1 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5 (divsi_inv_m1): Use them.
6 (UNSPEC_DIV_INV_TABLE): New constant.
8 2006-09-06 James E Wilson <wilson@specifix.com>
11 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
12 then call count_or_remove_death_notes.
14 2006-09-06 Jason Merrill <jason@redhat.com>
17 * tree-inline.c (copy_result_decl_to_var): New fn.
18 (declare_return_variable): Use it. Call declare_inline_vars here.
19 (expand_call_inline): Not here.
21 2006-09-06 Diego Novillo <dnovillo@redhat.com>
23 * doc/contrib.texi: Update my entry.
25 2006-09-06 Nick Clifton <nickc@redhat.com>
27 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
29 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
32 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
33 (canonicalize_induction_variables): Likewise.
34 (tree_unroll_loops_completely): Likewise.
35 (tree_ssa_prefetch_arrays): Likewise.
36 (remove_empty_loops): Likewise.
37 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
38 TODO_cleanup_cfg instead of directly calling
39 cleanup_tree_cfg_loop.
40 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
42 (tree_unroll_loops_completely): Likewise.
43 (remove_empty_loops): Likewise.
44 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
45 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
46 of tree_ssa_unswitch_loops.
47 (tree_ssa_loop_ivcanon): Use the return value of
48 canonicalize_induction_variables.
49 (tree_ssa_empty_loop): Use the return value of
51 (tree_complete_unroll): Use the return value of
52 tree_unroll_loops_completely.
53 (tree_ssa_loop_prefetch): Use the return value of
54 tree_ssa_prefetch_arrays.
55 * passes.c (execute_todo): Before Cleanup CFG, set
56 updating_used_alone and after cleanup CFG, call
57 recalculate_used_alone.
59 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
62 * tree-vect-transform.c (vectorizable_condition): Move the check
63 for the type after the check for simple condition.
65 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
66 Kaz Kojima <kkojima@gcc.gnu.org>
69 * mode-switching.c (optimize_mode_switching): Make the destination
70 block of an abnormal edge have no anticipatable mode. Don't
71 insert mode switching code at the end of the source block of
74 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
76 PR rtl-optimization/26847
77 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
78 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
79 (simplify_plus_minus): Count n_constants while filling ops. Replace
80 qsort with insertion sort. Before going through the array to simplify
81 pairs, sort it. Delay early exit until after the first sort, exiting
82 only if no swaps occurred. Simplify pairs in reversed order, without
83 special-casing the first iteration. Pack ops after simplifying pairs.
85 2006-09-05 Anatoly Sokolov <aesok@post.ru>
87 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
88 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
89 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
90 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
92 2006-09-05 Richard Guenther <rguenther@suse.de>
94 PR tree-optimization/28900
95 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
96 compound conditional before creating COND_EXPR condition.
98 2006-09-05 Richard Guenther <rguenther@suse.de>
100 PR tree-optimization/28905
101 * tree-vrp.c (fix_equivalence_set): Manually implement
102 !value_ranges_intersect_p to also handle symbolic ranges.
104 2006-09-05 Richard Guenther <rguenther@suse.de>
107 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
110 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
112 PR rtl-optimization/27616
113 * cse.c (table_size): New static variable.
114 (new_basic_block): Initialize it to 0.
115 (remove_from_table): Decrement it.
116 (insert): Increment it.
117 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
118 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
119 fold_rtx_mem_1 if under the cap.
120 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
121 the lookup of the equivalent expression and test for equality of the
122 first operand of the equivalent expression before in turn looking up
123 an equivalent constant for the second operand.
125 2006-09-02 Geoffrey Keating <geoffk@apple.com>
128 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
129 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
130 pointer, instead of assuming it is possible to derive the
131 correct args size from a call insn.
133 2006-09-02 Jakub Jelinek <jakub@redhat.com>
136 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
137 (fold_builtin_mempcpy): Rename to...
138 (fold_builtin_memory_op): ... this. Optimize one element copy
140 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
142 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
143 (expand_builtin_memcpy, expand_builtin_mempcpy,
144 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
145 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
146 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
147 BUILT_IN_MEM{CPY,PCPY,MOVE}.
149 2006-09-01 DJ Delorie <dj@redhat.com>
151 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
153 ("stzx_24_<mode>"): Likewise.
154 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
155 ("cmp<mode>_op"): New.
156 (cmp<mode>): Change to expander; just save operands.
158 (b<code>): Change to expander, emit compare here.
159 (s<code>_op): Change to use split and expander.
160 (s<code>_24_op): Likewise.
161 (s<code>_<mode>): New.
162 (s<code>_<mode>_24): New.
163 (movqicc_<code>_<mode): New.
164 (movhicc_<code>_<mode>): New.
167 * config/m32c/m32c.c (compare_op0, compare_op1): New.
168 (m32c_pend_compare): New.
169 (m32c_unpend_compare): New.
170 (m32c_expand_scc): New.
171 (m32c_expand_movcc): Emit the compare also.
172 * config/m32c/predicates.md (mra_nopp_operand): New.
174 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
175 Richard Guenther <rguenther@suse.de>
176 Adam Nemet <anemet@caviumnetworks.com>
179 * builtins.c (get_pointer_alignment): Handle more forms
180 of base addresses that can be used to derive more precise
181 information about alignment.
183 2006-09-01 Jason Merrill <jason@redhat.com>
186 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
189 * gimplify.c (voidify_wrapper_expr): Handle null type.
191 2006-09-01 Josh Conner <jconner@apple.com>
194 * tree-nrv.c (dest_safe_for_nrv_p): New function.
195 (execute_return_slot_opt): Use it.
197 2006-08-31 Josh Conner <jconner@apple.com>
200 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
201 returning aggregates.
203 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
205 PR tree-optimization/28839
206 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
207 blocks in that phi arguments appear.
209 2006-08-31 Roger Sayle <roger@eyesopen.com>
212 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
213 NULL, otherwise use an advance_loc4 to adjust relative to the
215 (output_cfi) <DW_CFA_set_loc>: Update the current label.
216 (dwarf2out_switch_text_section): Reset the current label to avoid
217 using advance_loc4 over section boundaries.
219 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
222 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
223 r12 + SYMBOLIC_CONST.
225 2006-08-30 Richard Guenther <rguenther@suse.de>
227 * Makefile.in (see.o): Add $(EXPR_H) dependency.
229 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
231 PR rtl-optimization/27735
232 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
233 Add new argument to keep track of whether an irreducible region
234 was affected. All callers changed.
235 (fix_irreducible_loops): Removed.
236 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
237 flags were invalidated.
239 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
241 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
242 instead of SF operands.
243 (*fop_df_comm_sse): Likewise.
244 (*fop_df_comm_i387): Likewise.
245 (*fop_df_1_mixed): Likewise.
246 (*fop_df_1_sse): Likewise.
248 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
249 J"orn Rennecke <joern.rennecke@st.com>
251 PR tree-optimization/17506
252 * tree-ssa.c (warn_uninit): If warning about a location outside of
253 the current function, note where the variable was declared.
255 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
257 PR tree-optimization/28411
258 * double-int.c (double_int_div): Use double_int_divmod.
259 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
260 double_int_mod, double_int_smod, double_int_umod): New functions.
261 * double-int.h (double_int_divmod, double_int_sdivmod,
262 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
264 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
266 (get_computation_aff, get_computation_cost_at): Handle double_int
267 return type of constant_multiple_of.
269 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
272 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
273 an implicit conversion.
275 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
277 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
279 2006-08-27 Roger Sayle <roger@eyesopen.com>
281 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
284 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
286 * config/i386/crtfastmath.c: Fix a comment typo.
288 2006-08-26 Roger Sayle <roger@eyesopen.com>
290 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
291 temporary visit flags on CASE_LABEL_EXPRs.
292 * c-common.c (match_case_to_enum): Add function comment. Avoid
293 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
294 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
295 CASE_HIGH_SEEN for enumerated types. If the switch expression is
296 a constant, only warn if that constant value isn't handled.
298 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
301 * input.h (restore_input_file_stack): Declare.
302 (INPUT_FILE_STACK_BITS): Define.
303 * toplev.c (fs_p, input_file_stack_history,
304 input_file_stack_restored, restore_input_file_stack): New.
305 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
306 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
307 (pop_srcloc): Don't free old state of stack.
309 2006-08-26 David Edelsohn <edelsohn@gnu.org>
312 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
313 (PowerPC Type Attributes): New.
315 2006-08-26 Bob Wilson <bob.wilson@acm.org>
317 * config/xtensa/xtensa.c (function_arg_boundary): New.
318 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
320 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
321 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
323 2006-08-26 Jakub Jelinek <jakub@redhat.com>
326 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
329 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
331 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
332 (verify_local_live_at_start): Likewise.
334 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
337 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
338 omp_add_variable): Treat sizes as variable whenever not
341 2006-08-26 Richard Guenther <rguenther@suse.de>
344 * fold-const.c (fold_binary): Fold temporary to correct
345 type before constructing new comparison.
347 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
350 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
351 variable again if DECL_SEEN_IN_BIND_EXPR_P.
353 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
356 * c-decl.c (start_function): Don't try to process prototype
357 information from old declaration that isn't a function.
359 2006-08-25 Jan Hubicka <jh@suse.cz>
362 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
364 2006-08-25 Alan Modra <amodra@bigpond.net.au>
367 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
370 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
372 PR tree-optimization/16876
373 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
374 exit if PARM doesn't match VALUE.
376 2006-08-25 Bob Wilson <bob.wilson@acm.org>
378 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
379 literal_prefix directive.
380 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
381 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
382 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
384 2006-08-25 David Edelsohn <edelsohn@gnu.org>
387 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
388 predicate to general_operand. Add 0->y and I->r alternatives.
390 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
392 * doc/tm.texi: Fix a typo.
393 * predict.c: Fix comment typos.
395 2006-08-25 Nick Clifton <nickc@redhat.com>
397 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
398 assertions of "cpu" and "machine".
400 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
403 * tree-ssa-operands.c (access_can_touch_variable): Don't say
404 the access through a base which has an alias set of 0 cannot
407 2006-08-24 Bill Wendling <wendling@apple.com>
409 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
411 2006-08-24 Jan Hubicka <jh@suse.cz>
413 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
415 2006-08-24 Jan Hubicka <jh@suse.cz>
418 * cgraph.c: Fix comments.
419 (cgraph_varpool_mark_needed_node): Mark only variables not already
421 * cgraphunit.c: Update comments; include gt-cgraphunit.h
422 (cgraph_varpool_assembled_nodes_queue): New static variable.
423 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
424 (cgraph_varpool_output_debug_info): New function.
425 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
426 * Makefile.in: Add gt-cgraphunit.h
428 2006-08-24 Jan Hubicka <jh@suse.cz>
430 * predict.c (probability_reliable_p): New predicate.
431 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
432 (predict_loops): Do not predict loop exit with less than 2%
434 * basic-block.h (edge_probability_reliable_p,
435 br_prob_note_reliable_p): Declare.
436 * ia64.h (ia64_print_operand): Do not disable on-chip branch
437 prediction when static predictor is not reliable.
438 * rs6000.c (output_cbranch): Likewise.
440 2006-08-23 Stuart Hastings <stuart@apple.com>
443 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
444 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
446 2006-08-21 Geoffrey Keating <geoffk@apple.com>
449 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
450 complex values, nor for generic vector values.
452 2006-08-22 Richard Guenther <rguenther@suse.de>
455 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
456 parameter. Convert arguments to arithmetic expression to the
458 (analyze_scalar_evolution_1): Adjust caller.
460 2006-08-22 Jan Hubicka <jh@suse.cz>
462 Patch by Paolo Bonzini
463 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
466 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
468 PR tree-optimization/28003
469 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
470 before grouping aliases.
472 2006-08-22 Roger Sayle <roger@eyesopen.com>
474 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
475 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
477 2006-08-21 Jason Merrill <jason@redhat.com>
480 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
481 wrapper. Loop to handle nested wrappers.
482 (gimplify_bind_expr): Remove temp parameter.
483 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
484 and STATEMENT_LIST on the rhs.
485 (gimplify_statement_list): Voidify the STATEMENT_LIST.
486 (gimplify_expr): Pass pre_p to gimplify_statement_list.
487 (gimplify_target_expr): Remove special BIND_EXPR handling.
489 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
491 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
494 2006-08-21 Olivier Hainque <hainque@adacore.com>
496 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
497 Arrange for the temporary captures of components overlapping the lhs
498 to happen before the lhs is possibly cleared.
500 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
502 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
503 necessary places to pass the correct "number of registers" values
506 2006-08-20 Jan Hubicka <jh@suse.cz>
508 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
509 (create_name_tags): Instead of quadratic checking use hashtable.
510 * bitmap.h: Include hashtab.h.
511 (bitmap_hash): Declare.
512 * bitmap.c (bitmap_hash): New function.
514 2006-08-20 Jan Hubicka <jh@suse.cz>
516 PR rtl-optimization/28071
517 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
519 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
520 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
521 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
522 cgraph_decide_inlining_incrementally): Update use of
523 cgraph_check_inline_limits.
524 * cgraph.c (edge_hash, edge_eq): New function.
525 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
526 cgraph_edge_remove_caller, cgraph_node_remove_callees,
527 cgraph_remove_node): Maintain call site hash.
528 * cgraph.h (struct cgraph_node): Add call_site_hash.
529 (cgraph_set_call_stmt): New function.
531 2006-08-20 Jan Hubicka <jh@suse.cz>
533 PR rtl-optimization/28071
534 * reload1.c (reg_has_output_reload): Turn into regset.
535 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
536 choose_reload_regs, emit_reload_insns): Update to new
537 reg_has_output_reload.
539 2006-08-20 Jan Hubicka <jh@suse.cz>
542 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
544 * cgraphunit.c (cgraph_analyze_function): Don't do so.
546 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
549 * tree.c (handle_dll_attribute): Return early if not a
550 var or function decl.
552 2006-08-18 Joseph Myers <joseph@codesourcery.com>
555 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
556 alignment of SPE vector types.
558 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
560 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
562 2006-08-17 Jakub Jelinek <jakub@redhat.com>
565 * cgraph.h (struct cgraph_node): Remove externally_visible
567 * cgraphunit.c (process_function_and_variable_attributes): Set
568 local.externally_visible rather than externally_visible.
571 * c-common.c (handle_externally_visible_attribute): First look
572 at TREE_CODE and only if it is function or var decl, check for
573 non-public objects. Don't warn for DECL_EXTERNAL.
574 * cgraphunit.c (process_function_and_variable_attributes): Warn
575 if externally_visible attribute is used on non-public object.
577 2006-08-17 Jan Hubicka <jh@suse.cz>
579 PR tree-optimization/27865
580 * reload1.c (forget_marked_reloads): New function.
581 (forget_old_reloads_1): When data are passed, just mark the registers
583 (reload_as_needed): Use the new mechanizm.
585 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
588 * reload.h (reg_equiv_alt_mem_list): New declaration.
589 * reload1.c (reg_equiv_alt_mem_list): New definition.
590 (reload): Initialize it and release it.
591 (delete_output_reload): Use it.
592 * reload.c (push_reg_equiv_alt_mem): New function.
593 (find_reloads_toplev): Call it.
594 (find_reloads_address, find_reloads_address_1): Likewise.
595 (find_reloads_subreg_address): Likewise.
597 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
599 PR rtl-optimization/28489
600 * sched-ebb.c (begin_schedule_ready): Create basic block
602 (advance_target_bb): Skip empty blocks.
603 * haifa-sched.c (bb_note): Make global.
604 * sched-int.h (bb_note): Add prototype.
606 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
608 PR tree-optimization/27865
609 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
611 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
612 fold_used_pointer, pointer_used_p): New functions.
613 (analyze_scalar_evolution_1): Use fold_used_pointer.
614 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
615 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
618 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
621 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
622 or the INTEGER_CST. Fail on a CALL_EXPR.
623 (fold_offsetof): Pass new argument to fold_offsetof_1.
624 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
625 operand into an INDIRECT_REF.
626 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
628 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
630 PR gcov/profile/26570
631 * value-prof.c (static_values): Removed.
632 (tree_find_values_to_profile): Do not set static_values.
633 (find_values_to_profile): Do not free static_values.
634 * profile.c (instrument_values): Do not free the values.
635 (branch_prob): Free the values.
637 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
639 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
641 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
644 * c-typeck.c (build_component_ref): Combine qualifiers of
645 structure or union and field.
647 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
649 PR rtl-optimization/28071
650 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
651 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
652 * tree-into-ssa.c (struct dom_dfsnum): New.
653 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
655 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
656 compute_global_livein.
657 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
658 in phi nodes in the correct blocks.
660 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
662 PR tree-optimization/28364
663 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
665 (fold_affine_expr): New function.
666 (may_eliminate_iv): Use fold_affine_expr.
668 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
671 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
674 2006-08-16 Mike Stump <mrs@apple.com>
676 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
677 * doc/cppopts.texi (-MD): Likewise.
679 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
682 * c-common.c (handle_weak_attribute): Ignore and warn if
683 not a FUNCTION_ or VAR_DECL.
685 2006-07-15 Mike Stump <mrs@apple.com>
688 * c-parser.c (c_parser_typeof_specifier): Don't use
689 c_finish_expr_stmt, open code desired semantics instead.
691 2006-08-15 Nick Clifton <nickc@redhat.com>
693 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
694 fragment to tmake_file only if threads are enabled.
695 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
696 * config/i386/t-gthr-win32: New file. ... here.
698 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
701 * c-parser.c (c_parser_compound_statement_nostart): Reset
702 parser->error after each statement.
704 2006-08-15 Jakub Jelinek <jakub@redhat.com>
707 * omp-low.c (lower_omp_parallel): Convert t to
708 receiver_decl's type.
709 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
710 source before comparison.
713 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
714 to itype in assignment to oldival2.
716 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
720 * c-typeck.c (build_compound_expr): If the second expression
721 is an error mark, then just return an error mark instead of
722 creating a COMPOUND_EXPR.
724 2006-07-14 Mike Stump <mrs@apple.com>
726 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
728 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
730 * c-decl.c, var-tracking.c: Fix comment typos.
732 2006-08-14 Richard Sandiford <richard@codesourcery.com>
734 PR rtl-optimization/28634
735 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
736 for floating-point modes unless flag_unsafe_math_optimizations.
738 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
739 Andrew Pinski <pinskia@physics.uc.edu>
742 * tree.c (build_array_type): Unify array types with
743 unspecified index_type.
744 * c-decl.c (grokdeclarator): Make sure we do not modify a
745 unified incomplete array type.
746 * c-typeck.c (store_init_value): Create distinct type before
747 filling in the index type in an initializer from a compound
750 * c-decl.c (grokdeclarator): Remove code where we copy the
753 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
755 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
756 into account for TODO_dump_cgraph.
757 (TODO_update_ssa_no_phi): Likewise.
758 (TODO_update_ssa_full_phi): Likewise.
759 (TODO_update_ssa_only_virtuals): Likewise.
760 (TODO_remove_unused_locals): Likewise.
761 (TODO_set_props): Likewise.
762 (TODO_update_stmt_usage): Likewise.
764 2006-08-13 Dirk Mueller <dmueller@suse.de>
766 * c-common.c (strict_aliasing_warning): Fix formatting.
768 2006-08-13 Matthias Klose <doko@debian.org>
770 * doc/invoke.texi: Fix spelling errors.
772 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
774 PR rtl-optimization/23454
775 * reorg.c (relax_delay_slots): Update comment.
777 2006-08-11 Richard Guenther <rguenther@suse.de>
780 * simplify-rtx.c (simplify_const_relational_operation):
781 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
784 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
786 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
787 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
789 2006-08-10 Paul Brook <paul@codesourcery.com>
791 * final.c (final_scan_insn): Clear current_insn_predicate before
792 outputting inline asm.
794 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
796 PR tree-optimization/26197
797 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
798 get_ref_base_and_extent and overlap_subvar to add only relevant
799 subvars as may-aliases.
800 (add_may_alias_for_new_tag): New function, factored out of
802 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
803 with additional argument.
804 * tree-flow.h (new_type_alias): Takes additional argument.
806 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
808 * gcov.c (no_data_file): New flag.
809 (read_count_file): Set it if data file not present. Assume counts
811 (output_lines): Don't name the data file, if there wasn't one.
813 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
815 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
816 (rs6000_generate_compare): Tweak comments.
817 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
819 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
821 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
822 (var_debug_decl): New function.
823 (var_reg_set): Follow debug decl link. Add location even if
824 reg is already known to hold some other variable.
825 (var_mem_set): Follow debug decl link.
826 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
827 decl link. Delete other known locations of the variable part
829 (var_reg_delete, var_mem_delete): Delete other known locations
830 of the variable part if requested.
831 (same_variable_part_p): New function.
832 (add_stores): Select MO_COPY when appropriate.
833 (vt_initialize): Handle it.
834 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
835 known locations for MO_SET and MO_CLOBBER.
836 (find_variable_location_part): New function.
837 (set_variable_part, delete_variable_part): Use it.
838 (clobber_variable_part): New function.
839 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
842 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
844 PR tree-optimization/26969
845 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
846 with an empty list of PHIs.
848 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
852 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
855 2006-08-06 Andreas Schwab <schwab@suse.de>
857 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
858 string. Whitespace and comment fixup.
860 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
863 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
867 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
870 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
872 2006-08-04 Jan Hubicka <jh@suse.cz>
876 * reload.c (push_reload): Patch out the mismatching instruction;
878 (find_reload): Bail out if the instruction was patched out.
880 2006-08-04 Jan Hubicka <jh@suse.cz>
882 PR tree-optimization/24888
883 * tree-inline.c (expand_call_inline): Do not re-record variables.
884 (declare_inline_vars): Add variable to unexpanded_var_list.
886 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
887 Roger Sayle <roger@eyesopen.com>
889 PR rtl-optimization/26244
890 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
891 inner_const are negative or greater than or equal to the bitsize of
892 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
893 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
894 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
895 CONST0_RTX (mode) when the new shift count is greater than or equal to
896 to the bitsize of the object being shifted and XEXP (y, 0) has no side
899 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
901 * tree-cfg.c: Fix a comment typo.
903 2006-08-03 Mark Mitchell <mark@codesourcery.com>
906 * varasm.c (output_constant): Give the front end another chance to
907 expand constants, after stripping NOPs.
909 2006-08-03 Jan Hubicka <jh@suse.cz>
911 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
914 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
916 PR tree-optimization/27770
917 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
918 declaration removed (moved to tree-flow.h).
919 (vect_can_force_dr_alignment_p): Likewise.
920 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
921 (moved from tree-vectorizer.h).
922 (vect_can_force_dr_alignment_p): Likewise.
923 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
924 from outside the vectorizer - in particular from cgraph stage.
925 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
926 the alignment of global arrays when -fsection-anchors is enabled.
927 * cgraphunit.c (cgraph_increase_alignment): New function.
928 (cgraph_optimize): Call cgraph_increase_alignment.
930 2006-08-03 David Edelsohn <edelsohn@gnu.org>
933 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
934 not reload a SPE symbol_ref into a lo_sum address.
936 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
939 * dwarf2out.c (prune_unused_types_prune): Move call to
940 prune_unused_types_update_strings to cover the parent DIE also.
942 2006-08-02 Jan Hubicka <jh@suse.cz>
944 PR gcov/profile/28480
945 * tree-cfg.c (change_bb_for_stmt): New function.
946 (tree_merge_blocks, tree_split_blocks): Use it.
948 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
954 * toplev.c (compile_file): Return early on errorcount or sorrycount.
955 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
956 (cgraph_optimize): Likewise.
958 2006-08-01 Stuart Hastings <stuart@apple.com>
960 * rtl.h (UINTVAL) New.
961 * config/rs6000/rs6000.c (SMALL_INT) Use it.
962 * testsuite/gcc.dg/20060801-1.c: New.
964 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
967 * c-typeck.c (build_external_type): Mark used enum types.
968 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
970 (gen_subprogram_die): Whitespace fix.
972 2006-08-01 Jan Hubicka <jh@suse.cz>
974 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
975 bitmap when not needed.
976 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
979 2006-08-01 Dirk Mueller <dmueller@suse.de>
981 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
983 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
985 * Makefile.in: Revert part of previous patch:
986 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
989 2006-07-30 Eric Christopher <echristo@apple.com>
992 * doc/extend.texi (i386 Variable Attributes): Add anchor.
993 (PowerPC Variable Attributes): New section.
995 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
997 PR target/28126 (partial fix)
998 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1000 2006-07-28 Jan Hubicka <jh@suse.cz>
1002 PR rtl-optimization/28071
1003 * cfgrtl.c (rtl_delete_block): Free regsets.
1004 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1006 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1008 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1009 and variables used in dependencies.
1011 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1013 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1014 %fs for -mcmodel=kernel.
1015 (stack_tls_protect_test_di): Likewise.
1017 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1019 * Makefile.in: Use mkinstalldirs.
1021 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1024 * opts-common.c (prune_options): Skip joined switches.
1026 2006-07-27 Jan Hubicka <jh@suse.cz>
1028 PR rtl-optimization/28071
1029 * cselib.c (cselib_process_insn): Don't remove useless values too
1030 often for very large hashtables.
1032 2006-07-27 Jan Hubicka <jh@suse.cz>
1034 PR rtl-optimization/28071
1035 * global.c (greg_obstack): New obstack.
1036 (allocate_bb_info): Use it.
1037 (free_bb_info): Likewise.
1038 (modify_reg_pav): Likewise.
1040 2006-07-27 Roger Sayle <roger@eyesopen.com>
1042 * builtins.c (fold_fixed_mathfn): When long and long long are the
1043 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1044 functions to their lceil*, lfloor*, lround* and lrint* forms.
1046 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1049 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1051 (rev_branch_insn): Likewise.
1053 2006-07-27 Jan Hubicka <jh@suse.cz>
1055 PR rtl-optimization/28071
1056 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1057 (reg_set_in_bb, max_reg_computed): New static variables.
1058 (regmove_optimize): Free the new array.
1059 (fixup_match_1): Update call of reg_is_remote_constant_p.
1061 2006-07-26 Jan Hubicka <jh@suse.cz>
1063 PR tree-optimization/27882
1064 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1066 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1068 (cgraph_analyze_compilation_unit): Likewise.
1069 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1070 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1071 (cgraph_early_inlinine): Make order garbage collected.
1072 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1074 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1076 * dbxout.c (output_types_sort): Add a comment.
1077 (output_used_types): Free the VEC.
1079 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1081 * function.c (reorder_fix_fragments): Delete.
1082 (reorder_blocks): Don't call it.
1083 (reorder_blocks_1): Put all subblocks under the origin block.
1085 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1087 PR rtl-optimization/27907
1088 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1091 2006-07-25 Roger Sayle <roger@eyesopen.com>
1094 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1095 bar(x) check that bar's result type can represent all the values of T.
1097 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1099 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1101 2006-07-25 Nick Clifton <nickc@redhat.com>
1103 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1104 size_lookup[] array.
1105 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1106 (ggc_pch_count_object): Likewise.
1107 (ggc_pch_alloc_object): Likewise.
1108 (ggc_pch_write_object): Likewise.
1109 (init_ggc): Do not attempt to initialize entries in the
1110 size_lookup[] array for objects whose size is greater than than
1111 the length of the array.
1113 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1115 * dbxout.c (output_used_types_helper): Push queued types
1117 (output_types_sort): New.
1118 (output_used_types): Collect used types on a VEC and sort them
1121 2006-07-24 Richard Guenther <rguenther@suse.de>
1124 * cgraph.c (cgraph_remove_node): Do not check if dumps
1126 * cgraphunit.c (cgraph_optimize): Likewise.
1128 2006-07-24 Jan Hubicka <jh@suse.cz>
1130 PR rtl-optimization/28071
1131 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1132 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1133 splitting before first stmt.
1135 2006-07-24 Jan Hubicka <jh@suse.cz>
1137 PR rtl-optimization/28071
1138 * ipa-inline.c (update_caller_keys): Remove edges that
1139 are no longer inline candidates.
1141 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1144 * dbxout.c (output_used_types_helper, output_used_types): New.
1145 (dbxout_symbol): Call output_used_types.
1147 2006-07-23 Jan Hubicka <jh@suse.cz>
1151 * cgraph.c (cgraph_varpool_nodes): Export.
1152 (decide_is_variable_needed): Ignored "used" attribute in
1153 unit-at-a-time mode.
1154 * cgraph.h (cgraph_varpool_nodes): Declare.
1155 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1156 unit-at-a-time mode.
1158 2006-07-23 Roger Sayle <roger@eyesopen.com>
1161 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1162 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1163 the __gthrw form of thr_keycreate.
1164 (__gthread_key_delete): Silence the unused argument warning.
1166 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1169 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1170 Cache the last found '\0' marker to avoid quadratic behavior.
1172 2006-07-23 Jan Hubicka <jh@suse.cz>
1174 * i386.md (subsi_3_zext): Fix output template.
1176 2006-07-21 Mike Stump <mrs@apple.com>
1178 * doc/invoke.texi (C++ Dialect Options): Note that
1179 -fvisibility-inlines-hidden doesn't affect explicitly
1180 instantiationed inline methods.
1182 2006-07-20 Roger Sayle <roger@eyesopen.com>
1184 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1185 if the target assembler is GNU binutils' gas.
1186 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1187 whether to pass GNU gas or native as command line options.
1189 2006-07-20 Jason Merrill <jason@redhat.com>
1191 * tree.c (remove_attribute): New fn.
1192 * tree.h: Declare it.
1194 2006-07-20 Paul Brook <paul@codesourcery.com>
1197 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1198 they are invalidated by this instruction.
1200 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1203 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1205 2006-07-20 Eric Christopher <echristo@apple.com>
1208 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1210 2006-07-19 Eric Christopher <echristo@apple.com>
1212 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1213 Rewrite dependencies for libgcc_s.1.dylib.
1215 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1217 * except.c (duplicate_eh_regions_1): Clear next_peer.
1219 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1221 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1222 -mlongcall does not guarantee all calls will be long.
1223 * doc/extend.texi (long_call/short_call): Document that longcall
1224 does not guarantee a long call will be used.
1225 (longcall/shortcall): Likewise.
1227 2006-07-18 Roger Sayle <roger@eyesopen.com>
1230 * expmed.c (expand_shift): Additionally check that the shift_cost
1231 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1232 before implementing a LSHIFT_EXPR as a sequence of additions.
1233 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1234 middle-end that DImode shifts need to be synthesized by expand.
1236 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1239 * tree-ssa-operands.c (access_can_touch_variable): Update
1241 Return true if ALIAS is .GLOBAL_VAR.
1243 2006-07-18 David Daney <ddaney@avtrex.com>
1245 * gcc.c (display_help): Fix typo in help text.
1247 2006-07-18 Olivier Hainque <hainque@adacore.com>
1249 * tree.h (categorize_ctor_elements): Adjust prototype and add
1250 descriptive comment, both in accordance with the interface change
1252 * varasm.c (constructor_static_from_elts_p): New function.
1253 Whether a constructor node is a valid static constant initializer
1254 if all its elements are.
1255 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1256 * output.h: Declare it.
1257 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1258 is a valid constant initializer instead of computing the number of
1259 non-constant elements. Use constructor_static_from_elts_p for this
1260 purpose. Replace the head comment with an indication that this is a
1261 helper for categorize_ctor_elements.
1262 (categorize_ctor_elements): Same interface change as for the _1
1263 helper. Former head comment from this helper moved here, adjusted to
1264 account for the interface changes.
1265 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1266 (all_zeros_p): Likewise.
1267 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1268 static versions of the constructor from the categorize_ctor_elements
1269 return value instead of the formerly computed number of non-constant
1272 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1274 * configure: Regenerate.
1275 * Makefile.in (build_libsubdir): New configure substitution
1276 (build_libobjdir): New variable.
1277 (BUILD_LIBIBERTY): Use it.
1279 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1282 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1284 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1287 * c-common.c (handle_weakref_attribute): Ignore attribute in
1288 the same conditions the alias attribute is ignored.
1290 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1292 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1293 (dbxout_begin_prologue): Increment scope_labelno.
1295 2006-07-17 Richard Henderson <rth@redhat.com>
1298 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1301 2006-07-17 Roger Sayle <roger@eyesopen.com>
1302 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1304 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1305 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1306 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1307 functions such as sbrk, write, etc.. Add function prototypes.
1308 Convert function declarations from K&R to ISO C. Cast pointers
1309 to "long" and "unsigned long" instead of "int" and "unsigned int".
1310 Convert tokens following #endif into comments.
1312 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1314 * invoke.texi: Remove mention of f77; Reformat table for
1315 inline parameter options correctly; mention that -malign-double
1316 is default on x86-64 targets.
1318 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1320 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1321 (convert_affine_scev, chrec_convert_aggressive): Use
1322 avoid_arithmetics_in_type_p. Do not check for the subtypes
1325 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1328 * optabs.c (expand_doubleword_shift): Wrap the call to
1329 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1331 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1334 * optabs.c (expand_binop): Pass next_methods rather than methods
1335 to expand_doubleword_shift.
1337 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1340 * tree.h (dump_addr): Declare.
1341 * print-tree.c (dump_addr): New function.
1342 (print_node_brief, print_node): Use it.
1343 * print-rtl.c (print_rtx): Likewise.
1344 * common.opt (-fdump-noaddr): New option.
1345 * doc/invoke.texi (-fdump-noaddr): Document.
1346 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1347 (ve_info_hash): Likewise.
1349 2006-07-13 Andrew Haley <aph@redhat.com>
1351 PR tree-optimization/19505
1352 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1353 edge leaving this block, make sure that the destination of this
1354 block has only one predecessor.
1356 2006-07-17 Richard Guenther <rguenther@suse.de>
1358 PR tree-optimization/28238
1359 * tree-inline.c (copy_bb): Check if we produced valid
1360 gimple copying and substituting a stmt. If not, gimplify
1363 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1365 * optabs.c (maybe_encapsulate_block): New function extracted from...
1366 (emit_libcall_block): ...here. Invoke it on the block of insns to
1367 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1368 (emit_no_conflict_block): Likewise.
1370 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1372 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1374 2006-07-15 Roger Sayle <roger@eyesopen.com>
1376 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1377 a new NOP_EXPR case of the switch statement.
1379 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1382 * stor-layout.c (place_field): Take the bit field with
1383 an excessive size into account in the ms-bitfiled case.
1386 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1387 the previous bit field.
1389 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1392 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1394 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1396 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1397 signal frames correctly even when the signal was installed with
1400 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1402 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1403 (dbxout_function_end): Use local label LFBB. Remove hook
1405 (dbxout_source_line): Use local label LFBB.
1406 (dbxout_block): Likewise.
1407 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1408 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1409 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1410 and DBX_OUTPUT_NFUN.
1412 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1414 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1416 2006-07-13 Jan Hubicka <jh@suse.cz>
1418 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1420 * output.h (align_variable): Declare.
1421 * varasm.c (align_variable): Export.
1422 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1423 when basic block changed.
1425 2006-07-13 Nick Clifton <nickc@redhat.com>
1427 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1428 walking the LOG_LINKS chain.
1430 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1432 * doc/invoke.texi (C++ Dialect Options): Explain difference
1433 between -fvisibility-inlines-hidden and setting hidden
1434 visibility explicitly.
1436 2006-07-12 Eric Christopher <echristo@apple.com>
1438 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1439 (stmp-lipo): Depend on libgcc.a.
1441 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1443 * tree.c: Fix a comment typo.
1445 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1447 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1449 (umulhisi3_r): Likewise.
1451 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1454 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1455 x < 19, vs wchar_t support.
1457 2006-07-12 Nick Clifton <nickc@redhat.com>
1459 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1460 instead of -isa=sh4.
1462 2006-07-12 Mike Stump <mrs@apple.com>
1464 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1466 2006-07-10 Eric Christopher <echristo@apple.com>
1468 * config/t-slibgcc-darwin: Rewrite.
1470 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1473 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1476 2006-07-08 Matthias Klose <doko@debian.org>
1478 * doc/sourcebuild.texi: Fix typo.
1480 2006-07-07 Mike Stump <mrs@apple.com>
1482 * toplev.c (process_options): Don't give -ffunction-sections may
1483 affect debugging warning for Mach-O.
1485 2006-07-07 James E Wilson <wilson@specifix.com>
1487 * config/mips/mips.md (cpu): Add sb1a.
1488 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1489 addition to sb1. Adjust comments to clarify SB-1A differences from
1491 (ir_sb1a_load): New. Modify bypasses to use it.
1492 (ir_sb1a_simple_alu): Likewise.
1493 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1494 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1495 (mips_issue_rate): Add PROCESSOR_SB1A.
1496 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1497 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1498 (TARGET_SB1): Add PROCESSOR_SB1A check.
1499 (TUNE_SB1): Likewise.
1501 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1502 * config/mips/mips.c (mips_store_data_bypass_p): New.
1503 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1504 store_data_bypass_p.
1506 2006-07-08 Paul Brook <paul@codesourcery.com>
1509 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1511 2006-07-07 Richard Guenther <rguenther@suse.de>
1514 * tree.h (build_one_cst): Declare.
1515 * tree.c (build_one_cst): New function.
1516 * tree-ssa-math-opts.c (get_constant_one): Remove.
1517 (insert_reciprocals): Use build_one_cst.
1518 * fold-const.c (fold_plusminus_mult): Likewise.
1520 2006-07-07 Roger Sayle <roger@eyesopen.com>
1522 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1523 * cfgloopanal.c (dump_graph): Likewise.
1524 * dojump.c (discard_pending_stack_adjust): Likewise.
1525 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1527 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1528 * function.c (finalize_block_changes): Likewise.
1529 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1530 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1531 * rtl.c (dump_rtx_statistics): Likewise.
1532 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1534 * varray.c (dump_varray_statistics): Likewise.
1535 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1536 decode_decimal64, encode_decimal128, decode_decimal128,
1537 decimal_real_to_decimal): Likewise.
1539 2006-07-07 Richard Guenther <rguenther@suse.de>
1541 PR tree-optimization/28187
1542 * tree-vrp.c (vrp_operand_equal_p): New function.
1543 (vrp_bitmap_equal_p): Likewise.
1544 (update_value_range): Use them to compare old and new
1547 2006-07-06 Roger Sayle <roger@eyesopen.com>
1549 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1550 a default case to switch statement to silence compiler warnings.
1552 2006-07-06 Roger Sayle <roger@eyesopen.com>
1555 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1556 the configured assembler supports the x87's ffreep mnemonic.
1557 * configure: Regenerate.
1558 * config.in: Regenerate.
1560 * config/i386/i386.c (output_387_ffreep): New function.
1561 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1562 (output_387_reg_move): Likewise.
1564 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1566 Port to hosts whose 'sort' and 'tail' implementations
1567 treat operands with leading '+' as file names, as POSIX
1568 has required since 2001. However, make sure the code still
1569 works on pre-POSIX hosts.
1570 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1571 which says you should use "tail -c +N" rather than "tail +Nc".
1572 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1574 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1576 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1579 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1582 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1583 PRE_{INC,DEC} of TFmode.
1585 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1586 Alan Modra <amodra@bigpond.net.au>
1589 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1592 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1595 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1596 Remove duplicate gtu.
1598 2006-07-05 Jason Merrill <jason@redhat.com>
1602 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1603 * c-common.c (handle_packed_attribute): So don't copy it here.
1604 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1606 2006-07-05 Mike Stump <mrs@apple.com>
1608 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1610 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1613 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1615 2006-07-05 Richard Guenther <rguenther@suse.de>
1618 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1619 TARGET_SSE2 targets if using SSE math.
1620 (*absdf2_1): Likewise.
1622 2006-07-05 Richard Guenther <rguenther@suse.de>
1624 PR tree-optimization/28162
1625 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1626 make sure to convert the operands to the correct type.
1628 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1630 PR tree-optimization/28218
1632 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1633 to calculate and free the dominator information.
1635 2006-07-04 Peter O'Gorman <peter@pogma.com>
1637 * mklibgcc.in: chmod 644 before ranlib during install.
1639 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1640 J"orn Rennecke <joern.rennecke@st.com>
1642 * configure.ac (.eh_frame data check): Use diff -b.
1644 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1647 * Makefile.in (BUILD_RTL): Add build/vec.o.
1648 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1649 (build/genextract): Delete.
1650 (build/genautomata): Likewise.
1652 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1655 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1656 128-bit IBM long doubles for ABI_V4.
1658 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1660 * tree.c (range_in_array_bounds_p): New predicate.
1661 * tree.h (range_in_array_bounds_p): Declare it.
1662 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1663 return a less conservative answer.
1664 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1665 and flag 'is_group'.
1666 (IS_ELEMENT_FOR_GROUP): New macro.
1667 (FOR_EACH_ACTUAL_CHILD): Likewise.
1668 (next_child_for_group): New helper function.
1669 (can_completely_scalarize_p): Take into account groups.
1670 (sra_hash_tree): Handle RANGE_EXPR.
1671 (sra_elt_eq): Likewise.
1672 (lookup_element): Be prepared for handling groups.
1673 (is_valid_const_index): Delete.
1674 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1675 instead of is_valid_const_index.
1676 <ARRAY_RANGE_REF>: New case.
1677 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1678 is_valid_const_index.
1679 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1680 (scan_dump): Dump info for groups too.
1681 (decide_instantiation_1): Likewise.
1682 (decide_block_copy): Assert that the element is not a group.
1683 Propagate decision to groups.
1684 (generate_one_element_ref): Handle RANGE_EXPR.
1685 (mark_no_warning): Iterate over actual childs.
1686 (generate_copy_inout): Likewise.
1687 (generate_element_copy): Likewise.
1688 (generate_element_zero): Likewise.
1689 (generate_element_init_1): Likewise.
1690 (dump_sra_elt_name): Handle RANGE_EXPR.
1692 2006-07-03 Roger Sayle <roger@eyesopen.com>
1694 PR tree-optimization/26251
1695 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1696 (thread_block): When optimizing for size refuse to thread jumps
1697 that would require duplication of blocks other than redirection
1700 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1702 * configure.ac: Fix thinko in previous check-in.
1703 * configure: Regenerate.
1705 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1708 * configure.ac (for lang...): Simplify nesting of conditionals.
1709 Test subdir_requires for non-enabled languages. Move processing
1710 of lang_opt_files and lang_tree_fiels below that test.
1711 * configure: Regenerate.
1712 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1714 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1716 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1718 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1720 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1723 2006-06-29 Jason Merrill <jason@redhat.com>
1730 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1731 * c-common.c (c_determine_visibility): Handle it here.
1732 * c-decl.c (finish_decl): Call c_determine_visibility for
1734 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1736 * varasm.c (default_assemble_visibility): Likewise.
1737 * c-common.c (handle_visibility_attribute): Complain about trying
1738 to give visibility to an already defined class, or trying to change
1739 declared visibility. Always attach the attribute.
1744 * attribs.c (decl_attributes): Ignore type-in-place attributes
1745 once the type has been defined.
1747 2006-06-29 Roger Sayle <roger@eyesopen.com>
1750 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1751 to indicate the cpplib has issued an error message for us.
1753 2006-06-29 Asher Langton <langton2@llnl.gov>
1756 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1757 insert a label at the end of an function under Mach-O.
1759 2006-06-29 Eric Christopher <echristo@apple.com>
1760 Evan Cheng <evan.cheng@apple.com>
1762 * predicates.md (vector_all_ones_operand): New.
1763 (nonimmediate_or_sse_const_operand): Ditto.
1764 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1765 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1766 (standard_sse_mode_p): Ditto.
1767 (standard_sse_constant_p): Add case for -1 vector.
1768 (ix86_expand_vector_move): Try to use.
1769 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1770 Call standard_sse_constant_opcode.
1771 (*movv4sf_internal): Ditto.
1772 (*movv2df_internal): Ditto.
1774 2006-06-29 Roger Sayle <roger@eyesopen.com>
1776 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1777 of XEXP to extract the operands of a MATCH_CODE rtx.
1779 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1781 * tree.c (tree_size): Do not waste tail padding in
1782 struct tree_string and make the size be the same as
1783 build_string will generate.
1785 2006-06-28 Jason Merrill <jason@redhat.com>
1788 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1789 may_aliases already in the tag's annotations to the bitmap.
1791 2006-06-28 Roger Sayle <roger@eyesopen.com>
1793 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1795 2006-06-28 Roger Sayle <roger@eyesopen.com>
1797 * genpreds.c (generate_switch_p): New function.
1798 (add_mode_tests): Push the new mode test down inside an AND expr
1799 if this allows the switch-suitable MATCH_CODE to be near the root.
1800 (write_match_code_switch): New function to write a MATCH_CODE as
1802 (write_predicate_stmts): New function to write a predicate RTX
1803 expression as a sequence of statements.
1804 (write_one_predicate_function): Use write_predicate_stmts.
1805 (write_tm_constrs_h): Likewise.
1807 2006-06-26 Fred Fish <fnf@specifix.com>
1809 * config/mips/t-sb1: New file.
1810 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1813 2006-06-26 DJ Delorie <dj@redhat.com>
1815 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1817 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1818 Jayant Sonar <jayants@kpitcummins.com>
1819 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1821 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1822 (subsi3, subsi3_1, subsi3_2): New.
1823 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1824 * config/m32c/mov.md (SI mov peephole): New.
1825 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1826 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1828 2006-06-26 Olivier Hainque <hainque@adacore.com>
1830 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1831 a CALL_EXPR target function declaration.
1833 2006-06-26 Richard Guenther <rguenther@suse.de>
1835 * tree.c (build_string): Do not waste tail padding in
1838 2006-06-26 Richard Guenther <rguenther@suse.de>
1840 * ggc-page.c (init_ggc): Add missing element to size_lookup
1844 2006-06-23 Richard Guenther <rguenther@suse.de>
1846 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1847 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1848 alignment requests instead. Add verification code.
1849 Add struct tree_function_decl and struct tree_binfo size to
1850 extra_order_size_table. Add missing element to size_lookup
1853 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1856 * fold-const.c (const_binop): Be prepared for self returning zero.
1857 Simplify code handling complex values.
1859 2006-06-24 Olivier Hainque <hainque@adacore.com>
1861 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1862 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1865 2006-06-24 Olivier Hainque <hainque@adacore.com>
1867 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1868 ARRAY_REF, so have the callback called for the low bound expression.
1870 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1872 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1873 * c-typeck.c (c_common_type): Disallow operations on decimal float
1874 types and other float types.
1875 * convert.c (convert_to_real): Don't ignore conversions involving
1876 decimal float types.
1878 2006-06-23 Olivier Hainque <hainque@adacore.com>
1880 * tree.c (max_int_size_in_bytes): New function, inspired from
1881 code in function.c:assign_temp.
1882 * tree.h (max_int_size_in_bytes): Declare.
1883 * function.c (assign_temp): Use it.
1884 * gimplify.c (create_tmp_var): Relax the assertions on the type
1885 properties, not mandating constant size any more.
1886 (force_constant_size): New static function.
1887 (gimple_add_tmp_var): Use it, forcing variable size to a
1888 constant upper bound if it is not constant on entry.
1890 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1893 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1894 for initialization and setting of one_only flag to ...
1895 (i386_pe_encode_section_info): ...here.
1896 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1897 Recheck that the symbol has not been defined.
1899 2006-06-23 Richard Guenther <rguenther@suse.de>
1901 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1902 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1903 alignment requests instead. Add verification code.
1904 Add struct tree_function_decl and struct tree_binfo size to
1905 extra_order_size_table. Add missing element to size_lookup
1908 2006-06-22 Roger Sayle <roger@eyesopen.com>
1909 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1912 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1913 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1915 2006-06-23 Ben Elliston <bje@au.ibm.com>
1917 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1918 negate dn -- manipulate it directly.
1920 2006-06-22 Roger Sayle <roger@eyesopen.com>
1921 Steven Bosscher <stevenb.gcc@gmail.com>
1924 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1925 generated by gen_move_insn to add REG_LABEL notes if necessary.
1927 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1929 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1930 (leaf_entry): Remove use of MIN_ESA.
1932 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1934 PR rtl-optimization/28121
1935 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1938 2006-06-21 DJ Delorie <dj@redhat.com>
1940 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1942 (mulhisi3_r): Likewise.
1944 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1947 * coverage.c (coverage_counter_alloc): Leave the index type
1949 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1952 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1954 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1955 section from the "Options for Code Generation Conventions".
1957 2006-06-21 Richard Henderson <rth@redhat.com>
1961 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1963 (global_symbolic_operand): Allow weak symbols, even if local_p.
1965 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1967 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1968 (find_interesting_uses_address): Punt if above function returns true.
1970 2006-06-21 Richard Guenther <rguenther@suse.de>
1972 * configure: Regenerated.
