1 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5 (canonicalize_induction_variables): Likewise.
6 (tree_unroll_loops_completely): Likewise.
7 (tree_ssa_prefetch_arrays): Likewise.
8 (remove_empty_loops): Likewise.
9 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
10 TODO_cleanup_cfg instead of directly calling
11 cleanup_tree_cfg_loop.
12 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
14 (tree_unroll_loops_completely): Likewise.
15 (remove_empty_loops): Likewise.
16 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
17 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
18 of tree_ssa_unswitch_loops.
19 (tree_ssa_loop_ivcanon): Use the return value of
20 canonicalize_induction_variables.
21 (tree_ssa_empty_loop): Use the return value of
23 (tree_complete_unroll): Use the return value of
24 tree_unroll_loops_completely.
25 (tree_ssa_loop_prefetch): Use the return value of
26 tree_ssa_prefetch_arrays.
27 * passes.c (execute_todo): Before Cleanup CFG, set
28 updating_used_alone and after cleanup CFG, call
29 recalculate_used_alone.
31 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
34 * tree-vect-transform.c (vectorizable_condition): Move the check
35 for the type after the check for simple condition.
37 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
38 Kaz Kojima <kkojima@gcc.gnu.org>
41 * mode-switching.c (optimize_mode_switching): Make the destination
42 block of an abnormal edge have no anticipatable mode. Don't
43 insert mode switching code at the end of the source block of
46 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
48 PR rtl-optimization/26847
49 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
50 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
51 (simplify_plus_minus): Count n_constants while filling ops. Replace
52 qsort with insertion sort. Before going through the array to simplify
53 pairs, sort it. Delay early exit until after the first sort, exiting
54 only if no swaps occurred. Simplify pairs in reversed order, without
55 special-casing the first iteration. Pack ops after simplifying pairs.
57 2006-09-05 Anatoly Sokolov <aesok@post.ru>
59 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
60 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
61 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
62 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
64 2006-09-05 Richard Guenther <rguenther@suse.de>
66 PR tree-optimization/28900
67 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
68 compound conditional before creating COND_EXPR condition.
70 2006-09-05 Richard Guenther <rguenther@suse.de>
72 PR tree-optimization/28905
73 * tree-vrp.c (fix_equivalence_set): Manually implement
74 !value_ranges_intersect_p to also handle symbolic ranges.
76 2006-09-05 Richard Guenther <rguenther@suse.de>
79 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
82 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
84 PR rtl-optimization/27616
85 * cse.c (table_size): New static variable.
86 (new_basic_block): Initialize it to 0.
87 (remove_from_table): Decrement it.
88 (insert): Increment it.
89 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
90 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
91 fold_rtx_mem_1 if under the cap.
92 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
93 the lookup of the equivalent expression and test for equality of the
94 first operand of the equivalent expression before in turn looking up
95 an equivalent constant for the second operand.
97 2006-09-02 Geoffrey Keating <geoffk@apple.com>
100 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
101 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
102 pointer, instead of assuming it is possible to derive the
103 correct args size from a call insn.
105 2006-09-02 Jakub Jelinek <jakub@redhat.com>
108 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
109 (fold_builtin_mempcpy): Rename to...
110 (fold_builtin_memory_op): ... this. Optimize one element copy
112 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
114 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
115 (expand_builtin_memcpy, expand_builtin_mempcpy,
116 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
117 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
118 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
119 BUILT_IN_MEM{CPY,PCPY,MOVE}.
121 2006-09-01 DJ Delorie <dj@redhat.com>
123 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
125 ("stzx_24_<mode>"): Likewise.
126 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
127 ("cmp<mode>_op"): New.
128 (cmp<mode>): Change to expander; just save operands.
130 (b<code>): Change to expander, emit compare here.
131 (s<code>_op): Change to use split and expander.
132 (s<code>_24_op): Likewise.
133 (s<code>_<mode>): New.
134 (s<code>_<mode>_24): New.
135 (movqicc_<code>_<mode): New.
136 (movhicc_<code>_<mode>): New.
139 * config/m32c/m32c.c (compare_op0, compare_op1): New.
140 (m32c_pend_compare): New.
141 (m32c_unpend_compare): New.
142 (m32c_expand_scc): New.
143 (m32c_expand_movcc): Emit the compare also.
144 * config/m32c/predicates.md (mra_nopp_operand): New.
146 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
147 Richard Guenther <rguenther@suse.de>
148 Adam Nemet <anemet@caviumnetworks.com>
151 * builtins.c (get_pointer_alignment): Handle more forms
152 of base addresses that can be used to derive more precise
153 information about alignment.
155 2006-09-01 Jason Merrill <jason@redhat.com>
158 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
161 * gimplify.c (voidify_wrapper_expr): Handle null type.
163 2006-09-01 Josh Conner <jconner@apple.com>
166 * tree-nrv.c (dest_safe_for_nrv_p): New function.
167 (execute_return_slot_opt): Use it.
169 2006-08-31 Josh Conner <jconner@apple.com>
172 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
173 returning aggregates.
175 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
177 PR tree-optimization/28839
178 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
179 blocks in that phi arguments appear.
181 2006-08-31 Roger Sayle <roger@eyesopen.com>
184 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
185 NULL, otherwise use an advance_loc4 to adjust relative to the
187 (output_cfi) <DW_CFA_set_loc>: Update the current label.
188 (dwarf2out_switch_text_section): Reset the current label to avoid
189 using advance_loc4 over section boundaries.
191 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
194 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
195 r12 + SYMBOLIC_CONST.
197 2006-08-30 Richard Guenther <rguenther@suse.de>
199 * Makefile.in (see.o): Add $(EXPR_H) dependency.
201 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
203 PR rtl-optimization/27735
204 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
205 Add new argument to keep track of whether an irreducible region
206 was affected. All callers changed.
207 (fix_irreducible_loops): Removed.
208 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
209 flags were invalidated.
211 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
213 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
214 instead of SF operands.
215 (*fop_df_comm_sse): Likewise.
216 (*fop_df_comm_i387): Likewise.
217 (*fop_df_1_mixed): Likewise.
218 (*fop_df_1_sse): Likewise.
220 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
221 J"orn Rennecke <joern.rennecke@st.com>
223 PR tree-optimization/17506
224 * tree-ssa.c (warn_uninit): If warning about a location outside of
225 the current function, note where the variable was declared.
227 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
229 PR tree-optimization/28411
230 * double-int.c (double_int_div): Use double_int_divmod.
231 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
232 double_int_mod, double_int_smod, double_int_umod): New functions.
233 * double-int.h (double_int_divmod, double_int_sdivmod,
234 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
236 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
238 (get_computation_aff, get_computation_cost_at): Handle double_int
239 return type of constant_multiple_of.
241 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
244 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
245 an implicit conversion.
247 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
249 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
251 2006-08-27 Roger Sayle <roger@eyesopen.com>
253 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
256 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
258 * config/i386/crtfastmath.c: Fix a comment typo.
260 2006-08-26 Roger Sayle <roger@eyesopen.com>
262 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
263 temporary visit flags on CASE_LABEL_EXPRs.
264 * c-common.c (match_case_to_enum): Add function comment. Avoid
265 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
266 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
267 CASE_HIGH_SEEN for enumerated types. If the switch expression is
268 a constant, only warn if that constant value isn't handled.
270 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
273 * input.h (restore_input_file_stack): Declare.
274 (INPUT_FILE_STACK_BITS): Define.
275 * toplev.c (fs_p, input_file_stack_history,
276 input_file_stack_restored, restore_input_file_stack): New.
277 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
278 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
279 (pop_srcloc): Don't free old state of stack.
281 2006-08-26 David Edelsohn <edelsohn@gnu.org>
284 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
285 (PowerPC Type Attributes): New.
287 2006-08-26 Bob Wilson <bob.wilson@acm.org>
289 * config/xtensa/xtensa.c (function_arg_boundary): New.
290 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
292 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
293 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
295 2006-08-26 Jakub Jelinek <jakub@redhat.com>
298 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
301 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
303 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
304 (verify_local_live_at_start): Likewise.
306 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
309 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
310 omp_add_variable): Treat sizes as variable whenever not
313 2006-08-26 Richard Guenther <rguenther@suse.de>
316 * fold-const.c (fold_binary): Fold temporary to correct
317 type before constructing new comparison.
319 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
322 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
323 variable again if DECL_SEEN_IN_BIND_EXPR_P.
325 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
328 * c-decl.c (start_function): Don't try to process prototype
329 information from old declaration that isn't a function.
331 2006-08-25 Jan Hubicka <jh@suse.cz>
334 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
336 2006-08-25 Alan Modra <amodra@bigpond.net.au>
339 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
342 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
344 PR tree-optimization/16876
345 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
346 exit if PARM doesn't match VALUE.
348 2006-08-25 Bob Wilson <bob.wilson@acm.org>
350 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
351 literal_prefix directive.
352 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
353 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
354 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
356 2006-08-25 David Edelsohn <edelsohn@gnu.org>
359 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
360 predicate to general_operand. Add 0->y and I->r alternatives.
362 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
364 * doc/tm.texi: Fix a typo.
365 * predict.c: Fix comment typos.
367 2006-08-25 Nick Clifton <nickc@redhat.com>
369 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
370 assertions of "cpu" and "machine".
372 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
375 * tree-ssa-operands.c (access_can_touch_variable): Don't say
376 the access through a base which has an alias set of 0 cannot
379 2006-08-24 Bill Wendling <wendling@apple.com>
381 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
383 2006-08-24 Jan Hubicka <jh@suse.cz>
385 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
387 2006-08-24 Jan Hubicka <jh@suse.cz>
390 * cgraph.c: Fix comments.
391 (cgraph_varpool_mark_needed_node): Mark only variables not already
393 * cgraphunit.c: Update comments; include gt-cgraphunit.h
394 (cgraph_varpool_assembled_nodes_queue): New static variable.
395 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
396 (cgraph_varpool_output_debug_info): New function.
397 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
398 * Makefile.in: Add gt-cgraphunit.h
400 2006-08-24 Jan Hubicka <jh@suse.cz>
402 * predict.c (probability_reliable_p): New predicate.
403 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
404 (predict_loops): Do not predict loop exit with less than 2%
406 * basic-block.h (edge_probability_reliable_p,
407 br_prob_note_reliable_p): Declare.
408 * ia64.h (ia64_print_operand): Do not disable on-chip branch
409 prediction when static predictor is not reliable.
410 * rs6000.c (output_cbranch): Likewise.
412 2006-08-23 Stuart Hastings <stuart@apple.com>
415 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
416 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
418 2006-08-21 Geoffrey Keating <geoffk@apple.com>
421 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
422 complex values, nor for generic vector values.
424 2006-08-22 Richard Guenther <rguenther@suse.de>
427 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
428 parameter. Convert arguments to arithmetic expression to the
430 (analyze_scalar_evolution_1): Adjust caller.
432 2006-08-22 Jan Hubicka <jh@suse.cz>
434 Patch by Paolo Bonzini
435 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
438 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
440 PR tree-optimization/28003
441 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
442 before grouping aliases.
444 2006-08-22 Roger Sayle <roger@eyesopen.com>
446 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
447 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
449 2006-08-21 Jason Merrill <jason@redhat.com>
452 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
453 wrapper. Loop to handle nested wrappers.
454 (gimplify_bind_expr): Remove temp parameter.
455 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
456 and STATEMENT_LIST on the rhs.
457 (gimplify_statement_list): Voidify the STATEMENT_LIST.
458 (gimplify_expr): Pass pre_p to gimplify_statement_list.
459 (gimplify_target_expr): Remove special BIND_EXPR handling.
461 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
463 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
466 2006-08-21 Olivier Hainque <hainque@adacore.com>
468 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
469 Arrange for the temporary captures of components overlapping the lhs
470 to happen before the lhs is possibly cleared.
472 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
474 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
475 necessary places to pass the correct "number of registers" values
478 2006-08-20 Jan Hubicka <jh@suse.cz>
480 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
481 (create_name_tags): Instead of quadratic checking use hashtable.
482 * bitmap.h: Include hashtab.h.
483 (bitmap_hash): Declare.
484 * bitmap.c (bitmap_hash): New function.
486 2006-08-20 Jan Hubicka <jh@suse.cz>
488 PR rtl-optimization/28071
489 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
491 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
492 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
493 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
494 cgraph_decide_inlining_incrementally): Update use of
495 cgraph_check_inline_limits.
496 * cgraph.c (edge_hash, edge_eq): New function.
497 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
498 cgraph_edge_remove_caller, cgraph_node_remove_callees,
499 cgraph_remove_node): Maintain call site hash.
500 * cgraph.h (struct cgraph_node): Add call_site_hash.
501 (cgraph_set_call_stmt): New function.
503 2006-08-20 Jan Hubicka <jh@suse.cz>
505 PR rtl-optimization/28071
506 * reload1.c (reg_has_output_reload): Turn into regset.
507 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
508 choose_reload_regs, emit_reload_insns): Update to new
509 reg_has_output_reload.
511 2006-08-20 Jan Hubicka <jh@suse.cz>
514 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
516 * cgraphunit.c (cgraph_analyze_function): Don't do so.
518 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
521 * tree.c (handle_dll_attribute): Return early if not a
522 var or function decl.
524 2006-08-18 Joseph Myers <joseph@codesourcery.com>
527 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
528 alignment of SPE vector types.
530 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
532 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
534 2006-08-17 Jakub Jelinek <jakub@redhat.com>
537 * cgraph.h (struct cgraph_node): Remove externally_visible
539 * cgraphunit.c (process_function_and_variable_attributes): Set
540 local.externally_visible rather than externally_visible.
543 * c-common.c (handle_externally_visible_attribute): First look
544 at TREE_CODE and only if it is function or var decl, check for
545 non-public objects. Don't warn for DECL_EXTERNAL.
546 * cgraphunit.c (process_function_and_variable_attributes): Warn
547 if externally_visible attribute is used on non-public object.
549 2006-08-17 Jan Hubicka <jh@suse.cz>
551 PR tree-optimization/27865
552 * reload1.c (forget_marked_reloads): New function.
553 (forget_old_reloads_1): When data are passed, just mark the registers
555 (reload_as_needed): Use the new mechanizm.
557 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
560 * reload.h (reg_equiv_alt_mem_list): New declaration.
561 * reload1.c (reg_equiv_alt_mem_list): New definition.
562 (reload): Initialize it and release it.
563 (delete_output_reload): Use it.
564 * reload.c (push_reg_equiv_alt_mem): New function.
565 (find_reloads_toplev): Call it.
566 (find_reloads_address, find_reloads_address_1): Likewise.
567 (find_reloads_subreg_address): Likewise.
569 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
571 PR rtl-optimization/28489
572 * sched-ebb.c (begin_schedule_ready): Create basic block
574 (advance_target_bb): Skip empty blocks.
575 * haifa-sched.c (bb_note): Make global.
576 * sched-int.h (bb_note): Add prototype.
578 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
580 PR tree-optimization/27865
581 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
583 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
584 fold_used_pointer, pointer_used_p): New functions.
585 (analyze_scalar_evolution_1): Use fold_used_pointer.
586 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
587 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
590 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
593 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
594 or the INTEGER_CST. Fail on a CALL_EXPR.
595 (fold_offsetof): Pass new argument to fold_offsetof_1.
596 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
597 operand into an INDIRECT_REF.
598 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
600 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
602 PR gcov/profile/26570
603 * value-prof.c (static_values): Removed.
604 (tree_find_values_to_profile): Do not set static_values.
605 (find_values_to_profile): Do not free static_values.
606 * profile.c (instrument_values): Do not free the values.
607 (branch_prob): Free the values.
609 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
611 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
613 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
616 * c-typeck.c (build_component_ref): Combine qualifiers of
617 structure or union and field.
619 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
621 PR rtl-optimization/28071
622 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
623 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
624 * tree-into-ssa.c (struct dom_dfsnum): New.
625 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
627 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
628 compute_global_livein.
629 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
630 in phi nodes in the correct blocks.
632 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
634 PR tree-optimization/28364
635 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
637 (fold_affine_expr): New function.
638 (may_eliminate_iv): Use fold_affine_expr.
640 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
643 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
646 2006-08-16 Mike Stump <mrs@apple.com>
648 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
649 * doc/cppopts.texi (-MD): Likewise.
651 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
654 * c-common.c (handle_weak_attribute): Ignore and warn if
655 not a FUNCTION_ or VAR_DECL.
657 2006-07-15 Mike Stump <mrs@apple.com>
660 * c-parser.c (c_parser_typeof_specifier): Don't use
661 c_finish_expr_stmt, open code desired semantics instead.
663 2006-08-15 Nick Clifton <nickc@redhat.com>
665 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
666 fragment to tmake_file only if threads are enabled.
667 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
668 * config/i386/t-gthr-win32: New file. ... here.
670 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
673 * c-parser.c (c_parser_compound_statement_nostart): Reset
674 parser->error after each statement.
676 2006-08-15 Jakub Jelinek <jakub@redhat.com>
679 * omp-low.c (lower_omp_parallel): Convert t to
680 receiver_decl's type.
681 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
682 source before comparison.
685 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
686 to itype in assignment to oldival2.
688 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
692 * c-typeck.c (build_compound_expr): If the second expression
693 is an error mark, then just return an error mark instead of
694 creating a COMPOUND_EXPR.
696 2006-07-14 Mike Stump <mrs@apple.com>
698 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
700 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
702 * c-decl.c, var-tracking.c: Fix comment typos.
704 2006-08-14 Richard Sandiford <richard@codesourcery.com>
706 PR rtl-optimization/28634
707 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
708 for floating-point modes unless flag_unsafe_math_optimizations.
710 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
711 Andrew Pinski <pinskia@physics.uc.edu>
714 * tree.c (build_array_type): Unify array types with
715 unspecified index_type.
716 * c-decl.c (grokdeclarator): Make sure we do not modify a
717 unified incomplete array type.
718 * c-typeck.c (store_init_value): Create distinct type before
719 filling in the index type in an initializer from a compound
722 * c-decl.c (grokdeclarator): Remove code where we copy the
725 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
727 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
728 into account for TODO_dump_cgraph.
729 (TODO_update_ssa_no_phi): Likewise.
730 (TODO_update_ssa_full_phi): Likewise.
731 (TODO_update_ssa_only_virtuals): Likewise.
732 (TODO_remove_unused_locals): Likewise.
733 (TODO_set_props): Likewise.
734 (TODO_update_stmt_usage): Likewise.
736 2006-08-13 Dirk Mueller <dmueller@suse.de>
738 * c-common.c (strict_aliasing_warning): Fix formatting.
740 2006-08-13 Matthias Klose <doko@debian.org>
742 * doc/invoke.texi: Fix spelling errors.
744 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
746 PR rtl-optimization/23454
747 * reorg.c (relax_delay_slots): Update comment.
749 2006-08-11 Richard Guenther <rguenther@suse.de>
752 * simplify-rtx.c (simplify_const_relational_operation):
753 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
756 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
758 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
759 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
761 2006-08-10 Paul Brook <paul@codesourcery.com>
763 * final.c (final_scan_insn): Clear current_insn_predicate before
764 outputting inline asm.
766 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
768 PR tree-optimization/26197
769 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
770 get_ref_base_and_extent and overlap_subvar to add only relevant
771 subvars as may-aliases.
772 (add_may_alias_for_new_tag): New function, factored out of
774 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
775 with additional argument.
776 * tree-flow.h (new_type_alias): Takes additional argument.
778 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
780 * gcov.c (no_data_file): New flag.
781 (read_count_file): Set it if data file not present. Assume counts
783 (output_lines): Don't name the data file, if there wasn't one.
785 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
787 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
788 (rs6000_generate_compare): Tweak comments.
789 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
791 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
793 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
794 (var_debug_decl): New function.
795 (var_reg_set): Follow debug decl link. Add location even if
796 reg is already known to hold some other variable.
797 (var_mem_set): Follow debug decl link.
798 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
799 decl link. Delete other known locations of the variable part
801 (var_reg_delete, var_mem_delete): Delete other known locations
802 of the variable part if requested.
803 (same_variable_part_p): New function.
804 (add_stores): Select MO_COPY when appropriate.
805 (vt_initialize): Handle it.
806 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
807 known locations for MO_SET and MO_CLOBBER.
808 (find_variable_location_part): New function.
809 (set_variable_part, delete_variable_part): Use it.
810 (clobber_variable_part): New function.
811 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
814 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
816 PR tree-optimization/26969
817 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
818 with an empty list of PHIs.
820 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
824 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
827 2006-08-06 Andreas Schwab <schwab@suse.de>
829 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
830 string. Whitespace and comment fixup.
832 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
835 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
839 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
842 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
844 2006-08-04 Jan Hubicka <jh@suse.cz>
848 * reload.c (push_reload): Patch out the mismatching instruction;
850 (find_reload): Bail out if the instruction was patched out.
852 2006-08-04 Jan Hubicka <jh@suse.cz>
854 PR tree-optimization/24888
855 * tree-inline.c (expand_call_inline): Do not re-record variables.
856 (declare_inline_vars): Add variable to unexpanded_var_list.
858 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
859 Roger Sayle <roger@eyesopen.com>
861 PR rtl-optimization/26244
862 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
863 inner_const are negative or greater than or equal to the bitsize of
864 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
865 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
866 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
867 CONST0_RTX (mode) when the new shift count is greater than or equal to
868 to the bitsize of the object being shifted and XEXP (y, 0) has no side
871 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
873 * tree-cfg.c: Fix a comment typo.
875 2006-08-03 Mark Mitchell <mark@codesourcery.com>
878 * varasm.c (output_constant): Give the front end another chance to
879 expand constants, after stripping NOPs.
881 2006-08-03 Jan Hubicka <jh@suse.cz>
883 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
886 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
888 PR tree-optimization/27770
889 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
890 declaration removed (moved to tree-flow.h).
891 (vect_can_force_dr_alignment_p): Likewise.
892 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
893 (moved from tree-vectorizer.h).
894 (vect_can_force_dr_alignment_p): Likewise.
895 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
896 from outside the vectorizer - in particular from cgraph stage.
897 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
898 the alignment of global arrays when -fsection-anchors is enabled.
899 * cgraphunit.c (cgraph_increase_alignment): New function.
900 (cgraph_optimize): Call cgraph_increase_alignment.
902 2006-08-03 David Edelsohn <edelsohn@gnu.org>
905 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
906 not reload a SPE symbol_ref into a lo_sum address.
908 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
911 * dwarf2out.c (prune_unused_types_prune): Move call to
912 prune_unused_types_update_strings to cover the parent DIE also.
914 2006-08-02 Jan Hubicka <jh@suse.cz>
916 PR gcov/profile/28480
917 * tree-cfg.c (change_bb_for_stmt): New function.
918 (tree_merge_blocks, tree_split_blocks): Use it.
920 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
926 * toplev.c (compile_file): Return early on errorcount or sorrycount.
927 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
928 (cgraph_optimize): Likewise.
930 2006-08-01 Stuart Hastings <stuart@apple.com>
932 * rtl.h (UINTVAL) New.
933 * config/rs6000/rs6000.c (SMALL_INT) Use it.
934 * testsuite/gcc.dg/20060801-1.c: New.
936 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
939 * c-typeck.c (build_external_type): Mark used enum types.
940 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
942 (gen_subprogram_die): Whitespace fix.
944 2006-08-01 Jan Hubicka <jh@suse.cz>
946 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
947 bitmap when not needed.
948 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
951 2006-08-01 Dirk Mueller <dmueller@suse.de>
953 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
955 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
957 * Makefile.in: Revert part of previous patch:
958 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
961 2006-07-30 Eric Christopher <echristo@apple.com>
964 * doc/extend.texi (i386 Variable Attributes): Add anchor.
965 (PowerPC Variable Attributes): New section.
967 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
969 PR target/28126 (partial fix)
970 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
972 2006-07-28 Jan Hubicka <jh@suse.cz>
974 PR rtl-optimization/28071
975 * cfgrtl.c (rtl_delete_block): Free regsets.
976 * flow.c (allocate_bb_life_data): Re-use regsets if available.
978 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
980 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
981 and variables used in dependencies.
983 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
985 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
986 %fs for -mcmodel=kernel.
987 (stack_tls_protect_test_di): Likewise.
989 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
991 * Makefile.in: Use mkinstalldirs.
993 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
996 * opts-common.c (prune_options): Skip joined switches.
998 2006-07-27 Jan Hubicka <jh@suse.cz>
1000 PR rtl-optimization/28071
1001 * cselib.c (cselib_process_insn): Don't remove useless values too
1002 often for very large hashtables.
1004 2006-07-27 Jan Hubicka <jh@suse.cz>
1006 PR rtl-optimization/28071
1007 * global.c (greg_obstack): New obstack.
1008 (allocate_bb_info): Use it.
1009 (free_bb_info): Likewise.
1010 (modify_reg_pav): Likewise.
1012 2006-07-27 Roger Sayle <roger@eyesopen.com>
1014 * builtins.c (fold_fixed_mathfn): When long and long long are the
1015 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1016 functions to their lceil*, lfloor*, lround* and lrint* forms.
1018 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1021 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1023 (rev_branch_insn): Likewise.
1025 2006-07-27 Jan Hubicka <jh@suse.cz>
1027 PR rtl-optimization/28071
1028 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1029 (reg_set_in_bb, max_reg_computed): New static variables.
1030 (regmove_optimize): Free the new array.
1031 (fixup_match_1): Update call of reg_is_remote_constant_p.
1033 2006-07-26 Jan Hubicka <jh@suse.cz>
1035 PR tree-optimization/27882
1036 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1038 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1040 (cgraph_analyze_compilation_unit): Likewise.
1041 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1042 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1043 (cgraph_early_inlinine): Make order garbage collected.
1044 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1046 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1048 * dbxout.c (output_types_sort): Add a comment.
1049 (output_used_types): Free the VEC.
1051 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1053 * function.c (reorder_fix_fragments): Delete.
1054 (reorder_blocks): Don't call it.
1055 (reorder_blocks_1): Put all subblocks under the origin block.
1057 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1059 PR rtl-optimization/27907
1060 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1063 2006-07-25 Roger Sayle <roger@eyesopen.com>
1066 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1067 bar(x) check that bar's result type can represent all the values of T.
1069 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1071 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1073 2006-07-25 Nick Clifton <nickc@redhat.com>
1075 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1076 size_lookup[] array.
1077 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1078 (ggc_pch_count_object): Likewise.
1079 (ggc_pch_alloc_object): Likewise.
1080 (ggc_pch_write_object): Likewise.
1081 (init_ggc): Do not attempt to initialize entries in the
1082 size_lookup[] array for objects whose size is greater than than
1083 the length of the array.
1085 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1087 * dbxout.c (output_used_types_helper): Push queued types
1089 (output_types_sort): New.
1090 (output_used_types): Collect used types on a VEC and sort them
1093 2006-07-24 Richard Guenther <rguenther@suse.de>
1096 * cgraph.c (cgraph_remove_node): Do not check if dumps
1098 * cgraphunit.c (cgraph_optimize): Likewise.
1100 2006-07-24 Jan Hubicka <jh@suse.cz>
1102 PR rtl-optimization/28071
1103 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1104 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1105 splitting before first stmt.
1107 2006-07-24 Jan Hubicka <jh@suse.cz>
1109 PR rtl-optimization/28071
1110 * ipa-inline.c (update_caller_keys): Remove edges that
1111 are no longer inline candidates.
1113 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1116 * dbxout.c (output_used_types_helper, output_used_types): New.
1117 (dbxout_symbol): Call output_used_types.
1119 2006-07-23 Jan Hubicka <jh@suse.cz>
1123 * cgraph.c (cgraph_varpool_nodes): Export.
1124 (decide_is_variable_needed): Ignored "used" attribute in
1125 unit-at-a-time mode.
1126 * cgraph.h (cgraph_varpool_nodes): Declare.
1127 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1128 unit-at-a-time mode.
1130 2006-07-23 Roger Sayle <roger@eyesopen.com>
1133 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1134 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1135 the __gthrw form of thr_keycreate.
1136 (__gthread_key_delete): Silence the unused argument warning.
1138 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1141 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1142 Cache the last found '\0' marker to avoid quadratic behavior.
1144 2006-07-23 Jan Hubicka <jh@suse.cz>
1146 * i386.md (subsi_3_zext): Fix output template.
1148 2006-07-21 Mike Stump <mrs@apple.com>
1150 * doc/invoke.texi (C++ Dialect Options): Note that
1151 -fvisibility-inlines-hidden doesn't affect explicitly
1152 instantiationed inline methods.
1154 2006-07-20 Roger Sayle <roger@eyesopen.com>
1156 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1157 if the target assembler is GNU binutils' gas.
1158 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1159 whether to pass GNU gas or native as command line options.
1161 2006-07-20 Jason Merrill <jason@redhat.com>
1163 * tree.c (remove_attribute): New fn.
1164 * tree.h: Declare it.
1166 2006-07-20 Paul Brook <paul@codesourcery.com>
1169 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1170 they are invalidated by this instruction.
1172 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1175 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1177 2006-07-20 Eric Christopher <echristo@apple.com>
1180 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1182 2006-07-19 Eric Christopher <echristo@apple.com>
1184 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1185 Rewrite dependencies for libgcc_s.1.dylib.
1187 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1189 * except.c (duplicate_eh_regions_1): Clear next_peer.
1191 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1193 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1194 -mlongcall does not guarantee all calls will be long.
1195 * doc/extend.texi (long_call/short_call): Document that longcall
1196 does not guarantee a long call will be used.
1197 (longcall/shortcall): Likewise.
1199 2006-07-18 Roger Sayle <roger@eyesopen.com>
1202 * expmed.c (expand_shift): Additionally check that the shift_cost
1203 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1204 before implementing a LSHIFT_EXPR as a sequence of additions.
1205 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1206 middle-end that DImode shifts need to be synthesized by expand.
1208 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1211 * tree-ssa-operands.c (access_can_touch_variable): Update
1213 Return true if ALIAS is .GLOBAL_VAR.
1215 2006-07-18 David Daney <ddaney@avtrex.com>
1217 * gcc.c (display_help): Fix typo in help text.
1219 2006-07-18 Olivier Hainque <hainque@adacore.com>
1221 * tree.h (categorize_ctor_elements): Adjust prototype and add
1222 descriptive comment, both in accordance with the interface change
1224 * varasm.c (constructor_static_from_elts_p): New function.
1225 Whether a constructor node is a valid static constant initializer
1226 if all its elements are.
1227 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1228 * output.h: Declare it.
1229 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1230 is a valid constant initializer instead of computing the number of
1231 non-constant elements. Use constructor_static_from_elts_p for this
1232 purpose. Replace the head comment with an indication that this is a
1233 helper for categorize_ctor_elements.
1234 (categorize_ctor_elements): Same interface change as for the _1
1235 helper. Former head comment from this helper moved here, adjusted to
1236 account for the interface changes.
1237 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1238 (all_zeros_p): Likewise.
1239 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1240 static versions of the constructor from the categorize_ctor_elements
1241 return value instead of the formerly computed number of non-constant
1244 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1246 * configure: Regenerate.
1247 * Makefile.in (build_libsubdir): New configure substitution
1248 (build_libobjdir): New variable.
1249 (BUILD_LIBIBERTY): Use it.
1251 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1254 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1256 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1259 * c-common.c (handle_weakref_attribute): Ignore attribute in
1260 the same conditions the alias attribute is ignored.
1262 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1264 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1265 (dbxout_begin_prologue): Increment scope_labelno.
1267 2006-07-17 Richard Henderson <rth@redhat.com>
1270 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1273 2006-07-17 Roger Sayle <roger@eyesopen.com>
1274 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1276 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1277 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1278 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1279 functions such as sbrk, write, etc.. Add function prototypes.
1280 Convert function declarations from K&R to ISO C. Cast pointers
1281 to "long" and "unsigned long" instead of "int" and "unsigned int".
1282 Convert tokens following #endif into comments.
1284 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1286 * invoke.texi: Remove mention of f77; Reformat table for
1287 inline parameter options correctly; mention that -malign-double
1288 is default on x86-64 targets.
1290 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1292 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1293 (convert_affine_scev, chrec_convert_aggressive): Use
1294 avoid_arithmetics_in_type_p. Do not check for the subtypes
1297 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1300 * optabs.c (expand_doubleword_shift): Wrap the call to
1301 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1303 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1306 * optabs.c (expand_binop): Pass next_methods rather than methods
1307 to expand_doubleword_shift.
1309 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1312 * tree.h (dump_addr): Declare.
1313 * print-tree.c (dump_addr): New function.
1314 (print_node_brief, print_node): Use it.
1315 * print-rtl.c (print_rtx): Likewise.
1316 * common.opt (-fdump-noaddr): New option.
1317 * doc/invoke.texi (-fdump-noaddr): Document.
1318 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1319 (ve_info_hash): Likewise.
1321 2006-07-13 Andrew Haley <aph@redhat.com>
1323 PR tree-optimization/19505
1324 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1325 edge leaving this block, make sure that the destination of this
1326 block has only one predecessor.
1328 2006-07-17 Richard Guenther <rguenther@suse.de>
1330 PR tree-optimization/28238
1331 * tree-inline.c (copy_bb): Check if we produced valid
1332 gimple copying and substituting a stmt. If not, gimplify
1335 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1337 * optabs.c (maybe_encapsulate_block): New function extracted from...
1338 (emit_libcall_block): ...here. Invoke it on the block of insns to
1339 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1340 (emit_no_conflict_block): Likewise.
1342 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1344 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1346 2006-07-15 Roger Sayle <roger@eyesopen.com>
1348 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1349 a new NOP_EXPR case of the switch statement.
1351 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1354 * stor-layout.c (place_field): Take the bit field with
1355 an excessive size into account in the ms-bitfiled case.
1358 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1359 the previous bit field.
1361 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1364 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1366 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1368 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1369 signal frames correctly even when the signal was installed with
1372 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1374 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1375 (dbxout_function_end): Use local label LFBB. Remove hook
1377 (dbxout_source_line): Use local label LFBB.
1378 (dbxout_block): Likewise.
1379 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1380 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1381 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1382 and DBX_OUTPUT_NFUN.
1384 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1386 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1388 2006-07-13 Jan Hubicka <jh@suse.cz>
1390 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1392 * output.h (align_variable): Declare.
1393 * varasm.c (align_variable): Export.
1394 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1395 when basic block changed.
1397 2006-07-13 Nick Clifton <nickc@redhat.com>
1399 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1400 walking the LOG_LINKS chain.
1402 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1404 * doc/invoke.texi (C++ Dialect Options): Explain difference
1405 between -fvisibility-inlines-hidden and setting hidden
1406 visibility explicitly.
1408 2006-07-12 Eric Christopher <echristo@apple.com>
1410 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1411 (stmp-lipo): Depend on libgcc.a.
1413 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1415 * tree.c: Fix a comment typo.
1417 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1419 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1421 (umulhisi3_r): Likewise.
1423 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1426 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1427 x < 19, vs wchar_t support.
1429 2006-07-12 Nick Clifton <nickc@redhat.com>
1431 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1432 instead of -isa=sh4.
1434 2006-07-12 Mike Stump <mrs@apple.com>
1436 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1438 2006-07-10 Eric Christopher <echristo@apple.com>
1440 * config/t-slibgcc-darwin: Rewrite.
1442 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1445 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1448 2006-07-08 Matthias Klose <doko@debian.org>
1450 * doc/sourcebuild.texi: Fix typo.
1452 2006-07-07 Mike Stump <mrs@apple.com>
1454 * toplev.c (process_options): Don't give -ffunction-sections may
1455 affect debugging warning for Mach-O.
1457 2006-07-07 James E Wilson <wilson@specifix.com>
1459 * config/mips/mips.md (cpu): Add sb1a.
1460 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1461 addition to sb1. Adjust comments to clarify SB-1A differences from
1463 (ir_sb1a_load): New. Modify bypasses to use it.
1464 (ir_sb1a_simple_alu): Likewise.
1465 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1466 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1467 (mips_issue_rate): Add PROCESSOR_SB1A.
1468 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1469 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1470 (TARGET_SB1): Add PROCESSOR_SB1A check.
1471 (TUNE_SB1): Likewise.
1473 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1474 * config/mips/mips.c (mips_store_data_bypass_p): New.
1475 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1476 store_data_bypass_p.
1478 2006-07-08 Paul Brook <paul@codesourcery.com>
1481 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1483 2006-07-07 Richard Guenther <rguenther@suse.de>
1486 * tree.h (build_one_cst): Declare.
1487 * tree.c (build_one_cst): New function.
1488 * tree-ssa-math-opts.c (get_constant_one): Remove.
1489 (insert_reciprocals): Use build_one_cst.
1490 * fold-const.c (fold_plusminus_mult): Likewise.
1492 2006-07-07 Roger Sayle <roger@eyesopen.com>
1494 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1495 * cfgloopanal.c (dump_graph): Likewise.
1496 * dojump.c (discard_pending_stack_adjust): Likewise.
1497 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1499 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1500 * function.c (finalize_block_changes): Likewise.
1501 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1502 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1503 * rtl.c (dump_rtx_statistics): Likewise.
1504 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1506 * varray.c (dump_varray_statistics): Likewise.
1507 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1508 decode_decimal64, encode_decimal128, decode_decimal128,
1509 decimal_real_to_decimal): Likewise.
1511 2006-07-07 Richard Guenther <rguenther@suse.de>
1513 PR tree-optimization/28187
1514 * tree-vrp.c (vrp_operand_equal_p): New function.
1515 (vrp_bitmap_equal_p): Likewise.
1516 (update_value_range): Use them to compare old and new
1519 2006-07-06 Roger Sayle <roger@eyesopen.com>
1521 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1522 a default case to switch statement to silence compiler warnings.
1524 2006-07-06 Roger Sayle <roger@eyesopen.com>
1527 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1528 the configured assembler supports the x87's ffreep mnemonic.
1529 * configure: Regenerate.
1530 * config.in: Regenerate.
1532 * config/i386/i386.c (output_387_ffreep): New function.
1533 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1534 (output_387_reg_move): Likewise.
1536 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1538 Port to hosts whose 'sort' and 'tail' implementations
1539 treat operands with leading '+' as file names, as POSIX
1540 has required since 2001. However, make sure the code still
1541 works on pre-POSIX hosts.
1542 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1543 which says you should use "tail -c +N" rather than "tail +Nc".
1544 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1546 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1548 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1551 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1554 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1555 PRE_{INC,DEC} of TFmode.
1557 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1558 Alan Modra <amodra@bigpond.net.au>
1561 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1564 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1567 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1568 Remove duplicate gtu.
1570 2006-07-05 Jason Merrill <jason@redhat.com>
1574 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1575 * c-common.c (handle_packed_attribute): So don't copy it here.
1576 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1578 2006-07-05 Mike Stump <mrs@apple.com>
1580 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1582 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1585 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1587 2006-07-05 Richard Guenther <rguenther@suse.de>
1590 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1591 TARGET_SSE2 targets if using SSE math.
1592 (*absdf2_1): Likewise.
1594 2006-07-05 Richard Guenther <rguenther@suse.de>
1596 PR tree-optimization/28162
1597 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1598 make sure to convert the operands to the correct type.
1600 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1602 PR tree-optimization/28218
1604 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1605 to calculate and free the dominator information.
1607 2006-07-04 Peter O'Gorman <peter@pogma.com>
1609 * mklibgcc.in: chmod 644 before ranlib during install.
1611 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1612 J"orn Rennecke <joern.rennecke@st.com>
1614 * configure.ac (.eh_frame data check): Use diff -b.
1616 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1619 * Makefile.in (BUILD_RTL): Add build/vec.o.
1620 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1621 (build/genextract): Delete.
1622 (build/genautomata): Likewise.
1624 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1627 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1628 128-bit IBM long doubles for ABI_V4.
1630 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1632 * tree.c (range_in_array_bounds_p): New predicate.
1633 * tree.h (range_in_array_bounds_p): Declare it.
1634 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1635 return a less conservative answer.
1636 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1637 and flag 'is_group'.
1638 (IS_ELEMENT_FOR_GROUP): New macro.
1639 (FOR_EACH_ACTUAL_CHILD): Likewise.
1640 (next_child_for_group): New helper function.
1641 (can_completely_scalarize_p): Take into account groups.
1642 (sra_hash_tree): Handle RANGE_EXPR.
1643 (sra_elt_eq): Likewise.
1644 (lookup_element): Be prepared for handling groups.
1645 (is_valid_const_index): Delete.
1646 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1647 instead of is_valid_const_index.
1648 <ARRAY_RANGE_REF>: New case.
1649 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1650 is_valid_const_index.
1651 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1652 (scan_dump): Dump info for groups too.
1653 (decide_instantiation_1): Likewise.
1654 (decide_block_copy): Assert that the element is not a group.
1655 Propagate decision to groups.
1656 (generate_one_element_ref): Handle RANGE_EXPR.
1657 (mark_no_warning): Iterate over actual childs.
1658 (generate_copy_inout): Likewise.
1659 (generate_element_copy): Likewise.
1660 (generate_element_zero): Likewise.
1661 (generate_element_init_1): Likewise.
1662 (dump_sra_elt_name): Handle RANGE_EXPR.
1664 2006-07-03 Roger Sayle <roger@eyesopen.com>
1666 PR tree-optimization/26251
1667 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1668 (thread_block): When optimizing for size refuse to thread jumps
1669 that would require duplication of blocks other than redirection
1672 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1674 * configure.ac: Fix thinko in previous check-in.
1675 * configure: Regenerate.
1677 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1680 * configure.ac (for lang...): Simplify nesting of conditionals.
1681 Test subdir_requires for non-enabled languages. Move processing
1682 of lang_opt_files and lang_tree_fiels below that test.
1683 * configure: Regenerate.
1684 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1686 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1688 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1690 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1692 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1695 2006-06-29 Jason Merrill <jason@redhat.com>
1702 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1703 * c-common.c (c_determine_visibility): Handle it here.
1704 * c-decl.c (finish_decl): Call c_determine_visibility for
1706 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1708 * varasm.c (default_assemble_visibility): Likewise.
1709 * c-common.c (handle_visibility_attribute): Complain about trying
1710 to give visibility to an already defined class, or trying to change
1711 declared visibility. Always attach the attribute.
1716 * attribs.c (decl_attributes): Ignore type-in-place attributes
1717 once the type has been defined.
1719 2006-06-29 Roger Sayle <roger@eyesopen.com>
1722 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1723 to indicate the cpplib has issued an error message for us.
1725 2006-06-29 Asher Langton <langton2@llnl.gov>
1728 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1729 insert a label at the end of an function under Mach-O.
1731 2006-06-29 Eric Christopher <echristo@apple.com>
1732 Evan Cheng <evan.cheng@apple.com>
1734 * predicates.md (vector_all_ones_operand): New.
1735 (nonimmediate_or_sse_const_operand): Ditto.
1736 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1737 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1738 (standard_sse_mode_p): Ditto.
1739 (standard_sse_constant_p): Add case for -1 vector.
1740 (ix86_expand_vector_move): Try to use.
1741 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1742 Call standard_sse_constant_opcode.
1743 (*movv4sf_internal): Ditto.
1744 (*movv2df_internal): Ditto.
1746 2006-06-29 Roger Sayle <roger@eyesopen.com>
1748 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1749 of XEXP to extract the operands of a MATCH_CODE rtx.
1751 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1753 * tree.c (tree_size): Do not waste tail padding in
1754 struct tree_string and make the size be the same as
1755 build_string will generate.
1757 2006-06-28 Jason Merrill <jason@redhat.com>
1760 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1761 may_aliases already in the tag's annotations to the bitmap.
1763 2006-06-28 Roger Sayle <roger@eyesopen.com>
1765 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1767 2006-06-28 Roger Sayle <roger@eyesopen.com>
1769 * genpreds.c (generate_switch_p): New function.
1770 (add_mode_tests): Push the new mode test down inside an AND expr
1771 if this allows the switch-suitable MATCH_CODE to be near the root.
1772 (write_match_code_switch): New function to write a MATCH_CODE as
1774 (write_predicate_stmts): New function to write a predicate RTX
1775 expression as a sequence of statements.
1776 (write_one_predicate_function): Use write_predicate_stmts.
1777 (write_tm_constrs_h): Likewise.
1779 2006-06-26 Fred Fish <fnf@specifix.com>
1781 * config/mips/t-sb1: New file.
1782 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1785 2006-06-26 DJ Delorie <dj@redhat.com>
1787 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1789 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1790 Jayant Sonar <jayants@kpitcummins.com>
1791 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1793 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1794 (subsi3, subsi3_1, subsi3_2): New.
1795 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1796 * config/m32c/mov.md (SI mov peephole): New.
1797 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1798 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1800 2006-06-26 Olivier Hainque <hainque@adacore.com>
1802 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1803 a CALL_EXPR target function declaration.
1805 2006-06-26 Richard Guenther <rguenther@suse.de>
1807 * tree.c (build_string): Do not waste tail padding in
1810 2006-06-26 Richard Guenther <rguenther@suse.de>
1812 * ggc-page.c (init_ggc): Add missing element to size_lookup
1816 2006-06-23 Richard Guenther <rguenther@suse.de>
1818 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1819 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1820 alignment requests instead. Add verification code.
1821 Add struct tree_function_decl and struct tree_binfo size to
1822 extra_order_size_table. Add missing element to size_lookup
1825 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1828 * fold-const.c (const_binop): Be prepared for self returning zero.
1829 Simplify code handling complex values.
1831 2006-06-24 Olivier Hainque <hainque@adacore.com>
1833 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1834 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1837 2006-06-24 Olivier Hainque <hainque@adacore.com>
1839 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1840 ARRAY_REF, so have the callback called for the low bound expression.
1842 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1844 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1845 * c-typeck.c (c_common_type): Disallow operations on decimal float
1846 types and other float types.
1847 * convert.c (convert_to_real): Don't ignore conversions involving
1848 decimal float types.
1850 2006-06-23 Olivier Hainque <hainque@adacore.com>
1852 * tree.c (max_int_size_in_bytes): New function, inspired from
1853 code in function.c:assign_temp.
1854 * tree.h (max_int_size_in_bytes): Declare.
1855 * function.c (assign_temp): Use it.
1856 * gimplify.c (create_tmp_var): Relax the assertions on the type
1857 properties, not mandating constant size any more.
1858 (force_constant_size): New static function.
1859 (gimple_add_tmp_var): Use it, forcing variable size to a
1860 constant upper bound if it is not constant on entry.
1862 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1865 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1866 for initialization and setting of one_only flag to ...
1867 (i386_pe_encode_section_info): ...here.
1868 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1869 Recheck that the symbol has not been defined.
1871 2006-06-23 Richard Guenther <rguenther@suse.de>
1873 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1874 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1875 alignment requests instead. Add verification code.
1876 Add struct tree_function_decl and struct tree_binfo size to
1877 extra_order_size_table. Add missing element to size_lookup
1880 2006-06-22 Roger Sayle <roger@eyesopen.com>
1881 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1884 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1885 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1887 2006-06-23 Ben Elliston <bje@au.ibm.com>
1889 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1890 negate dn -- manipulate it directly.
1892 2006-06-22 Roger Sayle <roger@eyesopen.com>
1893 Steven Bosscher <stevenb.gcc@gmail.com>
1896 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1897 generated by gen_move_insn to add REG_LABEL notes if necessary.
1899 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1901 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1902 (leaf_entry): Remove use of MIN_ESA.
1904 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1906 PR rtl-optimization/28121
1907 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1910 2006-06-21 DJ Delorie <dj@redhat.com>
1912 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1914 (mulhisi3_r): Likewise.
1916 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1919 * coverage.c (coverage_counter_alloc): Leave the index type
1921 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1924 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1926 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1927 section from the "Options for Code Generation Conventions".
1929 2006-06-21 Richard Henderson <rth@redhat.com>
1933 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1935 (global_symbolic_operand): Allow weak symbols, even if local_p.
1937 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1939 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1940 (find_interesting_uses_address): Punt if above function returns true.
1942 2006-06-21 Richard Guenther <rguenther@suse.de>
1944 * configure: Regenerated.
1946 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1948 * config/mips/mips.c (function_arg): Where one part of a
1949 complex argument is in registers and the other part in the stack,
1950 return a REG not a PARALLEL.
1952 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1954 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1955 when cross-compiling. Do not substitute libstdcxx_incdir.
1956 * configure: Regenerated.
1958 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1960 * varasm.c (mergeable_string_section): Check for embedded NULs and
1961 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1962 rather than TREE_STRING_LENGTH bytes.
