806 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9808 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9810 2006-02-14 Roger Sayle <roger@eyesopen.com>
9813 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9814 (X,Y) and the corresponding symmetry related transformations.
9815 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9816 (X,Y) and its symmetry related transformations.
9818 2006-02-14 Roger Sayle <roger@eyesopen.com>
9820 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9823 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9825 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9827 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9830 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9831 support COMDAT group.
9832 * configure: Regenerate.
9834 2006-02-14 Roger Sayle <roger@eyesopen.com>
9839 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9841 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9843 Fix PR tree-optimization/26260
9845 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9847 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9848 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9849 * tree-ssa-structalias.c (create_variable_info_for): Use
9850 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9852 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9854 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9856 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9857 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9858 of the ending condition.
9859 * tree-ssa-loop-manip.c: Include params.h.
9860 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9861 tree_unroll_loop): New functions.
9862 * tree-pass.h (pass_loop_prefetch): Declare.
9863 * loop.c (rest_of_handle_loop_optimize): Test for
9864 -fprefetch-loop-arrays-rtl.
9865 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9866 * timevar.def (TV_TREE_PREFETCH): New timevar.
9867 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9868 pass_loop_prefetch): New.
9869 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9870 (cleanup_tree_cfg_loop): Call scev_reset.
9871 * common.opt (fprefetch-loop-arrays-rtl): Add.
9872 * tree-ssa-loop-prefetch.c: New file.
9873 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9874 (new_temp_expr_table): Initialize expr_vars.
9875 (free_temp_expr_table): Cleanup expr_vars.
9876 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9877 expressions from being merged into one.
9878 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9879 (struct tree_niter_desc): Add control, bound and cmp fields.
9880 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9882 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9883 (tree-cfgcleanup.o): Add SCEV_H dependency.
9884 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9885 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9887 2006-02-14 Richard Guenther <rguenther@suse.de>
9889 PR tree-optimization/26258
9890 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9891 in PHI argument processing.
9893 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9895 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9896 new expression in the requested machine mode.
9898 2006-02-13 Roger Sayle <roger@eyesopen.com>
9900 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9901 directly, instead let do_compare_rtx_and_jump handle this for us.
9902 * expr.c (expand_expr_real_1): Likewise.
9903 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9904 before do_jump_by_parts_greater.
9905 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9906 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9908 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9910 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9912 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9914 PR rtl-optimization/26235
9915 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9916 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9919 2006-02-13 Jeff Law <law@redhat.com>
9921 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9924 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9927 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9928 twice if decl is a builtin. When trying again, call get_callee_fndecl
9929 first to verify it is still a builtin.
9931 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9933 * dwarf2out.c (base_type_die): Don't add AT_name here.
9934 (subrange_type_die): Don't add AT_name here.
9935 (modified_type_die): Rearrange code flow. Do add AT_name here.
9937 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9939 PR rtl-optimization/26247
9940 PR rtl-optimization/26248
9941 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9943 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9945 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9946 * config/fixtfdi.c: Likewise.
9947 * config/fixunstfdi.c: Likewise.
9948 * config/floatditf.c: Likewise.
9950 2006-02-13 Roger Sayle <roger@eyesopen.com>
9953 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9954 into (X,C2) if C1 is a subset of the bits of C2. Transform
9955 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9957 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9959 2006-02-13 Josh Conner <jconner@apple.com>
9962 * varasm.c (function_section): Check for section name before
9963 calling select_section on targets that define
9964 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9965 unlikely_text_section instead of hot_function_section if
9966 first_function_block_is_cold.
9968 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9971 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9973 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9975 PR rtl-optimization/26222
9976 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9977 after tree->rtl expansion.
9978 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9979 before passing it to emit_move_insn.
9981 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9983 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9985 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9986 Clarify documentation.
9987 * c-common.h (warn_write_strings): Remove.
9988 * c-common.c (warn_write_strings): Likewise.
9989 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9992 2006-02-12 Roger Sayle <roger@eyesopen.com>
9995 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9996 (do_jump_parts_zero_rtx): New function renamed from
9997 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9998 (do_jump_parts_equality_rtx): New function split out from
9999 do_jump_parts_equality. Old implementation renamed as above.
10000 Call do_jump_parts_zero_rtx if either operand is zero.
10001 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10002 do all of the heavy lifting.
10003 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10004 calling either do_jump_by_parts_greater_rtx or
10005 do_jump_by_parts_equality_rtx.
10006 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10007 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10008 moved to do_compare_rtx_and_jump, call it directly.
10009 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10010 mode argument. Call do_compare_rtx_and_jump.
10011 (emit_case_nodes): Update calls to do_jump_if_equal.
10013 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10015 PR rtl-optimization/26225
10016 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10018 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10020 PR rtl-optimization/26232
10021 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10023 2006-02-11 Jason Merrill <jason@redhat.com>
10026 * tree-inline.c (declare_return_variable): Just don't use the
10027 modify target if it's a gimple complex reg and the return slot
10030 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10032 * doc/contrib.texi: Update my entry.
10034 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10036 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10038 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10040 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10043 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10045 * doc/invoke.texi (-floop-optimize2): Removed.
10046 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10047 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10048 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10049 * common.opt (floop-optimize2): Removed.
10050 (fmove-loop-invariants): Enabled by default.
10052 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10054 * tree-if-conv.c (combine_blocks): Free the result of
10055 get_loop_exit_edges.
10057 2006-02-10 Jeff Law <law@redhat.com>
10059 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10061 PR tree-optimization/26213
10062 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10063 loop trying to follow SSA_NAME_VALUE chains.
10065 2006-02-10 Richard Guenther <rguenther@suse.de>
10067 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10068 deal with structures that end in implicitly variable sized arrays.
10070 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10072 PR rtl-optimization/24762
10073 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10076 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10078 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10079 (struct ivopts_data): Add regs_used field.
10080 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10081 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10082 instead of loop_data->regs_used;
10083 (free_loop_data): Do not free aux fields for loops.
10084 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10085 and tree_ssa_iv_optimize_finalize.
10087 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10089 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10091 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10094 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10095 computing the effective result type.
10097 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10099 PR inline-asm/16194
10100 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10101 (tree_overlaps_hard_reg_set): Declare.
10102 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10103 type and signature to match function type expected by walk_tree.
10104 (tree_overlaps_hard_reg_set): New function.
10105 (decl_conflicts_with_clobbers_p): Rename to:
10106 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10107 Use tree_overlaps_hard_reg_set. Changed caller.
10108 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10109 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10110 * cris.c (cris_md_asm_clobbers): Likewise.
10112 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10114 * reload1.c (emit_input_reload_insns): Delete code that tries to
10115 inherit using find_equiv_reg.
10117 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10119 * c-common.h (flag_const_strings): Don't declare.
10120 * c-common.c (flag_const_strings): Remove.
10121 * c.opt (fconst_strings): Remove.
10122 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10123 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10124 (c_common_init_options): Don't set flag_const_strings.
10125 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10127 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10129 * arm.md (tlobits_cbranch): New pattern.
10130 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10131 testing a single bit.
10133 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10136 * tree-ssa-pre.c (create_component_ref_by_pieces):
10137 Handle RETURN_DECL like VAR_DECL.
10139 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10141 PR middle-end/26134
10142 * fold-const.c (fold_indirect_ref_1): Fold
10143 "*(foo *)&complexfoo" to "__real__ complexfoo"
10144 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10146 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10148 * tree-flow-inline.h (var_can_have_subvars):
10149 Volatile variables should not have subvariables.
10151 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10154 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10155 multiplying unsigned values.
10158 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10160 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10162 2006-02-08 Jason Merrill <jason@redhat.com>
10165 * tree.def: Elaborate on difference from MODIFY_EXPR.
10166 * doc/c-tree.texi (INIT_EXPR): Likewise.
10167 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10168 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10169 (gimplify_target_expr): Likewise.
10170 (gimplify_cond_expr): Remove target handling.
10171 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10172 (gimplify_expr): Clobber it here.
10173 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10174 Do return slot optimization if we have an INIT_EXPR.
10177 * tree-inline.c (declare_return_variable): Also clear
10178 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10181 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10183 PR middle-end/22439
10184 * gimplify.c (gimplify_one_sizepos): Fix typo.
10186 2006-02-08 Jeff Law <law@redhat.com>
10188 PR tree-optimization/21417
10189 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10190 across a backedge if the control statement at the end of the
10191 block is data dependent on other statements in the same block.
10192 (record_temporary_equivalences_from_stmts): Remove over-conservative
10193 test for threading across backedges.
10195 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10196 control statement, handle all three special cases in the same
10197 manner as they all have the same desired solution. No longer
10198 special case edge flag updating when the post dominator is
10201 2006-02-08 Roger Sayle <roger@eyesopen.com>
10203 * tree.def (CHAR_TYPE): Remove.
10204 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10205 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10206 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10207 (gen_string_type_die): Delete unreachable function.
10209 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10210 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10211 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10212 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10213 * builtins.c (type_to_class): Likewise.
10214 * fold-const.c (fold_convert, build_range_check,
10215 merge_ranges): Likewise.
10216 * expr.c (count_type_elements): Likewise.
10217 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10218 * stor-layout.c (layout_type): Likewise.
10219 * ipa-type-escape.c (type_to_consider): Likewise.
10220 * gimplify.c (omp_firstprivatize_type_sizes,
10221 gimplify_type_sizes): Likewise.
10222 * explow.c (promote_mode): Likewise.
10223 * tree-sra.c (is_sra_scalar_type): Likewise.
10224 * varasm.c (output_constant): Likewise.
10225 * tree-inline.c (remap_type_1): Likewise.
10226 * convert.c (convert_to_pointer, convert_to_real,
10227 convert_to_integer, convert_to_complex): Likewise.
10229 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10231 * df-scan.c (df_def_record_1): A set destination may
10232 be a parallel regardless of mode.
10234 2006-02-08 Roger Sayle <roger@eyesopen.com>
10237 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10238 * config/mips/_tilib.c: Remove.
10239 * config/fixtfdi.c: New libgcc source file.
10240 * config/fixunstfdi.c: New source file.
10241 * config/floatditf.c: New source file.
10242 * config/floatunditf.c: New souce file.
10243 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10244 files above instead of config/mips/_tilib.c.
10245 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10247 2006-02-08 Jeff Law <law@redhat.com>
10249 PR tree-optimization/26169
10250 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10253 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10255 * df.h (DF_REG_SIZE): Return the length of the initialized
10258 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10260 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10261 __muldf3): Return a correctly signed zero.
10263 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10265 * passes.c (register_one_dump_file): Accept the current properties
10266 instead of pass number. Adjust call to dump_register. Remove
10268 (register_dump_files): Now a wrapper around...
10269 (register_dump_files_1): ... this one. Do not modify the pass
10271 (next_pass_1): Cosmetic fix.
10272 (execute_todo): Keep second parameter only. Use curr_properties
10273 instead of fetching it from the pass structure. Check and set
10275 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10276 instead of fetching it from the pass structure. Fix calls to
10277 execute_todo. Update curr_properties and initialize .vcg RTL dump
10278 after running the pass. Reset last_verified.
10279 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10281 (FIRST_AUTO_NUMBERED_DUMP): New.
10282 (dump_register): Remove "num" parameter, assign it within the
10284 (get_dump_file_name): Modify template for dumps.
10285 * tree-dump.h (dump_register): Adjust prototype.
10286 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10287 (PROP_trees): Add PROP_gimple_lomp.
10288 (TODO_set_props): New.
10289 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10290 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10291 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10293 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10295 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10296 (sparc64-*-linux*): Likewise.
10297 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10298 * config/sparc/t-linux: New file.
10299 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10300 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10301 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10302 -m32 -mlong-double-128.
10304 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10305 * config/alpha/t-linux: New file.
10306 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10308 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10309 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10310 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10311 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10312 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10313 (CPP_ARCH32_SPEC): Remove.
10315 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10317 PR tree-optimization/26145
10318 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10321 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10324 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10325 >= 240000 when generating code for SOM runtime.
10326 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10327 to $$dyncall when generating code for SOM runtime..
10329 2006-02-07 Dirk Mueller <dmueller@suse.com>
10332 * doc/invoke.texi (-Wsequence-point): Update documentation
10333 that -Wsequence-point is implemented for C++ as well.
10335 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10337 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10338 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10339 (LIB_SPEC): Likewise.
10340 * doc/invoke.texi (SPARC options): Document -pthread.
10342 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10344 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10347 2006-02-07 Roger Sayle <roger@eyesopen.com>
10349 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10350 Correct comment describing BOOLEAN_TYPE.
10352 2006-02-07 Dirk Mueller <dmueller@suse.com>
10354 * c.opt: C++ frontend supports -Wdiv-by-zero.
10355 * c-opts.c (c_common_handle_option): Remove dead case.
10357 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10359 * configure.ac (TLS assembler check): Do not enable TLS by
10360 default on SPARC/Solaris before version 10.
10361 * configure: Regenerate.
10363 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10365 * doc/invoke.texi (xl-compat): Document conversion and support
10368 2006-02-07 Jeff Law <law@redhat.com>
10370 * tree-vrp.c (find_conditional_asserts): Update comments.
10371 (simplify_stmt_for_jump_threading): New.
10372 (identify_jump_threads, finalize_jump_threads): New.
10373 (vrp_finalize): Call identify_jump_threads.
10374 (execute_vrp): Call finalize_jump_threads.
10375 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10376 (vrp_element, vrp_data, vrp_element_p): Remove.
10377 (vrp_hash_elt, vrp_variables_stack): Remove.
10378 (vrp_hash, vrp_eq, record_range): Remove.
10379 (simplify_cond_and_lookup_avail_expr): Remove.
10380 (extract_range_from_cond): Remove.
10381 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10382 (simplify_stmt_for_jump_threading): New.
10383 (dom_thread_across_edge): New wrapper.
10384 (tree_ssa_dominator_optimize): No longer initialize or
10385 finalize any of the VRP datastructures. Remove iteration
10386 step and simplify as a result of removal of iteration step.
10387 (pass_dominator): Perform a cfg cleanup after DOM.
10388 (dom_opt_finalize_block): Use the new common routines
10389 for threading jumps. Simplify stack management slightly.
10390 No longer need to unwind VRP state.
10391 (record_equivalences_from_incoming_edge): No longer record
10393 (eliminate_redundant_computations): No longer call
10394 simplify_cond_and_lookup_avail_expr.
10395 * tree-flow.h (potentially_threadable_block): Prototype.
10396 (thread_across_edge): Likewise.
10397 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10398 (tree-ssa-threadedge.o): Add dependencies.
10399 * tree-ssa-threadedge.c: New file.
10400 * passes.c (init_optimization_passes): Merge PHIs before
10401 calling VRP. Run VRP again late in the SSA optimization pipeline.
10403 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10405 * df-core.c (df_set_blocks): Do not dereference function pointers.
10406 (df_finish1): Likewise.
10407 (df_hybrid_search_forward): Likewise.
10408 (df_hybrid_search_backward): Likewise.
10409 (df_iterative_dataflow): Likewise.
10410 (df_analyze_problem): Likewise.
10411 (df_compact_blocks): Likewise.
10412 (df_dump): Likewise.
10413 * df-scan.c (df_rescan_blocks): Likewise.
10414 (df_record_entry_block_defs): Likewise.
10416 * genconditions.c (write_conditions): Guard the definition of
10417 'insn_conditions' with the check on GCC version.
10418 (write_writer): Guard the traversal 'insn_conditions' with
10419 the check on GCC version.
10421 2006-02-07 Richard Guenther <rguenther@suse.de>
10425 2006-01-30 Richard Guenther <rguenther@suse.de>
10427 * gimplify.c (gimplify_target_expr): Handle easy cases
10428 without creating a temporary.
10430 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10432 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10433 use of float in probability computations. Use edge probabilities
10434 in place of statically computed probabilities.
10435 (min_spec_prob): New static variable.
10436 (schedule_insns): Initialize it.
10437 (GET_SRC_PROB): Removed.
10438 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10440 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10443 * config/ia64/unwind-ia64.c: Revert last change.
10444 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10445 (INCOMING_FRAME_SP_OFFSET): Define.
10447 2006-02-06 Roger Sayle <roger@eyesopen.com>
10449 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10451 2006-02-07 Ben Elliston <bje@au.ibm.com>
10453 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10454 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10455 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10456 (ix86_return_in_memory): Handle TDmode.
10457 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10458 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10460 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10462 * reorg.c (dbr_schedule): Use dump_file instead of file.
10464 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10467 * config/ia64/predicates.md (extr_len_operand): New predicate.
10468 * config/ia64/ia64.md (extv): Tighten constraints.
10470 (*tbit_and_2): Ditto.
10471 (*tbit_and_3): Ditto.
10472 (*tbit_or_2): Ditto.
10473 (*tbit_or_3): Ditto.
10474 (*bit_zero): Ditto.
10477 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10480 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10482 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10484 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10485 loop_optimizer_init and loop_optimizer_finalize
10486 * tree-ssa-sink.c (execute_sink_code): Ditto.
10487 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10488 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10489 tree_ssa_loop_done): Ditto.