1974 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1976 * config/mips/mips.c (function_arg): Where one part of a
1977 complex argument is in registers and the other part in the stack,
1978 return a REG not a PARALLEL.
1980 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1982 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1983 when cross-compiling. Do not substitute libstdcxx_incdir.
1984 * configure: Regenerated.
1986 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1988 * varasm.c (mergeable_string_section): Check for embedded NULs and
1989 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1990 rather than TREE_STRING_LENGTH bytes.
1992 2006-06-21 Richard Guenther <rguenther@suse.de>
1994 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1995 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1998 2006-06-21 Richrad Guenther <rguenther@suse.de>
2000 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2001 Limit iteration over the dominators.
2003 2006-06-20 Roger Sayle <roger@eyesopen.com>
2005 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2006 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2008 2006-06-20 Richard Guenther <rguenther@suse.de>
2009 Michael Matz <matz@suse.de>
2011 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2013 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2014 * et-forest.h (et_free_pools): Prototype new function.
2015 * et-forest.c (et_free_tree_force): Free parent occurrence.
2016 (et_free_pools): New function.
2017 * dominance.c (free_dominance_info): Free et-forest alloc
2020 2006-06-20 Roger Sayle <roger@eyesopen.com>
2022 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2023 integer modes, attempt to directly construct an integer constant.
2025 * fold-const.c (native_encode_vector): Determine the size of each
2026 element from the vector type instead of the first vector element.
2028 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2029 if all of its elements/components are constant.
2030 (build_constructor_from_list): Likewise.
2032 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2034 PR tree-optimization/27331
2035 * tree-data-ref.c (free_data_ref): New function.
2036 (create_data_ref): Fail if the data reference has unknown access
2038 (free_data_refs): Use free_data_ref.
2040 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2043 * tree-inline.c (setup_one_parameter): Strip useless
2044 type conversion before adding it to the IR.
2045 (declare_return_variable): Likewise.
2047 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2050 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2052 2006-06-19 Mike Stump <mrs@apple.com>
2054 * tree.c (variably_modified_type_p): VM arguments don't make the
2057 2006-06-19 Richard Guenther <rguenther@suse.de>
2059 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2060 type conversions after folding.
2062 2006-06-19 Richard Guenther <rguenther@suse.de>
2064 * ggc-page.c (extra_order_size_tab): Add entries with
2065 size of struct function and basic_block.
2066 (size_lookup): Extend to cover sizes up to 511.
2067 (ggc_alloc_stat): Adjust user.
2068 (ggc_pch_count_object): Likewise.
2069 (ggc_pch_alloc_object): Likewise.
2070 (ggc_pch_write_object): Likewise.
2072 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2074 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2075 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2078 2006-06-19 Denis Chertykov <denisc@overta.ru>
2080 * config/avr/libgcc.S : Correct my wrong previous commit.
2082 2006-06-19 Roger Sayle <roger@eyesopen.com>
2085 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2086 have stripped a SUBREG from the shift count, so we may need to
2087 convert_to_mode back to the type's mode before calling make_tree.
2088 Use new_amount instead of amount to avoid expanding a tree twice.
2090 2006-06-19 Richard Guenther <rguenther@suse.de>
2093 * fold-const.c (operand_equal_p): Check if the argument types
2094 have the same precision before stripping NOPs.
2096 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2098 Fix PR tree-optimization/27341
2099 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2101 * tree-complex.c (pass_lower_complex): Update SMT usage.
2103 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2105 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2106 Add a new alternative to the constraint strings. Add move of
2107 operand 1 to 3 to the splitter definition.
2108 ("doloop_si_long"): Second contraint alternative removed.
2110 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2112 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2113 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2115 (AVR_HAVE_MOVW) Define.
2116 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2117 (ASM_SPEC): Add avr25.
2118 (LINK_SPEC): Add avr25.
2119 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2120 (base_arch_s): Add new member 'have_movw_lpmx'.
2121 (avr_arch_types): Init 'have_movw_lpmx'.
2122 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2123 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2124 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2125 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2126 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2128 (avr_file_start): Do not output '.arh' derective.
2129 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2130 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2131 * config/avr/avr.md (mcu_enhanced): Delete.
2132 (mcu_have_movw): Define.
2133 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2134 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2135 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2136 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2137 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2138 attiny861 and at86rf401 devices.
2140 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2142 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2145 2006-06-17 Karl Berry <karl@gnu.org>
2147 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2148 doc/gccint.texi, doc/install.texi (@dircategory): Use
2149 "Software development" instead of "Programming", following
2150 the Free Software Directory.
2152 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2154 * config/i386/i386.c (legitimate_tls_address)
2155 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2156 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2157 (*tls_dynamic_gnu2_combine_64): Likewise.
2159 2006-06-16 Richard Guenther <rguenther@suse.de>
2162 * fold-const.c (negate_expr_p): Do not introduce undefined
2163 overflow in negating INTEGER_CSTs.
2164 (fold_negate_expr): Rename from negate_expr. Revert last
2165 change for folding BIT_NOT_EXPR. Change semantics to
2166 return NULL_TREE for non-simplified negations. Do not
2167 strip type conversions and unify type handling.
2168 (negate_expr): New function, wrap around fold_negate_expr
2169 but ensure building a tree always. Strip type conversions
2170 here, fold to result type.
2171 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2173 2006-06-16 Roger Sayle <roger@eyesopen.com>
2176 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2177 that (would) return their results in stack registers.
2179 2006-06-16 Michael Matz <matz@suse.de>
2180 Richard Guenther <rguenther@suse.de>
2182 * fold-const.c (fold_truthop): Only return new tree node if
2183 we canonicalized something.
2185 2006-06-16 Richard Guenther <rguenther@suse.de>
2187 * function.h (enum function_frequency): Move declaration
2188 out of struct function.
2189 (struct function): Move bool fields and the enum to the bitfield
2190 section. Reorder elements to avoid padding. Remove unused
2191 fields left over from the RTL inliner removal.
2192 * function.c (free_after_compilation): Do not zero removed fields.
2193 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2194 (ipa-type-escape.o): Likewise.
2196 2006-06-16 Richard Guenther <rguenther@suse.de>
2198 * cgraph.h (struct cgraph_local_info): Turn bool elements
2200 (struct cgraph_node): Likewise.
2201 (struct cgraph_varpool_node): Likewise.
2203 2006-06-15 Richard Guenther <rguenther@suse.de>
2205 * fold-const.c (fold_truth_not_expr): Rename from
2206 invert_truthvalue. Give it fold_* semantics to avoid
2208 (invert_truthvalue): New function. Wrapper around
2209 fold_truth_not_expr.
2210 (optimize_minmax_comparison): Avoid creating garbage.
2211 (fold_unary): Use fold_truth_not_expr for folding
2213 (fold_ternary): Replace uses of invert_truthvalue with
2214 fold_truth_not_expr where applicable.
2215 * tree.h (fold_truth_not_expr): Prototype.
2217 2006-06-16 Richard Guenther <rguenther@suse.de>
2219 PR tree-optimization/27781
2220 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2221 * ipa-pure-const.c (target.h): Include.
2222 (analyze_function): Do not analyze functions that do not
2225 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2228 * tree-dfa.c (referenced_vars_dup_list): Remove.
2229 (find_referenced_vars): Remove assert.
2230 (referenced_var_check_and_insert): Replace dup list with assert.
2231 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2232 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2234 2006-06-15 Richard Guenther <rguenther@suse.de>
2236 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2237 extra unused identifiers if not dumping.
2238 (create_variable_info_for): Likewise.
2240 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2242 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2243 (derive_constant_upper_bound): Derive more precise upper bound in
2244 common cases. Return type changed to double_int.
2245 (record_estimate): Reflect the changed return type of
2246 derive_constant_upper_bound.
2247 * double-int.c (double_int_zext, double_int_sext): Fix.
2249 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2251 * configure.ac (CFLAGS): Get them from the toplevel or from the
2252 configure invocation.
2253 * configure: Regenerate.
2254 * Makefile.in (CFLAGS): Substitute value provided by configure.
2256 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2259 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2260 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2261 rather than calling add_stmt on it.
2262 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2264 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2267 * reload1.c (reload): Remove registers returned by update_eliminables
2268 from used_spill_regs.
2270 2006-06-13 DJ Delorie <dj@redhat.com>
2272 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2274 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2276 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2277 html__strip_dir, html__mkdir_p. Enhance install-html target.
2278 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2279 * configure: Regenerate.
2281 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2283 * fold-const.c (fold_cond_expr_with_comparison): Check for
2284 Objective-C++ as language in deciding COND_EXPR transformation.
2286 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2289 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2290 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2291 * config/sh/lib1funcs.h (SL, SL1): Define.
2292 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2293 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2294 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2295 (OBJS_Os_4_200): New variable.
2296 ($(T)libgcc-Os-4-200.a): Use it.
2297 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2298 when dividing 1 and/or by 0.
2300 2006-06-13 Roger Sayle <roger@eyesopen.com>
2302 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2303 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2304 * configure: Regenerate.
2306 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2308 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2309 for real instruction.
2311 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2314 * haifa-sched.c (check_cfg): Handle special case.
2316 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2319 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2320 Add debug_info parameter. Chain the vars to the BLOCK instead
2321 of the BIND_EXPR if debug info are requested for them.
2322 (pop_gimplify_context): Adjust for above change.
2323 (gimple_add_tmp_var): Likewise.
2324 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2326 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2327 (convert_local_reference): Likewise.
2328 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2329 (finalize_nesting_tree_1): Request that debug info be emitted
2330 for debug_var_chain.
2332 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2334 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2335 for PR target/27863.
2337 2006-06-13 Richard Guenther <rguenther@suse.de>
2340 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2342 2006-06-13 Richard Guenther <rguenther@suse.de>
2344 PR tree-optimization/27830
2345 * tree-inline.c (copy_body_r): For copying the operand
2346 of an ADDR_EXPR make sure to fold &* afterwards.
2348 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2350 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2351 lvalues in the fb_none case with side-effects.
2353 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2355 * tree-flow.h: Remove the prototype for
2356 compute_phi_arg_on_exit.
2357 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2358 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2361 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2363 * builtins.c (expand_builtin_return_addr): Only use
2364 frame_pointer_rtx when count == 0 and we are expanding
2365 __builtin_return_address.
2367 2006-06-12 Fred Fish <fnf@specifix.com>
2369 * config/mips/mips.c (mips_file_start): Create special section
2370 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2372 2006-06-11 Eric Christopher <echristo@apple.com>
2375 * stor-layout.c (place_field): Remove check for
2376 remaining_in_alignment when aligning at the end of a run.
2378 2006-06-11 Eric Christopher <echristo@apple.com>
2381 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2384 2006-06-11 Roger Sayle <roger@eyesopen.com>
2387 Revert incorrect fix for PR target/27158
2388 2006-05-08 Roger Sayle <roger@eyesopen.com>
2389 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2390 of a reg_equiv_constant if the result is a legitimate constant.
2392 2006-06-11 Roger Sayle <roger@eyesopen.com>
2395 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2396 extract a CONST_VECTOR element and interpret it as an integer.
2397 (vspltis_constant): Use const_vector_elt_as_int instead of the
2398 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2399 * config/rs6000/predicates.md (easy_vector_const): Consider
2400 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2402 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2405 * stor-layout.c (update_alignment_for_field): Don't add extra
2406 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2409 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2411 * config/mips/t-rtems: Add EL/EB multilib variants.
2413 2006-06-09 Mike Stump <mrs@apple.com>
2415 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2417 2006-06-09 David Daney <ddaney@avtrex.com>
2419 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2421 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2423 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2425 2006-06-09 Richard Guenther <rguenther@suse.de>
2427 PR tree-optimization/26998
2428 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2429 of signed types, only TYPE_MIN_VALUE is special, but for both,
2430 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2431 in this case, as is -fwrapv.
2433 2006-06-08 Mike Stump <mrs@apple.com>
2436 * config/darwin.c (darwin_asm_output_anchor): Disable
2437 -fsection-anchors on darwin for now.
2438 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2439 * rs6000/rs6000.c (optimization_options): Likewise.
2441 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2444 * config/i386/i386.c (classify_argument): Skip fields with invalid
2447 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2449 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2450 (cse_insn): Likewise for the stack_pointer_rtx.
2452 2006-06-08 Roger Sayle <roger@eyesopen.com>
2454 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2455 conditions from floating point comparisons.
2457 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2460 * expmed.c (struct alg_hash_entry): Fix type of field T
2461 to match synth_mult argument.
2462 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2464 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2467 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2470 2006-06-08 Richard Guenther <rguenther@suse.de>
2473 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2474 only, if overflow is defined and not trapping.
2475 (negate_expr): Likewise.
2477 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2479 PR tree-optimization/27872
2480 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2481 flag on the new exit edge of the unrolled loop.
2483 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2485 PR rtl-optimization/26449
2486 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2488 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2491 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2492 referenced_variables with matching DECL_UID's.
2493 (find_referenced_vars): Make sure duplicate list is empty to start.
2494 (referenced_var_p): Remove.
2495 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2496 Check if var is in the list, and add if needed. Update the duplicate
2497 list if a different var is in the list with the same DECL_UID.
2498 (add_referenced_var): Call routine to check and insert.
2499 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2500 * tree-flow.h (referenced_vars_dup_list): External declaration.
2502 2006-06-07 Fred Fish <fnf@specifix.com>
2504 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2507 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2510 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2511 the imaginary and real parts of a clobbered register.
2512 Emit insn to set the imaginary part.
2514 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2516 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2517 in lieu of unwind-dw2-fde.c.
2519 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2521 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2523 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2526 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2527 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2528 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2529 V4SImode temporaries and operations instead.
2531 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2533 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2536 2006-06-06 Mike Stump <mrs@apple.com>
2538 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2539 installing during build.
2541 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2543 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2545 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2546 * config/ia64/ia64.c (params.h): New header.
2547 (ia64_optimization_options): New function to adjust parameters.
2548 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2549 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2550 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2552 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2554 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2556 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2559 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2561 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2562 Victor Kaplansky <victork@il.ibm.com>
2564 PR tree-optimization/26360
2565 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2568 2006-06-04 Roger Sayle <roger@eyesopen.com>
2569 Andrew Pinski <pinskia@physics.uc.edu>
2572 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2573 for LABEL_DECL before calling DECL_WEAK.
2576 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2577 LABEL_DECL and PARM_DECL.
2579 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2583 * c-decl.c (grokdeclarator): Disallow variably modified types at
2584 file scope. Avoid marking shared array type of constant size as
2587 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2590 * c-common.c (fold_offsetof_1): Handle static members.
2592 2006-06-04 Eric Christopher <echristo@apple.com>
2594 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2595 (debug_rli): Output value for remaining_in_alignment.
2596 (update_alignment_for_field): Unconditionalize
2597 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2598 extra alignment code.
2599 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2600 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2601 * tree.h (record_layout_info_s): Remove prev_packed.
2602 * doc/extend.texi (ms_struct): Add documentation of format.
2604 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2606 * tree.h: Declare folding_initializer.
2607 * builtins.c (fold_builtin_constant_p): Give definite answer
2608 if folding inside an initializer.
2609 * fold-const.c: Define folding_initializer.
2610 (START_FOLD_INIT): Save and then set folding_initializer.
2611 (END_FOLD_INIT): Restore folding_initializer.
2613 2006-06-04 Richard Guenther <rguenther@suse.de>
2615 PR tree-optimization/27039
2616 * fold-const.c (fold_comparison): Handle pointer comparison
2617 again for all comparison codes. Compare offsets in signed
2619 (fold_binary): Move code from here.
2621 2006-06-03 Roger Sayle <roger@eyesopen.com>
2624 * config/i386/i386.c (construct_container): Split static issued_error
2625 flag into issued_sse_arg_error, issued_sse_ret_error and
2626 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2627 requires the use of x87 registers and the user explicitly
2628 specified the -mno-80387 command line option.
2630 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2632 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2633 HAVE_DECL_SIGALTSTACK.
2635 (segv_handler): Use MC_FLD.
2636 * configure.ac: Check for a sigaltstack declaration.
2637 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2638 * configure: Regenerate.
2639 * config.in: Regenerate.
2641 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2644 * Makefile.in (stmp-fixinc): Fix typo.
2646 2006-06-02 Roger Sayle <roger@eyesopen.com>
2648 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2649 are type correct. Clean-up.
2650 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2651 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2653 2006-06-01 DJ Delorie <dj@redhat.com>
2655 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2656 shift, as we've disabled the "switch" insn that needs it.
2658 2006-06-01 Per Bothner <bothner@bothner.com>
2660 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2661 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2662 * c-ppoutput.c (cb_define): Don't increment line 0.
2664 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2666 * doc/invoke.texi: Add cpu_type power6.
2667 * config.gcc: Add cpu_type power6.
2668 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2669 to power5+ with Altivec.
2670 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2671 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2673 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2675 * config/avr/avr.h (SET_ASM_OP): Define.
2677 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2679 * config/bfin/bfin.c: Fix comment typos.
2681 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2684 * doc/install.texi: Document --enable-bootstrap and
2685 --disable-bootstrap.
2687 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2689 * doc/install.texi: Document that InfoZIP can replace jar.
2691 2006-05-31 Roger Sayle <roger@eyesopen.com>
2693 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2694 isn't available, directly generate the simpler x87 patterns without
2695 the (use (const_int 0)).
2696 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2697 implementation isn't available.
2698 (*negdf2_1): Likewise.
2699 (*negxf2_1): XF mode negation is always done using the x87.
2700 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2702 2006-05-31 Roger Sayle <roger@eyesopen.com>
2704 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2705 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2707 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2709 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2711 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2712 * config/bfin/bfin.c (basic-block.h): Include.
2713 (struct machine_function): New.
2714 (bfin_init_machine_status): New.
2715 (override_options): Initialize init_machine_status.
2716 (bfin_hardware_loop): New.
2717 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2718 (DEF_VEC_P (loop_info)): New.
2719 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2720 (struct loop_info): New.
2721 (loop_info): New typedef.
2722 (struct loop_work): New.
2723 (loop_work): New typedef.
2724 (DEF_VEC_O (loop_work)): New.
2725 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2726 (bfin_dump_loops): New.
2727 (bfin_bb_in_loop): New.
2728 (bfin_scan_loop): New.
2729 (bfin_optimize_loop): New.
2730 (bfin_reorg_loops): New.
2731 (bfin_reorg): Use bfin_reorg_loops.
2732 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2734 (I_REGNO_P): Simplify.
2735 (DP_REGNO_P, DPREG_P): New macros.
2736 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2737 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2738 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2739 Add LT_REGS, LC_REGS, LB_REGS.
2740 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2742 (REGNO_REG_CLASS): Deal with loop registers.
2743 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2745 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2746 New constants for loop registers.
2747 (UNSPEC_LSETUP_END): New.
2748 (seq_insns): New define_attr. Set it for appropriate insns.
2749 (movsi_insn): Add alternatives for move from/to
2750 loop count registers.
2751 (doloop_end): New define_expand.
2752 (loop_end): New define_insn.
2753 (define_split for bad doloop_end): New.
2754 (lsetup_with_autoinit): New define_insn.
2755 (lsetup_without_autoinit): New define_insn.
2756 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2757 * config/bfin/predicates.md (lc_register_operand): New.
2758 (lt_register_operand): New.
2759 (lb_register_operand): New.
2760 (nondp_register_operand): New.
2761 (nondp_reg_or_memory_operand): New.
2762 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2764 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2766 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2767 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2769 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2771 * Makefile.in (CATALOGS): Add po/ prefix.
2772 * configure: Regenerated.
2774 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2777 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2778 a shift operand before calling shift_op. Avoid redundant call of
2781 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2782 DJ Delorie <dj@redhat.com>
2784 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2785 we're inserting is a singlt-bit constant.
2787 2006-05-30 Roger Sayle <roger@eyesopen.com>
2789 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2790 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2792 2006-05-30 Roger Sayle <roger@eyesopen.com>
2794 PR tree-optimization/23452
2795 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2796 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2797 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2798 complex values and with -ffast-math for FP complex values.
2800 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2802 * c-common.h: Remove the prototype for yyparse.
2803 * rtl.h: Remove the prototype for init_loop.
2805 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2807 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2810 2006-05-30 Roger Sayle <roger@eyesopen.com>
2812 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2814 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2815 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2817 2006-05-30 Dirk Mueller <dmueller@suse.de>
2820 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2821 for CONSTANT_CLASS_P expresisons.
2823 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2826 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2828 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2830 PR tree-optimization/27779
2831 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2832 initial_condition instead of CHREC_LEFT.
2834 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2836 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2837 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2838 Make prototypes ISO C90.
2840 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2841 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2843 * see.c (see_analyze_one_def): Correct check.
2844 (see_get_extension_data): Check if extension is parallel.
2845 (see_get_extension_reg): Likewise.
2847 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2850 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2851 into register for (code == GTU).
2853 2006-05-29 Roger Sayle <roger@eyesopen.com>
2855 PR tree-optimization/24964
2856 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2857 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2858 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2859 abs(x)*abs(x) as x*x for scalar floating point modes.
2861 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2864 * lambda-code.c (perfect_nestify): Don't copy statements
2865 in the inner loop: move them to the inner loop header.
2867 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2870 * c-tree.texi: Document OpenMP directives and clauses.
2872 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2874 * varasm.c (globalize_decl): Fix indentation.
2876 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2879 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2880 pass_fre, pass_store_ccp, pass_copy_prop,
2881 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2882 pass_return_slot, pass_object_size, pass_lim,
2883 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2884 pass_loop_prefetch and pass_stdarg.
2886 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2888 * config/bfin/bfin.opt (mfdpic): New option.
2889 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2890 (EXTRA_MULTILIB_PARTS): Likewise.
2891 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2892 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2894 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2895 (CRT_CALL_STATIC_FUNCTION): New.
2896 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2898 (CRT_CALL_STATIC_FUNCTION): New.
2899 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2901 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2902 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2903 (initialize_trampoline): Changed to handle FD-PIC code generation.
2904 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2905 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2906 (override_options): Disallow -mid-shared-library -mfdpic combination.
2907 Can't do unaligned ops if FD-PIC.
2908 Turn off flag_pic if trying to generate non-id-shared-library
2909 non-fdpic code, since it's not supported.
2910 (bfin_assemble_integer): New function.
2911 (TARGET_ASM_INTEGER): Define.
2912 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2914 * config/bfin/crtn.s: Restore them.
2915 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2917 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2918 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2919 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2920 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2921 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2923 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2924 FDPIC_REGS and FDPIC_FPTR_REGS.
2925 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2926 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2927 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2928 (load_funcdescsi): New pattern.
2929 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2930 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2931 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2933 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2935 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2938 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2940 * tree-flow.h: Remove the prototype for add_type_alias.
2941 * tree-ssa-alias.c (add_type_alias): Remove.
2943 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2945 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2946 config/fr30/fr30.md, config/i386/i386-interix.h,
2947 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2948 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2949 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2950 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2951 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2952 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2953 Follow spelling conventions.
2954 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2955 Follow spelling conventions.
2957 2006-05-27 Richard Guenther <rguenther@suse.de>
2960 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2961 to produce a constant of value 1 of generic type.
2963 2006-05-27 Dirk Mueller <dmueller@suse.de>
2965 * cgraphunit.c (decide_is_function_needed): Fix wrong
2968 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2970 PR rtl-optimization/27661
2971 * reload.c (find_reloads): When reloading a VOIDmode constant
2972 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2973 use Pmode as mode of the reload register.
2975 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2977 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2978 is enabled at -O and above.
2980 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2983 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2986 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2989 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2990 for anonymous variables explicitly declared by front ends.
2992 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2994 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2995 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2996 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2997 ref-all pointers, run a finalization pass for them.
2998 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2999 (finalize_ref_all_pointers): New function.
3000 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3001 regular pointer type to a ref-all pointer type.
3002 (get_tmt_for): Return the special memory tag for ref-all pointers.
3004 2006-05-25 Richard Guenther <rguenther@suse.de>
3007 * fold-const.c (fold_binary): Do not look at the stripped
3008 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3010 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3012 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3013 for LT and GT if the computed range is effectively empty.
3015 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3018 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3019 mips_quad_format formats instead of ieee_single_format,
3020 ieee_double_format and ieee_quad_format formats, respectively.
3022 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3024 PR tree-optimization/27639
3025 PR tree-optimization/26719
3026 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3027 call to scev_probably_wraps_p.
3028 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3029 used_in_pointer_arithmetic_p, convert_step): Removed.
3030 (nowrap_type_p): New function.
3031 (scev_probably_wraps_p): Rewritten.
3032 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3033 chrec_convert if chrec_convert_aggressive might have been used.
3034 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3035 scev_direction): New functions.
3036 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3037 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3038 instead of convert_step.
3039 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3040 (convert_step): Declaration removed.
3041 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3043 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3045 * df-core.c: Added to header comments.
3046 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3047 df_ur_bb_info, df_urec_bb_info): Added comments.
3048 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3049 urec, ri problems): Fixed header comments.
3050 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3051 code from df_rd_transfer_function.
3053 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3055 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3056 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3057 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3059 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3061 * expr.c (undefined_operand_subword_p): New.
3062 (emit_move_multi_word): Do not generate move from undefined bits
3063 of a paradoxical subreg.
3065 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3067 PR rtl-optimization/27736
3068 * combine.c (replaced_rhs_value): New variable.
3069 (combine_instructions): Set it.
3070 (distribute_notes): When distributing a note in replaced_rhs_insn,
3071 check whether the value was used in replaced_rhs_value.
3073 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3076 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3077 add_referenced_var instead of add_referenced_tmp_var.
3078 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3079 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3081 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3082 tree_optimize_tail_calls_1): Use add_referenced_var.
3083 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3084 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3085 Use add_referenced_var.
3086 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3087 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3088 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3089 Use add_referenced_var.
3090 * tree-dfa.c (struct walk_state): Remove.
3091 (find_referenced_vars): Remove walk state and vars_found hash table.
3092 (make_rename_temp): Use add_referenced_var.
3093 (find_vars_r): Pass less parameters to add_referenced_var.
3094 (referenced_var_p): New. Is var in referenced_var hash table.
3095 (referenced_var_insert): Assert var isn't already in hash table.
3096 (add_referenced_var): Don't need walk_state parameter. Add var if it
3097 isn't already in the hash table.
3098 (add_referenced_tmp_var): Remove.
3099 (find_new_referenced_vars_1): Use add_referenced_var.
3100 * tree-ssa-pre.c (create_expression_by_pieces,
3101 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3102 Use add_referenced_var.
3103 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3104 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3105 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3107 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3108 vect_create_data_ref_ptr, vect_create_destination_var,
3109 vect_init_vector, vect_build_loop_niters,
3110 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3111 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3112 Use add_referenced_var.
3113 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3114 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3115 (add_referenced_var): Add prototype.
3116 * tree-ssa-structalias.c (get_constraint_for,
3117 intra_create_variable_infos): Use add_referenced_var.
3119 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3121 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3122 big-endian paradoxical subregs.
3123 * var-tracking.c (struct micro_operation_def): Document that,
3124 for modify micro operations, insn is the subsequent instruction.
3125 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3126 (var_reg_set, var_mem_set): ... new functions.
3127 (add_stores): Record subsequent insn.
3128 (compute_bb_dataflow): Use new functions for MO_USE.
3129 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3130 notes after the insn, and modify notes before the insn known
3131 to be the subsequent one.
3132 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3134 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3137 * config/i386/i386.c (ix86_expand_builtin): Use
3138 gen_sse3_monitor64 for TARGET_64BIT.
3140 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3142 PR rtl-optimization/26375
3143 PR rtl-optimization/26855
3144 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3146 (df_ru_bb_local_compute): Reversed statements and removed bogus
3147 comment explaining why they should be in wrong order.
3148 (df_ru_dump, df_rd_dump): Enhanced debug info.
3149 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3151 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3152 reaching uses and fixed space problem.
3154 2006-05-23 Jan Hubicka <jh@suse.cz>
3156 * cgraphunit.c (decide_is_function_needed): Also nested functions
3157 and functions declared inline can be optimized out at -O0.
3159 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3161 * doc/install.texi (Configuration): Remove reference to CrossGCC
3165 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3168 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3169 ix86_compare_emitted is non-NULL.
3171 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3174 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3177 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3179 PR rtl-optimization/25514
3180 * combine.c (replaced_rhs_insn): New variable.
3181 (combine_instructions): Set replaced_rhs_insn when trying to replace
3182 a SET_SRC with a REG_EQUAL note.
3183 (distribute_notes): Use replaced_rhs_insn when determining the live
3184 range of a REG_DEAD register.
3186 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3187 Anatoly Sokolov <aesok@post.ru>
3189 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3190 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3191 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3192 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3193 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3194 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3195 at90usb647, at90usb1286 and at90usb1287 devices.
3196 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3197 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3199 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3201 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3203 2006-05-22 Richard Guenther <rguenther@suse.de>
3206 2006-01-31 Richard Guenther <rguenther@suse.de>
3207 Paolo Bonzini <bonzini@gnu.org>
3209 * doc/install.texi (--disable-libgcc-math): Document.
3211 2006-05-22 Richard Guenther <rguenther@suse.de>
3214 2006-01-31 Richard Guenther <rguenther@suse.de>
3216 * doc/invoke.texi (-msselibm): Document.
3217 * target.h (expand_library_builtin): New target hook.
3218 * builtins.c (expand_builtin): Use expand_library_builtin.
3219 (default_expand_library_builtin): New function.
3220 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3221 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3222 (link_gcc_math_spec): Declare.
3223 (static_specs): Add link_gcc_math_spec.
3224 * expr.h (default_expand_library_builtin): Declare.
3225 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3226 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3227 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3228 * config/i386/i386.opt (msselibm): New target option.
3229 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3230 (ix86_init_sse_abi_builtins): New function.
3231 (ix86_expand_library_builtin): Likewise.
3232 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3233 (override_options): Handle error conditions wrt -msselibm.
3234 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3235 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3236 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3239 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3242 * c-common.c (self_promoting_args_p): Skip erroneous args.
3245 * c-decl.c (finish_struct): Skip erroneous fields.
3247 2006-05-22 Nick Clifton <nickc@redhat.com>
3249 * config/cris/cris.opt (march): Remove VarExists attribute.
3250 (max-stackframe=): Likewise.
3252 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3254 * doc/rtl.texi: Fix a typo.
3255 * see.c: Fix comment typos.
3257 * tree-ssa-structalias.h (alias_info): Remove num_references.
3259 2006-05-21 Mike Stump <mrs@apple.com>
3261 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3263 (darwin_pragma_options): Use BAD instead.
3264 (darwin_pragma_unused): Likewise.
3265 (darwin_pragma_ms_struct): Likewise.
3267 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3269 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3271 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3273 PR rtl-optimization/27671
3274 * simplify-rtx.c (simplify_relational_operation_1): Fix
3275 simplifications of (eq/ne (xor x y) y) and
3276 (eq/ne (xor x y) x).
3278 PR tree-optimization/26622.
3279 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3282 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3284 * tree-cfg.c: Prune whitespace.
3285 (debug_tree_cfg): Point to correct header containing the
3288 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3291 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3293 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3296 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3297 or sorry count is non zero.
3299 2006-05-20 Andreas Schwab <schwab@suse.de>
3301 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3303 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3304 Kenneth Zadeck <zadeck@naturalbridge.com>
3306 PR rtl-optimization/26855
3308 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3310 (df_scan_alloc): Added code to properly handle multiword hard
3311 registers and add all_blocks parameter.
3312 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3313 code to properly handle multiword hard registers.
3314 (df_rescan_blocks): Added code to remove deleted blocks from
3316 (df_ref_create_structure, df_ref_record): Added code to properly
3318 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3319 and set DF_REF_PARTIAL.
3320 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3321 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3322 (df_scan_add_problem): Added flags parameter.
3323 (df_ref_create_structure): Changed switching structure.
3324 (df_bb_refs_record): Fixed case where duplicate artificial refs
3325 were created. Changed location of flags.
3326 (df_record_entry_block_defs): Added code to make stack pointer
3327 live in entry block. Refined cases where frame pointer is needed.
3328 Changed location of flags.
3329 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3330 (df_set_state): Removed function.
3331 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3332 df_insn_create_insn_record, df_insn_refs_delete,
3333 df_ref_create_structure): Formatting changes.
3334 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3335 df_delete_basic_block): New function.
3336 (df_init): Changed location of flags.
3337 (df_add_problem): Added flags parameter and the way flags are
3339 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3340 debug_df_chain): Improved debugging output.
3341 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3342 (df_refs_chain_dump): Removed df parameter.
3343 (df_iterative_dataflow): Added consistency check.
3344 (df_prune_to_subcfg): Made public.
3345 (df_analyze_problem): Added blocks_to_init parameter and made
3347 (df_ref_record, df_bb_refs_record, df_mark_reg,
3348 df_record_exit_block_uses): Whitespace changes.
3349 (df_dump): Whitespace changes.
3350 * df.h: Some reordering to remove forward references.
3351 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3352 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3353 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3354 (dataflow.flags): New field.
3355 (df.flag): Deleted field.
3356 (df_alloc_function): Added additional bitmap parameter.
3357 (df_dependent_problem_function): New type.
3358 (df_problem.changeable_flags): New field.
3359 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3360 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3361 (df_mw_hardreg): New struct.
3362 (DF_INSN_UID_MWS): New macro.
3363 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3365 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3366 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3367 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3368 (df_set_state): Removed function.
3369 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3370 * df-problems.c (df_chain_dump): Removed df parameter.
3371 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3372 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3374 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3375 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3376 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3377 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3378 DF_REF_MUST_CLOBBER cases.
3379 (df_ru_bb_local_compute_process_def,
3380 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3381 df_lr_bb_local_compute, df_ur_bb_local_compute,
3382 df_chain_create_bb): Made subreg aware.
3383 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3384 df_lr_bb_local_compute, df_lr_bb_local_compute,
3385 df_chain_create_bb): Cleanup to use proper macros.
3386 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3387 code to fixup bitvectors.
3388 (df_ri_alloc): Cleared lifetime.
3389 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3390 df_create_unused_note): New function.
3391 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3392 REG_DEAD and REG_UNUSED notes as well as register information.
3393 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3394 df_chains_dump): Fixed crash if problem was never run.
3395 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3396 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3397 df_ri_add_problem): Processes flags in uniform manner.
3398 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3399 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3400 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3401 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3402 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3403 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3404 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3405 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3406 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3407 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3408 * see.c (see_initialize_data): Ditto.
3409 * final.c (rest_of_clean_state) Added regstack_completed.
3410 * rtl.h (regstack_completed): Ditto.
3411 * reg-stack.c (regstack_completed): Ditto.
3413 2006-05-19 Mike Stump <mrs@apple.com>
3415 * c-tree.h (default_conversion): Remove.
3416 * c-common.h (default_conversion): Add.
3418 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3420 * tree-vrp.c (valid_value_p): New function.
3421 (adjust_range_with_scev): Fail if the value of bound is not
3424 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3426 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3427 (mips_fallback_frame_state): Use syscall numbers to determine
3428 the appropriate li instruction for the current ABI. Only use
3429 __NR_sigreturn for o32.
3431 2006-05-19 Nicolas Setton <setton@adacore.com>
3433 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3434 * langhooks.c (lhd_dwarf_name): New function.
3435 * langhooks-def.h (lhd_dwarf_name): Declare.
3436 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3437 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3438 * ada/misc.c (gnat_dwarf_name): New function.
3439 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3441 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3443 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3445 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3446 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3447 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3448 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3449 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3450 determine the size of Wtype, etc.
3451 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3452 (swfloatfuncs): New variable.
3453 (dwfloatfuncs): Likewise.
3454 (lib2funcs): Remove floating-point conversion functions from
3455 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3456 the set of conversion routines needed. Allow entries to specify
3457 an object name, filename and word size. Update users accordingly.
3458 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3459 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3463 2006-02-08 Roger Sayle <roger@eyesopen.com>
3466 * config/fixtfdi.c: New libgcc source file.
3467 * config/fixunstfdi.c: New source file.
3468 * config/floatditf.c: New source file.
3469 * config/floatunditf.c: New souce file.
3470 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3471 files above instead of config/mips/_tilib.c.
3472 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3474 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3476 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3477 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3479 2006-05-18 Mike Stump <mrs@apple.com>
3481 Fix up vla, vm and [*] sematics.
3487 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3488 (c_vla_unspec_p): Add.
3489 (c_vla_type_p): Add.
3490 * c-decl.c (struct c_scope): Add had_vla_unspec.
3491 (build_array_declarator): Add support for [*].
3492 (grokdeclarator): Likewise.
3493 (grokparms): Likewise.
3494 (get_parm_info): Likewise.
3495 * c-objc-common.c (c_vla_unspec_p): Likewise.
3496 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3497 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3498 typeof when argument is a variably modified type not inside sizeof or alignof.
3499 (c_parser_direct_declarator_inner): Propagate errors.
3500 (c_parser_sizeof_expression): Add support for [*].
3501 (c_parser_parms_declarator): Initialize had_vla_unspec.
3502 (c_parser_parms_list_declarator): Likewise.
3503 * c-typeck.c (c_vla_type_p): Add.
3504 (composite_type): Add support for vla compositing.
3505 (comptypes_internal): Add support for vla compatibility.
3506 (c_expr_sizeof_expr): Evaluate vla arguments.
3507 * tree.c (variably_modified_type_p): Update comment for [*].
3509 2006-05-18 Michael Matz <matz@suse.de>
3512 * config.host: Make assignments to host_xmake_file cumulative.
3513 * config.host (*-darwin*): Test $host, not $target.
3515 2006-05-12 Stuart Hastings <stuart@apple.com>
3517 * config/i386/i386.opt (-mstackrealign): New flag.
3518 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3519 (ix86_handle_cconv_attribute): Emit error when
3520 force_align_arg_pointer attribute collides with too many regparms.
3521 (ix86_function_regparm): Limit regparms when used with
3522 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3523 Support stack-realigning prologue in non-main functions. Emit
3524 warning for nested functions under -mstackrealign, emit error for
3525 nested functions with force_align_arg_pointer attribute.
3526 * doc/extend.texi (force_align_arg_pointer): Document it.
3527 * doc/invoke.texi (-mstackrealign): Document it.
3529 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3531 PR rtl-optimization/27477
3532 * combine.c (try_combine): Don't split a parallel consisting
3533 of two sets into two individual sets if both sets reference
3536 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3538 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3539 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3541 * doc/options.texi (VarExists): Updated.
3543 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3545 * unwind-dw2.c: Add declarations for uw_update_context and
3547 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3548 detected, advance frame state and context once to skip over stub.
3550 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3554 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3555 Call rewrite_into_loop_closed_ssa only when something changed.
3556 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3557 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3558 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3559 Test for perfect_nest_p here. Fix formating.
3560 (replace_uses_equiv_to_x_with_y): Fix formating.
3561 (stmt_uses_op): Removed.
3562 (can_convert_to_perfect_nest): Removed loopivs parameter.
3563 Complete the test by checking the scalar dependences.
3564 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3567 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3570 From Dan Kegel <dank@kegel.com>:
3571 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3573 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3575 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3576 if the element type is variably modified without recursing.
3578 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3581 * tree-loop-linear.c (try_interchange_loops): Test for
3582 no data dependences.
3584 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3586 PR tree-optimization/27548
3587 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3588 range of ssa names that appear on abnormal edges.
3589 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3590 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3592 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3595 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3597 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3600 * tree.h (OMP_PARALLEL_COMBINED): Define.
3601 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3602 (new_omp_context): Add is_combined_parallel argument.
3603 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3604 new_omp_context caller.
3605 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3606 Adjust gimplify_scan_omp_clauses callers.
3607 (omp_is_private): Issue errors if iteration variable is firstprivate
3608 or reduction in the current context.
3609 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3610 on combined parallel workshare constructs.
3612 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3614 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3615 (gcc-options.o): New rule.
3617 * optc-gen.awk: Protect variables for gcc-options.o with
3618 #ifdef GCC_DRIVER/#endif.
3620 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3622 Fix PR tree-optimization/27373
3623 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3624 (forward_propagate_addr_expr): Update call.
3626 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3628 * doc/options.texi: Move the Negative option.
3630 2006-05-16 Richard Guenther <rguenther@suse.de>
3632 PR tree-optimization/22303
3633 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3635 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3636 ccp_fold did not simplify the statement.
3638 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3641 * Makefile.in (GCC_OBJS): New.
3642 (OBJS-common): Add opts-common.o.
3643 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3644 (cpp$(exeext)): Likewise.
3645 (gcc.o): Also depend on opts.h.
3646 (opts-common.o): New.
3648 * common.opt (gcoff): Add Negative(gdwarf-2).
3649 (gdwarf-2): Add Negative(gstabs).
3650 (gstabs): Add Negative(gstabs+).
3651 (gstabs+): Add Negative(gvms).
3652 (gvms): Add Negative(gxcoff).
3653 (gxcoff): Add Negative(gxcoff+).
3654 (gxcoff+): Add Negative(gcoff).
3655 * config/i386/i386.opt (m32): Add Negative(m64).
3656 (m64): Add Negative(m32).
3658 * doc/options.texi: Document the Negative option.
3660 * gcc.c: Include "opts.h".
3661 (main): Call prune_options after expandargv.
3663 * optc-gen.awk: Generate common declarations for all flag
3664 variables in options.c. Output the neg_index field.
3666 * opts.c (find_opt): Moved to ...
3667 * opts-common.c: Here. New file.
3669 * opts.h (cl_option): Add a neg_index field.
3671 (prune_options): Likewise.
3673 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3676 * omp-low.c (expand_omp_parallel): Don't assert
3677 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3678 instead search for it.
3681 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3684 2006-05-16 Andreas Schwab <schwab@suse.de>
3686 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3689 2006-05-15 Roger Sayle <roger@eyesopen.com>
3692 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3693 integer constants other than zero are only legitimate on TARGET_64BIT.
3694 <CONST_VECTOR> Only zero vectors are legitimate.
3695 (ix86_cannot_force_const_mem): Integral and vector constants can
3696 always be put in the constant pool.
3698 2006-05-16 DJ Delorie <dj@redhat.com>
3700 * crtstuff.c (__dso_handle): Set section from
3701 TARGET_LBIGCC_SDATA_SECTION if defined.
3702 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3703 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3705 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3708 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3711 2006-05-16 Ben Elliston <bje@au.ibm.com>
3713 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3715 2006-05-15 Per Bothner <per@bothner.com>
3717 * tree.c: (last_annotated_node): Use source_locus typedef.
3718 This permits bootstrapping with --enable-mapped-location.
3720 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3722 PR tree-optimization/26830
3723 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3724 (info_for_ssa_name, current_info_for_ssa_name_age,
3725 blocks_to_update): New variables.
3726 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3727 (clear_ssa_name_info, initialize_flags_in_bb,
3728 mark_block_for_update): New functions.
3729 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3730 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3731 prepare_def_site_for): Use mark_block_for_update.
3732 (mark_def_interesting): Assert that the processed block is marked in
3733 blocks_to_update. Do not take blocks argument.
3734 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3736 (rewrite_update_init_block, rewrite_update_stmt): Only process
3737 blocks with statements to rewrite.
3738 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3739 (update_ssa): Initialize and free blocks_to_update. Do not
3740 clear flags on statements. Do not use blocks bitmap.
3741 * tree.h (SSA_NAME_AUX): Removed.
3742 (struct tree_ssa_name): Removed aux field.
3743 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3745 2006-05-15 Richard Guenther <rguenther@suse.de>
3747 PR tree-optimization/27603
3748 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3749 Do computations in original type.
3751 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3753 * see.c: Code style changes such as redundant paranthesis,
3754 redundant intialization of local variables etc.
3755 (see_main): Declared now as static.
3756 * doc/invoke.texi: Update that -fsee is not enabled by
3759 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3761 * omp-low.c (check_omp_nesting_restrictions): New function.
3762 (scan_omp_1): Call it.
3765 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3766 construct, return *VAR.
3768 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3770 PR rtl-optimization/27406
3771 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3774 2006-05-14 Roger Sayle <roger@eyesopen.com>
3776 PR rtl-optimization/27538
3777 * combine.c (expand_compound_operation): Call gen_lowpart
3778 before calling simplify_shift_const.
3780 2006-05-14 Roger Sayle <roger@eyesopen.com>
3782 PR rtl-optimization/22563
3783 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3784 a fixed width bitfield, always force the intermediates into psuedos.
3786 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3789 * mkconfig.sh: Use operator = instead of == for test.
3791 2006-05-13 Nick Clifton <nickc@redhat.com>
3793 * dwarf2out.c (dbx_reg_number): Check return value from
3794 LEAF_REG_REMAP and only use it if it is valid.
3795 (multiple_reg_loc_descriptor): Likewise.
3797 2006-05-13 Richard Guenther <rguenther@suse.de>
3799 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3802 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3804 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3805 information attached to non-INSNs such as NOTEs.
3806 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3808 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3810 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3812 * config/s390/s390.md: Adjust comment describing On constraint.
3814 2006-05-11 Jan Hubicka <jh@suse.cz>
3816 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3817 to be output at -O0.
3819 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3822 * fold-const.c (size_binop): Move sanity check for arguments to
3823 the beginning of the function.
3826 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3829 2006-05-11 Richard Guenther <rguenther@suse.de>
3832 * fold-const.c (fold_unary): Handle intermediate conversion
3833 to a pointer type like intermediate conversion to an integer
3834 type in folding of (T1)(T2)var to var.
3835 Match the code to the comment in the final conversion for
3836 (T1)(T2)var to (T1)var regarding to type precision. Rather
3837 than disallow T1 being of pointer type, assert that both T1
3838 and var are of pointer type or not. Make sure not to fall
3839 over the frontends lazyness wrt array to pointer decay though.
3841 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3843 * arm.c (arm_struct_value_rtx): Delete.
3844 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3845 (arm_init_cumulative_args): Always initialize nregs to zero.
3847 2006-05-10 Richard Guenther <rguenther@suse.de>
3849 PR tree-optimization/27532
3850 * tree-object-size.c (plus_expr_object_size): Fix typo.
3852 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3855 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3856 ashrdi_const, ashrdi3): Use a scratch register.
3858 2006-05-10 Richard Guenther <rguenther@suse.de>
3860 PR tree-optimization/27302
3861 * fold-const.c (operand_equal_p): For two comparisons,
3862 try comparison of one comparison code swapped if that yields
3865 2006-05-10 Ben Elliston <bje@au.ibm.com>
3867 * tree-pretty-print.c (pretty_print_string): No need to handle
3868 '\0' as a special character.
3870 * tree.h: Include "hashtab.h".
3871 (iterative_hash_expr): Use hashval_t in its prototype.
3872 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3874 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3877 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3878 (hppa*64*-*-hpux11*): Ditto.
3879 (hppa[12]*-*-hpux11*): Ditto.
3881 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3884 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3886 2006-05-09 Michael Matz <matz@suse.de>
3888 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3889 host_extra_gcc_objs and host_xmake_file.
3890 (<*-*-linux*>): Don't overwrite host_xmake_file.
3891 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3892 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3893 (host_detect_local_cpu): Declare.
3894 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3895 * config/i386/i386.c (override_options): Handle -mtune=native
3897 * config/i386/x-i386: New file.
3898 * config/i386/driver-i386.c: New file.
3899 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3902 2006-05-09 Dirk Mueller <dmueller@suse.de>
3903 Richard Guenther <rguenther@suse.de>
3906 * fold-const.c (fold_read_from_constant_string): Relax check
3907 for matching types to matching modes.
3909 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3911 PR rtl-optimization/27335
3912 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3915 2006-05-08 Chao-ying Fu <fu@mips.com>
3916 Richard Sandiford <richard@codesourcery.com>
3918 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3919 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3920 * config/mips/mips.md (UNSPEC_SCC): New constant.
3921 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3922 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3923 (mips_emit_compare): Use it.
3924 (mips_expand_vcondv2sf): New function.
3926 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3928 Fix PR tree-optimization/27093
3929 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3930 renaming when they become not-used_alone.
3932 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3934 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3935 relocation and relocation stubs.
3937 2006-05-08 Eric Christopher <echristo@apple.com>
3939 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3942 2006-05-08 Jan Hubicka <jh@suse.cz>
3945 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3946 unused static functions are needed.
3948 2006-05-08 Roger Sayle <roger@eyesopen.com>
3951 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3952 of a reg_equiv_constant if the result is a legitimate constant.
3954 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3957 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3958 standard 80387 constants, raise the cost to prevent
3959 compress_float_constant() to generate load from memory.
3961 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3963 * config/arm/constraints.md (c): Fix a typo.
3965 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3968 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3971 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3973 (_mm_mwait): Likewise.