1964 2006-06-21 Richard Guenther <rguenther@suse.de>
1966 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1967 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1970 2006-06-21 Richrad Guenther <rguenther@suse.de>
1972 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1973 Limit iteration over the dominators.
1975 2006-06-20 Roger Sayle <roger@eyesopen.com>
1977 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1978 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1980 2006-06-20 Richard Guenther <rguenther@suse.de>
1981 Michael Matz <matz@suse.de>
1983 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1985 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1986 * et-forest.h (et_free_pools): Prototype new function.
1987 * et-forest.c (et_free_tree_force): Free parent occurrence.
1988 (et_free_pools): New function.
1989 * dominance.c (free_dominance_info): Free et-forest alloc
1992 2006-06-20 Roger Sayle <roger@eyesopen.com>
1994 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1995 integer modes, attempt to directly construct an integer constant.
1997 * fold-const.c (native_encode_vector): Determine the size of each
1998 element from the vector type instead of the first vector element.
2000 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2001 if all of its elements/components are constant.
2002 (build_constructor_from_list): Likewise.
2004 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2006 PR tree-optimization/27331
2007 * tree-data-ref.c (free_data_ref): New function.
2008 (create_data_ref): Fail if the data reference has unknown access
2010 (free_data_refs): Use free_data_ref.
2012 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2015 * tree-inline.c (setup_one_parameter): Strip useless
2016 type conversion before adding it to the IR.
2017 (declare_return_variable): Likewise.
2019 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2022 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2024 2006-06-19 Mike Stump <mrs@apple.com>
2026 * tree.c (variably_modified_type_p): VM arguments don't make the
2029 2006-06-19 Richard Guenther <rguenther@suse.de>
2031 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2032 type conversions after folding.
2034 2006-06-19 Richard Guenther <rguenther@suse.de>
2036 * ggc-page.c (extra_order_size_tab): Add entries with
2037 size of struct function and basic_block.
2038 (size_lookup): Extend to cover sizes up to 511.
2039 (ggc_alloc_stat): Adjust user.
2040 (ggc_pch_count_object): Likewise.
2041 (ggc_pch_alloc_object): Likewise.
2042 (ggc_pch_write_object): Likewise.
2044 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2046 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2047 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2050 2006-06-19 Denis Chertykov <denisc@overta.ru>
2052 * config/avr/libgcc.S : Correct my wrong previous commit.
2054 2006-06-19 Roger Sayle <roger@eyesopen.com>
2057 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2058 have stripped a SUBREG from the shift count, so we may need to
2059 convert_to_mode back to the type's mode before calling make_tree.
2060 Use new_amount instead of amount to avoid expanding a tree twice.
2062 2006-06-19 Richard Guenther <rguenther@suse.de>
2065 * fold-const.c (operand_equal_p): Check if the argument types
2066 have the same precision before stripping NOPs.
2068 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2070 Fix PR tree-optimization/27341
2071 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2073 * tree-complex.c (pass_lower_complex): Update SMT usage.
2075 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2077 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2078 Add a new alternative to the constraint strings. Add move of
2079 operand 1 to 3 to the splitter definition.
2080 ("doloop_si_long"): Second contraint alternative removed.
2082 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2084 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2085 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2087 (AVR_HAVE_MOVW) Define.
2088 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2089 (ASM_SPEC): Add avr25.
2090 (LINK_SPEC): Add avr25.
2091 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2092 (base_arch_s): Add new member 'have_movw_lpmx'.
2093 (avr_arch_types): Init 'have_movw_lpmx'.
2094 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2095 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2096 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2097 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2098 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2100 (avr_file_start): Do not output '.arh' derective.
2101 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2102 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2103 * config/avr/avr.md (mcu_enhanced): Delete.
2104 (mcu_have_movw): Define.
2105 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2106 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2107 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2108 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2109 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2110 attiny861 and at86rf401 devices.
2112 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2114 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2117 2006-06-17 Karl Berry <karl@gnu.org>
2119 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2120 doc/gccint.texi, doc/install.texi (@dircategory): Use
2121 "Software development" instead of "Programming", following
2122 the Free Software Directory.
2124 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2126 * config/i386/i386.c (legitimate_tls_address)
2127 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2128 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2129 (*tls_dynamic_gnu2_combine_64): Likewise.
2131 2006-06-16 Richard Guenther <rguenther@suse.de>
2134 * fold-const.c (negate_expr_p): Do not introduce undefined
2135 overflow in negating INTEGER_CSTs.
2136 (fold_negate_expr): Rename from negate_expr. Revert last
2137 change for folding BIT_NOT_EXPR. Change semantics to
2138 return NULL_TREE for non-simplified negations. Do not
2139 strip type conversions and unify type handling.
2140 (negate_expr): New function, wrap around fold_negate_expr
2141 but ensure building a tree always. Strip type conversions
2142 here, fold to result type.
2143 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2145 2006-06-16 Roger Sayle <roger@eyesopen.com>
2148 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2149 that (would) return their results in stack registers.
2151 2006-06-16 Michael Matz <matz@suse.de>
2152 Richard Guenther <rguenther@suse.de>
2154 * fold-const.c (fold_truthop): Only return new tree node if
2155 we canonicalized something.
2157 2006-06-16 Richard Guenther <rguenther@suse.de>
2159 * function.h (enum function_frequency): Move declaration
2160 out of struct function.
2161 (struct function): Move bool fields and the enum to the bitfield
2162 section. Reorder elements to avoid padding. Remove unused
2163 fields left over from the RTL inliner removal.
2164 * function.c (free_after_compilation): Do not zero removed fields.
2165 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2166 (ipa-type-escape.o): Likewise.
2168 2006-06-16 Richard Guenther <rguenther@suse.de>
2170 * cgraph.h (struct cgraph_local_info): Turn bool elements
2172 (struct cgraph_node): Likewise.
2173 (struct cgraph_varpool_node): Likewise.
2175 2006-06-15 Richard Guenther <rguenther@suse.de>
2177 * fold-const.c (fold_truth_not_expr): Rename from
2178 invert_truthvalue. Give it fold_* semantics to avoid
2180 (invert_truthvalue): New function. Wrapper around
2181 fold_truth_not_expr.
2182 (optimize_minmax_comparison): Avoid creating garbage.
2183 (fold_unary): Use fold_truth_not_expr for folding
2185 (fold_ternary): Replace uses of invert_truthvalue with
2186 fold_truth_not_expr where applicable.
2187 * tree.h (fold_truth_not_expr): Prototype.
2189 2006-06-16 Richard Guenther <rguenther@suse.de>
2191 PR tree-optimization/27781
2192 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2193 * ipa-pure-const.c (target.h): Include.
2194 (analyze_function): Do not analyze functions that do not
2197 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2200 * tree-dfa.c (referenced_vars_dup_list): Remove.
2201 (find_referenced_vars): Remove assert.
2202 (referenced_var_check_and_insert): Replace dup list with assert.
2203 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2204 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2206 2006-06-15 Richard Guenther <rguenther@suse.de>
2208 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2209 extra unused identifiers if not dumping.
2210 (create_variable_info_for): Likewise.
2212 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2214 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2215 (derive_constant_upper_bound): Derive more precise upper bound in
2216 common cases. Return type changed to double_int.
2217 (record_estimate): Reflect the changed return type of
2218 derive_constant_upper_bound.
2219 * double-int.c (double_int_zext, double_int_sext): Fix.
2221 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2223 * configure.ac (CFLAGS): Get them from the toplevel or from the
2224 configure invocation.
2225 * configure: Regenerate.
2226 * Makefile.in (CFLAGS): Substitute value provided by configure.
2228 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2231 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2232 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2233 rather than calling add_stmt on it.
2234 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2236 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2239 * reload1.c (reload): Remove registers returned by update_eliminables
2240 from used_spill_regs.
2242 2006-06-13 DJ Delorie <dj@redhat.com>
2244 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2246 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2248 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2249 html__strip_dir, html__mkdir_p. Enhance install-html target.
2250 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2251 * configure: Regenerate.
2253 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2255 * fold-const.c (fold_cond_expr_with_comparison): Check for
2256 Objective-C++ as language in deciding COND_EXPR transformation.
2258 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2261 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2262 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2263 * config/sh/lib1funcs.h (SL, SL1): Define.
2264 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2265 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2266 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2267 (OBJS_Os_4_200): New variable.
2268 ($(T)libgcc-Os-4-200.a): Use it.
2269 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2270 when dividing 1 and/or by 0.
2272 2006-06-13 Roger Sayle <roger@eyesopen.com>
2274 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2275 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2276 * configure: Regenerate.
2278 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2280 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2281 for real instruction.
2283 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2286 * haifa-sched.c (check_cfg): Handle special case.
2288 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2291 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2292 Add debug_info parameter. Chain the vars to the BLOCK instead
2293 of the BIND_EXPR if debug info are requested for them.
2294 (pop_gimplify_context): Adjust for above change.
2295 (gimple_add_tmp_var): Likewise.
2296 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2298 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2299 (convert_local_reference): Likewise.
2300 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2301 (finalize_nesting_tree_1): Request that debug info be emitted
2302 for debug_var_chain.
2304 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2306 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2307 for PR target/27863.
2309 2006-06-13 Richard Guenther <rguenther@suse.de>
2312 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2314 2006-06-13 Richard Guenther <rguenther@suse.de>
2316 PR tree-optimization/27830
2317 * tree-inline.c (copy_body_r): For copying the operand
2318 of an ADDR_EXPR make sure to fold &* afterwards.
2320 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2322 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2323 lvalues in the fb_none case with side-effects.
2325 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2327 * tree-flow.h: Remove the prototype for
2328 compute_phi_arg_on_exit.
2329 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2330 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2333 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2335 * builtins.c (expand_builtin_return_addr): Only use
2336 frame_pointer_rtx when count == 0 and we are expanding
2337 __builtin_return_address.
2339 2006-06-12 Fred Fish <fnf@specifix.com>
2341 * config/mips/mips.c (mips_file_start): Create special section
2342 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2344 2006-06-11 Eric Christopher <echristo@apple.com>
2347 * stor-layout.c (place_field): Remove check for
2348 remaining_in_alignment when aligning at the end of a run.
2350 2006-06-11 Eric Christopher <echristo@apple.com>
2353 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2356 2006-06-11 Roger Sayle <roger@eyesopen.com>
2359 Revert incorrect fix for PR target/27158
2360 2006-05-08 Roger Sayle <roger@eyesopen.com>
2361 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2362 of a reg_equiv_constant if the result is a legitimate constant.
2364 2006-06-11 Roger Sayle <roger@eyesopen.com>
2367 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2368 extract a CONST_VECTOR element and interpret it as an integer.
2369 (vspltis_constant): Use const_vector_elt_as_int instead of the
2370 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2371 * config/rs6000/predicates.md (easy_vector_const): Consider
2372 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2374 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2377 * stor-layout.c (update_alignment_for_field): Don't add extra
2378 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2381 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2383 * config/mips/t-rtems: Add EL/EB multilib variants.
2385 2006-06-09 Mike Stump <mrs@apple.com>
2387 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2389 2006-06-09 David Daney <ddaney@avtrex.com>
2391 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2393 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2395 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2397 2006-06-09 Richard Guenther <rguenther@suse.de>
2399 PR tree-optimization/26998
2400 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2401 of signed types, only TYPE_MIN_VALUE is special, but for both,
2402 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2403 in this case, as is -fwrapv.
2405 2006-06-08 Mike Stump <mrs@apple.com>
2408 * config/darwin.c (darwin_asm_output_anchor): Disable
2409 -fsection-anchors on darwin for now.
2410 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2411 * rs6000/rs6000.c (optimization_options): Likewise.
2413 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2416 * config/i386/i386.c (classify_argument): Skip fields with invalid
2419 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2421 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2422 (cse_insn): Likewise for the stack_pointer_rtx.
2424 2006-06-08 Roger Sayle <roger@eyesopen.com>
2426 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2427 conditions from floating point comparisons.
2429 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2432 * expmed.c (struct alg_hash_entry): Fix type of field T
2433 to match synth_mult argument.
2434 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2436 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2439 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2442 2006-06-08 Richard Guenther <rguenther@suse.de>
2445 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2446 only, if overflow is defined and not trapping.
2447 (negate_expr): Likewise.
2449 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2451 PR tree-optimization/27872
2452 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2453 flag on the new exit edge of the unrolled loop.
2455 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2457 PR rtl-optimization/26449
2458 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2460 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2463 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2464 referenced_variables with matching DECL_UID's.
2465 (find_referenced_vars): Make sure duplicate list is empty to start.
2466 (referenced_var_p): Remove.
2467 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2468 Check if var is in the list, and add if needed. Update the duplicate
2469 list if a different var is in the list with the same DECL_UID.
2470 (add_referenced_var): Call routine to check and insert.
2471 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2472 * tree-flow.h (referenced_vars_dup_list): External declaration.
2474 2006-06-07 Fred Fish <fnf@specifix.com>
2476 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2479 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2482 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2483 the imaginary and real parts of a clobbered register.
2484 Emit insn to set the imaginary part.
2486 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2488 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2489 in lieu of unwind-dw2-fde.c.
2491 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2493 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2495 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2498 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2499 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2500 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2501 V4SImode temporaries and operations instead.
2503 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2505 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2508 2006-06-06 Mike Stump <mrs@apple.com>
2510 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2511 installing during build.
2513 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2515 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2517 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2518 * config/ia64/ia64.c (params.h): New header.
2519 (ia64_optimization_options): New function to adjust parameters.
2520 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2521 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2522 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2524 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2526 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2528 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2531 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2533 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2534 Victor Kaplansky <victork@il.ibm.com>
2536 PR tree-optimization/26360
2537 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2540 2006-06-04 Roger Sayle <roger@eyesopen.com>
2541 Andrew Pinski <pinskia@physics.uc.edu>
2544 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2545 for LABEL_DECL before calling DECL_WEAK.
2548 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2549 LABEL_DECL and PARM_DECL.
2551 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2555 * c-decl.c (grokdeclarator): Disallow variably modified types at
2556 file scope. Avoid marking shared array type of constant size as
2559 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2562 * c-common.c (fold_offsetof_1): Handle static members.
2564 2006-06-04 Eric Christopher <echristo@apple.com>
2566 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2567 (debug_rli): Output value for remaining_in_alignment.
2568 (update_alignment_for_field): Unconditionalize
2569 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2570 extra alignment code.
2571 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2572 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2573 * tree.h (record_layout_info_s): Remove prev_packed.
2574 * doc/extend.texi (ms_struct): Add documentation of format.
2576 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2578 * tree.h: Declare folding_initializer.
2579 * builtins.c (fold_builtin_constant_p): Give definite answer
2580 if folding inside an initializer.
2581 * fold-const.c: Define folding_initializer.
2582 (START_FOLD_INIT): Save and then set folding_initializer.
2583 (END_FOLD_INIT): Restore folding_initializer.
2585 2006-06-04 Richard Guenther <rguenther@suse.de>
2587 PR tree-optimization/27039
2588 * fold-const.c (fold_comparison): Handle pointer comparison
2589 again for all comparison codes. Compare offsets in signed
2591 (fold_binary): Move code from here.
2593 2006-06-03 Roger Sayle <roger@eyesopen.com>
2596 * config/i386/i386.c (construct_container): Split static issued_error
2597 flag into issued_sse_arg_error, issued_sse_ret_error and
2598 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2599 requires the use of x87 registers and the user explicitly
2600 specified the -mno-80387 command line option.
2602 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2604 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2605 HAVE_DECL_SIGALTSTACK.
2607 (segv_handler): Use MC_FLD.
2608 * configure.ac: Check for a sigaltstack declaration.
2609 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2610 * configure: Regenerate.
2611 * config.in: Regenerate.
2613 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2616 * Makefile.in (stmp-fixinc): Fix typo.
2618 2006-06-02 Roger Sayle <roger@eyesopen.com>
2620 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2621 are type correct. Clean-up.
2622 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2623 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2625 2006-06-01 DJ Delorie <dj@redhat.com>
2627 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2628 shift, as we've disabled the "switch" insn that needs it.
2630 2006-06-01 Per Bothner <bothner@bothner.com>
2632 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2633 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2634 * c-ppoutput.c (cb_define): Don't increment line 0.
2636 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2638 * doc/invoke.texi: Add cpu_type power6.
2639 * config.gcc: Add cpu_type power6.
2640 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2641 to power5+ with Altivec.
2642 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2643 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2645 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2647 * config/avr/avr.h (SET_ASM_OP): Define.
2649 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2651 * config/bfin/bfin.c: Fix comment typos.
2653 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2656 * doc/install.texi: Document --enable-bootstrap and
2657 --disable-bootstrap.
2659 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2661 * doc/install.texi: Document that InfoZIP can replace jar.
2663 2006-05-31 Roger Sayle <roger@eyesopen.com>
2665 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2666 isn't available, directly generate the simpler x87 patterns without
2667 the (use (const_int 0)).
2668 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2669 implementation isn't available.
2670 (*negdf2_1): Likewise.
2671 (*negxf2_1): XF mode negation is always done using the x87.
2672 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2674 2006-05-31 Roger Sayle <roger@eyesopen.com>
2676 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2677 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2679 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2681 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2683 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2684 * config/bfin/bfin.c (basic-block.h): Include.
2685 (struct machine_function): New.
2686 (bfin_init_machine_status): New.
2687 (override_options): Initialize init_machine_status.
2688 (bfin_hardware_loop): New.
2689 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2690 (DEF_VEC_P (loop_info)): New.
2691 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2692 (struct loop_info): New.
2693 (loop_info): New typedef.
2694 (struct loop_work): New.
2695 (loop_work): New typedef.
2696 (DEF_VEC_O (loop_work)): New.
2697 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2698 (bfin_dump_loops): New.
2699 (bfin_bb_in_loop): New.
2700 (bfin_scan_loop): New.
2701 (bfin_optimize_loop): New.
2702 (bfin_reorg_loops): New.
2703 (bfin_reorg): Use bfin_reorg_loops.
2704 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2706 (I_REGNO_P): Simplify.
2707 (DP_REGNO_P, DPREG_P): New macros.
2708 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2709 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2710 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2711 Add LT_REGS, LC_REGS, LB_REGS.
2712 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2714 (REGNO_REG_CLASS): Deal with loop registers.
2715 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2717 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2718 New constants for loop registers.
2719 (UNSPEC_LSETUP_END): New.
2720 (seq_insns): New define_attr. Set it for appropriate insns.
2721 (movsi_insn): Add alternatives for move from/to
2722 loop count registers.
2723 (doloop_end): New define_expand.
2724 (loop_end): New define_insn.
2725 (define_split for bad doloop_end): New.
2726 (lsetup_with_autoinit): New define_insn.
2727 (lsetup_without_autoinit): New define_insn.
2728 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2729 * config/bfin/predicates.md (lc_register_operand): New.
2730 (lt_register_operand): New.
2731 (lb_register_operand): New.
2732 (nondp_register_operand): New.
2733 (nondp_reg_or_memory_operand): New.
2734 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2736 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2738 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2739 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2741 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2743 * Makefile.in (CATALOGS): Add po/ prefix.
2744 * configure: Regenerated.
2746 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2749 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2750 a shift operand before calling shift_op. Avoid redundant call of
2753 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2754 DJ Delorie <dj@redhat.com>
2756 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2757 we're inserting is a singlt-bit constant.
2759 2006-05-30 Roger Sayle <roger@eyesopen.com>
2761 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2762 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2764 2006-05-30 Roger Sayle <roger@eyesopen.com>
2766 PR tree-optimization/23452
2767 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2768 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2769 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2770 complex values and with -ffast-math for FP complex values.
2772 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2774 * c-common.h: Remove the prototype for yyparse.
2775 * rtl.h: Remove the prototype for init_loop.
2777 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2779 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2782 2006-05-30 Roger Sayle <roger@eyesopen.com>
2784 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2786 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2787 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2789 2006-05-30 Dirk Mueller <dmueller@suse.de>
2792 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2793 for CONSTANT_CLASS_P expresisons.
2795 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2798 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2800 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2802 PR tree-optimization/27779
2803 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2804 initial_condition instead of CHREC_LEFT.
2806 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2808 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2809 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2810 Make prototypes ISO C90.
2812 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2813 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2815 * see.c (see_analyze_one_def): Correct check.
2816 (see_get_extension_data): Check if extension is parallel.
2817 (see_get_extension_reg): Likewise.
2819 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2822 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2823 into register for (code == GTU).
2825 2006-05-29 Roger Sayle <roger@eyesopen.com>
2827 PR tree-optimization/24964
2828 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2829 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2830 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2831 abs(x)*abs(x) as x*x for scalar floating point modes.
2833 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2836 * lambda-code.c (perfect_nestify): Don't copy statements
2837 in the inner loop: move them to the inner loop header.
2839 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2842 * c-tree.texi: Document OpenMP directives and clauses.
2844 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2846 * varasm.c (globalize_decl): Fix indentation.
2848 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2851 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2852 pass_fre, pass_store_ccp, pass_copy_prop,
2853 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2854 pass_return_slot, pass_object_size, pass_lim,
2855 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2856 pass_loop_prefetch and pass_stdarg.
2858 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2860 * config/bfin/bfin.opt (mfdpic): New option.
2861 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2862 (EXTRA_MULTILIB_PARTS): Likewise.
2863 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2864 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2866 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2867 (CRT_CALL_STATIC_FUNCTION): New.
2868 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2870 (CRT_CALL_STATIC_FUNCTION): New.
2871 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2873 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2874 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2875 (initialize_trampoline): Changed to handle FD-PIC code generation.
2876 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2877 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2878 (override_options): Disallow -mid-shared-library -mfdpic combination.
2879 Can't do unaligned ops if FD-PIC.
2880 Turn off flag_pic if trying to generate non-id-shared-library
2881 non-fdpic code, since it's not supported.
2882 (bfin_assemble_integer): New function.
2883 (TARGET_ASM_INTEGER): Define.
2884 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2886 * config/bfin/crtn.s: Restore them.
2887 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2889 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2890 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2891 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2892 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2893 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2895 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2896 FDPIC_REGS and FDPIC_FPTR_REGS.
2897 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2898 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2899 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2900 (load_funcdescsi): New pattern.
2901 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2902 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2903 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2905 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2907 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2910 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2912 * tree-flow.h: Remove the prototype for add_type_alias.
2913 * tree-ssa-alias.c (add_type_alias): Remove.
2915 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2917 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2918 config/fr30/fr30.md, config/i386/i386-interix.h,
2919 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2920 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2921 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2922 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2923 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2924 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2925 Follow spelling conventions.
2926 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2927 Follow spelling conventions.
2929 2006-05-27 Richard Guenther <rguenther@suse.de>
2932 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2933 to produce a constant of value 1 of generic type.
2935 2006-05-27 Dirk Mueller <dmueller@suse.de>
2937 * cgraphunit.c (decide_is_function_needed): Fix wrong
2940 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2942 PR rtl-optimization/27661
2943 * reload.c (find_reloads): When reloading a VOIDmode constant
2944 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2945 use Pmode as mode of the reload register.
2947 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2949 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2950 is enabled at -O and above.
2952 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2955 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2958 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2961 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2962 for anonymous variables explicitly declared by front ends.
2964 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2966 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2967 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2968 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2969 ref-all pointers, run a finalization pass for them.
2970 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2971 (finalize_ref_all_pointers): New function.
2972 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2973 regular pointer type to a ref-all pointer type.
2974 (get_tmt_for): Return the special memory tag for ref-all pointers.
2976 2006-05-25 Richard Guenther <rguenther@suse.de>
2979 * fold-const.c (fold_binary): Do not look at the stripped
2980 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2982 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2984 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2985 for LT and GT if the computed range is effectively empty.
2987 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2990 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2991 mips_quad_format formats instead of ieee_single_format,
2992 ieee_double_format and ieee_quad_format formats, respectively.
2994 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2996 PR tree-optimization/27639
2997 PR tree-optimization/26719
2998 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2999 call to scev_probably_wraps_p.
3000 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3001 used_in_pointer_arithmetic_p, convert_step): Removed.
3002 (nowrap_type_p): New function.
3003 (scev_probably_wraps_p): Rewritten.
3004 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3005 chrec_convert if chrec_convert_aggressive might have been used.
3006 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3007 scev_direction): New functions.
3008 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3009 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3010 instead of convert_step.
3011 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3012 (convert_step): Declaration removed.
3013 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3015 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3017 * df-core.c: Added to header comments.
3018 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3019 df_ur_bb_info, df_urec_bb_info): Added comments.
3020 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3021 urec, ri problems): Fixed header comments.
3022 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3023 code from df_rd_transfer_function.
3025 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3027 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3028 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3029 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3031 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3033 * expr.c (undefined_operand_subword_p): New.
3034 (emit_move_multi_word): Do not generate move from undefined bits
3035 of a paradoxical subreg.
3037 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3039 PR rtl-optimization/27736
3040 * combine.c (replaced_rhs_value): New variable.
3041 (combine_instructions): Set it.
3042 (distribute_notes): When distributing a note in replaced_rhs_insn,
3043 check whether the value was used in replaced_rhs_value.
3045 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3048 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3049 add_referenced_var instead of add_referenced_tmp_var.
3050 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3051 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3053 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3054 tree_optimize_tail_calls_1): Use add_referenced_var.
3055 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3056 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3057 Use add_referenced_var.
3058 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3059 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3060 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3061 Use add_referenced_var.
3062 * tree-dfa.c (struct walk_state): Remove.
3063 (find_referenced_vars): Remove walk state and vars_found hash table.
3064 (make_rename_temp): Use add_referenced_var.
3065 (find_vars_r): Pass less parameters to add_referenced_var.
3066 (referenced_var_p): New. Is var in referenced_var hash table.
3067 (referenced_var_insert): Assert var isn't already in hash table.
3068 (add_referenced_var): Don't need walk_state parameter. Add var if it
3069 isn't already in the hash table.
3070 (add_referenced_tmp_var): Remove.
3071 (find_new_referenced_vars_1): Use add_referenced_var.
3072 * tree-ssa-pre.c (create_expression_by_pieces,
3073 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3074 Use add_referenced_var.
3075 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3076 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3077 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3079 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3080 vect_create_data_ref_ptr, vect_create_destination_var,
3081 vect_init_vector, vect_build_loop_niters,
3082 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3083 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3084 Use add_referenced_var.
3085 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3086 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3087 (add_referenced_var): Add prototype.
3088 * tree-ssa-structalias.c (get_constraint_for,
3089 intra_create_variable_infos): Use add_referenced_var.
3091 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3093 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3094 big-endian paradoxical subregs.
3095 * var-tracking.c (struct micro_operation_def): Document that,
3096 for modify micro operations, insn is the subsequent instruction.
3097 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3098 (var_reg_set, var_mem_set): ... new functions.
3099 (add_stores): Record subsequent insn.
3100 (compute_bb_dataflow): Use new functions for MO_USE.
3101 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3102 notes after the insn, and modify notes before the insn known
3103 to be the subsequent one.
3104 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3106 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3109 * config/i386/i386.c (ix86_expand_builtin): Use
3110 gen_sse3_monitor64 for TARGET_64BIT.
3112 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3114 PR rtl-optimization/26375
3115 PR rtl-optimization/26855
3116 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3118 (df_ru_bb_local_compute): Reversed statements and removed bogus
3119 comment explaining why they should be in wrong order.
3120 (df_ru_dump, df_rd_dump): Enhanced debug info.
3121 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3123 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3124 reaching uses and fixed space problem.
3126 2006-05-23 Jan Hubicka <jh@suse.cz>
3128 * cgraphunit.c (decide_is_function_needed): Also nested functions
3129 and functions declared inline can be optimized out at -O0.
3131 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3133 * doc/install.texi (Configuration): Remove reference to CrossGCC
3137 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3140 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3141 ix86_compare_emitted is non-NULL.
3143 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3146 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3149 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3151 PR rtl-optimization/25514
3152 * combine.c (replaced_rhs_insn): New variable.
3153 (combine_instructions): Set replaced_rhs_insn when trying to replace
3154 a SET_SRC with a REG_EQUAL note.
3155 (distribute_notes): Use replaced_rhs_insn when determining the live
3156 range of a REG_DEAD register.
3158 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3159 Anatoly Sokolov <aesok@post.ru>
3161 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3162 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3163 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3164 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3165 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3166 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3167 at90usb647, at90usb1286 and at90usb1287 devices.
3168 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3169 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3171 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3173 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3175 2006-05-22 Richard Guenther <rguenther@suse.de>
3178 2006-01-31 Richard Guenther <rguenther@suse.de>
3179 Paolo Bonzini <bonzini@gnu.org>
3181 * doc/install.texi (--disable-libgcc-math): Document.
3183 2006-05-22 Richard Guenther <rguenther@suse.de>
3186 2006-01-31 Richard Guenther <rguenther@suse.de>
3188 * doc/invoke.texi (-msselibm): Document.
3189 * target.h (expand_library_builtin): New target hook.
3190 * builtins.c (expand_builtin): Use expand_library_builtin.
3191 (default_expand_library_builtin): New function.
3192 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3193 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3194 (link_gcc_math_spec): Declare.
3195 (static_specs): Add link_gcc_math_spec.
3196 * expr.h (default_expand_library_builtin): Declare.
3197 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3198 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3199 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3200 * config/i386/i386.opt (msselibm): New target option.
3201 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3202 (ix86_init_sse_abi_builtins): New function.
3203 (ix86_expand_library_builtin): Likewise.
3204 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3205 (override_options): Handle error conditions wrt -msselibm.
3206 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3207 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3208 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3211 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3214 * c-common.c (self_promoting_args_p): Skip erroneous args.
3217 * c-decl.c (finish_struct): Skip erroneous fields.
3219 2006-05-22 Nick Clifton <nickc@redhat.com>
3221 * config/cris/cris.opt (march): Remove VarExists attribute.
3222 (max-stackframe=): Likewise.
3224 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3226 * doc/rtl.texi: Fix a typo.
3227 * see.c: Fix comment typos.
3229 * tree-ssa-structalias.h (alias_info): Remove num_references.
3231 2006-05-21 Mike Stump <mrs@apple.com>
3233 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3235 (darwin_pragma_options): Use BAD instead.
3236 (darwin_pragma_unused): Likewise.
3237 (darwin_pragma_ms_struct): Likewise.
3239 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3241 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3243 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3245 PR rtl-optimization/27671
3246 * simplify-rtx.c (simplify_relational_operation_1): Fix
3247 simplifications of (eq/ne (xor x y) y) and
3248 (eq/ne (xor x y) x).
3250 PR tree-optimization/26622.
3251 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3254 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3256 * tree-cfg.c: Prune whitespace.
3257 (debug_tree_cfg): Point to correct header containing the
3260 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3263 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3265 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3268 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3269 or sorry count is non zero.
3271 2006-05-20 Andreas Schwab <schwab@suse.de>
3273 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3275 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3276 Kenneth Zadeck <zadeck@naturalbridge.com>
3278 PR rtl-optimization/26855
3280 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3282 (df_scan_alloc): Added code to properly handle multiword hard
3283 registers and add all_blocks parameter.
3284 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3285 code to properly handle multiword hard registers.
3286 (df_rescan_blocks): Added code to remove deleted blocks from
3288 (df_ref_create_structure, df_ref_record): Added code to properly
3290 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3291 and set DF_REF_PARTIAL.
3292 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3293 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3294 (df_scan_add_problem): Added flags parameter.
3295 (df_ref_create_structure): Changed switching structure.
3296 (df_bb_refs_record): Fixed case where duplicate artificial refs
3297 were created. Changed location of flags.
3298 (df_record_entry_block_defs): Added code to make stack pointer
3299 live in entry block. Refined cases where frame pointer is needed.
3300 Changed location of flags.
3301 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3302 (df_set_state): Removed function.
3303 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3304 df_insn_create_insn_record, df_insn_refs_delete,
3305 df_ref_create_structure): Formatting changes.
3306 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3307 df_delete_basic_block): New function.
3308 (df_init): Changed location of flags.
3309 (df_add_problem): Added flags parameter and the way flags are
3311 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3312 debug_df_chain): Improved debugging output.
3313 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3314 (df_refs_chain_dump): Removed df parameter.
3315 (df_iterative_dataflow): Added consistency check.
3316 (df_prune_to_subcfg): Made public.
3317 (df_analyze_problem): Added blocks_to_init parameter and made
3319 (df_ref_record, df_bb_refs_record, df_mark_reg,
3320 df_record_exit_block_uses): Whitespace changes.
3321 (df_dump): Whitespace changes.
3322 * df.h: Some reordering to remove forward references.
3323 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3324 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3325 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3326 (dataflow.flags): New field.
3327 (df.flag): Deleted field.
3328 (df_alloc_function): Added additional bitmap parameter.
3329 (df_dependent_problem_function): New type.
3330 (df_problem.changeable_flags): New field.
3331 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3332 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3333 (df_mw_hardreg): New struct.
3334 (DF_INSN_UID_MWS): New macro.
3335 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3337 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3338 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3339 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3340 (df_set_state): Removed function.
3341 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3342 * df-problems.c (df_chain_dump): Removed df parameter.
3343 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3344 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3346 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3347 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3348 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3349 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3350 DF_REF_MUST_CLOBBER cases.
3351 (df_ru_bb_local_compute_process_def,
3352 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3353 df_lr_bb_local_compute, df_ur_bb_local_compute,
3354 df_chain_create_bb): Made subreg aware.
3355 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3356 df_lr_bb_local_compute, df_lr_bb_local_compute,
3357 df_chain_create_bb): Cleanup to use proper macros.
3358 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3359 code to fixup bitvectors.
3360 (df_ri_alloc): Cleared lifetime.
3361 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3362 df_create_unused_note): New function.
3363 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3364 REG_DEAD and REG_UNUSED notes as well as register information.
3365 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3366 df_chains_dump): Fixed crash if problem was never run.
3367 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3368 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3369 df_ri_add_problem): Processes flags in uniform manner.
3370 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3371 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3372 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3373 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3374 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3375 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3376 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3377 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3378 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3379 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3380 * see.c (see_initialize_data): Ditto.
3381 * final.c (rest_of_clean_state) Added regstack_completed.
3382 * rtl.h (regstack_completed): Ditto.
3383 * reg-stack.c (regstack_completed): Ditto.
3385 2006-05-19 Mike Stump <mrs@apple.com>
3387 * c-tree.h (default_conversion): Remove.
3388 * c-common.h (default_conversion): Add.
3390 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3392 * tree-vrp.c (valid_value_p): New function.
3393 (adjust_range_with_scev): Fail if the value of bound is not
3396 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3398 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3399 (mips_fallback_frame_state): Use syscall numbers to determine
3400 the appropriate li instruction for the current ABI. Only use
3401 __NR_sigreturn for o32.
3403 2006-05-19 Nicolas Setton <setton@adacore.com>
3405 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3406 * langhooks.c (lhd_dwarf_name): New function.
3407 * langhooks-def.h (lhd_dwarf_name): Declare.
3408 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3409 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3410 * ada/misc.c (gnat_dwarf_name): New function.
3411 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3413 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3415 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3417 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3418 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3419 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3420 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3421 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3422 determine the size of Wtype, etc.
3423 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3424 (swfloatfuncs): New variable.
3425 (dwfloatfuncs): Likewise.
3426 (lib2funcs): Remove floating-point conversion functions from
3427 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3428 the set of conversion routines needed. Allow entries to specify
3429 an object name, filename and word size. Update users accordingly.
3430 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3431 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3435 2006-02-08 Roger Sayle <roger@eyesopen.com>
3438 * config/fixtfdi.c: New libgcc source file.
3439 * config/fixunstfdi.c: New source file.
3440 * config/floatditf.c: New source file.
3441 * config/floatunditf.c: New souce file.
3442 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3443 files above instead of config/mips/_tilib.c.
3444 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3446 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3448 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3449 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3451 2006-05-18 Mike Stump <mrs@apple.com>
3453 Fix up vla, vm and [*] sematics.
3459 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3460 (c_vla_unspec_p): Add.
3461 (c_vla_type_p): Add.
3462 * c-decl.c (struct c_scope): Add had_vla_unspec.
3463 (build_array_declarator): Add support for [*].
3464 (grokdeclarator): Likewise.
3465 (grokparms): Likewise.
3466 (get_parm_info): Likewise.
3467 * c-objc-common.c (c_vla_unspec_p): Likewise.
3468 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3469 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3470 typeof when argument is a variably modified type not inside sizeof or alignof.
3471 (c_parser_direct_declarator_inner): Propagate errors.
3472 (c_parser_sizeof_expression): Add support for [*].
3473 (c_parser_parms_declarator): Initialize had_vla_unspec.
3474 (c_parser_parms_list_declarator): Likewise.
3475 * c-typeck.c (c_vla_type_p): Add.
3476 (composite_type): Add support for vla compositing.
3477 (comptypes_internal): Add support for vla compatibility.
3478 (c_expr_sizeof_expr): Evaluate vla arguments.
3479 * tree.c (variably_modified_type_p): Update comment for [*].
3481 2006-05-18 Michael Matz <matz@suse.de>
3484 * config.host: Make assignments to host_xmake_file cumulative.
3485 * config.host (*-darwin*): Test $host, not $target.
3487 2006-05-12 Stuart Hastings <stuart@apple.com>
3489 * config/i386/i386.opt (-mstackrealign): New flag.
3490 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3491 (ix86_handle_cconv_attribute): Emit error when
3492 force_align_arg_pointer attribute collides with too many regparms.
3493 (ix86_function_regparm): Limit regparms when used with
3494 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3495 Support stack-realigning prologue in non-main functions. Emit
3496 warning for nested functions under -mstackrealign, emit error for
3497 nested functions with force_align_arg_pointer attribute.
3498 * doc/extend.texi (force_align_arg_pointer): Document it.
3499 * doc/invoke.texi (-mstackrealign): Document it.
3501 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3503 PR rtl-optimization/27477
3504 * combine.c (try_combine): Don't split a parallel consisting
3505 of two sets into two individual sets if both sets reference
3508 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3510 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3511 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3513 * doc/options.texi (VarExists): Updated.
3515 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3517 * unwind-dw2.c: Add declarations for uw_update_context and
3519 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3520 detected, advance frame state and context once to skip over stub.
3522 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3526 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3527 Call rewrite_into_loop_closed_ssa only when something changed.
3528 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3529 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3530 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3531 Test for perfect_nest_p here. Fix formating.
3532 (replace_uses_equiv_to_x_with_y): Fix formating.
3533 (stmt_uses_op): Removed.
3534 (can_convert_to_perfect_nest): Removed loopivs parameter.
3535 Complete the test by checking the scalar dependences.
3536 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3539 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3542 From Dan Kegel <dank@kegel.com>:
3543 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3545 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3547 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3548 if the element type is variably modified without recursing.
3550 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3553 * tree-loop-linear.c (try_interchange_loops): Test for
3554 no data dependences.
3556 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3558 PR tree-optimization/27548
3559 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3560 range of ssa names that appear on abnormal edges.
3561 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3562 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3564 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3567 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3569 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3572 * tree.h (OMP_PARALLEL_COMBINED): Define.
3573 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3574 (new_omp_context): Add is_combined_parallel argument.
3575 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3576 new_omp_context caller.
3577 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3578 Adjust gimplify_scan_omp_clauses callers.
3579 (omp_is_private): Issue errors if iteration variable is firstprivate
3580 or reduction in the current context.
3581 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3582 on combined parallel workshare constructs.
3584 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3586 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3587 (gcc-options.o): New rule.
3589 * optc-gen.awk: Protect variables for gcc-options.o with
3590 #ifdef GCC_DRIVER/#endif.
3592 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3594 Fix PR tree-optimization/27373
3595 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3596 (forward_propagate_addr_expr): Update call.
3598 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3600 * doc/options.texi: Move the Negative option.
3602 2006-05-16 Richard Guenther <rguenther@suse.de>
3604 PR tree-optimization/22303
3605 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3607 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3608 ccp_fold did not simplify the statement.
3610 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3613 * Makefile.in (GCC_OBJS): New.
3614 (OBJS-common): Add opts-common.o.
3615 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3616 (cpp$(exeext)): Likewise.
3617 (gcc.o): Also depend on opts.h.
3618 (opts-common.o): New.
3620 * common.opt (gcoff): Add Negative(gdwarf-2).
3621 (gdwarf-2): Add Negative(gstabs).
3622 (gstabs): Add Negative(gstabs+).
3623 (gstabs+): Add Negative(gvms).
3624 (gvms): Add Negative(gxcoff).
3625 (gxcoff): Add Negative(gxcoff+).
3626 (gxcoff+): Add Negative(gcoff).
3627 * config/i386/i386.opt (m32): Add Negative(m64).
3628 (m64): Add Negative(m32).
3630 * doc/options.texi: Document the Negative option.
3632 * gcc.c: Include "opts.h".
3633 (main): Call prune_options after expandargv.
3635 * optc-gen.awk: Generate common declarations for all flag
3636 variables in options.c. Output the neg_index field.
3638 * opts.c (find_opt): Moved to ...
3639 * opts-common.c: Here. New file.
3641 * opts.h (cl_option): Add a neg_index field.
3643 (prune_options): Likewise.
3645 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3648 * omp-low.c (expand_omp_parallel): Don't assert
3649 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3650 instead search for it.
3653 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3656 2006-05-16 Andreas Schwab <schwab@suse.de>
3658 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3661 2006-05-15 Roger Sayle <roger@eyesopen.com>
3664 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3665 integer constants other than zero are only legitimate on TARGET_64BIT.
3666 <CONST_VECTOR> Only zero vectors are legitimate.
3667 (ix86_cannot_force_const_mem): Integral and vector constants can
3668 always be put in the constant pool.
3670 2006-05-16 DJ Delorie <dj@redhat.com>
3672 * crtstuff.c (__dso_handle): Set section from
3673 TARGET_LBIGCC_SDATA_SECTION if defined.
3674 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3675 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3677 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3680 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3683 2006-05-16 Ben Elliston <bje@au.ibm.com>
3685 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3687 2006-05-15 Per Bothner <per@bothner.com>
3689 * tree.c: (last_annotated_node): Use source_locus typedef.
3690 This permits bootstrapping with --enable-mapped-location.
3692 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3694 PR tree-optimization/26830
3695 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3696 (info_for_ssa_name, current_info_for_ssa_name_age,
3697 blocks_to_update): New variables.
3698 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3699 (clear_ssa_name_info, initialize_flags_in_bb,
3700 mark_block_for_update): New functions.
3701 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3702 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3703 prepare_def_site_for): Use mark_block_for_update.
3704 (mark_def_interesting): Assert that the processed block is marked in
3705 blocks_to_update. Do not take blocks argument.
3706 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3708 (rewrite_update_init_block, rewrite_update_stmt): Only process
3709 blocks with statements to rewrite.
3710 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3711 (update_ssa): Initialize and free blocks_to_update. Do not
3712 clear flags on statements. Do not use blocks bitmap.
3713 * tree.h (SSA_NAME_AUX): Removed.
3714 (struct tree_ssa_name): Removed aux field.
3715 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3717 2006-05-15 Richard Guenther <rguenther@suse.de>
3719 PR tree-optimization/27603
3720 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3721 Do computations in original type.
3723 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3725 * see.c: Code style changes such as redundant paranthesis,
3726 redundant intialization of local variables etc.
3727 (see_main): Declared now as static.
3728 * doc/invoke.texi: Update that -fsee is not enabled by
3731 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3733 * omp-low.c (check_omp_nesting_restrictions): New function.
3734 (scan_omp_1): Call it.
3737 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3738 construct, return *VAR.
3740 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3742 PR rtl-optimization/27406
3743 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3746 2006-05-14 Roger Sayle <roger@eyesopen.com>
3748 PR rtl-optimization/27538
3749 * combine.c (expand_compound_operation): Call gen_lowpart
3750 before calling simplify_shift_const.
3752 2006-05-14 Roger Sayle <roger@eyesopen.com>
3754 PR rtl-optimization/22563
3755 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3756 a fixed width bitfield, always force the intermediates into psuedos.
3758 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3761 * mkconfig.sh: Use operator = instead of == for test.
3763 2006-05-13 Nick Clifton <nickc@redhat.com>
3765 * dwarf2out.c (dbx_reg_number): Check return value from
3766 LEAF_REG_REMAP and only use it if it is valid.
3767 (multiple_reg_loc_descriptor): Likewise.
3769 2006-05-13 Richard Guenther <rguenther@suse.de>
3771 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3774 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3776 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3777 information attached to non-INSNs such as NOTEs.
3778 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3780 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3782 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3784 * config/s390/s390.md: Adjust comment describing On constraint.
3786 2006-05-11 Jan Hubicka <jh@suse.cz>
3788 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3789 to be output at -O0.
3791 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3794 * fold-const.c (size_binop): Move sanity check for arguments to
3795 the beginning of the function.
3798 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3801 2006-05-11 Richard Guenther <rguenther@suse.de>
3804 * fold-const.c (fold_unary): Handle intermediate conversion
3805 to a pointer type like intermediate conversion to an integer
3806 type in folding of (T1)(T2)var to var.
3807 Match the code to the comment in the final conversion for
3808 (T1)(T2)var to (T1)var regarding to type precision. Rather
3809 than disallow T1 being of pointer type, assert that both T1
3810 and var are of pointer type or not. Make sure not to fall
3811 over the frontends lazyness wrt array to pointer decay though.
3813 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3815 * arm.c (arm_struct_value_rtx): Delete.
3816 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3817 (arm_init_cumulative_args): Always initialize nregs to zero.
3819 2006-05-10 Richard Guenther <rguenther@suse.de>
3821 PR tree-optimization/27532
3822 * tree-object-size.c (plus_expr_object_size): Fix typo.
3824 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3827 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3828 ashrdi_const, ashrdi3): Use a scratch register.
3830 2006-05-10 Richard Guenther <rguenther@suse.de>
3832 PR tree-optimization/27302
3833 * fold-const.c (operand_equal_p): For two comparisons,
3834 try comparison of one comparison code swapped if that yields
3837 2006-05-10 Ben Elliston <bje@au.ibm.com>
3839 * tree-pretty-print.c (pretty_print_string): No need to handle
3840 '\0' as a special character.
3842 * tree.h: Include "hashtab.h".
3843 (iterative_hash_expr): Use hashval_t in its prototype.
3844 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3846 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3849 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3850 (hppa*64*-*-hpux11*): Ditto.
3851 (hppa[12]*-*-hpux11*): Ditto.
3853 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3856 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3858 2006-05-09 Michael Matz <matz@suse.de>
3860 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3861 host_extra_gcc_objs and host_xmake_file.
3862 (<*-*-linux*>): Don't overwrite host_xmake_file.
3863 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3864 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3865 (host_detect_local_cpu): Declare.
3866 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3867 * config/i386/i386.c (override_options): Handle -mtune=native
3869 * config/i386/x-i386: New file.
3870 * config/i386/driver-i386.c: New file.
3871 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3874 2006-05-09 Dirk Mueller <dmueller@suse.de>
3875 Richard Guenther <rguenther@suse.de>
3878 * fold-const.c (fold_read_from_constant_string): Relax check
3879 for matching types to matching modes.
3881 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3883 PR rtl-optimization/27335
3884 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3887 2006-05-08 Chao-ying Fu <fu@mips.com>
3888 Richard Sandiford <richard@codesourcery.com>
3890 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3891 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3892 * config/mips/mips.md (UNSPEC_SCC): New constant.
3893 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3894 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3895 (mips_emit_compare): Use it.
3896 (mips_expand_vcondv2sf): New function.
3898 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3900 Fix PR tree-optimization/27093
3901 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3902 renaming when they become not-used_alone.
3904 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3906 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3907 relocation and relocation stubs.
3909 2006-05-08 Eric Christopher <echristo@apple.com>
3911 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3914 2006-05-08 Jan Hubicka <jh@suse.cz>
3917 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3918 unused static functions are needed.
3920 2006-05-08 Roger Sayle <roger@eyesopen.com>
3923 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3924 of a reg_equiv_constant if the result is a legitimate constant.
3926 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3929 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3930 standard 80387 constants, raise the cost to prevent
3931 compress_float_constant() to generate load from memory.
3933 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3935 * config/arm/constraints.md (c): Fix a typo.
3937 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3940 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3943 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3945 (_mm_mwait): Likewise.
3947 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3949 (sse3_monitor): Make it 32bit only.
3950 (sse3_monitor64): New. 64bit monitor.
3952 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3955 * config/i386/i386.c (classify_argument): Skip fields with invalid
3958 2006-05-07 Richard Guenther <rguenther@suse.de>
3960 PR tree-optimization/27409
3961 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3962 Do not try to find zero-sized subvars.