10490 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10491 * sched-ebb.c: Include output.h.
10492 (schedule_ebbs): Do not use dump argument.
10493 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10494 * loop.c (loop_dump_stream): Removed.
10495 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10497 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10498 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10499 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10500 loop_iterations, strength_reduce, record_biv, record_giv,
10501 final_giv_value, check_final_value, check_ext_dependent_givs,
10502 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10503 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10504 dump_file instead of loop_dump_stream.
10505 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10506 argument dump_file.
10507 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10509 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10510 * haifa-sched.c: Include output.h
10511 (schedule_insns, sched_init): Do not use dump argument.
10512 * mode-switching.c (optimize_mode_switching): Ditto.
10513 * modulo-sched.c (stats_file): Removed.
10514 (print_node_sched_params): Do not call argument dump_file.
10515 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10516 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10518 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10520 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10521 rtl_loop_init, rtl_loop_done): Ditto.
10522 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10523 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10525 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10526 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10527 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10528 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10529 * emit-rtl.c (renumber_insns): Ditto.
10530 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10531 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10532 * regclass.c (regclass): Ditto.
10533 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10534 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10535 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10536 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10538 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10539 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10541 * gcse.c (gcse_file, debug_stderr): Removed.
10542 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10543 rest_of_handle_gcse): Do not use dump argument.
10544 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10545 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10546 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10547 compute_code_hoist_vbeinout, compute_code_hoist_data,
10548 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10549 compute_store_table, build_store_vectors, insert_insn_start_bb,
10550 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10551 store_motion): Use dump_file instead of gcse_file.
10552 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10553 * profile.c (profile_dump_file): Removed.
10554 (branch_prob): Use dump_file instead of profile_dump_file.
10555 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10557 * tree-ssa-copy.c (dump_copy_of): Ditto.
10558 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10559 dump file to life_analysis.
10560 * bt-load.c (branch_target_load_optimize): Ditto.
10561 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10563 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10564 regclass, dbr_schedule): Declaration changed.
10565 * sched-int.h (sched_init): Declaration changed.
10566 * tree-profile.c (tree_profile_dump_file): Removed.
10567 (tree_profile_hooks): Removed profile_dump_file hook.
10568 * rtl-profile (rtl_profile_dump_file): Removed.
10569 (rtl_profile_hooks): emoved profile_dump_file hook.
10570 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10572 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10573 * tree-cfg.c (build_tree_cfg): Ditto.
10574 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10575 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10576 Declaration changed.
10577 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10578 life_analysis and schedule_insns.
10579 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10581 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10583 * config/mips/mips.c (mips_reorg): Ditto.
10584 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10587 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10589 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10590 (s390_mangle_fundamental_type): New.
10591 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10594 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10595 (alpha_mangle_fundamental_type): New.
10596 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10599 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10601 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10603 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10604 (sparc_mangle_fundamental_type): New.
10606 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10608 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10609 (s390x-*-linux*): Likewise.
10610 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10611 * config/s390/t-linux: New file.
10613 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10615 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10616 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10618 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10620 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10621 (ANTIC_SAFE_LOADS): New macro.
10622 (find_or_generate_expression): Add prototype.
10623 (set_contains_value): Allow null set for sake of not always having
10624 to allocate ANTIC_SAFE_LOADS.
10625 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10626 Allow COMPONENT_REF too.
10627 (valid_in_set): Allow COMPONENT_REF.
10628 Check ANTIC_SAFE_LOADS too.
10629 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10630 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10632 (can_PRE_operation): Add COMPONENT_REF.
10633 (create_component_ref_by_pieces): New function.
10634 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10635 (insert_aux): Move AGGREGATE_TYPE_P check here.
10636 (compute_avail): Set bb local stmt uids.
10637 (pass_pre): Use TODO_update_ssa_only_virtuals.
10639 2006-02-06 Ben Elliston <bje@au.ibm.com>
10641 * configure.ac: Unconditionally disable decimal float by default.
10642 * configure: Regenerate.
10644 2006-02-06 Ben Elliston <bje@au.ibm.com>
10646 * read-rtl.c (read_name): Terminate reading on EOF.
10648 2006-02-06 Ben Elliston <bje@au.ibm.com>
10650 * dfp.c (decimal_real_arithmetic): Change second argument type
10651 from int to enum tree_code. Do not always return true, but now
10652 return result of any call to decimal_do helper functions.
10653 * dfp.h (decimal_real_arithmetic): Update prototype.
10655 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10657 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10659 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10662 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10665 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10667 * tree-vrp.c (cfg_loops): Removed.
10668 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10669 Use current_loops instead of cfg_loops. Pass flags to
10670 loop_optimizer_init.
10671 * cfgloopmanip.c (fix_loop_structure): Update only available
10673 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10674 loop_optimizer_init.
10675 * modulo-sched.c (build_loops_structure): Removed.
10676 (sms_schedule): Use loop_optimizer_init.
10677 * loop-init.c (loop_optimizer_init): Use flags to determine
10678 which properties of loops to prepare.
10679 (rtl_loop_init): Pass flags to loop_optimizer_init.
10680 * tree-ssa-sink.c (execute_sink_code): Ditto.
10681 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10682 * tree-ssa-pre.c (init_pre): Ditto.
10683 * cfgloop.h (LOOPS_NORMAL): New.
10684 (loop_optimizer_init): Declaration changed.
10686 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10688 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10689 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10691 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10693 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10695 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10696 * pa/t-pa64: Delete quadlib.c rule.
10697 * pa/x-ada: Revert last change.
10698 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10700 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10702 PR rtl-optimization/26087
10703 * rtlanal.c (canonicalize_condition): Do not cross basic block
10706 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10709 * config/ia64/ia64.c: Include debug.h.
10710 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10711 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10712 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10713 (process_epilogue, process_set, process_for_unwind_directive):
10714 Output unwind info only if requested. Add CFA info if requested.
10715 Add new arguments as needed. Adjust callers.
10716 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10718 (DWARF2_FRAME_INFO): Define to zero.
10719 * config/ia64/unwind-ia64.c: Remove code that compensated for
10720 the CFA offset error fixed above.
10721 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10722 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10723 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10724 -funwind-tables and -fexceptions to enable frame info.
10725 (dwarf2out_frame_init): Define initial CFA even if
10726 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10727 DWARF2_UNWIND_INFO is nonzero, not just defined.
10728 (dwarf2out_frame_finish): Output non-EH call frame info only
10729 if DWARF2_FRAME_INFO is nonzero.
10730 (convert_cfa_to_loc_list,
10731 compute_frame_pointer_to_cfa_displacement): Define even if
10732 unwind info is not supported.
10733 (gen_subprogram_die): Use the above unconditionally. Remove
10734 legacy alternate code.
10735 * toplev.c (compile_file): Compile in call to
10736 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10737 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10739 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10740 Jakub Jelinek <jakub@redhat.com>
10742 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10743 IBM extended float format long double as "g" on powerpc*-linux.
10745 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10748 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10749 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10751 2006-02-03 Jason Merrill <jason@redhat.com>
10754 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10756 PR middle-end/25977
10757 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10758 on the return slot if it's an NRV.
10760 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10762 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10763 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10764 rewrite_use): Do not handle USE_OUTER.
10765 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10766 add_iv_outer_candidates, may_replace_final_value,
10767 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10768 (find_interesting_uses_op): Functionality of
10769 find_interesting_uses_outer_or_nonlin moved here.
10770 (find_interesting_uses_outside): Use find_interesting_uses_op.
10772 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10775 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10777 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10778 Ulrich Weigand <uweigand@de.ibm.com>
10781 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10782 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10783 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10784 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10786 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10787 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10788 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10789 Define secondary reloads for TFmode moves.
10790 (constant_modes): Add TFmode.
10791 (NR_C_MODES): Set to 8.
10792 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10794 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10795 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10796 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10797 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10798 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10799 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10800 (FPR mode macro): Add TFmode.
10801 (DSF mode macro): New.
10802 (<de>, <dee> mode attributes): Removed.
10803 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10804 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10805 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10806 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10807 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10808 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10809 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10810 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10811 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10812 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10813 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10814 "*negabs<mode>2", "sqrt<mode>2"):
10815 Changed <de> to <xde>. R constraint replaced by <Rf>.
10816 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10818 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10819 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10820 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10822 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10823 "extenddftf2", "extendsftf2"): New expanders.
10824 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10825 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10826 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10827 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10829 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10830 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10831 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10832 __floatditf): Add a GCC_4.1.0 symbol version tag.
10833 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10836 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10839 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10840 Use targetm.binds_local_p instead of TREE_PUBLIC.
10842 2006-02-02 Roger Sayle <roger@eyesopen.com>
10844 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10845 on INTEGER_TYPEs to indicate that it denotes a character type.
10846 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10847 signed_char_type_node, unsigned_char_type_node and char_type_node.
10848 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10849 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10850 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10852 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10853 Daniel Berlin <dberlin@dberlin.org>
10855 * tree-tailcall.c (arg_needs_copy_p): New function.
10856 (eliminate_tail_call): Use arg_needs_copy_p.
10857 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10858 (add_virtual_phis): New function.
10860 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10862 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10863 #ignore instead of #scratch for %g7 .register directive.
10865 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10867 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10870 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10872 * flow.c (calculate_global_regs_live): Assert that there aren't any
10875 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10877 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10878 what its name says.
10879 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10880 bsi_after_labels iterator.
10881 * tree-if-conv.c (find_phi_replacement_condition,
10882 replace_phi_with_cond_modify_expr): Likewise.
10883 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10884 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10886 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10888 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10890 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10893 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10894 array after growing it.
10896 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10898 PR middle-end/24901
10899 * fold-const.c (fold_checksum_tree): Change type of buf.
10901 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10903 * reload.c (push_secondary_reload): Initialize t_icode.
10905 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10907 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10908 -msoft-float -mlong-double-128 only issue a warning, but don't
10909 swich to DFmode long double.
10911 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10913 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10914 has a constant equivalent, iterate over equivalents for arg0,
10915 calling simplify_relational_operation and if there's a result
10916 cheaper than X, apply fold_rtx and return the result.
10918 2006-02-01 Jan Hubicka <jh@suse.cz>
10920 * opts.c (no_unit_at_a_time_default): New global variable.
10921 (decode_options): Use it.
10922 * opts.h (no_unit_at_a_time_default): Declare.
10924 2006-02-01 Paul Brook <paul@codesourcery.com>
10926 * function.c (assign_parm_setup_reg): Use function argument promotion
10928 * expr.c (expand_expr_real_1): Use function argument promotion rules
10931 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10933 * gcc.c (process_command): Change j to 'unsigned int'.
10935 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10937 PR middle-end/26001
10938 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10939 Use the corrected index for the character
10940 out of the string constant.
10942 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10944 * mode-switching.c (optimize_mode_switching): Fix size
10945 allocated for bb_info[n_entities].
10947 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10949 * gcc.c (main): Correct type that is allocated for
10950 explicit_link_files.
10952 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10954 * config/s390/s390.c (init_alignment_context): Set
10955 ALIAS_SET_MEMORY_BARRIER on the MEM.
10956 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10958 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10960 PR middle-end/25933
10961 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10963 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10966 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10968 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10969 * regrename.c: Ditto.
10970 * tree-ssa-loop-im.c: Ditto.
10971 * tree-dump.c: Ditto.
10972 * tree-complex.c: Ditto.
10973 * genrecog.c: Ditto.
10974 * tree-ssa-threadupdate.c: Ditto.
10976 * java/class.c: Ditto.
10977 * java/jcf-parse.c: Ditto.
10978 * java/resource.c: Ditto.
10979 * java/except.c: Ditto.
10980 * java/jvspec.c: Ditto.
10981 * java/jcf-write.c: Ditto.
10982 * java/jcf-path.c: Ditto.
10983 * java/gjavah.c: Ditto.
10984 * java/zextract.c: Ditto.
10985 * java/jcf-io.c: Ditto.
10986 * java/jcf.h: Ditto.
10987 * java/buffer.c: Ditto.
10988 * java/lang.c: Ditto.
10989 * java/parse-scan.y: Ditto.
10990 * java/lex.c: Ditto.
10991 * java/lex.h: Ditto.
10992 * cfgloopmanip.c: Ditto.
10993 * postreload-gcse.c: Ditto.
10994 * tree-ssa-loop-manip.c: Ditto.
10995 * postreload.c: Ditto.
10996 * tree-ssa-loop-ch.c: Ditto.
10999 * cppspec.c: Ditto.
11000 * diagnostic.c: Ditto.
11002 * genoutput.c: Ditto.
11004 * cfghooks.c: Ditto.
11005 * cfgloopanal.c: Ditto.
11006 * objc/objc-act.c: Ditto.
11008 * genextract.c: Ditto.
11009 * genautomata.c: Ditto.
11010 * pretty-print.c: Ditto.
11011 * genemit.c: Ditto.
11012 * cgraphunit.c: Ditto.
11014 * df-scan.c: Ditto.
11015 * haifa-sched.c: Ditto.
11016 * dominance.c: Ditto.
11018 * tree-ssa-loop-ivopts.c: Ditto.
11019 * df-core.c: Ditto.
11020 * mode-switching.c: Ditto.
11021 * modulo-sched.c: Ditto.
11023 * ipa-pure-const.c: Ditto.
11025 * fix-header.c: Ditto.
11027 * tree-stdarg.c: Ditto.
11028 * ipa-utils.c: Ditto.
11029 * loop-init.c: Ditto.
11030 * ipa-inline.c: Ditto.
11031 * cfganal.c: Ditto.
11033 * alloc-pool.c: Ditto.
11034 * dwarf2out.c: Ditto.
11036 * genattrtab.c: Ditto.
11037 * tree-ssa-loop-ivcanon.c: Ditto.
11038 * predict.c: Ditto.
11039 * timevar.c: Ditto.
11041 * fortran/gfortranspec.c: Ditto.
11042 * regmove.c: Ditto.
11043 * local-alloc.c: Ditto.
11044 * langhooks.c: Ditto.
11045 * function.c: Ditto.
11046 * tree-vectorizer.c: Ditto.
11048 * ipa-type-escape.c: Ditto.
11050 * tree-if-conv.c: Ditto.
11051 * profile.c: Ditto.
11053 * tree-data-ref.c: Ditto.
11054 * loop-unroll.c: Ditto.
11055 * treelang/treetree.c: Ditto.
11057 * bt-load.c: Ditto.
11058 * ggc-common.c: Ditto.
11060 * coverage.c: Ditto.
11062 * tree-cfgcleanup.c: Ditto.
11063 * tree-ssa-pre.c: Ditto.
11064 * cfgcleanup.c: Ditto.
11065 * loop-invariant.c: Ditto.
11066 * loop-iv.c: Ditto.
11067 * ipa-prop.c: Ditto.
11068 * print-tree.c: Ditto.
11069 * conflict.c: Ditto.
11070 * ggc-page.c: Ditto.
11071 * sched-deps.c: Ditto.
11072 * regclass.c: Ditto.
11073 * tree-object-size.c: Ditto.
11074 * combine.c: Ditto.
11075 * bb-reorder.c: Ditto.
11076 * resource.c: Ditto.
11077 * var-tracking.c: Ditto.
11078 * cfgloop.c: Ditto.
11079 * df-problems.c: Ditto.
11080 * reg-stack.c: Ditto.
11082 * gccspec.c: Ditto.
11083 * sched-rgn.c: Ditto.
11084 * tree-ssa-structalias.c: Ditto.
11085 * tree-ssa-reassoc.c: Ditto.
11086 * config/darwin-c.c: Ditto.
11087 * config/darwin.c: Ditto.
11088 * config/arm/arm.c: Ditto.
11090 * collect2.c: Ditto.
11091 * reload1.c: Ditto.
11093 2006-01-31 Nicolas Pitre <nico@cam.org>
11095 * arm.md (smaxsi3): Make aware of smax_m1.
11098 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11100 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11102 2006-01-31 Richard Guenther <rguenther@suse.de>
11104 * doc/invoke.texi (-msselibm): Document.
11105 * target.h (expand_library_builtin): New target hook.
11106 * builtins.c (expand_builtin): Use expand_library_builtin.
11107 (default_expand_library_builtin): New function.
11108 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11109 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11110 (link_gcc_math_spec): Declare.
11111 (static_specs): Add link_gcc_math_spec.
11112 * expr.h (default_expand_library_builtin): Declare.
11113 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11114 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11115 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11116 * config/i386/i386.opt (msselibm): New target option.
11117 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11118 (ix86_init_sse_abi_builtins): New function.
11119 (ix86_expand_library_builtin): Likewise.
11120 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11121 (override_options): Handle error conditions wrt -msselibm.
11122 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11123 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11124 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11127 2006-01-31 Richard Guenther <rguenther@suse.de>
11128 Paolo Bonzini <bonzini@gnu.org>
11130 * doc/install.texi (--disable-libgcc-math): Document.
11132 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11134 * expr.h (expand_normal): new inline function.
11135 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11136 * dojump.c: use it.
11137 * dwarf2out.c: use it.
11140 * expmed.c: use it.
11141 * except.c: use it.