3975 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3977 (sse3_monitor): Make it 32bit only.
3978 (sse3_monitor64): New. 64bit monitor.
3980 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3983 * config/i386/i386.c (classify_argument): Skip fields with invalid
3986 2006-05-07 Richard Guenther <rguenther@suse.de>
3988 PR tree-optimization/27409
3989 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3990 Do not try to find zero-sized subvars.
3992 2006-05-07 Richard Guenther <rguenther@suse.de>
3994 PR tree-optimization/27136
3995 * tree-ssa-loop-niter.c (get_val_for): Correct function
3996 comment, assert requirements.
3997 (loop_niter_by_eval): Stop processing if the iterated
3998 value did not simplify.
4000 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4002 * opts.c (flag_see): remove its setting at -O3.
4004 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4006 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4007 * arm/constraints.md: New file.
4008 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4009 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4010 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4011 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4012 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4013 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4014 * arm.md: Include constraints.md.
4015 (thumb_movsi_insn): Use satisfies_constraint_J.
4016 (movhi, movqi): Use satisfies_constraint_I.
4018 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4020 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4021 for atmeg a645 device.
4023 2006-05-06 Richard Guenther <rguenther@suse.de>
4025 PR tree-optimization/27151
4026 * tree-vect-transform.c (vectorizable_condition): Punt on
4027 values that have a different type than the condition.
4029 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4032 * c-parser.c (c_parser_cast_expression): Only insert casts into
4033 hash table if pointer.
4034 * function.c (used_types_insert_helper): Rename from
4036 (used_types_insert): Call used_types_insert_helper.
4037 * function.h (used_types_insert): Accept only one argument.
4039 2006-05-05 David Edelsohn <edesohn@gnu.org>
4041 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4042 scratch with output modifier.
4044 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4047 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4048 with output modifier.
4050 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4053 * config/mips/mips.c (mips_symbolic_address_p): Return true
4054 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4055 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4057 2006-05-04 Richard Guenther <rguenther@suse.de>
4059 PR tree-optimization/14287
4060 PR tree-optimization/14844
4061 PR tree-optimization/19792
4062 PR tree-optimization/21608
4063 PR tree-optimization/27090
4064 * tree-ssa-pre.c (try_combine_conversion): New function.
4065 (compute_avail): After constructing the value-handle
4066 expression, use try_combine_conversion to combine NOP_EXPRs
4067 with previous value-handle expressions and use the result if it
4070 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4072 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4074 2006-05-04 Jan Hubicka <jh@suse.cz>
4077 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4079 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4081 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4082 that this only matches CONST_INTs. All users changed to VOIDmode
4085 * config/bfin/bfin.c: Include "optabs.h".
4086 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4088 (enum bfin_builtins): Add a number of fractional and vector builtins.
4089 (bfin_init_builtins): Likewise.
4090 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4091 (safe_vector_operand, bfin_expand_binop_builtin,
4092 bfin_expand_unop_builtin): New functions.
4093 (bfin_expand_builtin): Handle the new builtins.
4094 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4097 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4100 * Makefile.in (OBJS-common): Add see.o.
4101 (see.o): Add dependencies.
4102 * common.opt (fsee): New flag for the see optimization was added.
4103 * opts.c (flag_see): Initialized.
4104 * passes.c (init_optimization_passes, pass_see): New pass.
4105 * rtl.h (see_main): Declaration as extern.
4106 * timevar.def (TV_SEE): New.
4107 * tree-pass.h (pass_see): Declaration as extern.
4108 * invoke.texi (-fsee): Document.
4109 * recog.c (validate_simplify_insn): New function.
4110 * recog.h (validate_simplify_insn): Declaration as extern.
4111 * df-problems.c (df_chain_dump): Check for NULL.
4113 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4114 Daniel Berlin <dberlin@dberlin.org>
4116 * cfgrtl.c (insert_insn_bb_end_new): New function.
4117 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4119 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4121 * df.h (struct web_entry): Moved from web.c.
4122 (union_defs): Declaration as extern.
4123 (unionfind_root): Likewise.
4124 (unionfind_union): Likewise.
4125 * web.c (struct web_entry): Moved to df.h.
4126 (unionfind_root): Remove static declaration.
4127 (unionfind_union): Likewise.
4128 (union_defs): Likewise and generalize to use callback function.
4129 (web_main): Update arguments for union_defs function call.
4131 2006-05-04 Richard Guenther <rguenther@suse.de>
4133 PR tree-optimization/26447
4134 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4135 produce SSA_NAME copies before the store stmt to avoid
4136 breaking exception handling.
4138 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4141 * gimplify.c (omp_is_private): If var is shared in some outer context,
4142 return false instead of true. Stop searching on parallel context
4145 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4148 * coverage.c: Use get_gcov_unsigned_t() instead of
4149 unsigned_type_node all over.
4151 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4153 PR tree-optimization/27381
4154 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4155 maintain the same immediate_use links.
4156 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4157 node rather than segfaulting.
4159 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4162 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4163 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4164 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4166 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4168 Fix PR tree-optimization/26626
4169 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4171 * tree-ssa-operands.c (access_can_touch_variable): Allow
4172 typecasting through union pointers.
4174 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4177 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4178 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4179 to find if var will be a global variable even in the nested context.
4180 (omp_copy_decl): Only check for global variable at the end, it might
4181 be overridden in outer contexts.
4182 (scan_sharing_clauses): For global variables don't create a field.
4183 (lower_rec_input_clauses): Do nothing for global shared variables.
4184 Emit a barrier at the end of ILIST if there were any decls in both
4185 firstprivate and lastprivate clauses.
4186 (lower_send_clauses): Do nothing for global variables except for
4189 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4191 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4192 of the correct signedness is returned.
4194 2006-05-02 Jeff Law <law@redhat.com>
4196 PR tree-optimization/27364
4197 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4198 multiply expressions.
4200 2006-05-02 Tom Tromey <tromey@redhat.com>
4202 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4204 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4207 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4208 -mthumb -fPIC are used.
4210 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4211 Joshua Kinard <kumba@gentoo.org>
4214 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4215 with 64-bit pointers.
4217 2006-05-02 Paul Brook <paul@codesourcery.com>
4219 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4221 (create_fix_barrier): Check that a suitable barrier location is
4223 (arm_reorg): Include ftmp->address in allowable range of addresses.
4225 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4228 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4231 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4234 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4235 around RESULT_DECL for result passed by reference.
4236 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4237 * omp-low.c (use_pointer_for_field): Don't look at
4238 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4239 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4240 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4241 time or var for passing by reference for
4242 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4243 TREE_ADDRESSABLE variables when passing by reference.
4245 * omp-low.c (dump_omp_region): Fix output formatting.
4248 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4249 (expand_omp_parallel): Likewise.
4250 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4253 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4254 on statement list containing also constructors and destructors.
4255 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4258 * except.c (duplicate_eh_regions): Fix clearing of
4259 cfun->eh->region_array entries.
4261 2006-05-01 DJ Delorie <dj@redhat.com>
4263 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4265 (gcc_cv_objdump): Likewise.
4266 * configure: Regenerated.
4268 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4271 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4272 templates for case 3 and 4.
4274 2006-05-01 DJ Delorie <dj@redhat.com>
4276 * vec.c: Include bconfig.h when appropriate.
4277 * Makefile.in (build/vec.o): Adjust dependencies.
4278 * mkconfig.sh: Make sure config.h isn't used for build machine
4281 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4283 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4285 (mark_phi_for_rewrite): New function.
4286 (insert_phi_nodes_for, mark_use_interesting): Call
4287 mark_phi_for_rewrite.
4288 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4289 (update_ssa): Initialize and free phis_to_rewrite.
4291 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4293 PR rtl-optimization/27291
4294 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4295 folded to a constant.
4297 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4299 PR tree-optimization/27283
4300 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4301 not whole # of iteration descriptions.
4302 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4303 uses abnormal ssa name.
4304 (niter_for_single_dom_exit): Ditto.
4305 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4306 return just the number of iterations.
4308 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4310 PR tree-optimization/27144
4311 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4312 (record_estimate): Only record constant upper bound.
4313 (infer_loop_bounds_from_undefined): Call
4314 compute_estimated_nb_iterations just once.
4315 (proved_non_wrapping_p): Renamed to ...
4316 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4317 (convert_step_widening, scev_probably_wraps_p): Call
4318 n_of_executions_at_most instead of proved_non_wrapping_p.
4319 (substitute_in_loop_info): Do not replace values in bounds.
4320 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4323 2006-05-01 Richard Henderson <rth@redhat.com>
4326 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4327 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4330 2006-05-01 Roger Sayle <roger@eyesopen.com>
4332 * c-typeck.c (parser_build_binary_op): Don't call the function
4333 unsigned_conversion_warning to spot operand/result type overflow.
4334 (build_binary_op): Instead, call convert_and_check instead of
4335 convert to report the problem when the operands are promoted.
4336 * c-common.c (unsigned_conversion_warning): Make static.
4337 * c-common.h (unsigned_conversion_warning): Delete prototype.
4339 2006-05-01 Richard Guenther <rguenther@suse.de>
4341 PR tree-optimization/26726
4342 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4344 (find_interesting_uses_address): ... we work around here
4345 by folding INDIRECT_REFs in the substituted base.
4347 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4349 * omp-low.c (dump_omp_region): Add newlines.
4351 2006-04-30 Roger Sayle <roger@eyesopen.com>
4353 * common.opt (Woverflow): New command line option.
4354 * c-common.c (constant_expression_warning): Check warn_overflow.
4355 (overflow_waring): Pass OPT_Woverflow to warning.
4356 (unsigned_conversion_warning): Likewise.
4357 (convert_and_check): Likewise.
4358 * doc/invoke.texi: Document new command line option.
4360 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4362 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4363 TARGET_NO_FP_IN_TOC for section anchors.
4364 (optimization_options): Enable section anchors for all
4365 non-"Objective" languages.
4367 2006-04-28 Eric Christopher <echristo@apple.com>
4369 * config/darwin-c.c (darwin_ms_struct): Move this
4370 (darwin_set_default_type_attributes): and this...
4371 * config/darwin.c: ... here.
4372 * config/darwin.h (darwin_ms_struct): Declare.
4374 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4376 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4378 2006-04-28 Roger Sayle <roger@eyesopen.com>
4381 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4382 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4383 an unsigned HOST_WIDE_INT.
4384 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4386 (really_start_incremental_init): No need to call convert because
4387 bitsize_zero_node is already of type bitsizetype.
4388 (push_init_level): Extract the value of constructor_index as an
4389 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4390 (process_init_element): Likewise.
4392 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4394 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4395 value before passing to make_relative_prefix.
4397 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4400 * builtins.c (expand_builtin_memset): Expand val in original mode.
4402 2006-04-27 Eric Christopher <echristo@apple.com>
4404 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4405 with #ifndef/#endif.
4406 * config/darwin-c.c (darwin_ms_struct): New.
4407 (darwin_pragma_ms_struct): Ditto.
4408 (darwin_set_default_type_attributes): Ditto.
4409 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4410 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4411 Register ms_struct pragma.
4412 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4413 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4414 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4415 darwin_set_default_type_attributes if TARGET_MACHO.
4417 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4419 PR tree-optimization/26854
4420 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4421 * doc/tree-ssa.texi: Update immuse iterator documentation.
4422 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4423 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4424 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4425 first_safe_imm_use, next_safe_imm_use): Remove.
4426 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4427 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4428 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4429 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4430 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4431 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4432 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4433 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4434 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4435 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4436 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4437 (perfect_nestify): Use new iterator.
4438 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4440 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4441 (next_imm_name): New field in struct immediate_use_iterator_d.
4442 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4443 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4444 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4445 * tree-cfg.c (replace_uses_by): Use new iterator.
4446 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4447 * tree-ssa-operands.c (correct_use_link): Remove.
4448 (finalize_ssa_use_ops): No longer call correct_use_link.
4450 2006-04-27 Stuart Hastings <stuart@apple.com>
4452 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4453 * config/t-darwin (crt3.o): Use it.
4454 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4455 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4456 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4457 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4458 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4461 2006-04-27 Roger Sayle <roger@eyesopen.com>
4463 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4464 size, force the intermediate into a new pseudo rather instead of
4465 performing both a bitwise AND and a bitwise IOR in memory.
4467 2006-04-27 Richard Guenther <rguenther@suse.de>
4469 PR rtl-optimization/26685
4470 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4471 this one "max-flow-memory-locations".
4473 2006-04-27 Richard Guenther <rguenther@suse.de>
4475 PR tree-optimization/25148
4476 * tree-vrp.c (compare_values): Remove code dealing with
4477 comparisons against type min/max value. Honour overflow
4478 and negative constants in code dealing with comparisons
4479 of plus and minus expressions.
4480 (value_inside_range): Use fold_binary with LE_EXPR and
4481 GE_EXPR rather than compare_values.
4483 2006-04-27 Dirk Mueller <dmueller@suse.de>
4485 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4488 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4490 * basic-block.h (safe_insert_insn_on_edge): Removed.
4491 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4493 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4494 Paolo Bonzini <bonzini@gnu.org>
4497 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4498 (simplify_and_const_int): Same.
4500 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4502 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4504 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4507 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4508 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4509 cgraph_global_info_ready.
4512 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4515 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4516 either decl or init is error_mark_node.
4519 * tree-flow.h (struct omp_region): Add sched_kind.
4520 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4521 instead of extracting omp for data.
4522 (expand_omp_for): Save extracted sched_kind.
4524 2006-04-25 Roger Sayle <roger@eyesopen.com>
4526 * expmed.c (store_bit_field): Also check whether the bitsize is
4527 valid for the machine's "insv" instruction before moving the
4528 target into a pseudo for use with the insv.
4529 * config/i386/predicates.md (const8_operand): New predicate.
4530 * config/i386/i386.md (extv, extzv, insv): Use the new
4531 const8_operand predicate where appropriate.
4533 2006-04-25 DJ Delorie <dj@redhat.com>
4535 * doc/install.texi (Specific): Clarify that this is not a list of
4536 supported hosts or targets.
4538 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4540 PR rtl-optimization/26725
4541 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4542 block's BB_DIRTY flag.
4544 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4546 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4549 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4550 to print an integer.
4552 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4554 * varasm.c (align_variable): New function.
4555 (get_block_for_decl): Apply align_variable to DECL before
4556 calculating section information.
4557 (assemble_variable): Split out alignment computation.
4559 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4561 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4564 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4566 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4567 MODE_PARTIAL_INT mode.
4568 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4569 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4571 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4572 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4574 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4576 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4578 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4579 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4580 MACFLAG_IH): Likewise.
4581 (movstricthi_1): Renamed from "*movstricthi".
4582 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4583 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4584 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4585 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4586 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4587 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4588 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4589 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4590 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4591 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4592 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4593 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4594 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4595 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4596 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4598 * doc/rtl.texi (ss_ashift): Improve wording.
4600 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4602 * dwarf2out.c (verify_marks_clear): New.
4603 (prune_unused_types): Call verify_marks_clear initially, not
4606 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4608 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4609 * doc/rtl.texi: Document them.
4610 * simplify-rtx.c (simplify_unary_operation,
4611 simplify_binary_operation_1): Don't abort when we see them.
4613 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4616 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4617 * configure.ac: Completely disregard languages that are not
4619 * configure: Regenerated.
4621 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4622 Richard Guenther <rguenther@suse.de>
4624 PR tree-optimization/27236
4625 * tree-inline.c (copy_body_r): Make sure to copy
4626 TREE_THIS_VOLATILE flag.
4628 2006-04-24 Richard Guenther <rguenther@suse.de>
4631 * tree-complex.c (update_parameter_components): Don't handle
4632 unused parameters which have no default def.
4634 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4635 Richard Guenther <rguenther@suse.de>
4637 PR tree-optimization/27218
4638 * tree-inline.c (expand_call_inline): Strip useless type
4639 conversions for the return slot address.
4641 2006-04-24 Richard Guenther <rguenther@suse.de>
4643 * cfgloop.h (struct loops): Remove unused field array. Reorder
4645 (LOOP_PREFETCH): Remove.
4647 2006-04-24 Richard Guenther <rguenther@suse.de>
4649 PR tree-optimization/22525
4650 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4651 variable, adjust types of generated expressions.
4653 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4655 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4656 (tree-vect-patterns.o): Likewise.
4658 (cselib.o): Likewise.
4659 (loop-doloop.o): Likewise.
4660 (regclass.o): Likewise.
4661 (reload1.o): Likewise.
4662 (explow.o): Replace target.h with $(TARGET_H).
4663 (ipa-prop.o): Likewise.
4664 (ipa-cp.o): Likewise.
4665 (ipa-inline.o): Likewise.
4666 (reorg.o): Likewise.
4667 (reg-stack.o): Likewise.
4669 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4671 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4673 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4675 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4677 * configure.ac: Completely disregard languages that are not
4679 * configure: Regenerated.
4682 * c-common.h (c_build_bitfield_integer_type): Declare.
4683 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4684 * c-common.c (c_build_bitfield_integer_type): ... here.
4686 2006-04-23 Roger Sayle <roger@eyesopen.com>
4689 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4690 a SImode SUBREG of a floating point register after no_new_pseudos.
4692 2006-04-23 Roger Sayle <roger@eyesopen.com>
4694 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4695 identify potentially eliminable registers to additionally catch
4696 VIRTUAL_INCOMING_ARGS_REGNUM.
4697 (addsi3): Update the conditions on when to use addsi_small_int.
4699 2006-04-23 Roger Sayle <roger@eyesopen.com>
4702 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4703 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4704 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4706 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4708 * fold-const.c (range_predecessor): Use operand_equal_p
4709 as the predicate for equality.
4710 (range_successor): Likewise.
4712 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4715 * config/soft-fp/op-common.h: Fix a typo.
4717 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4720 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4721 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4723 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4725 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4727 * doc/tm.texi: Fix a typo.
4729 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4731 * dwarf2out.c (struct die_struct): Document that die_sib makes
4732 a circular linked list.
4733 (FOR_EACH_CHILD): New.
4734 (reverse_die_lists): Delete.
4735 (reverse_all_dies): Delete.
4736 (add_dwarf_attr): Correct documentation.
4737 (remove_child_with_prev): New.
4738 (remove_child_TAG): Update for change to die_struct, use
4739 remove_child_with_prev.
4740 (add_child_die): Update for change to die_struct.
4741 (splice_child_die): Use remove_child_with_prev and add_child_die.
4742 (print_die): Use FOR_EACH_CHILD.
4743 (die_checksum): Likewise.
4744 (assign_symbol_names): Likewise.
4745 (output_location_lists): Likewise.
4746 (build_abbrev_table): Likewise.
4747 (calc_die_sizes): Likewise.
4748 (mark_dies): Likewise.
4749 (unmark_dies): Likewise.
4750 (unmark_all_dies): Likewise.
4751 (output_die): Likewise.
4752 (prune_unused_types_mark): Likewise.
4753 (prune_unused_types_walk): Likewise.
4754 (same_die_p): Update for change to die_struct.
4755 (break_out_includes): Likewise.
4756 (prune_unused_types_prune): Likewise.
4757 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4758 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4760 (dwarf2out_finish): Don't call reverse_all_dies.
4762 2006-04-21 Eric Christopher <echristo@apple.com>
4764 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4765 in comments and function names.
4767 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4770 * c-typeck.c (digest_init): Robustify.
4772 * c-typeck.c (pop_init_level): Simplify.
4774 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4776 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4778 2006-04-21 Paul Brook <paul@codesourcery.com>
4780 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4781 hardware floating point.
4783 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4785 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4788 2006-04-21 Nick Clifton <nickc@redhat.com>
4790 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4793 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4796 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4797 C++ lang type in traceback table for Objective-C++.
4799 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4801 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4803 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4805 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4808 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4809 were errors. Remove check for erroneous objects.
4811 2006-04-20 Jeff Law <law@redhat.com>
4813 PR tree-optimization/26854
4814 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4815 checking for zero or one use.
4816 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4817 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4818 * tree-ssa-reassoc.c (negate_value): Similarly.
4819 (reassociate_bb): Similarly.
4821 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4823 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4824 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4825 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4827 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4829 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4830 fp regs if the last fp arg doesn't fit in regs.
4832 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4835 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4836 that the last insn has the REG_INC note.
4838 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4839 Nathan Sidwell <nathan@codesourcery.com>
4842 * stor-layout.c (update_alignment_for_field): Do not align
4844 (place_union_field): Place union field at the start of the union.
4845 (place_field): Move ERROR_MARK check later, and use the current
4846 allocation position to maintain monotonicity.
4848 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4850 * dominance.c: Include timevar.h.
4851 (calculate_dominance_info): Use TV_DOMINANCE.
4852 * timevar.def (TV_DOMINANCE): New timevar.
4853 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4855 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4857 PR rtl-optimization/14261
4858 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4859 move would be an INSV insn.
4860 (noce_process_if_block): Don't optimize if the destination is a
4861 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4863 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4865 * config/s390/s390.md: Add comments with the instructions emitted
4866 by an insn pattern if macros are used.
4868 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4870 PR rtl-optimization/26026
4871 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4872 is a known power of two shifted left a variable amount.
4874 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4876 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4877 to hash table twice when the debug_str section has SECTION_MERGE.
4879 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4881 * config/soft-fp: New directory. From glibc.
4882 * config/soft-fp/t-softfp: New.
4883 * config/soft-fp/README: New.
4884 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4885 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4886 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4887 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4888 * config.gcc: Use rs6000/t-fprules-fpbit or
4889 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4891 * config/rs6000/sfp-machine.h: New. Based on glibc.
4892 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4894 * config/rs6000/t-fprules: Remove fp-bit rules.
4895 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4896 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4897 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4898 (softfp_wrap_start, softfp_wrap_end): New.
4900 2006-04-18 DJ Delorie <dj@redhat.com>
4902 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4904 2006-04-18 Devang Patel <dpatel@apple.com>
4906 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4908 2006-04-18 Nick Clifton <nickc@redhat.com>
4910 * config/sh/t-symbian: Add rule to build sh-c.o
4911 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4912 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4913 (sh_symbian_encode_section_info): Likewise.
4915 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4917 * builtins.c (expand_builtin_strcmp): Cover label definition of
4918 do_libcall with HAVE_cmpstrnsi.
4920 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4922 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4924 * function.h (temp_slot_p): New.
4925 (function): Change the type of x_used_temp_slots to
4926 VEC(temp_slot_p,gc) *.
4928 2006-04-18 Nick Clifton <nickc@redhat.com>
4930 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4931 flag_strength_reduce.
4933 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4935 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4939 Partial revert of revision 112637
4940 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4941 Dale Johannesen <dalej@apple.com>
4944 * regclass.c (struct reg_pref): Update documentation.
4945 (regclass): Set prefclass to NO_REGS if memory is the best option.
4946 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4948 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4950 PR tree-optimization/26821
4951 * tree-ssa-math-opts.c (get_constant_one): New.
4952 (insert_reciprocals): Use it.
4954 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4956 * dwarf2out.c (free_AT): Delete.
4957 (remove_AT): Update string ref counts.
4958 (remove_child_TAG): Don't call free_die.
4960 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4961 or DW_TAG_GNU_EINCL.
4962 (prune_unused_types_walk_attribs): Reset string refcounts.
4963 (prune_unused_types_update_strings): New.
4964 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4965 call free_die. Do call prune_unused_types_update_strings.
4966 (prune_unused_types): Empty debug_str_hash.
4968 2006-04-17 Roger Sayle <roger@eyesopen.com>
4970 * expr.c (expand_assignment): Optimize away no-op moves where the
4971 source and destination are equal and have no side-effects.
4973 2006-04-17 Richard Guenther <rguenther@suse.de>
4976 * reload.c (push_reload): Guard calls to get_secondary_mem
4979 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4981 * alias.c (reg_base_value, old_reg_base_value): Change the
4982 type to VEC(rtx,gc) *.
4983 (REG_BASE_VALUE, find_base_value, record_set,
4984 init_alias_analysis): Use VEC instead of VARRAY.
4986 * alias.c (alias_sets): Change the type to
4987 VEC(alias_set_entry,gc) *.
4988 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4989 VEC instead of VARRAY.
4990 (last_alias_set): Remove.
4992 * cgraph.h (cgraph_edge_p): New.
4993 Update the prototype of cgraph_function_versioning.
4994 * cgraphunit.c (cgraph_copy_node_for_versioning,
4995 cgraph_function_versioning): Use VEC instead of VARRAY.
4996 * ipa-cp.c (ipcp_insert_stage): Likewise.
4998 2006-04-16 Roger Sayle <roger@eyesopen.com>
5001 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5002 "A op B" or "A op C", we may need to convert A to the type of B and C.
5004 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5006 * target.h (struct gcc_target): Add mode_rep_extended.
5007 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5008 (init_num_sign_bit_copies_in_rep): Initialize it using
5010 (truncate_to_mode): Use it.
5011 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5012 * targhooks.h (default_mode_rep_extended): Declare it.
5013 * targhooks.c (default_mode_rep_extended): Define it.
5014 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5015 default_mode_rep_extended.
5016 (TARGET_INITIALIZER): Include it.
5017 * doc/tm.texi (Misc): Document it.
5018 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5019 (mips_truncated_to_mode): New function.
5021 2006-04-16 Roger Sayle <roger@eyesopen.com>
5024 * expr.c (compress_float_constant): Copy the narrow constant into
5025 a new pseudo before extending it to its final width.
5027 2006-04-16 Roger Sayle <roger@eyesopen.com>
5028 Andrew Pinski <pinskia@gcc.gnu.org>
5029 Dale Johannesen <dalej@apple.com>
5032 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5033 special case code to implement V8HImode and V16QImode with SSE2.
5035 2006-04-15 Roger Sayle <roger@eyesopen.com>
5037 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5038 trees are constructed with a suitable tree type.
5040 2006-04-15 Roger Sayle <roger@eyesopen.com>
5042 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5043 (integer_onep): Likewise.
5044 (integer_all_onesp): Likewise.
5045 (integer_pow2p): Likewise.
5046 (integer_nonzerop): Likewise.
5047 (real_zerop): Likewise.
5048 (real_onep): Likewise.
5049 (real_twop): Likewise.
5050 (real_minus_onep): Likewise.
5051 (int_size_in_bytes): Likewise.
5052 (host_integerp): Likewise.
5054 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5056 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5057 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5058 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5060 * tree-ssa-structalias.h (alias_info): Remove num_references.
5062 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5064 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5065 (output_bvb patterns): Likewise.
5066 * pa.c (output_bb): Use 'bb' insn for long branch case.
5067 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5068 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5069 1. Correct length operand for alternatives 1 and 2.
5070 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5071 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5073 2006-04-14 Roger Sayle <roger@eyesopen.com>
5075 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5076 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5077 were accidentally reverted by r112959.
5079 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5082 * except.h (eh_region_outermost): New prototype.
5083 * except.c (eh_region_outermost): New function.
5084 * tree-cfg.c (find_outermost_region_in_block): Use it.
5086 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5088 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5090 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5091 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5092 (init_reload, reload): Use VEC instead of VARRAY.
5093 * reload.h: Update the prototype for
5094 reg_equiv_memory_loc_varray.
5096 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5097 Eric Botcazou <ebotcazou@libertysurf.fr>
5099 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5102 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5105 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5106 to expand fallback builtin function call.
5108 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5111 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5112 and emit libcall here in case the builtin fails.
5113 (expand_builtin_strcmp): Always emit the libcall here on failure.
5115 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5117 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5118 * flow.c (reg_n_info): Change the type to
5119 VEC(reg_info_p,heap) *.
5120 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5122 * regs.h (reg_info_p): New.
5123 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5124 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5125 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5128 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5130 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5132 * params.h (MAX_SCHED_READY_INSNS): New macro.
5133 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5134 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5135 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5136 the ready list for 1 cycle during the first scheduling pass.
5137 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5139 2006-04-13 Richard Henderson <rth@redhat.com>
5142 * gimple-low.c (lower_omp_directive): Remove dead code.
5143 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5144 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5145 * omp-low.c (struct omp_region): Move to tree-flow.h.
5146 (root_omp_region): Export.
5147 (omp_regions, lookup_omp_region): Remove.
5148 (determine_parallel_type): Update for struct omp_region changes.
5149 (dump_omp_region): Dump regions with block numbers.
5150 (new_omp_region): Take type and block instead of stmt; malloc
5152 (free_omp_region_1, free_omp_regions): New.
5153 (expand_parallel_call): Take entry_stmt as argument; update for
5154 changes to omp_region.
5155 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5156 (remove_exit_barriers): New.
5157 (expand_omp_parallel): Update for struct omp_region changes.
5158 (expand_omp_synch): Likewise.
5159 (expand_omp): Likewise.
5160 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5161 (expand_omp_for_static_chunk): Likewise.
5162 (expand_omp_for): Likewise.
5163 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5164 (expand_omp_sections): Similarly, with GOMP_sections_end.
5165 (expand_omp_single): New.
5166 (build_omp_regions_1): Update for OMP_CONTINUE.
5167 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5168 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5169 OMP_SECTIONS_SECTIONS.
5170 (lower_omp_single_simple): Don't emit barrier here.
5171 (lower_omp_single_copy): Likewise.
5172 (lower_omp_single): Fix bindings, and lower to straightline now.
5173 (lower_omp_master, lower_omp_ordered): Likewise.
5174 (lower_omp_critical): Likewise.
5175 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5176 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5177 omp edges, free it afterward.
5178 (make_omp_sections_edges): Remove.
5179 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5180 (move_stmt_r): Handle OMP_CONTINUE.
5181 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5182 statement pointers to basic blocks. Add type member.
5183 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5184 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5185 * tree-inline.c (estimate_num_insns_1): Likewise.
5186 * tree-pretty-print.c (dump_generic_node): Likewise.
5187 * tree-ssa-operands.c (get_expr_operands): Likewise.
5188 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5189 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5190 (OMP_CONTINUE): New.
5191 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5192 (OMP_SECTIONS_SECTIONS): Remove.
5193 (OMP_SECTION_LAST): New.
5194 (OMP_RETURN_NOWAIT): New.
5196 2006-04-13 Roger Sayle <roger@eyesopen.com>
5198 * fold-const.c (native_encode_vector, native_interpret_real):
5199 Correct obvious mistakes in the previous check-in.
5201 2006-04-13 Roger Sayle <roger@eyesopen.com>
5203 * fold-const.c (native_encode_expr): New function to encode
5204 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5205 or VECTOR_CST into a specified buffer.
5206 (native_encode_int): New function.
5207 (native_encode_real): New function.
5208 (native_encode_complex): New function.
5209 (native_encode_vector): New function.
5210 (native_interpret_expr): Inverse of native_encode_expr to convert
5211 a target representation into an INTEGER_CST, REAL_CST etc...
5212 (native_interpret_int): New function.
5213 (native_interpret_real): New function.
5214 (native_interpret_complex): New function.
5215 (native_interpret_vector): New function.
5216 (fold_view_convert_expr): New function to constant fold/evaluate
5217 a VIEW_CONVERT_EXPR of a suitable constant expression.
5218 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5219 Change call of build1 to fold_build1 when constructing a
5222 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5223 Ulrich Weigand <uweigand@de.ibm.com>
5226 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5229 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5232 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5233 optimize to lo_sum for DFmode if !TARGET_FPRS.
5235 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5237 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5238 delete_alias_info, compute_flow_sensitive_aliasing,
5239 group_aliases): Use VEC instead of VARRAY.
5240 * tree-ssa-structalias.c (update_alias_info): Likewise.
5241 * tree-ssa-structalias.h (alias_info): Change the type of
5242 processed_ptrs to VEC(tree,heap) *.
5244 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5247 * config/sh/lib1funcs.h: New file, broken out of:
5248 * config/sh/lib1funcs.asm.
5249 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5251 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5252 * config/sh/lib1funcs-Os-4-200.asm: New file.
5253 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5254 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5255 (EXTRA_MULTILIB_PARTS): Include it.
5256 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5257 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5258 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5259 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5262 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5264 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5265 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5266 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5268 * tree-ssa-live.h: Include vecprim.h.
5269 (tree_partition_associator_d): Change the type of
5270 first_partition to VEC(int,heap) *.
5271 (tpa_first_partition): Use VEC instead of VARRAY.
5273 * Makefile.in (GTFILES): Move functions.h after tree.h.
5274 * function.c (reset_block_changes, record_block_change,
5275 check_block_change, free_block_changes): Use VEC instead of
5277 * function.h (function): Change the type of
5278 ib_boundaries_block to VEC(tree,gc) *.
5279 * tree-inline.c (copy_cfg_body): Initialize
5280 ib_boundaries_block to NULL instead of (varray_type) 0.
5282 2006-04-12 Roger Sayle <roger@eyesopen.com>
5284 * expr.c (emit_group_store): Correct operand order in call to
5285 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5286 a SUBREG_BYTE of zero.
5288 2006-04-12 Richard Guenther <rguenther@suse.de>
5290 * profile.c (compute_branch_probabilities): Remove code
5291 encapsulated in !ir_type (), which are remanents of the
5292 removed RTL profiling code.
5293 * rtl-profile.c: Remove.
5295 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5297 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5298 magic NULL_RTX comment.
5299 (function_arg): Store entire fp arg to mem if any part should go
5301 (rs6000_arg_partial_bytes): Adjust for above change.
5303 2006-04-11 Roger Sayle <roger@eyesopen.com>
5305 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5306 if it hasn't been initialized by dwarf2out_init.
5308 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5310 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5311 symbolic constants in branch patterns.
5313 2006-04-11 Roger Sayle <roger@eyesopen.com>
5315 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5317 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5319 PR rtl-optimization/27073
5320 * gcse.c (try_replace_reg): Revert last change. Continue to search
5321 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5324 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5326 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5327 aggregate types other than record and union types.
5328 (function_arg): Likewise.
5329 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5331 (function_value): In 64-bit mode, return objects that require it
5334 2006-04-11 Roger Sayle <roger@eyesopen.com>
5336 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5338 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5340 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5342 2006-04-03 Jeff Law <law@redhat.com>
5345 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5346 alias information too.
5348 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5350 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5352 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5355 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5356 (premark_used_types_helper): New.
5357 (premark_used_types): New.
5358 (gen_subprogram_die): Call premark_used_types.
5359 (prune_unused_types_walk): Do not prune perennial dies.
5360 * function.c (used_types_insert): New.
5361 * function.h (struct function): Add used_types_hash field.
5362 (used_types_insert): Add prototype.
5363 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5364 * c-parser.c (c_parser_cast_expression): Save casted types in used
5367 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5370 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5371 rs6000_explicit_options.float_gprs.
5373 2006-04-10 Roger Sayle <roger@eyesopen.com>
5375 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5376 from ix86_expand_vector_init_low_nonzero. Take an additional
5377 one_var argument indicating which element is non-zero. Support
5378 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5379 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5380 with one_var instead of ix86_expand_vector_init_low_nonzero.
5382 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5384 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5385 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5386 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5387 build/genextract.o): Depend on vecprim.h.
5388 * cfglayout.c, df-problems.c, function.c, genextract.c,
5389 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5390 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5394 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5396 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5397 Declare VECs of this type.
5398 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5399 (remove_children): Delete.
5400 (add_dwarf_attr): Use VEC routines.
5401 (add_AT_flag): Update for changes to add_dwarf_attr.
5402 (add_AT_int): Likewise.
5403 (add_AT_unsigned): Likewise.
5404 (add_AT_long_long): Likewise.
5405 (add_AT_vec): Likewise.
5406 (add_AT_string): Likewise.
5407 (add_AT_die_ref): Likewise.
5408 (add_AT_fde_ref): Likewise.
5409 (add_AT_loc): Likewise.
5410 (add_AT_loc_list): Likewise.
5411 (add_AT_addr): Likewise.
5412 (add_AT_lbl_id): Likewise.
5413 (add_AT_lineptr): Likewise.
5414 (add_AT_macptr): Likewise.
5415 (add_AT_offset): Likewise.
5416 (add_AT_range_list): Likewise.
5417 (get_AT): Use VEC_iterate.
5418 (remove_AT): Use VEC_ordered_remove.
5419 (free_die): Fold remove_children into here; have it use VEC_iterate.
5420 (print_die): Use VEC_iterate on attrs.
5421 (reverse_die_lists): Don't reverse attr lists.
5422 (die_checksum): Use VEC_iterate on attrs.
5423 (same_die_p): Likewise.
5424 (output_location_lists): Likewise.
5425 (build_abbrev_table): Likewise.
5426 (size_of_die): Likewise.
5427 (unmark_all_dies): Likewise.
5428 (output_abbrev_section): Likewise.
5429 (output_die): Likewise.
5430 (prune_unused_types_walk_attribs): Likewise.
5432 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5434 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5436 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5439 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5441 2006-04-09 Roger Sayle <roger@eyesopen.com>
5443 * expr.c (store_constructor): Don't bother clearing target if
5444 we're about to assign a vector to it using vec_init_optab.
5446 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5448 * tree-ssa-alias.c (lhs_may_store_to): New function.
5449 (recalculate_used_alone): Handle LHS of calls.
5451 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5455 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5456 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5457 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5458 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5459 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5460 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5461 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5462 stubs. Add ".align 8" directives before all ".dword" directives.
5463 (GTHREAD_USE_WEAK): Revise comment.
5464 (TARGET_ATTRIBUTE_WEAK): Define.
5465 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5466 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5467 * stublib.c: New file.
5472 * pa.md (cbranch patterns): Revise arguments used in calls to
5473 output_cbranch, output_bb and output_bvd. Add long branch length
5475 (fbranch patterns): Handle long branches.
5476 (jump): Revise length check. Revise arguments for output_lbranch call.
5477 Add long branch length attributes.
5478 (decrement_and_branch_until_zero): Add long branch length attributes.
5479 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5480 Likewise. Revise arguments for output_parallel_addb and
5481 output_parallel_movb calls.
5482 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5483 output_parallel_movb and output_parallel_addb): Update prototypes.
5484 * pa.c (output_cbranch): Revise arguments. Correct handling of
5485 nullification in long branches.
5486 (output_lbranch): Add new argument to control extraction of delay
5488 (output_bb): Handle long branches.
5489 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5490 output_parallel_addb): Likewise.
5492 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5494 PR rtl-optimization/27073
5495 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5498 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5500 * tree.h (tree_memory_tag): Add old_used_alone.
5501 (SMT_OLD_USED_ALONE): New macro.
5502 * tree-ssa-alias.c (recalculate_used_alone): Stop
5503 marking things for renaming unnecessarily.
5505 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5507 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5508 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5509 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5510 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5511 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5512 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5513 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5514 spelling convensions.
5515 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5516 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5517 typos. Follow spelling conventions.
5519 2006-04-07 DJ Delorie <dj@redhat.com>
5521 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5522 passed on the stack.
5523 (m32c_init_cumulative_args): When a function returns a structure,
5524 always pass the pointer to that return area on the stack.
5525 (m32c_function_arg_advance): Don't increment the parameter number
5526 if we're processing the returned structure pointer.
5527 (pushm_info): Reverse order of registers.
5529 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5531 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5532 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5533 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5534 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5536 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5537 chrec_fold_multiply): Same.
5538 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5539 force_expr_to_var_cost): Same.
5540 * tree-mudflap.c (mf_xform_derefs_1): Same.
5541 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5543 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5545 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5546 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5549 2006-04-07 Jan Hubicka <jh@suse.cz>
5551 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5553 2006-04-07 Richard Guenther <rguenther@suse.de>
5555 PR tree-optimization/26135
5556 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5557 loads for store copy-prop.
5558 (copy_prop_visit_stmt): Likewise.
5560 2006-04-05 Robert Millan <robertmh@gnu.org>
5562 * config/i386/linux.h: Add a comment to mark macros that are
5563 being overriden in config/k*bsd-gnu.h.
5564 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5566 * config/knetbsd-gnu.h: Ditto.
5568 2006-04-06 Jan Hubicka <jh@suse.cz>
5572 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5575 2006-04-06 Mike Stump <mrs@apple.com>
5577 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5578 for HAVE_nonlocal_goto to be consistent.
5579 (expand_builtin_nonlocal_goto): Likewise.
5580 (expand_builtin_strcmp): Use #ifdef instead of #if
5581 for HAVE_cmpstrnsi to be consistent.
5583 2006-04-05 DJ Delorie <dj@redhat.com>
5585 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5588 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5590 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5591 got-relative addressing for anything but SImode.
5593 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5594 even if the calling function doesn't modify them.
5596 2006-04-05 Richard Guenther <rguenther@suse.de>
5598 PR tree-optimization/26919
5599 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5600 to cgraph_estimate_size_after_inlining.
5602 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5604 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5606 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5608 PR tree-optimization/26996
5609 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5610 VECTOR_TYPE variables.
5612 2006-04-05 Richard Guenther <rguenther@suse.de>
5614 PR tree-optimization/26763
5615 * fold-const.c (fold_comparison): Move folding of
5616 PTR + CST CMP PTR + CST ...
5617 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5619 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5621 * doc/install.texi (Prerequisites): Refine some wording on
5622 bootstrapping and ksh.
5623 Move the version numbers of DejaGnu here from the testing section
5624 and fix casing of names.
5625 Fix markup and clarify wording for autogen requirements.
5626 Refer to GCJ instead of just java.
5627 Refer to SVN instead of CVS.
5628 Describe diffutils as useful instead of necessary.
5629 (Downloading the source): Refer to SVN instead of CVS.
5630 Adjust a link to our web site accordingly.
5631 (Configuration): Fix casing of Bison.
5632 (Building): Refer to SVN instead of CVS.
5633 Fix a sentence on the use of Bison and remove duplicate (and
5634 incorrect) version number of Bison requirement.
5635 Remove one redundant list of packages needed for building.
5636 (Specific): Avoid reference to CVS.
5638 2006-04-04 Eric Christopher <echristo@apple.com>
5640 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5641 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5642 (rs6000_handle_struct_attribute): New.
5643 (rs6000_ms_bitfield_layout_p): Ditto.
5645 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5647 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5648 NULL for dso parameter to atexit_common.
5650 2006-04-04 Eric Christopher <echristo@apple.com>
5652 * config/i386/i386.c (machopic_output_stub): Output \t
5653 between instructions and operands.
5655 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5657 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5658 satisfies_constraint_[IL] to explicit tests on value.
5660 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5662 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5663 set_nb_iterations_in_loop): Use build_int_cst instead of
5665 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5666 build_int_cst instead of convert.
5668 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5670 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5671 new value 2 for incoming.
5672 * function.c (expand_function_start): Call struct_value_rtx
5674 * config/sparc/sparc.md: Comment updated_return.
5675 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5676 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5677 struct return if sparc_std_struct_return and incoming is 2.
5678 (print_operand): Do not adjust return if
5679 sparc_std_struct_return.
5681 2006-04-04 Roger Sayle <roger@eyesopen.com>
5683 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5684 convert in the middle-end.
5685 * expr.c (store_expr, store_constructor, get_inner_reference,
5686 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5688 * tree.c (build_range_type): Likewise.
5690 2006-04-04 Tom Tromey <tromey@redhat.com>
5692 * doc/install.texi (Prerequisites): Mention jar.
5694 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5696 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5699 2006-04-04 Matthias Klose <doko@debian.org>
5701 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5702 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5705 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5707 * doc/extend.texi (Function Attributes): Rewrite visibility
5708 attribute documentation.
5709 * doc/invoke.texi (C++ Dialect Options): Rewrite
5710 -fvisibility-inlines-hidden documentation to describe something
5711 entirely different, although in practise compatible.
5712 (Code Gen Options): Warn about system headers in -fvisibility=
5715 * doc/extend.texi (Other Builtins): Document that
5716 __builtin_nan is a compile-time constant only when its argument
5719 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5721 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5722 trying to remove TRUNCATE check if all bits outside the new mode
5723 are identical to the sign bit.
5725 2006-04-03 Jeff Law <law@redhat.com>
5727 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5728 and operand scanning in some common cases.
5730 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5731 Dale Johannesen <dalej@apple.com>
5734 * regclass.c (struct reg_pref): Update documentation.
5735 (regclass): Set prefclass to NO_REGS if memory is the best option.
5736 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5737 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5738 into account. For non-registers, equate an empty preferred
5739 reload class to a `!' in the constraint; move the if clause to
5740 do so after those that reject the insn.
5741 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5743 (find_dummy_reload): Likewise.
5744 * doc/tm.texi (Register Classes): Document what it means
5745 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5746 * config/i386/i386.c (ix86_preferred_reload_class): Force
5747 using SSE registers (and return NO_REGS for floating-point
5748 constants) if math is done with SSE.
5749 (ix86_preferred_output_reload_class): New.
5750 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5751 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5752 * config/i386/i386.md: Remove # register preferences.
5754 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5757 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5758 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5759 the type of nb_iter.
5760 (instantiate_parameters_1): Convert the operands before calling
5761 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5762 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5764 2006-04-02 Roger Sayle <roger@eyesopen.com>
5766 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5767 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5769 * dojump.c (do_jump): Likewise.
5770 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5771 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5772 gimplify_boolean_expr): Likewise.
5773 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5774 * varasm.c (array_size_for_constructor): Likewise.
5775 * tree-object-size.c (compute_object_offset): Likewise.
5777 2006-04-02 Roger Sayle <roger@eyesopen.com>
5780 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5781 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5783 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5785 PR tree-optimization/26939
5786 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5788 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5790 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5791 at_stmt. Convert the type of operands before calling
5792 build_polynomial_chrec.
5793 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5795 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5796 (instantiate_parameters_1): Convert the type of operands before calling
5797 build_polynomial_chrec.
5798 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5799 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5800 reset_evolution_in_loop): Insert asserts to check the types of the
5802 (chrec_type): Moved...
5803 (eq_evolutions_p): Use operand_equal_p.
5804 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5805 the types of the operands.
5806 (chrec_type): ...here.
5807 * tree-data-ref.c (create_data_ref): Convert the operands before
5808 calling chrec_replace_initial_condition.
5809 (same_access_functions, analyze_subscript_affine_affine,
5810 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5811 (compute_subscript_distance, analyze_ziv_subscript,
5812 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5813 analyze_miv_subscript): Convert the operands before calling
5814 chrec_fold_minus or chrec_fold_plus.
5816 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5818 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5819 the dependence_relations vector.
5820 (compute_data_dependences_for_loop): Adjust call to
5821 compute_all_dependences.
5823 2006-04-01 Roger Sayle <roger@eyesopen.com>
5824 Richard Henderson <rth@redhat.com>
5826 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5827 gimple_boolify on the condition before calling gimplify_expr.
5829 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5831 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5832 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5833 the frame size. Update to use the new macros.
5834 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5835 * config/xtensa/ieee754-df.S: Likewise.
5837 2006-03-31 Richard Henderson <rth@redhat.com>
5839 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5840 (make_edges): ... here. Control fallthru creation with a local
5841 variable. Do not play with fake edges.
5842 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5843 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5846 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5848 * dwarf2.h (DW64_CIE_ID): Define.
5849 * dwarf2out.c (DWARF_CIE_ID): Define.
5850 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5851 length header. Use DWARF_CIE_ID.
5852 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5853 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5855 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5857 * config/sh/linux-atomic.asm: New file.
5858 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5860 2006-03-31 DJ Delorie <dj@redhat.com>
5862 * config/m32c/cond.md: Set condition flags properly throughout.
5863 * config/m32c/minmax.md: Likewise.
5864 * config/m32c/prologue.md: Likewise.
5865 * config/m32c/bitops.md: Likewise.
5866 * config/m32c/muldiv.md: Likewise.
5867 * config/m32c/mov.md: Likewise.
5868 * config/m32c/addsub.md: Likewise.
5869 * config/m32c/m32c.md: Likewise.
5870 * config/m32c/jump.md: Likewise.
5871 * config/m32c/shift.md: Likewise.
5873 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5874 conditionally output the pattern for this.
5875 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5876 (m32c_compare_redundant): New.
5877 (m32c_output_compare): New.
5878 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5880 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5881 dest, not src. Allow other 4-byte modes.
5883 2006-03-30 Denis Chertykov <denisc@overta.ru>
5885 * doc/md.texi: Refer to avr/constraints.md instead of
5888 2006-03-30 Roger Sayle <roger@eyesopen.com>
5890 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5891 signed vs. unsigned comparison failures on some hosts.
5893 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5896 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5897 change to FLOAT_REGS.
5899 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5900 (rs6000_override_options): Use it.
5901 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5902 only for -mabi=spe/no-spe and -mabi=altivec.
5904 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5906 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5909 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5911 * Makefile.in: Rename docdir to gcc_docdir.