3964 2006-05-07 Richard Guenther <rguenther@suse.de>
3966 PR tree-optimization/27136
3967 * tree-ssa-loop-niter.c (get_val_for): Correct function
3968 comment, assert requirements.
3969 (loop_niter_by_eval): Stop processing if the iterated
3970 value did not simplify.
3972 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3974 * opts.c (flag_see): remove its setting at -O3.
3976 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3978 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3979 * arm/constraints.md: New file.
3980 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3981 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3982 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3983 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3984 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3985 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3986 * arm.md: Include constraints.md.
3987 (thumb_movsi_insn): Use satisfies_constraint_J.
3988 (movhi, movqi): Use satisfies_constraint_I.
3990 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3992 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3993 for atmeg a645 device.
3995 2006-05-06 Richard Guenther <rguenther@suse.de>
3997 PR tree-optimization/27151
3998 * tree-vect-transform.c (vectorizable_condition): Punt on
3999 values that have a different type than the condition.
4001 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4004 * c-parser.c (c_parser_cast_expression): Only insert casts into
4005 hash table if pointer.
4006 * function.c (used_types_insert_helper): Rename from
4008 (used_types_insert): Call used_types_insert_helper.
4009 * function.h (used_types_insert): Accept only one argument.
4011 2006-05-05 David Edelsohn <edesohn@gnu.org>
4013 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4014 scratch with output modifier.
4016 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4019 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4020 with output modifier.
4022 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4025 * config/mips/mips.c (mips_symbolic_address_p): Return true
4026 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4027 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4029 2006-05-04 Richard Guenther <rguenther@suse.de>
4031 PR tree-optimization/14287
4032 PR tree-optimization/14844
4033 PR tree-optimization/19792
4034 PR tree-optimization/21608
4035 PR tree-optimization/27090
4036 * tree-ssa-pre.c (try_combine_conversion): New function.
4037 (compute_avail): After constructing the value-handle
4038 expression, use try_combine_conversion to combine NOP_EXPRs
4039 with previous value-handle expressions and use the result if it
4042 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4044 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4046 2006-05-04 Jan Hubicka <jh@suse.cz>
4049 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4051 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4053 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4054 that this only matches CONST_INTs. All users changed to VOIDmode
4057 * config/bfin/bfin.c: Include "optabs.h".
4058 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4060 (enum bfin_builtins): Add a number of fractional and vector builtins.
4061 (bfin_init_builtins): Likewise.
4062 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4063 (safe_vector_operand, bfin_expand_binop_builtin,
4064 bfin_expand_unop_builtin): New functions.
4065 (bfin_expand_builtin): Handle the new builtins.
4066 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4069 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4072 * Makefile.in (OBJS-common): Add see.o.
4073 (see.o): Add dependencies.
4074 * common.opt (fsee): New flag for the see optimization was added.
4075 * opts.c (flag_see): Initialized.
4076 * passes.c (init_optimization_passes, pass_see): New pass.
4077 * rtl.h (see_main): Declaration as extern.
4078 * timevar.def (TV_SEE): New.
4079 * tree-pass.h (pass_see): Declaration as extern.
4080 * invoke.texi (-fsee): Document.
4081 * recog.c (validate_simplify_insn): New function.
4082 * recog.h (validate_simplify_insn): Declaration as extern.
4083 * df-problems.c (df_chain_dump): Check for NULL.
4085 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4086 Daniel Berlin <dberlin@dberlin.org>
4088 * cfgrtl.c (insert_insn_bb_end_new): New function.
4089 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4091 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4093 * df.h (struct web_entry): Moved from web.c.
4094 (union_defs): Declaration as extern.
4095 (unionfind_root): Likewise.
4096 (unionfind_union): Likewise.
4097 * web.c (struct web_entry): Moved to df.h.
4098 (unionfind_root): Remove static declaration.
4099 (unionfind_union): Likewise.
4100 (union_defs): Likewise and generalize to use callback function.
4101 (web_main): Update arguments for union_defs function call.
4103 2006-05-04 Richard Guenther <rguenther@suse.de>
4105 PR tree-optimization/26447
4106 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4107 produce SSA_NAME copies before the store stmt to avoid
4108 breaking exception handling.
4110 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4113 * gimplify.c (omp_is_private): If var is shared in some outer context,
4114 return false instead of true. Stop searching on parallel context
4117 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4120 * coverage.c: Use get_gcov_unsigned_t() instead of
4121 unsigned_type_node all over.
4123 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4125 PR tree-optimization/27381
4126 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4127 maintain the same immediate_use links.
4128 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4129 node rather than segfaulting.
4131 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4134 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4135 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4136 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4138 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4140 Fix PR tree-optimization/26626
4141 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4143 * tree-ssa-operands.c (access_can_touch_variable): Allow
4144 typecasting through union pointers.
4146 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4149 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4150 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4151 to find if var will be a global variable even in the nested context.
4152 (omp_copy_decl): Only check for global variable at the end, it might
4153 be overridden in outer contexts.
4154 (scan_sharing_clauses): For global variables don't create a field.
4155 (lower_rec_input_clauses): Do nothing for global shared variables.
4156 Emit a barrier at the end of ILIST if there were any decls in both
4157 firstprivate and lastprivate clauses.
4158 (lower_send_clauses): Do nothing for global variables except for
4161 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4163 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4164 of the correct signedness is returned.
4166 2006-05-02 Jeff Law <law@redhat.com>
4168 PR tree-optimization/27364
4169 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4170 multiply expressions.
4172 2006-05-02 Tom Tromey <tromey@redhat.com>
4174 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4176 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4179 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4180 -mthumb -fPIC are used.
4182 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4183 Joshua Kinard <kumba@gentoo.org>
4186 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4187 with 64-bit pointers.
4189 2006-05-02 Paul Brook <paul@codesourcery.com>
4191 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4193 (create_fix_barrier): Check that a suitable barrier location is
4195 (arm_reorg): Include ftmp->address in allowable range of addresses.
4197 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4200 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4203 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4206 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4207 around RESULT_DECL for result passed by reference.
4208 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4209 * omp-low.c (use_pointer_for_field): Don't look at
4210 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4211 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4212 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4213 time or var for passing by reference for
4214 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4215 TREE_ADDRESSABLE variables when passing by reference.
4217 * omp-low.c (dump_omp_region): Fix output formatting.
4220 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4221 (expand_omp_parallel): Likewise.
4222 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4225 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4226 on statement list containing also constructors and destructors.
4227 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4230 * except.c (duplicate_eh_regions): Fix clearing of
4231 cfun->eh->region_array entries.
4233 2006-05-01 DJ Delorie <dj@redhat.com>
4235 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4237 (gcc_cv_objdump): Likewise.
4238 * configure: Regenerated.
4240 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4243 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4244 templates for case 3 and 4.
4246 2006-05-01 DJ Delorie <dj@redhat.com>
4248 * vec.c: Include bconfig.h when appropriate.
4249 * Makefile.in (build/vec.o): Adjust dependencies.
4250 * mkconfig.sh: Make sure config.h isn't used for build machine
4253 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4255 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4257 (mark_phi_for_rewrite): New function.
4258 (insert_phi_nodes_for, mark_use_interesting): Call
4259 mark_phi_for_rewrite.
4260 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4261 (update_ssa): Initialize and free phis_to_rewrite.
4263 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4265 PR rtl-optimization/27291
4266 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4267 folded to a constant.
4269 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4271 PR tree-optimization/27283
4272 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4273 not whole # of iteration descriptions.
4274 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4275 uses abnormal ssa name.
4276 (niter_for_single_dom_exit): Ditto.
4277 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4278 return just the number of iterations.
4280 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4282 PR tree-optimization/27144
4283 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4284 (record_estimate): Only record constant upper bound.
4285 (infer_loop_bounds_from_undefined): Call
4286 compute_estimated_nb_iterations just once.
4287 (proved_non_wrapping_p): Renamed to ...
4288 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4289 (convert_step_widening, scev_probably_wraps_p): Call
4290 n_of_executions_at_most instead of proved_non_wrapping_p.
4291 (substitute_in_loop_info): Do not replace values in bounds.
4292 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4295 2006-05-01 Richard Henderson <rth@redhat.com>
4298 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4299 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4302 2006-05-01 Roger Sayle <roger@eyesopen.com>
4304 * c-typeck.c (parser_build_binary_op): Don't call the function
4305 unsigned_conversion_warning to spot operand/result type overflow.
4306 (build_binary_op): Instead, call convert_and_check instead of
4307 convert to report the problem when the operands are promoted.
4308 * c-common.c (unsigned_conversion_warning): Make static.
4309 * c-common.h (unsigned_conversion_warning): Delete prototype.
4311 2006-05-01 Richard Guenther <rguenther@suse.de>
4313 PR tree-optimization/26726
4314 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4316 (find_interesting_uses_address): ... we work around here
4317 by folding INDIRECT_REFs in the substituted base.
4319 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4321 * omp-low.c (dump_omp_region): Add newlines.
4323 2006-04-30 Roger Sayle <roger@eyesopen.com>
4325 * common.opt (Woverflow): New command line option.
4326 * c-common.c (constant_expression_warning): Check warn_overflow.
4327 (overflow_waring): Pass OPT_Woverflow to warning.
4328 (unsigned_conversion_warning): Likewise.
4329 (convert_and_check): Likewise.
4330 * doc/invoke.texi: Document new command line option.
4332 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4334 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4335 TARGET_NO_FP_IN_TOC for section anchors.
4336 (optimization_options): Enable section anchors for all
4337 non-"Objective" languages.
4339 2006-04-28 Eric Christopher <echristo@apple.com>
4341 * config/darwin-c.c (darwin_ms_struct): Move this
4342 (darwin_set_default_type_attributes): and this...
4343 * config/darwin.c: ... here.
4344 * config/darwin.h (darwin_ms_struct): Declare.
4346 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4348 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4350 2006-04-28 Roger Sayle <roger@eyesopen.com>
4353 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4354 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4355 an unsigned HOST_WIDE_INT.
4356 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4358 (really_start_incremental_init): No need to call convert because
4359 bitsize_zero_node is already of type bitsizetype.
4360 (push_init_level): Extract the value of constructor_index as an
4361 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4362 (process_init_element): Likewise.
4364 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4366 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4367 value before passing to make_relative_prefix.
4369 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4372 * builtins.c (expand_builtin_memset): Expand val in original mode.
4374 2006-04-27 Eric Christopher <echristo@apple.com>
4376 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4377 with #ifndef/#endif.
4378 * config/darwin-c.c (darwin_ms_struct): New.
4379 (darwin_pragma_ms_struct): Ditto.
4380 (darwin_set_default_type_attributes): Ditto.
4381 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4382 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4383 Register ms_struct pragma.
4384 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4385 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4386 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4387 darwin_set_default_type_attributes if TARGET_MACHO.
4389 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4391 PR tree-optimization/26854
4392 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4393 * doc/tree-ssa.texi: Update immuse iterator documentation.
4394 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4395 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4396 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4397 first_safe_imm_use, next_safe_imm_use): Remove.
4398 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4399 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4400 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4401 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4402 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4403 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4404 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4405 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4406 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4407 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4408 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4409 (perfect_nestify): Use new iterator.
4410 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4412 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4413 (next_imm_name): New field in struct immediate_use_iterator_d.
4414 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4415 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4416 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4417 * tree-cfg.c (replace_uses_by): Use new iterator.
4418 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4419 * tree-ssa-operands.c (correct_use_link): Remove.
4420 (finalize_ssa_use_ops): No longer call correct_use_link.
4422 2006-04-27 Stuart Hastings <stuart@apple.com>
4424 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4425 * config/t-darwin (crt3.o): Use it.
4426 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4427 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4428 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4429 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4430 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4433 2006-04-27 Roger Sayle <roger@eyesopen.com>
4435 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4436 size, force the intermediate into a new pseudo rather instead of
4437 performing both a bitwise AND and a bitwise IOR in memory.
4439 2006-04-27 Richard Guenther <rguenther@suse.de>
4441 PR rtl-optimization/26685
4442 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4443 this one "max-flow-memory-locations".
4445 2006-04-27 Richard Guenther <rguenther@suse.de>
4447 PR tree-optimization/25148
4448 * tree-vrp.c (compare_values): Remove code dealing with
4449 comparisons against type min/max value. Honour overflow
4450 and negative constants in code dealing with comparisons
4451 of plus and minus expressions.
4452 (value_inside_range): Use fold_binary with LE_EXPR and
4453 GE_EXPR rather than compare_values.
4455 2006-04-27 Dirk Mueller <dmueller@suse.de>
4457 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4460 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4462 * basic-block.h (safe_insert_insn_on_edge): Removed.
4463 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4465 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4466 Paolo Bonzini <bonzini@gnu.org>
4469 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4470 (simplify_and_const_int): Same.
4472 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4474 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4476 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4479 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4480 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4481 cgraph_global_info_ready.
4484 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4487 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4488 either decl or init is error_mark_node.
4491 * tree-flow.h (struct omp_region): Add sched_kind.
4492 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4493 instead of extracting omp for data.
4494 (expand_omp_for): Save extracted sched_kind.
4496 2006-04-25 Roger Sayle <roger@eyesopen.com>
4498 * expmed.c (store_bit_field): Also check whether the bitsize is
4499 valid for the machine's "insv" instruction before moving the
4500 target into a pseudo for use with the insv.
4501 * config/i386/predicates.md (const8_operand): New predicate.
4502 * config/i386/i386.md (extv, extzv, insv): Use the new
4503 const8_operand predicate where appropriate.
4505 2006-04-25 DJ Delorie <dj@redhat.com>
4507 * doc/install.texi (Specific): Clarify that this is not a list of
4508 supported hosts or targets.
4510 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4512 PR rtl-optimization/26725
4513 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4514 block's BB_DIRTY flag.
4516 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4518 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4521 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4522 to print an integer.
4524 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4526 * varasm.c (align_variable): New function.
4527 (get_block_for_decl): Apply align_variable to DECL before
4528 calculating section information.
4529 (assemble_variable): Split out alignment computation.
4531 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4533 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4536 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4538 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4539 MODE_PARTIAL_INT mode.
4540 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4541 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4543 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4544 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4546 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4548 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4550 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4551 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4552 MACFLAG_IH): Likewise.
4553 (movstricthi_1): Renamed from "*movstricthi".
4554 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4555 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4556 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4557 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4558 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4559 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4560 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4561 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4562 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4563 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4564 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4565 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4566 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4567 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4568 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4570 * doc/rtl.texi (ss_ashift): Improve wording.
4572 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4574 * dwarf2out.c (verify_marks_clear): New.
4575 (prune_unused_types): Call verify_marks_clear initially, not
4578 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4580 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4581 * doc/rtl.texi: Document them.
4582 * simplify-rtx.c (simplify_unary_operation,
4583 simplify_binary_operation_1): Don't abort when we see them.
4585 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4588 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4589 * configure.ac: Completely disregard languages that are not
4591 * configure: Regenerated.
4593 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4594 Richard Guenther <rguenther@suse.de>
4596 PR tree-optimization/27236
4597 * tree-inline.c (copy_body_r): Make sure to copy
4598 TREE_THIS_VOLATILE flag.
4600 2006-04-24 Richard Guenther <rguenther@suse.de>
4603 * tree-complex.c (update_parameter_components): Don't handle
4604 unused parameters which have no default def.
4606 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4607 Richard Guenther <rguenther@suse.de>
4609 PR tree-optimization/27218
4610 * tree-inline.c (expand_call_inline): Strip useless type
4611 conversions for the return slot address.
4613 2006-04-24 Richard Guenther <rguenther@suse.de>
4615 * cfgloop.h (struct loops): Remove unused field array. Reorder
4617 (LOOP_PREFETCH): Remove.
4619 2006-04-24 Richard Guenther <rguenther@suse.de>
4621 PR tree-optimization/22525
4622 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4623 variable, adjust types of generated expressions.
4625 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4627 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4628 (tree-vect-patterns.o): Likewise.
4630 (cselib.o): Likewise.
4631 (loop-doloop.o): Likewise.
4632 (regclass.o): Likewise.
4633 (reload1.o): Likewise.
4634 (explow.o): Replace target.h with $(TARGET_H).
4635 (ipa-prop.o): Likewise.
4636 (ipa-cp.o): Likewise.
4637 (ipa-inline.o): Likewise.
4638 (reorg.o): Likewise.
4639 (reg-stack.o): Likewise.
4641 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4643 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4645 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4647 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4649 * configure.ac: Completely disregard languages that are not
4651 * configure: Regenerated.
4654 * c-common.h (c_build_bitfield_integer_type): Declare.
4655 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4656 * c-common.c (c_build_bitfield_integer_type): ... here.
4658 2006-04-23 Roger Sayle <roger@eyesopen.com>
4661 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4662 a SImode SUBREG of a floating point register after no_new_pseudos.
4664 2006-04-23 Roger Sayle <roger@eyesopen.com>
4666 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4667 identify potentially eliminable registers to additionally catch
4668 VIRTUAL_INCOMING_ARGS_REGNUM.
4669 (addsi3): Update the conditions on when to use addsi_small_int.
4671 2006-04-23 Roger Sayle <roger@eyesopen.com>
4674 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4675 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4676 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4678 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4680 * fold-const.c (range_predecessor): Use operand_equal_p
4681 as the predicate for equality.
4682 (range_successor): Likewise.
4684 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4687 * config/soft-fp/op-common.h: Fix a typo.
4689 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4692 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4693 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4695 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4697 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4699 * doc/tm.texi: Fix a typo.
4701 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4703 * dwarf2out.c (struct die_struct): Document that die_sib makes
4704 a circular linked list.
4705 (FOR_EACH_CHILD): New.
4706 (reverse_die_lists): Delete.
4707 (reverse_all_dies): Delete.
4708 (add_dwarf_attr): Correct documentation.
4709 (remove_child_with_prev): New.
4710 (remove_child_TAG): Update for change to die_struct, use
4711 remove_child_with_prev.
4712 (add_child_die): Update for change to die_struct.
4713 (splice_child_die): Use remove_child_with_prev and add_child_die.
4714 (print_die): Use FOR_EACH_CHILD.
4715 (die_checksum): Likewise.
4716 (assign_symbol_names): Likewise.
4717 (output_location_lists): Likewise.
4718 (build_abbrev_table): Likewise.
4719 (calc_die_sizes): Likewise.
4720 (mark_dies): Likewise.
4721 (unmark_dies): Likewise.
4722 (unmark_all_dies): Likewise.
4723 (output_die): Likewise.
4724 (prune_unused_types_mark): Likewise.
4725 (prune_unused_types_walk): Likewise.
4726 (same_die_p): Update for change to die_struct.
4727 (break_out_includes): Likewise.
4728 (prune_unused_types_prune): Likewise.
4729 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4730 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4732 (dwarf2out_finish): Don't call reverse_all_dies.
4734 2006-04-21 Eric Christopher <echristo@apple.com>
4736 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4737 in comments and function names.
4739 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4742 * c-typeck.c (digest_init): Robustify.
4744 * c-typeck.c (pop_init_level): Simplify.
4746 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4748 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4750 2006-04-21 Paul Brook <paul@codesourcery.com>
4752 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4753 hardware floating point.
4755 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4757 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4760 2006-04-21 Nick Clifton <nickc@redhat.com>
4762 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4765 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4768 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4769 C++ lang type in traceback table for Objective-C++.
4771 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4773 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4775 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4777 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4780 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4781 were errors. Remove check for erroneous objects.
4783 2006-04-20 Jeff Law <law@redhat.com>
4785 PR tree-optimization/26854
4786 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4787 checking for zero or one use.
4788 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4789 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4790 * tree-ssa-reassoc.c (negate_value): Similarly.
4791 (reassociate_bb): Similarly.
4793 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4795 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4796 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4797 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4799 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4801 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4802 fp regs if the last fp arg doesn't fit in regs.
4804 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4807 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4808 that the last insn has the REG_INC note.
4810 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4811 Nathan Sidwell <nathan@codesourcery.com>
4814 * stor-layout.c (update_alignment_for_field): Do not align
4816 (place_union_field): Place union field at the start of the union.
4817 (place_field): Move ERROR_MARK check later, and use the current
4818 allocation position to maintain monotonicity.
4820 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4822 * dominance.c: Include timevar.h.
4823 (calculate_dominance_info): Use TV_DOMINANCE.
4824 * timevar.def (TV_DOMINANCE): New timevar.
4825 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4827 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4829 PR rtl-optimization/14261
4830 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4831 move would be an INSV insn.
4832 (noce_process_if_block): Don't optimize if the destination is a
4833 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4835 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4837 * config/s390/s390.md: Add comments with the instructions emitted
4838 by an insn pattern if macros are used.
4840 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4842 PR rtl-optimization/26026
4843 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4844 is a known power of two shifted left a variable amount.
4846 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4848 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4849 to hash table twice when the debug_str section has SECTION_MERGE.
4851 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4853 * config/soft-fp: New directory. From glibc.
4854 * config/soft-fp/t-softfp: New.
4855 * config/soft-fp/README: New.
4856 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4857 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4858 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4859 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4860 * config.gcc: Use rs6000/t-fprules-fpbit or
4861 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4863 * config/rs6000/sfp-machine.h: New. Based on glibc.
4864 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4866 * config/rs6000/t-fprules: Remove fp-bit rules.
4867 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4868 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4869 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4870 (softfp_wrap_start, softfp_wrap_end): New.
4872 2006-04-18 DJ Delorie <dj@redhat.com>
4874 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4876 2006-04-18 Devang Patel <dpatel@apple.com>
4878 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4880 2006-04-18 Nick Clifton <nickc@redhat.com>
4882 * config/sh/t-symbian: Add rule to build sh-c.o
4883 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4884 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4885 (sh_symbian_encode_section_info): Likewise.
4887 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4889 * builtins.c (expand_builtin_strcmp): Cover label definition of
4890 do_libcall with HAVE_cmpstrnsi.
4892 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4894 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4896 * function.h (temp_slot_p): New.
4897 (function): Change the type of x_used_temp_slots to
4898 VEC(temp_slot_p,gc) *.
4900 2006-04-18 Nick Clifton <nickc@redhat.com>
4902 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4903 flag_strength_reduce.
4905 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4907 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4911 Partial revert of revision 112637
4912 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4913 Dale Johannesen <dalej@apple.com>
4916 * regclass.c (struct reg_pref): Update documentation.
4917 (regclass): Set prefclass to NO_REGS if memory is the best option.
4918 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4920 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4922 PR tree-optimization/26821
4923 * tree-ssa-math-opts.c (get_constant_one): New.
4924 (insert_reciprocals): Use it.
4926 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4928 * dwarf2out.c (free_AT): Delete.
4929 (remove_AT): Update string ref counts.
4930 (remove_child_TAG): Don't call free_die.
4932 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4933 or DW_TAG_GNU_EINCL.
4934 (prune_unused_types_walk_attribs): Reset string refcounts.
4935 (prune_unused_types_update_strings): New.
4936 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4937 call free_die. Do call prune_unused_types_update_strings.
4938 (prune_unused_types): Empty debug_str_hash.
4940 2006-04-17 Roger Sayle <roger@eyesopen.com>
4942 * expr.c (expand_assignment): Optimize away no-op moves where the
4943 source and destination are equal and have no side-effects.
4945 2006-04-17 Richard Guenther <rguenther@suse.de>
4948 * reload.c (push_reload): Guard calls to get_secondary_mem
4951 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4953 * alias.c (reg_base_value, old_reg_base_value): Change the
4954 type to VEC(rtx,gc) *.
4955 (REG_BASE_VALUE, find_base_value, record_set,
4956 init_alias_analysis): Use VEC instead of VARRAY.
4958 * alias.c (alias_sets): Change the type to
4959 VEC(alias_set_entry,gc) *.
4960 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4961 VEC instead of VARRAY.
4962 (last_alias_set): Remove.
4964 * cgraph.h (cgraph_edge_p): New.
4965 Update the prototype of cgraph_function_versioning.
4966 * cgraphunit.c (cgraph_copy_node_for_versioning,
4967 cgraph_function_versioning): Use VEC instead of VARRAY.
4968 * ipa-cp.c (ipcp_insert_stage): Likewise.
4970 2006-04-16 Roger Sayle <roger@eyesopen.com>
4973 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4974 "A op B" or "A op C", we may need to convert A to the type of B and C.
4976 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4978 * target.h (struct gcc_target): Add mode_rep_extended.
4979 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4980 (init_num_sign_bit_copies_in_rep): Initialize it using
4982 (truncate_to_mode): Use it.
4983 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4984 * targhooks.h (default_mode_rep_extended): Declare it.
4985 * targhooks.c (default_mode_rep_extended): Define it.
4986 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4987 default_mode_rep_extended.
4988 (TARGET_INITIALIZER): Include it.
4989 * doc/tm.texi (Misc): Document it.
4990 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4991 (mips_truncated_to_mode): New function.
4993 2006-04-16 Roger Sayle <roger@eyesopen.com>
4996 * expr.c (compress_float_constant): Copy the narrow constant into
4997 a new pseudo before extending it to its final width.
4999 2006-04-16 Roger Sayle <roger@eyesopen.com>
5000 Andrew Pinski <pinskia@gcc.gnu.org>
5001 Dale Johannesen <dalej@apple.com>
5004 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5005 special case code to implement V8HImode and V16QImode with SSE2.
5007 2006-04-15 Roger Sayle <roger@eyesopen.com>
5009 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5010 trees are constructed with a suitable tree type.
5012 2006-04-15 Roger Sayle <roger@eyesopen.com>
5014 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5015 (integer_onep): Likewise.
5016 (integer_all_onesp): Likewise.
5017 (integer_pow2p): Likewise.
5018 (integer_nonzerop): Likewise.
5019 (real_zerop): Likewise.
5020 (real_onep): Likewise.
5021 (real_twop): Likewise.
5022 (real_minus_onep): Likewise.
5023 (int_size_in_bytes): Likewise.
5024 (host_integerp): Likewise.
5026 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5028 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5029 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5030 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5032 * tree-ssa-structalias.h (alias_info): Remove num_references.
5034 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5036 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5037 (output_bvb patterns): Likewise.
5038 * pa.c (output_bb): Use 'bb' insn for long branch case.
5039 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5040 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5041 1. Correct length operand for alternatives 1 and 2.
5042 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5043 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5045 2006-04-14 Roger Sayle <roger@eyesopen.com>
5047 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5048 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5049 were accidentally reverted by r112959.
5051 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5054 * except.h (eh_region_outermost): New prototype.
5055 * except.c (eh_region_outermost): New function.
5056 * tree-cfg.c (find_outermost_region_in_block): Use it.
5058 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5060 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5062 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5063 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5064 (init_reload, reload): Use VEC instead of VARRAY.
5065 * reload.h: Update the prototype for
5066 reg_equiv_memory_loc_varray.
5068 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5069 Eric Botcazou <ebotcazou@libertysurf.fr>
5071 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5074 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5077 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5078 to expand fallback builtin function call.
5080 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5083 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5084 and emit libcall here in case the builtin fails.
5085 (expand_builtin_strcmp): Always emit the libcall here on failure.
5087 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5089 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5090 * flow.c (reg_n_info): Change the type to
5091 VEC(reg_info_p,heap) *.
5092 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5094 * regs.h (reg_info_p): New.
5095 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5096 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5097 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5100 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5102 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5104 * params.h (MAX_SCHED_READY_INSNS): New macro.
5105 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5106 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5107 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5108 the ready list for 1 cycle during the first scheduling pass.
5109 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5111 2006-04-13 Richard Henderson <rth@redhat.com>
5114 * gimple-low.c (lower_omp_directive): Remove dead code.
5115 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5116 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5117 * omp-low.c (struct omp_region): Move to tree-flow.h.
5118 (root_omp_region): Export.
5119 (omp_regions, lookup_omp_region): Remove.
5120 (determine_parallel_type): Update for struct omp_region changes.
5121 (dump_omp_region): Dump regions with block numbers.
5122 (new_omp_region): Take type and block instead of stmt; malloc
5124 (free_omp_region_1, free_omp_regions): New.
5125 (expand_parallel_call): Take entry_stmt as argument; update for
5126 changes to omp_region.
5127 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5128 (remove_exit_barriers): New.
5129 (expand_omp_parallel): Update for struct omp_region changes.
5130 (expand_omp_synch): Likewise.
5131 (expand_omp): Likewise.
5132 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5133 (expand_omp_for_static_chunk): Likewise.
5134 (expand_omp_for): Likewise.
5135 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5136 (expand_omp_sections): Similarly, with GOMP_sections_end.
5137 (expand_omp_single): New.
5138 (build_omp_regions_1): Update for OMP_CONTINUE.
5139 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5140 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5141 OMP_SECTIONS_SECTIONS.
5142 (lower_omp_single_simple): Don't emit barrier here.
5143 (lower_omp_single_copy): Likewise.
5144 (lower_omp_single): Fix bindings, and lower to straightline now.
5145 (lower_omp_master, lower_omp_ordered): Likewise.
5146 (lower_omp_critical): Likewise.
5147 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5148 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5149 omp edges, free it afterward.
5150 (make_omp_sections_edges): Remove.
5151 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5152 (move_stmt_r): Handle OMP_CONTINUE.
5153 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5154 statement pointers to basic blocks. Add type member.
5155 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5156 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5157 * tree-inline.c (estimate_num_insns_1): Likewise.
5158 * tree-pretty-print.c (dump_generic_node): Likewise.
5159 * tree-ssa-operands.c (get_expr_operands): Likewise.
5160 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5161 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5162 (OMP_CONTINUE): New.
5163 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5164 (OMP_SECTIONS_SECTIONS): Remove.
5165 (OMP_SECTION_LAST): New.
5166 (OMP_RETURN_NOWAIT): New.
5168 2006-04-13 Roger Sayle <roger@eyesopen.com>
5170 * fold-const.c (native_encode_vector, native_interpret_real):
5171 Correct obvious mistakes in the previous check-in.
5173 2006-04-13 Roger Sayle <roger@eyesopen.com>
5175 * fold-const.c (native_encode_expr): New function to encode
5176 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5177 or VECTOR_CST into a specified buffer.
5178 (native_encode_int): New function.
5179 (native_encode_real): New function.
5180 (native_encode_complex): New function.
5181 (native_encode_vector): New function.
5182 (native_interpret_expr): Inverse of native_encode_expr to convert
5183 a target representation into an INTEGER_CST, REAL_CST etc...
5184 (native_interpret_int): New function.
5185 (native_interpret_real): New function.
5186 (native_interpret_complex): New function.
5187 (native_interpret_vector): New function.
5188 (fold_view_convert_expr): New function to constant fold/evaluate
5189 a VIEW_CONVERT_EXPR of a suitable constant expression.
5190 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5191 Change call of build1 to fold_build1 when constructing a
5194 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5195 Ulrich Weigand <uweigand@de.ibm.com>
5198 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5201 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5204 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5205 optimize to lo_sum for DFmode if !TARGET_FPRS.
5207 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5209 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5210 delete_alias_info, compute_flow_sensitive_aliasing,
5211 group_aliases): Use VEC instead of VARRAY.
5212 * tree-ssa-structalias.c (update_alias_info): Likewise.
5213 * tree-ssa-structalias.h (alias_info): Change the type of
5214 processed_ptrs to VEC(tree,heap) *.
5216 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5219 * config/sh/lib1funcs.h: New file, broken out of:
5220 * config/sh/lib1funcs.asm.
5221 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5223 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5224 * config/sh/lib1funcs-Os-4-200.asm: New file.
5225 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5226 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5227 (EXTRA_MULTILIB_PARTS): Include it.
5228 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5229 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5230 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5231 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5234 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5236 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5237 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5238 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5240 * tree-ssa-live.h: Include vecprim.h.
5241 (tree_partition_associator_d): Change the type of
5242 first_partition to VEC(int,heap) *.
5243 (tpa_first_partition): Use VEC instead of VARRAY.
5245 * Makefile.in (GTFILES): Move functions.h after tree.h.
5246 * function.c (reset_block_changes, record_block_change,
5247 check_block_change, free_block_changes): Use VEC instead of
5249 * function.h (function): Change the type of
5250 ib_boundaries_block to VEC(tree,gc) *.
5251 * tree-inline.c (copy_cfg_body): Initialize
5252 ib_boundaries_block to NULL instead of (varray_type) 0.
5254 2006-04-12 Roger Sayle <roger@eyesopen.com>
5256 * expr.c (emit_group_store): Correct operand order in call to
5257 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5258 a SUBREG_BYTE of zero.
5260 2006-04-12 Richard Guenther <rguenther@suse.de>
5262 * profile.c (compute_branch_probabilities): Remove code
5263 encapsulated in !ir_type (), which are remanents of the
5264 removed RTL profiling code.
5265 * rtl-profile.c: Remove.
5267 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5269 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5270 magic NULL_RTX comment.
5271 (function_arg): Store entire fp arg to mem if any part should go
5273 (rs6000_arg_partial_bytes): Adjust for above change.
5275 2006-04-11 Roger Sayle <roger@eyesopen.com>
5277 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5278 if it hasn't been initialized by dwarf2out_init.
5280 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5282 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5283 symbolic constants in branch patterns.
5285 2006-04-11 Roger Sayle <roger@eyesopen.com>
5287 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5289 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5291 PR rtl-optimization/27073
5292 * gcse.c (try_replace_reg): Revert last change. Continue to search
5293 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5296 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5298 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5299 aggregate types other than record and union types.
5300 (function_arg): Likewise.
5301 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5303 (function_value): In 64-bit mode, return objects that require it
5306 2006-04-11 Roger Sayle <roger@eyesopen.com>
5308 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5310 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5312 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5314 2006-04-03 Jeff Law <law@redhat.com>
5317 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5318 alias information too.
5320 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5322 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5324 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5327 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5328 (premark_used_types_helper): New.
5329 (premark_used_types): New.
5330 (gen_subprogram_die): Call premark_used_types.
5331 (prune_unused_types_walk): Do not prune perennial dies.
5332 * function.c (used_types_insert): New.
5333 * function.h (struct function): Add used_types_hash field.
5334 (used_types_insert): Add prototype.
5335 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5336 * c-parser.c (c_parser_cast_expression): Save casted types in used
5339 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5342 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5343 rs6000_explicit_options.float_gprs.
5345 2006-04-10 Roger Sayle <roger@eyesopen.com>
5347 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5348 from ix86_expand_vector_init_low_nonzero. Take an additional
5349 one_var argument indicating which element is non-zero. Support
5350 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5351 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5352 with one_var instead of ix86_expand_vector_init_low_nonzero.
5354 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5356 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5357 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5358 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5359 build/genextract.o): Depend on vecprim.h.
5360 * cfglayout.c, df-problems.c, function.c, genextract.c,
5361 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5362 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5366 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5368 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5369 Declare VECs of this type.
5370 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5371 (remove_children): Delete.
5372 (add_dwarf_attr): Use VEC routines.
5373 (add_AT_flag): Update for changes to add_dwarf_attr.
5374 (add_AT_int): Likewise.
5375 (add_AT_unsigned): Likewise.
5376 (add_AT_long_long): Likewise.
5377 (add_AT_vec): Likewise.
5378 (add_AT_string): Likewise.
5379 (add_AT_die_ref): Likewise.
5380 (add_AT_fde_ref): Likewise.
5381 (add_AT_loc): Likewise.
5382 (add_AT_loc_list): Likewise.
5383 (add_AT_addr): Likewise.
5384 (add_AT_lbl_id): Likewise.
5385 (add_AT_lineptr): Likewise.
5386 (add_AT_macptr): Likewise.
5387 (add_AT_offset): Likewise.
5388 (add_AT_range_list): Likewise.
5389 (get_AT): Use VEC_iterate.
5390 (remove_AT): Use VEC_ordered_remove.
5391 (free_die): Fold remove_children into here; have it use VEC_iterate.
5392 (print_die): Use VEC_iterate on attrs.
5393 (reverse_die_lists): Don't reverse attr lists.
5394 (die_checksum): Use VEC_iterate on attrs.
5395 (same_die_p): Likewise.
5396 (output_location_lists): Likewise.
5397 (build_abbrev_table): Likewise.
5398 (size_of_die): Likewise.
5399 (unmark_all_dies): Likewise.
5400 (output_abbrev_section): Likewise.
5401 (output_die): Likewise.
5402 (prune_unused_types_walk_attribs): Likewise.
5404 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5406 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5408 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5411 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5413 2006-04-09 Roger Sayle <roger@eyesopen.com>
5415 * expr.c (store_constructor): Don't bother clearing target if
5416 we're about to assign a vector to it using vec_init_optab.
5418 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5420 * tree-ssa-alias.c (lhs_may_store_to): New function.
5421 (recalculate_used_alone): Handle LHS of calls.
5423 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5427 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5428 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5429 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5430 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5431 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5432 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5433 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5434 stubs. Add ".align 8" directives before all ".dword" directives.
5435 (GTHREAD_USE_WEAK): Revise comment.
5436 (TARGET_ATTRIBUTE_WEAK): Define.
5437 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5438 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5439 * stublib.c: New file.
5444 * pa.md (cbranch patterns): Revise arguments used in calls to
5445 output_cbranch, output_bb and output_bvd. Add long branch length
5447 (fbranch patterns): Handle long branches.
5448 (jump): Revise length check. Revise arguments for output_lbranch call.
5449 Add long branch length attributes.
5450 (decrement_and_branch_until_zero): Add long branch length attributes.
5451 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5452 Likewise. Revise arguments for output_parallel_addb and
5453 output_parallel_movb calls.
5454 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5455 output_parallel_movb and output_parallel_addb): Update prototypes.
5456 * pa.c (output_cbranch): Revise arguments. Correct handling of
5457 nullification in long branches.
5458 (output_lbranch): Add new argument to control extraction of delay
5460 (output_bb): Handle long branches.
5461 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5462 output_parallel_addb): Likewise.
5464 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5466 PR rtl-optimization/27073
5467 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5470 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5472 * tree.h (tree_memory_tag): Add old_used_alone.
5473 (SMT_OLD_USED_ALONE): New macro.
5474 * tree-ssa-alias.c (recalculate_used_alone): Stop
5475 marking things for renaming unnecessarily.
5477 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5479 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5480 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5481 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5482 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5483 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5484 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5485 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5486 spelling convensions.
5487 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5488 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5489 typos. Follow spelling conventions.
5491 2006-04-07 DJ Delorie <dj@redhat.com>
5493 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5494 passed on the stack.
5495 (m32c_init_cumulative_args): When a function returns a structure,
5496 always pass the pointer to that return area on the stack.
5497 (m32c_function_arg_advance): Don't increment the parameter number
5498 if we're processing the returned structure pointer.
5499 (pushm_info): Reverse order of registers.
5501 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5503 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5504 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5505 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5506 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5508 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5509 chrec_fold_multiply): Same.
5510 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5511 force_expr_to_var_cost): Same.
5512 * tree-mudflap.c (mf_xform_derefs_1): Same.
5513 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5515 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5517 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5518 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5521 2006-04-07 Jan Hubicka <jh@suse.cz>
5523 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5525 2006-04-07 Richard Guenther <rguenther@suse.de>
5527 PR tree-optimization/26135
5528 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5529 loads for store copy-prop.
5530 (copy_prop_visit_stmt): Likewise.
5532 2006-04-05 Robert Millan <robertmh@gnu.org>
5534 * config/i386/linux.h: Add a comment to mark macros that are
5535 being overriden in config/k*bsd-gnu.h.
5536 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5538 * config/knetbsd-gnu.h: Ditto.
5540 2006-04-06 Jan Hubicka <jh@suse.cz>
5544 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5547 2006-04-06 Mike Stump <mrs@apple.com>
5549 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5550 for HAVE_nonlocal_goto to be consistent.
5551 (expand_builtin_nonlocal_goto): Likewise.
5552 (expand_builtin_strcmp): Use #ifdef instead of #if
5553 for HAVE_cmpstrnsi to be consistent.
5555 2006-04-05 DJ Delorie <dj@redhat.com>
5557 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5560 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5562 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5563 got-relative addressing for anything but SImode.
5565 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5566 even if the calling function doesn't modify them.
5568 2006-04-05 Richard Guenther <rguenther@suse.de>
5570 PR tree-optimization/26919
5571 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5572 to cgraph_estimate_size_after_inlining.
5574 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5576 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5578 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5580 PR tree-optimization/26996
5581 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5582 VECTOR_TYPE variables.
5584 2006-04-05 Richard Guenther <rguenther@suse.de>
5586 PR tree-optimization/26763
5587 * fold-const.c (fold_comparison): Move folding of
5588 PTR + CST CMP PTR + CST ...
5589 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5591 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5593 * doc/install.texi (Prerequisites): Refine some wording on
5594 bootstrapping and ksh.
5595 Move the version numbers of DejaGnu here from the testing section
5596 and fix casing of names.
5597 Fix markup and clarify wording for autogen requirements.
5598 Refer to GCJ instead of just java.
5599 Refer to SVN instead of CVS.
5600 Describe diffutils as useful instead of necessary.
5601 (Downloading the source): Refer to SVN instead of CVS.
5602 Adjust a link to our web site accordingly.
5603 (Configuration): Fix casing of Bison.
5604 (Building): Refer to SVN instead of CVS.
5605 Fix a sentence on the use of Bison and remove duplicate (and
5606 incorrect) version number of Bison requirement.
5607 Remove one redundant list of packages needed for building.
5608 (Specific): Avoid reference to CVS.
5610 2006-04-04 Eric Christopher <echristo@apple.com>
5612 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5613 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5614 (rs6000_handle_struct_attribute): New.
5615 (rs6000_ms_bitfield_layout_p): Ditto.
5617 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5619 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5620 NULL for dso parameter to atexit_common.
5622 2006-04-04 Eric Christopher <echristo@apple.com>
5624 * config/i386/i386.c (machopic_output_stub): Output \t
5625 between instructions and operands.
5627 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5629 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5630 satisfies_constraint_[IL] to explicit tests on value.
5632 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5634 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5635 set_nb_iterations_in_loop): Use build_int_cst instead of
5637 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5638 build_int_cst instead of convert.
5640 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5642 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5643 new value 2 for incoming.
5644 * function.c (expand_function_start): Call struct_value_rtx
5646 * config/sparc/sparc.md: Comment updated_return.
5647 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5648 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5649 struct return if sparc_std_struct_return and incoming is 2.
5650 (print_operand): Do not adjust return if
5651 sparc_std_struct_return.
5653 2006-04-04 Roger Sayle <roger@eyesopen.com>
5655 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5656 convert in the middle-end.
5657 * expr.c (store_expr, store_constructor, get_inner_reference,
5658 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5660 * tree.c (build_range_type): Likewise.
5662 2006-04-04 Tom Tromey <tromey@redhat.com>
5664 * doc/install.texi (Prerequisites): Mention jar.
5666 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5668 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5671 2006-04-04 Matthias Klose <doko@debian.org>
5673 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5674 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5677 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5679 * doc/extend.texi (Function Attributes): Rewrite visibility
5680 attribute documentation.
5681 * doc/invoke.texi (C++ Dialect Options): Rewrite
5682 -fvisibility-inlines-hidden documentation to describe something
5683 entirely different, although in practise compatible.
5684 (Code Gen Options): Warn about system headers in -fvisibility=
5687 * doc/extend.texi (Other Builtins): Document that
5688 __builtin_nan is a compile-time constant only when its argument
5691 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5693 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5694 trying to remove TRUNCATE check if all bits outside the new mode
5695 are identical to the sign bit.
5697 2006-04-03 Jeff Law <law@redhat.com>
5699 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5700 and operand scanning in some common cases.
5702 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5703 Dale Johannesen <dalej@apple.com>
5706 * regclass.c (struct reg_pref): Update documentation.
5707 (regclass): Set prefclass to NO_REGS if memory is the best option.
5708 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5709 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5710 into account. For non-registers, equate an empty preferred
5711 reload class to a `!' in the constraint; move the if clause to
5712 do so after those that reject the insn.
5713 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5715 (find_dummy_reload): Likewise.
5716 * doc/tm.texi (Register Classes): Document what it means
5717 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5718 * config/i386/i386.c (ix86_preferred_reload_class): Force
5719 using SSE registers (and return NO_REGS for floating-point
5720 constants) if math is done with SSE.
5721 (ix86_preferred_output_reload_class): New.
5722 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5723 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5724 * config/i386/i386.md: Remove # register preferences.
5726 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5729 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5730 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5731 the type of nb_iter.
5732 (instantiate_parameters_1): Convert the operands before calling
5733 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5734 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5736 2006-04-02 Roger Sayle <roger@eyesopen.com>
5738 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5739 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5741 * dojump.c (do_jump): Likewise.
5742 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5743 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5744 gimplify_boolean_expr): Likewise.
5745 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5746 * varasm.c (array_size_for_constructor): Likewise.
5747 * tree-object-size.c (compute_object_offset): Likewise.
5749 2006-04-02 Roger Sayle <roger@eyesopen.com>
5752 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5753 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5755 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5757 PR tree-optimization/26939
5758 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5760 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5762 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5763 at_stmt. Convert the type of operands before calling
5764 build_polynomial_chrec.
5765 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5767 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5768 (instantiate_parameters_1): Convert the type of operands before calling
5769 build_polynomial_chrec.
5770 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5771 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5772 reset_evolution_in_loop): Insert asserts to check the types of the
5774 (chrec_type): Moved...
5775 (eq_evolutions_p): Use operand_equal_p.
5776 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5777 the types of the operands.
5778 (chrec_type): ...here.
5779 * tree-data-ref.c (create_data_ref): Convert the operands before
5780 calling chrec_replace_initial_condition.
5781 (same_access_functions, analyze_subscript_affine_affine,
5782 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5783 (compute_subscript_distance, analyze_ziv_subscript,
5784 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5785 analyze_miv_subscript): Convert the operands before calling
5786 chrec_fold_minus or chrec_fold_plus.
5788 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5790 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5791 the dependence_relations vector.
5792 (compute_data_dependences_for_loop): Adjust call to
5793 compute_all_dependences.
5795 2006-04-01 Roger Sayle <roger@eyesopen.com>
5796 Richard Henderson <rth@redhat.com>
5798 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5799 gimple_boolify on the condition before calling gimplify_expr.
5801 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5803 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5804 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5805 the frame size. Update to use the new macros.
5806 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5807 * config/xtensa/ieee754-df.S: Likewise.
5809 2006-03-31 Richard Henderson <rth@redhat.com>
5811 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5812 (make_edges): ... here. Control fallthru creation with a local
5813 variable. Do not play with fake edges.
5814 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5815 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5818 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5820 * dwarf2.h (DW64_CIE_ID): Define.
5821 * dwarf2out.c (DWARF_CIE_ID): Define.
5822 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5823 length header. Use DWARF_CIE_ID.
5824 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5825 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5827 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5829 * config/sh/linux-atomic.asm: New file.
5830 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5832 2006-03-31 DJ Delorie <dj@redhat.com>
5834 * config/m32c/cond.md: Set condition flags properly throughout.
5835 * config/m32c/minmax.md: Likewise.
5836 * config/m32c/prologue.md: Likewise.
5837 * config/m32c/bitops.md: Likewise.
5838 * config/m32c/muldiv.md: Likewise.
5839 * config/m32c/mov.md: Likewise.
5840 * config/m32c/addsub.md: Likewise.
5841 * config/m32c/m32c.md: Likewise.
5842 * config/m32c/jump.md: Likewise.
5843 * config/m32c/shift.md: Likewise.
5845 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5846 conditionally output the pattern for this.
5847 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5848 (m32c_compare_redundant): New.
5849 (m32c_output_compare): New.
5850 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5852 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5853 dest, not src. Allow other 4-byte modes.
5855 2006-03-30 Denis Chertykov <denisc@overta.ru>
5857 * doc/md.texi: Refer to avr/constraints.md instead of
5860 2006-03-30 Roger Sayle <roger@eyesopen.com>
5862 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5863 signed vs. unsigned comparison failures on some hosts.
5865 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5868 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5869 change to FLOAT_REGS.
5871 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5872 (rs6000_override_options): Use it.
5873 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5874 only for -mabi=spe/no-spe and -mabi=altivec.
5876 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5878 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5881 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5883 * Makefile.in: Rename docdir to gcc_docdir.
5885 2006-03-30 Roger Sayle <roger@eyesopen.com>
5888 * expr.c (emit_group_store): Optimize group stores into a pseudo
5889 register by using a paradoxical subreg to initialize the destination
5890 if the first or last member of the group specifies a "low part".
5892 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5895 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5896 * target.h (struct gcc_target.speculate_insn): Change type of the
5897 second parameter to 'int'.
5898 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5899 the second operand of the DEPS_LIST.