11142 * config/sparc/sparc.c: use it.
11143 * config/i386/i386.c: use it.
11144 * config/rs6000/rs6000.c: use it.
11145 * config/arm/arm.c: use it.
11146 * config/mips/mips.c: use it.
11147 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11149 2006-01-30 Roger Sayle <roger@eyesopen.com>
11151 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11152 argv to the appropriate type.
11154 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11156 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11159 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11162 * config/s390/s390.c (struct machine_function): New flag
11163 decomposed_literal_pool_addresses_ok_p.
11164 (s390_reorg): Set it before final stage of literal pool transforms.
11165 (s390_decompose_address): Only accept displacements of the form
11166 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11168 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11170 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11171 the comparison routine return.
11173 2006-01-30 Michael Matz <matz@suse.de>
11175 * global.c (find_reg): Only evict for global regs.
11176 Take n_refs into account and dump more info.
11178 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11181 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11182 (pragma_trap, pragma_nosave_low_regs): Likewise.
11183 (current_function_anonymous_args): Likewise.
11184 (sh_deferred_function_attributes): New variable.
11185 (sh_deferred_function_attributes_tail): Likewise.
11186 (print_operand): For '@', look up trap_exit attribute.
11187 (calc_live_regs): Look up trapa_handler attribute. For trapa
11188 handlers, save/restore fpscr, but don't do any other
11189 interrupt-specific saves.
11190 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11191 Fix check for partially saved registers to check for SHmedia.
11192 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11193 (sh_output_function_epilogue): Don't clear any of the removed
11195 (sh_insert_attributes): Don't check pragma_interrupt.
11196 Insert deferred attributes. Check that interrupt attribute is
11197 present for other attributes that require its presence.
11198 (sh_attribute_table): Add new attributes trapa_handler and
11200 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11201 Don't check for pragma_interrupt. Don't store argument.
11202 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11203 (sh_deferred_function_attributes): Declare.
11204 (sh_deferred_function_attributes_tail): Likewise.
11205 * sh.md (sp_switch_1): Add operand. Change generator caller.
11206 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11207 (*return_i): Don't use when trap_exit attribute is in effect.
11208 (*return_trapa): New insn pattern.
11209 * sh-c.c: New file.
11210 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11211 setting c_target_objs and cxx_target_objs.
11212 * t-sh: Add rule for sh-c.o.
11214 2006-01-30 Richard Guenther <rguenther@suse.de>
11217 * gimplify.c (gimplify_target_expr): Handle easy cases
11218 without creating a temporary.
11220 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11222 * vec.h (safe_grow): Remove duplicated line.
11224 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11227 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11228 (expand_omp): ... here.
11229 (expand_omp_parallel): Only remove barriers for combined
11230 parallel+workshare constructs.
11232 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11236 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11237 * tree.c (build_qualified_type): Chain the new type to the original
11238 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11239 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11240 (build_pointer_type_for_mode): Only return unqualified types.
11241 (build_reference_type_for_mode): Likewise.
11243 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11245 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11246 * Makefile.in (CXX_COMPAT_WARN): Define.
11247 * configure: Regenerate.
11249 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11252 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11255 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11257 * toplev.c: Fix thinko.
11259 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11260 Marcin Dalecki <martin@dalecki.de>
11262 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11263 (push_srcloc): Use XNEW.
11264 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11266 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11268 * df-core.c (df_set_blocks): Deleted all variable.
11270 2006-01-28 Ian Lance Taylor <ian@airs.com>
11272 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11273 cgraph_output_pending_asms.
11275 2006-01-28 Zack Weinberg <zackw@panix.com>
11277 * c.opt: Add -W(no-)overlength-strings.
11278 * doc/invoke.texi: Document it.
11279 * c-opts.c (c_common_handle_option): -pedantic implies
11280 -Woverlength-strings, if not explicitly disabled already.
11281 (c_common_post_options): -Woverlength-strings defaults to off, and
11282 is always off for C++.
11283 * c-common.c (fix_string_type): Issue warning about strings longer
11284 than is portable only if warn_overlength_strings. Rearrange code
11285 a little for clarity.
11286 * configure.in: Check for -Wno-overlength-strings as well before
11287 enabling -pedantic in stage 1.
11288 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11289 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11291 * genconditions.c (write_header, write_one_condition)
11292 (write_conditions, write_writer): Consolidate very long strings
11293 that were broken up to fit in C89 portable limit. Don't use
11294 printf when fputs will do.
11296 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11298 * combine.c (simplify_comparison <AND>): Check
11299 TRULY_NOOP_TRUNCATION before start using a subreg.
11301 * config/mips/mips.md (*branch_zero<mode>,
11302 *branch_zero<mode>_inverted, *branch_equality<mode>,
11303 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11304 Remove mode check from comparisons.
11306 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11308 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11310 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11312 * expmed.c (const_mult_add_overflow_p): Remove.
11313 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11315 * recog.c (validate_replace_rtx_subexp): Remove.
11316 * recog.h: Remove the prototype for
11317 validate_replace_rtx_subexp.
11319 * integrate.h: Remove the prototype for
11320 copy_decl_for_inlining.
11321 * rtl.h: Remove the prototype for mark_constant_function.
11322 * tree-vectorizer.h: Remove the prototype for
11323 vect_strip_conversion.
11325 * modulo-sched.c (create_partial_schedule,
11326 free_partial_schedule, reset_partial_schedule): Make them
11329 * hooks.c (hook_bool_rtx_int_false): Remove.
11330 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11332 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11334 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11335 and -mlong-double-128 are incompatible.
11336 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11337 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11338 (TARGET_LIBGCC2_CFLAGS): Define.
11339 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11340 (TARGET_LIBGCC2_CFLAGS): Same.
11341 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11343 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11346 * c-typeck.c (build_binary_op): Perform implicit casts of
11347 operands before shortening them.
11349 * cfgloopmanip.c (split_loop_bb): Remove.
11350 * cfgloop.h: Remove the prototype for split_loop_bb.
11352 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11353 * cfgloop.h: Remove the prototype for
11354 flow_loop_outside_edge_p.
11356 * emit-rtl.c (init_virtual_regs): Make it static.
11357 * function.h: Remove the prototype for init_virtual_regs.
11359 * recog.c (peephole2_optimize): Make it static.
11360 * recog.h: Remove the prototype for peephole2_optimize.
11362 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11364 * df-scan.c (df_record_entry_block_defs): Check if
11365 INCOMING_RETURN_ADDR_RTX is defined.
11367 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11368 Kenneth Zadeck <zadeck@naturalbridge.com>
11370 PR rtl-optimization/24762
11371 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11372 * targhooks.c (hook_void_bitmap): New hook prototype.
11373 * targhoohs.h (hook_void_bitmap): Ditto.
11374 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11375 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11376 * target.h (live_on_entry): New function pointer.
11377 * df-scan.c (df_all_hard_regs): Removed.
11378 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11379 (df_scan_free_internal): Added df->entry_block_defs.
11380 (df_scan_alloc): Ditto.
11381 (df_scan_dump): Ditto.
11382 (df_uses_record): Plumbed flag field properly thru calls.
11383 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11384 This part fixes PR24762.
11385 (df_bb_refs_record): Added code to make the frame and arg
11386 pointers live in EH blocks.
11387 (df_refs_record): Added call to df_record_entry_block_defs.
11388 (df_record_entry_block_defs): New function.
11389 * df-core.c: Added comments to describe new artifical defs.
11390 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11391 (entry_block_defs): New field in struct df.
11392 (df_all_hard_regs): Deleted.
11393 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11394 * df-problems.c (df_ru_bb_local_compute_process_def):
11395 Added code to handle artifical defs in the entry to a function.
11396 (df_ru_bb_local_compute): Ditto.
11397 (df_rd_bb_local_compute_process_def): Ditto.
11398 (df_rd_bb_local_compute): Ditto.
11399 (df_lr_bb_local_compute): Ditto.
11400 (df_ur_bb_local_compute): Ditto.
11401 (df_urec_bb_local_compute): Ditto.
11402 (df_chain_create_bb): Ditto.
11403 (df_ur_local_finalize): Removed entry.
11404 (df_urec_init): Ditto.
11405 (df_urec_local_finalize): Ditto.
11406 (df_ri_bb_compute): Added detection of last use of pseudos.
11407 * Makefile.in (df-scan.o): Updated dependencies.
11408 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11409 * config/mips/mips.c (mips_set_live_on_entry): Added.
11410 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11412 * dce.c (marked_insn_p): Added code to handle artifical defs.
11414 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11416 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11418 (_mm_cvtsi128_si64): Likewise.
11419 (_mm_cvtsd_si64): Likewise.
11420 (_mm_cvttsd_si64): Likewise.
11421 (_mm_cvtsi64_sd): Likewise.
11422 (_mm_cvtsi64_si128): Likewise.
11423 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11424 (_mm_cvtsi64_m64): Likewise.
11425 (_m_to_int64): Likewise.
11426 (_mm_cvtm64_si64): Likewise.
11427 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11428 (_mm_cvttss_si64): Likewise.
11429 (_mm_cvtsi64_ss): Likewise.
11430 (_mm_cvtss_f32): Likewise.
11432 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11434 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11435 for pragma redefine_extname.
11437 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11440 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11441 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11442 -mno-minimal-toc to previous content.
11443 (bispecs): Remove goal.
11444 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11445 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11446 compatibility aliases on powerpc-*-*gnu*.
11447 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11448 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11449 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11450 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11451 (ldblspecs): New goal.
11452 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11453 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11455 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11456 L_sf_to_tf or L_df_to_tf is defined.
11458 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11459 Alan Modra <amodra@bigpond.net.au>
11462 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11463 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11464 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11465 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11466 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11467 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11468 (rs6000_override_options): Initialize rs6000_ieeequad.
11469 Initialize TFmode format to ibm_extended_format if not
11471 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11473 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11474 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11475 (function_arg_advance): IBM long double passed in two FPRs, not
11477 (function_arg): IBM long double passed in FPRs.
11478 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11479 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11480 Only multireg GPR aligned.
11481 (rs6000_init_libfuncs): Enable IBM long double functions if not
11483 (rs6000_generate_compare): Use IBM long double compare if not
11485 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11486 (TARGET_IEEEQUAD): Define.
11487 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11488 not TARGET_IEEEQUAD.
11489 * config/rs6000/rs6000.md: Enable TFmode patterns if
11491 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11492 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11493 and -mlong-double-128 are incompatible.
11494 * doc/invoke.texi (-mabi): Collect options together. Add
11495 ibmlongdouble and ieeelongdouble.
11497 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11499 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11501 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11502 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11503 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11504 * rtl.h (rtunion_def): Remove rt_ptr.
11506 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11507 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11508 * config/i386/winnt.c (i386_pe_mark_dllexport)
11509 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11511 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11513 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11515 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11519 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11520 pthread_key_delete. From John David Anglin. gthrw-ify
11521 pthread_getunique_np only if it it's not a macro. Delete
11523 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11524 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11525 __gthread_objc_condition_signal, __gthread_key_delete): Add
11526 "__attribute__ ((__unused__))" to unused arguments.
11527 (__gthread_recursive_mutex_init_function): Add missing return.
11528 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11529 gthr-posix95.h: Use macro-based approach for name redirection
11530 on targets missing weakref.
11532 2006-01-26 Zack Weinberg <zackw@panix.com>
11534 * genconditions.c (write_header): In generated code, #ifdef out
11535 all includes and fake declarations, except includes of bconfig.h
11536 and system.h, unless GCC_VERSION >= 3001. Do not include
11537 gensupport.h in any case.
11538 (write_conditions): Generate a definition of struct c_test. Add
11539 a comment to the generated #endif.
11540 (write_one_condition): Escape backslashes in string too.
11541 (write_writer): Generated code must escape backslashes and quote
11542 marks (but not newlines) in the strings it writes.
11543 * Makefile.in (build/gencondmd.o): Update dependencies.
11545 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11548 * Makefile.in (insn-automata.o): Add header file dependencies.
11549 * genautomata.c: Add includes.
11551 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11554 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11556 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11558 * configure.ac: Expect target tools paths to be passed from the toplevel
11559 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11561 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11563 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11566 * c.opt (Wpointer-sign): Init to -1.
11567 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11568 OPT_pedantic, to 0 otherwise.
11569 * doc/invoke.texi: Update.
11571 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11573 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11574 constants provided by 80387 instructions in the destination mode.
11576 2006-01-26 Richard Guenther <rguenther@suse.de>
11577 Andrew Pinski <pinskia@physics.uc.edu>
11580 partial PR tree-opt/17064
11581 * tree-ssa-structalias.c (intra_create_variable_infos):
11582 Create heap variables for incoming parameters if
11583 flag_argument_noalias > 1.
11584 (find_what_p_points_to): Look through default defs of
11587 2006-01-26 Jeff Law <law@redhat.com>
11590 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11591 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11592 within the VR_RANGE, use the VR_RANGE as the result, not the
11594 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11595 bounds for the type.
11597 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11599 * tree-ssa-alias.c (maybe_create_global_var): Change
11600 subvar walking to an assertion that we don't have subvar'd variables.
11602 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11605 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11606 Use a new variable, inner. PARM_DECLs are always non-weak.
11608 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11610 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11611 --disable-checking.
11613 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11615 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11617 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11619 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11620 (smax_insn, smin_insn, smax_0, smin_0): New.
11622 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11625 * config/cris/cris.c (cris_order_for_addsi3): New function.
11626 * config/cris/cris-protos.h: Prototype it.
11627 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11628 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11629 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11630 (split for "op.S1 [rx=rx+i],ry (swapped)")
11631 (split for "op(s|u).S1 [rx=rx+i],ry")
11632 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11633 Apply cris_order_for_addsi3 when generating addsi3 insns.
11635 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11637 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11638 (TREE_BLOCK): Add call to EXPR_CHECK.
11640 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11643 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11644 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11645 (dump_omp_clauses): ... here.
11646 (dump_generic_node): Handle OMP_CLAUSE.
11647 * tree.c (omp_clause_num_ops): New.
11648 (omp_clause_code_name): New.
11649 (tree_code_size): Handle OMP_CLAUSE.
11650 (tree_size): Likewise.
11651 (make_node): Document handling of OMP_CLAUSE.
11652 (tree_node_structure): Handle OMP_CLAUSE.
11653 (omp_clause_check_failed): New.
11654 (omp_clause_range_check_failed): New.
11655 (omp_clause_operand_check_failed): New.
11656 (build_omp_clause): New.
11657 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11658 * tree.h (enum omp_clause_code): Declare.
11659 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11660 (OMP_CLAUSE_RANGE_CHECK): Define.
11661 (OMP_CLAUSE_ELT_CHECK): Define.
11662 (omp_clause_check_failed): Declare.
11663 (omp_clause_operand_check_failed): Declare.
11664 (omp_clause_range_check_failed): Declare.
11665 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11666 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11667 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11668 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11669 (OMP_CLAUSE_IF_EXPR): Likewise.
11670 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11671 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11672 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11673 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11674 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11675 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11676 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11677 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11678 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11679 (OMP_CLAUSE_CODE): Define.
11680 (OMP_CLAUSE_SET_CODE): Define.
11681 (OMP_CLAUSE_CODE): Define.
11682 (OMP_CLAUSE_OPERAND): Define.
11683 (struct tree_omp_clause): Declare.
11684 (union tree_node): Add field 'omp_clause'.
11685 * treestruct.def (TS_OMP_CLAUSE): Define.
11686 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11687 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11688 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11689 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11690 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11691 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11692 (OMP_CLAUSE): Define.
11693 * print-tree.c (print_node): Handle OMP_CLAUSE.
11694 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11695 * c-typeck.c: Likewise.
11696 * gimplify.c: Likewise.
11697 * c-omp.c: Likewise.
11698 * tree-nested.c: Likewise.
11699 * tree-inline.c: Likewise.
11700 * c-parser.c: Likewise.
11701 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11704 2006-01-25 Roger Sayle <roger@eyesopen.com>
11706 PR rtl-optimization/25703
11707 * combine.c (try_combine): Handle zero_extract and strict_low_part
11708 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11710 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11712 * global.c: Fix comment typos.
11714 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11717 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11718 Use output_addr_const instead of assemble_name.
11720 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11722 * Makefile.in (sched-vis.o): Update dependencies.
11723 * haifa-sched.c (sched_finish): Clear current_sched_info.
11724 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11725 (dump_flow_info): Call it.
11726 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11728 * basic-block.h (dump_bb_info): Declare.
11729 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11730 option, and apply options only for dump files whose TDF_RTL,
11731 TDF_TREE, or TDF_IPA bits match.
11732 * rtl.h: Declare new functions exported from sched-vis.c.
11733 * sched-vis.c: Enable also if scheduling is not used.
11734 (print_value): Print the mode of registers if not inside scheduling.
11735 (print_insn): Make it work outside the scheduler. Beautify the output
11737 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11739 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11741 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11742 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11743 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11744 depending on the value of CONSTANT_POOL_ADDRESS_P.
11745 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11747 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11748 rather than SYMBOL_REF_DECL.
11749 (rtx_constant_pool): Remove const_rtx_sym_htab.