5913 2006-03-30 Roger Sayle <roger@eyesopen.com>
5916 * expr.c (emit_group_store): Optimize group stores into a pseudo
5917 register by using a paradoxical subreg to initialize the destination
5918 if the first or last member of the group specifies a "low part".
5920 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5923 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5924 * target.h (struct gcc_target.speculate_insn): Change type of the
5925 second parameter to 'int'.
5926 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5927 the second operand of the DEPS_LIST.
5928 (copy_DEPS_LIST_list): Update reference to the second operand of the
5930 * rtl.h (alloc_DEPS_LIST): Update signature.
5931 * sched-int.h (ds_t): Change typedef to 'int'.
5932 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5934 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5936 * haifa-sched.c (try_ready): Change condition to restore
5937 non-speculative pattern of the instruction.
5938 (process_insn_depend_be_in_spec): Code to keep probability of the
5939 speculative dependence non-decreasing.
5941 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5943 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5944 (single_move_for_movmem): ... this. Also change all uses.
5945 (bfin_expand_strmov): Renamed to...
5946 (bfin_expand_movmem): ... this. Also change all uses.
5947 * config/bfin/bfin.md (movstrsi): Renamed to...
5948 (movstrsi): ...this.
5950 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5952 PR tree-optimization/26830
5954 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5955 (copy_prop_visit_stmt): Remove write-only variable ann.
5956 (init_copy_prop): Check variable loop depth here. Do not simulate
5957 memory-tag and virtual operand PHIs except for store copy prop.
5959 2006-03-30 Richard Guenther <rguenther@suse.de>
5961 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5962 variants with double arguments.
5964 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5966 * genpreds.c (write_tm_constrs_h): Delete variable p.
5967 * genconditions.c (write_header): Add tm-constrs.h to included
5969 * genpeep.c (main): Add toplev.h to included headers.
5970 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5971 (build/genpeep.o): Add toplev.h dependency.
5972 * config/rs6000/constraints.md: Add "W" constraint.
5974 2006-03-29 Roger Sayle <roger@eyesopen.com>
5976 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5977 sizes by correctly testing whether the size fits a host integer.
5978 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5979 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5980 SImode range for the default sizetype and bitsizetype.
5982 2006-03-29 Roger Sayle <roger@eyesopen.com>
5984 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5985 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5986 quickly if the argument is already of the correct type.
5987 Call fold_build1 instead of build1. Tidy up blank lines.
5989 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5991 * genemit.c (main): Add tm-constrs.h to included headers.
5992 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5993 * genpeep.c (main): Add tm-constrs.h to included headers.
5994 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5995 (write_tm_constrs_h): this and write complete file.
5996 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5997 (write_insn_preds_c): Add tm-constrs.h to included headers.
5998 (gen_constrs): New variable.
5999 (parse_option): Parse "-c".
6000 (main): Invoke write_tm_constrs_h.
6001 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6002 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6003 (object_out_file): Add tm-constrs.h dependency.
6004 (insn-emit.o): Same.
6005 (insn-output.o): Same.
6006 (insn-peep.o): Same.
6007 (insn-preds.o): Same.
6008 (insn-recog.o): Same.
6009 (tm-constsr.h): New target.
6010 (s-constrs-h): New target.
6012 * config/rs6000/constraints.md: New file.
6013 * config/rs6000/rs6000.c: Include tm-constrs.h.
6014 (num_insn_constant_wide): Convert to satisfies_constraint.
6015 (rs6000_rtx_costs): Convert to satisfies_constraint.
6016 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6017 (CONST_OK_FOR_LETTER_P): Delete.
6018 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6019 (EXTRA_CONSTRAINT): Delete.
6020 (EXTRA_MEMORY_CONSTRAINT): Delete.
6021 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6022 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6023 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6024 satisfies_constraint.
6026 * config/i386/i386.c: Include tm-constrs.h.
6028 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6030 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6031 * tree-data-ref.c (find_data_references_in_loop,
6032 compute_data_dependences_for_loop): Use pointers to VEC.
6033 (analyze_all_data_dependences): Adjust calls.
6034 * tree-data-ref.h (find_data_references_in_loop,
6035 compute_data_dependences_for_loop): Adjust declarations.
6036 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6037 compute_data_dependences_for_loop.
6039 2006-03-29 Paul Brook <paul@codesourcery.com>
6041 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6044 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6046 PR tree-optimization/26859
6047 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6049 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6050 for the step after fold_convert.
6052 2006-03-29 Paul Brook <paul@codesourcery.com>
6054 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6055 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6057 2006-03-29 Paul Brook <paul@codesourcery.com>
6060 * targhooks.c (default_narrow_bitfield): New fuction.
6061 * targhooks.h (default_narrow_bitfield): add prototype.
6062 * target.h (gcc_target): Add narrow_volatile_bitfield.
6063 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6064 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6065 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6066 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6068 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6070 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6072 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6073 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6074 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6075 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6076 (s390_function_arg_float): Allow SDmode and DDmode values to be
6077 passed in floating point registers.
6078 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6079 check with SCALAR_FLOAT_MODE_P.
6080 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6082 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6084 PR tree-optimization/25985
6085 * tree-ssa-loop-niter.c (number_of_iterations_le,
6086 number_of_iterations_ne): Make comments more precise.
6087 (number_of_iterations_cond): Add only_exit argument. Use the
6088 fact that signed variables do not overflow only when only_exit
6090 (loop_only_exit_p): New.
6091 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6092 number_of_iterations_cond.
6094 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6096 PR tree-optimization/26643
6097 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6100 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6102 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6103 (divsi3_i4_int): Likewise.
6105 2006-03-28 Roger Sayle <roger@eyesopen.com>
6107 * expr.c (emit_group_store): Only create a new pseudo reg if the
6108 quantity it needs to hold isn't already a suitable pseudo.
6110 2006-03-28 Jeff Law <law@redhat.com>
6112 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6113 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6115 2006-03-28 Roger Sayle <roger@eyesopen.com>
6117 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6118 the equivalent ~X & Y, and the symmetry related transformations.
6119 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6120 ~X & Y, and symmetry related transforms.
6122 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6124 Revert my 2006-03-27 patches.
6126 2006-03-28 Roger Sayle <roger@eyesopen.com>
6128 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6129 ~(T1)X, when T1 and T2 are integer types of the same precision
6130 and (T2)X isn't an extension.
6132 2006-03-28 Jeff Law <law@redhat.com>
6134 PR tree-optimization/26796
6135 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6136 need EH edge cleanups rather than purging them immediately.
6137 (eliminate_degenerate_phis): Handle queued EH cleanups.
6139 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6141 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6144 2006-03-27 Roger Sayle <roger@eyesopen.com>
6147 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6148 cast BIT_NOT_EXPR operand to the correct type.
6150 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6152 * tree-loop-linear.c: Don't include varray.h.
6153 (gather_interchange_stats, try_interchange_loops,
6154 linear_transform_loops): Use VEC instead of VARRAY.
6155 * lambda-mat.c: Don't include varray.h.
6156 * tree-chrec.c: Same.
6157 * lambda-trans.c: Same.
6158 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6159 VEC instead of VARRAY.
6160 * tree-vectorizer.h: Idem.
6161 * tree-data-ref.c (dump_data_references,
6162 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6163 initialize_data_dependence_relation, finalize_ddr_dependent,
6164 compute_all_dependences, find_data_references_in_loop,
6165 compute_data_dependences_for_loop, analyze_all_data_dependences,
6166 free_dependence_relation, free_dependence_relations,
6167 free_data_refs): Idem.
6168 * tree-data-ref.h (data_reference_p, subscript_p): New.
6169 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6170 VEC instead of VARRAY.
6171 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6172 (find_data_references_in_loop, compute_data_dependences_for_loop,
6173 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6174 dump_data_dependence_relations, free_dependence_relations,
6175 free_data_refs): Adjust declaration.
6176 (lambda_transform_legal_p): Move declaration here...
6177 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6178 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6179 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6180 vect_analyze_data_refs): Use VEC instead of VARRAY.
6181 * lambda.h (lambda_transform_legal_p): ...from here.
6182 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6183 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6184 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6185 tree-chrec.o): Don't depend on VARRAY_H.
6187 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6189 * rtl.def (Copyright): Update date.
6190 (DEPS_LIST): Change type of the second operand to 'int'.
6191 * target.h (Copyright): Update date.
6192 (struct gcc_target.speculate_insn): Change type of the second parameter
6194 * lists.c (Copyright): Update date.
6195 (alloc_DEPS_LIST): Change signature. Update reference to the second
6196 operand of the DEPS_LIST.
6197 (copy_DEPS_LIST_list): Update reference to the second operand of the
6199 * rtl.h (Copyright): Update date.
6200 (alloc_DEPS_LIST): Update signature.
6201 * sched-int.h (Copyright): Update date.
6202 (ds_t): Change typedef to 'int'.
6203 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6205 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6207 * haifa-sched.c (Copyright): Update date.
6208 (try_ready): Change condition to restore non-speculative pattern
6210 (process_insn_depend_be_in_spec): Code to keep probability of the
6211 speculative dependence non-decreasing.
6213 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6215 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6216 shut up the compiler.
6218 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6220 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6221 to use lib prefix for target.
6222 ($(T)libic_invalidate_array_4-200.a): Likewise.
6223 ($(T)libic_invalidate_array_4a.a): Likewise.
6225 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6226 J"orn Rennecke <joern.rennecke@st.com>
6228 * superh.opt: New file.
6229 * sh.c (boardtype, osruntime): Remove.
6230 * superh.h (SUBTARGET_OPTIONS): Remove.
6231 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6233 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6234 arguments with ^ and/or [].
6236 * config.gcc (sh-*-*): Add quoting to account for quirk of
6238 Replace == with = in enable_incomplete_targets test.
6240 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6241 with MASK_LITTLE_ENDIAN.
6243 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6244 * config/sh/sh.opt: Added to some comments.
6245 * config/sh/superh.h: Removed some chaff.
6247 * config/sh/sh.opt: Add m4-[1234]00* options.
6248 * config/sh/sh.c (sh_handle_option): Likewise.
6249 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6250 (ic_invalidate_array_4-100.o): New rule.
6251 ($(T)libic_invalidate_array_4-100.a): Likewise.
6252 (ic_invalidate_array_4-200.o): Likewise.
6253 ($(T)libic_invalidate_array_4-200.a): Likewise.
6254 (ic_invalidate_array_4a.o): Likewise.
6255 ($(T)libic_invalidate_array_4a.a): Likewise.
6256 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6257 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6259 * config/sh/crt1.asm: Merged in profiling code.
6260 * config/sh/superh.h (STARTFILE_SPEC): Override.
6261 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6262 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6263 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6265 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6266 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6267 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6269 * sh.opt (mpretend-cmove): New option.
6270 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6271 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6272 (movsicc): Add TARGET_PRETEND_CMOVE code.
6274 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6276 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6277 s390_class_max_nregs): New function prototypes.
6278 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6279 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6280 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6281 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6283 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6285 * dwarf2out.c (add_location_or_const_value_attribute): Call
6286 tree_add_const_value_attribute if nothing else works.
6287 (reference_to_unused): New.
6288 (rtl_for_decl_init): Use reference_to_unused to decide whether
6289 to output an initializer.
6291 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6294 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6295 peephole removing spe frob_di_df_2.
6297 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6299 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6300 (subscript_dependence_tester_1): Declared.
6301 (print_dir_vectors, print_dist_vectors): New.
6302 (debug_data_dependence_relation): New.
6303 (dump_data_dependence_relation): Print more details.
6304 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6305 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6306 (save_dist_v, save_dir_v, add_outer_distances,
6307 build_classic_dist_vector_1): New.
6308 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6309 Don't test for lambda_vector_lexico_pos.
6310 (same_access_functions, add_multivariate_self_dist,
6311 add_other_self_distances, dir_from_dist): New.
6312 (build_classic_dir_vector): Replace implementation almost identical to
6313 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6315 (subscript_dependence_tester_1): New.
6316 (subscript_dependence_tester): Handle the lexicographically negative
6317 distance vectors by recomputing the dependence relation.
6318 (compute_affine_dependence): Remove parameter loop_nest_depth.
6319 (compute_self_dependence): Don't call compute_subscript_distance.
6320 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6321 Add a parameter for the loop_nest.
6322 (find_loop_nest_1, find_loop_nest): New.
6323 (compute_data_dependences_for_loop): Compute the loop nest, and give
6324 up if the nest is not well formed.
6325 * tree-data-ref.h (loop_p): New.
6326 (struct data_dependence_relation): Replace size_vect field with
6327 loop_nest, a vec of loops.
6328 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6329 (DDR_LOOP_NEST): New.
6330 (print_dir_vectors, print_dist_vectors,
6331 debug_data_dependence_relation): Declared.
6332 (index_in_loop_nest): New.
6333 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6334 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6337 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6339 * simplify-rtx.c (simplify_relational_operation): Call
6340 simplify_relational_operation_1 even if mode is VOIDmode.
6342 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6344 PR tree-optimization/26804
6345 * tree.h (DECL_CALL_CLOBBERED): New macro.
6346 (tree_decl_common): Add call_clobbered_flag.
6347 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6348 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6349 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6350 (mark_non_addressable): Ditto.
6351 * tree-ssa.c (verify_call_clobbered): New function.
6352 (verify_alias_info): Use it.
6353 * tree-pass.h (pass_reset_cc_flags): New prototype.
6354 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6355 (reset_cc_flags): New function.
6356 * passes.c (init_optimization_passes): Call reset_cc_flags after
6357 initializing referenced_vars.
6359 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6360 Roger Sayle <roger@eyesopen.com>
6363 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6364 to 1.0 for non-real operands. Implement A / A optimization for
6367 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6369 * config/i386/i386.c (size_cost): Correct the comment for
6370 cost of storing fp registers.
6371 (i386_cost): Likewise.
6372 (i486_cost): Likewise.
6373 (pentium_cost): Likewise.
6374 (pentiumpro_cost): Likewise.
6375 (k6_cost): Likewise.
6376 (athlon_cost): Likewise.
6377 (k8_cost): Likewise.
6378 (pentium4_cost): Likewise.
6379 (nocona_cost): Likewise.
6380 (generic64_cost): Likewise.
6381 (generic32_cost): Likewise.
6383 2006-03-24 Denis Chertykov <denisc@overta.ru>
6385 * config/avr/avr-protos.h (extra_constraint): Delete.
6386 (extra_constraint_Q): New declaration.
6387 * config/avr/constraints.md: New file.
6388 * config/avr/avr.md: Include it.
6389 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6390 (TMP_REGNO, ZERO_REGNO): Likewise.
6391 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6392 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6393 (extra_constraint): Delete.
6394 (extra_constraint_Q): Test for memory constraint 'Q'.
6395 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6396 (REG_CLASS_FROM_LETTER): Delete.
6397 (CONST_OK_FOR_LETTER_P): Delete.
6398 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6399 (EXTRA_CONSTRAINT): Delete.
6400 (TMP_REGNO): Delete.
6401 (ZERO_REGNO): Delete.
6403 2006-03-24 Jeff Law <law@redhat.com>
6405 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6406 directly. Call mark_new_vars_to_rename slightly earlier.
6408 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6410 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6412 (gen_compile_unit_die): Use new language types for Objective-C and
6414 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6415 DW_LANG_C_plus_plus.
6418 * config/t-darwin (crt3.o): Work around bug 26840.
6419 * config/darwin-crt3.c: Rewrite.
6420 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6422 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6424 * doc/invoke.texi: Document -femit-class-debug-always
6425 * common.opt: Add -femit-class-debug-always.
6427 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6429 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6430 index and base register.
6431 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6432 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6433 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6434 REGNO_OK_FOR_INDEX_P.
6435 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6437 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6438 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6439 REG_OK_FOR_BASE_P): Definitions removed.
6441 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6444 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6445 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6446 set yet or weren't marked as local yet.
6448 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6450 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6453 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6455 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6456 (rs6000_legitimate_small_data_p): Delete.
6457 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6458 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6459 and make static. Add forward declaration. Update uses.
6460 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6461 of offsettable_memref_p.
6462 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6463 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6465 2006-03-24 Jeff Law <law@redhat.com>
6467 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6468 around bug in immediate-use iterator.
6470 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6473 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6474 or __LITTLE_ENDIAN__.
6476 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6478 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6479 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6480 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6481 * config/sh/sh.opt (mdiv=): Amend description.
6482 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6483 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6484 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6485 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6486 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6487 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6488 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6489 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6490 TARGET_DIVIDE_CALL_FP.
6492 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6494 * haifa-sched.c (choose_ready): Fix type of the local variable.
6495 Move local variables. Add comment.
6496 (check_reg_live): Change signature. Make callable from debugger.
6497 * sched-int.h (check_reg_live): Update signature.
6498 * sched-ebb.c (check_reg_live): Update parameters.
6499 * sched-rgn.c (check_reg_live): Ditto.
6500 (region_head_or_leaf_p): Check pointer before dereferencing.
6501 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6502 before reload on optimization levels below 1.
6504 2006-03-23 Richard Henderson <rth@redhat.com>
6506 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6510 * config/alpha/predicates.md (local_symbolic_operand): Reject
6513 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6516 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6517 expressions which have overflowed constants.
6519 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6521 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6523 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6525 * cfgloopmanip.c (create_loop_notes): Removed.
6526 * final.c (final_scan_insn): Do not handle loop notes.
6527 * jump.c (squeeze_notes): Ditto.
6528 * cfglayout.c (skip_insns_after_block,
6529 duplicate_insn_chain): Ditto.
6530 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6532 * cfgloop.h (create_loop_notes): Declaration removed.
6534 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6536 * varasm.c (output_constant_pool): Restore fnname and fndecl
6538 (assemble_start_function): Adjust call accordingly.
6539 (assemble_end_function): Likewise.
6541 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6544 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6547 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6549 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6552 * system.h (ICE_EXIT_CODE): New macro.
6553 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6554 (diagnostic_action_after_output): Likewise.
6555 * gcc.c (fatal_ice): New function.
6556 (execute): Use it instead of fatal.
6557 (fancy_abort): Likewise.
6558 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6560 2006-03-22 Jeff Law <law@redhat.com>
6562 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6563 iv_analyze_result returning false.
6565 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6567 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6569 2006-03-22 Richard Henderson <rth@redhat.com>
6572 * except.c (duplicate_eh_regions_0): New.
6573 (duplicate_eh_region_1): Duplicate the children of the node as
6574 well as the node itself. Link them up properly.
6575 (duplicate_eh_region_2): Merge into ...
6576 (duplicate_eh_regions): ... here. Take copy_region argument, and
6577 copy only a sub-tree if asked. Simplify copying and fixup.
6578 (eh_region_outer_p): New.
6579 * except.h (duplicate_eh_regions): Update decl.
6580 (eh_region_outer_p): Declare.
6581 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6582 (lower_omp_master): Likewise.
6583 (lower_omp_ordered): Likewise.
6584 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6585 (move_stmt_r): Use it to remap labels. Handle recursion vs
6586 remap_decls_p properly.
6587 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6588 (find_outermost_region_in_block): New.
6589 (new_label_mapper): New.
6590 (move_sese_region_to_fn): Copy eh information to the new function
6592 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6594 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6597 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6599 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6600 into shared libraries.
6602 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6604 * doc/md.texi: Refer to i386/constraints.md instead of
6606 * config/i386/constraints.md: New file, extracted from...
6607 * config/i386/predicates.md: ...here.
6608 * config/i386/i386.md: Include constraints.md.
6610 2006-03-21 Jason Merrill <jason@redhat.com>
6612 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6615 * expr.c (init_block_move_fn): Force default visibility.
6616 (init_block_clear_fn): Likewise.
6617 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6618 * targhooks.c (default_external_stack_protect_fail): Likewise.
6620 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6622 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6623 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6624 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6625 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6626 (loadgp): Use mips_current_loadgp_style.
6627 (loadgp_noshared): New pattern.
6628 (sibcall_internal): Use MIPS_CALL.
6629 (sibcall_value_internal): Likewise.
6630 (sibcall_value_multiple_internal): Likewise.
6631 (call_internal): Likewise.
6632 (call_value_internal): Likewise.
6633 (call_value_multiple_internal): Likewise.
6634 (call_split): Use MIPS_CALL and add an 'S' constraint.
6635 (call_value_split): Likewise.
6636 (call_value_multiple_split): Likewise.
6637 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6638 (-mshared): New option.
6639 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6640 (mips_current_loadgp_style): Declare.
6641 * config/mips/mips.c (mips_classify_symbol): Avoid using
6642 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6643 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6644 TARGET_ABSOLUTE_ABICALLS.
6645 (override_options): Adjust comments. Improve the warning that is
6646 issued when -mabicalls and -G are used together.
6647 (mips_file_start): Remove comment.
6648 (mips_current_loadgp_style): New function.
6649 (mips_gnu_local_gp): New variable.
6650 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6652 (mips_output_function_prologue): Use mips_current_laodgp_style.
6653 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6654 the cprestore instruction.
6655 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6656 live for TARGET_ABSOLUTE_ABICALLS.
6657 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6658 (ASM_SPEC): Pass down -mshared and -mno-shared.
6659 (MIPS_CALL): New macro.
6660 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6662 * doc/invoke.texi (-mabicalls): Update documentation.
6663 (-mshared): Document.
6665 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6667 * config/ia64/unwind-hpux.c: New file.
6668 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6670 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6673 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6675 2006-03-21 Jeff Law <law@redhat.com>
6677 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6678 type conversions of a VR_VARYING source to a wider type.
6680 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6682 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6683 tm_file on Solaris 10 and later.
6684 (sparc64-*-solaris2*): Likewise.
6685 (sparc-*-solaris2*): Likewise.
6686 * config/sol26.h: Rename to config/sol2-6.h.
6687 * config/sol2-10.h: New file.
6689 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6692 * tree-ssa-pre.c (create_component_ref_by_pieces):
6695 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6698 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6699 return it immediately.
6701 2006-03-21 Michael Matz <matz@suse.de>
6703 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6705 (remove_arc, add_arc): Update num_out_arcs member.
6706 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6708 (cache_presence): New function.
6709 (compare_states_for_equiv): New function.
6710 (state_is_differed): Don't take number of outargs, adjust callers.
6711 Use new invariant for speeding up.
6712 (init_equiv_class): Create initial classes based on sorted
6714 (partition_equiv_class): Don't track out_arcs_num.
6715 (evaluate_equiv_classes): Call cache_presence on all states and
6718 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6720 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6721 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6722 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6723 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6725 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6726 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6727 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6728 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6729 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6731 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6732 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6733 (REGNO_REG_CLASS): ARGP is in PREGS.
6734 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6736 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6737 to deal with those addresses.
6738 * addresses.h: New file.
6739 * caller-save.c: Include "addresses.h".
6740 (init_caller_save): Use new base_reg_class function.
6741 * rtl-factoring.c: Include "addresses.h".
6742 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6743 * recog.c: Include "addresses.h".
6744 (preprocess_constraints): Use new base_reg_class function.
6745 * regrename.c: Include "addresses.h".
6746 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6747 functions. Keep track of a new var INDEX_CODE to compute valid
6749 (replace_oldest_value_addr): Likewise.
6750 (replace_oldest_value_mem): Use base_reg_class.
6751 * reload.c: Include "addresses.h".
6752 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6753 (find_reloads): Use new base_reg_class function.
6754 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6755 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6756 all callers and prototype changed.
6757 * reload1.c: Include "addresses.h".
6758 (maybe_fix_stack_asms): Use base_reg_class.
6759 * regclass.c: Include "addresses.h".
6760 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6761 (init_reg_autoinc): Use new base_reg_class function.
6762 (record_reg_classes): Likewise.
6763 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6764 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6765 Use new args to compute necessary class.
6767 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6768 regrename.o, rtl-factoring.o): Update dependencies.
6769 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6770 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6771 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6772 REG_OK_FOR_INDEX_P): Delete documentation.
6774 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6776 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6777 from V7 to V9 for Solaris 7 and above.
6779 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6781 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6782 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6783 argument pointers may not alias any other storage.
6784 * common.opt: Define option -fargument-noalias-anything.
6785 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6786 alias semantics is specified by flag_argument_noalias > 2.
6788 2006-03-20 Jeff Law <law@redhat.com>
6790 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6791 (pass_phi_only_cprop): Declare.
6792 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6794 * tree-ssa-dom.c (degenerate_phi_result): New function.
6795 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6796 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6797 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6798 (eliminate_degenerate_phis): Likewise.
6799 (pass_phi_only_cprop): New pass descriptor.
6800 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6801 support code. Callers updated.
6802 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6803 (store_copy_prop): Likewise.
6804 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6806 2006-03-20 Jason Merrill <jason@redhat.com>
6809 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6810 (push_visibility, pop_visibility): Likewise.
6811 * c-pragma.h: Declare them.
6813 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6815 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6817 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6818 parameter and use get_ebb_head_tail.
6819 (sh_md_init_global): Adjust uses of find_regmode_weight.
6821 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6823 * function.h (struct function) <x_tail_recursion_reentry>:
6824 Rename to x_stack_check_probe_note.
6825 (tail_recursion_reentry): Rename to stack_check_probe_note.
6826 * function.c: Replace tail_recursion_reentry with
6827 stack_check_probe_note everywhere.
6828 (expand_function_start): Only emit a note for
6829 stack_check_probe_note with -fstack-protect.
6830 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6832 * emit-rtl.c (remove_unnecessary_notes): Remove.
6833 (pass_remove_unnecessary_notes): Remove.
6834 * rtl.h (remove_unnecessary_notes): Remove prototype.
6835 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6836 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6837 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6839 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6842 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6843 (valid_in_set): Handle ARRAY_REF.
6844 Change "if min_variant or VH" to asserts.
6845 (create_component_ref_by_pieces): Handle ARRAY_REF.
6846 (create_expression_by_pieces): Likewise.
6847 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6849 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6851 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6852 is operand of switch, not str[0].
6854 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6856 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6857 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6859 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6861 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6862 end of insn_extra_address_constraint declaration.
6864 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6866 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6867 (no-sum-in-toc): Same.
6868 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6870 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6871 NO_FP_IN_TOC for -fPIC instead of mask.
6873 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6874 (BOOT_LDFLAGS): Delete.
6876 * config/rs6000/t-aix52: Same.
6878 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6879 (stmsi[345678]_power): New.
6881 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6883 * config/ia64/ia64.opt: Add empty line to end of file.
6885 2006-03-17 Richard Guenther <rguenther@suse.de>
6888 * builtins.c (get_pointer_alignment): For component style references
6889 adjust alignment to the component type alignment. Make sure
6890 to adjust alignment for component access of constants.
6892 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6894 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6897 2006-03-17 Paul Brook <paul@codesourcery.com>
6899 * doc/install.texi: Docuemnt --with-mode.
6900 * config.gcc: Add --with-mode for arm*-*-*.
6901 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6903 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6905 * sh.c (max_labelno_before_reorg): New variable.
6906 (sh_reorg): Initialize it.
6907 (find_barrier): Check max_labelno_before_reorg before using
6908 label_to_alignment. Take length of explicit alignment insns
6909 into account. When seeing a UNSPECV_CONST_END, return it.
6911 * sh.c (fixup_mova): Set mode of affected label to QImode.
6912 (untangle_mova): New function.
6913 (find_barrier): Use it. Check mode of label before decrementing
6915 (sh_reorg): Likewise.
6916 Set mode of all insns back to VOIDmode.
6918 * sh.c (MOVA_LABELREF): New macro.
6919 (mova_p, fixup_mova, sh_reorg): Use it.
6920 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6921 ADDR_DIFF_VEC matches mova.
6923 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6925 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6926 with ATTRIBUTE_UNUSED.
6928 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6930 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6931 pointer, instead of assuming it is possible to derive the
6932 correct args size from a call insn.
6934 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6936 * rtl.h (CONST_INT_P): Define.
6937 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6938 instead of GET_CODE(x) == CONST_INT.
6939 (vax_rtx_costs): Likewise.
6940 (vax_output_int_move): Likewise.
6941 (vax_output_int_add): Likewise.
6942 (legitimate_constant_address_p): Likewise.
6943 (index_term_p): Likewise.
6944 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6945 * config/vax/vax.md (and<mode>3): Likewise.
6946 (ashrsi3): Likewise.
6948 (movstricthi): Likewise.
6949 (movstrictqi): Likewise.
6950 (rotrsi3): Likewise.
6951 (five unnamed insns): Likewise.
6953 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6955 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6956 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6957 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6958 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6959 Pass to ASM_OUTPUT_DWARF_OFFSET.
6960 * dwarf2out.c (debug_frame_section): New.
6961 (output_call_frame_info): Use debug_frame_section. Pass it to
6962 dw2_asm_output_offset.
6963 (output_die): Pass appropriate section to dw2_asm_output_offset.
6964 (output_compilation_unit_header): Likewise.
6965 (output_pubnames): Likewise.
6966 (output_aranges): Likewise.
6967 (enum dw_val_class): Break dw_val_class_lbl_offset into
6968 dw_val_class_lineptr and dw_val_class_macptr.
6969 (add_AT_lbl_offset): Delete.
6970 (add_AT_lineptr): New.
6971 (add_AT_macptr): New.
6972 (AT_lbl): Expect a lineptr or macptr.
6973 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6974 (attr_checksum): Likewise.
6975 (same_dw_val_p): Likewise.
6976 (size_of_die): Likewise.
6977 (value_format): Likewise.
6978 (output_die): Likewise.
6979 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6981 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6982 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6983 * config/darwin-protos.h (darwin_file_start): New.
6984 (darwin_asm_output_dwarf_offset): New.
6985 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6986 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6988 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6989 if not EH section; simplify.
6990 (darwin_file_start): New.
6991 (darwin_asm_output_dwarf_offset): New.
6992 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6994 (DEBUG_INFO_SECTION): Likewise.
6995 (DEBUG_ABBREV_SECTION): Likewise.
6996 (DEBUG_ARANGES_SECTION): Likewise.
6997 (DEBUG_MACINFO_SECTION): Likewise.
6998 (DEBUG_LINE_SECTION): Likewise.
6999 (DEBUG_LOC_SECTION): Likewise.
7000 (DEBUG_PUBNAMES_SECTION): Likewise.
7001 (DEBUG_STR_SECTION): Likewise.
7002 (DEBUG_RANGES_SECTION): Likewise.
7003 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7004 (ASM_OUTPUT_DWARF_OFFSET): New.
7006 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7008 * config.gcc (tm_defines): Always add to previous value rather
7011 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7013 * config/mips/predicates.md (splittable_const_int_operand): New,
7014 split from move_operand.
7015 (splittable_symbolic_operand): New.
7016 (move_operand): Add commentary. Use splittable_const_int_operand.
7017 Inline mips_atomic_symbolic_constant_p.
7018 * config/mips/mips.md: Add combine splitters for handling moves
7019 of splittable_const_int_operands and splittable_symbolic_operands.
7020 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7021 (mips_split_symbol): Declare.
7022 (mips_move_integer): Declare.
7023 * config/mips/mips.c (mips_split_p): Make global.
7024 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7025 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7026 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7027 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7028 (mips_offset_within_object_p): Handle block symbols.
7029 (mips_atomic_symbolic_constant_p): Delete.
7030 (mips_cannot_force_const_mem): Return false for constants that
7031 mips_legitimize_move can handle.
7032 (mips_use_blocks_for_constant_p): New function.
7033 (mips_split_symbol): Make global.
7034 (mips_move_integer): Likewise. Add a temporary register argument.
7035 (mips_legitimize_const_move): Use splittable_const_int_operand and
7036 splittable_symbolic_operand.
7037 (mips_use_anchors_for_symbol_p): New function.
7038 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7039 (mips_split_p): Declare.
7041 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7043 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7044 (mips*-*-linux*): Likewise.
7046 2006-03-16 Roger Sayle <roger@eyesopen.com>
7047 Daniel Speyer <dspeyer@wam.umd.edu>
7050 * tree-dump.c (dump_real): New function.
7051 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7052 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7053 (tree-dump.o): Add $(REAL_H) to the dependencies.
7055 2006-03-16 Roger Sayle <roger@eyesopen.com>
7058 * real.c (real_from_string): If the mantissa is zero, don't bother
7059 parsing the exponent as the result should always be zero.
7061 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7063 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7065 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7067 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7068 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7069 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7070 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7071 ia64_sched_finish_global): New static functions to implement
7072 hooks from gcc_target.sched.
7073 (spec_check_no, max_uid, pending_data_specs): New static variables.
7074 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7075 ia64_spec_check_src_p): New static functions.
7076 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7077 (TARGET_SCHED_ADJUST_COST): Removed.
7078 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7079 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7080 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7081 TARGET_SCHED_GEN_CHECK,
7082 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7083 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7084 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7085 Fixed to handle speculation checks.
7086 (rtx_needs_barrier): Fixed to handle speculative loads and
7088 (ia64_variable_issue): Added code to count speculative loads and their
7090 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7092 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7094 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7096 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7097 (ia64_reorg): Reset stops_p to NULL after it is freed.
7098 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7099 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7100 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7102 (data_speculative, control_speculative, check_load): New attributes.
7103 (mov<mode>_advanced, mov<mode>_speculative,
7104 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7105 zero_extend<mode>di2_speculative,
7106 zero_extend<mode>di2_speculative_advanced): New patterns for
7107 data and control speculative loads.
7108 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7110 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7111 New pattern for data and control speculation checks.
7112 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7113 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7114 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7115 Auxiliary definitions for the patterns.
7116 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7117 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7119 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7121 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7122 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7123 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7124 New resource constraints.
7125 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7127 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7128 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7129 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7130 msched-in-control-spec, msched-ldc, msched-control-ldc,
7131 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7132 msched-prefer-non-control-spec-insns,
7133 msched-count-spec-in-critical-path): New flags to tune speculative
7135 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7136 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7137 msched-in-control-spec, msched-ldc, msched-control-ldc,
7138 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7139 msched-prefer-non-control-spec-insns,
7140 msched-count-spec-in-critical-path): Document new flags.
7142 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7144 * target.h (struct spec_info_def): New opaque declaration.
7145 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7146 speculate_insn, needs_block_p, gen_check,
7147 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7148 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7149 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7150 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7151 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7152 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7154 (TARGET_SCHED): Use new macros.
7155 * rtl.h (copy_DEPS_LIST_list): New prototype.
7156 * sched-int.h (struct sched_info): Change signature of new_ready field,
7157 adjust all initializations. New fields: add_remove_insn,
7158 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7159 region_head_or_leaf_p.
7160 (struct spec_info_def): New structure declaration.
7161 (spec_info_t): New typedef.
7162 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7163 recovery_block, orig_pat.
7164 (glat_start, glat_end): New variables declaraions.
7165 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7167 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7168 DETACH_LIFE_INFO, USE_GLAT.
7169 (enum SPEC_SCHED_FLAGS): New enumeration.
7170 (NOTE_NOTE_BB_P): New macro.
7171 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7172 attach_life_info, debug_spec_status, check_reg_live): New functions.
7173 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7174 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7176 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7177 * ddg.c (get_block_head_tail): Adjust all uses.
7178 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7179 (sms_sched_info): Initialize new fields.
7180 (contributes_to_priority): Removed.
7181 * haifa-sched.c (params.h): New include.
7182 (get_block_head_tail): Adjust all uses.
7183 (ISSUE_POINTS): New macro.
7184 (glat_start, glat_end): New global variables.
7185 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7186 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7187 old_last_basic_block, before_recovery, current_sched_info_var,
7188 rgn_n_insns, luid): New static variables.
7189 (insn_cost1): New function. Move logic from insn_cost to here.
7190 (find_insn_reg_weight1): New function. Move logic from
7191 find_insn_reg_weight to here.
7192 (reemit_notes, move_insn, max_issue): Change signature.
7193 (move_insn1): Removed.
7194 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7195 extend_bb): New static functions to support extension of scheduler's
7197 (generate_recovery_code, process_insn_depend_be_in_spec,
7198 begin_speculative_block, add_to_speculative_block,
7199 init_before_recovery, create_recovery_block, create_check_block_twin,
7200 fix_recovery_deps): New static functions to support
7201 generation of recovery code.
7202 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7203 restore_bb_notes, move_block_after_check, move_succs): New static
7204 functions to support ebb scheduling.
7205 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7206 functions to support handling of register live information.
7207 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7208 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7209 add_jump_dependencies): New static functions.
7210 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7211 consistancy checking.
7212 (debug_spec_status): New function to call from debugger.
7213 (priority): Added code to handle speculation checks.
7214 (rank_for_schedule): Added code to distinguish speculative instructions.
7215 (schedule_insn): Added code to handle speculation checks.
7216 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7217 Fixed to handle ebbs.
7218 (move_insn): Added code to handle ebb scheduling.
7219 (max_issue): Added code to use ISSUE_POINTS of instructions.
7220 (choose_ready): Added code to choose between speculative and
7221 non-speculative instructions.
7222 (schedule_block): Added code to handle ebb scheduling and scheduling of
7223 speculative instructions.
7224 (sched_init): Initialize new variables.
7225 (sched_finish): Free new variables. Print statistics.
7226 (try_ready): Added code to handle speculative instructions.
7227 * lists.c (copy_DEPS_LIST_list): New function.
7228 * sched-deps.c (extend_dependency_caches): New function. Move logic
7229 from create_dependency_caches to here.
7230 (get_dep_weak, ds_merge): Make global.
7231 * genattr.c (main): Code to output prototype for
7232 dfa_clear_single_insn_cache.
7233 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7234 (output_dfa_clean_insn_cache_func): Code to output
7235 dfa_clear_single_insn_cache function.
7236 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7238 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7240 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7241 New static variables.
7242 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7243 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7245 (ebb_sched_info): Initialize new fields.
7246 (get_block_head_tail): Adjust all uses.
7247 (compute_jump_reg_dependencies): Fixed to use glat_start.
7248 (schedule_ebb): Code to remove unreachable last block.
7249 (schedule_ebbs): Added code to update register live information.
7250 * sched-rgn.c (region_sched_info): Initialize new fields.
7251 (get_block_head_tail): Adjust all uses.
7252 (last_was_jump): Removed. Adjust users.
7253 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7254 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7255 Implement new hooks.
7256 (check_dead_notes1): New static function.
7257 (struct region): New fields: dont_calc_deps, has_real_ebb.
7258 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7259 (BB_TO_BLOCK): Fixed to handle EBBs.
7260 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7261 (ebb_head): New static variable.
7262 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7263 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7265 (compute_dom_prob_ps): New assertion.
7266 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7267 global_live_at_start.
7268 (init_ready_list): New assertions.
7269 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7270 (new_ready): Add support for BEGIN_CONTROL speculation.
7271 (schedule_insns): Fixed code that updates register live information
7273 (schedule_region): Fixed to handle EBBs.
7274 (init_regions): Use extend_regions and check_dead_notes1.
7275 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7276 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7277 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7278 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7279 TARGET_SCHED_GEN_CHECK,
7280 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7281 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7282 * doc/invoke.texi (max-sched-insn-conflict-delay,
7283 sched-spec-prob-cutoff): Document.
7285 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7287 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7288 inter_tick, queue_index.
7289 (struct sched_info): Change signature of init_ready_list field.
7290 Adjust all initializations.
7291 (RESOLVED_DEPS): New access macro.
7292 (ready_add): Remove prototype.
7293 (try_ready): Add prototype.
7294 * sched-rgn.c (init_ready_list): Use try_ready.
7295 (schedule_region): Initialize
7296 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7297 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7298 (init_ready_list): Use try_ready.
7299 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7300 * lists.c (remove_list_elem): Remove `static'.
7301 (remove_free_INSN_LIST_elem): New function.
7302 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7303 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7304 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7306 (readyp): New variable.
7307 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7308 change_queue_index, resolve_dep): New static functions.
7309 (try_ready): New function. Adjust callers in sched-rgn.c and
7310 sched-ebb.c to use it instead of ready_add.
7311 (clock_var): Move at the begining of file.
7312 (rank_for_schedule): Fix typo.
7313 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7314 (ready_lastpos): Enforce assertion.
7315 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7317 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7318 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7319 (queue_to_ready): Use free_INSN_LIST_list.
7320 (early_queue_to_ready): Fix typo.
7321 (schedule_block): Init readyp. Move init_ready_list call after the
7322 initialization of clock_var. Fix error in rejecting insn by
7323 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7324 that previously corrected INSN_TICKs. Add code for handling
7326 (set_priorities): Fix typo.
7327 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7328 Clarify comment and code that keeps current_sched_info->next_tail
7331 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7333 * sched-rgn.c (extend_rgns): New static function.
7334 (find_rgns): Use it.
7335 (gather_region_statistics, print_region_statistics): New static
7337 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7338 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7340 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7341 Andrey Belevantsev <abel@ispras.ru>
7343 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7344 * lists.c (unused_deps_list): New variable.
7345 (free_list): Add assertions to verify the proper distinguishing
7346 between INSN_LISTs and DEPS_LISTs.
7347 (find_list_elem, remove_list_elem, remove_list_node): New static
7349 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7350 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7351 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7352 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7354 (free_INSN_LIST_node): Likewise.
7355 * modulo-sched.c (current_sched_info): Initialize flags field.
7356 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7357 * rtl.def (DEPS_LIST): Define.
7358 * rtl.h: Declare new functions from lists.c.
7359 * sched-deps.c (spec_dependency_cache): New static variable.
7360 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7361 (add_dependence): Change return type to void. Move the logic to ...
7362 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7363 (delete_all_dependences): Add comment about forward_dependency_cache.
7364 Handle spec_dependency_cache. Handle DEPS_LISTs.
7365 (fixup_sched_groups): Clarify the change of priority of output
7366 and anti dependencies.
7367 (sched_analyze_2): Adjust add_dependence calls to create data
7368 speculative dependence.
7369 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7370 Adjust all callers. Handle DEPS_LISTS.
7371 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7372 presence of speculation.
7373 (init_dependency_caches, free_dependency_caches):
7374 Handle spec_dependency_cache.
7375 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7376 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7377 New static functions.
7378 (add_or_update_back_dep, add_or_update_back_forw_dep,
7379 add_back_forw_dep, delete_back_forw_dep): New functions.
7380 * sched-int.h (ds_t, dw_t): New typedefs.
7381 (struct sched_info): Add new field flags.
7382 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7383 Prototype new sched-deps.c functions.
7384 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7385 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7386 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7387 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7388 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7389 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7391 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7393 * sched-rgn.c (current_sched_info): Initialize flags field.
7394 (schedule_insns): Initialize current_sched_info before the sched_init
7396 * sched-ebb.c (current_sched_info): Initialize flags field.
7397 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7398 Call add_or_update_back_dep instead of add_dependence.
7399 Create control speculative dependencies.
7400 (schedule_insns): Initialize current_sched_info before the sched_init
7403 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7405 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7407 (sh_fallback_frame_state): Likewise.
7409 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7411 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7412 Do switch on default_use_cxa_atexit.
7413 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7414 * config/darwin-crt3.o: New.
7415 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7416 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7417 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7419 * config/rs6000/t-darwin: Move crt2.o building to here.
7420 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7421 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7424 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7426 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7427 from '! xxx' to '!xxx' for coding-style conformance.
7428 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7429 (EXTRA_CONSTRAINT): Likewise.
7430 * config/vax/vax.md (four unnamed insns): Likewise.
7432 2006-03-15 Paul Brook <paul@codesourcery.com>
7434 * config/arm/arm.c (minipool_pad): New.
7435 (add_minipool_forward_ref): Include pool alignment padding in address
7437 (push_minipool_fix): Set minipool_pad.
7438 (minipool_pad): Ditto.
7440 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7442 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7443 instead of GET_CODE() == MEM and REG_P() instead of
7445 (print_operand_address): Likewise.
7446 (vax_address_cost): Likewise.
7447 (vax_rtx_costs): Likewise.
7448 (vax_notice_update_cc): Likewise.
7449 (vax_output_int_add): Likewise.
7450 (INDEX_REGISTER_P): Likewise.
7451 (BASE_REGISTER_P): Likewise.
7452 (nonindexed_address_p): Likewise.
7453 (vax_mode_dependent_address_p): Likewise.
7454 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7455 (PRINT_OPERAND): Likewise.
7456 * config/vax/vax.md (ashlsi3): Likewise.
7457 (ashlsi3): Likewise.
7458 (some more unnamed insns): Likewise.
7460 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7462 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7463 iterator-style macro.
7464 (mark_control_dependent_edges_necessary): Update the use of
7465 EXECUTE_IF_CONTROL_DEPENDENT.
7467 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7469 * config/sh/predicates.md (cache_address_operand): Special.
7470 (ua_address_operand): Likewise.
7472 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7474 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7476 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7478 2006-03-15 Andreas Schwab <schwab@suse.de>
7480 * gensupport.c (identify_predicable_attribute): Don't free p_false
7481 when it is still in use.
7483 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7485 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7486 the default setting here.
7488 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7490 * tree-pass.h (pass_cfg): Remove.
7491 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7492 * passes.c (pass_cfg): Don't run it.
7494 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7496 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7497 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7499 (stack_regs_mentioned): Update the uses of
7500 stack_regs_mentioned_data. Don't access the array beyond its
7502 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7503 Don't include gt-reg-stack.h.
7505 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7506 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7508 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7511 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7514 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7516 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7518 2006-03-14 Richard Guenther <rguenther@suse.de>
7520 PR tree-optimization/26672
7521 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7524 2006-03-14 Richard Guenther <rguenther@suse.de>
7526 PR tree-optimization/26667
7527 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7528 node for the callees. Always allow inlining if it will shrink
7531 2006-03-14 Richard Guenther <rguenther@suse.de>
7534 * builtins.c (get_pointer_alignment): Prefer alignment
7535 information from decls over that from types.
7537 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7540 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7542 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7544 * config/rs6000/rs6000.opt (mdlmzb): New option.
7545 (msched-prolog, msched-epilog): Use Var not Mask.
7546 * doc/invoke.texi (-mdlmzb): Document.
7547 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7549 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7550 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7552 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7554 PR rtl-optimization/25739
7555 * bt-load.c (augment_live_range): Free tos pointer.
7557 * gensupport.c (identify_predicable_attribute): Free
7559 * gcov.c (create_file_names): Free name pointer.
7561 2006-03-13 Roger Sayle <roger@eyesopen.com>
7564 * stmt.c (emit_case_nodes): Handle the case where the index is a
7565 CONST_INT, where the comparison mode is specified by the index type.
7567 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7569 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7572 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7574 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7575 (*branch_fp_inverted): Likewise.
7577 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7580 * omp-low.c (expand_omp_for_generic): Mark istart0
7581 and iend0 as addressable.
7583 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7585 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7587 2006-03-13 Jeff Law <law@redhat.com>
7589 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7590 virtual operands are interesting.
7591 (vrp_visit_stmt): Corresponding changes.
7593 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7595 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7597 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7598 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7599 * config/bfin/crti.S: Use it instead of __PIC__.
7600 * config/bfin/crtn.S: Likewise.
7602 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7603 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7605 Lose 'G' modifier for call operand.
7606 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7607 recognize 'G' modifier.
7609 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7612 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7613 * stmt.c (expand_case): Likewise.
7615 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7617 PR rtl-optimization/26254
7618 * loop-invariant.c (seq_insns_valid_p): New function.
7619 (move_invariant_reg): Only emit new code if it is valid.
7621 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7623 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7625 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7626 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7627 (commit_one_edge_insertion): Do not look for loop notes.
7629 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7631 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7632 flag_test_coverage out of loop.
7634 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7636 * final.c (shorten_branches): Remove outdated comment, and turn
7637 the if branch that guards it to continue.
7639 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7641 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7642 * cfgloop.h (struct loop): Remove unused fields.
7644 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7646 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7647 (-dL, -fdump-rtl-loop2): Update the dump file names
7649 * doc/invoke.texi: Update dump file names.
7651 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7653 * predict.c (estimate_probability): Remove.
7654 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7655 * basic-block.h (estimate_probability): Remove prototype.
7656 * passes.c (finish_optimization_passes): Dump branch prediction or
7657 profiling heuristics to the .profile tree dump.
7658 (init_optimization_passes): Unqueue pass_branch_prob.
7660 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7662 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7664 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7665 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7667 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7669 * function.h (frame_offset_overflow): Declare.
7670 * function.c (frame_offset_overflow): New function.
7671 (assign_stack_local_1): Call it to detect that the offset overflows.
7672 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7674 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7676 * config/sh/sh.c: Include alloc-pool.h.
7677 (label_ref_list_pool): New alloc pool.
7678 (label_ref_list_t): New type for lists of labels.
7679 (struct pool_node): Make wend a label_ref_list_t.
7680 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7682 (dump_table): Likewise.
7683 (sh_reorg): Set up the alloc pool before using add_constant and
7684 dump_table, and destroy it when finishing.