5900 (copy_DEPS_LIST_list): Update reference to the second operand of the
5902 * rtl.h (alloc_DEPS_LIST): Update signature.
5903 * sched-int.h (ds_t): Change typedef to 'int'.
5904 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5906 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5908 * haifa-sched.c (try_ready): Change condition to restore
5909 non-speculative pattern of the instruction.
5910 (process_insn_depend_be_in_spec): Code to keep probability of the
5911 speculative dependence non-decreasing.
5913 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5915 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5916 (single_move_for_movmem): ... this. Also change all uses.
5917 (bfin_expand_strmov): Renamed to...
5918 (bfin_expand_movmem): ... this. Also change all uses.
5919 * config/bfin/bfin.md (movstrsi): Renamed to...
5920 (movstrsi): ...this.
5922 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5924 PR tree-optimization/26830
5926 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5927 (copy_prop_visit_stmt): Remove write-only variable ann.
5928 (init_copy_prop): Check variable loop depth here. Do not simulate
5929 memory-tag and virtual operand PHIs except for store copy prop.
5931 2006-03-30 Richard Guenther <rguenther@suse.de>
5933 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5934 variants with double arguments.
5936 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5938 * genpreds.c (write_tm_constrs_h): Delete variable p.
5939 * genconditions.c (write_header): Add tm-constrs.h to included
5941 * genpeep.c (main): Add toplev.h to included headers.
5942 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5943 (build/genpeep.o): Add toplev.h dependency.
5944 * config/rs6000/constraints.md: Add "W" constraint.
5946 2006-03-29 Roger Sayle <roger@eyesopen.com>
5948 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5949 sizes by correctly testing whether the size fits a host integer.
5950 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5951 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5952 SImode range for the default sizetype and bitsizetype.
5954 2006-03-29 Roger Sayle <roger@eyesopen.com>
5956 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5957 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5958 quickly if the argument is already of the correct type.
5959 Call fold_build1 instead of build1. Tidy up blank lines.
5961 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5963 * genemit.c (main): Add tm-constrs.h to included headers.
5964 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5965 * genpeep.c (main): Add tm-constrs.h to included headers.
5966 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5967 (write_tm_constrs_h): this and write complete file.
5968 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5969 (write_insn_preds_c): Add tm-constrs.h to included headers.
5970 (gen_constrs): New variable.
5971 (parse_option): Parse "-c".
5972 (main): Invoke write_tm_constrs_h.
5973 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5974 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5975 (object_out_file): Add tm-constrs.h dependency.
5976 (insn-emit.o): Same.
5977 (insn-output.o): Same.
5978 (insn-peep.o): Same.
5979 (insn-preds.o): Same.
5980 (insn-recog.o): Same.
5981 (tm-constsr.h): New target.
5982 (s-constrs-h): New target.
5984 * config/rs6000/constraints.md: New file.
5985 * config/rs6000/rs6000.c: Include tm-constrs.h.
5986 (num_insn_constant_wide): Convert to satisfies_constraint.
5987 (rs6000_rtx_costs): Convert to satisfies_constraint.
5988 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5989 (CONST_OK_FOR_LETTER_P): Delete.
5990 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5991 (EXTRA_CONSTRAINT): Delete.
5992 (EXTRA_MEMORY_CONSTRAINT): Delete.
5993 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5994 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5995 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5996 satisfies_constraint.
5998 * config/i386/i386.c: Include tm-constrs.h.
6000 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6002 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6003 * tree-data-ref.c (find_data_references_in_loop,
6004 compute_data_dependences_for_loop): Use pointers to VEC.
6005 (analyze_all_data_dependences): Adjust calls.
6006 * tree-data-ref.h (find_data_references_in_loop,
6007 compute_data_dependences_for_loop): Adjust declarations.
6008 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6009 compute_data_dependences_for_loop.
6011 2006-03-29 Paul Brook <paul@codesourcery.com>
6013 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6016 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6018 PR tree-optimization/26859
6019 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6021 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6022 for the step after fold_convert.
6024 2006-03-29 Paul Brook <paul@codesourcery.com>
6026 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6027 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6029 2006-03-29 Paul Brook <paul@codesourcery.com>
6032 * targhooks.c (default_narrow_bitfield): New fuction.
6033 * targhooks.h (default_narrow_bitfield): add prototype.
6034 * target.h (gcc_target): Add narrow_volatile_bitfield.
6035 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6036 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6037 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6038 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6040 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6042 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6044 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6045 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6046 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6047 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6048 (s390_function_arg_float): Allow SDmode and DDmode values to be
6049 passed in floating point registers.
6050 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6051 check with SCALAR_FLOAT_MODE_P.
6052 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6054 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6056 PR tree-optimization/25985
6057 * tree-ssa-loop-niter.c (number_of_iterations_le,
6058 number_of_iterations_ne): Make comments more precise.
6059 (number_of_iterations_cond): Add only_exit argument. Use the
6060 fact that signed variables do not overflow only when only_exit
6062 (loop_only_exit_p): New.
6063 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6064 number_of_iterations_cond.
6066 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6068 PR tree-optimization/26643
6069 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6072 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6074 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6075 (divsi3_i4_int): Likewise.
6077 2006-03-28 Roger Sayle <roger@eyesopen.com>
6079 * expr.c (emit_group_store): Only create a new pseudo reg if the
6080 quantity it needs to hold isn't already a suitable pseudo.
6082 2006-03-28 Jeff Law <law@redhat.com>
6084 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6085 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6087 2006-03-28 Roger Sayle <roger@eyesopen.com>
6089 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6090 the equivalent ~X & Y, and the symmetry related transformations.
6091 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6092 ~X & Y, and symmetry related transforms.
6094 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6096 Revert my 2006-03-27 patches.
6098 2006-03-28 Roger Sayle <roger@eyesopen.com>
6100 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6101 ~(T1)X, when T1 and T2 are integer types of the same precision
6102 and (T2)X isn't an extension.
6104 2006-03-28 Jeff Law <law@redhat.com>
6106 PR tree-optimization/26796
6107 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6108 need EH edge cleanups rather than purging them immediately.
6109 (eliminate_degenerate_phis): Handle queued EH cleanups.
6111 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6113 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6116 2006-03-27 Roger Sayle <roger@eyesopen.com>
6119 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6120 cast BIT_NOT_EXPR operand to the correct type.
6122 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6124 * tree-loop-linear.c: Don't include varray.h.
6125 (gather_interchange_stats, try_interchange_loops,
6126 linear_transform_loops): Use VEC instead of VARRAY.
6127 * lambda-mat.c: Don't include varray.h.
6128 * tree-chrec.c: Same.
6129 * lambda-trans.c: Same.
6130 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6131 VEC instead of VARRAY.
6132 * tree-vectorizer.h: Idem.
6133 * tree-data-ref.c (dump_data_references,
6134 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6135 initialize_data_dependence_relation, finalize_ddr_dependent,
6136 compute_all_dependences, find_data_references_in_loop,
6137 compute_data_dependences_for_loop, analyze_all_data_dependences,
6138 free_dependence_relation, free_dependence_relations,
6139 free_data_refs): Idem.
6140 * tree-data-ref.h (data_reference_p, subscript_p): New.
6141 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6142 VEC instead of VARRAY.
6143 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6144 (find_data_references_in_loop, compute_data_dependences_for_loop,
6145 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6146 dump_data_dependence_relations, free_dependence_relations,
6147 free_data_refs): Adjust declaration.
6148 (lambda_transform_legal_p): Move declaration here...
6149 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6150 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6151 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6152 vect_analyze_data_refs): Use VEC instead of VARRAY.
6153 * lambda.h (lambda_transform_legal_p): ...from here.
6154 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6155 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6156 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6157 tree-chrec.o): Don't depend on VARRAY_H.
6159 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6161 * rtl.def (Copyright): Update date.
6162 (DEPS_LIST): Change type of the second operand to 'int'.
6163 * target.h (Copyright): Update date.
6164 (struct gcc_target.speculate_insn): Change type of the second parameter
6166 * lists.c (Copyright): Update date.
6167 (alloc_DEPS_LIST): Change signature. Update reference to the second
6168 operand of the DEPS_LIST.
6169 (copy_DEPS_LIST_list): Update reference to the second operand of the
6171 * rtl.h (Copyright): Update date.
6172 (alloc_DEPS_LIST): Update signature.
6173 * sched-int.h (Copyright): Update date.
6174 (ds_t): Change typedef to 'int'.
6175 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6177 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6179 * haifa-sched.c (Copyright): Update date.
6180 (try_ready): Change condition to restore non-speculative pattern
6182 (process_insn_depend_be_in_spec): Code to keep probability of the
6183 speculative dependence non-decreasing.
6185 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6187 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6188 shut up the compiler.
6190 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6192 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6193 to use lib prefix for target.
6194 ($(T)libic_invalidate_array_4-200.a): Likewise.
6195 ($(T)libic_invalidate_array_4a.a): Likewise.
6197 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6198 J"orn Rennecke <joern.rennecke@st.com>
6200 * superh.opt: New file.
6201 * sh.c (boardtype, osruntime): Remove.
6202 * superh.h (SUBTARGET_OPTIONS): Remove.
6203 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6205 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6206 arguments with ^ and/or [].
6208 * config.gcc (sh-*-*): Add quoting to account for quirk of
6210 Replace == with = in enable_incomplete_targets test.
6212 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6213 with MASK_LITTLE_ENDIAN.
6215 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6216 * config/sh/sh.opt: Added to some comments.
6217 * config/sh/superh.h: Removed some chaff.
6219 * config/sh/sh.opt: Add m4-[1234]00* options.
6220 * config/sh/sh.c (sh_handle_option): Likewise.
6221 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6222 (ic_invalidate_array_4-100.o): New rule.
6223 ($(T)libic_invalidate_array_4-100.a): Likewise.
6224 (ic_invalidate_array_4-200.o): Likewise.
6225 ($(T)libic_invalidate_array_4-200.a): Likewise.
6226 (ic_invalidate_array_4a.o): Likewise.
6227 ($(T)libic_invalidate_array_4a.a): Likewise.
6228 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6229 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6231 * config/sh/crt1.asm: Merged in profiling code.
6232 * config/sh/superh.h (STARTFILE_SPEC): Override.
6233 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6234 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6235 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6237 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6238 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6239 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6241 * sh.opt (mpretend-cmove): New option.
6242 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6243 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6244 (movsicc): Add TARGET_PRETEND_CMOVE code.
6246 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6248 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6249 s390_class_max_nregs): New function prototypes.
6250 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6251 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6252 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6253 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6255 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6257 * dwarf2out.c (add_location_or_const_value_attribute): Call
6258 tree_add_const_value_attribute if nothing else works.
6259 (reference_to_unused): New.
6260 (rtl_for_decl_init): Use reference_to_unused to decide whether
6261 to output an initializer.
6263 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6266 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6267 peephole removing spe frob_di_df_2.
6269 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6271 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6272 (subscript_dependence_tester_1): Declared.
6273 (print_dir_vectors, print_dist_vectors): New.
6274 (debug_data_dependence_relation): New.
6275 (dump_data_dependence_relation): Print more details.
6276 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6277 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6278 (save_dist_v, save_dir_v, add_outer_distances,
6279 build_classic_dist_vector_1): New.
6280 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6281 Don't test for lambda_vector_lexico_pos.
6282 (same_access_functions, add_multivariate_self_dist,
6283 add_other_self_distances, dir_from_dist): New.
6284 (build_classic_dir_vector): Replace implementation almost identical to
6285 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6287 (subscript_dependence_tester_1): New.
6288 (subscript_dependence_tester): Handle the lexicographically negative
6289 distance vectors by recomputing the dependence relation.
6290 (compute_affine_dependence): Remove parameter loop_nest_depth.
6291 (compute_self_dependence): Don't call compute_subscript_distance.
6292 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6293 Add a parameter for the loop_nest.
6294 (find_loop_nest_1, find_loop_nest): New.
6295 (compute_data_dependences_for_loop): Compute the loop nest, and give
6296 up if the nest is not well formed.
6297 * tree-data-ref.h (loop_p): New.
6298 (struct data_dependence_relation): Replace size_vect field with
6299 loop_nest, a vec of loops.
6300 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6301 (DDR_LOOP_NEST): New.
6302 (print_dir_vectors, print_dist_vectors,
6303 debug_data_dependence_relation): Declared.
6304 (index_in_loop_nest): New.
6305 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6306 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6309 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6311 * simplify-rtx.c (simplify_relational_operation): Call
6312 simplify_relational_operation_1 even if mode is VOIDmode.
6314 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6316 PR tree-optimization/26804
6317 * tree.h (DECL_CALL_CLOBBERED): New macro.
6318 (tree_decl_common): Add call_clobbered_flag.
6319 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6320 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6321 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6322 (mark_non_addressable): Ditto.
6323 * tree-ssa.c (verify_call_clobbered): New function.
6324 (verify_alias_info): Use it.
6325 * tree-pass.h (pass_reset_cc_flags): New prototype.
6326 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6327 (reset_cc_flags): New function.
6328 * passes.c (init_optimization_passes): Call reset_cc_flags after
6329 initializing referenced_vars.
6331 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6332 Roger Sayle <roger@eyesopen.com>
6335 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6336 to 1.0 for non-real operands. Implement A / A optimization for
6339 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6341 * config/i386/i386.c (size_cost): Correct the comment for
6342 cost of storing fp registers.
6343 (i386_cost): Likewise.
6344 (i486_cost): Likewise.
6345 (pentium_cost): Likewise.
6346 (pentiumpro_cost): Likewise.
6347 (k6_cost): Likewise.
6348 (athlon_cost): Likewise.
6349 (k8_cost): Likewise.
6350 (pentium4_cost): Likewise.
6351 (nocona_cost): Likewise.
6352 (generic64_cost): Likewise.
6353 (generic32_cost): Likewise.
6355 2006-03-24 Denis Chertykov <denisc@overta.ru>
6357 * config/avr/avr-protos.h (extra_constraint): Delete.
6358 (extra_constraint_Q): New declaration.
6359 * config/avr/constraints.md: New file.
6360 * config/avr/avr.md: Include it.
6361 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6362 (TMP_REGNO, ZERO_REGNO): Likewise.
6363 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6364 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6365 (extra_constraint): Delete.
6366 (extra_constraint_Q): Test for memory constraint 'Q'.
6367 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6368 (REG_CLASS_FROM_LETTER): Delete.
6369 (CONST_OK_FOR_LETTER_P): Delete.
6370 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6371 (EXTRA_CONSTRAINT): Delete.
6372 (TMP_REGNO): Delete.
6373 (ZERO_REGNO): Delete.
6375 2006-03-24 Jeff Law <law@redhat.com>
6377 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6378 directly. Call mark_new_vars_to_rename slightly earlier.
6380 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6382 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6384 (gen_compile_unit_die): Use new language types for Objective-C and
6386 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6387 DW_LANG_C_plus_plus.
6390 * config/t-darwin (crt3.o): Work around bug 26840.
6391 * config/darwin-crt3.c: Rewrite.
6392 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6394 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6396 * doc/invoke.texi: Document -femit-class-debug-always
6397 * common.opt: Add -femit-class-debug-always.
6399 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6401 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6402 index and base register.
6403 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6404 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6405 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6406 REGNO_OK_FOR_INDEX_P.
6407 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6409 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6410 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6411 REG_OK_FOR_BASE_P): Definitions removed.
6413 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6416 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6417 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6418 set yet or weren't marked as local yet.
6420 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6422 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6425 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6427 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6428 (rs6000_legitimate_small_data_p): Delete.
6429 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6430 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6431 and make static. Add forward declaration. Update uses.
6432 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6433 of offsettable_memref_p.
6434 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6435 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6437 2006-03-24 Jeff Law <law@redhat.com>
6439 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6440 around bug in immediate-use iterator.
6442 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6445 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6446 or __LITTLE_ENDIAN__.
6448 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6450 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6451 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6452 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6453 * config/sh/sh.opt (mdiv=): Amend description.
6454 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6455 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6456 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6457 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6458 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6459 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6460 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6461 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6462 TARGET_DIVIDE_CALL_FP.
6464 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6466 * haifa-sched.c (choose_ready): Fix type of the local variable.
6467 Move local variables. Add comment.
6468 (check_reg_live): Change signature. Make callable from debugger.
6469 * sched-int.h (check_reg_live): Update signature.
6470 * sched-ebb.c (check_reg_live): Update parameters.
6471 * sched-rgn.c (check_reg_live): Ditto.
6472 (region_head_or_leaf_p): Check pointer before dereferencing.
6473 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6474 before reload on optimization levels below 1.
6476 2006-03-23 Richard Henderson <rth@redhat.com>
6478 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6482 * config/alpha/predicates.md (local_symbolic_operand): Reject
6485 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6488 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6489 expressions which have overflowed constants.
6491 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6493 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6495 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6497 * cfgloopmanip.c (create_loop_notes): Removed.
6498 * final.c (final_scan_insn): Do not handle loop notes.
6499 * jump.c (squeeze_notes): Ditto.
6500 * cfglayout.c (skip_insns_after_block,
6501 duplicate_insn_chain): Ditto.
6502 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6504 * cfgloop.h (create_loop_notes): Declaration removed.
6506 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6508 * varasm.c (output_constant_pool): Restore fnname and fndecl
6510 (assemble_start_function): Adjust call accordingly.
6511 (assemble_end_function): Likewise.
6513 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6516 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6519 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6521 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6524 * system.h (ICE_EXIT_CODE): New macro.
6525 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6526 (diagnostic_action_after_output): Likewise.
6527 * gcc.c (fatal_ice): New function.
6528 (execute): Use it instead of fatal.
6529 (fancy_abort): Likewise.
6530 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6532 2006-03-22 Jeff Law <law@redhat.com>
6534 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6535 iv_analyze_result returning false.
6537 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6539 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6541 2006-03-22 Richard Henderson <rth@redhat.com>
6544 * except.c (duplicate_eh_regions_0): New.
6545 (duplicate_eh_region_1): Duplicate the children of the node as
6546 well as the node itself. Link them up properly.
6547 (duplicate_eh_region_2): Merge into ...
6548 (duplicate_eh_regions): ... here. Take copy_region argument, and
6549 copy only a sub-tree if asked. Simplify copying and fixup.
6550 (eh_region_outer_p): New.
6551 * except.h (duplicate_eh_regions): Update decl.
6552 (eh_region_outer_p): Declare.
6553 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6554 (lower_omp_master): Likewise.
6555 (lower_omp_ordered): Likewise.
6556 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6557 (move_stmt_r): Use it to remap labels. Handle recursion vs
6558 remap_decls_p properly.
6559 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6560 (find_outermost_region_in_block): New.
6561 (new_label_mapper): New.
6562 (move_sese_region_to_fn): Copy eh information to the new function
6564 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6566 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6569 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6571 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6572 into shared libraries.
6574 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6576 * doc/md.texi: Refer to i386/constraints.md instead of
6578 * config/i386/constraints.md: New file, extracted from...
6579 * config/i386/predicates.md: ...here.
6580 * config/i386/i386.md: Include constraints.md.
6582 2006-03-21 Jason Merrill <jason@redhat.com>
6584 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6587 * expr.c (init_block_move_fn): Force default visibility.
6588 (init_block_clear_fn): Likewise.
6589 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6590 * targhooks.c (default_external_stack_protect_fail): Likewise.
6592 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6594 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6595 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6596 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6597 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6598 (loadgp): Use mips_current_loadgp_style.
6599 (loadgp_noshared): New pattern.
6600 (sibcall_internal): Use MIPS_CALL.
6601 (sibcall_value_internal): Likewise.
6602 (sibcall_value_multiple_internal): Likewise.
6603 (call_internal): Likewise.
6604 (call_value_internal): Likewise.
6605 (call_value_multiple_internal): Likewise.
6606 (call_split): Use MIPS_CALL and add an 'S' constraint.
6607 (call_value_split): Likewise.
6608 (call_value_multiple_split): Likewise.
6609 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6610 (-mshared): New option.
6611 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6612 (mips_current_loadgp_style): Declare.
6613 * config/mips/mips.c (mips_classify_symbol): Avoid using
6614 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6615 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6616 TARGET_ABSOLUTE_ABICALLS.
6617 (override_options): Adjust comments. Improve the warning that is
6618 issued when -mabicalls and -G are used together.
6619 (mips_file_start): Remove comment.
6620 (mips_current_loadgp_style): New function.
6621 (mips_gnu_local_gp): New variable.
6622 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6624 (mips_output_function_prologue): Use mips_current_laodgp_style.
6625 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6626 the cprestore instruction.
6627 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6628 live for TARGET_ABSOLUTE_ABICALLS.
6629 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6630 (ASM_SPEC): Pass down -mshared and -mno-shared.
6631 (MIPS_CALL): New macro.
6632 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6634 * doc/invoke.texi (-mabicalls): Update documentation.
6635 (-mshared): Document.
6637 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6639 * config/ia64/unwind-hpux.c: New file.
6640 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6642 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6645 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6647 2006-03-21 Jeff Law <law@redhat.com>
6649 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6650 type conversions of a VR_VARYING source to a wider type.
6652 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6654 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6655 tm_file on Solaris 10 and later.
6656 (sparc64-*-solaris2*): Likewise.
6657 (sparc-*-solaris2*): Likewise.
6658 * config/sol26.h: Rename to config/sol2-6.h.
6659 * config/sol2-10.h: New file.
6661 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6664 * tree-ssa-pre.c (create_component_ref_by_pieces):
6667 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6670 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6671 return it immediately.
6673 2006-03-21 Michael Matz <matz@suse.de>
6675 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6677 (remove_arc, add_arc): Update num_out_arcs member.
6678 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6680 (cache_presence): New function.
6681 (compare_states_for_equiv): New function.
6682 (state_is_differed): Don't take number of outargs, adjust callers.
6683 Use new invariant for speeding up.
6684 (init_equiv_class): Create initial classes based on sorted
6686 (partition_equiv_class): Don't track out_arcs_num.
6687 (evaluate_equiv_classes): Call cache_presence on all states and
6690 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6692 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6693 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6694 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6695 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6697 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6698 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6699 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6700 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6701 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6703 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6704 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6705 (REGNO_REG_CLASS): ARGP is in PREGS.
6706 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6708 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6709 to deal with those addresses.
6710 * addresses.h: New file.
6711 * caller-save.c: Include "addresses.h".
6712 (init_caller_save): Use new base_reg_class function.
6713 * rtl-factoring.c: Include "addresses.h".
6714 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6715 * recog.c: Include "addresses.h".
6716 (preprocess_constraints): Use new base_reg_class function.
6717 * regrename.c: Include "addresses.h".
6718 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6719 functions. Keep track of a new var INDEX_CODE to compute valid
6721 (replace_oldest_value_addr): Likewise.
6722 (replace_oldest_value_mem): Use base_reg_class.
6723 * reload.c: Include "addresses.h".
6724 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6725 (find_reloads): Use new base_reg_class function.
6726 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6727 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6728 all callers and prototype changed.
6729 * reload1.c: Include "addresses.h".
6730 (maybe_fix_stack_asms): Use base_reg_class.
6731 * regclass.c: Include "addresses.h".
6732 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6733 (init_reg_autoinc): Use new base_reg_class function.
6734 (record_reg_classes): Likewise.
6735 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6736 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6737 Use new args to compute necessary class.
6739 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6740 regrename.o, rtl-factoring.o): Update dependencies.
6741 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6742 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6743 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6744 REG_OK_FOR_INDEX_P): Delete documentation.
6746 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6748 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6749 from V7 to V9 for Solaris 7 and above.
6751 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6753 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6754 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6755 argument pointers may not alias any other storage.
6756 * common.opt: Define option -fargument-noalias-anything.
6757 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6758 alias semantics is specified by flag_argument_noalias > 2.
6760 2006-03-20 Jeff Law <law@redhat.com>
6762 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6763 (pass_phi_only_cprop): Declare.
6764 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6766 * tree-ssa-dom.c (degenerate_phi_result): New function.
6767 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6768 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6769 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6770 (eliminate_degenerate_phis): Likewise.
6771 (pass_phi_only_cprop): New pass descriptor.
6772 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6773 support code. Callers updated.
6774 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6775 (store_copy_prop): Likewise.
6776 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6778 2006-03-20 Jason Merrill <jason@redhat.com>
6781 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6782 (push_visibility, pop_visibility): Likewise.
6783 * c-pragma.h: Declare them.
6785 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6787 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6789 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6790 parameter and use get_ebb_head_tail.
6791 (sh_md_init_global): Adjust uses of find_regmode_weight.
6793 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6795 * function.h (struct function) <x_tail_recursion_reentry>:
6796 Rename to x_stack_check_probe_note.
6797 (tail_recursion_reentry): Rename to stack_check_probe_note.
6798 * function.c: Replace tail_recursion_reentry with
6799 stack_check_probe_note everywhere.
6800 (expand_function_start): Only emit a note for
6801 stack_check_probe_note with -fstack-protect.
6802 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6804 * emit-rtl.c (remove_unnecessary_notes): Remove.
6805 (pass_remove_unnecessary_notes): Remove.
6806 * rtl.h (remove_unnecessary_notes): Remove prototype.
6807 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6808 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6809 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6811 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6814 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6815 (valid_in_set): Handle ARRAY_REF.
6816 Change "if min_variant or VH" to asserts.
6817 (create_component_ref_by_pieces): Handle ARRAY_REF.
6818 (create_expression_by_pieces): Likewise.
6819 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6821 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6823 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6824 is operand of switch, not str[0].
6826 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6828 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6829 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6831 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6833 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6834 end of insn_extra_address_constraint declaration.
6836 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6838 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6839 (no-sum-in-toc): Same.
6840 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6842 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6843 NO_FP_IN_TOC for -fPIC instead of mask.
6845 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6846 (BOOT_LDFLAGS): Delete.
6848 * config/rs6000/t-aix52: Same.
6850 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6851 (stmsi[345678]_power): New.
6853 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6855 * config/ia64/ia64.opt: Add empty line to end of file.
6857 2006-03-17 Richard Guenther <rguenther@suse.de>
6860 * builtins.c (get_pointer_alignment): For component style references
6861 adjust alignment to the component type alignment. Make sure
6862 to adjust alignment for component access of constants.
6864 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6866 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6869 2006-03-17 Paul Brook <paul@codesourcery.com>
6871 * doc/install.texi: Docuemnt --with-mode.
6872 * config.gcc: Add --with-mode for arm*-*-*.
6873 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6875 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6877 * sh.c (max_labelno_before_reorg): New variable.
6878 (sh_reorg): Initialize it.
6879 (find_barrier): Check max_labelno_before_reorg before using
6880 label_to_alignment. Take length of explicit alignment insns
6881 into account. When seeing a UNSPECV_CONST_END, return it.
6883 * sh.c (fixup_mova): Set mode of affected label to QImode.
6884 (untangle_mova): New function.
6885 (find_barrier): Use it. Check mode of label before decrementing
6887 (sh_reorg): Likewise.
6888 Set mode of all insns back to VOIDmode.
6890 * sh.c (MOVA_LABELREF): New macro.
6891 (mova_p, fixup_mova, sh_reorg): Use it.
6892 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6893 ADDR_DIFF_VEC matches mova.
6895 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6897 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6898 with ATTRIBUTE_UNUSED.
6900 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6902 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6903 pointer, instead of assuming it is possible to derive the
6904 correct args size from a call insn.
6906 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6908 * rtl.h (CONST_INT_P): Define.
6909 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6910 instead of GET_CODE(x) == CONST_INT.
6911 (vax_rtx_costs): Likewise.
6912 (vax_output_int_move): Likewise.
6913 (vax_output_int_add): Likewise.
6914 (legitimate_constant_address_p): Likewise.
6915 (index_term_p): Likewise.
6916 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6917 * config/vax/vax.md (and<mode>3): Likewise.
6918 (ashrsi3): Likewise.
6920 (movstricthi): Likewise.
6921 (movstrictqi): Likewise.
6922 (rotrsi3): Likewise.
6923 (five unnamed insns): Likewise.
6925 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6927 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6928 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6929 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6930 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6931 Pass to ASM_OUTPUT_DWARF_OFFSET.
6932 * dwarf2out.c (debug_frame_section): New.
6933 (output_call_frame_info): Use debug_frame_section. Pass it to
6934 dw2_asm_output_offset.
6935 (output_die): Pass appropriate section to dw2_asm_output_offset.
6936 (output_compilation_unit_header): Likewise.
6937 (output_pubnames): Likewise.
6938 (output_aranges): Likewise.
6939 (enum dw_val_class): Break dw_val_class_lbl_offset into
6940 dw_val_class_lineptr and dw_val_class_macptr.
6941 (add_AT_lbl_offset): Delete.
6942 (add_AT_lineptr): New.
6943 (add_AT_macptr): New.
6944 (AT_lbl): Expect a lineptr or macptr.
6945 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6946 (attr_checksum): Likewise.
6947 (same_dw_val_p): Likewise.
6948 (size_of_die): Likewise.
6949 (value_format): Likewise.
6950 (output_die): Likewise.
6951 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6953 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6954 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6955 * config/darwin-protos.h (darwin_file_start): New.
6956 (darwin_asm_output_dwarf_offset): New.
6957 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6958 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6960 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6961 if not EH section; simplify.
6962 (darwin_file_start): New.
6963 (darwin_asm_output_dwarf_offset): New.
6964 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6966 (DEBUG_INFO_SECTION): Likewise.
6967 (DEBUG_ABBREV_SECTION): Likewise.
6968 (DEBUG_ARANGES_SECTION): Likewise.
6969 (DEBUG_MACINFO_SECTION): Likewise.
6970 (DEBUG_LINE_SECTION): Likewise.
6971 (DEBUG_LOC_SECTION): Likewise.
6972 (DEBUG_PUBNAMES_SECTION): Likewise.
6973 (DEBUG_STR_SECTION): Likewise.
6974 (DEBUG_RANGES_SECTION): Likewise.
6975 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6976 (ASM_OUTPUT_DWARF_OFFSET): New.
6978 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6980 * config.gcc (tm_defines): Always add to previous value rather
6983 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6985 * config/mips/predicates.md (splittable_const_int_operand): New,
6986 split from move_operand.
6987 (splittable_symbolic_operand): New.
6988 (move_operand): Add commentary. Use splittable_const_int_operand.
6989 Inline mips_atomic_symbolic_constant_p.
6990 * config/mips/mips.md: Add combine splitters for handling moves
6991 of splittable_const_int_operands and splittable_symbolic_operands.
6992 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6993 (mips_split_symbol): Declare.
6994 (mips_move_integer): Declare.
6995 * config/mips/mips.c (mips_split_p): Make global.
6996 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6997 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6998 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6999 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7000 (mips_offset_within_object_p): Handle block symbols.
7001 (mips_atomic_symbolic_constant_p): Delete.
7002 (mips_cannot_force_const_mem): Return false for constants that
7003 mips_legitimize_move can handle.
7004 (mips_use_blocks_for_constant_p): New function.
7005 (mips_split_symbol): Make global.
7006 (mips_move_integer): Likewise. Add a temporary register argument.
7007 (mips_legitimize_const_move): Use splittable_const_int_operand and
7008 splittable_symbolic_operand.
7009 (mips_use_anchors_for_symbol_p): New function.
7010 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7011 (mips_split_p): Declare.
7013 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7015 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7016 (mips*-*-linux*): Likewise.
7018 2006-03-16 Roger Sayle <roger@eyesopen.com>
7019 Daniel Speyer <dspeyer@wam.umd.edu>
7022 * tree-dump.c (dump_real): New function.
7023 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7024 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7025 (tree-dump.o): Add $(REAL_H) to the dependencies.
7027 2006-03-16 Roger Sayle <roger@eyesopen.com>
7030 * real.c (real_from_string): If the mantissa is zero, don't bother
7031 parsing the exponent as the result should always be zero.
7033 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7035 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7037 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7039 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7040 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7041 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7042 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7043 ia64_sched_finish_global): New static functions to implement
7044 hooks from gcc_target.sched.
7045 (spec_check_no, max_uid, pending_data_specs): New static variables.
7046 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7047 ia64_spec_check_src_p): New static functions.
7048 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7049 (TARGET_SCHED_ADJUST_COST): Removed.
7050 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7051 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7052 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7053 TARGET_SCHED_GEN_CHECK,
7054 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7055 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7056 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7057 Fixed to handle speculation checks.
7058 (rtx_needs_barrier): Fixed to handle speculative loads and
7060 (ia64_variable_issue): Added code to count speculative loads and their
7062 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7064 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7066 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7068 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7069 (ia64_reorg): Reset stops_p to NULL after it is freed.
7070 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7071 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7072 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7074 (data_speculative, control_speculative, check_load): New attributes.
7075 (mov<mode>_advanced, mov<mode>_speculative,
7076 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7077 zero_extend<mode>di2_speculative,
7078 zero_extend<mode>di2_speculative_advanced): New patterns for
7079 data and control speculative loads.
7080 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7082 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7083 New pattern for data and control speculation checks.
7084 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7085 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7086 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7087 Auxiliary definitions for the patterns.
7088 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7089 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7091 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7093 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7094 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7095 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7096 New resource constraints.
7097 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7099 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7100 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7101 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7102 msched-in-control-spec, msched-ldc, msched-control-ldc,
7103 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7104 msched-prefer-non-control-spec-insns,
7105 msched-count-spec-in-critical-path): New flags to tune speculative
7107 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7108 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7109 msched-in-control-spec, msched-ldc, msched-control-ldc,
7110 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7111 msched-prefer-non-control-spec-insns,
7112 msched-count-spec-in-critical-path): Document new flags.
7114 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7116 * target.h (struct spec_info_def): New opaque declaration.
7117 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7118 speculate_insn, needs_block_p, gen_check,
7119 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7120 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7121 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7122 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7123 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7124 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7126 (TARGET_SCHED): Use new macros.
7127 * rtl.h (copy_DEPS_LIST_list): New prototype.
7128 * sched-int.h (struct sched_info): Change signature of new_ready field,
7129 adjust all initializations. New fields: add_remove_insn,
7130 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7131 region_head_or_leaf_p.
7132 (struct spec_info_def): New structure declaration.
7133 (spec_info_t): New typedef.
7134 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7135 recovery_block, orig_pat.
7136 (glat_start, glat_end): New variables declaraions.
7137 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7139 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7140 DETACH_LIFE_INFO, USE_GLAT.
7141 (enum SPEC_SCHED_FLAGS): New enumeration.
7142 (NOTE_NOTE_BB_P): New macro.
7143 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7144 attach_life_info, debug_spec_status, check_reg_live): New functions.
7145 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7146 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7148 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7149 * ddg.c (get_block_head_tail): Adjust all uses.
7150 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7151 (sms_sched_info): Initialize new fields.
7152 (contributes_to_priority): Removed.
7153 * haifa-sched.c (params.h): New include.
7154 (get_block_head_tail): Adjust all uses.
7155 (ISSUE_POINTS): New macro.
7156 (glat_start, glat_end): New global variables.
7157 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7158 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7159 old_last_basic_block, before_recovery, current_sched_info_var,
7160 rgn_n_insns, luid): New static variables.
7161 (insn_cost1): New function. Move logic from insn_cost to here.
7162 (find_insn_reg_weight1): New function. Move logic from
7163 find_insn_reg_weight to here.
7164 (reemit_notes, move_insn, max_issue): Change signature.
7165 (move_insn1): Removed.
7166 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7167 extend_bb): New static functions to support extension of scheduler's
7169 (generate_recovery_code, process_insn_depend_be_in_spec,
7170 begin_speculative_block, add_to_speculative_block,
7171 init_before_recovery, create_recovery_block, create_check_block_twin,
7172 fix_recovery_deps): New static functions to support
7173 generation of recovery code.
7174 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7175 restore_bb_notes, move_block_after_check, move_succs): New static
7176 functions to support ebb scheduling.
7177 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7178 functions to support handling of register live information.
7179 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7180 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7181 add_jump_dependencies): New static functions.
7182 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7183 consistancy checking.
7184 (debug_spec_status): New function to call from debugger.
7185 (priority): Added code to handle speculation checks.
7186 (rank_for_schedule): Added code to distinguish speculative instructions.
7187 (schedule_insn): Added code to handle speculation checks.
7188 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7189 Fixed to handle ebbs.
7190 (move_insn): Added code to handle ebb scheduling.
7191 (max_issue): Added code to use ISSUE_POINTS of instructions.
7192 (choose_ready): Added code to choose between speculative and
7193 non-speculative instructions.
7194 (schedule_block): Added code to handle ebb scheduling and scheduling of
7195 speculative instructions.
7196 (sched_init): Initialize new variables.
7197 (sched_finish): Free new variables. Print statistics.
7198 (try_ready): Added code to handle speculative instructions.
7199 * lists.c (copy_DEPS_LIST_list): New function.
7200 * sched-deps.c (extend_dependency_caches): New function. Move logic
7201 from create_dependency_caches to here.
7202 (get_dep_weak, ds_merge): Make global.
7203 * genattr.c (main): Code to output prototype for
7204 dfa_clear_single_insn_cache.
7205 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7206 (output_dfa_clean_insn_cache_func): Code to output
7207 dfa_clear_single_insn_cache function.
7208 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7210 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7212 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7213 New static variables.
7214 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7215 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7217 (ebb_sched_info): Initialize new fields.
7218 (get_block_head_tail): Adjust all uses.
7219 (compute_jump_reg_dependencies): Fixed to use glat_start.
7220 (schedule_ebb): Code to remove unreachable last block.
7221 (schedule_ebbs): Added code to update register live information.
7222 * sched-rgn.c (region_sched_info): Initialize new fields.
7223 (get_block_head_tail): Adjust all uses.
7224 (last_was_jump): Removed. Adjust users.
7225 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7226 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7227 Implement new hooks.
7228 (check_dead_notes1): New static function.
7229 (struct region): New fields: dont_calc_deps, has_real_ebb.
7230 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7231 (BB_TO_BLOCK): Fixed to handle EBBs.
7232 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7233 (ebb_head): New static variable.
7234 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7235 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7237 (compute_dom_prob_ps): New assertion.
7238 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7239 global_live_at_start.
7240 (init_ready_list): New assertions.
7241 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7242 (new_ready): Add support for BEGIN_CONTROL speculation.
7243 (schedule_insns): Fixed code that updates register live information
7245 (schedule_region): Fixed to handle EBBs.
7246 (init_regions): Use extend_regions and check_dead_notes1.
7247 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7248 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7249 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7250 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7251 TARGET_SCHED_GEN_CHECK,
7252 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7253 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7254 * doc/invoke.texi (max-sched-insn-conflict-delay,
7255 sched-spec-prob-cutoff): Document.
7257 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7259 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7260 inter_tick, queue_index.
7261 (struct sched_info): Change signature of init_ready_list field.
7262 Adjust all initializations.
7263 (RESOLVED_DEPS): New access macro.
7264 (ready_add): Remove prototype.
7265 (try_ready): Add prototype.
7266 * sched-rgn.c (init_ready_list): Use try_ready.
7267 (schedule_region): Initialize
7268 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7269 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7270 (init_ready_list): Use try_ready.
7271 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7272 * lists.c (remove_list_elem): Remove `static'.
7273 (remove_free_INSN_LIST_elem): New function.
7274 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7275 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7276 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7278 (readyp): New variable.
7279 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7280 change_queue_index, resolve_dep): New static functions.
7281 (try_ready): New function. Adjust callers in sched-rgn.c and
7282 sched-ebb.c to use it instead of ready_add.
7283 (clock_var): Move at the begining of file.
7284 (rank_for_schedule): Fix typo.
7285 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7286 (ready_lastpos): Enforce assertion.
7287 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7289 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7290 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7291 (queue_to_ready): Use free_INSN_LIST_list.
7292 (early_queue_to_ready): Fix typo.
7293 (schedule_block): Init readyp. Move init_ready_list call after the
7294 initialization of clock_var. Fix error in rejecting insn by
7295 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7296 that previously corrected INSN_TICKs. Add code for handling
7298 (set_priorities): Fix typo.
7299 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7300 Clarify comment and code that keeps current_sched_info->next_tail
7303 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7305 * sched-rgn.c (extend_rgns): New static function.
7306 (find_rgns): Use it.
7307 (gather_region_statistics, print_region_statistics): New static
7309 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7310 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7312 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7313 Andrey Belevantsev <abel@ispras.ru>
7315 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7316 * lists.c (unused_deps_list): New variable.
7317 (free_list): Add assertions to verify the proper distinguishing
7318 between INSN_LISTs and DEPS_LISTs.
7319 (find_list_elem, remove_list_elem, remove_list_node): New static
7321 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7322 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7323 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7324 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7326 (free_INSN_LIST_node): Likewise.
7327 * modulo-sched.c (current_sched_info): Initialize flags field.
7328 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7329 * rtl.def (DEPS_LIST): Define.
7330 * rtl.h: Declare new functions from lists.c.
7331 * sched-deps.c (spec_dependency_cache): New static variable.
7332 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7333 (add_dependence): Change return type to void. Move the logic to ...
7334 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7335 (delete_all_dependences): Add comment about forward_dependency_cache.
7336 Handle spec_dependency_cache. Handle DEPS_LISTs.
7337 (fixup_sched_groups): Clarify the change of priority of output
7338 and anti dependencies.
7339 (sched_analyze_2): Adjust add_dependence calls to create data
7340 speculative dependence.
7341 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7342 Adjust all callers. Handle DEPS_LISTS.
7343 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7344 presence of speculation.
7345 (init_dependency_caches, free_dependency_caches):
7346 Handle spec_dependency_cache.
7347 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7348 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7349 New static functions.
7350 (add_or_update_back_dep, add_or_update_back_forw_dep,
7351 add_back_forw_dep, delete_back_forw_dep): New functions.
7352 * sched-int.h (ds_t, dw_t): New typedefs.
7353 (struct sched_info): Add new field flags.
7354 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7355 Prototype new sched-deps.c functions.
7356 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7357 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7358 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7359 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7360 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7361 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7363 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7365 * sched-rgn.c (current_sched_info): Initialize flags field.
7366 (schedule_insns): Initialize current_sched_info before the sched_init
7368 * sched-ebb.c (current_sched_info): Initialize flags field.
7369 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7370 Call add_or_update_back_dep instead of add_dependence.
7371 Create control speculative dependencies.
7372 (schedule_insns): Initialize current_sched_info before the sched_init
7375 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7377 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7379 (sh_fallback_frame_state): Likewise.
7381 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7383 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7384 Do switch on default_use_cxa_atexit.
7385 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7386 * config/darwin-crt3.o: New.
7387 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7388 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7389 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7391 * config/rs6000/t-darwin: Move crt2.o building to here.
7392 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7393 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7396 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7398 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7399 from '! xxx' to '!xxx' for coding-style conformance.
7400 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7401 (EXTRA_CONSTRAINT): Likewise.
7402 * config/vax/vax.md (four unnamed insns): Likewise.
7404 2006-03-15 Paul Brook <paul@codesourcery.com>
7406 * config/arm/arm.c (minipool_pad): New.
7407 (add_minipool_forward_ref): Include pool alignment padding in address
7409 (push_minipool_fix): Set minipool_pad.
7410 (minipool_pad): Ditto.
7412 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7414 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7415 instead of GET_CODE() == MEM and REG_P() instead of
7417 (print_operand_address): Likewise.
7418 (vax_address_cost): Likewise.
7419 (vax_rtx_costs): Likewise.
7420 (vax_notice_update_cc): Likewise.
7421 (vax_output_int_add): Likewise.
7422 (INDEX_REGISTER_P): Likewise.
7423 (BASE_REGISTER_P): Likewise.
7424 (nonindexed_address_p): Likewise.
7425 (vax_mode_dependent_address_p): Likewise.
7426 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7427 (PRINT_OPERAND): Likewise.
7428 * config/vax/vax.md (ashlsi3): Likewise.
7429 (ashlsi3): Likewise.
7430 (some more unnamed insns): Likewise.
7432 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7434 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7435 iterator-style macro.
7436 (mark_control_dependent_edges_necessary): Update the use of
7437 EXECUTE_IF_CONTROL_DEPENDENT.
7439 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7441 * config/sh/predicates.md (cache_address_operand): Special.
7442 (ua_address_operand): Likewise.
7444 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7446 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7448 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7450 2006-03-15 Andreas Schwab <schwab@suse.de>
7452 * gensupport.c (identify_predicable_attribute): Don't free p_false
7453 when it is still in use.
7455 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7457 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7458 the default setting here.
7460 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7462 * tree-pass.h (pass_cfg): Remove.
7463 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7464 * passes.c (pass_cfg): Don't run it.
7466 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7468 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7469 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7471 (stack_regs_mentioned): Update the uses of
7472 stack_regs_mentioned_data. Don't access the array beyond its
7474 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7475 Don't include gt-reg-stack.h.
7477 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7478 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7480 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7483 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7486 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7488 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7490 2006-03-14 Richard Guenther <rguenther@suse.de>
7492 PR tree-optimization/26672
7493 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7496 2006-03-14 Richard Guenther <rguenther@suse.de>
7498 PR tree-optimization/26667
7499 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7500 node for the callees. Always allow inlining if it will shrink
7503 2006-03-14 Richard Guenther <rguenther@suse.de>
7506 * builtins.c (get_pointer_alignment): Prefer alignment
7507 information from decls over that from types.
7509 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7512 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7514 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7516 * config/rs6000/rs6000.opt (mdlmzb): New option.
7517 (msched-prolog, msched-epilog): Use Var not Mask.
7518 * doc/invoke.texi (-mdlmzb): Document.
7519 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7521 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7522 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7524 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7526 PR rtl-optimization/25739
7527 * bt-load.c (augment_live_range): Free tos pointer.
7529 * gensupport.c (identify_predicable_attribute): Free
7531 * gcov.c (create_file_names): Free name pointer.
7533 2006-03-13 Roger Sayle <roger@eyesopen.com>
7536 * stmt.c (emit_case_nodes): Handle the case where the index is a
7537 CONST_INT, where the comparison mode is specified by the index type.
7539 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7541 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7544 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7546 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7547 (*branch_fp_inverted): Likewise.
7549 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7552 * omp-low.c (expand_omp_for_generic): Mark istart0
7553 and iend0 as addressable.
7555 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7557 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7559 2006-03-13 Jeff Law <law@redhat.com>
7561 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7562 virtual operands are interesting.
7563 (vrp_visit_stmt): Corresponding changes.
7565 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7567 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7569 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7570 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7571 * config/bfin/crti.S: Use it instead of __PIC__.
7572 * config/bfin/crtn.S: Likewise.
7574 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7575 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7577 Lose 'G' modifier for call operand.
7578 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7579 recognize 'G' modifier.
7581 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7584 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7585 * stmt.c (expand_case): Likewise.
7587 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7589 PR rtl-optimization/26254
7590 * loop-invariant.c (seq_insns_valid_p): New function.
7591 (move_invariant_reg): Only emit new code if it is valid.
7593 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7595 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7597 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7598 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7599 (commit_one_edge_insertion): Do not look for loop notes.
7601 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7603 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7604 flag_test_coverage out of loop.
7606 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7608 * final.c (shorten_branches): Remove outdated comment, and turn
7609 the if branch that guards it to continue.
7611 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7613 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7614 * cfgloop.h (struct loop): Remove unused fields.
7616 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7618 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7619 (-dL, -fdump-rtl-loop2): Update the dump file names
7621 * doc/invoke.texi: Update dump file names.
7623 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7625 * predict.c (estimate_probability): Remove.
7626 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7627 * basic-block.h (estimate_probability): Remove prototype.
7628 * passes.c (finish_optimization_passes): Dump branch prediction or
7629 profiling heuristics to the .profile tree dump.
7630 (init_optimization_passes): Unqueue pass_branch_prob.
7632 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7634 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7636 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7637 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7639 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7641 * function.h (frame_offset_overflow): Declare.
7642 * function.c (frame_offset_overflow): New function.
7643 (assign_stack_local_1): Call it to detect that the offset overflows.
7644 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7646 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7648 * config/sh/sh.c: Include alloc-pool.h.
7649 (label_ref_list_pool): New alloc pool.
7650 (label_ref_list_t): New type for lists of labels.
7651 (struct pool_node): Make wend a label_ref_list_t.
7652 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7654 (dump_table): Likewise.
7655 (sh_reorg): Set up the alloc pool before using add_constant and
7656 dump_table, and destroy it when finishing.
7658 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7660 * config/mips/mips.c: Remove redundant comment.
7662 2006-03-10 Jason Merrill <jason@redhat.com>
7665 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7666 the target was declared 'register'.
7668 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7670 * genpreds.c (write_insn_constraint_len): Change definition of
7671 insn_constraint_len to return size_t to match the declaration.