11750 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11751 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11752 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11753 Remove handling of const_rtx_sym_htab.
11754 (find_pool_constant): Delete.
11755 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11756 rather than find_pool_constant.
11757 (get_pool_constant_for_function): Delete.
11758 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11759 find_pool_constant.
11760 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11761 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11762 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11763 (SYMBOL_REF_CONSTANT): New macro.
11764 (get_pool_constant_for_function): Delete.
11765 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11766 rather than SYMBOL_REF_DECL.
11767 (i386_pe_mark_dllimport): Likewise.
11768 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11769 rather than SYMBOL_REF_DECL.
11770 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11771 (machopic_indirect_call_target): Likewise.
11773 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11775 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11777 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11779 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11781 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11783 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11785 2006-01-24 David Daney <ddaney@avtrex.com>
11788 * configure.ac (enable_tls): New enable option.
11789 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11790 * configure: Regenerate.
11791 * doc/install.texi (--enable-tls): Document new option.
11792 (--disable-tls): Ditto.
11794 2006-01-24 Richard Henderson <rth@redehat.com>
11796 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11797 * alias.c (true_dependence): Respect it.
11798 (canon_true_dependence, write_dependence_p): Likewise.
11799 * builtins.c (get_builtin_sync_mem): Set it.
11801 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11803 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11806 2006-01-24 DJ Delorie <dj@redhat.com>
11808 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11809 for storing constants in single-bit bitfields.
11811 2006-01-25 Ben Elliston <bje@au.ibm.com>
11813 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11815 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11818 * tree-ssa-pre.c (phi_translate): Return NULL
11819 for AGGREGATE_TYPE's.
11821 2006-01-24 Zack Weinberg <zackw@panix.com>
11823 * genautomata.c (process_state_for_insn_equiv_partition):
11824 Use xcalloc for insn_arcs_array.
11825 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11826 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11828 2006-01-24 Richard Henderson <rth@redhat.com>
11830 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11831 update all callers.
11833 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11835 PR rtl-optimization/25890
11836 PR rtl-optimization/25905
11837 * combine.c (expand_compound_operation, expand_field_assignment):
11838 Fail if the bitfield's final position is out of bounds.
11840 2006-01-24 Ian Lance Taylor <ian@airs.com>
11842 PR middle-end/25930
11843 * cgraphunit.c (cgraph_output_in_order): Don't clear
11844 cgraph_asm_nodes until after asm strings have been output.
11846 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11848 * fix-header.c (read_scan_file): Add new parameter imultilib when
11849 calling register_include_chains.
11851 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11853 * omp-low.c: Update documentation.
11855 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11856 Daniel Berlin <dberlin@dberlin.org>
11860 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11861 return from the function.
11863 2006-01-22 Zack Weinberg <zackw@panix.com>
11865 * rtl.def (match_code): Add second argument.
11866 * genpreds.c (write_extract_subexp): New function.
11867 (write_match_code): Add path argument. Use write_extract_subexp.
11868 (write_predicate_expr): Pass path to write_match_code.
11869 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11870 not perform a mode test.
11871 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11872 a subexpression does not constrain the top-level code set.
11873 * read-rtl.c (read_rtx_variadic): New function.
11874 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11875 * doc/md.texi: Document new notation.
11876 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11877 (cmpsi_operand): ... here, using new notation.
11879 2006-01-22 Zack Weinberg <zackw@panix.com>
11881 * varray.c: Remove GENERATOR_FILE #ifdefs.
11883 2006-01-22 Zack Weinberg <zackw@panix.com>
11885 * genautomata.c (output_reserved_units_table): Emit nothing if
11886 description->query_units_num is zero. Remove extra blank line.
11887 (output_cpu_unit_reservation_p): Short circuit
11888 if description->query_units_num is zero.
11890 2006-01-22 Zack Weinberg <zackw@panix.com>
11892 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11893 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11894 nor any of the random handful of variables that used to be necessary
11895 when this program was linked with rtlanal.o. Prune set of forward
11896 function declarations.
11897 (struct attr_desc): Remove static_p field.
11898 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11899 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11900 (attr_string): Do not read the character one past the length of
11902 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11903 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11904 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11905 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11906 (make_automaton_attrs): New.
11907 (main): Do not call into genautomata. Call local gen_bypass
11908 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11909 Remove special case for insn_alts.
11910 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11911 varray.h (leftover from previous change). Prune set of forward
11912 function declarations. Remove state_alts fields from all
11913 structures. Remove state_alts_table from struct automaton.
11914 Make everything except main static. Do not maintain num_dfa_decls.
11915 Do not maintain state_alts fields of various structures.
11916 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11917 (add_arc): Remove state_alts argument. All callers updated.
11918 (output_reserved_units_table): Emit #ifdef here...
11919 (output_tables): ...not here. Don't generate state_alts tables.
11920 (expand_automata): Don't generate attributes.
11921 (write_automata): Don't generate state_alts functions.
11922 (main): New function.
11923 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11924 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11925 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11926 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11927 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11928 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11929 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11930 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11932 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11933 * genattrtab.h: Delete file.
11934 * Makefile.in (OBJS-common): Add insn-automata.o.
11935 (insn-automata.o): New rule.
11936 (simple_generated_c): Add insn-automata.c.
11937 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11938 (genprogmd): Add automata.
11939 (build/genattrtab): Needs no extra objects nor libraries.
11940 (build/genautomata): Needs build/vec.o and -lm.
11942 2006-01-22 Zack Weinberg <zackw@panix.com>
11944 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11945 (output_dfa_max_issue_rate, locked_states_num): Delete.
11946 (struct automaton): Add locked_states field.
11947 (output_dead_lock_vect): Save number of locked states in
11948 automaton->locked_states. If it is zero, don't print anything.
11949 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11950 (output_internal_dead_lock_func): Only test the dead_lock_vect
11951 for automata that have locked states.
11952 (output_statistics): Always print the number of locked states for
11953 each automaton. Calculate total number of locked states here.
11954 (write_automata): Don't call output_dfa_max_issue_rate.
11955 * genattrtab.c: Define length_unit_log as a const variable.
11956 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11957 max_insn_queue_index const.
11958 * final.c (length_unit_log): Declare const.
11959 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11961 2006-01-22 Zack Weinberg <zackw@panix.com>
11963 * genautomata.c: Include vec.h, not varray.h.
11964 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11965 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11966 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11967 VEC_* macros operating on appropriately typed vectors, or to
11968 malloced arrays when the size is known in advance. Const-ify
11969 many char* variables and function arguments. No functional changes.
11970 * Makefile.in (build/varray.o): Delete rule.
11971 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11972 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11974 2006-01-22 Zack Weinberg <zackw@panix.com>
11976 * gensupport.c: Define get_insn_name and record_insn_name here.
11977 (read_md_rtx): Call record_insn_name as appropriate.
11978 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11979 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11980 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11982 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11983 (BUILD_VARRAY): Delete.
11984 (genprognormal): Rename genprogmd. Fold in all programs from
11985 genprognoprint; also attrtab.
11986 (build/genattrtab): Just mention genautomata.o and varray.o.
11987 Reorganize a bit, add comments to make the categories clearer.
11989 2006-01-22 Zack Weinberg <zackw@panix.com>
11991 * genconditions.c (condition_table, add_condition): Delete.
11992 (write_conditions): Don't emit n_insn_conditions nor
11993 insn_elision_unavailable. Issue the gcc version #ifdef here,
11994 inside the table, with no #else clause ...
11995 (write_header): ...not here.
11996 (write_writer): New function.
11997 (main): Don't initialize condition_table. Use add_c_test.
11999 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12000 files on the command line.
12001 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12002 Return -1 if there is no entry in the table, don't abort.
12003 (add_c_test, traverse_c_tests): New functions.
12004 * gensupport.h (insn_elision_unavailable, insn_conditions)
12005 (n_insn_conditions): Delete declarations.
12006 (add_c_test, traverse_c_tests): Declare.
12007 * read-rtl.c: Include gensupport.h.
12008 (read_conditions): New function.
12009 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12010 (read_rtx_1): If we get EOF when we were looking for an initial
12011 open paren, return 0. Call read_conditions when appropriate.
12012 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12013 dummy-conditions.o. Eliminate references to insn-conditions.o,
12014 or change them to build/gencondmd.o, as appropriate. Remove
12015 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12016 from $(simple_generated_c). For all files remaining in those
12017 two lists, add insn-conditions.md to the generator command line.
12018 Give insn-constants.h/s-constants their own rules. Add rules
12019 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12020 (build/read-rtl.o): Depend on gensupport.h.
12021 (genprognormal): Include preds.
12022 (genprogearly): Rename genprognoprint; only difference is now that
12023 they don't link with $(BUILD_PRINT).
12024 * dummy-conditions.c: Delete.
12026 2006-01-22 Zack Weinberg <zackw@panix.com>
12028 * genextract.c: Don't include insn-config.h. Do include vec.h.
12029 Declare vectors of int, char, and locstr.
12030 (locstr): New typedef.
12031 (struct extraction): Make all array fields into bare pointers.
12032 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12033 (insn_code_number): Delete.
12034 (accum_extract): New struct.
12035 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12036 (gen_insn): Take insn_code_number as an argument. Use an
12037 accum_extract structure instead of loading data directly into
12038 a struct extraction, and having to know how big it might get.
12039 (walk_rtx): Operate entirely on an accum_extract structure.
12040 (print_path): Avoid unnecessary use of printf.
12041 (print_header): New function, split out of main. Distinguish
12042 more carefully between an unrecognizable insn and an insn that
12043 has the code number of a define_expand.
12044 (main): Pass insn_code_number to gen_insn. Call print_header
12045 only after parsing. Avoid unnecessary use of printf.
12046 * Makefile.in (build/vec.o): New rule.
12047 (build/genextract): Depend on build/vec.o.
12048 (build/genextract.o): Don't depend on insn-config.h.
12050 2006-01-22 Zack Weinberg <zackw@panix.com>
12052 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12053 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12054 practical. Eliminate per-generator-program link rules.
12056 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12058 PR middle-end/24437
12059 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12060 with a call expr to ...
12061 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12063 2006-01-23 Richard Guenther <rguenther@suse.de>
12065 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12066 before make_edge with conditional EDGE_TRUE_VALUE.
12068 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12069 Jan Hubicka <jh@suse.cz>
12070 Richard Guenther <rguenther@suse.de>
12072 PR rtl-optimization/25654
12073 * cfgexpand.c (aggregate_contains_union_type): New function.
12074 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12075 for structure variables that contain a union type.
12077 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12079 * gengtype.c (new_structure): Return the structure.
12080 (create_option): Add an extra "next" argument.
12081 (create_field): New function.
12082 (adjust_field_rtx_def): Use create_option and create_field.
12083 Remove a now-unnecessary call to find_structure.
12084 (adjust_field_tree_def): Likewise.
12085 (note_yacc_type): Remove an unnecessary call to find_structure.
12086 * gengtype.h (new_structure): Return the structure.
12087 (create_option): Add an extra argument.
12088 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12089 (option): Adjust calls to create_option.
12091 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12093 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12095 2006-01-22 Paul Brook <paul@codesourcery.com>
12096 Peter Barada <peter@the-baradas.com>
12098 * config/m68k/m68k.md: Add Coldfire FPU support.
12099 Define FP mode macro and associated attributes.
12100 Use it for float mode patterns.
12101 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12102 (LIBCALL_VALUE): Use m68k_libcall_value.
12103 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12104 (m68k_function_value): Ditto.
12105 (emit_move_sequence): Ditto.
12106 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12107 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12108 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12109 (MULTILIB_EXCEPTIONS): Ditto.
12110 * config/m68k/m68k.opt: Add mcfv4e.
12111 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12112 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12113 (m68k_output_function_prologue): Save ColdFire FPU registers.
12114 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12115 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12116 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12117 ColdFire FPU registers.
12118 (m68k_libcall_value, m68k_function_value): New functions.
12119 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12120 (LIBCALL_VALUE): Use m68k_libcall_value.
12121 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12122 (MASK_COLDFIRE): Add MASK_CFV4E.
12123 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12124 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12125 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12126 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12127 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12128 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12129 * doc/invoke.tex: Document -mcfv4e on m68k.
12131 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12133 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12136 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12139 * c-opts.c (c_common_handle_option): Don't include
12140 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12141 * doc/invoke.texi (C++ Dialect Options): Document that
12142 -Wnon-virtual-dtor is no longer included in -Wall.
12144 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12146 * gcov.c (print_version), gcov-dump.c (print_version),
12147 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12150 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12152 * df-scan.c (problem_SCAN): Added NULL reset function.
12153 (df_scan_reset_blocks): Added code to call reset block function
12154 (df_bb_refs_delete) Fixed comment.
12155 (df_insn_refs_delete): Made tolerant of deleting non existent info
12156 for dataflow problems that need to be reset.
12157 * df-core.c (df_set_blocks): Ditto.
12158 * df.h (struct df_problem): Added reset_fun.
12159 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12160 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12161 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12162 functions to clear out all references to def-use or use-def chains.
12164 2006-01-21 Ben Elliston <bje@au.ibm.com>
12166 * varasm.c (assemble_real): Initialise data array.
12168 2006-01-20 Paul Brook <paul@codesourcery.com>
12170 Merge from csl-arm-branch.
12171 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12172 * config/arm/arm.md (movdi): Force operands[1] to a register
12173 if we have a non-register source.
12174 (*arm_movdi, *movdf_soft_insn): Require that one of the
12175 operands be a register.
12176 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12177 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12179 2006-01-20 DJ Delorie <dj@redhat.com>
12181 * varasm.c (initializer_constant_valid_p): Allow pointers
12182 initialized from integer constants of lesser precision.
12183 (output_constant): Allow non-int-sized pointer modes to be
12184 initialized from integer constants.
12186 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12189 * cppdefault.h (struct default_include): Add multilib flag.
12190 * cppdefault.c (cpp_include_defaults): Set it.
12191 * c.opt (-imultilib): New option.
12192 * c-opts.c (imultilib): New.
12193 (c_common_handle_option): Handle -imultilib.
12194 (c_common_post_options): Likewise.
12195 * c-incpath.c (add_standard_paths, register_include_chains):
12197 * c-incpath.h (register_include_chains): Add extra parameter.
12198 * gcc.c (do_spec_1): Generate -imultilib option.
12199 (The Specs Language): Update %I description.
12200 (process_command): Update copyright notice.
12201 * doc/cppopts.texi (-imultilib): Document.
12202 * doc/invoke.texi (-imultilib): Include in option summary.
12203 (%I): Update specs documentation.
12205 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12207 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12209 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12211 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12214 2006-01-20 Richard Guenther <rguenther@suse.de>
12215 Steven Bosscher <stevenb.gcc@gmail.com>
12217 PR rtl-optimization/24626
12218 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12219 EDGE_TRUE_VALUE if in RTL mode.
12222 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12223 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12225 2006-01-20 Dirk Mueller <dmueller@suse.com>
12228 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12229 instead of a special NOP marker.
12230 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12231 NOP marker handling.
12232 * c-common.h (empty_body_warning): Add forward declaration.
12233 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12234 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12236 2006-01-20 Paul Brook <paul@codesourcery.com>
12238 * Makefile.in (lang_checks): Keep going if mkdir fails.
12240 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12242 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12243 be able to clean out basic block when not necessary.
12244 (df_scan_free): Fixed to properly delete information if df is
12245 unused before calling df_finish.
12246 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12247 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12249 (df_bb_refs_delete): New function.
12250 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12251 * df-core.c (df_set_blocks): Added code to properly clean out
12252 unused blocks if they are not part of the blocks to consider.
12253 Added additional null check.
12254 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12255 be able to clean out basic block when not necessary
12256 * df.h (df_free_bb_function): Ditto.
12257 (df_bb_refs_delete): New function.
12258 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12259 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12260 basic block parameter to be able to clean out basic block when not
12262 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12263 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12264 Fixed to properly delete information if df is unused before
12267 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12269 PR rtl-optimization/25799
12270 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12271 Corrected confluence operator to remove bits from op2 before oring
12272 with op1 rather than removing bits from op1.
12273 (df_ru_transfer_function): Corrected test on wrong bitmap which
12274 caused infinite loop. Both of these problems were introduced in
12275 the dataflow rewrite.
12277 2006-01-19 DJ Delorie <dj@redhat.com>
12279 * reload1.c (find_reload_regs): Note the details of reload
12280 failures in the dump file.
12281 (spill_failure): Likewise.
12283 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12285 * loop-iv.c: Include df.h and hashtab.h.
12286 (enum iv_grd_result): New enum.
12287 (DF_REF_IV, DF_REF_IV_SET): New macros.
12288 (struct biv_entry): New.
12289 (df, bivs): New global variables.
12290 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12291 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12293 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12294 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12295 analyzed_for_bivness_p, record_biv): New functions.
12296 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12297 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12298 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12300 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12302 (iv_number_of_iterations): Use new interface to iv analysis.
12303 * loop-unroll.c: Do not include varray.h.
12304 (analyze_iv_to_split_insn): Use new interface to iv
12306 * loop-unswitch.c (may_unswitch_on): Ditto.