7686 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7688 * config/mips/mips.c: Remove redundant comment.
7690 2006-03-10 Jason Merrill <jason@redhat.com>
7693 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7694 the target was declared 'register'.
7696 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7698 * genpreds.c (write_insn_constraint_len): Change definition of
7699 insn_constraint_len to return size_t to match the declaration.
7701 2006-03-10 DJ Delorie <dj@redhat.com>
7703 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7705 (m32c_expand_insv): Fix test for an AND mask.
7707 2006-03-10 Richard Guenther <rguenther@suse.de>
7710 * builtins.c (get_pointer_alignment): Handle component
7711 references for field alignment.
7713 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7715 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7716 when building with libgloss.
7717 (sh*elf): Implement --without-fp option.
7718 (sh64-superh-linux*): Don't multilib.
7720 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7722 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7724 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7726 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7727 Set it when one of the replacement functions returned true.
7728 Return TODO_cleanup_cfg if cfgchanged is true.
7729 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7731 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7733 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7734 instead of gen_lowpart.
7736 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7738 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7740 (mips_output_order_conditional_branch): Declare.
7741 * config/mips/mips.h (MIPS_BRANCH): New macro.
7742 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7743 for the comparison. Use gen_condjump.
7744 (mips_output_conditional_branch): Rework interface to take the
7745 asm templates for a direct branch and the inverse of a direct branch.
7746 (mips_output_order_conditional_branch): New function.
7747 (mips_builtin_branch_and_move): New function.
7748 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7749 branch condition. Use gen_single_cc as the condition for
7750 __builtin_mips_upper_* or __builtin_mips_lower_*.
7751 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7752 Use VOIDmode for the branch condition.
7753 * config/mips/predicates.md (order_operator): New predicate.
7754 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7755 (branch_fp): Rename to...
7756 (*branch_fp): ...this. Remove mode from comparison operator.
7757 Use new mips_output_conditional_branch interface.
7758 (branch_fp_inverted): Rename to...
7759 (*branch_fp_inverted): ...this and update as for *branch_fp.
7760 (*branch_zero<mode>): Rename to...
7761 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7762 Use mips_output_order_conditional_branch. Only accept ordered
7764 (*branch_zero<mode>_inverted): Rename to...
7765 (*branch_order<mode>_inverted): ...this and update as for
7766 *branch_order<mode>.
7767 (*branch_equality<mode>): Accept zero as the second operand to
7768 the equality operator. Use the new mips_output_conditional_branch
7770 (*branch_equality<mode>_inverted): Likewise.
7771 (condjump): New expander.
7772 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7774 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7775 (bc1any2t, bc1any2f): Likewise.
7776 (single_cc): New expander.
7777 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7779 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7781 * doc/md.texi: Update documentation of MIPS constraints.
7782 * config/mips/constraints.md: New file.
7783 * config/mips/mips.md: Include it.
7784 * config/mips/mips.c (mips_char_to_class): Delete.
7785 (override_options): Don't initialize mips_char_to_class.
7786 * config/mips/mips.h (mips_char_to_class): Delete.
7787 (REG_CLASS_FROM_LETTER): Delete.
7788 (CONST_OK_FOR_LETTER_P): Delete.
7789 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7790 (EXTRA_CONSTRAINT_Y): Delete.
7791 (EXTRA_CONSTRAINT_STR): Delete.
7792 (CONSTRAINT_LEN): Delete.
7793 (EXTRA_MEMORY_CONSTRAINT): Delete.
7795 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7797 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7798 original fn's eh regions.
7800 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7802 * fold-const.c (build_range_check): Make sure to use a valid type to
7803 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7806 (range_predecessor): New static function.
7807 (range_successor): Likewise.
7808 (merge_ranges): Use them to compute predecessors and successors of
7811 2006-03-09 Roger Sayle <roger@eyesopen.com>
7814 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7815 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7817 2006-03-08 DJ Delorie <dj@redhat.com>
7819 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7820 (addpsi3): Expand to include memory operands. Remove
7821 reload-specific splits.
7822 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7823 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7824 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7825 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7826 (shift1_qi, shift1_hi, insv): New.
7827 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7828 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7829 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7831 * config/m32c/m32c-protos.h: Update as needed.
7832 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7833 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7834 Fail for unrecognized R* constraints.
7835 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7836 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7837 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7839 (m32c_init_libfuncs): New.
7840 (m32c_legitimate_address_p): Add debug wrapper.
7841 (m32c_rtx_costs): New.
7842 (m32c_address_cost): New.
7843 (conversions): Add 'B' prefix.
7844 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7845 operands, or word regnames for QI operands. 'B' prints bit
7847 (m32c_expand_setmemhi): New.
7848 (m32c_expand_movmemhi): New.
7849 (m32c_expand_movstr): New.
7850 (m32c_expand_cmpstr): New.
7851 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7852 (m32c_expand_neg_mulpsi3): Handle non-ints.
7853 (m32c_cmp_flg_0): New.
7854 (m32c_expand_movcc): New.
7855 (m32c_expand_insv): New.
7856 (m32c_scc_pattern): New.
7857 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7858 a0/a1 out of SIregs.
7859 (STORE_FLAG_VALUE): New.
7860 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7863 * config/m32c/mov.md: Make constraints more liberal.
7864 (zero_extendqihi2): Optimize r0/r1 case.
7865 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7866 * config/m32c/predicates.md (m32c_any_operand): New.
7867 (m32c_nonimmediate_operand): New.
7868 (m32c_hl_operand): New.
7869 (m32c_r3_operand): New.
7872 (memsym_operand): New.
7873 (memimmed_operand): New.
7874 (a_qi_operand): New.
7875 (m32c_eqne_operator): New.
7876 (m32c_1bit8_operand): New.
7877 (m32c_1bit16_operand): New.
7878 (m32c_1mask8_operand): New.
7879 (m32c_1mask16_operand): New.
7880 * config/m32c/blkmov.md: New file.
7881 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7883 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7885 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7886 unsigned to fix signed/unsigned comparison issue in
7887 DWARF2_FRAME_REG_OUT.
7888 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7889 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7891 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7892 of ptr into the ENABLE_CHECKING section.
7894 2006-03-08 Jeff Law <law@redhat.com>
7896 * tree-vrp.c (infer_value_range): Only count pointer uses
7897 and dereferences if -fdelete-null-pointer-checks is enabled.
7899 * tree-vrp.c (find_assert_locations): Infer value ranges for
7900 single use pointers, but do not create ASSERT_EXPRs for them.
7901 When a non-null range is inferred for a pointer, backwards
7902 propagate that range to other equivalent pointers through the
7905 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7908 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7909 language hook targets.
7910 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7911 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7912 if language hook targets were missing.
7914 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7916 * tree-ssa-opfinalize.h: Removed.
7917 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7919 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7920 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7921 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7922 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7923 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7924 finalize_ssa_v_must_def_ops): New.
7926 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7928 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7931 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7933 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7935 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7936 addresses with offsets; reorganize.
7938 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7939 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7940 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7942 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7945 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7947 2006-03-08 Ben Elliston <bje@au.ibm.com>
7949 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7951 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7954 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7957 2006-03-07 Richard Guenther <rguenther@suse.de>
7959 PR tree-optimization/26587
7960 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7962 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7964 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7966 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7968 * hooks.c (hook_bool_mode_rtx_true): New function.
7969 * hooks.h (hook_bool_mode_rtx_true): Declare.
7970 * toplev.c (compile_file): Call output_shared_constant_pool.
7971 * varasm.c (shared_constant_pool): New variable.
7972 (assemble_start_function, assemble_end_function): Remove arguments
7973 from call to output_constant_pool.
7974 (create_constant_pool): New function, split out from...
7975 (init_varasm_status): ...here.
7976 (force_const_mem): Choose between the shared and per-function constant
7977 pools. Set current_function_uses_const_pool when reusing old entries
7978 as well as when creating new ones.
7979 (mark_constant): Ignore data argument.
7980 (mark_constants): Remove pool argument.
7981 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7982 to decide whether the function uses a constant pool.
7983 (output_constant_pool_contents): New function, split out from...
7984 (output_constant_pool): ...here.
7985 (output_shared_constant_pool): New function.
7986 (init_varasm_once): Initialize shared_constant_pool.
7987 * output.h (output_constant_pool): Delete.
7988 (output_shared_constant_pool): Declare.
7989 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7990 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7992 2006-03-06 Nick Clifton <nickc@redhat.com>
7994 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7995 flag_strength_reduce.
7997 2006-03-06 Ben Elliston <bje@au.ibm.com>
7999 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8000 x86_64-*-linux* configurations.
8002 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8003 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8005 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8007 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8009 * basic-block.h: Remove the extern for
8010 rediscover_loops_after_threading.
8012 * cfgloop.c (cancel_loop): Make it static.
8013 * cfgloop.h: Remove the prototype for cancel_loop.
8015 * flow.c (recompute_reg_usage): Make it static.
8016 * rtl.h: Remove the prototype for recompute_reg_usage.
8018 * function.c (use_return_register): Make it static.
8019 * function.h: Remove the prototype.
8021 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8023 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8025 * recog.h: Remove the prototype for
8026 validate_change_maybe_volatile.
8028 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8030 * rtlanal.c (replace_reg): Remove.
8031 * rtl.h: Remove the prototype for replace_reg.
8033 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8035 * regclass.c (reg_scan_update): Remove.
8036 (reg_scan_mark_refs): Remove the last argument.
8037 * rtl.h: Remove the prototype for reg_scan_update.
8039 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8041 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8042 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8043 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8044 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8045 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8046 loop-invariant.c, omp-low.c, opts.c, passes.c,
8047 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8048 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8049 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8050 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8051 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8052 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8054 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8056 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8057 * dwarf2out.h: Remove the prototype for
8058 dwarf2out_add_library_unit_info.
8060 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8062 * tree.c (add_var_to_bind_expr): Remove.
8063 * tree.h: Remove the prototype for add_var_to_bind_expr.
8065 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8067 * regclass.c (n_non_fixed_regs): Remove.
8068 (init_reg_sets_1, globalize_reg): Remove all uses of
8070 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8072 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8074 * rtlanal.c (insns_safe_to_move_p): Remove.
8075 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8077 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8079 * expmed.c (expand_mult_add): Remove.
8080 * expr.h: Remove the prototype for expand_mult_add.
8082 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8084 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8085 and REG_SAVED_VAL_EXP constants.
8086 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8087 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8088 Handle regs stored by value.
8089 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8090 (execute_cfa_program): Handle DW_CFA_val_offset,
8091 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8092 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8093 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8094 (uw_install_context_1): Handle target regs stored by value.
8096 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8098 * tree-sra.c (tree_sra): Return todoflags;
8099 (generate_one_element): Set TODO_update_smt_usage if needed.
8100 (pass_sra): Remove TODO_update_smt_usage.
8101 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8103 (tree_ssa_forward_propagate_single_use_vars): Return
8104 TODO_update_smt_usage if we need to update SMT usage.
8105 (pass_forwprop): Remove TODO_update_smt_usage.
8107 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8109 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8110 (correct_use_link): Remove reference to get_stmt_operands.
8111 (update_stmt_operands): Likewise.
8112 (get_modify_expr_operands): New function factored out of
8113 parse_ssa_operands and get_expr_operands.
8114 Try to create V_MUST_DEFs for LHS by default.
8115 (get_expr_operands) <case MODIFY_EXPR>: Call
8116 get_modify_expr_operands.
8117 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8118 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8119 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8120 get_modify_expr_operands.
8122 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8124 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8125 * tree-flow.h: Remove the prototype for
8126 referenced_var_lookup_if_exists.
8128 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8130 PR rtl-optimization/26345
8132 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8134 2006-03-03 Roger Sayle <roger@eyesopen.com>
8136 PR tree-optimization/26524
8137 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8138 fold_convert to create a constant of the appropriate type.
8140 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8142 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8143 SYMBOL_REF_IN_BLOCK_P.
8144 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8145 of SYMBOL_FLAG_IN_BLOCK.
8146 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8147 instead of SYMBOL_REF_IN_BLOCK_P.
8148 * explow.c (use_anchored_address): Likewise.
8149 * rtl.c (rtx_size): Likewise.
8150 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8151 instead of SYMBOL_FLAG_IN_BLOCK.
8152 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8153 SYMBOL_REF_IN_BLOCK_P.
8154 (assemble_variable): Likewise.
8155 (output_constant_def_contents): Likewise.
8156 (output_constant_pool): Likewise.
8157 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8158 instead of SYMBOL_FLAG_IN_BLOCK.
8159 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8160 SYMBOL_REF_IN_BLOCK_P.
8161 (SYMBOL_REF_BLOCK): Likewise.
8162 (SYMBOL_REF_OFFSET): Likewise.
8163 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8164 SYMBOL_REF_IN_BLOCK_P.
8165 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8166 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8167 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8168 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8170 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8172 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8174 2006-03-02 Roger Sayle <roger@eyesopen.com>
8176 * simplify-rtx.c (simplify_unary_operation): When simplifying
8177 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8178 that we perform the right shift in the appropriate mode, and
8179 then extend or truncate the result to requested mode.
8181 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8183 * gengtype.c (main): Handle double_int type.
8184 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8185 * double-int.c: New file.
8186 * double-int.h: New file.
8187 * system.h: Include doubleint.h.
8188 * Makefile.in (SYSTEM_H): Include double-int.h.
8189 (double-int.o): Add.
8191 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8194 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8197 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8199 * tree-vrp.c (remove_range_assertions): Do not update statements
8202 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8204 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8206 * gcse.c (rest_of_handle_gcse): Ditto.
8207 * except.c (gate_handle_eh): Ditto.
8208 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8209 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8211 2006-03-02 Eric Christopher <echristo@apple.com>
8213 * config/i386/i386.c (machopic_output_stub): Add indirection to
8216 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8220 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8222 Sun Niagara specific optimizations.
8223 * config.gcc: Recognize niagara as target.
8224 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8225 (TARGET_CPU_niagara): Define.
8226 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8227 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8228 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8229 (ASM_CPU_SPEC): Likewise.
8230 (PROCESSOR_NIAGARA): New enum entry.
8231 (REGISTER_MOVE_COST): Handle Niagara.
8232 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8233 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8234 (sparc_override_options): Recognize "niagara", set appropriate
8235 default MASK_* values for it, and align functions to 32-bytes
8236 by default just like ULTRASPARC/ULTRASPARC3.
8237 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8238 (sparc64_initialize_trampoline): Likewise.
8239 (sparc_use_sched_lookahead): Use zero for niagara.
8240 (sparc_issue_rate): Use one for niagara.
8241 * config/sparc/niagara.md: New file.
8242 * config/sparc/sparc.md: Include it.
8243 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8244 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8245 when default cpu is niagara.
8246 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8247 (ASM_CPU_SPEC): Likewise.
8248 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8249 when default cpu is niagara.
8250 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8251 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8252 just like v9/ultrasparc/ultrasparc3.
8253 * doc/invoke.texi: Add documentation for "niagara" and improve
8254 existing documentation for ultrasparc variants.
8256 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8258 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8260 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8262 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8263 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8264 and say that only one is needed.
8265 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8266 * target.h (have_switchable_bss_sections): New hook.
8267 * explow.c (use_anchored_address): Check that the symbol is in a block.
8268 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8269 (bss_noswitch_section): New variables.
8270 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8271 (get_noswitch_section): New function.
8272 (get_block_for_section): Allow SECT to be null.
8273 (unlikely_text_section_p): Use SECTION_STYLE.
8274 (bss_initializer_p): New function.
8275 (get_variable_section): Move earlier in file. Take a new argument,
8276 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8277 Return one of the new *_sections in such cases.
8278 (get_block_for_decl): New function, extracting some logic from
8279 use_blocks_for_decl_p.
8280 (change_symbol_section): Remove in favor of...
8281 (change_symbol_block): ...this new function.
8282 (use_blocks_for_decl_p): Remove checks now performed by
8284 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8285 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8286 (emit_local, emit_bss, emit_common): ...these new functions.
8287 Return true if the alignment was honored.
8288 (emit_tls_common): New function.
8289 (asm_emit_uninitialised): Delete.
8290 (assemble_variable_noswitch): New function, split out from...
8291 (assemble_variable): ...here. Don't make decisions about common
8292 variables here. Globalize all public decls that go into non-common
8293 sections. Check whether SYMBOL_REF_BLOCK is null.
8294 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8295 (output_constant_pool): Likewise.
8296 (init_varasm_once): Initialize the new section variables.
8297 (have_global_bss_p): New function.
8298 (categorize_decl_for_section): Use bss_initializer_p.
8299 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8300 (place_block_symbol): Assert that the symbol must be in a block.
8301 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8302 (TARGET_INITIALIZER): Include it.
8303 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8304 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8305 (SECTION_MACH_DEP): Bump by two.
8306 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8307 (unnamed_section): Mention SECTION_UNNAMED in comment.
8308 (named_section): Likewise SECTION_NAMED.
8309 (noswitch_section_callback): New type.
8310 (noswitch_section): New structure.
8311 (section): Add a noswitch_section alternative.
8312 (SECTION_STYLE): New macro.
8313 (tls_comm_section, comm_section, lcomm_section): Declare.
8314 (bss_noswitch_section, have_global_bss_p): Declare.
8315 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8316 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8318 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8319 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8322 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8324 * tree-vrp.c (execute_vrp): Return value.
8325 * regrename.c (rest_of_handle_regrename): Ditto.
8326 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8327 * tree-complex.c (tree_lower_complex): Ditto.
8328 (tree_lower_complex_O0): Ditto.
8329 * tracer.c (rest_of_handle_tracer): Ditto.
8330 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8331 * postreload.c (rest_of_handle_postreload): Ditto.
8332 * tree-tailcall.c (execute_tail_recursion): Ditto.
8333 (execute_tail_calls): Ditto.
8334 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8335 * tree.h (init_function_for_compilation): Ditto.
8336 * ipa-cp.c (ipcp_driver): Ditto.
8337 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8338 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8339 * final.c (compute_alignments): Ditto.
8340 (rest_of_handle_final): Ditto.
8341 (rest_of_handle_shorten_branches): Ditto.
8342 (rest_of_clean_state): Ditto.
8343 * omp-low.c (execute_expand_omp): Ditto.
8344 (execute_lower_omp): Ditto.
8345 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8346 * ipa-reference.c (static_execute): Ditto.
8347 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8348 * reorg.c (rest_of_handle_delay_slots): Ditto.
8349 (rest_of_handle_machine_reorg): Ditto.
8350 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8351 * flow.c (recompute_reg_usage): Ditto.
8352 (rest_of_handle_remove_death_notes): Ditto.
8353 (rest_of_handle_life): Ditto.
8354 (rest_of_handle_flow2): Ditto.
8355 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8356 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8357 (do_ssa_store_ccp): Ditto.
8358 (execute_fold_all_builtins): Ditto.
8359 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8360 * modulo-sched.c (rest_of_handle_sms): Ditto.
8361 * ipa-pure-const.c (static_execute): Ditto.
8362 * cse.c (rest_of_handle_cse): Ditto.
8363 (rest_of_handle_cse2): Ditto.
8364 * web.c (rest_of_handle_web): Ditto.
8365 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8366 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8367 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8368 * tree-nrv.c (tree_nrv): Ditto.
8369 (execute_return_slot_opt): Ditto.
8370 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8371 (create_structure_vars): Ditto.
8372 * loop-init.c (rtl_loop_init): Ditto.
8373 (rtl_loop_done): Ditto.
8374 (rtl_move_loop_invariants): Ditto.
8375 (rtl_unswitch): Ditto.
8376 (rtl_unroll_and_peel_loops): Ditto.
8377 (rtl_doloop): Ditto.
8378 * gimple-low.c (lower_function_body): Ditto.
8379 (mark_used_blocks): Ditto.
8380 * tree-ssa-sink.c (execute_sink_code): Ditto.
8381 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8382 (cgraph_early_inlining): Ditto.
8383 * global.c (rest_of_handle_global_alloc): Ditto.
8384 * jump.c (cleanup_barriers): Ditto.
8385 (purge_line_number_notes): Ditto.
8386 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8387 (rest_of_handle_if_after_reload): Ditto.
8388 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8389 (tree_ssa_loop_im): Ditto.
8390 (tree_ssa_loop_unswitch): Ditto.
8391 (tree_vectorize): Ditto.
8392 (tree_linear_transform): Ditto.
8393 (tree_ssa_loop_ivcanon): Ditto.
8394 (tree_ssa_empty_loop): Ditto.
8395 (tree_ssa_loop_bounds): Ditto.
8396 (tree_complete_unroll): Ditto.
8397 (tree_ssa_loop_prefetch): Ditto.
8398 (tree_ssa_loop_ivopts): Ditto.
8399 (tree_ssa_loop_done): Ditto.
8400 * predict.c (tree_estimate_probability): Ditto.
8401 * recog.c (split_all_insns_noflow): Ditto.
8402 (rest_of_handle_peephole2): Ditto.
8403 (rest_of_handle_split_all_insns): Ditto.
8404 * tree-eh.c (lower_eh_constructs): Ditto.
8405 * regmove.c (rest_of_handle_regmove): Ditto.
8406 (rest_of_handle_stack_adjustments): Ditto.
8407 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8408 * function.c (instantiate_virtual_regs): Ditto.
8409 (init_function_for_compilation): Ditto.
8410 (rest_of_handle_check_leaf_regs): Ditto.
8411 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8412 (rest_of_handle_gcse): Ditto.
8413 * ipa-type-escape.c (type_escape_execute): Ditto.
8414 * alias.c (rest_of_handle_cfg): Ditto.
8415 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8416 * profile.c (rest_of_handle_branch_prob): Ditto.
8417 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8418 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8419 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8420 * tree-dfa.c (find_referenced_vars): Ditto.
8421 * except.c (set_nothrow_function_flags): Ditto.
8422 (convert_to_eh_region_ranges): Ditto.
8423 (rest_of_handle_eh): Ditto.
8424 * emit-rtl.c (unshare_all_rtl): Ditto.
8425 (remove_unnecessary_notes): Ditto.
8426 * except.h (set_nothrow_function_flags): Ditto.
8427 (convert_to_eh_region_ranges): Ditto.
8428 * cfgexpand.c (tree_expand_cfg): Ditto.
8429 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8430 * tree-ssa-pre.c (do_pre): Ditto.
8431 (execute_fre): Ditto.
8432 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8433 (rest_of_handle_jump2): Ditto.
8434 * tree-sra.c (tree_sra): Ditto.
8435 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8436 (execute_mudflap_function_decls): Ditto.
8437 * tree-ssa-copy.c (do_copy_prop): Ditto.
8438 (do_store_copy_prop): Ditto.
8439 * ipa-prop.h (ipcp_driver): Ditto.
8440 * cfglayout.c (insn_locators_initialize): Ditto.
8441 * tree-ssa-forwprop.c
8442 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8443 * cfglayout.h (insn_locators_initialize): Ditto.
8444 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8445 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8446 (execute_late_warn_uninitialized): Ditto.
8447 * rtl.h (cleanup_barriers): Ditto.
8448 (split_all_insns_noflow): Ditto.
8449 (purge_line_number_notes): Ditto.
8450 (unshare_all_rtl): Ditto.
8451 (remove_unnecessary_notes): Ditto.
8452 (recompute_reg_usage): Ditto.
8453 (variable_tracking_main): Ditto.
8454 * integrate.c (emit_initial_value_sets): Ditto.
8455 * integrate.h (emit_initial_value_sets): Ditto.
8456 * tree-optimize.c (execute_free_datastructures): Ditto
8457 (execute_free_cfg_annotations): Ditto.
8458 (execute_fixup_cfg): Ditto.
8459 (execute_cleanup_cfg_pre_ipa): Ditto.
8460 (execute_cleanup_cfg_post_optimizing): Ditto.
8461 (execute_init_datastructures): Ditto.
8462 * tree-object-size.c (compute_object_sizes): Ditto.
8463 * combine.c (rest_of_handle_combine): Ditto.
8464 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8465 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8466 (rest_of_handle_reorder_blocks): Ditto.
8467 (rest_of_handle_partition_blocks): Ditto.
8468 * var-tracking.c (variable_tracking_main): Ditto.
8469 * tree-profile.c (tree_profiling): Ditto.
8470 * tree-vect-generic.c (expand_vector_operations): Ditto.
8471 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8472 * sched-rgn.c (rest_of_handle_sched): Ditto.
8473 (rest_of_handle_sched2): Ditto.
8474 * basic-block.h (free_bb_insn): Ditto.
8475 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8476 * tree-cfg.c (execute_build_cfg): Ditto.
8477 (remove_useless_stmts): Ditto.
8478 (split_critical_edges): Ditto.
8479 (execute_warn_function_return): Ditto.
8480 (execute_warn_function_noreturn): Ditto.
8481 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8482 * cfgrtl.c (free_bb_for_insn): Ditto.
8483 * passes.c (execute_one_pass): Run additional
8484 todos returned by execute function.
8485 * tree-pass.h (struct tree_opt_pass): Make execute
8488 2006-03-02 Richard Guenther <rguenther@suse.de>
8490 * tree-ssa-alias.c (find_used_portions): Consider taking
8491 the address as making the variable not write-only.
8493 2006-03-02 Nick Clifton <nickc@redhat.com>
8495 * config.gcc (default_use_cxa_atexit): Extend the description of
8496 this configure variable. Set its default value to "yes" for
8497 Linux, NetBSD and ELF targets on the assumption that they will
8498 use C libraries with the __cxa_atexit function.
8500 2006-03-02 Ben Elliston <bje@au.ibm.com>
8502 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8503 parameter as unused to suppress a build warning.
8505 2006-03-02 Ben Elliston <bje@au.ibm.com>
8507 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8510 2006-03-01 Roger Sayle <roger@eyesopen.com>
8513 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8514 declared name, the weak reference name, and the typeof name.
8515 (__gthrw): Avoid expanding the declared name suffix.
8516 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8518 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8520 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8522 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8523 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8524 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8525 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8526 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8527 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8528 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8529 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8530 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8531 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8532 (DW_END_default, DW_END_big, DW_END_little): New.
8533 (DW_END_lo_user, DW_END_hi_user): Define.
8534 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8535 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8536 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8539 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8541 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8543 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8545 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8547 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8549 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8550 to 'symbol_mem_tag'.
8552 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8555 2006-03-01 Roger Sayle <roger@eyesopen.com>
8557 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8559 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8562 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8563 MACHO_DYNAMIC_NO_PIC_P.
8564 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8566 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8569 * config/darwin-protos.h (darwin_asm_output_anchor):
8571 * config/darwin-sections.def (cstring_section):
8572 Add SECTION_MERGE to the flags.
8573 (literal4_section): Likewise.
8574 (literal8_section): Likewise.
8575 (objc_selector_refs_section): Likewise.
8576 (objc_cls_refs_section): Likewise.
8577 * config/darwin.c (darwin_asm_output_anchor): New
8579 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8581 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8583 Fix PR tree-optimization/26443
8584 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8585 to todo and PROP_tmt_usage to properties_destroyed.
8586 * tree-ssa-ccp.c (pass_ccp): Ditto.
8587 (pass_store_ccp): Ditto.
8588 * tree-ssa-dom.c (pass_dominator): Ditto.
8590 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8592 * tree-ssa-operands.c: Cleanup whitespace.
8593 (get_asm_expr_operands): Move before first invocation.
8594 (get_indirect_ref_operands): Likewise.
8595 (get_tmr_operands): Likewise.
8596 (get_call_expr_operands): Likewise.
8597 (append_def): Likewise.
8598 (append_use): Likewise.
8599 (append_v_may_def): Likewise.
8600 (append_v_must_def): Likewise.
8601 (add_call_clobber_ops): Likewise.
8602 (add_call_read_ops): Likewise.
8603 (add_stmt_operand): Likewise.
8604 (add_virtual_operand): Likewise.
8605 (build_ssa_operands): Likewise.
8607 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8612 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8613 with a call expr to ...
8614 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8616 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8618 * tree-vrp.c (extract_range_from_assert): Remove special
8619 handling for types with super-types.
8621 2006-03-01 Ben Elliston <bje@au.ibm.com>
8623 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8624 and powerpc64-*-linux* configurations.
8625 * config/t-dfprules: New file.
8627 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8628 Compile dfp-bit.c from the source directory using -DWIDTH and
8629 $DFP_CFLAGS to control the compilation of that file, rather than
8630 generating width-specific versions in the build directory.
8631 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8632 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8634 2006-02-28 Zack Weinberg <zackw@panix.com>
8636 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8639 2006-02-28 Eric Christopher <echristo@apple.com>
8641 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8642 Set up IN_LIBGCC definition of TARGET_64BIT.
8643 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8645 2006-02-28 Roger Sayle <roger@eyesopen.com>
8648 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8649 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8650 cases via the construction of "expr != 0".
8652 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8654 * alias.c (alias_invariant, alias_invariant_size): Remove.
8655 (record_base_value): Remove.
8656 (memrefs_conflict_p): Don't look at alias_invariant.
8657 (end_alias_analysis): Don't free it.
8658 * alias.h (record_base_value): Remove prototype.
8660 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8661 Adam Nemet <anemet@caviumnetworks.com>
8663 * rtl.h (truncated_to_mode): Declare it.
8664 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8665 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8666 (RTL_HOOKS_INITIALIZER): Include it.
8667 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8668 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8669 reg_truncated_to_mode.
8670 * rtlanal.c (truncated_to_mode): Define it.
8671 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8673 2006-02-28 Jeff Law <law@redhat.com>
8675 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8676 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8677 the range allowed by TYPE_PRECISION.
8679 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8681 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8683 PR tree-optimization/26419
8684 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8687 2006-02-27 Zack Weinberg <zackw@panix.com>
8689 * doc/md.texi: Fix typo in previous change.
8691 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8695 2006-02-27 Zack Weinberg <zackw@panix.com>
8697 * rtl.def (define_constraint, define_register_constraint)
8698 (define_memory_constraint, define_address_constraint): New MD forms.
8699 * gensupport.c (process_rtx): Put define_constraint etc on the
8701 * genpreds.c (process_define_predicate): Adjust comment. Validate
8702 the name, and call validate_exp to validate the expression.
8703 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8704 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8705 all callers changed.
8706 (validate_exp, needs_variable, struct constraint_data)
8707 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8708 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8709 (const_dbl_constraints, constraint_max_namelen)
8710 (have_register_constraints, have_memory_constraints)
8711 (have_address_constraints, have_address_constraints)
8712 (have_extra_constraints, have_const_int_constraints)
8713 (have_const_dbl_constraints, mangle, add_constraint)
8714 (process_define_constraint, process_define_register_constraint)
8715 (write_enum_constraint_num, write_lookup_constraint)
8716 (write_insn_constraint_len, write_regclass_for_constraint)
8717 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8718 (write_insn_extra_memory_constraint)
8719 (write_insn_extra_address_constraint)
8720 (write_satisfies_constraint_fns): New.
8721 (write_tm_preds_h): If we have new-style constraint definitions,
8722 prototype the functions generated from them, and define the
8723 old constraint interface (still used by generic code) in terms of
8725 (write_insn_preds_c): If we have new-style constraint definitions,
8726 generate all relevant functions from those definitions.
8727 (main): Handle define_constraint etc.
8728 * genoutput.c (struct constraint_data, indep_constraints)
8729 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8730 (mdep_constraint_len): New data structures and functions, defined
8731 #ifdef USE_MD_CONSTRAINTS.
8732 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8733 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8734 use new logic to validate operand constraints against constraint
8736 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8738 * defaults.h: If none of the old-style constraint macros are
8739 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8740 old-style macros; and poison REG_CLASS_FROM_LETTER,
8741 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8743 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8744 * doc/md.texi: Document new constraint-definition mechanism and the
8745 C interface it provides. Remove references to old mechanism
8746 elsewhere in the document.
8747 (Machine Constraints): Use pathnames relative to gcc directory,
8748 i.e. config/ARCH/FILE. Change i386 section to refer to
8749 config/i386/predicates.md; update that section to match docstrings.
8750 * doc/tm.texi: Move all documentation of the old constraint-
8751 definition macros to their own section, clearly mark as obsolete.
8753 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8754 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8756 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8757 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8758 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8760 (splits and peepholes): Use satisfies_constraint_*.
8761 * config/i386/i386.c (memory_address_length)
8762 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8764 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8766 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8767 scalar operation to be put back into the loop.
8769 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8772 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8773 (extract_cie_info): Handle S flag in augmentation string.
8774 (execute_cfa_program): If context->signal_frame, execute also
8775 fs->pc == context->ra instructions.
8776 (uw_frame_state_for): If context->signal_frame, don't subtract one
8777 from context->ra to find FDE.
8778 (uw_update_context_1): Set context->signal_frame to
8780 (_Unwind_GetIPInfo): New function.
8781 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8782 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8784 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8785 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8786 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8787 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8788 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8789 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8790 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8791 x86_64_fallback_frame_state): Set fs->signal_frame.
8792 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8793 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8794 (frob_update_context): Likewise. Workaround missing S flag in
8795 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8796 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8797 Remove the psw_addr + 1 hack.
8799 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8801 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8802 with aggregates here.
8803 (find_func_aliases): Remove code for &<aggregate> from here.
8805 2006-02-26 Roger Sayle <roger@eyesopen.com>
8807 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8808 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8809 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8812 2006-02-26 Roger Sayle <roger@eyesopen.com>
8815 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8817 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8819 * opts.c (decode_options): Do not handle flag_strength_reduce.
8820 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8821 and OPT_fstrength_reduce.
8822 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8823 flag_prefetch_loop_arrays for being nonzero.
8824 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8826 (fprefetch-loop-arrays-rtl): Removed.
8827 (flag_prefetch_loop_arrays): Do not specify the value.
8829 * doc/passes.texi: Update documentation of loop optimizer
8831 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8832 -frerun-loop-opt): Remove.
8834 2006-02-26 Richard Guenther <rguenther@suse.de>
8836 PR tree-optimization/26421
8837 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8838 in function calls that are ADDR_EXPRs as using the whole structure.
8840 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8842 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8843 * tree-pass.h (pass_loop_optimize): Remove.
8844 * passes.c (pass_loop_optimize): Never run it.
8845 * toplev.c (backend_init): Don't call init_loop.
8846 * opts.c (flag_loop_optimize_set): Remove.
8847 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8848 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8849 the old RTL loop optimizer when profiling enabled.
8850 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8851 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8852 pre-headers for the sake of the old RTL loop optimizer.
8853 * Makefile.in: Remove all references to loop.o.
8855 * doc/invoke.texi: Remove all references to -floop-optimize
8856 and -frerun-loop-opt.
8858 2006-02-26 Zack Weinberg <zackw@panix.com>
8860 * doc/md.texi (Machine Constraints): Refer to all files with paths
8861 relative to gcc directory (i.e. config/CPU/file). Add missing
8862 @table @code ... @end table to M32C subsection.
8864 2006-02-26 Roger Sayle <roger@eyesopen.com>
8866 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8868 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8870 2006-02-26 Roger Sayle <roger@eyesopen.com>
8871 James A. Morrison <phython@gcc.gnu.org>
8874 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8875 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8876 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8877 signedness of the shift operation.
8879 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8881 PR tree-optimization/26359
8882 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8884 2006-02-25 Roger Sayle <roger@eyesopen.com>
8886 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8887 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8888 as X == 0, and some symmetry related transformations.
8889 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8891 2006-02-25 Roger Sayle <roger@eyesopen.com>
8894 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8895 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8896 symmetry related transformations. Fold (X^C1) == C2 as
8899 2006-02-25 Juergen Weigert <jw@suse.de>
8900 Richard Guenther <rguenther@suse.de>
8902 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8904 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8906 * combine.c (gen_lowpart_or_truncate): Call
8907 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8909 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8911 * doc/invoke.texi: Move -fopenmp description to "Options for
8913 Remove reference to -lgomp.
8915 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8917 * doc/install.texi: Require GNU tar version 1.14.
8919 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8921 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8922 * doc/invoke.texi (C++ Dialect Options): Document
8923 -fno-use-cxa-get-exception-ptr.
8924 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8925 * configure: Regenerate.
8926 * c.opt (fuse-cxa-get-exception-ptr): New.
8927 * c-opts.c (c_common_handle_option): Handle
8928 OPT_fuse_cxa_get_exception_ptr.
8929 * c-common.c (flag_use_cxa_atexit): Update documentation.
8930 (flag_use_cxa_get_exception_ptr): New.
8931 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8932 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8934 (C_COMMON_OVERRIDE_OPTIONS): New.
8936 2006-02-24 Roger Sayle <roger@eyesopen.com>
8939 * combine.c (try_combine): Explicitly check whether GET_CODE is
8940 a SET or a CLOBBER, instead on checking that it isn't a USE.
8942 2006-02-24 Roger Sayle <roger@eyesopen.com>
8944 * fold-const.c (fold_comparison): New subroutine of fold_binary
8945 containing transformations common to both the equality and
8946 ordering relational operators, factored out of fold_binary.
8947 (fold_binary): Separate out the equality operators (EQ_EXPR
8948 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8949 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8950 transformations common to both.
8951 (fold_div_compare): Fix latent bugs in the previously unreachable
8952 LT_EXPR and GE_EXPR cases.
8954 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8956 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8957 decl libname for clog to __clog on AIX.
8959 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8961 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8964 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8965 output traceback table for thunks. Localise rs6000_stack_info call.
8967 2006-02-23 Roger Sayle <roger@eyesopen.com>
8968 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8970 * gthr-posix.h (__gthrw): Fix typo in comment.
8972 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8974 * doc/cpp.texi (Character sets): Document that we do support
8975 input files to be in any character set.
8977 2006-02-23 Jeff Law <law@redhat.com>
8979 * tree.h (PHI_ARG_NONZERO): Remove.
8980 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8981 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8982 node to the new node.
8984 PR tree-optimization/26425
8985 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8986 min/max, then assume its varying.
8988 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8990 PR rtl-optimization/26316
8991 * rtlanal.c (enum may_trap_p_flags): New.
8992 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8993 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8994 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8995 (may_trap_after_code_motion_p): New function.
8996 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8997 (find_invariant_insn): Use may_trap_after_code_motion_p.
8998 * rtl.h (may_trap_after_code_motion_p): Declare.
9000 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9002 * emit-rtl.c (immed_double_const): Cleanup.
9004 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9006 Fix PR tree-optimization/26376
9007 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9010 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9013 * gimplify.c (omp_add_variable): Guard variable size decl test with
9014 DECL_SIZE (decl) check.
9016 2006-02-23 Richard Guenther <rguenther@suse.de>
9019 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9020 like aggregate types.
9022 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9024 * configure.ac: Add --with{,out}-long-double-128 configure option.
9025 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9026 * configure: Rebuilt.
9027 * config.in: Rebuilt.
9028 * doc/install.texi (Options specification): Document
9029 --with-long-double-128.
9031 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9032 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9033 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9034 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9036 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9038 * config/s390/s390.c (override_options): Handle
9039 TARGET_DEFAULT_LONG_DOUBLE_128.
9041 * config/alpha/alpha.c (override_options): Handle
9042 TARGET_DEFAULT_LONG_DOUBLE_128.
9044 * config/sparc/sparc.c (sparc_override_options): Handle
9045 TARGET_DEFAULT_LONG_DOUBLE_128.
9047 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9049 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9050 (real-install-headers-tar, real-install-headers-cpio)
9051 (real-install-headers-cp): New targets.
9053 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9055 * tree.h (variable_section): Delete.
9056 * varasm.c (variable_section): Delete.
9058 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9060 * install.texi: Add notes on install.texi2html.
9061 (Building in parallel): Do not use footnotes.
9063 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9066 * doc/install.texi (Configuration): Document --disable-libgomp.
9068 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9070 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9072 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9074 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9075 (vec_extractv2df_0_sse): New.
9077 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9079 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9080 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9081 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9082 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9083 to the result of the expression.
9084 (def_cfa_1): Adjust.
9085 (frame_pointer_cfa_offset): Rename to...
9086 (frame_pointer_fb_offset): ... this. Adjust all uses.
9087 (convert_cfa_to_loc_list): Rename to...
9088 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9089 Pass it on to build_cfa_loc.
9090 (compute_frame_pointer_to_cfa_displacement): Rename to...
9091 (compute_frame_pointer_to_fb_displacement): ... this. New
9092 offset parameter. Use it in computation.
9093 (gen_subprogram_die): Compute cfa_fb_offset with the new
9094 macro, and use it to compute the fb loc list and the
9097 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9099 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9100 replaced with register_operand.
9101 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9102 non-DREG is expensive.
9103 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9104 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9107 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9109 * doc/install.texi2html: Use set -e.
9111 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9113 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9114 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9115 * doc/invoke.texi (-fshared-data): Delete.
9116 * common.opt (fshared-data): Delete.
9117 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9118 (assemble_static_space): Remove #if 0 code.
9119 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9120 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9121 * config/cris/cris.h: Remove FIXME.
9123 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9125 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9128 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9131 * combine.c (simplify_shift_const_1): Disable nested shifts
9132 optimization for vector shifts.
9134 2006-02-20 Roger Sayle <roger@eyesopen.com>
9136 PR tree-optimization/26361
9137 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9138 of unsigned integer types.
9140 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9142 * tree-chrec.c (eq_evolutions_p): New.
9143 * tree-chrec.h (eq_evolutions_p): Declared.
9144 * tree-data-ref.c: Fix formatting.
9145 (datadep_stats, dependence_stats): New.
9147 (print_direction_vector): New.
9148 (dump_data_dependence_relation): Use print_direction_vector.
9149 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9150 (compute_subscript_distance): Static.
9151 (initialize_data_dependence_relation): Static. Get the number
9152 of loops surrounding the references from the callers, and initialize
9153 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9154 base_object_differ_p analyzers.
9155 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9156 compute_overlap_steps_for_affine_1_2,
9157 analyze_subscript_affine_affine): Count the classified dependences.
9158 Print a message when a test failed.
9159 (can_use_analyze_subscript_affine_affine): New.
9160 (analyze_siv_subscript): Compute the data dependences on symbolic
9161 scevs that verify can_use_analyze_subscript_affine_affine.
9162 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9163 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9164 Handle symbolic scevs.
9165 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9167 (subscript_dependence_tester): Moved...
9168 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9169 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9170 DDR_SIZE_VECT instead of getting it in parameter.
9171 (subscript_dependence_tester): ... here. Take as a parameter
9172 loop_nest_depth. Call build_classic_dist_vector and
9173 build_classic_dir_vector.
9174 (compute_affine_dependence): Update subscript_dependence_tester
9175 parameters. Update datadep_stats counters. Call
9176 compute_subscript_distance.
9177 (compute_self_dependence): Save the dist and dir vectors. Call
9178 compute_subscript_distance.
9179 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9180 (compute_all_dependences): Reorder parameters as they were before
9181 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9182 compute_subscript_distance. Update the use of
9183 compute_affine_dependence and initialize_data_dependence_relation.
9184 (find_data_references_in_loop): Handle COMPONENT_REF.
9185 (compute_data_dependences_for_loop): Initialize dependence_stats.
9186 Don't call build_classic_dist_vector and build_classic_dir_vector.
9187 Update the parameters of initialize_data_dependence_relation and
9188 compute_all_dependences. Print the statistics from datadep_stats.
9189 (analyze_all_data_dependences): Static. Not used until the pass for
9190 checking the data dependences is contributed.
9191 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9192 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9193 (initialize_data_dependence_relation, compute_affine_dependence,
9194 analyze_all_data_dependences, compute_subscript_distance): Removed.
9195 (print_direction_vector): New.
9196 * lambda.h (gcd): ... here.
9197 (lambda_vector_gcd): Moved here from gcd_vector.
9198 * lambda-code.c (gcd, gcd_vector): Removed.
9199 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9200 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9202 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9204 * ipa-type-escape.c: Tidy some comments and white space.
9205 * tree-ssa-operands.c: Likewise.
9207 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9210 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9211 (dump_decl_name): Do not walk the decl tree chains.
9212 * tree-pass.h (TDF_CHAIN): Remove.
9214 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9216 * Makefile.in (C): Remove
9218 (.PHONY): Remove C and PROTO
9220 2006-02-20 Roger Sayle <roger@eyesopen.com>
9223 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9224 deprecated CHAR_TYPE tree code.
9226 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9228 * configure.ac (target_list): Add install-info, dvi, html.
9229 * configure: Regenerate.
9231 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9232 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9233 treelang/Make-lang.in: Do not use double-colon rules.
9235 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9237 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9238 (TMT_USED_ALONE): New macro.
9239 * tree-pass.h (PROP_tmt_usage): New property.
9240 (TODO_update_tmt_usage): New todo.
9241 * tree-ssa-alias.c (updating_used_alone): New variable.
9242 (recalculate_used_alone): New function.
9243 (compute_may_aliases): Set updating_used_alone, call
9244 recalculate_used_alone.
9245 * tree-sra.c (pass_sra): Note that this pass destroys
9246 PROP_tmt_usage, and add TODO_update_tmt_usage.
9247 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9248 * tree-flow.h (updating_used_alone): Prototype.
9249 (recalculate_used_alone): Ditto.
9250 * passes.c (execute_todo): Add code to set updating_used_alone,
9251 and call recalculate.
9252 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9253 for clobber if used alone, and add assert to verify used_alone
9256 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9258 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9259 for non tls symbols added.
9260 (legitimize_address): Do nothing for PLUS expressions if one of the
9261 addends is a tls symbol reference.
9263 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9267 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9269 * Makefile.in (BOOTSTRAPPING): New.
9270 (quickstrap): New definition if BOOTSTRAPPING=yes.
9272 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9273 * configure.ac: Substitute all_selected_languages with the languages
9274 that were configured. For all the other variables except
9275 lang_specs_files, include all the languages in the tree.
9276 * configure: Regenerate.
9278 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9279 if there is one. Run the commands to run fixincludes in the same
9282 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9283 * doc/install.texi: Document exact conventions for searching target tools.
9284 Document --with-build-time-tools. Document toplevel bootstrap. Document
9285 something more about building an Ada cross-compiler. Don't list GNU Make
9286 requirements which affect all platforms.
9288 2006-02-19 Roger Sayle <roger@eyesopen.com>
9291 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9292 only equivalent if the have both the same mode and precision.
9294 2006-02-20 Ben Elliston <bje@au.ibm.com>
9296 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9298 2006-02-19 Roger Sayle <roger@eyesopen.com>
9299 Steven Bosscher <stevenb.gcc@gmail.com>
9301 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9302 constant pool references to identify stack mode constants.
9303 * rtlanal.c (constant_pool_constant_p): New predicate to check
9304 whether operand is a floating point constant in the pool.
9305 * rtl.h (constant_pool_constant_p): Prototype here.
9306 * loop.c (scan_loop): Avoid hoisting constants from the constant
9307 pool on STACK_REGS targets.
9308 (load_mems): Likewise.
9309 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9310 loads into x87 registers expensive in terms of register pressure.
9312 2006-02-19 Roger Sayle <roger@eyesopen.com>
9314 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9315 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9317 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9319 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9320 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9322 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9324 * doc/invoke.texi: Document -fipa-pta.
9325 * common.opt: Add ipa-pta option.
9326 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9327 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9328 (do_ds_constraint): Ditto.
9329 (get_constraint_for): Only add to referenced_vars if
9330 referenced_vars exists.
9331 (insert_into_field_list): Rewrite to do this unsorted.
9332 (insert_into_field_list_sorted): Rename old insert_into_field_list
9334 (create_function_info_for): Use insert_into_field_list_sorted.
9335 (create_variable_info_for): Rewrite so it uses unsorted version,
9336 since the field list is sorted.
9337 (intra_create_variable_infos): Only add to referenced_vars if
9338 referenced_vars exists.
9339 (ipa_pta_execute): Init heapvars, and delete when done.
9340 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9342 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9344 * doc/install.texi: Add missing `@samp'.
9346 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9348 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9351 2006-02-18 Mark Wielaard <mark@klomp.org>
9353 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9354 who added new 4.1 features, bug fixes and integration support.
9356 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9359 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9362 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9364 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9365 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9366 (copy_insn_1): Likewise. Don't copy each field individually.
9368 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9370 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9371 * rtl.c (rtx_size): Rename variable to...
9372 (rtx_code_size): ...this.
9373 (rtx_size): New function.
9374 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9375 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9377 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9378 * rtl.h (rtx_code_size): New variable.
9379 (rtx_size): Change from a variable to a function.
9380 (RTX_SIZE): Rename to...
9381 (RTX_CODE_SIZE): ...this.
9384 PR tree-optimization/17106
9385 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9386 (Anchored Addresses): New section.
9387 * doc/invoke.texi (-fsection-anchors): Document.