7673 2006-03-10 DJ Delorie <dj@redhat.com>
7675 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7677 (m32c_expand_insv): Fix test for an AND mask.
7679 2006-03-10 Richard Guenther <rguenther@suse.de>
7682 * builtins.c (get_pointer_alignment): Handle component
7683 references for field alignment.
7685 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7687 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7688 when building with libgloss.
7689 (sh*elf): Implement --without-fp option.
7690 (sh64-superh-linux*): Don't multilib.
7692 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7694 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7696 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7698 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7699 Set it when one of the replacement functions returned true.
7700 Return TODO_cleanup_cfg if cfgchanged is true.
7701 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7703 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7705 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7706 instead of gen_lowpart.
7708 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7710 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7712 (mips_output_order_conditional_branch): Declare.
7713 * config/mips/mips.h (MIPS_BRANCH): New macro.
7714 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7715 for the comparison. Use gen_condjump.
7716 (mips_output_conditional_branch): Rework interface to take the
7717 asm templates for a direct branch and the inverse of a direct branch.
7718 (mips_output_order_conditional_branch): New function.
7719 (mips_builtin_branch_and_move): New function.
7720 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7721 branch condition. Use gen_single_cc as the condition for
7722 __builtin_mips_upper_* or __builtin_mips_lower_*.
7723 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7724 Use VOIDmode for the branch condition.
7725 * config/mips/predicates.md (order_operator): New predicate.
7726 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7727 (branch_fp): Rename to...
7728 (*branch_fp): ...this. Remove mode from comparison operator.
7729 Use new mips_output_conditional_branch interface.
7730 (branch_fp_inverted): Rename to...
7731 (*branch_fp_inverted): ...this and update as for *branch_fp.
7732 (*branch_zero<mode>): Rename to...
7733 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7734 Use mips_output_order_conditional_branch. Only accept ordered
7736 (*branch_zero<mode>_inverted): Rename to...
7737 (*branch_order<mode>_inverted): ...this and update as for
7738 *branch_order<mode>.
7739 (*branch_equality<mode>): Accept zero as the second operand to
7740 the equality operator. Use the new mips_output_conditional_branch
7742 (*branch_equality<mode>_inverted): Likewise.
7743 (condjump): New expander.
7744 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7746 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7747 (bc1any2t, bc1any2f): Likewise.
7748 (single_cc): New expander.
7749 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7751 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7753 * doc/md.texi: Update documentation of MIPS constraints.
7754 * config/mips/constraints.md: New file.
7755 * config/mips/mips.md: Include it.
7756 * config/mips/mips.c (mips_char_to_class): Delete.
7757 (override_options): Don't initialize mips_char_to_class.
7758 * config/mips/mips.h (mips_char_to_class): Delete.
7759 (REG_CLASS_FROM_LETTER): Delete.
7760 (CONST_OK_FOR_LETTER_P): Delete.
7761 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7762 (EXTRA_CONSTRAINT_Y): Delete.
7763 (EXTRA_CONSTRAINT_STR): Delete.
7764 (CONSTRAINT_LEN): Delete.
7765 (EXTRA_MEMORY_CONSTRAINT): Delete.
7767 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7769 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7770 original fn's eh regions.
7772 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7774 * fold-const.c (build_range_check): Make sure to use a valid type to
7775 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7778 (range_predecessor): New static function.
7779 (range_successor): Likewise.
7780 (merge_ranges): Use them to compute predecessors and successors of
7783 2006-03-09 Roger Sayle <roger@eyesopen.com>
7786 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7787 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7789 2006-03-08 DJ Delorie <dj@redhat.com>
7791 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7792 (addpsi3): Expand to include memory operands. Remove
7793 reload-specific splits.
7794 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7795 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7796 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7797 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7798 (shift1_qi, shift1_hi, insv): New.
7799 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7800 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7801 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7803 * config/m32c/m32c-protos.h: Update as needed.
7804 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7805 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7806 Fail for unrecognized R* constraints.
7807 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7808 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7809 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7811 (m32c_init_libfuncs): New.
7812 (m32c_legitimate_address_p): Add debug wrapper.
7813 (m32c_rtx_costs): New.
7814 (m32c_address_cost): New.
7815 (conversions): Add 'B' prefix.
7816 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7817 operands, or word regnames for QI operands. 'B' prints bit
7819 (m32c_expand_setmemhi): New.
7820 (m32c_expand_movmemhi): New.
7821 (m32c_expand_movstr): New.
7822 (m32c_expand_cmpstr): New.
7823 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7824 (m32c_expand_neg_mulpsi3): Handle non-ints.
7825 (m32c_cmp_flg_0): New.
7826 (m32c_expand_movcc): New.
7827 (m32c_expand_insv): New.
7828 (m32c_scc_pattern): New.
7829 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7830 a0/a1 out of SIregs.
7831 (STORE_FLAG_VALUE): New.
7832 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7835 * config/m32c/mov.md: Make constraints more liberal.
7836 (zero_extendqihi2): Optimize r0/r1 case.
7837 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7838 * config/m32c/predicates.md (m32c_any_operand): New.
7839 (m32c_nonimmediate_operand): New.
7840 (m32c_hl_operand): New.
7841 (m32c_r3_operand): New.
7844 (memsym_operand): New.
7845 (memimmed_operand): New.
7846 (a_qi_operand): New.
7847 (m32c_eqne_operator): New.
7848 (m32c_1bit8_operand): New.
7849 (m32c_1bit16_operand): New.
7850 (m32c_1mask8_operand): New.
7851 (m32c_1mask16_operand): New.
7852 * config/m32c/blkmov.md: New file.
7853 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7855 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7857 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7858 unsigned to fix signed/unsigned comparison issue in
7859 DWARF2_FRAME_REG_OUT.
7860 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7861 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7863 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7864 of ptr into the ENABLE_CHECKING section.
7866 2006-03-08 Jeff Law <law@redhat.com>
7868 * tree-vrp.c (infer_value_range): Only count pointer uses
7869 and dereferences if -fdelete-null-pointer-checks is enabled.
7871 * tree-vrp.c (find_assert_locations): Infer value ranges for
7872 single use pointers, but do not create ASSERT_EXPRs for them.
7873 When a non-null range is inferred for a pointer, backwards
7874 propagate that range to other equivalent pointers through the
7877 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7880 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7881 language hook targets.
7882 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7883 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7884 if language hook targets were missing.
7886 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7888 * tree-ssa-opfinalize.h: Removed.
7889 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7891 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7892 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7893 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7894 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7895 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7896 finalize_ssa_v_must_def_ops): New.
7898 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7900 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7903 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7905 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7907 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7908 addresses with offsets; reorganize.
7910 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7911 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7912 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7914 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7917 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7919 2006-03-08 Ben Elliston <bje@au.ibm.com>
7921 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7923 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7926 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7929 2006-03-07 Richard Guenther <rguenther@suse.de>
7931 PR tree-optimization/26587
7932 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7934 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7936 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7938 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7940 * hooks.c (hook_bool_mode_rtx_true): New function.
7941 * hooks.h (hook_bool_mode_rtx_true): Declare.
7942 * toplev.c (compile_file): Call output_shared_constant_pool.
7943 * varasm.c (shared_constant_pool): New variable.
7944 (assemble_start_function, assemble_end_function): Remove arguments
7945 from call to output_constant_pool.
7946 (create_constant_pool): New function, split out from...
7947 (init_varasm_status): ...here.
7948 (force_const_mem): Choose between the shared and per-function constant
7949 pools. Set current_function_uses_const_pool when reusing old entries
7950 as well as when creating new ones.
7951 (mark_constant): Ignore data argument.
7952 (mark_constants): Remove pool argument.
7953 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7954 to decide whether the function uses a constant pool.
7955 (output_constant_pool_contents): New function, split out from...
7956 (output_constant_pool): ...here.
7957 (output_shared_constant_pool): New function.
7958 (init_varasm_once): Initialize shared_constant_pool.
7959 * output.h (output_constant_pool): Delete.
7960 (output_shared_constant_pool): Declare.
7961 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7962 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7964 2006-03-06 Nick Clifton <nickc@redhat.com>
7966 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7967 flag_strength_reduce.
7969 2006-03-06 Ben Elliston <bje@au.ibm.com>
7971 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7972 x86_64-*-linux* configurations.
7974 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7975 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7977 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7979 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7981 * basic-block.h: Remove the extern for
7982 rediscover_loops_after_threading.
7984 * cfgloop.c (cancel_loop): Make it static.
7985 * cfgloop.h: Remove the prototype for cancel_loop.
7987 * flow.c (recompute_reg_usage): Make it static.
7988 * rtl.h: Remove the prototype for recompute_reg_usage.
7990 * function.c (use_return_register): Make it static.
7991 * function.h: Remove the prototype.
7993 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7995 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7997 * recog.h: Remove the prototype for
7998 validate_change_maybe_volatile.
8000 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8002 * rtlanal.c (replace_reg): Remove.
8003 * rtl.h: Remove the prototype for replace_reg.
8005 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8007 * regclass.c (reg_scan_update): Remove.
8008 (reg_scan_mark_refs): Remove the last argument.
8009 * rtl.h: Remove the prototype for reg_scan_update.
8011 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8013 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8014 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8015 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8016 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8017 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8018 loop-invariant.c, omp-low.c, opts.c, passes.c,
8019 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8020 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8021 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8022 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8023 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8024 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8026 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8028 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8029 * dwarf2out.h: Remove the prototype for
8030 dwarf2out_add_library_unit_info.
8032 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8034 * tree.c (add_var_to_bind_expr): Remove.
8035 * tree.h: Remove the prototype for add_var_to_bind_expr.
8037 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8039 * regclass.c (n_non_fixed_regs): Remove.
8040 (init_reg_sets_1, globalize_reg): Remove all uses of
8042 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8044 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8046 * rtlanal.c (insns_safe_to_move_p): Remove.
8047 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8049 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8051 * expmed.c (expand_mult_add): Remove.
8052 * expr.h: Remove the prototype for expand_mult_add.
8054 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8056 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8057 and REG_SAVED_VAL_EXP constants.
8058 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8059 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8060 Handle regs stored by value.
8061 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8062 (execute_cfa_program): Handle DW_CFA_val_offset,
8063 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8064 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8065 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8066 (uw_install_context_1): Handle target regs stored by value.
8068 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8070 * tree-sra.c (tree_sra): Return todoflags;
8071 (generate_one_element): Set TODO_update_smt_usage if needed.
8072 (pass_sra): Remove TODO_update_smt_usage.
8073 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8075 (tree_ssa_forward_propagate_single_use_vars): Return
8076 TODO_update_smt_usage if we need to update SMT usage.
8077 (pass_forwprop): Remove TODO_update_smt_usage.
8079 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8081 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8082 (correct_use_link): Remove reference to get_stmt_operands.
8083 (update_stmt_operands): Likewise.
8084 (get_modify_expr_operands): New function factored out of
8085 parse_ssa_operands and get_expr_operands.
8086 Try to create V_MUST_DEFs for LHS by default.
8087 (get_expr_operands) <case MODIFY_EXPR>: Call
8088 get_modify_expr_operands.
8089 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8090 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8091 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8092 get_modify_expr_operands.
8094 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8096 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8097 * tree-flow.h: Remove the prototype for
8098 referenced_var_lookup_if_exists.
8100 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8102 PR rtl-optimization/26345
8104 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8106 2006-03-03 Roger Sayle <roger@eyesopen.com>
8108 PR tree-optimization/26524
8109 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8110 fold_convert to create a constant of the appropriate type.
8112 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8114 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8115 SYMBOL_REF_IN_BLOCK_P.
8116 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8117 of SYMBOL_FLAG_IN_BLOCK.
8118 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8119 instead of SYMBOL_REF_IN_BLOCK_P.
8120 * explow.c (use_anchored_address): Likewise.
8121 * rtl.c (rtx_size): Likewise.
8122 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8123 instead of SYMBOL_FLAG_IN_BLOCK.
8124 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8125 SYMBOL_REF_IN_BLOCK_P.
8126 (assemble_variable): Likewise.
8127 (output_constant_def_contents): Likewise.
8128 (output_constant_pool): Likewise.
8129 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8130 instead of SYMBOL_FLAG_IN_BLOCK.
8131 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8132 SYMBOL_REF_IN_BLOCK_P.
8133 (SYMBOL_REF_BLOCK): Likewise.
8134 (SYMBOL_REF_OFFSET): Likewise.
8135 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8136 SYMBOL_REF_IN_BLOCK_P.
8137 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8138 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8139 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8140 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8142 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8144 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8146 2006-03-02 Roger Sayle <roger@eyesopen.com>
8148 * simplify-rtx.c (simplify_unary_operation): When simplifying
8149 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8150 that we perform the right shift in the appropriate mode, and
8151 then extend or truncate the result to requested mode.
8153 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8155 * gengtype.c (main): Handle double_int type.
8156 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8157 * double-int.c: New file.
8158 * double-int.h: New file.
8159 * system.h: Include doubleint.h.
8160 * Makefile.in (SYSTEM_H): Include double-int.h.
8161 (double-int.o): Add.
8163 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8166 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8169 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8171 * tree-vrp.c (remove_range_assertions): Do not update statements
8174 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8176 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8178 * gcse.c (rest_of_handle_gcse): Ditto.
8179 * except.c (gate_handle_eh): Ditto.
8180 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8181 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8183 2006-03-02 Eric Christopher <echristo@apple.com>
8185 * config/i386/i386.c (machopic_output_stub): Add indirection to
8188 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8192 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8194 Sun Niagara specific optimizations.
8195 * config.gcc: Recognize niagara as target.
8196 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8197 (TARGET_CPU_niagara): Define.
8198 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8199 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8200 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8201 (ASM_CPU_SPEC): Likewise.
8202 (PROCESSOR_NIAGARA): New enum entry.
8203 (REGISTER_MOVE_COST): Handle Niagara.
8204 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8205 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8206 (sparc_override_options): Recognize "niagara", set appropriate
8207 default MASK_* values for it, and align functions to 32-bytes
8208 by default just like ULTRASPARC/ULTRASPARC3.
8209 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8210 (sparc64_initialize_trampoline): Likewise.
8211 (sparc_use_sched_lookahead): Use zero for niagara.
8212 (sparc_issue_rate): Use one for niagara.
8213 * config/sparc/niagara.md: New file.
8214 * config/sparc/sparc.md: Include it.
8215 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8216 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8217 when default cpu is niagara.
8218 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8219 (ASM_CPU_SPEC): Likewise.
8220 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8221 when default cpu is niagara.
8222 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8223 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8224 just like v9/ultrasparc/ultrasparc3.
8225 * doc/invoke.texi: Add documentation for "niagara" and improve
8226 existing documentation for ultrasparc variants.
8228 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8230 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8232 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8234 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8235 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8236 and say that only one is needed.
8237 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8238 * target.h (have_switchable_bss_sections): New hook.
8239 * explow.c (use_anchored_address): Check that the symbol is in a block.
8240 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8241 (bss_noswitch_section): New variables.
8242 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8243 (get_noswitch_section): New function.
8244 (get_block_for_section): Allow SECT to be null.
8245 (unlikely_text_section_p): Use SECTION_STYLE.
8246 (bss_initializer_p): New function.
8247 (get_variable_section): Move earlier in file. Take a new argument,
8248 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8249 Return one of the new *_sections in such cases.
8250 (get_block_for_decl): New function, extracting some logic from
8251 use_blocks_for_decl_p.
8252 (change_symbol_section): Remove in favor of...
8253 (change_symbol_block): ...this new function.
8254 (use_blocks_for_decl_p): Remove checks now performed by
8256 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8257 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8258 (emit_local, emit_bss, emit_common): ...these new functions.
8259 Return true if the alignment was honored.
8260 (emit_tls_common): New function.
8261 (asm_emit_uninitialised): Delete.
8262 (assemble_variable_noswitch): New function, split out from...
8263 (assemble_variable): ...here. Don't make decisions about common
8264 variables here. Globalize all public decls that go into non-common
8265 sections. Check whether SYMBOL_REF_BLOCK is null.
8266 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8267 (output_constant_pool): Likewise.
8268 (init_varasm_once): Initialize the new section variables.
8269 (have_global_bss_p): New function.
8270 (categorize_decl_for_section): Use bss_initializer_p.
8271 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8272 (place_block_symbol): Assert that the symbol must be in a block.
8273 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8274 (TARGET_INITIALIZER): Include it.
8275 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8276 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8277 (SECTION_MACH_DEP): Bump by two.
8278 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8279 (unnamed_section): Mention SECTION_UNNAMED in comment.
8280 (named_section): Likewise SECTION_NAMED.
8281 (noswitch_section_callback): New type.
8282 (noswitch_section): New structure.
8283 (section): Add a noswitch_section alternative.
8284 (SECTION_STYLE): New macro.
8285 (tls_comm_section, comm_section, lcomm_section): Declare.
8286 (bss_noswitch_section, have_global_bss_p): Declare.
8287 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8288 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8290 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8291 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8294 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8296 * tree-vrp.c (execute_vrp): Return value.
8297 * regrename.c (rest_of_handle_regrename): Ditto.
8298 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8299 * tree-complex.c (tree_lower_complex): Ditto.
8300 (tree_lower_complex_O0): Ditto.
8301 * tracer.c (rest_of_handle_tracer): Ditto.
8302 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8303 * postreload.c (rest_of_handle_postreload): Ditto.
8304 * tree-tailcall.c (execute_tail_recursion): Ditto.
8305 (execute_tail_calls): Ditto.
8306 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8307 * tree.h (init_function_for_compilation): Ditto.
8308 * ipa-cp.c (ipcp_driver): Ditto.
8309 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8310 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8311 * final.c (compute_alignments): Ditto.
8312 (rest_of_handle_final): Ditto.
8313 (rest_of_handle_shorten_branches): Ditto.
8314 (rest_of_clean_state): Ditto.
8315 * omp-low.c (execute_expand_omp): Ditto.
8316 (execute_lower_omp): Ditto.
8317 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8318 * ipa-reference.c (static_execute): Ditto.
8319 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8320 * reorg.c (rest_of_handle_delay_slots): Ditto.
8321 (rest_of_handle_machine_reorg): Ditto.
8322 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8323 * flow.c (recompute_reg_usage): Ditto.
8324 (rest_of_handle_remove_death_notes): Ditto.
8325 (rest_of_handle_life): Ditto.
8326 (rest_of_handle_flow2): Ditto.
8327 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8328 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8329 (do_ssa_store_ccp): Ditto.
8330 (execute_fold_all_builtins): Ditto.
8331 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8332 * modulo-sched.c (rest_of_handle_sms): Ditto.
8333 * ipa-pure-const.c (static_execute): Ditto.
8334 * cse.c (rest_of_handle_cse): Ditto.
8335 (rest_of_handle_cse2): Ditto.
8336 * web.c (rest_of_handle_web): Ditto.
8337 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8338 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8339 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8340 * tree-nrv.c (tree_nrv): Ditto.
8341 (execute_return_slot_opt): Ditto.
8342 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8343 (create_structure_vars): Ditto.
8344 * loop-init.c (rtl_loop_init): Ditto.
8345 (rtl_loop_done): Ditto.
8346 (rtl_move_loop_invariants): Ditto.
8347 (rtl_unswitch): Ditto.
8348 (rtl_unroll_and_peel_loops): Ditto.
8349 (rtl_doloop): Ditto.
8350 * gimple-low.c (lower_function_body): Ditto.
8351 (mark_used_blocks): Ditto.
8352 * tree-ssa-sink.c (execute_sink_code): Ditto.
8353 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8354 (cgraph_early_inlining): Ditto.
8355 * global.c (rest_of_handle_global_alloc): Ditto.
8356 * jump.c (cleanup_barriers): Ditto.
8357 (purge_line_number_notes): Ditto.
8358 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8359 (rest_of_handle_if_after_reload): Ditto.
8360 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8361 (tree_ssa_loop_im): Ditto.
8362 (tree_ssa_loop_unswitch): Ditto.
8363 (tree_vectorize): Ditto.
8364 (tree_linear_transform): Ditto.
8365 (tree_ssa_loop_ivcanon): Ditto.
8366 (tree_ssa_empty_loop): Ditto.
8367 (tree_ssa_loop_bounds): Ditto.
8368 (tree_complete_unroll): Ditto.
8369 (tree_ssa_loop_prefetch): Ditto.
8370 (tree_ssa_loop_ivopts): Ditto.
8371 (tree_ssa_loop_done): Ditto.
8372 * predict.c (tree_estimate_probability): Ditto.
8373 * recog.c (split_all_insns_noflow): Ditto.
8374 (rest_of_handle_peephole2): Ditto.
8375 (rest_of_handle_split_all_insns): Ditto.
8376 * tree-eh.c (lower_eh_constructs): Ditto.
8377 * regmove.c (rest_of_handle_regmove): Ditto.
8378 (rest_of_handle_stack_adjustments): Ditto.
8379 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8380 * function.c (instantiate_virtual_regs): Ditto.
8381 (init_function_for_compilation): Ditto.
8382 (rest_of_handle_check_leaf_regs): Ditto.
8383 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8384 (rest_of_handle_gcse): Ditto.
8385 * ipa-type-escape.c (type_escape_execute): Ditto.
8386 * alias.c (rest_of_handle_cfg): Ditto.
8387 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8388 * profile.c (rest_of_handle_branch_prob): Ditto.
8389 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8390 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8391 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8392 * tree-dfa.c (find_referenced_vars): Ditto.
8393 * except.c (set_nothrow_function_flags): Ditto.
8394 (convert_to_eh_region_ranges): Ditto.
8395 (rest_of_handle_eh): Ditto.
8396 * emit-rtl.c (unshare_all_rtl): Ditto.
8397 (remove_unnecessary_notes): Ditto.
8398 * except.h (set_nothrow_function_flags): Ditto.
8399 (convert_to_eh_region_ranges): Ditto.
8400 * cfgexpand.c (tree_expand_cfg): Ditto.
8401 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8402 * tree-ssa-pre.c (do_pre): Ditto.
8403 (execute_fre): Ditto.
8404 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8405 (rest_of_handle_jump2): Ditto.
8406 * tree-sra.c (tree_sra): Ditto.
8407 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8408 (execute_mudflap_function_decls): Ditto.
8409 * tree-ssa-copy.c (do_copy_prop): Ditto.
8410 (do_store_copy_prop): Ditto.
8411 * ipa-prop.h (ipcp_driver): Ditto.
8412 * cfglayout.c (insn_locators_initialize): Ditto.
8413 * tree-ssa-forwprop.c
8414 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8415 * cfglayout.h (insn_locators_initialize): Ditto.
8416 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8417 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8418 (execute_late_warn_uninitialized): Ditto.
8419 * rtl.h (cleanup_barriers): Ditto.
8420 (split_all_insns_noflow): Ditto.
8421 (purge_line_number_notes): Ditto.
8422 (unshare_all_rtl): Ditto.
8423 (remove_unnecessary_notes): Ditto.
8424 (recompute_reg_usage): Ditto.
8425 (variable_tracking_main): Ditto.
8426 * integrate.c (emit_initial_value_sets): Ditto.
8427 * integrate.h (emit_initial_value_sets): Ditto.
8428 * tree-optimize.c (execute_free_datastructures): Ditto
8429 (execute_free_cfg_annotations): Ditto.
8430 (execute_fixup_cfg): Ditto.
8431 (execute_cleanup_cfg_pre_ipa): Ditto.
8432 (execute_cleanup_cfg_post_optimizing): Ditto.
8433 (execute_init_datastructures): Ditto.
8434 * tree-object-size.c (compute_object_sizes): Ditto.
8435 * combine.c (rest_of_handle_combine): Ditto.
8436 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8437 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8438 (rest_of_handle_reorder_blocks): Ditto.
8439 (rest_of_handle_partition_blocks): Ditto.
8440 * var-tracking.c (variable_tracking_main): Ditto.
8441 * tree-profile.c (tree_profiling): Ditto.
8442 * tree-vect-generic.c (expand_vector_operations): Ditto.
8443 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8444 * sched-rgn.c (rest_of_handle_sched): Ditto.
8445 (rest_of_handle_sched2): Ditto.
8446 * basic-block.h (free_bb_insn): Ditto.
8447 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8448 * tree-cfg.c (execute_build_cfg): Ditto.
8449 (remove_useless_stmts): Ditto.
8450 (split_critical_edges): Ditto.
8451 (execute_warn_function_return): Ditto.
8452 (execute_warn_function_noreturn): Ditto.
8453 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8454 * cfgrtl.c (free_bb_for_insn): Ditto.
8455 * passes.c (execute_one_pass): Run additional
8456 todos returned by execute function.
8457 * tree-pass.h (struct tree_opt_pass): Make execute
8460 2006-03-02 Richard Guenther <rguenther@suse.de>
8462 * tree-ssa-alias.c (find_used_portions): Consider taking
8463 the address as making the variable not write-only.
8465 2006-03-02 Nick Clifton <nickc@redhat.com>
8467 * config.gcc (default_use_cxa_atexit): Extend the description of
8468 this configure variable. Set its default value to "yes" for
8469 Linux, NetBSD and ELF targets on the assumption that they will
8470 use C libraries with the __cxa_atexit function.
8472 2006-03-02 Ben Elliston <bje@au.ibm.com>
8474 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8475 parameter as unused to suppress a build warning.
8477 2006-03-02 Ben Elliston <bje@au.ibm.com>
8479 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8482 2006-03-01 Roger Sayle <roger@eyesopen.com>
8485 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8486 declared name, the weak reference name, and the typeof name.
8487 (__gthrw): Avoid expanding the declared name suffix.
8488 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8490 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8492 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8494 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8495 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8496 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8497 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8498 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8499 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8500 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8501 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8502 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8503 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8504 (DW_END_default, DW_END_big, DW_END_little): New.
8505 (DW_END_lo_user, DW_END_hi_user): Define.
8506 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8507 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8508 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8511 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8513 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8515 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8517 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8519 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8521 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8522 to 'symbol_mem_tag'.
8524 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8527 2006-03-01 Roger Sayle <roger@eyesopen.com>
8529 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8531 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8534 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8535 MACHO_DYNAMIC_NO_PIC_P.
8536 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8538 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8541 * config/darwin-protos.h (darwin_asm_output_anchor):
8543 * config/darwin-sections.def (cstring_section):
8544 Add SECTION_MERGE to the flags.
8545 (literal4_section): Likewise.
8546 (literal8_section): Likewise.
8547 (objc_selector_refs_section): Likewise.
8548 (objc_cls_refs_section): Likewise.
8549 * config/darwin.c (darwin_asm_output_anchor): New
8551 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8553 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8555 Fix PR tree-optimization/26443
8556 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8557 to todo and PROP_tmt_usage to properties_destroyed.
8558 * tree-ssa-ccp.c (pass_ccp): Ditto.
8559 (pass_store_ccp): Ditto.
8560 * tree-ssa-dom.c (pass_dominator): Ditto.
8562 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8564 * tree-ssa-operands.c: Cleanup whitespace.
8565 (get_asm_expr_operands): Move before first invocation.
8566 (get_indirect_ref_operands): Likewise.
8567 (get_tmr_operands): Likewise.
8568 (get_call_expr_operands): Likewise.
8569 (append_def): Likewise.
8570 (append_use): Likewise.
8571 (append_v_may_def): Likewise.
8572 (append_v_must_def): Likewise.
8573 (add_call_clobber_ops): Likewise.
8574 (add_call_read_ops): Likewise.
8575 (add_stmt_operand): Likewise.
8576 (add_virtual_operand): Likewise.
8577 (build_ssa_operands): Likewise.
8579 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8584 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8585 with a call expr to ...
8586 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8588 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8590 * tree-vrp.c (extract_range_from_assert): Remove special
8591 handling for types with super-types.
8593 2006-03-01 Ben Elliston <bje@au.ibm.com>
8595 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8596 and powerpc64-*-linux* configurations.
8597 * config/t-dfprules: New file.
8599 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8600 Compile dfp-bit.c from the source directory using -DWIDTH and
8601 $DFP_CFLAGS to control the compilation of that file, rather than
8602 generating width-specific versions in the build directory.
8603 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8604 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8606 2006-02-28 Zack Weinberg <zackw@panix.com>
8608 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8611 2006-02-28 Eric Christopher <echristo@apple.com>
8613 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8614 Set up IN_LIBGCC definition of TARGET_64BIT.
8615 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8617 2006-02-28 Roger Sayle <roger@eyesopen.com>
8620 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8621 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8622 cases via the construction of "expr != 0".
8624 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8626 * alias.c (alias_invariant, alias_invariant_size): Remove.
8627 (record_base_value): Remove.
8628 (memrefs_conflict_p): Don't look at alias_invariant.
8629 (end_alias_analysis): Don't free it.
8630 * alias.h (record_base_value): Remove prototype.
8632 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8633 Adam Nemet <anemet@caviumnetworks.com>
8635 * rtl.h (truncated_to_mode): Declare it.
8636 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8637 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8638 (RTL_HOOKS_INITIALIZER): Include it.
8639 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8640 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8641 reg_truncated_to_mode.
8642 * rtlanal.c (truncated_to_mode): Define it.
8643 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8645 2006-02-28 Jeff Law <law@redhat.com>
8647 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8648 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8649 the range allowed by TYPE_PRECISION.
8651 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8653 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8655 PR tree-optimization/26419
8656 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8659 2006-02-27 Zack Weinberg <zackw@panix.com>
8661 * doc/md.texi: Fix typo in previous change.
8663 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8667 2006-02-27 Zack Weinberg <zackw@panix.com>
8669 * rtl.def (define_constraint, define_register_constraint)
8670 (define_memory_constraint, define_address_constraint): New MD forms.
8671 * gensupport.c (process_rtx): Put define_constraint etc on the
8673 * genpreds.c (process_define_predicate): Adjust comment. Validate
8674 the name, and call validate_exp to validate the expression.
8675 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8676 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8677 all callers changed.
8678 (validate_exp, needs_variable, struct constraint_data)
8679 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8680 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8681 (const_dbl_constraints, constraint_max_namelen)
8682 (have_register_constraints, have_memory_constraints)
8683 (have_address_constraints, have_address_constraints)
8684 (have_extra_constraints, have_const_int_constraints)
8685 (have_const_dbl_constraints, mangle, add_constraint)
8686 (process_define_constraint, process_define_register_constraint)
8687 (write_enum_constraint_num, write_lookup_constraint)
8688 (write_insn_constraint_len, write_regclass_for_constraint)
8689 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8690 (write_insn_extra_memory_constraint)
8691 (write_insn_extra_address_constraint)
8692 (write_satisfies_constraint_fns): New.
8693 (write_tm_preds_h): If we have new-style constraint definitions,
8694 prototype the functions generated from them, and define the
8695 old constraint interface (still used by generic code) in terms of
8697 (write_insn_preds_c): If we have new-style constraint definitions,
8698 generate all relevant functions from those definitions.
8699 (main): Handle define_constraint etc.
8700 * genoutput.c (struct constraint_data, indep_constraints)
8701 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8702 (mdep_constraint_len): New data structures and functions, defined
8703 #ifdef USE_MD_CONSTRAINTS.
8704 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8705 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8706 use new logic to validate operand constraints against constraint
8708 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8710 * defaults.h: If none of the old-style constraint macros are
8711 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8712 old-style macros; and poison REG_CLASS_FROM_LETTER,
8713 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8715 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8716 * doc/md.texi: Document new constraint-definition mechanism and the
8717 C interface it provides. Remove references to old mechanism
8718 elsewhere in the document.
8719 (Machine Constraints): Use pathnames relative to gcc directory,
8720 i.e. config/ARCH/FILE. Change i386 section to refer to
8721 config/i386/predicates.md; update that section to match docstrings.
8722 * doc/tm.texi: Move all documentation of the old constraint-
8723 definition macros to their own section, clearly mark as obsolete.
8725 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8726 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8728 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8729 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8730 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8732 (splits and peepholes): Use satisfies_constraint_*.
8733 * config/i386/i386.c (memory_address_length)
8734 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8736 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8738 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8739 scalar operation to be put back into the loop.
8741 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8744 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8745 (extract_cie_info): Handle S flag in augmentation string.
8746 (execute_cfa_program): If context->signal_frame, execute also
8747 fs->pc == context->ra instructions.
8748 (uw_frame_state_for): If context->signal_frame, don't subtract one
8749 from context->ra to find FDE.
8750 (uw_update_context_1): Set context->signal_frame to
8752 (_Unwind_GetIPInfo): New function.
8753 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8754 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8756 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8757 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8758 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8759 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8760 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8761 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8762 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8763 x86_64_fallback_frame_state): Set fs->signal_frame.
8764 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8765 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8766 (frob_update_context): Likewise. Workaround missing S flag in
8767 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8768 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8769 Remove the psw_addr + 1 hack.
8771 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8773 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8774 with aggregates here.
8775 (find_func_aliases): Remove code for &<aggregate> from here.
8777 2006-02-26 Roger Sayle <roger@eyesopen.com>
8779 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8780 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8781 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8784 2006-02-26 Roger Sayle <roger@eyesopen.com>
8787 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8789 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8791 * opts.c (decode_options): Do not handle flag_strength_reduce.
8792 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8793 and OPT_fstrength_reduce.
8794 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8795 flag_prefetch_loop_arrays for being nonzero.
8796 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8798 (fprefetch-loop-arrays-rtl): Removed.
8799 (flag_prefetch_loop_arrays): Do not specify the value.
8801 * doc/passes.texi: Update documentation of loop optimizer
8803 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8804 -frerun-loop-opt): Remove.
8806 2006-02-26 Richard Guenther <rguenther@suse.de>
8808 PR tree-optimization/26421
8809 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8810 in function calls that are ADDR_EXPRs as using the whole structure.
8812 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8814 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8815 * tree-pass.h (pass_loop_optimize): Remove.
8816 * passes.c (pass_loop_optimize): Never run it.
8817 * toplev.c (backend_init): Don't call init_loop.
8818 * opts.c (flag_loop_optimize_set): Remove.
8819 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8820 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8821 the old RTL loop optimizer when profiling enabled.
8822 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8823 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8824 pre-headers for the sake of the old RTL loop optimizer.
8825 * Makefile.in: Remove all references to loop.o.
8827 * doc/invoke.texi: Remove all references to -floop-optimize
8828 and -frerun-loop-opt.
8830 2006-02-26 Zack Weinberg <zackw@panix.com>
8832 * doc/md.texi (Machine Constraints): Refer to all files with paths
8833 relative to gcc directory (i.e. config/CPU/file). Add missing
8834 @table @code ... @end table to M32C subsection.
8836 2006-02-26 Roger Sayle <roger@eyesopen.com>
8838 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8840 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8842 2006-02-26 Roger Sayle <roger@eyesopen.com>
8843 James A. Morrison <phython@gcc.gnu.org>
8846 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8847 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8848 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8849 signedness of the shift operation.
8851 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8853 PR tree-optimization/26359
8854 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8856 2006-02-25 Roger Sayle <roger@eyesopen.com>
8858 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8859 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8860 as X == 0, and some symmetry related transformations.
8861 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8863 2006-02-25 Roger Sayle <roger@eyesopen.com>
8866 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8867 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8868 symmetry related transformations. Fold (X^C1) == C2 as
8871 2006-02-25 Juergen Weigert <jw@suse.de>
8872 Richard Guenther <rguenther@suse.de>
8874 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8876 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8878 * combine.c (gen_lowpart_or_truncate): Call
8879 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8881 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8883 * doc/invoke.texi: Move -fopenmp description to "Options for
8885 Remove reference to -lgomp.
8887 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8889 * doc/install.texi: Require GNU tar version 1.14.
8891 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8893 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8894 * doc/invoke.texi (C++ Dialect Options): Document
8895 -fno-use-cxa-get-exception-ptr.
8896 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8897 * configure: Regenerate.
8898 * c.opt (fuse-cxa-get-exception-ptr): New.
8899 * c-opts.c (c_common_handle_option): Handle
8900 OPT_fuse_cxa_get_exception_ptr.
8901 * c-common.c (flag_use_cxa_atexit): Update documentation.
8902 (flag_use_cxa_get_exception_ptr): New.
8903 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8904 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8906 (C_COMMON_OVERRIDE_OPTIONS): New.
8908 2006-02-24 Roger Sayle <roger@eyesopen.com>
8911 * combine.c (try_combine): Explicitly check whether GET_CODE is
8912 a SET or a CLOBBER, instead on checking that it isn't a USE.
8914 2006-02-24 Roger Sayle <roger@eyesopen.com>
8916 * fold-const.c (fold_comparison): New subroutine of fold_binary
8917 containing transformations common to both the equality and
8918 ordering relational operators, factored out of fold_binary.
8919 (fold_binary): Separate out the equality operators (EQ_EXPR
8920 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8921 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8922 transformations common to both.
8923 (fold_div_compare): Fix latent bugs in the previously unreachable
8924 LT_EXPR and GE_EXPR cases.
8926 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8928 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8929 decl libname for clog to __clog on AIX.
8931 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8933 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8936 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8937 output traceback table for thunks. Localise rs6000_stack_info call.
8939 2006-02-23 Roger Sayle <roger@eyesopen.com>
8940 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8942 * gthr-posix.h (__gthrw): Fix typo in comment.
8944 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8946 * doc/cpp.texi (Character sets): Document that we do support
8947 input files to be in any character set.
8949 2006-02-23 Jeff Law <law@redhat.com>
8951 * tree.h (PHI_ARG_NONZERO): Remove.
8952 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8953 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8954 node to the new node.
8956 PR tree-optimization/26425
8957 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8958 min/max, then assume its varying.
8960 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8962 PR rtl-optimization/26316
8963 * rtlanal.c (enum may_trap_p_flags): New.
8964 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8965 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8966 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8967 (may_trap_after_code_motion_p): New function.
8968 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8969 (find_invariant_insn): Use may_trap_after_code_motion_p.
8970 * rtl.h (may_trap_after_code_motion_p): Declare.
8972 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8974 * emit-rtl.c (immed_double_const): Cleanup.
8976 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8978 Fix PR tree-optimization/26376
8979 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8982 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8985 * gimplify.c (omp_add_variable): Guard variable size decl test with
8986 DECL_SIZE (decl) check.
8988 2006-02-23 Richard Guenther <rguenther@suse.de>
8991 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8992 like aggregate types.
8994 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8996 * configure.ac: Add --with{,out}-long-double-128 configure option.
8997 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8998 * configure: Rebuilt.
8999 * config.in: Rebuilt.
9000 * doc/install.texi (Options specification): Document
9001 --with-long-double-128.
9003 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9004 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9005 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9006 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9008 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9010 * config/s390/s390.c (override_options): Handle
9011 TARGET_DEFAULT_LONG_DOUBLE_128.
9013 * config/alpha/alpha.c (override_options): Handle
9014 TARGET_DEFAULT_LONG_DOUBLE_128.
9016 * config/sparc/sparc.c (sparc_override_options): Handle
9017 TARGET_DEFAULT_LONG_DOUBLE_128.
9019 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9021 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9022 (real-install-headers-tar, real-install-headers-cpio)
9023 (real-install-headers-cp): New targets.
9025 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9027 * tree.h (variable_section): Delete.
9028 * varasm.c (variable_section): Delete.
9030 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9032 * install.texi: Add notes on install.texi2html.
9033 (Building in parallel): Do not use footnotes.
9035 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9038 * doc/install.texi (Configuration): Document --disable-libgomp.
9040 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9042 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9044 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9046 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9047 (vec_extractv2df_0_sse): New.
9049 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9051 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9052 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9053 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9054 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9055 to the result of the expression.
9056 (def_cfa_1): Adjust.
9057 (frame_pointer_cfa_offset): Rename to...
9058 (frame_pointer_fb_offset): ... this. Adjust all uses.
9059 (convert_cfa_to_loc_list): Rename to...
9060 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9061 Pass it on to build_cfa_loc.
9062 (compute_frame_pointer_to_cfa_displacement): Rename to...
9063 (compute_frame_pointer_to_fb_displacement): ... this. New
9064 offset parameter. Use it in computation.
9065 (gen_subprogram_die): Compute cfa_fb_offset with the new
9066 macro, and use it to compute the fb loc list and the
9069 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9071 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9072 replaced with register_operand.
9073 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9074 non-DREG is expensive.
9075 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9076 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9079 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9081 * doc/install.texi2html: Use set -e.
9083 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9085 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9086 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9087 * doc/invoke.texi (-fshared-data): Delete.
9088 * common.opt (fshared-data): Delete.
9089 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9090 (assemble_static_space): Remove #if 0 code.
9091 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9092 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9093 * config/cris/cris.h: Remove FIXME.
9095 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9097 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9100 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9103 * combine.c (simplify_shift_const_1): Disable nested shifts
9104 optimization for vector shifts.
9106 2006-02-20 Roger Sayle <roger@eyesopen.com>
9108 PR tree-optimization/26361
9109 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9110 of unsigned integer types.
9112 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9114 * tree-chrec.c (eq_evolutions_p): New.
9115 * tree-chrec.h (eq_evolutions_p): Declared.
9116 * tree-data-ref.c: Fix formatting.
9117 (datadep_stats, dependence_stats): New.
9119 (print_direction_vector): New.
9120 (dump_data_dependence_relation): Use print_direction_vector.
9121 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9122 (compute_subscript_distance): Static.
9123 (initialize_data_dependence_relation): Static. Get the number
9124 of loops surrounding the references from the callers, and initialize
9125 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9126 base_object_differ_p analyzers.
9127 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9128 compute_overlap_steps_for_affine_1_2,
9129 analyze_subscript_affine_affine): Count the classified dependences.
9130 Print a message when a test failed.
9131 (can_use_analyze_subscript_affine_affine): New.
9132 (analyze_siv_subscript): Compute the data dependences on symbolic
9133 scevs that verify can_use_analyze_subscript_affine_affine.
9134 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9135 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9136 Handle symbolic scevs.
9137 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9139 (subscript_dependence_tester): Moved...
9140 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9141 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9142 DDR_SIZE_VECT instead of getting it in parameter.
9143 (subscript_dependence_tester): ... here. Take as a parameter
9144 loop_nest_depth. Call build_classic_dist_vector and
9145 build_classic_dir_vector.
9146 (compute_affine_dependence): Update subscript_dependence_tester
9147 parameters. Update datadep_stats counters. Call
9148 compute_subscript_distance.
9149 (compute_self_dependence): Save the dist and dir vectors. Call
9150 compute_subscript_distance.
9151 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9152 (compute_all_dependences): Reorder parameters as they were before
9153 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9154 compute_subscript_distance. Update the use of
9155 compute_affine_dependence and initialize_data_dependence_relation.
9156 (find_data_references_in_loop): Handle COMPONENT_REF.
9157 (compute_data_dependences_for_loop): Initialize dependence_stats.
9158 Don't call build_classic_dist_vector and build_classic_dir_vector.
9159 Update the parameters of initialize_data_dependence_relation and
9160 compute_all_dependences. Print the statistics from datadep_stats.
9161 (analyze_all_data_dependences): Static. Not used until the pass for
9162 checking the data dependences is contributed.
9163 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9164 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9165 (initialize_data_dependence_relation, compute_affine_dependence,
9166 analyze_all_data_dependences, compute_subscript_distance): Removed.
9167 (print_direction_vector): New.
9168 * lambda.h (gcd): ... here.
9169 (lambda_vector_gcd): Moved here from gcd_vector.
9170 * lambda-code.c (gcd, gcd_vector): Removed.
9171 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9172 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9174 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9176 * ipa-type-escape.c: Tidy some comments and white space.
9177 * tree-ssa-operands.c: Likewise.
9179 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9182 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9183 (dump_decl_name): Do not walk the decl tree chains.
9184 * tree-pass.h (TDF_CHAIN): Remove.
9186 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9188 * Makefile.in (C): Remove
9190 (.PHONY): Remove C and PROTO
9192 2006-02-20 Roger Sayle <roger@eyesopen.com>
9195 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9196 deprecated CHAR_TYPE tree code.
9198 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9200 * configure.ac (target_list): Add install-info, dvi, html.
9201 * configure: Regenerate.
9203 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9204 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9205 treelang/Make-lang.in: Do not use double-colon rules.
9207 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9209 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9210 (TMT_USED_ALONE): New macro.
9211 * tree-pass.h (PROP_tmt_usage): New property.
9212 (TODO_update_tmt_usage): New todo.
9213 * tree-ssa-alias.c (updating_used_alone): New variable.
9214 (recalculate_used_alone): New function.
9215 (compute_may_aliases): Set updating_used_alone, call
9216 recalculate_used_alone.
9217 * tree-sra.c (pass_sra): Note that this pass destroys
9218 PROP_tmt_usage, and add TODO_update_tmt_usage.
9219 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9220 * tree-flow.h (updating_used_alone): Prototype.
9221 (recalculate_used_alone): Ditto.
9222 * passes.c (execute_todo): Add code to set updating_used_alone,
9223 and call recalculate.
9224 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9225 for clobber if used alone, and add assert to verify used_alone
9228 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9230 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9231 for non tls symbols added.
9232 (legitimize_address): Do nothing for PLUS expressions if one of the
9233 addends is a tls symbol reference.
9235 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9239 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9241 * Makefile.in (BOOTSTRAPPING): New.
9242 (quickstrap): New definition if BOOTSTRAPPING=yes.
9244 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9245 * configure.ac: Substitute all_selected_languages with the languages
9246 that were configured. For all the other variables except
9247 lang_specs_files, include all the languages in the tree.
9248 * configure: Regenerate.
9250 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9251 if there is one. Run the commands to run fixincludes in the same
9254 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9255 * doc/install.texi: Document exact conventions for searching target tools.
9256 Document --with-build-time-tools. Document toplevel bootstrap. Document
9257 something more about building an Ada cross-compiler. Don't list GNU Make
9258 requirements which affect all platforms.
9260 2006-02-19 Roger Sayle <roger@eyesopen.com>
9263 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9264 only equivalent if the have both the same mode and precision.
9266 2006-02-20 Ben Elliston <bje@au.ibm.com>
9268 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9270 2006-02-19 Roger Sayle <roger@eyesopen.com>
9271 Steven Bosscher <stevenb.gcc@gmail.com>
9273 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9274 constant pool references to identify stack mode constants.
9275 * rtlanal.c (constant_pool_constant_p): New predicate to check
9276 whether operand is a floating point constant in the pool.
9277 * rtl.h (constant_pool_constant_p): Prototype here.
9278 * loop.c (scan_loop): Avoid hoisting constants from the constant
9279 pool on STACK_REGS targets.
9280 (load_mems): Likewise.
9281 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9282 loads into x87 registers expensive in terms of register pressure.
9284 2006-02-19 Roger Sayle <roger@eyesopen.com>
9286 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9287 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9289 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9291 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9292 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9294 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9296 * doc/invoke.texi: Document -fipa-pta.
9297 * common.opt: Add ipa-pta option.
9298 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9299 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9300 (do_ds_constraint): Ditto.
9301 (get_constraint_for): Only add to referenced_vars if
9302 referenced_vars exists.
9303 (insert_into_field_list): Rewrite to do this unsorted.
9304 (insert_into_field_list_sorted): Rename old insert_into_field_list
9306 (create_function_info_for): Use insert_into_field_list_sorted.
9307 (create_variable_info_for): Rewrite so it uses unsorted version,
9308 since the field list is sorted.
9309 (intra_create_variable_infos): Only add to referenced_vars if
9310 referenced_vars exists.
9311 (ipa_pta_execute): Init heapvars, and delete when done.
9312 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9314 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9316 * doc/install.texi: Add missing `@samp'.
9318 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9320 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9323 2006-02-18 Mark Wielaard <mark@klomp.org>
9325 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9326 who added new 4.1 features, bug fixes and integration support.
9328 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9331 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9334 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9336 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9337 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9338 (copy_insn_1): Likewise. Don't copy each field individually.
9340 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9342 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9343 * rtl.c (rtx_size): Rename variable to...
9344 (rtx_code_size): ...this.
9345 (rtx_size): New function.
9346 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9347 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9349 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9350 * rtl.h (rtx_code_size): New variable.
9351 (rtx_size): Change from a variable to a function.
9352 (RTX_SIZE): Rename to...
9353 (RTX_CODE_SIZE): ...this.
9356 PR tree-optimization/17106
9357 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9358 (Anchored Addresses): New section.
9359 * doc/invoke.texi (-fsection-anchors): Document.
9360 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9361 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9362 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9363 * hooks.c (hook_bool_mode_rtx_false): New function.
9364 * hooks.h (hook_bool_mode_rtx_false): Declare.
9365 * gengtype.c (create_optional_field): New function.
9366 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9367 SYMBOL_REF_IN_BLOCK_P is true.