12307 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12309 (df_bb_modify): Realloc tables to the new index.
12310 (df_find_use): New function.
12311 * df.h (df_find_use): Declare.
12312 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12314 * cfgloop.h (struct rtx_iv): Remove analysed field.
12315 (iv_get_reaching_def): Removed.
12316 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12317 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12318 (loop-iv.o): Add df.h and hashtab.h dependency.
12319 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12321 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12324 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12326 (__floatundisf, __floatundidf): Likewise.
12327 * libgcc2.h (IS_IBM_EXTENDED): Define.
12329 2006-01-19 DJ Delorie <dj@redhat.com>
12331 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12333 2006-01-19 Paul Brook <paul@codesourcery.com>
12335 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12336 as nothrow when unwinding tables are disabled.
12338 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12341 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12342 of bit-field" when in system header.
12344 2006-01-19 DJ Delorie <dj@redhat.com>
12346 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12347 the 16 bit shift limit of the m16c.
12349 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12352 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12353 * config/i386/i386.c (output_set_got): Output the label if we have one
12354 for the TARGET_DEEP_BRANCH_PREDICTION case.
12356 2006-01-19 Jan Hubicka <jh@suse.cz>
12357 H.J. Lu <hongjiu.lu@intel.com>
12358 Evandro Menezes <evandro.menezes@amd.com>
12360 * invoke.texi (generic): Document
12362 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12363 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12364 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12365 (x86_use_incdec, x86_pad_returns): New variables
12366 (TARGET_CPU_DEFAULT_generic): New constant
12367 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12368 (enum processor_type): Add generic32 and generic64.
12369 * i386.md (cpu attribute): Add generic32/generic64
12370 (movhi splitter): Behave sanely when both partial_reg_dependency and
12371 partial_reg_stall are set.
12372 (K8 splitters): Enable for generic as well.
12373 * predicates.md (incdec_operand): Use TARGET_INCDEC
12374 (aligned_operand): Avoid memory mismatch stalls.
12375 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12376 * ppro.md: Enable for generic32
12377 * i386.c (generic64_cost, generic32_cost): New.
12378 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12379 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12380 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12381 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12382 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12383 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12384 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12385 x86_accumulate_outgoing_args, x86_prologue_using_move,
12386 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12387 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12388 Enable for generic.
12389 (x86_use_incdec, x86_pad_returns): New.
12390 (override_options): Add generic32 and generic64, translate "generic"
12391 to generic32/generic64 and "i686" to "generic32", refuse
12392 "generic32"/"generic64" as arch target.
12393 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12394 (ix86_reorg): Honor PAD_RETURNS.
12396 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12398 * tree-pretty-print.c (dump_generic_node): Handle
12399 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12400 * cgraph.c (cgraph_expand_queue): Rename from
12401 cgraph_analyze_queue. Update all users.
12402 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12403 cgraph_expand_queue.
12404 (cgraph_expand_all_functions): Likewise.
12405 (cgraph_finalize_pending_functions): Remove. Update callers.
12407 * tree.h (OMP_DIRECTIVE_P): Define.
12408 (OMP_PARALLEL_FN): Define.
12409 (OMP_PARALLEL_DATA_ARG): Define.
12410 (OMP_SECTIONS_SECTIONS): Define.
12411 * tree-pass.h (pass_expand_omp): Declare.
12412 * omp-low.c (struct omp_region): Declare.
12413 (struct omp_context): Remove fields 'parallel_type',
12414 'parallel_start_ix' and 'parallel_start_additional_args'.
12416 (struct omp_for_data): Rename from struct expand_omp_for_data.
12417 (omp_regions): New static variable.
12418 (root_omp_region): New static variable.
12419 (find_omp_clause): Make static.
12420 (is_in_combined_parallel_ctx): Remove.
12421 (is_combined_parallel): New.
12422 (extract_omp_for_data): Move earlier in the file.
12423 (workshare_safe_to_combine_p): New.
12424 (get_ws_args_for): New.
12425 (determine_parallel_type): Move earlier in the file.
12426 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12428 (omp_copy_decl): Likewise.
12429 (create_omp_child_function): Likewise.
12430 (lookup_omp_region): New.
12431 (dump_omp_region): New.
12432 (debug_omp_region): New.
12433 (debug_all_omp_regions): New.
12434 (new_omp_region): New.
12435 (scan_omp_parallel): If parallel_nesting_level > 1, the
12436 directive is nested within another parallel directive.
12437 Set OMP_PARALLEL_FN.
12438 (scan_omp_for): Do not try to handle combined parallel+for
12440 Remove FIXME comment.
12441 (scan_omp_nested): Remove.
12442 (scan_omp_1): Do not call scan_omp_nested when
12443 parallel_nesting_level is > 1.
12444 Do not change the DECL_CONTEXT of local variables found.
12445 (lookup_decl_in_outer_ctx): New.
12446 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12447 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12448 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12449 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12450 If CTX is nested, lookup VAR in the outer context when
12451 building copy assignment.
12452 (lower_send_clauses): Rename from expand_send_clauses.
12453 If CTX is nested, lookup VAR in the outer context when
12454 building copy assignments.
12455 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12456 If CTX is nested, lookup VAR in the outer context when
12457 building copy assignments.
12458 (expand_parallel_call): Rename from build_parallel_call.
12459 Handle combined parallel+workshare cases.
12460 Re-implement to emit code into the CFG.
12462 (expand_omp_parallel): Re-implement to emit code into the CFG.
12463 Call move_sese_region_to_fn to outline the sub-graph
12464 containing the parallel region.
12465 (expand_omp_for_1): Remove.
12466 (expand_omp_for_generic): Re-implement to emit code into the
12468 (expand_omp_for_static_nochunk): Likewise.
12469 (expand_omp_for_static_chunk): Likewise.
12470 (expand_omp_for): Likewise.
12471 (expand_omp_sections): Likewise.
12472 (remove_exit_barriers): New.
12473 (expand_omp_synch): New.
12475 (build_omp_regions_1): New.
12476 (build_omp_regions): New.
12477 (execute_expand_omp): New.
12478 (gate_expand_omp): New.
12479 (pass_expand_omp): Define.
12480 (lower_omp_sections): Rename from expand_omp_sections.
12481 Set OMP_SECTIONS_SECTIONS.
12482 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12483 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12484 (lower_omp_single): Rename from expand_omp_simple.
12485 (lower_omp_master): Rename from expand_omp_master.
12486 (lower_omp_ordered): Rename from expand_omp_ordered.
12487 (lower_omp_critical): Rename from expand_omp_critical.
12488 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12489 (lower_omp_for): Re-implement.
12490 (lower_omp_parallel): Re-implement.
12491 (lower_regimplify): Rename from expand_regimplify.
12492 (lower_omp_1): Rename from expand_omp_1.
12493 If there are syntax errors in the program, replace every
12494 OpenMP directive with NOP.
12495 Call lower_omp_* instead of expand_omp_*.
12496 (lower_omp): Rename from expand_omp.
12498 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12499 * tree-gimple.h (enum omp_parallel_type): Remove.
12500 (gimple_boolify): Declare extern.
12501 (find_omp_clause, determine_parallel_type): Remove.
12503 * gimple-low.c (lower_omp_directive): New.
12504 (lower_stmt): Call it.
12505 (record_vars_into): Move from ...
12506 (record_vars): ... here.
12507 Call record_vars_into with current_function_decl.
12509 * gimplify.c (struct gimplify_ctx): Remove fields
12510 combined_pre_p and combined_ctxp. Update users.
12511 (get_formal_tmp_var): Add documentation.
12512 (gimple_boolify): Make extern.
12513 (gimplify_expr_in_ctx): Remove. Update callers.
12514 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12515 will always be a BIND_EXPR.
12516 (gimplify_expr): Handle OMP_RETURN_EXPR.
12517 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12518 (OMP_PARALLEL): Add 3 operands.
12519 (OMP_SECTIONS): Add 1 operand.
12520 (OMP_RETURN_EXPR): Define.
12522 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12523 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12524 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12525 creating a circular free list.
12526 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12528 * tree-flow.h (move_sese_region_to_fn): Declare.
12529 (record_vars_into): Declare.
12530 * tree-cfg.c (make_omp_sections_edges): New.
12531 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12532 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12533 OMP_SECTIONS and OMP_SECTION.
12534 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12535 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12536 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12537 (gather_blocks_in_sese_region): New.
12538 (struct move_stmt_d): Declare.
12539 (move_stmt_r): New.
12540 (move_block_to_fn): New.
12541 (move_sese_region_to_fn): New.
12543 * passes.c (init_optimization_passes): Schedule
12544 pass_expand_omp after pass_init_datastructures.
12546 * tree-ssa-operands.c (get_expr_operands): Handle
12547 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12548 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12550 2006-01-19 Jeff Law <law@redhat.com>
12552 * tree-vrp.c (extract_range_from_assert): Refine the result range
12553 if the variable referenced by the ASSERT_EXPR has a range and
12554 either the tentative result range or the previous range is a
12557 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12559 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12561 2006-01-19 Jan Hubicka <jh@suse.cz>
12563 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12565 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12567 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12568 (expand_compound_operation, expand_field_assignment): Fail if the
12569 bit lengths of an extract operation are out of range.
12570 (make_extraction): Compute wanted_inner_mode based on the position
12571 and length of the extraction. Make it extraction_mode for non-constant
12572 positions, and do not modify offset in that case. When generating a
12573 new MEM, use a mode that can hold the extraction while keeping correct
12574 alignment. Remove code that supported MEMs wrapped by USEs.
12575 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12577 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12579 * config/s390/s390.md ("Y", "y"): New mode attribute.
12580 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12581 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12582 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12583 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12584 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12585 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12586 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12587 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12588 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12589 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12590 "addsi3", "subsi3"): Insn patterns removed.
12591 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12592 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12593 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12594 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12595 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12596 "*sub<mode>3_cconly2"): New insn patterns.
12597 ("addsi3", "subsi3"): New expanders.
12599 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12601 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12602 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12603 existing STMT_VINFO_VECTYPE if available.
12604 (vect_mark_relevant): Add special handling for stmts that are
12605 marked as STMT_VINFO_IN_PATTERN_P.
12606 (vect_analyze_loop): Call vect_pattern_recog.
12607 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12608 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12610 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12611 (vect_recog_func_ptr): New function-pointer type.
12612 * tree-vect-patterns.c: New file.
12613 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12614 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12615 (vect_pattern_recog_1): New functions.
12616 (vect_pattern_recog_funcs): New array of function pointers.
12618 * tree-vectorizer.h (ternary_op): New enum value.
12619 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12620 declaration. Revised documentation. Removed redundant dump prints.
12621 Removed redundant argument. Added support for reduction patterns.
12622 (vectorizable_reduction): Added support for reduction patterns.
12623 (vect_transform_stmt): Added support for patterns.
12625 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12626 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12627 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12628 (expand_widen_pattern_expr): New function.
12629 (init_optabs): Initialize new optabs udot_prod_optab,
12631 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12632 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12633 (expand_widen_pattern_expr): New function declaration.
12634 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12636 * tree-inline.c (estimate_num_insns_1): Added cases for new
12637 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12638 * tree-pretty-print.c (dump_generic_node): Likewise.
12639 (op_prio): Likewise.
12640 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12641 * tree-ssa-operands.c (get_expr_operands): Added case for
12643 * tree-vect-patterns.c (widened_name_p): New function.
12644 (vect_recog_dot_prod_pattern): Added function implementation.
12645 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12646 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12647 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12648 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12650 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12651 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12652 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12653 (init_optabs): Initialize new optabs widen_ssum_optab,
12655 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12656 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12657 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12658 use instead of type of def.
12659 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12660 function implementation.
12661 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12662 widen_ssumv8hi): New.
12664 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12667 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12670 * c-decl.c (add_flexible_array_elts_to_size): New function.
12671 (finish_decl): Use it.
12673 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12675 * diagnostic.h: Include options.h.
12676 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12677 dependancies for diagnostic.h.
12678 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12680 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12682 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12683 (ssa_ro_call_cache_valid): Ditto.
12684 * tree-ssa-alias.c (sort_tags_by_id): New function.
12685 (init_transitive_clobber_worklist): Ditto.
12686 (add_to_worklist): Ditto.
12687 (mark_aliases_call_clobbered): Ditto.
12688 (compute_tag_properties): Ditto.
12689 (set_initial_properties): Ditto.
12690 (compute_call_clobbered): Ditto.
12691 (compute_may_aliases): Call compute_call_clobbered and grouping.
12692 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12693 (compute_flow_insensitive_aliasing): Grouping now happens in our
12695 (setup_pointers_and_addressables): Remove clobbering related code.
12696 (add_may_alias): Ditto.
12697 (replace_may_alias): Ditto.
12698 (get_nmt_for): Ditto.
12699 (create_global_var):
12700 (is_escape_site): Return an escape_type enumeration.
12701 * tree-flow-inline.h (is_call_clobbered): Global var does not
12702 imply call clobbered.
12703 (mark_call_clobbered): Take a reason for marking this. Remove
12704 marking of globalness, and cache invalidation.
12705 (clear_call_clobbered): Remove cache invalidation code.
12706 * tree-dfa.c (dump_variable): If details is on, dump the reason
12708 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12710 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12711 (struct var_ann_d): Ditto.
12712 (enum escape_type): New.
12713 (mark_call_clobbered): Adjust prototype.
12714 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12715 are never call clobbered.
12716 Record reasons for escaping.
12717 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12718 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12719 (ssa_ro_call_cache_valid): Ditto.
12720 (clobbered_v_may_defs): Ditto.
12721 (clobbered_vuses): Ditto.
12722 (ro_call_vuses): Ditto.
12723 (clobber_stats): New.
12724 (init_ssa_operands): Zero out clobber stats.
12725 (fini_ssa_operands): Print out clobber stats.
12726 (get_call_expr_operands): Pass callee fndecl to
12727 add_call_read_ops).
12728 (add_call_clobber_ops): Remove use of cache.
12729 Add use of PURE_CONST information.
12730 (add_call_read_ops): Remove use of cache.
12731 Add use of static not_read information.
12733 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12735 Introduce TLS descriptors for i386 and x86_64.
12736 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12737 (TARGET_ANY_GNU_TLS): New macro.
12738 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12739 (struct machine_function): Add tls_descriptor_call_expanded_p.
12740 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12741 (ix86_current_function_calls_tls_descriptor): Likewise.
12742 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12743 (override_options): Introduce gnu2 tls dialect.
12744 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12746 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12748 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12749 (ix86_init_machine_status): Initialize new field.
12750 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12751 (ix86_tls_module_base): New.
12752 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12753 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12754 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12755 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12756 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12757 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12758 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12759 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12760 * config/i386/predicates.md (tls_modbase_operand): New.
12761 (tp_or_register_operand): New.
12763 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12765 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12766 (look_for_address_of): Ditto.
12767 (ipa_init): Walk the function decls.
12768 (static_execute): Don't set readonly on FUNCTION_DECL's.
12770 2006-01-18 Roger Sayle <roger@eyesopen.com>
12772 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12773 for shifts where the source and destination registers are different.
12775 2006-01-18 Paul Brook <paul@codesourcery.com>
12777 Merge from csl-arm-branch.
12778 2005-03-14 Julian Brown <julian@codesourcery.com>
12779 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12780 (aeabi_llsl): Likewise.
12781 (ashrdi3): Likewise.
12782 (aeabi_lasr): Likewise.
12783 (lshrdi3): Likewise.
12784 (aeabi_llsr): Likewise.
12785 2005-03-10 Julian Brown <julian@codesourcery.com>
12786 * config.gcc: Disable shared libgcc for SymbianOS.
12787 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12789 2006-01-18 DJ Delorie <dj@redhat.com>
12791 * c-pragma.c (handle_pragma_diagnostic): New.
12792 (init_pragma): Register it.
12793 * doc/extend.texi: Document it.
12795 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12796 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12797 (diagnostic_context): Add classify_diagnostic[].
12798 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12799 as errors if they're overridden to DK_WARNING.
12800 (diagnostic_initialize): Initialize classify_diagnostic[].
12801 (diagnostic_set_kind_override): New.
12802 (diagnostic_report_diagnostic): Check for kind changes.
12803 * opts.c (common_handle_option): Take lang_mask. Update callers.
12804 Handle OPT_Werror_.
12805 * common.opt (Werror=): New.
12806 * doc/invoke.texi: Document -Werror=*
12808 2006-01-18 Jeff Law <law@redhat.com>
12810 * tree-vrp.c (test_for_singularity): Correct test for new
12811 min limit. Use operand_equal_p rather than pointer equality
12812 for testing if new min/max values are equal.
12814 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12815 using range information until after propagation and folding.
12817 2006-01-18 Richard Henderson <rth@redhat.com>
12818 Aldy Hernandez <aldyh@redhat.com>
12819 Jakub Jelinek <jakub@redhat.com>
12820 Diego Novillo <dnovillo@redhat.com>
12822 * omp-low.c: New file.
12823 * c-omp.c: New file.