9388 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9389 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9390 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9391 * hooks.c (hook_bool_mode_rtx_false): New function.
9392 * hooks.h (hook_bool_mode_rtx_false): Declare.
9393 * gengtype.c (create_optional_field): New function.
9394 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9395 SYMBOL_REF_IN_BLOCK_P is true.
9396 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9397 (min_anchor_offset, max_anchor_offset): Likewise.
9398 (use_anchors_for_symbol_p): New hook.
9399 * toplev.c (compile_file): Call output_object_blocks.
9400 (target_supports_section_anchors_p): New function.
9401 (process_options): Check that -fsection-anchors is only used on
9402 targets that support it and when -funit-at-a-time is in effect.
9403 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9404 if the decl doesn't have one.
9405 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9406 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9407 of force_const_mem through use_anchored_address.
9408 (expand_expr_constant): New function.
9409 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9410 calling expand_expr for INDIRECT_REF.
9411 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9412 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9413 * expr.h (use_anchored_address): Declare.
9414 * loop-unroll.c: Don't declare rtx vectors here.
9415 * explow.c: Include output.h.
9416 (validize_mem): Call use_anchored_address.
9417 (use_anchored_address): New function.
9418 * common.opt (-fsection-anchors): New switch.
9419 * varasm.c (object_block_htab, anchor_labelno): New variables.
9420 (hash_section, object_block_entry_eq, object_block_entry_hash)
9421 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9422 (use_blocks_for_decl_p, change_symbol_section): New functions.
9423 (get_variable_section): New function, split out from assemble_variable.
9424 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9425 use_blocks_for_decl_p say so. Use change_symbol_section if the
9426 symbol has already been created.
9427 (assemble_variable_contents): New function, split out from...
9428 (assemble_variable): ...here. Don't output any code for
9429 block symbols; just pass them to place_block_symbol.
9430 Use get_variable_section and assemble_variable_contents.
9431 (get_constant_alignment, get_constant_section, get_constant_size): New
9432 functions, split from output_constant_def_contents.
9433 (build_constant_desc): Create a block symbol if use_object_blocks_p
9434 says so. Or into SYMBOL_REF_FLAGS.
9435 (assemble_constant_contents): New function, split from...
9436 (output_constant_def_contents): ...here. Don't output any code
9437 for block symbols; just pass them to place_section_symbol.
9438 Use get_constant_section and get_constant_alignment.
9439 (force_const_mem): Create a block symbol if use_object_blocks_p and
9440 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9441 (output_constant_pool_1): Add an explicit alignment argument.
9442 Don't switch sections here.
9443 (output_constant_pool): Adjust call to output_constant_pool_1.
9444 Switch sections here instead. Don't output anything for block symbols;
9445 just pass them to place_block_symbol.
9446 (init_varasm_once): Initialize object_block_htab.
9447 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9448 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9449 (place_block_symbol, get_section_anchor, output_object_block)
9450 (output_object_block_htab, output_object_blocks): New functions.
9451 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9452 (TARGET_ASM_OUT): Include it.
9453 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9454 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9455 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9456 (TARGET_INITIALIZER): Include them.
9457 * rtl.c (rtl_check_failed_block_symbol): New function.
9458 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9459 (block_symbol, object_block): New structures.
9460 (rtx_def): Add a block_symbol field to the union.
9461 (BLOCK_SYMBOL_CHECK): New macro.
9462 (rtl_check_failed_block_symbol): Declare.
9463 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9464 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9465 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9466 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9467 * output.h (output_section_symbols): Declare.
9468 (object_block): Name structure.
9469 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9470 (default_use_anchors_for_symbol_p): Declare.
9471 * Makefile.in (RTL_BASE_H): Add vec.h.
9472 (explow.o): Depend on output.h.
9473 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9474 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9475 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9476 (rs6000_use_blocks_for_constant_p): New function.
9478 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9480 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9482 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9485 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9488 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9490 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9494 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9497 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9498 instead of DECL_REGISTER.
9500 2006-02-18 Olivier Hainque <hainque@adacore.com>
9503 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9505 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9508 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9509 * opth-gen.awk: Handle Var and InverseMask together.
9510 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9511 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9512 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9513 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9515 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9516 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9517 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9518 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9519 LINUX_DYNAMIC_LINKER): Define.
9520 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9521 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9523 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9524 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9525 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9526 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9527 (TARGET_C99_FUNCTIONS): Don't define.
9528 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9529 GLIBC_DYNAMIC_LINKER.
9530 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9531 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9532 GLIBC_DYNAMIC_LINKER64): Define.
9533 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9534 LINUX_DYNAMIC_LINKER64.
9535 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9536 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9537 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9538 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9539 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9540 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9541 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9542 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9543 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9545 and LINUX_DYNAMIC_LINKER32.
9546 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9547 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9548 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9549 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9550 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9552 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9553 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9554 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9555 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9556 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9557 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9558 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9559 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9560 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9561 LINUX_DYNAMIC_LINKER): Define.
9562 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9563 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9564 GLIBC_DYNAMIC_LINKER64): Define.
9565 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9566 LINUX_DYNAMIC_LINKER64.
9567 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9568 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9569 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9570 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9571 LINUX_DYNAMIC_LINKER): Define.
9572 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9573 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9574 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9575 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9576 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9577 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9578 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9579 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9580 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9581 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9582 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9583 * doc/invoke.texi (-muclibc): Remove caveat about supported
9586 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9588 * doc/cpp.texi (__TIMESTAMP__): Document.
9590 2006-02-17 Roger Sayle <roger@eyesopen.com>
9593 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9594 C is one less than the width of X (and related transformations).
9595 * simplify-rtx.c (simplify_unary_operation_1): Transform
9596 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9597 depending on STORE_FLAG_VALUE, were C is one less then the
9600 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9602 Fix PR tree-optimization/26341
9603 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9604 about NAME_MEMORY_TAG's.
9606 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9609 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9610 with hardware float support, and software float support. Add fcpy
9611 alternative to hardware patterns. Add alternatives to copy between
9612 general and floating-point registers to the 32-bit pattern.
9613 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9614 secondary reload to load a QI or HI mode constant into a floating
9616 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9617 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9619 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9622 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9624 (load_macho_picbase_di): Likewise.
9626 2006-02-16 Jeff Law <law@redhat.com>
9628 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9629 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9630 (ssa_name_nonzero_p): Likewise.
9631 (get_value_range): Return NULL if VRP is not running.
9632 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9633 VRP routines do not discover a range.
9634 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9635 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9636 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9637 (tree_expr_nonnegative_p): Similarly.
9638 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9639 (restore_nonzero_vars_to_original_value): Remove.
9640 (unsafe_associative_fp_binop): Remove.
9641 (tree_ssa_dominator_optimize): Remove initialization and
9642 finalization of nonzero_vars and nonzero_vars_stack.
9643 (dom_opt_initialize_block): No longer push marker on
9645 (dom_opt_finalize_block): No longer call
9646 restore_nonzero_vars_to_original_value.
9647 (record_equivalences_from_phis): No longer look for
9648 nonzero PHI arguments.
9649 (cprop_into_successor_phis): No longer propagate nonzero
9650 property into PHI arguments. Lose unused argument. Caller
9652 (record_equivalences_from_stmt): No longer record nonzero
9653 values for SSA_NAMEs.
9654 (lookup_avail_expr): No longer use nonzero_vars.
9656 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9657 for sizetype when sizetype is unsigned.
9659 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9661 PR rtl-optimization/25603
9662 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9663 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9664 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9665 with new meaning of SETS.
9667 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9672 * config/linux.opt: New file.
9673 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9674 LINUX_DYNAMIC_LINKER): Define.
9675 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9676 * config.gcc (*-*-linux*): Define extra_options.
9677 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9678 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9679 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9680 GLIBC_DYNAMIC_LINKER.
9681 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9682 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9683 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9684 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9685 * doc/invoke.texi (GNU/Linux Options): New section.
9687 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9689 * config/sparc/sparc.md (setjmp): Rewrite.
9690 (setjmp_32): Delete.
9691 (setjmp_64): Likewise.
9693 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9695 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9698 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9700 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9703 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9705 PR rtl-optimization/26296
9706 * Makefile.in (loop-invariant.c): Add except.h dependency.
9707 * loop-invariant.c: Include except.h.
9708 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9710 2005-02-16 Paul Brook <paul@codesourcery.com>
9712 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9715 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9717 PR rtl-optimization/25636
9718 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9719 when deciding whether an insn is an initializing insn.
9721 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9723 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9724 (tree_code_size): Ditto.
9725 * tree.h (struct tree_memory_tag): Remove parent_var.
9726 (struct tree_struct_field_tag): New.
9729 (union tree_node): Add sft member.
9730 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9732 (create_sft): Add size and offset argument, set SFT_OFFSET and
9734 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9735 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9736 * tree-flow-inline.h (get_subvar_at): Update for
9737 SFT_OFFSET/SFT_SIZE.
9738 (var_can_have_subvars): Ditto.
9739 (overlap_subvar): Ditto.
9740 * print-tree.c (print_node): Print out interesting things for
9742 * tree-flow.h (struct subvar): Remove offset and size members.
9743 * tree-ssa-operands.c (get_expr_operands): Update for
9744 get_indirect_ref_operands changes.
9745 (get_indirect_ref_operands): Call add_virtual_operand instead of
9746 add_stmt_operand. Only recurse on base var if requested.
9747 (access_can_touch_variable): New function.
9748 (add_stmt_operand): Split virtual operand handling into ...
9749 (add_virtual_operand): Here. Add offset, size, and for_clobber
9750 arguments. Prune alias sets.
9751 (add_call_clobber_ops): Call add_virtual_operand.
9753 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9756 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9758 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9759 than TREE_CODE as index into omp_clause_num_ops array.
9761 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9763 PR rtl-optimization/26184
9764 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9766 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9767 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9768 must_precede, must_follow and tobe_scheduled.
9771 * opts.c (common_handle_option): Free new_option pointer.
9772 * df-core.c (df_analyze): Free postorder pointer.
9774 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9776 * Makefile.in: Fix the examples about the use of stamps
9778 2006-02-15 Michael Matz <matz@suse.de>
9782 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9783 influenced by maximum_field_alignment or DECL_PACKED.
9784 (update_alignment_for_field): Ditto.
9785 (place_field): Ditto.
9786 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9789 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9791 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9792 (debug_flow_info): Pass it.
9793 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9794 * bb-reorder.c (reorder_basic_blocks): Likewise.
9795 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9796 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9797 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9798 * gcse.c (gcse_main, bypass_jumps): Likewise.
9799 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9800 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9801 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9802 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9803 * rtl.h (dump_flow_info): Adjust prototype.
9804 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9805 * var-tracking.c (variable_tracking_main): Likewise.
9806 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9807 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9810 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9812 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9815 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9817 PR tree-optimization/26209
9818 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9819 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9821 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9823 2006-02-14 Roger Sayle <roger@eyesopen.com>
9826 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9827 (X,Y) and the corresponding symmetry related transformations.
9828 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9829 (X,Y) and its symmetry related transformations.
9831 2006-02-14 Roger Sayle <roger@eyesopen.com>
9833 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9836 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9838 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9840 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9843 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9844 support COMDAT group.
9845 * configure: Regenerate.
9847 2006-02-14 Roger Sayle <roger@eyesopen.com>
9852 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9854 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9856 Fix PR tree-optimization/26260
9858 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9860 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9861 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9862 * tree-ssa-structalias.c (create_variable_info_for): Use
9863 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9865 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9867 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9869 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9870 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9871 of the ending condition.
9872 * tree-ssa-loop-manip.c: Include params.h.
9873 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9874 tree_unroll_loop): New functions.
9875 * tree-pass.h (pass_loop_prefetch): Declare.
9876 * loop.c (rest_of_handle_loop_optimize): Test for
9877 -fprefetch-loop-arrays-rtl.
9878 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9879 * timevar.def (TV_TREE_PREFETCH): New timevar.
9880 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9881 pass_loop_prefetch): New.
9882 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9883 (cleanup_tree_cfg_loop): Call scev_reset.
9884 * common.opt (fprefetch-loop-arrays-rtl): Add.
9885 * tree-ssa-loop-prefetch.c: New file.
9886 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9887 (new_temp_expr_table): Initialize expr_vars.
9888 (free_temp_expr_table): Cleanup expr_vars.
9889 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9890 expressions from being merged into one.
9891 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9892 (struct tree_niter_desc): Add control, bound and cmp fields.
9893 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9895 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9896 (tree-cfgcleanup.o): Add SCEV_H dependency.
9897 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9898 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9900 2006-02-14 Richard Guenther <rguenther@suse.de>
9902 PR tree-optimization/26258
9903 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9904 in PHI argument processing.
9906 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9908 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9909 new expression in the requested machine mode.
9911 2006-02-13 Roger Sayle <roger@eyesopen.com>
9913 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9914 directly, instead let do_compare_rtx_and_jump handle this for us.
9915 * expr.c (expand_expr_real_1): Likewise.
9916 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9917 before do_jump_by_parts_greater.
9918 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9919 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9921 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9923 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9925 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9927 PR rtl-optimization/26235
9928 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9929 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9932 2006-02-13 Jeff Law <law@redhat.com>
9934 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9937 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9940 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9941 twice if decl is a builtin. When trying again, call get_callee_fndecl
9942 first to verify it is still a builtin.
9944 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9946 * dwarf2out.c (base_type_die): Don't add AT_name here.
9947 (subrange_type_die): Don't add AT_name here.
9948 (modified_type_die): Rearrange code flow. Do add AT_name here.
9950 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9952 PR rtl-optimization/26247
9953 PR rtl-optimization/26248
9954 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9956 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9958 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9959 * config/fixtfdi.c: Likewise.
9960 * config/fixunstfdi.c: Likewise.
9961 * config/floatditf.c: Likewise.
9963 2006-02-13 Roger Sayle <roger@eyesopen.com>
9966 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9967 into (X,C2) if C1 is a subset of the bits of C2. Transform
9968 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9970 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9972 2006-02-13 Josh Conner <jconner@apple.com>
9975 * varasm.c (function_section): Check for section name before
9976 calling select_section on targets that define
9977 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9978 unlikely_text_section instead of hot_function_section if
9979 first_function_block_is_cold.
9981 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9984 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9986 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9988 PR rtl-optimization/26222
9989 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9990 after tree->rtl expansion.
9991 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9992 before passing it to emit_move_insn.
9994 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9996 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9998 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9999 Clarify documentation.
10000 * c-common.h (warn_write_strings): Remove.
10001 * c-common.c (warn_write_strings): Likewise.
10002 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10005 2006-02-12 Roger Sayle <roger@eyesopen.com>
10007 PR middle-end/25724
10008 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10009 (do_jump_parts_zero_rtx): New function renamed from
10010 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10011 (do_jump_parts_equality_rtx): New function split out from
10012 do_jump_parts_equality. Old implementation renamed as above.
10013 Call do_jump_parts_zero_rtx if either operand is zero.
10014 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10015 do all of the heavy lifting.
10016 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10017 calling either do_jump_by_parts_greater_rtx or
10018 do_jump_by_parts_equality_rtx.
10019 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10020 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10021 moved to do_compare_rtx_and_jump, call it directly.
10022 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10023 mode argument. Call do_compare_rtx_and_jump.
10024 (emit_case_nodes): Update calls to do_jump_if_equal.
10026 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10028 PR rtl-optimization/26225
10029 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10031 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10033 PR rtl-optimization/26232
10034 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10036 2006-02-11 Jason Merrill <jason@redhat.com>
10039 * tree-inline.c (declare_return_variable): Just don't use the
10040 modify target if it's a gimple complex reg and the return slot
10043 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10045 * doc/contrib.texi: Update my entry.
10047 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10049 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10051 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10053 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10056 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10058 * doc/invoke.texi (-floop-optimize2): Removed.
10059 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10060 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10061 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10062 * common.opt (floop-optimize2): Removed.
10063 (fmove-loop-invariants): Enabled by default.
10065 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10067 * tree-if-conv.c (combine_blocks): Free the result of
10068 get_loop_exit_edges.
10070 2006-02-10 Jeff Law <law@redhat.com>
10072 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10074 PR tree-optimization/26213
10075 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10076 loop trying to follow SSA_NAME_VALUE chains.
10078 2006-02-10 Richard Guenther <rguenther@suse.de>
10080 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10081 deal with structures that end in implicitly variable sized arrays.
10083 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10085 PR rtl-optimization/24762
10086 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10089 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10091 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10092 (struct ivopts_data): Add regs_used field.
10093 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10094 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10095 instead of loop_data->regs_used;
10096 (free_loop_data): Do not free aux fields for loops.
10097 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10098 and tree_ssa_iv_optimize_finalize.
10100 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10102 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10104 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10107 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10108 computing the effective result type.
10110 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10112 PR inline-asm/16194
10113 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10114 (tree_overlaps_hard_reg_set): Declare.
10115 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10116 type and signature to match function type expected by walk_tree.
10117 (tree_overlaps_hard_reg_set): New function.
10118 (decl_conflicts_with_clobbers_p): Rename to:
10119 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10120 Use tree_overlaps_hard_reg_set. Changed caller.
10121 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10122 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10123 * cris.c (cris_md_asm_clobbers): Likewise.
10125 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10127 * reload1.c (emit_input_reload_insns): Delete code that tries to
10128 inherit using find_equiv_reg.
10130 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10132 * c-common.h (flag_const_strings): Don't declare.
10133 * c-common.c (flag_const_strings): Remove.
10134 * c.opt (fconst_strings): Remove.
10135 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10136 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10137 (c_common_init_options): Don't set flag_const_strings.
10138 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10140 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10142 * arm.md (tlobits_cbranch): New pattern.
10143 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10144 testing a single bit.
10146 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10149 * tree-ssa-pre.c (create_component_ref_by_pieces):
10150 Handle RETURN_DECL like VAR_DECL.
10152 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10154 PR middle-end/26134
10155 * fold-const.c (fold_indirect_ref_1): Fold
10156 "*(foo *)&complexfoo" to "__real__ complexfoo"
10157 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10159 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10161 * tree-flow-inline.h (var_can_have_subvars):
10162 Volatile variables should not have subvariables.
10164 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10167 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10168 multiplying unsigned values.
10171 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10173 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10175 2006-02-08 Jason Merrill <jason@redhat.com>
10178 * tree.def: Elaborate on difference from MODIFY_EXPR.
10179 * doc/c-tree.texi (INIT_EXPR): Likewise.
10180 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10181 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10182 (gimplify_target_expr): Likewise.
10183 (gimplify_cond_expr): Remove target handling.
10184 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10185 (gimplify_expr): Clobber it here.
10186 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10187 Do return slot optimization if we have an INIT_EXPR.
10190 * tree-inline.c (declare_return_variable): Also clear
10191 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10194 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10196 PR middle-end/22439
10197 * gimplify.c (gimplify_one_sizepos): Fix typo.
10199 2006-02-08 Jeff Law <law@redhat.com>
10201 PR tree-optimization/21417
10202 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10203 across a backedge if the control statement at the end of the
10204 block is data dependent on other statements in the same block.
10205 (record_temporary_equivalences_from_stmts): Remove over-conservative
10206 test for threading across backedges.
10208 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10209 control statement, handle all three special cases in the same
10210 manner as they all have the same desired solution. No longer
10211 special case edge flag updating when the post dominator is
10214 2006-02-08 Roger Sayle <roger@eyesopen.com>
10216 * tree.def (CHAR_TYPE): Remove.
10217 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10218 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10219 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10220 (gen_string_type_die): Delete unreachable function.
10222 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10223 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10224 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10225 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10226 * builtins.c (type_to_class): Likewise.
10227 * fold-const.c (fold_convert, build_range_check,
10228 merge_ranges): Likewise.
10229 * expr.c (count_type_elements): Likewise.
10230 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10231 * stor-layout.c (layout_type): Likewise.
10232 * ipa-type-escape.c (type_to_consider): Likewise.
10233 * gimplify.c (omp_firstprivatize_type_sizes,
10234 gimplify_type_sizes): Likewise.
10235 * explow.c (promote_mode): Likewise.
10236 * tree-sra.c (is_sra_scalar_type): Likewise.
10237 * varasm.c (output_constant): Likewise.
10238 * tree-inline.c (remap_type_1): Likewise.
10239 * convert.c (convert_to_pointer, convert_to_real,
10240 convert_to_integer, convert_to_complex): Likewise.
10242 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10244 * df-scan.c (df_def_record_1): A set destination may
10245 be a parallel regardless of mode.
10247 2006-02-08 Roger Sayle <roger@eyesopen.com>
10250 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10251 * config/mips/_tilib.c: Remove.
10252 * config/fixtfdi.c: New libgcc source file.
10253 * config/fixunstfdi.c: New source file.
10254 * config/floatditf.c: New source file.
10255 * config/floatunditf.c: New souce file.
10256 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10257 files above instead of config/mips/_tilib.c.
10258 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10260 2006-02-08 Jeff Law <law@redhat.com>
10262 PR tree-optimization/26169
10263 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10266 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10268 * df.h (DF_REG_SIZE): Return the length of the initialized
10271 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10273 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10274 __muldf3): Return a correctly signed zero.
10276 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10278 * passes.c (register_one_dump_file): Accept the current properties
10279 instead of pass number. Adjust call to dump_register. Remove
10281 (register_dump_files): Now a wrapper around...
10282 (register_dump_files_1): ... this one. Do not modify the pass
10284 (next_pass_1): Cosmetic fix.
10285 (execute_todo): Keep second parameter only. Use curr_properties
10286 instead of fetching it from the pass structure. Check and set
10288 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10289 instead of fetching it from the pass structure. Fix calls to
10290 execute_todo. Update curr_properties and initialize .vcg RTL dump
10291 after running the pass. Reset last_verified.
10292 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10294 (FIRST_AUTO_NUMBERED_DUMP): New.
10295 (dump_register): Remove "num" parameter, assign it within the
10297 (get_dump_file_name): Modify template for dumps.
10298 * tree-dump.h (dump_register): Adjust prototype.
10299 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10300 (PROP_trees): Add PROP_gimple_lomp.
10301 (TODO_set_props): New.
10302 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10303 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10304 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10306 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10308 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10309 (sparc64-*-linux*): Likewise.
10310 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10311 * config/sparc/t-linux: New file.
10312 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10313 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10314 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10315 -m32 -mlong-double-128.
10317 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10318 * config/alpha/t-linux: New file.
10319 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10321 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10322 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10323 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10324 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10325 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10326 (CPP_ARCH32_SPEC): Remove.
10328 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10330 PR tree-optimization/26145
10331 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10334 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10337 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10338 >= 240000 when generating code for SOM runtime.
10339 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10340 to $$dyncall when generating code for SOM runtime..
10342 2006-02-07 Dirk Mueller <dmueller@suse.com>
10345 * doc/invoke.texi (-Wsequence-point): Update documentation
10346 that -Wsequence-point is implemented for C++ as well.
10348 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10350 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10351 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10352 (LIB_SPEC): Likewise.
10353 * doc/invoke.texi (SPARC options): Document -pthread.
10355 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10357 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10360 2006-02-07 Roger Sayle <roger@eyesopen.com>
10362 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10363 Correct comment describing BOOLEAN_TYPE.
10365 2006-02-07 Dirk Mueller <dmueller@suse.com>
10367 * c.opt: C++ frontend supports -Wdiv-by-zero.
10368 * c-opts.c (c_common_handle_option): Remove dead case.
10370 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10372 * configure.ac (TLS assembler check): Do not enable TLS by
10373 default on SPARC/Solaris before version 10.
10374 * configure: Regenerate.
10376 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10378 * doc/invoke.texi (xl-compat): Document conversion and support
10381 2006-02-07 Jeff Law <law@redhat.com>
10383 * tree-vrp.c (find_conditional_asserts): Update comments.
10384 (simplify_stmt_for_jump_threading): New.
10385 (identify_jump_threads, finalize_jump_threads): New.
10386 (vrp_finalize): Call identify_jump_threads.
10387 (execute_vrp): Call finalize_jump_threads.
10388 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10389 (vrp_element, vrp_data, vrp_element_p): Remove.
10390 (vrp_hash_elt, vrp_variables_stack): Remove.
10391 (vrp_hash, vrp_eq, record_range): Remove.
10392 (simplify_cond_and_lookup_avail_expr): Remove.
10393 (extract_range_from_cond): Remove.
10394 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10395 (simplify_stmt_for_jump_threading): New.
10396 (dom_thread_across_edge): New wrapper.
10397 (tree_ssa_dominator_optimize): No longer initialize or
10398 finalize any of the VRP datastructures. Remove iteration
10399 step and simplify as a result of removal of iteration step.
10400 (pass_dominator): Perform a cfg cleanup after DOM.
10401 (dom_opt_finalize_block): Use the new common routines
10402 for threading jumps. Simplify stack management slightly.
10403 No longer need to unwind VRP state.
10404 (record_equivalences_from_incoming_edge): No longer record
10406 (eliminate_redundant_computations): No longer call
10407 simplify_cond_and_lookup_avail_expr.
10408 * tree-flow.h (potentially_threadable_block): Prototype.
10409 (thread_across_edge): Likewise.
10410 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10411 (tree-ssa-threadedge.o): Add dependencies.
10412 * tree-ssa-threadedge.c: New file.
10413 * passes.c (init_optimization_passes): Merge PHIs before
10414 calling VRP. Run VRP again late in the SSA optimization pipeline.
10416 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10418 * df-core.c (df_set_blocks): Do not dereference function pointers.
10419 (df_finish1): Likewise.
10420 (df_hybrid_search_forward): Likewise.
10421 (df_hybrid_search_backward): Likewise.
10422 (df_iterative_dataflow): Likewise.
10423 (df_analyze_problem): Likewise.
10424 (df_compact_blocks): Likewise.
10425 (df_dump): Likewise.
10426 * df-scan.c (df_rescan_blocks): Likewise.
10427 (df_record_entry_block_defs): Likewise.
10429 * genconditions.c (write_conditions): Guard the definition of
10430 'insn_conditions' with the check on GCC version.
10431 (write_writer): Guard the traversal 'insn_conditions' with
10432 the check on GCC version.
10434 2006-02-07 Richard Guenther <rguenther@suse.de>
10438 2006-01-30 Richard Guenther <rguenther@suse.de>
10440 * gimplify.c (gimplify_target_expr): Handle easy cases
10441 without creating a temporary.
10443 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10445 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10446 use of float in probability computations. Use edge probabilities
10447 in place of statically computed probabilities.
10448 (min_spec_prob): New static variable.
10449 (schedule_insns): Initialize it.
10450 (GET_SRC_PROB): Removed.
10451 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10453 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10456 * config/ia64/unwind-ia64.c: Revert last change.
10457 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10458 (INCOMING_FRAME_SP_OFFSET): Define.
10460 2006-02-06 Roger Sayle <roger@eyesopen.com>
10462 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10464 2006-02-07 Ben Elliston <bje@au.ibm.com>
10466 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10467 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10468 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10469 (ix86_return_in_memory): Handle TDmode.
10470 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10471 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10473 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10475 * reorg.c (dbr_schedule): Use dump_file instead of file.
10477 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10480 * config/ia64/predicates.md (extr_len_operand): New predicate.
10481 * config/ia64/ia64.md (extv): Tighten constraints.
10483 (*tbit_and_2): Ditto.
10484 (*tbit_and_3): Ditto.
10485 (*tbit_or_2): Ditto.
10486 (*tbit_or_3): Ditto.
10487 (*bit_zero): Ditto.
10490 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10493 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10495 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10497 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10498 loop_optimizer_init and loop_optimizer_finalize
10499 * tree-ssa-sink.c (execute_sink_code): Ditto.
10500 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10501 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10502 tree_ssa_loop_done): Ditto.
10503 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10504 * sched-ebb.c: Include output.h.
10505 (schedule_ebbs): Do not use dump argument.
10506 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10507 * loop.c (loop_dump_stream): Removed.
10508 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10510 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10511 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10512 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10513 loop_iterations, strength_reduce, record_biv, record_giv,
10514 final_giv_value, check_final_value, check_ext_dependent_givs,
10515 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10516 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10517 dump_file instead of loop_dump_stream.
10518 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10519 argument dump_file.
10520 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10522 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10523 * haifa-sched.c: Include output.h
10524 (schedule_insns, sched_init): Do not use dump argument.
10525 * mode-switching.c (optimize_mode_switching): Ditto.
10526 * modulo-sched.c (stats_file): Removed.
10527 (print_node_sched_params): Do not call argument dump_file.
10528 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10529 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10531 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10533 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10534 rtl_loop_init, rtl_loop_done): Ditto.
10535 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10536 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10538 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10539 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10540 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10541 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10542 * emit-rtl.c (renumber_insns): Ditto.
10543 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10544 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10545 * regclass.c (regclass): Ditto.
10546 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10547 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10548 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10549 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10551 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10552 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10554 * gcse.c (gcse_file, debug_stderr): Removed.
10555 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10556 rest_of_handle_gcse): Do not use dump argument.
10557 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10558 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10559 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10560 compute_code_hoist_vbeinout, compute_code_hoist_data,
10561 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10562 compute_store_table, build_store_vectors, insert_insn_start_bb,
10563 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10564 store_motion): Use dump_file instead of gcse_file.
10565 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10566 * profile.c (profile_dump_file): Removed.
10567 (branch_prob): Use dump_file instead of profile_dump_file.
10568 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10570 * tree-ssa-copy.c (dump_copy_of): Ditto.
10571 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10572 dump file to life_analysis.
10573 * bt-load.c (branch_target_load_optimize): Ditto.
10574 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10576 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10577 regclass, dbr_schedule): Declaration changed.
10578 * sched-int.h (sched_init): Declaration changed.
10579 * tree-profile.c (tree_profile_dump_file): Removed.
10580 (tree_profile_hooks): Removed profile_dump_file hook.
10581 * rtl-profile (rtl_profile_dump_file): Removed.
10582 (rtl_profile_hooks): emoved profile_dump_file hook.
10583 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10585 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10586 * tree-cfg.c (build_tree_cfg): Ditto.
10587 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10588 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10589 Declaration changed.
10590 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10591 life_analysis and schedule_insns.
10592 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10594 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10596 * config/mips/mips.c (mips_reorg): Ditto.
10597 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10600 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10602 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10603 (s390_mangle_fundamental_type): New.
10604 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10607 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10608 (alpha_mangle_fundamental_type): New.
10609 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10612 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10614 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10616 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10617 (sparc_mangle_fundamental_type): New.
10619 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10621 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10622 (s390x-*-linux*): Likewise.
10623 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10624 * config/s390/t-linux: New file.
10626 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10628 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10629 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10631 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10633 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10634 (ANTIC_SAFE_LOADS): New macro.
10635 (find_or_generate_expression): Add prototype.
10636 (set_contains_value): Allow null set for sake of not always having
10637 to allocate ANTIC_SAFE_LOADS.
10638 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10639 Allow COMPONENT_REF too.
10640 (valid_in_set): Allow COMPONENT_REF.
10641 Check ANTIC_SAFE_LOADS too.
10642 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10643 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10645 (can_PRE_operation): Add COMPONENT_REF.
10646 (create_component_ref_by_pieces): New function.
10647 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10648 (insert_aux): Move AGGREGATE_TYPE_P check here.
10649 (compute_avail): Set bb local stmt uids.
10650 (pass_pre): Use TODO_update_ssa_only_virtuals.
10652 2006-02-06 Ben Elliston <bje@au.ibm.com>
10654 * configure.ac: Unconditionally disable decimal float by default.
10655 * configure: Regenerate.
10657 2006-02-06 Ben Elliston <bje@au.ibm.com>
10659 * read-rtl.c (read_name): Terminate reading on EOF.
10661 2006-02-06 Ben Elliston <bje@au.ibm.com>
10663 * dfp.c (decimal_real_arithmetic): Change second argument type
10664 from int to enum tree_code. Do not always return true, but now
10665 return result of any call to decimal_do helper functions.
10666 * dfp.h (decimal_real_arithmetic): Update prototype.
10668 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10670 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10672 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10675 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10678 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10680 * tree-vrp.c (cfg_loops): Removed.
10681 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10682 Use current_loops instead of cfg_loops. Pass flags to
10683 loop_optimizer_init.
10684 * cfgloopmanip.c (fix_loop_structure): Update only available
10686 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10687 loop_optimizer_init.
10688 * modulo-sched.c (build_loops_structure): Removed.
10689 (sms_schedule): Use loop_optimizer_init.
10690 * loop-init.c (loop_optimizer_init): Use flags to determine
10691 which properties of loops to prepare.
10692 (rtl_loop_init): Pass flags to loop_optimizer_init.
10693 * tree-ssa-sink.c (execute_sink_code): Ditto.
10694 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10695 * tree-ssa-pre.c (init_pre): Ditto.
10696 * cfgloop.h (LOOPS_NORMAL): New.
10697 (loop_optimizer_init): Declaration changed.
10699 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10701 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10702 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10704 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10706 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10708 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10709 * pa/t-pa64: Delete quadlib.c rule.
10710 * pa/x-ada: Revert last change.
10711 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10713 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10715 PR rtl-optimization/26087
10716 * rtlanal.c (canonicalize_condition): Do not cross basic block
10719 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10722 * config/ia64/ia64.c: Include debug.h.
10723 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10724 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10725 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10726 (process_epilogue, process_set, process_for_unwind_directive):
10727 Output unwind info only if requested. Add CFA info if requested.
10728 Add new arguments as needed. Adjust callers.
10729 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10731 (DWARF2_FRAME_INFO): Define to zero.
10732 * config/ia64/unwind-ia64.c: Remove code that compensated for
10733 the CFA offset error fixed above.
10734 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10735 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10736 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10737 -funwind-tables and -fexceptions to enable frame info.
10738 (dwarf2out_frame_init): Define initial CFA even if
10739 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10740 DWARF2_UNWIND_INFO is nonzero, not just defined.
10741 (dwarf2out_frame_finish): Output non-EH call frame info only
10742 if DWARF2_FRAME_INFO is nonzero.
10743 (convert_cfa_to_loc_list,
10744 compute_frame_pointer_to_cfa_displacement): Define even if
10745 unwind info is not supported.
10746 (gen_subprogram_die): Use the above unconditionally. Remove
10747 legacy alternate code.
10748 * toplev.c (compile_file): Compile in call to
10749 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10750 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10752 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10753 Jakub Jelinek <jakub@redhat.com>
10755 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10756 IBM extended float format long double as "g" on powerpc*-linux.
10758 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10761 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10762 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10764 2006-02-03 Jason Merrill <jason@redhat.com>
10767 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10769 PR middle-end/25977
10770 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10771 on the return slot if it's an NRV.
10773 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10775 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10776 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10777 rewrite_use): Do not handle USE_OUTER.
10778 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10779 add_iv_outer_candidates, may_replace_final_value,
10780 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10781 (find_interesting_uses_op): Functionality of
10782 find_interesting_uses_outer_or_nonlin moved here.
10783 (find_interesting_uses_outside): Use find_interesting_uses_op.
10785 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10788 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10790 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10791 Ulrich Weigand <uweigand@de.ibm.com>
10794 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10795 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10796 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10797 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10799 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10800 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10801 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10802 Define secondary reloads for TFmode moves.
10803 (constant_modes): Add TFmode.
10804 (NR_C_MODES): Set to 8.
10805 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10807 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10808 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10809 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10810 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10811 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10812 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10813 (FPR mode macro): Add TFmode.
10814 (DSF mode macro): New.
10815 (<de>, <dee> mode attributes): Removed.
10816 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10817 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10818 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10819 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10820 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10821 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10822 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10823 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10824 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10825 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10826 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10827 "*negabs<mode>2", "sqrt<mode>2"):
10828 Changed <de> to <xde>. R constraint replaced by <Rf>.
10829 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10831 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10832 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10833 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10835 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10836 "extenddftf2", "extendsftf2"): New expanders.
10837 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10838 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10839 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10840 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10842 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10843 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10844 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10845 __floatditf): Add a GCC_4.1.0 symbol version tag.
10846 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10849 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10852 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10853 Use targetm.binds_local_p instead of TREE_PUBLIC.
10855 2006-02-02 Roger Sayle <roger@eyesopen.com>
10857 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10858 on INTEGER_TYPEs to indicate that it denotes a character type.
10859 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10860 signed_char_type_node, unsigned_char_type_node and char_type_node.
10861 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10862 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10863 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10865 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10866 Daniel Berlin <dberlin@dberlin.org>
10868 * tree-tailcall.c (arg_needs_copy_p): New function.
10869 (eliminate_tail_call): Use arg_needs_copy_p.
10870 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10871 (add_virtual_phis): New function.
10873 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10875 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10876 #ignore instead of #scratch for %g7 .register directive.
10878 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10880 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10883 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10885 * flow.c (calculate_global_regs_live): Assert that there aren't any
10888 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10890 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10891 what its name says.
10892 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10893 bsi_after_labels iterator.
10894 * tree-if-conv.c (find_phi_replacement_condition,
10895 replace_phi_with_cond_modify_expr): Likewise.
10896 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10897 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10899 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10901 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10903 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10906 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10907 array after growing it.
10909 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10911 PR middle-end/24901
10912 * fold-const.c (fold_checksum_tree): Change type of buf.
10914 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10916 * reload.c (push_secondary_reload): Initialize t_icode.
10918 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10920 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10921 -msoft-float -mlong-double-128 only issue a warning, but don't
10922 swich to DFmode long double.
10924 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10926 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10927 has a constant equivalent, iterate over equivalents for arg0,
10928 calling simplify_relational_operation and if there's a result
10929 cheaper than X, apply fold_rtx and return the result.
10931 2006-02-01 Jan Hubicka <jh@suse.cz>
10933 * opts.c (no_unit_at_a_time_default): New global variable.
10934 (decode_options): Use it.
10935 * opts.h (no_unit_at_a_time_default): Declare.
10937 2006-02-01 Paul Brook <paul@codesourcery.com>
10939 * function.c (assign_parm_setup_reg): Use function argument promotion
10941 * expr.c (expand_expr_real_1): Use function argument promotion rules
10944 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10946 * gcc.c (process_command): Change j to 'unsigned int'.
10948 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10950 PR middle-end/26001
10951 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10952 Use the corrected index for the character
10953 out of the string constant.
10955 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10957 * mode-switching.c (optimize_mode_switching): Fix size
10958 allocated for bb_info[n_entities].
10960 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10962 * gcc.c (main): Correct type that is allocated for
10963 explicit_link_files.
10965 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10967 * config/s390/s390.c (init_alignment_context): Set
10968 ALIAS_SET_MEMORY_BARRIER on the MEM.
10969 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10971 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10973 PR middle-end/25933
10974 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10976 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10979 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10981 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10982 * regrename.c: Ditto.
10983 * tree-ssa-loop-im.c: Ditto.
10984 * tree-dump.c: Ditto.
10985 * tree-complex.c: Ditto.
10986 * genrecog.c: Ditto.
10987 * tree-ssa-threadupdate.c: Ditto.
10989 * java/class.c: Ditto.
10990 * java/jcf-parse.c: Ditto.
10991 * java/resource.c: Ditto.
10992 * java/except.c: Ditto.
10993 * java/jvspec.c: Ditto.
10994 * java/jcf-write.c: Ditto.
10995 * java/jcf-path.c: Ditto.
10996 * java/gjavah.c: Ditto.
10997 * java/zextract.c: Ditto.
10998 * java/jcf-io.c: Ditto.
10999 * java/jcf.h: Ditto.
11000 * java/buffer.c: Ditto.
11001 * java/lang.c: Ditto.
11002 * java/parse-scan.y: Ditto.
11003 * java/lex.c: Ditto.
11004 * java/lex.h: Ditto.
11005 * cfgloopmanip.c: Ditto.
11006 * postreload-gcse.c: Ditto.
11007 * tree-ssa-loop-manip.c: Ditto.
11008 * postreload.c: Ditto.
11009 * tree-ssa-loop-ch.c: Ditto.
11012 * cppspec.c: Ditto.
11013 * diagnostic.c: Ditto.
11015 * genoutput.c: Ditto.
11017 * cfghooks.c: Ditto.
11018 * cfgloopanal.c: Ditto.
11019 * objc/objc-act.c: Ditto.
11021 * genextract.c: Ditto.
11022 * genautomata.c: Ditto.
11023 * pretty-print.c: Ditto.
11024 * genemit.c: Ditto.
11025 * cgraphunit.c: Ditto.
11027 * df-scan.c: Ditto.
11028 * haifa-sched.c: Ditto.
11029 * dominance.c: Ditto.
11031 * tree-ssa-loop-ivopts.c: Ditto.
11032 * df-core.c: Ditto.
11033 * mode-switching.c: Ditto.
11034 * modulo-sched.c: Ditto.
11036 * ipa-pure-const.c: Ditto.
11038 * fix-header.c: Ditto.
11040 * tree-stdarg.c: Ditto.
11041 * ipa-utils.c: Ditto.
11042 * loop-init.c: Ditto.
11043 * ipa-inline.c: Ditto.
11044 * cfganal.c: Ditto.
11046 * alloc-pool.c: Ditto.
11047 * dwarf2out.c: Ditto.
11049 * genattrtab.c: Ditto.
11050 * tree-ssa-loop-ivcanon.c: Ditto.
11051 * predict.c: Ditto.
11052 * timevar.c: Ditto.
11054 * fortran/gfortranspec.c: Ditto.
11055 * regmove.c: Ditto.
11056 * local-alloc.c: Ditto.
11057 * langhooks.c: Ditto.
11058 * function.c: Ditto.
11059 * tree-vectorizer.c: Ditto.
11061 * ipa-type-escape.c: Ditto.
11063 * tree-if-conv.c: Ditto.
11064 * profile.c: Ditto.
11066 * tree-data-ref.c: Ditto.
11067 * loop-unroll.c: Ditto.
11068 * treelang/treetree.c: Ditto.
11070 * bt-load.c: Ditto.
11071 * ggc-common.c: Ditto.
11073 * coverage.c: Ditto.
11075 * tree-cfgcleanup.c: Ditto.
11076 * tree-ssa-pre.c: Ditto.
11077 * cfgcleanup.c: Ditto.
11078 * loop-invariant.c: Ditto.
11079 * loop-iv.c: Ditto.
11080 * ipa-prop.c: Ditto.
11081 * print-tree.c: Ditto.
11082 * conflict.c: Ditto.
11083 * ggc-page.c: Ditto.
11084 * sched-deps.c: Ditto.
11085 * regclass.c: Ditto.
11086 * tree-object-size.c: Ditto.
11087 * combine.c: Ditto.
11088 * bb-reorder.c: Ditto.
11089 * resource.c: Ditto.
11090 * var-tracking.c: Ditto.
11091 * cfgloop.c: Ditto.
11092 * df-problems.c: Ditto.
11093 * reg-stack.c: Ditto.
11095 * gccspec.c: Ditto.
11096 * sched-rgn.c: Ditto.
11097 * tree-ssa-structalias.c: Ditto.
11098 * tree-ssa-reassoc.c: Ditto.
11099 * config/darwin-c.c: Ditto.
11100 * config/darwin.c: Ditto.
11101 * config/arm/arm.c: Ditto.
11103 * collect2.c: Ditto.
11104 * reload1.c: Ditto.
11106 2006-01-31 Nicolas Pitre <nico@cam.org>
11108 * arm.md (smaxsi3): Make aware of smax_m1.
11111 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11113 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11115 2006-01-31 Richard Guenther <rguenther@suse.de>
11117 * doc/invoke.texi (-msselibm): Document.
11118 * target.h (expand_library_builtin): New target hook.
11119 * builtins.c (expand_builtin): Use expand_library_builtin.
11120 (default_expand_library_builtin): New function.
11121 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11122 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11123 (link_gcc_math_spec): Declare.
11124 (static_specs): Add link_gcc_math_spec.
11125 * expr.h (default_expand_library_builtin): Declare.
11126 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11127 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11128 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11129 * config/i386/i386.opt (msselibm): New target option.
11130 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11131 (ix86_init_sse_abi_builtins): New function.
11132 (ix86_expand_library_builtin): Likewise.
11133 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11134 (override_options): Handle error conditions wrt -msselibm.
11135 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11136 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11137 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11140 2006-01-31 Richard Guenther <rguenther@suse.de>
11141 Paolo Bonzini <bonzini@gnu.org>
11143 * doc/install.texi (--disable-libgcc-math): Document.
11145 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11147 * expr.h (expand_normal): new inline function.
11148 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11149 * dojump.c: use it.
11150 * dwarf2out.c: use it.
11153 * expmed.c: use it.
11154 * except.c: use it.
11155 * config/sparc/sparc.c: use it.
11156 * config/i386/i386.c: use it.
11157 * config/rs6000/rs6000.c: use it.
11158 * config/arm/arm.c: use it.
11159 * config/mips/mips.c: use it.
11160 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11162 2006-01-30 Roger Sayle <roger@eyesopen.com>
11164 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11165 argv to the appropriate type.
11167 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11169 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11172 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11175 * config/s390/s390.c (struct machine_function): New flag
11176 decomposed_literal_pool_addresses_ok_p.
11177 (s390_reorg): Set it before final stage of literal pool transforms.
11178 (s390_decompose_address): Only accept displacements of the form
11179 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11181 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11183 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11184 the comparison routine return.
11186 2006-01-30 Michael Matz <matz@suse.de>
11188 * global.c (find_reg): Only evict for global regs.
11189 Take n_refs into account and dump more info.
11191 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11194 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11195 (pragma_trap, pragma_nosave_low_regs): Likewise.
11196 (current_function_anonymous_args): Likewise.
11197 (sh_deferred_function_attributes): New variable.
11198 (sh_deferred_function_attributes_tail): Likewise.
11199 (print_operand): For '@', look up trap_exit attribute.
11200 (calc_live_regs): Look up trapa_handler attribute. For trapa
11201 handlers, save/restore fpscr, but don't do any other
11202 interrupt-specific saves.
11203 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11204 Fix check for partially saved registers to check for SHmedia.
11205 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11206 (sh_output_function_epilogue): Don't clear any of the removed
11208 (sh_insert_attributes): Don't check pragma_interrupt.
11209 Insert deferred attributes. Check that interrupt attribute is
11210 present for other attributes that require its presence.
11211 (sh_attribute_table): Add new attributes trapa_handler and
11213 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11214 Don't check for pragma_interrupt. Don't store argument.
11215 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11216 (sh_deferred_function_attributes): Declare.
11217 (sh_deferred_function_attributes_tail): Likewise.
11218 * sh.md (sp_switch_1): Add operand. Change generator caller.
11219 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11220 (*return_i): Don't use when trap_exit attribute is in effect.
11221 (*return_trapa): New insn pattern.
11222 * sh-c.c: New file.
11223 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11224 setting c_target_objs and cxx_target_objs.
11225 * t-sh: Add rule for sh-c.o.
11227 2006-01-30 Richard Guenther <rguenther@suse.de>
11230 * gimplify.c (gimplify_target_expr): Handle easy cases
11231 without creating a temporary.
11233 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11235 * vec.h (safe_grow): Remove duplicated line.
11237 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11240 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11241 (expand_omp): ... here.
11242 (expand_omp_parallel): Only remove barriers for combined
11243 parallel+workshare constructs.
11245 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11249 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11250 * tree.c (build_qualified_type): Chain the new type to the original
11251 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11252 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11253 (build_pointer_type_for_mode): Only return unqualified types.
11254 (build_reference_type_for_mode): Likewise.
11256 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11258 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11259 * Makefile.in (CXX_COMPAT_WARN): Define.
11260 * configure: Regenerate.
11262 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11265 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11268 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11270 * toplev.c: Fix thinko.
11272 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11273 Marcin Dalecki <martin@dalecki.de>
11275 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11276 (push_srcloc): Use XNEW.
11277 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11279 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11281 * df-core.c (df_set_blocks): Deleted all variable.
11283 2006-01-28 Ian Lance Taylor <ian@airs.com>
11285 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11286 cgraph_output_pending_asms.
11288 2006-01-28 Zack Weinberg <zackw@panix.com>
11290 * c.opt: Add -W(no-)overlength-strings.
11291 * doc/invoke.texi: Document it.
11292 * c-opts.c (c_common_handle_option): -pedantic implies
11293 -Woverlength-strings, if not explicitly disabled already.
11294 (c_common_post_options): -Woverlength-strings defaults to off, and
11295 is always off for C++.
11296 * c-common.c (fix_string_type): Issue warning about strings longer
11297 than is portable only if warn_overlength_strings. Rearrange code
11298 a little for clarity.
11299 * configure.in: Check for -Wno-overlength-strings as well before
11300 enabling -pedantic in stage 1.
11301 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11302 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11304 * genconditions.c (write_header, write_one_condition)
11305 (write_conditions, write_writer): Consolidate very long strings
11306 that were broken up to fit in C89 portable limit. Don't use
11307 printf when fputs will do.