9368 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9369 (min_anchor_offset, max_anchor_offset): Likewise.
9370 (use_anchors_for_symbol_p): New hook.
9371 * toplev.c (compile_file): Call output_object_blocks.
9372 (target_supports_section_anchors_p): New function.
9373 (process_options): Check that -fsection-anchors is only used on
9374 targets that support it and when -funit-at-a-time is in effect.
9375 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9376 if the decl doesn't have one.
9377 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9378 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9379 of force_const_mem through use_anchored_address.
9380 (expand_expr_constant): New function.
9381 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9382 calling expand_expr for INDIRECT_REF.
9383 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9384 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9385 * expr.h (use_anchored_address): Declare.
9386 * loop-unroll.c: Don't declare rtx vectors here.
9387 * explow.c: Include output.h.
9388 (validize_mem): Call use_anchored_address.
9389 (use_anchored_address): New function.
9390 * common.opt (-fsection-anchors): New switch.
9391 * varasm.c (object_block_htab, anchor_labelno): New variables.
9392 (hash_section, object_block_entry_eq, object_block_entry_hash)
9393 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9394 (use_blocks_for_decl_p, change_symbol_section): New functions.
9395 (get_variable_section): New function, split out from assemble_variable.
9396 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9397 use_blocks_for_decl_p say so. Use change_symbol_section if the
9398 symbol has already been created.
9399 (assemble_variable_contents): New function, split out from...
9400 (assemble_variable): ...here. Don't output any code for
9401 block symbols; just pass them to place_block_symbol.
9402 Use get_variable_section and assemble_variable_contents.
9403 (get_constant_alignment, get_constant_section, get_constant_size): New
9404 functions, split from output_constant_def_contents.
9405 (build_constant_desc): Create a block symbol if use_object_blocks_p
9406 says so. Or into SYMBOL_REF_FLAGS.
9407 (assemble_constant_contents): New function, split from...
9408 (output_constant_def_contents): ...here. Don't output any code
9409 for block symbols; just pass them to place_section_symbol.
9410 Use get_constant_section and get_constant_alignment.
9411 (force_const_mem): Create a block symbol if use_object_blocks_p and
9412 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9413 (output_constant_pool_1): Add an explicit alignment argument.
9414 Don't switch sections here.
9415 (output_constant_pool): Adjust call to output_constant_pool_1.
9416 Switch sections here instead. Don't output anything for block symbols;
9417 just pass them to place_block_symbol.
9418 (init_varasm_once): Initialize object_block_htab.
9419 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9420 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9421 (place_block_symbol, get_section_anchor, output_object_block)
9422 (output_object_block_htab, output_object_blocks): New functions.
9423 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9424 (TARGET_ASM_OUT): Include it.
9425 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9426 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9427 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9428 (TARGET_INITIALIZER): Include them.
9429 * rtl.c (rtl_check_failed_block_symbol): New function.
9430 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9431 (block_symbol, object_block): New structures.
9432 (rtx_def): Add a block_symbol field to the union.
9433 (BLOCK_SYMBOL_CHECK): New macro.
9434 (rtl_check_failed_block_symbol): Declare.
9435 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9436 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9437 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9438 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9439 * output.h (output_section_symbols): Declare.
9440 (object_block): Name structure.
9441 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9442 (default_use_anchors_for_symbol_p): Declare.
9443 * Makefile.in (RTL_BASE_H): Add vec.h.
9444 (explow.o): Depend on output.h.
9445 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9446 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9447 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9448 (rs6000_use_blocks_for_constant_p): New function.
9450 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9452 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9454 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9457 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9460 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9462 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9466 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9469 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9470 instead of DECL_REGISTER.
9472 2006-02-18 Olivier Hainque <hainque@adacore.com>
9475 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9477 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9480 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9481 * opth-gen.awk: Handle Var and InverseMask together.
9482 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9483 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9484 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9485 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9487 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9488 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9489 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9490 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9491 LINUX_DYNAMIC_LINKER): Define.
9492 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9493 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9495 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9496 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9497 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9498 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9499 (TARGET_C99_FUNCTIONS): Don't define.
9500 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9501 GLIBC_DYNAMIC_LINKER.
9502 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9503 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9504 GLIBC_DYNAMIC_LINKER64): Define.
9505 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9506 LINUX_DYNAMIC_LINKER64.
9507 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9508 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9509 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9510 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9511 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9512 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9513 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9514 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9515 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9516 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9517 and LINUX_DYNAMIC_LINKER32.
9518 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9520 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9521 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9522 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9524 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9525 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9526 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9527 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9528 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9529 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9530 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9531 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9532 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9533 LINUX_DYNAMIC_LINKER): Define.
9534 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9535 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9536 GLIBC_DYNAMIC_LINKER64): Define.
9537 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9538 LINUX_DYNAMIC_LINKER64.
9539 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9540 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9541 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9542 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9543 LINUX_DYNAMIC_LINKER): Define.
9544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9545 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9546 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9547 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9548 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9549 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9550 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9551 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9552 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9553 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9554 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9555 * doc/invoke.texi (-muclibc): Remove caveat about supported
9558 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9560 * doc/cpp.texi (__TIMESTAMP__): Document.
9562 2006-02-17 Roger Sayle <roger@eyesopen.com>
9565 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9566 C is one less than the width of X (and related transformations).
9567 * simplify-rtx.c (simplify_unary_operation_1): Transform
9568 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9569 depending on STORE_FLAG_VALUE, were C is one less then the
9572 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9574 Fix PR tree-optimization/26341
9575 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9576 about NAME_MEMORY_TAG's.
9578 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9581 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9582 with hardware float support, and software float support. Add fcpy
9583 alternative to hardware patterns. Add alternatives to copy between
9584 general and floating-point registers to the 32-bit pattern.
9585 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9586 secondary reload to load a QI or HI mode constant into a floating
9588 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9589 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9591 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9594 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9596 (load_macho_picbase_di): Likewise.
9598 2006-02-16 Jeff Law <law@redhat.com>
9600 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9601 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9602 (ssa_name_nonzero_p): Likewise.
9603 (get_value_range): Return NULL if VRP is not running.
9604 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9605 VRP routines do not discover a range.
9606 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9607 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9608 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9609 (tree_expr_nonnegative_p): Similarly.
9610 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9611 (restore_nonzero_vars_to_original_value): Remove.
9612 (unsafe_associative_fp_binop): Remove.
9613 (tree_ssa_dominator_optimize): Remove initialization and
9614 finalization of nonzero_vars and nonzero_vars_stack.
9615 (dom_opt_initialize_block): No longer push marker on
9617 (dom_opt_finalize_block): No longer call
9618 restore_nonzero_vars_to_original_value.
9619 (record_equivalences_from_phis): No longer look for
9620 nonzero PHI arguments.
9621 (cprop_into_successor_phis): No longer propagate nonzero
9622 property into PHI arguments. Lose unused argument. Caller
9624 (record_equivalences_from_stmt): No longer record nonzero
9625 values for SSA_NAMEs.
9626 (lookup_avail_expr): No longer use nonzero_vars.
9628 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9629 for sizetype when sizetype is unsigned.
9631 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9633 PR rtl-optimization/25603
9634 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9635 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9636 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9637 with new meaning of SETS.
9639 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9644 * config/linux.opt: New file.
9645 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9646 LINUX_DYNAMIC_LINKER): Define.
9647 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9648 * config.gcc (*-*-linux*): Define extra_options.
9649 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9650 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9651 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9652 GLIBC_DYNAMIC_LINKER.
9653 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9654 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9655 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9656 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9657 * doc/invoke.texi (GNU/Linux Options): New section.
9659 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9661 * config/sparc/sparc.md (setjmp): Rewrite.
9662 (setjmp_32): Delete.
9663 (setjmp_64): Likewise.
9665 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9667 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9670 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9672 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9675 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9677 PR rtl-optimization/26296
9678 * Makefile.in (loop-invariant.c): Add except.h dependency.
9679 * loop-invariant.c: Include except.h.
9680 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9682 2005-02-16 Paul Brook <paul@codesourcery.com>
9684 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9687 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9689 PR rtl-optimization/25636
9690 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9691 when deciding whether an insn is an initializing insn.
9693 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9695 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9696 (tree_code_size): Ditto.
9697 * tree.h (struct tree_memory_tag): Remove parent_var.
9698 (struct tree_struct_field_tag): New.
9701 (union tree_node): Add sft member.
9702 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9704 (create_sft): Add size and offset argument, set SFT_OFFSET and
9706 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9707 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9708 * tree-flow-inline.h (get_subvar_at): Update for
9709 SFT_OFFSET/SFT_SIZE.
9710 (var_can_have_subvars): Ditto.
9711 (overlap_subvar): Ditto.
9712 * print-tree.c (print_node): Print out interesting things for
9714 * tree-flow.h (struct subvar): Remove offset and size members.
9715 * tree-ssa-operands.c (get_expr_operands): Update for
9716 get_indirect_ref_operands changes.
9717 (get_indirect_ref_operands): Call add_virtual_operand instead of
9718 add_stmt_operand. Only recurse on base var if requested.
9719 (access_can_touch_variable): New function.
9720 (add_stmt_operand): Split virtual operand handling into ...
9721 (add_virtual_operand): Here. Add offset, size, and for_clobber
9722 arguments. Prune alias sets.
9723 (add_call_clobber_ops): Call add_virtual_operand.
9725 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9728 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9730 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9731 than TREE_CODE as index into omp_clause_num_ops array.
9733 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9735 PR rtl-optimization/26184
9736 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9738 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9739 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9740 must_precede, must_follow and tobe_scheduled.
9743 * opts.c (common_handle_option): Free new_option pointer.
9744 * df-core.c (df_analyze): Free postorder pointer.
9746 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9748 * Makefile.in: Fix the examples about the use of stamps
9750 2006-02-15 Michael Matz <matz@suse.de>
9754 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9755 influenced by maximum_field_alignment or DECL_PACKED.
9756 (update_alignment_for_field): Ditto.
9757 (place_field): Ditto.
9758 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9761 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9763 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9764 (debug_flow_info): Pass it.
9765 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9766 * bb-reorder.c (reorder_basic_blocks): Likewise.
9767 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9768 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9769 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9770 * gcse.c (gcse_main, bypass_jumps): Likewise.
9771 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9772 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9773 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9774 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9775 * rtl.h (dump_flow_info): Adjust prototype.
9776 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9777 * var-tracking.c (variable_tracking_main): Likewise.
9778 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9779 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9782 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9784 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9787 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9789 PR tree-optimization/26209
9790 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9791 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9793 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9795 2006-02-14 Roger Sayle <roger@eyesopen.com>
9798 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9799 (X,Y) and the corresponding symmetry related transformations.
9800 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9801 (X,Y) and its symmetry related transformations.
9803 2006-02-14 Roger Sayle <roger@eyesopen.com>
9805 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9808 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9810 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9812 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9815 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9816 support COMDAT group.
9817 * configure: Regenerate.
9819 2006-02-14 Roger Sayle <roger@eyesopen.com>
9824 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9826 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9828 Fix PR tree-optimization/26260
9830 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9832 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9833 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9834 * tree-ssa-structalias.c (create_variable_info_for): Use
9835 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9837 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9839 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9841 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9842 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9843 of the ending condition.
9844 * tree-ssa-loop-manip.c: Include params.h.
9845 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9846 tree_unroll_loop): New functions.
9847 * tree-pass.h (pass_loop_prefetch): Declare.
9848 * loop.c (rest_of_handle_loop_optimize): Test for
9849 -fprefetch-loop-arrays-rtl.
9850 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9851 * timevar.def (TV_TREE_PREFETCH): New timevar.
9852 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9853 pass_loop_prefetch): New.
9854 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9855 (cleanup_tree_cfg_loop): Call scev_reset.
9856 * common.opt (fprefetch-loop-arrays-rtl): Add.
9857 * tree-ssa-loop-prefetch.c: New file.
9858 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9859 (new_temp_expr_table): Initialize expr_vars.
9860 (free_temp_expr_table): Cleanup expr_vars.
9861 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9862 expressions from being merged into one.
9863 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9864 (struct tree_niter_desc): Add control, bound and cmp fields.
9865 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9867 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9868 (tree-cfgcleanup.o): Add SCEV_H dependency.
9869 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9870 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9872 2006-02-14 Richard Guenther <rguenther@suse.de>
9874 PR tree-optimization/26258
9875 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9876 in PHI argument processing.
9878 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9880 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9881 new expression in the requested machine mode.
9883 2006-02-13 Roger Sayle <roger@eyesopen.com>
9885 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9886 directly, instead let do_compare_rtx_and_jump handle this for us.
9887 * expr.c (expand_expr_real_1): Likewise.
9888 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9889 before do_jump_by_parts_greater.
9890 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9891 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9893 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9895 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9897 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9899 PR rtl-optimization/26235
9900 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9901 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9904 2006-02-13 Jeff Law <law@redhat.com>
9906 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9909 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9912 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9913 twice if decl is a builtin. When trying again, call get_callee_fndecl
9914 first to verify it is still a builtin.
9916 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9918 * dwarf2out.c (base_type_die): Don't add AT_name here.
9919 (subrange_type_die): Don't add AT_name here.
9920 (modified_type_die): Rearrange code flow. Do add AT_name here.
9922 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9924 PR rtl-optimization/26247
9925 PR rtl-optimization/26248
9926 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9928 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9930 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9931 * config/fixtfdi.c: Likewise.
9932 * config/fixunstfdi.c: Likewise.
9933 * config/floatditf.c: Likewise.
9935 2006-02-13 Roger Sayle <roger@eyesopen.com>
9938 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9939 into (X,C2) if C1 is a subset of the bits of C2. Transform
9940 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9942 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9944 2006-02-13 Josh Conner <jconner@apple.com>
9947 * varasm.c (function_section): Check for section name before
9948 calling select_section on targets that define
9949 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9950 unlikely_text_section instead of hot_function_section if
9951 first_function_block_is_cold.
9953 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9956 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9958 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9960 PR rtl-optimization/26222
9961 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9962 after tree->rtl expansion.
9963 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9964 before passing it to emit_move_insn.
9966 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9968 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9970 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9971 Clarify documentation.
9972 * c-common.h (warn_write_strings): Remove.
9973 * c-common.c (warn_write_strings): Likewise.
9974 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9977 2006-02-12 Roger Sayle <roger@eyesopen.com>
9980 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9981 (do_jump_parts_zero_rtx): New function renamed from
9982 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9983 (do_jump_parts_equality_rtx): New function split out from
9984 do_jump_parts_equality. Old implementation renamed as above.
9985 Call do_jump_parts_zero_rtx if either operand is zero.
9986 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9987 do all of the heavy lifting.
9988 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9989 calling either do_jump_by_parts_greater_rtx or
9990 do_jump_by_parts_equality_rtx.
9991 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9992 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9993 moved to do_compare_rtx_and_jump, call it directly.
9994 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9995 mode argument. Call do_compare_rtx_and_jump.
9996 (emit_case_nodes): Update calls to do_jump_if_equal.
9998 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10000 PR rtl-optimization/26225
10001 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10003 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10005 PR rtl-optimization/26232
10006 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10008 2006-02-11 Jason Merrill <jason@redhat.com>
10011 * tree-inline.c (declare_return_variable): Just don't use the
10012 modify target if it's a gimple complex reg and the return slot
10015 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10017 * doc/contrib.texi: Update my entry.
10019 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10021 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10023 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10025 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10028 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10030 * doc/invoke.texi (-floop-optimize2): Removed.
10031 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10032 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10033 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10034 * common.opt (floop-optimize2): Removed.
10035 (fmove-loop-invariants): Enabled by default.
10037 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10039 * tree-if-conv.c (combine_blocks): Free the result of
10040 get_loop_exit_edges.
10042 2006-02-10 Jeff Law <law@redhat.com>
10044 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10046 PR tree-optimization/26213
10047 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10048 loop trying to follow SSA_NAME_VALUE chains.
10050 2006-02-10 Richard Guenther <rguenther@suse.de>
10052 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10053 deal with structures that end in implicitly variable sized arrays.
10055 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10057 PR rtl-optimization/24762
10058 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10061 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10063 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10064 (struct ivopts_data): Add regs_used field.
10065 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10066 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10067 instead of loop_data->regs_used;
10068 (free_loop_data): Do not free aux fields for loops.
10069 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10070 and tree_ssa_iv_optimize_finalize.
10072 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10074 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10076 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10079 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10080 computing the effective result type.
10082 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10084 PR inline-asm/16194
10085 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10086 (tree_overlaps_hard_reg_set): Declare.
10087 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10088 type and signature to match function type expected by walk_tree.
10089 (tree_overlaps_hard_reg_set): New function.
10090 (decl_conflicts_with_clobbers_p): Rename to:
10091 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10092 Use tree_overlaps_hard_reg_set. Changed caller.
10093 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10094 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10095 * cris.c (cris_md_asm_clobbers): Likewise.
10097 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10099 * reload1.c (emit_input_reload_insns): Delete code that tries to
10100 inherit using find_equiv_reg.
10102 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10104 * c-common.h (flag_const_strings): Don't declare.
10105 * c-common.c (flag_const_strings): Remove.
10106 * c.opt (fconst_strings): Remove.
10107 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10108 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10109 (c_common_init_options): Don't set flag_const_strings.
10110 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10112 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10114 * arm.md (tlobits_cbranch): New pattern.
10115 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10116 testing a single bit.
10118 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10121 * tree-ssa-pre.c (create_component_ref_by_pieces):
10122 Handle RETURN_DECL like VAR_DECL.
10124 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10126 PR middle-end/26134
10127 * fold-const.c (fold_indirect_ref_1): Fold
10128 "*(foo *)&complexfoo" to "__real__ complexfoo"
10129 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10131 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10133 * tree-flow-inline.h (var_can_have_subvars):
10134 Volatile variables should not have subvariables.
10136 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10139 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10140 multiplying unsigned values.
10143 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10145 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10147 2006-02-08 Jason Merrill <jason@redhat.com>
10150 * tree.def: Elaborate on difference from MODIFY_EXPR.
10151 * doc/c-tree.texi (INIT_EXPR): Likewise.
10152 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10153 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10154 (gimplify_target_expr): Likewise.
10155 (gimplify_cond_expr): Remove target handling.
10156 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10157 (gimplify_expr): Clobber it here.
10158 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10159 Do return slot optimization if we have an INIT_EXPR.
10162 * tree-inline.c (declare_return_variable): Also clear
10163 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10166 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10168 PR middle-end/22439
10169 * gimplify.c (gimplify_one_sizepos): Fix typo.
10171 2006-02-08 Jeff Law <law@redhat.com>
10173 PR tree-optimization/21417
10174 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10175 across a backedge if the control statement at the end of the
10176 block is data dependent on other statements in the same block.
10177 (record_temporary_equivalences_from_stmts): Remove over-conservative
10178 test for threading across backedges.
10180 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10181 control statement, handle all three special cases in the same
10182 manner as they all have the same desired solution. No longer
10183 special case edge flag updating when the post dominator is
10186 2006-02-08 Roger Sayle <roger@eyesopen.com>
10188 * tree.def (CHAR_TYPE): Remove.
10189 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10190 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10191 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10192 (gen_string_type_die): Delete unreachable function.
10194 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10195 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10196 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10197 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10198 * builtins.c (type_to_class): Likewise.
10199 * fold-const.c (fold_convert, build_range_check,
10200 merge_ranges): Likewise.
10201 * expr.c (count_type_elements): Likewise.
10202 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10203 * stor-layout.c (layout_type): Likewise.
10204 * ipa-type-escape.c (type_to_consider): Likewise.
10205 * gimplify.c (omp_firstprivatize_type_sizes,
10206 gimplify_type_sizes): Likewise.
10207 * explow.c (promote_mode): Likewise.
10208 * tree-sra.c (is_sra_scalar_type): Likewise.
10209 * varasm.c (output_constant): Likewise.
10210 * tree-inline.c (remap_type_1): Likewise.
10211 * convert.c (convert_to_pointer, convert_to_real,
10212 convert_to_integer, convert_to_complex): Likewise.
10214 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10216 * df-scan.c (df_def_record_1): A set destination may
10217 be a parallel regardless of mode.
10219 2006-02-08 Roger Sayle <roger@eyesopen.com>
10222 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10223 * config/mips/_tilib.c: Remove.
10224 * config/fixtfdi.c: New libgcc source file.
10225 * config/fixunstfdi.c: New source file.
10226 * config/floatditf.c: New source file.
10227 * config/floatunditf.c: New souce file.
10228 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10229 files above instead of config/mips/_tilib.c.
10230 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10232 2006-02-08 Jeff Law <law@redhat.com>
10234 PR tree-optimization/26169
10235 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10238 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10240 * df.h (DF_REG_SIZE): Return the length of the initialized
10243 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10245 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10246 __muldf3): Return a correctly signed zero.
10248 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10250 * passes.c (register_one_dump_file): Accept the current properties
10251 instead of pass number. Adjust call to dump_register. Remove
10253 (register_dump_files): Now a wrapper around...
10254 (register_dump_files_1): ... this one. Do not modify the pass
10256 (next_pass_1): Cosmetic fix.
10257 (execute_todo): Keep second parameter only. Use curr_properties
10258 instead of fetching it from the pass structure. Check and set
10260 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10261 instead of fetching it from the pass structure. Fix calls to
10262 execute_todo. Update curr_properties and initialize .vcg RTL dump
10263 after running the pass. Reset last_verified.
10264 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10266 (FIRST_AUTO_NUMBERED_DUMP): New.
10267 (dump_register): Remove "num" parameter, assign it within the
10269 (get_dump_file_name): Modify template for dumps.
10270 * tree-dump.h (dump_register): Adjust prototype.
10271 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10272 (PROP_trees): Add PROP_gimple_lomp.
10273 (TODO_set_props): New.
10274 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10275 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10276 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10278 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10280 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10281 (sparc64-*-linux*): Likewise.
10282 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10283 * config/sparc/t-linux: New file.
10284 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10285 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10286 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10287 -m32 -mlong-double-128.
10289 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10290 * config/alpha/t-linux: New file.
10291 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10293 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10294 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10295 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10296 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10297 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10298 (CPP_ARCH32_SPEC): Remove.
10300 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10302 PR tree-optimization/26145
10303 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10306 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10309 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10310 >= 240000 when generating code for SOM runtime.
10311 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10312 to $$dyncall when generating code for SOM runtime..
10314 2006-02-07 Dirk Mueller <dmueller@suse.com>
10317 * doc/invoke.texi (-Wsequence-point): Update documentation
10318 that -Wsequence-point is implemented for C++ as well.
10320 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10322 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10323 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10324 (LIB_SPEC): Likewise.
10325 * doc/invoke.texi (SPARC options): Document -pthread.
10327 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10329 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10332 2006-02-07 Roger Sayle <roger@eyesopen.com>
10334 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10335 Correct comment describing BOOLEAN_TYPE.
10337 2006-02-07 Dirk Mueller <dmueller@suse.com>
10339 * c.opt: C++ frontend supports -Wdiv-by-zero.
10340 * c-opts.c (c_common_handle_option): Remove dead case.
10342 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10344 * configure.ac (TLS assembler check): Do not enable TLS by
10345 default on SPARC/Solaris before version 10.
10346 * configure: Regenerate.
10348 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10350 * doc/invoke.texi (xl-compat): Document conversion and support
10353 2006-02-07 Jeff Law <law@redhat.com>
10355 * tree-vrp.c (find_conditional_asserts): Update comments.
10356 (simplify_stmt_for_jump_threading): New.
10357 (identify_jump_threads, finalize_jump_threads): New.
10358 (vrp_finalize): Call identify_jump_threads.
10359 (execute_vrp): Call finalize_jump_threads.
10360 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10361 (vrp_element, vrp_data, vrp_element_p): Remove.
10362 (vrp_hash_elt, vrp_variables_stack): Remove.
10363 (vrp_hash, vrp_eq, record_range): Remove.
10364 (simplify_cond_and_lookup_avail_expr): Remove.
10365 (extract_range_from_cond): Remove.
10366 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10367 (simplify_stmt_for_jump_threading): New.
10368 (dom_thread_across_edge): New wrapper.
10369 (tree_ssa_dominator_optimize): No longer initialize or
10370 finalize any of the VRP datastructures. Remove iteration
10371 step and simplify as a result of removal of iteration step.
10372 (pass_dominator): Perform a cfg cleanup after DOM.
10373 (dom_opt_finalize_block): Use the new common routines
10374 for threading jumps. Simplify stack management slightly.
10375 No longer need to unwind VRP state.
10376 (record_equivalences_from_incoming_edge): No longer record
10378 (eliminate_redundant_computations): No longer call
10379 simplify_cond_and_lookup_avail_expr.
10380 * tree-flow.h (potentially_threadable_block): Prototype.
10381 (thread_across_edge): Likewise.
10382 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10383 (tree-ssa-threadedge.o): Add dependencies.
10384 * tree-ssa-threadedge.c: New file.
10385 * passes.c (init_optimization_passes): Merge PHIs before
10386 calling VRP. Run VRP again late in the SSA optimization pipeline.
10388 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10390 * df-core.c (df_set_blocks): Do not dereference function pointers.
10391 (df_finish1): Likewise.
10392 (df_hybrid_search_forward): Likewise.
10393 (df_hybrid_search_backward): Likewise.
10394 (df_iterative_dataflow): Likewise.
10395 (df_analyze_problem): Likewise.
10396 (df_compact_blocks): Likewise.
10397 (df_dump): Likewise.
10398 * df-scan.c (df_rescan_blocks): Likewise.
10399 (df_record_entry_block_defs): Likewise.
10401 * genconditions.c (write_conditions): Guard the definition of
10402 'insn_conditions' with the check on GCC version.
10403 (write_writer): Guard the traversal 'insn_conditions' with
10404 the check on GCC version.
10406 2006-02-07 Richard Guenther <rguenther@suse.de>
10410 2006-01-30 Richard Guenther <rguenther@suse.de>
10412 * gimplify.c (gimplify_target_expr): Handle easy cases
10413 without creating a temporary.
10415 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10417 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10418 use of float in probability computations. Use edge probabilities
10419 in place of statically computed probabilities.
10420 (min_spec_prob): New static variable.
10421 (schedule_insns): Initialize it.
10422 (GET_SRC_PROB): Removed.
10423 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10425 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10428 * config/ia64/unwind-ia64.c: Revert last change.
10429 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10430 (INCOMING_FRAME_SP_OFFSET): Define.
10432 2006-02-06 Roger Sayle <roger@eyesopen.com>
10434 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10436 2006-02-07 Ben Elliston <bje@au.ibm.com>
10438 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10439 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10440 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10441 (ix86_return_in_memory): Handle TDmode.
10442 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10443 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10445 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10447 * reorg.c (dbr_schedule): Use dump_file instead of file.
10449 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10452 * config/ia64/predicates.md (extr_len_operand): New predicate.
10453 * config/ia64/ia64.md (extv): Tighten constraints.
10455 (*tbit_and_2): Ditto.
10456 (*tbit_and_3): Ditto.
10457 (*tbit_or_2): Ditto.
10458 (*tbit_or_3): Ditto.
10459 (*bit_zero): Ditto.
10462 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10465 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10467 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10469 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10470 loop_optimizer_init and loop_optimizer_finalize
10471 * tree-ssa-sink.c (execute_sink_code): Ditto.
10472 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10473 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10474 tree_ssa_loop_done): Ditto.
10475 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10476 * sched-ebb.c: Include output.h.
10477 (schedule_ebbs): Do not use dump argument.
10478 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10479 * loop.c (loop_dump_stream): Removed.
10480 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10482 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10483 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10484 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10485 loop_iterations, strength_reduce, record_biv, record_giv,
10486 final_giv_value, check_final_value, check_ext_dependent_givs,
10487 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10488 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10489 dump_file instead of loop_dump_stream.
10490 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10491 argument dump_file.
10492 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10494 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10495 * haifa-sched.c: Include output.h
10496 (schedule_insns, sched_init): Do not use dump argument.
10497 * mode-switching.c (optimize_mode_switching): Ditto.
10498 * modulo-sched.c (stats_file): Removed.
10499 (print_node_sched_params): Do not call argument dump_file.
10500 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10501 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10503 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10505 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10506 rtl_loop_init, rtl_loop_done): Ditto.
10507 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10508 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10510 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10511 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10512 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10513 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10514 * emit-rtl.c (renumber_insns): Ditto.
10515 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10516 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10517 * regclass.c (regclass): Ditto.
10518 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10519 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10520 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10521 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10523 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10524 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10526 * gcse.c (gcse_file, debug_stderr): Removed.
10527 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10528 rest_of_handle_gcse): Do not use dump argument.
10529 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10530 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10531 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10532 compute_code_hoist_vbeinout, compute_code_hoist_data,
10533 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10534 compute_store_table, build_store_vectors, insert_insn_start_bb,
10535 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10536 store_motion): Use dump_file instead of gcse_file.
10537 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10538 * profile.c (profile_dump_file): Removed.
10539 (branch_prob): Use dump_file instead of profile_dump_file.
10540 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10542 * tree-ssa-copy.c (dump_copy_of): Ditto.
10543 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10544 dump file to life_analysis.
10545 * bt-load.c (branch_target_load_optimize): Ditto.
10546 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10548 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10549 regclass, dbr_schedule): Declaration changed.
10550 * sched-int.h (sched_init): Declaration changed.
10551 * tree-profile.c (tree_profile_dump_file): Removed.
10552 (tree_profile_hooks): Removed profile_dump_file hook.
10553 * rtl-profile (rtl_profile_dump_file): Removed.
10554 (rtl_profile_hooks): emoved profile_dump_file hook.
10555 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10557 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10558 * tree-cfg.c (build_tree_cfg): Ditto.
10559 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10560 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10561 Declaration changed.
10562 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10563 life_analysis and schedule_insns.
10564 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10566 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10568 * config/mips/mips.c (mips_reorg): Ditto.
10569 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10572 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10574 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10575 (s390_mangle_fundamental_type): New.
10576 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10579 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10580 (alpha_mangle_fundamental_type): New.
10581 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10584 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10586 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10588 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10589 (sparc_mangle_fundamental_type): New.
10591 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10593 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10594 (s390x-*-linux*): Likewise.
10595 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10596 * config/s390/t-linux: New file.
10598 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10600 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10601 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10603 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10605 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10606 (ANTIC_SAFE_LOADS): New macro.
10607 (find_or_generate_expression): Add prototype.
10608 (set_contains_value): Allow null set for sake of not always having
10609 to allocate ANTIC_SAFE_LOADS.
10610 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10611 Allow COMPONENT_REF too.
10612 (valid_in_set): Allow COMPONENT_REF.
10613 Check ANTIC_SAFE_LOADS too.
10614 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10615 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10617 (can_PRE_operation): Add COMPONENT_REF.
10618 (create_component_ref_by_pieces): New function.
10619 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10620 (insert_aux): Move AGGREGATE_TYPE_P check here.
10621 (compute_avail): Set bb local stmt uids.
10622 (pass_pre): Use TODO_update_ssa_only_virtuals.
10624 2006-02-06 Ben Elliston <bje@au.ibm.com>
10626 * configure.ac: Unconditionally disable decimal float by default.
10627 * configure: Regenerate.
10629 2006-02-06 Ben Elliston <bje@au.ibm.com>
10631 * read-rtl.c (read_name): Terminate reading on EOF.
10633 2006-02-06 Ben Elliston <bje@au.ibm.com>
10635 * dfp.c (decimal_real_arithmetic): Change second argument type
10636 from int to enum tree_code. Do not always return true, but now
10637 return result of any call to decimal_do helper functions.
10638 * dfp.h (decimal_real_arithmetic): Update prototype.
10640 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10642 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10644 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10647 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10650 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10652 * tree-vrp.c (cfg_loops): Removed.
10653 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10654 Use current_loops instead of cfg_loops. Pass flags to
10655 loop_optimizer_init.
10656 * cfgloopmanip.c (fix_loop_structure): Update only available
10658 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10659 loop_optimizer_init.
10660 * modulo-sched.c (build_loops_structure): Removed.
10661 (sms_schedule): Use loop_optimizer_init.
10662 * loop-init.c (loop_optimizer_init): Use flags to determine
10663 which properties of loops to prepare.
10664 (rtl_loop_init): Pass flags to loop_optimizer_init.
10665 * tree-ssa-sink.c (execute_sink_code): Ditto.
10666 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10667 * tree-ssa-pre.c (init_pre): Ditto.
10668 * cfgloop.h (LOOPS_NORMAL): New.
10669 (loop_optimizer_init): Declaration changed.
10671 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10673 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10674 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10676 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10678 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10680 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10681 * pa/t-pa64: Delete quadlib.c rule.
10682 * pa/x-ada: Revert last change.
10683 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10685 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10687 PR rtl-optimization/26087
10688 * rtlanal.c (canonicalize_condition): Do not cross basic block
10691 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10694 * config/ia64/ia64.c: Include debug.h.
10695 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10696 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10697 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10698 (process_epilogue, process_set, process_for_unwind_directive):
10699 Output unwind info only if requested. Add CFA info if requested.
10700 Add new arguments as needed. Adjust callers.
10701 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10703 (DWARF2_FRAME_INFO): Define to zero.
10704 * config/ia64/unwind-ia64.c: Remove code that compensated for
10705 the CFA offset error fixed above.
10706 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10707 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10708 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10709 -funwind-tables and -fexceptions to enable frame info.
10710 (dwarf2out_frame_init): Define initial CFA even if
10711 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10712 DWARF2_UNWIND_INFO is nonzero, not just defined.
10713 (dwarf2out_frame_finish): Output non-EH call frame info only
10714 if DWARF2_FRAME_INFO is nonzero.
10715 (convert_cfa_to_loc_list,
10716 compute_frame_pointer_to_cfa_displacement): Define even if
10717 unwind info is not supported.
10718 (gen_subprogram_die): Use the above unconditionally. Remove
10719 legacy alternate code.
10720 * toplev.c (compile_file): Compile in call to
10721 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10722 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10724 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10725 Jakub Jelinek <jakub@redhat.com>
10727 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10728 IBM extended float format long double as "g" on powerpc*-linux.
10730 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10733 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10734 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10736 2006-02-03 Jason Merrill <jason@redhat.com>
10739 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10741 PR middle-end/25977
10742 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10743 on the return slot if it's an NRV.
10745 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10747 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10748 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10749 rewrite_use): Do not handle USE_OUTER.
10750 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10751 add_iv_outer_candidates, may_replace_final_value,
10752 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10753 (find_interesting_uses_op): Functionality of
10754 find_interesting_uses_outer_or_nonlin moved here.
10755 (find_interesting_uses_outside): Use find_interesting_uses_op.
10757 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10760 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10762 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10763 Ulrich Weigand <uweigand@de.ibm.com>
10766 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10767 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10768 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10769 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10771 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10772 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10773 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10774 Define secondary reloads for TFmode moves.
10775 (constant_modes): Add TFmode.
10776 (NR_C_MODES): Set to 8.
10777 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10779 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10780 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10781 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10782 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10783 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10784 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10785 (FPR mode macro): Add TFmode.
10786 (DSF mode macro): New.
10787 (<de>, <dee> mode attributes): Removed.
10788 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10789 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10790 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10791 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10792 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10793 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10794 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10795 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10796 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10797 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10798 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10799 "*negabs<mode>2", "sqrt<mode>2"):
10800 Changed <de> to <xde>. R constraint replaced by <Rf>.
10801 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10803 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10804 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10805 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10807 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10808 "extenddftf2", "extendsftf2"): New expanders.
10809 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10810 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10811 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10812 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10814 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10815 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10816 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10817 __floatditf): Add a GCC_4.1.0 symbol version tag.
10818 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10821 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10824 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10825 Use targetm.binds_local_p instead of TREE_PUBLIC.
10827 2006-02-02 Roger Sayle <roger@eyesopen.com>
10829 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10830 on INTEGER_TYPEs to indicate that it denotes a character type.
10831 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10832 signed_char_type_node, unsigned_char_type_node and char_type_node.
10833 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10834 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10835 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10837 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10838 Daniel Berlin <dberlin@dberlin.org>
10840 * tree-tailcall.c (arg_needs_copy_p): New function.
10841 (eliminate_tail_call): Use arg_needs_copy_p.
10842 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10843 (add_virtual_phis): New function.
10845 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10847 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10848 #ignore instead of #scratch for %g7 .register directive.
10850 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10852 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10855 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10857 * flow.c (calculate_global_regs_live): Assert that there aren't any
10860 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10862 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10863 what its name says.
10864 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10865 bsi_after_labels iterator.
10866 * tree-if-conv.c (find_phi_replacement_condition,
10867 replace_phi_with_cond_modify_expr): Likewise.
10868 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10869 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10871 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10873 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10875 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10878 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10879 array after growing it.
10881 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10883 PR middle-end/24901
10884 * fold-const.c (fold_checksum_tree): Change type of buf.
10886 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10888 * reload.c (push_secondary_reload): Initialize t_icode.
10890 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10892 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10893 -msoft-float -mlong-double-128 only issue a warning, but don't
10894 swich to DFmode long double.
10896 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10898 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10899 has a constant equivalent, iterate over equivalents for arg0,
10900 calling simplify_relational_operation and if there's a result
10901 cheaper than X, apply fold_rtx and return the result.
10903 2006-02-01 Jan Hubicka <jh@suse.cz>
10905 * opts.c (no_unit_at_a_time_default): New global variable.
10906 (decode_options): Use it.
10907 * opts.h (no_unit_at_a_time_default): Declare.
10909 2006-02-01 Paul Brook <paul@codesourcery.com>
10911 * function.c (assign_parm_setup_reg): Use function argument promotion
10913 * expr.c (expand_expr_real_1): Use function argument promotion rules
10916 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10918 * gcc.c (process_command): Change j to 'unsigned int'.
10920 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10922 PR middle-end/26001
10923 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10924 Use the corrected index for the character
10925 out of the string constant.
10927 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10929 * mode-switching.c (optimize_mode_switching): Fix size
10930 allocated for bb_info[n_entities].
10932 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10934 * gcc.c (main): Correct type that is allocated for
10935 explicit_link_files.
10937 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10939 * config/s390/s390.c (init_alignment_context): Set
10940 ALIAS_SET_MEMORY_BARRIER on the MEM.
10941 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10943 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10945 PR middle-end/25933
10946 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10948 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10951 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10953 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10954 * regrename.c: Ditto.
10955 * tree-ssa-loop-im.c: Ditto.
10956 * tree-dump.c: Ditto.
10957 * tree-complex.c: Ditto.
10958 * genrecog.c: Ditto.
10959 * tree-ssa-threadupdate.c: Ditto.
10961 * java/class.c: Ditto.
10962 * java/jcf-parse.c: Ditto.
10963 * java/resource.c: Ditto.
10964 * java/except.c: Ditto.
10965 * java/jvspec.c: Ditto.
10966 * java/jcf-write.c: Ditto.
10967 * java/jcf-path.c: Ditto.
10968 * java/gjavah.c: Ditto.
10969 * java/zextract.c: Ditto.
10970 * java/jcf-io.c: Ditto.
10971 * java/jcf.h: Ditto.
10972 * java/buffer.c: Ditto.
10973 * java/lang.c: Ditto.
10974 * java/parse-scan.y: Ditto.
10975 * java/lex.c: Ditto.
10976 * java/lex.h: Ditto.
10977 * cfgloopmanip.c: Ditto.
10978 * postreload-gcse.c: Ditto.
10979 * tree-ssa-loop-manip.c: Ditto.
10980 * postreload.c: Ditto.
10981 * tree-ssa-loop-ch.c: Ditto.
10984 * cppspec.c: Ditto.
10985 * diagnostic.c: Ditto.
10987 * genoutput.c: Ditto.
10989 * cfghooks.c: Ditto.
10990 * cfgloopanal.c: Ditto.
10991 * objc/objc-act.c: Ditto.
10993 * genextract.c: Ditto.
10994 * genautomata.c: Ditto.
10995 * pretty-print.c: Ditto.
10996 * genemit.c: Ditto.
10997 * cgraphunit.c: Ditto.
10999 * df-scan.c: Ditto.
11000 * haifa-sched.c: Ditto.
11001 * dominance.c: Ditto.
11003 * tree-ssa-loop-ivopts.c: Ditto.
11004 * df-core.c: Ditto.
11005 * mode-switching.c: Ditto.
11006 * modulo-sched.c: Ditto.
11008 * ipa-pure-const.c: Ditto.
11010 * fix-header.c: Ditto.
11012 * tree-stdarg.c: Ditto.
11013 * ipa-utils.c: Ditto.
11014 * loop-init.c: Ditto.
11015 * ipa-inline.c: Ditto.
11016 * cfganal.c: Ditto.
11018 * alloc-pool.c: Ditto.
11019 * dwarf2out.c: Ditto.
11021 * genattrtab.c: Ditto.
11022 * tree-ssa-loop-ivcanon.c: Ditto.
11023 * predict.c: Ditto.
11024 * timevar.c: Ditto.
11026 * fortran/gfortranspec.c: Ditto.
11027 * regmove.c: Ditto.
11028 * local-alloc.c: Ditto.
11029 * langhooks.c: Ditto.
11030 * function.c: Ditto.
11031 * tree-vectorizer.c: Ditto.
11033 * ipa-type-escape.c: Ditto.
11035 * tree-if-conv.c: Ditto.
11036 * profile.c: Ditto.
11038 * tree-data-ref.c: Ditto.
11039 * loop-unroll.c: Ditto.
11040 * treelang/treetree.c: Ditto.
11042 * bt-load.c: Ditto.
11043 * ggc-common.c: Ditto.
11045 * coverage.c: Ditto.
11047 * tree-cfgcleanup.c: Ditto.
11048 * tree-ssa-pre.c: Ditto.
11049 * cfgcleanup.c: Ditto.
11050 * loop-invariant.c: Ditto.
11051 * loop-iv.c: Ditto.
11052 * ipa-prop.c: Ditto.
11053 * print-tree.c: Ditto.
11054 * conflict.c: Ditto.
11055 * ggc-page.c: Ditto.
11056 * sched-deps.c: Ditto.
11057 * regclass.c: Ditto.
11058 * tree-object-size.c: Ditto.
11059 * combine.c: Ditto.
11060 * bb-reorder.c: Ditto.
11061 * resource.c: Ditto.
11062 * var-tracking.c: Ditto.
11063 * cfgloop.c: Ditto.
11064 * df-problems.c: Ditto.
11065 * reg-stack.c: Ditto.
11067 * gccspec.c: Ditto.
11068 * sched-rgn.c: Ditto.
11069 * tree-ssa-structalias.c: Ditto.
11070 * tree-ssa-reassoc.c: Ditto.
11071 * config/darwin-c.c: Ditto.
11072 * config/darwin.c: Ditto.
11073 * config/arm/arm.c: Ditto.
11075 * collect2.c: Ditto.
11076 * reload1.c: Ditto.
11078 2006-01-31 Nicolas Pitre <nico@cam.org>
11080 * arm.md (smaxsi3): Make aware of smax_m1.
11083 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11085 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11087 2006-01-31 Richard Guenther <rguenther@suse.de>
11089 * doc/invoke.texi (-msselibm): Document.
11090 * target.h (expand_library_builtin): New target hook.
11091 * builtins.c (expand_builtin): Use expand_library_builtin.
11092 (default_expand_library_builtin): New function.
11093 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11094 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11095 (link_gcc_math_spec): Declare.
11096 (static_specs): Add link_gcc_math_spec.
11097 * expr.h (default_expand_library_builtin): Declare.
11098 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11099 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11100 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11101 * config/i386/i386.opt (msselibm): New target option.
11102 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11103 (ix86_init_sse_abi_builtins): New function.
11104 (ix86_expand_library_builtin): Likewise.
11105 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11106 (override_options): Handle error conditions wrt -msselibm.
11107 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11108 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11109 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11112 2006-01-31 Richard Guenther <rguenther@suse.de>
11113 Paolo Bonzini <bonzini@gnu.org>
11115 * doc/install.texi (--disable-libgcc-math): Document.
11117 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11119 * expr.h (expand_normal): new inline function.
11120 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11121 * dojump.c: use it.
11122 * dwarf2out.c: use it.
11125 * expmed.c: use it.
11126 * except.c: use it.
11127 * config/sparc/sparc.c: use it.
11128 * config/i386/i386.c: use it.
11129 * config/rs6000/rs6000.c: use it.
11130 * config/arm/arm.c: use it.
11131 * config/mips/mips.c: use it.
11132 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11134 2006-01-30 Roger Sayle <roger@eyesopen.com>
11136 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11137 argv to the appropriate type.
11139 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11141 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11144 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11147 * config/s390/s390.c (struct machine_function): New flag
11148 decomposed_literal_pool_addresses_ok_p.
11149 (s390_reorg): Set it before final stage of literal pool transforms.
11150 (s390_decompose_address): Only accept displacements of the form
11151 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11153 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11155 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11156 the comparison routine return.
11158 2006-01-30 Michael Matz <matz@suse.de>
11160 * global.c (find_reg): Only evict for global regs.
11161 Take n_refs into account and dump more info.
11163 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11166 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11167 (pragma_trap, pragma_nosave_low_regs): Likewise.
11168 (current_function_anonymous_args): Likewise.
11169 (sh_deferred_function_attributes): New variable.
11170 (sh_deferred_function_attributes_tail): Likewise.
11171 (print_operand): For '@', look up trap_exit attribute.
11172 (calc_live_regs): Look up trapa_handler attribute. For trapa
11173 handlers, save/restore fpscr, but don't do any other
11174 interrupt-specific saves.
11175 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11176 Fix check for partially saved registers to check for SHmedia.
11177 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11178 (sh_output_function_epilogue): Don't clear any of the removed
11180 (sh_insert_attributes): Don't check pragma_interrupt.
11181 Insert deferred attributes. Check that interrupt attribute is
11182 present for other attributes that require its presence.
11183 (sh_attribute_table): Add new attributes trapa_handler and
11185 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11186 Don't check for pragma_interrupt. Don't store argument.
11187 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11188 (sh_deferred_function_attributes): Declare.
11189 (sh_deferred_function_attributes_tail): Likewise.
11190 * sh.md (sp_switch_1): Add operand. Change generator caller.
11191 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11192 (*return_i): Don't use when trap_exit attribute is in effect.
11193 (*return_trapa): New insn pattern.
11194 * sh-c.c: New file.
11195 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11196 setting c_target_objs and cxx_target_objs.
11197 * t-sh: Add rule for sh-c.o.
11199 2006-01-30 Richard Guenther <rguenther@suse.de>
11202 * gimplify.c (gimplify_target_expr): Handle easy cases
11203 without creating a temporary.
11205 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11207 * vec.h (safe_grow): Remove duplicated line.
11209 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11212 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11213 (expand_omp): ... here.
11214 (expand_omp_parallel): Only remove barriers for combined
11215 parallel+workshare constructs.
11217 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11221 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11222 * tree.c (build_qualified_type): Chain the new type to the original
11223 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11224 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11225 (build_pointer_type_for_mode): Only return unqualified types.
11226 (build_reference_type_for_mode): Likewise.
11228 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11230 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11231 * Makefile.in (CXX_COMPAT_WARN): Define.
11232 * configure: Regenerate.
11234 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11237 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11240 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11242 * toplev.c: Fix thinko.
11244 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11245 Marcin Dalecki <martin@dalecki.de>
11247 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11248 (push_srcloc): Use XNEW.
11249 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11251 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11253 * df-core.c (df_set_blocks): Deleted all variable.
11255 2006-01-28 Ian Lance Taylor <ian@airs.com>
11257 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11258 cgraph_output_pending_asms.
11260 2006-01-28 Zack Weinberg <zackw@panix.com>
11262 * c.opt: Add -W(no-)overlength-strings.
11263 * doc/invoke.texi: Document it.
11264 * c-opts.c (c_common_handle_option): -pedantic implies
11265 -Woverlength-strings, if not explicitly disabled already.
11266 (c_common_post_options): -Woverlength-strings defaults to off, and
11267 is always off for C++.
11268 * c-common.c (fix_string_type): Issue warning about strings longer
11269 than is portable only if warn_overlength_strings. Rearrange code
11270 a little for clarity.
11271 * configure.in: Check for -Wno-overlength-strings as well before
11272 enabling -pedantic in stage 1.
11273 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11274 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11276 * genconditions.c (write_header, write_one_condition)
11277 (write_conditions, write_writer): Consolidate very long strings
11278 that were broken up to fit in C89 portable limit. Don't use
11279 printf when fputs will do.