12825 2006-01-18 Richard Henderson <rth@redhat.com>
12826 Jakub Jelinek <jakub@redhat.com>
12827 Diego Novillo <dnovillo@redhat.com>
12829 * doc/invoke.texi: Document -fopenmp.
12830 * tree-dump.h (debug_function): Declare.
12831 * hooks.c (hook_bool_tree_bool_false): New function.
12832 (hook_tree_tree_null): Remove.
12833 (hook_tree_tree_tree_null): New.
12834 * hooks.h: Update to match.
12835 * tree-pretty-print.c (debug_tree_chain): New.
12836 (print_generic_expr): Handle TDF_CHAIN.
12837 (dump_generic_node): Handle BLOCK.
12838 Do not abort with incomplete SWITCH_EXPRs.
12839 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12840 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12841 print space after directive name.
12842 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12843 Handle OMP_MASTER and OMP_ORDERED.
12844 Handle printing of OMP_BODY just in one place, goto
12845 dump_omp_body in the rest of OMP_* nodes that have
12847 Don't handle clause nodes here. Update omp statements to
12848 use dump_omp_clauses.
12849 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12850 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12851 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12852 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12853 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12854 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12855 Adjust output for GOMP_PARALLEL.
12856 (dump_omp_clauses): New.
12857 (print_declaration): Dump DECL_VALUE_EXPR.
12858 (op_symbol_1): Split out of op_symbol.
12859 (dumping_stmts): Remove. Update all users.
12860 * cgraph.c (cgraph_analyze_queue): New.
12861 (cgraph_add_new_function): New.
12862 * cgraph.h (cgraph_analyze_queue): Declare.
12863 (cgraph_add_new_function): Declare.
12864 (cgraph_lower_function): Remove.
12865 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12866 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12867 and TYPE_P nodes in its default clause.
12868 (empty_body_p): New.
12869 (tree_range_check_failed): New.
12870 (build5_stat): New.
12871 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12872 OMP_CLAUSE_REDUCTION_MERGE,
12873 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12874 OMP_CLAUSE_PRIVATE_DEBUG,
12875 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12876 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12877 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12878 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12879 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12880 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12881 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12882 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12883 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12884 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12885 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12886 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12887 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12888 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12889 (TREE_RANGE_CHECK): New.
12890 (empty_body_p): Declare.
12891 (enum omp_clause_default_kind): New.
12892 (build_string_literal): Declare.
12893 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12894 (build5_stat, build5): Declare.
12895 * tree-pass.h (TDF_CHAIN): Define.
12896 * tree-pass.h (PROP_gimple_lomp): Define.
12897 (pass_lower_omp): Declare.
12898 * diagnostic.h (debug_tree_chain): Declare.
12899 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12901 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12902 * builtins.c (build_string_literal): Make extern.
12903 * gcc.c (include_spec_function): New.
12904 (static_spec_functions): Add it.
12905 (main): Move load of libgomp.spec ...
12906 (LINK_COMMAND_SPEC): ... here.
12907 (link_gomp_spec): New.
12908 (static_specs): Include it.
12909 (LINK_COMMAND_SPEC): Add link_gomp.
12910 (GOMP_SELF_SPECS): New.
12911 (driver_self_specs): Include it.
12912 (switch_matches): Don't mark inline.
12913 (main): Load libgomp.spec.
12914 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12915 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12916 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12917 * tree-gimple.h (enum omp_parallel): Declare.
12918 (determine_parallel_type): Declare.
12919 (omp_firstprivatize_variable): Declare.
12920 (omp_reduction_init): Declare.
12921 (diagnose_omp_structured_block_errors): Declare.
12922 (struct walk_stmt_info): Add want_return_expr.
12923 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12924 (find_omp_clause): Declare.
12925 (insert_field_into_struct): Declare.
12926 (struct walk_stmt_info): Move from tree-nested.c
12927 (walk_stmts): Declare.
12928 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12930 * cgraphunit.c (cgraph_lower_function): Make static.
12931 (cgraph_finalize_pending_functions): New.
12932 (cgraph_finalize_function): Call it.
12933 (cgraph_finalize_compilation_unit): Likewise.
12934 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12935 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12936 (BT_FN_UINT_UINT): New.
12937 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12938 DEF_FUNCTION_TYPE_VAR_4): Document.
12939 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12940 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12941 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12942 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12943 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12944 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12945 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12946 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12947 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12948 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12949 into separate files.
12950 (DEF_GOMP_BUILTIN): New.
12951 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12952 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12953 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12954 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12955 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12956 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12957 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12958 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12959 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12960 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12961 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12962 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12963 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12964 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12965 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12966 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12967 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12968 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12969 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12970 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12971 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12972 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12973 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12974 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12975 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12976 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12977 * sync-builtins.def: New file, moved from builtins.def.
12978 * omp-builtins.def: New file, moved from builtins.def.
12979 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12980 * gimple-low.c (lower_function_body): Clear data.
12981 (lower_stmt): Do not handle COMPOUND_EXPR.
12982 Remove call to print_node_brief.
12983 * c-tree.h (c_finish_omp_clauses): New prototype.
12984 (C_DECL_THREADPRIVATE_P): Define.
12985 (lookup_name_no_remap, c_omp_remap_private): Remove
12986 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12987 (check_for_loop_decls): Update decl.
12988 (lookup_name_no_remap, c_omp_remap_private): Declare.
12989 (build_indirect_ref, build_modify_expr, pushdecl,
12990 pushdecl_top_level): Move to c-common.h.
12991 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12992 before the switch, but just in the 2 places that need it.
12993 * c-decl.c (diagnose_mismatched_decls): Do not check for
12994 mismatched thread-local attributes when OLDDECL is marked
12995 threadprivate and NEWDECL has no thread-local attributes.
12996 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12997 (c_gimple_diagnostics_recursively): Rename from
12998 c_warn_unused_result_recursively. Invoke
12999 diagnose_omp_structured_block_errors.
13000 (check_for_loop_decls): Return a singular decl found.
13001 * langhooks.c (lhd_omp_predetermined_sharing): Return
13002 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13003 (lhd_omp_firstprivatize_type_sizes): New.
13004 (lhd_omp_assignment): New.
13005 (lhd_omp_predetermined_sharing): New.
13006 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13007 (struct lang_hooks_for_types): Add
13008 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13009 omp_predetermined_sharing, omp_disregard_value_expr,
13010 omp_private_debug_clause, omp_clause_default_ctor,
13011 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13012 (c_finish_omp_clauses): New.
13013 (c_finish_bc_stmt): Diagnose break within omp for.
13014 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13015 (build_unary_op): Return error_mark after reporting
13017 (build_modify_expr): Likewise.
13018 * gimplify.c: Include optabs.h and pointer-set.h.
13019 (enum gimplify_omp_var_data): Declare.
13020 (struct gimplify_omp_ctx): Declare.
13021 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13023 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13024 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13025 (splay_tree_compare_decl_uid): New.
13026 (new_omp_context): New.
13027 (delete_omp_context): New.
13028 (gimple_add_tmp_var): Call omp_add_variable.
13029 (gimplify_bind_expr): Likewise.
13030 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13031 true, disregard DECL_VALUE_EXPR on the decl if any.
13032 (gimplify_expr_in_ctx): New.
13033 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13034 omp_add_variable, omp_notice_variable, omp_is_private
13035 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13036 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13037 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13038 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13039 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13040 gimplify_omp_atomic): New.
13041 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13042 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13043 OMP_CRITICAL and OMP_ATOMIC.
13044 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13045 * c-pragma.h (enum pragma_kind): Add
13046 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13047 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13048 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13049 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13050 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13051 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13052 PRAGMA_OMP_THREADPRIVATE.
13053 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13054 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13055 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13056 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13057 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13058 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13059 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13060 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13061 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13062 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13063 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13064 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13065 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13067 (struct nesting_info): Add field_map,
13068 suppress_expansion, debug_var_chain.
13069 (create_nesting_tree): Initialize them.
13070 (lookup_field_for_decl): Use field_map.
13071 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13072 (convert_local_omp_clauses): New.
13073 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13074 (walk_body): Split out of walk_function.
13075 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13076 (convert_nonlocal_reference): Handle omp statements.
13077 (convert_local_reference): Likewise.
13078 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13079 (unnest_nesting_tree): New.
13080 (lower_nested_functions): Call it.
13081 (insert_field_into_struct): Make extern.
13082 (struct walk_stmt_info): Move to tree-gimple.h.
13083 (walk_stmts): Make extern.
13084 * omp-builtins.def: New file.
13085 * tree-iterator.c (expr_only): Clarify comment.
13086 * c-common.h (pushdecl_top_level, pushdecl,
13087 build_modify_expr, build_indirect_ref,
13088 c_finish_omp_master, c_finish_omp_critical,
13089 c_finish_omp_ordered, c_finish_omp_barrier,
13090 c_finish_omp_atomic, c_finish_omp_flush,
13091 c_finish_omp_for, c_split_parallel_clauses,
13092 omp_clause_default_kind, c_omp_sharing_predetermined,
13093 c_omp_remap_decl): Declare.
13094 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13095 (OBJS-common): Add omp-low.o.
13096 (c-omp.o, omp-low.o): Add.
13097 (gimplify.o): Add dependency on $(OPTABS_H).
13098 (GTFILES): Add omp-low.c.
13099 (gt-stringpool.h): Add.
13100 * tree-cfg.c (set_bb_for_stmt): Do not update the
13101 block-to-labels map if we are currently expanding to RTL.
13102 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13104 Handle IDENTIFIER_NODE.
13105 (tree_verify_flow_info): Do not ICE when emitting error
13106 messages about invalid labels.
13107 (dump_function_to_file): Reset CFUN before emitting the body
13109 (debug_function): New.
13110 * passes.c (init_optimization_passes): Schedule
13112 * langhooks-def.h (lhd_omp_predetermined_sharing,
13113 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13115 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13116 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13117 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13118 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13119 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13120 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13121 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13122 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13123 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13124 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13125 (LANG_HOOK_DECLS): Use them.
13127 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13128 Richard Henderson <rth@redhat.com>
13129 Jakub Jelinek <jakub@redhat.com>
13130 Diego Novillo <dnovillo@redhat.com>
13132 * c-parser.c (pragma_omp_clause): Define.
13133 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13134 (c_parser_compound_statement): Likewise.
13135 (c_parser_statement): Likewise.
13136 (c_parser_pragma): Handle omp pragmas.
13137 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13138 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13139 (c_parser_omp_clause_name, check_no_duplicate_clause,
13140 c_parser_omp_variable_list,
13141 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13142 c_parser_omp_clause_copyprivate,
13143 c_parser_omp_clause_default,
13144 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13145 c_parser_omp_clause_lastprivate,
13146 c_parser_omp_clause_nowait,
13147 c_parser_omp_clause_num_threads,
13148 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13149 c_parser_omp_clause_reduction,
13150 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13151 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13152 c_parser_omp_atomic, c_parser_omp_barrier,
13153 c_parser_omp_critical, c_parser_omp_flush,
13154 c_parser_omp_for_loop, c_parser_omp_for,
13155 c_parser_omp_master, c_parser_omp_ordered,
13156 c_parser_omp_sections_scope, c_parser_omp_sections,
13157 c_parser_omp_parallel, c_parser_omp_single,
13158 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13159 * c-pragma.c (init_pragma): Do omp pragma registration here.
13160 * c.opt (fopenmp): New flag.
13162 2006-01-18 Eric Christopher <echristo@apple.com>
13164 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13165 * config/darwin.h (GOMP_SELF_SPECS): Define.
13167 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13169 * rtl.h: Remove the prototype for reg_alloc.
13171 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13174 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13175 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13176 sjlj and dwarf2 exception handling.
13177 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13178 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13179 * pa/pa.c (function_value): Treat complex and vector types as
13181 (function_arg): Likewise. Only pass scalar floats in the floating
13182 point argument registers.
13183 * pa/t-slibgcc-dwarf-ver: New file.
13184 * pa/t-slibgcc-sjlj-ver: New file.
13185 * pa/t-slibgcc-elf-ver: Delete file.
13187 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13189 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13190 unlikely_test_section_p test.
13192 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13194 * mode-switching.c (optimize_mode_switching): Make it static.
13195 * basic-block.h: Remove the prototype for
13196 optimize_mode_switching.
13198 * modulo-sched.c (sms_schedule): Make it static.
13199 * rtl.h: Remove the prototype for sms_schedule.
13201 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13202 * rtl.h: Remove the prototype for gcse_after_reload_main.
13204 * reg-stack.c (reg_to_stack): Make it static.
13205 * rtl.h: Remove the prototype for reg_to_stack.
13207 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13209 * rtl.h: Remove the prototypes for regrename_optimize and
13210 copyprop_hardreg_forward.
13212 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13214 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13215 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13216 Test against the appropriate null constant for the mode.
13217 If 'fixup_overlap' is true, swap the operands if they overlap.
13218 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13219 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13220 alpha_split_tmode_pair and adjust for above change.
13221 * config/alpha/alpha.md (movtf_internal): Adjust call to
13222 alpha_split_tfmode_pair and rely on it to swap the operands.
13223 (movti_internal): New insn and post-reload splitter.
13224 (movti): New expander.
13226 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13228 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13231 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13233 * rtlanal.c (global_reg_mentioned_p_1,
13234 global_reg_mentioned_p): Remove.
13235 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13237 * flow.c (initialize_uninitialized_subregs): Make it static.
13238 * rtl.h: Remove the prototype for
13239 initialize_uninitialized_subregs.
13241 * function.c (instantiate_virtual_regs): Make it static.
13242 * function.h: Remove the prototype for
13243 instantiate_virtual_regs.
13245 * regmove.c (regmove_optimize, combine_stack_adjustments):
13247 * rtl.h: Remove the prototypes for regmove_optimize and
13248 combine_stack_adjustments.
13250 2006-01-17 Roger Sayle <roger@eyesopen.com>
13252 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13253 (size_cost): Encode costs in bytes so that a reg-reg addition is
13254 equivalent to COSTS_N_INSNS(1).
13255 (override_options): Use the size_cost.branch_cost as the default
13256 ix86_branch_cost when optimizing for size.
13258 2006-01-18 Ben Elliston <bje@au.ibm.com>
13260 * Makefile.in (D32PBIT_FUNCS): New.
13261 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13262 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13263 D64PBIT_FUNCS and D128PBIT_FUNCS.
13264 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13265 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13267 (decnumber_dep): Define.
13268 * doc/libgcc.texi (Decimal float library routines): New node.
13269 * config/dfp-bit.h, config/dfp-bit.c: New files.
13271 2006-01-18 Ben Elliston <bje@au.ibm.com>
13273 * expr.c (emit_move_change_mode): Always adjust addresses, not
13274 just during reload. Copy replacements only during reload.
13275 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13276 emit_move_via_integer.
13278 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13280 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13281 instead of $(srcdir) and ${srcdir}.
13283 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13286 PR middle-end/11135
13287 * arm.h (struct machine_function): Add pic_reg.
13288 * arm.c (arm_pic_register): Make unsigned.
13289 (arm_override_options): Only set arm_pic_register if
13290 TARGET_SINGLE_PIC_BASE.
13291 (use_return_insn): Only test for a pic register if it is fixed.
13292 (arm_compute_save_reg0_reg12_mask): Likewise.
13293 (thumb_compute_save_reg_mask): Likewise.
13294 (legitimate_pic_operand): Factor out some known invariants.
13295 (legitimize_pic_address): If we don't have a fixed pic register,
13296 then set up a pseudo in the function entry sequence. Handle the
13297 pic base being in a pseudo.
13298 (arm_load_pic_register): Handle the pic register being in a pseudo.
13299 (arm_expand_prologue): Only set up the pic register if it is fixed.
13300 (thumb_expand_prologue): Likewise.
13301 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13302 (pic_load_addr_based_insn): Likewise.
13303 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13306 2006-01-18 Ben Elliston <bje@au.ibm.com>
13308 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13309 decimal float modes for all floating point registers.
13311 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13312 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13314 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13317 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13318 even when the pointer is not NULL.
13320 2006-01-16 Ian Lance Taylor <ian@airs.com>
13322 * common.opt (ftoplevel-reorder): New option.
13323 * cgraph.c (cgraph_asm_nodes): New global variable.
13324 (cgraph_asm_last_node): New static variable.
13325 (cgraph_order): New global variable.
13326 (cgraph_create_node): Set new order field.
13327 (cgraph_varpool_node): Likewise.
13328 (decide_is_variable_needed): Return true if not
13329 flag_toplevel_reorder.
13330 (cgraph_add_asm_node): New function.
13331 * cgraph.h (struct cgraph_node): Add order field.
13332 (struct cgraph_varpool_node): Add order field.
13333 (struct cgraph_asm_node): Define.
13334 (cgraph_asm_nodes, cgraph_order): Declare.
13335 (cgraph_add_asm_node): Declare.
13336 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13338 (cgraph_varpool_assemble_pending_decls): Call it.
13339 (cgraph_output_pending_asms): New static function.
13340 (cgraph_finalize_compilation_unit): Call it.
13341 (struct cgraph_order_sort): Define.