11309 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11311 * combine.c (simplify_comparison <AND>): Check
11312 TRULY_NOOP_TRUNCATION before start using a subreg.
11314 * config/mips/mips.md (*branch_zero<mode>,
11315 *branch_zero<mode>_inverted, *branch_equality<mode>,
11316 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11317 Remove mode check from comparisons.
11319 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11321 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11323 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11325 * expmed.c (const_mult_add_overflow_p): Remove.
11326 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11328 * recog.c (validate_replace_rtx_subexp): Remove.
11329 * recog.h: Remove the prototype for
11330 validate_replace_rtx_subexp.
11332 * integrate.h: Remove the prototype for
11333 copy_decl_for_inlining.
11334 * rtl.h: Remove the prototype for mark_constant_function.
11335 * tree-vectorizer.h: Remove the prototype for
11336 vect_strip_conversion.
11338 * modulo-sched.c (create_partial_schedule,
11339 free_partial_schedule, reset_partial_schedule): Make them
11342 * hooks.c (hook_bool_rtx_int_false): Remove.
11343 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11345 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11347 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11348 and -mlong-double-128 are incompatible.
11349 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11350 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11351 (TARGET_LIBGCC2_CFLAGS): Define.
11352 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11353 (TARGET_LIBGCC2_CFLAGS): Same.
11354 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11356 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11359 * c-typeck.c (build_binary_op): Perform implicit casts of
11360 operands before shortening them.
11362 * cfgloopmanip.c (split_loop_bb): Remove.
11363 * cfgloop.h: Remove the prototype for split_loop_bb.
11365 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11366 * cfgloop.h: Remove the prototype for
11367 flow_loop_outside_edge_p.
11369 * emit-rtl.c (init_virtual_regs): Make it static.
11370 * function.h: Remove the prototype for init_virtual_regs.
11372 * recog.c (peephole2_optimize): Make it static.
11373 * recog.h: Remove the prototype for peephole2_optimize.
11375 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11377 * df-scan.c (df_record_entry_block_defs): Check if
11378 INCOMING_RETURN_ADDR_RTX is defined.
11380 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11381 Kenneth Zadeck <zadeck@naturalbridge.com>
11383 PR rtl-optimization/24762
11384 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11385 * targhooks.c (hook_void_bitmap): New hook prototype.
11386 * targhoohs.h (hook_void_bitmap): Ditto.
11387 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11388 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11389 * target.h (live_on_entry): New function pointer.
11390 * df-scan.c (df_all_hard_regs): Removed.
11391 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11392 (df_scan_free_internal): Added df->entry_block_defs.
11393 (df_scan_alloc): Ditto.
11394 (df_scan_dump): Ditto.
11395 (df_uses_record): Plumbed flag field properly thru calls.
11396 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11397 This part fixes PR24762.
11398 (df_bb_refs_record): Added code to make the frame and arg
11399 pointers live in EH blocks.
11400 (df_refs_record): Added call to df_record_entry_block_defs.
11401 (df_record_entry_block_defs): New function.
11402 * df-core.c: Added comments to describe new artifical defs.
11403 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11404 (entry_block_defs): New field in struct df.
11405 (df_all_hard_regs): Deleted.
11406 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11407 * df-problems.c (df_ru_bb_local_compute_process_def):
11408 Added code to handle artifical defs in the entry to a function.
11409 (df_ru_bb_local_compute): Ditto.
11410 (df_rd_bb_local_compute_process_def): Ditto.
11411 (df_rd_bb_local_compute): Ditto.
11412 (df_lr_bb_local_compute): Ditto.
11413 (df_ur_bb_local_compute): Ditto.
11414 (df_urec_bb_local_compute): Ditto.
11415 (df_chain_create_bb): Ditto.
11416 (df_ur_local_finalize): Removed entry.
11417 (df_urec_init): Ditto.
11418 (df_urec_local_finalize): Ditto.
11419 (df_ri_bb_compute): Added detection of last use of pseudos.
11420 * Makefile.in (df-scan.o): Updated dependencies.
11421 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11422 * config/mips/mips.c (mips_set_live_on_entry): Added.
11423 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11425 * dce.c (marked_insn_p): Added code to handle artifical defs.
11427 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11429 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11431 (_mm_cvtsi128_si64): Likewise.
11432 (_mm_cvtsd_si64): Likewise.
11433 (_mm_cvttsd_si64): Likewise.
11434 (_mm_cvtsi64_sd): Likewise.
11435 (_mm_cvtsi64_si128): Likewise.
11436 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11437 (_mm_cvtsi64_m64): Likewise.
11438 (_m_to_int64): Likewise.
11439 (_mm_cvtm64_si64): Likewise.
11440 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11441 (_mm_cvttss_si64): Likewise.
11442 (_mm_cvtsi64_ss): Likewise.
11443 (_mm_cvtss_f32): Likewise.
11445 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11447 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11448 for pragma redefine_extname.
11450 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11453 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11454 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11455 -mno-minimal-toc to previous content.
11456 (bispecs): Remove goal.
11457 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11458 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11459 compatibility aliases on powerpc-*-*gnu*.
11460 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11461 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11462 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11463 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11464 (ldblspecs): New goal.
11465 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11466 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11468 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11469 L_sf_to_tf or L_df_to_tf is defined.
11471 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11472 Alan Modra <amodra@bigpond.net.au>
11475 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11476 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11477 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11478 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11479 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11480 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11481 (rs6000_override_options): Initialize rs6000_ieeequad.
11482 Initialize TFmode format to ibm_extended_format if not
11484 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11486 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11487 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11488 (function_arg_advance): IBM long double passed in two FPRs, not
11490 (function_arg): IBM long double passed in FPRs.
11491 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11492 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11493 Only multireg GPR aligned.
11494 (rs6000_init_libfuncs): Enable IBM long double functions if not
11496 (rs6000_generate_compare): Use IBM long double compare if not
11498 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11499 (TARGET_IEEEQUAD): Define.
11500 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11501 not TARGET_IEEEQUAD.
11502 * config/rs6000/rs6000.md: Enable TFmode patterns if
11504 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11505 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11506 and -mlong-double-128 are incompatible.
11507 * doc/invoke.texi (-mabi): Collect options together. Add
11508 ibmlongdouble and ieeelongdouble.
11510 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11512 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11514 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11515 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11516 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11517 * rtl.h (rtunion_def): Remove rt_ptr.
11519 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11520 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11521 * config/i386/winnt.c (i386_pe_mark_dllexport)
11522 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11524 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11526 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11528 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11532 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11533 pthread_key_delete. From John David Anglin. gthrw-ify
11534 pthread_getunique_np only if it it's not a macro. Delete
11536 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11537 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11538 __gthread_objc_condition_signal, __gthread_key_delete): Add
11539 "__attribute__ ((__unused__))" to unused arguments.
11540 (__gthread_recursive_mutex_init_function): Add missing return.
11541 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11542 gthr-posix95.h: Use macro-based approach for name redirection
11543 on targets missing weakref.
11545 2006-01-26 Zack Weinberg <zackw@panix.com>
11547 * genconditions.c (write_header): In generated code, #ifdef out
11548 all includes and fake declarations, except includes of bconfig.h
11549 and system.h, unless GCC_VERSION >= 3001. Do not include
11550 gensupport.h in any case.
11551 (write_conditions): Generate a definition of struct c_test. Add
11552 a comment to the generated #endif.
11553 (write_one_condition): Escape backslashes in string too.
11554 (write_writer): Generated code must escape backslashes and quote
11555 marks (but not newlines) in the strings it writes.
11556 * Makefile.in (build/gencondmd.o): Update dependencies.
11558 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11561 * Makefile.in (insn-automata.o): Add header file dependencies.
11562 * genautomata.c: Add includes.
11564 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11567 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11569 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11571 * configure.ac: Expect target tools paths to be passed from the toplevel
11572 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11574 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11576 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11579 * c.opt (Wpointer-sign): Init to -1.
11580 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11581 OPT_pedantic, to 0 otherwise.
11582 * doc/invoke.texi: Update.
11584 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11586 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11587 constants provided by 80387 instructions in the destination mode.
11589 2006-01-26 Richard Guenther <rguenther@suse.de>
11590 Andrew Pinski <pinskia@physics.uc.edu>
11593 partial PR tree-opt/17064
11594 * tree-ssa-structalias.c (intra_create_variable_infos):
11595 Create heap variables for incoming parameters if
11596 flag_argument_noalias > 1.
11597 (find_what_p_points_to): Look through default defs of
11600 2006-01-26 Jeff Law <law@redhat.com>
11603 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11604 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11605 within the VR_RANGE, use the VR_RANGE as the result, not the
11607 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11608 bounds for the type.
11610 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11612 * tree-ssa-alias.c (maybe_create_global_var): Change
11613 subvar walking to an assertion that we don't have subvar'd variables.
11615 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11618 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11619 Use a new variable, inner. PARM_DECLs are always non-weak.
11621 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11623 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11624 --disable-checking.
11626 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11628 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11630 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11632 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11633 (smax_insn, smin_insn, smax_0, smin_0): New.
11635 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11638 * config/cris/cris.c (cris_order_for_addsi3): New function.
11639 * config/cris/cris-protos.h: Prototype it.
11640 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11641 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11642 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11643 (split for "op.S1 [rx=rx+i],ry (swapped)")
11644 (split for "op(s|u).S1 [rx=rx+i],ry")
11645 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11646 Apply cris_order_for_addsi3 when generating addsi3 insns.
11648 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11650 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11651 (TREE_BLOCK): Add call to EXPR_CHECK.
11653 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11656 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11657 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11658 (dump_omp_clauses): ... here.
11659 (dump_generic_node): Handle OMP_CLAUSE.
11660 * tree.c (omp_clause_num_ops): New.
11661 (omp_clause_code_name): New.
11662 (tree_code_size): Handle OMP_CLAUSE.
11663 (tree_size): Likewise.
11664 (make_node): Document handling of OMP_CLAUSE.
11665 (tree_node_structure): Handle OMP_CLAUSE.
11666 (omp_clause_check_failed): New.
11667 (omp_clause_range_check_failed): New.
11668 (omp_clause_operand_check_failed): New.
11669 (build_omp_clause): New.
11670 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11671 * tree.h (enum omp_clause_code): Declare.
11672 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11673 (OMP_CLAUSE_RANGE_CHECK): Define.
11674 (OMP_CLAUSE_ELT_CHECK): Define.
11675 (omp_clause_check_failed): Declare.
11676 (omp_clause_operand_check_failed): Declare.
11677 (omp_clause_range_check_failed): Declare.
11678 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11679 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11680 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11681 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11682 (OMP_CLAUSE_IF_EXPR): Likewise.
11683 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11684 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11685 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11686 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11687 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11688 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11689 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11690 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11691 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11692 (OMP_CLAUSE_CODE): Define.
11693 (OMP_CLAUSE_SET_CODE): Define.
11694 (OMP_CLAUSE_CODE): Define.
11695 (OMP_CLAUSE_OPERAND): Define.
11696 (struct tree_omp_clause): Declare.
11697 (union tree_node): Add field 'omp_clause'.
11698 * treestruct.def (TS_OMP_CLAUSE): Define.
11699 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11700 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11701 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11702 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11703 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11704 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11705 (OMP_CLAUSE): Define.
11706 * print-tree.c (print_node): Handle OMP_CLAUSE.
11707 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11708 * c-typeck.c: Likewise.
11709 * gimplify.c: Likewise.
11710 * c-omp.c: Likewise.
11711 * tree-nested.c: Likewise.
11712 * tree-inline.c: Likewise.
11713 * c-parser.c: Likewise.
11714 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11717 2006-01-25 Roger Sayle <roger@eyesopen.com>
11719 PR rtl-optimization/25703
11720 * combine.c (try_combine): Handle zero_extract and strict_low_part
11721 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11723 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11725 * global.c: Fix comment typos.
11727 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11730 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11731 Use output_addr_const instead of assemble_name.
11733 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11735 * Makefile.in (sched-vis.o): Update dependencies.
11736 * haifa-sched.c (sched_finish): Clear current_sched_info.
11737 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11738 (dump_flow_info): Call it.
11739 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11741 * basic-block.h (dump_bb_info): Declare.
11742 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11743 option, and apply options only for dump files whose TDF_RTL,
11744 TDF_TREE, or TDF_IPA bits match.
11745 * rtl.h: Declare new functions exported from sched-vis.c.
11746 * sched-vis.c: Enable also if scheduling is not used.
11747 (print_value): Print the mode of registers if not inside scheduling.
11748 (print_insn): Make it work outside the scheduler. Beautify the output
11750 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11752 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11754 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11755 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11756 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11757 depending on the value of CONSTANT_POOL_ADDRESS_P.
11758 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11760 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11761 rather than SYMBOL_REF_DECL.
11762 (rtx_constant_pool): Remove const_rtx_sym_htab.
11763 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11764 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11765 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11766 Remove handling of const_rtx_sym_htab.
11767 (find_pool_constant): Delete.
11768 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11769 rather than find_pool_constant.
11770 (get_pool_constant_for_function): Delete.
11771 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11772 find_pool_constant.
11773 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11774 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11775 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11776 (SYMBOL_REF_CONSTANT): New macro.
11777 (get_pool_constant_for_function): Delete.
11778 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11779 rather than SYMBOL_REF_DECL.
11780 (i386_pe_mark_dllimport): Likewise.
11781 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11782 rather than SYMBOL_REF_DECL.
11783 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11784 (machopic_indirect_call_target): Likewise.
11786 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11788 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11790 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11792 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11794 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11796 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11798 2006-01-24 David Daney <ddaney@avtrex.com>
11801 * configure.ac (enable_tls): New enable option.
11802 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11803 * configure: Regenerate.
11804 * doc/install.texi (--enable-tls): Document new option.
11805 (--disable-tls): Ditto.
11807 2006-01-24 Richard Henderson <rth@redehat.com>
11809 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11810 * alias.c (true_dependence): Respect it.
11811 (canon_true_dependence, write_dependence_p): Likewise.
11812 * builtins.c (get_builtin_sync_mem): Set it.
11814 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11816 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11819 2006-01-24 DJ Delorie <dj@redhat.com>
11821 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11822 for storing constants in single-bit bitfields.
11824 2006-01-25 Ben Elliston <bje@au.ibm.com>
11826 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11828 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11831 * tree-ssa-pre.c (phi_translate): Return NULL
11832 for AGGREGATE_TYPE's.
11834 2006-01-24 Zack Weinberg <zackw@panix.com>
11836 * genautomata.c (process_state_for_insn_equiv_partition):
11837 Use xcalloc for insn_arcs_array.
11838 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11839 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11841 2006-01-24 Richard Henderson <rth@redhat.com>
11843 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11844 update all callers.
11846 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11848 PR rtl-optimization/25890
11849 PR rtl-optimization/25905
11850 * combine.c (expand_compound_operation, expand_field_assignment):
11851 Fail if the bitfield's final position is out of bounds.
11853 2006-01-24 Ian Lance Taylor <ian@airs.com>
11855 PR middle-end/25930
11856 * cgraphunit.c (cgraph_output_in_order): Don't clear
11857 cgraph_asm_nodes until after asm strings have been output.
11859 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11861 * fix-header.c (read_scan_file): Add new parameter imultilib when
11862 calling register_include_chains.
11864 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11866 * omp-low.c: Update documentation.
11868 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11869 Daniel Berlin <dberlin@dberlin.org>
11873 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11874 return from the function.
11876 2006-01-22 Zack Weinberg <zackw@panix.com>
11878 * rtl.def (match_code): Add second argument.
11879 * genpreds.c (write_extract_subexp): New function.
11880 (write_match_code): Add path argument. Use write_extract_subexp.
11881 (write_predicate_expr): Pass path to write_match_code.
11882 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11883 not perform a mode test.
11884 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11885 a subexpression does not constrain the top-level code set.
11886 * read-rtl.c (read_rtx_variadic): New function.
11887 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11888 * doc/md.texi: Document new notation.
11889 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11890 (cmpsi_operand): ... here, using new notation.
11892 2006-01-22 Zack Weinberg <zackw@panix.com>
11894 * varray.c: Remove GENERATOR_FILE #ifdefs.
11896 2006-01-22 Zack Weinberg <zackw@panix.com>
11898 * genautomata.c (output_reserved_units_table): Emit nothing if
11899 description->query_units_num is zero. Remove extra blank line.
11900 (output_cpu_unit_reservation_p): Short circuit
11901 if description->query_units_num is zero.
11903 2006-01-22 Zack Weinberg <zackw@panix.com>
11905 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11906 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11907 nor any of the random handful of variables that used to be necessary
11908 when this program was linked with rtlanal.o. Prune set of forward
11909 function declarations.
11910 (struct attr_desc): Remove static_p field.
11911 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11912 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11913 (attr_string): Do not read the character one past the length of
11915 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11916 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11917 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11918 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11919 (make_automaton_attrs): New.
11920 (main): Do not call into genautomata. Call local gen_bypass
11921 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11922 Remove special case for insn_alts.
11923 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11924 varray.h (leftover from previous change). Prune set of forward
11925 function declarations. Remove state_alts fields from all
11926 structures. Remove state_alts_table from struct automaton.
11927 Make everything except main static. Do not maintain num_dfa_decls.
11928 Do not maintain state_alts fields of various structures.
11929 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11930 (add_arc): Remove state_alts argument. All callers updated.
11931 (output_reserved_units_table): Emit #ifdef here...
11932 (output_tables): ...not here. Don't generate state_alts tables.
11933 (expand_automata): Don't generate attributes.
11934 (write_automata): Don't generate state_alts functions.
11935 (main): New function.
11936 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11937 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11938 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11939 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11940 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11941 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11942 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11943 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11945 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11946 * genattrtab.h: Delete file.
11947 * Makefile.in (OBJS-common): Add insn-automata.o.
11948 (insn-automata.o): New rule.
11949 (simple_generated_c): Add insn-automata.c.
11950 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11951 (genprogmd): Add automata.
11952 (build/genattrtab): Needs no extra objects nor libraries.
11953 (build/genautomata): Needs build/vec.o and -lm.
11955 2006-01-22 Zack Weinberg <zackw@panix.com>
11957 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11958 (output_dfa_max_issue_rate, locked_states_num): Delete.
11959 (struct automaton): Add locked_states field.
11960 (output_dead_lock_vect): Save number of locked states in
11961 automaton->locked_states. If it is zero, don't print anything.
11962 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11963 (output_internal_dead_lock_func): Only test the dead_lock_vect
11964 for automata that have locked states.
11965 (output_statistics): Always print the number of locked states for
11966 each automaton. Calculate total number of locked states here.
11967 (write_automata): Don't call output_dfa_max_issue_rate.
11968 * genattrtab.c: Define length_unit_log as a const variable.
11969 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11970 max_insn_queue_index const.
11971 * final.c (length_unit_log): Declare const.
11972 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11974 2006-01-22 Zack Weinberg <zackw@panix.com>
11976 * genautomata.c: Include vec.h, not varray.h.
11977 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11978 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11979 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11980 VEC_* macros operating on appropriately typed vectors, or to
11981 malloced arrays when the size is known in advance. Const-ify
11982 many char* variables and function arguments. No functional changes.
11983 * Makefile.in (build/varray.o): Delete rule.
11984 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11985 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11987 2006-01-22 Zack Weinberg <zackw@panix.com>
11989 * gensupport.c: Define get_insn_name and record_insn_name here.
11990 (read_md_rtx): Call record_insn_name as appropriate.
11991 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11992 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11993 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11995 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11996 (BUILD_VARRAY): Delete.
11997 (genprognormal): Rename genprogmd. Fold in all programs from
11998 genprognoprint; also attrtab.
11999 (build/genattrtab): Just mention genautomata.o and varray.o.
12000 Reorganize a bit, add comments to make the categories clearer.
12002 2006-01-22 Zack Weinberg <zackw@panix.com>
12004 * genconditions.c (condition_table, add_condition): Delete.
12005 (write_conditions): Don't emit n_insn_conditions nor
12006 insn_elision_unavailable. Issue the gcc version #ifdef here,
12007 inside the table, with no #else clause ...
12008 (write_header): ...not here.
12009 (write_writer): New function.
12010 (main): Don't initialize condition_table. Use add_c_test.
12012 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12013 files on the command line.
12014 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12015 Return -1 if there is no entry in the table, don't abort.
12016 (add_c_test, traverse_c_tests): New functions.
12017 * gensupport.h (insn_elision_unavailable, insn_conditions)
12018 (n_insn_conditions): Delete declarations.
12019 (add_c_test, traverse_c_tests): Declare.
12020 * read-rtl.c: Include gensupport.h.
12021 (read_conditions): New function.
12022 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12023 (read_rtx_1): If we get EOF when we were looking for an initial
12024 open paren, return 0. Call read_conditions when appropriate.
12025 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12026 dummy-conditions.o. Eliminate references to insn-conditions.o,
12027 or change them to build/gencondmd.o, as appropriate. Remove
12028 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12029 from $(simple_generated_c). For all files remaining in those
12030 two lists, add insn-conditions.md to the generator command line.
12031 Give insn-constants.h/s-constants their own rules. Add rules
12032 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12033 (build/read-rtl.o): Depend on gensupport.h.
12034 (genprognormal): Include preds.
12035 (genprogearly): Rename genprognoprint; only difference is now that
12036 they don't link with $(BUILD_PRINT).
12037 * dummy-conditions.c: Delete.
12039 2006-01-22 Zack Weinberg <zackw@panix.com>
12041 * genextract.c: Don't include insn-config.h. Do include vec.h.
12042 Declare vectors of int, char, and locstr.
12043 (locstr): New typedef.
12044 (struct extraction): Make all array fields into bare pointers.
12045 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12046 (insn_code_number): Delete.
12047 (accum_extract): New struct.
12048 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12049 (gen_insn): Take insn_code_number as an argument. Use an
12050 accum_extract structure instead of loading data directly into
12051 a struct extraction, and having to know how big it might get.
12052 (walk_rtx): Operate entirely on an accum_extract structure.
12053 (print_path): Avoid unnecessary use of printf.
12054 (print_header): New function, split out of main. Distinguish
12055 more carefully between an unrecognizable insn and an insn that
12056 has the code number of a define_expand.
12057 (main): Pass insn_code_number to gen_insn. Call print_header
12058 only after parsing. Avoid unnecessary use of printf.
12059 * Makefile.in (build/vec.o): New rule.
12060 (build/genextract): Depend on build/vec.o.
12061 (build/genextract.o): Don't depend on insn-config.h.
12063 2006-01-22 Zack Weinberg <zackw@panix.com>
12065 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12066 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12067 practical. Eliminate per-generator-program link rules.
12069 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12071 PR middle-end/24437
12072 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12073 with a call expr to ...
12074 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12076 2006-01-23 Richard Guenther <rguenther@suse.de>
12078 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12079 before make_edge with conditional EDGE_TRUE_VALUE.
12081 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12082 Jan Hubicka <jh@suse.cz>
12083 Richard Guenther <rguenther@suse.de>
12085 PR rtl-optimization/25654
12086 * cfgexpand.c (aggregate_contains_union_type): New function.
12087 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12088 for structure variables that contain a union type.
12090 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12092 * gengtype.c (new_structure): Return the structure.
12093 (create_option): Add an extra "next" argument.
12094 (create_field): New function.
12095 (adjust_field_rtx_def): Use create_option and create_field.
12096 Remove a now-unnecessary call to find_structure.
12097 (adjust_field_tree_def): Likewise.
12098 (note_yacc_type): Remove an unnecessary call to find_structure.
12099 * gengtype.h (new_structure): Return the structure.
12100 (create_option): Add an extra argument.
12101 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12102 (option): Adjust calls to create_option.
12104 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12106 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12108 2006-01-22 Paul Brook <paul@codesourcery.com>
12109 Peter Barada <peter@the-baradas.com>
12111 * config/m68k/m68k.md: Add Coldfire FPU support.
12112 Define FP mode macro and associated attributes.
12113 Use it for float mode patterns.
12114 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12115 (LIBCALL_VALUE): Use m68k_libcall_value.
12116 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12117 (m68k_function_value): Ditto.
12118 (emit_move_sequence): Ditto.
12119 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12120 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12121 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12122 (MULTILIB_EXCEPTIONS): Ditto.
12123 * config/m68k/m68k.opt: Add mcfv4e.
12124 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12125 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12126 (m68k_output_function_prologue): Save ColdFire FPU registers.
12127 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12128 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12129 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12130 ColdFire FPU registers.
12131 (m68k_libcall_value, m68k_function_value): New functions.
12132 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12133 (LIBCALL_VALUE): Use m68k_libcall_value.
12134 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12135 (MASK_COLDFIRE): Add MASK_CFV4E.
12136 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12137 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12138 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12139 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12140 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12141 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12142 * doc/invoke.tex: Document -mcfv4e on m68k.
12144 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12146 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12149 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12152 * c-opts.c (c_common_handle_option): Don't include
12153 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12154 * doc/invoke.texi (C++ Dialect Options): Document that
12155 -Wnon-virtual-dtor is no longer included in -Wall.
12157 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12159 * gcov.c (print_version), gcov-dump.c (print_version),
12160 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12163 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12165 * df-scan.c (problem_SCAN): Added NULL reset function.
12166 (df_scan_reset_blocks): Added code to call reset block function
12167 (df_bb_refs_delete) Fixed comment.
12168 (df_insn_refs_delete): Made tolerant of deleting non existent info
12169 for dataflow problems that need to be reset.
12170 * df-core.c (df_set_blocks): Ditto.
12171 * df.h (struct df_problem): Added reset_fun.
12172 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12173 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12174 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12175 functions to clear out all references to def-use or use-def chains.
12177 2006-01-21 Ben Elliston <bje@au.ibm.com>
12179 * varasm.c (assemble_real): Initialise data array.
12181 2006-01-20 Paul Brook <paul@codesourcery.com>
12183 Merge from csl-arm-branch.
12184 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12185 * config/arm/arm.md (movdi): Force operands[1] to a register
12186 if we have a non-register source.
12187 (*arm_movdi, *movdf_soft_insn): Require that one of the
12188 operands be a register.
12189 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12190 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12192 2006-01-20 DJ Delorie <dj@redhat.com>
12194 * varasm.c (initializer_constant_valid_p): Allow pointers
12195 initialized from integer constants of lesser precision.
12196 (output_constant): Allow non-int-sized pointer modes to be
12197 initialized from integer constants.
12199 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12202 * cppdefault.h (struct default_include): Add multilib flag.
12203 * cppdefault.c (cpp_include_defaults): Set it.
12204 * c.opt (-imultilib): New option.
12205 * c-opts.c (imultilib): New.
12206 (c_common_handle_option): Handle -imultilib.
12207 (c_common_post_options): Likewise.
12208 * c-incpath.c (add_standard_paths, register_include_chains):
12210 * c-incpath.h (register_include_chains): Add extra parameter.
12211 * gcc.c (do_spec_1): Generate -imultilib option.
12212 (The Specs Language): Update %I description.
12213 (process_command): Update copyright notice.
12214 * doc/cppopts.texi (-imultilib): Document.
12215 * doc/invoke.texi (-imultilib): Include in option summary.
12216 (%I): Update specs documentation.
12218 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12220 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12222 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12224 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12227 2006-01-20 Richard Guenther <rguenther@suse.de>
12228 Steven Bosscher <stevenb.gcc@gmail.com>
12230 PR rtl-optimization/24626
12231 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12232 EDGE_TRUE_VALUE if in RTL mode.
12235 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12236 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12238 2006-01-20 Dirk Mueller <dmueller@suse.com>
12241 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12242 instead of a special NOP marker.
12243 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12244 NOP marker handling.
12245 * c-common.h (empty_body_warning): Add forward declaration.
12246 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12247 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12249 2006-01-20 Paul Brook <paul@codesourcery.com>
12251 * Makefile.in (lang_checks): Keep going if mkdir fails.
12253 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12255 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12256 be able to clean out basic block when not necessary.
12257 (df_scan_free): Fixed to properly delete information if df is
12258 unused before calling df_finish.
12259 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12260 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12262 (df_bb_refs_delete): New function.
12263 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12264 * df-core.c (df_set_blocks): Added code to properly clean out
12265 unused blocks if they are not part of the blocks to consider.
12266 Added additional null check.
12267 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12268 be able to clean out basic block when not necessary
12269 * df.h (df_free_bb_function): Ditto.
12270 (df_bb_refs_delete): New function.
12271 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12272 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12273 basic block parameter to be able to clean out basic block when not
12275 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12276 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12277 Fixed to properly delete information if df is unused before
12280 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12282 PR rtl-optimization/25799
12283 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12284 Corrected confluence operator to remove bits from op2 before oring
12285 with op1 rather than removing bits from op1.
12286 (df_ru_transfer_function): Corrected test on wrong bitmap which
12287 caused infinite loop. Both of these problems were introduced in
12288 the dataflow rewrite.
12290 2006-01-19 DJ Delorie <dj@redhat.com>
12292 * reload1.c (find_reload_regs): Note the details of reload
12293 failures in the dump file.
12294 (spill_failure): Likewise.
12296 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12298 * loop-iv.c: Include df.h and hashtab.h.
12299 (enum iv_grd_result): New enum.
12300 (DF_REF_IV, DF_REF_IV_SET): New macros.
12301 (struct biv_entry): New.
12302 (df, bivs): New global variables.
12303 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12304 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12306 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12307 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12308 analyzed_for_bivness_p, record_biv): New functions.
12309 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12310 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12311 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12313 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12315 (iv_number_of_iterations): Use new interface to iv analysis.
12316 * loop-unroll.c: Do not include varray.h.
12317 (analyze_iv_to_split_insn): Use new interface to iv
12319 * loop-unswitch.c (may_unswitch_on): Ditto.
12320 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12322 (df_bb_modify): Realloc tables to the new index.
12323 (df_find_use): New function.
12324 * df.h (df_find_use): Declare.
12325 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12327 * cfgloop.h (struct rtx_iv): Remove analysed field.
12328 (iv_get_reaching_def): Removed.
12329 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12330 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12331 (loop-iv.o): Add df.h and hashtab.h dependency.
12332 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12334 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12337 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12339 (__floatundisf, __floatundidf): Likewise.
12340 * libgcc2.h (IS_IBM_EXTENDED): Define.
12342 2006-01-19 DJ Delorie <dj@redhat.com>
12344 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12346 2006-01-19 Paul Brook <paul@codesourcery.com>
12348 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12349 as nothrow when unwinding tables are disabled.
12351 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12354 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12355 of bit-field" when in system header.
12357 2006-01-19 DJ Delorie <dj@redhat.com>
12359 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12360 the 16 bit shift limit of the m16c.
12362 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12365 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12366 * config/i386/i386.c (output_set_got): Output the label if we have one
12367 for the TARGET_DEEP_BRANCH_PREDICTION case.
12369 2006-01-19 Jan Hubicka <jh@suse.cz>
12370 H.J. Lu <hongjiu.lu@intel.com>
12371 Evandro Menezes <evandro.menezes@amd.com>
12373 * invoke.texi (generic): Document
12375 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12376 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12377 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12378 (x86_use_incdec, x86_pad_returns): New variables
12379 (TARGET_CPU_DEFAULT_generic): New constant
12380 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12381 (enum processor_type): Add generic32 and generic64.
12382 * i386.md (cpu attribute): Add generic32/generic64
12383 (movhi splitter): Behave sanely when both partial_reg_dependency and
12384 partial_reg_stall are set.
12385 (K8 splitters): Enable for generic as well.
12386 * predicates.md (incdec_operand): Use TARGET_INCDEC
12387 (aligned_operand): Avoid memory mismatch stalls.
12388 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12389 * ppro.md: Enable for generic32
12390 * i386.c (generic64_cost, generic32_cost): New.
12391 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12392 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12393 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12394 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12395 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12396 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12397 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12398 x86_accumulate_outgoing_args, x86_prologue_using_move,
12399 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12400 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12401 Enable for generic.
12402 (x86_use_incdec, x86_pad_returns): New.
12403 (override_options): Add generic32 and generic64, translate "generic"
12404 to generic32/generic64 and "i686" to "generic32", refuse
12405 "generic32"/"generic64" as arch target.
12406 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12407 (ix86_reorg): Honor PAD_RETURNS.
12409 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12411 * tree-pretty-print.c (dump_generic_node): Handle
12412 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12413 * cgraph.c (cgraph_expand_queue): Rename from
12414 cgraph_analyze_queue. Update all users.
12415 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12416 cgraph_expand_queue.
12417 (cgraph_expand_all_functions): Likewise.
12418 (cgraph_finalize_pending_functions): Remove. Update callers.
12420 * tree.h (OMP_DIRECTIVE_P): Define.
12421 (OMP_PARALLEL_FN): Define.
12422 (OMP_PARALLEL_DATA_ARG): Define.
12423 (OMP_SECTIONS_SECTIONS): Define.
12424 * tree-pass.h (pass_expand_omp): Declare.
12425 * omp-low.c (struct omp_region): Declare.
12426 (struct omp_context): Remove fields 'parallel_type',
12427 'parallel_start_ix' and 'parallel_start_additional_args'.
12429 (struct omp_for_data): Rename from struct expand_omp_for_data.
12430 (omp_regions): New static variable.
12431 (root_omp_region): New static variable.
12432 (find_omp_clause): Make static.
12433 (is_in_combined_parallel_ctx): Remove.
12434 (is_combined_parallel): New.
12435 (extract_omp_for_data): Move earlier in the file.
12436 (workshare_safe_to_combine_p): New.
12437 (get_ws_args_for): New.
12438 (determine_parallel_type): Move earlier in the file.
12439 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12441 (omp_copy_decl): Likewise.
12442 (create_omp_child_function): Likewise.
12443 (lookup_omp_region): New.
12444 (dump_omp_region): New.
12445 (debug_omp_region): New.
12446 (debug_all_omp_regions): New.
12447 (new_omp_region): New.
12448 (scan_omp_parallel): If parallel_nesting_level > 1, the
12449 directive is nested within another parallel directive.
12450 Set OMP_PARALLEL_FN.
12451 (scan_omp_for): Do not try to handle combined parallel+for
12453 Remove FIXME comment.
12454 (scan_omp_nested): Remove.
12455 (scan_omp_1): Do not call scan_omp_nested when
12456 parallel_nesting_level is > 1.
12457 Do not change the DECL_CONTEXT of local variables found.
12458 (lookup_decl_in_outer_ctx): New.
12459 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12460 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12461 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12462 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12463 If CTX is nested, lookup VAR in the outer context when
12464 building copy assignment.
12465 (lower_send_clauses): Rename from expand_send_clauses.
12466 If CTX is nested, lookup VAR in the outer context when
12467 building copy assignments.
12468 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12469 If CTX is nested, lookup VAR in the outer context when
12470 building copy assignments.
12471 (expand_parallel_call): Rename from build_parallel_call.
12472 Handle combined parallel+workshare cases.
12473 Re-implement to emit code into the CFG.
12475 (expand_omp_parallel): Re-implement to emit code into the CFG.
12476 Call move_sese_region_to_fn to outline the sub-graph
12477 containing the parallel region.
12478 (expand_omp_for_1): Remove.
12479 (expand_omp_for_generic): Re-implement to emit code into the
12481 (expand_omp_for_static_nochunk): Likewise.
12482 (expand_omp_for_static_chunk): Likewise.
12483 (expand_omp_for): Likewise.
12484 (expand_omp_sections): Likewise.
12485 (remove_exit_barriers): New.
12486 (expand_omp_synch): New.
12488 (build_omp_regions_1): New.
12489 (build_omp_regions): New.
12490 (execute_expand_omp): New.
12491 (gate_expand_omp): New.
12492 (pass_expand_omp): Define.
12493 (lower_omp_sections): Rename from expand_omp_sections.
12494 Set OMP_SECTIONS_SECTIONS.
12495 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12496 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12497 (lower_omp_single): Rename from expand_omp_simple.
12498 (lower_omp_master): Rename from expand_omp_master.
12499 (lower_omp_ordered): Rename from expand_omp_ordered.
12500 (lower_omp_critical): Rename from expand_omp_critical.
12501 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12502 (lower_omp_for): Re-implement.
12503 (lower_omp_parallel): Re-implement.
12504 (lower_regimplify): Rename from expand_regimplify.
12505 (lower_omp_1): Rename from expand_omp_1.
12506 If there are syntax errors in the program, replace every
12507 OpenMP directive with NOP.
12508 Call lower_omp_* instead of expand_omp_*.
12509 (lower_omp): Rename from expand_omp.
12511 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12512 * tree-gimple.h (enum omp_parallel_type): Remove.
12513 (gimple_boolify): Declare extern.
12514 (find_omp_clause, determine_parallel_type): Remove.
12516 * gimple-low.c (lower_omp_directive): New.
12517 (lower_stmt): Call it.
12518 (record_vars_into): Move from ...
12519 (record_vars): ... here.
12520 Call record_vars_into with current_function_decl.
12522 * gimplify.c (struct gimplify_ctx): Remove fields
12523 combined_pre_p and combined_ctxp. Update users.
12524 (get_formal_tmp_var): Add documentation.
12525 (gimple_boolify): Make extern.
12526 (gimplify_expr_in_ctx): Remove. Update callers.
12527 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12528 will always be a BIND_EXPR.
12529 (gimplify_expr): Handle OMP_RETURN_EXPR.
12530 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12531 (OMP_PARALLEL): Add 3 operands.
12532 (OMP_SECTIONS): Add 1 operand.
12533 (OMP_RETURN_EXPR): Define.
12535 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12536 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12537 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12538 creating a circular free list.
12539 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12541 * tree-flow.h (move_sese_region_to_fn): Declare.
12542 (record_vars_into): Declare.
12543 * tree-cfg.c (make_omp_sections_edges): New.
12544 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12545 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12546 OMP_SECTIONS and OMP_SECTION.
12547 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12548 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12549 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12550 (gather_blocks_in_sese_region): New.
12551 (struct move_stmt_d): Declare.
12552 (move_stmt_r): New.
12553 (move_block_to_fn): New.
12554 (move_sese_region_to_fn): New.
12556 * passes.c (init_optimization_passes): Schedule
12557 pass_expand_omp after pass_init_datastructures.
12559 * tree-ssa-operands.c (get_expr_operands): Handle
12560 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12561 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12563 2006-01-19 Jeff Law <law@redhat.com>
12565 * tree-vrp.c (extract_range_from_assert): Refine the result range
12566 if the variable referenced by the ASSERT_EXPR has a range and
12567 either the tentative result range or the previous range is a
12570 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12572 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12574 2006-01-19 Jan Hubicka <jh@suse.cz>
12576 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12578 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12580 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12581 (expand_compound_operation, expand_field_assignment): Fail if the
12582 bit lengths of an extract operation are out of range.
12583 (make_extraction): Compute wanted_inner_mode based on the position
12584 and length of the extraction. Make it extraction_mode for non-constant
12585 positions, and do not modify offset in that case. When generating a
12586 new MEM, use a mode that can hold the extraction while keeping correct
12587 alignment. Remove code that supported MEMs wrapped by USEs.
12588 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12590 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12592 * config/s390/s390.md ("Y", "y"): New mode attribute.
12593 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12594 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12595 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12596 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12597 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12598 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12599 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12600 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12601 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12602 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12603 "addsi3", "subsi3"): Insn patterns removed.
12604 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12605 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12606 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12607 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12608 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12609 "*sub<mode>3_cconly2"): New insn patterns.
12610 ("addsi3", "subsi3"): New expanders.
12612 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12614 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12615 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12616 existing STMT_VINFO_VECTYPE if available.
12617 (vect_mark_relevant): Add special handling for stmts that are
12618 marked as STMT_VINFO_IN_PATTERN_P.
12619 (vect_analyze_loop): Call vect_pattern_recog.
12620 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12621 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12623 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12624 (vect_recog_func_ptr): New function-pointer type.
12625 * tree-vect-patterns.c: New file.
12626 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12627 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12628 (vect_pattern_recog_1): New functions.
12629 (vect_pattern_recog_funcs): New array of function pointers.
12631 * tree-vectorizer.h (ternary_op): New enum value.
12632 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12633 declaration. Revised documentation. Removed redundant dump prints.
12634 Removed redundant argument. Added support for reduction patterns.
12635 (vectorizable_reduction): Added support for reduction patterns.
12636 (vect_transform_stmt): Added support for patterns.
12638 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12639 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12640 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12641 (expand_widen_pattern_expr): New function.
12642 (init_optabs): Initialize new optabs udot_prod_optab,
12644 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12645 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12646 (expand_widen_pattern_expr): New function declaration.
12647 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12649 * tree-inline.c (estimate_num_insns_1): Added cases for new
12650 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12651 * tree-pretty-print.c (dump_generic_node): Likewise.
12652 (op_prio): Likewise.
12653 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12654 * tree-ssa-operands.c (get_expr_operands): Added case for
12656 * tree-vect-patterns.c (widened_name_p): New function.
12657 (vect_recog_dot_prod_pattern): Added function implementation.
12658 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12659 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12660 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12661 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12663 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12664 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12665 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12666 (init_optabs): Initialize new optabs widen_ssum_optab,
12668 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12669 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12670 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12671 use instead of type of def.
12672 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12673 function implementation.
12674 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12675 widen_ssumv8hi): New.
12677 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12680 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12683 * c-decl.c (add_flexible_array_elts_to_size): New function.
12684 (finish_decl): Use it.
12686 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12688 * diagnostic.h: Include options.h.
12689 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12690 dependancies for diagnostic.h.
12691 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12693 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12695 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12696 (ssa_ro_call_cache_valid): Ditto.
12697 * tree-ssa-alias.c (sort_tags_by_id): New function.
12698 (init_transitive_clobber_worklist): Ditto.
12699 (add_to_worklist): Ditto.
12700 (mark_aliases_call_clobbered): Ditto.
12701 (compute_tag_properties): Ditto.
12702 (set_initial_properties): Ditto.
12703 (compute_call_clobbered): Ditto.
12704 (compute_may_aliases): Call compute_call_clobbered and grouping.
12705 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12706 (compute_flow_insensitive_aliasing): Grouping now happens in our
12708 (setup_pointers_and_addressables): Remove clobbering related code.
12709 (add_may_alias): Ditto.
12710 (replace_may_alias): Ditto.
12711 (get_nmt_for): Ditto.
12712 (create_global_var):
12713 (is_escape_site): Return an escape_type enumeration.
12714 * tree-flow-inline.h (is_call_clobbered): Global var does not
12715 imply call clobbered.
12716 (mark_call_clobbered): Take a reason for marking this. Remove
12717 marking of globalness, and cache invalidation.
12718 (clear_call_clobbered): Remove cache invalidation code.
12719 * tree-dfa.c (dump_variable): If details is on, dump the reason
12721 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12723 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12724 (struct var_ann_d): Ditto.
12725 (enum escape_type): New.
12726 (mark_call_clobbered): Adjust prototype.
12727 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12728 are never call clobbered.
12729 Record reasons for escaping.
12730 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12731 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12732 (ssa_ro_call_cache_valid): Ditto.
12733 (clobbered_v_may_defs): Ditto.
12734 (clobbered_vuses): Ditto.
12735 (ro_call_vuses): Ditto.
12736 (clobber_stats): New.
12737 (init_ssa_operands): Zero out clobber stats.
12738 (fini_ssa_operands): Print out clobber stats.
12739 (get_call_expr_operands): Pass callee fndecl to
12740 add_call_read_ops).
12741 (add_call_clobber_ops): Remove use of cache.
12742 Add use of PURE_CONST information.
12743 (add_call_read_ops): Remove use of cache.
12744 Add use of static not_read information.
12746 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12748 Introduce TLS descriptors for i386 and x86_64.
12749 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12750 (TARGET_ANY_GNU_TLS): New macro.
12751 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12752 (struct machine_function): Add tls_descriptor_call_expanded_p.
12753 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12754 (ix86_current_function_calls_tls_descriptor): Likewise.
12755 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12756 (override_options): Introduce gnu2 tls dialect.
12757 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12759 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12761 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12762 (ix86_init_machine_status): Initialize new field.
12763 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12764 (ix86_tls_module_base): New.
12765 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12766 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12767 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12768 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12769 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12770 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12771 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12772 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12773 * config/i386/predicates.md (tls_modbase_operand): New.
12774 (tp_or_register_operand): New.
12776 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12778 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12779 (look_for_address_of): Ditto.
12780 (ipa_init): Walk the function decls.
12781 (static_execute): Don't set readonly on FUNCTION_DECL's.
12783 2006-01-18 Roger Sayle <roger@eyesopen.com>
12785 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12786 for shifts where the source and destination registers are different.
12788 2006-01-18 Paul Brook <paul@codesourcery.com>
12790 Merge from csl-arm-branch.
12791 2005-03-14 Julian Brown <julian@codesourcery.com>
12792 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12793 (aeabi_llsl): Likewise.
12794 (ashrdi3): Likewise.
12795 (aeabi_lasr): Likewise.
12796 (lshrdi3): Likewise.
12797 (aeabi_llsr): Likewise.
12798 2005-03-10 Julian Brown <julian@codesourcery.com>
12799 * config.gcc: Disable shared libgcc for SymbianOS.
12800 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12802 2006-01-18 DJ Delorie <dj@redhat.com>
12804 * c-pragma.c (handle_pragma_diagnostic): New.
12805 (init_pragma): Register it.
12806 * doc/extend.texi: Document it.
12808 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12809 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12810 (diagnostic_context): Add classify_diagnostic[].
12811 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12812 as errors if they're overridden to DK_WARNING.
12813 (diagnostic_initialize): Initialize classify_diagnostic[].
12814 (diagnostic_set_kind_override): New.
12815 (diagnostic_report_diagnostic): Check for kind changes.
12816 * opts.c (common_handle_option): Take lang_mask. Update callers.
12817 Handle OPT_Werror_.
12818 * common.opt (Werror=): New.
12819 * doc/invoke.texi: Document -Werror=*
12821 2006-01-18 Jeff Law <law@redhat.com>
12823 * tree-vrp.c (test_for_singularity): Correct test for new
12824 min limit. Use operand_equal_p rather than pointer equality
12825 for testing if new min/max values are equal.
12827 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12828 using range information until after propagation and folding.
12830 2006-01-18 Richard Henderson <rth@redhat.com>
12831 Aldy Hernandez <aldyh@redhat.com>
12832 Jakub Jelinek <jakub@redhat.com>
12833 Diego Novillo <dnovillo@redhat.com>
12835 * omp-low.c: New file.
12836 * c-omp.c: New file.
12838 2006-01-18 Richard Henderson <rth@redhat.com>
12839 Jakub Jelinek <jakub@redhat.com>
12840 Diego Novillo <dnovillo@redhat.com>
12842 * doc/invoke.texi: Document -fopenmp.
12843 * tree-dump.h (debug_function): Declare.
12844 * hooks.c (hook_bool_tree_bool_false): New function.
12845 (hook_tree_tree_null): Remove.
12846 (hook_tree_tree_tree_null): New.
12847 * hooks.h: Update to match.
12848 * tree-pretty-print.c (debug_tree_chain): New.
12849 (print_generic_expr): Handle TDF_CHAIN.
12850 (dump_generic_node): Handle BLOCK.
12851 Do not abort with incomplete SWITCH_EXPRs.
12852 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12853 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12854 print space after directive name.
12855 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12856 Handle OMP_MASTER and OMP_ORDERED.
12857 Handle printing of OMP_BODY just in one place, goto
12858 dump_omp_body in the rest of OMP_* nodes that have
12860 Don't handle clause nodes here. Update omp statements to
12861 use dump_omp_clauses.
12862 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12863 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12864 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12865 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12866 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12867 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12868 Adjust output for GOMP_PARALLEL.
12869 (dump_omp_clauses): New.
12870 (print_declaration): Dump DECL_VALUE_EXPR.
12871 (op_symbol_1): Split out of op_symbol.
12872 (dumping_stmts): Remove. Update all users.
12873 * cgraph.c (cgraph_analyze_queue): New.
12874 (cgraph_add_new_function): New.
12875 * cgraph.h (cgraph_analyze_queue): Declare.
12876 (cgraph_add_new_function): Declare.
12877 (cgraph_lower_function): Remove.
12878 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12879 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12880 and TYPE_P nodes in its default clause.
12881 (empty_body_p): New.
12882 (tree_range_check_failed): New.
12883 (build5_stat): New.
12884 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12885 OMP_CLAUSE_REDUCTION_MERGE,
12886 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12887 OMP_CLAUSE_PRIVATE_DEBUG,
12888 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12889 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12890 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12891 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12892 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12893 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12894 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12895 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12896 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12897 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12898 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12899 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12900 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12901 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12902 (TREE_RANGE_CHECK): New.