11281 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11283 * combine.c (simplify_comparison <AND>): Check
11284 TRULY_NOOP_TRUNCATION before start using a subreg.
11286 * config/mips/mips.md (*branch_zero<mode>,
11287 *branch_zero<mode>_inverted, *branch_equality<mode>,
11288 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11289 Remove mode check from comparisons.
11291 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11293 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11295 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11297 * expmed.c (const_mult_add_overflow_p): Remove.
11298 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11300 * recog.c (validate_replace_rtx_subexp): Remove.
11301 * recog.h: Remove the prototype for
11302 validate_replace_rtx_subexp.
11304 * integrate.h: Remove the prototype for
11305 copy_decl_for_inlining.
11306 * rtl.h: Remove the prototype for mark_constant_function.
11307 * tree-vectorizer.h: Remove the prototype for
11308 vect_strip_conversion.
11310 * modulo-sched.c (create_partial_schedule,
11311 free_partial_schedule, reset_partial_schedule): Make them
11314 * hooks.c (hook_bool_rtx_int_false): Remove.
11315 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11317 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11319 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11320 and -mlong-double-128 are incompatible.
11321 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11322 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11323 (TARGET_LIBGCC2_CFLAGS): Define.
11324 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11325 (TARGET_LIBGCC2_CFLAGS): Same.
11326 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11328 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11331 * c-typeck.c (build_binary_op): Perform implicit casts of
11332 operands before shortening them.
11334 * cfgloopmanip.c (split_loop_bb): Remove.
11335 * cfgloop.h: Remove the prototype for split_loop_bb.
11337 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11338 * cfgloop.h: Remove the prototype for
11339 flow_loop_outside_edge_p.
11341 * emit-rtl.c (init_virtual_regs): Make it static.
11342 * function.h: Remove the prototype for init_virtual_regs.
11344 * recog.c (peephole2_optimize): Make it static.
11345 * recog.h: Remove the prototype for peephole2_optimize.
11347 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11349 * df-scan.c (df_record_entry_block_defs): Check if
11350 INCOMING_RETURN_ADDR_RTX is defined.
11352 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11353 Kenneth Zadeck <zadeck@naturalbridge.com>
11355 PR rtl-optimization/24762
11356 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11357 * targhooks.c (hook_void_bitmap): New hook prototype.
11358 * targhoohs.h (hook_void_bitmap): Ditto.
11359 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11360 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11361 * target.h (live_on_entry): New function pointer.
11362 * df-scan.c (df_all_hard_regs): Removed.
11363 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11364 (df_scan_free_internal): Added df->entry_block_defs.
11365 (df_scan_alloc): Ditto.
11366 (df_scan_dump): Ditto.
11367 (df_uses_record): Plumbed flag field properly thru calls.
11368 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11369 This part fixes PR24762.
11370 (df_bb_refs_record): Added code to make the frame and arg
11371 pointers live in EH blocks.
11372 (df_refs_record): Added call to df_record_entry_block_defs.
11373 (df_record_entry_block_defs): New function.
11374 * df-core.c: Added comments to describe new artifical defs.
11375 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11376 (entry_block_defs): New field in struct df.
11377 (df_all_hard_regs): Deleted.
11378 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11379 * df-problems.c (df_ru_bb_local_compute_process_def):
11380 Added code to handle artifical defs in the entry to a function.
11381 (df_ru_bb_local_compute): Ditto.
11382 (df_rd_bb_local_compute_process_def): Ditto.
11383 (df_rd_bb_local_compute): Ditto.
11384 (df_lr_bb_local_compute): Ditto.
11385 (df_ur_bb_local_compute): Ditto.
11386 (df_urec_bb_local_compute): Ditto.
11387 (df_chain_create_bb): Ditto.
11388 (df_ur_local_finalize): Removed entry.
11389 (df_urec_init): Ditto.
11390 (df_urec_local_finalize): Ditto.
11391 (df_ri_bb_compute): Added detection of last use of pseudos.
11392 * Makefile.in (df-scan.o): Updated dependencies.
11393 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11394 * config/mips/mips.c (mips_set_live_on_entry): Added.
11395 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11397 * dce.c (marked_insn_p): Added code to handle artifical defs.
11399 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11401 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11403 (_mm_cvtsi128_si64): Likewise.
11404 (_mm_cvtsd_si64): Likewise.
11405 (_mm_cvttsd_si64): Likewise.
11406 (_mm_cvtsi64_sd): Likewise.
11407 (_mm_cvtsi64_si128): Likewise.
11408 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11409 (_mm_cvtsi64_m64): Likewise.
11410 (_m_to_int64): Likewise.
11411 (_mm_cvtm64_si64): Likewise.
11412 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11413 (_mm_cvttss_si64): Likewise.
11414 (_mm_cvtsi64_ss): Likewise.
11415 (_mm_cvtss_f32): Likewise.
11417 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11419 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11420 for pragma redefine_extname.
11422 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11425 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11426 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11427 -mno-minimal-toc to previous content.
11428 (bispecs): Remove goal.
11429 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11430 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11431 compatibility aliases on powerpc-*-*gnu*.
11432 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11433 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11434 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11435 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11436 (ldblspecs): New goal.
11437 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11438 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11440 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11441 L_sf_to_tf or L_df_to_tf is defined.
11443 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11444 Alan Modra <amodra@bigpond.net.au>
11447 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11448 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11449 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11450 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11451 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11452 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11453 (rs6000_override_options): Initialize rs6000_ieeequad.
11454 Initialize TFmode format to ibm_extended_format if not
11456 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11458 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11459 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11460 (function_arg_advance): IBM long double passed in two FPRs, not
11462 (function_arg): IBM long double passed in FPRs.
11463 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11464 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11465 Only multireg GPR aligned.
11466 (rs6000_init_libfuncs): Enable IBM long double functions if not
11468 (rs6000_generate_compare): Use IBM long double compare if not
11470 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11471 (TARGET_IEEEQUAD): Define.
11472 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11473 not TARGET_IEEEQUAD.
11474 * config/rs6000/rs6000.md: Enable TFmode patterns if
11476 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11477 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11478 and -mlong-double-128 are incompatible.
11479 * doc/invoke.texi (-mabi): Collect options together. Add
11480 ibmlongdouble and ieeelongdouble.
11482 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11484 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11486 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11487 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11488 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11489 * rtl.h (rtunion_def): Remove rt_ptr.
11491 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11492 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11493 * config/i386/winnt.c (i386_pe_mark_dllexport)
11494 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11496 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11498 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11500 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11504 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11505 pthread_key_delete. From John David Anglin. gthrw-ify
11506 pthread_getunique_np only if it it's not a macro. Delete
11508 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11509 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11510 __gthread_objc_condition_signal, __gthread_key_delete): Add
11511 "__attribute__ ((__unused__))" to unused arguments.
11512 (__gthread_recursive_mutex_init_function): Add missing return.
11513 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11514 gthr-posix95.h: Use macro-based approach for name redirection
11515 on targets missing weakref.
11517 2006-01-26 Zack Weinberg <zackw@panix.com>
11519 * genconditions.c (write_header): In generated code, #ifdef out
11520 all includes and fake declarations, except includes of bconfig.h
11521 and system.h, unless GCC_VERSION >= 3001. Do not include
11522 gensupport.h in any case.
11523 (write_conditions): Generate a definition of struct c_test. Add
11524 a comment to the generated #endif.
11525 (write_one_condition): Escape backslashes in string too.
11526 (write_writer): Generated code must escape backslashes and quote
11527 marks (but not newlines) in the strings it writes.
11528 * Makefile.in (build/gencondmd.o): Update dependencies.
11530 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11533 * Makefile.in (insn-automata.o): Add header file dependencies.
11534 * genautomata.c: Add includes.
11536 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11539 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11541 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11543 * configure.ac: Expect target tools paths to be passed from the toplevel
11544 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11546 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11548 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11551 * c.opt (Wpointer-sign): Init to -1.
11552 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11553 OPT_pedantic, to 0 otherwise.
11554 * doc/invoke.texi: Update.
11556 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11558 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11559 constants provided by 80387 instructions in the destination mode.
11561 2006-01-26 Richard Guenther <rguenther@suse.de>
11562 Andrew Pinski <pinskia@physics.uc.edu>
11565 partial PR tree-opt/17064
11566 * tree-ssa-structalias.c (intra_create_variable_infos):
11567 Create heap variables for incoming parameters if
11568 flag_argument_noalias > 1.
11569 (find_what_p_points_to): Look through default defs of
11572 2006-01-26 Jeff Law <law@redhat.com>
11575 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11576 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11577 within the VR_RANGE, use the VR_RANGE as the result, not the
11579 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11580 bounds for the type.
11582 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11584 * tree-ssa-alias.c (maybe_create_global_var): Change
11585 subvar walking to an assertion that we don't have subvar'd variables.
11587 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11590 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11591 Use a new variable, inner. PARM_DECLs are always non-weak.
11593 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11595 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11596 --disable-checking.
11598 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11600 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11602 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11604 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11605 (smax_insn, smin_insn, smax_0, smin_0): New.
11607 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11610 * config/cris/cris.c (cris_order_for_addsi3): New function.
11611 * config/cris/cris-protos.h: Prototype it.
11612 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11613 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11614 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11615 (split for "op.S1 [rx=rx+i],ry (swapped)")
11616 (split for "op(s|u).S1 [rx=rx+i],ry")
11617 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11618 Apply cris_order_for_addsi3 when generating addsi3 insns.
11620 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11622 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11623 (TREE_BLOCK): Add call to EXPR_CHECK.
11625 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11628 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11629 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11630 (dump_omp_clauses): ... here.
11631 (dump_generic_node): Handle OMP_CLAUSE.
11632 * tree.c (omp_clause_num_ops): New.
11633 (omp_clause_code_name): New.
11634 (tree_code_size): Handle OMP_CLAUSE.
11635 (tree_size): Likewise.
11636 (make_node): Document handling of OMP_CLAUSE.
11637 (tree_node_structure): Handle OMP_CLAUSE.
11638 (omp_clause_check_failed): New.
11639 (omp_clause_range_check_failed): New.
11640 (omp_clause_operand_check_failed): New.
11641 (build_omp_clause): New.
11642 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11643 * tree.h (enum omp_clause_code): Declare.
11644 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11645 (OMP_CLAUSE_RANGE_CHECK): Define.
11646 (OMP_CLAUSE_ELT_CHECK): Define.
11647 (omp_clause_check_failed): Declare.
11648 (omp_clause_operand_check_failed): Declare.
11649 (omp_clause_range_check_failed): Declare.
11650 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11651 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11652 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11653 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11654 (OMP_CLAUSE_IF_EXPR): Likewise.
11655 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11656 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11657 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11658 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11659 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11660 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11661 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11662 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11663 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11664 (OMP_CLAUSE_CODE): Define.
11665 (OMP_CLAUSE_SET_CODE): Define.
11666 (OMP_CLAUSE_CODE): Define.
11667 (OMP_CLAUSE_OPERAND): Define.
11668 (struct tree_omp_clause): Declare.
11669 (union tree_node): Add field 'omp_clause'.
11670 * treestruct.def (TS_OMP_CLAUSE): Define.
11671 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11672 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11673 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11674 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11675 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11676 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11677 (OMP_CLAUSE): Define.
11678 * print-tree.c (print_node): Handle OMP_CLAUSE.
11679 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11680 * c-typeck.c: Likewise.
11681 * gimplify.c: Likewise.
11682 * c-omp.c: Likewise.
11683 * tree-nested.c: Likewise.
11684 * tree-inline.c: Likewise.
11685 * c-parser.c: Likewise.
11686 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11689 2006-01-25 Roger Sayle <roger@eyesopen.com>
11691 PR rtl-optimization/25703
11692 * combine.c (try_combine): Handle zero_extract and strict_low_part
11693 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11695 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11697 * global.c: Fix comment typos.
11699 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11702 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11703 Use output_addr_const instead of assemble_name.
11705 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11707 * Makefile.in (sched-vis.o): Update dependencies.
11708 * haifa-sched.c (sched_finish): Clear current_sched_info.
11709 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11710 (dump_flow_info): Call it.
11711 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11713 * basic-block.h (dump_bb_info): Declare.
11714 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11715 option, and apply options only for dump files whose TDF_RTL,
11716 TDF_TREE, or TDF_IPA bits match.
11717 * rtl.h: Declare new functions exported from sched-vis.c.
11718 * sched-vis.c: Enable also if scheduling is not used.
11719 (print_value): Print the mode of registers if not inside scheduling.
11720 (print_insn): Make it work outside the scheduler. Beautify the output
11722 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11724 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11726 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11727 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11728 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11729 depending on the value of CONSTANT_POOL_ADDRESS_P.
11730 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11732 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11733 rather than SYMBOL_REF_DECL.
11734 (rtx_constant_pool): Remove const_rtx_sym_htab.
11735 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11736 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11737 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11738 Remove handling of const_rtx_sym_htab.
11739 (find_pool_constant): Delete.
11740 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11741 rather than find_pool_constant.
11742 (get_pool_constant_for_function): Delete.
11743 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11744 find_pool_constant.
11745 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11746 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11747 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11748 (SYMBOL_REF_CONSTANT): New macro.
11749 (get_pool_constant_for_function): Delete.
11750 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11751 rather than SYMBOL_REF_DECL.
11752 (i386_pe_mark_dllimport): Likewise.
11753 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11754 rather than SYMBOL_REF_DECL.
11755 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11756 (machopic_indirect_call_target): Likewise.
11758 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11760 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11762 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11764 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11766 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11768 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11770 2006-01-24 David Daney <ddaney@avtrex.com>
11773 * configure.ac (enable_tls): New enable option.
11774 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11775 * configure: Regenerate.
11776 * doc/install.texi (--enable-tls): Document new option.
11777 (--disable-tls): Ditto.
11779 2006-01-24 Richard Henderson <rth@redehat.com>
11781 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11782 * alias.c (true_dependence): Respect it.
11783 (canon_true_dependence, write_dependence_p): Likewise.
11784 * builtins.c (get_builtin_sync_mem): Set it.
11786 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11788 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11791 2006-01-24 DJ Delorie <dj@redhat.com>
11793 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11794 for storing constants in single-bit bitfields.
11796 2006-01-25 Ben Elliston <bje@au.ibm.com>
11798 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11800 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11803 * tree-ssa-pre.c (phi_translate): Return NULL
11804 for AGGREGATE_TYPE's.
11806 2006-01-24 Zack Weinberg <zackw@panix.com>
11808 * genautomata.c (process_state_for_insn_equiv_partition):
11809 Use xcalloc for insn_arcs_array.
11810 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11811 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11813 2006-01-24 Richard Henderson <rth@redhat.com>
11815 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11816 update all callers.
11818 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11820 PR rtl-optimization/25890
11821 PR rtl-optimization/25905
11822 * combine.c (expand_compound_operation, expand_field_assignment):
11823 Fail if the bitfield's final position is out of bounds.
11825 2006-01-24 Ian Lance Taylor <ian@airs.com>
11827 PR middle-end/25930
11828 * cgraphunit.c (cgraph_output_in_order): Don't clear
11829 cgraph_asm_nodes until after asm strings have been output.
11831 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11833 * fix-header.c (read_scan_file): Add new parameter imultilib when
11834 calling register_include_chains.
11836 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11838 * omp-low.c: Update documentation.
11840 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11841 Daniel Berlin <dberlin@dberlin.org>
11845 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11846 return from the function.
11848 2006-01-22 Zack Weinberg <zackw@panix.com>
11850 * rtl.def (match_code): Add second argument.
11851 * genpreds.c (write_extract_subexp): New function.
11852 (write_match_code): Add path argument. Use write_extract_subexp.
11853 (write_predicate_expr): Pass path to write_match_code.
11854 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11855 not perform a mode test.
11856 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11857 a subexpression does not constrain the top-level code set.
11858 * read-rtl.c (read_rtx_variadic): New function.
11859 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11860 * doc/md.texi: Document new notation.
11861 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11862 (cmpsi_operand): ... here, using new notation.
11864 2006-01-22 Zack Weinberg <zackw@panix.com>
11866 * varray.c: Remove GENERATOR_FILE #ifdefs.
11868 2006-01-22 Zack Weinberg <zackw@panix.com>
11870 * genautomata.c (output_reserved_units_table): Emit nothing if
11871 description->query_units_num is zero. Remove extra blank line.
11872 (output_cpu_unit_reservation_p): Short circuit
11873 if description->query_units_num is zero.
11875 2006-01-22 Zack Weinberg <zackw@panix.com>
11877 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11878 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11879 nor any of the random handful of variables that used to be necessary
11880 when this program was linked with rtlanal.o. Prune set of forward
11881 function declarations.
11882 (struct attr_desc): Remove static_p field.
11883 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11884 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11885 (attr_string): Do not read the character one past the length of
11887 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11888 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11889 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11890 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11891 (make_automaton_attrs): New.
11892 (main): Do not call into genautomata. Call local gen_bypass
11893 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11894 Remove special case for insn_alts.
11895 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11896 varray.h (leftover from previous change). Prune set of forward
11897 function declarations. Remove state_alts fields from all
11898 structures. Remove state_alts_table from struct automaton.
11899 Make everything except main static. Do not maintain num_dfa_decls.
11900 Do not maintain state_alts fields of various structures.
11901 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11902 (add_arc): Remove state_alts argument. All callers updated.
11903 (output_reserved_units_table): Emit #ifdef here...
11904 (output_tables): ...not here. Don't generate state_alts tables.
11905 (expand_automata): Don't generate attributes.
11906 (write_automata): Don't generate state_alts functions.
11907 (main): New function.
11908 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11909 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11910 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11911 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11912 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11913 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11914 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11915 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11917 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11918 * genattrtab.h: Delete file.
11919 * Makefile.in (OBJS-common): Add insn-automata.o.
11920 (insn-automata.o): New rule.
11921 (simple_generated_c): Add insn-automata.c.
11922 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11923 (genprogmd): Add automata.
11924 (build/genattrtab): Needs no extra objects nor libraries.
11925 (build/genautomata): Needs build/vec.o and -lm.
11927 2006-01-22 Zack Weinberg <zackw@panix.com>
11929 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11930 (output_dfa_max_issue_rate, locked_states_num): Delete.
11931 (struct automaton): Add locked_states field.
11932 (output_dead_lock_vect): Save number of locked states in
11933 automaton->locked_states. If it is zero, don't print anything.
11934 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11935 (output_internal_dead_lock_func): Only test the dead_lock_vect
11936 for automata that have locked states.
11937 (output_statistics): Always print the number of locked states for
11938 each automaton. Calculate total number of locked states here.
11939 (write_automata): Don't call output_dfa_max_issue_rate.
11940 * genattrtab.c: Define length_unit_log as a const variable.
11941 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11942 max_insn_queue_index const.
11943 * final.c (length_unit_log): Declare const.
11944 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11946 2006-01-22 Zack Weinberg <zackw@panix.com>
11948 * genautomata.c: Include vec.h, not varray.h.
11949 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11950 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11951 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11952 VEC_* macros operating on appropriately typed vectors, or to
11953 malloced arrays when the size is known in advance. Const-ify
11954 many char* variables and function arguments. No functional changes.
11955 * Makefile.in (build/varray.o): Delete rule.
11956 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11957 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11959 2006-01-22 Zack Weinberg <zackw@panix.com>
11961 * gensupport.c: Define get_insn_name and record_insn_name here.
11962 (read_md_rtx): Call record_insn_name as appropriate.
11963 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11964 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11965 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11967 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11968 (BUILD_VARRAY): Delete.
11969 (genprognormal): Rename genprogmd. Fold in all programs from
11970 genprognoprint; also attrtab.
11971 (build/genattrtab): Just mention genautomata.o and varray.o.
11972 Reorganize a bit, add comments to make the categories clearer.
11974 2006-01-22 Zack Weinberg <zackw@panix.com>
11976 * genconditions.c (condition_table, add_condition): Delete.
11977 (write_conditions): Don't emit n_insn_conditions nor
11978 insn_elision_unavailable. Issue the gcc version #ifdef here,
11979 inside the table, with no #else clause ...
11980 (write_header): ...not here.
11981 (write_writer): New function.
11982 (main): Don't initialize condition_table. Use add_c_test.
11984 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11985 files on the command line.
11986 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11987 Return -1 if there is no entry in the table, don't abort.
11988 (add_c_test, traverse_c_tests): New functions.
11989 * gensupport.h (insn_elision_unavailable, insn_conditions)
11990 (n_insn_conditions): Delete declarations.
11991 (add_c_test, traverse_c_tests): Declare.
11992 * read-rtl.c: Include gensupport.h.
11993 (read_conditions): New function.
11994 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11995 (read_rtx_1): If we get EOF when we were looking for an initial
11996 open paren, return 0. Call read_conditions when appropriate.
11997 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11998 dummy-conditions.o. Eliminate references to insn-conditions.o,
11999 or change them to build/gencondmd.o, as appropriate. Remove
12000 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12001 from $(simple_generated_c). For all files remaining in those
12002 two lists, add insn-conditions.md to the generator command line.
12003 Give insn-constants.h/s-constants their own rules. Add rules
12004 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12005 (build/read-rtl.o): Depend on gensupport.h.
12006 (genprognormal): Include preds.
12007 (genprogearly): Rename genprognoprint; only difference is now that
12008 they don't link with $(BUILD_PRINT).
12009 * dummy-conditions.c: Delete.
12011 2006-01-22 Zack Weinberg <zackw@panix.com>
12013 * genextract.c: Don't include insn-config.h. Do include vec.h.
12014 Declare vectors of int, char, and locstr.
12015 (locstr): New typedef.
12016 (struct extraction): Make all array fields into bare pointers.
12017 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12018 (insn_code_number): Delete.
12019 (accum_extract): New struct.
12020 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12021 (gen_insn): Take insn_code_number as an argument. Use an
12022 accum_extract structure instead of loading data directly into
12023 a struct extraction, and having to know how big it might get.
12024 (walk_rtx): Operate entirely on an accum_extract structure.
12025 (print_path): Avoid unnecessary use of printf.
12026 (print_header): New function, split out of main. Distinguish
12027 more carefully between an unrecognizable insn and an insn that
12028 has the code number of a define_expand.
12029 (main): Pass insn_code_number to gen_insn. Call print_header
12030 only after parsing. Avoid unnecessary use of printf.
12031 * Makefile.in (build/vec.o): New rule.
12032 (build/genextract): Depend on build/vec.o.
12033 (build/genextract.o): Don't depend on insn-config.h.
12035 2006-01-22 Zack Weinberg <zackw@panix.com>
12037 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12038 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12039 practical. Eliminate per-generator-program link rules.
12041 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12043 PR middle-end/24437
12044 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12045 with a call expr to ...
12046 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12048 2006-01-23 Richard Guenther <rguenther@suse.de>
12050 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12051 before make_edge with conditional EDGE_TRUE_VALUE.
12053 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12054 Jan Hubicka <jh@suse.cz>
12055 Richard Guenther <rguenther@suse.de>
12057 PR rtl-optimization/25654
12058 * cfgexpand.c (aggregate_contains_union_type): New function.
12059 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12060 for structure variables that contain a union type.
12062 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12064 * gengtype.c (new_structure): Return the structure.
12065 (create_option): Add an extra "next" argument.
12066 (create_field): New function.
12067 (adjust_field_rtx_def): Use create_option and create_field.
12068 Remove a now-unnecessary call to find_structure.
12069 (adjust_field_tree_def): Likewise.
12070 (note_yacc_type): Remove an unnecessary call to find_structure.
12071 * gengtype.h (new_structure): Return the structure.
12072 (create_option): Add an extra argument.
12073 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12074 (option): Adjust calls to create_option.
12076 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12078 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12080 2006-01-22 Paul Brook <paul@codesourcery.com>
12081 Peter Barada <peter@the-baradas.com>
12083 * config/m68k/m68k.md: Add Coldfire FPU support.
12084 Define FP mode macro and associated attributes.
12085 Use it for float mode patterns.
12086 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12087 (LIBCALL_VALUE): Use m68k_libcall_value.
12088 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12089 (m68k_function_value): Ditto.
12090 (emit_move_sequence): Ditto.
12091 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12092 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12093 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12094 (MULTILIB_EXCEPTIONS): Ditto.
12095 * config/m68k/m68k.opt: Add mcfv4e.
12096 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12097 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12098 (m68k_output_function_prologue): Save ColdFire FPU registers.
12099 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12100 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12101 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12102 ColdFire FPU registers.
12103 (m68k_libcall_value, m68k_function_value): New functions.
12104 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12105 (LIBCALL_VALUE): Use m68k_libcall_value.
12106 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12107 (MASK_COLDFIRE): Add MASK_CFV4E.
12108 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12109 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12110 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12111 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12112 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12113 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12114 * doc/invoke.tex: Document -mcfv4e on m68k.
12116 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12118 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12121 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12124 * c-opts.c (c_common_handle_option): Don't include
12125 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12126 * doc/invoke.texi (C++ Dialect Options): Document that
12127 -Wnon-virtual-dtor is no longer included in -Wall.
12129 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12131 * gcov.c (print_version), gcov-dump.c (print_version),
12132 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12135 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12137 * df-scan.c (problem_SCAN): Added NULL reset function.
12138 (df_scan_reset_blocks): Added code to call reset block function
12139 (df_bb_refs_delete) Fixed comment.
12140 (df_insn_refs_delete): Made tolerant of deleting non existent info
12141 for dataflow problems that need to be reset.
12142 * df-core.c (df_set_blocks): Ditto.
12143 * df.h (struct df_problem): Added reset_fun.
12144 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12145 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12146 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12147 functions to clear out all references to def-use or use-def chains.
12149 2006-01-21 Ben Elliston <bje@au.ibm.com>
12151 * varasm.c (assemble_real): Initialise data array.
12153 2006-01-20 Paul Brook <paul@codesourcery.com>
12155 Merge from csl-arm-branch.
12156 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12157 * config/arm/arm.md (movdi): Force operands[1] to a register
12158 if we have a non-register source.
12159 (*arm_movdi, *movdf_soft_insn): Require that one of the
12160 operands be a register.
12161 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12162 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12164 2006-01-20 DJ Delorie <dj@redhat.com>
12166 * varasm.c (initializer_constant_valid_p): Allow pointers
12167 initialized from integer constants of lesser precision.
12168 (output_constant): Allow non-int-sized pointer modes to be
12169 initialized from integer constants.
12171 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12174 * cppdefault.h (struct default_include): Add multilib flag.
12175 * cppdefault.c (cpp_include_defaults): Set it.
12176 * c.opt (-imultilib): New option.
12177 * c-opts.c (imultilib): New.
12178 (c_common_handle_option): Handle -imultilib.
12179 (c_common_post_options): Likewise.
12180 * c-incpath.c (add_standard_paths, register_include_chains):
12182 * c-incpath.h (register_include_chains): Add extra parameter.
12183 * gcc.c (do_spec_1): Generate -imultilib option.
12184 (The Specs Language): Update %I description.
12185 (process_command): Update copyright notice.
12186 * doc/cppopts.texi (-imultilib): Document.
12187 * doc/invoke.texi (-imultilib): Include in option summary.
12188 (%I): Update specs documentation.
12190 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12192 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12194 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12196 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12199 2006-01-20 Richard Guenther <rguenther@suse.de>
12200 Steven Bosscher <stevenb.gcc@gmail.com>
12202 PR rtl-optimization/24626
12203 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12204 EDGE_TRUE_VALUE if in RTL mode.
12207 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12208 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12210 2006-01-20 Dirk Mueller <dmueller@suse.com>
12213 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12214 instead of a special NOP marker.
12215 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12216 NOP marker handling.
12217 * c-common.h (empty_body_warning): Add forward declaration.
12218 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12219 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12221 2006-01-20 Paul Brook <paul@codesourcery.com>
12223 * Makefile.in (lang_checks): Keep going if mkdir fails.
12225 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12227 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12228 be able to clean out basic block when not necessary.
12229 (df_scan_free): Fixed to properly delete information if df is
12230 unused before calling df_finish.
12231 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12232 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12234 (df_bb_refs_delete): New function.
12235 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12236 * df-core.c (df_set_blocks): Added code to properly clean out
12237 unused blocks if they are not part of the blocks to consider.
12238 Added additional null check.
12239 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12240 be able to clean out basic block when not necessary
12241 * df.h (df_free_bb_function): Ditto.
12242 (df_bb_refs_delete): New function.
12243 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12244 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12245 basic block parameter to be able to clean out basic block when not
12247 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12248 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12249 Fixed to properly delete information if df is unused before
12252 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12254 PR rtl-optimization/25799
12255 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12256 Corrected confluence operator to remove bits from op2 before oring
12257 with op1 rather than removing bits from op1.
12258 (df_ru_transfer_function): Corrected test on wrong bitmap which
12259 caused infinite loop. Both of these problems were introduced in
12260 the dataflow rewrite.
12262 2006-01-19 DJ Delorie <dj@redhat.com>
12264 * reload1.c (find_reload_regs): Note the details of reload
12265 failures in the dump file.
12266 (spill_failure): Likewise.
12268 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12270 * loop-iv.c: Include df.h and hashtab.h.
12271 (enum iv_grd_result): New enum.
12272 (DF_REF_IV, DF_REF_IV_SET): New macros.
12273 (struct biv_entry): New.
12274 (df, bivs): New global variables.
12275 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12276 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12278 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12279 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12280 analyzed_for_bivness_p, record_biv): New functions.
12281 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12282 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12283 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12285 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12287 (iv_number_of_iterations): Use new interface to iv analysis.
12288 * loop-unroll.c: Do not include varray.h.
12289 (analyze_iv_to_split_insn): Use new interface to iv
12291 * loop-unswitch.c (may_unswitch_on): Ditto.
12292 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12294 (df_bb_modify): Realloc tables to the new index.
12295 (df_find_use): New function.
12296 * df.h (df_find_use): Declare.
12297 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12299 * cfgloop.h (struct rtx_iv): Remove analysed field.
12300 (iv_get_reaching_def): Removed.
12301 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12302 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12303 (loop-iv.o): Add df.h and hashtab.h dependency.
12304 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12306 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12309 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12311 (__floatundisf, __floatundidf): Likewise.
12312 * libgcc2.h (IS_IBM_EXTENDED): Define.
12314 2006-01-19 DJ Delorie <dj@redhat.com>
12316 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12318 2006-01-19 Paul Brook <paul@codesourcery.com>
12320 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12321 as nothrow when unwinding tables are disabled.
12323 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12326 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12327 of bit-field" when in system header.
12329 2006-01-19 DJ Delorie <dj@redhat.com>
12331 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12332 the 16 bit shift limit of the m16c.
12334 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12337 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12338 * config/i386/i386.c (output_set_got): Output the label if we have one
12339 for the TARGET_DEEP_BRANCH_PREDICTION case.
12341 2006-01-19 Jan Hubicka <jh@suse.cz>
12342 H.J. Lu <hongjiu.lu@intel.com>
12343 Evandro Menezes <evandro.menezes@amd.com>
12345 * invoke.texi (generic): Document
12347 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12348 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12349 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12350 (x86_use_incdec, x86_pad_returns): New variables
12351 (TARGET_CPU_DEFAULT_generic): New constant
12352 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12353 (enum processor_type): Add generic32 and generic64.
12354 * i386.md (cpu attribute): Add generic32/generic64
12355 (movhi splitter): Behave sanely when both partial_reg_dependency and
12356 partial_reg_stall are set.
12357 (K8 splitters): Enable for generic as well.
12358 * predicates.md (incdec_operand): Use TARGET_INCDEC
12359 (aligned_operand): Avoid memory mismatch stalls.
12360 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12361 * ppro.md: Enable for generic32
12362 * i386.c (generic64_cost, generic32_cost): New.
12363 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12364 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12365 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12366 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12367 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12368 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12369 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12370 x86_accumulate_outgoing_args, x86_prologue_using_move,
12371 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12372 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12373 Enable for generic.
12374 (x86_use_incdec, x86_pad_returns): New.
12375 (override_options): Add generic32 and generic64, translate "generic"
12376 to generic32/generic64 and "i686" to "generic32", refuse
12377 "generic32"/"generic64" as arch target.
12378 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12379 (ix86_reorg): Honor PAD_RETURNS.
12381 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12383 * tree-pretty-print.c (dump_generic_node): Handle
12384 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12385 * cgraph.c (cgraph_expand_queue): Rename from
12386 cgraph_analyze_queue. Update all users.
12387 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12388 cgraph_expand_queue.
12389 (cgraph_expand_all_functions): Likewise.
12390 (cgraph_finalize_pending_functions): Remove. Update callers.
12392 * tree.h (OMP_DIRECTIVE_P): Define.
12393 (OMP_PARALLEL_FN): Define.
12394 (OMP_PARALLEL_DATA_ARG): Define.
12395 (OMP_SECTIONS_SECTIONS): Define.
12396 * tree-pass.h (pass_expand_omp): Declare.
12397 * omp-low.c (struct omp_region): Declare.
12398 (struct omp_context): Remove fields 'parallel_type',
12399 'parallel_start_ix' and 'parallel_start_additional_args'.
12401 (struct omp_for_data): Rename from struct expand_omp_for_data.
12402 (omp_regions): New static variable.
12403 (root_omp_region): New static variable.
12404 (find_omp_clause): Make static.
12405 (is_in_combined_parallel_ctx): Remove.
12406 (is_combined_parallel): New.
12407 (extract_omp_for_data): Move earlier in the file.
12408 (workshare_safe_to_combine_p): New.
12409 (get_ws_args_for): New.
12410 (determine_parallel_type): Move earlier in the file.
12411 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12413 (omp_copy_decl): Likewise.
12414 (create_omp_child_function): Likewise.
12415 (lookup_omp_region): New.
12416 (dump_omp_region): New.
12417 (debug_omp_region): New.
12418 (debug_all_omp_regions): New.
12419 (new_omp_region): New.
12420 (scan_omp_parallel): If parallel_nesting_level > 1, the
12421 directive is nested within another parallel directive.
12422 Set OMP_PARALLEL_FN.
12423 (scan_omp_for): Do not try to handle combined parallel+for
12425 Remove FIXME comment.
12426 (scan_omp_nested): Remove.
12427 (scan_omp_1): Do not call scan_omp_nested when
12428 parallel_nesting_level is > 1.
12429 Do not change the DECL_CONTEXT of local variables found.
12430 (lookup_decl_in_outer_ctx): New.
12431 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12432 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12433 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12434 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12435 If CTX is nested, lookup VAR in the outer context when
12436 building copy assignment.
12437 (lower_send_clauses): Rename from expand_send_clauses.
12438 If CTX is nested, lookup VAR in the outer context when
12439 building copy assignments.
12440 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12441 If CTX is nested, lookup VAR in the outer context when
12442 building copy assignments.
12443 (expand_parallel_call): Rename from build_parallel_call.
12444 Handle combined parallel+workshare cases.
12445 Re-implement to emit code into the CFG.
12447 (expand_omp_parallel): Re-implement to emit code into the CFG.
12448 Call move_sese_region_to_fn to outline the sub-graph
12449 containing the parallel region.
12450 (expand_omp_for_1): Remove.
12451 (expand_omp_for_generic): Re-implement to emit code into the
12453 (expand_omp_for_static_nochunk): Likewise.
12454 (expand_omp_for_static_chunk): Likewise.
12455 (expand_omp_for): Likewise.
12456 (expand_omp_sections): Likewise.
12457 (remove_exit_barriers): New.
12458 (expand_omp_synch): New.
12460 (build_omp_regions_1): New.
12461 (build_omp_regions): New.
12462 (execute_expand_omp): New.
12463 (gate_expand_omp): New.
12464 (pass_expand_omp): Define.
12465 (lower_omp_sections): Rename from expand_omp_sections.
12466 Set OMP_SECTIONS_SECTIONS.
12467 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12468 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12469 (lower_omp_single): Rename from expand_omp_simple.
12470 (lower_omp_master): Rename from expand_omp_master.
12471 (lower_omp_ordered): Rename from expand_omp_ordered.
12472 (lower_omp_critical): Rename from expand_omp_critical.
12473 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12474 (lower_omp_for): Re-implement.
12475 (lower_omp_parallel): Re-implement.
12476 (lower_regimplify): Rename from expand_regimplify.
12477 (lower_omp_1): Rename from expand_omp_1.
12478 If there are syntax errors in the program, replace every
12479 OpenMP directive with NOP.
12480 Call lower_omp_* instead of expand_omp_*.
12481 (lower_omp): Rename from expand_omp.
12483 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12484 * tree-gimple.h (enum omp_parallel_type): Remove.
12485 (gimple_boolify): Declare extern.
12486 (find_omp_clause, determine_parallel_type): Remove.
12488 * gimple-low.c (lower_omp_directive): New.
12489 (lower_stmt): Call it.
12490 (record_vars_into): Move from ...
12491 (record_vars): ... here.
12492 Call record_vars_into with current_function_decl.
12494 * gimplify.c (struct gimplify_ctx): Remove fields
12495 combined_pre_p and combined_ctxp. Update users.
12496 (get_formal_tmp_var): Add documentation.
12497 (gimple_boolify): Make extern.
12498 (gimplify_expr_in_ctx): Remove. Update callers.
12499 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12500 will always be a BIND_EXPR.
12501 (gimplify_expr): Handle OMP_RETURN_EXPR.
12502 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12503 (OMP_PARALLEL): Add 3 operands.
12504 (OMP_SECTIONS): Add 1 operand.
12505 (OMP_RETURN_EXPR): Define.
12507 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12508 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12509 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12510 creating a circular free list.
12511 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12513 * tree-flow.h (move_sese_region_to_fn): Declare.
12514 (record_vars_into): Declare.
12515 * tree-cfg.c (make_omp_sections_edges): New.
12516 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12517 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12518 OMP_SECTIONS and OMP_SECTION.
12519 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12520 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12521 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12522 (gather_blocks_in_sese_region): New.
12523 (struct move_stmt_d): Declare.
12524 (move_stmt_r): New.
12525 (move_block_to_fn): New.
12526 (move_sese_region_to_fn): New.
12528 * passes.c (init_optimization_passes): Schedule
12529 pass_expand_omp after pass_init_datastructures.
12531 * tree-ssa-operands.c (get_expr_operands): Handle
12532 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12533 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12535 2006-01-19 Jeff Law <law@redhat.com>
12537 * tree-vrp.c (extract_range_from_assert): Refine the result range
12538 if the variable referenced by the ASSERT_EXPR has a range and
12539 either the tentative result range or the previous range is a
12542 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12544 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12546 2006-01-19 Jan Hubicka <jh@suse.cz>
12548 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12550 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12552 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12553 (expand_compound_operation, expand_field_assignment): Fail if the
12554 bit lengths of an extract operation are out of range.
12555 (make_extraction): Compute wanted_inner_mode based on the position
12556 and length of the extraction. Make it extraction_mode for non-constant
12557 positions, and do not modify offset in that case. When generating a
12558 new MEM, use a mode that can hold the extraction while keeping correct
12559 alignment. Remove code that supported MEMs wrapped by USEs.
12560 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12562 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12564 * config/s390/s390.md ("Y", "y"): New mode attribute.
12565 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12566 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12567 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12568 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12569 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12570 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12571 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12572 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12573 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12574 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12575 "addsi3", "subsi3"): Insn patterns removed.
12576 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12577 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12578 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12579 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12580 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12581 "*sub<mode>3_cconly2"): New insn patterns.
12582 ("addsi3", "subsi3"): New expanders.
12584 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12586 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12587 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12588 existing STMT_VINFO_VECTYPE if available.
12589 (vect_mark_relevant): Add special handling for stmts that are
12590 marked as STMT_VINFO_IN_PATTERN_P.
12591 (vect_analyze_loop): Call vect_pattern_recog.
12592 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12593 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12595 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12596 (vect_recog_func_ptr): New function-pointer type.
12597 * tree-vect-patterns.c: New file.
12598 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12599 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12600 (vect_pattern_recog_1): New functions.
12601 (vect_pattern_recog_funcs): New array of function pointers.
12603 * tree-vectorizer.h (ternary_op): New enum value.
12604 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12605 declaration. Revised documentation. Removed redundant dump prints.
12606 Removed redundant argument. Added support for reduction patterns.
12607 (vectorizable_reduction): Added support for reduction patterns.
12608 (vect_transform_stmt): Added support for patterns.
12610 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12611 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12612 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12613 (expand_widen_pattern_expr): New function.
12614 (init_optabs): Initialize new optabs udot_prod_optab,
12616 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12617 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12618 (expand_widen_pattern_expr): New function declaration.
12619 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12621 * tree-inline.c (estimate_num_insns_1): Added cases for new
12622 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12623 * tree-pretty-print.c (dump_generic_node): Likewise.
12624 (op_prio): Likewise.
12625 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12626 * tree-ssa-operands.c (get_expr_operands): Added case for
12628 * tree-vect-patterns.c (widened_name_p): New function.
12629 (vect_recog_dot_prod_pattern): Added function implementation.
12630 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12631 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12632 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12633 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12635 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12636 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12637 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12638 (init_optabs): Initialize new optabs widen_ssum_optab,
12640 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12641 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12642 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12643 use instead of type of def.
12644 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12645 function implementation.
12646 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12647 widen_ssumv8hi): New.
12649 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12652 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12655 * c-decl.c (add_flexible_array_elts_to_size): New function.
12656 (finish_decl): Use it.
12658 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12660 * diagnostic.h: Include options.h.
12661 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12662 dependancies for diagnostic.h.
12663 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12665 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12667 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12668 (ssa_ro_call_cache_valid): Ditto.
12669 * tree-ssa-alias.c (sort_tags_by_id): New function.
12670 (init_transitive_clobber_worklist): Ditto.
12671 (add_to_worklist): Ditto.
12672 (mark_aliases_call_clobbered): Ditto.
12673 (compute_tag_properties): Ditto.
12674 (set_initial_properties): Ditto.
12675 (compute_call_clobbered): Ditto.
12676 (compute_may_aliases): Call compute_call_clobbered and grouping.
12677 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12678 (compute_flow_insensitive_aliasing): Grouping now happens in our
12680 (setup_pointers_and_addressables): Remove clobbering related code.
12681 (add_may_alias): Ditto.
12682 (replace_may_alias): Ditto.
12683 (get_nmt_for): Ditto.
12684 (create_global_var):
12685 (is_escape_site): Return an escape_type enumeration.
12686 * tree-flow-inline.h (is_call_clobbered): Global var does not
12687 imply call clobbered.
12688 (mark_call_clobbered): Take a reason for marking this. Remove
12689 marking of globalness, and cache invalidation.
12690 (clear_call_clobbered): Remove cache invalidation code.
12691 * tree-dfa.c (dump_variable): If details is on, dump the reason
12693 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12695 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12696 (struct var_ann_d): Ditto.
12697 (enum escape_type): New.
12698 (mark_call_clobbered): Adjust prototype.
12699 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12700 are never call clobbered.
12701 Record reasons for escaping.
12702 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12703 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12704 (ssa_ro_call_cache_valid): Ditto.
12705 (clobbered_v_may_defs): Ditto.
12706 (clobbered_vuses): Ditto.
12707 (ro_call_vuses): Ditto.
12708 (clobber_stats): New.
12709 (init_ssa_operands): Zero out clobber stats.
12710 (fini_ssa_operands): Print out clobber stats.
12711 (get_call_expr_operands): Pass callee fndecl to
12712 add_call_read_ops).
12713 (add_call_clobber_ops): Remove use of cache.
12714 Add use of PURE_CONST information.
12715 (add_call_read_ops): Remove use of cache.
12716 Add use of static not_read information.
12718 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12720 Introduce TLS descriptors for i386 and x86_64.
12721 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12722 (TARGET_ANY_GNU_TLS): New macro.
12723 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12724 (struct machine_function): Add tls_descriptor_call_expanded_p.
12725 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12726 (ix86_current_function_calls_tls_descriptor): Likewise.
12727 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12728 (override_options): Introduce gnu2 tls dialect.
12729 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12731 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12733 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12734 (ix86_init_machine_status): Initialize new field.
12735 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12736 (ix86_tls_module_base): New.
12737 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12738 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12739 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12740 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12741 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12742 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12743 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12744 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12745 * config/i386/predicates.md (tls_modbase_operand): New.
12746 (tp_or_register_operand): New.
12748 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12750 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12751 (look_for_address_of): Ditto.
12752 (ipa_init): Walk the function decls.
12753 (static_execute): Don't set readonly on FUNCTION_DECL's.
12755 2006-01-18 Roger Sayle <roger@eyesopen.com>
12757 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12758 for shifts where the source and destination registers are different.
12760 2006-01-18 Paul Brook <paul@codesourcery.com>
12762 Merge from csl-arm-branch.
12763 2005-03-14 Julian Brown <julian@codesourcery.com>
12764 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12765 (aeabi_llsl): Likewise.
12766 (ashrdi3): Likewise.
12767 (aeabi_lasr): Likewise.
12768 (lshrdi3): Likewise.
12769 (aeabi_llsr): Likewise.
12770 2005-03-10 Julian Brown <julian@codesourcery.com>
12771 * config.gcc: Disable shared libgcc for SymbianOS.
12772 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12774 2006-01-18 DJ Delorie <dj@redhat.com>
12776 * c-pragma.c (handle_pragma_diagnostic): New.
12777 (init_pragma): Register it.
12778 * doc/extend.texi: Document it.
12780 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12781 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12782 (diagnostic_context): Add classify_diagnostic[].
12783 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12784 as errors if they're overridden to DK_WARNING.
12785 (diagnostic_initialize): Initialize classify_diagnostic[].
12786 (diagnostic_set_kind_override): New.
12787 (diagnostic_report_diagnostic): Check for kind changes.
12788 * opts.c (common_handle_option): Take lang_mask. Update callers.
12789 Handle OPT_Werror_.
12790 * common.opt (Werror=): New.
12791 * doc/invoke.texi: Document -Werror=*
12793 2006-01-18 Jeff Law <law@redhat.com>
12795 * tree-vrp.c (test_for_singularity): Correct test for new
12796 min limit. Use operand_equal_p rather than pointer equality
12797 for testing if new min/max values are equal.
12799 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12800 using range information until after propagation and folding.
12802 2006-01-18 Richard Henderson <rth@redhat.com>
12803 Aldy Hernandez <aldyh@redhat.com>
12804 Jakub Jelinek <jakub@redhat.com>
12805 Diego Novillo <dnovillo@redhat.com>
12807 * omp-low.c: New file.
12808 * c-omp.c: New file.
12810 2006-01-18 Richard Henderson <rth@redhat.com>
12811 Jakub Jelinek <jakub@redhat.com>
12812 Diego Novillo <dnovillo@redhat.com>
12814 * doc/invoke.texi: Document -fopenmp.
12815 * tree-dump.h (debug_function): Declare.
12816 * hooks.c (hook_bool_tree_bool_false): New function.
12817 (hook_tree_tree_null): Remove.
12818 (hook_tree_tree_tree_null): New.
12819 * hooks.h: Update to match.
12820 * tree-pretty-print.c (debug_tree_chain): New.
12821 (print_generic_expr): Handle TDF_CHAIN.
12822 (dump_generic_node): Handle BLOCK.
12823 Do not abort with incomplete SWITCH_EXPRs.
12824 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12825 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12826 print space after directive name.
12827 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12828 Handle OMP_MASTER and OMP_ORDERED.
12829 Handle printing of OMP_BODY just in one place, goto
12830 dump_omp_body in the rest of OMP_* nodes that have
12832 Don't handle clause nodes here. Update omp statements to
12833 use dump_omp_clauses.
12834 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12835 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12836 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12837 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12838 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12839 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12840 Adjust output for GOMP_PARALLEL.
12841 (dump_omp_clauses): New.
12842 (print_declaration): Dump DECL_VALUE_EXPR.
12843 (op_symbol_1): Split out of op_symbol.
12844 (dumping_stmts): Remove. Update all users.
12845 * cgraph.c (cgraph_analyze_queue): New.
12846 (cgraph_add_new_function): New.
12847 * cgraph.h (cgraph_analyze_queue): Declare.
12848 (cgraph_add_new_function): Declare.
12849 (cgraph_lower_function): Remove.
12850 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12851 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12852 and TYPE_P nodes in its default clause.
12853 (empty_body_p): New.
12854 (tree_range_check_failed): New.
12855 (build5_stat): New.
12856 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12857 OMP_CLAUSE_REDUCTION_MERGE,
12858 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12859 OMP_CLAUSE_PRIVATE_DEBUG,
12860 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12861 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12862 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12863 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12864 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12865 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12866 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12867 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12868 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12869 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12870 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12871 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12872 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12873 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12874 (TREE_RANGE_CHECK): New.
12875 (empty_body_p): Declare.