13342 (cgraph_output_in_order): New static function.
13343 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13344 !flag_toplevel_reorder case.
13345 * c-parser.c: Include "cgraph.h".
13346 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13348 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13349 than -fno-unit-at-a-time.
13350 * doc/invoke.texi (Option Summary): Mention
13351 -fno-toplevel-reorder.
13352 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13353 -funit-at-a-time documentation.
13355 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13356 Kazu Hirata <kazu@codesourcery.com>
13358 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13360 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13362 * Makefile.in (FUNCTION_H): New. Use it instead of
13363 function.h throughout the file.
13364 * function.h: Include tree.h.
13366 2006-01-17 Ben Elliston <bje@au.ibm.com>
13368 * recog.c: Separate some functions with whitespace.
13370 2006-01-16 Richard Henderson <rth@redhat.com>
13372 Merge from gomp branch:
13373 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13374 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13375 and rename from struct inline_data. Rename callee* to dst*;
13376 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13377 transform_new_cfg, transform_return_to_modify, and
13378 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13380 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13381 (copy_decl_for_dup): Remove.
13382 * tree-inline.c (struct inline_data): Move to header.
13383 (insert_decl_map): Export.
13384 (remap_decl): Update for member name changes. Use copy_decl hook.
13385 Allow for replacement to be a non-decl. Remove dead code.
13386 (remap_type_1): Check for existing mapping.
13387 (remap_type): Export.
13388 (remap_decls): Update for member name changes.
13389 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13390 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13391 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13392 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13393 (tree_function_versioning, build_duplicate_type): Likewise.
13394 (copy_body_r): Likewise. Export.
13395 (copy_decl_for_dup): Split into ...
13396 (copy_decl_for_dup_finish, copy_decl_to_var,
13397 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13398 (replace_ref_tree, inlining_p): Remove.
13400 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13402 * ifcvt.c (if_convert): Make it static.
13403 * rtl.h: Remove the prototype for if_convert.
13405 * local-alloc.c (local_alloc): Make it static.
13406 * rtl.h: Remove the prototype for local_alloc.
13408 * loop.c (loop_optimize): Make it static.
13409 * cfgloop.h: Remove the prototype for loop_optimize.
13412 2006-01-16 DJ Delorie <dj@redhat.com>
13414 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13417 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13419 * pa.md: Disparage copies between general and floating-point registers
13420 in 32-bit move patterns.
13422 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13425 * Makefile.in (check-%): Depend on site.exp instead of
13426 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13429 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13431 * global.c (global_alloc): Make it static.
13432 * rtl.h: Remove the prototype for global_alloc.
13434 2006-01-16 Richard Guenther <rguenther@suse.de>
13436 * tree-ssa-alias.c (struct used_part): Add write_only field.
13437 (get_or_create_used_part_for): Initialize it to true.
13438 (create_overlap_variables_for): Don't create structure variables
13439 for structures that only are written to.
13440 (find_used_portions): Handle MODIFY_EXPR to track whether a
13441 structure is only written to.
13443 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13445 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13447 * basic-block.h: Remove the prototype for
13448 partition_hot_cold_basic_blocks.
13450 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13452 * cppspec.c (lang_specific_spec_functions): Remove.
13453 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13454 * gcc.h (lang_specific_spec_functions): Remove.
13455 * gccspec.c (lang_specific_spec_functions): Remove.
13457 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13459 * combine.c (record_value_for_reg): Invalidate registers
13461 (record_dead_and_set_regs_1): Likewise, by passing them to
13462 record_value_for_reg.
13463 (record_dead_and_set_regs): Invalidate stores made by a
13464 call. We do not combine across a call, but we still
13465 relied on equivalences.
13467 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13469 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13470 vrp_int_const_binop returning non-constant nodes.
13472 2006-01-16 Paul Brook <paul@codesourcery.com>
13474 * config/m68k/m68k.c (output_move_const_into_data_reg):
13475 Output correct mnemonic for mvz and mvs.
13477 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13479 * rtl-factoring.c: Add sequence abstraction algorithm.
13480 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13481 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13483 (block_has_preserve_label): New function.
13484 * common.opt: Register new pass.
13485 * Makefile.in: Ditto.
13487 * timevar.def: Ditto.
13488 * tree-pass.h: Ditto.
13489 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13490 * rtl.h (make_jump_insn_raw): Add forward decl.
13491 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13493 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13494 Roger Sayle <roger@eyesopen.com>
13496 * fold-const.c (fold_minmax): New static function.
13497 (fold_binary) <MIN_EXPR>: Call it.
13498 <MAX_EXPR>: Likewise.
13499 * stor-layout.c (place_field): Use DECL_SIZE consistently
13500 in the computation of the new record size.
13502 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13504 * cse.c (cse_condition_code_reg): Make it static.
13505 * rtl.h: Remove the prototype for cse_condition_code_reg.
13507 * combine.c (combine_instructions): Make it static.
13508 * rtl.h: Remove the prototype for combine_instructions.
13510 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13513 * tree.c (get_file_function_name_long): Concatenate the first global
13514 object name with a string derived from the input filename of the object
13517 2006-01-16 Ben Elliston <bje@au.ibm.com>
13519 * config/i386/winnt-stubs.c: Update FSF address.
13520 * config/xtensa/ieee754-df.S: Ditto.
13521 * config/xtensa/ieee754-sf.S: Ditto.
13523 2006-01-14 Ian Lance Taylor <ian@airs.com>
13525 * ifcvt.c (noce_init_if_info): New static function, broken out of
13526 noce_process_if_block.
13527 (noce_process_if_block): Call noce_init_if_info.
13528 (check_cond_move_block): New static function.
13529 (cond_move_process_if_block): New static function.
13530 (process_if_block): Call cond_move_process_if_block.
13532 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13534 * cselib.c (hash_table): Rename to cselib_hash_table.
13535 (cselib_clear_table, discard_useless_values,
13536 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13537 cselib_init, cselib_finish): Adjust uses of hash_table.
13539 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13541 PR tree-optimization/25485
13542 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13543 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13544 is known to be false and true, respectively.
13546 2006-01-14 Richard Guenther <rguenther@suse.de>
13548 PR tree-optimization/22548
13549 PR tree-optimization/22555
13550 PR tree-optimization/22501
13551 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13552 * params.def (salias-max-array-elements): New parameter.
13553 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13554 * doc/invoke.texi (salias-max-array-elements): Document.
13555 * tree-flow-inline.h (var_can_have_subvars): We also handle
13557 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13559 * tree-ssa-structalias.c (params.h): Include.
13560 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13561 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13562 (get_constraint_for): For ADDR_EXPR operating on something
13563 containing an ARRAY_REF, add all subvars to the solution.
13564 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13565 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13566 for creating MUST_DEFs.
13567 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13569 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13571 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13573 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13574 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13575 number_of_iterations_le): New functions.
13576 (number_of_iterations_special): Removed.
13577 (number_of_iterations_exit): Do not use number_of_iterations_special.
13578 * tree.c (unsigned_type_for): Always return integer type.
13580 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13581 Richard Guenther <rguenther@suse.de>
13583 PR rtl-optimization/24257
13584 * gcse.c (find_moveable_store): Only consider a store movable
13585 when the SET_SRC of the insn can be assigned to a register.
13587 2006-01-14 Ian Lance Taylor <ian@airs.com>
13589 * tree.c (tree_not_class_check_failed): New function.
13590 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13591 (tree_not_class_check_failed): Declare.
13593 2006-01-13 Ian Lance Taylor <ian@airs.com>
13595 * reload1.c (do_output_reload): Add assertion rejecting a
13598 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13600 * combine.c (struct reg_stat): Add new fields truncation_label and
13602 (record_value_for_reg): Reset truncated_to_mode.
13603 (record_truncated_value): New function.
13604 (check_promoted_subreg): Call it. Rename to check_conversions.
13605 (combine_instructions): Rename check_promoted_subreg to
13607 (reg_truncated_to_mode): New function.
13608 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13609 (gen_lowpart_or_truncate): New function.
13610 (force_to_mode): Use it instead of gen_lowpart.
13612 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13614 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13615 VAR is a tag, not its type tag.
13617 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13619 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13620 alternatives to match style of other entries.
13621 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13623 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13625 PR tree-optimization/25771
13626 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13629 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13632 * tree-inline.c (declare_return_variable): If the return variable
13633 was marked as a non gimple complex, set the return slot variable
13634 to be a non gimple comple variable.
13636 2006-01-13 Richard Guenther <rguenther@suse.de>
13638 * builtins.c (expand_builtin_sincos): New function.
13639 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13641 (expand_builtin): Expand sincos using expand_builtin_sincos.
13643 2006-01-12 DJ Delorie <dj@redhat.com>
13645 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13646 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13647 so that constant shifts can be split.
13648 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13649 (m32c_valid_pointer_mode): Make static.
13650 (shift_gen_func_for): New.
13651 (m32c_prepare_shift): Use it. Split large const shifts into
13653 * config/m32c/predicates.md (shiftcount_operand): Allow more
13655 (longshiftcount_operand): New.
13656 * doc/md.texi (Machine Constraints): Document In6.
13658 2006-01-13 Ben Elliston <bje@au.ibm.com>
13660 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13661 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13664 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13666 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13667 to try to avoid clobbering pieces of structures when we know
13668 something about the whole structure.
13669 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13671 2006-01-13 Ben Elliston <bje@au.ibm.com>
13673 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13674 return in memory, as this is no limitation is no longer present.
13676 2006-01-12 DJ Delorie <dj@redhat.com>
13678 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13679 mova with fb, and for fb+0 -> An.
13681 * config/m32c/mov.md (peephole2): Fix enabling logic.
13683 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13684 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13685 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13686 FINI_ARRAY_SECTION_ASM_OP): Define.
13688 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13690 (m32c_legitimize_reload_address): New logic to reload FB to An.
13691 (m32c_output_reg_push): Add newline.
13692 (m32c_output_reg_pop): Likewise.
13694 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13696 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13698 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13700 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13702 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13704 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13707 2006-01-11 Ben Elliston <bje@au.ibm.com>
13709 * rtlanal.c (find_reg_note): Assert insn is not null.
13711 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13713 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13716 2006-01-11 Jeff Law <law@redhat.com>
13718 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13720 (mark_threaded_blocks, register_jump_thread): New functions.
13721 (thread_through_all_blocks): Remove unwanted argument. No
13722 longer rely on e->aux to communicate thread target info.
13723 Call mark_threaded_blocks. Release the threaded_blocks
13724 bitmap and threaded_edges vector when complete.
13725 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13726 (threaded_blocks): Remove.
13727 (tree_ssa_dominator_optimize): Remove initialization and
13728 finalization of threaded_blocks. Simplify call to
13729 thread_through_all_blocks.
13730 (thread_across_edge): Call register_jump_thread rather than
13731 storing thread information into e->aux.
13732 (free_all_edge_infos): Simplify now that e->aux is no longer
13733 used to communicate with thread_through_all_blocks.
13734 * tree-flow.h (thread_through_all_blocks): Update prototype.
13735 (register_jump_thread): Prototype.
13737 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13739 * df-core.c (df_compact_blocks, df_bb_replace): Use
13740 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13742 2006-01-11 Richard Guenther <rguenther@suse.de>
13744 PR tree-optimization/25734
13745 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13746 stop propagation after successful propagation to the LHS.
13748 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13750 * basic-block.h (control_flow_graph): Change the type of
13751 x_basic_block_info to VEC(basic_block,gc) *.
13752 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13754 (SET_BASIC_BLOCK): New.
13755 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13756 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13757 * cfgbuild.c (find_basic_blocks): Likewise.
13758 * cfglayout.c (fixup_reorder_chain): Likewise.
13759 * cfgrtl.c (create_basic_block_structure,
13760 rtl_create_basic_block): Likewise.
13761 * ifcvt.c (find_if_case_1): Likewise.
13762 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13765 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13767 * Makefile.in: Removed rotted odf.c entry.
13769 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13772 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13773 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13774 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13775 output pattern modifier, not %e.
13776 * config/cris/cris.c (cris_op_str): Update comment about pattern
13778 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13779 before falling through into...
13780 <case 'E'>: Redefined from old 'e' case.
13782 2006-01-11 Jan Hubicka <jh@suse.cz>
13785 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13787 2006-01-11 Jan Hubicka <jh@suse.cz>
13789 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13790 * i386.c (x86_decompose_lea): Kill.
13791 (ix86_rtx_costs): Kill.
13793 2006-01-11 Jan Hubicka <jh@suse.cz>
13795 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13796 * cgraph.h (cgraph_node): Add inline_decl.
13797 (cgraph_insert_node_to_hashtable): Declare.
13798 (save_inline_function_body): Declare.
13799 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13801 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13802 (cgraph_function_versioning): Update call of tree_function_versioning.
13803 (save_inline_function_body): New function.
13804 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13805 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13806 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13807 (cgraph_default_inline_p): Likewise.
13808 (cgraph_decide_inlining_incrementally): Likewise.
13809 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13810 (copy_bb): Kill saving; do updating of clones.
13811 (copy_cfg_body): Kill saving.
13812 (initialize_inlined-parameters): Likewise.
13813 (expand_call_inline): Likewise.
13815 (tree_function_versioning): New parameter "update_clones".
13816 (inlining_p): Kill saving.
13817 * tree-inline.h (tree_function_versioning): Update prototype.
13818 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13821 2006-01-11 Ian Lance Taylor <ian@airs.com>
13823 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13824 Allow undoing set of machine mode.
13825 (do_SUBST): Use enums instead of is_int.
13826 (do_SUBST_MODE): New function.
13827 (SUBST_MODE): New macro.
13828 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13829 reg and trying to replace reg_regno_rtx with a new register.
13830 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13831 (simplify_set): Use SUBST_MODE.
13832 (distribute_notes): Remove code that tried to update reg notes
13833 for regno_reg_rtx changes.
13835 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13837 PR tree-optimization/23109
13838 PR tree-optimization/23948
13839 PR tree-optimization/24123
13841 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13842 * tree-cfg.c (single_noncomplex_succ): New.
13843 * tree-flow.h (single_noncomplex_succ): Declare it.
13844 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13845 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13846 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13847 insert_bb, register_division_in, insert_reciprocals,
13848 replace_reciprocal, free_bb): New.
13849 (execute_cse_reciprocals_1): Rewritten.
13850 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13851 Do not commit any edge insertion. Always compute dominators and
13852 create the allocation pool.
13853 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13854 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13855 * targhooks.c (default_min_divistions_for_recip_mul): New.
13856 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13857 * passes.c (init_optimization_passes): Run recip after tree loop
13859 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13861 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13862 Kenneth Zadeck <zadeck@naturalbridge.com>
13864 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13865 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13866 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13867 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13868 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13869 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13870 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13871 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13872 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13873 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13874 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13875 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13876 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13877 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13878 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13879 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13880 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13881 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13882 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13883 DF_SCAN_POST_ALLOC): New macros.
13884 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13885 df_free_bb_function, df_local_compute_function, df_init_function,
13886 df_dataflow_function, df_confluence_function_0,
13887 df_confluence_function_n, df_transfer_function,
13888 df_finalizer_function, df_free_function, df_dump_problem_function,
13889 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13890 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13891 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13892 df_urec_bb_info, ) New types.
13893 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13895 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13896 df_analyze_simple_change_some_blocks,
13897 df_analyze_simple_change_one_block, df_compact_blocks,
13898 df_bb_replace, df_bb_regno_last_use_find,
13899 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13900 df_insn_regno_def_p, df_find_def, df_find_use,
13901 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13902 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13903 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13904 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13905 debug_df_chain, df_get_dependent_problem, df_chain_create,
13906 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13907 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13908 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13909 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13910 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13911 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13912 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13913 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13914 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13915 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13916 df_reorganize_refs, df_set_state, df_hard_reg_init,
13917 df_read_modify_subreg_p) New public functions.
13918 * df-core.c: The core dataflow solver and glue routines for rtl
13920 (df_init, df_add_problem, df_set_blocks, df_finish,
13921 df_hybrid_search_forward, df_hybrid_search_backward,
13922 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13923 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13924 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13925 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13926 df_reg_defined, df_find_use, df_reg_used, df_dump,
13927 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13928 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13929 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13930 debug_df_useno, reset_df_after_reload): New functions.
13931 * df-scan.c: The scanning fuctions, once in df.c, completely
13932 rewritten so that they now fully model the functionality of
13933 register usage at the backend.
13934 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13935 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13936 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13937 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13938 df_get_artificial_defs, df_get_artificial_uses,
13939 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13940 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13941 df_refs_delete, df_reorganize_refs, df_set_state,
13942 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13943 df_def_record_1, df_defs_record, df_uses_record,
13944 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13945 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13946 df_record_exit_block_uses, df_hard_reg_init): New functions.
13948 * df-problems.c: Seven concrete dataflow problems that use the
13949 scanning in df-scan.c and are solved by the engine in df-core.c.