12903 (empty_body_p): Declare.
12904 (enum omp_clause_default_kind): New.
12905 (build_string_literal): Declare.
12906 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12907 (build5_stat, build5): Declare.
12908 * tree-pass.h (TDF_CHAIN): Define.
12909 * tree-pass.h (PROP_gimple_lomp): Define.
12910 (pass_lower_omp): Declare.
12911 * diagnostic.h (debug_tree_chain): Declare.
12912 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12914 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12915 * builtins.c (build_string_literal): Make extern.
12916 * gcc.c (include_spec_function): New.
12917 (static_spec_functions): Add it.
12918 (main): Move load of libgomp.spec ...
12919 (LINK_COMMAND_SPEC): ... here.
12920 (link_gomp_spec): New.
12921 (static_specs): Include it.
12922 (LINK_COMMAND_SPEC): Add link_gomp.
12923 (GOMP_SELF_SPECS): New.
12924 (driver_self_specs): Include it.
12925 (switch_matches): Don't mark inline.
12926 (main): Load libgomp.spec.
12927 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12928 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12929 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12930 * tree-gimple.h (enum omp_parallel): Declare.
12931 (determine_parallel_type): Declare.
12932 (omp_firstprivatize_variable): Declare.
12933 (omp_reduction_init): Declare.
12934 (diagnose_omp_structured_block_errors): Declare.
12935 (struct walk_stmt_info): Add want_return_expr.
12936 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12937 (find_omp_clause): Declare.
12938 (insert_field_into_struct): Declare.
12939 (struct walk_stmt_info): Move from tree-nested.c
12940 (walk_stmts): Declare.
12941 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12943 * cgraphunit.c (cgraph_lower_function): Make static.
12944 (cgraph_finalize_pending_functions): New.
12945 (cgraph_finalize_function): Call it.
12946 (cgraph_finalize_compilation_unit): Likewise.
12947 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12948 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12949 (BT_FN_UINT_UINT): New.
12950 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12951 DEF_FUNCTION_TYPE_VAR_4): Document.
12952 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12953 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12954 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12955 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12956 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12957 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12958 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12959 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12960 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12961 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12962 into separate files.
12963 (DEF_GOMP_BUILTIN): New.
12964 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12965 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12966 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12967 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12968 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12969 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12970 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12971 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12972 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12973 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12974 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12975 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12976 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12977 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12978 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12979 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12980 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12981 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12982 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12983 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12984 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12985 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12986 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12987 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12988 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12989 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12990 * sync-builtins.def: New file, moved from builtins.def.
12991 * omp-builtins.def: New file, moved from builtins.def.
12992 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12993 * gimple-low.c (lower_function_body): Clear data.
12994 (lower_stmt): Do not handle COMPOUND_EXPR.
12995 Remove call to print_node_brief.
12996 * c-tree.h (c_finish_omp_clauses): New prototype.
12997 (C_DECL_THREADPRIVATE_P): Define.
12998 (lookup_name_no_remap, c_omp_remap_private): Remove
12999 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13000 (check_for_loop_decls): Update decl.
13001 (lookup_name_no_remap, c_omp_remap_private): Declare.
13002 (build_indirect_ref, build_modify_expr, pushdecl,
13003 pushdecl_top_level): Move to c-common.h.
13004 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13005 before the switch, but just in the 2 places that need it.
13006 * c-decl.c (diagnose_mismatched_decls): Do not check for
13007 mismatched thread-local attributes when OLDDECL is marked
13008 threadprivate and NEWDECL has no thread-local attributes.
13009 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13010 (c_gimple_diagnostics_recursively): Rename from
13011 c_warn_unused_result_recursively. Invoke
13012 diagnose_omp_structured_block_errors.
13013 (check_for_loop_decls): Return a singular decl found.
13014 * langhooks.c (lhd_omp_predetermined_sharing): Return
13015 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13016 (lhd_omp_firstprivatize_type_sizes): New.
13017 (lhd_omp_assignment): New.
13018 (lhd_omp_predetermined_sharing): New.
13019 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13020 (struct lang_hooks_for_types): Add
13021 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13022 omp_predetermined_sharing, omp_disregard_value_expr,
13023 omp_private_debug_clause, omp_clause_default_ctor,
13024 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13025 (c_finish_omp_clauses): New.
13026 (c_finish_bc_stmt): Diagnose break within omp for.
13027 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13028 (build_unary_op): Return error_mark after reporting
13030 (build_modify_expr): Likewise.
13031 * gimplify.c: Include optabs.h and pointer-set.h.
13032 (enum gimplify_omp_var_data): Declare.
13033 (struct gimplify_omp_ctx): Declare.
13034 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13036 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13037 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13038 (splay_tree_compare_decl_uid): New.
13039 (new_omp_context): New.
13040 (delete_omp_context): New.
13041 (gimple_add_tmp_var): Call omp_add_variable.
13042 (gimplify_bind_expr): Likewise.
13043 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13044 true, disregard DECL_VALUE_EXPR on the decl if any.
13045 (gimplify_expr_in_ctx): New.
13046 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13047 omp_add_variable, omp_notice_variable, omp_is_private
13048 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13049 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13050 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13051 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13052 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13053 gimplify_omp_atomic): New.
13054 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13055 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13056 OMP_CRITICAL and OMP_ATOMIC.
13057 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13058 * c-pragma.h (enum pragma_kind): Add
13059 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13060 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13061 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13062 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13063 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13064 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13065 PRAGMA_OMP_THREADPRIVATE.
13066 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13067 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13068 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13069 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13070 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13071 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13072 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13073 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13074 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13075 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13076 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13077 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13078 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13080 (struct nesting_info): Add field_map,
13081 suppress_expansion, debug_var_chain.
13082 (create_nesting_tree): Initialize them.
13083 (lookup_field_for_decl): Use field_map.
13084 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13085 (convert_local_omp_clauses): New.
13086 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13087 (walk_body): Split out of walk_function.
13088 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13089 (convert_nonlocal_reference): Handle omp statements.
13090 (convert_local_reference): Likewise.
13091 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13092 (unnest_nesting_tree): New.
13093 (lower_nested_functions): Call it.
13094 (insert_field_into_struct): Make extern.
13095 (struct walk_stmt_info): Move to tree-gimple.h.
13096 (walk_stmts): Make extern.
13097 * omp-builtins.def: New file.
13098 * tree-iterator.c (expr_only): Clarify comment.
13099 * c-common.h (pushdecl_top_level, pushdecl,
13100 build_modify_expr, build_indirect_ref,
13101 c_finish_omp_master, c_finish_omp_critical,
13102 c_finish_omp_ordered, c_finish_omp_barrier,
13103 c_finish_omp_atomic, c_finish_omp_flush,
13104 c_finish_omp_for, c_split_parallel_clauses,
13105 omp_clause_default_kind, c_omp_sharing_predetermined,
13106 c_omp_remap_decl): Declare.
13107 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13108 (OBJS-common): Add omp-low.o.
13109 (c-omp.o, omp-low.o): Add.
13110 (gimplify.o): Add dependency on $(OPTABS_H).
13111 (GTFILES): Add omp-low.c.
13112 (gt-stringpool.h): Add.
13113 * tree-cfg.c (set_bb_for_stmt): Do not update the
13114 block-to-labels map if we are currently expanding to RTL.
13115 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13117 Handle IDENTIFIER_NODE.
13118 (tree_verify_flow_info): Do not ICE when emitting error
13119 messages about invalid labels.
13120 (dump_function_to_file): Reset CFUN before emitting the body
13122 (debug_function): New.
13123 * passes.c (init_optimization_passes): Schedule
13125 * langhooks-def.h (lhd_omp_predetermined_sharing,
13126 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13128 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13129 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13130 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13131 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13132 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13133 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13134 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13135 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13136 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13137 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13138 (LANG_HOOK_DECLS): Use them.
13140 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13141 Richard Henderson <rth@redhat.com>
13142 Jakub Jelinek <jakub@redhat.com>
13143 Diego Novillo <dnovillo@redhat.com>
13145 * c-parser.c (pragma_omp_clause): Define.
13146 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13147 (c_parser_compound_statement): Likewise.
13148 (c_parser_statement): Likewise.
13149 (c_parser_pragma): Handle omp pragmas.
13150 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13151 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13152 (c_parser_omp_clause_name, check_no_duplicate_clause,
13153 c_parser_omp_variable_list,
13154 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13155 c_parser_omp_clause_copyprivate,
13156 c_parser_omp_clause_default,
13157 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13158 c_parser_omp_clause_lastprivate,
13159 c_parser_omp_clause_nowait,
13160 c_parser_omp_clause_num_threads,
13161 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13162 c_parser_omp_clause_reduction,
13163 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13164 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13165 c_parser_omp_atomic, c_parser_omp_barrier,
13166 c_parser_omp_critical, c_parser_omp_flush,
13167 c_parser_omp_for_loop, c_parser_omp_for,
13168 c_parser_omp_master, c_parser_omp_ordered,
13169 c_parser_omp_sections_scope, c_parser_omp_sections,
13170 c_parser_omp_parallel, c_parser_omp_single,
13171 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13172 * c-pragma.c (init_pragma): Do omp pragma registration here.
13173 * c.opt (fopenmp): New flag.
13175 2006-01-18 Eric Christopher <echristo@apple.com>
13177 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13178 * config/darwin.h (GOMP_SELF_SPECS): Define.
13180 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13182 * rtl.h: Remove the prototype for reg_alloc.
13184 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13187 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13188 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13189 sjlj and dwarf2 exception handling.
13190 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13191 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13192 * pa/pa.c (function_value): Treat complex and vector types as
13194 (function_arg): Likewise. Only pass scalar floats in the floating
13195 point argument registers.
13196 * pa/t-slibgcc-dwarf-ver: New file.
13197 * pa/t-slibgcc-sjlj-ver: New file.
13198 * pa/t-slibgcc-elf-ver: Delete file.
13200 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13202 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13203 unlikely_test_section_p test.
13205 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13207 * mode-switching.c (optimize_mode_switching): Make it static.
13208 * basic-block.h: Remove the prototype for
13209 optimize_mode_switching.
13211 * modulo-sched.c (sms_schedule): Make it static.
13212 * rtl.h: Remove the prototype for sms_schedule.
13214 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13215 * rtl.h: Remove the prototype for gcse_after_reload_main.
13217 * reg-stack.c (reg_to_stack): Make it static.
13218 * rtl.h: Remove the prototype for reg_to_stack.
13220 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13222 * rtl.h: Remove the prototypes for regrename_optimize and
13223 copyprop_hardreg_forward.
13225 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13227 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13228 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13229 Test against the appropriate null constant for the mode.
13230 If 'fixup_overlap' is true, swap the operands if they overlap.
13231 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13232 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13233 alpha_split_tmode_pair and adjust for above change.
13234 * config/alpha/alpha.md (movtf_internal): Adjust call to
13235 alpha_split_tfmode_pair and rely on it to swap the operands.
13236 (movti_internal): New insn and post-reload splitter.
13237 (movti): New expander.
13239 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13241 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13244 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13246 * rtlanal.c (global_reg_mentioned_p_1,
13247 global_reg_mentioned_p): Remove.
13248 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13250 * flow.c (initialize_uninitialized_subregs): Make it static.
13251 * rtl.h: Remove the prototype for
13252 initialize_uninitialized_subregs.
13254 * function.c (instantiate_virtual_regs): Make it static.
13255 * function.h: Remove the prototype for
13256 instantiate_virtual_regs.
13258 * regmove.c (regmove_optimize, combine_stack_adjustments):
13260 * rtl.h: Remove the prototypes for regmove_optimize and
13261 combine_stack_adjustments.
13263 2006-01-17 Roger Sayle <roger@eyesopen.com>
13265 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13266 (size_cost): Encode costs in bytes so that a reg-reg addition is
13267 equivalent to COSTS_N_INSNS(1).
13268 (override_options): Use the size_cost.branch_cost as the default
13269 ix86_branch_cost when optimizing for size.
13271 2006-01-18 Ben Elliston <bje@au.ibm.com>
13273 * Makefile.in (D32PBIT_FUNCS): New.
13274 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13275 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13276 D64PBIT_FUNCS and D128PBIT_FUNCS.
13277 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13278 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13280 (decnumber_dep): Define.
13281 * doc/libgcc.texi (Decimal float library routines): New node.
13282 * config/dfp-bit.h, config/dfp-bit.c: New files.
13284 2006-01-18 Ben Elliston <bje@au.ibm.com>
13286 * expr.c (emit_move_change_mode): Always adjust addresses, not
13287 just during reload. Copy replacements only during reload.
13288 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13289 emit_move_via_integer.
13291 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13293 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13294 instead of $(srcdir) and ${srcdir}.
13296 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13299 PR middle-end/11135
13300 * arm.h (struct machine_function): Add pic_reg.
13301 * arm.c (arm_pic_register): Make unsigned.
13302 (arm_override_options): Only set arm_pic_register if
13303 TARGET_SINGLE_PIC_BASE.
13304 (use_return_insn): Only test for a pic register if it is fixed.
13305 (arm_compute_save_reg0_reg12_mask): Likewise.
13306 (thumb_compute_save_reg_mask): Likewise.
13307 (legitimate_pic_operand): Factor out some known invariants.
13308 (legitimize_pic_address): If we don't have a fixed pic register,
13309 then set up a pseudo in the function entry sequence. Handle the
13310 pic base being in a pseudo.
13311 (arm_load_pic_register): Handle the pic register being in a pseudo.
13312 (arm_expand_prologue): Only set up the pic register if it is fixed.
13313 (thumb_expand_prologue): Likewise.
13314 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13315 (pic_load_addr_based_insn): Likewise.
13316 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13319 2006-01-18 Ben Elliston <bje@au.ibm.com>
13321 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13322 decimal float modes for all floating point registers.
13324 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13325 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13327 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13330 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13331 even when the pointer is not NULL.
13333 2006-01-16 Ian Lance Taylor <ian@airs.com>
13335 * common.opt (ftoplevel-reorder): New option.
13336 * cgraph.c (cgraph_asm_nodes): New global variable.
13337 (cgraph_asm_last_node): New static variable.
13338 (cgraph_order): New global variable.
13339 (cgraph_create_node): Set new order field.
13340 (cgraph_varpool_node): Likewise.
13341 (decide_is_variable_needed): Return true if not
13342 flag_toplevel_reorder.
13343 (cgraph_add_asm_node): New function.
13344 * cgraph.h (struct cgraph_node): Add order field.
13345 (struct cgraph_varpool_node): Add order field.
13346 (struct cgraph_asm_node): Define.
13347 (cgraph_asm_nodes, cgraph_order): Declare.
13348 (cgraph_add_asm_node): Declare.
13349 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13351 (cgraph_varpool_assemble_pending_decls): Call it.
13352 (cgraph_output_pending_asms): New static function.
13353 (cgraph_finalize_compilation_unit): Call it.
13354 (struct cgraph_order_sort): Define.
13355 (cgraph_output_in_order): New static function.
13356 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13357 !flag_toplevel_reorder case.
13358 * c-parser.c: Include "cgraph.h".
13359 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13361 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13362 than -fno-unit-at-a-time.
13363 * doc/invoke.texi (Option Summary): Mention
13364 -fno-toplevel-reorder.
13365 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13366 -funit-at-a-time documentation.
13368 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13369 Kazu Hirata <kazu@codesourcery.com>
13371 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13373 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13375 * Makefile.in (FUNCTION_H): New. Use it instead of
13376 function.h throughout the file.
13377 * function.h: Include tree.h.
13379 2006-01-17 Ben Elliston <bje@au.ibm.com>
13381 * recog.c: Separate some functions with whitespace.
13383 2006-01-16 Richard Henderson <rth@redhat.com>
13385 Merge from gomp branch:
13386 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13387 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13388 and rename from struct inline_data. Rename callee* to dst*;
13389 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13390 transform_new_cfg, transform_return_to_modify, and
13391 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13393 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13394 (copy_decl_for_dup): Remove.
13395 * tree-inline.c (struct inline_data): Move to header.
13396 (insert_decl_map): Export.
13397 (remap_decl): Update for member name changes. Use copy_decl hook.
13398 Allow for replacement to be a non-decl. Remove dead code.
13399 (remap_type_1): Check for existing mapping.
13400 (remap_type): Export.
13401 (remap_decls): Update for member name changes.
13402 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13403 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13404 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13405 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13406 (tree_function_versioning, build_duplicate_type): Likewise.
13407 (copy_body_r): Likewise. Export.
13408 (copy_decl_for_dup): Split into ...
13409 (copy_decl_for_dup_finish, copy_decl_to_var,
13410 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13411 (replace_ref_tree, inlining_p): Remove.
13413 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13415 * ifcvt.c (if_convert): Make it static.
13416 * rtl.h: Remove the prototype for if_convert.
13418 * local-alloc.c (local_alloc): Make it static.
13419 * rtl.h: Remove the prototype for local_alloc.
13421 * loop.c (loop_optimize): Make it static.
13422 * cfgloop.h: Remove the prototype for loop_optimize.
13425 2006-01-16 DJ Delorie <dj@redhat.com>
13427 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13430 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13432 * pa.md: Disparage copies between general and floating-point registers
13433 in 32-bit move patterns.
13435 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13438 * Makefile.in (check-%): Depend on site.exp instead of
13439 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13442 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13444 * global.c (global_alloc): Make it static.
13445 * rtl.h: Remove the prototype for global_alloc.
13447 2006-01-16 Richard Guenther <rguenther@suse.de>
13449 * tree-ssa-alias.c (struct used_part): Add write_only field.
13450 (get_or_create_used_part_for): Initialize it to true.
13451 (create_overlap_variables_for): Don't create structure variables
13452 for structures that only are written to.
13453 (find_used_portions): Handle MODIFY_EXPR to track whether a
13454 structure is only written to.
13456 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13458 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13460 * basic-block.h: Remove the prototype for
13461 partition_hot_cold_basic_blocks.
13463 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13465 * cppspec.c (lang_specific_spec_functions): Remove.
13466 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13467 * gcc.h (lang_specific_spec_functions): Remove.
13468 * gccspec.c (lang_specific_spec_functions): Remove.
13470 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13472 * combine.c (record_value_for_reg): Invalidate registers
13474 (record_dead_and_set_regs_1): Likewise, by passing them to
13475 record_value_for_reg.
13476 (record_dead_and_set_regs): Invalidate stores made by a
13477 call. We do not combine across a call, but we still
13478 relied on equivalences.
13480 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13482 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13483 vrp_int_const_binop returning non-constant nodes.
13485 2006-01-16 Paul Brook <paul@codesourcery.com>
13487 * config/m68k/m68k.c (output_move_const_into_data_reg):
13488 Output correct mnemonic for mvz and mvs.
13490 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13492 * rtl-factoring.c: Add sequence abstraction algorithm.
13493 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13494 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13496 (block_has_preserve_label): New function.
13497 * common.opt: Register new pass.
13498 * Makefile.in: Ditto.
13500 * timevar.def: Ditto.
13501 * tree-pass.h: Ditto.
13502 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13503 * rtl.h (make_jump_insn_raw): Add forward decl.
13504 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13506 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13507 Roger Sayle <roger@eyesopen.com>
13509 * fold-const.c (fold_minmax): New static function.
13510 (fold_binary) <MIN_EXPR>: Call it.
13511 <MAX_EXPR>: Likewise.
13512 * stor-layout.c (place_field): Use DECL_SIZE consistently
13513 in the computation of the new record size.
13515 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13517 * cse.c (cse_condition_code_reg): Make it static.
13518 * rtl.h: Remove the prototype for cse_condition_code_reg.
13520 * combine.c (combine_instructions): Make it static.
13521 * rtl.h: Remove the prototype for combine_instructions.
13523 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13526 * tree.c (get_file_function_name_long): Concatenate the first global
13527 object name with a string derived from the input filename of the object
13530 2006-01-16 Ben Elliston <bje@au.ibm.com>
13532 * config/i386/winnt-stubs.c: Update FSF address.
13533 * config/xtensa/ieee754-df.S: Ditto.
13534 * config/xtensa/ieee754-sf.S: Ditto.
13536 2006-01-14 Ian Lance Taylor <ian@airs.com>
13538 * ifcvt.c (noce_init_if_info): New static function, broken out of
13539 noce_process_if_block.
13540 (noce_process_if_block): Call noce_init_if_info.
13541 (check_cond_move_block): New static function.
13542 (cond_move_process_if_block): New static function.
13543 (process_if_block): Call cond_move_process_if_block.
13545 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13547 * cselib.c (hash_table): Rename to cselib_hash_table.
13548 (cselib_clear_table, discard_useless_values,
13549 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13550 cselib_init, cselib_finish): Adjust uses of hash_table.
13552 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13554 PR tree-optimization/25485
13555 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13556 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13557 is known to be false and true, respectively.
13559 2006-01-14 Richard Guenther <rguenther@suse.de>
13561 PR tree-optimization/22548
13562 PR tree-optimization/22555
13563 PR tree-optimization/22501
13564 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13565 * params.def (salias-max-array-elements): New parameter.
13566 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13567 * doc/invoke.texi (salias-max-array-elements): Document.
13568 * tree-flow-inline.h (var_can_have_subvars): We also handle
13570 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13572 * tree-ssa-structalias.c (params.h): Include.
13573 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13574 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13575 (get_constraint_for): For ADDR_EXPR operating on something
13576 containing an ARRAY_REF, add all subvars to the solution.
13577 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13578 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13579 for creating MUST_DEFs.
13580 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13582 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13584 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13586 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13587 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13588 number_of_iterations_le): New functions.
13589 (number_of_iterations_special): Removed.
13590 (number_of_iterations_exit): Do not use number_of_iterations_special.
13591 * tree.c (unsigned_type_for): Always return integer type.
13593 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13594 Richard Guenther <rguenther@suse.de>
13596 PR rtl-optimization/24257
13597 * gcse.c (find_moveable_store): Only consider a store movable
13598 when the SET_SRC of the insn can be assigned to a register.
13600 2006-01-14 Ian Lance Taylor <ian@airs.com>
13602 * tree.c (tree_not_class_check_failed): New function.
13603 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13604 (tree_not_class_check_failed): Declare.
13606 2006-01-13 Ian Lance Taylor <ian@airs.com>
13608 * reload1.c (do_output_reload): Add assertion rejecting a
13611 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13613 * combine.c (struct reg_stat): Add new fields truncation_label and
13615 (record_value_for_reg): Reset truncated_to_mode.
13616 (record_truncated_value): New function.
13617 (check_promoted_subreg): Call it. Rename to check_conversions.
13618 (combine_instructions): Rename check_promoted_subreg to
13620 (reg_truncated_to_mode): New function.
13621 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13622 (gen_lowpart_or_truncate): New function.
13623 (force_to_mode): Use it instead of gen_lowpart.
13625 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13627 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13628 VAR is a tag, not its type tag.
13630 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13632 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13633 alternatives to match style of other entries.
13634 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13636 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13638 PR tree-optimization/25771
13639 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13642 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13645 * tree-inline.c (declare_return_variable): If the return variable
13646 was marked as a non gimple complex, set the return slot variable
13647 to be a non gimple comple variable.
13649 2006-01-13 Richard Guenther <rguenther@suse.de>
13651 * builtins.c (expand_builtin_sincos): New function.
13652 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13654 (expand_builtin): Expand sincos using expand_builtin_sincos.
13656 2006-01-12 DJ Delorie <dj@redhat.com>
13658 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13659 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13660 so that constant shifts can be split.
13661 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13662 (m32c_valid_pointer_mode): Make static.
13663 (shift_gen_func_for): New.
13664 (m32c_prepare_shift): Use it. Split large const shifts into
13666 * config/m32c/predicates.md (shiftcount_operand): Allow more
13668 (longshiftcount_operand): New.
13669 * doc/md.texi (Machine Constraints): Document In6.
13671 2006-01-13 Ben Elliston <bje@au.ibm.com>
13673 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13674 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13677 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13679 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13680 to try to avoid clobbering pieces of structures when we know
13681 something about the whole structure.
13682 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13684 2006-01-13 Ben Elliston <bje@au.ibm.com>
13686 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13687 return in memory, as this is no limitation is no longer present.
13689 2006-01-12 DJ Delorie <dj@redhat.com>
13691 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13692 mova with fb, and for fb+0 -> An.
13694 * config/m32c/mov.md (peephole2): Fix enabling logic.
13696 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13697 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13698 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13699 FINI_ARRAY_SECTION_ASM_OP): Define.
13701 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13703 (m32c_legitimize_reload_address): New logic to reload FB to An.
13704 (m32c_output_reg_push): Add newline.
13705 (m32c_output_reg_pop): Likewise.
13707 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13709 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13711 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13713 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13715 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13717 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13720 2006-01-11 Ben Elliston <bje@au.ibm.com>
13722 * rtlanal.c (find_reg_note): Assert insn is not null.
13724 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13726 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13729 2006-01-11 Jeff Law <law@redhat.com>
13731 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13733 (mark_threaded_blocks, register_jump_thread): New functions.
13734 (thread_through_all_blocks): Remove unwanted argument. No
13735 longer rely on e->aux to communicate thread target info.
13736 Call mark_threaded_blocks. Release the threaded_blocks
13737 bitmap and threaded_edges vector when complete.
13738 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13739 (threaded_blocks): Remove.
13740 (tree_ssa_dominator_optimize): Remove initialization and
13741 finalization of threaded_blocks. Simplify call to
13742 thread_through_all_blocks.
13743 (thread_across_edge): Call register_jump_thread rather than
13744 storing thread information into e->aux.
13745 (free_all_edge_infos): Simplify now that e->aux is no longer
13746 used to communicate with thread_through_all_blocks.
13747 * tree-flow.h (thread_through_all_blocks): Update prototype.
13748 (register_jump_thread): Prototype.
13750 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13752 * df-core.c (df_compact_blocks, df_bb_replace): Use
13753 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13755 2006-01-11 Richard Guenther <rguenther@suse.de>
13757 PR tree-optimization/25734
13758 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13759 stop propagation after successful propagation to the LHS.
13761 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13763 * basic-block.h (control_flow_graph): Change the type of
13764 x_basic_block_info to VEC(basic_block,gc) *.
13765 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13767 (SET_BASIC_BLOCK): New.
13768 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13769 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13770 * cfgbuild.c (find_basic_blocks): Likewise.
13771 * cfglayout.c (fixup_reorder_chain): Likewise.
13772 * cfgrtl.c (create_basic_block_structure,
13773 rtl_create_basic_block): Likewise.
13774 * ifcvt.c (find_if_case_1): Likewise.
13775 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13778 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13780 * Makefile.in: Removed rotted odf.c entry.
13782 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13785 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13786 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13787 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13788 output pattern modifier, not %e.
13789 * config/cris/cris.c (cris_op_str): Update comment about pattern
13791 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13792 before falling through into...
13793 <case 'E'>: Redefined from old 'e' case.
13795 2006-01-11 Jan Hubicka <jh@suse.cz>
13798 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13800 2006-01-11 Jan Hubicka <jh@suse.cz>
13802 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13803 * i386.c (x86_decompose_lea): Kill.
13804 (ix86_rtx_costs): Kill.
13806 2006-01-11 Jan Hubicka <jh@suse.cz>
13808 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13809 * cgraph.h (cgraph_node): Add inline_decl.
13810 (cgraph_insert_node_to_hashtable): Declare.
13811 (save_inline_function_body): Declare.
13812 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13814 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13815 (cgraph_function_versioning): Update call of tree_function_versioning.
13816 (save_inline_function_body): New function.
13817 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13818 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13819 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13820 (cgraph_default_inline_p): Likewise.
13821 (cgraph_decide_inlining_incrementally): Likewise.
13822 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13823 (copy_bb): Kill saving; do updating of clones.
13824 (copy_cfg_body): Kill saving.
13825 (initialize_inlined-parameters): Likewise.
13826 (expand_call_inline): Likewise.
13828 (tree_function_versioning): New parameter "update_clones".
13829 (inlining_p): Kill saving.
13830 * tree-inline.h (tree_function_versioning): Update prototype.
13831 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13834 2006-01-11 Ian Lance Taylor <ian@airs.com>
13836 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13837 Allow undoing set of machine mode.
13838 (do_SUBST): Use enums instead of is_int.
13839 (do_SUBST_MODE): New function.
13840 (SUBST_MODE): New macro.
13841 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13842 reg and trying to replace reg_regno_rtx with a new register.
13843 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13844 (simplify_set): Use SUBST_MODE.
13845 (distribute_notes): Remove code that tried to update reg notes
13846 for regno_reg_rtx changes.
13848 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13850 PR tree-optimization/23109
13851 PR tree-optimization/23948
13852 PR tree-optimization/24123
13854 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13855 * tree-cfg.c (single_noncomplex_succ): New.
13856 * tree-flow.h (single_noncomplex_succ): Declare it.
13857 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13858 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13859 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13860 insert_bb, register_division_in, insert_reciprocals,
13861 replace_reciprocal, free_bb): New.
13862 (execute_cse_reciprocals_1): Rewritten.
13863 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13864 Do not commit any edge insertion. Always compute dominators and
13865 create the allocation pool.
13866 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13867 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13868 * targhooks.c (default_min_divistions_for_recip_mul): New.
13869 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13870 * passes.c (init_optimization_passes): Run recip after tree loop
13872 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13874 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13875 Kenneth Zadeck <zadeck@naturalbridge.com>
13877 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13878 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13879 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13880 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13881 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13882 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13883 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13884 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13885 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13886 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13887 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13888 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13889 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13890 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13891 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13892 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13893 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13894 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13895 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13896 DF_SCAN_POST_ALLOC): New macros.
13897 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13898 df_free_bb_function, df_local_compute_function, df_init_function,
13899 df_dataflow_function, df_confluence_function_0,
13900 df_confluence_function_n, df_transfer_function,
13901 df_finalizer_function, df_free_function, df_dump_problem_function,
13902 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13903 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13904 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13905 df_urec_bb_info, ) New types.
13906 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13908 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13909 df_analyze_simple_change_some_blocks,
13910 df_analyze_simple_change_one_block, df_compact_blocks,
13911 df_bb_replace, df_bb_regno_last_use_find,
13912 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13913 df_insn_regno_def_p, df_find_def, df_find_use,
13914 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13915 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13916 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13917 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13918 debug_df_chain, df_get_dependent_problem, df_chain_create,
13919 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13920 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13921 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13922 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13923 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13924 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13925 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13926 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13927 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13928 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13929 df_reorganize_refs, df_set_state, df_hard_reg_init,
13930 df_read_modify_subreg_p) New public functions.
13931 * df-core.c: The core dataflow solver and glue routines for rtl
13933 (df_init, df_add_problem, df_set_blocks, df_finish,
13934 df_hybrid_search_forward, df_hybrid_search_backward,
13935 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13936 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13937 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13938 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13939 df_reg_defined, df_find_use, df_reg_used, df_dump,
13940 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13941 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13942 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13943 debug_df_useno, reset_df_after_reload): New functions.
13944 * df-scan.c: The scanning fuctions, once in df.c, completely
13945 rewritten so that they now fully model the functionality of
13946 register usage at the backend.
13947 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13948 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13949 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13950 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13951 df_get_artificial_defs, df_get_artificial_uses,
13952 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13953 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13954 df_refs_delete, df_reorganize_refs, df_set_state,
13955 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13956 df_def_record_1, df_defs_record, df_uses_record,
13957 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13958 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13959 df_record_exit_block_uses, df_hard_reg_init): New functions.
13961 * df-problems.c: Seven concrete dataflow problems that use the
13962 scanning in df-scan.c and are solved by the engine in df-core.c.
13963 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13964 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13965 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13966 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13967 df_ru_free_bb_info, df_ru_alloc,
13968 df_ru_bb_local_compute_process_def,
13969 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13970 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13971 df_ru_transfer_function, df_ru_free, df_ru_dump,
13972 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13973 df_rd_free_bb_info, df_rd_alloc,
13974 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13975 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13976 df_rd_transfer_function, df_rd_free, df_rd_dump,
13977 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13978 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13979 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13980 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13981 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13982 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13983 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13984 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13985 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13986 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13987 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13988 df_urec_mark_reg_use_for_earlyclobber,
13989 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13990 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13991 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13992 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13993 df_chain_create_bb_process_use, df_chain_create_bb,
13994 df_chain_finalize, df_chain_free, df_chains_dump,
13995 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13996 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13997 df_reg_lifetime): New functions.
13998 * df.c: Deleted file.
13999 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14000 consistent with new df api.
14001 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14002 rest_of_handle_sms): Ditto.
14003 * web.c (unionfind_union, union_defs, entry_register, web_main):
14005 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14006 invariant_expr_equal_p, find_defs, check_dependencies,
14007 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14008 free_inv_motion_data, move_loop_invariants): Ditto.
14009 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14010 Update dependencies.
14011 (odf.c): Added defective entry that was deleted later in day.
14012 * sched-deps.c (sched_analyze_1): Ditto.
14014 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14016 * tree-ssa-operands.c (get_expr_operands): Record addressable
14017 variables directly. Do not call add_stmt_operands for CONST_DECLs
14019 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14020 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14022 2006-01-11 Ben Elliston <bje@au.ibm.com>
14024 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14025 function returns true in the positive case.
14027 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14030 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14031 for SI, DI, SF and DF modes. Add alternatives to copy between
14032 general and floating point registers to the 32-bit patterns.
14033 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14034 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14035 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14036 generating 64-bit code.
14037 * config/pa/pa.c (output_move_double): Handle copies between general
14038 and floating registers.
14040 2006-01-10 Stuart Hastings <stuart@apple.com>
14042 * config/i386/i386.md (set_got): Update.
14043 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14044 (builtin_setjmp_receiver): Mach-O support.
14045 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14046 (GOT_SYMBOL_NAME): Define.
14047 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14048 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14049 * config/i386/i386.c (override_options): Revise for Darwin.
14050 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14051 support. (darwin_x86_file_end): New. (output_set_got): Add label
14052 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14053 * config/i386/i386-protos.h (output_set_got): Likewise.
14054 * config/darwin.c (machopic_legitimize_pic_address): Update
14057 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14059 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14060 when MODE isn't BLKmode.
14062 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14064 PR rtl-optimization/25367
14065 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14067 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14070 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14071 for a negative bound.
14073 2006-01-10 Richard Guenther <rguenther@suse.de>
14075 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14076 Never override with anything constraint.
14078 2006-01-10 Jan Beulich <jbeulich@novell.com>
14080 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14081 256 bits when optimize_size.
14083 2006-01-10 Jan Beulich <jbeulich@novell.com>
14085 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14087 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14088 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14091 2006-01-10 Ben Elliston <bje@au.ibm.com>
14093 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14095 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14096 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14097 (USE_FP_FOR_ARG): Reject decimal float modes.
14098 (function_arg_advance): Likewise.
14099 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14100 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14101 point types in AltiVec vectors.
14102 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14103 (rs6000_libcall_value): Likewise.
14105 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14107 * config/xtensa/ieee754-df.S: New file.
14108 * config/xtensa/ieee754-sf.S: New file.
14109 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14110 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14111 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14113 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14115 * config/sh/predicates.md (binary_float_operator,
14116 binary_logical_operator, commutative_float_operator,
14117 equality_comparison_operator, greater_comparison_operator,
14118 less_comparison_operator, logical_operator,
14119 noncommutative_float_operator, shift_operator,
14120 symbol_ref_operand, unary_float_operator): Remove redundant
14123 2006-01-09 Jeff Law <law@redhat.com>
14125 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14126 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14127 now unused arguments. Callers updated.
14128 (eliminate_redundant_computations): Remove now unused arguments,
14130 (local_fold): Remove, no longer used.
14131 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14133 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14134 (simplify_cond): New function.
14135 (forward_propagate_into_cond): Call simplify_cond.
14137 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14139 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14140 (*vec_extractv2di_1_sse): New.
14142 2006-01-09 Ben Elliston <bje@au.ibm.com>
14144 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14146 2006-01-08 Richard Guenther <rguenther@suse.de>
14148 * tree-ssa-structalias.c (get_constraint_for): Remove
14149 anyoffset argument.
14150 (get_constraint_for_component_ref): Likewise.
14151 (do_deref): Likewise.
14152 (get_constraint_for): Likewise.
14153 (do_structure_copy): Likewise.
14154 (handle_ptr_arith): Likewise.
14155 (find_func_aliases): Likewise. Remove unused need_anyoffset
14158 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14159 Kaz Kojima <kkojima@gcc.gnu.org>
14161 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14162 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14163 (EXTRA_CONSTRAINT_C16): Remove.
14164 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14165 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14166 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14167 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14168 constants of SHmedia. Handle nested constant expressions of
14170 (andcosts): Fix the costs for SHmedia constants.
14171 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14172 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14173 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14174 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14175 (movv4hi_i, movv2si_i): Likewise.
14176 (movsi_const): Adjust the second operand of ior so to match with
14177 the Csu constraint.
14178 (movdi_const, movdi_const_32bit): Likewise.
14179 (movdi_const_16bit+1): Don't sign-extend LOW.
14180 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14182 (*double_shori): Fix the split condition. Use GEN_INT instead
14183 of get_int_mode calls. Mask lower 16-bit of the argument of
14185 (sym2GOTPLT): Remove.
14186 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14188 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14189 instead of EXTRA_CONSTRAINT_C16.
14191 2006-01-07 Ian Lance Taylor <ian@airs.com>
14192 David Edelsohn <edelsohn@gnu.org>
14194 PR rtl-optimization/25662
14195 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14196 for constant operands instead of simplify_gen_binary.
14197 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14198 after trying simplify_binary_operation
14200 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14202 * tree.c (iterative_hash_expr): Hash decls based on UID.
14204 2006-01-06 Eric Christopher <echristo@apple.com>
14206 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14207 (TARGET_UNWIND_EMIT): Fix spelling.
14208 * target.h (gcc_target): Add except_table_label.
14209 * except.c (output_function_exception_table): Use.
14210 * varasm.c (default_emit_except_table_label): New.
14211 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14213 (asm_out): Add here.
14214 * output.h (default_emit_except_table_label): Prototype.
14215 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14216 * config/darwin.c (darwin_emit_except_table_label): Define.
14217 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14219 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14221 PR tree-optimization/18527
14222 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14223 number_of_iterations_special, number_of_iterations_exit):
14224 Move base and step of an iv to a single structure. Add
14225 no_overflow flag, and use it in # of iterations analysis.
14226 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14227 folded_casts argument.
14228 (simple_iv): Pass base and step in a structure. Set no_overflow
14230 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14231 Evaluate expensiveness of computing # of iterations instead of
14232 the final expression.
14233 * tree-scalar-evolution.h (affine_iv): New structure.
14234 (simple_iv): Declaration changed.
14235 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14236 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14237 find_givs_in_stmt): Changed due to simple_iv change.
14239 2006-01-06 Jeff Law <law@redhat.com>
14242 * tree-cfg.c (bsi_replace): Rename final argument from
14243 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14244 change (stmt -> orig_stmt).
14245 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14246 (bsi_remove): Add new argument. Remove EH information
14248 (verify_eh_throw_table_statements): New function.
14249 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14251 * tree-optimize.c (execute_free_cfg_annotations): Verify
14252 the EH throw statement table after removing annotations.
14253 * except.h (verify_eh_throw_table_statements): Prototype.
14254 * tree-flow.h (bsi_remove): Update prototype.
14255 * tree-vrp.c (remove_range_assertions): Add new argument to
14257 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14258 * tree-complex.c (expand_complex_div_wide): Likewise.
14259 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14260 * tree-tailcall.c (eliminate_tailcall): Likewise.
14261 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14262 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14263 * tree-nrv.c (tree_nrv): Likewise.
14264 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14265 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14266 (combine_blocks): Likewise.
14267 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14268 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14269 (cleanup_control_flow): Likewise.
14270 (remove_forwarder_block): Likewise.
14271 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14272 * tree-sra.c (sra_replace): Likewise.
14273 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14274 (forward_propagate_single_use_vars): Likewise.
14275 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14276 * tree-inline.c (expand_call_inline): Likewise.
14277 * tree-vect-transform.c (vect_transform_loop): Likewise.
14278 * tree-outof-ssa.c (rewrite_trees): Likewise.
14279 * tree-cfg.c (make_goto_expr_edges): Likewise.
14280 (cleanup_dead_labels): Likewise.
14281 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14282 (bsi_move_before, bsi_move_after): Likewise.
14283 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14284 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14286 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14289 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14291 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14292 on non gimple variables. Also add checks at the top for decls and
14294 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14296 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14297 and IMAGPART_EXPR for creating MUST_DEFs.
14298 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14299 and NAME_MEMORY_TAG separately from the DECLs.
14301 2006-01-06 Richard Guenther <rguenther@suse.de>
14303 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14304 annotation, if necessary.
14305 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14306 redundant calls to update_stmt.
14307 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14310 2006-01-05 Richard Henderson <rth@redhat.com>
14312 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14314 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14316 * c-typeck.c: Update copyright date.
14318 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14320 * c-typeck.c (build_c_cast): Always warn when casting
14321 from a pointer to an integer of different size, even if
14322 the node was constant.
14324 2006-01-05 Richard Guenther <rguenther@suse.de>
14326 PR tree-optimization/22555
14327 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14328 if one structure field is an array.
14329 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14330 operands even if we found a subvar, but ignore VOPs in this
14332 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14334 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14336 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14338 PR middle-end/24998
14339 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14341 2006-01-05 Richard Guenther <rguenther@suse.de>
14342 Diego Novillo <dnovillo@redhat.com>
14344 * tree-pass.h (TODO_remove_unused_locals): Define.
14345 * gimple-low.c (expand_var_p, remove_useless_vars,
14346 pass_remove_useless_vars): Remove. Update all users.
14347 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14348 (remove_unused_locals): New function.
14349 * tree-flow.h (remove_unused_locals): Declare.
14350 * passes.c (execute_todo): Call remove_unused_locals if
14351 TODO_remove_unused_locals is set.
14352 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14353 * tree-ssa-dce.c (pass_dce): Likewise.
14354 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14356 2006-01-05 Richard Guenther <rguenther@suse.de>
14358 * tree-flow.h (struct fieldoff): Decompose field to
14359 type, size and decl.
14360 * tree-ssa-alias.c (create_sft): Take type as parameter.
14361 (create_overlap_variables_for): Store type, size and decl
14362 in the fieldoff structure.
14363 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14364 of struct fieldoff.
14365 (push_fields_onto_fieldstack): Likewise.
14366 (create_variable_info_for): Likewise. Use offset for the
14367 SFT name if the decl is not available.
14369 2006-01-04 Paul Brook <paul@codesourcery.com>
14371 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14373 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14375 * lambda-code.c (can_put_in_inner_loop): Relax
14377 (can_put_after_inner_loop): New function.
14378 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14379 (perfect_nestify): Change to make copies and modify uses.
14381 2006-01-04 Richard Henderson <rth@redhat.com>
14383 Merge from gomp branch:
14384 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14385 via integer constant.
14386 (pragma_lex): Remove.
14387 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14388 rather than parsing it.
14389 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14390 handle_pragma_extern_prefix): Add %< %> quotes.
14391 (registered_pragmas): New.
14392 (c_register_pragma_1): New.
14393 (c_register_pragma): Use it.
14394 (c_register_pragma_with_expansion): Likewise.
14395 (c_invoke_pragma_handler): New.
14396 (init_pragma): Use cpp_register_deferred_pragma directly for
14398 * c-pragma.h (enum pragma_kind): New.
14399 (pragma_handler): New.
14400 (c_invoke_pragma_handler): Declare.
14401 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14403 * c-common.h (c_common_pch_pragma): Update decl.
14404 * Makefile.in (c-parser.o): Update dependencies.
14405 (GTFILES): Add c-pragma.h.
14406 * c-parser.c (struct c_token): Add pragma_kind.
14407 (struct c_parser): Add in_pragma.
14408 (c_lex_one_token): Always initialize keyword and pragma_kind.
14409 Extract data for CPP_PRAGMA.
14410 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14411 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14412 Don't allow CPP_PRAGMA_EOL if in_pragma.
14413 (c_parser_consume_pragma): New.
14414 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14415 (c_parser_skip_to_end_of_parameter): Likewise.
14416 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14417 (c_parser_skip_to_pragma_eol): New.
14418 (c_parser_external_declaration): Handle CPP_PRAGMA.
14419 (c_parser_compound_statement_nostart): Likewise.
14420 (c_parser_statement_after_labels): Likewise.
14421 (c_parser_pragma): New.
14422 (pragma_lex): Likewise.
14423 (c_parser_pragma_pch_preprocess): New.
14424 (c_parser_new): Merge into ...
14425 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14427 2006-01-04 Jeff Law <law@redhat.com>
14430 * tree-cfg.c (bsi_replace): Remove the original statement
14431 from the EH throw statement table.
14433 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14435 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14436 make the prototype extern "C" and add throw ().
14439 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14440 and pos non-negative and pos + len <= 32.
14441 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14442 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14443 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14446 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14447 as well as sizes not multiple of component size.
14450 * function.c (instantiate_expr): New function.
14451 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14452 walk its DECL_VALUE_EXPR with instantiate_expr.
14454 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14455 DW_OP_deref{,_size} if address isn't going to be added.
14457 2006-01-04 Ben Elliston <bje@au.ibm.com>
14459 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14460 * config/fp-bit.c: Likewise.
14462 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14464 * dominance.c: Add comment about why we use DFS numbering
14467 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14468 Richard Henderson <rth@redhat.com>
14470 Merge from gomp-branch:
14471 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14472 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14474 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14476 PR rtl-optimization/25578
14477 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14478 pass a parameter to simplify_shift_const if changing ASHIFTRT
14481 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14483 * builtins.c (get_builtin_sync_mem): New function.
14484 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14485 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14486 Call get_builtin_sync_mem to generate mem rtx.
14488 2006-01-03 Richard Guenther <rguenther@suse.de>
14491 * stmt.c (add_case_node): Make sure to clear overflow flags
14494 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14496 Merge from gomp-branch.
14497 * config/sparc/sync.md: New file.
14498 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14499 UNSPECV_LDSTUB): New constants.
14500 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14501 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14502 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14505 2006-01-03 Roger Sayle <roger@eyesopen.com>
14507 * combine.c (reg_subword_p): New predicate to test whether the
14508 destination of a set refers to a subword/piece of a register.
14509 (try_combine): Generalize the code to merge the setting of a
14510 pseudo to a constant followed by a set of a subword of that
14511 register to a constant.
14513 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14515 * basic-block.h (control_flow_graph): Change the type of
14516 x_label_to_block_map to VEC(basic_block,gc) *.
14517 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14518 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14520 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14521 VEC(basic_block,heap) *.
14522 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14523 ssa_prop_fini): Adjust the uses of cfg_blocks.
14525 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14527 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14529 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14530 hashing trees instead of a pointer hash.
14531 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14532 compare for MEM_EXPR.
14534 PR rtl-optimization/25130
14535 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14536 when comparing MEMs for GCSE
14538 2006-01-03 Ben Elliston <bje@au.ibm.com>
14540 * targhooks.h (default_decimal_float_supported_p): Declare.
14541 * targhooks.c (default_decimal_float_supported_p): Define.
14542 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14543 `default_decimal_float_supported_p'.
14544 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14546 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14548 * combine.c (apply_distributive_law <SUBREG>): Check
14549 TRULY_NOOP_TRUNCATION.
14551 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14553 * dwarf2out.c (have_switched_text_section): Delete.
14554 (have_multiple_function_sections): New.
14555 (have_location_lists): Make 'bool'.
14556 (add_AT_loc_list): Use 'true' not '1'.
14557 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14558 (output_loc_list): Use have_multiple_function_sections.
14559 (output_ranges): Likewise.
14560 (dwarf2out_begin_function): Set have_multiple_function_sections if
14562 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14563 Check function_section rather than DECL_SECTION_NAME.
14564 (dwarf2out_finish): Use have_multiple_function_sections.
14565 Don't clear have_location_lists.
14567 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14568 Jan Hubicka <jh@suse.cz>
14570 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14571 case of conditional jump jumping to the next instruction.
14572 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14573 cases of conditional jump jumping to the next instruction.
14575 2006-01-02 Jan Hubicka <jh@suse.cz>
14577 * i386.c (*_cost): Add COSTS_N_INSNS.
14578 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14580 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14583 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14585 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14587 * config/arm/arm.c (all_fpus): Fix comment typo.
14588 * config/darwin.c: Likewise.
14589 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14590 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14591 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14593 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14595 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14596 (rs6000_split_compare_and_swapqhi): New.
14597 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14598 (sync_compare_and_swapqhi_internal): New.
14599 * config/rs6000/rs6000-protos.h: Declare.