12876 (enum omp_clause_default_kind): New.
12877 (build_string_literal): Declare.
12878 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12879 (build5_stat, build5): Declare.
12880 * tree-pass.h (TDF_CHAIN): Define.
12881 * tree-pass.h (PROP_gimple_lomp): Define.
12882 (pass_lower_omp): Declare.
12883 * diagnostic.h (debug_tree_chain): Declare.
12884 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12886 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12887 * builtins.c (build_string_literal): Make extern.
12888 * gcc.c (include_spec_function): New.
12889 (static_spec_functions): Add it.
12890 (main): Move load of libgomp.spec ...
12891 (LINK_COMMAND_SPEC): ... here.
12892 (link_gomp_spec): New.
12893 (static_specs): Include it.
12894 (LINK_COMMAND_SPEC): Add link_gomp.
12895 (GOMP_SELF_SPECS): New.
12896 (driver_self_specs): Include it.
12897 (switch_matches): Don't mark inline.
12898 (main): Load libgomp.spec.
12899 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12900 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12901 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12902 * tree-gimple.h (enum omp_parallel): Declare.
12903 (determine_parallel_type): Declare.
12904 (omp_firstprivatize_variable): Declare.
12905 (omp_reduction_init): Declare.
12906 (diagnose_omp_structured_block_errors): Declare.
12907 (struct walk_stmt_info): Add want_return_expr.
12908 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12909 (find_omp_clause): Declare.
12910 (insert_field_into_struct): Declare.
12911 (struct walk_stmt_info): Move from tree-nested.c
12912 (walk_stmts): Declare.
12913 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12915 * cgraphunit.c (cgraph_lower_function): Make static.
12916 (cgraph_finalize_pending_functions): New.
12917 (cgraph_finalize_function): Call it.
12918 (cgraph_finalize_compilation_unit): Likewise.
12919 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12920 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12921 (BT_FN_UINT_UINT): New.
12922 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12923 DEF_FUNCTION_TYPE_VAR_4): Document.
12924 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12925 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12926 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12927 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12928 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12929 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12930 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12931 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12932 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12933 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12934 into separate files.
12935 (DEF_GOMP_BUILTIN): New.
12936 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12937 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12938 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12939 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12940 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12941 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12942 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12943 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12944 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12945 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12946 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12947 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12948 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12949 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12950 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12951 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12952 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12953 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12954 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12955 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12956 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12957 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12958 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12959 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12960 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12961 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12962 * sync-builtins.def: New file, moved from builtins.def.
12963 * omp-builtins.def: New file, moved from builtins.def.
12964 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12965 * gimple-low.c (lower_function_body): Clear data.
12966 (lower_stmt): Do not handle COMPOUND_EXPR.
12967 Remove call to print_node_brief.
12968 * c-tree.h (c_finish_omp_clauses): New prototype.
12969 (C_DECL_THREADPRIVATE_P): Define.
12970 (lookup_name_no_remap, c_omp_remap_private): Remove
12971 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12972 (check_for_loop_decls): Update decl.
12973 (lookup_name_no_remap, c_omp_remap_private): Declare.
12974 (build_indirect_ref, build_modify_expr, pushdecl,
12975 pushdecl_top_level): Move to c-common.h.
12976 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12977 before the switch, but just in the 2 places that need it.
12978 * c-decl.c (diagnose_mismatched_decls): Do not check for
12979 mismatched thread-local attributes when OLDDECL is marked
12980 threadprivate and NEWDECL has no thread-local attributes.
12981 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12982 (c_gimple_diagnostics_recursively): Rename from
12983 c_warn_unused_result_recursively. Invoke
12984 diagnose_omp_structured_block_errors.
12985 (check_for_loop_decls): Return a singular decl found.
12986 * langhooks.c (lhd_omp_predetermined_sharing): Return
12987 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12988 (lhd_omp_firstprivatize_type_sizes): New.
12989 (lhd_omp_assignment): New.
12990 (lhd_omp_predetermined_sharing): New.
12991 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12992 (struct lang_hooks_for_types): Add
12993 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12994 omp_predetermined_sharing, omp_disregard_value_expr,
12995 omp_private_debug_clause, omp_clause_default_ctor,
12996 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12997 (c_finish_omp_clauses): New.
12998 (c_finish_bc_stmt): Diagnose break within omp for.
12999 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13000 (build_unary_op): Return error_mark after reporting
13002 (build_modify_expr): Likewise.
13003 * gimplify.c: Include optabs.h and pointer-set.h.
13004 (enum gimplify_omp_var_data): Declare.
13005 (struct gimplify_omp_ctx): Declare.
13006 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13008 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13009 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13010 (splay_tree_compare_decl_uid): New.
13011 (new_omp_context): New.
13012 (delete_omp_context): New.
13013 (gimple_add_tmp_var): Call omp_add_variable.
13014 (gimplify_bind_expr): Likewise.
13015 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13016 true, disregard DECL_VALUE_EXPR on the decl if any.
13017 (gimplify_expr_in_ctx): New.
13018 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13019 omp_add_variable, omp_notice_variable, omp_is_private
13020 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13021 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13022 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13023 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13024 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13025 gimplify_omp_atomic): New.
13026 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13027 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13028 OMP_CRITICAL and OMP_ATOMIC.
13029 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13030 * c-pragma.h (enum pragma_kind): Add
13031 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13032 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13033 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13034 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13035 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13036 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13037 PRAGMA_OMP_THREADPRIVATE.
13038 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13039 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13040 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13041 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13042 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13043 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13044 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13045 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13046 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13047 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13048 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13049 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13050 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13052 (struct nesting_info): Add field_map,
13053 suppress_expansion, debug_var_chain.
13054 (create_nesting_tree): Initialize them.
13055 (lookup_field_for_decl): Use field_map.
13056 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13057 (convert_local_omp_clauses): New.
13058 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13059 (walk_body): Split out of walk_function.
13060 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13061 (convert_nonlocal_reference): Handle omp statements.
13062 (convert_local_reference): Likewise.
13063 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13064 (unnest_nesting_tree): New.
13065 (lower_nested_functions): Call it.
13066 (insert_field_into_struct): Make extern.
13067 (struct walk_stmt_info): Move to tree-gimple.h.
13068 (walk_stmts): Make extern.
13069 * omp-builtins.def: New file.
13070 * tree-iterator.c (expr_only): Clarify comment.
13071 * c-common.h (pushdecl_top_level, pushdecl,
13072 build_modify_expr, build_indirect_ref,
13073 c_finish_omp_master, c_finish_omp_critical,
13074 c_finish_omp_ordered, c_finish_omp_barrier,
13075 c_finish_omp_atomic, c_finish_omp_flush,
13076 c_finish_omp_for, c_split_parallel_clauses,
13077 omp_clause_default_kind, c_omp_sharing_predetermined,
13078 c_omp_remap_decl): Declare.
13079 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13080 (OBJS-common): Add omp-low.o.
13081 (c-omp.o, omp-low.o): Add.
13082 (gimplify.o): Add dependency on $(OPTABS_H).
13083 (GTFILES): Add omp-low.c.
13084 (gt-stringpool.h): Add.
13085 * tree-cfg.c (set_bb_for_stmt): Do not update the
13086 block-to-labels map if we are currently expanding to RTL.
13087 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13089 Handle IDENTIFIER_NODE.
13090 (tree_verify_flow_info): Do not ICE when emitting error
13091 messages about invalid labels.
13092 (dump_function_to_file): Reset CFUN before emitting the body
13094 (debug_function): New.
13095 * passes.c (init_optimization_passes): Schedule
13097 * langhooks-def.h (lhd_omp_predetermined_sharing,
13098 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13100 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13101 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13102 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13103 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13104 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13105 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13106 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13107 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13108 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13109 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13110 (LANG_HOOK_DECLS): Use them.
13112 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13113 Richard Henderson <rth@redhat.com>
13114 Jakub Jelinek <jakub@redhat.com>
13115 Diego Novillo <dnovillo@redhat.com>
13117 * c-parser.c (pragma_omp_clause): Define.
13118 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13119 (c_parser_compound_statement): Likewise.
13120 (c_parser_statement): Likewise.
13121 (c_parser_pragma): Handle omp pragmas.
13122 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13123 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13124 (c_parser_omp_clause_name, check_no_duplicate_clause,
13125 c_parser_omp_variable_list,
13126 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13127 c_parser_omp_clause_copyprivate,
13128 c_parser_omp_clause_default,
13129 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13130 c_parser_omp_clause_lastprivate,
13131 c_parser_omp_clause_nowait,
13132 c_parser_omp_clause_num_threads,
13133 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13134 c_parser_omp_clause_reduction,
13135 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13136 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13137 c_parser_omp_atomic, c_parser_omp_barrier,
13138 c_parser_omp_critical, c_parser_omp_flush,
13139 c_parser_omp_for_loop, c_parser_omp_for,
13140 c_parser_omp_master, c_parser_omp_ordered,
13141 c_parser_omp_sections_scope, c_parser_omp_sections,
13142 c_parser_omp_parallel, c_parser_omp_single,
13143 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13144 * c-pragma.c (init_pragma): Do omp pragma registration here.
13145 * c.opt (fopenmp): New flag.
13147 2006-01-18 Eric Christopher <echristo@apple.com>
13149 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13150 * config/darwin.h (GOMP_SELF_SPECS): Define.
13152 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13154 * rtl.h: Remove the prototype for reg_alloc.
13156 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13159 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13160 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13161 sjlj and dwarf2 exception handling.
13162 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13163 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13164 * pa/pa.c (function_value): Treat complex and vector types as
13166 (function_arg): Likewise. Only pass scalar floats in the floating
13167 point argument registers.
13168 * pa/t-slibgcc-dwarf-ver: New file.
13169 * pa/t-slibgcc-sjlj-ver: New file.
13170 * pa/t-slibgcc-elf-ver: Delete file.
13172 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13174 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13175 unlikely_test_section_p test.
13177 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13179 * mode-switching.c (optimize_mode_switching): Make it static.
13180 * basic-block.h: Remove the prototype for
13181 optimize_mode_switching.
13183 * modulo-sched.c (sms_schedule): Make it static.
13184 * rtl.h: Remove the prototype for sms_schedule.
13186 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13187 * rtl.h: Remove the prototype for gcse_after_reload_main.
13189 * reg-stack.c (reg_to_stack): Make it static.
13190 * rtl.h: Remove the prototype for reg_to_stack.
13192 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13194 * rtl.h: Remove the prototypes for regrename_optimize and
13195 copyprop_hardreg_forward.
13197 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13199 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13200 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13201 Test against the appropriate null constant for the mode.
13202 If 'fixup_overlap' is true, swap the operands if they overlap.
13203 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13204 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13205 alpha_split_tmode_pair and adjust for above change.
13206 * config/alpha/alpha.md (movtf_internal): Adjust call to
13207 alpha_split_tfmode_pair and rely on it to swap the operands.
13208 (movti_internal): New insn and post-reload splitter.
13209 (movti): New expander.
13211 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13213 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13216 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13218 * rtlanal.c (global_reg_mentioned_p_1,
13219 global_reg_mentioned_p): Remove.
13220 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13222 * flow.c (initialize_uninitialized_subregs): Make it static.
13223 * rtl.h: Remove the prototype for
13224 initialize_uninitialized_subregs.
13226 * function.c (instantiate_virtual_regs): Make it static.
13227 * function.h: Remove the prototype for
13228 instantiate_virtual_regs.
13230 * regmove.c (regmove_optimize, combine_stack_adjustments):
13232 * rtl.h: Remove the prototypes for regmove_optimize and
13233 combine_stack_adjustments.
13235 2006-01-17 Roger Sayle <roger@eyesopen.com>
13237 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13238 (size_cost): Encode costs in bytes so that a reg-reg addition is
13239 equivalent to COSTS_N_INSNS(1).
13240 (override_options): Use the size_cost.branch_cost as the default
13241 ix86_branch_cost when optimizing for size.
13243 2006-01-18 Ben Elliston <bje@au.ibm.com>
13245 * Makefile.in (D32PBIT_FUNCS): New.
13246 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13247 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13248 D64PBIT_FUNCS and D128PBIT_FUNCS.
13249 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13250 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13252 (decnumber_dep): Define.
13253 * doc/libgcc.texi (Decimal float library routines): New node.
13254 * config/dfp-bit.h, config/dfp-bit.c: New files.
13256 2006-01-18 Ben Elliston <bje@au.ibm.com>
13258 * expr.c (emit_move_change_mode): Always adjust addresses, not
13259 just during reload. Copy replacements only during reload.
13260 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13261 emit_move_via_integer.
13263 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13265 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13266 instead of $(srcdir) and ${srcdir}.
13268 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13271 PR middle-end/11135
13272 * arm.h (struct machine_function): Add pic_reg.
13273 * arm.c (arm_pic_register): Make unsigned.
13274 (arm_override_options): Only set arm_pic_register if
13275 TARGET_SINGLE_PIC_BASE.
13276 (use_return_insn): Only test for a pic register if it is fixed.
13277 (arm_compute_save_reg0_reg12_mask): Likewise.
13278 (thumb_compute_save_reg_mask): Likewise.
13279 (legitimate_pic_operand): Factor out some known invariants.
13280 (legitimize_pic_address): If we don't have a fixed pic register,
13281 then set up a pseudo in the function entry sequence. Handle the
13282 pic base being in a pseudo.
13283 (arm_load_pic_register): Handle the pic register being in a pseudo.
13284 (arm_expand_prologue): Only set up the pic register if it is fixed.
13285 (thumb_expand_prologue): Likewise.
13286 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13287 (pic_load_addr_based_insn): Likewise.
13288 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13291 2006-01-18 Ben Elliston <bje@au.ibm.com>
13293 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13294 decimal float modes for all floating point registers.
13296 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13297 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13299 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13302 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13303 even when the pointer is not NULL.
13305 2006-01-16 Ian Lance Taylor <ian@airs.com>
13307 * common.opt (ftoplevel-reorder): New option.
13308 * cgraph.c (cgraph_asm_nodes): New global variable.
13309 (cgraph_asm_last_node): New static variable.
13310 (cgraph_order): New global variable.
13311 (cgraph_create_node): Set new order field.
13312 (cgraph_varpool_node): Likewise.
13313 (decide_is_variable_needed): Return true if not
13314 flag_toplevel_reorder.
13315 (cgraph_add_asm_node): New function.
13316 * cgraph.h (struct cgraph_node): Add order field.
13317 (struct cgraph_varpool_node): Add order field.
13318 (struct cgraph_asm_node): Define.
13319 (cgraph_asm_nodes, cgraph_order): Declare.
13320 (cgraph_add_asm_node): Declare.
13321 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13323 (cgraph_varpool_assemble_pending_decls): Call it.
13324 (cgraph_output_pending_asms): New static function.
13325 (cgraph_finalize_compilation_unit): Call it.
13326 (struct cgraph_order_sort): Define.
13327 (cgraph_output_in_order): New static function.
13328 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13329 !flag_toplevel_reorder case.
13330 * c-parser.c: Include "cgraph.h".
13331 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13333 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13334 than -fno-unit-at-a-time.
13335 * doc/invoke.texi (Option Summary): Mention
13336 -fno-toplevel-reorder.
13337 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13338 -funit-at-a-time documentation.
13340 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13341 Kazu Hirata <kazu@codesourcery.com>
13343 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13345 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13347 * Makefile.in (FUNCTION_H): New. Use it instead of
13348 function.h throughout the file.
13349 * function.h: Include tree.h.
13351 2006-01-17 Ben Elliston <bje@au.ibm.com>
13353 * recog.c: Separate some functions with whitespace.
13355 2006-01-16 Richard Henderson <rth@redhat.com>
13357 Merge from gomp branch:
13358 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13359 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13360 and rename from struct inline_data. Rename callee* to dst*;
13361 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13362 transform_new_cfg, transform_return_to_modify, and
13363 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13365 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13366 (copy_decl_for_dup): Remove.
13367 * tree-inline.c (struct inline_data): Move to header.
13368 (insert_decl_map): Export.
13369 (remap_decl): Update for member name changes. Use copy_decl hook.
13370 Allow for replacement to be a non-decl. Remove dead code.
13371 (remap_type_1): Check for existing mapping.
13372 (remap_type): Export.
13373 (remap_decls): Update for member name changes.
13374 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13375 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13376 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13377 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13378 (tree_function_versioning, build_duplicate_type): Likewise.
13379 (copy_body_r): Likewise. Export.
13380 (copy_decl_for_dup): Split into ...
13381 (copy_decl_for_dup_finish, copy_decl_to_var,
13382 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13383 (replace_ref_tree, inlining_p): Remove.
13385 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13387 * ifcvt.c (if_convert): Make it static.
13388 * rtl.h: Remove the prototype for if_convert.
13390 * local-alloc.c (local_alloc): Make it static.
13391 * rtl.h: Remove the prototype for local_alloc.
13393 * loop.c (loop_optimize): Make it static.
13394 * cfgloop.h: Remove the prototype for loop_optimize.
13397 2006-01-16 DJ Delorie <dj@redhat.com>
13399 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13402 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13404 * pa.md: Disparage copies between general and floating-point registers
13405 in 32-bit move patterns.
13407 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13410 * Makefile.in (check-%): Depend on site.exp instead of
13411 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13414 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13416 * global.c (global_alloc): Make it static.
13417 * rtl.h: Remove the prototype for global_alloc.
13419 2006-01-16 Richard Guenther <rguenther@suse.de>
13421 * tree-ssa-alias.c (struct used_part): Add write_only field.
13422 (get_or_create_used_part_for): Initialize it to true.
13423 (create_overlap_variables_for): Don't create structure variables
13424 for structures that only are written to.
13425 (find_used_portions): Handle MODIFY_EXPR to track whether a
13426 structure is only written to.
13428 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13430 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13432 * basic-block.h: Remove the prototype for
13433 partition_hot_cold_basic_blocks.
13435 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13437 * cppspec.c (lang_specific_spec_functions): Remove.
13438 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13439 * gcc.h (lang_specific_spec_functions): Remove.
13440 * gccspec.c (lang_specific_spec_functions): Remove.
13442 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13444 * combine.c (record_value_for_reg): Invalidate registers
13446 (record_dead_and_set_regs_1): Likewise, by passing them to
13447 record_value_for_reg.
13448 (record_dead_and_set_regs): Invalidate stores made by a
13449 call. We do not combine across a call, but we still
13450 relied on equivalences.
13452 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13454 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13455 vrp_int_const_binop returning non-constant nodes.
13457 2006-01-16 Paul Brook <paul@codesourcery.com>
13459 * config/m68k/m68k.c (output_move_const_into_data_reg):
13460 Output correct mnemonic for mvz and mvs.
13462 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13464 * rtl-factoring.c: Add sequence abstraction algorithm.
13465 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13466 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13468 (block_has_preserve_label): New function.
13469 * common.opt: Register new pass.
13470 * Makefile.in: Ditto.
13472 * timevar.def: Ditto.
13473 * tree-pass.h: Ditto.
13474 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13475 * rtl.h (make_jump_insn_raw): Add forward decl.
13476 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13478 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13479 Roger Sayle <roger@eyesopen.com>
13481 * fold-const.c (fold_minmax): New static function.
13482 (fold_binary) <MIN_EXPR>: Call it.
13483 <MAX_EXPR>: Likewise.
13484 * stor-layout.c (place_field): Use DECL_SIZE consistently
13485 in the computation of the new record size.
13487 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13489 * cse.c (cse_condition_code_reg): Make it static.
13490 * rtl.h: Remove the prototype for cse_condition_code_reg.
13492 * combine.c (combine_instructions): Make it static.
13493 * rtl.h: Remove the prototype for combine_instructions.
13495 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13498 * tree.c (get_file_function_name_long): Concatenate the first global
13499 object name with a string derived from the input filename of the object
13502 2006-01-16 Ben Elliston <bje@au.ibm.com>
13504 * config/i386/winnt-stubs.c: Update FSF address.
13505 * config/xtensa/ieee754-df.S: Ditto.
13506 * config/xtensa/ieee754-sf.S: Ditto.
13508 2006-01-14 Ian Lance Taylor <ian@airs.com>
13510 * ifcvt.c (noce_init_if_info): New static function, broken out of
13511 noce_process_if_block.
13512 (noce_process_if_block): Call noce_init_if_info.
13513 (check_cond_move_block): New static function.
13514 (cond_move_process_if_block): New static function.
13515 (process_if_block): Call cond_move_process_if_block.
13517 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13519 * cselib.c (hash_table): Rename to cselib_hash_table.
13520 (cselib_clear_table, discard_useless_values,
13521 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13522 cselib_init, cselib_finish): Adjust uses of hash_table.
13524 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13526 PR tree-optimization/25485
13527 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13528 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13529 is known to be false and true, respectively.
13531 2006-01-14 Richard Guenther <rguenther@suse.de>
13533 PR tree-optimization/22548
13534 PR tree-optimization/22555
13535 PR tree-optimization/22501
13536 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13537 * params.def (salias-max-array-elements): New parameter.
13538 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13539 * doc/invoke.texi (salias-max-array-elements): Document.
13540 * tree-flow-inline.h (var_can_have_subvars): We also handle
13542 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13544 * tree-ssa-structalias.c (params.h): Include.
13545 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13546 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13547 (get_constraint_for): For ADDR_EXPR operating on something
13548 containing an ARRAY_REF, add all subvars to the solution.
13549 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13550 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13551 for creating MUST_DEFs.
13552 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13554 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13556 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13558 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13559 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13560 number_of_iterations_le): New functions.
13561 (number_of_iterations_special): Removed.
13562 (number_of_iterations_exit): Do not use number_of_iterations_special.
13563 * tree.c (unsigned_type_for): Always return integer type.
13565 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13566 Richard Guenther <rguenther@suse.de>
13568 PR rtl-optimization/24257
13569 * gcse.c (find_moveable_store): Only consider a store movable
13570 when the SET_SRC of the insn can be assigned to a register.
13572 2006-01-14 Ian Lance Taylor <ian@airs.com>
13574 * tree.c (tree_not_class_check_failed): New function.
13575 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13576 (tree_not_class_check_failed): Declare.
13578 2006-01-13 Ian Lance Taylor <ian@airs.com>
13580 * reload1.c (do_output_reload): Add assertion rejecting a
13583 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13585 * combine.c (struct reg_stat): Add new fields truncation_label and
13587 (record_value_for_reg): Reset truncated_to_mode.
13588 (record_truncated_value): New function.
13589 (check_promoted_subreg): Call it. Rename to check_conversions.
13590 (combine_instructions): Rename check_promoted_subreg to
13592 (reg_truncated_to_mode): New function.
13593 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13594 (gen_lowpart_or_truncate): New function.
13595 (force_to_mode): Use it instead of gen_lowpart.
13597 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13599 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13600 VAR is a tag, not its type tag.
13602 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13604 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13605 alternatives to match style of other entries.
13606 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13608 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13610 PR tree-optimization/25771
13611 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13614 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13617 * tree-inline.c (declare_return_variable): If the return variable
13618 was marked as a non gimple complex, set the return slot variable
13619 to be a non gimple comple variable.
13621 2006-01-13 Richard Guenther <rguenther@suse.de>
13623 * builtins.c (expand_builtin_sincos): New function.
13624 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13626 (expand_builtin): Expand sincos using expand_builtin_sincos.
13628 2006-01-12 DJ Delorie <dj@redhat.com>
13630 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13631 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13632 so that constant shifts can be split.
13633 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13634 (m32c_valid_pointer_mode): Make static.
13635 (shift_gen_func_for): New.
13636 (m32c_prepare_shift): Use it. Split large const shifts into
13638 * config/m32c/predicates.md (shiftcount_operand): Allow more
13640 (longshiftcount_operand): New.
13641 * doc/md.texi (Machine Constraints): Document In6.
13643 2006-01-13 Ben Elliston <bje@au.ibm.com>
13645 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13646 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13649 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13651 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13652 to try to avoid clobbering pieces of structures when we know
13653 something about the whole structure.
13654 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13656 2006-01-13 Ben Elliston <bje@au.ibm.com>
13658 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13659 return in memory, as this is no limitation is no longer present.
13661 2006-01-12 DJ Delorie <dj@redhat.com>
13663 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13664 mova with fb, and for fb+0 -> An.
13666 * config/m32c/mov.md (peephole2): Fix enabling logic.
13668 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13669 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13670 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13671 FINI_ARRAY_SECTION_ASM_OP): Define.
13673 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13675 (m32c_legitimize_reload_address): New logic to reload FB to An.
13676 (m32c_output_reg_push): Add newline.
13677 (m32c_output_reg_pop): Likewise.
13679 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13681 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13683 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13685 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13687 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13689 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13692 2006-01-11 Ben Elliston <bje@au.ibm.com>
13694 * rtlanal.c (find_reg_note): Assert insn is not null.
13696 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13698 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13701 2006-01-11 Jeff Law <law@redhat.com>
13703 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13705 (mark_threaded_blocks, register_jump_thread): New functions.
13706 (thread_through_all_blocks): Remove unwanted argument. No
13707 longer rely on e->aux to communicate thread target info.
13708 Call mark_threaded_blocks. Release the threaded_blocks
13709 bitmap and threaded_edges vector when complete.
13710 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13711 (threaded_blocks): Remove.
13712 (tree_ssa_dominator_optimize): Remove initialization and
13713 finalization of threaded_blocks. Simplify call to
13714 thread_through_all_blocks.
13715 (thread_across_edge): Call register_jump_thread rather than
13716 storing thread information into e->aux.
13717 (free_all_edge_infos): Simplify now that e->aux is no longer
13718 used to communicate with thread_through_all_blocks.
13719 * tree-flow.h (thread_through_all_blocks): Update prototype.
13720 (register_jump_thread): Prototype.
13722 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13724 * df-core.c (df_compact_blocks, df_bb_replace): Use
13725 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13727 2006-01-11 Richard Guenther <rguenther@suse.de>
13729 PR tree-optimization/25734
13730 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13731 stop propagation after successful propagation to the LHS.
13733 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13735 * basic-block.h (control_flow_graph): Change the type of
13736 x_basic_block_info to VEC(basic_block,gc) *.
13737 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13739 (SET_BASIC_BLOCK): New.
13740 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13741 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13742 * cfgbuild.c (find_basic_blocks): Likewise.
13743 * cfglayout.c (fixup_reorder_chain): Likewise.
13744 * cfgrtl.c (create_basic_block_structure,
13745 rtl_create_basic_block): Likewise.
13746 * ifcvt.c (find_if_case_1): Likewise.
13747 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13750 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13752 * Makefile.in: Removed rotted odf.c entry.
13754 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13757 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13758 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13759 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13760 output pattern modifier, not %e.
13761 * config/cris/cris.c (cris_op_str): Update comment about pattern
13763 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13764 before falling through into...
13765 <case 'E'>: Redefined from old 'e' case.
13767 2006-01-11 Jan Hubicka <jh@suse.cz>
13770 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13772 2006-01-11 Jan Hubicka <jh@suse.cz>
13774 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13775 * i386.c (x86_decompose_lea): Kill.
13776 (ix86_rtx_costs): Kill.
13778 2006-01-11 Jan Hubicka <jh@suse.cz>
13780 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13781 * cgraph.h (cgraph_node): Add inline_decl.
13782 (cgraph_insert_node_to_hashtable): Declare.
13783 (save_inline_function_body): Declare.
13784 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13786 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13787 (cgraph_function_versioning): Update call of tree_function_versioning.
13788 (save_inline_function_body): New function.
13789 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13790 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13791 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13792 (cgraph_default_inline_p): Likewise.
13793 (cgraph_decide_inlining_incrementally): Likewise.
13794 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13795 (copy_bb): Kill saving; do updating of clones.
13796 (copy_cfg_body): Kill saving.
13797 (initialize_inlined-parameters): Likewise.
13798 (expand_call_inline): Likewise.
13800 (tree_function_versioning): New parameter "update_clones".
13801 (inlining_p): Kill saving.
13802 * tree-inline.h (tree_function_versioning): Update prototype.
13803 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13806 2006-01-11 Ian Lance Taylor <ian@airs.com>
13808 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13809 Allow undoing set of machine mode.
13810 (do_SUBST): Use enums instead of is_int.
13811 (do_SUBST_MODE): New function.
13812 (SUBST_MODE): New macro.
13813 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13814 reg and trying to replace reg_regno_rtx with a new register.
13815 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13816 (simplify_set): Use SUBST_MODE.
13817 (distribute_notes): Remove code that tried to update reg notes
13818 for regno_reg_rtx changes.
13820 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13822 PR tree-optimization/23109
13823 PR tree-optimization/23948
13824 PR tree-optimization/24123
13826 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13827 * tree-cfg.c (single_noncomplex_succ): New.
13828 * tree-flow.h (single_noncomplex_succ): Declare it.
13829 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13830 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13831 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13832 insert_bb, register_division_in, insert_reciprocals,
13833 replace_reciprocal, free_bb): New.
13834 (execute_cse_reciprocals_1): Rewritten.
13835 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13836 Do not commit any edge insertion. Always compute dominators and
13837 create the allocation pool.
13838 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13839 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13840 * targhooks.c (default_min_divistions_for_recip_mul): New.
13841 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13842 * passes.c (init_optimization_passes): Run recip after tree loop
13844 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13846 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13847 Kenneth Zadeck <zadeck@naturalbridge.com>
13849 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13850 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13851 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13852 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13853 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13854 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13855 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13856 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13857 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13858 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13859 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13860 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13861 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13862 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13863 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13864 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13865 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13866 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13867 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13868 DF_SCAN_POST_ALLOC): New macros.
13869 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13870 df_free_bb_function, df_local_compute_function, df_init_function,
13871 df_dataflow_function, df_confluence_function_0,
13872 df_confluence_function_n, df_transfer_function,
13873 df_finalizer_function, df_free_function, df_dump_problem_function,
13874 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13875 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13876 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13877 df_urec_bb_info, ) New types.
13878 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13880 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13881 df_analyze_simple_change_some_blocks,
13882 df_analyze_simple_change_one_block, df_compact_blocks,
13883 df_bb_replace, df_bb_regno_last_use_find,
13884 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13885 df_insn_regno_def_p, df_find_def, df_find_use,
13886 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13887 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13888 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13889 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13890 debug_df_chain, df_get_dependent_problem, df_chain_create,
13891 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13892 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13893 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13894 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13895 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13896 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13897 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13898 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13899 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13900 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13901 df_reorganize_refs, df_set_state, df_hard_reg_init,
13902 df_read_modify_subreg_p) New public functions.
13903 * df-core.c: The core dataflow solver and glue routines for rtl
13905 (df_init, df_add_problem, df_set_blocks, df_finish,
13906 df_hybrid_search_forward, df_hybrid_search_backward,
13907 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13908 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13909 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13910 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13911 df_reg_defined, df_find_use, df_reg_used, df_dump,
13912 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13913 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13914 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13915 debug_df_useno, reset_df_after_reload): New functions.
13916 * df-scan.c: The scanning fuctions, once in df.c, completely
13917 rewritten so that they now fully model the functionality of
13918 register usage at the backend.
13919 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13920 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13921 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13922 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13923 df_get_artificial_defs, df_get_artificial_uses,
13924 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13925 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13926 df_refs_delete, df_reorganize_refs, df_set_state,
13927 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13928 df_def_record_1, df_defs_record, df_uses_record,
13929 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13930 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13931 df_record_exit_block_uses, df_hard_reg_init): New functions.
13933 * df-problems.c: Seven concrete dataflow problems that use the
13934 scanning in df-scan.c and are solved by the engine in df-core.c.
13935 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13936 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13937 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13938 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13939 df_ru_free_bb_info, df_ru_alloc,
13940 df_ru_bb_local_compute_process_def,
13941 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13942 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13943 df_ru_transfer_function, df_ru_free, df_ru_dump,
13944 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13945 df_rd_free_bb_info, df_rd_alloc,
13946 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13947 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13948 df_rd_transfer_function, df_rd_free, df_rd_dump,
13949 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13950 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13951 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13952 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13953 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13954 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13955 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13956 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13957 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13958 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13959 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13960 df_urec_mark_reg_use_for_earlyclobber,
13961 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13962 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13963 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13964 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13965 df_chain_create_bb_process_use, df_chain_create_bb,
13966 df_chain_finalize, df_chain_free, df_chains_dump,
13967 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13968 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13969 df_reg_lifetime): New functions.
13970 * df.c: Deleted file.
13971 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13972 consistent with new df api.
13973 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13974 rest_of_handle_sms): Ditto.
13975 * web.c (unionfind_union, union_defs, entry_register, web_main):
13977 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13978 invariant_expr_equal_p, find_defs, check_dependencies,
13979 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13980 free_inv_motion_data, move_loop_invariants): Ditto.
13981 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13982 Update dependencies.
13983 (odf.c): Added defective entry that was deleted later in day.
13984 * sched-deps.c (sched_analyze_1): Ditto.
13986 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13988 * tree-ssa-operands.c (get_expr_operands): Record addressable
13989 variables directly. Do not call add_stmt_operands for CONST_DECLs
13991 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13992 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13994 2006-01-11 Ben Elliston <bje@au.ibm.com>
13996 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13997 function returns true in the positive case.
13999 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14002 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14003 for SI, DI, SF and DF modes. Add alternatives to copy between
14004 general and floating point registers to the 32-bit patterns.
14005 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14006 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14007 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14008 generating 64-bit code.
14009 * config/pa/pa.c (output_move_double): Handle copies between general
14010 and floating registers.
14012 2006-01-10 Stuart Hastings <stuart@apple.com>
14014 * config/i386/i386.md (set_got): Update.
14015 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14016 (builtin_setjmp_receiver): Mach-O support.
14017 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14018 (GOT_SYMBOL_NAME): Define.
14019 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14020 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14021 * config/i386/i386.c (override_options): Revise for Darwin.
14022 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14023 support. (darwin_x86_file_end): New. (output_set_got): Add label
14024 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14025 * config/i386/i386-protos.h (output_set_got): Likewise.
14026 * config/darwin.c (machopic_legitimize_pic_address): Update
14029 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14031 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14032 when MODE isn't BLKmode.
14034 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14036 PR rtl-optimization/25367
14037 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14039 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14042 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14043 for a negative bound.
14045 2006-01-10 Richard Guenther <rguenther@suse.de>
14047 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14048 Never override with anything constraint.
14050 2006-01-10 Jan Beulich <jbeulich@novell.com>
14052 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14053 256 bits when optimize_size.
14055 2006-01-10 Jan Beulich <jbeulich@novell.com>
14057 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14059 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14060 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14063 2006-01-10 Ben Elliston <bje@au.ibm.com>
14065 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14067 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14068 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14069 (USE_FP_FOR_ARG): Reject decimal float modes.
14070 (function_arg_advance): Likewise.
14071 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14072 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14073 point types in AltiVec vectors.
14074 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14075 (rs6000_libcall_value): Likewise.
14077 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14079 * config/xtensa/ieee754-df.S: New file.
14080 * config/xtensa/ieee754-sf.S: New file.
14081 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14082 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14083 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14085 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14087 * config/sh/predicates.md (binary_float_operator,
14088 binary_logical_operator, commutative_float_operator,
14089 equality_comparison_operator, greater_comparison_operator,
14090 less_comparison_operator, logical_operator,
14091 noncommutative_float_operator, shift_operator,
14092 symbol_ref_operand, unary_float_operator): Remove redundant
14095 2006-01-09 Jeff Law <law@redhat.com>
14097 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14098 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14099 now unused arguments. Callers updated.
14100 (eliminate_redundant_computations): Remove now unused arguments,
14102 (local_fold): Remove, no longer used.
14103 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14105 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14106 (simplify_cond): New function.
14107 (forward_propagate_into_cond): Call simplify_cond.
14109 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14111 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14112 (*vec_extractv2di_1_sse): New.
14114 2006-01-09 Ben Elliston <bje@au.ibm.com>
14116 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14118 2006-01-08 Richard Guenther <rguenther@suse.de>
14120 * tree-ssa-structalias.c (get_constraint_for): Remove
14121 anyoffset argument.
14122 (get_constraint_for_component_ref): Likewise.
14123 (do_deref): Likewise.
14124 (get_constraint_for): Likewise.
14125 (do_structure_copy): Likewise.
14126 (handle_ptr_arith): Likewise.
14127 (find_func_aliases): Likewise. Remove unused need_anyoffset
14130 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14131 Kaz Kojima <kkojima@gcc.gnu.org>
14133 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14134 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14135 (EXTRA_CONSTRAINT_C16): Remove.
14136 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14137 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14138 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14139 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14140 constants of SHmedia. Handle nested constant expressions of
14142 (andcosts): Fix the costs for SHmedia constants.
14143 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14144 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14145 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14146 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14147 (movv4hi_i, movv2si_i): Likewise.
14148 (movsi_const): Adjust the second operand of ior so to match with
14149 the Csu constraint.
14150 (movdi_const, movdi_const_32bit): Likewise.
14151 (movdi_const_16bit+1): Don't sign-extend LOW.
14152 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14154 (*double_shori): Fix the split condition. Use GEN_INT instead
14155 of get_int_mode calls. Mask lower 16-bit of the argument of
14157 (sym2GOTPLT): Remove.
14158 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14160 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14161 instead of EXTRA_CONSTRAINT_C16.
14163 2006-01-07 Ian Lance Taylor <ian@airs.com>
14164 David Edelsohn <edelsohn@gnu.org>
14166 PR rtl-optimization/25662
14167 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14168 for constant operands instead of simplify_gen_binary.
14169 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14170 after trying simplify_binary_operation
14172 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14174 * tree.c (iterative_hash_expr): Hash decls based on UID.
14176 2006-01-06 Eric Christopher <echristo@apple.com>
14178 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14179 (TARGET_UNWIND_EMIT): Fix spelling.
14180 * target.h (gcc_target): Add except_table_label.
14181 * except.c (output_function_exception_table): Use.
14182 * varasm.c (default_emit_except_table_label): New.
14183 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14185 (asm_out): Add here.
14186 * output.h (default_emit_except_table_label): Prototype.
14187 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14188 * config/darwin.c (darwin_emit_except_table_label): Define.
14189 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14191 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14193 PR tree-optimization/18527
14194 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14195 number_of_iterations_special, number_of_iterations_exit):
14196 Move base and step of an iv to a single structure. Add
14197 no_overflow flag, and use it in # of iterations analysis.
14198 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14199 folded_casts argument.
14200 (simple_iv): Pass base and step in a structure. Set no_overflow
14202 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14203 Evaluate expensiveness of computing # of iterations instead of
14204 the final expression.
14205 * tree-scalar-evolution.h (affine_iv): New structure.
14206 (simple_iv): Declaration changed.
14207 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14208 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14209 find_givs_in_stmt): Changed due to simple_iv change.
14211 2006-01-06 Jeff Law <law@redhat.com>
14214 * tree-cfg.c (bsi_replace): Rename final argument from
14215 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14216 change (stmt -> orig_stmt).
14217 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14218 (bsi_remove): Add new argument. Remove EH information
14220 (verify_eh_throw_table_statements): New function.
14221 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14223 * tree-optimize.c (execute_free_cfg_annotations): Verify
14224 the EH throw statement table after removing annotations.
14225 * except.h (verify_eh_throw_table_statements): Prototype.
14226 * tree-flow.h (bsi_remove): Update prototype.
14227 * tree-vrp.c (remove_range_assertions): Add new argument to
14229 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14230 * tree-complex.c (expand_complex_div_wide): Likewise.
14231 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14232 * tree-tailcall.c (eliminate_tailcall): Likewise.
14233 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14234 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14235 * tree-nrv.c (tree_nrv): Likewise.
14236 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14237 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14238 (combine_blocks): Likewise.
14239 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14240 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14241 (cleanup_control_flow): Likewise.
14242 (remove_forwarder_block): Likewise.
14243 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14244 * tree-sra.c (sra_replace): Likewise.
14245 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14246 (forward_propagate_single_use_vars): Likewise.
14247 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14248 * tree-inline.c (expand_call_inline): Likewise.
14249 * tree-vect-transform.c (vect_transform_loop): Likewise.
14250 * tree-outof-ssa.c (rewrite_trees): Likewise.
14251 * tree-cfg.c (make_goto_expr_edges): Likewise.
14252 (cleanup_dead_labels): Likewise.
14253 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14254 (bsi_move_before, bsi_move_after): Likewise.
14255 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14256 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14258 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14261 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14263 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14264 on non gimple variables. Also add checks at the top for decls and
14266 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14268 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14269 and IMAGPART_EXPR for creating MUST_DEFs.
14270 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14271 and NAME_MEMORY_TAG separately from the DECLs.
14273 2006-01-06 Richard Guenther <rguenther@suse.de>
14275 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14276 annotation, if necessary.
14277 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14278 redundant calls to update_stmt.
14279 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14282 2006-01-05 Richard Henderson <rth@redhat.com>
14284 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14286 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14288 * c-typeck.c: Update copyright date.
14290 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14292 * c-typeck.c (build_c_cast): Always warn when casting
14293 from a pointer to an integer of different size, even if
14294 the node was constant.
14296 2006-01-05 Richard Guenther <rguenther@suse.de>
14298 PR tree-optimization/22555
14299 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14300 if one structure field is an array.
14301 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14302 operands even if we found a subvar, but ignore VOPs in this
14304 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14306 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14308 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14310 PR middle-end/24998
14311 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14313 2006-01-05 Richard Guenther <rguenther@suse.de>
14314 Diego Novillo <dnovillo@redhat.com>
14316 * tree-pass.h (TODO_remove_unused_locals): Define.
14317 * gimple-low.c (expand_var_p, remove_useless_vars,
14318 pass_remove_useless_vars): Remove. Update all users.
14319 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14320 (remove_unused_locals): New function.
14321 * tree-flow.h (remove_unused_locals): Declare.
14322 * passes.c (execute_todo): Call remove_unused_locals if
14323 TODO_remove_unused_locals is set.
14324 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14325 * tree-ssa-dce.c (pass_dce): Likewise.
14326 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14328 2006-01-05 Richard Guenther <rguenther@suse.de>
14330 * tree-flow.h (struct fieldoff): Decompose field to
14331 type, size and decl.
14332 * tree-ssa-alias.c (create_sft): Take type as parameter.
14333 (create_overlap_variables_for): Store type, size and decl
14334 in the fieldoff structure.
14335 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14336 of struct fieldoff.
14337 (push_fields_onto_fieldstack): Likewise.
14338 (create_variable_info_for): Likewise. Use offset for the
14339 SFT name if the decl is not available.
14341 2006-01-04 Paul Brook <paul@codesourcery.com>
14343 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14345 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14347 * lambda-code.c (can_put_in_inner_loop): Relax
14349 (can_put_after_inner_loop): New function.
14350 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14351 (perfect_nestify): Change to make copies and modify uses.
14353 2006-01-04 Richard Henderson <rth@redhat.com>
14355 Merge from gomp branch:
14356 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14357 via integer constant.
14358 (pragma_lex): Remove.
14359 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14360 rather than parsing it.
14361 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14362 handle_pragma_extern_prefix): Add %< %> quotes.
14363 (registered_pragmas): New.
14364 (c_register_pragma_1): New.
14365 (c_register_pragma): Use it.
14366 (c_register_pragma_with_expansion): Likewise.
14367 (c_invoke_pragma_handler): New.
14368 (init_pragma): Use cpp_register_deferred_pragma directly for
14370 * c-pragma.h (enum pragma_kind): New.
14371 (pragma_handler): New.
14372 (c_invoke_pragma_handler): Declare.
14373 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14375 * c-common.h (c_common_pch_pragma): Update decl.
14376 * Makefile.in (c-parser.o): Update dependencies.
14377 (GTFILES): Add c-pragma.h.
14378 * c-parser.c (struct c_token): Add pragma_kind.
14379 (struct c_parser): Add in_pragma.
14380 (c_lex_one_token): Always initialize keyword and pragma_kind.
14381 Extract data for CPP_PRAGMA.
14382 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14383 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14384 Don't allow CPP_PRAGMA_EOL if in_pragma.
14385 (c_parser_consume_pragma): New.
14386 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14387 (c_parser_skip_to_end_of_parameter): Likewise.
14388 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14389 (c_parser_skip_to_pragma_eol): New.
14390 (c_parser_external_declaration): Handle CPP_PRAGMA.
14391 (c_parser_compound_statement_nostart): Likewise.
14392 (c_parser_statement_after_labels): Likewise.
14393 (c_parser_pragma): New.
14394 (pragma_lex): Likewise.
14395 (c_parser_pragma_pch_preprocess): New.
14396 (c_parser_new): Merge into ...
14397 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14399 2006-01-04 Jeff Law <law@redhat.com>
14402 * tree-cfg.c (bsi_replace): Remove the original statement
14403 from the EH throw statement table.
14405 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14407 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14408 make the prototype extern "C" and add throw ().
14411 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14412 and pos non-negative and pos + len <= 32.
14413 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14414 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14415 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14418 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14419 as well as sizes not multiple of component size.
14422 * function.c (instantiate_expr): New function.
14423 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14424 walk its DECL_VALUE_EXPR with instantiate_expr.
14426 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14427 DW_OP_deref{,_size} if address isn't going to be added.
14429 2006-01-04 Ben Elliston <bje@au.ibm.com>
14431 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14432 * config/fp-bit.c: Likewise.
14434 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14436 * dominance.c: Add comment about why we use DFS numbering
14439 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14440 Richard Henderson <rth@redhat.com>
14442 Merge from gomp-branch:
14443 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14444 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14446 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14448 PR rtl-optimization/25578
14449 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14450 pass a parameter to simplify_shift_const if changing ASHIFTRT
14453 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14455 * builtins.c (get_builtin_sync_mem): New function.
14456 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14457 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14458 Call get_builtin_sync_mem to generate mem rtx.
14460 2006-01-03 Richard Guenther <rguenther@suse.de>
14463 * stmt.c (add_case_node): Make sure to clear overflow flags
14466 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14468 Merge from gomp-branch.
14469 * config/sparc/sync.md: New file.
14470 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14471 UNSPECV_LDSTUB): New constants.
14472 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14473 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14474 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14477 2006-01-03 Roger Sayle <roger@eyesopen.com>
14479 * combine.c (reg_subword_p): New predicate to test whether the
14480 destination of a set refers to a subword/piece of a register.
14481 (try_combine): Generalize the code to merge the setting of a
14482 pseudo to a constant followed by a set of a subword of that
14483 register to a constant.
14485 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14487 * basic-block.h (control_flow_graph): Change the type of
14488 x_label_to_block_map to VEC(basic_block,gc) *.
14489 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14490 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14492 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14493 VEC(basic_block,heap) *.
14494 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14495 ssa_prop_fini): Adjust the uses of cfg_blocks.
14497 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14499 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14501 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14502 hashing trees instead of a pointer hash.
14503 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14504 compare for MEM_EXPR.
14506 PR rtl-optimization/25130
14507 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14508 when comparing MEMs for GCSE
14510 2006-01-03 Ben Elliston <bje@au.ibm.com>
14512 * targhooks.h (default_decimal_float_supported_p): Declare.
14513 * targhooks.c (default_decimal_float_supported_p): Define.
14514 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14515 `default_decimal_float_supported_p'.
14516 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14518 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14520 * combine.c (apply_distributive_law <SUBREG>): Check
14521 TRULY_NOOP_TRUNCATION.
14523 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14525 * dwarf2out.c (have_switched_text_section): Delete.
14526 (have_multiple_function_sections): New.
14527 (have_location_lists): Make 'bool'.
14528 (add_AT_loc_list): Use 'true' not '1'.
14529 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14530 (output_loc_list): Use have_multiple_function_sections.
14531 (output_ranges): Likewise.
14532 (dwarf2out_begin_function): Set have_multiple_function_sections if
14534 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14535 Check function_section rather than DECL_SECTION_NAME.
14536 (dwarf2out_finish): Use have_multiple_function_sections.
14537 Don't clear have_location_lists.
14539 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14540 Jan Hubicka <jh@suse.cz>
14542 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14543 case of conditional jump jumping to the next instruction.
14544 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14545 cases of conditional jump jumping to the next instruction.
14547 2006-01-02 Jan Hubicka <jh@suse.cz>
14549 * i386.c (*_cost): Add COSTS_N_INSNS.
14550 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14552 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14555 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14557 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14559 * config/arm/arm.c (all_fpus): Fix comment typo.
14560 * config/darwin.c: Likewise.
14561 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14562 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14563 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14565 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14567 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14568 (rs6000_split_compare_and_swapqhi): New.
14569 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14570 (sync_compare_and_swapqhi_internal): New.
14571 * config/rs6000/rs6000-protos.h: Declare.