13950 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13951 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13952 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13953 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13954 df_ru_free_bb_info, df_ru_alloc,
13955 df_ru_bb_local_compute_process_def,
13956 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13957 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13958 df_ru_transfer_function, df_ru_free, df_ru_dump,
13959 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13960 df_rd_free_bb_info, df_rd_alloc,
13961 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13962 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13963 df_rd_transfer_function, df_rd_free, df_rd_dump,
13964 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13965 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13966 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13967 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13968 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13969 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13970 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13971 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13972 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13973 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13974 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13975 df_urec_mark_reg_use_for_earlyclobber,
13976 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13977 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13978 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13979 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13980 df_chain_create_bb_process_use, df_chain_create_bb,
13981 df_chain_finalize, df_chain_free, df_chains_dump,
13982 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13983 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13984 df_reg_lifetime): New functions.
13985 * df.c: Deleted file.
13986 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13987 consistent with new df api.
13988 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13989 rest_of_handle_sms): Ditto.
13990 * web.c (unionfind_union, union_defs, entry_register, web_main):
13992 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13993 invariant_expr_equal_p, find_defs, check_dependencies,
13994 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13995 free_inv_motion_data, move_loop_invariants): Ditto.
13996 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13997 Update dependencies.
13998 (odf.c): Added defective entry that was deleted later in day.
13999 * sched-deps.c (sched_analyze_1): Ditto.
14001 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14003 * tree-ssa-operands.c (get_expr_operands): Record addressable
14004 variables directly. Do not call add_stmt_operands for CONST_DECLs
14006 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14007 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14009 2006-01-11 Ben Elliston <bje@au.ibm.com>
14011 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14012 function returns true in the positive case.
14014 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14017 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14018 for SI, DI, SF and DF modes. Add alternatives to copy between
14019 general and floating point registers to the 32-bit patterns.
14020 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14021 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14022 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14023 generating 64-bit code.
14024 * config/pa/pa.c (output_move_double): Handle copies between general
14025 and floating registers.
14027 2006-01-10 Stuart Hastings <stuart@apple.com>
14029 * config/i386/i386.md (set_got): Update.
14030 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14031 (builtin_setjmp_receiver): Mach-O support.
14032 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14033 (GOT_SYMBOL_NAME): Define.
14034 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14035 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14036 * config/i386/i386.c (override_options): Revise for Darwin.
14037 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14038 support. (darwin_x86_file_end): New. (output_set_got): Add label
14039 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14040 * config/i386/i386-protos.h (output_set_got): Likewise.
14041 * config/darwin.c (machopic_legitimize_pic_address): Update
14044 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14046 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14047 when MODE isn't BLKmode.
14049 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14051 PR rtl-optimization/25367
14052 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14054 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14057 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14058 for a negative bound.
14060 2006-01-10 Richard Guenther <rguenther@suse.de>
14062 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14063 Never override with anything constraint.
14065 2006-01-10 Jan Beulich <jbeulich@novell.com>
14067 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14068 256 bits when optimize_size.
14070 2006-01-10 Jan Beulich <jbeulich@novell.com>
14072 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14074 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14075 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14078 2006-01-10 Ben Elliston <bje@au.ibm.com>
14080 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14082 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14083 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14084 (USE_FP_FOR_ARG): Reject decimal float modes.
14085 (function_arg_advance): Likewise.
14086 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14087 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14088 point types in AltiVec vectors.
14089 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14090 (rs6000_libcall_value): Likewise.
14092 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14094 * config/xtensa/ieee754-df.S: New file.
14095 * config/xtensa/ieee754-sf.S: New file.
14096 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14097 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14098 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14100 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14102 * config/sh/predicates.md (binary_float_operator,
14103 binary_logical_operator, commutative_float_operator,
14104 equality_comparison_operator, greater_comparison_operator,
14105 less_comparison_operator, logical_operator,
14106 noncommutative_float_operator, shift_operator,
14107 symbol_ref_operand, unary_float_operator): Remove redundant
14110 2006-01-09 Jeff Law <law@redhat.com>
14112 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14113 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14114 now unused arguments. Callers updated.
14115 (eliminate_redundant_computations): Remove now unused arguments,
14117 (local_fold): Remove, no longer used.
14118 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14120 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14121 (simplify_cond): New function.
14122 (forward_propagate_into_cond): Call simplify_cond.
14124 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14126 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14127 (*vec_extractv2di_1_sse): New.
14129 2006-01-09 Ben Elliston <bje@au.ibm.com>
14131 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14133 2006-01-08 Richard Guenther <rguenther@suse.de>
14135 * tree-ssa-structalias.c (get_constraint_for): Remove
14136 anyoffset argument.
14137 (get_constraint_for_component_ref): Likewise.
14138 (do_deref): Likewise.
14139 (get_constraint_for): Likewise.
14140 (do_structure_copy): Likewise.
14141 (handle_ptr_arith): Likewise.
14142 (find_func_aliases): Likewise. Remove unused need_anyoffset
14145 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14146 Kaz Kojima <kkojima@gcc.gnu.org>
14148 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14149 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14150 (EXTRA_CONSTRAINT_C16): Remove.
14151 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14152 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14153 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14154 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14155 constants of SHmedia. Handle nested constant expressions of
14157 (andcosts): Fix the costs for SHmedia constants.
14158 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14159 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14160 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14161 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14162 (movv4hi_i, movv2si_i): Likewise.
14163 (movsi_const): Adjust the second operand of ior so to match with
14164 the Csu constraint.
14165 (movdi_const, movdi_const_32bit): Likewise.
14166 (movdi_const_16bit+1): Don't sign-extend LOW.
14167 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14169 (*double_shori): Fix the split condition. Use GEN_INT instead
14170 of get_int_mode calls. Mask lower 16-bit of the argument of
14172 (sym2GOTPLT): Remove.
14173 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14175 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14176 instead of EXTRA_CONSTRAINT_C16.
14178 2006-01-07 Ian Lance Taylor <ian@airs.com>
14179 David Edelsohn <edelsohn@gnu.org>
14181 PR rtl-optimization/25662
14182 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14183 for constant operands instead of simplify_gen_binary.
14184 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14185 after trying simplify_binary_operation
14187 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14189 * tree.c (iterative_hash_expr): Hash decls based on UID.
14191 2006-01-06 Eric Christopher <echristo@apple.com>
14193 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14194 (TARGET_UNWIND_EMIT): Fix spelling.
14195 * target.h (gcc_target): Add except_table_label.
14196 * except.c (output_function_exception_table): Use.
14197 * varasm.c (default_emit_except_table_label): New.
14198 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14200 (asm_out): Add here.
14201 * output.h (default_emit_except_table_label): Prototype.
14202 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14203 * config/darwin.c (darwin_emit_except_table_label): Define.
14204 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14206 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14208 PR tree-optimization/18527
14209 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14210 number_of_iterations_special, number_of_iterations_exit):
14211 Move base and step of an iv to a single structure. Add
14212 no_overflow flag, and use it in # of iterations analysis.
14213 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14214 folded_casts argument.
14215 (simple_iv): Pass base and step in a structure. Set no_overflow
14217 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14218 Evaluate expensiveness of computing # of iterations instead of
14219 the final expression.
14220 * tree-scalar-evolution.h (affine_iv): New structure.
14221 (simple_iv): Declaration changed.
14222 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14223 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14224 find_givs_in_stmt): Changed due to simple_iv change.
14226 2006-01-06 Jeff Law <law@redhat.com>
14229 * tree-cfg.c (bsi_replace): Rename final argument from
14230 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14231 change (stmt -> orig_stmt).
14232 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14233 (bsi_remove): Add new argument. Remove EH information
14235 (verify_eh_throw_table_statements): New function.
14236 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14238 * tree-optimize.c (execute_free_cfg_annotations): Verify
14239 the EH throw statement table after removing annotations.
14240 * except.h (verify_eh_throw_table_statements): Prototype.
14241 * tree-flow.h (bsi_remove): Update prototype.
14242 * tree-vrp.c (remove_range_assertions): Add new argument to
14244 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14245 * tree-complex.c (expand_complex_div_wide): Likewise.
14246 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14247 * tree-tailcall.c (eliminate_tailcall): Likewise.
14248 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14249 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14250 * tree-nrv.c (tree_nrv): Likewise.
14251 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14252 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14253 (combine_blocks): Likewise.
14254 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14255 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14256 (cleanup_control_flow): Likewise.
14257 (remove_forwarder_block): Likewise.
14258 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14259 * tree-sra.c (sra_replace): Likewise.
14260 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14261 (forward_propagate_single_use_vars): Likewise.
14262 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14263 * tree-inline.c (expand_call_inline): Likewise.
14264 * tree-vect-transform.c (vect_transform_loop): Likewise.
14265 * tree-outof-ssa.c (rewrite_trees): Likewise.
14266 * tree-cfg.c (make_goto_expr_edges): Likewise.
14267 (cleanup_dead_labels): Likewise.
14268 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14269 (bsi_move_before, bsi_move_after): Likewise.
14270 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14271 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14273 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14276 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14278 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14279 on non gimple variables. Also add checks at the top for decls and
14281 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14283 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14284 and IMAGPART_EXPR for creating MUST_DEFs.
14285 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14286 and NAME_MEMORY_TAG separately from the DECLs.
14288 2006-01-06 Richard Guenther <rguenther@suse.de>
14290 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14291 annotation, if necessary.
14292 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14293 redundant calls to update_stmt.
14294 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14297 2006-01-05 Richard Henderson <rth@redhat.com>
14299 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14301 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14303 * c-typeck.c: Update copyright date.
14305 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14307 * c-typeck.c (build_c_cast): Always warn when casting
14308 from a pointer to an integer of different size, even if
14309 the node was constant.
14311 2006-01-05 Richard Guenther <rguenther@suse.de>
14313 PR tree-optimization/22555
14314 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14315 if one structure field is an array.
14316 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14317 operands even if we found a subvar, but ignore VOPs in this
14319 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14321 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14323 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14325 PR middle-end/24998
14326 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14328 2006-01-05 Richard Guenther <rguenther@suse.de>
14329 Diego Novillo <dnovillo@redhat.com>
14331 * tree-pass.h (TODO_remove_unused_locals): Define.
14332 * gimple-low.c (expand_var_p, remove_useless_vars,
14333 pass_remove_useless_vars): Remove. Update all users.
14334 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14335 (remove_unused_locals): New function.
14336 * tree-flow.h (remove_unused_locals): Declare.
14337 * passes.c (execute_todo): Call remove_unused_locals if
14338 TODO_remove_unused_locals is set.
14339 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14340 * tree-ssa-dce.c (pass_dce): Likewise.
14341 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14343 2006-01-05 Richard Guenther <rguenther@suse.de>
14345 * tree-flow.h (struct fieldoff): Decompose field to
14346 type, size and decl.
14347 * tree-ssa-alias.c (create_sft): Take type as parameter.
14348 (create_overlap_variables_for): Store type, size and decl
14349 in the fieldoff structure.
14350 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14351 of struct fieldoff.
14352 (push_fields_onto_fieldstack): Likewise.
14353 (create_variable_info_for): Likewise. Use offset for the
14354 SFT name if the decl is not available.
14356 2006-01-04 Paul Brook <paul@codesourcery.com>
14358 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14360 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14362 * lambda-code.c (can_put_in_inner_loop): Relax
14364 (can_put_after_inner_loop): New function.
14365 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14366 (perfect_nestify): Change to make copies and modify uses.
14368 2006-01-04 Richard Henderson <rth@redhat.com>
14370 Merge from gomp branch:
14371 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14372 via integer constant.
14373 (pragma_lex): Remove.
14374 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14375 rather than parsing it.
14376 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14377 handle_pragma_extern_prefix): Add %< %> quotes.
14378 (registered_pragmas): New.
14379 (c_register_pragma_1): New.
14380 (c_register_pragma): Use it.
14381 (c_register_pragma_with_expansion): Likewise.
14382 (c_invoke_pragma_handler): New.
14383 (init_pragma): Use cpp_register_deferred_pragma directly for
14385 * c-pragma.h (enum pragma_kind): New.
14386 (pragma_handler): New.
14387 (c_invoke_pragma_handler): Declare.
14388 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14390 * c-common.h (c_common_pch_pragma): Update decl.
14391 * Makefile.in (c-parser.o): Update dependencies.
14392 (GTFILES): Add c-pragma.h.
14393 * c-parser.c (struct c_token): Add pragma_kind.
14394 (struct c_parser): Add in_pragma.
14395 (c_lex_one_token): Always initialize keyword and pragma_kind.
14396 Extract data for CPP_PRAGMA.
14397 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14398 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14399 Don't allow CPP_PRAGMA_EOL if in_pragma.
14400 (c_parser_consume_pragma): New.
14401 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14402 (c_parser_skip_to_end_of_parameter): Likewise.
14403 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14404 (c_parser_skip_to_pragma_eol): New.
14405 (c_parser_external_declaration): Handle CPP_PRAGMA.
14406 (c_parser_compound_statement_nostart): Likewise.
14407 (c_parser_statement_after_labels): Likewise.
14408 (c_parser_pragma): New.
14409 (pragma_lex): Likewise.
14410 (c_parser_pragma_pch_preprocess): New.
14411 (c_parser_new): Merge into ...
14412 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14414 2006-01-04 Jeff Law <law@redhat.com>
14417 * tree-cfg.c (bsi_replace): Remove the original statement
14418 from the EH throw statement table.
14420 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14422 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14423 make the prototype extern "C" and add throw ().
14426 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14427 and pos non-negative and pos + len <= 32.
14428 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14429 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14430 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14433 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14434 as well as sizes not multiple of component size.
14437 * function.c (instantiate_expr): New function.
14438 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14439 walk its DECL_VALUE_EXPR with instantiate_expr.
14441 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14442 DW_OP_deref{,_size} if address isn't going to be added.
14444 2006-01-04 Ben Elliston <bje@au.ibm.com>
14446 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14447 * config/fp-bit.c: Likewise.
14449 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14451 * dominance.c: Add comment about why we use DFS numbering
14454 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14455 Richard Henderson <rth@redhat.com>
14457 Merge from gomp-branch:
14458 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14459 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14461 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14463 PR rtl-optimization/25578
14464 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14465 pass a parameter to simplify_shift_const if changing ASHIFTRT
14468 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14470 * builtins.c (get_builtin_sync_mem): New function.
14471 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14472 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14473 Call get_builtin_sync_mem to generate mem rtx.
14475 2006-01-03 Richard Guenther <rguenther@suse.de>
14478 * stmt.c (add_case_node): Make sure to clear overflow flags
14481 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14483 Merge from gomp-branch.
14484 * config/sparc/sync.md: New file.
14485 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14486 UNSPECV_LDSTUB): New constants.
14487 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14488 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14489 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14492 2006-01-03 Roger Sayle <roger@eyesopen.com>
14494 * combine.c (reg_subword_p): New predicate to test whether the
14495 destination of a set refers to a subword/piece of a register.
14496 (try_combine): Generalize the code to merge the setting of a
14497 pseudo to a constant followed by a set of a subword of that
14498 register to a constant.
14500 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14502 * basic-block.h (control_flow_graph): Change the type of
14503 x_label_to_block_map to VEC(basic_block,gc) *.
14504 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14505 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14507 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14508 VEC(basic_block,heap) *.
14509 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14510 ssa_prop_fini): Adjust the uses of cfg_blocks.
14512 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14514 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14516 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14517 hashing trees instead of a pointer hash.
14518 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14519 compare for MEM_EXPR.
14521 PR rtl-optimization/25130
14522 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14523 when comparing MEMs for GCSE
14525 2006-01-03 Ben Elliston <bje@au.ibm.com>
14527 * targhooks.h (default_decimal_float_supported_p): Declare.
14528 * targhooks.c (default_decimal_float_supported_p): Define.
14529 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14530 `default_decimal_float_supported_p'.
14531 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14533 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14535 * combine.c (apply_distributive_law <SUBREG>): Check
14536 TRULY_NOOP_TRUNCATION.
14538 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14540 * dwarf2out.c (have_switched_text_section): Delete.
14541 (have_multiple_function_sections): New.
14542 (have_location_lists): Make 'bool'.
14543 (add_AT_loc_list): Use 'true' not '1'.
14544 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14545 (output_loc_list): Use have_multiple_function_sections.
14546 (output_ranges): Likewise.
14547 (dwarf2out_begin_function): Set have_multiple_function_sections if
14549 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14550 Check function_section rather than DECL_SECTION_NAME.
14551 (dwarf2out_finish): Use have_multiple_function_sections.
14552 Don't clear have_location_lists.
14554 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14555 Jan Hubicka <jh@suse.cz>
14557 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14558 case of conditional jump jumping to the next instruction.
14559 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14560 cases of conditional jump jumping to the next instruction.
14562 2006-01-02 Jan Hubicka <jh@suse.cz>
14564 * i386.c (*_cost): Add COSTS_N_INSNS.
14565 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14567 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14570 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14572 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14574 * config/arm/arm.c (all_fpus): Fix comment typo.
14575 * config/darwin.c: Likewise.
14576 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14577 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14578 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14580 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14582 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14583 (rs6000_split_compare_and_swapqhi): New.
14584 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14585 (sync_compare_and_swapqhi_internal): New.
14586 * config/rs6000/rs6000-protos.h: Declare.